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102 lines
3.3 KiB
Python
102 lines
3.3 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import os
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import subprocess
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import sys
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import tempfile
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from argparse import Action, ArgumentParser
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import buildconfig
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class CPPFlag(Action):
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all_flags = []
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def __call__(self, parser, namespace, values, option_string=None):
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if "windres" in buildconfig.substs["RC"].lower():
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if option_string == "-U":
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return
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if option_string == "-I":
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option_string = "--include-dir"
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self.all_flags.extend((option_string, values))
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def generate_res():
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parser = ArgumentParser()
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parser.add_argument(
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"-D", action=CPPFlag, metavar="VAR[=VAL]", help="Define a variable"
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)
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parser.add_argument("-U", action=CPPFlag, metavar="VAR", help="Undefine a variable")
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parser.add_argument(
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"-I", action=CPPFlag, metavar="DIR", help="Search path for includes"
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)
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parser.add_argument("-o", dest="output", metavar="OUTPUT", help="Output file")
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parser.add_argument("input", help="Input file")
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args = parser.parse_args()
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is_windres = "windres" in buildconfig.substs["RC"].lower()
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verbose = os.environ.get("BUILD_VERBOSE_LOG")
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# llvm-rc doesn't preprocess on its own, so preprocess manually
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# Theoretically, not windres could be rc.exe, but configure won't use it
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# unless you really ask for it, and it will still work with preprocessed
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# output.
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try:
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if not is_windres:
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fd, path = tempfile.mkstemp(suffix=".rc")
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command = buildconfig.substs["CXXCPP"] + CPPFlag.all_flags
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command.extend(("-DRC_INVOKED", args.input))
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cpu_arch_dict = {"x86_64": "_AMD64_", "x86": "_X86_", "aarch64": "_ARM64_"}
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# add a preprocessor #define that specifies the CPU architecture
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cpu_arch_ppd = cpu_arch_dict[buildconfig.substs["TARGET_CPU"]]
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command.extend(("-D", cpu_arch_ppd))
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if verbose:
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print("Executing:", " ".join(command))
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with os.fdopen(fd, "wb") as fh:
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retcode = subprocess.run(command, stdout=fh).returncode
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if retcode:
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# Rely on the subprocess printing out any relevant error
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return retcode
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else:
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path = args.input
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command = [buildconfig.substs["RC"]]
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if is_windres:
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command.extend(("-O", "coff"))
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# Even though llvm-rc doesn't preprocess, we still need to pass at least
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# the -I flags.
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command.extend(CPPFlag.all_flags)
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if args.output:
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if is_windres:
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command.extend(("-o", args.output))
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else:
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# Use win1252 code page for the input.
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command.extend(("-c", "1252", "-Fo" + args.output))
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command.append(path)
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if verbose:
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print("Executing:", " ".join(command))
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retcode = subprocess.run(command).returncode
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if retcode:
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# Rely on the subprocess printing out any relevant error
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return retcode
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finally:
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if path != args.input:
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os.remove(path)
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return 0
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if __name__ == "__main__":
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sys.exit(generate_res())
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