You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

124 lines
3.6 KiB

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import json
import clang.cindex
from clang.cindex import CursorKind
class AST_Parser:
def __init__(self,library_file=None):
if not clang.cindex.Config.loaded:
print("Using libclang from: %s", library_file)
clang.cindex.Config.set_library_file(library_file)
def parse(self, filename, content):
index = clang.cindex.Index.create()
arguments = ["-x", "c"]
options = clang.cindex.TranslationUnit.PARSE_SKIP_FUNCTION_BODIES
content = [(filename, content)]
translation_unit = index.parse(filename, unsaved_files=content, args=arguments, options=options)
ret = self._parse(translation_unit.cursor, filename)
return ret
def _get_children_filelocal(self, cursor, path):
return [c for c in cursor.get_children() if c.location.file and c.location.file.name == path]
def _parse(self, cursor, path):
item = {}
excluded_cursortypes = [CursorKind.INTEGER_LITERAL]
if not cursor.kind in excluded_cursortypes:
if not str(cursor.kind) == "":
item["kind"] = str(cursor.kind)
if not cursor.spelling == "":
item["name"] = cursor.spelling
if not cursor.displayname == "":
item["displayname"] = cursor.displayname
if not cursor.type.spelling == "":
item["type"] = cursor.type.spelling
if not cursor.result_type.spelling == "":
item["result_type"] = cursor.result_type.spelling
if cursor.kind == CursorKind.ENUM_CONSTANT_DECL:
item["value"] = cursor.enum_value
child_cursors = self._get_children_filelocal(cursor, path)
if len(child_cursors) > 0:
child_arr = []
for child_cursor in child_cursors:
child_result = self._parse(child_cursor, path)
if child_result:
child_arr.append(child_result)
if child_arr:
item["children"] = child_arr
return item
def create_paths_list(dirname, filenames):
paths = []
for basename in filenames:
path = dirname + basename
paths.append(path)
return paths
def read_files(paths):
content = []
for path in paths:
file_info = read_file(path)
content.append(file_info)
return content
def read_file(path):
with open(path) as f:
file_content = f.read()
item = {"path": path,
"sourcecode": file_content}
return item
def write_json(header):
header["outpath"] += ".json"
with open(header.get("outpath"), "w+") as f:
json.dump(header, f, indent=4)
def prepare_header(header, out_dir):
basename = os.path.basename(header.get("path"))
outpath = out_dir + basename
header["outpath"] = outpath
return header
def main():
input()
parser = AST_Parser("/opt/local/libexec/llvm-9.0/lib/libclang.dylib")
# Input
prefix = r"/Users/heck/local-default/"
filenames = ["pEpEngine.h",
"keymanagement.h"]
# Output
out_dir = "data/output/"
if not os.path.isdir(out_dir):
os.makedirs(out_dir)
in_dir = prefix + r"include/pEp/"
paths = create_paths_list(in_dir, filenames)
headers = read_files(paths)
for header in headers:
header = prepare_header(header, out_dir)
print("processing path: " + header.get("path") + "...")
header["AST"] = parser.parse(header["path"], header["sourcecode"])
write_json(header)
if __name__ == "__main__":
main()