// --- Arithmetic Expressions ---
internal ArithmeticExpression CreateArithmeticExpression(CodeElementsParser.ArithmeticExpressionContext context)
{
if(context.numericVariable3() != null)
{
return new NumericVariableOperand(
CreateNumericVariable(context.numericVariable3()));
}
SyntaxProperty<ArithmeticOperator> arithmeticOperator = null;
if (context.PlusOperator() != null)
{
if (context.arithmeticExpression() != null && context.arithmeticExpression().Length == 1)
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.UnaryPlus,
ParseTreeUtils.GetFirstToken(context.PlusOperator()));
}
else
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.Plus,
ParseTreeUtils.GetFirstToken(context.PlusOperator()));
}
}
else if (context.MinusOperator() != null)
{
if (context.arithmeticExpression() != null && context.arithmeticExpression().Length == 1)
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.UnaryMinus,
ParseTreeUtils.GetFirstToken(context.MinusOperator()));
}
else
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.Minus,
ParseTreeUtils.GetFirstToken(context.MinusOperator()));
}
}
else if (context.PowerOperator() != null)
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.Power,
ParseTreeUtils.GetFirstToken(context.PowerOperator()));
}
else if (context.MultiplyOperator() != null)
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.Multiply,
ParseTreeUtils.GetFirstToken(context.MultiplyOperator()));
}
else if (context.DivideOperator() != null)
{
arithmeticOperator = new SyntaxProperty<ArithmeticOperator>(
ArithmeticOperator.Divide,
ParseTreeUtils.GetFirstToken(context.DivideOperator()));
}
if (arithmeticOperator == null)
{
return CreateArithmeticExpression(context.arithmeticExpression()[0]);
}
else
{
if (context.arithmeticExpression().Length == 1)
{
ArithmeticExpression rightOperand = CreateArithmeticExpression(context.arithmeticExpression()[0]);
return new ArithmeticOperation(null, arithmeticOperator, rightOperand);
}
else
{
ArithmeticExpression leftOperand = CreateArithmeticExpression(context.arithmeticExpression()[0]);
ArithmeticExpression rightOperand = CreateArithmeticExpression(context.arithmeticExpression()[1]);
return new ArithmeticOperation(leftOperand, arithmeticOperator, rightOperand);
}
}
}
internal VariableOrExpression CreateVariableOrExpression(CodeElementsParser.VariableOrExpression2Context context)
{
if (context.identifier() != null)
{
return new VariableOrExpression(
CreateIdentifier(context.identifier()));
}
else if (context.numericValue() != null)
{
return new VariableOrExpression(
CobolWordsBuilder.CreateNumericValue(context.numericValue()));
}
else if (context.alphanumericValue2() != null)
{
return new VariableOrExpression(
CobolWordsBuilder.CreateAlphanumericValue(context.alphanumericValue2()));
}
else if (context.repeatedCharacterValue1() != null)
{
return new VariableOrExpression(
CobolWordsBuilder.CreateRepeatedCharacterValue(context.repeatedCharacterValue1()));
}
else
{
return new VariableOrExpression(
CreateArithmeticExpression(context.arithmeticExpression()));
}
}
private ConditionOperand CreateConditionOperand(CodeElementsParser.ConditionOperandContext context)
{
ConditionOperand conditionOperand = null;
if (context.arithmeticExpression() != null)
{
conditionOperand = new ConditionOperand(
CreateArithmeticExpression(context.arithmeticExpression()));
}
else if (context.variableOrIndex() != null)
{
conditionOperand = new ConditionOperand(
CreateVariableOrIndex(context.variableOrIndex()));
}
else if (context.nullPointerValue() != null)
{
conditionOperand = new ConditionOperand(
CobolWordsBuilder.CreateNullPointerValue(context.nullPointerValue()));
}
else if (context.selfObjectIdentifier() != null)
{
conditionOperand = new ConditionOperand(
ParseTreeUtils.GetFirstToken(context.selfObjectIdentifier()));
}
return conditionOperand;
}
internal VariableOrExpression CreateVariableOrExpression(CodeElementsParser.VariableOrExpression2Context context)
{
VariableOrExpression variableOrExpression = null;
if (context.identifier() != null)
{
variableOrExpression = new VariableOrExpression(
CreateIdentifier(context.identifier()));
}
else if (context.numericValue() != null)
{
variableOrExpression = new VariableOrExpression(
CobolWordsBuilder.CreateNumericValue(context.numericValue()));
}
else if (context.alphanumericValue2() != null)
{
variableOrExpression = new VariableOrExpression(
CobolWordsBuilder.CreateAlphanumericValue(context.alphanumericValue2()));
}
else if (context.repeatedCharacterValue1() != null)
{
variableOrExpression = new VariableOrExpression(
CobolWordsBuilder.CreateRepeatedCharacterValue(context.repeatedCharacterValue1()));
}
else
{
variableOrExpression = new VariableOrExpression(
CreateArithmeticExpression(context.arithmeticExpression()));
}
// Collect storage area read/writes at the code element level
if (variableOrExpression.StorageArea != null)
{
this.storageAreaReads.Add(variableOrExpression.StorageArea);
}
return variableOrExpression;
}
