Extract string->double and double->string conversions for use in the preparser.

src/v8utils.cc

Index: src/v8utils.cc
diff --git a/src/utils.cc b/src/v8utils.cc
similarity index 90%
copy from src/utils.cc
copy to src/v8utils.cc
index b466301ca5f3dc613be5b62ab0d063285b660908..89f9d953ee367711dec8c910c0f0e65b6de79a2f 100644
--- a/src/utils.cc
+++ b/src/v8utils.cc
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -219,24 +219,6 @@ int WriteBytes(const char* filename,
 }
 
 
-StringBuilder::StringBuilder(int size) {
-  buffer_ = Vector<char>::New(size);
-  position_ = 0;
-}
-
-
-void StringBuilder::AddString(const char* s) {
-  AddSubstring(s, StrLength(s));
-}
-
-
-void StringBuilder::AddSubstring(const char* s, int n) {
-  ASSERT(!is_finalized() && position_ + n < buffer_.length());
-  ASSERT(static_cast<size_t>(n) <= strlen(s));
-  memcpy(&buffer_[position_], s, n * kCharSize);
-  position_ += n;
-}
-
 
 void StringBuilder::AddFormatted(const char* format, ...) {
   va_list arguments;
@@ -257,25 +239,6 @@ void StringBuilder::AddFormattedList(const char* format, va_list list) {
 }
 
 
-void StringBuilder::AddPadding(char c, int count) {
-  for (int i = 0; i < count; i++) {
-    AddCharacter(c);
-  }
-}
-
-
-char* StringBuilder::Finalize() {
-  ASSERT(!is_finalized() && position_ < buffer_.length());
-  buffer_[position_] = '\0';
-  // Make sure nobody managed to add a 0-character to the
-  // buffer while building the string.
-  ASSERT(strlen(buffer_.start()) == static_cast<size_t>(position_));
-  position_ = -1;
-  ASSERT(is_finalized());
-  return buffer_.start();
-}
-
-
 MemoryMappedExternalResource::MemoryMappedExternalResource(const char* filename)
     : filename_(NULL),
       data_(NULL),