Parser: Make skipping HTML comments optional.

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 40 matching lines @@
   FLAG_ACCESSOR(kToplevel, is_toplevel, set_toplevel)
   FLAG_ACCESSOR(kLazy, is_lazy, set_lazy)
   FLAG_ACCESSOR(kEval, is_eval, set_eval)
   FLAG_ACCESSOR(kGlobal, is_global, set_global)
   FLAG_ACCESSOR(kStrictMode, is_strict_mode, set_strict_mode)
   FLAG_ACCESSOR(kNative, is_native, set_native)
   FLAG_ACCESSOR(kModule, is_module, set_module)
   FLAG_ACCESSOR(kAllowLazyParsing, allow_lazy_parsing, set_allow_lazy_parsing)
   FLAG_ACCESSOR(kAstValueFactoryOwned, ast_value_factory_owned,
                 set_ast_value_factory_owned)
+  FLAG_ACCESSOR(kIgnoreHtmlComments, ignore_html_comments,
+                set_ignore_html_comments)
 
 #undef FLAG_ACCESSOR
 
   void set_parse_restriction(ParseRestriction restriction) {
     SetFlag(kParseRestriction, restriction != NO_PARSE_RESTRICTION);
   }
 
   ParseRestriction parse_restriction() const {
     return GetFlag(kParseRestriction) ? ONLY_SINGLE_FUNCTION_LITERAL
                                       : NO_PARSE_RESTRICTION;
@@ skipping 89 matching lines @@
     // ---------- Input flags ---------------------------
     kToplevel = 1 << 0,
     kLazy = 1 << 1,
     kEval = 1 << 2,
     kGlobal = 1 << 3,
     kStrictMode = 1 << 4,
     kNative = 1 << 5,
     kParseRestriction = 1 << 6,
     kModule = 1 << 7,
     kAllowLazyParsing = 1 << 8,
+    kIgnoreHtmlComments = 1 << 9,
     // ---------- Output flags --------------------------
-    kAstValueFactoryOwned = 1 << 9
+    kAstValueFactoryOwned = 1 << 10
   };
 
   //------------- Inputs to parsing and scope analysis -----------------------
   Zone* zone_;
   unsigned flags_;
   ScriptCompiler::ExternalSourceStream* source_stream_;
   ScriptCompiler::StreamedSource::Encoding source_stream_encoding_;
   v8::Extension* extension_;
   ScriptCompiler::CompileOptions compile_options_;
   Scope* script_scope_;
@@ skipping 1055 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_