private IrisType ProcessArrayAccess(FilePosition fp, Symbol symbol, SymbolLoadMode mode)
{
IrisType symbolType = symbol.Type;
IrisType resultType = IrisType.Invalid;
if (symbolType != IrisType.Invalid)
{
if (!symbolType.IsArray)
{
AddError(fp, string.Format("Symbol '{0}' is not an array, but is being used as an array.", _lexeme));
}
else
{
EmitLoadSymbol(symbol, SymbolLoadMode.Dereference);
resultType = symbol.Type.GetElementType();
}
}
FilePosition indexerPosition = _lexer.TokenStartPosition;
IrisType indexerType = ParseExpression();
if (indexerType != IrisType.Integer)
{
AddError(indexerPosition, "Expecting integer value as array index.");
}
Expect(Token.ChrCloseBracket);
if (resultType != IrisType.Invalid)
{
if (mode == SymbolLoadMode.ElementAddress)
{
MethodGenerator.LoadElementAddress(resultType);
resultType = resultType.MakeByRefType();
}
else if (mode == SymbolLoadMode.Element)
{
MethodGenerator.LoadElement(resultType);
}
}
return(resultType);
}