def parse(sourceText, **kwargs):
global lexer, verbose
verbose = kwargs.get("verbose", False)
lexer.initialize(sourceText)
getToken()
program()
if verbose:
print "~" * 80
print "Successful parse!"
print "~" * 80
return ast
def main(sourceText):
global f
f = open(outputFilename, "w")
# # scanner driver
# writeln("Here are the characters returned by the scanner:")
# writeln(" line col character")
# scanner.initialize(sourceText)
# character = scanner.get()
# while True:
# writeln(character)
# if character.cargo == ENDMARK : break
# character = scanner.get()
# # lexer driver
writeln("Here are the tokens returned by the lexer:")
lexer.initialize(sourceText)
while True:
token = lexer.get()
writeln(token.show(True))
print token.show(True)
if token.type == EOF: break
f.close()
def getToken():
global token
if verbose:
if token:
print((" " * indent) + " (" + token.show(align=False) + ")")
token = lexer.get()
