0d872514ef
Unifies GetSharedFunctionForStreamedScript with GetSharedFunctionForScript so that both share a more similar API and some common code can be moved to common helpers. Introduces a Compiler::ScriptDetails struct to hold script meta-data used to build new script objects. BUG=v8:5203 Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng Change-Id: I3e6b4cd50da9bb92ef5a2bfd666a09b3619c34a4 Reviewed-on: https://chromium-review.googlesource.com/924189 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#51438}
124 lines
4.6 KiB
C++
124 lines
4.6 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/api.h"
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#include "src/code-factory.h"
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#include "src/code-stubs.h"
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#include "src/compilation-info.h"
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#include "src/compiler.h"
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#include "src/compiler/common-operator.h"
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#include "src/compiler/graph.h"
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#include "src/compiler/linkage.h"
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#include "src/compiler/machine-operator.h"
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#include "src/compiler/node.h"
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#include "src/compiler/operator.h"
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#include "src/compiler/pipeline.h"
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#include "src/compiler/schedule.h"
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#include "src/objects-inl.h"
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#include "src/parsing/parse-info.h"
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#include "src/zone/zone.h"
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#include "test/cctest/cctest.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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static Operator dummy_operator(IrOpcode::kParameter, Operator::kNoWrite,
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"dummy", 0, 0, 0, 0, 0, 0);
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// So we can get a real JS function.
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static Handle<JSFunction> Compile(const char* source) {
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Isolate* isolate = CcTest::i_isolate();
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Handle<String> source_code = isolate->factory()
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->NewStringFromUtf8(CStrVector(source))
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.ToHandleChecked();
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Handle<SharedFunctionInfo> shared =
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Compiler::GetSharedFunctionInfoForScript(
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source_code, Compiler::ScriptDetails(), v8::ScriptOriginOptions(),
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nullptr, nullptr, v8::ScriptCompiler::kNoCompileOptions,
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ScriptCompiler::kNoCacheNoReason, NOT_NATIVES_CODE)
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.ToHandleChecked();
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return isolate->factory()->NewFunctionFromSharedFunctionInfo(
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shared, isolate->native_context());
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}
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TEST(TestLinkageCreate) {
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HandleAndZoneScope handles;
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Handle<JSFunction> function = Compile("a + b");
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Handle<SharedFunctionInfo> shared(function->shared());
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CompilationInfo info(handles.main_zone(), function->GetIsolate(), shared,
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function);
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auto call_descriptor = Linkage::ComputeIncoming(info.zone(), &info);
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CHECK(call_descriptor);
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}
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TEST(TestLinkageJSFunctionIncoming) {
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const char* sources[] = {"(function() { })", "(function(a) { })",
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"(function(a,b) { })", "(function(a,b,c) { })"};
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for (int i = 0; i < 3; i++) {
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HandleAndZoneScope handles;
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Handle<JSFunction> function =
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Handle<JSFunction>::cast(v8::Utils::OpenHandle(
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*v8::Local<v8::Function>::Cast(CompileRun(sources[i]))));
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Handle<SharedFunctionInfo> shared(function->shared());
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CompilationInfo info(handles.main_zone(), function->GetIsolate(), shared,
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function);
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auto call_descriptor = Linkage::ComputeIncoming(info.zone(), &info);
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CHECK(call_descriptor);
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CHECK_EQ(1 + i, static_cast<int>(call_descriptor->JSParameterCount()));
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CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
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CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
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CHECK_EQ(true, call_descriptor->IsJSFunctionCall());
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}
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}
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TEST(TestLinkageJSCall) {
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HandleAndZoneScope handles;
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Handle<JSFunction> function = Compile("a + c");
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Handle<SharedFunctionInfo> shared(function->shared());
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CompilationInfo info(handles.main_zone(), function->GetIsolate(), shared,
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function);
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for (int i = 0; i < 32; i++) {
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auto call_descriptor = Linkage::GetJSCallDescriptor(
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info.zone(), false, i, CallDescriptor::kNoFlags);
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CHECK(call_descriptor);
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CHECK_EQ(i, static_cast<int>(call_descriptor->JSParameterCount()));
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CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
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CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
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CHECK_EQ(true, call_descriptor->IsJSFunctionCall());
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}
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}
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TEST(TestLinkageRuntimeCall) {
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// TODO(titzer): test linkage creation for outgoing runtime calls.
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}
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TEST(TestLinkageStubCall) {
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Isolate* isolate = CcTest::InitIsolateOnce();
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Zone zone(isolate->allocator(), ZONE_NAME);
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Callable callable = Builtins::CallableFor(isolate, Builtins::kToNumber);
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CompilationInfo info(ArrayVector("test"), &zone, Code::STUB);
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auto call_descriptor = Linkage::GetStubCallDescriptor(
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isolate, &zone, callable.descriptor(), 0, CallDescriptor::kNoFlags,
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Operator::kNoProperties);
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CHECK(call_descriptor);
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CHECK_EQ(0, static_cast<int>(call_descriptor->StackParameterCount()));
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CHECK_EQ(1, static_cast<int>(call_descriptor->ReturnCount()));
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CHECK_EQ(Operator::kNoProperties, call_descriptor->properties());
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CHECK_EQ(false, call_descriptor->IsJSFunctionCall());
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// TODO(titzer): test linkage creation for outgoing stub calls.
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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