v8/test/cctest/compiler/code-assembler-tester.h
jkummerow 87a65911b9 Reland of [refactoring] Split CodeAssemblerState out of CodeAssembler
This is in preparation for introducing more specialized
CodeStubAssembler subclasses. The state object can be handed
around, while the Assembler instances are temporary-scoped.

BUG=v8:5628

Original review: https://codereview.chromium.org/2498073002/

Review-Url: https://codereview.chromium.org/2502293002
Cr-Commit-Position: refs/heads/master@{#41028}
2016-11-16 11:48:38 +00:00

57 lines
1.8 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/compiler/code-assembler.h"
#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 CodeAssemblerTester {
public:
// Test generating code for a stub. Assumes VoidDescriptor call interface.
explicit CodeAssemblerTester(Isolate* isolate)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, VoidDescriptor(isolate),
Code::ComputeFlags(Code::STUB), "test") {}
// Test generating code for a JS function (e.g. builtins).
CodeAssemblerTester(Isolate* isolate, int parameter_count,
Code::Kind kind = Code::BUILTIN)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, parameter_count, Code::ComputeFlags(kind),
"test") {}
// This constructor is intended to be used for creating code objects with
// specific flags.
CodeAssemblerTester(Isolate* isolate, Code::Flags flags)
: zone_(isolate->allocator(), ZONE_NAME),
scope_(isolate),
state_(isolate, &zone_, 0, flags, "test") {}
CodeAssemblerState* state() { return &state_; }
Handle<Code> GenerateCode() { return CodeAssembler::GenerateCode(&state_); }
Handle<Code> GenerateCodeCloseAndEscape() {
return scope_.CloseAndEscape(CodeAssembler::GenerateCode(&state_));
}
private:
Zone zone_;
HandleScope scope_;
LocalContext context_;
CodeAssemblerState state_;
};
} // namespace compiler
} // namespace internal
} // namespace v8