Adding AstNode::PrettyPrint and AstNode::PrintAst

BUG=

Review URL: https://codereview.chromium.org/1587543003

Cr-Commit-Position: refs/heads/master@{#33323}

src/ast/ast.cc

@@ -5,6 +5,8 @@
 #include "src/ast/ast.h"
 
 #include <cmath>  // For isfinite.
+
+#include "src/ast/prettyprinter.h"
 #include "src/ast/scopes.h"
 #include "src/builtins.h"
 #include "src/code-stubs.h"
@@ -32,6 +34,25 @@ AST_NODE_LIST(DECL_ACCEPT)
 // ----------------------------------------------------------------------------
 // Implementation of other node functionality.
 
+#ifdef DEBUG
+
+void AstNode::PrintAst() { PrintAst(Isolate::Current()); }
+
+
+void AstNode::PrintAst(Isolate* isolate) {
+  AstPrinter::PrintOut(isolate, this);
+}
+
+
+void AstNode::PrettyPrint() { PrettyPrint(Isolate::Current()); }
+
+
+void AstNode::PrettyPrint(Isolate* isolate) {
+  PrettyPrinter::PrintOut(isolate, this);
+}
+
+#endif  // DEBUG
+
 
 bool Expression::IsSmiLiteral() const {
   return IsLiteral() && AsLiteral()->value()->IsSmi();

src/ast/ast.h

@@ -196,6 +196,13 @@ class AstNode: public ZoneObject {
   virtual NodeType node_type() const = 0;
   int position() const { return position_; }
 
+#ifdef DEBUG
+  void PrettyPrint(Isolate* isolate);
+  void PrettyPrint();
+  void PrintAst(Isolate* isolate);
+  void PrintAst();
+#endif  // DEBUG
+
   // Type testing & conversion functions overridden by concrete subclasses.
 #define DECLARE_NODE_FUNCTIONS(type) \
   bool Is##type() const { return node_type() == AstNode::k##type; } \