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// Copyright 2008-2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// A light-weight assembler for the Irregexp byte code.
#include "v8.h"
#include "ast.h"
#include "bytecodes-irregexp.h"
#ifndef V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
#define V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
namespace v8 {
namespace internal {
#ifdef V8_INTERPRETED_REGEXP
void RegExpMacroAssemblerIrregexp::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_.start() + pc_) = word;
pc_ += 4;
}
void RegExpMacroAssemblerIrregexp::Emit16(uint32_t word) {
ASSERT(pc_ <= buffer_.length());
if (pc_ + 1 >= buffer_.length()) {
Expand();
}
*reinterpret_cast<uint16_t*>(buffer_.start() + pc_) = word;
pc_ += 2;
}
void RegExpMacroAssemblerIrregexp::Emit32(uint32_t word) {
ASSERT(pc_ <= buffer_.length());
if (pc_ + 3 >= buffer_.length()) {
Expand();
}
*reinterpret_cast<uint32_t*>(buffer_.start() + pc_) = word;
pc_ += 4;
}
#endif // V8_INTERPRETED_REGEXP
} } // namespace v8::internal
#endif // V8_REGEXP_MACRO_ASSEMBLER_IRREGEXP_INL_H_
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