1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
17 # Platform for the _emscripten_ framework
19 # Importing this module from your project will tell `nitg` to compile
20 # to JavaScript for the _emscripten_ framework.
21 module emscripten
is platform
24 #include <emscripten.h>
29 # Run `self` as JavaScript code
30 fun run_js
do run_js_native
(self.escape_to_js
.to_cstring
)
32 private fun run_js_native
(script
: NativeString) `{ emscripten_run_script(script); `}
34 # Escape the content of `self` to pass to JavaScript code
35 fun escape_to_js: Text do return replace('\n', "\\n")
37 # Raise a JavaScript alert
38 fun alert do "alert('{self.escape_to_js}')".run_js
42 redef fun force_garbage_collection `{ GC_FORCE_COLLECT(); `}
44 # The emscripten GC *must* be manually invoked, it will not act by itself
45 fun suggest_garbage_collection
`{ GC_MAYBE_COLLECT(); `}