Clean up the AST pretty printer by adding some missing newlines and...

src/prettyprinter.cc

 // Copyright 2006-2008 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 675 matching lines @@
 
 void AstPrinter::PrintLabelsIndented(const char* info, ZoneStringList* labels) {
   if (labels != NULL && labels->length() > 0) {
     if (info == NULL) {
       PrintIndented("LABELS ");
     } else {
       PrintIndented(info);
       Print(" ");
     }
     PrintLabels(labels);
-    Print("\n");
   } else if (info != NULL) {
     PrintIndented(info);
   }
+  Print("\n");
 }
 
 
 void AstPrinter::PrintIndentedVisit(const char* s, Node* node) {
   IndentedScope indent(s);
   Visit(node);
 }
 
 
 const char* AstPrinter::PrintProgram(FunctionLiteral* program) {
@@ skipping 201 matching lines @@
 }
 
 
 void AstPrinter::VisitLiteral(Literal* node) {
   PrintLiteralIndented("LITERAL", node->handle(), true);
 }
 
 
 void AstPrinter::VisitRegExpLiteral(RegExpLiteral* node) {
   IndentedScope indent("REGEXP LITERAL");
-  PrintLiteral(node->pattern(), false);
-  Print(",");
-  PrintLiteral(node->flags(), false);
+  PrintLiteralIndented("PATTERN", node->pattern(), false);
+  PrintLiteralIndented("FLAGS", node->flags(), false);
 }
 
 
 void AstPrinter::VisitObjectLiteral(ObjectLiteral* node) {
   IndentedScope indent("OBJ LITERAL");
   for (int i = 0; i < node->properties()->length(); i++) {
     const char* prop_kind = NULL;
     switch (node->properties()->at(i)->kind()) {
       case ObjectLiteral::Property::CONSTANT:
         prop_kind = "PROPERTY - CONSTANT";
@@ skipping 160 matching lines @@
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent("THIS-FUNCTION");
 }
 
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal