public static void GenerateCode(ElseIfHeader header, GeneratorContext builder)
{
string currentEndLabel = builder.DeclareLabel("endElif");
builder.AddCode(header.Condition);
builder.AddOp(new JumpLabelConditionalNegated(currentEndLabel), header.IfToken);
foreach (Expression statement in header.ParentBlockHint.Statements)
{
builder.AddCode(statement);
}
string finalEndLabel = header.EndLabelHint;
if (finalEndLabel == null)
{
throw new Exception("Encountered ElseIf Header without an end label!");
}
if (header.NextConditionalComponentHint == null)
{
builder.SetLabelToNext(finalEndLabel);
if (header.RequiresScopeHint)
{
builder.AddOp(new ScopeEnd(), header.ParentBlockHint.EndToken);
}
}
else
{
builder.AddOp(new JumpLabel(finalEndLabel));
}
builder.SetLabelToNext(currentEndLabel);
}
public static ElseIfHeader ElseIf(MatchIterator iterator)
{
iterator.AssertKeyword(Keywords.Else, out Token elseToken);
iterator.AssertKeyword(Keywords.If, out Token ifToken);
iterator.AssertExpression(out Expression condition);
iterator.AssertEnd();
ElseIfHeader result = new ElseIfHeader(elseToken, ifToken, condition);
return(result);
}
