public override void EnterClassDef([NotNull] DaedalusParser.ClassDefContext context)
{
var className = context.nameNode().GetText();
var classSymbol = SymbolBuilder.BuildClass(className, 0, 0, GetLocation(context));
_assemblyBuilder.AddSymbol(classSymbol);
var classId = classSymbol.Index;
int classVarOffset = classSymbol.ClassOffset;
uint classLength = 0;
// TODO: refactor later
foreach (var varDeclContext in context.varDecl())
{
var typeName = varDeclContext.typeReference().GetText();
var type = DatSymbolTypeFromString(typeName);
for (int i = 0; i < varDeclContext.ChildCount; i++)
{
var varContext = varDeclContext.GetChild(i);
if (varContext is TerminalNodeImpl)
{
continue; // skips ','
}
if (varContext is DaedalusParser.VarValueDeclContext varValueContext)
{
var name = varValueContext.nameNode().GetText();
var location = GetLocation(context);
var symbol = SymbolBuilder.BuildClassVar(name, type, 1, className, classId,
classVarOffset, location); // TODO : Validate params
_assemblyBuilder.AddSymbol(symbol);
classVarOffset += (type == DatSymbolType.String ? 20 : 4);
classLength++;
}
if (varContext is DaedalusParser.VarArrayDeclContext varArrayContext)
{
var name = varArrayContext.nameNode().GetText();
var location = GetLocation(context);
var size = EvaluatorHelper.EvaluteArraySize(varArrayContext.arraySize(), _assemblyBuilder);
var symbol = SymbolBuilder.BuildClassVar(name, type, (uint)size, className, classId,
classVarOffset, location); // TODO : Validate params
_assemblyBuilder.AddSymbol(symbol);
classVarOffset += (type == DatSymbolType.String ? 20 : 4) * size;
classLength++;
}
}
}
classSymbol.ArrayLength = classLength;
classSymbol.ClassSize = classVarOffset - classSymbol.ClassOffset;
}
public override ASTNode VisitClassDef([NotNull] DaedalusParser.ClassDefContext context)
{
NameNode nameNode = new NameNode(GetLocation(context.nameNode()), context.nameNode().GetText());
List <DeclarationNode> varDeclarationNodes = new List <DeclarationNode>();
foreach (DaedalusParser.VarDeclContext varDeclContext in context.varDecl())
{
ASTNode node = VisitVarDecl(varDeclContext);
if (node is TemporaryNode temporaryNode)
{
varDeclarationNodes.AddRange(temporaryNode.Nodes);
}
else
{
varDeclarationNodes.Add((VarDeclarationNode)node);
}
}
return(new ClassDefinitionNode(GetLocation(context), nameNode, varDeclarationNodes));
}
/// <summary>
/// Visit a parse tree produced by <see cref="DaedalusParser.classDef"/>.
/// <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 VisitClassDef([NotNull] DaedalusParser.ClassDefContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="DaedalusParser.classDef"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitClassDef([NotNull] DaedalusParser.ClassDefContext context)
{
}