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// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// A light-weight assembler for the Irregexp byte code.
#include "vm/regexp_bytecodes.h"
#ifndef VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_
#define VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_
namespace dart {
void BytecodeRegExpMacroAssembler::Emit(uint32_t byte,
uint32_t twenty_four_bits) {
uint32_t word = ((twenty_four_bits << BYTECODE_SHIFT) | byte);
ASSERT(pc_ <= buffer_->length());
if (pc_ + 3 >= buffer_->length()) {
Expand();
}
*reinterpret_cast<uint32_t*>(buffer_->data() + pc_) = word;
pc_ += 4;
}
void BytecodeRegExpMacroAssembler::Emit16(uint32_t word) {
ASSERT(pc_ <= buffer_->length());
if (pc_ + 1 >= buffer_->length()) {
Expand();
}
*reinterpret_cast<uint16_t*>(buffer_->data() + pc_) = word;
pc_ += 2;
}
void BytecodeRegExpMacroAssembler::Emit8(uint32_t word) {
ASSERT(pc_ <= buffer_->length());
if (pc_ == buffer_->length()) {
Expand();
}
*reinterpret_cast<unsigned char*>(buffer_->data() + pc_) = word;
pc_ += 1;
}
void BytecodeRegExpMacroAssembler::Emit32(uint32_t word) {
ASSERT(pc_ <= buffer_->length());
if (pc_ + 3 >= buffer_->length()) {
Expand();
}
*reinterpret_cast<uint32_t*>(buffer_->data() + pc_) = word;
pc_ += 4;
}
} // namespace dart
#endif // VM_REGEXP_ASSEMBLER_BYTECODE_INL_H_