This script demonstrates use of the visitor interface of the compiler
package.
diff --git a/Tools/compiler/demo.py b/Tools/compiler/demo.py
new file mode 100755
index 0000000..e9ada5a
--- /dev/null
+++ b/Tools/compiler/demo.py
@@ -0,0 +1,38 @@
+#! /usr/bin/env python
+
+"""Print names of all methods defined in module
+
+This script demonstrates use of the visitor interface of the compiler
+package.
+"""
+
+import compiler
+
+class MethodFinder:
+ """Print the names of all the methods
+
+ Each visit method takes two arguments, the node and its current
+ scope. The scope is the name of the current class or None.
+ """
+
+ def visitClass(self, node, scope=None):
+ self.visit(node.code, node.name)
+
+ def visitFunction(self, node, scope=None):
+ if scope is not None:
+ print "%s.%s" % (scope, node.name)
+ self.visit(node.code, None)
+
+def main(files):
+ mf = MethodFinder()
+ for file in files:
+ f = open(file)
+ buf = f.read()
+ f.close()
+ ast = compiler.parse(buf)
+ compiler.walk(ast, mf)
+
+if __name__ == "__main__":
+ import sys
+
+ main(sys.argv[1:])