protected internal virtual Unit createDSNode(DataSet ds, string id, bool check)
{
if (id[0] == '#')
{
int colNo = 0;
try
{
colNo = int.Parse(id.Substring(1));
}
catch (FormatException)
{
throw new ReportError("数据集列索引格式不正确");
}
if (check)
{
if (ds == null)
{
throw new ReportError("数据集未产生");
}
if (colNo > ds.ColumnCount)
{
throw new ReportError("数据集列索引超出范围");
}
return(new DSVar(ds, colNo));
}
}
if (!this.Boolean_0)
{
if (!check)
{
return(new DSVar(ds, id));
}
if (ds == null)
{
throw new ReportError("数据集未产生");
}
if (ds.isColumnName(id))
{
return(new DSVar(ds, ds.getColumnNo(id)));
}
}
else if (LoadFunction.isDSFunName(id))
{
FunctionUnit unit2 = check ? LoadFunction.newDSFunction(id, this.env_0, this.cellExt1_0, ds) : LoadFunction.newDSFunction(id, this.env_0, this.cellExt1_0);
unit2.setParameter(this.scanParameter());
return(unit2);
}
return(null);
}
protected internal virtual Unit createNode()
{
char ch = this.string_0[this.int_0];
int num = -1;
switch (ch)
{
case '"':
case '\'':
{
num = ExpString.scanQuotation(this.string_0, this.int_0);
if (num == -1)
{
throw new ReportError("引号不匹配");
}
string str3 = this.string_0.Substring(this.int_0 + 1, num - (this.int_0 + 1));
this.int_0 = num + 1;
return(new Constant(str3));
}
}
if ((this.cellExt1_0 != null) && (ch == '{'))
{
num = ExpString.scanBrace(this.string_0, this.int_0);
if (num == -1)
{
throw new ReportError("大括号不匹配");
}
FunctionUnit unit7 = LoadFunction.newFunction("select", this.env_0, this.cellExt1_0, this.dataSet_0);
unit7.setParameter(this.string_0.Substring(this.int_0 + 1, num - (this.int_0 + 1)));
this.int_0 = num + 1;
return(unit7);
}
if ((this.cellExt1_0 != null) && (ch == '['))
{
FunctionUnit unit6;
num = ExpString.scanBracket(this.string_0, this.int_0);
if (num == -1)
{
throw new ReportError("中括号不匹配");
}
if ((this.unit_1 != null) && !this.unit_1.Operator)
{
if (this.unit_1 is CSVar)
{
unit6 = LoadFunction.newFunction("move", this.env_0, this.cellExt1_0, this.dataSet_0);
unit6.setParameter(this.string_0.Substring(this.int_0 + 1, num - (this.int_0 + 1)));
}
else
{
unit6 = LoadFunction.newFunction("offset", this.env_0, this.cellExt1_0, this.dataSet_0);
unit6.setParameter(this.string_0.Substring(this.int_0 + 1, num - (this.int_0 + 1)));
}
}
else
{
unit6 = LoadFunction.newFunction("list", this.env_0, this.cellExt1_0, this.dataSet_0);
unit6.setParameter(this.string_0.Substring(this.int_0 + 1, num - (this.int_0 + 1)));
}
this.int_0 = num + 1;
return(unit6);
}
string id = this.scanId();
if (id.ToUpper().Equals("and".ToUpper()))
{
return(new And());
}
if (id.ToUpper().Equals("or".ToUpper()))
{
return(new Or());
}
if (id.ToUpper().Equals("not".ToUpper()))
{
return(new Not());
}
if (id.ToUpper().Equals("in".ToUpper()))
{
return(new In());
}
if (id.ToUpper().Equals("to".ToUpper()))
{
return(new To());
}
if (id.ToUpper().Equals("like".ToUpper()))
{
return(new Like());
}
DataSet ds = this.dataSet_0;
int index = id.IndexOf('.');
if ((index > 0) && !char.IsDigit(id[0]))
{
string str2 = id.Substring(0, index);
if (this.env_0.isDataSetName(str2))
{
ds = this.env_0.getDataSet(str2);
id = id.Substring(index + 1);
Unit unit5 = this.createDSNode(ds, id, true);
if (unit5 == null)
{
throw new ReportError("有不可识别的数据集函数" + id.ToString().ToString());
}
return(unit5);
}
}
if (this.dataSet_0 != null)
{
Unit unit4 = this.createDSNode(this.dataSet_0, id, true);
if (unit4 != null)
{
return(unit4);
}
}
if (this.unit_1 is DSMember)
{
Unit unit3 = this.createDSNode(this.dataSet_0, id, false);
if (unit3 != null)
{
return(unit3);
}
}
bool isSaved = false;
if (id[0] != '@')
{
if (id[0] == '$')
{
id = id.Substring(1);
isSaved = true;
}
}
else
{
id = id.Substring(1);
}
if ((this.cellExt1_0 != null) && id.ToUpper().Equals("value".ToUpper()))
{
return(new CSCurrent(this.cellExt1_0));
}
if (this.env_0.isParamName(id))
{
return(new Constant(this.env_0.getParam(id)));
}
if ((this.cellExt1_0 != null) && this.cellExt1_0.isSource(id.ToLower()))
{
id = id.ToLower();
if (this.cellExt1_0.getSource(id) != null)
{
return(new CSVar(this.cellExt1_0.getSource(id), isSaved));
}
return(new CSVar(this.cellExt1_0, id));
}
if (!this.Boolean_0)
{
return(new Constant(ConvertTool.parse(id)));
}
if (!LoadFunction.isFunName(id))
{
throw new ReportError("未知的函数" + id.ToString().ToString());
}
FunctionUnit unit2 = LoadFunction.newFunction(id, this.env_0, this.cellExt1_0, this.dataSet_0);
unit2.setParameter(this.scanParameter());
return(unit2);
}
protected internal virtual void create()
{
int num = this.string_0.Length;
Unit unit = null;
int num2 = 0;
while (this.int_0 < num)
{
char ch2 = this.string_0[this.int_0];
if (char.IsWhiteSpace(ch2))
{
goto Label_041D;
}
unit = null;
char ch = ch2;
switch (ch)
{
case '!':
this.int_0++;
if ((this.int_0 < num) && (this.string_0[this.int_0] == '='))
{
unit = new NotEquals();
this.int_0++;
}
if (unit == null)
{
unit = new Not();
}
goto Label_03B6;
case '"':
case '#':
case '$':
case '\'':
case ';':
goto Label_02D1;
case '%':
unit = new Mod();
this.int_0++;
goto Label_03B6;
case '&':
this.int_0++;
if ((this.int_0 >= num) || (this.string_0[this.int_0] != '&'))
{
break;
}
unit = new And();
this.int_0++;
goto Label_03B6;
case '(':
goto Label_02DD;
case ')':
goto Label_02F4;
case '*':
goto Label_0312;
case '+':
goto Label_032B;
case ',':
throw new ReportError(new StringBuilder("位置").Append(this.int_0).Append("不应该出现逗号").ToString().ToString());
case '-':
goto Label_0341;
case '.':
goto Label_0357;
case '/':
unit = new Divide();
this.int_0++;
goto Label_03B6;
case ':':
unit = new Link(this.cellExt1_0);
this.int_0++;
goto Label_03B6;
case '<':
this.int_0++;
if ((this.int_0 < num) && (this.string_0[this.int_0] == '='))
{
unit = new NotGreater();
this.int_0++;
}
if (unit == null)
{
unit = new Smaller();
}
goto Label_03B6;
case '=':
this.int_0++;
if ((this.int_0 < num) && (this.string_0[this.int_0] == '='))
{
this.int_0++;
}
unit = new Equals();
goto Label_03B6;
case '>':
this.int_0++;
if ((this.int_0 < num) && (this.string_0[this.int_0] == '='))
{
unit = new NotSmaller();
this.int_0++;
}
if (unit == null)
{
unit = new Greater();
}
goto Label_03B6;
default:
if (ch != '|')
{
goto Label_02D1;
}
this.int_0++;
if ((this.int_0 >= num) || (this.string_0[this.int_0] != '|'))
{
throw new ReportError("不能识别标识符|");
}
unit = new Or();
this.int_0++;
goto Label_03B6;
}
unit = LoadFunction.newFunction("address", this.env_0, this.cellExt1_0, this.dataSet_0);
goto Label_03B6;
Label_02D1:
unit = this.createNode();
goto Label_03B6;
Label_02DD:
num2++;
this.int_0++;
continue;
Label_02F4:
if (--num2 < 0)
{
throw new ReportError("括号不匹配，右括号太多！");
}
this.int_0++;
continue;
Label_0312:
unit = new Multiply();
this.int_0++;
goto Label_03B6;
Label_032B:
unit = new Add();
this.int_0++;
goto Label_03B6;
Label_0341:
unit = new Subtract();
this.int_0++;
goto Label_03B6;
Label_0357:
if ((this.unit_1 != null) && !this.unit_1.Operator)
{
unit = LoadFunction.newFunction("dsmember", this.env_0, this.cellExt1_0, this.dataSet_0);
this.int_0++;
}
else
{
unit = this.createNode();
}
Label_03B6:
unit.InBrackets = num2;
this.unit_1 = unit;
if (this.unit_0 != null)
{
Unit right = this.unit_0;
Unit unit2 = null;
while (right != null)
{
if (right.Priority >= unit.Priority)
{
break;
}
unit2 = right;
right = right.Right;
}
unit.Left = right;
if (unit2 == null)
{
this.unit_0 = unit;
}
else
{
unit2.Right = unit;
}
continue;
}
this.unit_0 = unit;
continue;
Label_041D:
this.int_0++;
}
if (num2 > 0)
{
throw new ReportError("括号不匹配，左括号太多！");
}
}