internal ConditionalExpression CreateSignCondition(CodeElementsParser.SignConditionContext context)
{
SyntaxProperty<bool> invertResult = null;
if (context.NOT() != null)
{
invertResult = new SyntaxProperty<bool>(
true,
ParseTreeUtils.GetFirstToken(context.NOT()));
}
SyntaxProperty<SignComparison> signComparison = null;
if(context.POSITIVE() != null)
{
signComparison = new SyntaxProperty<SignComparison>(
SignComparison.Positive,
ParseTreeUtils.GetFirstToken(context.POSITIVE()));
}
else if (context.NEGATIVE() != null)
{
signComparison = new SyntaxProperty<SignComparison>(
SignComparison.Negative,
ParseTreeUtils.GetFirstToken(context.NEGATIVE()));
}
else if (context.ZERO() != null)
{
signComparison = new SyntaxProperty<SignComparison>(
SignComparison.Zero,
ParseTreeUtils.GetFirstToken(context.ZERO()));
}
return new SignCondition(
CreateConditionOperand(context.conditionOperand()),
signComparison,
invertResult);
}
internal SyntaxProperty<RelationalOperator> CreateRelationalOperator(CodeElementsParser.RelationalOperatorContext context)
{
if(context.strictRelation() != null)
{
bool invertStrictRelation = false;
if (context.NOT() != null)
{
invertStrictRelation = true;
}
CodeElementsParser.StrictRelationContext strictContext = context.strictRelation();
if(strictContext.GREATER() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.GreaterThan : RelationalOperator.LessThanOrEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.GREATER()));
}
else if (strictContext.GreaterThanOperator() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.GreaterThan : RelationalOperator.LessThanOrEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.GreaterThanOperator()));
}
else if (strictContext.LESS() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.LessThan : RelationalOperator.GreaterThanOrEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.LESS()));
}
else if (strictContext.LessThanOperator() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.LessThan : RelationalOperator.GreaterThanOrEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.LessThanOperator()));
}
else if (strictContext.EQUAL() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.EqualTo : RelationalOperator.NotEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.EQUAL()));
}
else // if (strictContext.EqualOperator() != null)
{
return new SyntaxProperty<RelationalOperator>(
!invertStrictRelation ? RelationalOperator.EqualTo : RelationalOperator.NotEqualTo,
ParseTreeUtils.GetFirstToken(strictContext.EqualOperator()));
}
}
else
{
CodeElementsParser.SimpleRelationContext simpleContext = context.simpleRelation();
if (simpleContext.GREATER() != null)
{
return new SyntaxProperty<RelationalOperator>(
RelationalOperator.GreaterThanOrEqualTo,
ParseTreeUtils.GetFirstToken(simpleContext.GREATER()));
}
else if (simpleContext.GreaterThanOrEqualOperator() != null)
{
return new SyntaxProperty<RelationalOperator>(
RelationalOperator.GreaterThanOrEqualTo,
ParseTreeUtils.GetFirstToken(simpleContext.GreaterThanOrEqualOperator()));
}
if (simpleContext.LESS() != null)
{
return new SyntaxProperty<RelationalOperator>(
RelationalOperator.LessThanOrEqualTo,
ParseTreeUtils.GetFirstToken(simpleContext.LESS()));
}
else // if (simpleContext.LessThanOrEqualOperator() != null)
{
return new SyntaxProperty<RelationalOperator>(
RelationalOperator.LessThanOrEqualTo,
ParseTreeUtils.GetFirstToken(simpleContext.LessThanOrEqualOperator()));
}
}
}
internal ConditionalExpression CreateClassCondition(CodeElementsParser.ClassConditionContext context)
{
SyntaxProperty<bool> invertResult = null;
if (context.NOT() != null)
{
invertResult = new SyntaxProperty<bool>(
true,
ParseTreeUtils.GetFirstToken(context.NOT()));
}
ClassCondition classCondition = null;
if(context.characterClassNameReference() != null)
{
classCondition = new ClassCondition(
CreateIdentifier(context.identifier()),
CobolWordsBuilder.CreateCharacterClassNameReference(context.characterClassNameReference()),
invertResult);
}
else
{
DataItemContentType contentTypeEnum = DataItemContentType.Numeric;
if(context.dataItemContentType().ALPHABETIC() != null)
{
contentTypeEnum = DataItemContentType.Alphabetic;
}
else if (context.dataItemContentType().ALPHABETIC_LOWER() != null)
{
contentTypeEnum = DataItemContentType.AlphabeticLower;
}
else if (context.dataItemContentType().ALPHABETIC_UPPER() != null)
{
contentTypeEnum = DataItemContentType.AlphabeticUpper;
}
else if (context.dataItemContentType().DBCS() != null)
{
contentTypeEnum = DataItemContentType.DBCS;
}
else if (context.dataItemContentType().KANJI() != null)
{
contentTypeEnum = DataItemContentType.Kanji;
}
SyntaxProperty<DataItemContentType> dataItemContentType = new SyntaxProperty<DataItemContentType>(
contentTypeEnum,
ParseTreeUtils.GetFirstToken(context.dataItemContentType()));
classCondition = new ClassCondition(
CreateIdentifier(context.identifier()),
dataItemContentType,
invertResult);
}
return classCondition;
}
// --- 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);
}
}
}
}
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);
}
}
}
}