v8/src/code-factory.h

// Copyright 2012 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_CODE_FACTORY_H_
#define V8_CODE_FACTORY_H_

#include "src/allocation.h"
#include "src/assembler.h"
#include "src/codegen.h"
#include "src/globals.h"
#include "src/interface-descriptors.h"

namespace v8 {
namespace internal {

// Associates a body of code with an interface descriptor.
class Callable final BASE_EMBEDDED {
 public:
  Callable(Handle<Code> code, CallInterfaceDescriptor descriptor)
      : code_(code), descriptor_(descriptor) {}

  Handle<Code> code() const { return code_; }
  CallInterfaceDescriptor descriptor() const { return descriptor_; }

 private:
  const Handle<Code> code_;
  const CallInterfaceDescriptor descriptor_;
};


class CodeFactory final {
 public:
  // Initial states for ICs.
  static Callable LoadIC(Isolate* isolate, TypeofMode typeof_mode);
  static Callable LoadICInOptimizedCode(Isolate* isolate,
                                        TypeofMode typeof_mode,
                                        InlineCacheState initialization_state);
  static Callable KeyedLoadIC(Isolate* isolate);
  static Callable KeyedLoadICInOptimizedCode(
      Isolate* isolate, InlineCacheState initialization_state);
  static Callable CallIC(Isolate* isolate, int argc,
                         ConvertReceiverMode mode = ConvertReceiverMode::kAny,
                         TailCallMode tail_call_mode = TailCallMode::kDisallow);
  static Callable CallICInOptimizedCode(
      Isolate* isolate, int argc,
      ConvertReceiverMode mode = ConvertReceiverMode::kAny,
      TailCallMode tail_call_mode = TailCallMode::kDisallow);
  static Callable StoreIC(Isolate* isolate, LanguageMode mode);
  static Callable StoreICInOptimizedCode(Isolate* isolate, LanguageMode mode,
                                         InlineCacheState initialization_state);
  static Callable KeyedStoreIC(Isolate* isolate, LanguageMode mode);
  static Callable KeyedStoreICInOptimizedCode(
      Isolate* isolate, LanguageMode mode,
      InlineCacheState initialization_state);

  static Callable ResumeGenerator(Isolate* isolate);

  static Callable CompareIC(Isolate* isolate, Token::Value op);
  static Callable CompareNilIC(Isolate* isolate, NilValue nil_value);

  static Callable BinaryOpIC(Isolate* isolate, Token::Value op);

  // Code stubs. Add methods here as needed to reduce dependency on
  // code-stubs.h.
  static Callable InstanceOf(Isolate* isolate);

  static Callable ToBoolean(Isolate* isolate);

  static Callable ToNumber(Isolate* isolate);
  static Callable NonNumberToNumber(Isolate* isolate);
  static Callable StringToNumber(Isolate* isolate);
  static Callable ToString(Isolate* isolate);
  static Callable ToName(Isolate* isolate);
  static Callable ToInteger(Isolate* isolate);
  static Callable ToLength(Isolate* isolate);
  static Callable ToObject(Isolate* isolate);
  static Callable NumberToString(Isolate* isolate);

  static Callable RegExpConstructResult(Isolate* isolate);
  static Callable RegExpExec(Isolate* isolate);

  static Callable Add(Isolate* isolate);
  static Callable Subtract(Isolate* isolate);
  static Callable Multiply(Isolate* isolate);
  static Callable Divide(Isolate* isolate);
  static Callable Modulus(Isolate* isolate);
  static Callable ShiftRight(Isolate* isolate);
  static Callable ShiftRightLogical(Isolate* isolate);
  static Callable ShiftLeft(Isolate* isolate);
  static Callable BitwiseAnd(Isolate* isolate);
  static Callable BitwiseOr(Isolate* isolate);
  static Callable BitwiseXor(Isolate* isolate);
  static Callable LessThan(Isolate* isolate);
  static Callable LessThanOrEqual(Isolate* isolate);
  static Callable GreaterThan(Isolate* isolate);
  static Callable GreaterThanOrEqual(Isolate* isolate);
  static Callable Equal(Isolate* isolate);
  static Callable NotEqual(Isolate* isolate);
  static Callable StrictEqual(Isolate* isolate);
  static Callable StrictNotEqual(Isolate* isolate);

  static Callable StringAdd(Isolate* isolate, StringAddFlags flags,
                            PretenureFlag pretenure_flag);
  static Callable StringCompare(Isolate* isolate, Token::Value token);
  static Callable StringEqual(Isolate* isolate);
  static Callable StringNotEqual(Isolate* isolate);
  static Callable StringLessThan(Isolate* isolate);
  static Callable StringLessThanOrEqual(Isolate* isolate);
  static Callable StringGreaterThan(Isolate* isolate);
  static Callable StringGreaterThanOrEqual(Isolate* isolate);
  static Callable SubString(Isolate* isolate);

  static Callable Typeof(Isolate* isolate);

  static Callable FastCloneRegExp(Isolate* isolate);
  static Callable FastCloneShallowArray(Isolate* isolate);
  static Callable FastCloneShallowObject(Isolate* isolate, int length);

  static Callable FastNewContext(Isolate* isolate, int slot_count);
  static Callable FastNewClosure(Isolate* isolate, LanguageMode language_mode,
                                 FunctionKind kind);
  static Callable FastNewObject(Isolate* isolate);
  static Callable FastNewRestParameter(Isolate* isolate);
  static Callable FastNewSloppyArguments(Isolate* isolate);
  static Callable FastNewStrictArguments(Isolate* isolate);

  static Callable AllocateHeapNumber(Isolate* isolate);
  static Callable AllocateMutableHeapNumber(Isolate* isolate);
#define SIMD128_ALLOC(TYPE, Type, type, lane_count, lane_type) \
  static Callable Allocate##Type(Isolate* isolate);
  SIMD128_TYPES(SIMD128_ALLOC)
#undef SIMD128_ALLOC
  static Callable Allocate(Isolate* isolate, PretenureFlag pretenure_flag);

  static Callable ArgumentAdaptor(Isolate* isolate);
  static Callable Call(Isolate* isolate,
                       ConvertReceiverMode mode = ConvertReceiverMode::kAny,
                       TailCallMode tail_call_mode = TailCallMode::kDisallow);
  static Callable CallFunction(
      Isolate* isolate, ConvertReceiverMode mode = ConvertReceiverMode::kAny);
  static Callable Construct(Isolate* isolate);
  static Callable ConstructFunction(Isolate* isolate);

  static Callable InterpreterPushArgsAndCall(Isolate* isolate,
                                             TailCallMode tail_call_mode);
  static Callable InterpreterPushArgsAndConstruct(Isolate* isolate);
  static Callable InterpreterCEntry(Isolate* isolate, int result_size = 1);
};

}  // namespace internal
}  // namespace v8

#endif  // V8_CODE_FACTORY_H_