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| author | Eli Bendersky <eliben@gmail.com> | 2010-05-21 09:05:39 +0300 |
|---|---|---|
| committer | Eli Bendersky <eliben@gmail.com> | 2010-05-21 09:05:39 +0300 |
| commit | 3921e8e23ef7952e2e118e9d534cfc4a221e2450 (patch) | |
| tree | 60efcf9f007a5657422a75ed0aad28cb97cb3fa2 /examples/func_defs.py | |
| download | pycparser-3921e8e23ef7952e2e118e9d534cfc4a221e2450.tar.gz | |
initial import from SVN
Diffstat (limited to 'examples/func_defs.py')
| -rw-r--r-- | examples/func_defs.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/examples/func_defs.py b/examples/func_defs.py new file mode 100644 index 0000000..fa15b38 --- /dev/null +++ b/examples/func_defs.py @@ -0,0 +1,51 @@ +#-----------------------------------------------------------------
+# pycparser: func_defs.py
+#
+# Using pycparser for printing out all the functions defined in a
+# C file.
+#
+# This is a simple example of traversing the AST generated by
+# pycparser.
+#
+# Copyright (C) 2008-2009, Eli Bendersky
+# License: LGPL
+#-----------------------------------------------------------------
+import sys
+
+# This is not required if you've installed pycparser into
+# your site-packages/ with setup.py
+#
+sys.path.insert(0, '..')
+
+from pycparser import c_parser, c_ast, parse_file
+from pycparser.portability import printme
+
+
+# A simple visitor for FuncDef nodes that prints the names and
+# locations of function definitions.
+#
+class FuncDefVisitor(c_ast.NodeVisitor):
+ def visit_FuncDef(self, node):
+ printme('%s at %s\n' % (node.decl.name, node.decl.coord))
+
+
+def show_func_defs(filename):
+ # Note that cpp is used. Provide a path to your own cpp or
+ # make sure one exists in PATH.
+ # + ast = parse_file(filename, use_cpp=True)
+
+ v = FuncDefVisitor()
+ v.visit(ast)
+
+
+if __name__ == "__main__":
+ if len(sys.argv) > 1:
+ filename = sys.argv[1]
+ else:
+ filename = 'c_files/memmgr.c'
+
+ show_func_defs(filename)
+
+
+
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