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// Copyright 2017 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_BUILTINS_BUILTINS_UTILS_GEN_H_
#define V8_BUILTINS_BUILTINS_UTILS_GEN_H_
#include "include/cppgc/source-location.h"
#include "src/builtins/builtins-descriptors.h"
namespace v8 {
namespace internal {
namespace compiler {
class CodeAssemblerState;
} // namespace compiler
// ----------------------------------------------------------------------------
// Support macro for defining builtins with Turbofan.
// ----------------------------------------------------------------------------
//
// A builtin function is defined by writing:
//
// TF_BUILTIN(name, code_assember_base_class) {
// ...
// }
//
// In the body of the builtin function the arguments can be accessed
// as "Parameter(n)".
#define TF_BUILTIN(Name, AssemblerBase) \
class Name##Assembler : public AssemblerBase { \
public: \
using Descriptor = Builtin_##Name##_InterfaceDescriptor; \
\
explicit Name##Assembler(compiler::CodeAssemblerState* state) \
: AssemblerBase(state) {} \
void Generate##Name##Impl(); \
\
template <class T> \
TNode<T> Parameter( \
Descriptor::ParameterIndices index, \
cppgc::SourceLocation loc = cppgc::SourceLocation::Current()) { \
return CodeAssembler::Parameter<T>(static_cast<int>(index), loc); \
} \
\
template <class T> \
TNode<T> UncheckedParameter(Descriptor::ParameterIndices index) { \
return CodeAssembler::UncheckedParameter<T>(static_cast<int>(index)); \
} \
}; \
void Builtins::Generate_##Name(compiler::CodeAssemblerState* state) { \
Name##Assembler assembler(state); \
state->SetInitialDebugInformation(#Name, __FILE__, __LINE__); \
if (Builtins::KindOf(Builtin::k##Name) == Builtins::TFJ) { \
assembler.PerformStackCheck(assembler.GetJSContextParameter()); \
} \
assembler.Generate##Name##Impl(); \
} \
void Name##Assembler::Generate##Name##Impl()
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_UTILS_GEN_H_
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