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authorJeremy Hylton <jeremy@alum.mit.edu>2000-07-25 16:43:23 (GMT)
committerJeremy Hylton <jeremy@alum.mit.edu>2000-07-25 16:43:23 (GMT)
commitffe968b8fe4e4e29c0681256a476d6040be30d6e (patch)
treea12c3e9b30ef42687b128e1951a4aa4324551b6e /Tools/compiler
parent9f2550f58166679a04b651f3d96748b1c9607497 (diff)
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This script demonstrates use of the visitor interface of the compiler
package.
Diffstat (limited to 'Tools/compiler')
-rwxr-xr-xTools/compiler/demo.py38
1 files changed, 38 insertions, 0 deletions
diff --git a/Tools/compiler/demo.py b/Tools/compiler/demo.py
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+#! /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:])