[compiler] prepare for super-calls

lib/xjst/compiler.js

@@ -11,12 +11,13 @@ var xjst = require('../xjst'),
     XJSTLocalAndApplyCompiler = xjst.ometa.XJSTLocalAndApplyCompiler;
 
 //
-// ### function parse (code)
+// ### function parse (code, filename, id)
 // #### @code {String} XJST source
 // #### @filename {String} (optional) Template's filename
+// #### @id {Number} (internal) id
 // Returns AST for input string
 //
-exports.parse = function parse(code, filename) {
+exports.parse = function parse(code, filename, id) {
   var tree = XJSTParser.matchAll(code, 'topLevel', undefined,
                                  utils.errorHandler(code));
 
@@ -25,19 +26,46 @@ exports.parse = function parse(code, filename) {
 
   // Load parent templates
   if (filename) {
-    var dir = path.dirname(filename);
+    var dir = path.dirname(filename),
+        templates = tree[1];
+
+    // Store initial id
+    if (id === undefined) id = 0;
+    tree[3] = [id];
+
+    // Load each dependency
     tree[2].map(function(filename) {
       return path.join(
         dir,
         path.extname(filename) ? filename : filename + '.xjst'
       );
     }).forEach(function(filename) {
       var content = fs.readFileSync(filename).toString(),
-          dependency = exports.parse(content, filename);
+          dependency = exports.parse(content, filename, ++id);
 
+      // And add it's templates to current ones
       tree[0] = tree[0].concat(dependency[0]);
       tree[1] = tree[1].concat(dependency[1]);
+
+      // Also propagate it's dependency ids
+      tree[3] = tree[3].concat(dependency[3]);
     });
+
+    // If we're in nested dependency or
+    // this transformation has at least one dependency
+    if (tree[3].length > 1 || id > 0) {
+      templates.forEach(function(template) {
+        tree[3].forEach(function(id) {
+          // Add !this.__d%id === true to each template statement
+          // This will allow us to do super-calls
+          template[0].unshift([
+            'dep' + id,
+            ['unop', '!', ['get', 'this.__d' + id]],
+            ['get', 'true']
+          ]);
+        });
+      });
+    }
   }
 
   return tree;