// --- Conditional Expressions ---
internal ConditionalExpression CreateConditionalExpression(CodeElementsParser.ConditionalExpressionContext context)
{
if(context.classCondition() != null)
{
return CreateClassCondition(context.classCondition());
}
else if(context.conditionNameConditionOrSwitchStatusCondition() != null)
{
return CreateConditionNameConditionOrSwitchStatusCondition(context.conditionNameConditionOrSwitchStatusCondition());
}
else if(context.relationCondition() != null)
{
return CreateRelationCondition(context.relationCondition());
}
else if(context.signCondition() != null)
{
return CreateSignCondition(context.signCondition());
}
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 CreateConditionalExpression(context.conditionalExpression()[0]);
}
else
{
if (context.conditionalExpression().Length == 1)
{
ConditionalExpression rightOperand = CreateConditionalExpression(context.conditionalExpression()[0]);
return new LogicalOperation(null, logicalOperator, rightOperand);
}
else
{
ConditionalExpression leftOperand = CreateConditionalExpression(context.conditionalExpression()[0]);
ConditionalExpression rightOperand = CreateConditionalExpression(context.conditionalExpression()[1]);
return new LogicalOperation(leftOperand, logicalOperator, rightOperand);
}
}
}
}
// --- Cobol variables : runtime value or literal ---
internal BooleanValueOrExpression CreateBooleanValueOrExpression(CodeElementsParser.BooleanValueOrExpressionContext context)
{
if(context.booleanValue() != null)
{
return new BooleanValueOrExpression(
CobolWordsBuilder.CreateBooleanValue(context.booleanValue()));
}
else
{
return new BooleanValueOrExpression(
CreateConditionalExpression(context.conditionalExpression()));
}
}