public override void EnterConstDef([NotNull] DaedalusParser.ConstDefContext context)
{
_assemblyBuilder.IsInsideConstDef = true;
var typeName = context.typeReference().GetText();
var type = DatSymbolTypeFromString(typeName);
if (type == DatSymbolType.Func)
{
type = DatSymbolType.Int;
}
for (int i = 0; i < context.ChildCount; i++)
{
var constContext = context.GetChild(i);
if (constContext is TerminalNodeImpl)
{
continue; // skips ','
}
if (constContext is DaedalusParser.ConstValueDefContext constValueContext)
{
var name = constValueContext.nameNode().GetText();
if (_assemblyBuilder.IsContextInsideExecBlock())
{
BaseExecBlockContext baseExecBlock = _assemblyBuilder.ExecBlocks.Last();
string execBlockName = baseExecBlock.GetSymbol().Name;
name = $"{execBlockName}.{name}";
}
var location = GetLocation(context);
var assignmentExpression = constValueContext.constValueAssignment().expressionBlock().expression();
var value = EvaluatorHelper.EvaluateConst(assignmentExpression, _assemblyBuilder, type);
var symbol = SymbolBuilder.BuildConst(name, type, value, location); // TODO : Validate params
_assemblyBuilder.AddSymbol(symbol);
continue;
}
if (constContext is DaedalusParser.ConstArrayDefContext constArrayContext)
{
_assemblyBuilder.ErrorContext.Context = constArrayContext;
var name = constArrayContext.nameNode().GetText();
var location = GetLocation(context);
int declaredSize = 0;
bool compareDeclaredSizeAndElementsCount = true;
try
{
_assemblyBuilder.ErrorContext.Context = constArrayContext.arraySize();
declaredSize = EvaluatorHelper.EvaluteArraySize(constArrayContext.arraySize(), _assemblyBuilder);
}
catch (System.ArgumentNullException)
{
compareDeclaredSizeAndElementsCount = false;
}
if (declaredSize == 0 && compareDeclaredSizeAndElementsCount)
{
compareDeclaredSizeAndElementsCount = false;
_assemblyBuilder.Errors.Add(
new InvalidArraySizeError(
_assemblyBuilder.ErrorContext,
name,
declaredSize
)
);
}
var elements = constArrayContext.constArrayAssignment().expressionBlock()
.Select(expr => EvaluatorHelper.EvaluateConst(expr.expression(), _assemblyBuilder, type))
.ToArray();
if (compareDeclaredSizeAndElementsCount && declaredSize != elements.Length)
{
_assemblyBuilder.Errors.Add(
new InconsistentArraySizeError(
_assemblyBuilder.ErrorContext,
name,
declaredSize,
elements.Length
)
);
}
var symbol =
SymbolBuilder.BuildArrOfConst(name, type, elements, location); // TODO : Validate params
_assemblyBuilder.AddSymbol(symbol);
}
}
}
