public override IAstNode VisitAssignStmt(MicroCParser.AssignStmtContext context)
{
var label = ++_label;
var name = context.IDENT().GetText();
var symbol = _symbolTable.LookupSymbol(name);
var ident = new Identifier(name, symbol.Type, symbol.Id);
// TODO: Type check the symbol
VarAccess left = new VarAccess(ident);
IAExpr right = Visit(context.a_expr()) as IAExpr;
var assignStmt = new AssignStmt(left, right);
assignStmt.Label = label;
return(assignStmt);
}