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));
}
