changed helpers to default to inline instead of global

Signed-off-by: Tj Holowaychuk <tj@vision-media.ca>

jade.js

@@ -172,7 +172,9 @@ Compiler.prototype = {
    */
 
   visit: function(node){
-    this.line(node);
+    if (this.options.compileDebug !== false) {
+      this.line(node);
+    }
     return this.visitNode(node);
   },
 
@@ -795,7 +797,19 @@ function rethrow(err, str, filename, lineno){
  */
 
 function parse(str, options){
-  var filename = options.filename;
+  var filename = options.filename
+    , helpers = ''
+
+  if (options.helpers !== 'inline') {
+    jadeHelpers = {
+      attrs: attrs,
+      escape: escape
+    }
+    helpers = 'var attrs = jadeHelpers.attrs, escape = jadeHelpers.escape;\n';
+  } else {
+    helpers = attrs.toString() + '\n' + escape.toString() + '\n';
+  }
+
   try {
     // Parse
     var parser = new Parser(str, filename);
@@ -812,13 +826,13 @@ function parse(str, options){
 
     try {
       return ''
-        + attrs.toString() + '\n\n'
-        + escape.toString()  + '\n\n'
+        + helpers
         + 'var buf = [];\n'
         + (options.self
           ? 'var self = locals || {}, __ = __ || locals.__;\n' + js
           : 'with (locals || {}) {' + js + '}')
         + 'return buf.join("");';
+
     } catch (err) {
       process.compile(js, filename || 'Jade');
       return;
@@ -831,6 +845,10 @@ function parse(str, options){
 /**
  * Compile a `Function` representation of the given jade `str`.
  *
+ * Options:
+ *   - `compileDebug` Include/exclude debug helpers such as attrs, escape and rethrow, defaults to true
+ *   - `helpers`  Include helpers as `inline` or get from temporary `global` variables, defaults to `global` 
+ *
  * @param {String} str
  * @param {Options} options
  * @return {Function}
@@ -842,19 +860,34 @@ exports.compile = function(str, options){
     , input = JSON.stringify(str)
     , filename = options.filename
       ? JSON.stringify(options.filename)
-      : 'undefined';
-
-  // Reduce closure madness by injecting some locals
-  var fn = [
-      'var __ = { lineno: 1, input: ' + input + ', filename: ' + filename + ' };'
-    , rethrow.toString()
-    , 'try {'
-    , parse(String(str), options || {})
-    , '} catch (err) {'
-    , '  rethrow(err, __.input, __.filename, __.lineno);'
-    , '}'
-  ].join('\n');
+      : 'undefined'
+    , fn = []
+    , helpers = '';
+
+  if (options.helpers !== 'inline') {
+    jadeHelpers = {
+      rethrow: rethrow
+    };
+    helpers = 'var rethrow = jadeHelpers.rethrow;';
+  } else {
+    helpers = rethrow.toString();
+  }
 
+  if (options.compileDebug !== false) {
+    // Reduce closure madness by injecting some locals
+    fn = [
+        'var __ = { lineno: 1, input: ' + input + ', filename: ' + filename + ' };'
+      , helpers
+      , 'try {'
+      , parse(String(str), options || {})
+      , '} catch (err) {'
+      , '  rethrow(err, __.input, __.filename, __.lineno);'
+      , '}'
+    ].join('\n');
+  } else {
+    fn = parse(String(str), options || {});
+  }
+
   return new Function('locals', fn);
 };
 
@@ -898,7 +931,7 @@ exports.render = function(str, options){
   } else {
     fn = new Function('locals', parse(str, options));
   }
-
+  
   // Render the template
   try {
     var locals = options.locals || {}
@@ -948,7 +981,6 @@ exports.renderFile = function(path, options, fn){
     });
   }
 };
-
 }); // module: jade.js
 
 require.register("lexer.js", function(module, exports, require){