X-Git-Url: http://nitlanguage.org

diff --git a/lib/emscripten.nit b/lib/emscripten.nit
index 65fe1f4..2277a51 100644
--- a/lib/emscripten.nit
+++ b/lib/emscripten.nit
@@ -14,4 +14,33 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Platform for the _emscripten_ framework
+#
+# Importing this module from your project will tell `nitg` to compile
+# to JavaScript for the _emscripten_ framework.
 module emscripten is platform
+
+`{
+	#include <emscripten.h>
+	#include <gc.h>
+`}
+
+redef class Text
+	# Run `self` as JavaScript code
+	fun run_js do run_js_native(self.escape_to_js.to_cstring)
+
+	private fun run_js_native(script: NativeString) `{ emscripten_run_script(script); `}
+
+	# Escape the content of `self` to pass to JavaScript code
+	fun escape_to_js: Text do return replace('\n', "\\n")
+
+	# Raise a JavaScript alert
+	fun alert do "alert('{self.escape_to_js}')".run_js
+end
+
+redef class Sys
+	redef fun force_garbage_collection `{ GC_FORCE_COLLECT(); `}
+
+	# The emscripten GC *must* be manually invoked, it will not act by itself
+	fun suggest_garbage_collection `{ GC_MAYBE_COLLECT(); `}
+end