Move regexp implementation into its own folder.

src/regexp-macro-assembler-tracer.cc

-// Copyright 2012 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/v8.h"
-
-#include "src/ast.h"
-#include "src/regexp-macro-assembler.h"
-#include "src/regexp-macro-assembler-tracer.h"
-
-namespace v8 {
-namespace internal {
-
-RegExpMacroAssemblerTracer::RegExpMacroAssemblerTracer(
-    Isolate* isolate, RegExpMacroAssembler* assembler)
-    : RegExpMacroAssembler(isolate, assembler->zone()), assembler_(assembler) {
-  unsigned int type = assembler->Implementation();
-  DCHECK(type < 6);
-  const char* impl_names[] = {"IA32", "ARM", "ARM64",
-                              "MIPS", "X64", "X87", "Bytecode"};
-  PrintF("RegExpMacroAssembler%s();\n", impl_names[type]);
-}
-
-
-RegExpMacroAssemblerTracer::~RegExpMacroAssemblerTracer() {
-}
-
-
-void RegExpMacroAssemblerTracer::AbortedCodeGeneration() {
-  PrintF(" AbortedCodeGeneration\n");
-  assembler_->AbortedCodeGeneration();
-}
-
-
-// This is used for printing out debugging information.  It makes an integer
-// that is closely related to the address of an object.
-static int LabelToInt(Label* label) {
-  return static_cast<int>(reinterpret_cast<intptr_t>(label));
-}
-
-
-void RegExpMacroAssemblerTracer::Bind(Label* label) {
-  PrintF("label[%08x]: (Bind)\n", LabelToInt(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", LabelToInt(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", LabelToInt(label));
-  assembler_->GoTo(label);
-}
-
-
-void RegExpMacroAssemblerTracer::PushBacktrack(Label* label) {
-  PrintF(" PushBacktrack(label[%08x]);\n", LabelToInt(label));
-  assembler_->PushBacktrack(label);
-}
-
-
-bool RegExpMacroAssemblerTracer::Succeed() {
-  bool restart = assembler_->Succeed();
-  PrintF(" Succeed();%s\n", restart ? " [restart for global match]" : "");
-  return restart;
-}
-
-
-void RegExpMacroAssemblerTracer::Fail() {
-  PrintF(" Fail();");
-  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::SetCurrentPositionFromEnd(int by) {
-  PrintF(" SetCurrentPositionFromEnd(by=%d);\n", by);
-  assembler_->SetCurrentPositionFromEnd(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,
-         LabelToInt(on_end_of_input),
-         check_msg,
-         characters);
-  assembler_->LoadCurrentCharacter(cp_offset,
-                                   on_end_of_input,
-                                   check_bounds,
-                                   characters);
-}
-
-
-class PrintablePrinter {
- public:
-  explicit PrintablePrinter(uc16 character) : character_(character) { }
-
-  const char* operator*() {
-    if (character_ >= ' ' && character_ <= '~') {
-      buffer_[0] = '(';
-      buffer_[1] = static_cast<char>(character_);
-      buffer_[2] = ')';
-      buffer_[3] = '\0';
-    } else {
-      buffer_[0] = '\0';
-    }
-    return &buffer_[0];
-  }
-
- private:
-  uc16 character_;
-  char buffer_[4];
-};
-
-
-void RegExpMacroAssemblerTracer::CheckCharacterLT(uc16 limit, Label* on_less) {
-  PrintablePrinter printable(limit);
-  PrintF(" CheckCharacterLT(c=0x%04x%s, label[%08x]);\n",
-         limit,
-         *printable,
-         LabelToInt(on_less));
-  assembler_->CheckCharacterLT(limit, on_less);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckCharacterGT(uc16 limit,
-                                                  Label* on_greater) {
-  PrintablePrinter printable(limit);
-  PrintF(" CheckCharacterGT(c=0x%04x%s, label[%08x]);\n",
-         limit,
-         *printable,
-         LabelToInt(on_greater));
-  assembler_->CheckCharacterGT(limit, on_greater);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckCharacter(unsigned c, Label* on_equal) {
-  PrintablePrinter printable(c);
-  PrintF(" CheckCharacter(c=0x%04x%s, label[%08x]);\n",
-         c,
-         *printable,
-         LabelToInt(on_equal));
-  assembler_->CheckCharacter(c, on_equal);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckAtStart(Label* on_at_start) {
-  PrintF(" CheckAtStart(label[%08x]);\n", LabelToInt(on_at_start));
-  assembler_->CheckAtStart(on_at_start);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckNotAtStart(Label* on_not_at_start) {
-  PrintF(" CheckNotAtStart(label[%08x]);\n", LabelToInt(on_not_at_start));
-  assembler_->CheckNotAtStart(on_not_at_start);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckNotCharacter(unsigned c,
-                                                   Label* on_not_equal) {
-  PrintablePrinter printable(c);
-  PrintF(" CheckNotCharacter(c=0x%04x%s, label[%08x]);\n",
-         c,
-         *printable,
-         LabelToInt(on_not_equal));
-  assembler_->CheckNotCharacter(c, on_not_equal);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckCharacterAfterAnd(
-    unsigned c,
-    unsigned mask,
-    Label* on_equal) {
-  PrintablePrinter printable(c);
-  PrintF(" CheckCharacterAfterAnd(c=0x%04x%s, mask=0x%04x, label[%08x]);\n",
-         c,
-         *printable,
-         mask,
-         LabelToInt(on_equal));
-  assembler_->CheckCharacterAfterAnd(c, mask, on_equal);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckNotCharacterAfterAnd(
-    unsigned c,
-    unsigned mask,
-    Label* on_not_equal) {
-  PrintablePrinter printable(c);
-  PrintF(" CheckNotCharacterAfterAnd(c=0x%04x%s, mask=0x%04x, label[%08x]);\n",
-         c,
-         *printable,
-         mask,
-         LabelToInt(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=0x%04x, minus=%04x, mask=0x%04x, "
-             "label[%08x]);\n",
-         c,
-         minus,
-         mask,
-         LabelToInt(on_not_equal));
-  assembler_->CheckNotCharacterAfterMinusAnd(c, minus, mask, on_not_equal);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckCharacterInRange(
-    uc16 from,
-    uc16 to,
-    Label* on_not_in_range) {
-  PrintablePrinter printable_from(from);
-  PrintablePrinter printable_to(to);
-  PrintF(" CheckCharacterInRange(from=0x%04x%s, to=0x%04x%s, label[%08x]);\n",
-         from,
-         *printable_from,
-         to,
-         *printable_to,
-         LabelToInt(on_not_in_range));
-  assembler_->CheckCharacterInRange(from, to, on_not_in_range);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckCharacterNotInRange(
-    uc16 from,
-    uc16 to,
-    Label* on_in_range) {
-  PrintablePrinter printable_from(from);
-  PrintablePrinter printable_to(to);
-  PrintF(
-      " CheckCharacterNotInRange(from=0x%04x%s," " to=%04x%s, label[%08x]);\n",
-      from,
-      *printable_from,
-      to,
-      *printable_to,
-      LabelToInt(on_in_range));
-  assembler_->CheckCharacterNotInRange(from, to, on_in_range);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckBitInTable(
-    Handle<ByteArray> table, Label* on_bit_set) {
-  PrintF(" CheckBitInTable(label[%08x] ", LabelToInt(on_bit_set));
-  for (int i = 0; i < kTableSize; i++) {
-    PrintF("%c", table->get(i) != 0 ? 'X' : '.');
-    if (i % 32 == 31 && i != kTableMask) {
-      PrintF("\n                                 ");
-    }
-  }
-  PrintF(");\n");
-  assembler_->CheckBitInTable(table, on_bit_set);
-}
-
-
-void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
-                                                       Label* on_no_match) {
-  PrintF(" CheckNotBackReference(register=%d, label[%08x]);\n", start_reg,
-         LabelToInt(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, LabelToInt(on_no_match));
-  assembler_->CheckNotBackReferenceIgnoreCase(start_reg, on_no_match);
-}
-
-
-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,
-         LabelToInt(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, LabelToInt(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, LabelToInt(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, LabelToInt(if_ge));
-  assembler_->IfRegisterGE(register_index, comparand, if_ge);
-}
-
-
-RegExpMacroAssembler::IrregexpImplementation
-    RegExpMacroAssemblerTracer::Implementation() {
-  return assembler_->Implementation();
-}
-
-
-Handle<HeapObject> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
-  PrintF(" GetCode(%s);\n", source->ToCString().get());
-  return assembler_->GetCode(source);
-}
-
-}  // namespace internal
-}  // namespace v8