7976ca2cbc
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7271 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
111 lines
4.1 KiB
C++
111 lines
4.1 KiB
C++
// Copyright 2006-2008 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 <stdarg.h>
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#include "v8.h"
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#include "platform.h"
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// TODO(isolates): is it necessary to lift this?
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static int fatal_error_handler_nesting_depth = 0;
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// Contains protection against recursive calls (faults while handling faults).
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extern "C" void V8_Fatal(const char* file, int line, const char* format, ...) {
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fflush(stdout);
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fflush(stderr);
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fatal_error_handler_nesting_depth++;
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// First time we try to print an error message
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if (fatal_error_handler_nesting_depth < 2) {
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i::OS::PrintError("\n\n#\n# Fatal error in %s, line %d\n# ", file, line);
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va_list arguments;
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va_start(arguments, format);
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i::OS::VPrintError(format, arguments);
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va_end(arguments);
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i::OS::PrintError("\n#\n\n");
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}
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// First two times we may try to print a stack dump.
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if (fatal_error_handler_nesting_depth < 3) {
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if (i::FLAG_stack_trace_on_abort) {
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// Call this one twice on double fault
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i::Isolate::Current()->PrintStack();
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}
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}
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i::OS::Abort();
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}
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void CheckEqualsHelper(const char* file,
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int line,
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const char* expected_source,
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v8::Handle<v8::Value> expected,
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const char* value_source,
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v8::Handle<v8::Value> value) {
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if (!expected->Equals(value)) {
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v8::String::Utf8Value value_str(value);
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v8::String::Utf8Value expected_str(expected);
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V8_Fatal(file, line,
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"CHECK_EQ(%s, %s) failed\n# Expected: %s\n# Found: %s",
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expected_source, value_source, *expected_str, *value_str);
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}
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}
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void CheckNonEqualsHelper(const char* file,
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int line,
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const char* unexpected_source,
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v8::Handle<v8::Value> unexpected,
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const char* value_source,
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v8::Handle<v8::Value> value) {
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if (unexpected->Equals(value)) {
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v8::String::Utf8Value value_str(value);
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V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %s",
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unexpected_source, value_source, *value_str);
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}
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}
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void API_Fatal(const char* location, const char* format, ...) {
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i::OS::PrintError("\n#\n# Fatal error in %s\n# ", location);
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va_list arguments;
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va_start(arguments, format);
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i::OS::VPrintError(format, arguments);
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va_end(arguments);
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i::OS::PrintError("\n#\n\n");
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i::OS::Abort();
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}
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namespace v8 { namespace internal {
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bool EnableSlowAsserts() { return FLAG_enable_slow_asserts; }
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intptr_t HeapObjectTagMask() { return kHeapObjectTagMask; }
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} } // namespace v8::internal
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