b98e3949a3
Review-Url: https://codereview.chromium.org/2072813003 Cr-Commit-Position: refs/heads/master@{#37069}
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// Copyright 2016 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/handles.h"
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#include "src/interface-descriptors.h"
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#include "src/isolate.h"
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#include "test/cctest/compiler/function-tester.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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class ZoneHolder {
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public:
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explicit ZoneHolder(Isolate* isolate) : zone_(isolate->allocator()) {}
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Zone* zone() { return &zone_; }
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private:
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Zone zone_;
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};
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// Inherit from ZoneHolder in order to create a zone that can be passed to
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// CodeAssembler base class constructor.
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template <typename CodeAssemblerT>
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class CodeAssemblerTesterImpl : private ZoneHolder, public CodeAssemblerT {
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public:
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// Test generating code for a stub.
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CodeAssemblerTesterImpl(Isolate* isolate,
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const CallInterfaceDescriptor& descriptor)
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: ZoneHolder(isolate),
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CodeAssemblerT(isolate, ZoneHolder::zone(), descriptor,
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Code::ComputeFlags(Code::STUB), "test"),
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scope_(isolate) {}
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// Test generating code for a JS function (e.g. builtins).
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CodeAssemblerTesterImpl(Isolate* isolate, int parameter_count)
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: ZoneHolder(isolate),
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CodeAssemblerT(isolate, ZoneHolder::zone(), parameter_count,
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Code::ComputeFlags(Code::FUNCTION), "test"),
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scope_(isolate) {}
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// This constructor is intended to be used for creating code objects with
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// specific flags.
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CodeAssemblerTesterImpl(Isolate* isolate, Code::Flags flags)
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: ZoneHolder(isolate),
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CodeAssemblerT(isolate, ZoneHolder::zone(), 0, flags, "test"),
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scope_(isolate) {}
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Handle<Code> GenerateCodeCloseAndEscape() {
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return scope_.CloseAndEscape(CodeAssemblerT::GenerateCode());
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}
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// Expose some internal methods.
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Node* SmiShiftBitsConstant() {
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return CodeAssemblerT::SmiShiftBitsConstant();
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}
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private:
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HandleScope scope_;
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LocalContext context_;
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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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