src/regexp-macro-assembler-tracer.cc - platform/external/v8 - Git at Google

 // Copyright 2008 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.

 #include "v8.h"
 #include "ast.h"
 #include "regexp-macro-assembler.h"
 #include "regexp-macro-assembler-tracer.h"

 namespace v8 {
 namespace internal {

 RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
     RegExpMacroAssembler* assembler) :
   assembler_(assembler) {
   unsigned int type = assembler->Implementation();
   ASSERT(type < 4);
   const char* impl_names[4] = {"IA32", "ARM", "X64", "Bytecode"};
   PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
 }


 RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
 }


 void RegExpMacroAssemblerTracer::Bind(Label* label) {
   PrintF("label[%08x]: (Bind)\n", label, label);
   assembler_->Bind(label);
 }


 void RegExpMacroAssemblerTracer::AdvanceCurrentPosition(int by) {
   PrintF(" AdvanceCurrentPosition(by=%d);\n", by);
   assembler_->AdvanceCurrentPosition(by);
 }


 void RegExpMacroAssemblerTracer::CheckGreedyLoop(Label* label) {
   PrintF(" CheckGreedyLoop(label[%08x]);\n\n", label);
   assembler_->CheckGreedyLoop(label);
 }


 void RegExpMacroAssemblerTracer::PopCurrentPosition() {
   PrintF(" PopCurrentPosition();\n");
   assembler_->PopCurrentPosition();
 }


 void RegExpMacroAssemblerTracer::PushCurrentPosition() {
   PrintF(" PushCurrentPosition();\n");
   assembler_->PushCurrentPosition();
 }


 void RegExpMacroAssemblerTracer::Backtrack() {
   PrintF(" Backtrack();\n");
   assembler_->Backtrack();
 }


 void RegExpMacroAssemblerTracer::GoTo(Label* label) {
   PrintF(" GoTo(label[%08x]);\n\n", label);
   assembler_->GoTo(label);
 }


 void RegExpMacroAssemblerTracer::PushBacktrack(Label* label) {
   PrintF(" PushBacktrack(label[%08x]);\n",
          label);
   assembler_->PushBacktrack(label);
 }


 void RegExpMacroAssemblerTracer::Succeed() {
   PrintF(" Succeed();\n");
   assembler_->Succeed();
 }


 void RegExpMacroAssemblerTracer::Fail() {
   PrintF(" Fail();\n");
   assembler_->Fail();
 }


 void RegExpMacroAssemblerTracer::PopRegister(int register_index) {
   PrintF(" PopRegister(register=%d);\n", register_index);
   assembler_->PopRegister(register_index);
 }


 void RegExpMacroAssemblerTracer::PushRegister(
     int register_index,
     StackCheckFlag check_stack_limit) {
   PrintF(" PushRegister(register=%d, %s);\n",
          register_index,
          check_stack_limit ? "check stack limit" : "");
   assembler_->PushRegister(register_index, check_stack_limit);
 }


 void RegExpMacroAssemblerTracer::AdvanceRegister(int reg, int by) {
   PrintF(" AdvanceRegister(register=%d, by=%d);\n", reg, by);
   assembler_->AdvanceRegister(reg, by);
 }


 void RegExpMacroAssemblerTracer::SetRegister(int register_index, int to) {
   PrintF(" SetRegister(register=%d, to=%d);\n", register_index, to);
   assembler_->SetRegister(register_index, to);
 }


 void RegExpMacroAssemblerTracer::WriteCurrentPositionToRegister(int reg,
                                                                 int cp_offset) {
   PrintF(" WriteCurrentPositionToRegister(register=%d,cp_offset=%d);\n",
          reg,
          cp_offset);
   assembler_->WriteCurrentPositionToRegister(reg, cp_offset);
 }


 void RegExpMacroAssemblerTracer::ClearRegisters(int reg_from, int reg_to) {
   PrintF(" ClearRegister(from=%d, to=%d);\n", reg_from, reg_to);
   assembler_->ClearRegisters(reg_from, reg_to);
 }


 void RegExpMacroAssemblerTracer::ReadCurrentPositionFromRegister(int reg) {
   PrintF(" ReadCurrentPositionFromRegister(register=%d);\n", reg);
   assembler_->ReadCurrentPositionFromRegister(reg);
 }


 void RegExpMacroAssemblerTracer::WriteStackPointerToRegister(int reg) {
   PrintF(" WriteStackPointerToRegister(register=%d);\n", reg);
   assembler_->WriteStackPointerToRegister(reg);
 }


 void RegExpMacroAssemblerTracer::ReadStackPointerFromRegister(int reg) {
   PrintF(" ReadStackPointerFromRegister(register=%d);\n", reg);
   assembler_->ReadStackPointerFromRegister(reg);
 }


 void RegExpMacroAssemblerTracer::LoadCurrentCharacter(int cp_offset,
                                                       Label* on_end_of_input,
                                                       bool check_bounds,
                                                       int characters) {
   const char* check_msg = check_bounds ? "" : " (unchecked)";
   PrintF(" LoadCurrentCharacter(cp_offset=%d, label[%08x]%s (%d chars));\n",
          cp_offset,
          on_end_of_input,
          check_msg,
          characters);
   assembler_->LoadCurrentCharacter(cp_offset,
                                    on_end_of_input,
                                    check_bounds,
                                    characters);
 }


 void RegExpMacroAssemblerTracer::CheckCharacterLT(uc16 limit, Label* on_less) {
   PrintF(" CheckCharacterLT(c='u%04x', label[%08x]);\n", limit, on_less);
   assembler_->CheckCharacterLT(limit, on_less);
 }


 void RegExpMacroAssemblerTracer::CheckCharacterGT(uc16 limit,
                                                   Label* on_greater) {
   PrintF(" CheckCharacterGT(c='u%04x', label[%08x]);\n", limit, on_greater);
   assembler_->CheckCharacterGT(limit, on_greater);
 }


 void RegExpMacroAssemblerTracer::CheckCharacter(uint32_t c, Label* on_equal) {
   PrintF(" CheckCharacter(c='u%04x', label[%08x]);\n", c, on_equal);
   assembler_->CheckCharacter(c, on_equal);
 }


 void RegExpMacroAssemblerTracer::CheckAtStart(Label* on_at_start) {
   PrintF(" CheckAtStart(label[%08x]);\n", on_at_start);
   assembler_->CheckAtStart(on_at_start);
 }


 void RegExpMacroAssemblerTracer::CheckNotAtStart(Label* on_not_at_start) {
   PrintF(" CheckNotAtStart(label[%08x]);\n", on_not_at_start);
   assembler_->CheckNotAtStart(on_not_at_start);
 }


 void RegExpMacroAssemblerTracer::CheckNotCharacter(uint32_t c,
                                                    Label* on_not_equal) {
   PrintF(" CheckNotCharacter(c='u%04x', label[%08x]);\n", c, on_not_equal);
   assembler_->CheckNotCharacter(c, on_not_equal);
 }


 void RegExpMacroAssemblerTracer::CheckCharacterAfterAnd(
     uint32_t c,
     uint32_t mask,
     Label* on_equal) {
   PrintF(" CheckCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
          c,
          mask,
          on_equal);
   assembler_->CheckCharacterAfterAnd(c, mask, on_equal);
 }


 void RegExpMacroAssemblerTracer::CheckNotCharacterAfterAnd(
     uint32_t c,
     uint32_t mask,
     Label* on_not_equal) {
   PrintF(" CheckNotCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
          c,
          mask,
          on_not_equal);
   assembler_->CheckNotCharacterAfterAnd(c, mask, on_not_equal);
 }


 void RegExpMacroAssemblerTracer::CheckNotCharacterAfterMinusAnd(
     uc16 c,
     uc16 minus,
     uc16 mask,
     Label* on_not_equal) {
   PrintF(" CheckNotCharacterAfterMinusAnd(c='u%04x', minus=%04x, mask=0x%04x, "
              "label[%08x]);\n",
          c,
          minus,
          mask,
          on_not_equal);
   assembler_->CheckNotCharacterAfterMinusAnd(c, minus, mask, on_not_equal);
 }


 void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
                                                        Label* on_no_match) {
   PrintF(" CheckNotBackReference(register=%d, label[%08x]);\n", start_reg,
          on_no_match);
   assembler_->CheckNotBackReference(start_reg, on_no_match);
 }


 void RegExpMacroAssemblerTracer::CheckNotBackReferenceIgnoreCase(
     int start_reg,
     Label* on_no_match) {
   PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, label[%08x]);\n",
          start_reg, on_no_match);
   assembler_->CheckNotBackReferenceIgnoreCase(start_reg, on_no_match);
 }


 void RegExpMacroAssemblerTracer::CheckNotRegistersEqual(int reg1,
                                                         int reg2,
                                                         Label* on_not_equal) {
   PrintF(" CheckNotRegistersEqual(reg1=%d, reg2=%d, label[%08x]);\n",
          reg1,
          reg2,
          on_not_equal);
   assembler_->CheckNotRegistersEqual(reg1, reg2, on_not_equal);
 }


 void RegExpMacroAssemblerTracer::CheckCharacters(Vector<const uc16> str,
                                                  int cp_offset,
                                                  Label* on_failure,
                                                  bool check_end_of_string) {
   PrintF(" %s(str=\"",
          check_end_of_string ? "CheckCharacters" : "CheckCharactersUnchecked");
   for (int i = 0; i < str.length(); i++) {
     PrintF("u%04x", str[i]);
   }
   PrintF("\", cp_offset=%d, label[%08x])\n", cp_offset, on_failure);
   assembler_->CheckCharacters(str, cp_offset, on_failure, check_end_of_string);
 }


 bool RegExpMacroAssemblerTracer::CheckSpecialCharacterClass(
     uc16 type,
     Label* on_no_match) {
   bool supported = assembler_->CheckSpecialCharacterClass(type,
                                                           on_no_match);
   PrintF(" CheckSpecialCharacterClass(type='%c', label[%08x]): %s;\n",
          type,
          on_no_match,
          supported ? "true" : "false");
   return supported;
 }


 void RegExpMacroAssemblerTracer::IfRegisterLT(int register_index,
                                               int comparand, Label* if_lt) {
   PrintF(" IfRegisterLT(register=%d, number=%d, label[%08x]);\n",
          register_index, comparand, if_lt);
   assembler_->IfRegisterLT(register_index, comparand, if_lt);
 }


 void RegExpMacroAssemblerTracer::IfRegisterEqPos(int register_index,
                                                  Label* if_eq) {
   PrintF(" IfRegisterEqPos(register=%d, label[%08x]);\n",
          register_index, if_eq);
   assembler_->IfRegisterEqPos(register_index, if_eq);
 }


 void RegExpMacroAssemblerTracer::IfRegisterGE(int register_index,
                                               int comparand, Label* if_ge) {
   PrintF(" IfRegisterGE(register=%d, number=%d, label[%08x]);\n",
          register_index, comparand, if_ge);
   assembler_->IfRegisterGE(register_index, comparand, if_ge);
 }


 RegExpMacroAssembler::IrregexpImplementation
     RegExpMacroAssemblerTracer::Implementation() {
   return assembler_->Implementation();
 }


 Handle<Object> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
   PrintF(" GetCode(%s);\n", *(source->ToCString()));
   return assembler_->GetCode(source);
 }

 }}  // namespace v8::internal
	// Copyright 2008 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.

	#include "v8.h"
	#include "ast.h"
	#include "regexp-macro-assembler.h"
	#include "regexp-macro-assembler-tracer.h"

	namespace v8 {
	namespace internal {

	RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
	RegExpMacroAssembler* assembler) :
	assembler_(assembler) {
	unsigned int type = assembler->Implementation();
	ASSERT(type < 4);
	const char* impl_names[4] = {"IA32", "ARM", "X64", "Bytecode"};
	PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
	}


	RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
	}


	void RegExpMacroAssemblerTracer::Bind(Label* label) {
	PrintF("label[%08x]: (Bind)\n", label, label);
	assembler_->Bind(label);
	}


	void RegExpMacroAssemblerTracer::AdvanceCurrentPosition(int by) {
	PrintF(" AdvanceCurrentPosition(by=%d);\n", by);
	assembler_->AdvanceCurrentPosition(by);
	}


	void RegExpMacroAssemblerTracer::CheckGreedyLoop(Label* label) {
	PrintF(" CheckGreedyLoop(label[%08x]);\n\n", label);
	assembler_->CheckGreedyLoop(label);
	}


	void RegExpMacroAssemblerTracer::PopCurrentPosition() {
	PrintF(" PopCurrentPosition();\n");
	assembler_->PopCurrentPosition();
	}


	void RegExpMacroAssemblerTracer::PushCurrentPosition() {
	PrintF(" PushCurrentPosition();\n");
	assembler_->PushCurrentPosition();
	}


	void RegExpMacroAssemblerTracer::Backtrack() {
	PrintF(" Backtrack();\n");
	assembler_->Backtrack();
	}


	void RegExpMacroAssemblerTracer::GoTo(Label* label) {
	PrintF(" GoTo(label[%08x]);\n\n", label);
	assembler_->GoTo(label);
	}


	void RegExpMacroAssemblerTracer::PushBacktrack(Label* label) {
	PrintF(" PushBacktrack(label[%08x]);\n",
	label);
	assembler_->PushBacktrack(label);
	}


	void RegExpMacroAssemblerTracer::Succeed() {
	PrintF(" Succeed();\n");
	assembler_->Succeed();
	}


	void RegExpMacroAssemblerTracer::Fail() {
	PrintF(" Fail();\n");
	assembler_->Fail();
	}


	void RegExpMacroAssemblerTracer::PopRegister(int register_index) {
	PrintF(" PopRegister(register=%d);\n", register_index);
	assembler_->PopRegister(register_index);
	}


	void RegExpMacroAssemblerTracer::PushRegister(
	int register_index,
	StackCheckFlag check_stack_limit) {
	PrintF(" PushRegister(register=%d, %s);\n",
	register_index,
	check_stack_limit ? "check stack limit" : "");
	assembler_->PushRegister(register_index, check_stack_limit);
	}


	void RegExpMacroAssemblerTracer::AdvanceRegister(int reg, int by) {
	PrintF(" AdvanceRegister(register=%d, by=%d);\n", reg, by);
	assembler_->AdvanceRegister(reg, by);
	}


	void RegExpMacroAssemblerTracer::SetRegister(int register_index, int to) {
	PrintF(" SetRegister(register=%d, to=%d);\n", register_index, to);
	assembler_->SetRegister(register_index, to);
	}


	void RegExpMacroAssemblerTracer::WriteCurrentPositionToRegister(int reg,
	int cp_offset) {
	PrintF(" WriteCurrentPositionToRegister(register=%d,cp_offset=%d);\n",
	reg,
	cp_offset);
	assembler_->WriteCurrentPositionToRegister(reg, cp_offset);
	}


	void RegExpMacroAssemblerTracer::ClearRegisters(int reg_from, int reg_to) {
	PrintF(" ClearRegister(from=%d, to=%d);\n", reg_from, reg_to);
	assembler_->ClearRegisters(reg_from, reg_to);
	}


	void RegExpMacroAssemblerTracer::ReadCurrentPositionFromRegister(int reg) {
	PrintF(" ReadCurrentPositionFromRegister(register=%d);\n", reg);
	assembler_->ReadCurrentPositionFromRegister(reg);
	}


	void RegExpMacroAssemblerTracer::WriteStackPointerToRegister(int reg) {
	PrintF(" WriteStackPointerToRegister(register=%d);\n", reg);
	assembler_->WriteStackPointerToRegister(reg);
	}


	void RegExpMacroAssemblerTracer::ReadStackPointerFromRegister(int reg) {
	PrintF(" ReadStackPointerFromRegister(register=%d);\n", reg);
	assembler_->ReadStackPointerFromRegister(reg);
	}


	void RegExpMacroAssemblerTracer::LoadCurrentCharacter(int cp_offset,
	Label* on_end_of_input,
	bool check_bounds,
	int characters) {
	const char* check_msg = check_bounds ? "" : " (unchecked)";
	PrintF(" LoadCurrentCharacter(cp_offset=%d, label[%08x]%s (%d chars));\n",
	cp_offset,
	on_end_of_input,
	check_msg,
	characters);
	assembler_->LoadCurrentCharacter(cp_offset,
	on_end_of_input,
	check_bounds,
	characters);
	}


	void RegExpMacroAssemblerTracer::CheckCharacterLT(uc16 limit, Label* on_less) {
	PrintF(" CheckCharacterLT(c='u%04x', label[%08x]);\n", limit, on_less);
	assembler_->CheckCharacterLT(limit, on_less);
	}


	void RegExpMacroAssemblerTracer::CheckCharacterGT(uc16 limit,
	Label* on_greater) {
	PrintF(" CheckCharacterGT(c='u%04x', label[%08x]);\n", limit, on_greater);
	assembler_->CheckCharacterGT(limit, on_greater);
	}


	void RegExpMacroAssemblerTracer::CheckCharacter(uint32_t c, Label* on_equal) {
	PrintF(" CheckCharacter(c='u%04x', label[%08x]);\n", c, on_equal);
	assembler_->CheckCharacter(c, on_equal);
	}


	void RegExpMacroAssemblerTracer::CheckAtStart(Label* on_at_start) {
	PrintF(" CheckAtStart(label[%08x]);\n", on_at_start);
	assembler_->CheckAtStart(on_at_start);
	}


	void RegExpMacroAssemblerTracer::CheckNotAtStart(Label* on_not_at_start) {
	PrintF(" CheckNotAtStart(label[%08x]);\n", on_not_at_start);
	assembler_->CheckNotAtStart(on_not_at_start);
	}


	void RegExpMacroAssemblerTracer::CheckNotCharacter(uint32_t c,
	Label* on_not_equal) {
	PrintF(" CheckNotCharacter(c='u%04x', label[%08x]);\n", c, on_not_equal);
	assembler_->CheckNotCharacter(c, on_not_equal);
	}


	void RegExpMacroAssemblerTracer::CheckCharacterAfterAnd(
	uint32_t c,
	uint32_t mask,
	Label* on_equal) {
	PrintF(" CheckCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
	c,
	mask,
	on_equal);
	assembler_->CheckCharacterAfterAnd(c, mask, on_equal);
	}


	void RegExpMacroAssemblerTracer::CheckNotCharacterAfterAnd(
	uint32_t c,
	uint32_t mask,
	Label* on_not_equal) {
	PrintF(" CheckNotCharacterAfterAnd(c='u%04x', mask=0x%04x, label[%08x]);\n",
	c,
	mask,
	on_not_equal);
	assembler_->CheckNotCharacterAfterAnd(c, mask, on_not_equal);
	}


	void RegExpMacroAssemblerTracer::CheckNotCharacterAfterMinusAnd(
	uc16 c,
	uc16 minus,
	uc16 mask,
	Label* on_not_equal) {
	PrintF(" CheckNotCharacterAfterMinusAnd(c='u%04x', minus=%04x, mask=0x%04x, "
	"label[%08x]);\n",
	c,
	minus,
	mask,
	on_not_equal);
	assembler_->CheckNotCharacterAfterMinusAnd(c, minus, mask, on_not_equal);
	}


	void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
	Label* on_no_match) {
	PrintF(" CheckNotBackReference(register=%d, label[%08x]);\n", start_reg,
	on_no_match);
	assembler_->CheckNotBackReference(start_reg, on_no_match);
	}


	void RegExpMacroAssemblerTracer::CheckNotBackReferenceIgnoreCase(
	int start_reg,
	Label* on_no_match) {
	PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, label[%08x]);\n",
	start_reg, on_no_match);
	assembler_->CheckNotBackReferenceIgnoreCase(start_reg, on_no_match);
	}


	void RegExpMacroAssemblerTracer::CheckNotRegistersEqual(int reg1,
	int reg2,
	Label* on_not_equal) {
	PrintF(" CheckNotRegistersEqual(reg1=%d, reg2=%d, label[%08x]);\n",
	reg1,
	reg2,
	on_not_equal);
	assembler_->CheckNotRegistersEqual(reg1, reg2, on_not_equal);
	}


	void RegExpMacroAssemblerTracer::CheckCharacters(Vector<const uc16> str,
	int cp_offset,
	Label* on_failure,
	bool check_end_of_string) {
	PrintF(" %s(str=\"",
	check_end_of_string ? "CheckCharacters" : "CheckCharactersUnchecked");
	for (int i = 0; i < str.length(); i++) {
	PrintF("u%04x", str[i]);
	}
	PrintF("\", cp_offset=%d, label[%08x])\n", cp_offset, on_failure);
	assembler_->CheckCharacters(str, cp_offset, on_failure, check_end_of_string);
	}


	bool RegExpMacroAssemblerTracer::CheckSpecialCharacterClass(
	uc16 type,
	Label* on_no_match) {
	bool supported = assembler_->CheckSpecialCharacterClass(type,
	on_no_match);
	PrintF(" CheckSpecialCharacterClass(type='%c', label[%08x]): %s;\n",
	type,
	on_no_match,
	supported ? "true" : "false");
	return supported;
	}


	void RegExpMacroAssemblerTracer::IfRegisterLT(int register_index,
	int comparand, Label* if_lt) {
	PrintF(" IfRegisterLT(register=%d, number=%d, label[%08x]);\n",
	register_index, comparand, if_lt);
	assembler_->IfRegisterLT(register_index, comparand, if_lt);
	}


	void RegExpMacroAssemblerTracer::IfRegisterEqPos(int register_index,
	Label* if_eq) {
	PrintF(" IfRegisterEqPos(register=%d, label[%08x]);\n",
	register_index, if_eq);
	assembler_->IfRegisterEqPos(register_index, if_eq);
	}


	void RegExpMacroAssemblerTracer::IfRegisterGE(int register_index,
	int comparand, Label* if_ge) {
	PrintF(" IfRegisterGE(register=%d, number=%d, label[%08x]);\n",
	register_index, comparand, if_ge);
	assembler_->IfRegisterGE(register_index, comparand, if_ge);
	}


	RegExpMacroAssembler::IrregexpImplementation
	RegExpMacroAssemblerTracer::Implementation() {
	return assembler_->Implementation();
	}


	Handle<Object> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
	PrintF(" GetCode(%s);\n", *(source->ToCString()));
	return assembler_->GetCode(source);
	}

	}} // namespace v8::internal