[regexp] implement case-insensitive unicode regexps.

src/regexp/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/regexp/regexp-macro-assembler-tracer.h"
 
 #include "src/ast/ast.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 342 matching lines @@
 void RegExpMacroAssemblerTracer::CheckNotBackReference(int start_reg,
                                                        bool read_backward,
                                                        Label* on_no_match) {
   PrintF(" CheckNotBackReference(register=%d, %s, label[%08x]);\n", start_reg,
          read_backward ? "backward" : "forward", LabelToInt(on_no_match));
   assembler_->CheckNotBackReference(start_reg, read_backward, on_no_match);
 }
 
 
 void RegExpMacroAssemblerTracer::CheckNotBackReferenceIgnoreCase(
-    int start_reg, bool read_backward, Label* on_no_match) {
-  PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, %s, label[%08x]);\n",
+    int start_reg, bool read_backward, bool unicode, Label* on_no_match) {
+  PrintF(" CheckNotBackReferenceIgnoreCase(register=%d, %s %s, label[%08x]);\n",
          start_reg, read_backward ? "backward" : "forward",
-         LabelToInt(on_no_match));
-  assembler_->CheckNotBackReferenceIgnoreCase(start_reg, read_backward,
+         unicode ? "unicode" : "non-unicode", LabelToInt(on_no_match));
+  assembler_->CheckNotBackReferenceIgnoreCase(start_reg, read_backward, unicode,
                                               on_no_match);
 }
 
 
 void RegExpMacroAssemblerTracer::CheckPosition(int cp_offset,
                                                Label* on_outside_input) {
   PrintF(" CheckPosition(cp_offset=%d, label[%08x]);\n", cp_offset,
          LabelToInt(on_outside_input));
   assembler_->CheckPosition(cp_offset, on_outside_input);
 }
@@ skipping 42 matching lines @@
 }
 
 
 Handle<HeapObject> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
   PrintF(" GetCode(%s);\n", source->ToCString().get());
   return assembler_->GetCode(source);
 }
 
 }  // namespace internal
 }  // namespace v8