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 103 matching lines @@
   void set_unicode_cache(UnicodeCache* unicode_cache) {
     unicode_cache_ = unicode_cache;
   }
 
   uintptr_t stack_limit() { return stack_limit_; }
   void set_stack_limit(uintptr_t stack_limit) { stack_limit_ = stack_limit; }
 
   uint32_t hash_seed() { return hash_seed_; }
   void set_hash_seed(uint32_t hash_seed) { hash_seed_ = hash_seed; }
 
+  bool allow_html_comments() const {
+    return !script_.is_null() && script_->origin_options().AllowHtmlComments();
+  }
+
   //--------------------------------------------------------------------------
   // TODO(titzer): these should not be part of ParseInfo.
   //--------------------------------------------------------------------------
   Isolate* isolate() { return isolate_; }
   Handle<JSFunction> closure() { return closure_; }
   Handle<SharedFunctionInfo> shared_info() { return shared_; }
   Handle<Script> script() { return script_; }
   Handle<Context> context() { return context_; }
   void clear_script() { script_ = Handle<Script>::null(); }
   void set_isolate(Isolate* isolate) { isolate_ = isolate; }
@@ skipping 1113 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_