Exemple #1
0
        public int Match(uint[] input, int offset, string precedenceLevel, CircumfixGoalContainer container)
        {
            var ops = LongestToShortest(precedenceLevel);
            var os  = offset;

            foreach (var op in ops)
            {
                if (op.Length + os > input.Length)
                {
                    goto next;
                }
                foreach (var codepoint in op)
                {
                    if (input[offset++] != codepoint)
                    {
                        goto next;
                    }
                }
                container.Goal = new CircumfixGoal(this[new UTF32String(op).ToString()].Goal, container.Goal);
                return(offset - os);

next:
                offset = os;
            }
            return(0);
        }
Exemple #2
0
        public int Match(uint[] input, int offset, CircumfixGoalContainer container)
        {
            var os = offset;
            var op = GoalText.Chars;

            if (op.Length + os > input.Length)
            {
                return(0);
            }
            foreach (var codepoint in op)
            {
                if (input[offset++] != codepoint)
                {
                    return(0);
                }
            }
            container.Goal = container.Goal.Parent; // pop the stack
            return(offset - os);
        }