/// <summary>
/// Checks if the operand is used as a macro parameter node
/// </summary>
/// <param name="context"></param>
private void CheckForMacroParamNode(Z80AsmParser.BuiltinFunctionInvocationContext context)
{
if (context.operand() == null)
{
return;
}
var op = (Operand)VisitOperand(context.operand());
if (!MacroParsingPhase && (op.Type != OperandType.Expr || !(op.Expression is MacroParamNode)))
{
// --- Built in function can use only macro parameters during the collection phase
IssueToEmit = Errors.Z0421;
}
}
/// <summary>
/// Visit a parse tree produced by <see cref="Z80AsmParser.builtinFunctionInvocation"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public override object VisitBuiltinFunctionInvocation(Z80AsmParser.BuiltinFunctionInvocationContext context)
{
AddFunction(context);
string token = null;
if (context.TEXTOF() != null || context.LTEXTOF() != null)
{
if (context.macroParam() != null)
{
AddFunction(context);
AddMacroParam(context.macroParam());
if (context.macroParam().IDENTIFIER() != null)
{
AddMacroParamName(context.macroParam().IDENTIFIER().NormalizeToken());
}
}
if (context.mnemonic() != null)
{
AddMnemonics(context.mnemonic());
token = context.mnemonic().NormalizeToken();
}
else if (context.regsAndConds() != null)
{
AddOperand(context.regsAndConds());
token = context.regsAndConds().NormalizeToken();
}
if (context.LTEXTOF() != null)
{
token = token?.ToLower();
}
return(new LiteralNode(token));
}
if (context.DEF() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand() != null && context.operand().NONEARG() == null));
}
if (context.ISREG8() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(
(context.operand()?.reg8() != null ||
context.operand()?.reg8Spec() != null ||
context.operand()?.reg8Idx() != null) &&
context.operand().NONEARG() == null));
}
if (context.ISREG8STD() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.reg8() != null &&
context.operand().NONEARG() == null));
}
if (context.ISREG8SPEC() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.reg8Spec() != null &&
context.operand().NONEARG() == null));
}
if (context.ISREG8IDX() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.reg8Idx() != null &&
context.operand().NONEARG() == null));
}
if (context.ISREG16() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(
(context.operand()?.reg16() != null ||
context.operand()?.reg16Idx() != null ||
context.operand()?.reg16Spec() != null) &&
context.operand().NONEARG() == null));
}
if (context.ISREG16IDX() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.reg16Idx() != null &&
context.operand().NONEARG() == null));
}
if (context.ISREG16STD() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.reg16() != null &&
context.operand().NONEARG() == null));
}
if (context.ISREGINDIRECT() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.regIndirect() != null &&
context.operand().NONEARG() == null));
}
if (context.ISCPORT() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.cPort() != null &&
context.operand().NONEARG() == null));
}
if (context.ISINDEXEDADDR() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.indexedAddr() != null &&
context.operand().NONEARG() == null));
}
if (context.ISCONDITION() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(
(context.operand()?.condition() != null || context.operand().reg8()?.GetText()?.ToLower() == "c") &&
context.operand().NONEARG() == null));
}
if (context.ISEXPR() != null)
{
CheckForMacroParamNode(context);
return(new LiteralNode(context.operand()?.expr() != null &&
context.operand().NONEARG() == null));
}
return(null);
}