Fixed pretty printing of typeof/delete/void expressions. Put spaces around binary operations and ...

src/prettyprinter.cc

Index: src/prettyprinter.cc
===================================================================
--- src/prettyprinter.cc	(revision 7967)
+++ src/prettyprinter.cc	(working copy)
@@ -370,7 +370,10 @@
 
 
 void PrettyPrinter::VisitUnaryOperation(UnaryOperation* node) {
-  Print("(%s", Token::String(node->op()));
+  Token::Value op = node->op();
+  bool needsSpace =
+      op == Token::DELETE || op == Token::TYPEOF || op == Token::VOID;
+  Print("(%s%s", Token::String(op), needsSpace ? " " : "");
   Visit(node->expression());
   Print(")");
 }
@@ -388,7 +391,7 @@
 void PrettyPrinter::VisitBinaryOperation(BinaryOperation* node) {
   Print("(");
   Visit(node->left());
-  Print("%s", Token::String(node->op()));
+  Print(" %s ", Token::String(node->op()));
   Visit(node->right());
   Print(")");
 }
@@ -397,7 +400,7 @@
 void PrettyPrinter::VisitCompareOperation(CompareOperation* node) {
   Print("(");
   Visit(node->left());
-  Print("%s", Token::String(node->op()));
+  Print(" %s ", Token::String(node->op()));
   Visit(node->right());
   Print(")");
 }