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Unified Diff: test/cctest/compiler/function-tester.h

Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 5 months ago
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Index: test/cctest/compiler/function-tester.h
diff --git a/test/cctest/compiler/function-tester.h b/test/cctest/compiler/function-tester.h
new file mode 100644
index 0000000000000000000000000000000000000000..2ed2fe99883da65ae29d0c40ef287d40b1b41ed0
--- /dev/null
+++ b/test/cctest/compiler/function-tester.h
@@ -0,0 +1,194 @@
+// Copyright 2014 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.
+
+#ifndef V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
+#define V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
+
+#include "src/v8.h"
+#include "test/cctest/cctest.h"
+
+#include "src/compiler.h"
+#include "src/compiler/pipeline.h"
+#include "src/execution.h"
+#include "src/full-codegen.h"
+#include "src/handles.h"
+#include "src/objects-inl.h"
+#include "src/parser.h"
+#include "src/rewriter.h"
+#include "src/scopes.h"
+
+#define USE_CRANKSHAFT 0
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+class FunctionTester : public InitializedHandleScope {
+ public:
+ explicit FunctionTester(const char* source)
+ : isolate(main_isolate()),
+ function((FLAG_allow_natives_syntax = true, NewFunction(source))) {
+ Compile(function);
+ }
+
+ Isolate* isolate;
+ Handle<JSFunction> function;
+
+ Handle<JSFunction> Compile(Handle<JSFunction> function) {
+#if V8_TURBOFAN_TARGET
+ CompilationInfoWithZone info(function);
+
+ CHECK(Parser::Parse(&info));
+ StrictMode strict_mode = info.function()->strict_mode();
+ info.SetStrictMode(strict_mode);
+ info.SetOptimizing(BailoutId::None(), Handle<Code>(function->code()));
+ CHECK(Rewriter::Rewrite(&info));
+ CHECK(Scope::Analyze(&info));
+ CHECK_NE(NULL, info.scope());
+
+ EnsureDeoptimizationSupport(&info);
+
+ Pipeline pipeline(&info);
+ Handle<Code> code = pipeline.GenerateCode();
+
+ CHECK(!code.is_null());
+ function->ReplaceCode(*code);
+#elif USE_CRANKSHAFT
+ Handle<Code> unoptimized = Handle<Code>(function->code());
+ Handle<Code> code = Compiler::GetOptimizedCode(function, unoptimized,
+ Compiler::NOT_CONCURRENT);
+ CHECK(!code.is_null());
+#if ENABLE_DISASSEMBLER
+ if (FLAG_print_opt_code) {
+ CodeTracer::Scope tracing_scope(isolate->GetCodeTracer());
+ code->Disassemble("test code", tracing_scope.file());
+ }
+#endif
+ function->ReplaceCode(*code);
+#endif
+ return function;
+ }
+
+ static void EnsureDeoptimizationSupport(CompilationInfo* info) {
+ bool should_recompile = !info->shared_info()->has_deoptimization_support();
+ if (should_recompile) {
+ CompilationInfoWithZone unoptimized(info->shared_info());
+ // Note that we use the same AST that we will use for generating the
+ // optimized code.
+ unoptimized.SetFunction(info->function());
+ unoptimized.PrepareForCompilation(info->scope());
+ unoptimized.SetContext(info->context());
+ if (should_recompile) unoptimized.EnableDeoptimizationSupport();
+ bool succeeded = FullCodeGenerator::MakeCode(&unoptimized);
+ CHECK(succeeded);
+ Handle<SharedFunctionInfo> shared = info->shared_info();
+ shared->EnableDeoptimizationSupport(*unoptimized.code());
+ }
+ }
+
+ MaybeHandle<Object> Call(Handle<Object> a, Handle<Object> b) {
+ Handle<Object> args[] = {a, b};
+ return Execution::Call(isolate, function, undefined(), 2, args, false);
+ }
+
+ void CheckThrows(Handle<Object> a, Handle<Object> b) {
+ TryCatch try_catch;
+ MaybeHandle<Object> no_result = Call(a, b);
+ CHECK(isolate->has_pending_exception());
+ CHECK(try_catch.HasCaught());
+ CHECK(no_result.is_null());
+ // TODO(mstarzinger): Temporary workaround for issue chromium:362388.
+ isolate->OptionalRescheduleException(true);
+ }
+
+ v8::Handle<v8::Message> CheckThrowsReturnMessage(Handle<Object> a,
+ Handle<Object> b) {
+ TryCatch try_catch;
+ MaybeHandle<Object> no_result = Call(a, b);
+ CHECK(isolate->has_pending_exception());
+ CHECK(try_catch.HasCaught());
+ CHECK(no_result.is_null());
+ // TODO(mstarzinger): Calling OptionalRescheduleException is a dirty hack,
+ // it's the only way to make Message() not to assert because an external
+ // exception has been caught by the try_catch.
+ isolate->OptionalRescheduleException(true);
+ return try_catch.Message();
+ }
+
+ void CheckCall(Handle<Object> expected, Handle<Object> a, Handle<Object> b) {
+ Handle<Object> result = Call(a, b).ToHandleChecked();
+ CHECK(expected->SameValue(*result));
+ }
+
+ void CheckCall(Handle<Object> expected, Handle<Object> a) {
+ CheckCall(expected, a, undefined());
+ }
+
+ void CheckCall(Handle<Object> expected) {
+ CheckCall(expected, undefined(), undefined());
+ }
+
+ void CheckCall(double expected, double a, double b) {
+ CheckCall(Val(expected), Val(a), Val(b));
+ }
+
+ void CheckTrue(Handle<Object> a, Handle<Object> b) {
+ CheckCall(true_value(), a, b);
+ }
+
+ void CheckTrue(Handle<Object> a) { CheckCall(true_value(), a, undefined()); }
+
+ void CheckTrue(double a, double b) {
+ CheckCall(true_value(), Val(a), Val(b));
+ }
+
+ void CheckFalse(Handle<Object> a, Handle<Object> b) {
+ CheckCall(false_value(), a, b);
+ }
+
+ void CheckFalse(Handle<Object> a) {
+ CheckCall(false_value(), a, undefined());
+ }
+
+ void CheckFalse(double a, double b) {
+ CheckCall(false_value(), Val(a), Val(b));
+ }
+
+ Handle<JSFunction> NewFunction(const char* source) {
+ return v8::Utils::OpenHandle(
+ *v8::Handle<v8::Function>::Cast(CompileRun(source)));
+ }
+
+ Handle<JSObject> NewObject(const char* source) {
+ return v8::Utils::OpenHandle(
+ *v8::Handle<v8::Object>::Cast(CompileRun(source)));
+ }
+
+ Handle<String> Val(const char* string) {
+ return isolate->factory()->InternalizeUtf8String(string);
+ }
+
+ Handle<Object> Val(double value) {
+ return isolate->factory()->NewNumber(value);
+ }
+
+ Handle<Object> infinity() { return isolate->factory()->infinity_value(); }
+
+ Handle<Object> minus_infinity() { return Val(-V8_INFINITY); }
+
+ Handle<Object> nan() { return isolate->factory()->nan_value(); }
+
+ Handle<Object> undefined() { return isolate->factory()->undefined_value(); }
+
+ Handle<Object> null() { return isolate->factory()->null_value(); }
+
+ Handle<Object> true_value() { return isolate->factory()->true_value(); }
+
+ Handle<Object> false_value() { return isolate->factory()->false_value(); }
+};
+}
+}
+} // namespace v8::internal::compiler
+
+#endif // V8_CCTEST_COMPILER_FUNCTION_TESTER_H_
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