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373 lines
12 KiB
373 lines
12 KiB
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "ast.h"
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#include "regexp-macro-assembler.h"
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#include "regexp-macro-assembler-tracer.h"
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namespace v8 {
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namespace internal {
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RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
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RegExpMacroAssembler* assembler) :
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assembler_(assembler) {
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unsigned int type = assembler->Implementation();
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ASSERT(type < 4);
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const char* impl_names[4] = {"IA32", "ARM", "X64", "Bytecode"};
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PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
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}
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RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
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}
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// This is used for printing out debugging information. It makes an integer
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// that is closely related to the address of an object.
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static int LabelToInt(Label* label) {
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return static_cast<int>(reinterpret_cast<intptr_t>(label));
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}
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void RegExpMacroAssemblerTracer::Bind(Label* label) {
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PrintF("label[%08x]: (Bind)\n", LabelToInt(label));
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assembler_->Bind(label);
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}
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void RegExpMacroAssemblerTracer::AdvanceCurrentPosition(int by) {
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PrintF(" AdvanceCurrentPosition(by=%d);\n", by);
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assembler_->AdvanceCurrentPosition(by);
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}
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void RegExpMacroAssemblerTracer::CheckGreedyLoop(Label* label) {
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PrintF(" CheckGreedyLoop(label[%08x]);\n\n", LabelToInt(label));
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assembler_->CheckGreedyLoop(label);
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}
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void RegExpMacroAssemblerTracer::PopCurrentPosition() {
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PrintF(" PopCurrentPosition();\n");
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assembler_->PopCurrentPosition();
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}
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void RegExpMacroAssemblerTracer::PushCurrentPosition() {
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PrintF(" PushCurrentPosition();\n");
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assembler_->PushCurrentPosition();
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}
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void RegExpMacroAssemblerTracer::Backtrack() {
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PrintF(" Backtrack();\n");
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assembler_->Backtrack();
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}
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void RegExpMacroAssemblerTracer::GoTo(Label* label) {
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PrintF(" GoTo(label[%08x]);\n\n", LabelToInt(label));
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assembler_->GoTo(label);
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}
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void RegExpMacroAssemblerTracer::PushBacktrack(Label* label) {
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PrintF(" PushBacktrack(label[%08x]);\n", LabelToInt(label));
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assembler_->PushBacktrack(label);
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}
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void RegExpMacroAssemblerTracer::Succeed() {
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PrintF(" Succeed();\n");
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assembler_->Succeed();
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}
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void RegExpMacroAssemblerTracer::Fail() {
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PrintF(" Fail();\n");
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assembler_->Fail();
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}
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void RegExpMacroAssemblerTracer::PopRegister(int register_index) {
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PrintF(" PopRegister(register=%d);\n", register_index);
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assembler_->PopRegister(register_index);
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}
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void RegExpMacroAssemblerTracer::PushRegister(
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int register_index,
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StackCheckFlag check_stack_limit) {
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PrintF(" PushRegister(register=%d, %s);\n",
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register_index,
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check_stack_limit ? "check stack limit" : "");
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assembler_->PushRegister(register_index, check_stack_limit);
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}
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void RegExpMacroAssemblerTracer::AdvanceRegister(int reg, int by) {
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PrintF(" AdvanceRegister(register=%d, by=%d);\n", reg, by);
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assembler_->AdvanceRegister(reg, by);
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}
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void RegExpMacroAssemblerTracer::SetCurrentPositionFromEnd(int by) {
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PrintF(" SetCurrentPositionFromEnd(by=%d);\n", by);
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assembler_->SetCurrentPositionFromEnd(by);
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}
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void RegExpMacroAssemblerTracer::SetRegister(int register_index, int to) {
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PrintF(" SetRegister(register=%d, to=%d);\n", register_index, to);
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assembler_->SetRegister(register_index, to);
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}
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void RegExpMacroAssemblerTracer::WriteCurrentPositionToRegister(int reg,
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int cp_offset) {
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PrintF(" WriteCurrentPositionToRegister(register=%d,cp_offset=%d);\n",
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reg,
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cp_offset);
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assembler_->WriteCurrentPositionToRegister(reg, cp_offset);
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}
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void RegExpMacroAssemblerTracer::ClearRegisters(int reg_from, int reg_to) {
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PrintF(" ClearRegister(from=%d, to=%d);\n", reg_from, reg_to);
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assembler_->ClearRegisters(reg_from, reg_to);
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}
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void RegExpMacroAssemblerTracer::ReadCurrentPositionFromRegister(int reg) {
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PrintF(" ReadCurrentPositionFromRegister(register=%d);\n", reg);
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assembler_->ReadCurrentPositionFromRegister(reg);
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}
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void RegExpMacroAssemblerTracer::WriteStackPointerToRegister(int reg) {
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PrintF(" WriteStackPointerToRegister(register=%d);\n", reg);
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assembler_->WriteStackPointerToRegister(reg);
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}
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void RegExpMacroAssemblerTracer::ReadStackPointerFromRegister(int reg) {
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PrintF(" ReadStackPointerFromRegister(register=%d);\n", reg);
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assembler_->ReadStackPointerFromRegister(reg);
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}
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void RegExpMacroAssemblerTracer::LoadCurrentCharacter(int cp_offset,
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Label* on_end_of_input,
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bool check_bounds,
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int characters) {
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const char* check_msg = check_bounds ? "" : " (unchecked)";
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PrintF(" LoadCurrentCharacter(cp_offset=%d, label[%08x]%s (%d chars));\n",
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cp_offset,
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LabelToInt(on_end_of_input),
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check_msg,
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characters);
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assembler_->LoadCurrentCharacter(cp_offset,
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on_end_of_input,
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check_bounds,
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characters);
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}
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void RegExpMacroAssemblerTracer::CheckCharacterLT(uc16 limit, Label* on_less) {
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PrintF(" CheckCharacterLT(c='u%04x', label[%08x]);\n",
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limit, LabelToInt(on_less));
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assembler_->CheckCharacterLT(limit, on_less);
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}
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void RegExpMacroAssemblerTracer::CheckCharacterGT(uc16 limit,
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Label* on_greater) {
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PrintF(" CheckCharacterGT(c='u%04x', label[%08x]);\n",
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limit, LabelToInt(on_greater));
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assembler_->CheckCharacterGT(limit, on_greater);
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}
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void RegExpMacroAssemblerTracer::CheckCharacter(unsigned c, Label* on_equal) {
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PrintF(" CheckCharacter(c='u%04x', label[%08x]);\n",
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c, LabelToInt(on_equal));
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assembler_->CheckCharacter(c, on_equal);
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}
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void RegExpMacroAssemblerTracer::CheckAtStart(Label* on_at_start) {
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PrintF(" CheckAtStart(label[%08x]);\n", LabelToInt(on_at_start));
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assembler_->CheckAtStart(on_at_start);
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}
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void RegExpMacroAssemblerTracer::CheckNotAtStart(Label* on_not_at_start) {
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PrintF(" CheckNotAtStart(label[%08x]);\n", LabelToInt(on_not_at_start));
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assembler_->CheckNotAtStart(on_not_at_start);
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}
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void RegExpMacroAssemblerTracer::CheckNotCharacter(unsigned c,
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Label* on_not_equal) {
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PrintF(" CheckNotCharacter(c='u%04x', label[%08x]);\n",
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c, LabelToInt(on_not_equal));
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assembler_->CheckNotCharacter(c, on_not_equal);
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}
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void RegExpMacroAssemblerTracer::CheckCharacterAfterAnd(
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unsigned c,
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unsigned mask,
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Label* on_equal) {
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PrintF(" CheckCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
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c,
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mask,
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LabelToInt(on_equal));
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assembler_->CheckCharacterAfterAnd(c, mask, on_equal);
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}
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void RegExpMacroAssemblerTracer::CheckNotCharacterAfterAnd(
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unsigned c,
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unsigned mask,
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Label* on_not_equal) {
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PrintF(" CheckNotCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
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c,
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mask,
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LabelToInt(on_not_equal));
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assembler_->CheckNotCharacterAfterAnd(c, mask, on_not_equal);
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}
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void RegExpMacroAssemblerTracer::CheckNotCharacterAfterMinusAnd(
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uc16 c,
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uc16 minus,
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uc16 mask,
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Label* on_not_equal) {
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PrintF(" CheckNotCharacterAfterMinusAnd(c='u%04x', minus=%04x, mask=0x%04x, "
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"label[%08x]);\n",
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c,
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minus,
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mask,
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LabelToInt(on_not_equal));
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assembler_->CheckNotCharacterAfterMinusAnd(c, minus, mask, on_not_equal);
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}
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void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
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Label* on_no_match) {
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PrintF(" CheckNotBackReference(register=%d, label[%08x]);\n", start_reg,
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LabelToInt(on_no_match));
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assembler_->CheckNotBackReference(start_reg, on_no_match);
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}
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void RegExpMacroAssemblerTracer::CheckNotBackReferenceIgnoreCase(
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int start_reg,
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Label* on_no_match) {
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PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, label[%08x]);\n",
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start_reg, LabelToInt(on_no_match));
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assembler_->CheckNotBackReferenceIgnoreCase(start_reg, on_no_match);
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}
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void RegExpMacroAssemblerTracer::CheckNotRegistersEqual(int reg1,
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int reg2,
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Label* on_not_equal) {
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PrintF(" CheckNotRegistersEqual(reg1=%d, reg2=%d, label[%08x]);\n",
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reg1,
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reg2,
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LabelToInt(on_not_equal));
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assembler_->CheckNotRegistersEqual(reg1, reg2, on_not_equal);
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}
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void RegExpMacroAssemblerTracer::CheckCharacters(Vector<const uc16> str,
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int cp_offset,
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Label* on_failure,
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bool check_end_of_string) {
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PrintF(" %s(str=\"",
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check_end_of_string ? "CheckCharacters" : "CheckCharactersUnchecked");
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for (int i = 0; i < str.length(); i++) {
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PrintF("u%04x", str[i]);
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}
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PrintF("\", cp_offset=%d, label[%08x])\n",
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cp_offset, LabelToInt(on_failure));
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assembler_->CheckCharacters(str, cp_offset, on_failure, check_end_of_string);
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}
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bool RegExpMacroAssemblerTracer::CheckSpecialCharacterClass(
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uc16 type,
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Label* on_no_match) {
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bool supported = assembler_->CheckSpecialCharacterClass(type,
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on_no_match);
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PrintF(" CheckSpecialCharacterClass(type='%c', label[%08x]): %s;\n",
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type,
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LabelToInt(on_no_match),
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supported ? "true" : "false");
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return supported;
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}
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void RegExpMacroAssemblerTracer::IfRegisterLT(int register_index,
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int comparand, Label* if_lt) {
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PrintF(" IfRegisterLT(register=%d, number=%d, label[%08x]);\n",
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register_index, comparand, LabelToInt(if_lt));
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assembler_->IfRegisterLT(register_index, comparand, if_lt);
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}
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void RegExpMacroAssemblerTracer::IfRegisterEqPos(int register_index,
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Label* if_eq) {
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PrintF(" IfRegisterEqPos(register=%d, label[%08x]);\n",
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register_index, LabelToInt(if_eq));
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assembler_->IfRegisterEqPos(register_index, if_eq);
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}
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void RegExpMacroAssemblerTracer::IfRegisterGE(int register_index,
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int comparand, Label* if_ge) {
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PrintF(" IfRegisterGE(register=%d, number=%d, label[%08x]);\n",
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register_index, comparand, LabelToInt(if_ge));
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assembler_->IfRegisterGE(register_index, comparand, if_ge);
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}
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RegExpMacroAssembler::IrregexpImplementation
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RegExpMacroAssemblerTracer::Implementation() {
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return assembler_->Implementation();
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}
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Handle<Object> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
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PrintF(" GetCode(%s);\n", *(source->ToCString()));
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return assembler_->GetCode(source);
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}
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}} // namespace v8::internal
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