Create a character stream and hook it up to the parse info

src/parsing/parser.h

 // 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.
 
 #ifndef V8_PARSING_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
@@ skipping 67 matching lines @@
   }
 
   ScriptCompiler::StreamedSource::Encoding source_stream_encoding() {
     return source_stream_encoding_;
   }
   void set_source_stream_encoding(
       ScriptCompiler::StreamedSource::Encoding source_stream_encoding) {
     source_stream_encoding_ = source_stream_encoding;
   }
 
+  Utf16CharacterStream* character_stream() const { return character_stream_; }
+  void set_character_stream(Utf16CharacterStream* character_stream) {
+    character_stream_ = character_stream;
+  }
+
   v8::Extension* extension() { return extension_; }
   void set_extension(v8::Extension* extension) { extension_ = extension; }
 
   ScriptData** cached_data() { return cached_data_; }
   void set_cached_data(ScriptData** cached_data) { cached_data_ = cached_data; }
 
   ScriptCompiler::CompileOptions compile_options() { return compile_options_; }
   void set_compile_options(ScriptCompiler::CompileOptions compile_options) {
     compile_options_ = compile_options;
   }
@@ skipping 70 matching lines @@
     kAllowLazyParsing = 1 << 8,
     // ---------- Output flags --------------------------
     kAstValueFactoryOwned = 1 << 9
   };
 
   //------------- Inputs to parsing and scope analysis -----------------------
   Zone* zone_;
   unsigned flags_;
   ScriptCompiler::ExternalSourceStream* source_stream_;
   ScriptCompiler::StreamedSource::Encoding source_stream_encoding_;
+  Utf16CharacterStream* character_stream_;
   v8::Extension* extension_;
   ScriptCompiler::CompileOptions compile_options_;
   Scope* script_scope_;
   UnicodeCache* unicode_cache_;
   uintptr_t stack_limit_;
   uint32_t hash_seed_;
 
   // TODO(titzer): Move handles and isolate out of ParseInfo.
   Isolate* isolate_;
   Handle<SharedFunctionInfo> shared_;
@@ skipping 1131 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_