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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import os
import json
from ast_parser import ASTParser
from simple_ast import SimpleAST
def join_dir_and_filenames(dirname, filenames):
paths = []
for basename in filenames:
path = dirname + basename
paths.append(path)
return paths
def read_file(path):
with open(path) as f:
file_content = f.read()
return file_content
# out-dir is in-dir if not specified
def create_header(path, out_dir=None):
header = {"path": "",
"dir": "",
"filename": "",
"out_dir": "",
"sourcecode": ""}
header["path"] = path
header["dir"] = os.path.dirname(path)
header["filename"] = os.path.basename(path)
header["out_dir"] = header["dir"]
if out_dir:
header["out_dir"] = out_dir
header["sourcecode"] = read_file(path)
return header
def write_json(content, outpath):
# create path if not existing
out_dir = os.path.dirname(outpath)
if not os.path.isdir(out_dir):
os.makedirs(out_dir)
# write
with open(outpath, "w+") as f:
json.dump(content, f, indent=4)
# generates simple-ast for each header specified in spec out dir.
def main_old():
parser = ASTParser("/opt/local/libexec/llvm-9.0/lib/libclang.dylib")
in_dir = r"/Users/heck/local-default/include/pEp/"
filenames = ["pEpEngine.h",
"keymanagement.h",
"message_api.h",
"message.h",
"sync_api.h",
"key_reset.h",
"Identity.h",
"Rating.h"]
out_dir = "data/output"
paths = join_dir_and_filenames(in_dir, filenames)
headers = []
for path in paths:
headers.append(create_header(path, out_dir))
for header in headers:
print("processing path: " + header["path"] + "...")
header["ast"] = parser.parse(header["path"], header["sourcecode"])
write_json(header["ast"], header["out_dir"] + "/" + header["filename"] + ".ast.json")
simpleAst = SimpleAST()
header["simple_ast"] = simpleAst.create_simple_ast(header["ast"])
write_json(header["simple_ast"], header["out_dir"] + "/" + header["filename"] + ".simple_ast.json")
def recursive_query(data, filter, transform=lambda x: x):
resultset = []
# decorator just handling exceptions
def filter_decorator(data):
try:
return filter(data)
except KeyError:
pass
# filter current data
if filter_decorator(data):
# transform result
xformed = transform(data)
if xformed:
resultset.append(xformed)
# recurse
if "children" in data:
for item in data["children"]:
childres = recursive_query(item, filter, transform)
if childres:
resultset += childres
return resultset
def main_new():
parser = ASTParser("/opt/local/libexec/llvm-9.0/lib/libclang.dylib")
# header = create_header("/Users/heck/local-default/include/pEp/pEpEngine.h", out_dir="./")
header = create_header("data/input/test_data/main_include.h")
header["ast"] = parser.parse(header["path"], follow_includes=True)
write_json(header["ast"], header["out_dir"] + "/" + header["filename"] + ".ast.json")
# query
def filter_xzy(item):
if (item["is_definition"] == False
and item["kind"] == "CursorKind.STRUCT_DECL"
):
return True
def xform(item):
return item
matches = recursive_query(header["ast"], filter_xzy, xform)
# matches = list(set(matches))
write_json(matches, header["out_dir"] + "/" + header["filename"] + ".matches.json")
def main():
main_old()
# main_new()
if __name__ == "__main__":
main()