/ Lp4all / parse_exception.py

# -*- coding: utf-8 -*- 

# lp4all: literate programming embedded in source code as wiki comments
# Copyright (C) 2006 Jean-Marie Favreau, Frédéric Lehobey, David Mentré
#                    and Thomas Petazzoni
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


class ParseException(Exception):
    def __init__(self, message = "", lineno = -1, endlineno = -1):
        Exception.__init__(self, message)
        self.lineno = lineno
        self.endlineno = endlineno
        self.filename = ""

    def __str__(self):
        if self.lineno == -1 and self.endlineno == -1:
            return "Parse error in " + self.filename + ": " + Exception.__str__(self)
        elif self.endlineno == -1:
            return "Parse error in " + self.filename + " at line " + str(self.lineno) + ": "+ Exception.__str__(self)
        else:
            return "Parse error in " + self.filename + " between line " + str(self.lineno) + " and " + str(self.endlineno) + ": " + Exception.__str__(self)

    def setCommentProperties(self, filename, commentStartLine, commentEndLine):
        self.filename = filename
        if self.lineno >= 0:
            self.lineno += commentStartLine
        if self.endlineno >= 0:
            self.endlineno += commentStartLine
        if self.lineno < 0 and self.endlineno < 0:
            self.lineno = commentStartLine
            self.endlineno = commentEndLine