Merge pull request #4413 from timvandermeij/ps-parser-syntax

Making src/core/ps_parser.js adhere to the style guide

src/core/ps_parser.js

@@ -38,8 +38,9 @@ var PostScriptParser = (function PostScriptParserClosure() {
       return false;
     },
     expect: function PostScriptParser_expect(type) {
-      if (this.accept(type))
+      if (this.accept(type)) {
         return true;
+      }
       error('Unexpected symbol: found ' + this.token.type + ' expected ' +
         type + '.');
     },
@@ -116,9 +117,9 @@ var PostScriptToken = (function PostScriptTokenClosure() {
 
   PostScriptToken.getOperator = function PostScriptToken_getOperator(op) {
     var opValue = opCache[op];
-    if (opValue)
+    if (opValue) {
       return opValue;
-
+    }
     return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op);
   };
 
@@ -203,8 +204,9 @@ var PostScriptLexer = (function PostScriptLexerClosure() {
         }
       }
       var value = parseFloat(str);
-      if (isNaN(value))
+      if (isNaN(value)) {
         error('Invalid floating point number: ' + value);
+      }
       return value;
     }
   };