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# -*- Mode: python; 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 distibuted with this
import os
import shlex
import subprocess
import buildconfig
import mozpack.path as mozpath
def main(output, input_asm, ffi_h, ffi_config_h, defines, includes):
defines = shlex.split(defines)
includes = shlex.split(includes)
# CPP uses -E which generates #line directives. -EP suppresses them.
# -TC forces the compiler to treat the input as C.
cpp = buildconfig.substs["CPP"] + ["-EP"] + ["-TC"]
input_asm = mozpath.relpath(input_asm, os.getcwd())
args = cpp + defines + includes + [input_asm]
print(" ".join(args))
preprocessed = subprocess.check_output(args)
output.write(preprocessed)