From bd7af84d5ecd037fe4ab1a66948c51d23eb0eb0d Mon Sep 17 00:00:00 2001 From: Nathan Binkert Date: Tue, 4 Aug 2009 09:37:27 -0700 Subject: [PATCH] slicc: better error messages when the python parser fails --- src/mem/slicc/parser/parser.py | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/src/mem/slicc/parser/parser.py b/src/mem/slicc/parser/parser.py index 1c7d582ec..c042ba2c1 100644 --- a/src/mem/slicc/parser/parser.py +++ b/src/mem/slicc/parser/parser.py @@ -100,8 +100,15 @@ t_SEMICOLON = r';' t_ASSIGN = r':=' t_DOT = r'\.' -class TokenError(Exception): pass -class ParseError(Exception): pass +class TokenError(Exception): + def __init__(self, msg, t): + super(TokenError, self).__init__(msg) + self.token = t + +class ParseError(Exception): + def __init__(self, msg, t): + super(ParseError, self).__init__(msg) + self.token = t def t_error(t): raise TokenError("Illegal character", t) @@ -157,7 +164,7 @@ def p_file(p): p[0] = [ x for x in p[1] if x is not None ] def p_error(t): - raise ParseError(t) + raise ParseError("Syntax error", t) def p_empty(p): "empty :" @@ -544,7 +551,7 @@ def scan(filenames): try: results = yacc.parse(file(filename, 'r').read()) except (TokenError, ParseError), e: - raise type(e), tuple([filename] + [ i for i in e ]) + sys.exit("%s: %s:%d" % (e, filename, e.token.lineno)) for result in results: result.add(hh, cc) -- 2.30.2