public override void Emit(CodeWriter writer)
{
Condition.Emit(writer);
var endLabel = new Label();
if (this.FalseBody == null)
{
// single body
writer.JumpWhenFalse(endLabel);
TrueBody.Emit(writer);
}
else
{
// double body
var falseLabel = new Label();
writer.JumpWhenFalse(falseLabel);
TrueBody.Emit(writer);
writer.Jump(endLabel);
writer.DefineLabel(falseLabel);
FalseBody.Emit(writer);
}
writer.DefineLabel(endLabel);
}
public override string WriteLua(int indentLevel)
{
StringBuilder str = new StringBuilder();
if (IsElseIf)
{
str.Append($"elseif {Condition} then\n");
}
else
{
str.Append($"if {Condition} then\n");
}
if (TrueBody != null)
{
str.Append(TrueBody.PrintBlock(indentLevel).AddIndent());
}
if (FalseBody != null)
{
str.Append("\n");
// Check for elseif
if (FalseBody.Instructions.Count() == 1 && FalseBody.Instructions.First() is IfStatement s && s.Follow == null)
{
s.IsElseIf = true;
str.Append(FalseBody.PrintBlock(indentLevel));
}
else
{
for (int i = 0; i < indentLevel; i++)
{
str.Append("\t");
}
str.Append("else\n");
str.Append(FalseBody.PrintBlock(indentLevel).AddIndent());
}
}
