我试图打印出一个给定C++文件中的所有AST节点。我提供了一个有效的C++文件,它有一个编译程序命令.json父目录中的文件。所有步骤都和How to use compile_commands.json with clang python bindings?一样,我的clang版本是:“clangversion7.0.1(tags/RELEASE\u701/final) 目标:x86\u 64-pc-windows-msvc 螺纹型号:posix InstalledDir:C:\Program Files\LLVM\bin”。操作系统为windows10,python版本为2.7。但是,当我运行下面的脚本时。你知道吗
在此处输入代码
import clang.cindex
from clang.cindex import *
libclang_path = r'C:\Program Files\LLVM\bin\libclang.dll'
if Config.loaded == True:
pass
else:
Config.set_library_file(libclang_path)
def node_info(node):
return {'kind': node.kind,
'usr': node.get_usr(),
'spelling': node.spelling,
'location': node.location,
'file': node.location.file.name,
'extent.start': node.extent.start,
'extent.end': node.extent.end,
'is_definition': node.is_definition()
}
def get_nodes_in_file(node, filename, ls=None):
ls = ls if ls is not None else []
for n in node.get_children():
if n.location.file is not None and n.location.file.name == filename:
ls.append(n)
get_nodes_in_file(n, filename, ls)
return ls
def main():
compilation_database_path = 'C:/Users/liqiu/Desktop/md/gn/build/win/x64'
source_file_path = 'C:/Users/liqiu/Desktop/md/.../video_camera_source.cpp'
index = clang.cindex.Index.create()
compdb = clang.cindex.CompilationDatabase.fromDirectory(compilation_database_path)
try:
file_args = compdb.getCompileCommands(source_file_path)
translation_unit = index.parse(source_file_path, file_args)
file_nodes = get_nodes_in_file(translation_unit.cursor, source_file_path)
print [p.spelling for p in file_nodes]
except clang.cindex.CompilationDatabaseError:
print 'Could not load compilation flags for', source_file_path
if __name__ == '__main__':
main()
有如下错误。我认为这个错误的原因是“file\u args=compdb。GetCompileCommands(source\u file\u path)“此行返回一个CompileCommand实例,而不是字符串或整数类型,因此索引.parse()无法直接接受此实例作为参数。但在旧版本的libclang中,这似乎返回了一些字符串类型的“命令”。这让我现在很困惑。你知道吗
D:\Python27\python.exe C:/Users/liqiu/Desktop/libclang_parse/parser.py
Traceback (most recent call last):
File "C:/Users/liqiu/Desktop/libclang_parse/parser.py", line 51, in <module>
main()
File "C:/Users/liqiu/Desktop/libclang_parse/parser.py", line 43, in main
translation_unit = index.parse(source_file_path, file_args)
File "C:\Users\liqiu\Desktop\libclang_parse\clang\cindex.py", line 2689, in parse
self)
File "C:\Users\liqiu\Desktop\libclang_parse\clang\cindex.py", line 2783, in from_source
args_array = (c_char_p * len(args))(*[b(x) for x in args])
TypeError: string or integer address expected instead of CompileCommand instance
Process finished with exit code 1
因为它是一个listiterator,所以我们应该如下处理: 文件参数=compdb.getCompileCommands命令(源文件路径) arguments=list(iter(文件\ args).next().arguments)
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