v8/test/cctest/interpreter/interpreter-tester.h
mvstanton 91c88644dc Move of the type feedback vector to the closure.
We get less "pollution" of type feedback if we have one vector per native
context, rather than one for the whole system. This CL moves the vector
appropriately.

BUG=

Review-Url: https://codereview.chromium.org/1906823002
Cr-Commit-Position: refs/heads/master@{#36539}
2016-05-27 08:10:51 +00:00

129 lines
4.0 KiB
C++

// Copyright 2015 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/v8.h"
#include "src/execution.h"
#include "src/handles.h"
#include "src/interpreter/bytecode-array-builder.h"
#include "src/interpreter/interpreter.h"
#include "test/cctest/cctest.h"
#include "test/cctest/test-feedback-vector.h"
namespace v8 {
namespace internal {
namespace interpreter {
MaybeHandle<Object> CallInterpreter(Isolate* isolate,
Handle<JSFunction> function);
template <class... A>
static MaybeHandle<Object> CallInterpreter(Isolate* isolate,
Handle<JSFunction> function,
A... args) {
Handle<Object> argv[] = {args...};
return Execution::Call(isolate, function,
isolate->factory()->undefined_value(), sizeof...(args),
argv);
}
template <class... A>
class InterpreterCallable {
public:
InterpreterCallable(Isolate* isolate, Handle<JSFunction> function)
: isolate_(isolate), function_(function) {}
virtual ~InterpreterCallable() {}
MaybeHandle<Object> operator()(A... args) {
return CallInterpreter(isolate_, function_, args...);
}
private:
Isolate* isolate_;
Handle<JSFunction> function_;
};
namespace {
const char kFunctionName[] = "f";
} // namespace
class InterpreterTester {
public:
InterpreterTester(Isolate* isolate, const char* source,
MaybeHandle<BytecodeArray> bytecode,
MaybeHandle<TypeFeedbackVector> feedback_vector,
const char* filter);
InterpreterTester(Isolate* isolate, Handle<BytecodeArray> bytecode,
MaybeHandle<TypeFeedbackVector> feedback_vector =
MaybeHandle<TypeFeedbackVector>(),
const char* filter = kFunctionName);
InterpreterTester(Isolate* isolate, const char* source,
const char* filter = kFunctionName);
virtual ~InterpreterTester();
template <class... A>
InterpreterCallable<A...> GetCallable() {
return InterpreterCallable<A...>(isolate_, GetBytecodeFunction<A...>());
}
Local<Message> CheckThrowsReturnMessage();
static Handle<Object> NewObject(const char* script);
static Handle<String> GetName(Isolate* isolate, const char* name);
static std::string SourceForBody(const char* body);
static std::string function_name();
private:
Isolate* isolate_;
const char* source_;
MaybeHandle<BytecodeArray> bytecode_;
MaybeHandle<TypeFeedbackVector> feedback_vector_;
template <class... A>
Handle<JSFunction> GetBytecodeFunction() {
Handle<JSFunction> function;
if (source_) {
CompileRun(source_);
v8::Local<v8::Context> context =
v8::Isolate::GetCurrent()->GetCurrentContext();
Local<Function> api_function =
Local<Function>::Cast(CcTest::global()
->Get(context, v8_str(kFunctionName))
.ToLocalChecked());
function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(*api_function));
} else {
int arg_count = sizeof...(A);
std::string source("(function " + function_name() + "(");
for (int i = 0; i < arg_count; i++) {
source += i == 0 ? "a" : ", a";
}
source += "){})";
function = Handle<JSFunction>::cast(v8::Utils::OpenHandle(
*v8::Local<v8::Function>::Cast(CompileRun(source.c_str()))));
function->ReplaceCode(
*isolate_->builtins()->InterpreterEntryTrampoline());
}
if (!bytecode_.is_null()) {
function->shared()->set_function_data(*bytecode_.ToHandleChecked());
}
if (!feedback_vector_.is_null()) {
function->literals()->set_feedback_vector(
*feedback_vector_.ToHandleChecked());
}
return function;
}
DISALLOW_COPY_AND_ASSIGN(InterpreterTester);
};
} // namespace interpreter
} // namespace internal
} // namespace v8