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#!/usr/bin/env python3
#===- cindex-dump.py - cindex/Python Source Dump -------------*- python -*--===#
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===------------------------------------------------------------------------===#
"""
A simple command line tool for dumping a source file using the Clang Index
Library.
"""
def get_diag_info(diag):
return { 'severity' : diag.severity,
'location' : diag.location,
'spelling' : diag.spelling,
'ranges' : diag.ranges,
'fixits' : diag.fixits }
def get_cursor_id(cursor, cursor_list = []):
if not opts.showIDs:
return None
if cursor is None:
return None
# FIXME: This is really slow. It would be nice if the index API exposed
# something that let us hash cursors.
for i,c in enumerate(cursor_list):
if cursor == c:
return i
cursor_list.append(cursor)
return len(cursor_list) - 1
def get_info(node, depth=0):
if opts.maxDepth is not None and depth >= opts.maxDepth:
children = None
else:
children = [get_info(c, depth+1)
for c in node.get_children()]
return { 'id' : get_cursor_id(node),
'kind' : node.kind,
'usr' : node.get_usr(),
'spelling' : node.spelling,
'location' : node.location,
'extent.start' : node.extent.start,
'extent.end' : node.extent.end,
'is_definition' : node.is_definition(),
'definition id' : get_cursor_id(node.get_definition()),
'children' : children }
def main():
from clang.cindex import Index
from pprint import pprint
from optparse import OptionParser, OptionGroup
global opts
parser = OptionParser("usage: %prog [options] {filename} [clang-args*]")
parser.add_option("", "--show-ids", dest="showIDs",
help="Compute cursor IDs (very slow)",
action="store_true", default=False)
parser.add_option("", "--max-depth", dest="maxDepth",
help="Limit cursor expansion to depth N",
metavar="N", type=int, default=None)
parser.disable_interspersed_args()
(opts, args) = parser.parse_args()
if len(args) == 0:
parser.error('invalid number arguments')
index = Index.create()
tu = index.parse(None, args)
if not tu:
parser.error("unable to load input")
pprint(('diags', [get_diag_info(d) for d in tu.diagnostics]))
pprint(('nodes', get_info(tu.cursor)))
if __name__ == '__main__':
main()
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