Exemple #1
0
        public static ProgramObject parseRightXor(ProgramObject s1, ProgramObject s2, ProgramObject leftExpression)
        {
            var left  = (Symbole)s1;
            var right = (Symbole)s2;

            left.addRelation(new RightXor(right, leftExpression));
            right.addRelation(new RightXor(left, leftExpression));
            return(null);
        }
Exemple #2
0
 public LeftAnd(ProgramObject s1, ProgramObject s2)
 {
     this.s1   = s1;
     this.s2   = s2;
     this.type = ProgramObjectType.Relation;
 }
Exemple #3
0
        private void parseRightExpression(ProgramObject leftExpression)
        {
            bool not = false;

            if (currentToken.tokenType == TokenType.Not)
            {
                not          = true;
                currentToken = lexer.nextToken();
            }
            if (currentToken.tokenType == TokenType.Symbol)
            {
                var s1 = core.getSymbole(currentToken.value) ?? new Symbole(currentToken.value);
                currentToken = lexer.nextToken();
                if (currentToken.tokenType == TokenType.Eol)
                {
                    if (not)
                    {
                        s1.addRelation(new RightInvert(leftExpression));
                    }
                    else
                    {
                        s1.addRelation(new RightNormal(leftExpression));
                    }
                }
                else if (currentToken.tokenType == TokenType.And)
                {
                    currentToken = lexer.nextToken();
                    if (currentToken.tokenType == TokenType.Symbol)
                    {
                        var s2 = core.getSymbole(currentToken.value) ?? new Symbole(currentToken.value);
                        currentToken = lexer.nextToken();
                        s2.addRelation(new RightAnd(s1, leftExpression));
                        s1.addRelation(new RightAnd(s2, leftExpression));
                    }
                    else
                    {
                        throw new UnexpectedTokenException(currentToken.value);
                    }
                }
                else if (currentToken.tokenType == TokenType.Or)
                {
                    currentToken = lexer.nextToken();
                    if (currentToken.tokenType == TokenType.Symbol)
                    {
                        var s2 = core.getSymbole(currentToken.value) ?? new Symbole(currentToken.value);
                        currentToken = lexer.nextToken();
                        s1.addRelation(new RightOr(s2, leftExpression));
                        s2.addRelation(new RightOr(s1, leftExpression));
                    }
                    else
                    {
                        throw new UnexpectedTokenException(currentToken.value);
                    }
                }
                else if (currentToken.tokenType == TokenType.Xor)
                {
                    currentToken = lexer.nextToken();
                    if (currentToken.tokenType == TokenType.Symbol)
                    {
                        var s2 = core.getSymbole(currentToken.value) ?? new Symbole(currentToken.value);
                        currentToken = lexer.nextToken();
                        s1.addRelation(new RightXor(s2, leftExpression));
                        s2.addRelation(new RightXor(s1, leftExpression));
                    }
                    else
                    {
                        throw new UnexpectedTokenException(currentToken.value);
                    }
                }
                else
                {
                    throw new UnexpectedTokenException(currentToken.value);
                }
            }
            else
            {
                throw new UnexpectedTokenException(currentToken.value);
            }
        }