public override ASTNode VisitDeclaration([NotNull] DeclarationContext ctx)
{
switch (ctx.children.First().GetText())
{
case "declare":
var declSpecs = new DeclSpecsNode(ctx.Start.Line, GetTypeName());
var name = new IdNode(ctx.Start.Line, ctx.NAME().GetText());
DeclNode decl;
if (ctx.type().typename().children.Count > 1)
{
switch (ctx.type().typename().children.Last().GetText())
{
case "array":
case "list":
case "set":
if (ctx.exp() is { })
{
ExprNode init = this.Visit(ctx.exp()).As <ExprNode>();
decl = new ArrDeclNode(ctx.Start.Line, name, init);
}
else
{
decl = new ArrDeclNode(ctx.Start.Line, name);
}
break;
default:
throw new SyntaxErrorException("Invalid complex type");
}
}
public static DeclaredSymbol From(DeclSpecsNode specs, DeclNode decl)
{
return(decl switch
{
VarDeclNode var => new DeclaredVariableSymbol(decl.Identifier, specs, var, var.Initializer),
ArrDeclNode arr => new DeclaredArraySymbol(decl.Identifier, specs, arr, arr.SizeExpression, arr.Initializer),
FuncDeclNode f => new DeclaredFunctionSymbol(decl.Identifier, specs, f),
_ => throw new NotImplementedException("Declarator node type not yet implemented"),
});
public virtual TResult Visit(ArrDeclNode node) => this.VisitChildren(node);
public DeclaredArraySymbol(string name, DeclSpecsNode specs, ArrDeclNode decl, ExprNode?size = null, ArrInitExprNode?init = null)
: base(name, specs, decl)
{
this.ArrayDeclarator = decl;
if (size is { })
