made unless less parenfull

lib/cake.js

@@ -12,7 +12,7 @@
   helpers.extend(global, {
     task: function(name, description, action) {
       var _ref;
-      if (!(action)) {
+      if (!action) {
         _ref = [description, action], action = _ref[0], description = _ref[1];
       }
       return (tasks[name] = {
@@ -25,7 +25,7 @@
       return switches.push([letter, flag, description]);
     },
     invoke: function(name) {
-      if (!(tasks[name])) {
+      if (!tasks[name]) {
         missingTask(name);
       }
       return tasks[name].action(options);
@@ -34,7 +34,7 @@
   exports.run = function() {
     return path.exists('Cakefile', function(exists) {
       var _i, _len, _ref, _result, arg, args;
-      if (!(exists)) {
+      if (!exists) {
         throw new Error("Cakefile not found in " + (process.cwd()));
       }
       args = process.argv.slice(2, process.argv.length);
@@ -42,7 +42,7 @@
         fileName: 'Cakefile'
       });
       oparse = new optparse.OptionParser(switches);
-      if (!(args.length)) {
+      if (!args.length) {
         return printTasks();
       }
       options = oparse.parse(args);

lib/command.js

@@ -32,7 +32,7 @@
     if (opts.eval) {
       return compileScript('console', sources[0]);
     }
-    if (!(sources.length)) {
+    if (!sources.length) {
       return require('./repl');
     }
     separator = sources.indexOf('--');
@@ -59,7 +59,7 @@
           base = source;
           compile = function(source, topLevel) {
             return path.exists(source, function(exists) {
-              if (!(exists)) {
+              if (!exists) {
                 throw new Error("File not found: " + source);
               }
               return fs.stat(source, function(err, stats) {

lib/grammar.js

@@ -5,7 +5,7 @@
   unwrap = /function\s*\(\)\s*\{\s*return\s*([\s\S]*);\s*\}/;
   o = function(patternString, action, options) {
     var match;
-    if (!(action)) {
+    if (!action) {
       return [patternString, '$$ = $1;', options];
     }
     action = (match = (action + '').match(unwrap)) ? match[1] : ("(" + action + "())");
@@ -614,7 +614,7 @@
         _result.push((function() {
           for (_j = 0, _len2 = (_ref = alt[0].split(' ')).length; _j < _len2; _j++) {
             token = _ref[_j];
-            if (!(grammar[token])) {
+            if (!grammar[token]) {
               tokens.push(token);
             }
           }

lib/lexer.js

@@ -71,7 +71,7 @@
           this.identifierError(id);
         }
       }
-      if (!(forcedIdentifier)) {
+      if (!forcedIdentifier) {
         if (COFFEE_ALIASES.hasOwnProperty(id)) {
           tag = (id = COFFEE_ALIASES[id]);
         }
@@ -398,7 +398,7 @@
       if (herecomment && 0 > doc.indexOf('\n')) {
         return doc;
       }
-      if (!(herecomment)) {
+      if (!herecomment) {
         while (match = HEREDOC_INDENT.exec(doc)) {
           attempt = match[1];
           if (indent === null || (0 < (_ref3 = attempt.length)) && (_ref3 < indent.length)) {
@@ -409,7 +409,7 @@
       if (indent) {
         doc = doc.replace(RegExp("\\n" + indent, "g"), '\n');
       }
-      if (!(herecomment)) {
+      if (!herecomment) {
         doc = doc.replace(/^\n/, '');
       }
       return doc;
@@ -463,7 +463,7 @@
             if (levels.length && starts(str, close, i) && last(levels) === pair) {
               levels.pop();
               i += close.length - 1;
-              if (!(levels.length)) {
+              if (!levels.length) {
                 i += 1;
               }
               break;
@@ -524,7 +524,7 @@
       if (regex) {
         return tokens;
       }
-      if (!(tokens.length)) {
+      if (!tokens.length) {
         return this.token('STRING', '""');
       }
       if (interpolated = tokens.length > 1) {

lib/nodes.js

@@ -43,7 +43,7 @@
     Base.prototype.compileReference = function(o, options) {
       var _len, compiled, i, node, pair, reference;
       pair = (function() {
-        if (!(this.isComplex())) {
+        if (!this.isComplex()) {
           return [this, this];
         } else {
           reference = new Literal(o.scope.freeVariable('ref'));
@@ -111,7 +111,7 @@
     };
     Base.prototype.eachChild = function(func) {
       var _i, _j, _len, _len2, _ref2, _ref3, _result, attr, child;
-      if (!(this.children)) {
+      if (!this.children) {
         return;
       }
       _result = [];
@@ -362,7 +362,7 @@
         bref = new Literal(o.scope.freeVariable('base'));
         base = new Value(new Parens(new Assign(bref, base)));
       }
-      if (!(name)) {
+      if (!name) {
         return [base, bref];
       }
       if (name.isComplex()) {
@@ -428,7 +428,7 @@
       } else if (node instanceof Value) {
         ifnode = node.unfoldSoak(o);
       }
-      if (!(ifnode)) {
+      if (!ifnode) {
         return;
       }
       parent[name] = ifnode.body;
@@ -481,11 +481,11 @@
     Call.prototype.superReference = function(o) {
       var method, name;
       method = o.scope.method;
-      if (!(method)) {
+      if (!method) {
         throw Error("cannot call super outside of a function");
       }
       name = method.name;
-      if (!(name)) {
+      if (!name) {
         throw Error("cannot call super on an anonymous function.");
       }
       return method.klass ? ("" + (method.klass) + ".__super__." + name) : ("" + name + ".__super__.constructor");
@@ -567,7 +567,7 @@
       if (this.isSuper) {
         return ("" + (this.superReference(o)) + ".apply(this, " + splatargs + ")");
       }
-      if (!(this.isNew)) {
+      if (!this.isNew) {
         if (!((base = this.variable) instanceof Value)) {
           base = new Value(base);
         }
@@ -694,7 +694,7 @@
     Range.prototype.compileNode = function(o) {
       var compare, idx, incr, intro, step, stepPart, vars;
       this.compileVariables(o);
-      if (!(o.index)) {
+      if (!o.index) {
         return this.compileArray(o);
       }
       if (this.fromNum && this.toNum) {
@@ -1059,7 +1059,7 @@
         }
         assigns.push(new Assign(obj, val).compile(otop));
       }
-      if (!(top)) {
+      if (!top) {
         assigns.push(valVar);
       }
       code = assigns.join(', ');
@@ -1141,7 +1141,7 @@
         }
         return _result;
       })();
-      if (!(empty)) {
+      if (!empty) {
         this.body.makeReturn();
       }
       for (_i = 0, _len2 = params.length; _i < _len2; _i++) {
@@ -1200,7 +1200,7 @@
     Splat = (function() {
       return function Splat(name) {
         Splat.__super__.constructor.call(this);
-        if (!(name.compile)) {
+        if (!name.compile) {
           name = new Literal(name);
         }
         this.name = name;
@@ -1301,7 +1301,7 @@
       this.condition.parenthetical = true;
       cond = this.condition.compile(o);
       set = '';
-      if (!(top)) {
+      if (!top) {
         rvar = o.scope.freeVariable('result');
         set = ("" + (this.tab) + rvar + " = [];\n");
         if (this.body) {
@@ -1363,7 +1363,7 @@
     };
     Op.prototype.isInvertible = function() {
       var _ref2;
-      return (('===' === (_ref2 = this.operator) || '!==' === _ref2)) && !(this.first instanceof Op) && !(this.second instanceof Op);
+      return ('===' === (_ref2 = this.operator) || '!==' === _ref2);
     };
     Op.prototype.isComplex = function() {
       return this.operator !== '!' || this.first.isComplex();
@@ -1650,7 +1650,7 @@
           immediate: true
         });
       }
-      if (!(topLevel)) {
+      if (!topLevel) {
         rvar = scope.freeVariable('result');
       }
       ivar = range ? name : index;
@@ -1672,7 +1672,7 @@
           immediate: true
         }))) {
           sourcePart = ("" + (ref = scope.freeVariable('ref')) + " = " + svar);
-          if (!(this.object)) {
+          if (!this.object) {
             sourcePart = ("(" + sourcePart + ")");
           }
           svar = ref;
@@ -1680,7 +1680,7 @@
         namePart = this.pattern ? new Assign(this.name, new Literal("" + svar + "[" + ivar + "]")).compile(merge(o, {
           top: true
         })) : (name ? ("" + name + " = " + svar + "[" + ivar + "]") : undefined);
-        if (!(this.object)) {
+        if (!this.object) {
           lvar = scope.freeVariable('len');
           stepPart = this.step ? ("" + ivar + " += " + (this.step.compile(o))) : ("" + ivar + "++");
           forPart = ("" + ivar + " = 0, " + lvar + " = " + sourcePart + ".length; " + ivar + " < " + lvar + "; " + stepPart);
@@ -1688,7 +1688,7 @@
       }
       resultPart = rvar ? ("" + (this.tab) + rvar + " = [];\n") : '';
       returnResult = this.compileReturnValue(rvar, o);
-      if (!(topLevel)) {
+      if (!topLevel) {
         body = Push.wrap(rvar, body);
       }
       if (this.guard) {
@@ -1712,7 +1712,7 @@
       }
       if (this.object) {
         forPart = ("" + ivar + " in " + sourcePart);
-        if (!(this.raw)) {
+        if (!this.raw) {
           guardPart = ("\n" + idt1 + "if (!" + (utility('hasProp')) + ".call(" + svar + ", " + ivar + ")) continue;");
         }
       }
@@ -1782,18 +1782,23 @@
   })();
   exports.If = (function() {
     If = (function() {
-      return function If(_arg, _arg2, _arg3) {
-        this.tags = _arg3;
-        this.body = _arg2;
-        this.condition = _arg;
+      return function If(condition, _arg, _arg2) {
+        var op;
+        this.tags = _arg2;
+        this.body = _arg;
         this.tags || (this.tags = {});
         if (this.tags.invert) {
-          if (this.condition instanceof Op && this.condition.isInvertible()) {
-            this.condition.invert();
+          op = condition instanceof Op;
+          if (op && condition.isInvertible()) {
+            condition.invert();
           } else {
-            this.condition = new Op('!', new Parens(this.condition));
+            if (op && !condition.isUnary()) {
+              condition = new Parens(condition);
+            }
+            condition = new Op('!', condition);
           }
         }
+        this.condition = condition;
         this.elseBody = null;
         this.isChain = false;
         return this;
@@ -1863,7 +1868,7 @@
       comDent = child ? this.idt() : '';
       body = this.body.compile(o);
       ifPart = ("" + ifDent + "if (" + (this.compileCondition(condO)) + ") {\n" + body + "\n" + (this.tab) + "}");
-      if (!(this.elseBody)) {
+      if (!this.elseBody) {
         return ifPart;
       }
       elsePart = this.isChain ? ' else ' + this.elseBodyNode().compile(merge(o, {

lib/rewriter.js

@@ -265,7 +265,7 @@
     };
     return this.scanTokens(function(token, i) {
       var _ref, original;
-      if (!(('IF' === (_ref = token[0]) || 'UNLESS' === _ref))) {
+      if (!('IF' === (_ref = token[0]) || 'UNLESS' === _ref)) {
         return 1;
       }
       original = token;
@@ -326,7 +326,7 @@
         stack.push(token);
         return 1;
       }
-      if (!(include(EXPRESSION_END, tag))) {
+      if (!include(EXPRESSION_END, tag)) {
         return 1;
       }
       if (debt[(inv = INVERSES[tag])] > 0) {

src/nodes.coffee

@@ -1184,8 +1184,7 @@ exports.Op = class Op extends Base
     not @second
 
   isInvertible: ->
-    (@operator in ['===', '!==']) and
-      not (@first instanceof Op) and not (@second instanceof Op)
+    @operator in ['===', '!==']
 
   isComplex: -> @operator isnt '!' or @first.isComplex()
 
@@ -1516,13 +1515,16 @@ exports.If = class If extends Base
 
   topSensitive: YES
 
-  constructor: (@condition, @body, @tags) ->
+  constructor: (condition, @body, @tags) ->
     @tags or= {}
     if @tags.invert
-      if @condition instanceof Op and @condition.isInvertible()
-        @condition.invert()
+      op = condition instanceof Op
+      if op and condition.isInvertible()
+        condition.invert()
       else
-        @condition = new Op '!', new Parens @condition
+        condition = new Parens condition if op and not condition.isUnary()
+        condition = new Op '!', condition
+    @condition = condition
     @elseBody  = null
     @isChain   = false