/// <summary>
/// Initializes a new instance of the <see cref="CSharpAsLongAsInstruction"/> class.
/// </summary>
/// <param name="context">The creation context.</param>
/// <param name="parentFeature">The parent feature.</param>
/// <param name="source">The Easly instruction from which the C# instruction is created.</param>
protected CSharpAsLongAsInstruction(ICSharpContext context, ICSharpFeature parentFeature, IAsLongAsInstruction source)
: base(context, parentFeature, source)
{
ContinueCondition = CSharpExpression.Create(context, (IExpression)source.ContinueCondition);
foreach (IContinuation Continuation in source.ContinuationList)
{
ICSharpContinuation NewContinuation = CSharpContinuation.Create(context, parentFeature, Continuation);
ContinuationList.Add(NewContinuation);
}
if (source.ElseInstructions.IsAssigned)
{
ElseInstructions = CSharpScope.Create(context, parentFeature, (IScope)source.ElseInstructions.Item);
}
}
/// <summary>
/// Writes down the C# instruction.
/// </summary>
/// <param name="writer">The stream on which to write.</param>
public override void WriteCSharp(ICSharpWriter writer)
{
Debug.Assert(WriteDown);
string ContinueExpressionText;
for (int i = 0; i < ContinuationList.Count; i++)
{
ICSharpContinuation Item = ContinuationList[i];
if (i > 0)
{
writer.WriteEmptyLine();
}
WriteCSharpContinueCondition(writer, out ContinueExpressionText);
writer.WriteIndentedLine($"if ({ContinueExpressionText})");
Item.WriteCSharpInstructions(writer);
int CleanupInstructionCount = 0;
for (int j = i; j > 0; j--)
{
ICSharpContinuation PreviousItem = ContinuationList[j - 1];
CleanupInstructionCount += PreviousItem.CleanupList.Count;
}
if (CleanupInstructionCount > 0)
{
writer.WriteIndentedLine("else");
if (CleanupInstructionCount > 1)
{
writer.WriteIndentedLine("{");
}
writer.IncreaseIndent();
for (int j = i; j > 0; j--)
{
if (j < i)
{
writer.WriteEmptyLine();
}
ICSharpContinuation PreviousItem = ContinuationList[j - 1];
PreviousItem.WriteCSharpCleanupInstructions(writer);
}
writer.DecreaseIndent();
if (CleanupInstructionCount > 1)
{
writer.WriteIndentedLine("}");
}
}
}
if (ElseInstructions != null)
{
writer.WriteEmptyLine();
WriteCSharpContinueCondition(writer, out ContinueExpressionText);
writer.WriteIndentedLine($"if (!({ContinueExpressionText}))");
ElseInstructions.WriteCSharp(writer, CSharpCurlyBracketsInsertions.Mandatory, false);
}
}
