public List<AphidExpression> ExpandIfExpression(IfExpression expression)
{
var g = Guid.NewGuid();
IdentifierExpression ifLabel = new IdentifierExpression("If_" + g),
elseLabel = new IdentifierExpression("Else_" + g),
endIfLabel = new IdentifierExpression("EndIf_" + g);
var ast = new List<AphidExpression>
{
ifLabel,
MutateCondition(expression.Condition),
new CallExpression(gotoFalseId, elseLabel)
};
ast.AddRange(expression.Body);
ast.Add(new CallExpression(gotoId, endIfLabel));
ast.Add(elseLabel);
if (expression.ElseBody != null)
{
ast.AddRange(expression.ElseBody);
}
ast.Add(endIfLabel);
return ast;
}
public static IfExpression Create(
AphidExpressionContext context_aphidExpressionContext,
AphidExpression condition_aphidExpression,
List <AphidExpression> body_list,
List <AphidExpression> elseBody_list1,
int value_i,
int value_i1
)
{
IfExpression ifExpression =
new IfExpression(context_aphidExpressionContext, condition_aphidExpression,
body_list, elseBody_list1);
((AphidExpression)ifExpression).Index = value_i;
((AphidExpression)ifExpression).Length = value_i1;
return(ifExpression);
// TODO: Edit factory method of IfExpression
// This method should be able to configure the object in all possible ways.
// Add as many parameters as needed,
// and assign their values to each field by using the API.
}
private AphidObject InterpretIfExpression(IfExpression expression)
{
if ((bool)ValueHelper.Unwrap(InterpretExpression(expression.Condition)))
{
InterpretChild(expression.Body);
}
else if (expression.ElseBody != null)
{
InterpretChild(expression.ElseBody);
}
return null;
}
private CodeStatementCollection GenerateImperativeStatement(IfExpression node)
{
var condition = GenerateImperativeExpression(node.Condition, isCondition: true);
var trueStmts = GenerateImperativeStatements(node.Body).OfType<CodeStatement>().ToArray();
var falseStmts = node.ElseBody != null ?
GenerateImperativeStatements(node.ElseBody).OfType<CodeStatement>().ToArray() :
new CodeStatement[0];
var stmt = new CodeConditionStatement(condition, trueStmts, falseStmts);
return new CodeStatementCollection(new[] { stmt });
}