private bool DoRPN(TParsedTokenListBuilder TokenBuilder, TNameRecordList Names, byte[] RPN, int atPos, int afPos, ref bool HasSubtotal, ref bool HasAggregate) { int tPos = atPos; int fPos = afPos; int ArrayPos = fPos; TTokenOffset TokenOffset = new TTokenOffset(); while (tPos < fPos) { TokenOffset.Add(tPos, TokenBuilder.Count); byte RealToken = RPN[tPos]; ptg BaseToken = TBaseParsedToken.CalcBaseToken((ptg)RealToken); TUnsupportedFormulaErrorType ErrType = TUnsupportedFormulaErrorType.FormulaTooComplex; string ErrName = null; if (!Evaluate(TokenBuilder, TokenOffset, Names, BaseToken, (ptg)RealToken, RPN, ref tPos, ref ArrayPos, ref ErrType, ref ErrName, ref HasSubtotal, ref HasAggregate)) { TokenBuilder.Clear(); return(false); } tPos++; } //while TokenOffset.Add(tPos, TokenBuilder.Count); //eof FixGotosAndMemTokens(TokenBuilder, TokenOffset); return(true); }
private bool Evaluate(TParsedTokenListBuilder TokenBuilder, TTokenOffset TokenOffset, TNameRecordList Names, ptg BaseToken, ptg RealToken, byte[] RPN, ref int tPos, ref int ArrayPos, ref TUnsupportedFormulaErrorType ErrType, ref string ErrName, ref bool HasSubtotal, ref bool HasAggregate) { switch (BaseToken) { case ptg.Exp: AddParsedExp(TokenBuilder, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 3)); tPos += 4; break; case ptg.Tbl: AddParsedTable(TokenBuilder, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 3)); tPos += 4; break; case ptg.Add: case ptg.Sub: case ptg.Mul: case ptg.Div: case ptg.Power: case ptg.Concat: case ptg.LT: case ptg.LE: case ptg.EQ: case ptg.GE: case ptg.GT: case ptg.NE: case ptg.Uminus: case ptg.Percent: case ptg.Uplus: AddParsedOp(TokenBuilder, (TOperator)BaseToken); break; case ptg.MissArg: AddMissingArg(TokenBuilder); break; case ptg.Isect: AddParsedSep(TokenBuilder, BaseToken); break; case ptg.Union: AddParsedSep(TokenBuilder, BaseToken); break; case ptg.Range: AddParsedSep(TokenBuilder, BaseToken); break; case ptg.Paren: Push(TokenBuilder, TParenToken.Instance); break; case ptg.Str: long sl = 0; string Result = null; StrOps.GetSimpleString(false, RPN, tPos + 1, false, 0, ref Result, ref sl); AddParsed(TokenBuilder, Result); tPos += (int)sl; break; case ptg.Attr: int AttrLen = 0; if (!ProcessAttr(TokenBuilder, RPN, tPos + 1, ref AttrLen)) { return(false); } tPos += AttrLen; break; case ptg.Sheet: return(false); case ptg.EndSheet: return(false); case ptg.Err: AddParsed(TokenBuilder, (TFlxFormulaErrorValue)RPN[tPos + 1]); tPos++; break; case ptg.Bool: AddParsed(TokenBuilder, RPN[tPos + 1] == 1); tPos++; break; case ptg.Int: AddParsed16(TokenBuilder, BitOps.GetWord(RPN, tPos + 1)); tPos += 2; break; case ptg.Num: AddParsed(TokenBuilder, BitConverter.ToDouble(RPN, tPos + 1)); tPos += 8; break; case ptg.Array: Push(TokenBuilder, GetArrayDataToken(RealToken, RPN, ref ArrayPos)); tPos += 7; break; case ptg.Func: bool Result1; int index = BitOps.GetWord(RPN, tPos + 1); TCellFunctionData fd = TXlsFunction.GetData(index, out Result1); if (!Result1) { return(false); } Debug.Assert(fd.MinArgCount == fd.MaxArgCount, "On a fixed formula the min count of arguments should be the same as the max"); AddParsedFormula(TokenBuilder, RealToken, fd, (byte)fd.MinArgCount); tPos += 2; break; case ptg.FuncVar: bool Result2; int index2 = BitOps.GetWord(RPN, tPos + 2); TCellFunctionData fd2 = TXlsFunction.GetData(index2, out Result2); if (!Result2) { return(false); } if (fd2.Index == 344) // SubTotal { HasSubtotal = true; } int np = RPN[tPos + 1] & 0x7F; if (fd2.Index == 255) { CheckFutureFunction(TokenBuilder, ref np, Names, ref fd2, TokenOffset, ref HasAggregate); } AddParsedFormula(TokenBuilder, RealToken, fd2, (byte)np); tPos += 3; break; case ptg.Name: Push(TokenBuilder, new TNameToken(RealToken, BitOps.GetWord(RPN, tPos + 1))); tPos += 4; break; case ptg.NameX: Push(TokenBuilder, new TNameXToken(RealToken, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 3))); tPos += 6; break; case ptg.RefErr: case ptg.Ref: AddParsedRef(TokenBuilder, RealToken, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 2 + 1)); tPos += 4; break; case ptg.RefN: AddParsedRefN(TokenBuilder, RealToken, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 2 + 1)); tPos += 4; break; case ptg.AreaErr: case ptg.Area: AddParsedArea(TokenBuilder, RealToken, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 2 + 1), BitOps.GetWord(RPN, tPos + 4 + 1), BitOps.GetWord(RPN, tPos + 6 + 1)); tPos += 8; break; case ptg.AreaN: AddParsedAreaN(TokenBuilder, RealToken, BitOps.GetWord(RPN, tPos + 1), BitOps.GetWord(RPN, tPos + 2 + 1), BitOps.GetWord(RPN, tPos + 4 + 1), BitOps.GetWord(RPN, tPos + 6 + 1)); tPos += 8; break; case ptg.MemArea: { int ArrayLen; Push(TokenBuilder, new TMemAreaToken(RealToken, GetMemControl(RPN, ArrayPos, out ArrayLen), tPos + 1 + 6 + BitOps.GetWord(RPN, tPos + 1 + 4))); ArrayPos += ArrayLen; tPos += 6; break; //this is an optimization, but we don't need it. } case ptg.MemErr: { Push(TokenBuilder, new TMemErrToken(RealToken, (TFlxFormulaErrorValue)RPN[tPos + 1], tPos + 1 + 6 + BitOps.GetWord(RPN, tPos + 1 + 4))); tPos += 6; break; //this is an optimization, but we don't need it. } case ptg.MemNoMem: { Push(TokenBuilder, new TMemNoMemToken(RealToken, tPos + 1 + 6 + BitOps.GetWord(RPN, tPos + 1 + 4))); tPos += 6; break; //this is an optimization, but we don't need it. } case ptg.MemFunc: { Push(TokenBuilder, new TMemFuncToken(RealToken, tPos + 1 + 2 + BitOps.GetWord(RPN, tPos + 1))); tPos += 2; break; //this is an optimization, but we don't need it. } case ptg.MemAreaN: { Push(TokenBuilder, new TMemAreaNToken(RealToken, tPos + 1 + 2 + BitOps.GetWord(RPN, tPos + 1))); tPos += 2; break; //this is an optimization, but we don't need it. } case ptg.MemNoMemN: { Push(TokenBuilder, new TMemNoMemNToken(RealToken, tPos + 1 + 2 + BitOps.GetWord(RPN, tPos + 1))); tPos += 2; break; //this is an optimization, but we don't need it. } case ptg.Ref3dErr: case ptg.Ref3d: { int grBit1 = BitOps.GetWord(RPN, tPos + 4 + 1); int ExternSheet = BitOps.GetWord(RPN, tPos + 1); int Row1 = BitOps.GetWord(RPN, tPos + 2 + 1); AddParsed3dRef(TokenBuilder, RealToken, ExternSheet, Row1, grBit1); tPos += 6; break; } case ptg.Area3dErr: case ptg.Area3d: { int ExternSheet = BitOps.GetWord(RPN, tPos + 1); int Row1 = BitOps.GetWord(RPN, tPos + 2 + 1); int Row2 = BitOps.GetWord(RPN, tPos + 4 + 1); int grBit1 = BitOps.GetWord(RPN, tPos + 6 + 1); int grBit2 = BitOps.GetWord(RPN, tPos + 8 + 1); AddParsed3dArea(TokenBuilder, RealToken, ExternSheet, Row1, Row2, grBit1, grBit2); tPos += 10; break; } default: return(false); } return(true); }