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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/bindings/python/examples | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/bindings/python/examples')
-rw-r--r-- | clang/bindings/python/examples/cindex/cindex-dump.py | 87 | ||||
-rw-r--r-- | clang/bindings/python/examples/cindex/cindex-includes.py | 58 |
2 files changed, 145 insertions, 0 deletions
diff --git a/clang/bindings/python/examples/cindex/cindex-dump.py b/clang/bindings/python/examples/cindex/cindex-dump.py new file mode 100644 index 0000000..af7ddab --- /dev/null +++ b/clang/bindings/python/examples/cindex/cindex-dump.py @@ -0,0 +1,87 @@ +#!/usr/bin/env python + +#===- cindex-dump.py - cindex/Python Source Dump -------------*- python -*--===# +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +#===------------------------------------------------------------------------===# + +""" +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="Don't compute cursor IDs (very slow)", + 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', map(get_diag_info, tu.diagnostics))) + pprint(('nodes', get_info(tu.cursor))) + +if __name__ == '__main__': + main() + diff --git a/clang/bindings/python/examples/cindex/cindex-includes.py b/clang/bindings/python/examples/cindex/cindex-includes.py new file mode 100644 index 0000000..1750022 --- /dev/null +++ b/clang/bindings/python/examples/cindex/cindex-includes.py @@ -0,0 +1,58 @@ +#!/usr/bin/env python + +#===- cindex-includes.py - cindex/Python Inclusion Graph -----*- python -*--===# +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +#===------------------------------------------------------------------------===# + +""" +A simple command line tool for dumping a Graphviz description (dot) that +describes include dependencies. +""" + +def main(): + import sys + from clang.cindex import Index + + from optparse import OptionParser, OptionGroup + + parser = OptionParser("usage: %prog [options] {filename} [clang-args*]") + parser.disable_interspersed_args() + (opts, args) = parser.parse_args() + if len(args) == 0: + parser.error('invalid number arguments') + + # FIXME: Add an output file option + out = sys.stdout + + index = Index.create() + tu = index.parse(None, args) + if not tu: + parser.error("unable to load input") + + # A helper function for generating the node name. + def name(f): + if f: + return "\"" + f.name + "\"" + + # Generate the include graph + out.write("digraph G {\n") + for i in tu.get_includes(): + line = " "; + if i.is_input_file: + # Always write the input file as a node just in case it doesn't + # actually include anything. This would generate a 1 node graph. + line += name(i.include) + else: + line += '%s->%s' % (name(i.source), name(i.include)) + line += "\n"; + out.write(line) + out.write("}\n") + +if __name__ == '__main__': + main() + |