Allow overriding compiler settings.js

1 files changed, 5 insertions, 7 deletions

diff --git a/emscripten.py b/emscripten.py
index 3bbbb8c9..ce1bc48f 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -4,18 +4,16 @@ import os, sys, subprocess
 
 COMPILER = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'src', 'parser.js')
 
-def emscripten(filename, output_filename, js_engine):
+def emscripten(filename, js_engine, settings):
+  data = open(filename, 'r').read()
   cwd = os.getcwd()
   os.chdir(os.path.dirname(COMPILER))
-  if output_filename is not None:
-    subprocess.Popen([js_engine] + [COMPILER], stdin=open(filename, 'r'), stdout=open(output_filename, 'w'), stderr=subprocess.STDOUT).communicate()[0]
-  else:
-    subprocess.Popen([js_engine] + [COMPILER], stdin=open(filename, 'r')).communicate()[0]
+  subprocess.Popen([js_engine, COMPILER], stdin=subprocess.PIPE).communicate(settings+'\n'+data)[0]
   os.chdir(cwd)
 
 if __name__ == '__main__':

   if sys.argv.__len__() != 3:
-    print '''\nEmscripten usage:          emscripten.py INFILE PATH-TO-JS-ENGINE\n'''
+    print '''\nEmscripten usage:          emscripten.py INFILE PATH-TO-JS-ENGINE [SETTINGS]\n'''
   else:
-    emscripten(sys.argv[1], None, sys.argv[2])
+    emscripten(sys.argv[1], sys.argv[2],  sys.argv[3] if len(sys.argv) == 4 else "{}")