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// 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.
#ifndef V8_COMPILER_CODE_STUB_ASSEMBLER_H_
#define V8_COMPILER_CODE_STUB_ASSEMBLER_H_
// Clients of this interface shouldn't depend on lots of compiler internals.
// Do not include anything from src/compiler here!
#include "src/allocation.h"
#include "src/builtins.h"
#include "src/runtime/runtime.h"
namespace v8 {
namespace internal {
class CallInterfaceDescriptor;
class Isolate;
class Zone;
namespace compiler {
class CallDescriptor;
class Graph;
class Node;
class Operator;
class RawMachineAssembler;
class Schedule;
class CodeStubAssembler {
public:
CodeStubAssembler(Isolate* isolate, Zone* zone,
const CallInterfaceDescriptor& descriptor, Code::Kind kind,
const char* name);
virtual ~CodeStubAssembler();
Handle<Code> GenerateCode();
// Constants.
Node* Int32Constant(int value);
Node* IntPtrConstant(intptr_t value);
Node* NumberConstant(double value);
Node* HeapConstant(Handle<HeapObject> object);
Node* BooleanConstant(bool value);
Node* Parameter(int value);
void Return(Node* value);
// Tag and untag Smi values.
Node* SmiTag(Node* value);
Node* SmiUntag(Node* value);
// Basic arithmetic operations.
Node* IntPtrAdd(Node* a, Node* b);
Node* IntPtrSub(Node* a, Node* b);
Node* WordShl(Node* value, int shift);
// Load a field from an object on the heap.
Node* LoadObjectField(Node* object, int offset);
// Call runtime function.
Node* CallRuntime(Runtime::FunctionId function_id, Node* context, Node* arg1);
Node* CallRuntime(Runtime::FunctionId function_id, Node* context, Node* arg1,
Node* arg2);
Node* TailCallRuntime(Runtime::FunctionId function_id, Node* context,
Node* arg1);
Node* TailCallRuntime(Runtime::FunctionId function_id, Node* context,
Node* arg1, Node* arg2);
private:
friend class CodeStubAssemblerTester;
Node* CallN(CallDescriptor* descriptor, Node* code_target, Node** args);
Node* TailCallN(CallDescriptor* descriptor, Node* code_target, Node** args);
Node* SmiShiftBitsConstant();
// Private helpers which delegate to RawMachineAssembler.
Graph* graph();
Isolate* isolate();
Zone* zone();
base::SmartPointer<RawMachineAssembler> raw_assembler_;
Code::Kind kind_;
const char* name_;
bool code_generated_;
DISALLOW_COPY_AND_ASSIGN(CodeStubAssembler);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_CODE_STUB_ASSEMBLER_H_
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