488ba18a13
BUG=v8:2823 R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/23514050 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
7897 lines
263 KiB
C++
7897 lines
263 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "api.h"
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#include <string.h> // For memcpy, strlen.
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#include <cmath> // For isnan.
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#include "../include/v8-debug.h"
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#include "../include/v8-profiler.h"
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#include "../include/v8-testing.h"
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#include "assert-scope.h"
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#include "bootstrapper.h"
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#include "code-stubs.h"
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#include "compiler.h"
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#include "conversions-inl.h"
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#include "counters.h"
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#include "cpu-profiler.h"
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#include "debug.h"
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#include "deoptimizer.h"
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#include "execution.h"
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#include "global-handles.h"
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#include "heap-profiler.h"
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#include "heap-snapshot-generator-inl.h"
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#include "icu_util.h"
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#include "json-parser.h"
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#include "messages.h"
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#ifdef COMPRESS_STARTUP_DATA_BZ2
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#include "natives.h"
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#endif
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#include "parser.h"
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#include "platform.h"
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#include "platform/time.h"
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#include "profile-generator-inl.h"
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#include "property-details.h"
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#include "property.h"
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#include "runtime.h"
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#include "runtime-profiler.h"
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#include "scanner-character-streams.h"
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#include "snapshot.h"
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#include "unicode-inl.h"
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#include "utils/random-number-generator.h"
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#include "v8threads.h"
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#include "version.h"
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#include "vm-state-inl.h"
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#define LOG_API(isolate, expr) LOG(isolate, ApiEntryCall(expr))
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#define ENTER_V8(isolate) \
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ASSERT((isolate)->IsInitialized()); \
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i::VMState<i::OTHER> __state__((isolate))
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namespace v8 {
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#define ON_BAILOUT(isolate, location, code) \
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if (IsDeadCheck(isolate, location) || \
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IsExecutionTerminatingCheck(isolate)) { \
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code; \
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UNREACHABLE(); \
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}
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#define EXCEPTION_PREAMBLE(isolate) \
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(isolate)->handle_scope_implementer()->IncrementCallDepth(); \
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ASSERT(!(isolate)->external_caught_exception()); \
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bool has_pending_exception = false
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#define EXCEPTION_BAILOUT_CHECK_GENERIC(isolate, value, do_callback) \
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do { \
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i::HandleScopeImplementer* handle_scope_implementer = \
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(isolate)->handle_scope_implementer(); \
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handle_scope_implementer->DecrementCallDepth(); \
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if (has_pending_exception) { \
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if (handle_scope_implementer->CallDepthIsZero() && \
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(isolate)->is_out_of_memory()) { \
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if (!(isolate)->ignore_out_of_memory()) \
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i::V8::FatalProcessOutOfMemory(NULL); \
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} \
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bool call_depth_is_zero = handle_scope_implementer->CallDepthIsZero(); \
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(isolate)->OptionalRescheduleException(call_depth_is_zero); \
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do_callback \
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return value; \
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} \
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do_callback \
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} while (false)
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#define EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, value) \
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EXCEPTION_BAILOUT_CHECK_GENERIC( \
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isolate, value, i::V8::FireCallCompletedCallback(isolate);)
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#define EXCEPTION_BAILOUT_CHECK(isolate, value) \
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EXCEPTION_BAILOUT_CHECK_GENERIC(isolate, value, ;)
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#define API_ENTRY_CHECK(isolate, msg) \
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do { \
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if (v8::Locker::IsActive()) { \
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ApiCheck(isolate->thread_manager()->IsLockedByCurrentThread(), \
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msg, \
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"Entering the V8 API without proper locking in place"); \
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} \
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} while (false)
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// --- E x c e p t i o n B e h a v i o r ---
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static void DefaultFatalErrorHandler(const char* location,
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const char* message) {
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i::Isolate* isolate = i::Isolate::Current();
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if (isolate->IsInitialized()) {
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i::VMState<i::OTHER> state(isolate);
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API_Fatal(location, message);
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} else {
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API_Fatal(location, message);
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}
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}
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static FatalErrorCallback GetFatalErrorHandler() {
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i::Isolate* isolate = i::Isolate::Current();
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if (isolate->exception_behavior() == NULL) {
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isolate->set_exception_behavior(DefaultFatalErrorHandler);
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}
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return isolate->exception_behavior();
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}
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void i::FatalProcessOutOfMemory(const char* location) {
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i::V8::FatalProcessOutOfMemory(location, false);
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}
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// When V8 cannot allocated memory FatalProcessOutOfMemory is called.
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// The default fatal error handler is called and execution is stopped.
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void i::V8::FatalProcessOutOfMemory(const char* location, bool take_snapshot) {
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i::HeapStats heap_stats;
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int start_marker;
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heap_stats.start_marker = &start_marker;
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int new_space_size;
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heap_stats.new_space_size = &new_space_size;
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int new_space_capacity;
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heap_stats.new_space_capacity = &new_space_capacity;
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intptr_t old_pointer_space_size;
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heap_stats.old_pointer_space_size = &old_pointer_space_size;
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intptr_t old_pointer_space_capacity;
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heap_stats.old_pointer_space_capacity = &old_pointer_space_capacity;
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intptr_t old_data_space_size;
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heap_stats.old_data_space_size = &old_data_space_size;
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intptr_t old_data_space_capacity;
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heap_stats.old_data_space_capacity = &old_data_space_capacity;
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intptr_t code_space_size;
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heap_stats.code_space_size = &code_space_size;
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intptr_t code_space_capacity;
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heap_stats.code_space_capacity = &code_space_capacity;
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intptr_t map_space_size;
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heap_stats.map_space_size = &map_space_size;
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intptr_t map_space_capacity;
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heap_stats.map_space_capacity = &map_space_capacity;
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intptr_t cell_space_size;
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heap_stats.cell_space_size = &cell_space_size;
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intptr_t cell_space_capacity;
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heap_stats.cell_space_capacity = &cell_space_capacity;
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intptr_t property_cell_space_size;
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heap_stats.property_cell_space_size = &property_cell_space_size;
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intptr_t property_cell_space_capacity;
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heap_stats.property_cell_space_capacity = &property_cell_space_capacity;
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intptr_t lo_space_size;
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heap_stats.lo_space_size = &lo_space_size;
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int global_handle_count;
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heap_stats.global_handle_count = &global_handle_count;
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int weak_global_handle_count;
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heap_stats.weak_global_handle_count = &weak_global_handle_count;
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int pending_global_handle_count;
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heap_stats.pending_global_handle_count = &pending_global_handle_count;
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int near_death_global_handle_count;
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heap_stats.near_death_global_handle_count = &near_death_global_handle_count;
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int free_global_handle_count;
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heap_stats.free_global_handle_count = &free_global_handle_count;
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intptr_t memory_allocator_size;
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heap_stats.memory_allocator_size = &memory_allocator_size;
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intptr_t memory_allocator_capacity;
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heap_stats.memory_allocator_capacity = &memory_allocator_capacity;
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int objects_per_type[LAST_TYPE + 1] = {0};
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heap_stats.objects_per_type = objects_per_type;
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int size_per_type[LAST_TYPE + 1] = {0};
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heap_stats.size_per_type = size_per_type;
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int os_error;
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heap_stats.os_error = &os_error;
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int end_marker;
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heap_stats.end_marker = &end_marker;
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i::Isolate* isolate = i::Isolate::Current();
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if (isolate->heap()->HasBeenSetUp()) {
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// BUG(1718): Don't use the take_snapshot since we don't support
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// HeapIterator here without doing a special GC.
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isolate->heap()->RecordStats(&heap_stats, false);
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}
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isolate->SignalFatalError();
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FatalErrorCallback callback = GetFatalErrorHandler();
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const char* message = "Allocation failed - process out of memory";
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callback(location, message);
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// If the callback returns, we stop execution.
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FATAL("API fatal error handler returned after process out of memory");
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}
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bool Utils::ReportApiFailure(const char* location, const char* message) {
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FatalErrorCallback callback = GetFatalErrorHandler();
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callback(location, message);
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i::Isolate* isolate = i::Isolate::Current();
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isolate->SignalFatalError();
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return false;
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}
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bool V8::IsDead() {
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i::Isolate* isolate = i::Isolate::Current();
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return isolate->IsDead();
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}
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static inline bool ApiCheck(bool condition,
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const char* location,
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const char* message) {
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return condition ? true : Utils::ReportApiFailure(location, message);
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}
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static bool ReportV8Dead(const char* location) {
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FatalErrorCallback callback = GetFatalErrorHandler();
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callback(location, "V8 is no longer usable");
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return true;
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}
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static bool ReportEmptyHandle(const char* location) {
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FatalErrorCallback callback = GetFatalErrorHandler();
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callback(location, "Reading from empty handle");
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return true;
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}
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/**
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* IsDeadCheck checks that the vm is usable. If, for instance, the vm has been
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* out of memory at some point this check will fail. It should be called on
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* entry to all methods that touch anything in the heap, except destructors
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* which you sometimes can't avoid calling after the vm has crashed. Functions
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* that call EnsureInitialized or ON_BAILOUT don't have to also call
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* IsDeadCheck. ON_BAILOUT has the advantage over EnsureInitialized that you
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* can arrange to return if the VM is dead. This is needed to ensure that no VM
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* heap allocations are attempted on a dead VM. EnsureInitialized has the
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* advantage over ON_BAILOUT that it actually initializes the VM if this has not
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* yet been done.
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*/
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static inline bool IsDeadCheck(i::Isolate* isolate, const char* location) {
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return !isolate->IsInitialized()
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&& isolate->IsDead() ? ReportV8Dead(location) : false;
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}
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static inline bool IsExecutionTerminatingCheck(i::Isolate* isolate) {
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if (!isolate->IsInitialized()) return false;
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if (isolate->has_scheduled_exception()) {
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return isolate->scheduled_exception() ==
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isolate->heap()->termination_exception();
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}
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return false;
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}
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static inline bool EmptyCheck(const char* location, v8::Handle<v8::Data> obj) {
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return obj.IsEmpty() ? ReportEmptyHandle(location) : false;
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}
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static inline bool EmptyCheck(const char* location, const v8::Data* obj) {
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return (obj == 0) ? ReportEmptyHandle(location) : false;
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}
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// --- S t a t i c s ---
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static bool InitializeHelper(i::Isolate* isolate) {
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// If the isolate has a function entry hook, it needs to re-build all its
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// code stubs with entry hooks embedded, so let's deserialize a snapshot.
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if (isolate == NULL || isolate->function_entry_hook() == NULL) {
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if (i::Snapshot::Initialize())
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return true;
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}
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return i::V8::Initialize(NULL);
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}
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static inline bool EnsureInitializedForIsolate(i::Isolate* isolate,
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const char* location) {
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if (IsDeadCheck(isolate, location)) return false;
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if (isolate != NULL) {
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if (isolate->IsInitialized()) return true;
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}
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ASSERT(isolate == i::Isolate::Current());
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return ApiCheck(InitializeHelper(isolate), location, "Error initializing V8");
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}
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// Some initializing API functions are called early and may be
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// called on a thread different from static initializer thread.
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// If Isolate API is used, Isolate::Enter() will initialize TLS so
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// Isolate::Current() works. If it's a legacy case, then the thread
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// may not have TLS initialized yet. However, in initializing APIs it
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// may be too early to call EnsureInitialized() - some pre-init
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// parameters still have to be configured.
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static inline i::Isolate* EnterIsolateIfNeeded() {
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i::Isolate* isolate = i::Isolate::UncheckedCurrent();
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if (isolate != NULL)
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return isolate;
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i::Isolate::EnterDefaultIsolate();
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isolate = i::Isolate::Current();
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return isolate;
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}
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StartupDataDecompressor::StartupDataDecompressor()
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: raw_data(i::NewArray<char*>(V8::GetCompressedStartupDataCount())) {
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for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) {
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raw_data[i] = NULL;
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}
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}
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StartupDataDecompressor::~StartupDataDecompressor() {
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for (int i = 0; i < V8::GetCompressedStartupDataCount(); ++i) {
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i::DeleteArray(raw_data[i]);
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}
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i::DeleteArray(raw_data);
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}
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int StartupDataDecompressor::Decompress() {
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int compressed_data_count = V8::GetCompressedStartupDataCount();
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StartupData* compressed_data =
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i::NewArray<StartupData>(compressed_data_count);
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V8::GetCompressedStartupData(compressed_data);
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for (int i = 0; i < compressed_data_count; ++i) {
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char* decompressed = raw_data[i] =
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i::NewArray<char>(compressed_data[i].raw_size);
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if (compressed_data[i].compressed_size != 0) {
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int result = DecompressData(decompressed,
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&compressed_data[i].raw_size,
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compressed_data[i].data,
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compressed_data[i].compressed_size);
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if (result != 0) return result;
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} else {
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ASSERT_EQ(0, compressed_data[i].raw_size);
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}
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compressed_data[i].data = decompressed;
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}
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V8::SetDecompressedStartupData(compressed_data);
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i::DeleteArray(compressed_data);
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return 0;
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}
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StartupData::CompressionAlgorithm V8::GetCompressedStartupDataAlgorithm() {
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#ifdef COMPRESS_STARTUP_DATA_BZ2
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return StartupData::kBZip2;
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#else
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return StartupData::kUncompressed;
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#endif
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}
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enum CompressedStartupDataItems {
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kSnapshot = 0,
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kSnapshotContext,
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kLibraries,
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kExperimentalLibraries,
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#if defined(V8_I18N_SUPPORT)
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kI18NExtension,
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#endif
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kCompressedStartupDataCount
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};
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int V8::GetCompressedStartupDataCount() {
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#ifdef COMPRESS_STARTUP_DATA_BZ2
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return kCompressedStartupDataCount;
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#else
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return 0;
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#endif
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}
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void V8::GetCompressedStartupData(StartupData* compressed_data) {
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#ifdef COMPRESS_STARTUP_DATA_BZ2
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compressed_data[kSnapshot].data =
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reinterpret_cast<const char*>(i::Snapshot::data());
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compressed_data[kSnapshot].compressed_size = i::Snapshot::size();
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compressed_data[kSnapshot].raw_size = i::Snapshot::raw_size();
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compressed_data[kSnapshotContext].data =
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reinterpret_cast<const char*>(i::Snapshot::context_data());
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compressed_data[kSnapshotContext].compressed_size =
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i::Snapshot::context_size();
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compressed_data[kSnapshotContext].raw_size = i::Snapshot::context_raw_size();
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i::Vector<const i::byte> libraries_source = i::Natives::GetScriptsSource();
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compressed_data[kLibraries].data =
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reinterpret_cast<const char*>(libraries_source.start());
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compressed_data[kLibraries].compressed_size = libraries_source.length();
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compressed_data[kLibraries].raw_size = i::Natives::GetRawScriptsSize();
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i::Vector<const i::byte> exp_libraries_source =
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i::ExperimentalNatives::GetScriptsSource();
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compressed_data[kExperimentalLibraries].data =
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reinterpret_cast<const char*>(exp_libraries_source.start());
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compressed_data[kExperimentalLibraries].compressed_size =
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exp_libraries_source.length();
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compressed_data[kExperimentalLibraries].raw_size =
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i::ExperimentalNatives::GetRawScriptsSize();
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#if defined(V8_I18N_SUPPORT)
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i::Vector<const ii:byte> i18n_extension_source =
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i::I18NNatives::GetScriptsSource();
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compressed_data[kI18NExtension].data =
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reinterpret_cast<const char*>(i18n_extension_source.start());
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compressed_data[kI18NExtension].compressed_size =
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i18n_extension_source.length();
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compressed_data[kI18NExtension].raw_size =
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i::I18NNatives::GetRawScriptsSize();
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#endif
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#endif
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}
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void V8::SetDecompressedStartupData(StartupData* decompressed_data) {
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#ifdef COMPRESS_STARTUP_DATA_BZ2
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ASSERT_EQ(i::Snapshot::raw_size(), decompressed_data[kSnapshot].raw_size);
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i::Snapshot::set_raw_data(
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reinterpret_cast<const i::byte*>(decompressed_data[kSnapshot].data));
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ASSERT_EQ(i::Snapshot::context_raw_size(),
|
|
decompressed_data[kSnapshotContext].raw_size);
|
|
i::Snapshot::set_context_raw_data(
|
|
reinterpret_cast<const i::byte*>(
|
|
decompressed_data[kSnapshotContext].data));
|
|
|
|
ASSERT_EQ(i::Natives::GetRawScriptsSize(),
|
|
decompressed_data[kLibraries].raw_size);
|
|
i::Vector<const char> libraries_source(
|
|
decompressed_data[kLibraries].data,
|
|
decompressed_data[kLibraries].raw_size);
|
|
i::Natives::SetRawScriptsSource(libraries_source);
|
|
|
|
ASSERT_EQ(i::ExperimentalNatives::GetRawScriptsSize(),
|
|
decompressed_data[kExperimentalLibraries].raw_size);
|
|
i::Vector<const char> exp_libraries_source(
|
|
decompressed_data[kExperimentalLibraries].data,
|
|
decompressed_data[kExperimentalLibraries].raw_size);
|
|
i::ExperimentalNatives::SetRawScriptsSource(exp_libraries_source);
|
|
|
|
#if defined(V8_I18N_SUPPORT)
|
|
ASSERT_EQ(i::I18NNatives::GetRawScriptsSize(),
|
|
decompressed_data[kI18NExtension].raw_size);
|
|
i::Vector<const char> i18n_extension_source(
|
|
decompressed_data[kI18NExtension].data,
|
|
decompressed_data[kI18NExtension].raw_size);
|
|
i::I18NNatives::SetRawScriptsSource(i18n_extension_source);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
|
|
void V8::SetFatalErrorHandler(FatalErrorCallback that) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
isolate->set_exception_behavior(that);
|
|
}
|
|
|
|
|
|
void V8::SetAllowCodeGenerationFromStringsCallback(
|
|
AllowCodeGenerationFromStringsCallback callback) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
isolate->set_allow_code_gen_callback(callback);
|
|
}
|
|
|
|
|
|
void V8::SetFlagsFromString(const char* str, int length) {
|
|
i::FlagList::SetFlagsFromString(str, length);
|
|
}
|
|
|
|
|
|
void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {
|
|
i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);
|
|
}
|
|
|
|
|
|
v8::Handle<Value> ThrowException(v8::Handle<v8::Value> value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::ThrowException()")) {
|
|
return v8::Handle<Value>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
// If we're passed an empty handle, we throw an undefined exception
|
|
// to deal more gracefully with out of memory situations.
|
|
if (value.IsEmpty()) {
|
|
isolate->ScheduleThrow(isolate->heap()->undefined_value());
|
|
} else {
|
|
isolate->ScheduleThrow(*Utils::OpenHandle(*value));
|
|
}
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
RegisteredExtension* RegisteredExtension::first_extension_ = NULL;
|
|
|
|
|
|
RegisteredExtension::RegisteredExtension(Extension* extension)
|
|
: extension_(extension) { }
|
|
|
|
|
|
void RegisteredExtension::Register(RegisteredExtension* that) {
|
|
that->next_ = first_extension_;
|
|
first_extension_ = that;
|
|
}
|
|
|
|
|
|
void RegisteredExtension::UnregisterAll() {
|
|
RegisteredExtension* re = first_extension_;
|
|
while (re != NULL) {
|
|
RegisteredExtension* next = re->next();
|
|
delete re;
|
|
re = next;
|
|
}
|
|
}
|
|
|
|
|
|
void RegisterExtension(Extension* that) {
|
|
RegisteredExtension* extension = new RegisteredExtension(that);
|
|
RegisteredExtension::Register(extension);
|
|
}
|
|
|
|
|
|
Extension::Extension(const char* name,
|
|
const char* source,
|
|
int dep_count,
|
|
const char** deps,
|
|
int source_length)
|
|
: name_(name),
|
|
source_length_(source_length >= 0 ?
|
|
source_length :
|
|
(source ? static_cast<int>(strlen(source)) : 0)),
|
|
source_(source, source_length_),
|
|
dep_count_(dep_count),
|
|
deps_(deps),
|
|
auto_enable_(false) {
|
|
CHECK(source != NULL || source_length_ == 0);
|
|
}
|
|
|
|
|
|
v8::Handle<Primitive> Undefined() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::Undefined()")) {
|
|
return v8::Handle<v8::Primitive>();
|
|
}
|
|
return ToApiHandle<Primitive>(isolate->factory()->undefined_value());
|
|
}
|
|
|
|
|
|
v8::Handle<Primitive> Null() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::Null()")) {
|
|
return v8::Handle<v8::Primitive>();
|
|
}
|
|
return ToApiHandle<Primitive>(isolate->factory()->null_value());
|
|
}
|
|
|
|
|
|
v8::Handle<Boolean> True() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::True()")) {
|
|
return v8::Handle<Boolean>();
|
|
}
|
|
return ToApiHandle<Boolean>(isolate->factory()->true_value());
|
|
}
|
|
|
|
|
|
v8::Handle<Boolean> False() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::False()")) {
|
|
return v8::Handle<Boolean>();
|
|
}
|
|
return ToApiHandle<Boolean>(isolate->factory()->false_value());
|
|
}
|
|
|
|
|
|
ResourceConstraints::ResourceConstraints()
|
|
: max_young_space_size_(0),
|
|
max_old_space_size_(0),
|
|
max_executable_size_(0),
|
|
stack_limit_(NULL),
|
|
is_memory_constrained_() { }
|
|
|
|
|
|
bool SetResourceConstraints(ResourceConstraints* constraints) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
|
|
int young_space_size = constraints->max_young_space_size();
|
|
int old_gen_size = constraints->max_old_space_size();
|
|
int max_executable_size = constraints->max_executable_size();
|
|
if (young_space_size != 0 || old_gen_size != 0 || max_executable_size != 0) {
|
|
// After initialization it's too late to change Heap constraints.
|
|
ASSERT(!isolate->IsInitialized());
|
|
bool result = isolate->heap()->ConfigureHeap(young_space_size / 2,
|
|
old_gen_size,
|
|
max_executable_size);
|
|
if (!result) return false;
|
|
}
|
|
if (constraints->stack_limit() != NULL) {
|
|
uintptr_t limit = reinterpret_cast<uintptr_t>(constraints->stack_limit());
|
|
isolate->stack_guard()->SetStackLimit(limit);
|
|
}
|
|
if (constraints->is_memory_constrained().has_value) {
|
|
isolate->set_is_memory_constrained(
|
|
constraints->is_memory_constrained().value);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
i::Object** V8::GlobalizeReference(i::Isolate* isolate, i::Object** obj) {
|
|
if (IsDeadCheck(isolate, "V8::Persistent::New")) return NULL;
|
|
LOG_API(isolate, "Persistent::New");
|
|
i::Handle<i::Object> result = isolate->global_handles()->Create(*obj);
|
|
#ifdef DEBUG
|
|
(*obj)->Verify();
|
|
#endif // DEBUG
|
|
return result.location();
|
|
}
|
|
|
|
|
|
i::Object** V8::CopyPersistent(i::Object** obj) {
|
|
i::Handle<i::Object> result = i::GlobalHandles::CopyGlobal(obj);
|
|
#ifdef DEBUG
|
|
(*obj)->Verify();
|
|
#endif // DEBUG
|
|
return result.location();
|
|
}
|
|
|
|
|
|
void V8::MakeWeak(i::Object** object,
|
|
void* parameters,
|
|
WeakCallback weak_callback,
|
|
RevivableCallback weak_reference_callback) {
|
|
i::GlobalHandles::MakeWeak(object,
|
|
parameters,
|
|
weak_callback,
|
|
weak_reference_callback);
|
|
}
|
|
|
|
|
|
void V8::ClearWeak(i::Object** obj) {
|
|
i::GlobalHandles::ClearWeakness(obj);
|
|
}
|
|
|
|
|
|
void V8::DisposeGlobal(i::Object** obj) {
|
|
i::GlobalHandles::Destroy(obj);
|
|
}
|
|
|
|
|
|
void V8::Eternalize(Isolate* v8_isolate, Value* value, int* index) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
|
|
i::Object* object = *Utils::OpenHandle(value);
|
|
isolate->eternal_handles()->Create(isolate, object, index);
|
|
}
|
|
|
|
|
|
Local<Value> V8::GetEternal(Isolate* v8_isolate, int index) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
|
|
return Utils::ToLocal(isolate->eternal_handles()->Get(index));
|
|
}
|
|
|
|
|
|
// --- H a n d l e s ---
|
|
|
|
|
|
HandleScope::HandleScope(Isolate* isolate) {
|
|
Initialize(isolate);
|
|
}
|
|
|
|
|
|
void HandleScope::Initialize(Isolate* isolate) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
API_ENTRY_CHECK(internal_isolate, "HandleScope::HandleScope");
|
|
v8::ImplementationUtilities::HandleScopeData* current =
|
|
internal_isolate->handle_scope_data();
|
|
isolate_ = internal_isolate;
|
|
prev_next_ = current->next;
|
|
prev_limit_ = current->limit;
|
|
is_closed_ = false;
|
|
current->level++;
|
|
}
|
|
|
|
|
|
HandleScope::~HandleScope() {
|
|
if (!is_closed_) {
|
|
Leave();
|
|
}
|
|
}
|
|
|
|
|
|
void HandleScope::Leave() {
|
|
return i::HandleScope::CloseScope(isolate_, prev_next_, prev_limit_);
|
|
}
|
|
|
|
|
|
int HandleScope::NumberOfHandles() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "HandleScope::NumberOfHandles")) {
|
|
return 0;
|
|
}
|
|
return i::HandleScope::NumberOfHandles(isolate);
|
|
}
|
|
|
|
|
|
i::Object** HandleScope::CreateHandle(i::Object* value) {
|
|
return i::HandleScope::CreateHandle(i::Isolate::Current(), value);
|
|
}
|
|
|
|
|
|
i::Object** HandleScope::CreateHandle(i::Isolate* isolate, i::Object* value) {
|
|
ASSERT(isolate == i::Isolate::Current());
|
|
return i::HandleScope::CreateHandle(isolate, value);
|
|
}
|
|
|
|
|
|
i::Object** HandleScope::CreateHandle(i::HeapObject* value) {
|
|
ASSERT(value->IsHeapObject());
|
|
return reinterpret_cast<i::Object**>(
|
|
i::HandleScope::CreateHandle(value->GetIsolate(), value));
|
|
}
|
|
|
|
|
|
void Context::Enter() {
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = env->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Context::Enter()")) return;
|
|
ENTER_V8(isolate);
|
|
|
|
isolate->handle_scope_implementer()->EnterContext(env);
|
|
|
|
isolate->handle_scope_implementer()->SaveContext(isolate->context());
|
|
isolate->set_context(*env);
|
|
}
|
|
|
|
|
|
void Context::Exit() {
|
|
// Exit is essentially a static function and doesn't use the
|
|
// receiver, so we have to get the current isolate from the thread
|
|
// local.
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!isolate->IsInitialized()) return;
|
|
|
|
if (!ApiCheck(isolate->handle_scope_implementer()->LeaveLastContext(),
|
|
"v8::Context::Exit()",
|
|
"Cannot exit non-entered context")) {
|
|
return;
|
|
}
|
|
|
|
// Content of 'last_context' could be NULL.
|
|
i::Context* last_context =
|
|
isolate->handle_scope_implementer()->RestoreContext();
|
|
isolate->set_context(last_context);
|
|
}
|
|
|
|
|
|
static void* DecodeSmiToAligned(i::Object* value, const char* location) {
|
|
ApiCheck(value->IsSmi(), location, "Not a Smi");
|
|
return reinterpret_cast<void*>(value);
|
|
}
|
|
|
|
|
|
static i::Smi* EncodeAlignedAsSmi(void* value, const char* location) {
|
|
i::Smi* smi = reinterpret_cast<i::Smi*>(value);
|
|
ApiCheck(smi->IsSmi(), location, "Pointer is not aligned");
|
|
return smi;
|
|
}
|
|
|
|
|
|
static i::Handle<i::FixedArray> EmbedderDataFor(Context* context,
|
|
int index,
|
|
bool can_grow,
|
|
const char* location) {
|
|
i::Handle<i::Context> env = Utils::OpenHandle(context);
|
|
bool ok = !IsDeadCheck(env->GetIsolate(), location) &&
|
|
ApiCheck(env->IsNativeContext(), location, "Not a native context") &&
|
|
ApiCheck(index >= 0, location, "Negative index");
|
|
if (!ok) return i::Handle<i::FixedArray>();
|
|
i::Handle<i::FixedArray> data(env->embedder_data());
|
|
if (index < data->length()) return data;
|
|
if (!can_grow) {
|
|
Utils::ReportApiFailure(location, "Index too large");
|
|
return i::Handle<i::FixedArray>();
|
|
}
|
|
int new_size = i::Max(index, data->length() << 1) + 1;
|
|
data = env->GetIsolate()->factory()->CopySizeFixedArray(data, new_size);
|
|
env->set_embedder_data(*data);
|
|
return data;
|
|
}
|
|
|
|
|
|
v8::Local<v8::Value> Context::SlowGetEmbedderData(int index) {
|
|
const char* location = "v8::Context::GetEmbedderData()";
|
|
i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location);
|
|
if (data.is_null()) return Local<Value>();
|
|
i::Handle<i::Object> result(data->get(index), data->GetIsolate());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
void Context::SetEmbedderData(int index, v8::Handle<Value> value) {
|
|
const char* location = "v8::Context::SetEmbedderData()";
|
|
i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location);
|
|
if (data.is_null()) return;
|
|
i::Handle<i::Object> val = Utils::OpenHandle(*value);
|
|
data->set(index, *val);
|
|
ASSERT_EQ(*Utils::OpenHandle(*value),
|
|
*Utils::OpenHandle(*GetEmbedderData(index)));
|
|
}
|
|
|
|
|
|
void* Context::SlowGetAlignedPointerFromEmbedderData(int index) {
|
|
const char* location = "v8::Context::GetAlignedPointerFromEmbedderData()";
|
|
i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, false, location);
|
|
if (data.is_null()) return NULL;
|
|
return DecodeSmiToAligned(data->get(index), location);
|
|
}
|
|
|
|
|
|
void Context::SetAlignedPointerInEmbedderData(int index, void* value) {
|
|
const char* location = "v8::Context::SetAlignedPointerInEmbedderData()";
|
|
i::Handle<i::FixedArray> data = EmbedderDataFor(this, index, true, location);
|
|
data->set(index, EncodeAlignedAsSmi(value, location));
|
|
ASSERT_EQ(value, GetAlignedPointerFromEmbedderData(index));
|
|
}
|
|
|
|
|
|
i::Object** v8::HandleScope::RawClose(i::Object** value) {
|
|
if (!ApiCheck(!is_closed_,
|
|
"v8::HandleScope::Close()",
|
|
"Local scope has already been closed")) {
|
|
return 0;
|
|
}
|
|
LOG_API(isolate_, "CloseHandleScope");
|
|
|
|
// Read the result before popping the handle block.
|
|
i::Object* result = NULL;
|
|
if (value != NULL) {
|
|
result = *value;
|
|
}
|
|
is_closed_ = true;
|
|
Leave();
|
|
|
|
if (value == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
// Allocate a new handle on the previous handle block.
|
|
i::Handle<i::Object> handle(result, isolate_);
|
|
return handle.location();
|
|
}
|
|
|
|
|
|
// --- N e a n d e r ---
|
|
|
|
|
|
// A constructor cannot easily return an error value, therefore it is necessary
|
|
// to check for a dead VM with ON_BAILOUT before constructing any Neander
|
|
// objects. To remind you about this there is no HandleScope in the
|
|
// NeanderObject constructor. When you add one to the site calling the
|
|
// constructor you should check that you ensured the VM was not dead first.
|
|
NeanderObject::NeanderObject(int size) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Nowhere");
|
|
ENTER_V8(isolate);
|
|
value_ = isolate->factory()->NewNeanderObject();
|
|
i::Handle<i::FixedArray> elements = isolate->factory()->NewFixedArray(size);
|
|
value_->set_elements(*elements);
|
|
}
|
|
|
|
|
|
int NeanderObject::size() {
|
|
return i::FixedArray::cast(value_->elements())->length();
|
|
}
|
|
|
|
|
|
NeanderArray::NeanderArray() : obj_(2) {
|
|
obj_.set(0, i::Smi::FromInt(0));
|
|
}
|
|
|
|
|
|
int NeanderArray::length() {
|
|
return i::Smi::cast(obj_.get(0))->value();
|
|
}
|
|
|
|
|
|
i::Object* NeanderArray::get(int offset) {
|
|
ASSERT(0 <= offset);
|
|
ASSERT(offset < length());
|
|
return obj_.get(offset + 1);
|
|
}
|
|
|
|
|
|
// This method cannot easily return an error value, therefore it is necessary
|
|
// to check for a dead VM with ON_BAILOUT before calling it. To remind you
|
|
// about this there is no HandleScope in this method. When you add one to the
|
|
// site calling this method you should check that you ensured the VM was not
|
|
// dead first.
|
|
void NeanderArray::add(i::Handle<i::Object> value) {
|
|
int length = this->length();
|
|
int size = obj_.size();
|
|
if (length == size - 1) {
|
|
i::Factory* factory = i::Isolate::Current()->factory();
|
|
i::Handle<i::FixedArray> new_elms = factory->NewFixedArray(2 * size);
|
|
for (int i = 0; i < length; i++)
|
|
new_elms->set(i + 1, get(i));
|
|
obj_.value()->set_elements(*new_elms);
|
|
}
|
|
obj_.set(length + 1, *value);
|
|
obj_.set(0, i::Smi::FromInt(length + 1));
|
|
}
|
|
|
|
|
|
void NeanderArray::set(int index, i::Object* value) {
|
|
if (index < 0 || index >= this->length()) return;
|
|
obj_.set(index + 1, value);
|
|
}
|
|
|
|
|
|
// --- T e m p l a t e ---
|
|
|
|
|
|
static void InitializeTemplate(i::Handle<i::TemplateInfo> that, int type) {
|
|
that->set_tag(i::Smi::FromInt(type));
|
|
}
|
|
|
|
|
|
static void TemplateSet(i::Isolate* isolate,
|
|
v8::Template* templ,
|
|
int length,
|
|
v8::Handle<v8::Data>* data) {
|
|
i::Handle<i::Object> list(Utils::OpenHandle(templ)->property_list(), isolate);
|
|
if (list->IsUndefined()) {
|
|
list = NeanderArray().value();
|
|
Utils::OpenHandle(templ)->set_property_list(*list);
|
|
}
|
|
NeanderArray array(list);
|
|
array.add(Utils::OpenHandle(*v8::Integer::New(length)));
|
|
for (int i = 0; i < length; i++) {
|
|
i::Handle<i::Object> value = data[i].IsEmpty() ?
|
|
i::Handle<i::Object>(isolate->factory()->undefined_value()) :
|
|
Utils::OpenHandle(*data[i]);
|
|
array.add(value);
|
|
}
|
|
}
|
|
|
|
|
|
void Template::Set(v8::Handle<String> name,
|
|
v8::Handle<Data> value,
|
|
v8::PropertyAttribute attribute) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Template::Set()")) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
const int kSize = 3;
|
|
v8::Handle<v8::Data> data[kSize] = {
|
|
name,
|
|
value,
|
|
v8::Integer::New(attribute)};
|
|
TemplateSet(isolate, this, kSize, data);
|
|
}
|
|
|
|
|
|
void Template::SetAccessorProperty(
|
|
v8::Local<v8::String> name,
|
|
v8::Local<FunctionTemplate> getter,
|
|
v8::Local<FunctionTemplate> setter,
|
|
v8::PropertyAttribute attribute,
|
|
v8::AccessControl access_control) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Template::SetAccessor()")) return;
|
|
ENTER_V8(isolate);
|
|
ASSERT(!name.IsEmpty());
|
|
ASSERT(!getter.IsEmpty() || !setter.IsEmpty());
|
|
i::HandleScope scope(isolate);
|
|
const int kSize = 5;
|
|
v8::Handle<v8::Data> data[kSize] = {
|
|
name,
|
|
getter,
|
|
setter,
|
|
v8::Integer::New(attribute),
|
|
v8::Integer::New(access_control)};
|
|
TemplateSet(isolate, this, kSize, data);
|
|
}
|
|
|
|
|
|
// --- F u n c t i o n T e m p l a t e ---
|
|
static void InitializeFunctionTemplate(
|
|
i::Handle<i::FunctionTemplateInfo> info) {
|
|
info->set_tag(i::Smi::FromInt(Consts::FUNCTION_TEMPLATE));
|
|
info->set_flag(0);
|
|
}
|
|
|
|
|
|
Local<ObjectTemplate> FunctionTemplate::PrototypeTemplate() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::PrototypeTemplate()")) {
|
|
return Local<ObjectTemplate>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> result(Utils::OpenHandle(this)->prototype_template(),
|
|
isolate);
|
|
if (result->IsUndefined()) {
|
|
result = Utils::OpenHandle(*ObjectTemplate::New());
|
|
Utils::OpenHandle(this)->set_prototype_template(*result);
|
|
}
|
|
return ToApiHandle<ObjectTemplate>(result);
|
|
}
|
|
|
|
|
|
void FunctionTemplate::Inherit(v8::Handle<FunctionTemplate> value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::Inherit()")) return;
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_parent_template(*Utils::OpenHandle(*value));
|
|
}
|
|
|
|
|
|
static Local<FunctionTemplate> FunctionTemplateNew(
|
|
i::Isolate* isolate,
|
|
FunctionCallback callback,
|
|
v8::Handle<Value> data,
|
|
v8::Handle<Signature> signature,
|
|
int length,
|
|
bool do_not_cache) {
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::FUNCTION_TEMPLATE_INFO_TYPE);
|
|
i::Handle<i::FunctionTemplateInfo> obj =
|
|
i::Handle<i::FunctionTemplateInfo>::cast(struct_obj);
|
|
InitializeFunctionTemplate(obj);
|
|
obj->set_do_not_cache(do_not_cache);
|
|
int next_serial_number = 0;
|
|
if (!do_not_cache) {
|
|
next_serial_number = isolate->next_serial_number() + 1;
|
|
isolate->set_next_serial_number(next_serial_number);
|
|
}
|
|
obj->set_serial_number(i::Smi::FromInt(next_serial_number));
|
|
if (callback != 0) {
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
Utils::ToLocal(obj)->SetCallHandler(callback, data);
|
|
}
|
|
obj->set_length(length);
|
|
obj->set_undetectable(false);
|
|
obj->set_needs_access_check(false);
|
|
if (!signature.IsEmpty())
|
|
obj->set_signature(*Utils::OpenHandle(*signature));
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
Local<FunctionTemplate> FunctionTemplate::New(
|
|
FunctionCallback callback,
|
|
v8::Handle<Value> data,
|
|
v8::Handle<Signature> signature,
|
|
int length) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::FunctionTemplate::New()");
|
|
LOG_API(isolate, "FunctionTemplate::New");
|
|
ENTER_V8(isolate);
|
|
return FunctionTemplateNew(
|
|
isolate, callback, data, signature, length, false);
|
|
}
|
|
|
|
|
|
Local<Signature> Signature::New(Handle<FunctionTemplate> receiver,
|
|
int argc, Handle<FunctionTemplate> argv[]) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Signature::New()");
|
|
LOG_API(isolate, "Signature::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::SIGNATURE_INFO_TYPE);
|
|
i::Handle<i::SignatureInfo> obj =
|
|
i::Handle<i::SignatureInfo>::cast(struct_obj);
|
|
if (!receiver.IsEmpty()) obj->set_receiver(*Utils::OpenHandle(*receiver));
|
|
if (argc > 0) {
|
|
i::Handle<i::FixedArray> args = isolate->factory()->NewFixedArray(argc);
|
|
for (int i = 0; i < argc; i++) {
|
|
if (!argv[i].IsEmpty())
|
|
args->set(i, *Utils::OpenHandle(*argv[i]));
|
|
}
|
|
obj->set_args(*args);
|
|
}
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<AccessorSignature> AccessorSignature::New(
|
|
Handle<FunctionTemplate> receiver) {
|
|
return Utils::AccessorSignatureToLocal(Utils::OpenHandle(*receiver));
|
|
}
|
|
|
|
|
|
template<typename Operation>
|
|
static Local<Operation> NewDescriptor(
|
|
Isolate* isolate,
|
|
const i::DeclaredAccessorDescriptorData& data,
|
|
Data* previous_descriptor) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
i::Handle<i::DeclaredAccessorDescriptor> previous =
|
|
i::Handle<i::DeclaredAccessorDescriptor>();
|
|
if (previous_descriptor != NULL) {
|
|
previous = Utils::OpenHandle(
|
|
static_cast<DeclaredAccessorDescriptor*>(previous_descriptor));
|
|
}
|
|
i::Handle<i::DeclaredAccessorDescriptor> descriptor =
|
|
i::DeclaredAccessorDescriptor::Create(internal_isolate, data, previous);
|
|
return Utils::Convert<i::DeclaredAccessorDescriptor, Operation>(descriptor);
|
|
}
|
|
|
|
|
|
Local<RawOperationDescriptor>
|
|
ObjectOperationDescriptor::NewInternalFieldDereference(
|
|
Isolate* isolate,
|
|
int internal_field) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorObjectDereference;
|
|
data.object_dereference_descriptor.internal_field = internal_field;
|
|
return NewDescriptor<RawOperationDescriptor>(isolate, data, NULL);
|
|
}
|
|
|
|
|
|
Local<RawOperationDescriptor> RawOperationDescriptor::NewRawShift(
|
|
Isolate* isolate,
|
|
int16_t byte_offset) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorPointerShift;
|
|
data.pointer_shift_descriptor.byte_offset = byte_offset;
|
|
return NewDescriptor<RawOperationDescriptor>(isolate, data, this);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewHandleDereference(
|
|
Isolate* isolate) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorReturnObject;
|
|
return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this);
|
|
}
|
|
|
|
|
|
Local<RawOperationDescriptor> RawOperationDescriptor::NewRawDereference(
|
|
Isolate* isolate) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorPointerDereference;
|
|
return NewDescriptor<RawOperationDescriptor>(isolate, data, this);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewPointerCompare(
|
|
Isolate* isolate,
|
|
void* compare_value) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorPointerCompare;
|
|
data.pointer_compare_descriptor.compare_value = compare_value;
|
|
return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewPrimitiveValue(
|
|
Isolate* isolate,
|
|
DeclaredAccessorDescriptorDataType data_type,
|
|
uint8_t bool_offset) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorPrimitiveValue;
|
|
data.primitive_value_descriptor.data_type = data_type;
|
|
data.primitive_value_descriptor.bool_offset = bool_offset;
|
|
return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, this);
|
|
}
|
|
|
|
|
|
template<typename T>
|
|
static Local<DeclaredAccessorDescriptor> NewBitmaskCompare(
|
|
Isolate* isolate,
|
|
T bitmask,
|
|
T compare_value,
|
|
RawOperationDescriptor* operation) {
|
|
i::DeclaredAccessorDescriptorData data;
|
|
data.type = i::kDescriptorBitmaskCompare;
|
|
data.bitmask_compare_descriptor.bitmask = bitmask;
|
|
data.bitmask_compare_descriptor.compare_value = compare_value;
|
|
data.bitmask_compare_descriptor.size = sizeof(T);
|
|
return NewDescriptor<DeclaredAccessorDescriptor>(isolate, data, operation);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare8(
|
|
Isolate* isolate,
|
|
uint8_t bitmask,
|
|
uint8_t compare_value) {
|
|
return NewBitmaskCompare(isolate, bitmask, compare_value, this);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare16(
|
|
Isolate* isolate,
|
|
uint16_t bitmask,
|
|
uint16_t compare_value) {
|
|
return NewBitmaskCompare(isolate, bitmask, compare_value, this);
|
|
}
|
|
|
|
|
|
Local<DeclaredAccessorDescriptor> RawOperationDescriptor::NewBitmaskCompare32(
|
|
Isolate* isolate,
|
|
uint32_t bitmask,
|
|
uint32_t compare_value) {
|
|
return NewBitmaskCompare(isolate, bitmask, compare_value, this);
|
|
}
|
|
|
|
|
|
Local<TypeSwitch> TypeSwitch::New(Handle<FunctionTemplate> type) {
|
|
Handle<FunctionTemplate> types[1] = { type };
|
|
return TypeSwitch::New(1, types);
|
|
}
|
|
|
|
|
|
Local<TypeSwitch> TypeSwitch::New(int argc, Handle<FunctionTemplate> types[]) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::TypeSwitch::New()");
|
|
LOG_API(isolate, "TypeSwitch::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::FixedArray> vector = isolate->factory()->NewFixedArray(argc);
|
|
for (int i = 0; i < argc; i++)
|
|
vector->set(i, *Utils::OpenHandle(*types[i]));
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::TYPE_SWITCH_INFO_TYPE);
|
|
i::Handle<i::TypeSwitchInfo> obj =
|
|
i::Handle<i::TypeSwitchInfo>::cast(struct_obj);
|
|
obj->set_types(*vector);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
int TypeSwitch::match(v8::Handle<Value> value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "TypeSwitch::match");
|
|
USE(isolate);
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(*value);
|
|
i::Handle<i::TypeSwitchInfo> info = Utils::OpenHandle(this);
|
|
i::FixedArray* types = i::FixedArray::cast(info->types());
|
|
for (int i = 0; i < types->length(); i++) {
|
|
if (obj->IsInstanceOf(i::FunctionTemplateInfo::cast(types->get(i))))
|
|
return i + 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define SET_FIELD_WRAPPED(obj, setter, cdata) do { \
|
|
i::Handle<i::Object> foreign = FromCData(obj->GetIsolate(), cdata); \
|
|
(obj)->setter(*foreign); \
|
|
} while (false)
|
|
|
|
|
|
void FunctionTemplate::SetCallHandler(FunctionCallback callback,
|
|
v8::Handle<Value> data) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetCallHandler()")) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE);
|
|
i::Handle<i::CallHandlerInfo> obj =
|
|
i::Handle<i::CallHandlerInfo>::cast(struct_obj);
|
|
SET_FIELD_WRAPPED(obj, set_callback, callback);
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
obj->set_data(*Utils::OpenHandle(*data));
|
|
Utils::OpenHandle(this)->set_call_code(*obj);
|
|
}
|
|
|
|
|
|
static i::Handle<i::AccessorInfo> SetAccessorInfoProperties(
|
|
i::Handle<i::AccessorInfo> obj,
|
|
v8::Handle<String> name,
|
|
v8::AccessControl settings,
|
|
v8::PropertyAttribute attributes,
|
|
v8::Handle<AccessorSignature> signature) {
|
|
obj->set_name(*Utils::OpenHandle(*name));
|
|
if (settings & ALL_CAN_READ) obj->set_all_can_read(true);
|
|
if (settings & ALL_CAN_WRITE) obj->set_all_can_write(true);
|
|
if (settings & PROHIBITS_OVERWRITING) obj->set_prohibits_overwriting(true);
|
|
obj->set_property_attributes(static_cast<PropertyAttributes>(attributes));
|
|
if (!signature.IsEmpty()) {
|
|
obj->set_expected_receiver_type(*Utils::OpenHandle(*signature));
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
|
|
template<typename Getter, typename Setter>
|
|
static i::Handle<i::AccessorInfo> MakeAccessorInfo(
|
|
v8::Handle<String> name,
|
|
Getter getter,
|
|
Setter setter,
|
|
v8::Handle<Value> data,
|
|
v8::AccessControl settings,
|
|
v8::PropertyAttribute attributes,
|
|
v8::Handle<AccessorSignature> signature) {
|
|
i::Isolate* isolate = Utils::OpenHandle(*name)->GetIsolate();
|
|
i::Handle<i::ExecutableAccessorInfo> obj =
|
|
isolate->factory()->NewExecutableAccessorInfo();
|
|
SET_FIELD_WRAPPED(obj, set_getter, getter);
|
|
SET_FIELD_WRAPPED(obj, set_setter, setter);
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
obj->set_data(*Utils::OpenHandle(*data));
|
|
return SetAccessorInfoProperties(obj, name, settings, attributes, signature);
|
|
}
|
|
|
|
|
|
static i::Handle<i::AccessorInfo> MakeAccessorInfo(
|
|
v8::Handle<String> name,
|
|
v8::Handle<v8::DeclaredAccessorDescriptor> descriptor,
|
|
void* setter_ignored,
|
|
void* data_ignored,
|
|
v8::AccessControl settings,
|
|
v8::PropertyAttribute attributes,
|
|
v8::Handle<AccessorSignature> signature) {
|
|
i::Isolate* isolate = Utils::OpenHandle(*name)->GetIsolate();
|
|
if (descriptor.IsEmpty()) return i::Handle<i::DeclaredAccessorInfo>();
|
|
i::Handle<i::DeclaredAccessorInfo> obj =
|
|
isolate->factory()->NewDeclaredAccessorInfo();
|
|
obj->set_descriptor(*Utils::OpenHandle(*descriptor));
|
|
return SetAccessorInfoProperties(obj, name, settings, attributes, signature);
|
|
}
|
|
|
|
|
|
Local<ObjectTemplate> FunctionTemplate::InstanceTemplate() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::InstanceTemplate()")
|
|
|| EmptyCheck("v8::FunctionTemplate::InstanceTemplate()", this))
|
|
return Local<ObjectTemplate>();
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::FunctionTemplateInfo> handle = Utils::OpenHandle(this);
|
|
if (handle->instance_template()->IsUndefined()) {
|
|
Local<ObjectTemplate> templ =
|
|
ObjectTemplate::New(ToApiHandle<FunctionTemplate>(handle));
|
|
handle->set_instance_template(*Utils::OpenHandle(*templ));
|
|
}
|
|
i::Handle<i::ObjectTemplateInfo> result(
|
|
i::ObjectTemplateInfo::cast(handle->instance_template()));
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
void FunctionTemplate::SetLength(int length) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetLength()")) return;
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_length(length);
|
|
}
|
|
|
|
|
|
void FunctionTemplate::SetClassName(Handle<String> name) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetClassName()")) return;
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_class_name(*Utils::OpenHandle(*name));
|
|
}
|
|
|
|
|
|
void FunctionTemplate::SetHiddenPrototype(bool value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::SetHiddenPrototype()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_hidden_prototype(value);
|
|
}
|
|
|
|
|
|
void FunctionTemplate::ReadOnlyPrototype() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::ReadOnlyPrototype()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_read_only_prototype(true);
|
|
}
|
|
|
|
|
|
void FunctionTemplate::RemovePrototype() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::FunctionTemplate::RemovePrototype()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
Utils::OpenHandle(this)->set_remove_prototype(true);
|
|
}
|
|
|
|
|
|
// --- O b j e c t T e m p l a t e ---
|
|
|
|
|
|
Local<ObjectTemplate> ObjectTemplate::New() {
|
|
return New(Local<FunctionTemplate>());
|
|
}
|
|
|
|
|
|
Local<ObjectTemplate> ObjectTemplate::New(
|
|
v8::Handle<FunctionTemplate> constructor) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::New()")) {
|
|
return Local<ObjectTemplate>();
|
|
}
|
|
EnsureInitializedForIsolate(isolate, "v8::ObjectTemplate::New()");
|
|
LOG_API(isolate, "ObjectTemplate::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::OBJECT_TEMPLATE_INFO_TYPE);
|
|
i::Handle<i::ObjectTemplateInfo> obj =
|
|
i::Handle<i::ObjectTemplateInfo>::cast(struct_obj);
|
|
InitializeTemplate(obj, Consts::OBJECT_TEMPLATE);
|
|
if (!constructor.IsEmpty())
|
|
obj->set_constructor(*Utils::OpenHandle(*constructor));
|
|
obj->set_internal_field_count(i::Smi::FromInt(0));
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
// Ensure that the object template has a constructor. If no
|
|
// constructor is available we create one.
|
|
static i::Handle<i::FunctionTemplateInfo> EnsureConstructor(
|
|
ObjectTemplate* object_template) {
|
|
i::Object* obj = Utils::OpenHandle(object_template)->constructor();
|
|
if (!obj ->IsUndefined()) {
|
|
i::FunctionTemplateInfo* info = i::FunctionTemplateInfo::cast(obj);
|
|
return i::Handle<i::FunctionTemplateInfo>(info, info->GetIsolate());
|
|
}
|
|
Local<FunctionTemplate> templ = FunctionTemplate::New();
|
|
i::Handle<i::FunctionTemplateInfo> constructor = Utils::OpenHandle(*templ);
|
|
constructor->set_instance_template(*Utils::OpenHandle(object_template));
|
|
Utils::OpenHandle(object_template)->set_constructor(*constructor);
|
|
return constructor;
|
|
}
|
|
|
|
|
|
static inline void AddPropertyToTemplate(
|
|
i::Handle<i::TemplateInfo> info,
|
|
i::Handle<i::AccessorInfo> obj) {
|
|
i::Handle<i::Object> list(info->property_accessors(), info->GetIsolate());
|
|
if (list->IsUndefined()) {
|
|
list = NeanderArray().value();
|
|
info->set_property_accessors(*list);
|
|
}
|
|
NeanderArray array(list);
|
|
array.add(obj);
|
|
}
|
|
|
|
|
|
static inline i::Handle<i::TemplateInfo> GetTemplateInfo(
|
|
Template* template_obj) {
|
|
return Utils::OpenHandle(template_obj);
|
|
}
|
|
|
|
|
|
// TODO(dcarney): remove this with ObjectTemplate::SetAccessor
|
|
static inline i::Handle<i::TemplateInfo> GetTemplateInfo(
|
|
ObjectTemplate* object_template) {
|
|
EnsureConstructor(object_template);
|
|
return Utils::OpenHandle(object_template);
|
|
}
|
|
|
|
|
|
template<typename Setter, typename Getter, typename Data, typename Template>
|
|
static bool TemplateSetAccessor(
|
|
Template* template_obj,
|
|
v8::Local<String> name,
|
|
Getter getter,
|
|
Setter setter,
|
|
Data data,
|
|
AccessControl settings,
|
|
PropertyAttribute attribute,
|
|
v8::Local<AccessorSignature> signature) {
|
|
i::Isolate* isolate = Utils::OpenHandle(template_obj)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessor()")) return false;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::AccessorInfo> obj = MakeAccessorInfo(
|
|
name, getter, setter, data, settings, attribute, signature);
|
|
if (obj.is_null()) return false;
|
|
i::Handle<i::TemplateInfo> info = GetTemplateInfo(template_obj);
|
|
AddPropertyToTemplate(info, obj);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Template::SetDeclaredAccessor(
|
|
Local<String> name,
|
|
Local<DeclaredAccessorDescriptor> descriptor,
|
|
PropertyAttribute attribute,
|
|
Local<AccessorSignature> signature,
|
|
AccessControl settings) {
|
|
void* null = NULL;
|
|
return TemplateSetAccessor(
|
|
this, name, descriptor, null, null, settings, attribute, signature);
|
|
}
|
|
|
|
|
|
void Template::SetNativeDataProperty(v8::Local<String> name,
|
|
AccessorGetterCallback getter,
|
|
AccessorSetterCallback setter,
|
|
v8::Handle<Value> data,
|
|
PropertyAttribute attribute,
|
|
v8::Local<AccessorSignature> signature,
|
|
AccessControl settings) {
|
|
TemplateSetAccessor(
|
|
this, name, getter, setter, data, settings, attribute, signature);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetAccessor(v8::Handle<String> name,
|
|
AccessorGetterCallback getter,
|
|
AccessorSetterCallback setter,
|
|
v8::Handle<Value> data,
|
|
AccessControl settings,
|
|
PropertyAttribute attribute,
|
|
v8::Handle<AccessorSignature> signature) {
|
|
TemplateSetAccessor(
|
|
this, name, getter, setter, data, settings, attribute, signature);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetNamedPropertyHandler(
|
|
NamedPropertyGetterCallback getter,
|
|
NamedPropertySetterCallback setter,
|
|
NamedPropertyQueryCallback query,
|
|
NamedPropertyDeleterCallback remover,
|
|
NamedPropertyEnumeratorCallback enumerator,
|
|
Handle<Value> data) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetNamedPropertyHandler()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
EnsureConstructor(this);
|
|
i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast(
|
|
Utils::OpenHandle(this)->constructor());
|
|
i::Handle<i::FunctionTemplateInfo> cons(constructor);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE);
|
|
i::Handle<i::InterceptorInfo> obj =
|
|
i::Handle<i::InterceptorInfo>::cast(struct_obj);
|
|
|
|
if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter);
|
|
if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter);
|
|
if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query);
|
|
if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover);
|
|
if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator);
|
|
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
obj->set_data(*Utils::OpenHandle(*data));
|
|
cons->set_named_property_handler(*obj);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::MarkAsUndetectable() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::MarkAsUndetectable()")) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
EnsureConstructor(this);
|
|
i::FunctionTemplateInfo* constructor =
|
|
i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
|
|
i::Handle<i::FunctionTemplateInfo> cons(constructor);
|
|
cons->set_undetectable(true);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetAccessCheckCallbacks(
|
|
NamedSecurityCallback named_callback,
|
|
IndexedSecurityCallback indexed_callback,
|
|
Handle<Value> data,
|
|
bool turned_on_by_default) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetAccessCheckCallbacks()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
EnsureConstructor(this);
|
|
|
|
i::Handle<i::Struct> struct_info =
|
|
isolate->factory()->NewStruct(i::ACCESS_CHECK_INFO_TYPE);
|
|
i::Handle<i::AccessCheckInfo> info =
|
|
i::Handle<i::AccessCheckInfo>::cast(struct_info);
|
|
|
|
SET_FIELD_WRAPPED(info, set_named_callback, named_callback);
|
|
SET_FIELD_WRAPPED(info, set_indexed_callback, indexed_callback);
|
|
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
info->set_data(*Utils::OpenHandle(*data));
|
|
|
|
i::FunctionTemplateInfo* constructor =
|
|
i::FunctionTemplateInfo::cast(Utils::OpenHandle(this)->constructor());
|
|
i::Handle<i::FunctionTemplateInfo> cons(constructor);
|
|
cons->set_access_check_info(*info);
|
|
cons->set_needs_access_check(turned_on_by_default);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetIndexedPropertyHandler(
|
|
IndexedPropertyGetterCallback getter,
|
|
IndexedPropertySetterCallback setter,
|
|
IndexedPropertyQueryCallback query,
|
|
IndexedPropertyDeleterCallback remover,
|
|
IndexedPropertyEnumeratorCallback enumerator,
|
|
Handle<Value> data) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetIndexedPropertyHandler()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
EnsureConstructor(this);
|
|
i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast(
|
|
Utils::OpenHandle(this)->constructor());
|
|
i::Handle<i::FunctionTemplateInfo> cons(constructor);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::INTERCEPTOR_INFO_TYPE);
|
|
i::Handle<i::InterceptorInfo> obj =
|
|
i::Handle<i::InterceptorInfo>::cast(struct_obj);
|
|
|
|
if (getter != 0) SET_FIELD_WRAPPED(obj, set_getter, getter);
|
|
if (setter != 0) SET_FIELD_WRAPPED(obj, set_setter, setter);
|
|
if (query != 0) SET_FIELD_WRAPPED(obj, set_query, query);
|
|
if (remover != 0) SET_FIELD_WRAPPED(obj, set_deleter, remover);
|
|
if (enumerator != 0) SET_FIELD_WRAPPED(obj, set_enumerator, enumerator);
|
|
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
obj->set_data(*Utils::OpenHandle(*data));
|
|
cons->set_indexed_property_handler(*obj);
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetCallAsFunctionHandler(FunctionCallback callback,
|
|
Handle<Value> data) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate,
|
|
"v8::ObjectTemplate::SetCallAsFunctionHandler()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
EnsureConstructor(this);
|
|
i::FunctionTemplateInfo* constructor = i::FunctionTemplateInfo::cast(
|
|
Utils::OpenHandle(this)->constructor());
|
|
i::Handle<i::FunctionTemplateInfo> cons(constructor);
|
|
i::Handle<i::Struct> struct_obj =
|
|
isolate->factory()->NewStruct(i::CALL_HANDLER_INFO_TYPE);
|
|
i::Handle<i::CallHandlerInfo> obj =
|
|
i::Handle<i::CallHandlerInfo>::cast(struct_obj);
|
|
SET_FIELD_WRAPPED(obj, set_callback, callback);
|
|
if (data.IsEmpty()) data = v8::Undefined();
|
|
obj->set_data(*Utils::OpenHandle(*data));
|
|
cons->set_instance_call_handler(*obj);
|
|
}
|
|
|
|
|
|
int ObjectTemplate::InternalFieldCount() {
|
|
if (IsDeadCheck(Utils::OpenHandle(this)->GetIsolate(),
|
|
"v8::ObjectTemplate::InternalFieldCount()")) {
|
|
return 0;
|
|
}
|
|
return i::Smi::cast(Utils::OpenHandle(this)->internal_field_count())->value();
|
|
}
|
|
|
|
|
|
void ObjectTemplate::SetInternalFieldCount(int value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ObjectTemplate::SetInternalFieldCount()")) {
|
|
return;
|
|
}
|
|
if (!ApiCheck(i::Smi::IsValid(value),
|
|
"v8::ObjectTemplate::SetInternalFieldCount()",
|
|
"Invalid internal field count")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
if (value > 0) {
|
|
// The internal field count is set by the constructor function's
|
|
// construct code, so we ensure that there is a constructor
|
|
// function to do the setting.
|
|
EnsureConstructor(this);
|
|
}
|
|
Utils::OpenHandle(this)->set_internal_field_count(i::Smi::FromInt(value));
|
|
}
|
|
|
|
|
|
// --- S c r i p t D a t a ---
|
|
|
|
|
|
ScriptData* ScriptData::PreCompile(const char* input, int length) {
|
|
i::Utf8ToUtf16CharacterStream stream(
|
|
reinterpret_cast<const unsigned char*>(input), length);
|
|
return i::PreParserApi::PreParse(i::Isolate::Current(), &stream);
|
|
}
|
|
|
|
|
|
ScriptData* ScriptData::PreCompile(v8::Handle<String> source) {
|
|
i::Handle<i::String> str = Utils::OpenHandle(*source);
|
|
i::Isolate* isolate = str->GetIsolate();
|
|
if (str->IsExternalTwoByteString()) {
|
|
i::ExternalTwoByteStringUtf16CharacterStream stream(
|
|
i::Handle<i::ExternalTwoByteString>::cast(str), 0, str->length());
|
|
return i::PreParserApi::PreParse(isolate, &stream);
|
|
} else {
|
|
i::GenericStringUtf16CharacterStream stream(str, 0, str->length());
|
|
return i::PreParserApi::PreParse(isolate, &stream);
|
|
}
|
|
}
|
|
|
|
|
|
ScriptData* ScriptData::New(const char* data, int length) {
|
|
// Return an empty ScriptData if the length is obviously invalid.
|
|
if (length % sizeof(unsigned) != 0) {
|
|
return new i::ScriptDataImpl();
|
|
}
|
|
|
|
// Copy the data to ensure it is properly aligned.
|
|
int deserialized_data_length = length / sizeof(unsigned);
|
|
// If aligned, don't create a copy of the data.
|
|
if (reinterpret_cast<intptr_t>(data) % sizeof(unsigned) == 0) {
|
|
return new i::ScriptDataImpl(data, length);
|
|
}
|
|
// Copy the data to align it.
|
|
unsigned* deserialized_data = i::NewArray<unsigned>(deserialized_data_length);
|
|
i::CopyBytes(reinterpret_cast<char*>(deserialized_data),
|
|
data, static_cast<size_t>(length));
|
|
|
|
return new i::ScriptDataImpl(
|
|
i::Vector<unsigned>(deserialized_data, deserialized_data_length));
|
|
}
|
|
|
|
|
|
// --- S c r i p t ---
|
|
|
|
|
|
Local<Script> Script::New(v8::Handle<String> source,
|
|
v8::ScriptOrigin* origin,
|
|
v8::ScriptData* pre_data,
|
|
v8::Handle<String> script_data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::New()", return Local<Script>());
|
|
LOG_API(isolate, "Script::New");
|
|
ENTER_V8(isolate);
|
|
i::SharedFunctionInfo* raw_result = NULL;
|
|
{ i::HandleScope scope(isolate);
|
|
i::Handle<i::String> str = Utils::OpenHandle(*source);
|
|
i::Handle<i::Object> name_obj;
|
|
int line_offset = 0;
|
|
int column_offset = 0;
|
|
bool is_shared_cross_origin = false;
|
|
if (origin != NULL) {
|
|
if (!origin->ResourceName().IsEmpty()) {
|
|
name_obj = Utils::OpenHandle(*origin->ResourceName());
|
|
}
|
|
if (!origin->ResourceLineOffset().IsEmpty()) {
|
|
line_offset = static_cast<int>(origin->ResourceLineOffset()->Value());
|
|
}
|
|
if (!origin->ResourceColumnOffset().IsEmpty()) {
|
|
column_offset =
|
|
static_cast<int>(origin->ResourceColumnOffset()->Value());
|
|
}
|
|
if (!origin->ResourceIsSharedCrossOrigin().IsEmpty()) {
|
|
is_shared_cross_origin =
|
|
origin->ResourceIsSharedCrossOrigin() == v8::True();
|
|
}
|
|
}
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::ScriptDataImpl* pre_data_impl =
|
|
static_cast<i::ScriptDataImpl*>(pre_data);
|
|
// We assert that the pre-data is sane, even though we can actually
|
|
// handle it if it turns out not to be in release mode.
|
|
ASSERT(pre_data_impl == NULL || pre_data_impl->SanityCheck());
|
|
// If the pre-data isn't sane we simply ignore it
|
|
if (pre_data_impl != NULL && !pre_data_impl->SanityCheck()) {
|
|
pre_data_impl = NULL;
|
|
}
|
|
i::Handle<i::SharedFunctionInfo> result =
|
|
i::Compiler::Compile(str,
|
|
name_obj,
|
|
line_offset,
|
|
column_offset,
|
|
is_shared_cross_origin,
|
|
isolate->global_context(),
|
|
NULL,
|
|
pre_data_impl,
|
|
Utils::OpenHandle(*script_data, true),
|
|
i::NOT_NATIVES_CODE);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Script>());
|
|
raw_result = *result;
|
|
}
|
|
i::Handle<i::SharedFunctionInfo> result(raw_result, isolate);
|
|
return ToApiHandle<Script>(result);
|
|
}
|
|
|
|
|
|
Local<Script> Script::New(v8::Handle<String> source,
|
|
v8::Handle<Value> file_name) {
|
|
ScriptOrigin origin(file_name);
|
|
return New(source, &origin);
|
|
}
|
|
|
|
|
|
Local<Script> Script::Compile(v8::Handle<String> source,
|
|
v8::ScriptOrigin* origin,
|
|
v8::ScriptData* pre_data,
|
|
v8::Handle<String> script_data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::Compile()", return Local<Script>());
|
|
LOG_API(isolate, "Script::Compile");
|
|
ENTER_V8(isolate);
|
|
Local<Script> generic = New(source, origin, pre_data, script_data);
|
|
if (generic.IsEmpty())
|
|
return generic;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(*generic);
|
|
i::Handle<i::SharedFunctionInfo> function =
|
|
i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj));
|
|
i::Handle<i::JSFunction> result =
|
|
isolate->factory()->NewFunctionFromSharedFunctionInfo(
|
|
function,
|
|
isolate->global_context());
|
|
return ToApiHandle<Script>(result);
|
|
}
|
|
|
|
|
|
Local<Script> Script::Compile(v8::Handle<String> source,
|
|
v8::Handle<Value> file_name,
|
|
v8::Handle<String> script_data) {
|
|
ScriptOrigin origin(file_name);
|
|
return Compile(source, &origin, 0, script_data);
|
|
}
|
|
|
|
|
|
Local<Value> Script::Run() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::Run()", return Local<Value>());
|
|
LOG_API(isolate, "Script::Run");
|
|
ENTER_V8(isolate);
|
|
i::Logger::TimerEventScope timer_scope(
|
|
isolate, i::Logger::TimerEventScope::v8_execute);
|
|
i::Object* raw_result = NULL;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSFunction> fun;
|
|
if (obj->IsSharedFunctionInfo()) {
|
|
i::Handle<i::SharedFunctionInfo>
|
|
function_info(i::SharedFunctionInfo::cast(*obj), isolate);
|
|
fun = isolate->factory()->NewFunctionFromSharedFunctionInfo(
|
|
function_info, isolate->global_context());
|
|
} else {
|
|
fun = i::Handle<i::JSFunction>(i::JSFunction::cast(*obj), isolate);
|
|
}
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> receiver(
|
|
isolate->context()->global_proxy(), isolate);
|
|
i::Handle<i::Object> result = i::Execution::Call(
|
|
isolate, fun, receiver, 0, NULL, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Value>());
|
|
raw_result = *result;
|
|
}
|
|
i::Handle<i::Object> result(raw_result, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
static i::Handle<i::SharedFunctionInfo> OpenScript(Script* script) {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(script);
|
|
i::Handle<i::SharedFunctionInfo> result;
|
|
if (obj->IsSharedFunctionInfo()) {
|
|
result =
|
|
i::Handle<i::SharedFunctionInfo>(i::SharedFunctionInfo::cast(*obj));
|
|
} else {
|
|
result =
|
|
i::Handle<i::SharedFunctionInfo>(i::JSFunction::cast(*obj)->shared());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
Local<Value> Script::Id() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::Id()", return Local<Value>());
|
|
LOG_API(isolate, "Script::Id");
|
|
i::Object* raw_id = NULL;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this);
|
|
i::Handle<i::Script> script(i::Script::cast(function_info->script()));
|
|
i::Handle<i::Object> id(script->id(), isolate);
|
|
raw_id = *id;
|
|
}
|
|
i::Handle<i::Object> id(raw_id, isolate);
|
|
return Utils::ToLocal(id);
|
|
}
|
|
|
|
|
|
int Script::GetId() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::Id()", return -1);
|
|
LOG_API(isolate, "Script::Id");
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this);
|
|
i::Handle<i::Script> script(i::Script::cast(function_info->script()));
|
|
return script->id()->value();
|
|
}
|
|
}
|
|
|
|
|
|
int Script::GetLineNumber(int code_pos) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::GetLineNumber()", return -1);
|
|
LOG_API(isolate, "Script::GetLineNumber");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsScript()) {
|
|
i::Handle<i::Script> script = i::Handle<i::Script>(i::Script::cast(*obj));
|
|
return i::GetScriptLineNumber(script, code_pos);
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
|
|
Handle<Value> Script::GetScriptName() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::GetName()", return Handle<String>());
|
|
LOG_API(isolate, "Script::GetName");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsScript()) {
|
|
i::Object* name = i::Script::cast(*obj)->name();
|
|
return Utils::ToLocal(i::Handle<i::Object>(name, isolate));
|
|
} else {
|
|
return Handle<String>();
|
|
}
|
|
}
|
|
|
|
|
|
void Script::SetData(v8::Handle<String> data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Script::SetData()", return);
|
|
LOG_API(isolate, "Script::SetData");
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::SharedFunctionInfo> function_info = OpenScript(this);
|
|
i::Handle<i::Object> raw_data = Utils::OpenHandle(*data);
|
|
i::Handle<i::Script> script(i::Script::cast(function_info->script()));
|
|
script->set_data(*raw_data);
|
|
}
|
|
}
|
|
|
|
|
|
// --- E x c e p t i o n s ---
|
|
|
|
|
|
v8::TryCatch::TryCatch()
|
|
: isolate_(i::Isolate::Current()),
|
|
next_(isolate_->try_catch_handler_address()),
|
|
is_verbose_(false),
|
|
can_continue_(true),
|
|
capture_message_(true),
|
|
rethrow_(false),
|
|
has_terminated_(false) {
|
|
Reset();
|
|
isolate_->RegisterTryCatchHandler(this);
|
|
}
|
|
|
|
|
|
v8::TryCatch::~TryCatch() {
|
|
ASSERT(isolate_ == i::Isolate::Current());
|
|
if (rethrow_) {
|
|
v8::HandleScope scope(reinterpret_cast<Isolate*>(isolate_));
|
|
v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception());
|
|
if (HasCaught() && capture_message_) {
|
|
// If an exception was caught and rethrow_ is indicated, the saved
|
|
// message, script, and location need to be restored to Isolate TLS
|
|
// for reuse. capture_message_ needs to be disabled so that DoThrow()
|
|
// does not create a new message.
|
|
isolate_->thread_local_top()->rethrowing_message_ = true;
|
|
isolate_->RestorePendingMessageFromTryCatch(this);
|
|
}
|
|
isolate_->UnregisterTryCatchHandler(this);
|
|
v8::ThrowException(exc);
|
|
ASSERT(!isolate_->thread_local_top()->rethrowing_message_);
|
|
} else {
|
|
isolate_->UnregisterTryCatchHandler(this);
|
|
}
|
|
}
|
|
|
|
|
|
bool v8::TryCatch::HasCaught() const {
|
|
return !reinterpret_cast<i::Object*>(exception_)->IsTheHole();
|
|
}
|
|
|
|
|
|
bool v8::TryCatch::CanContinue() const {
|
|
return can_continue_;
|
|
}
|
|
|
|
|
|
bool v8::TryCatch::HasTerminated() const {
|
|
return has_terminated_;
|
|
}
|
|
|
|
|
|
v8::Handle<v8::Value> v8::TryCatch::ReThrow() {
|
|
if (!HasCaught()) return v8::Local<v8::Value>();
|
|
rethrow_ = true;
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
v8::Local<Value> v8::TryCatch::Exception() const {
|
|
ASSERT(isolate_ == i::Isolate::Current());
|
|
if (HasCaught()) {
|
|
// Check for out of memory exception.
|
|
i::Object* exception = reinterpret_cast<i::Object*>(exception_);
|
|
return v8::Utils::ToLocal(i::Handle<i::Object>(exception, isolate_));
|
|
} else {
|
|
return v8::Local<Value>();
|
|
}
|
|
}
|
|
|
|
|
|
v8::Local<Value> v8::TryCatch::StackTrace() const {
|
|
ASSERT(isolate_ == i::Isolate::Current());
|
|
if (HasCaught()) {
|
|
i::Object* raw_obj = reinterpret_cast<i::Object*>(exception_);
|
|
if (!raw_obj->IsJSObject()) return v8::Local<Value>();
|
|
i::HandleScope scope(isolate_);
|
|
i::Handle<i::JSObject> obj(i::JSObject::cast(raw_obj), isolate_);
|
|
i::Handle<i::String> name = isolate_->factory()->stack_string();
|
|
if (!obj->HasProperty(*name)) return v8::Local<Value>();
|
|
i::Handle<i::Object> value = i::GetProperty(isolate_, obj, name);
|
|
if (value.is_null()) return v8::Local<Value>();
|
|
return v8::Utils::ToLocal(scope.CloseAndEscape(value));
|
|
} else {
|
|
return v8::Local<Value>();
|
|
}
|
|
}
|
|
|
|
|
|
v8::Local<v8::Message> v8::TryCatch::Message() const {
|
|
ASSERT(isolate_ == i::Isolate::Current());
|
|
i::Object* message = reinterpret_cast<i::Object*>(message_obj_);
|
|
ASSERT(message->IsJSMessageObject() || message->IsTheHole());
|
|
if (HasCaught() && !message->IsTheHole()) {
|
|
return v8::Utils::MessageToLocal(i::Handle<i::Object>(message, isolate_));
|
|
} else {
|
|
return v8::Local<v8::Message>();
|
|
}
|
|
}
|
|
|
|
|
|
void v8::TryCatch::Reset() {
|
|
ASSERT(isolate_ == i::Isolate::Current());
|
|
i::Object* the_hole = isolate_->heap()->the_hole_value();
|
|
exception_ = the_hole;
|
|
message_obj_ = the_hole;
|
|
message_script_ = the_hole;
|
|
message_start_pos_ = 0;
|
|
message_end_pos_ = 0;
|
|
}
|
|
|
|
|
|
void v8::TryCatch::SetVerbose(bool value) {
|
|
is_verbose_ = value;
|
|
}
|
|
|
|
|
|
void v8::TryCatch::SetCaptureMessage(bool value) {
|
|
capture_message_ = value;
|
|
}
|
|
|
|
|
|
// --- M e s s a g e ---
|
|
|
|
|
|
Local<String> Message::Get() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Message::Get()", return Local<String>());
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::String> raw_result = i::MessageHandler::GetMessage(isolate, obj);
|
|
Local<String> result = Utils::ToLocal(raw_result);
|
|
return scope.Close(result);
|
|
}
|
|
|
|
|
|
v8::Handle<Value> Message::GetScriptResourceName() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceName()")) {
|
|
return Local<String>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
// Return this.script.name.
|
|
i::Handle<i::JSValue> script =
|
|
i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script(),
|
|
isolate));
|
|
i::Handle<i::Object> resource_name(i::Script::cast(script->value())->name(),
|
|
isolate);
|
|
return scope.Close(Utils::ToLocal(resource_name));
|
|
}
|
|
|
|
|
|
v8::Handle<Value> Message::GetScriptData() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetScriptResourceData()")) {
|
|
return Local<Value>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
// Return this.script.data.
|
|
i::Handle<i::JSValue> script =
|
|
i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script(),
|
|
isolate));
|
|
i::Handle<i::Object> data(i::Script::cast(script->value())->data(), isolate);
|
|
return scope.Close(Utils::ToLocal(data));
|
|
}
|
|
|
|
|
|
v8::Handle<v8::StackTrace> Message::GetStackTrace() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetStackTrace()")) {
|
|
return Local<v8::StackTrace>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
i::Handle<i::Object> stackFramesObj(message->stack_frames(), isolate);
|
|
if (!stackFramesObj->IsJSArray()) return v8::Handle<v8::StackTrace>();
|
|
i::Handle<i::JSArray> stackTrace =
|
|
i::Handle<i::JSArray>::cast(stackFramesObj);
|
|
return scope.Close(Utils::StackTraceToLocal(stackTrace));
|
|
}
|
|
|
|
|
|
static i::Handle<i::Object> CallV8HeapFunction(const char* name,
|
|
i::Handle<i::Object> recv,
|
|
int argc,
|
|
i::Handle<i::Object> argv[],
|
|
bool* has_pending_exception) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
i::Handle<i::String> fmt_str =
|
|
isolate->factory()->InternalizeUtf8String(name);
|
|
i::Object* object_fun =
|
|
isolate->js_builtins_object()->GetPropertyNoExceptionThrown(*fmt_str);
|
|
i::Handle<i::JSFunction> fun =
|
|
i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun));
|
|
i::Handle<i::Object> value = i::Execution::Call(
|
|
isolate, fun, recv, argc, argv, has_pending_exception);
|
|
return value;
|
|
}
|
|
|
|
|
|
static i::Handle<i::Object> CallV8HeapFunction(const char* name,
|
|
i::Handle<i::Object> data,
|
|
bool* has_pending_exception) {
|
|
i::Handle<i::Object> argv[] = { data };
|
|
return CallV8HeapFunction(name,
|
|
i::Isolate::Current()->js_builtins_object(),
|
|
ARRAY_SIZE(argv),
|
|
argv,
|
|
has_pending_exception);
|
|
}
|
|
|
|
|
|
int Message::GetLineNumber() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Message::GetLineNumber()", return kNoLineNumberInfo);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result = CallV8HeapFunction("GetLineNumber",
|
|
Utils::OpenHandle(this),
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
return static_cast<int>(result->Number());
|
|
}
|
|
|
|
|
|
int Message::GetStartPosition() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetStartPosition()")) return 0;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
return message->start_position();
|
|
}
|
|
|
|
|
|
int Message::GetEndPosition() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetEndPosition()")) return 0;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
return message->end_position();
|
|
}
|
|
|
|
|
|
int Message::GetStartColumn() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetStartColumn()")) {
|
|
return kNoColumnInfo;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
|
|
"GetPositionInLine",
|
|
data_obj,
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
return static_cast<int>(start_col_obj->Number());
|
|
}
|
|
|
|
|
|
int Message::GetEndColumn() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::GetEndColumn()")) return kNoColumnInfo;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> data_obj = Utils::OpenHandle(this);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> start_col_obj = CallV8HeapFunction(
|
|
"GetPositionInLine",
|
|
data_obj,
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(data_obj);
|
|
int start = message->start_position();
|
|
int end = message->end_position();
|
|
return static_cast<int>(start_col_obj->Number()) + (end - start);
|
|
}
|
|
|
|
|
|
bool Message::IsSharedCrossOrigin() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Message::IsSharedCrossOrigin()")) return 0;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSMessageObject> message =
|
|
i::Handle<i::JSMessageObject>::cast(Utils::OpenHandle(this));
|
|
i::Handle<i::JSValue> script =
|
|
i::Handle<i::JSValue>::cast(i::Handle<i::Object>(message->script(),
|
|
isolate));
|
|
return i::Script::cast(script->value())->is_shared_cross_origin();
|
|
}
|
|
|
|
|
|
Local<String> Message::GetSourceLine() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Message::GetSourceLine()", return Local<String>());
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result = CallV8HeapFunction("GetSourceLine",
|
|
Utils::OpenHandle(this),
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::String>());
|
|
if (result->IsString()) {
|
|
return scope.Close(Utils::ToLocal(i::Handle<i::String>::cast(result)));
|
|
} else {
|
|
return Local<String>();
|
|
}
|
|
}
|
|
|
|
|
|
void Message::PrintCurrentStackTrace(FILE* out) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Message::PrintCurrentStackTrace()")) return;
|
|
ENTER_V8(isolate);
|
|
isolate->PrintCurrentStackTrace(out);
|
|
}
|
|
|
|
|
|
// --- S t a c k T r a c e ---
|
|
|
|
Local<StackFrame> StackTrace::GetFrame(uint32_t index) const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackTrace::GetFrame()")) {
|
|
return Local<StackFrame>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSArray> self = Utils::OpenHandle(this);
|
|
i::Object* raw_object = self->GetElementNoExceptionThrown(isolate, index);
|
|
i::Handle<i::JSObject> obj(i::JSObject::cast(raw_object));
|
|
return scope.Close(Utils::StackFrameToLocal(obj));
|
|
}
|
|
|
|
|
|
int StackTrace::GetFrameCount() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackTrace::GetFrameCount()")) return -1;
|
|
ENTER_V8(isolate);
|
|
return i::Smi::cast(Utils::OpenHandle(this)->length())->value();
|
|
}
|
|
|
|
|
|
Local<Array> StackTrace::AsArray() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackTrace::AsArray()")) Local<Array>();
|
|
ENTER_V8(isolate);
|
|
return Utils::ToLocal(Utils::OpenHandle(this));
|
|
}
|
|
|
|
|
|
Local<StackTrace> StackTrace::CurrentStackTrace(int frame_limit,
|
|
StackTraceOptions options) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::StackTrace::CurrentStackTrace()")) {
|
|
Local<StackTrace>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSArray> stackTrace =
|
|
isolate->CaptureCurrentStackTrace(frame_limit, options);
|
|
return Utils::StackTraceToLocal(stackTrace);
|
|
}
|
|
|
|
|
|
// --- S t a c k F r a m e ---
|
|
|
|
int StackFrame::GetLineNumber() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetLineNumber()")) {
|
|
return Message::kNoLineNumberInfo;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> line = GetProperty(self, "lineNumber");
|
|
if (!line->IsSmi()) {
|
|
return Message::kNoLineNumberInfo;
|
|
}
|
|
return i::Smi::cast(*line)->value();
|
|
}
|
|
|
|
|
|
int StackFrame::GetColumn() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetColumn()")) {
|
|
return Message::kNoColumnInfo;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> column = GetProperty(self, "column");
|
|
if (!column->IsSmi()) {
|
|
return Message::kNoColumnInfo;
|
|
}
|
|
return i::Smi::cast(*column)->value();
|
|
}
|
|
|
|
|
|
int StackFrame::GetScriptId() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptId()")) {
|
|
return Message::kNoScriptIdInfo;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> scriptId = GetProperty(self, "scriptId");
|
|
if (!scriptId->IsSmi()) {
|
|
return Message::kNoScriptIdInfo;
|
|
}
|
|
return i::Smi::cast(*scriptId)->value();
|
|
}
|
|
|
|
|
|
Local<String> StackFrame::GetScriptName() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptName()")) {
|
|
return Local<String>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> name = GetProperty(self, "scriptName");
|
|
if (!name->IsString()) {
|
|
return Local<String>();
|
|
}
|
|
return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
|
|
}
|
|
|
|
|
|
Local<String> StackFrame::GetScriptNameOrSourceURL() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetScriptNameOrSourceURL()")) {
|
|
return Local<String>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> name = GetProperty(self, "scriptNameOrSourceURL");
|
|
if (!name->IsString()) {
|
|
return Local<String>();
|
|
}
|
|
return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
|
|
}
|
|
|
|
|
|
Local<String> StackFrame::GetFunctionName() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::GetFunctionName()")) {
|
|
return Local<String>();
|
|
}
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> name = GetProperty(self, "functionName");
|
|
if (!name->IsString()) {
|
|
return Local<String>();
|
|
}
|
|
return scope.Close(Local<String>::Cast(Utils::ToLocal(name)));
|
|
}
|
|
|
|
|
|
bool StackFrame::IsEval() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::IsEval()")) return false;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> is_eval = GetProperty(self, "isEval");
|
|
return is_eval->IsTrue();
|
|
}
|
|
|
|
|
|
bool StackFrame::IsConstructor() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::StackFrame::IsConstructor()")) return false;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> is_constructor = GetProperty(self, "isConstructor");
|
|
return is_constructor->IsTrue();
|
|
}
|
|
|
|
|
|
// --- J S O N ---
|
|
|
|
Local<Value> JSON::Parse(Local<String> json_string) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::JSON::Parse");
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> source = i::Handle<i::String>(
|
|
FlattenGetString(Utils::OpenHandle(*json_string)));
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result;
|
|
if (source->IsSeqOneByteString()) {
|
|
result = i::JsonParser<true>::Parse(source);
|
|
} else {
|
|
result = i::JsonParser<false>::Parse(source);
|
|
}
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
|
|
return Utils::ToLocal(
|
|
i::Handle<i::Object>::cast(scope.CloseAndEscape(result)));
|
|
}
|
|
|
|
|
|
// --- D a t a ---
|
|
|
|
bool Value::FullIsUndefined() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsUndefined()")) {
|
|
return false;
|
|
}
|
|
bool result = Utils::OpenHandle(this)->IsUndefined();
|
|
ASSERT_EQ(result, QuickIsUndefined());
|
|
return result;
|
|
}
|
|
|
|
|
|
bool Value::FullIsNull() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsNull()")) return false;
|
|
bool result = Utils::OpenHandle(this)->IsNull();
|
|
ASSERT_EQ(result, QuickIsNull());
|
|
return result;
|
|
}
|
|
|
|
|
|
bool Value::IsTrue() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsTrue()")) return false;
|
|
return Utils::OpenHandle(this)->IsTrue();
|
|
}
|
|
|
|
|
|
bool Value::IsFalse() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsFalse()")) return false;
|
|
return Utils::OpenHandle(this)->IsFalse();
|
|
}
|
|
|
|
|
|
bool Value::IsFunction() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsFunction()")) {
|
|
return false;
|
|
}
|
|
return Utils::OpenHandle(this)->IsJSFunction();
|
|
}
|
|
|
|
|
|
bool Value::FullIsString() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsString()")) return false;
|
|
bool result = Utils::OpenHandle(this)->IsString();
|
|
ASSERT_EQ(result, QuickIsString());
|
|
return result;
|
|
}
|
|
|
|
|
|
bool Value::IsSymbol() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsSymbol()")) return false;
|
|
return Utils::OpenHandle(this)->IsSymbol();
|
|
}
|
|
|
|
|
|
bool Value::IsArray() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsArray()")) return false;
|
|
return Utils::OpenHandle(this)->IsJSArray();
|
|
}
|
|
|
|
|
|
bool Value::IsArrayBuffer() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsArrayBuffer()"))
|
|
return false;
|
|
return Utils::OpenHandle(this)->IsJSArrayBuffer();
|
|
}
|
|
|
|
|
|
bool Value::IsArrayBufferView() const {
|
|
return Utils::OpenHandle(this)->IsJSArrayBufferView();
|
|
}
|
|
|
|
|
|
bool Value::IsTypedArray() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsArrayBuffer()"))
|
|
return false;
|
|
return Utils::OpenHandle(this)->IsJSTypedArray();
|
|
}
|
|
|
|
|
|
#define TYPED_ARRAY_LIST(F) \
|
|
F(Uint8Array, kExternalUnsignedByteArray) \
|
|
F(Int8Array, kExternalByteArray) \
|
|
F(Uint16Array, kExternalUnsignedShortArray) \
|
|
F(Int16Array, kExternalShortArray) \
|
|
F(Uint32Array, kExternalUnsignedIntArray) \
|
|
F(Int32Array, kExternalIntArray) \
|
|
F(Float32Array, kExternalFloatArray) \
|
|
F(Float64Array, kExternalDoubleArray) \
|
|
F(Uint8ClampedArray, kExternalPixelArray)
|
|
|
|
|
|
#define VALUE_IS_TYPED_ARRAY(TypedArray, type_const) \
|
|
bool Value::Is##TypedArray() const { \
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::Is" #TypedArray "()")) \
|
|
return false; \
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this); \
|
|
if (!obj->IsJSTypedArray()) return false; \
|
|
return i::JSTypedArray::cast(*obj)->type() == type_const; \
|
|
}
|
|
|
|
TYPED_ARRAY_LIST(VALUE_IS_TYPED_ARRAY)
|
|
|
|
#undef VALUE_IS_TYPED_ARRAY
|
|
|
|
|
|
bool Value::IsDataView() const {
|
|
return Utils::OpenHandle(this)->IsJSDataView();
|
|
}
|
|
|
|
|
|
bool Value::IsObject() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsObject()")) return false;
|
|
return Utils::OpenHandle(this)->IsJSObject();
|
|
}
|
|
|
|
|
|
bool Value::IsNumber() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsNumber()")) return false;
|
|
return Utils::OpenHandle(this)->IsNumber();
|
|
}
|
|
|
|
|
|
bool Value::IsBoolean() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsBoolean()")) {
|
|
return false;
|
|
}
|
|
return Utils::OpenHandle(this)->IsBoolean();
|
|
}
|
|
|
|
|
|
bool Value::IsExternal() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsExternal()")) {
|
|
return false;
|
|
}
|
|
return Utils::OpenHandle(this)->IsExternal();
|
|
}
|
|
|
|
|
|
bool Value::IsInt32() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsInt32()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) return true;
|
|
if (obj->IsNumber()) {
|
|
double value = obj->Number();
|
|
static const i::DoubleRepresentation minus_zero(-0.0);
|
|
i::DoubleRepresentation rep(value);
|
|
if (rep.bits == minus_zero.bits) {
|
|
return false;
|
|
}
|
|
return i::FastI2D(i::FastD2I(value)) == value;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Value::IsUint32() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsUint32()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) return i::Smi::cast(*obj)->value() >= 0;
|
|
if (obj->IsNumber()) {
|
|
double value = obj->Number();
|
|
static const i::DoubleRepresentation minus_zero(-0.0);
|
|
i::DoubleRepresentation rep(value);
|
|
if (rep.bits == minus_zero.bits) {
|
|
return false;
|
|
}
|
|
return i::FastUI2D(i::FastD2UI(value)) == value;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Value::IsDate() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsDate()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->HasSpecificClassOf(isolate->heap()->Date_string());
|
|
}
|
|
|
|
|
|
bool Value::IsStringObject() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsStringObject()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->HasSpecificClassOf(isolate->heap()->String_string());
|
|
}
|
|
|
|
|
|
bool Value::IsSymbolObject() const {
|
|
// TODO(svenpanne): these and other test functions should be written such
|
|
// that they do not use Isolate::Current().
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsSymbolObject()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->HasSpecificClassOf(isolate->heap()->Symbol_string());
|
|
}
|
|
|
|
|
|
bool Value::IsNumberObject() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsNumberObject()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->HasSpecificClassOf(isolate->heap()->Number_string());
|
|
}
|
|
|
|
|
|
static i::Object* LookupBuiltin(i::Isolate* isolate,
|
|
const char* builtin_name) {
|
|
i::Handle<i::String> string =
|
|
isolate->factory()->InternalizeUtf8String(builtin_name);
|
|
i::Handle<i::JSBuiltinsObject> builtins = isolate->js_builtins_object();
|
|
return builtins->GetPropertyNoExceptionThrown(*string);
|
|
}
|
|
|
|
|
|
static bool CheckConstructor(i::Isolate* isolate,
|
|
i::Handle<i::JSObject> obj,
|
|
const char* class_name) {
|
|
i::Object* constr = obj->map()->constructor();
|
|
if (!constr->IsJSFunction()) return false;
|
|
i::JSFunction* func = i::JSFunction::cast(constr);
|
|
return func->shared()->native() &&
|
|
constr == LookupBuiltin(isolate, class_name);
|
|
}
|
|
|
|
|
|
bool Value::IsNativeError() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsNativeError()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsJSObject()) {
|
|
i::Handle<i::JSObject> js_obj(i::JSObject::cast(*obj));
|
|
return CheckConstructor(isolate, js_obj, "$Error") ||
|
|
CheckConstructor(isolate, js_obj, "$EvalError") ||
|
|
CheckConstructor(isolate, js_obj, "$RangeError") ||
|
|
CheckConstructor(isolate, js_obj, "$ReferenceError") ||
|
|
CheckConstructor(isolate, js_obj, "$SyntaxError") ||
|
|
CheckConstructor(isolate, js_obj, "$TypeError") ||
|
|
CheckConstructor(isolate, js_obj, "$URIError");
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Value::IsBooleanObject() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IsBooleanObject()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->HasSpecificClassOf(isolate->heap()->Boolean_string());
|
|
}
|
|
|
|
|
|
bool Value::IsRegExp() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Value::IsRegExp()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->IsJSRegExp();
|
|
}
|
|
|
|
|
|
Local<String> Value::ToString() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> str;
|
|
if (obj->IsString()) {
|
|
str = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToString()")) {
|
|
return Local<String>();
|
|
}
|
|
LOG_API(isolate, "ToString");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
str = i::Execution::ToString(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<String>());
|
|
}
|
|
return ToApiHandle<String>(str);
|
|
}
|
|
|
|
|
|
Local<String> Value::ToDetailString() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> str;
|
|
if (obj->IsString()) {
|
|
str = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToDetailString()")) {
|
|
return Local<String>();
|
|
}
|
|
LOG_API(isolate, "ToDetailString");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
str = i::Execution::ToDetailString(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<String>());
|
|
}
|
|
return ToApiHandle<String>(str);
|
|
}
|
|
|
|
|
|
Local<v8::Object> Value::ToObject() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> val;
|
|
if (obj->IsJSObject()) {
|
|
val = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToObject()")) {
|
|
return Local<v8::Object>();
|
|
}
|
|
LOG_API(isolate, "ToObject");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
val = i::Execution::ToObject(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
|
|
}
|
|
return ToApiHandle<Object>(val);
|
|
}
|
|
|
|
|
|
Local<Boolean> Value::ToBoolean() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsBoolean()) {
|
|
return ToApiHandle<Boolean>(obj);
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToBoolean()")) {
|
|
return Local<Boolean>();
|
|
}
|
|
LOG_API(isolate, "ToBoolean");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> val =
|
|
isolate->factory()->ToBoolean(obj->BooleanValue());
|
|
return ToApiHandle<Boolean>(val);
|
|
}
|
|
}
|
|
|
|
|
|
Local<Number> Value::ToNumber() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsNumber()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToNumber()")) {
|
|
return Local<Number>();
|
|
}
|
|
LOG_API(isolate, "ToNumber");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToNumber(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Number>());
|
|
}
|
|
return ToApiHandle<Number>(num);
|
|
}
|
|
|
|
|
|
Local<Integer> Value::ToInteger() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsSmi()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToInteger()")) return Local<Integer>();
|
|
LOG_API(isolate, "ToInteger");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToInteger(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Integer>());
|
|
}
|
|
return ToApiHandle<Integer>(num);
|
|
}
|
|
|
|
|
|
void i::Internals::CheckInitializedImpl(v8::Isolate* external_isolate) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate);
|
|
ApiCheck(isolate != NULL && isolate->IsInitialized() && !isolate->IsDead(),
|
|
"v8::internal::Internals::CheckInitialized()",
|
|
"Isolate is not initialized or V8 has died");
|
|
}
|
|
|
|
|
|
void External::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::External::Cast()")) return;
|
|
ApiCheck(Utils::OpenHandle(that)->IsExternal(),
|
|
"v8::External::Cast()",
|
|
"Could not convert to external");
|
|
}
|
|
|
|
|
|
void v8::Object::CheckCast(Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Object::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSObject(),
|
|
"v8::Object::Cast()",
|
|
"Could not convert to object");
|
|
}
|
|
|
|
|
|
void v8::Function::CheckCast(Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Function::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSFunction(),
|
|
"v8::Function::Cast()",
|
|
"Could not convert to function");
|
|
}
|
|
|
|
|
|
void v8::String::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::String::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsString(),
|
|
"v8::String::Cast()",
|
|
"Could not convert to string");
|
|
}
|
|
|
|
|
|
void v8::Symbol::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Symbol::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsSymbol(),
|
|
"v8::Symbol::Cast()",
|
|
"Could not convert to symbol");
|
|
}
|
|
|
|
|
|
void v8::Number::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Number::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsNumber(),
|
|
"v8::Number::Cast()",
|
|
"Could not convert to number");
|
|
}
|
|
|
|
|
|
void v8::Integer::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Integer::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsNumber(),
|
|
"v8::Integer::Cast()",
|
|
"Could not convert to number");
|
|
}
|
|
|
|
|
|
void v8::Array::CheckCast(Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Array::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSArray(),
|
|
"v8::Array::Cast()",
|
|
"Could not convert to array");
|
|
}
|
|
|
|
|
|
void v8::ArrayBuffer::CheckCast(Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::ArrayBuffer::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSArrayBuffer(),
|
|
"v8::ArrayBuffer::Cast()",
|
|
"Could not convert to ArrayBuffer");
|
|
}
|
|
|
|
|
|
void v8::ArrayBufferView::CheckCast(Value* that) {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSArrayBufferView(),
|
|
"v8::ArrayBufferView::Cast()",
|
|
"Could not convert to ArrayBufferView");
|
|
}
|
|
|
|
|
|
void v8::TypedArray::CheckCast(Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::TypedArray::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSTypedArray(),
|
|
"v8::TypedArray::Cast()",
|
|
"Could not convert to TypedArray");
|
|
}
|
|
|
|
|
|
#define CHECK_TYPED_ARRAY_CAST(ApiClass, typeConst) \
|
|
void v8::ApiClass::CheckCast(Value* that) { \
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::" #ApiClass "::Cast()")) \
|
|
return; \
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that); \
|
|
ApiCheck(obj->IsJSTypedArray() && \
|
|
i::JSTypedArray::cast(*obj)->type() == typeConst, \
|
|
"v8::" #ApiClass "::Cast()", \
|
|
"Could not convert to " #ApiClass); \
|
|
}
|
|
|
|
|
|
TYPED_ARRAY_LIST(CHECK_TYPED_ARRAY_CAST)
|
|
|
|
#undef CHECK_TYPED_ARRAY_CAST
|
|
|
|
|
|
void v8::DataView::CheckCast(Value* that) {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSDataView(),
|
|
"v8::DataView::Cast()",
|
|
"Could not convert to DataView");
|
|
}
|
|
|
|
|
|
void v8::Date::CheckCast(v8::Value* that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Date::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Date_string()),
|
|
"v8::Date::Cast()",
|
|
"Could not convert to date");
|
|
}
|
|
|
|
|
|
void v8::StringObject::CheckCast(v8::Value* that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::StringObject::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->HasSpecificClassOf(isolate->heap()->String_string()),
|
|
"v8::StringObject::Cast()",
|
|
"Could not convert to StringObject");
|
|
}
|
|
|
|
|
|
void v8::SymbolObject::CheckCast(v8::Value* that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::SymbolObject::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Symbol_string()),
|
|
"v8::SymbolObject::Cast()",
|
|
"Could not convert to SymbolObject");
|
|
}
|
|
|
|
|
|
void v8::NumberObject::CheckCast(v8::Value* that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::NumberObject::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Number_string()),
|
|
"v8::NumberObject::Cast()",
|
|
"Could not convert to NumberObject");
|
|
}
|
|
|
|
|
|
void v8::BooleanObject::CheckCast(v8::Value* that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::BooleanObject::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->HasSpecificClassOf(isolate->heap()->Boolean_string()),
|
|
"v8::BooleanObject::Cast()",
|
|
"Could not convert to BooleanObject");
|
|
}
|
|
|
|
|
|
void v8::RegExp::CheckCast(v8::Value* that) {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::RegExp::Cast()")) return;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(that);
|
|
ApiCheck(obj->IsJSRegExp(),
|
|
"v8::RegExp::Cast()",
|
|
"Could not convert to regular expression");
|
|
}
|
|
|
|
|
|
bool Value::BooleanValue() const {
|
|
return Utils::OpenHandle(this)->BooleanValue();
|
|
}
|
|
|
|
|
|
double Value::NumberValue() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsNumber()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::NumberValue()")) {
|
|
return i::OS::nan_value();
|
|
}
|
|
LOG_API(isolate, "NumberValue");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToNumber(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, i::OS::nan_value());
|
|
}
|
|
return num->Number();
|
|
}
|
|
|
|
|
|
int64_t Value::IntegerValue() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsNumber()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::IntegerValue()")) return 0;
|
|
LOG_API(isolate, "IntegerValue");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToInteger(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
}
|
|
if (num->IsSmi()) {
|
|
return i::Smi::cast(*num)->value();
|
|
} else {
|
|
return static_cast<int64_t>(num->Number());
|
|
}
|
|
}
|
|
|
|
|
|
Local<Int32> Value::ToInt32() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsSmi()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToInt32()")) return Local<Int32>();
|
|
LOG_API(isolate, "ToInt32");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToInt32(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Int32>());
|
|
}
|
|
return ToApiHandle<Int32>(num);
|
|
}
|
|
|
|
|
|
Local<Uint32> Value::ToUint32() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> num;
|
|
if (obj->IsSmi()) {
|
|
num = obj;
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToUint32()")) return Local<Uint32>();
|
|
LOG_API(isolate, "ToUInt32");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
num = i::Execution::ToUint32(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>());
|
|
}
|
|
return ToApiHandle<Uint32>(num);
|
|
}
|
|
|
|
|
|
Local<Uint32> Value::ToArrayIndex() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
if (i::Smi::cast(*obj)->value() >= 0) return Utils::Uint32ToLocal(obj);
|
|
return Local<Uint32>();
|
|
}
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::ToArrayIndex()")) return Local<Uint32>();
|
|
LOG_API(isolate, "ToArrayIndex");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> string_obj =
|
|
i::Execution::ToString(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Uint32>());
|
|
i::Handle<i::String> str = i::Handle<i::String>::cast(string_obj);
|
|
uint32_t index;
|
|
if (str->AsArrayIndex(&index)) {
|
|
i::Handle<i::Object> value;
|
|
if (index <= static_cast<uint32_t>(i::Smi::kMaxValue)) {
|
|
value = i::Handle<i::Object>(i::Smi::FromInt(index), isolate);
|
|
} else {
|
|
value = isolate->factory()->NewNumber(index);
|
|
}
|
|
return Utils::Uint32ToLocal(value);
|
|
}
|
|
return Local<Uint32>();
|
|
}
|
|
|
|
|
|
int32_t Value::Int32Value() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
return i::Smi::cast(*obj)->value();
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::Int32Value()")) return 0;
|
|
LOG_API(isolate, "Int32Value (slow)");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> num =
|
|
i::Execution::ToInt32(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
if (num->IsSmi()) {
|
|
return i::Smi::cast(*num)->value();
|
|
} else {
|
|
return static_cast<int32_t>(num->Number());
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool Value::Equals(Handle<Value> that) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::Equals()")
|
|
|| EmptyCheck("v8::Value::Equals()", this)
|
|
|| EmptyCheck("v8::Value::Equals()", that)) {
|
|
return false;
|
|
}
|
|
LOG_API(isolate, "Equals");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> other = Utils::OpenHandle(*that);
|
|
// If both obj and other are JSObjects, we'd better compare by identity
|
|
// immediately when going into JS builtin. The reason is Invoke
|
|
// would overwrite global object receiver with global proxy.
|
|
if (obj->IsJSObject() && other->IsJSObject()) {
|
|
return *obj == *other;
|
|
}
|
|
i::Handle<i::Object> args[] = { other };
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result =
|
|
CallV8HeapFunction("EQUALS", obj, ARRAY_SIZE(args), args,
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return *result == i::Smi::FromInt(i::EQUAL);
|
|
}
|
|
|
|
|
|
bool Value::StrictEquals(Handle<Value> that) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::StrictEquals()")
|
|
|| EmptyCheck("v8::Value::StrictEquals()", this)
|
|
|| EmptyCheck("v8::Value::StrictEquals()", that)) {
|
|
return false;
|
|
}
|
|
LOG_API(isolate, "StrictEquals");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> other = Utils::OpenHandle(*that);
|
|
// Must check HeapNumber first, since NaN !== NaN.
|
|
if (obj->IsHeapNumber()) {
|
|
if (!other->IsNumber()) return false;
|
|
double x = obj->Number();
|
|
double y = other->Number();
|
|
// Must check explicitly for NaN:s on Windows, but -0 works fine.
|
|
return x == y && !std::isnan(x) && !std::isnan(y);
|
|
} else if (*obj == *other) { // Also covers Booleans.
|
|
return true;
|
|
} else if (obj->IsSmi()) {
|
|
return other->IsNumber() && obj->Number() == other->Number();
|
|
} else if (obj->IsString()) {
|
|
return other->IsString() &&
|
|
i::String::cast(*obj)->Equals(i::String::cast(*other));
|
|
} else if (obj->IsUndefined() || obj->IsUndetectableObject()) {
|
|
return other->IsUndefined() || other->IsUndetectableObject();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
uint32_t Value::Uint32Value() const {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
return i::Smi::cast(*obj)->value();
|
|
} else {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Value::Uint32Value()")) return 0;
|
|
LOG_API(isolate, "Uint32Value");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> num =
|
|
i::Execution::ToUint32(isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, 0);
|
|
if (num->IsSmi()) {
|
|
return i::Smi::cast(*num)->value();
|
|
} else {
|
|
return static_cast<uint32_t>(num->Number());
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool v8::Object::Set(v8::Handle<Value> key, v8::Handle<Value> value,
|
|
v8::PropertyAttribute attribs) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Set()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::Object> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::SetProperty(
|
|
isolate,
|
|
self,
|
|
key_obj,
|
|
value_obj,
|
|
static_cast<PropertyAttributes>(attribs),
|
|
i::kNonStrictMode);
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool v8::Object::Set(uint32_t index, v8::Handle<Value> value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Set()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::JSObject::SetElement(
|
|
self,
|
|
index,
|
|
value_obj,
|
|
NONE,
|
|
i::kNonStrictMode);
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool v8::Object::ForceSet(v8::Handle<Value> key,
|
|
v8::Handle<Value> value,
|
|
v8::PropertyAttribute attribs) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::ForceSet()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::ForceSetProperty(
|
|
self,
|
|
key_obj,
|
|
value_obj,
|
|
static_cast<PropertyAttributes>(attribs));
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool v8::Object::ForceDelete(v8::Handle<Value> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::ForceDelete()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
|
|
// When deleting a property on the global object using ForceDelete
|
|
// deoptimize all functions as optimized code does not check for the hole
|
|
// value with DontDelete properties. We have to deoptimize all contexts
|
|
// because of possible cross-context inlined functions.
|
|
if (self->IsJSGlobalProxy() || self->IsGlobalObject()) {
|
|
i::Deoptimizer::DeoptimizeAll(isolate);
|
|
}
|
|
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::ForceDeleteProperty(self, key_obj);
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return obj->IsTrue();
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::Get(v8::Handle<Value> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result = i::GetProperty(isolate, self, key_obj);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::Get(uint32_t index) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Get()", return Local<v8::Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result = i::Object::GetElement(isolate, self, index);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
PropertyAttribute v8::Object::GetPropertyAttributes(v8::Handle<Value> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetPropertyAttribute()",
|
|
return static_cast<PropertyAttribute>(NONE));
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
if (!key_obj->IsName()) {
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
key_obj = i::Execution::ToString(isolate, key_obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, static_cast<PropertyAttribute>(NONE));
|
|
}
|
|
i::Handle<i::Name> key_name = i::Handle<i::Name>::cast(key_obj);
|
|
PropertyAttributes result = self->GetPropertyAttribute(*key_name);
|
|
if (result == ABSENT) return static_cast<PropertyAttribute>(NONE);
|
|
return static_cast<PropertyAttribute>(result);
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::GetPrototype() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetPrototype()",
|
|
return Local<v8::Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> result(self->GetPrototype(isolate), isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
bool v8::Object::SetPrototype(Handle<Value> value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::SetPrototype()", return false);
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
|
|
// We do not allow exceptions thrown while setting the prototype
|
|
// to propagate outside.
|
|
TryCatch try_catch;
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> result = i::JSObject::SetPrototype(self, value_obj);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return true;
|
|
}
|
|
|
|
|
|
Local<Object> v8::Object::FindInstanceInPrototypeChain(
|
|
v8::Handle<FunctionTemplate> tmpl) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate,
|
|
"v8::Object::FindInstanceInPrototypeChain()",
|
|
return Local<v8::Object>());
|
|
ENTER_V8(isolate);
|
|
i::JSObject* object = *Utils::OpenHandle(this);
|
|
i::FunctionTemplateInfo* tmpl_info = *Utils::OpenHandle(*tmpl);
|
|
while (!object->IsInstanceOf(tmpl_info)) {
|
|
i::Object* prototype = object->GetPrototype();
|
|
if (!prototype->IsJSObject()) return Local<Object>();
|
|
object = i::JSObject::cast(prototype);
|
|
}
|
|
return Utils::ToLocal(i::Handle<i::JSObject>(object));
|
|
}
|
|
|
|
|
|
Local<Array> v8::Object::GetPropertyNames() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetPropertyNames()",
|
|
return Local<v8::Array>());
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
bool threw = false;
|
|
i::Handle<i::FixedArray> value =
|
|
i::GetKeysInFixedArrayFor(self, i::INCLUDE_PROTOS, &threw);
|
|
if (threw) return Local<v8::Array>();
|
|
// Because we use caching to speed up enumeration it is important
|
|
// to never change the result of the basic enumeration function so
|
|
// we clone the result.
|
|
i::Handle<i::FixedArray> elms = isolate->factory()->CopyFixedArray(value);
|
|
i::Handle<i::JSArray> result =
|
|
isolate->factory()->NewJSArrayWithElements(elms);
|
|
return Utils::ToLocal(scope.CloseAndEscape(result));
|
|
}
|
|
|
|
|
|
Local<Array> v8::Object::GetOwnPropertyNames() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetOwnPropertyNames()",
|
|
return Local<v8::Array>());
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
bool threw = false;
|
|
i::Handle<i::FixedArray> value =
|
|
i::GetKeysInFixedArrayFor(self, i::LOCAL_ONLY, &threw);
|
|
if (threw) return Local<v8::Array>();
|
|
// Because we use caching to speed up enumeration it is important
|
|
// to never change the result of the basic enumeration function so
|
|
// we clone the result.
|
|
i::Handle<i::FixedArray> elms = isolate->factory()->CopyFixedArray(value);
|
|
i::Handle<i::JSArray> result =
|
|
isolate->factory()->NewJSArrayWithElements(elms);
|
|
return Utils::ToLocal(scope.CloseAndEscape(result));
|
|
}
|
|
|
|
|
|
Local<String> v8::Object::ObjectProtoToString() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::ObjectProtoToString()",
|
|
return Local<v8::String>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
|
|
i::Handle<i::Object> name(self->class_name(), isolate);
|
|
|
|
// Native implementation of Object.prototype.toString (v8natives.js):
|
|
// var c = %_ClassOf(this);
|
|
// if (c === 'Arguments') c = 'Object';
|
|
// return "[object " + c + "]";
|
|
|
|
if (!name->IsString()) {
|
|
return v8::String::New("[object ]");
|
|
|
|
} else {
|
|
i::Handle<i::String> class_name = i::Handle<i::String>::cast(name);
|
|
if (class_name->IsOneByteEqualTo(STATIC_ASCII_VECTOR("Arguments"))) {
|
|
return v8::String::New("[object Object]");
|
|
|
|
} else {
|
|
const char* prefix = "[object ";
|
|
Local<String> str = Utils::ToLocal(class_name);
|
|
const char* postfix = "]";
|
|
|
|
int prefix_len = i::StrLength(prefix);
|
|
int str_len = str->Utf8Length();
|
|
int postfix_len = i::StrLength(postfix);
|
|
|
|
int buf_len = prefix_len + str_len + postfix_len;
|
|
i::ScopedVector<char> buf(buf_len);
|
|
|
|
// Write prefix.
|
|
char* ptr = buf.start();
|
|
i::OS::MemCopy(ptr, prefix, prefix_len * v8::internal::kCharSize);
|
|
ptr += prefix_len;
|
|
|
|
// Write real content.
|
|
str->WriteUtf8(ptr, str_len);
|
|
ptr += str_len;
|
|
|
|
// Write postfix.
|
|
i::OS::MemCopy(ptr, postfix, postfix_len * v8::internal::kCharSize);
|
|
|
|
// Copy the buffer into a heap-allocated string and return it.
|
|
Local<String> result = v8::String::New(buf.start(), buf_len);
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::GetConstructor() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetConstructor()",
|
|
return Local<v8::Function>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> constructor(self->GetConstructor(), isolate);
|
|
return Utils::ToLocal(constructor);
|
|
}
|
|
|
|
|
|
Local<String> v8::Object::GetConstructorName() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetConstructorName()",
|
|
return Local<v8::String>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::String> name(self->constructor_name());
|
|
return Utils::ToLocal(name);
|
|
}
|
|
|
|
|
|
bool v8::Object::Delete(v8::Handle<Value> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Delete()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::DeleteProperty(self, key_obj);
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return obj->IsTrue();
|
|
}
|
|
|
|
|
|
bool v8::Object::Has(v8::Handle<Value> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Has()", return false);
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSReceiver> self = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj = i::HasProperty(self, key_obj);
|
|
has_pending_exception = obj.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, false);
|
|
return obj->IsTrue();
|
|
}
|
|
|
|
|
|
bool v8::Object::Delete(uint32_t index) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::DeleteProperty()",
|
|
return false);
|
|
ENTER_V8(isolate);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
return i::JSReceiver::DeleteElement(self, index)->IsTrue();
|
|
}
|
|
|
|
|
|
bool v8::Object::Has(uint32_t index) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasProperty()", return false);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
return self->HasElement(index);
|
|
}
|
|
|
|
|
|
template<typename Setter, typename Getter, typename Data>
|
|
static inline bool ObjectSetAccessor(Object* obj,
|
|
Handle<String> name,
|
|
Setter getter,
|
|
Getter setter,
|
|
Data data,
|
|
AccessControl settings,
|
|
PropertyAttribute attributes) {
|
|
i::Isolate* isolate = Utils::OpenHandle(obj)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::SetAccessor()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
v8::Handle<AccessorSignature> signature;
|
|
i::Handle<i::AccessorInfo> info = MakeAccessorInfo(
|
|
name, getter, setter, data, settings, attributes, signature);
|
|
if (info.is_null()) return false;
|
|
bool fast = Utils::OpenHandle(obj)->HasFastProperties();
|
|
i::Handle<i::Object> result =
|
|
i::JSObject::SetAccessor(Utils::OpenHandle(obj), info);
|
|
if (result.is_null() || result->IsUndefined()) return false;
|
|
if (fast) i::JSObject::TransformToFastProperties(Utils::OpenHandle(obj), 0);
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Object::SetAccessor(Handle<String> name,
|
|
AccessorGetterCallback getter,
|
|
AccessorSetterCallback setter,
|
|
v8::Handle<Value> data,
|
|
AccessControl settings,
|
|
PropertyAttribute attributes) {
|
|
return ObjectSetAccessor(
|
|
this, name, getter, setter, data, settings, attributes);
|
|
}
|
|
|
|
|
|
bool Object::SetDeclaredAccessor(Local<String> name,
|
|
Local<DeclaredAccessorDescriptor> descriptor,
|
|
PropertyAttribute attributes,
|
|
AccessControl settings) {
|
|
void* null = NULL;
|
|
return ObjectSetAccessor(
|
|
this, name, descriptor, null, null, settings, attributes);
|
|
}
|
|
|
|
|
|
bool v8::Object::HasOwnProperty(Handle<String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasOwnProperty()",
|
|
return false);
|
|
return Utils::OpenHandle(this)->HasLocalProperty(
|
|
*Utils::OpenHandle(*key));
|
|
}
|
|
|
|
|
|
bool v8::Object::HasRealNamedProperty(Handle<String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasRealNamedProperty()",
|
|
return false);
|
|
return Utils::OpenHandle(this)->HasRealNamedProperty(
|
|
isolate,
|
|
*Utils::OpenHandle(*key));
|
|
}
|
|
|
|
|
|
bool v8::Object::HasRealIndexedProperty(uint32_t index) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasRealIndexedProperty()",
|
|
return false);
|
|
return Utils::OpenHandle(this)->HasRealElementProperty(isolate, index);
|
|
}
|
|
|
|
|
|
bool v8::Object::HasRealNamedCallbackProperty(Handle<String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate,
|
|
"v8::Object::HasRealNamedCallbackProperty()",
|
|
return false);
|
|
ENTER_V8(isolate);
|
|
return Utils::OpenHandle(this)->HasRealNamedCallbackProperty(
|
|
isolate,
|
|
*Utils::OpenHandle(*key));
|
|
}
|
|
|
|
|
|
bool v8::Object::HasNamedLookupInterceptor() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasNamedLookupInterceptor()",
|
|
return false);
|
|
return Utils::OpenHandle(this)->HasNamedInterceptor();
|
|
}
|
|
|
|
|
|
bool v8::Object::HasIndexedLookupInterceptor() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::HasIndexedLookupInterceptor()",
|
|
return false);
|
|
return Utils::OpenHandle(this)->HasIndexedInterceptor();
|
|
}
|
|
|
|
|
|
static Local<Value> GetPropertyByLookup(i::Isolate* isolate,
|
|
i::Handle<i::JSObject> receiver,
|
|
i::Handle<i::String> name,
|
|
i::LookupResult* lookup) {
|
|
if (!lookup->IsProperty()) {
|
|
// No real property was found.
|
|
return Local<Value>();
|
|
}
|
|
|
|
// If the property being looked up is a callback, it can throw
|
|
// an exception.
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
PropertyAttributes ignored;
|
|
i::Handle<i::Object> result =
|
|
i::Object::GetProperty(receiver, receiver, lookup, name,
|
|
&ignored);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
|
|
Handle<String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate,
|
|
"v8::Object::GetRealNamedPropertyInPrototypeChain()",
|
|
return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
|
|
i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
|
|
i::LookupResult lookup(isolate);
|
|
self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup);
|
|
return GetPropertyByLookup(isolate, self_obj, key_obj, &lookup);
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetRealNamedProperty()",
|
|
return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self_obj = Utils::OpenHandle(this);
|
|
i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
|
|
i::LookupResult lookup(isolate);
|
|
self_obj->LookupRealNamedProperty(*key_obj, &lookup);
|
|
return GetPropertyByLookup(isolate, self_obj, key_obj, &lookup);
|
|
}
|
|
|
|
|
|
// Turns on access checks by copying the map and setting the check flag.
|
|
// Because the object gets a new map, existing inline cache caching
|
|
// the old map of this object will fail.
|
|
void v8::Object::TurnOnAccessCheck() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::TurnOnAccessCheck()", return);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
|
|
// When turning on access checks for a global object deoptimize all functions
|
|
// as optimized code does not always handle access checks.
|
|
i::Deoptimizer::DeoptimizeGlobalObject(*obj);
|
|
|
|
i::Handle<i::Map> new_map =
|
|
isolate->factory()->CopyMap(i::Handle<i::Map>(obj->map()));
|
|
new_map->set_is_access_check_needed(true);
|
|
obj->set_map(*new_map);
|
|
}
|
|
|
|
|
|
bool v8::Object::IsDirty() {
|
|
return Utils::OpenHandle(this)->IsDirty();
|
|
}
|
|
|
|
|
|
Local<v8::Object> v8::Object::Clone() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::Clone()", return Local<Object>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::JSObject> result = i::Copy(self);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
static i::Context* GetCreationContext(i::JSObject* object) {
|
|
i::Object* constructor = object->map()->constructor();
|
|
i::JSFunction* function;
|
|
if (!constructor->IsJSFunction()) {
|
|
// Functions have null as a constructor,
|
|
// but any JSFunction knows its context immediately.
|
|
ASSERT(object->IsJSFunction());
|
|
function = i::JSFunction::cast(object);
|
|
} else {
|
|
function = i::JSFunction::cast(constructor);
|
|
}
|
|
return function->context()->native_context();
|
|
}
|
|
|
|
|
|
Local<v8::Context> v8::Object::CreationContext() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate,
|
|
"v8::Object::CreationContext()", return Local<v8::Context>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Context* context = GetCreationContext(*self);
|
|
return Utils::ToLocal(i::Handle<i::Context>(context));
|
|
}
|
|
|
|
|
|
int v8::Object::GetIdentityHash() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetIdentityHash()", return 0);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
return i::JSObject::GetIdentityHash(self);
|
|
}
|
|
|
|
|
|
bool v8::Object::SetHiddenValue(v8::Handle<v8::String> key,
|
|
v8::Handle<v8::Value> value) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::SetHiddenValue()", return false);
|
|
if (value.IsEmpty()) return DeleteHiddenValue(key);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
|
|
i::Handle<i::String> key_string =
|
|
isolate->factory()->InternalizeString(key_obj);
|
|
i::Handle<i::Object> value_obj = Utils::OpenHandle(*value);
|
|
i::Handle<i::Object> result =
|
|
i::JSObject::SetHiddenProperty(self, key_string, value_obj);
|
|
return *result == *self;
|
|
}
|
|
|
|
|
|
v8::Local<v8::Value> v8::Object::GetHiddenValue(v8::Handle<v8::String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::GetHiddenValue()",
|
|
return Local<v8::Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
|
|
i::Handle<i::String> key_string =
|
|
isolate->factory()->InternalizeString(key_obj);
|
|
i::Handle<i::Object> result(self->GetHiddenProperty(*key_string), isolate);
|
|
if (result->IsTheHole()) return v8::Local<v8::Value>();
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
bool v8::Object::DeleteHiddenValue(v8::Handle<v8::String> key) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::DeleteHiddenValue()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
i::Handle<i::String> key_obj = Utils::OpenHandle(*key);
|
|
i::Handle<i::String> key_string =
|
|
isolate->factory()->InternalizeString(key_obj);
|
|
i::JSObject::DeleteHiddenProperty(self, key_string);
|
|
return true;
|
|
}
|
|
|
|
|
|
namespace {
|
|
|
|
static i::ElementsKind GetElementsKindFromExternalArrayType(
|
|
ExternalArrayType array_type) {
|
|
switch (array_type) {
|
|
case kExternalByteArray:
|
|
return i::EXTERNAL_BYTE_ELEMENTS;
|
|
break;
|
|
case kExternalUnsignedByteArray:
|
|
return i::EXTERNAL_UNSIGNED_BYTE_ELEMENTS;
|
|
break;
|
|
case kExternalShortArray:
|
|
return i::EXTERNAL_SHORT_ELEMENTS;
|
|
break;
|
|
case kExternalUnsignedShortArray:
|
|
return i::EXTERNAL_UNSIGNED_SHORT_ELEMENTS;
|
|
break;
|
|
case kExternalIntArray:
|
|
return i::EXTERNAL_INT_ELEMENTS;
|
|
break;
|
|
case kExternalUnsignedIntArray:
|
|
return i::EXTERNAL_UNSIGNED_INT_ELEMENTS;
|
|
break;
|
|
case kExternalFloatArray:
|
|
return i::EXTERNAL_FLOAT_ELEMENTS;
|
|
break;
|
|
case kExternalDoubleArray:
|
|
return i::EXTERNAL_DOUBLE_ELEMENTS;
|
|
break;
|
|
case kExternalPixelArray:
|
|
return i::EXTERNAL_PIXEL_ELEMENTS;
|
|
break;
|
|
}
|
|
UNREACHABLE();
|
|
return i::DICTIONARY_ELEMENTS;
|
|
}
|
|
|
|
|
|
void PrepareExternalArrayElements(i::Handle<i::JSObject> object,
|
|
void* data,
|
|
ExternalArrayType array_type,
|
|
int length) {
|
|
i::Isolate* isolate = object->GetIsolate();
|
|
i::Handle<i::ExternalArray> array =
|
|
isolate->factory()->NewExternalArray(length, array_type, data);
|
|
|
|
i::Handle<i::Map> external_array_map =
|
|
isolate->factory()->GetElementsTransitionMap(
|
|
object,
|
|
GetElementsKindFromExternalArrayType(array_type));
|
|
|
|
object->set_map(*external_array_map);
|
|
object->set_elements(*array);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
void v8::Object::SetIndexedPropertiesToPixelData(uint8_t* data, int length) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::SetElementsToPixelData()", return);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
if (!ApiCheck(length >= 0 && length <= i::ExternalPixelArray::kMaxLength,
|
|
"v8::Object::SetIndexedPropertiesToPixelData()",
|
|
"length exceeds max acceptable value")) {
|
|
return;
|
|
}
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
if (!ApiCheck(!self->IsJSArray(),
|
|
"v8::Object::SetIndexedPropertiesToPixelData()",
|
|
"JSArray is not supported")) {
|
|
return;
|
|
}
|
|
PrepareExternalArrayElements(self, data, kExternalPixelArray, length);
|
|
}
|
|
|
|
|
|
bool v8::Object::HasIndexedPropertiesInPixelData() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(), "v8::HasIndexedPropertiesInPixelData()",
|
|
return false);
|
|
return self->HasExternalPixelElements();
|
|
}
|
|
|
|
|
|
uint8_t* v8::Object::GetIndexedPropertiesPixelData() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelData()",
|
|
return NULL);
|
|
if (self->HasExternalPixelElements()) {
|
|
return i::ExternalPixelArray::cast(self->elements())->
|
|
external_pixel_pointer();
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
int v8::Object::GetIndexedPropertiesPixelDataLength() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(), "v8::GetIndexedPropertiesPixelDataLength()",
|
|
return -1);
|
|
if (self->HasExternalPixelElements()) {
|
|
return i::ExternalPixelArray::cast(self->elements())->length();
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
|
|
void v8::Object::SetIndexedPropertiesToExternalArrayData(
|
|
void* data,
|
|
ExternalArrayType array_type,
|
|
int length) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::SetIndexedPropertiesToExternalArrayData()", return);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
if (!ApiCheck(length >= 0 && length <= i::ExternalArray::kMaxLength,
|
|
"v8::Object::SetIndexedPropertiesToExternalArrayData()",
|
|
"length exceeds max acceptable value")) {
|
|
return;
|
|
}
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
if (!ApiCheck(!self->IsJSArray(),
|
|
"v8::Object::SetIndexedPropertiesToExternalArrayData()",
|
|
"JSArray is not supported")) {
|
|
return;
|
|
}
|
|
PrepareExternalArrayElements(self, data, array_type, length);
|
|
}
|
|
|
|
|
|
bool v8::Object::HasIndexedPropertiesInExternalArrayData() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(),
|
|
"v8::HasIndexedPropertiesInExternalArrayData()",
|
|
return false);
|
|
return self->HasExternalArrayElements();
|
|
}
|
|
|
|
|
|
void* v8::Object::GetIndexedPropertiesExternalArrayData() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(),
|
|
"v8::GetIndexedPropertiesExternalArrayData()",
|
|
return NULL);
|
|
if (self->HasExternalArrayElements()) {
|
|
return i::ExternalArray::cast(self->elements())->external_pointer();
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
ExternalArrayType v8::Object::GetIndexedPropertiesExternalArrayDataType() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(),
|
|
"v8::GetIndexedPropertiesExternalArrayDataType()",
|
|
return static_cast<ExternalArrayType>(-1));
|
|
switch (self->elements()->map()->instance_type()) {
|
|
case i::EXTERNAL_BYTE_ARRAY_TYPE:
|
|
return kExternalByteArray;
|
|
case i::EXTERNAL_UNSIGNED_BYTE_ARRAY_TYPE:
|
|
return kExternalUnsignedByteArray;
|
|
case i::EXTERNAL_SHORT_ARRAY_TYPE:
|
|
return kExternalShortArray;
|
|
case i::EXTERNAL_UNSIGNED_SHORT_ARRAY_TYPE:
|
|
return kExternalUnsignedShortArray;
|
|
case i::EXTERNAL_INT_ARRAY_TYPE:
|
|
return kExternalIntArray;
|
|
case i::EXTERNAL_UNSIGNED_INT_ARRAY_TYPE:
|
|
return kExternalUnsignedIntArray;
|
|
case i::EXTERNAL_FLOAT_ARRAY_TYPE:
|
|
return kExternalFloatArray;
|
|
case i::EXTERNAL_DOUBLE_ARRAY_TYPE:
|
|
return kExternalDoubleArray;
|
|
case i::EXTERNAL_PIXEL_ARRAY_TYPE:
|
|
return kExternalPixelArray;
|
|
default:
|
|
return static_cast<ExternalArrayType>(-1);
|
|
}
|
|
}
|
|
|
|
|
|
int v8::Object::GetIndexedPropertiesExternalArrayDataLength() {
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
ON_BAILOUT(self->GetIsolate(),
|
|
"v8::GetIndexedPropertiesExternalArrayDataLength()",
|
|
return 0);
|
|
if (self->HasExternalArrayElements()) {
|
|
return i::ExternalArray::cast(self->elements())->length();
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
|
|
bool v8::Object::IsCallable() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::IsCallable()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
if (obj->IsJSFunction()) return true;
|
|
return i::Execution::GetFunctionDelegate(isolate, obj)->IsJSFunction();
|
|
}
|
|
|
|
|
|
Local<v8::Value> Object::CallAsFunction(v8::Handle<v8::Object> recv,
|
|
int argc,
|
|
v8::Handle<v8::Value> argv[]) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::CallAsFunction()",
|
|
return Local<v8::Value>());
|
|
LOG_API(isolate, "Object::CallAsFunction");
|
|
ENTER_V8(isolate);
|
|
i::Logger::TimerEventScope timer_scope(
|
|
isolate, i::Logger::TimerEventScope::v8_execute);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
|
|
STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
|
|
i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
|
|
i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>();
|
|
if (obj->IsJSFunction()) {
|
|
fun = i::Handle<i::JSFunction>::cast(obj);
|
|
} else {
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> delegate = i::Execution::TryGetFunctionDelegate(
|
|
isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
fun = i::Handle<i::JSFunction>::cast(delegate);
|
|
recv_obj = obj;
|
|
}
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> returned = i::Execution::Call(
|
|
isolate, fun, recv_obj, argc, args, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Value>());
|
|
return Utils::ToLocal(scope.CloseAndEscape(returned));
|
|
}
|
|
|
|
|
|
Local<v8::Value> Object::CallAsConstructor(int argc,
|
|
v8::Handle<v8::Value> argv[]) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Object::CallAsConstructor()",
|
|
return Local<v8::Object>());
|
|
LOG_API(isolate, "Object::CallAsConstructor");
|
|
ENTER_V8(isolate);
|
|
i::Logger::TimerEventScope timer_scope(
|
|
isolate, i::Logger::TimerEventScope::v8_execute);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
|
|
i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
|
|
if (obj->IsJSFunction()) {
|
|
i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(obj);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> returned =
|
|
i::Execution::New(fun, argc, args, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>());
|
|
return Utils::ToLocal(scope.CloseAndEscape(
|
|
i::Handle<i::JSObject>::cast(returned)));
|
|
}
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> delegate = i::Execution::TryGetConstructorDelegate(
|
|
isolate, obj, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
|
|
if (!delegate->IsUndefined()) {
|
|
i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(delegate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> returned = i::Execution::Call(
|
|
isolate, fun, obj, argc, args, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>());
|
|
ASSERT(!delegate->IsUndefined());
|
|
return Utils::ToLocal(scope.CloseAndEscape(returned));
|
|
}
|
|
return Local<v8::Object>();
|
|
}
|
|
|
|
|
|
Local<Function> Function::New(Isolate* v8_isolate,
|
|
FunctionCallback callback,
|
|
Local<Value> data,
|
|
int length) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
|
|
LOG_API(isolate, "Function::New");
|
|
ENTER_V8(isolate);
|
|
return FunctionTemplateNew(
|
|
isolate, callback, data, Local<Signature>(), length, true)->
|
|
GetFunction();
|
|
}
|
|
|
|
|
|
Local<v8::Object> Function::NewInstance() const {
|
|
return NewInstance(0, NULL);
|
|
}
|
|
|
|
|
|
Local<v8::Object> Function::NewInstance(int argc,
|
|
v8::Handle<v8::Value> argv[]) const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Function::NewInstance()",
|
|
return Local<v8::Object>());
|
|
LOG_API(isolate, "Function::NewInstance");
|
|
ENTER_V8(isolate);
|
|
i::Logger::TimerEventScope timer_scope(
|
|
isolate, i::Logger::TimerEventScope::v8_execute);
|
|
HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Handle<i::JSFunction> function = Utils::OpenHandle(this);
|
|
STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
|
|
i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> returned =
|
|
i::Execution::New(function, argc, args, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<v8::Object>());
|
|
return scope.Close(Utils::ToLocal(i::Handle<i::JSObject>::cast(returned)));
|
|
}
|
|
|
|
|
|
Local<v8::Value> Function::Call(v8::Handle<v8::Object> recv, int argc,
|
|
v8::Handle<v8::Value> argv[]) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Function::Call()", return Local<v8::Value>());
|
|
LOG_API(isolate, "Function::Call");
|
|
ENTER_V8(isolate);
|
|
i::Logger::TimerEventScope timer_scope(
|
|
isolate, i::Logger::TimerEventScope::v8_execute);
|
|
i::Object* raw_result = NULL;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::JSFunction> fun = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> recv_obj = Utils::OpenHandle(*recv);
|
|
STATIC_ASSERT(sizeof(v8::Handle<v8::Value>) == sizeof(i::Object**));
|
|
i::Handle<i::Object>* args = reinterpret_cast<i::Handle<i::Object>*>(argv);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> returned = i::Execution::Call(
|
|
isolate, fun, recv_obj, argc, args, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK_DO_CALLBACK(isolate, Local<Object>());
|
|
raw_result = *returned;
|
|
}
|
|
i::Handle<i::Object> result(raw_result, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
void Function::SetName(v8::Handle<v8::String> name) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ENTER_V8(isolate);
|
|
USE(isolate);
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
func->shared()->set_name(*Utils::OpenHandle(*name));
|
|
}
|
|
|
|
|
|
Handle<Value> Function::GetName() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
return Utils::ToLocal(i::Handle<i::Object>(func->shared()->name(),
|
|
func->GetIsolate()));
|
|
}
|
|
|
|
|
|
Handle<Value> Function::GetInferredName() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
return Utils::ToLocal(i::Handle<i::Object>(func->shared()->inferred_name(),
|
|
func->GetIsolate()));
|
|
}
|
|
|
|
|
|
ScriptOrigin Function::GetScriptOrigin() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
if (func->shared()->script()->IsScript()) {
|
|
i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
|
|
i::Handle<i::Object> scriptName = GetScriptNameOrSourceURL(script);
|
|
v8::ScriptOrigin origin(
|
|
Utils::ToLocal(scriptName),
|
|
v8::Integer::New(script->line_offset()->value()),
|
|
v8::Integer::New(script->column_offset()->value()));
|
|
return origin;
|
|
}
|
|
return v8::ScriptOrigin(Handle<Value>());
|
|
}
|
|
|
|
|
|
const int Function::kLineOffsetNotFound = -1;
|
|
|
|
|
|
int Function::GetScriptLineNumber() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
if (func->shared()->script()->IsScript()) {
|
|
i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
|
|
return i::GetScriptLineNumber(script, func->shared()->start_position());
|
|
}
|
|
return kLineOffsetNotFound;
|
|
}
|
|
|
|
|
|
int Function::GetScriptColumnNumber() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
if (func->shared()->script()->IsScript()) {
|
|
i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
|
|
return i::GetScriptColumnNumber(script, func->shared()->start_position());
|
|
}
|
|
return kLineOffsetNotFound;
|
|
}
|
|
|
|
|
|
Handle<Value> Function::GetScriptId() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
if (!func->shared()->script()->IsScript())
|
|
return v8::Undefined();
|
|
i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
|
|
return Utils::ToLocal(i::Handle<i::Object>(script->id(), func->GetIsolate()));
|
|
}
|
|
|
|
|
|
int Function::ScriptId() const {
|
|
i::Handle<i::JSFunction> func = Utils::OpenHandle(this);
|
|
if (!func->shared()->script()->IsScript()) return v8::Script::kNoScriptId;
|
|
i::Handle<i::Script> script(i::Script::cast(func->shared()->script()));
|
|
return script->id()->value();
|
|
}
|
|
|
|
|
|
int String::Length() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(), "v8::String::Length()")) return 0;
|
|
return str->length();
|
|
}
|
|
|
|
|
|
bool String::IsOneByte() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(), "v8::String::IsOneByte()")) {
|
|
return false;
|
|
}
|
|
return str->HasOnlyOneByteChars();
|
|
}
|
|
|
|
|
|
// Helpers for ContainsOnlyOneByteHelper
|
|
template<size_t size> struct OneByteMask;
|
|
template<> struct OneByteMask<4> {
|
|
static const uint32_t value = 0xFF00FF00;
|
|
};
|
|
template<> struct OneByteMask<8> {
|
|
static const uint64_t value = V8_2PART_UINT64_C(0xFF00FF00, FF00FF00);
|
|
};
|
|
static const uintptr_t kOneByteMask = OneByteMask<sizeof(uintptr_t)>::value;
|
|
static const uintptr_t kAlignmentMask = sizeof(uintptr_t) - 1;
|
|
static inline bool Unaligned(const uint16_t* chars) {
|
|
return reinterpret_cast<const uintptr_t>(chars) & kAlignmentMask;
|
|
}
|
|
|
|
|
|
static inline const uint16_t* Align(const uint16_t* chars) {
|
|
return reinterpret_cast<uint16_t*>(
|
|
reinterpret_cast<uintptr_t>(chars) & ~kAlignmentMask);
|
|
}
|
|
|
|
class ContainsOnlyOneByteHelper {
|
|
public:
|
|
ContainsOnlyOneByteHelper() : is_one_byte_(true) {}
|
|
bool Check(i::String* string) {
|
|
i::ConsString* cons_string = i::String::VisitFlat(this, string, 0);
|
|
if (cons_string == NULL) return is_one_byte_;
|
|
return CheckCons(cons_string);
|
|
}
|
|
void VisitOneByteString(const uint8_t* chars, int length) {
|
|
// Nothing to do.
|
|
}
|
|
void VisitTwoByteString(const uint16_t* chars, int length) {
|
|
// Accumulated bits.
|
|
uintptr_t acc = 0;
|
|
// Align to uintptr_t.
|
|
const uint16_t* end = chars + length;
|
|
while (Unaligned(chars) && chars != end) {
|
|
acc |= *chars++;
|
|
}
|
|
// Read word aligned in blocks,
|
|
// checking the return value at the end of each block.
|
|
const uint16_t* aligned_end = Align(end);
|
|
const int increment = sizeof(uintptr_t)/sizeof(uint16_t);
|
|
const int inner_loops = 16;
|
|
while (chars + inner_loops*increment < aligned_end) {
|
|
for (int i = 0; i < inner_loops; i++) {
|
|
acc |= *reinterpret_cast<const uintptr_t*>(chars);
|
|
chars += increment;
|
|
}
|
|
// Check for early return.
|
|
if ((acc & kOneByteMask) != 0) {
|
|
is_one_byte_ = false;
|
|
return;
|
|
}
|
|
}
|
|
// Read the rest.
|
|
while (chars != end) {
|
|
acc |= *chars++;
|
|
}
|
|
// Check result.
|
|
if ((acc & kOneByteMask) != 0) is_one_byte_ = false;
|
|
}
|
|
|
|
private:
|
|
bool CheckCons(i::ConsString* cons_string) {
|
|
while (true) {
|
|
// Check left side if flat.
|
|
i::String* left = cons_string->first();
|
|
i::ConsString* left_as_cons =
|
|
i::String::VisitFlat(this, left, 0);
|
|
if (!is_one_byte_) return false;
|
|
// Check right side if flat.
|
|
i::String* right = cons_string->second();
|
|
i::ConsString* right_as_cons =
|
|
i::String::VisitFlat(this, right, 0);
|
|
if (!is_one_byte_) return false;
|
|
// Standard recurse/iterate trick.
|
|
if (left_as_cons != NULL && right_as_cons != NULL) {
|
|
if (left->length() < right->length()) {
|
|
CheckCons(left_as_cons);
|
|
cons_string = right_as_cons;
|
|
} else {
|
|
CheckCons(right_as_cons);
|
|
cons_string = left_as_cons;
|
|
}
|
|
// Check fast return.
|
|
if (!is_one_byte_) return false;
|
|
continue;
|
|
}
|
|
// Descend left in place.
|
|
if (left_as_cons != NULL) {
|
|
cons_string = left_as_cons;
|
|
continue;
|
|
}
|
|
// Descend right in place.
|
|
if (right_as_cons != NULL) {
|
|
cons_string = right_as_cons;
|
|
continue;
|
|
}
|
|
// Terminate.
|
|
break;
|
|
}
|
|
return is_one_byte_;
|
|
}
|
|
bool is_one_byte_;
|
|
DISALLOW_COPY_AND_ASSIGN(ContainsOnlyOneByteHelper);
|
|
};
|
|
|
|
|
|
bool String::ContainsOnlyOneByte() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(),
|
|
"v8::String::ContainsOnlyOneByte()")) {
|
|
return false;
|
|
}
|
|
if (str->HasOnlyOneByteChars()) return true;
|
|
ContainsOnlyOneByteHelper helper;
|
|
return helper.Check(*str);
|
|
}
|
|
|
|
|
|
class Utf8LengthHelper : public i::AllStatic {
|
|
public:
|
|
enum State {
|
|
kEndsWithLeadingSurrogate = 1 << 0,
|
|
kStartsWithTrailingSurrogate = 1 << 1,
|
|
kLeftmostEdgeIsCalculated = 1 << 2,
|
|
kRightmostEdgeIsCalculated = 1 << 3,
|
|
kLeftmostEdgeIsSurrogate = 1 << 4,
|
|
kRightmostEdgeIsSurrogate = 1 << 5
|
|
};
|
|
|
|
static const uint8_t kInitialState = 0;
|
|
|
|
static inline bool EndsWithSurrogate(uint8_t state) {
|
|
return state & kEndsWithLeadingSurrogate;
|
|
}
|
|
|
|
static inline bool StartsWithSurrogate(uint8_t state) {
|
|
return state & kStartsWithTrailingSurrogate;
|
|
}
|
|
|
|
class Visitor {
|
|
public:
|
|
inline explicit Visitor()
|
|
: utf8_length_(0),
|
|
state_(kInitialState) {}
|
|
|
|
void VisitOneByteString(const uint8_t* chars, int length) {
|
|
int utf8_length = 0;
|
|
// Add in length 1 for each non-ASCII character.
|
|
for (int i = 0; i < length; i++) {
|
|
utf8_length += *chars++ >> 7;
|
|
}
|
|
// Add in length 1 for each character.
|
|
utf8_length_ = utf8_length + length;
|
|
state_ = kInitialState;
|
|
}
|
|
|
|
void VisitTwoByteString(const uint16_t* chars, int length) {
|
|
int utf8_length = 0;
|
|
int last_character = unibrow::Utf16::kNoPreviousCharacter;
|
|
for (int i = 0; i < length; i++) {
|
|
uint16_t c = chars[i];
|
|
utf8_length += unibrow::Utf8::Length(c, last_character);
|
|
last_character = c;
|
|
}
|
|
utf8_length_ = utf8_length;
|
|
uint8_t state = 0;
|
|
if (unibrow::Utf16::IsTrailSurrogate(chars[0])) {
|
|
state |= kStartsWithTrailingSurrogate;
|
|
}
|
|
if (unibrow::Utf16::IsLeadSurrogate(chars[length-1])) {
|
|
state |= kEndsWithLeadingSurrogate;
|
|
}
|
|
state_ = state;
|
|
}
|
|
|
|
static i::ConsString* VisitFlat(i::String* string,
|
|
int* length,
|
|
uint8_t* state) {
|
|
Visitor visitor;
|
|
i::ConsString* cons_string = i::String::VisitFlat(&visitor, string);
|
|
*length = visitor.utf8_length_;
|
|
*state = visitor.state_;
|
|
return cons_string;
|
|
}
|
|
|
|
private:
|
|
int utf8_length_;
|
|
uint8_t state_;
|
|
DISALLOW_COPY_AND_ASSIGN(Visitor);
|
|
};
|
|
|
|
static inline void MergeLeafLeft(int* length,
|
|
uint8_t* state,
|
|
uint8_t leaf_state) {
|
|
bool edge_surrogate = StartsWithSurrogate(leaf_state);
|
|
if (!(*state & kLeftmostEdgeIsCalculated)) {
|
|
ASSERT(!(*state & kLeftmostEdgeIsSurrogate));
|
|
*state |= kLeftmostEdgeIsCalculated
|
|
| (edge_surrogate ? kLeftmostEdgeIsSurrogate : 0);
|
|
} else if (EndsWithSurrogate(*state) && edge_surrogate) {
|
|
*length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates;
|
|
}
|
|
if (EndsWithSurrogate(leaf_state)) {
|
|
*state |= kEndsWithLeadingSurrogate;
|
|
} else {
|
|
*state &= ~kEndsWithLeadingSurrogate;
|
|
}
|
|
}
|
|
|
|
static inline void MergeLeafRight(int* length,
|
|
uint8_t* state,
|
|
uint8_t leaf_state) {
|
|
bool edge_surrogate = EndsWithSurrogate(leaf_state);
|
|
if (!(*state & kRightmostEdgeIsCalculated)) {
|
|
ASSERT(!(*state & kRightmostEdgeIsSurrogate));
|
|
*state |= (kRightmostEdgeIsCalculated
|
|
| (edge_surrogate ? kRightmostEdgeIsSurrogate : 0));
|
|
} else if (edge_surrogate && StartsWithSurrogate(*state)) {
|
|
*length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates;
|
|
}
|
|
if (StartsWithSurrogate(leaf_state)) {
|
|
*state |= kStartsWithTrailingSurrogate;
|
|
} else {
|
|
*state &= ~kStartsWithTrailingSurrogate;
|
|
}
|
|
}
|
|
|
|
static inline void MergeTerminal(int* length,
|
|
uint8_t state,
|
|
uint8_t* state_out) {
|
|
ASSERT((state & kLeftmostEdgeIsCalculated) &&
|
|
(state & kRightmostEdgeIsCalculated));
|
|
if (EndsWithSurrogate(state) && StartsWithSurrogate(state)) {
|
|
*length -= unibrow::Utf8::kBytesSavedByCombiningSurrogates;
|
|
}
|
|
*state_out = kInitialState |
|
|
(state & kLeftmostEdgeIsSurrogate ? kStartsWithTrailingSurrogate : 0) |
|
|
(state & kRightmostEdgeIsSurrogate ? kEndsWithLeadingSurrogate : 0);
|
|
}
|
|
|
|
static int Calculate(i::ConsString* current, uint8_t* state_out) {
|
|
using namespace internal;
|
|
int total_length = 0;
|
|
uint8_t state = kInitialState;
|
|
while (true) {
|
|
i::String* left = current->first();
|
|
i::String* right = current->second();
|
|
uint8_t right_leaf_state;
|
|
uint8_t left_leaf_state;
|
|
int leaf_length;
|
|
ConsString* left_as_cons =
|
|
Visitor::VisitFlat(left, &leaf_length, &left_leaf_state);
|
|
if (left_as_cons == NULL) {
|
|
total_length += leaf_length;
|
|
MergeLeafLeft(&total_length, &state, left_leaf_state);
|
|
}
|
|
ConsString* right_as_cons =
|
|
Visitor::VisitFlat(right, &leaf_length, &right_leaf_state);
|
|
if (right_as_cons == NULL) {
|
|
total_length += leaf_length;
|
|
MergeLeafRight(&total_length, &state, right_leaf_state);
|
|
if (left_as_cons != NULL) {
|
|
// 1 Leaf node. Descend in place.
|
|
current = left_as_cons;
|
|
continue;
|
|
} else {
|
|
// Terminal node.
|
|
MergeTerminal(&total_length, state, state_out);
|
|
return total_length;
|
|
}
|
|
} else if (left_as_cons == NULL) {
|
|
// 1 Leaf node. Descend in place.
|
|
current = right_as_cons;
|
|
continue;
|
|
}
|
|
// Both strings are ConsStrings.
|
|
// Recurse on smallest.
|
|
if (left->length() < right->length()) {
|
|
total_length += Calculate(left_as_cons, &left_leaf_state);
|
|
MergeLeafLeft(&total_length, &state, left_leaf_state);
|
|
current = right_as_cons;
|
|
} else {
|
|
total_length += Calculate(right_as_cons, &right_leaf_state);
|
|
MergeLeafRight(&total_length, &state, right_leaf_state);
|
|
current = left_as_cons;
|
|
}
|
|
}
|
|
UNREACHABLE();
|
|
return 0;
|
|
}
|
|
|
|
static inline int Calculate(i::ConsString* current) {
|
|
uint8_t state = kInitialState;
|
|
return Calculate(current, &state);
|
|
}
|
|
|
|
private:
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(Utf8LengthHelper);
|
|
};
|
|
|
|
|
|
static int Utf8Length(i::String* str, i::Isolate* isolate) {
|
|
int length = str->length();
|
|
if (length == 0) return 0;
|
|
uint8_t state;
|
|
i::ConsString* cons_string =
|
|
Utf8LengthHelper::Visitor::VisitFlat(str, &length, &state);
|
|
if (cons_string == NULL) return length;
|
|
return Utf8LengthHelper::Calculate(cons_string);
|
|
}
|
|
|
|
|
|
int String::Utf8Length() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = str->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::Utf8Length()")) return 0;
|
|
return v8::Utf8Length(*str, isolate);
|
|
}
|
|
|
|
|
|
class Utf8WriterVisitor {
|
|
public:
|
|
Utf8WriterVisitor(
|
|
char* buffer, int capacity, bool skip_capacity_check)
|
|
: early_termination_(false),
|
|
last_character_(unibrow::Utf16::kNoPreviousCharacter),
|
|
buffer_(buffer),
|
|
start_(buffer),
|
|
capacity_(capacity),
|
|
skip_capacity_check_(capacity == -1 || skip_capacity_check),
|
|
utf16_chars_read_(0) {
|
|
}
|
|
|
|
static int WriteEndCharacter(uint16_t character,
|
|
int last_character,
|
|
int remaining,
|
|
char* const buffer) {
|
|
using namespace unibrow;
|
|
ASSERT(remaining > 0);
|
|
// We can't use a local buffer here because Encode needs to modify
|
|
// previous characters in the stream. We know, however, that
|
|
// exactly one character will be advanced.
|
|
if (Utf16::IsTrailSurrogate(character) &&
|
|
Utf16::IsLeadSurrogate(last_character)) {
|
|
int written = Utf8::Encode(buffer, character, last_character);
|
|
ASSERT(written == 1);
|
|
return written;
|
|
}
|
|
// Use a scratch buffer to check the required characters.
|
|
char temp_buffer[Utf8::kMaxEncodedSize];
|
|
// Can't encode using last_character as gcc has array bounds issues.
|
|
int written = Utf8::Encode(temp_buffer,
|
|
character,
|
|
Utf16::kNoPreviousCharacter);
|
|
// Won't fit.
|
|
if (written > remaining) return 0;
|
|
// Copy over the character from temp_buffer.
|
|
for (int j = 0; j < written; j++) {
|
|
buffer[j] = temp_buffer[j];
|
|
}
|
|
return written;
|
|
}
|
|
|
|
template<typename Char>
|
|
void Visit(const Char* chars, const int length) {
|
|
using namespace unibrow;
|
|
ASSERT(!early_termination_);
|
|
if (length == 0) return;
|
|
// Copy state to stack.
|
|
char* buffer = buffer_;
|
|
int last_character =
|
|
sizeof(Char) == 1 ? Utf16::kNoPreviousCharacter : last_character_;
|
|
int i = 0;
|
|
// Do a fast loop where there is no exit capacity check.
|
|
while (true) {
|
|
int fast_length;
|
|
if (skip_capacity_check_) {
|
|
fast_length = length;
|
|
} else {
|
|
int remaining_capacity = capacity_ - static_cast<int>(buffer - start_);
|
|
// Need enough space to write everything but one character.
|
|
STATIC_ASSERT(Utf16::kMaxExtraUtf8BytesForOneUtf16CodeUnit == 3);
|
|
int max_size_per_char = sizeof(Char) == 1 ? 2 : 3;
|
|
int writable_length =
|
|
(remaining_capacity - max_size_per_char)/max_size_per_char;
|
|
// Need to drop into slow loop.
|
|
if (writable_length <= 0) break;
|
|
fast_length = i + writable_length;
|
|
if (fast_length > length) fast_length = length;
|
|
}
|
|
// Write the characters to the stream.
|
|
if (sizeof(Char) == 1) {
|
|
for (; i < fast_length; i++) {
|
|
buffer +=
|
|
Utf8::EncodeOneByte(buffer, static_cast<uint8_t>(*chars++));
|
|
ASSERT(capacity_ == -1 || (buffer - start_) <= capacity_);
|
|
}
|
|
} else {
|
|
for (; i < fast_length; i++) {
|
|
uint16_t character = *chars++;
|
|
buffer += Utf8::Encode(buffer, character, last_character);
|
|
last_character = character;
|
|
ASSERT(capacity_ == -1 || (buffer - start_) <= capacity_);
|
|
}
|
|
}
|
|
// Array is fully written. Exit.
|
|
if (fast_length == length) {
|
|
// Write state back out to object.
|
|
last_character_ = last_character;
|
|
buffer_ = buffer;
|
|
utf16_chars_read_ += length;
|
|
return;
|
|
}
|
|
}
|
|
ASSERT(!skip_capacity_check_);
|
|
// Slow loop. Must check capacity on each iteration.
|
|
int remaining_capacity = capacity_ - static_cast<int>(buffer - start_);
|
|
ASSERT(remaining_capacity >= 0);
|
|
for (; i < length && remaining_capacity > 0; i++) {
|
|
uint16_t character = *chars++;
|
|
int written = WriteEndCharacter(character,
|
|
last_character,
|
|
remaining_capacity,
|
|
buffer);
|
|
if (written == 0) {
|
|
early_termination_ = true;
|
|
break;
|
|
}
|
|
buffer += written;
|
|
remaining_capacity -= written;
|
|
last_character = character;
|
|
}
|
|
// Write state back out to object.
|
|
last_character_ = last_character;
|
|
buffer_ = buffer;
|
|
utf16_chars_read_ += i;
|
|
}
|
|
|
|
inline bool IsDone() {
|
|
return early_termination_;
|
|
}
|
|
|
|
inline void VisitOneByteString(const uint8_t* chars, int length) {
|
|
Visit(chars, length);
|
|
}
|
|
|
|
inline void VisitTwoByteString(const uint16_t* chars, int length) {
|
|
Visit(chars, length);
|
|
}
|
|
|
|
int CompleteWrite(bool write_null, int* utf16_chars_read_out) {
|
|
// Write out number of utf16 characters written to the stream.
|
|
if (utf16_chars_read_out != NULL) {
|
|
*utf16_chars_read_out = utf16_chars_read_;
|
|
}
|
|
// Only null terminate if all of the string was written and there's space.
|
|
if (write_null &&
|
|
!early_termination_ &&
|
|
(capacity_ == -1 || (buffer_ - start_) < capacity_)) {
|
|
*buffer_++ = '\0';
|
|
}
|
|
return static_cast<int>(buffer_ - start_);
|
|
}
|
|
|
|
private:
|
|
bool early_termination_;
|
|
int last_character_;
|
|
char* buffer_;
|
|
char* const start_;
|
|
int capacity_;
|
|
bool const skip_capacity_check_;
|
|
int utf16_chars_read_;
|
|
DISALLOW_IMPLICIT_CONSTRUCTORS(Utf8WriterVisitor);
|
|
};
|
|
|
|
|
|
static bool RecursivelySerializeToUtf8(i::String* current,
|
|
Utf8WriterVisitor* writer,
|
|
int recursion_budget) {
|
|
while (!writer->IsDone()) {
|
|
i::ConsString* cons_string = i::String::VisitFlat(writer, current);
|
|
if (cons_string == NULL) return true; // Leaf node.
|
|
if (recursion_budget <= 0) return false;
|
|
// Must write the left branch first.
|
|
i::String* first = cons_string->first();
|
|
bool success = RecursivelySerializeToUtf8(first,
|
|
writer,
|
|
recursion_budget - 1);
|
|
if (!success) return false;
|
|
// Inline tail recurse for right branch.
|
|
current = cons_string->second();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
int String::WriteUtf8(char* buffer,
|
|
int capacity,
|
|
int* nchars_ref,
|
|
int options) const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::WriteUtf8()")) return 0;
|
|
LOG_API(isolate, "String::WriteUtf8");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (options & HINT_MANY_WRITES_EXPECTED) {
|
|
FlattenString(str); // Flatten the string for efficiency.
|
|
}
|
|
const int string_length = str->length();
|
|
bool write_null = !(options & NO_NULL_TERMINATION);
|
|
// First check if we can just write the string without checking capacity.
|
|
if (capacity == -1 || capacity / 3 >= string_length) {
|
|
Utf8WriterVisitor writer(buffer, capacity, true);
|
|
const int kMaxRecursion = 100;
|
|
bool success = RecursivelySerializeToUtf8(*str, &writer, kMaxRecursion);
|
|
if (success) return writer.CompleteWrite(write_null, nchars_ref);
|
|
} else if (capacity >= string_length) {
|
|
// First check that the buffer is large enough.
|
|
int utf8_bytes = v8::Utf8Length(*str, str->GetIsolate());
|
|
if (utf8_bytes <= capacity) {
|
|
// ASCII fast path.
|
|
if (utf8_bytes == string_length) {
|
|
WriteOneByte(reinterpret_cast<uint8_t*>(buffer), 0, capacity, options);
|
|
if (nchars_ref != NULL) *nchars_ref = string_length;
|
|
if (write_null && (utf8_bytes+1 <= capacity)) {
|
|
return string_length + 1;
|
|
}
|
|
return string_length;
|
|
}
|
|
if (write_null && (utf8_bytes+1 > capacity)) {
|
|
options |= NO_NULL_TERMINATION;
|
|
}
|
|
// Recurse once without a capacity limit.
|
|
// This will get into the first branch above.
|
|
// TODO(dcarney) Check max left rec. in Utf8Length and fall through.
|
|
return WriteUtf8(buffer, -1, nchars_ref, options);
|
|
}
|
|
}
|
|
// Recursive slow path can potentially be unreasonable slow. Flatten.
|
|
str = FlattenGetString(str);
|
|
Utf8WriterVisitor writer(buffer, capacity, false);
|
|
i::String::VisitFlat(&writer, *str);
|
|
return writer.CompleteWrite(write_null, nchars_ref);
|
|
}
|
|
|
|
|
|
int String::WriteAscii(char* buffer,
|
|
int start,
|
|
int length,
|
|
int options) const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::WriteAscii()")) return 0;
|
|
LOG_API(isolate, "String::WriteAscii");
|
|
ENTER_V8(isolate);
|
|
ASSERT(start >= 0 && length >= -1);
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
isolate->string_tracker()->RecordWrite(str);
|
|
if (options & HINT_MANY_WRITES_EXPECTED) {
|
|
FlattenString(str); // Flatten the string for efficiency.
|
|
}
|
|
|
|
int end = length;
|
|
if ((length == -1) || (length > str->length() - start)) {
|
|
end = str->length() - start;
|
|
}
|
|
if (end < 0) return 0;
|
|
i::StringCharacterStream write_stream(*str, isolate->write_iterator(), start);
|
|
int i;
|
|
for (i = 0; i < end; i++) {
|
|
char c = static_cast<char>(write_stream.GetNext());
|
|
if (c == '\0' && !(options & PRESERVE_ASCII_NULL)) c = ' ';
|
|
buffer[i] = c;
|
|
}
|
|
if (!(options & NO_NULL_TERMINATION) && (length == -1 || i < length)) {
|
|
buffer[i] = '\0';
|
|
}
|
|
return i;
|
|
}
|
|
|
|
|
|
template<typename CharType>
|
|
static inline int WriteHelper(const String* string,
|
|
CharType* buffer,
|
|
int start,
|
|
int length,
|
|
int options) {
|
|
i::Isolate* isolate = Utils::OpenHandle(string)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::Write()")) return 0;
|
|
LOG_API(isolate, "String::Write");
|
|
ENTER_V8(isolate);
|
|
ASSERT(start >= 0 && length >= -1);
|
|
i::Handle<i::String> str = Utils::OpenHandle(string);
|
|
isolate->string_tracker()->RecordWrite(str);
|
|
if (options & String::HINT_MANY_WRITES_EXPECTED) {
|
|
// Flatten the string for efficiency. This applies whether we are
|
|
// using StringCharacterStream or Get(i) to access the characters.
|
|
FlattenString(str);
|
|
}
|
|
int end = start + length;
|
|
if ((length == -1) || (length > str->length() - start) )
|
|
end = str->length();
|
|
if (end < 0) return 0;
|
|
i::String::WriteToFlat(*str, buffer, start, end);
|
|
if (!(options & String::NO_NULL_TERMINATION) &&
|
|
(length == -1 || end - start < length)) {
|
|
buffer[end - start] = '\0';
|
|
}
|
|
return end - start;
|
|
}
|
|
|
|
|
|
int String::WriteOneByte(uint8_t* buffer,
|
|
int start,
|
|
int length,
|
|
int options) const {
|
|
return WriteHelper(this, buffer, start, length, options);
|
|
}
|
|
|
|
|
|
int String::Write(uint16_t* buffer,
|
|
int start,
|
|
int length,
|
|
int options) const {
|
|
return WriteHelper(this, buffer, start, length, options);
|
|
}
|
|
|
|
|
|
bool v8::String::IsExternal() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternal()")) {
|
|
return false;
|
|
}
|
|
EnsureInitializedForIsolate(str->GetIsolate(), "v8::String::IsExternal()");
|
|
return i::StringShape(*str).IsExternalTwoByte();
|
|
}
|
|
|
|
|
|
bool v8::String::IsExternalAscii() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(), "v8::String::IsExternalAscii()")) {
|
|
return false;
|
|
}
|
|
return i::StringShape(*str).IsExternalAscii();
|
|
}
|
|
|
|
|
|
void v8::String::VerifyExternalStringResource(
|
|
v8::String::ExternalStringResource* value) const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
const v8::String::ExternalStringResource* expected;
|
|
if (i::StringShape(*str).IsExternalTwoByte()) {
|
|
const void* resource =
|
|
i::Handle<i::ExternalTwoByteString>::cast(str)->resource();
|
|
expected = reinterpret_cast<const ExternalStringResource*>(resource);
|
|
} else {
|
|
expected = NULL;
|
|
}
|
|
CHECK_EQ(expected, value);
|
|
}
|
|
|
|
void v8::String::VerifyExternalStringResourceBase(
|
|
v8::String::ExternalStringResourceBase* value, Encoding encoding) const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
const v8::String::ExternalStringResourceBase* expected;
|
|
Encoding expectedEncoding;
|
|
if (i::StringShape(*str).IsExternalAscii()) {
|
|
const void* resource =
|
|
i::Handle<i::ExternalAsciiString>::cast(str)->resource();
|
|
expected = reinterpret_cast<const ExternalStringResourceBase*>(resource);
|
|
expectedEncoding = ASCII_ENCODING;
|
|
} else if (i::StringShape(*str).IsExternalTwoByte()) {
|
|
const void* resource =
|
|
i::Handle<i::ExternalTwoByteString>::cast(str)->resource();
|
|
expected = reinterpret_cast<const ExternalStringResourceBase*>(resource);
|
|
expectedEncoding = TWO_BYTE_ENCODING;
|
|
} else {
|
|
expected = NULL;
|
|
expectedEncoding = str->IsOneByteRepresentation() ? ASCII_ENCODING
|
|
: TWO_BYTE_ENCODING;
|
|
}
|
|
CHECK_EQ(expected, value);
|
|
CHECK_EQ(expectedEncoding, encoding);
|
|
}
|
|
|
|
const v8::String::ExternalAsciiStringResource*
|
|
v8::String::GetExternalAsciiStringResource() const {
|
|
i::Handle<i::String> str = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(str->GetIsolate(),
|
|
"v8::String::GetExternalAsciiStringResource()")) {
|
|
return NULL;
|
|
}
|
|
if (i::StringShape(*str).IsExternalAscii()) {
|
|
const void* resource =
|
|
i::Handle<i::ExternalAsciiString>::cast(str)->resource();
|
|
return reinterpret_cast<const ExternalAsciiStringResource*>(resource);
|
|
} else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
|
|
Local<Value> Symbol::Name() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Symbol::Name()"))
|
|
return Local<Value>();
|
|
i::Handle<i::Symbol> sym = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> name(sym->name(), sym->GetIsolate());
|
|
return Utils::ToLocal(name);
|
|
}
|
|
|
|
|
|
double Number::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Number::Value()")) return 0;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->Number();
|
|
}
|
|
|
|
|
|
bool Boolean::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Boolean::Value()")) return false;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
return obj->IsTrue();
|
|
}
|
|
|
|
|
|
int64_t Integer::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Integer::Value()")) return 0;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
return i::Smi::cast(*obj)->value();
|
|
} else {
|
|
return static_cast<int64_t>(obj->Number());
|
|
}
|
|
}
|
|
|
|
|
|
int32_t Int32::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Int32::Value()")) return 0;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
return i::Smi::cast(*obj)->value();
|
|
} else {
|
|
return static_cast<int32_t>(obj->Number());
|
|
}
|
|
}
|
|
|
|
|
|
uint32_t Uint32::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::Uint32::Value()")) return 0;
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
if (obj->IsSmi()) {
|
|
return i::Smi::cast(*obj)->value();
|
|
} else {
|
|
return static_cast<uint32_t>(obj->Number());
|
|
}
|
|
}
|
|
|
|
|
|
int v8::Object::InternalFieldCount() {
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
if (IsDeadCheck(obj->GetIsolate(), "v8::Object::InternalFieldCount()")) {
|
|
return 0;
|
|
}
|
|
return obj->GetInternalFieldCount();
|
|
}
|
|
|
|
|
|
static bool InternalFieldOK(i::Handle<i::JSObject> obj,
|
|
int index,
|
|
const char* location) {
|
|
return !IsDeadCheck(obj->GetIsolate(), location) &&
|
|
ApiCheck(index < obj->GetInternalFieldCount(),
|
|
location,
|
|
"Internal field out of bounds");
|
|
}
|
|
|
|
|
|
Local<Value> v8::Object::SlowGetInternalField(int index) {
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
const char* location = "v8::Object::GetInternalField()";
|
|
if (!InternalFieldOK(obj, index, location)) return Local<Value>();
|
|
i::Handle<i::Object> value(obj->GetInternalField(index), obj->GetIsolate());
|
|
return Utils::ToLocal(value);
|
|
}
|
|
|
|
|
|
void v8::Object::SetInternalField(int index, v8::Handle<Value> value) {
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
const char* location = "v8::Object::SetInternalField()";
|
|
if (!InternalFieldOK(obj, index, location)) return;
|
|
i::Handle<i::Object> val = Utils::OpenHandle(*value);
|
|
obj->SetInternalField(index, *val);
|
|
ASSERT_EQ(value, GetInternalField(index));
|
|
}
|
|
|
|
|
|
void* v8::Object::SlowGetAlignedPointerFromInternalField(int index) {
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
const char* location = "v8::Object::GetAlignedPointerFromInternalField()";
|
|
if (!InternalFieldOK(obj, index, location)) return NULL;
|
|
return DecodeSmiToAligned(obj->GetInternalField(index), location);
|
|
}
|
|
|
|
|
|
void v8::Object::SetAlignedPointerInInternalField(int index, void* value) {
|
|
i::Handle<i::JSObject> obj = Utils::OpenHandle(this);
|
|
const char* location = "v8::Object::SetAlignedPointerInInternalField()";
|
|
if (!InternalFieldOK(obj, index, location)) return;
|
|
obj->SetInternalField(index, EncodeAlignedAsSmi(value, location));
|
|
ASSERT_EQ(value, GetAlignedPointerFromInternalField(index));
|
|
}
|
|
|
|
|
|
static void* ExternalValue(i::Object* obj) {
|
|
// Obscure semantics for undefined, but somehow checked in our unit tests...
|
|
if (obj->IsUndefined()) return NULL;
|
|
i::Object* foreign = i::JSObject::cast(obj)->GetInternalField(0);
|
|
return i::Foreign::cast(foreign)->foreign_address();
|
|
}
|
|
|
|
|
|
// --- E n v i r o n m e n t ---
|
|
|
|
|
|
bool v8::V8::Initialize() {
|
|
i::Isolate* isolate = i::Isolate::UncheckedCurrent();
|
|
if (isolate != NULL && isolate->IsInitialized()) {
|
|
return true;
|
|
}
|
|
return InitializeHelper(isolate);
|
|
}
|
|
|
|
|
|
void v8::V8::SetEntropySource(EntropySource entropy_source) {
|
|
i::RandomNumberGenerator::SetEntropySource(entropy_source);
|
|
}
|
|
|
|
|
|
void v8::V8::SetReturnAddressLocationResolver(
|
|
ReturnAddressLocationResolver return_address_resolver) {
|
|
i::V8::SetReturnAddressLocationResolver(return_address_resolver);
|
|
}
|
|
|
|
|
|
bool v8::V8::SetFunctionEntryHook(FunctionEntryHook entry_hook) {
|
|
return SetFunctionEntryHook(Isolate::GetCurrent(), entry_hook);
|
|
}
|
|
|
|
|
|
bool v8::V8::SetFunctionEntryHook(Isolate* ext_isolate,
|
|
FunctionEntryHook entry_hook) {
|
|
ASSERT(ext_isolate != NULL);
|
|
ASSERT(entry_hook != NULL);
|
|
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(ext_isolate);
|
|
|
|
// The entry hook can only be set before the Isolate is initialized, as
|
|
// otherwise the Isolate's code stubs generated at initialization won't
|
|
// contain entry hooks.
|
|
if (isolate->IsInitialized())
|
|
return false;
|
|
|
|
// Setting an entry hook is a one-way operation, once set, it cannot be
|
|
// changed or unset.
|
|
if (isolate->function_entry_hook() != NULL)
|
|
return false;
|
|
|
|
isolate->set_function_entry_hook(entry_hook);
|
|
return true;
|
|
}
|
|
|
|
|
|
void v8::V8::SetJitCodeEventHandler(
|
|
JitCodeEventOptions options, JitCodeEventHandler event_handler) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
// Ensure that logging is initialized for our isolate.
|
|
isolate->InitializeLoggingAndCounters();
|
|
isolate->logger()->SetCodeEventHandler(options, event_handler);
|
|
}
|
|
|
|
void v8::V8::SetArrayBufferAllocator(
|
|
ArrayBuffer::Allocator* allocator) {
|
|
if (!ApiCheck(i::V8::ArrayBufferAllocator() == NULL,
|
|
"v8::V8::SetArrayBufferAllocator",
|
|
"ArrayBufferAllocator might only be set once"))
|
|
return;
|
|
i::V8::SetArrayBufferAllocator(allocator);
|
|
}
|
|
|
|
|
|
bool v8::V8::Dispose() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!ApiCheck(isolate != NULL && isolate->IsDefaultIsolate(),
|
|
"v8::V8::Dispose()",
|
|
"Use v8::Isolate::Dispose() for a non-default isolate.")) {
|
|
return false;
|
|
}
|
|
i::V8::TearDown();
|
|
return true;
|
|
}
|
|
|
|
|
|
HeapStatistics::HeapStatistics(): total_heap_size_(0),
|
|
total_heap_size_executable_(0),
|
|
total_physical_size_(0),
|
|
used_heap_size_(0),
|
|
heap_size_limit_(0) { }
|
|
|
|
|
|
void v8::V8::GetHeapStatistics(HeapStatistics* heap_statistics) {
|
|
i::Isolate* isolate = i::Isolate::UncheckedCurrent();
|
|
if (isolate == NULL || !isolate->IsInitialized()) {
|
|
// Isolate is unitialized thus heap is not configured yet.
|
|
heap_statistics->total_heap_size_ = 0;
|
|
heap_statistics->total_heap_size_executable_ = 0;
|
|
heap_statistics->total_physical_size_ = 0;
|
|
heap_statistics->used_heap_size_ = 0;
|
|
heap_statistics->heap_size_limit_ = 0;
|
|
return;
|
|
}
|
|
Isolate* ext_isolate = reinterpret_cast<Isolate*>(isolate);
|
|
return ext_isolate->GetHeapStatistics(heap_statistics);
|
|
}
|
|
|
|
|
|
void v8::V8::VisitExternalResources(ExternalResourceVisitor* visitor) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::V8::VisitExternalResources");
|
|
isolate->heap()->VisitExternalResources(visitor);
|
|
}
|
|
|
|
|
|
class VisitorAdapter : public i::ObjectVisitor {
|
|
public:
|
|
explicit VisitorAdapter(PersistentHandleVisitor* visitor)
|
|
: visitor_(visitor) {}
|
|
virtual void VisitPointers(i::Object** start, i::Object** end) {
|
|
UNREACHABLE();
|
|
}
|
|
virtual void VisitEmbedderReference(i::Object** p, uint16_t class_id) {
|
|
Value* value = ToApi<Value>(i::Handle<i::Object>(p));
|
|
visitor_->VisitPersistentHandle(
|
|
reinterpret_cast<Persistent<Value>*>(&value), class_id);
|
|
}
|
|
private:
|
|
PersistentHandleVisitor* visitor_;
|
|
};
|
|
|
|
|
|
void v8::V8::VisitHandlesWithClassIds(PersistentHandleVisitor* visitor) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::V8::VisitHandlesWithClassId");
|
|
|
|
i::DisallowHeapAllocation no_allocation;
|
|
|
|
VisitorAdapter visitor_adapter(visitor);
|
|
isolate->global_handles()->IterateAllRootsWithClassIds(&visitor_adapter);
|
|
}
|
|
|
|
|
|
void v8::V8::VisitHandlesForPartialDependence(
|
|
Isolate* exported_isolate, PersistentHandleVisitor* visitor) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(exported_isolate);
|
|
ASSERT(isolate == i::Isolate::Current());
|
|
IsDeadCheck(isolate, "v8::V8::VisitHandlesForPartialDependence");
|
|
|
|
i::DisallowHeapAllocation no_allocation;
|
|
|
|
VisitorAdapter visitor_adapter(visitor);
|
|
isolate->global_handles()->IterateAllRootsInNewSpaceWithClassIds(
|
|
&visitor_adapter);
|
|
}
|
|
|
|
|
|
bool v8::V8::IdleNotification(int hint) {
|
|
// Returning true tells the caller that it need not
|
|
// continue to call IdleNotification.
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (isolate == NULL || !isolate->IsInitialized()) return true;
|
|
if (!i::FLAG_use_idle_notification) return true;
|
|
return isolate->heap()->IdleNotification(hint);
|
|
}
|
|
|
|
|
|
void v8::V8::LowMemoryNotification() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (isolate == NULL || !isolate->IsInitialized()) return;
|
|
isolate->heap()->CollectAllAvailableGarbage("low memory notification");
|
|
}
|
|
|
|
|
|
int v8::V8::ContextDisposedNotification() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!isolate->IsInitialized()) return 0;
|
|
return isolate->heap()->NotifyContextDisposed();
|
|
}
|
|
|
|
|
|
bool v8::V8::InitializeICU() {
|
|
return i::InitializeICU();
|
|
}
|
|
|
|
|
|
const char* v8::V8::GetVersion() {
|
|
return i::Version::GetVersion();
|
|
}
|
|
|
|
|
|
static i::Handle<i::Context> CreateEnvironment(
|
|
i::Isolate* isolate,
|
|
v8::ExtensionConfiguration* extensions,
|
|
v8::Handle<ObjectTemplate> global_template,
|
|
v8::Handle<Value> global_object) {
|
|
i::Handle<i::Context> env;
|
|
|
|
// Enter V8 via an ENTER_V8 scope.
|
|
{
|
|
ENTER_V8(isolate);
|
|
v8::Handle<ObjectTemplate> proxy_template = global_template;
|
|
i::Handle<i::FunctionTemplateInfo> proxy_constructor;
|
|
i::Handle<i::FunctionTemplateInfo> global_constructor;
|
|
|
|
if (!global_template.IsEmpty()) {
|
|
// Make sure that the global_template has a constructor.
|
|
global_constructor = EnsureConstructor(*global_template);
|
|
|
|
// Create a fresh template for the global proxy object.
|
|
proxy_template = ObjectTemplate::New();
|
|
proxy_constructor = EnsureConstructor(*proxy_template);
|
|
|
|
// Set the global template to be the prototype template of
|
|
// global proxy template.
|
|
proxy_constructor->set_prototype_template(
|
|
*Utils::OpenHandle(*global_template));
|
|
|
|
// Migrate security handlers from global_template to
|
|
// proxy_template. Temporarily removing access check
|
|
// information from the global template.
|
|
if (!global_constructor->access_check_info()->IsUndefined()) {
|
|
proxy_constructor->set_access_check_info(
|
|
global_constructor->access_check_info());
|
|
proxy_constructor->set_needs_access_check(
|
|
global_constructor->needs_access_check());
|
|
global_constructor->set_needs_access_check(false);
|
|
global_constructor->set_access_check_info(
|
|
isolate->heap()->undefined_value());
|
|
}
|
|
}
|
|
|
|
// Create the environment.
|
|
env = isolate->bootstrapper()->CreateEnvironment(
|
|
Utils::OpenHandle(*global_object, true),
|
|
proxy_template,
|
|
extensions);
|
|
|
|
// Restore the access check info on the global template.
|
|
if (!global_template.IsEmpty()) {
|
|
ASSERT(!global_constructor.is_null());
|
|
ASSERT(!proxy_constructor.is_null());
|
|
global_constructor->set_access_check_info(
|
|
proxy_constructor->access_check_info());
|
|
global_constructor->set_needs_access_check(
|
|
proxy_constructor->needs_access_check());
|
|
}
|
|
isolate->runtime_profiler()->Reset();
|
|
}
|
|
// Leave V8.
|
|
|
|
return env;
|
|
}
|
|
|
|
Local<Context> v8::Context::New(
|
|
v8::Isolate* external_isolate,
|
|
v8::ExtensionConfiguration* extensions,
|
|
v8::Handle<ObjectTemplate> global_template,
|
|
v8::Handle<Value> global_object) {
|
|
i::Isolate::EnsureDefaultIsolate();
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(external_isolate);
|
|
EnsureInitializedForIsolate(isolate, "v8::Context::New()");
|
|
LOG_API(isolate, "Context::New");
|
|
ON_BAILOUT(isolate, "v8::Context::New()", return Local<Context>());
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::Context> env =
|
|
CreateEnvironment(isolate, extensions, global_template, global_object);
|
|
if (env.is_null()) return Local<Context>();
|
|
return Utils::ToLocal(scope.CloseAndEscape(env));
|
|
}
|
|
|
|
|
|
void v8::Context::SetSecurityToken(Handle<Value> token) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::SetSecurityToken()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
i::Handle<i::Object> token_handle = Utils::OpenHandle(*token);
|
|
env->set_security_token(*token_handle);
|
|
}
|
|
|
|
|
|
void v8::Context::UseDefaultSecurityToken() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate,
|
|
"v8::Context::UseDefaultSecurityToken()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
env->set_security_token(env->global_object());
|
|
}
|
|
|
|
|
|
Handle<Value> v8::Context::GetSecurityToken() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::GetSecurityToken()")) {
|
|
return Handle<Value>();
|
|
}
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
i::Object* security_token = env->security_token();
|
|
i::Handle<i::Object> token_handle(security_token, isolate);
|
|
return Utils::ToLocal(token_handle);
|
|
}
|
|
|
|
|
|
bool Context::HasOutOfMemoryException() {
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
return env->has_out_of_memory();
|
|
}
|
|
|
|
|
|
bool Context::InContext() {
|
|
return i::Isolate::Current()->context() != NULL;
|
|
}
|
|
|
|
|
|
v8::Isolate* Context::GetIsolate() {
|
|
i::Handle<i::Context> env = Utils::OpenHandle(this);
|
|
return reinterpret_cast<Isolate*>(env->GetIsolate());
|
|
}
|
|
|
|
|
|
v8::Local<v8::Context> Context::GetEntered() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::Context::GetEntered()")) {
|
|
return Local<Context>();
|
|
}
|
|
i::Handle<i::Object> last =
|
|
isolate->handle_scope_implementer()->LastEnteredContext();
|
|
if (last.is_null()) return Local<Context>();
|
|
i::Handle<i::Context> context = i::Handle<i::Context>::cast(last);
|
|
return Utils::ToLocal(context);
|
|
}
|
|
|
|
|
|
v8::Local<v8::Context> Context::GetCurrent() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::GetCurrent()")) {
|
|
return Local<Context>();
|
|
}
|
|
return reinterpret_cast<Isolate*>(isolate)->GetCurrentContext();
|
|
}
|
|
|
|
|
|
v8::Local<v8::Context> Context::GetCalling() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::GetCalling()")) {
|
|
return Local<Context>();
|
|
}
|
|
i::Handle<i::Object> calling =
|
|
isolate->GetCallingNativeContext();
|
|
if (calling.is_null()) return Local<Context>();
|
|
i::Handle<i::Context> context = i::Handle<i::Context>::cast(calling);
|
|
return Utils::ToLocal(context);
|
|
}
|
|
|
|
|
|
v8::Local<v8::Object> Context::Global() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::Global()")) {
|
|
return Local<v8::Object>();
|
|
}
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
i::Handle<i::Object> global(context->global_proxy(), isolate);
|
|
return Utils::ToLocal(i::Handle<i::JSObject>::cast(global));
|
|
}
|
|
|
|
|
|
void Context::DetachGlobal() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::DetachGlobal()")) return;
|
|
ENTER_V8(isolate);
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
isolate->bootstrapper()->DetachGlobal(context);
|
|
}
|
|
|
|
|
|
void Context::ReattachGlobal(Handle<Object> global_object) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::ReattachGlobal()")) return;
|
|
ENTER_V8(isolate);
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
i::Handle<i::JSGlobalProxy> global_proxy =
|
|
i::Handle<i::JSGlobalProxy>::cast(Utils::OpenHandle(*global_object));
|
|
isolate->bootstrapper()->ReattachGlobal(context, global_proxy);
|
|
}
|
|
|
|
|
|
void Context::AllowCodeGenerationFromStrings(bool allow) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Context::AllowCodeGenerationFromStrings()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
context->set_allow_code_gen_from_strings(
|
|
allow ? isolate->heap()->true_value() : isolate->heap()->false_value());
|
|
}
|
|
|
|
|
|
bool Context::IsCodeGenerationFromStringsAllowed() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate,
|
|
"v8::Context::IsCodeGenerationFromStringsAllowed()")) {
|
|
return false;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
return !context->allow_code_gen_from_strings()->IsFalse();
|
|
}
|
|
|
|
|
|
void Context::SetErrorMessageForCodeGenerationFromStrings(
|
|
Handle<String> error) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate,
|
|
"v8::Context::SetErrorMessageForCodeGenerationFromStrings()")) {
|
|
return;
|
|
}
|
|
ENTER_V8(isolate);
|
|
i::Object** ctx = reinterpret_cast<i::Object**>(this);
|
|
i::Handle<i::Context> context =
|
|
i::Handle<i::Context>::cast(i::Handle<i::Object>(ctx));
|
|
i::Handle<i::String> error_handle = Utils::OpenHandle(*error);
|
|
context->set_error_message_for_code_gen_from_strings(*error_handle);
|
|
}
|
|
|
|
|
|
Local<v8::Object> ObjectTemplate::NewInstance() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::ObjectTemplate::NewInstance()",
|
|
return Local<v8::Object>());
|
|
LOG_API(isolate, "ObjectTemplate::NewInstance");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj =
|
|
i::Execution::InstantiateObject(Utils::OpenHandle(this),
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Object>());
|
|
return Utils::ToLocal(i::Handle<i::JSObject>::cast(obj));
|
|
}
|
|
|
|
|
|
Local<v8::Function> FunctionTemplate::GetFunction() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::FunctionTemplate::GetFunction()",
|
|
return Local<v8::Function>());
|
|
LOG_API(isolate, "FunctionTemplate::GetFunction");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj =
|
|
i::Execution::InstantiateFunction(Utils::OpenHandle(this),
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Function>());
|
|
return Utils::ToLocal(i::Handle<i::JSFunction>::cast(obj));
|
|
}
|
|
|
|
|
|
bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) {
|
|
ON_BAILOUT(i::Isolate::Current(), "v8::FunctionTemplate::HasInstanceOf()",
|
|
return false);
|
|
i::Object* obj = *Utils::OpenHandle(*value);
|
|
return obj->IsInstanceOf(*Utils::OpenHandle(this));
|
|
}
|
|
|
|
|
|
Local<External> v8::External::New(void* value) {
|
|
STATIC_ASSERT(sizeof(value) == sizeof(i::Address));
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::External::New()");
|
|
LOG_API(isolate, "External::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> external = isolate->factory()->NewExternal(value);
|
|
return Utils::ExternalToLocal(external);
|
|
}
|
|
|
|
|
|
void* External::Value() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::External::Value()")) return NULL;
|
|
return ExternalValue(*Utils::OpenHandle(this));
|
|
}
|
|
|
|
|
|
Local<String> v8::String::Empty() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!EnsureInitializedForIsolate(isolate, "v8::String::Empty()")) {
|
|
return v8::Local<String>();
|
|
}
|
|
LOG_API(isolate, "String::Empty()");
|
|
return Utils::ToLocal(isolate->factory()->empty_string());
|
|
}
|
|
|
|
|
|
// anonymous namespace for string creation helper functions
|
|
namespace {
|
|
|
|
inline int StringLength(const char* string) {
|
|
return i::StrLength(string);
|
|
}
|
|
|
|
|
|
inline int StringLength(const uint8_t* string) {
|
|
return i::StrLength(reinterpret_cast<const char*>(string));
|
|
}
|
|
|
|
|
|
inline int StringLength(const uint16_t* string) {
|
|
int length = 0;
|
|
while (string[length] != '\0')
|
|
length++;
|
|
return length;
|
|
}
|
|
|
|
|
|
inline i::Handle<i::String> NewString(i::Factory* factory,
|
|
String::NewStringType type,
|
|
i::Vector<const char> string) {
|
|
if (type ==String::kInternalizedString) {
|
|
return factory->InternalizeUtf8String(string);
|
|
}
|
|
return factory->NewStringFromUtf8(string);
|
|
}
|
|
|
|
|
|
inline i::Handle<i::String> NewString(i::Factory* factory,
|
|
String::NewStringType type,
|
|
i::Vector<const uint8_t> string) {
|
|
if (type == String::kInternalizedString) {
|
|
return factory->InternalizeOneByteString(string);
|
|
}
|
|
return factory->NewStringFromOneByte(string);
|
|
}
|
|
|
|
|
|
inline i::Handle<i::String> NewString(i::Factory* factory,
|
|
String::NewStringType type,
|
|
i::Vector<const uint16_t> string) {
|
|
if (type == String::kInternalizedString) {
|
|
return factory->InternalizeTwoByteString(string);
|
|
}
|
|
return factory->NewStringFromTwoByte(string);
|
|
}
|
|
|
|
|
|
template<typename Char>
|
|
inline Local<String> NewString(Isolate* v8_isolate,
|
|
const char* location,
|
|
const char* env,
|
|
const Char* data,
|
|
String::NewStringType type,
|
|
int length) {
|
|
i::Isolate* isolate = reinterpret_cast<internal::Isolate*>(v8_isolate);
|
|
EnsureInitializedForIsolate(isolate, location);
|
|
LOG_API(isolate, env);
|
|
if (length == 0 && type != String::kUndetectableString) {
|
|
return String::Empty();
|
|
}
|
|
ENTER_V8(isolate);
|
|
if (length == -1) length = StringLength(data);
|
|
i::Handle<i::String> result = NewString(
|
|
isolate->factory(), type, i::Vector<const Char>(data, length));
|
|
if (type == String::kUndetectableString) {
|
|
result->MarkAsUndetectable();
|
|
}
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
|
|
Local<String> String::NewFromUtf8(Isolate* isolate,
|
|
const char* data,
|
|
NewStringType type,
|
|
int length) {
|
|
return NewString(isolate,
|
|
"v8::String::NewFromUtf8()",
|
|
"String::NewFromUtf8",
|
|
data,
|
|
type,
|
|
length);
|
|
}
|
|
|
|
|
|
Local<String> String::NewFromOneByte(Isolate* isolate,
|
|
const uint8_t* data,
|
|
NewStringType type,
|
|
int length) {
|
|
return NewString(isolate,
|
|
"v8::String::NewFromOneByte()",
|
|
"String::NewFromOneByte",
|
|
data,
|
|
type,
|
|
length);
|
|
}
|
|
|
|
|
|
Local<String> String::NewFromTwoByte(Isolate* isolate,
|
|
const uint16_t* data,
|
|
NewStringType type,
|
|
int length) {
|
|
return NewString(isolate,
|
|
"v8::String::NewFromTwoByte()",
|
|
"String::NewFromTwoByte",
|
|
data,
|
|
type,
|
|
length);
|
|
}
|
|
|
|
|
|
Local<String> v8::String::Concat(Handle<String> left, Handle<String> right) {
|
|
i::Handle<i::String> left_string = Utils::OpenHandle(*left);
|
|
i::Isolate* isolate = left_string->GetIsolate();
|
|
EnsureInitializedForIsolate(isolate, "v8::String::New()");
|
|
LOG_API(isolate, "String::New(char)");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::String> right_string = Utils::OpenHandle(*right);
|
|
i::Handle<i::String> result = isolate->factory()->NewConsString(left_string,
|
|
right_string);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
i::Handle<i::String> NewExternalStringHandle(i::Isolate* isolate,
|
|
v8::String::ExternalStringResource* resource) {
|
|
i::Handle<i::String> result =
|
|
isolate->factory()->NewExternalStringFromTwoByte(resource);
|
|
return result;
|
|
}
|
|
|
|
|
|
i::Handle<i::String> NewExternalAsciiStringHandle(i::Isolate* isolate,
|
|
v8::String::ExternalAsciiStringResource* resource) {
|
|
i::Handle<i::String> result =
|
|
isolate->factory()->NewExternalStringFromAscii(resource);
|
|
return result;
|
|
}
|
|
|
|
|
|
bool RedirectToExternalString(i::Isolate* isolate,
|
|
i::Handle<i::String> parent,
|
|
i::Handle<i::String> external) {
|
|
if (parent->IsConsString()) {
|
|
i::Handle<i::ConsString> cons = i::Handle<i::ConsString>::cast(parent);
|
|
cons->set_first(*external);
|
|
cons->set_second(isolate->heap()->empty_string());
|
|
} else {
|
|
ASSERT(parent->IsSlicedString());
|
|
i::Handle<i::SlicedString> slice = i::Handle<i::SlicedString>::cast(parent);
|
|
slice->set_parent(*external);
|
|
slice->set_offset(0);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
Local<String> v8::String::NewExternal(
|
|
v8::String::ExternalStringResource* resource) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()");
|
|
LOG_API(isolate, "String::NewExternal");
|
|
ENTER_V8(isolate);
|
|
CHECK(resource && resource->data());
|
|
i::Handle<i::String> result = NewExternalStringHandle(isolate, resource);
|
|
isolate->heap()->external_string_table()->AddString(*result);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
bool v8::String::MakeExternal(v8::String::ExternalStringResource* resource) {
|
|
i::Handle<i::String> obj = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = obj->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false;
|
|
if (i::StringShape(*obj).IsExternalTwoByte()) {
|
|
return false; // Already an external string.
|
|
}
|
|
ENTER_V8(isolate);
|
|
if (isolate->string_tracker()->IsFreshUnusedString(obj)) {
|
|
return false;
|
|
}
|
|
if (isolate->heap()->IsInGCPostProcessing()) {
|
|
return false;
|
|
}
|
|
CHECK(resource && resource->data());
|
|
|
|
bool result;
|
|
i::Handle<i::String> external;
|
|
if (isolate->heap()->old_pointer_space()->Contains(*obj)) {
|
|
// We do not allow external strings in the old pointer space. Instead of
|
|
// converting the string in-place, we keep the cons/sliced string and
|
|
// point it to a newly-allocated external string.
|
|
external = NewExternalStringHandle(isolate, resource);
|
|
result = RedirectToExternalString(isolate, obj, external);
|
|
} else {
|
|
result = obj->MakeExternal(resource);
|
|
external = obj;
|
|
}
|
|
|
|
ASSERT(external->IsExternalString());
|
|
if (result && !external->IsInternalizedString()) {
|
|
isolate->heap()->external_string_table()->AddString(*external);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
Local<String> v8::String::NewExternal(
|
|
v8::String::ExternalAsciiStringResource* resource) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::String::NewExternal()");
|
|
LOG_API(isolate, "String::NewExternal");
|
|
ENTER_V8(isolate);
|
|
CHECK(resource && resource->data());
|
|
i::Handle<i::String> result = NewExternalAsciiStringHandle(isolate, resource);
|
|
isolate->heap()->external_string_table()->AddString(*result);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
bool v8::String::MakeExternal(
|
|
v8::String::ExternalAsciiStringResource* resource) {
|
|
i::Handle<i::String> obj = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = obj->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::MakeExternal()")) return false;
|
|
if (i::StringShape(*obj).IsExternalTwoByte()) {
|
|
return false; // Already an external string.
|
|
}
|
|
ENTER_V8(isolate);
|
|
if (isolate->string_tracker()->IsFreshUnusedString(obj)) {
|
|
return false;
|
|
}
|
|
if (isolate->heap()->IsInGCPostProcessing()) {
|
|
return false;
|
|
}
|
|
CHECK(resource && resource->data());
|
|
|
|
bool result;
|
|
i::Handle<i::String> external;
|
|
if (isolate->heap()->old_pointer_space()->Contains(*obj)) {
|
|
// We do not allow external strings in the old pointer space. Instead of
|
|
// converting the string in-place, we keep the cons/sliced string and
|
|
// point it to a newly-allocated external string.
|
|
external = NewExternalAsciiStringHandle(isolate, resource);
|
|
result = RedirectToExternalString(isolate, obj, external);
|
|
} else {
|
|
result = obj->MakeExternal(resource);
|
|
external = obj;
|
|
}
|
|
|
|
ASSERT(external->IsExternalString());
|
|
if (result && !external->IsInternalizedString()) {
|
|
isolate->heap()->external_string_table()->AddString(*external);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
bool v8::String::CanMakeExternal() {
|
|
if (!internal::FLAG_clever_optimizations) return false;
|
|
i::Handle<i::String> obj = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = obj->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::String::CanMakeExternal()")) return false;
|
|
if (isolate->string_tracker()->IsFreshUnusedString(obj)) return false;
|
|
int size = obj->Size(); // Byte size of the original string.
|
|
if (size < i::ExternalString::kShortSize) return false;
|
|
i::StringShape shape(*obj);
|
|
return !shape.IsExternal();
|
|
}
|
|
|
|
|
|
Local<v8::Object> v8::Object::New() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Object::New()");
|
|
LOG_API(isolate, "Object::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> obj =
|
|
isolate->factory()->NewJSObject(isolate->object_function());
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<v8::Value> v8::NumberObject::New(double value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::NumberObject::New()");
|
|
LOG_API(isolate, "NumberObject::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> number = isolate->factory()->NewNumber(value);
|
|
i::Handle<i::Object> obj = isolate->factory()->ToObject(number);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
double v8::NumberObject::ValueOf() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::NumberObject::NumberValue()")) return 0;
|
|
LOG_API(isolate, "NumberObject::NumberValue");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
|
|
return jsvalue->value()->Number();
|
|
}
|
|
|
|
|
|
Local<v8::Value> v8::BooleanObject::New(bool value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::BooleanObject::New()");
|
|
LOG_API(isolate, "BooleanObject::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> boolean(value
|
|
? isolate->heap()->true_value()
|
|
: isolate->heap()->false_value(),
|
|
isolate);
|
|
i::Handle<i::Object> obj = isolate->factory()->ToObject(boolean);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
bool v8::BooleanObject::ValueOf() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::BooleanObject::BooleanValue()")) return 0;
|
|
LOG_API(isolate, "BooleanObject::BooleanValue");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
|
|
return jsvalue->value()->IsTrue();
|
|
}
|
|
|
|
|
|
Local<v8::Value> v8::StringObject::New(Handle<String> value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::StringObject::New()");
|
|
LOG_API(isolate, "StringObject::New");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> obj =
|
|
isolate->factory()->ToObject(Utils::OpenHandle(*value));
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<v8::String> v8::StringObject::ValueOf() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::StringObject::StringValue()")) {
|
|
return Local<v8::String>();
|
|
}
|
|
LOG_API(isolate, "StringObject::StringValue");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
|
|
return Utils::ToLocal(
|
|
i::Handle<i::String>(i::String::cast(jsvalue->value())));
|
|
}
|
|
|
|
|
|
Local<v8::Value> v8::SymbolObject::New(Isolate* isolate, Handle<Symbol> value) {
|
|
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
EnsureInitializedForIsolate(i_isolate, "v8::SymbolObject::New()");
|
|
LOG_API(i_isolate, "SymbolObject::New");
|
|
ENTER_V8(i_isolate);
|
|
i::Handle<i::Object> obj =
|
|
i_isolate->factory()->ToObject(Utils::OpenHandle(*value));
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<v8::Symbol> v8::SymbolObject::ValueOf() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::SymbolObject::SymbolValue()"))
|
|
return Local<v8::Symbol>();
|
|
LOG_API(isolate, "SymbolObject::SymbolValue");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
|
|
return Utils::ToLocal(
|
|
i::Handle<i::Symbol>(i::Symbol::cast(jsvalue->value())));
|
|
}
|
|
|
|
|
|
Local<v8::Value> v8::Date::New(double time) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Date::New()");
|
|
LOG_API(isolate, "Date::New");
|
|
if (std::isnan(time)) {
|
|
// Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
|
|
time = i::OS::nan_value();
|
|
}
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::Object> obj =
|
|
i::Execution::NewDate(isolate, time, &has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::Value>());
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
double v8::Date::ValueOf() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::Date::NumberValue()")) return 0;
|
|
LOG_API(isolate, "Date::NumberValue");
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSDate> jsdate = i::Handle<i::JSDate>::cast(obj);
|
|
return jsdate->value()->Number();
|
|
}
|
|
|
|
|
|
void v8::Date::DateTimeConfigurationChangeNotification() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Date::DateTimeConfigurationChangeNotification()",
|
|
return);
|
|
LOG_API(isolate, "Date::DateTimeConfigurationChangeNotification");
|
|
ENTER_V8(isolate);
|
|
|
|
isolate->date_cache()->ResetDateCache();
|
|
|
|
i::HandleScope scope(isolate);
|
|
// Get the function ResetDateCache (defined in date.js).
|
|
i::Handle<i::String> func_name_str =
|
|
isolate->factory()->InternalizeOneByteString(
|
|
STATIC_ASCII_VECTOR("ResetDateCache"));
|
|
i::MaybeObject* result =
|
|
isolate->js_builtins_object()->GetProperty(*func_name_str);
|
|
i::Object* object_func;
|
|
if (!result->ToObject(&object_func)) {
|
|
return;
|
|
}
|
|
|
|
if (object_func->IsJSFunction()) {
|
|
i::Handle<i::JSFunction> func =
|
|
i::Handle<i::JSFunction>(i::JSFunction::cast(object_func));
|
|
|
|
// Call ResetDateCache(0 but expect no exceptions:
|
|
bool caught_exception = false;
|
|
i::Execution::TryCall(func,
|
|
isolate->js_builtins_object(),
|
|
0,
|
|
NULL,
|
|
&caught_exception);
|
|
}
|
|
}
|
|
|
|
|
|
static i::Handle<i::String> RegExpFlagsToString(RegExp::Flags flags) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
uint8_t flags_buf[3];
|
|
int num_flags = 0;
|
|
if ((flags & RegExp::kGlobal) != 0) flags_buf[num_flags++] = 'g';
|
|
if ((flags & RegExp::kMultiline) != 0) flags_buf[num_flags++] = 'm';
|
|
if ((flags & RegExp::kIgnoreCase) != 0) flags_buf[num_flags++] = 'i';
|
|
ASSERT(num_flags <= static_cast<int>(ARRAY_SIZE(flags_buf)));
|
|
return isolate->factory()->InternalizeOneByteString(
|
|
i::Vector<const uint8_t>(flags_buf, num_flags));
|
|
}
|
|
|
|
|
|
Local<v8::RegExp> v8::RegExp::New(Handle<String> pattern,
|
|
Flags flags) {
|
|
i::Isolate* isolate = Utils::OpenHandle(*pattern)->GetIsolate();
|
|
EnsureInitializedForIsolate(isolate, "v8::RegExp::New()");
|
|
LOG_API(isolate, "RegExp::New");
|
|
ENTER_V8(isolate);
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
i::Handle<i::JSRegExp> obj = i::Execution::NewJSRegExp(
|
|
Utils::OpenHandle(*pattern),
|
|
RegExpFlagsToString(flags),
|
|
&has_pending_exception);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<v8::RegExp>());
|
|
return Utils::ToLocal(i::Handle<i::JSRegExp>::cast(obj));
|
|
}
|
|
|
|
|
|
Local<v8::String> v8::RegExp::GetSource() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::RegExp::GetSource()")) {
|
|
return Local<v8::String>();
|
|
}
|
|
i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this);
|
|
return Utils::ToLocal(i::Handle<i::String>(obj->Pattern()));
|
|
}
|
|
|
|
|
|
// Assert that the static flags cast in GetFlags is valid.
|
|
#define REGEXP_FLAG_ASSERT_EQ(api_flag, internal_flag) \
|
|
STATIC_ASSERT(static_cast<int>(v8::RegExp::api_flag) == \
|
|
static_cast<int>(i::JSRegExp::internal_flag))
|
|
REGEXP_FLAG_ASSERT_EQ(kNone, NONE);
|
|
REGEXP_FLAG_ASSERT_EQ(kGlobal, GLOBAL);
|
|
REGEXP_FLAG_ASSERT_EQ(kIgnoreCase, IGNORE_CASE);
|
|
REGEXP_FLAG_ASSERT_EQ(kMultiline, MULTILINE);
|
|
#undef REGEXP_FLAG_ASSERT_EQ
|
|
|
|
v8::RegExp::Flags v8::RegExp::GetFlags() const {
|
|
if (IsDeadCheck(i::Isolate::Current(), "v8::RegExp::GetFlags()")) {
|
|
return v8::RegExp::kNone;
|
|
}
|
|
i::Handle<i::JSRegExp> obj = Utils::OpenHandle(this);
|
|
return static_cast<RegExp::Flags>(obj->GetFlags().value());
|
|
}
|
|
|
|
|
|
Local<v8::Array> v8::Array::New(int length) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Array::New()");
|
|
LOG_API(isolate, "Array::New");
|
|
ENTER_V8(isolate);
|
|
int real_length = length > 0 ? length : 0;
|
|
i::Handle<i::JSArray> obj = isolate->factory()->NewJSArray(real_length);
|
|
i::Handle<i::Object> length_obj =
|
|
isolate->factory()->NewNumberFromInt(real_length);
|
|
obj->set_length(*length_obj);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
uint32_t v8::Array::Length() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::Array::Length()")) return 0;
|
|
i::Handle<i::JSArray> obj = Utils::OpenHandle(this);
|
|
i::Object* length = obj->length();
|
|
if (length->IsSmi()) {
|
|
return i::Smi::cast(length)->value();
|
|
} else {
|
|
return static_cast<uint32_t>(length->Number());
|
|
}
|
|
}
|
|
|
|
|
|
Local<Object> Array::CloneElementAt(uint32_t index) {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
ON_BAILOUT(isolate, "v8::Array::CloneElementAt()", return Local<Object>());
|
|
i::Handle<i::JSObject> self = Utils::OpenHandle(this);
|
|
if (!self->HasFastObjectElements()) {
|
|
return Local<Object>();
|
|
}
|
|
i::FixedArray* elms = i::FixedArray::cast(self->elements());
|
|
i::Object* paragon = elms->get(index);
|
|
if (!paragon->IsJSObject()) {
|
|
return Local<Object>();
|
|
}
|
|
i::Handle<i::JSObject> paragon_handle(i::JSObject::cast(paragon));
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSObject> result = i::Copy(paragon_handle);
|
|
has_pending_exception = result.is_null();
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Object>());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
bool v8::ArrayBuffer::IsExternal() const {
|
|
return Utils::OpenHandle(this)->is_external();
|
|
}
|
|
|
|
|
|
v8::ArrayBuffer::Contents v8::ArrayBuffer::Externalize() {
|
|
i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this);
|
|
ApiCheck(!obj->is_external(),
|
|
"v8::ArrayBuffer::Externalize",
|
|
"ArrayBuffer already externalized");
|
|
obj->set_is_external(true);
|
|
size_t byte_length = static_cast<size_t>(obj->byte_length()->Number());
|
|
Contents contents;
|
|
contents.data_ = obj->backing_store();
|
|
contents.byte_length_ = byte_length;
|
|
return contents;
|
|
}
|
|
|
|
|
|
void v8::ArrayBuffer::Neuter() {
|
|
i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this);
|
|
i::Isolate* isolate = obj->GetIsolate();
|
|
ApiCheck(obj->is_external(),
|
|
"v8::ArrayBuffer::Neuter",
|
|
"Only externalized ArrayBuffers can be neutered");
|
|
LOG_API(obj->GetIsolate(), "v8::ArrayBuffer::Neuter()");
|
|
ENTER_V8(isolate);
|
|
|
|
for (i::Handle<i::Object> view_obj(obj->weak_first_view(), isolate);
|
|
!view_obj->IsUndefined();) {
|
|
i::Handle<i::JSArrayBufferView> view(i::JSArrayBufferView::cast(*view_obj));
|
|
if (view->IsJSTypedArray()) {
|
|
i::JSTypedArray::cast(*view)->Neuter();
|
|
} else if (view->IsJSDataView()) {
|
|
i::JSDataView::cast(*view)->Neuter();
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
view_obj = i::handle(view->weak_next(), isolate);
|
|
}
|
|
obj->Neuter();
|
|
}
|
|
|
|
|
|
size_t v8::ArrayBuffer::ByteLength() const {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::ArrayBuffer::ByteLength()")) return 0;
|
|
i::Handle<i::JSArrayBuffer> obj = Utils::OpenHandle(this);
|
|
return static_cast<size_t>(obj->byte_length()->Number());
|
|
}
|
|
|
|
|
|
Local<ArrayBuffer> v8::ArrayBuffer::New(size_t byte_length) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::ArrayBuffer::New(size_t)");
|
|
LOG_API(isolate, "v8::ArrayBuffer::New(size_t)");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSArrayBuffer> obj =
|
|
isolate->factory()->NewJSArrayBuffer();
|
|
i::Runtime::SetupArrayBufferAllocatingData(isolate, obj, byte_length);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<ArrayBuffer> v8::ArrayBuffer::New(void* data, size_t byte_length) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::ArrayBuffer::New(void*, size_t)");
|
|
LOG_API(isolate, "v8::ArrayBuffer::New(void*, size_t)");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSArrayBuffer> obj =
|
|
isolate->factory()->NewJSArrayBuffer();
|
|
i::Runtime::SetupArrayBuffer(isolate, obj, true, data, byte_length);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<ArrayBuffer> v8::ArrayBufferView::Buffer() {
|
|
i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this);
|
|
ASSERT(obj->buffer()->IsJSArrayBuffer());
|
|
i::Handle<i::JSArrayBuffer> buffer(i::JSArrayBuffer::cast(obj->buffer()));
|
|
return Utils::ToLocal(buffer);
|
|
}
|
|
|
|
|
|
size_t v8::ArrayBufferView::ByteOffset() {
|
|
i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this);
|
|
return static_cast<size_t>(obj->byte_offset()->Number());
|
|
}
|
|
|
|
|
|
size_t v8::ArrayBufferView::ByteLength() {
|
|
i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this);
|
|
return static_cast<size_t>(obj->byte_length()->Number());
|
|
}
|
|
|
|
|
|
void* v8::ArrayBufferView::BaseAddress() {
|
|
i::Handle<i::JSArrayBufferView> obj = Utils::OpenHandle(this);
|
|
i::Handle<i::JSArrayBuffer> buffer(i::JSArrayBuffer::cast(obj->buffer()));
|
|
void* buffer_data = buffer->backing_store();
|
|
size_t byte_offset = static_cast<size_t>(obj->byte_offset()->Number());
|
|
return static_cast<uint8_t*>(buffer_data) + byte_offset;
|
|
}
|
|
|
|
|
|
size_t v8::TypedArray::Length() {
|
|
i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
|
|
if (IsDeadCheck(isolate, "v8::TypedArray::Length()")) return 0;
|
|
i::Handle<i::JSTypedArray> obj = Utils::OpenHandle(this);
|
|
return static_cast<size_t>(obj->length()->Number());
|
|
}
|
|
|
|
|
|
static inline void SetupArrayBufferView(
|
|
i::Isolate* isolate,
|
|
i::Handle<i::JSArrayBufferView> obj,
|
|
i::Handle<i::JSArrayBuffer> buffer,
|
|
size_t byte_offset,
|
|
size_t byte_length) {
|
|
ASSERT(byte_offset + byte_length <=
|
|
static_cast<size_t>(buffer->byte_length()->Number()));
|
|
|
|
obj->set_buffer(*buffer);
|
|
|
|
obj->set_weak_next(buffer->weak_first_view());
|
|
buffer->set_weak_first_view(*obj);
|
|
|
|
i::Handle<i::Object> byte_offset_object =
|
|
isolate->factory()->NewNumberFromSize(byte_offset);
|
|
obj->set_byte_offset(*byte_offset_object);
|
|
|
|
i::Handle<i::Object> byte_length_object =
|
|
isolate->factory()->NewNumberFromSize(byte_length);
|
|
obj->set_byte_length(*byte_length_object);
|
|
}
|
|
|
|
template<typename ElementType,
|
|
ExternalArrayType array_type,
|
|
i::ElementsKind elements_kind>
|
|
i::Handle<i::JSTypedArray> NewTypedArray(
|
|
i::Isolate* isolate,
|
|
Handle<ArrayBuffer> array_buffer, size_t byte_offset, size_t length) {
|
|
i::Handle<i::JSTypedArray> obj =
|
|
isolate->factory()->NewJSTypedArray(array_type);
|
|
i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer);
|
|
|
|
ASSERT(byte_offset % sizeof(ElementType) == 0);
|
|
|
|
SetupArrayBufferView(
|
|
isolate, obj, buffer, byte_offset, length * sizeof(ElementType));
|
|
|
|
i::Handle<i::Object> length_object =
|
|
isolate->factory()->NewNumberFromSize(length);
|
|
obj->set_length(*length_object);
|
|
|
|
i::Handle<i::ExternalArray> elements =
|
|
isolate->factory()->NewExternalArray(
|
|
static_cast<int>(length), array_type,
|
|
static_cast<uint8_t*>(buffer->backing_store()) + byte_offset);
|
|
obj->set_elements(*elements);
|
|
return obj;
|
|
}
|
|
|
|
|
|
#define TYPED_ARRAY_NEW(TypedArray, element_type, array_type, elements_kind) \
|
|
Local<TypedArray> TypedArray::New(Handle<ArrayBuffer> array_buffer, \
|
|
size_t byte_offset, size_t length) { \
|
|
i::Isolate* isolate = i::Isolate::Current(); \
|
|
EnsureInitializedForIsolate(isolate, \
|
|
"v8::" #TypedArray "::New(Handle<ArrayBuffer>, size_t, size_t)"); \
|
|
LOG_API(isolate, \
|
|
"v8::" #TypedArray "::New(Handle<ArrayBuffer>, size_t, size_t)"); \
|
|
ENTER_V8(isolate); \
|
|
i::Handle<i::JSTypedArray> obj = \
|
|
NewTypedArray<element_type, array_type, elements_kind>( \
|
|
isolate, array_buffer, byte_offset, length); \
|
|
return Utils::ToLocal##TypedArray(obj); \
|
|
}
|
|
|
|
|
|
TYPED_ARRAY_NEW(Uint8Array, uint8_t, kExternalUnsignedByteArray,
|
|
i::EXTERNAL_UNSIGNED_BYTE_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Uint8ClampedArray, uint8_t, kExternalPixelArray,
|
|
i::EXTERNAL_PIXEL_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Int8Array, int8_t, kExternalByteArray,
|
|
i::EXTERNAL_BYTE_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Uint16Array, uint16_t, kExternalUnsignedShortArray,
|
|
i::EXTERNAL_UNSIGNED_SHORT_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Int16Array, int16_t, kExternalShortArray,
|
|
i::EXTERNAL_SHORT_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Uint32Array, uint32_t, kExternalUnsignedIntArray,
|
|
i::EXTERNAL_UNSIGNED_INT_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Int32Array, int32_t, kExternalIntArray,
|
|
i::EXTERNAL_INT_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Float32Array, float, kExternalFloatArray,
|
|
i::EXTERNAL_FLOAT_ELEMENTS)
|
|
TYPED_ARRAY_NEW(Float64Array, double, kExternalDoubleArray,
|
|
i::EXTERNAL_DOUBLE_ELEMENTS)
|
|
|
|
#undef TYPED_ARRAY_NEW
|
|
|
|
Local<DataView> DataView::New(Handle<ArrayBuffer> array_buffer,
|
|
size_t byte_offset, size_t byte_length) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(
|
|
isolate, "v8::DataView::New(void*, size_t, size_t)");
|
|
LOG_API(isolate, "v8::DataView::New(void*, size_t, size_t)");
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::JSDataView> obj = isolate->factory()->NewJSDataView();
|
|
i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer);
|
|
SetupArrayBufferView(
|
|
isolate, obj, buffer, byte_offset, byte_length);
|
|
return Utils::ToLocal(obj);
|
|
}
|
|
|
|
|
|
Local<Symbol> v8::Symbol::New(Isolate* isolate) {
|
|
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
EnsureInitializedForIsolate(i_isolate, "v8::Symbol::New()");
|
|
LOG_API(i_isolate, "Symbol::New()");
|
|
ENTER_V8(i_isolate);
|
|
i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol();
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Symbol> v8::Symbol::New(Isolate* isolate, const char* data, int length) {
|
|
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
EnsureInitializedForIsolate(i_isolate, "v8::Symbol::New()");
|
|
LOG_API(i_isolate, "Symbol::New(char)");
|
|
ENTER_V8(i_isolate);
|
|
if (length == -1) length = i::StrLength(data);
|
|
i::Handle<i::String> name = i_isolate->factory()->NewStringFromUtf8(
|
|
i::Vector<const char>(data, length));
|
|
i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol();
|
|
result->set_name(*name);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Number> v8::Number::New(double value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Number::New()");
|
|
return Number::New(reinterpret_cast<Isolate*>(isolate), value);
|
|
}
|
|
|
|
|
|
Local<Number> v8::Number::New(Isolate* isolate, double value) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
ASSERT(internal_isolate->IsInitialized());
|
|
if (std::isnan(value)) {
|
|
// Introduce only canonical NaN value into the VM, to avoid signaling NaNs.
|
|
value = i::OS::nan_value();
|
|
}
|
|
ENTER_V8(internal_isolate);
|
|
i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value);
|
|
return Utils::NumberToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Integer> v8::Integer::New(int32_t value) {
|
|
i::Isolate* isolate = i::Isolate::UncheckedCurrent();
|
|
EnsureInitializedForIsolate(isolate, "v8::Integer::New()");
|
|
return v8::Integer::New(value, reinterpret_cast<Isolate*>(isolate));
|
|
}
|
|
|
|
|
|
Local<Integer> Integer::NewFromUnsigned(uint32_t value) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Integer::NewFromUnsigned()");
|
|
return Integer::NewFromUnsigned(value, reinterpret_cast<Isolate*>(isolate));
|
|
}
|
|
|
|
|
|
Local<Integer> v8::Integer::New(int32_t value, Isolate* isolate) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
ASSERT(internal_isolate->IsInitialized());
|
|
if (i::Smi::IsValid(value)) {
|
|
return Utils::IntegerToLocal(i::Handle<i::Object>(i::Smi::FromInt(value),
|
|
internal_isolate));
|
|
}
|
|
ENTER_V8(internal_isolate);
|
|
i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value);
|
|
return Utils::IntegerToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Integer> v8::Integer::NewFromUnsigned(uint32_t value, Isolate* isolate) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
ASSERT(internal_isolate->IsInitialized());
|
|
bool fits_into_int32_t = (value & (1 << 31)) == 0;
|
|
if (fits_into_int32_t) {
|
|
return Integer::New(static_cast<int32_t>(value), isolate);
|
|
}
|
|
ENTER_V8(internal_isolate);
|
|
i::Handle<i::Object> result = internal_isolate->factory()->NewNumber(value);
|
|
return Utils::IntegerToLocal(result);
|
|
}
|
|
|
|
|
|
#ifdef DEBUG
|
|
v8::AssertNoGCScope::AssertNoGCScope(v8::Isolate* isolate) {
|
|
disallow_heap_allocation_ = new i::DisallowHeapAllocation();
|
|
}
|
|
|
|
|
|
v8::AssertNoGCScope::~AssertNoGCScope() {
|
|
delete static_cast<i::DisallowHeapAllocation*>(disallow_heap_allocation_);
|
|
}
|
|
#endif
|
|
|
|
|
|
void V8::IgnoreOutOfMemoryException() {
|
|
EnterIsolateIfNeeded()->set_ignore_out_of_memory(true);
|
|
}
|
|
|
|
|
|
bool V8::AddMessageListener(MessageCallback that, Handle<Value> data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::V8::AddMessageListener()");
|
|
ON_BAILOUT(isolate, "v8::V8::AddMessageListener()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
NeanderArray listeners(isolate->factory()->message_listeners());
|
|
NeanderObject obj(2);
|
|
obj.set(0, *isolate->factory()->NewForeign(FUNCTION_ADDR(that)));
|
|
obj.set(1, data.IsEmpty() ? isolate->heap()->undefined_value()
|
|
: *Utils::OpenHandle(*data));
|
|
listeners.add(obj.value());
|
|
return true;
|
|
}
|
|
|
|
|
|
void V8::RemoveMessageListeners(MessageCallback that) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::V8::RemoveMessageListener()");
|
|
ON_BAILOUT(isolate, "v8::V8::RemoveMessageListeners()", return);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
NeanderArray listeners(isolate->factory()->message_listeners());
|
|
for (int i = 0; i < listeners.length(); i++) {
|
|
if (listeners.get(i)->IsUndefined()) continue; // skip deleted ones
|
|
|
|
NeanderObject listener(i::JSObject::cast(listeners.get(i)));
|
|
i::Handle<i::Foreign> callback_obj(i::Foreign::cast(listener.get(0)));
|
|
if (callback_obj->foreign_address() == FUNCTION_ADDR(that)) {
|
|
listeners.set(i, isolate->heap()->undefined_value());
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void V8::SetCaptureStackTraceForUncaughtExceptions(
|
|
bool capture,
|
|
int frame_limit,
|
|
StackTrace::StackTraceOptions options) {
|
|
i::Isolate::Current()->SetCaptureStackTraceForUncaughtExceptions(
|
|
capture,
|
|
frame_limit,
|
|
options);
|
|
}
|
|
|
|
|
|
void V8::SetCounterFunction(CounterLookupCallback callback) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetCounterFunction()")) return;
|
|
isolate->stats_table()->SetCounterFunction(callback);
|
|
}
|
|
|
|
|
|
void V8::SetCreateHistogramFunction(CreateHistogramCallback callback) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetCreateHistogramFunction()")) return;
|
|
isolate->stats_table()->SetCreateHistogramFunction(callback);
|
|
isolate->InitializeLoggingAndCounters();
|
|
isolate->counters()->ResetHistograms();
|
|
}
|
|
|
|
|
|
void V8::SetAddHistogramSampleFunction(AddHistogramSampleCallback callback) {
|
|
i::Isolate* isolate = EnterIsolateIfNeeded();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetAddHistogramSampleFunction()")) return;
|
|
isolate->stats_table()->
|
|
SetAddHistogramSampleFunction(callback);
|
|
}
|
|
|
|
void V8::SetFailedAccessCheckCallbackFunction(
|
|
FailedAccessCheckCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetFailedAccessCheckCallbackFunction()")) {
|
|
return;
|
|
}
|
|
isolate->SetFailedAccessCheckCallback(callback);
|
|
}
|
|
|
|
|
|
intptr_t Isolate::AdjustAmountOfExternalAllocatedMemory(
|
|
intptr_t change_in_bytes) {
|
|
i::Heap* heap = reinterpret_cast<i::Isolate*>(this)->heap();
|
|
return heap->AdjustAmountOfExternalAllocatedMemory(change_in_bytes);
|
|
}
|
|
|
|
|
|
intptr_t V8::AdjustAmountOfExternalAllocatedMemory(intptr_t change_in_bytes) {
|
|
i::Isolate* isolate = i::Isolate::UncheckedCurrent();
|
|
if (isolate == NULL || !isolate->IsInitialized() ||
|
|
IsDeadCheck(isolate, "v8::V8::AdjustAmountOfExternalAllocatedMemory()")) {
|
|
return 0;
|
|
}
|
|
Isolate* isolate_ext = reinterpret_cast<Isolate*>(isolate);
|
|
return isolate_ext->AdjustAmountOfExternalAllocatedMemory(change_in_bytes);
|
|
}
|
|
|
|
|
|
HeapProfiler* Isolate::GetHeapProfiler() {
|
|
i::HeapProfiler* heap_profiler =
|
|
reinterpret_cast<i::Isolate*>(this)->heap_profiler();
|
|
return reinterpret_cast<HeapProfiler*>(heap_profiler);
|
|
}
|
|
|
|
|
|
CpuProfiler* Isolate::GetCpuProfiler() {
|
|
i::CpuProfiler* cpu_profiler =
|
|
reinterpret_cast<i::Isolate*>(this)->cpu_profiler();
|
|
return reinterpret_cast<CpuProfiler*>(cpu_profiler);
|
|
}
|
|
|
|
|
|
v8::Local<v8::Context> Isolate::GetCurrentContext() {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this);
|
|
i::Context* context = internal_isolate->context();
|
|
if (context == NULL) return Local<Context>();
|
|
i::Context* native_context = context->global_object()->native_context();
|
|
if (native_context == NULL) return Local<Context>();
|
|
return Utils::ToLocal(i::Handle<i::Context>(native_context));
|
|
}
|
|
|
|
|
|
void Isolate::SetObjectGroupId(const Persistent<Value>& object,
|
|
UniqueId id) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this);
|
|
internal_isolate->global_handles()->SetObjectGroupId(
|
|
Utils::OpenPersistent(object).location(),
|
|
id);
|
|
}
|
|
|
|
|
|
void Isolate::SetReferenceFromGroup(UniqueId id,
|
|
const Persistent<Value>& object) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this);
|
|
internal_isolate->global_handles()->SetReferenceFromGroup(
|
|
id,
|
|
Utils::OpenPersistent(object).location());
|
|
}
|
|
|
|
|
|
void Isolate::SetReference(const Persistent<Object>& parent,
|
|
const Persistent<Value>& child) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(this);
|
|
i::Object** parent_location = Utils::OpenPersistent(parent).location();
|
|
internal_isolate->global_handles()->SetReference(
|
|
reinterpret_cast<i::HeapObject**>(parent_location),
|
|
Utils::OpenPersistent(child).location());
|
|
}
|
|
|
|
|
|
void V8::SetGlobalGCPrologueCallback(GCCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetGlobalGCPrologueCallback()")) return;
|
|
isolate->heap()->SetGlobalGCPrologueCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::SetGlobalGCEpilogueCallback(GCCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::SetGlobalGCEpilogueCallback()")) return;
|
|
isolate->heap()->SetGlobalGCEpilogueCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::AddGCPrologueCallback(GCPrologueCallback callback, GCType gc_type) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::AddGCPrologueCallback()")) return;
|
|
isolate->heap()->AddGCPrologueCallback(callback, gc_type);
|
|
}
|
|
|
|
|
|
void V8::RemoveGCPrologueCallback(GCPrologueCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::RemoveGCPrologueCallback()")) return;
|
|
isolate->heap()->RemoveGCPrologueCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::AddGCEpilogueCallback(GCEpilogueCallback callback, GCType gc_type) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::AddGCEpilogueCallback()")) return;
|
|
isolate->heap()->AddGCEpilogueCallback(callback, gc_type);
|
|
}
|
|
|
|
|
|
void V8::RemoveGCEpilogueCallback(GCEpilogueCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::RemoveGCEpilogueCallback()")) return;
|
|
isolate->heap()->RemoveGCEpilogueCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::AddMemoryAllocationCallback(MemoryAllocationCallback callback,
|
|
ObjectSpace space,
|
|
AllocationAction action) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::AddMemoryAllocationCallback()")) return;
|
|
isolate->memory_allocator()->AddMemoryAllocationCallback(
|
|
callback, space, action);
|
|
}
|
|
|
|
|
|
void V8::RemoveMemoryAllocationCallback(MemoryAllocationCallback callback) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::RemoveMemoryAllocationCallback()")) return;
|
|
isolate->memory_allocator()->RemoveMemoryAllocationCallback(
|
|
callback);
|
|
}
|
|
|
|
|
|
void V8::AddCallCompletedCallback(CallCompletedCallback callback) {
|
|
if (callback == NULL) return;
|
|
i::Isolate::EnsureDefaultIsolate();
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::AddLeaveScriptCallback()")) return;
|
|
i::V8::AddCallCompletedCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::RemoveCallCompletedCallback(CallCompletedCallback callback) {
|
|
i::Isolate::EnsureDefaultIsolate();
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::V8::RemoveLeaveScriptCallback()")) return;
|
|
i::V8::RemoveCallCompletedCallback(callback);
|
|
}
|
|
|
|
|
|
void V8::TerminateExecution(Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
if (isolate != NULL) {
|
|
reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->TerminateExecution();
|
|
} else {
|
|
i::Isolate::GetDefaultIsolateStackGuard()->TerminateExecution();
|
|
}
|
|
}
|
|
|
|
|
|
bool V8::IsExecutionTerminating(Isolate* isolate) {
|
|
i::Isolate* i_isolate = isolate != NULL ?
|
|
reinterpret_cast<i::Isolate*>(isolate) : i::Isolate::Current();
|
|
return IsExecutionTerminatingCheck(i_isolate);
|
|
}
|
|
|
|
|
|
void V8::CancelTerminateExecution(Isolate* isolate) {
|
|
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
i_isolate->stack_guard()->CancelTerminateExecution();
|
|
}
|
|
|
|
|
|
Isolate* Isolate::GetCurrent() {
|
|
i::Isolate* isolate = i::Isolate::UncheckedCurrent();
|
|
return reinterpret_cast<Isolate*>(isolate);
|
|
}
|
|
|
|
|
|
Isolate* Isolate::New() {
|
|
i::Isolate* isolate = new i::Isolate();
|
|
return reinterpret_cast<Isolate*>(isolate);
|
|
}
|
|
|
|
|
|
void Isolate::Dispose() {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
|
|
if (!ApiCheck(!isolate->IsInUse(),
|
|
"v8::Isolate::Dispose()",
|
|
"Disposing the isolate that is entered by a thread.")) {
|
|
return;
|
|
}
|
|
isolate->TearDown();
|
|
}
|
|
|
|
|
|
void Isolate::Enter() {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
|
|
isolate->Enter();
|
|
}
|
|
|
|
|
|
void Isolate::Exit() {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
|
|
isolate->Exit();
|
|
}
|
|
|
|
|
|
void Isolate::GetHeapStatistics(HeapStatistics* heap_statistics) {
|
|
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
|
|
if (!isolate->IsInitialized()) {
|
|
heap_statistics->total_heap_size_ = 0;
|
|
heap_statistics->total_heap_size_executable_ = 0;
|
|
heap_statistics->total_physical_size_ = 0;
|
|
heap_statistics->used_heap_size_ = 0;
|
|
heap_statistics->heap_size_limit_ = 0;
|
|
return;
|
|
}
|
|
i::Heap* heap = isolate->heap();
|
|
heap_statistics->total_heap_size_ = heap->CommittedMemory();
|
|
heap_statistics->total_heap_size_executable_ =
|
|
heap->CommittedMemoryExecutable();
|
|
heap_statistics->total_physical_size_ = heap->CommittedPhysicalMemory();
|
|
heap_statistics->used_heap_size_ = heap->SizeOfObjects();
|
|
heap_statistics->heap_size_limit_ = heap->MaxReserved();
|
|
}
|
|
|
|
|
|
String::Utf8Value::Utf8Value(v8::Handle<v8::Value> obj)
|
|
: str_(NULL), length_(0) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::String::Utf8Value::Utf8Value()")) return;
|
|
if (obj.IsEmpty()) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
TryCatch try_catch;
|
|
Handle<String> str = obj->ToString();
|
|
if (str.IsEmpty()) return;
|
|
i::Handle<i::String> i_str = Utils::OpenHandle(*str);
|
|
length_ = v8::Utf8Length(*i_str, isolate);
|
|
str_ = i::NewArray<char>(length_ + 1);
|
|
str->WriteUtf8(str_);
|
|
}
|
|
|
|
|
|
String::Utf8Value::~Utf8Value() {
|
|
i::DeleteArray(str_);
|
|
}
|
|
|
|
|
|
String::AsciiValue::AsciiValue(v8::Handle<v8::Value> obj)
|
|
: str_(NULL), length_(0) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::String::AsciiValue::AsciiValue()")) return;
|
|
if (obj.IsEmpty()) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
TryCatch try_catch;
|
|
Handle<String> str = obj->ToString();
|
|
if (str.IsEmpty()) return;
|
|
length_ = str->Utf8Length();
|
|
str_ = i::NewArray<char>(length_ + 1);
|
|
str->WriteUtf8(str_);
|
|
ASSERT(i::String::NonAsciiStart(str_, length_) >= length_);
|
|
}
|
|
|
|
|
|
String::AsciiValue::~AsciiValue() {
|
|
i::DeleteArray(str_);
|
|
}
|
|
|
|
|
|
String::Value::Value(v8::Handle<v8::Value> obj)
|
|
: str_(NULL), length_(0) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (IsDeadCheck(isolate, "v8::String::Value::Value()")) return;
|
|
if (obj.IsEmpty()) return;
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
TryCatch try_catch;
|
|
Handle<String> str = obj->ToString();
|
|
if (str.IsEmpty()) return;
|
|
length_ = str->Length();
|
|
str_ = i::NewArray<uint16_t>(length_ + 1);
|
|
str->Write(str_);
|
|
}
|
|
|
|
|
|
String::Value::~Value() {
|
|
i::DeleteArray(str_);
|
|
}
|
|
|
|
|
|
Local<Value> Exception::RangeError(v8::Handle<v8::String> raw_message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "RangeError");
|
|
ON_BAILOUT(isolate, "v8::Exception::RangeError()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Object* error;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
|
|
i::Handle<i::Object> result = isolate->factory()->NewRangeError(message);
|
|
error = *result;
|
|
}
|
|
i::Handle<i::Object> result(error, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> Exception::ReferenceError(v8::Handle<v8::String> raw_message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "ReferenceError");
|
|
ON_BAILOUT(isolate, "v8::Exception::ReferenceError()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Object* error;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
|
|
i::Handle<i::Object> result =
|
|
isolate->factory()->NewReferenceError(message);
|
|
error = *result;
|
|
}
|
|
i::Handle<i::Object> result(error, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> Exception::SyntaxError(v8::Handle<v8::String> raw_message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "SyntaxError");
|
|
ON_BAILOUT(isolate, "v8::Exception::SyntaxError()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Object* error;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
|
|
i::Handle<i::Object> result = isolate->factory()->NewSyntaxError(message);
|
|
error = *result;
|
|
}
|
|
i::Handle<i::Object> result(error, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> Exception::TypeError(v8::Handle<v8::String> raw_message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "TypeError");
|
|
ON_BAILOUT(isolate, "v8::Exception::TypeError()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Object* error;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
|
|
i::Handle<i::Object> result = isolate->factory()->NewTypeError(message);
|
|
error = *result;
|
|
}
|
|
i::Handle<i::Object> result(error, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> Exception::Error(v8::Handle<v8::String> raw_message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
LOG_API(isolate, "Error");
|
|
ON_BAILOUT(isolate, "v8::Exception::Error()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Object* error;
|
|
{
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::String> message = Utils::OpenHandle(*raw_message);
|
|
i::Handle<i::Object> result = isolate->factory()->NewError(message);
|
|
error = *result;
|
|
}
|
|
i::Handle<i::Object> result(error, isolate);
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
// --- D e b u g S u p p o r t ---
|
|
|
|
#ifdef ENABLE_DEBUGGER_SUPPORT
|
|
|
|
bool Debug::SetDebugEventListener2(EventCallback2 that, Handle<Value> data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Debug::SetDebugEventListener2()");
|
|
ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener2()", return false);
|
|
ENTER_V8(isolate);
|
|
i::HandleScope scope(isolate);
|
|
i::Handle<i::Object> foreign = isolate->factory()->undefined_value();
|
|
if (that != NULL) {
|
|
foreign = isolate->factory()->NewForeign(FUNCTION_ADDR(that));
|
|
}
|
|
isolate->debugger()->SetEventListener(foreign,
|
|
Utils::OpenHandle(*data, true));
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Debug::SetDebugEventListener(v8::Handle<v8::Object> that,
|
|
Handle<Value> data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
ON_BAILOUT(isolate, "v8::Debug::SetDebugEventListener()", return false);
|
|
ENTER_V8(isolate);
|
|
isolate->debugger()->SetEventListener(Utils::OpenHandle(*that),
|
|
Utils::OpenHandle(*data, true));
|
|
return true;
|
|
}
|
|
|
|
|
|
void Debug::DebugBreak(Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
if (isolate != NULL) {
|
|
reinterpret_cast<i::Isolate*>(isolate)->stack_guard()->DebugBreak();
|
|
} else {
|
|
i::Isolate::GetDefaultIsolateStackGuard()->DebugBreak();
|
|
}
|
|
}
|
|
|
|
|
|
void Debug::CancelDebugBreak(Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
if (isolate != NULL) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
internal_isolate->stack_guard()->Continue(i::DEBUGBREAK);
|
|
} else {
|
|
i::Isolate::GetDefaultIsolateStackGuard()->Continue(i::DEBUGBREAK);
|
|
}
|
|
}
|
|
|
|
|
|
void Debug::DebugBreakForCommand(ClientData* data, Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
if (isolate != NULL) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
internal_isolate->debugger()->EnqueueDebugCommand(data);
|
|
} else {
|
|
i::Isolate::GetDefaultIsolateDebugger()->EnqueueDebugCommand(data);
|
|
}
|
|
}
|
|
|
|
|
|
void Debug::SetMessageHandler2(v8::Debug::MessageHandler2 handler) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Debug::SetMessageHandler");
|
|
ENTER_V8(isolate);
|
|
isolate->debugger()->SetMessageHandler(handler);
|
|
}
|
|
|
|
|
|
void Debug::SendCommand(const uint16_t* command, int length,
|
|
ClientData* client_data,
|
|
Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
if (isolate != NULL) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
internal_isolate->debugger()->ProcessCommand(
|
|
i::Vector<const uint16_t>(command, length), client_data);
|
|
} else {
|
|
i::Isolate::GetDefaultIsolateDebugger()->ProcessCommand(
|
|
i::Vector<const uint16_t>(command, length), client_data);
|
|
}
|
|
}
|
|
|
|
|
|
void Debug::SetHostDispatchHandler(HostDispatchHandler handler,
|
|
int period) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Debug::SetHostDispatchHandler");
|
|
ENTER_V8(isolate);
|
|
isolate->debugger()->SetHostDispatchHandler(
|
|
handler, i::TimeDelta::FromMilliseconds(period));
|
|
}
|
|
|
|
|
|
void Debug::SetDebugMessageDispatchHandler(
|
|
DebugMessageDispatchHandler handler, bool provide_locker) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate,
|
|
"v8::Debug::SetDebugMessageDispatchHandler");
|
|
ENTER_V8(isolate);
|
|
isolate->debugger()->SetDebugMessageDispatchHandler(
|
|
handler, provide_locker);
|
|
}
|
|
|
|
|
|
Local<Value> Debug::Call(v8::Handle<v8::Function> fun,
|
|
v8::Handle<v8::Value> data) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!isolate->IsInitialized()) return Local<Value>();
|
|
ON_BAILOUT(isolate, "v8::Debug::Call()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
i::Handle<i::Object> result;
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
if (data.IsEmpty()) {
|
|
result = isolate->debugger()->Call(Utils::OpenHandle(*fun),
|
|
isolate->factory()->undefined_value(),
|
|
&has_pending_exception);
|
|
} else {
|
|
result = isolate->debugger()->Call(Utils::OpenHandle(*fun),
|
|
Utils::OpenHandle(*data),
|
|
&has_pending_exception);
|
|
}
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
return Utils::ToLocal(result);
|
|
}
|
|
|
|
|
|
Local<Value> Debug::GetMirror(v8::Handle<v8::Value> obj) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (!isolate->IsInitialized()) return Local<Value>();
|
|
ON_BAILOUT(isolate, "v8::Debug::GetMirror()", return Local<Value>());
|
|
ENTER_V8(isolate);
|
|
v8::HandleScope scope(reinterpret_cast<Isolate*>(isolate));
|
|
i::Debug* isolate_debug = isolate->debug();
|
|
isolate_debug->Load();
|
|
i::Handle<i::JSObject> debug(isolate_debug->debug_context()->global_object());
|
|
i::Handle<i::String> name = isolate->factory()->InternalizeOneByteString(
|
|
STATIC_ASCII_VECTOR("MakeMirror"));
|
|
i::Handle<i::Object> fun_obj = i::GetProperty(isolate, debug, name);
|
|
i::Handle<i::JSFunction> fun = i::Handle<i::JSFunction>::cast(fun_obj);
|
|
v8::Handle<v8::Function> v8_fun = Utils::ToLocal(fun);
|
|
const int kArgc = 1;
|
|
v8::Handle<v8::Value> argv[kArgc] = { obj };
|
|
EXCEPTION_PREAMBLE(isolate);
|
|
v8::Handle<v8::Value> result = v8_fun->Call(Utils::ToLocal(debug),
|
|
kArgc,
|
|
argv);
|
|
EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
|
|
return scope.Close(result);
|
|
}
|
|
|
|
|
|
bool Debug::EnableAgent(const char* name, int port, bool wait_for_connection) {
|
|
return i::Isolate::Current()->debugger()->StartAgent(name, port,
|
|
wait_for_connection);
|
|
}
|
|
|
|
|
|
void Debug::DisableAgent() {
|
|
return i::Isolate::Current()->debugger()->StopAgent();
|
|
}
|
|
|
|
|
|
void Debug::ProcessDebugMessages() {
|
|
i::Execution::ProcessDebugMessages(i::Isolate::Current(), true);
|
|
}
|
|
|
|
|
|
Local<Context> Debug::GetDebugContext() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
EnsureInitializedForIsolate(isolate, "v8::Debug::GetDebugContext()");
|
|
ENTER_V8(isolate);
|
|
return Utils::ToLocal(i::Isolate::Current()->debugger()->GetDebugContext());
|
|
}
|
|
|
|
|
|
void Debug::SetLiveEditEnabled(bool enable, Isolate* isolate) {
|
|
// If no isolate is supplied, use the default isolate.
|
|
i::Debugger* debugger;
|
|
if (isolate != NULL) {
|
|
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
|
|
debugger = internal_isolate->debugger();
|
|
} else {
|
|
debugger = i::Isolate::GetDefaultIsolateDebugger();
|
|
}
|
|
debugger->set_live_edit_enabled(enable);
|
|
}
|
|
|
|
|
|
#endif // ENABLE_DEBUGGER_SUPPORT
|
|
|
|
|
|
Handle<String> CpuProfileNode::GetFunctionName() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::CpuProfileNode::GetFunctionName");
|
|
const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
|
|
const i::CodeEntry* entry = node->entry();
|
|
if (!entry->has_name_prefix()) {
|
|
return ToApiHandle<String>(
|
|
isolate->factory()->InternalizeUtf8String(entry->name()));
|
|
} else {
|
|
return ToApiHandle<String>(isolate->factory()->NewConsString(
|
|
isolate->factory()->InternalizeUtf8String(entry->name_prefix()),
|
|
isolate->factory()->InternalizeUtf8String(entry->name())));
|
|
}
|
|
}
|
|
|
|
|
|
int CpuProfileNode::GetScriptId() const {
|
|
const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
|
|
const i::CodeEntry* entry = node->entry();
|
|
return entry->script_id();
|
|
}
|
|
|
|
|
|
Handle<String> CpuProfileNode::GetScriptResourceName() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::CpuProfileNode::GetScriptResourceName");
|
|
const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
|
|
return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String(
|
|
node->entry()->resource_name()));
|
|
}
|
|
|
|
|
|
int CpuProfileNode::GetLineNumber() const {
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->entry()->line_number();
|
|
}
|
|
|
|
|
|
const char* CpuProfileNode::GetBailoutReason() const {
|
|
const i::ProfileNode* node = reinterpret_cast<const i::ProfileNode*>(this);
|
|
return node->entry()->bailout_reason();
|
|
}
|
|
|
|
|
|
double CpuProfileNode::GetSelfSamplesCount() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::CpuProfileNode::GetSelfSamplesCount");
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
|
|
}
|
|
|
|
|
|
unsigned CpuProfileNode::GetHitCount() const {
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->self_ticks();
|
|
}
|
|
|
|
|
|
unsigned CpuProfileNode::GetCallUid() const {
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->entry()->GetCallUid();
|
|
}
|
|
|
|
|
|
unsigned CpuProfileNode::GetNodeId() const {
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->id();
|
|
}
|
|
|
|
|
|
int CpuProfileNode::GetChildrenCount() const {
|
|
return reinterpret_cast<const i::ProfileNode*>(this)->children()->length();
|
|
}
|
|
|
|
|
|
const CpuProfileNode* CpuProfileNode::GetChild(int index) const {
|
|
const i::ProfileNode* child =
|
|
reinterpret_cast<const i::ProfileNode*>(this)->children()->at(index);
|
|
return reinterpret_cast<const CpuProfileNode*>(child);
|
|
}
|
|
|
|
|
|
void CpuProfile::Delete() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::CpuProfile::Delete");
|
|
i::CpuProfiler* profiler = isolate->cpu_profiler();
|
|
ASSERT(profiler != NULL);
|
|
profiler->DeleteProfile(reinterpret_cast<i::CpuProfile*>(this));
|
|
if (profiler->GetProfilesCount() == 0) {
|
|
// If this was the last profile, clean up all accessory data as well.
|
|
profiler->DeleteAllProfiles();
|
|
}
|
|
}
|
|
|
|
|
|
unsigned CpuProfile::GetUid() const {
|
|
return reinterpret_cast<const i::CpuProfile*>(this)->uid();
|
|
}
|
|
|
|
|
|
Handle<String> CpuProfile::GetTitle() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::CpuProfile::GetTitle");
|
|
const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
|
|
return ToApiHandle<String>(isolate->factory()->InternalizeUtf8String(
|
|
profile->title()));
|
|
}
|
|
|
|
|
|
const CpuProfileNode* CpuProfile::GetTopDownRoot() const {
|
|
const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
|
|
return reinterpret_cast<const CpuProfileNode*>(profile->top_down()->root());
|
|
}
|
|
|
|
|
|
const CpuProfileNode* CpuProfile::GetSample(int index) const {
|
|
const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
|
|
return reinterpret_cast<const CpuProfileNode*>(profile->sample(index));
|
|
}
|
|
|
|
|
|
int64_t CpuProfile::GetStartTime() const {
|
|
const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
|
|
return (profile->start_time() - i::Time::UnixEpoch()).InMicroseconds();
|
|
}
|
|
|
|
|
|
int64_t CpuProfile::GetEndTime() const {
|
|
const i::CpuProfile* profile = reinterpret_cast<const i::CpuProfile*>(this);
|
|
return (profile->end_time() - i::Time::UnixEpoch()).InMicroseconds();
|
|
}
|
|
|
|
|
|
int CpuProfile::GetSamplesCount() const {
|
|
return reinterpret_cast<const i::CpuProfile*>(this)->samples_count();
|
|
}
|
|
|
|
|
|
int CpuProfiler::GetProfileCount() {
|
|
return reinterpret_cast<i::CpuProfiler*>(this)->GetProfilesCount();
|
|
}
|
|
|
|
|
|
void CpuProfiler::SetSamplingInterval(int us) {
|
|
ASSERT(us >= 0);
|
|
return reinterpret_cast<i::CpuProfiler*>(this)->set_sampling_interval(
|
|
i::TimeDelta::FromMicroseconds(us));
|
|
}
|
|
|
|
|
|
const CpuProfile* CpuProfiler::GetCpuProfile(int index) {
|
|
return reinterpret_cast<const CpuProfile*>(
|
|
reinterpret_cast<i::CpuProfiler*>(this)->GetProfile(index));
|
|
}
|
|
|
|
|
|
void CpuProfiler::StartCpuProfiling(Handle<String> title, bool record_samples) {
|
|
reinterpret_cast<i::CpuProfiler*>(this)->StartProfiling(
|
|
*Utils::OpenHandle(*title), record_samples);
|
|
}
|
|
|
|
|
|
const CpuProfile* CpuProfiler::StopCpuProfiling(Handle<String> title) {
|
|
return reinterpret_cast<const CpuProfile*>(
|
|
reinterpret_cast<i::CpuProfiler*>(this)->StopProfiling(
|
|
*Utils::OpenHandle(*title)));
|
|
}
|
|
|
|
|
|
void CpuProfiler::DeleteAllCpuProfiles() {
|
|
reinterpret_cast<i::CpuProfiler*>(this)->DeleteAllProfiles();
|
|
}
|
|
|
|
|
|
void CpuProfiler::SetIdle(bool is_idle) {
|
|
i::Isolate* isolate = reinterpret_cast<i::CpuProfiler*>(this)->isolate();
|
|
i::StateTag state = isolate->current_vm_state();
|
|
ASSERT(state == i::EXTERNAL || state == i::IDLE);
|
|
if (isolate->js_entry_sp() != NULL) return;
|
|
if (is_idle) {
|
|
isolate->set_current_vm_state(i::IDLE);
|
|
} else if (state == i::IDLE) {
|
|
isolate->set_current_vm_state(i::EXTERNAL);
|
|
}
|
|
}
|
|
|
|
|
|
static i::HeapGraphEdge* ToInternal(const HeapGraphEdge* edge) {
|
|
return const_cast<i::HeapGraphEdge*>(
|
|
reinterpret_cast<const i::HeapGraphEdge*>(edge));
|
|
}
|
|
|
|
|
|
HeapGraphEdge::Type HeapGraphEdge::GetType() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphEdge::GetType");
|
|
return static_cast<HeapGraphEdge::Type>(ToInternal(this)->type());
|
|
}
|
|
|
|
|
|
Handle<Value> HeapGraphEdge::GetName() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphEdge::GetName");
|
|
i::HeapGraphEdge* edge = ToInternal(this);
|
|
switch (edge->type()) {
|
|
case i::HeapGraphEdge::kContextVariable:
|
|
case i::HeapGraphEdge::kInternal:
|
|
case i::HeapGraphEdge::kProperty:
|
|
case i::HeapGraphEdge::kShortcut:
|
|
return ToApiHandle<String>(
|
|
isolate->factory()->InternalizeUtf8String(edge->name()));
|
|
case i::HeapGraphEdge::kElement:
|
|
case i::HeapGraphEdge::kHidden:
|
|
case i::HeapGraphEdge::kWeak:
|
|
return ToApiHandle<Number>(
|
|
isolate->factory()->NewNumberFromInt(edge->index()));
|
|
default: UNREACHABLE();
|
|
}
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
const HeapGraphNode* HeapGraphEdge::GetFromNode() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphEdge::GetFromNode");
|
|
const i::HeapEntry* from = ToInternal(this)->from();
|
|
return reinterpret_cast<const HeapGraphNode*>(from);
|
|
}
|
|
|
|
|
|
const HeapGraphNode* HeapGraphEdge::GetToNode() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphEdge::GetToNode");
|
|
const i::HeapEntry* to = ToInternal(this)->to();
|
|
return reinterpret_cast<const HeapGraphNode*>(to);
|
|
}
|
|
|
|
|
|
static i::HeapEntry* ToInternal(const HeapGraphNode* entry) {
|
|
return const_cast<i::HeapEntry*>(
|
|
reinterpret_cast<const i::HeapEntry*>(entry));
|
|
}
|
|
|
|
|
|
HeapGraphNode::Type HeapGraphNode::GetType() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphNode::GetType");
|
|
return static_cast<HeapGraphNode::Type>(ToInternal(this)->type());
|
|
}
|
|
|
|
|
|
Handle<String> HeapGraphNode::GetName() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphNode::GetName");
|
|
return ToApiHandle<String>(
|
|
isolate->factory()->InternalizeUtf8String(ToInternal(this)->name()));
|
|
}
|
|
|
|
|
|
SnapshotObjectId HeapGraphNode::GetId() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphNode::GetId");
|
|
return ToInternal(this)->id();
|
|
}
|
|
|
|
|
|
int HeapGraphNode::GetSelfSize() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphNode::GetSelfSize");
|
|
return ToInternal(this)->self_size();
|
|
}
|
|
|
|
|
|
int HeapGraphNode::GetChildrenCount() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetChildrenCount");
|
|
return ToInternal(this)->children().length();
|
|
}
|
|
|
|
|
|
const HeapGraphEdge* HeapGraphNode::GetChild(int index) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetChild");
|
|
return reinterpret_cast<const HeapGraphEdge*>(
|
|
ToInternal(this)->children()[index]);
|
|
}
|
|
|
|
|
|
v8::Handle<v8::Value> HeapGraphNode::GetHeapValue() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapGraphNode::GetHeapValue");
|
|
i::Handle<i::HeapObject> object = ToInternal(this)->GetHeapObject();
|
|
return !object.is_null() ?
|
|
ToApiHandle<Value>(object) :
|
|
ToApiHandle<Value>(isolate->factory()->undefined_value());
|
|
}
|
|
|
|
|
|
static i::HeapSnapshot* ToInternal(const HeapSnapshot* snapshot) {
|
|
return const_cast<i::HeapSnapshot*>(
|
|
reinterpret_cast<const i::HeapSnapshot*>(snapshot));
|
|
}
|
|
|
|
|
|
void HeapSnapshot::Delete() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::Delete");
|
|
if (isolate->heap_profiler()->GetSnapshotsCount() > 1) {
|
|
ToInternal(this)->Delete();
|
|
} else {
|
|
// If this is the last snapshot, clean up all accessory data as well.
|
|
isolate->heap_profiler()->DeleteAllSnapshots();
|
|
}
|
|
}
|
|
|
|
|
|
unsigned HeapSnapshot::GetUid() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetUid");
|
|
return ToInternal(this)->uid();
|
|
}
|
|
|
|
|
|
Handle<String> HeapSnapshot::GetTitle() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetTitle");
|
|
return ToApiHandle<String>(
|
|
isolate->factory()->InternalizeUtf8String(ToInternal(this)->title()));
|
|
}
|
|
|
|
|
|
const HeapGraphNode* HeapSnapshot::GetRoot() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetHead");
|
|
return reinterpret_cast<const HeapGraphNode*>(ToInternal(this)->root());
|
|
}
|
|
|
|
|
|
const HeapGraphNode* HeapSnapshot::GetNodeById(SnapshotObjectId id) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodeById");
|
|
return reinterpret_cast<const HeapGraphNode*>(
|
|
ToInternal(this)->GetEntryById(id));
|
|
}
|
|
|
|
|
|
int HeapSnapshot::GetNodesCount() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetNodesCount");
|
|
return ToInternal(this)->entries().length();
|
|
}
|
|
|
|
|
|
const HeapGraphNode* HeapSnapshot::GetNode(int index) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetNode");
|
|
return reinterpret_cast<const HeapGraphNode*>(
|
|
&ToInternal(this)->entries().at(index));
|
|
}
|
|
|
|
|
|
SnapshotObjectId HeapSnapshot::GetMaxSnapshotJSObjectId() const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::GetMaxSnapshotJSObjectId");
|
|
return ToInternal(this)->max_snapshot_js_object_id();
|
|
}
|
|
|
|
|
|
void HeapSnapshot::Serialize(OutputStream* stream,
|
|
HeapSnapshot::SerializationFormat format) const {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
IsDeadCheck(isolate, "v8::HeapSnapshot::Serialize");
|
|
ApiCheck(format == kJSON,
|
|
"v8::HeapSnapshot::Serialize",
|
|
"Unknown serialization format");
|
|
ApiCheck(stream->GetOutputEncoding() == OutputStream::kAscii,
|
|
"v8::HeapSnapshot::Serialize",
|
|
"Unsupported output encoding");
|
|
ApiCheck(stream->GetChunkSize() > 0,
|
|
"v8::HeapSnapshot::Serialize",
|
|
"Invalid stream chunk size");
|
|
i::HeapSnapshotJSONSerializer serializer(ToInternal(this));
|
|
serializer.Serialize(stream);
|
|
}
|
|
|
|
|
|
int HeapProfiler::GetSnapshotCount() {
|
|
return reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshotsCount();
|
|
}
|
|
|
|
|
|
const HeapSnapshot* HeapProfiler::GetHeapSnapshot(int index) {
|
|
return reinterpret_cast<const HeapSnapshot*>(
|
|
reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshot(index));
|
|
}
|
|
|
|
|
|
SnapshotObjectId HeapProfiler::GetObjectId(Handle<Value> value) {
|
|
i::Handle<i::Object> obj = Utils::OpenHandle(*value);
|
|
return reinterpret_cast<i::HeapProfiler*>(this)->GetSnapshotObjectId(obj);
|
|
}
|
|
|
|
|
|
const HeapSnapshot* HeapProfiler::TakeHeapSnapshot(
|
|
Handle<String> title,
|
|
ActivityControl* control,
|
|
ObjectNameResolver* resolver) {
|
|
return reinterpret_cast<const HeapSnapshot*>(
|
|
reinterpret_cast<i::HeapProfiler*>(this)->TakeSnapshot(
|
|
*Utils::OpenHandle(*title), control, resolver));
|
|
}
|
|
|
|
|
|
void HeapProfiler::StartTrackingHeapObjects() {
|
|
reinterpret_cast<i::HeapProfiler*>(this)->StartHeapObjectsTracking();
|
|
}
|
|
|
|
|
|
void HeapProfiler::StopTrackingHeapObjects() {
|
|
reinterpret_cast<i::HeapProfiler*>(this)->StopHeapObjectsTracking();
|
|
}
|
|
|
|
|
|
SnapshotObjectId HeapProfiler::GetHeapStats(OutputStream* stream) {
|
|
return reinterpret_cast<i::HeapProfiler*>(this)->PushHeapObjectsStats(stream);
|
|
}
|
|
|
|
|
|
void HeapProfiler::DeleteAllHeapSnapshots() {
|
|
reinterpret_cast<i::HeapProfiler*>(this)->DeleteAllSnapshots();
|
|
}
|
|
|
|
|
|
void HeapProfiler::SetWrapperClassInfoProvider(uint16_t class_id,
|
|
WrapperInfoCallback callback) {
|
|
reinterpret_cast<i::HeapProfiler*>(this)->DefineWrapperClass(class_id,
|
|
callback);
|
|
}
|
|
|
|
|
|
size_t HeapProfiler::GetProfilerMemorySize() {
|
|
return reinterpret_cast<i::HeapProfiler*>(this)->
|
|
GetMemorySizeUsedByProfiler();
|
|
}
|
|
|
|
|
|
void HeapProfiler::SetRetainedObjectInfo(UniqueId id,
|
|
RetainedObjectInfo* info) {
|
|
reinterpret_cast<i::HeapProfiler*>(this)->SetRetainedObjectInfo(id, info);
|
|
}
|
|
|
|
|
|
v8::Testing::StressType internal::Testing::stress_type_ =
|
|
v8::Testing::kStressTypeOpt;
|
|
|
|
|
|
void Testing::SetStressRunType(Testing::StressType type) {
|
|
internal::Testing::set_stress_type(type);
|
|
}
|
|
|
|
|
|
int Testing::GetStressRuns() {
|
|
if (internal::FLAG_stress_runs != 0) return internal::FLAG_stress_runs;
|
|
#ifdef DEBUG
|
|
// In debug mode the code runs much slower so stressing will only make two
|
|
// runs.
|
|
return 2;
|
|
#else
|
|
return 5;
|
|
#endif
|
|
}
|
|
|
|
|
|
static void SetFlagsFromString(const char* flags) {
|
|
V8::SetFlagsFromString(flags, i::StrLength(flags));
|
|
}
|
|
|
|
|
|
void Testing::PrepareStressRun(int run) {
|
|
static const char* kLazyOptimizations =
|
|
"--prepare-always-opt "
|
|
"--max-inlined-source-size=999999 "
|
|
"--max-inlined-nodes=999999 "
|
|
"--max-inlined-nodes-cumulative=999999 "
|
|
"--noalways-opt";
|
|
static const char* kForcedOptimizations = "--always-opt";
|
|
|
|
// If deoptimization stressed turn on frequent deoptimization. If no value
|
|
// is spefified through --deopt-every-n-times use a default default value.
|
|
static const char* kDeoptEvery13Times = "--deopt-every-n-times=13";
|
|
if (internal::Testing::stress_type() == Testing::kStressTypeDeopt &&
|
|
internal::FLAG_deopt_every_n_times == 0) {
|
|
SetFlagsFromString(kDeoptEvery13Times);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
// As stressing in debug mode only make two runs skip the deopt stressing
|
|
// here.
|
|
if (run == GetStressRuns() - 1) {
|
|
SetFlagsFromString(kForcedOptimizations);
|
|
} else {
|
|
SetFlagsFromString(kLazyOptimizations);
|
|
}
|
|
#else
|
|
if (run == GetStressRuns() - 1) {
|
|
SetFlagsFromString(kForcedOptimizations);
|
|
} else if (run != GetStressRuns() - 2) {
|
|
SetFlagsFromString(kLazyOptimizations);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
// TODO(svenpanne) Deprecate this.
|
|
void Testing::DeoptimizeAll() {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
i::HandleScope scope(isolate);
|
|
internal::Deoptimizer::DeoptimizeAll(isolate);
|
|
}
|
|
|
|
|
|
namespace internal {
|
|
|
|
|
|
void HandleScopeImplementer::FreeThreadResources() {
|
|
Free();
|
|
}
|
|
|
|
|
|
char* HandleScopeImplementer::ArchiveThread(char* storage) {
|
|
v8::ImplementationUtilities::HandleScopeData* current =
|
|
isolate_->handle_scope_data();
|
|
handle_scope_data_ = *current;
|
|
OS::MemCopy(storage, this, sizeof(*this));
|
|
|
|
ResetAfterArchive();
|
|
current->Initialize();
|
|
|
|
return storage + ArchiveSpacePerThread();
|
|
}
|
|
|
|
|
|
int HandleScopeImplementer::ArchiveSpacePerThread() {
|
|
return sizeof(HandleScopeImplementer);
|
|
}
|
|
|
|
|
|
char* HandleScopeImplementer::RestoreThread(char* storage) {
|
|
OS::MemCopy(this, storage, sizeof(*this));
|
|
*isolate_->handle_scope_data() = handle_scope_data_;
|
|
return storage + ArchiveSpacePerThread();
|
|
}
|
|
|
|
|
|
void HandleScopeImplementer::IterateThis(ObjectVisitor* v) {
|
|
#ifdef DEBUG
|
|
bool found_block_before_deferred = false;
|
|
#endif
|
|
// Iterate over all handles in the blocks except for the last.
|
|
for (int i = blocks()->length() - 2; i >= 0; --i) {
|
|
Object** block = blocks()->at(i);
|
|
if (last_handle_before_deferred_block_ != NULL &&
|
|
(last_handle_before_deferred_block_ <= &block[kHandleBlockSize]) &&
|
|
(last_handle_before_deferred_block_ >= block)) {
|
|
v->VisitPointers(block, last_handle_before_deferred_block_);
|
|
ASSERT(!found_block_before_deferred);
|
|
#ifdef DEBUG
|
|
found_block_before_deferred = true;
|
|
#endif
|
|
} else {
|
|
v->VisitPointers(block, &block[kHandleBlockSize]);
|
|
}
|
|
}
|
|
|
|
ASSERT(last_handle_before_deferred_block_ == NULL ||
|
|
found_block_before_deferred);
|
|
|
|
// Iterate over live handles in the last block (if any).
|
|
if (!blocks()->is_empty()) {
|
|
v->VisitPointers(blocks()->last(), handle_scope_data_.next);
|
|
}
|
|
|
|
if (!saved_contexts_.is_empty()) {
|
|
Object** start = reinterpret_cast<Object**>(&saved_contexts_.first());
|
|
v->VisitPointers(start, start + saved_contexts_.length());
|
|
}
|
|
}
|
|
|
|
|
|
void HandleScopeImplementer::Iterate(ObjectVisitor* v) {
|
|
v8::ImplementationUtilities::HandleScopeData* current =
|
|
isolate_->handle_scope_data();
|
|
handle_scope_data_ = *current;
|
|
IterateThis(v);
|
|
}
|
|
|
|
|
|
char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
|
|
HandleScopeImplementer* scope_implementer =
|
|
reinterpret_cast<HandleScopeImplementer*>(storage);
|
|
scope_implementer->IterateThis(v);
|
|
return storage + ArchiveSpacePerThread();
|
|
}
|
|
|
|
|
|
DeferredHandles* HandleScopeImplementer::Detach(Object** prev_limit) {
|
|
DeferredHandles* deferred =
|
|
new DeferredHandles(isolate()->handle_scope_data()->next, isolate());
|
|
|
|
while (!blocks_.is_empty()) {
|
|
Object** block_start = blocks_.last();
|
|
Object** block_limit = &block_start[kHandleBlockSize];
|
|
// We should not need to check for SealHandleScope here. Assert this.
|
|
ASSERT(prev_limit == block_limit ||
|
|
!(block_start <= prev_limit && prev_limit <= block_limit));
|
|
if (prev_limit == block_limit) break;
|
|
deferred->blocks_.Add(blocks_.last());
|
|
blocks_.RemoveLast();
|
|
}
|
|
|
|
// deferred->blocks_ now contains the blocks installed on the
|
|
// HandleScope stack since BeginDeferredScope was called, but in
|
|
// reverse order.
|
|
|
|
ASSERT(prev_limit == NULL || !blocks_.is_empty());
|
|
|
|
ASSERT(!blocks_.is_empty() && prev_limit != NULL);
|
|
ASSERT(last_handle_before_deferred_block_ != NULL);
|
|
last_handle_before_deferred_block_ = NULL;
|
|
return deferred;
|
|
}
|
|
|
|
|
|
void HandleScopeImplementer::BeginDeferredScope() {
|
|
ASSERT(last_handle_before_deferred_block_ == NULL);
|
|
last_handle_before_deferred_block_ = isolate()->handle_scope_data()->next;
|
|
}
|
|
|
|
|
|
DeferredHandles::~DeferredHandles() {
|
|
isolate_->UnlinkDeferredHandles(this);
|
|
|
|
for (int i = 0; i < blocks_.length(); i++) {
|
|
#ifdef ENABLE_EXTRA_CHECKS
|
|
HandleScope::ZapRange(blocks_[i], &blocks_[i][kHandleBlockSize]);
|
|
#endif
|
|
isolate_->handle_scope_implementer()->ReturnBlock(blocks_[i]);
|
|
}
|
|
}
|
|
|
|
|
|
void DeferredHandles::Iterate(ObjectVisitor* v) {
|
|
ASSERT(!blocks_.is_empty());
|
|
|
|
ASSERT((first_block_limit_ >= blocks_.first()) &&
|
|
(first_block_limit_ <= &(blocks_.first())[kHandleBlockSize]));
|
|
|
|
v->VisitPointers(blocks_.first(), first_block_limit_);
|
|
|
|
for (int i = 1; i < blocks_.length(); i++) {
|
|
v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
|
|
}
|
|
}
|
|
|
|
|
|
void InvokeAccessorGetterCallback(
|
|
v8::Local<v8::String> property,
|
|
const v8::PropertyCallbackInfo<v8::Value>& info,
|
|
v8::AccessorGetterCallback getter) {
|
|
// Leaving JavaScript.
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
|
|
Address getter_address = reinterpret_cast<Address>(reinterpret_cast<intptr_t>(
|
|
getter));
|
|
VMState<EXTERNAL> state(isolate);
|
|
ExternalCallbackScope call_scope(isolate, getter_address);
|
|
getter(property, info);
|
|
}
|
|
|
|
|
|
void InvokeFunctionCallback(const v8::FunctionCallbackInfo<v8::Value>& info,
|
|
v8::FunctionCallback callback) {
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
|
|
Address callback_address =
|
|
reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
|
|
VMState<EXTERNAL> state(isolate);
|
|
ExternalCallbackScope call_scope(isolate, callback_address);
|
|
callback(info);
|
|
}
|
|
|
|
|
|
} } // namespace v8::internal
|