示例#1
0
        public override string ToCode()
        {
            StringBuilder buf = new StringBuilder();

            buf.Append(getStmtPrefix());
            buf.AppendFormat("{0}({1}:{2})", CatchToken.GetText(), ExceptionTypeToken.GetText(), ExceptionNameToken.GetText());
            buf.AppendLine();
            buf.Append(CatchBody.ToString());
            return(buf.ToString());
        }
示例#2
0
        public override void Analy(AnalyStmtContext context)
        {
            base.Analy(context);
            var symbols = this.AnalyStmtContext.Symbols;

            exTypeName = ExceptionTypeToken.GetText();
            exName     = ExceptionNameToken.GetText();
            exType     = context.MethodContext.ClassContext.SearchType(exTypeName).ForType;
            if (exType == null)
            {
                errorf(ExceptionTypeToken.Postion, "类型'{0}'不存在", exTypeName);
            }
            var exSymbol2 = symbols.Get(exName);

            if (exSymbol2 == null)
            {
                exSymbol = new SymbolVar(exName, exType);
                exSymbol.LoacalVarIndex = context.MethodContext.CreateLocalVarIndex(exName);
            }
            else
            {
                if (exSymbol2 is SymbolVar)
                {
                    exSymbol = exSymbol2 as SymbolVar;
                    if (exSymbol.DimType != exType)
                    {
                        errorf(ExceptionNameToken.Postion, "变量'{0}'的类型与异常的类型不一致", exName);
                    }
                }
                else
                {
                    errorf(ExceptionNameToken.Postion, "变量名称'{0}'已经使用过", exName);
                }
            }
            symbols.Add(exSymbol);
            analySubStmt(CatchBody);
        }