public void AddsSymbol()
{
var instr = new Label("test", SymbolType.Public);
Assert.AreEqual("test", instr.DefinedSymbol.Identifier);
Assert.AreEqual(LabelType.Public, instr.DefinedSymbol.SymbolType);
Context.Address = 5;
Assert.IsEmpty(instr.Construct(Context).ToList());
Assert.AreEqual(SymbolType.Public, Context.SymbolTable["test"].SymbolType);
Assert.AreEqual((Int128)5, Context.SymbolTable["test"].Value);
}
/// <inheritdoc />
public override void VisitLabel(Label label)
{
int commentstart = 0;
string commentstring = null;
if (label.Comment != null)
commentstring = label.Comment.Text;
int linelength = 0;
indentationlevel--;
if (indentationlevel < 0) indentationlevel = 0;
string identifier;
SymbolType type;
if (label.DefinedSymbol != null)
{
identifier = label.DefinedSymbol.Identifier;
if (identifier == null)
throw new NotSupportedException("Symbols without identifiers are not supported.");
type = label.DefinedSymbol.SymbolType;
if (label.DefinedSymbol.SymbolType == SymbolType.Private)
{
// Single line, with comments.
Writer.Write("{0}:", identifier);
linelength = identifier.Length + 1;
WriteCommentOf(label, linelength);
}
else
{
// Two lines, with comments.
switch (label.DefinedSymbol.SymbolType)
{
case SymbolType.Public:
Writer.Write("global {0}", identifier);
linelength = 7 + identifier.Length;
break;
case SymbolType.Weak:
Writer.Write("weak {0}", identifier);
linelength = 5 + identifier.Length;
break;
case SymbolType.Private:
default:
break;
}
// Write the first part of the comment.
if (commentstring != null)
commentstart = WriteCommentString(commentstring, linelength, 0, 1);
else
Writer.WriteLine();
linelength = 0;
Writer.Write("{0}:", identifier);
linelength = identifier.Length + 1;
// Write the rest of the comment.
if (commentstring != null)
WriteCommentString(commentstring, linelength, commentstart, -1);
else
Writer.WriteLine();
}
}
else
{
linelength = WriteCommentString("label <unkown>", -1, 0, -1);
WriteCommentOf(label, linelength);
}
indentationlevel++;
}
