Implement string.match in C++.

src/regexp-macro-assembler-ia32.cc

 // 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
@@ skipping 944 matching lines @@
 
 
 RegExpMacroAssemblerIA32::Result RegExpMacroAssemblerIA32::Match(
     Handle<Code> regexp_code,
     Handle<String> subject,
     int* offsets_vector,
     int offsets_vector_length,
     int previous_index) {
 
   ASSERT(subject->IsFlat());
+  ASSERT(previous_index >= 0);
+  ASSERT(previous_index <= subject->length());
 
   // No allocations before calling the regexp, but we can't use
   // AssertNoAllocation, since regexps might be preempted, and another thread
   // might do allocation anyway.
 
   String* subject_ptr = *subject;
   // Character offsets into string.
   int start_offset = previous_index;
   int end_offset = subject_ptr->length();
 
@@ skipping 404 matching lines @@
 
 
 void RegExpMacroAssemblerIA32::LoadConstantBufferAddress(Register reg,
                                                          ArraySlice* buffer) {
   __ mov(reg, buffer->array());
   __ add(Operand(reg), Immediate(buffer->base_offset()));
 }
 
 #undef __
 }}  // namespace v8::internal