module,src: do not wrap modules with -1 lineOffset

In b799a74709af69daf13901390df9428c4c38adfc and
dfee4e3712ac4673b5fc472a8f77ac65bdc65f87 the module wrapping
mechanism was changed for better error reporting. However,
the changes causes issues with debuggers and profilers. This
commit reverts the wrapping changes.

Fixes: https://github.com/nodejs/node/issues/4297
PR-URL: https://github.com/nodejs/node/pull/4298
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

lib/module.js

@@ -372,7 +372,7 @@ Module.prototype._compile = function(content, filename) {
   var wrapper = Module.wrap(content);
 
   var compiledWrapper = runInThisContext(wrapper,
-                                      { filename: filename, lineOffset: -1 });
+                                      { filename: filename, lineOffset: 0 });
   if (global.v8debug) {
     if (!resolvedArgv) {
       // we enter the repl if we're not given a filename argument.

src/node.js

@@ -958,7 +958,7 @@
   };
 
   NativeModule.wrapper = [
-    '(function (exports, require, module, __filename, __dirname) {\n',
+    '(function (exports, require, module, __filename, __dirname) { ',
     '\n});'
   ];
 
@@ -968,7 +968,7 @@
 
     var fn = runInThisContext(source, {
       filename: this.filename,
-      lineOffset: -1
+      lineOffset: 0
     });
     fn(this.exports, NativeModule.require, this, this.filename);
 

test/sequential/test-module-loading.js

@@ -281,9 +281,9 @@ assert.equal(42, require('../fixtures/utf8-bom.js'));
 assert.equal(42, require('../fixtures/utf8-bom.json'));
 
 // Error on the first line of a module should
-// have the correct line and column number
+// have the correct line number
 assert.throws(function() {
   require('../fixtures/test-error-first-line-offset.js');
 }, function(err) {
-  return /test-error-first-line-offset.js:1:1/.test(err.stack);
+  return /test-error-first-line-offset.js:1:/.test(err.stack);
 }, 'Expected appearance of proper offset in Error stack');