Fix printf formats

src/ast/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_AST_PRETTYPRINTER_H_
 #define V8_AST_PRETTYPRINTER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
+#include "src/base/compiler-specific.h"
 
 namespace v8 {
 namespace internal {
 
 class CallPrinter : public AstVisitor {
  public:
   explicit CallPrinter(Isolate* isolate, bool is_builtin);
   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 PRINTF_FORMAT(2, 3) 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();
@@ skipping 21 matching lines @@
  public:
   explicit PrettyPrinter(Isolate* isolate);
   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);
   const char* PrintExpression(FunctionLiteral* program);
   const char* PrintProgram(FunctionLiteral* program);
 
-  void Print(const char* format, ...);
+  void PRINTF_FORMAT(2, 3) Print(const char* format, ...);
 
   // Print a node to stdout.
   static void PrintOut(Isolate* isolate, AstNode* node);
 
   // Individual nodes
 #define DECLARE_VISIT(type) void Visit##type(type* node) override;
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
 
  private:
@@ skipping 58 matching lines @@
 
   int indent_;
 };
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_PRETTYPRINTER_H_