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#!/usr/bin/python
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):
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]
os.chdir(cwd)
if __name__ == '__main__':
if sys.argv.__len__() != 3:
print '''\nEmscripten usage: emscripten.py INFILE PATH-TO-JS-ENGINE\n'''
else:
emscripten(sys.argv[1], None, sys.argv[2])
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