From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 .../bindings/python/examples/cindex/cindex-dump.py | 87 ++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 clang/bindings/python/examples/cindex/cindex-dump.py

(limited to 'clang/bindings/python/examples/cindex/cindex-dump.py')

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()
+
-- 
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