[es6] implement spread calls

src/parser.h

Index: src/parser.h
diff --git a/src/parser.h b/src/parser.h
index 4139ba5811f85066e9eea730933e3dea30767531..a2a4e3c0839be80852bd9fbf4566b7fade90da8c 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -629,6 +629,11 @@ class ParserTraits {
     return tag != NULL;
   }
 
+  V8_INLINE ZoneList<v8::internal::Expression*>* PrepareSpreadCallArguments(
+      Expression* function, ZoneList<v8::internal::Expression*>* list);
+  V8_INLINE ZoneList<v8::internal::Expression*>* PrepareSpreadCallNewArguments(
+      Expression* function, ZoneList<v8::internal::Expression*>* list);
+
  private:
   Parser* parser_;
 };
@@ -837,6 +842,11 @@ class Parser : public ParserBase<ParserTraits> {
                                    Expression* tag);
   uint32_t ComputeTemplateLiteralHash(const TemplateLiteral* lit);
 
+  ZoneList<v8::internal::Expression*>* PrepareSpreadCallArguments(
+      Expression* function, ZoneList<v8::internal::Expression*>* list);
+  ZoneList<v8::internal::Expression*>* PrepareSpreadCallNewArguments(
+      Expression* function, ZoneList<v8::internal::Expression*>* list);
+
   Scanner scanner_;
   PreParser* reusable_preparser_;
   Scope* original_scope_;  // for ES5 function declarations in sloppy eval
@@ -952,6 +962,19 @@ Expression* ParserTraits::CloseTemplateLiteral(TemplateLiteralState* state,
                                                int start, Expression* tag) {
   return parser_->CloseTemplateLiteral(state, start, tag);
 }
+
+
+ZoneList<v8::internal::Expression*>* ParserTraits::PrepareSpreadCallArguments(
+    Expression* function, ZoneList<v8::internal::Expression*>* list) {
+  return parser_->PrepareSpreadCallArguments(function, list);
+}
+
+
+ZoneList<v8::internal::Expression*>*
+ParserTraits::PrepareSpreadCallNewArguments(
+    Expression* function, ZoneList<v8::internal::Expression*>* list) {
+  return parser_->PrepareSpreadCallNewArguments(function, list);
+}
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_