v8/test/cctest/compiler/code-assembler-tester.h
mstarzinger 68868c73c4 [compiler] Remove compiler internals from CodeAssembler.
This removes some compiler internals as well as some JavaScript specific
helper from the CodeAssembler, by either hiding or moving the support
into the CodeStubAssembler.

R=bmeurer@chromium.org

Review-Url: https://codereview.chromium.org/2246463002
Cr-Commit-Position: refs/heads/master@{#38617}
2016-08-12 12:57:48 +00:00

62 lines
1.9 KiB
C++

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/handles.h"
#include "src/interface-descriptors.h"
#include "src/isolate.h"
#include "test/cctest/compiler/function-tester.h"
namespace v8 {
namespace internal {
namespace compiler {
class ZoneHolder {
public:
explicit ZoneHolder(Isolate* isolate) : zone_(isolate->allocator()) {}
Zone* zone() { return &zone_; }
private:
Zone zone_;
};
// Inherit from ZoneHolder in order to create a zone that can be passed to
// CodeAssembler base class constructor.
template <typename CodeAssemblerT>
class CodeAssemblerTesterImpl : private ZoneHolder, public CodeAssemblerT {
public:
// Test generating code for a stub.
CodeAssemblerTesterImpl(Isolate* isolate,
const CallInterfaceDescriptor& descriptor)
: ZoneHolder(isolate),
CodeAssemblerT(isolate, ZoneHolder::zone(), descriptor,
Code::ComputeFlags(Code::STUB), "test"),
scope_(isolate) {}
// Test generating code for a JS function (e.g. builtins).
CodeAssemblerTesterImpl(Isolate* isolate, int parameter_count)
: ZoneHolder(isolate),
CodeAssemblerT(isolate, ZoneHolder::zone(), parameter_count,
Code::ComputeFlags(Code::FUNCTION), "test"),
scope_(isolate) {}
// This constructor is intended to be used for creating code objects with
// specific flags.
CodeAssemblerTesterImpl(Isolate* isolate, Code::Flags flags)
: ZoneHolder(isolate),
CodeAssemblerT(isolate, ZoneHolder::zone(), 0, flags, "test"),
scope_(isolate) {}
Handle<Code> GenerateCodeCloseAndEscape() {
return scope_.CloseAndEscape(CodeAssemblerT::GenerateCode());
}
private:
HandleScope scope_;
LocalContext context_;
};
} // namespace compiler
} // namespace internal
} // namespace v8