Python Graph.MakeFirstAlt Examples

Example #1

File: Parser.py Project: bloomfieldfong/Generador-de-Analizadores

    def Expression(self):
        g = self.Term()
        first = True
        while self.WeakSeparator(Scanner.bar_Sym, 19, 20):
            g2 = self.Term()
            if first:
                Graph.MakeFirstAlt(g)
                first = False
            Graph.MakeAlternative(g, g2)

        return g

Example #2

File: Parser.py Project: bloomfieldfong/Generador-de-Analizadores

    def TokenExpr(self):
        g = self.TokenTerm()
        first = True
        while self.WeakSeparator(Scanner.bar_Sym, 6, 7):
            g2 = self.TokenTerm()
            if first:
                Graph.MakeFirstAlt(g)
                first = False
            Graph.MakeAlternative(g, g2)

        return g