Make Parser class have no friends and fewer things to depend on it.

src/compiler.cc

 // Copyright 2010 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 158 matching lines @@
     }
   }
 
   // Notify debugger
   Debugger::OnBeforeCompile(script);
 #endif
 
   // Only allow non-global compiles for eval.
   ASSERT(info->is_eval() || info->is_global());
 
-  if (!Parser::Parse(info)) return Handle<SharedFunctionInfo>::null();
+  if (!ParserApi::Parse(info)) return Handle<SharedFunctionInfo>::null();
 
   // Measure how long it takes to do the compilation; only take the
   // rest of the function into account to avoid overlap with the
   // parsing statistics.
   HistogramTimer* rate = info->is_eval()
       ? &Counters::compile_eval
       : &Counters::compile;
   HistogramTimerScope timer(rate);
 
   // Compile the code.
@@ skipping 84 matching lines @@
     // Building preparse data that is only used immediately after is only a
     // saving if we might skip building the AST for lazily compiled functions.
     // I.e., preparse data isn't relevant when the lazy flag is off, and
     // for small sources, odds are that there aren't many functions
     // that would be compiled lazily anyway, so we skip the preparse step
     // in that case too.
     ScriptDataImpl* pre_data = input_pre_data;
     if (pre_data == NULL
         && FLAG_lazy
         && source_length >= FLAG_min_preparse_length) {
-      pre_data = Parser::PartialPreParse(source, NULL, extension);
+      pre_data = ParserApi::PartialPreParse(source, NULL, extension);
     }
 
     // Create a script object describing the script to be compiled.
     Handle<Script> script = Factory::NewScript(source);
     if (natives == NATIVES_CODE) {
       script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
     }
     if (!script_name.is_null()) {
       script->set_name(*script_name);
       script->set_line_offset(Smi::FromInt(line_offset));
@@ skipping 62 matching lines @@
   // The VM is in the COMPILER state until exiting this function.
   VMState state(COMPILER);
 
   PostponeInterruptsScope postpone;
 
   Handle<SharedFunctionInfo> shared = info->shared_info();
   int compiled_size = shared->end_position() - shared->start_position();
   Counters::total_compile_size.Increment(compiled_size);
 
   // Generate the AST for the lazily compiled function.
-  if (Parser::Parse(info)) {
+  if (ParserApi::Parse(info)) {
     // Measure how long it takes to do the lazy compilation; only take the
     // rest of the function into account to avoid overlap with the lazy
     // parsing statistics.
     HistogramTimerScope timer(&Counters::compile_lazy);
 
     // Compile the code.
     if (!MakeCode(info)) {
       Top::StackOverflow();
     } else {
       ASSERT(!info->code().is_null());
@@ skipping 172 matching lines @@
                               *code,
                               *name));
       OPROFILE(CreateNativeCodeRegion(*name,
                                       code->instruction_start(),
                                       code->instruction_size()));
     }
   }
 }
 
 } }  // namespace v8::internal