nerix
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import os
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import clang.cindex
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from .helpers import get_clang_builtin_include_dirs
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def parse(filename: str, additional_includes: list[str] = []) -> clang.cindex.TranslationUnit:
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if not os.path.isfile(filename):
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raise ValueError(f"Path {filename} is not a file. cwd: {os.getcwd()}")
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parse_args = [
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"-std=c++17",
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# Uncomment this if you need to debug where it tries to find headers
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# "-H",
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]
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parse_options = (
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clang.cindex.TranslationUnit.PARSE_INCOMPLETE | clang.cindex.TranslationUnit.PARSE_SKIP_FUNCTION_BODIES
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)
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extra_includes, system_includes = get_clang_builtin_include_dirs()
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for include_dir in system_includes:
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parse_args.append(f"-isystem{include_dir}")
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for include_dir in extra_includes:
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parse_args.append(f"-I{include_dir}")
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for dir in additional_includes:
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parse_args.append("-I")
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parse_args.append(dir)
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# Append default dirs
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# - Append dir of file
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file_dir = os.path.dirname(os.path.realpath(filename))
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parse_args.append(f"-I{file_dir}")
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# - Append project include dir
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file_subdir = os.path.realpath(os.path.join(os.path.dirname(os.path.realpath(filename)), "../.."))
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parse_args.append(f"-I{file_subdir}")
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# TODO: Use build_commands if available
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index = clang.cindex.Index.create()
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return index.parse(filename, args=parse_args, options=parse_options)
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