Merge pull request #2827 from hden/lineno

Lineno

lib/coffee-script/coffee-script.js

@@ -233,9 +233,13 @@
         var answer, sourceMap;
         sourceMap = mainModule._sourceMaps[filename];
         if (sourceMap) {
-          answer = sourceMap.getSourcePosition([line, column]);
+          answer = sourceMap.getSourcePosition([line - 1, column - 1]);
+        }
+        if (answer) {
+          return [answer[0] + 1, answer[1] + 1];
+        } else {
+          return null;
         }
-        return answer;
       };
       frames = (function() {
         var _j, _len1, _results;