Introduce ENABLE_LATIN_1 compile flag

src/factory.h

 // Copyright 2012 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 66 matching lines @@
   // Allocates a pre-tenured empty AccessorPair.
   Handle<AccessorPair> NewAccessorPair();
 
   Handle<TypeFeedbackInfo> NewTypeFeedbackInfo();
 
   Handle<String> LookupUtf8Symbol(Vector<const char> str);
   Handle<String> LookupUtf8Symbol(const char* str) {
     return LookupUtf8Symbol(CStrVector(str));
   }
   Handle<String> LookupSymbol(Handle<String> str);
-  Handle<String> LookupOneByteSymbol(Vector<const char> str);
+  Handle<String> LookupOneByteSymbol(Vector<const uint8_t> str);
   Handle<String> LookupOneByteSymbol(Handle<SeqOneByteString>,
                                    int from,
                                    int length);
   Handle<String> LookupTwoByteSymbol(Vector<const uc16> str);
 
 
   // String creation functions.  Most of the string creation functions take
   // a Heap::PretenureFlag argument to optionally request that they be
   // allocated in the old generation.  The pretenure flag defaults to
   // DONT_TENURE.
   //
   // Creates a new String object.  There are two String encodings: ASCII and
   // two byte.  One should choose between the three string factory functions
   // based on the encoding of the string buffer that the string is
   // initialized from.
   //   - ...FromAscii initializes the string from a buffer that is ASCII
   //     encoded (it does not check that the buffer is ASCII encoded) and
   //     the result will be ASCII encoded.
   //   - ...FromUtf8 initializes the string from a buffer that is UTF-8
   //     encoded.  If the characters are all single-byte characters, the
   //     result will be ASCII encoded, otherwise it will converted to two
   //     byte.
   //   - ...FromTwoByte initializes the string from a buffer that is two
   //     byte encoded.  If the characters are all single-byte characters,
   //     the result will be converted to ASCII, otherwise it will be left as
   //     two byte.
   //
   // ASCII strings are pretenured when used as keys in the SourceCodeCache.
-  Handle<String> NewStringFromAscii(
+  Handle<String> NewStringFromOneByte(
+      Vector<const uint8_t> str,
+      PretenureFlag pretenure = NOT_TENURED);
+  // TODO(dcarney): remove this function.
+  inline Handle<String> NewStringFromAscii(
       Vector<const char> str,
-      PretenureFlag pretenure = NOT_TENURED);
+      PretenureFlag pretenure = NOT_TENURED) {
+    return NewStringFromOneByte(Vector<const uint8_t>::cast(str), pretenure);
+  }
 
   // UTF8 strings are pretenured when used for regexp literal patterns and
   // flags in the parser.
   Handle<String> NewStringFromUtf8(
       Vector<const char> str,
       PretenureFlag pretenure = NOT_TENURED);
 
   Handle<String> NewStringFromTwoByte(
       Vector<const uc16> str,
       PretenureFlag pretenure = NOT_TENURED);
@@ skipping 383 matching lines @@
   // Update the map cache in the native context with (keys, map)
   Handle<MapCache> AddToMapCache(Handle<Context> context,
                                  Handle<FixedArray> keys,
                                  Handle<Map> map);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_