public override void VisitIf(IfStatement ifStmt)
{
ifStmt.Test.Accept(this);
if (ifStmt.Test.NodeType != typeManager.BoolType) {
report.Error(ifStmt.Test.Location,
"BOOL expression expected");
}
ifStmt.ThenPart.Accept(this);
if (ifStmt.ElsePart != null)
ifStmt.ElsePart.Accept(this);
}
public override void VisitIf(IfStatement ifStmt)
{
Label endLabel = ilGenerator.DefineLabel();
ifStmt.Test.Accept(this);
if (ifStmt.ElsePart == null) {
ilGenerator.Emit(OpCodes.Brfalse, endLabel);
ifStmt.ThenPart.Accept(this);
}
else {
Label elseLabel = ilGenerator.DefineLabel();
ilGenerator.Emit(OpCodes.Brfalse, elseLabel);
ifStmt.ThenPart.Accept(this);
ilGenerator.Emit(OpCodes.Br, endLabel);
ilGenerator.MarkLabel(elseLabel);
ifStmt.ElsePart.Accept(this);
}
ilGenerator.MarkLabel(endLabel);
}
public IfExpression(Expression test,
Node thenPart,
Node elsePart,
Location location)
: base(location)
{
ifStatement = new IfStatement(test, thenPart, elsePart, location);
}
public virtual void VisitIf(IfStatement ifStmt)
{
}
