public override object VisitVariable_ArrayAccess([NotNull] CMinusParser.Variable_ArrayAccessContext context)
{
this.Visit(context.variable());
this.writer.WriteMemoryAccess();
this.Visit(context.logicalOrExpression());
this.writer.WriteBinaryArithmeticExpression("+");
return(null);
}
public override object VisitVariable_ArrayAccess([NotNull] CMinusParser.Variable_ArrayAccessContext context)
{
string arrayType = (string)this.Visit(context.variable());
string arrayName = SymbolTable.Symbol.RemoveExtras(context.variable().GetText());
if (!this.symbolTable.HasSymbol(arrayName))
{
this.EmitSemanticErrorMessage($"Variable {arrayName} called but not declared", context);
return(SymbolTable.Symbol.Construct.ERROR);
}
SymbolTable.Symbol foundSymbol = this.symbolTable.GetSymbol(arrayName);
if (foundSymbol.construct != SymbolTable.Symbol.Construct.ARRAY)
{
this.EmitSemanticErrorMessage($"{arrayName} used as an array but declared as a {foundSymbol.construct}", context);
return(SymbolTable.Symbol.Construct.ERROR);
}
return(foundSymbol.type);
}
