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// Copyright 2020 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.
#include "src/torque/torque-code-generator.h"
#include "src/torque/global-context.h"
namespace v8 {
namespace internal {
namespace torque {
bool TorqueCodeGenerator::IsEmptyInstruction(const Instruction& instruction) {
switch (instruction.kind()) {
case InstructionKind::kPeekInstruction:
case InstructionKind::kPokeInstruction:
case InstructionKind::kDeleteRangeInstruction:
case InstructionKind::kPushUninitializedInstruction:
case InstructionKind::kPushBuiltinPointerInstruction:
case InstructionKind::kUnsafeCastInstruction:
return true;
default:
return false;
}
}
void TorqueCodeGenerator::EmitInstruction(const Instruction& instruction,
Stack<std::string>* stack) {
#ifdef DEBUG
if (!IsEmptyInstruction(instruction)) {
EmitSourcePosition(instruction->pos);
}
#endif
switch (instruction.kind()) {
#define ENUM_ITEM(T) \
case InstructionKind::k##T: \
if (GlobalContext::annotate_ir()) { \
EmitIRAnnotation(instruction.Cast<T>(), stack); \
} \
return EmitInstruction(instruction.Cast<T>(), stack);
TORQUE_INSTRUCTION_LIST(ENUM_ITEM)
#undef ENUM_ITEM
}
}
void TorqueCodeGenerator::EmitInstruction(const PeekInstruction& instruction,
Stack<std::string>* stack) {
stack->Push(stack->Peek(instruction.slot));
}
void TorqueCodeGenerator::EmitInstruction(const PokeInstruction& instruction,
Stack<std::string>* stack) {
stack->Poke(instruction.slot, stack->Top());
stack->Pop();
}
void TorqueCodeGenerator::EmitInstruction(
const DeleteRangeInstruction& instruction, Stack<std::string>* stack) {
stack->DeleteRange(instruction.range);
}
} // namespace torque
} // namespace internal
} // namespace v8
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