Fix 'uncaughtException' for top level exceptions

Done by not evaluating the code in the first tick.

This breaks one test in test-error-reporting.js but I believe this to be a
V8 error and I have reported it in
http://code.google.com/p/v8/issues/detail?id=764

lib/module.js

@@ -437,9 +437,11 @@ Module.prototype._waitChildrenLoad = function (callback) {
 
 
 // bootstrap main module.
-exports.runMain = function () {
+exports.runMain = function (filename) {
 
   // Load the main module--the command line argument.
   process.mainModule = new Module(".");
-  process.mainModule.loadSync(process.argv[1]);
+  process.mainModule.load(filename, function (err) {
+    if (err) throw err;
+  });
 }

src/node.cc

@@ -1805,9 +1805,8 @@ static void Load(int argc, char *argv[]) {
 
   f->Call(global, 1, args);
 
-  if (try_catch.HasCaught())  {
-    ReportException(try_catch, true);
-    exit(11);
+  if (try_catch.HasCaught()) {
+    FatalException(try_catch);
   }
 }
 

src/node.js

@@ -239,7 +239,7 @@ if (process.argv[1]) {
     process.argv[1] = path.join(cwd, process.argv[1]);
   }
 
-  module.runMain();
+  module.runMain(process.argv[1]);
 } else {
   // No arguments, run the repl
   var repl = module.requireNative('repl');

test/simple/test-error-reporting.js

@@ -33,14 +33,14 @@ errExec('throws_error.js', function (err, stdout, stderr) {
 });
 
 
-// Trying to JSON.parse(undefined)
-errExec('throws_error2.js', function (err, stdout, stderr) {
+// Trying to JSON.parse(undefined) in nextTick
+errExec('throws_error3.js', function (err, stdout, stderr) {
   assert.ok(/JSON/.test(stderr));
 });
 
 
-// Trying to JSON.parse(undefined) in nextTick
-errExec('throws_error3.js', function (err, stdout, stderr) {
+// Trying to JSON.parse(undefined)
+errExec('throws_error2.js', function (err, stdout, stderr) {
   assert.ok(/JSON/.test(stderr));
 });
 

test/simple/test-uncaught-exception.js

@@ -0,0 +1,13 @@
+require('../common')
+
+process.addListener('uncaughtException', function (err) {
+  puts('Caught exception: ' + err);
+});
+
+setTimeout(function () {
+  puts('This will still run.');
+}, 500);
+
+// Intentionally cause an exception, but don't catch it.
+nonexistentFunc();
+puts('This will not run.');