6131ab1edd
This CL implements PrepareForTailCall() mentioned in ES6 spec for full codegen, Crankshaft and Turbofan. When debugger is active tail calls are disabled. Tail calling can be enabled by --harmony-tailcalls flag. BUG=v8:4698 LOG=Y TBR=rossberg@chromium.org Review URL: https://codereview.chromium.org/1609893003 Cr-Commit-Position: refs/heads/master@{#33509}
123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
// Copyright 2012 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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#ifndef V8_CODE_FACTORY_H_
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#define V8_CODE_FACTORY_H_
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#include "src/allocation.h"
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#include "src/assembler.h"
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#include "src/codegen.h"
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#include "src/globals.h"
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#include "src/interface-descriptors.h"
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namespace v8 {
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namespace internal {
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// Associates a body of code with an interface descriptor.
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class Callable final BASE_EMBEDDED {
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public:
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Callable(Handle<Code> code, CallInterfaceDescriptor descriptor)
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: code_(code), descriptor_(descriptor) {}
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Handle<Code> code() const { return code_; }
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CallInterfaceDescriptor descriptor() const { return descriptor_; }
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private:
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const Handle<Code> code_;
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const CallInterfaceDescriptor descriptor_;
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};
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class CodeFactory final {
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public:
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// Initial states for ICs.
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static Callable LoadIC(Isolate* isolate, TypeofMode typeof_mode,
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LanguageMode language_mode);
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static Callable LoadICInOptimizedCode(Isolate* isolate,
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TypeofMode typeof_mode,
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LanguageMode language_mode,
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InlineCacheState initialization_state);
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static Callable KeyedLoadIC(Isolate* isolate, LanguageMode language_mode);
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static Callable KeyedLoadICInOptimizedCode(
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Isolate* isolate, LanguageMode language_mode,
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InlineCacheState initialization_state);
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static Callable CallIC(Isolate* isolate, int argc,
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ConvertReceiverMode mode = ConvertReceiverMode::kAny,
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TailCallMode tail_call_mode = TailCallMode::kDisallow);
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static Callable CallICInOptimizedCode(
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Isolate* isolate, int argc,
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ConvertReceiverMode mode = ConvertReceiverMode::kAny,
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TailCallMode tail_call_mode = TailCallMode::kDisallow);
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static Callable StoreIC(Isolate* isolate, LanguageMode mode);
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static Callable StoreICInOptimizedCode(Isolate* isolate, LanguageMode mode,
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InlineCacheState initialization_state);
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static Callable KeyedStoreIC(Isolate* isolate, LanguageMode mode);
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static Callable KeyedStoreICInOptimizedCode(
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Isolate* isolate, LanguageMode mode,
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InlineCacheState initialization_state);
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static Callable CompareIC(Isolate* isolate, Token::Value op,
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Strength strength);
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static Callable CompareNilIC(Isolate* isolate, NilValue nil_value);
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static Callable BinaryOpIC(Isolate* isolate, Token::Value op,
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Strength strength);
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// Code stubs. Add methods here as needed to reduce dependency on
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// code-stubs.h.
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static Callable InstanceOf(Isolate* isolate);
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static Callable ToBoolean(Isolate* isolate);
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static Callable ToNumber(Isolate* isolate);
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static Callable ToString(Isolate* isolate);
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static Callable ToName(Isolate* isolate);
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static Callable ToLength(Isolate* isolate);
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static Callable ToObject(Isolate* isolate);
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static Callable NumberToString(Isolate* isolate);
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static Callable RegExpConstructResult(Isolate* isolate);
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static Callable RegExpExec(Isolate* isolate);
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static Callable StringAdd(Isolate* isolate, StringAddFlags flags,
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PretenureFlag pretenure_flag);
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static Callable StringCompare(Isolate* isolate);
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static Callable SubString(Isolate* isolate);
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static Callable Typeof(Isolate* isolate);
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static Callable FastCloneRegExp(Isolate* isolate);
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static Callable FastCloneShallowArray(Isolate* isolate);
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static Callable FastCloneShallowObject(Isolate* isolate, int length);
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static Callable FastNewContext(Isolate* isolate, int slot_count);
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static Callable FastNewClosure(Isolate* isolate, LanguageMode language_mode,
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FunctionKind kind);
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static Callable ArgumentsAccess(Isolate* isolate, bool is_unmapped_arguments,
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bool has_duplicate_parameters);
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static Callable RestArgumentsAccess(Isolate* isolate);
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static Callable AllocateHeapNumber(Isolate* isolate);
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static Callable AllocateMutableHeapNumber(Isolate* isolate);
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static Callable AllocateInNewSpace(Isolate* isolate);
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static Callable ArgumentAdaptor(Isolate* isolate);
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static Callable Call(Isolate* isolate,
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ConvertReceiverMode mode = ConvertReceiverMode::kAny);
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static Callable CallFunction(
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Isolate* isolate, ConvertReceiverMode mode = ConvertReceiverMode::kAny);
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static Callable Construct(Isolate* isolate);
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static Callable ConstructFunction(Isolate* isolate);
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static Callable InterpreterPushArgsAndCall(Isolate* isolate);
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static Callable InterpreterPushArgsAndConstruct(Isolate* isolate);
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static Callable InterpreterCEntry(Isolate* isolate, int result_size = 1);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_CODE_FACTORY_H_
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