public override IAstNode VisitAssignRecStmt(MicroCParser.AssignRecStmtContext context) { var label = ++_label; string name = context.IDENT().GetText(); IList <IAExpr> expressions = context.a_expr().Select(x => Visit(x) as IAExpr).ToList(); var symbol = _symbolTable.LookupSymbol(name); if (symbol.Size != expressions.Count) { throw new ArgumentException( $"Cannot assign {expressions.Count} values to record of size {symbol.Size}"); } var children = _recordDecls.First(r => r.Id == symbol.Id).Fields.ToList(); var ident = new Identifier(name, symbol.Type, symbol.Id); ident.Children = children; // TODO: Type check the symbol var recAssignStmt = new RecAssignStmt(ident, expressions); recAssignStmt.Label = label; return(recAssignStmt); }
/// <summary> /// Exit a parse tree produced by the <c>assignRecStmt</c> /// labeled alternative in <see cref="MicroCParser.statement"/>. /// <para>The default implementation does nothing.</para> /// </summary> /// <param name="context">The parse tree.</param> public virtual void ExitAssignRecStmt([NotNull] MicroCParser.AssignRecStmtContext context) { }
/// <summary> /// Visit a parse tree produced by the <c>assignRecStmt</c> /// labeled alternative in <see cref="MicroCParser.statement"/>. /// <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 VisitAssignRecStmt([NotNull] MicroCParser.AssignRecStmtContext context) { return(VisitChildren(context)); }