Import XULRunner and make it produce the generic stub

application/xulrunner/examples/simple/components/moz.build

@@ -0,0 +1,7 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+DIRS += ['public', 'src']

application/xulrunner/examples/simple/components/public/moz.build

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+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+XPIDL_SOURCES += [
+    'nsISimpleTest.idl',
+]
+
+XPIDL_MODULE = 'simple'
+
+XPI_NAME = 'simple'

application/xulrunner/examples/simple/components/public/nsISimpleTest.idl

@@ -0,0 +1,15 @@
+/* vim:set ts=2 sw=2 sts=2 et cin: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+[scriptable, uuid(f2f71d91-0451-47ec-aaa0-166663a7711a)]
+interface nsISimpleTest : nsISupports
+{
+  /**
+   * This interface adds two numbers together and returns the result.
+   */
+  long add(in long a, in long b); 
+};

application/xulrunner/examples/simple/components/src/SimpleTest.cpp

@@ -0,0 +1,54 @@
+/* vim:set ts=2 sw=2 sts=2 et cin: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include "nsISimpleTest.h"
+#include "mozilla/ModuleUtils.h"
+
+class SimpleTest : public nsISimpleTest
+{
+  ~SimpleTest() {}
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISIMPLETEST
+};
+
+NS_IMPL_ISUPPORTS(SimpleTest, nsISimpleTest)
+
+NS_IMETHODIMP
+SimpleTest::Add(int32_t a, int32_t b, int32_t *r)
+{
+  printf("add(%d,%d) from C++\n", a, b);
+
+  *r = a + b;
+  return NS_OK;
+}
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(SimpleTest)
+
+// 5e14b432-37b6-4377-923b-c987418d8429
+#define SIMPLETEST_CID \
+  { 0x5e14b432, 0x37b6, 0x4377, \
+    { 0x92, 0x3b, 0xc9, 0x87, 0x41, 0x8d, 0x84, 0x29 } }
+
+NS_DEFINE_NAMED_CID(SIMPLETEST_CID);
+
+static const mozilla::Module::CIDEntry kSimpleCIDs[] = {
+  { &kSIMPLETEST_CID, false, nullptr, SimpleTestConstructor },
+  { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kSimpleContracts[] = {
+  { "@test.mozilla.org/simple-test;1?impl=c++", &kSIMPLETEST_CID },
+  { nullptr }
+};
+
+static const mozilla::Module kSimpleModule = {
+  mozilla::Module::kVersion,
+  kSimpleCIDs,
+  kSimpleContracts
+};
+
+NSMODULE_DEFN(SimpleTestModule) = &kSimpleModule;

application/xulrunner/examples/simple/components/src/SimpleTest.js

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+/* vim:set ts=2 sw=2 sts=2 et cin: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+function SimpleTest() {
+}
+
+SimpleTest.prototype = {
+  classID: Components.ID("{4177e257-a0dc-49b9-a774-522a000a49fa}"),
+
+  QueryInterface: function(iid) {
+    if (iid.equals(Components.interfaces.nsISimpleTest) ||
+        iid.equals(Components.interfaces.nsISupports))
+      return this;
+    throw Components.results.NS_ERROR_NO_INTERFACE;
+  },
+
+  add: function(a, b) {
+    dump("add(" + a + "," + b + ") from JS\n");
+    return a + b;
+  }
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SimpleTest]);

application/xulrunner/examples/simple/components/src/SimpleTest.manifest

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+component {4177e257-a0dc-49b9-a774-522a000a49fa} SimpleTest.js
+contract @test.mozilla.org/simple-test;1?impl=js {4177e257-a0dc-49b9-a774-522a000a49fa}

application/xulrunner/examples/simple/components/src/moz.build

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+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+SOURCES += [
+    'SimpleTest.cpp',
+]
+
+XPCOMBinaryComponent('simpletest')
+
+EXTRA_COMPONENTS += [
+    'SimpleTest.js',
+    'SimpleTest.manifest',
+]
+
+XPI_NAME = 'simple'
+
+if CONFIG['GNU_CXX']:
+    CXXFLAGS += ['-Wshadow']