コード例 #1
0
 internal ConditionalExpression CreateRelationCondition(CodeElementsParser.RelationConditionContext context)
 {
     ConditionOperand subjectOperand = CreateConditionOperand(context.conditionOperand());
     SyntaxProperty<RelationalOperator> relationalOperator = CreateRelationalOperator(context.relationalOperator());
     return CreateAbbreviatedExpression(subjectOperand, relationalOperator, context.abbreviatedExpression());
 }
コード例 #2
0
        private ConditionalExpression CreateAbbreviatedExpression(ConditionOperand subjectOperand, SyntaxProperty<RelationalOperator> distributedRelationalOperator, CodeElementsParser.AbbreviatedExpressionContext context)
        {
            if (context.conditionOperand() != null)
            {
                ConditionOperand objectOperand = CreateConditionOperand(context.conditionOperand());
                SyntaxProperty<RelationalOperator> relationalOperator = distributedRelationalOperator;
                if (context.relationalOperator() != null)
                {
                    relationalOperator = CreateRelationalOperator(context.relationalOperator());
                }
                return new RelationCondition(subjectOperand, relationalOperator, objectOperand);
            }
            else
            {
                SyntaxProperty<LogicalOperator> logicalOperator = null;
                if (context.NOT() != null)
                {
                    logicalOperator = new SyntaxProperty<LogicalOperator>(
                       LogicalOperator.NOT,
                       ParseTreeUtils.GetFirstToken(context.NOT()));
                }
                else if (context.AND() != null)
                {
                    logicalOperator = new SyntaxProperty<LogicalOperator>(
                       LogicalOperator.AND,
                       ParseTreeUtils.GetFirstToken(context.AND()));
                }
                else if (context.OR() != null)
                {
                    logicalOperator = new SyntaxProperty<LogicalOperator>(
                       LogicalOperator.OR,
                       ParseTreeUtils.GetFirstToken(context.OR()));
                }

                if (logicalOperator == null)
                {
                    return CreateAbbreviatedExpression(subjectOperand, distributedRelationalOperator, context.abbreviatedExpression()[0]);
                }
                else
                {
                    if (context.abbreviatedExpression().Length == 1)
                    {
                        ConditionalExpression rightOperand = CreateAbbreviatedExpression(subjectOperand, distributedRelationalOperator, context.abbreviatedExpression()[0]);
                        return new LogicalOperation(null, logicalOperator, rightOperand);
                    }
                    else
                    {
                        ConditionalExpression leftOperand = CreateAbbreviatedExpression(subjectOperand, distributedRelationalOperator, context.abbreviatedExpression()[0]);
                        ConditionalExpression rightOperand = CreateAbbreviatedExpression(subjectOperand, distributedRelationalOperator, context.abbreviatedExpression()[1]);
                        return new LogicalOperation(leftOperand, logicalOperator, rightOperand);
                    }
                }
            }
        }