/// <summary>
/// Visit a parse tree produced by <see cref="Generated.Z80AsmParser.symbolExpr"/>.
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public override object VisitSymbolExpr(Z80AsmParser.SymbolExprContext context)
{
if (IsInvalidContext(context))
{
return(null);
}
_identifiers.Add(new TextSpan(context.Start.StartIndex, context.Start.StopIndex + 1));
return(new IdentifierNode
{
SymbolName = context.GetChild(0).NormalizeToken()
});
}
/// <summary>
/// Visit a parse tree produced by <see cref="Generated.Z80AsmParser.symbolExpr"/>.
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public override object VisitSymbolExpr(Z80AsmParser.SymbolExprContext context)
{
if (context == null || context.ChildCount == 0 || context.IDENTIFIER().Length == 0)
{
return(null);
}
AddIdentifier(context);
return(new IdentifierNode
{
StartFromGlobal = context.GetChild(0).GetText() == "::",
SymbolName = context.IDENTIFIER()[0].NormalizeToken(),
ScopeSymbolNames = context.IDENTIFIER().Skip(1).Select(i => i.NormalizeToken()).ToList()
});
}
/// <summary>
/// Visit a parse tree produced by <see cref="Z80AsmParser.symbolExpr"/>.
/// <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 virtual Result VisitSymbolExpr([NotNull] Z80AsmParser.SymbolExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="Z80AsmParser.symbolExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitSymbolExpr([NotNull] Z80AsmParser.SymbolExprContext context)
{
}
/// <summary>
/// Gets a symbol from the specified context
/// </summary>
/// <param name="context">Context to get the symbol from</param>
/// <returns>Node that represents the symbol</returns>
public IdentifierNode GetSymbol(Z80AsmParser.SymbolExprContext context)
{
return((IdentifierNode)VisitSymbolExpr(context));
}
