104 lines
2.7 KiB
Python
104 lines
2.7 KiB
Python
#!/usr/bin/env python
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# ===- cindex-dump.py - cindex/Python Source Dump -------------*- python -*--===#
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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# ===------------------------------------------------------------------------===#
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"""
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A simple command line tool for dumping a source file using the Clang Index
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Library.
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"""
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def get_diag_info(diag):
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return {
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"severity": diag.severity,
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"location": diag.location,
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"spelling": diag.spelling,
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"ranges": diag.ranges,
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"fixits": diag.fixits,
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}
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def get_cursor_id(cursor, cursor_list=[]):
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if not opts.showIDs:
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return None
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if cursor is None:
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return None
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# FIXME: This is really slow. It would be nice if the index API exposed
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# something that let us hash cursors.
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for i, c in enumerate(cursor_list):
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if cursor == c:
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return i
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cursor_list.append(cursor)
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return len(cursor_list) - 1
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def get_info(node, depth=0):
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if opts.maxDepth is not None and depth >= opts.maxDepth:
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children = None
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else:
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children = [get_info(c, depth + 1) for c in node.get_children()]
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return {
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"id": get_cursor_id(node),
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"kind": node.kind,
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"usr": node.get_usr(),
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"spelling": node.spelling,
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"location": node.location,
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"extent.start": node.extent.start,
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"extent.end": node.extent.end,
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"is_definition": node.is_definition(),
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"definition id": get_cursor_id(node.get_definition()),
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"children": children,
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}
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def main():
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from clang.cindex import Index
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from pprint import pprint
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from optparse import OptionParser, OptionGroup
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global opts
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parser = OptionParser("usage: %prog [options] {filename} [clang-args*]")
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parser.add_option(
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"",
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"--show-ids",
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dest="showIDs",
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help="Compute cursor IDs (very slow)",
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action="store_true",
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default=False,
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)
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parser.add_option(
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"",
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"--max-depth",
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dest="maxDepth",
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help="Limit cursor expansion to depth N",
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metavar="N",
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type=int,
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default=None,
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)
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parser.disable_interspersed_args()
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(opts, args) = parser.parse_args()
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if len(args) == 0:
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parser.error("invalid number arguments")
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index = Index.create()
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tu = index.parse(None, args)
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if not tu:
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parser.error("unable to load input")
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pprint(("diags", [get_diag_info(d) for d in tu.diagnostics]))
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pprint(("nodes", get_info(tu.cursor)))
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if __name__ == "__main__":
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main()
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