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"""generate vistor code for javacc grammar. code goes in SimpleNode.java"""
import string
file = "c:\\jpython\\JavaCode\\org\\python\\parser\\PythonGrammarTreeConstants.java"
fp = open(file, "r")
lines = fp.readlines()
fp.close()
names = []
in_names = 0
for line in lines:
if in_names:
if "}" in line:
in_names = 0
continue
name = string.split(line, '"')[1]
#if name != 'void':
names.append(name)
else:
if "[" in line:
in_names = 1
print names
print "\t\tswitch(id) {"
for i in range(len(names)):
print "\t\tcase %d:\r" % i
print "\t\t\treturn visitor.%s(this);\r" % names[i]
print "\t\t}\r"
for name in names:
print "\tpublic Object %s(SimpleNode n) throws Exception {\r" % name
print '\t\tthrow new ParseException("Unhandled Node: "+n);\r'
print "\t}\r"
print '\r'
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