Limit entry points into the parser API.

test/cctest/test-parsing.cc

 // 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 1009 matching lines @@
     i::Handle<i::String> source(
         factory->NewStringFromUtf8(i::CStrVector(program.start())));
     CHECK_EQ(source->length(), kProgramSize);
     i::Handle<i::Script> script = factory->NewScript(source);
     i::CompilationInfoWithZone info(script);
     i::Parser parser(&info);
     parser.set_allow_lazy(true);
     parser.set_allow_harmony_scoping(true);
     info.MarkAsGlobal();
     info.SetLanguageMode(source_data[i].language_mode);
-    i::FunctionLiteral* function = parser.ParseProgram();
-    CHECK(function != NULL);
+    parser.Parse();
+    CHECK(info.function() != NULL);
 
     // Check scope types and positions.
-    i::Scope* scope = function->scope();
+    i::Scope* scope = info.function()->scope();
     CHECK(scope->is_global_scope());
     CHECK_EQ(scope->start_position(), 0);
     CHECK_EQ(scope->end_position(), kProgramSize);
     CHECK_EQ(scope->inner_scopes()->length(), 1);
 
     i::Scope* inner_scope = scope->inner_scopes()->at(0);
     CHECK_EQ(inner_scope->scope_type(), source_data[i].scope_type);
     CHECK_EQ(inner_scope->start_position(), kPrefixLen);
     // The end position of a token is one position after the last
     // character belonging to that token.
@@ skipping 85 matching lines @@
   i::ScriptDataImpl data(log.ExtractData());
 
   // Parse the data
   i::FunctionLiteral* function;
   {
     i::Handle<i::Script> script = factory->NewScript(source);
     i::CompilationInfoWithZone info(script);
     i::Parser parser(&info);
     SET_PARSER_FLAGS(parser, flags);
     info.MarkAsGlobal();
-    function = parser.ParseProgram();
+    parser.Parse();
+    function = info.function();
   }
 
   // Check that preparsing fails iff parsing fails.
   if (function == NULL) {
     // Extract exception from the parser.
     CHECK(isolate->has_pending_exception());
     i::MaybeObject* maybe_object = isolate->pending_exception();
     i::JSObject* exception = NULL;
     CHECK(maybe_object->To(&exception));
     i::Handle<i::JSObject> exception_handle(exception);
@@ skipping 167 matching lines @@
       "  b = function() {    \n"
       "    01;               \n"
       "  };                  \n"
       "};                    \n";
   v8::Script::Compile(v8::String::New(script));
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value exception(try_catch.Exception());
   CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.",
            *exception);
 }