Add a pretty printer to improve the error message non-function calls

src/prettyprinter.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_PRETTYPRINTER_H_
 #define V8_PRETTYPRINTER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 
 namespace v8 {
 namespace internal {
 
+class CallPrinter : public AstVisitor {
+ public:
+  explicit CallPrinter(Zone* zone);
+  virtual ~CallPrinter();
+
+  // The following routine prints the node with position |position| into a
+  // string. The result string is alive as long as the CallPrinter is alive.
+  const char* Print(FunctionLiteral* program, int position);
+
+  void Print(const char* format, ...);
+
+  void Find(AstNode* node, bool print = false);
+
+// Individual nodes
+#define DECLARE_VISIT(type) void Visit##type(type* node) OVERRIDE;
+  AST_NODE_LIST(DECLARE_VISIT)
+#undef DECLARE_VISIT
+
+ private:
+  void Init();
+  char* output_;  // output string buffer
+  int size_;      // output_ size
+  int pos_;       // current printing position
+  int position_;  // position of ast node to print
+  bool found_;
+  bool done_;
+
+  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
+
+ protected:
+  void PrintLiteral(Handle<Object> value, bool quote);
+  void PrintLiteral(const AstRawString* value, bool quote);
+  void FindStatements(ZoneList<Statement*>* statements);
+  void FindArguments(ZoneList<Expression*>* arguments);
+};
+
+
 #ifdef DEBUG
 
 class PrettyPrinter: public AstVisitor {
  public:
   explicit PrettyPrinter(Zone* zone);
   virtual ~PrettyPrinter();
 
   // The following routines print a node into a string.
   // The result string is alive as long as the PrettyPrinter is alive.
   const char* Print(AstNode* node);
@@ skipping 67 matching lines @@
   void dec_indent() { indent_--; }
 
   int indent_;
 };
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_PRETTYPRINTER_H_