[2510] | 1 | #include <stdlib.h>
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| 2 | #include <stdio.h>
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| 3 | #include <ctype.h>
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| 4 | #include <string.h>
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| 5 | #include "cexpre.h"
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| 6 | #include <stack>
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| 7 | #include <math.h>
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[2593] | 8 | #include "srandgen.h"
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[2510] | 9 |
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| 10 | namespace SOPHYA {
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| 11 |
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| 12 | long CExprBase::totnexp_create = 0;
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| 13 | long CExprBase::totnexp_delete = 0;
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| 14 | CExprBase::CExprBase()
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| 15 | {
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| 16 | totnexp_create++;
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| 17 | // cout << "CExprBase::CExprBase()-Creation " << hex << this << dec << endl;
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| 18 | }
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| 19 |
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| 20 | CExprBase::~CExprBase()
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| 21 | {
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| 22 | totnexp_delete++;
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| 23 | // cout << "CExprBase::~CExprBase() " << hex << this << dec << endl;
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| 24 | }
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| 25 |
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| 26 | void CExprBase::CheckThrow(const char * msg) const
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| 27 | {
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| 28 | string errmsg;
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| 29 | bool ok = CheckE(errmsg);
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| 30 | if (ok) return;
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| 31 | else {
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| 32 | errmsg += msg;
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| 33 | throw CExprException(errmsg);
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| 34 | }
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| 35 | }
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| 36 |
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| 37 | //---------------------------------------------------------
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| 38 | class CE_NumberExp : public CExprBase {
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| 39 | public:
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| 40 | CE_NumberExp(double v) { _val = v; }
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| 41 | CE_NumberExp(string const & s);
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| 42 | virtual ~CE_NumberExp() {}
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| 43 | virtual double Evaluate() const { return _val; }
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| 44 | virtual void Print(ostream& os) const { os << _val; }
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| 45 | protected:
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| 46 | double _val;
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| 47 | };
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| 48 |
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| 49 | CE_NumberExp::CE_NumberExp(string const & s)
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| 50 | {
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| 51 | size_t l = s.length();
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| 52 | if (l < 1) {
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| 53 | string errmsg = "CE_NumberExp::CE_NumberExp() Empty expression";
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| 54 | throw CExprException(errmsg);
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| 55 | }
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| 56 | if (s == "Pi") _val = M_PI;
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| 57 | else if (s == "E") _val = M_E;
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| 58 | else {
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| 59 | string errmsg = "CE_NumberExp::CE_NumberExp() Bad numerical constant: ";
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| 60 | errmsg += s;
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| 61 |
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[2518] | 62 | char* lcc;
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| 63 | _val = strtod(s.c_str(), &lcc);
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| 64 | if (*lcc != '\0') throw CExprException(errmsg);
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[2510] | 65 | }
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| 66 | }
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| 67 |
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[2550] | 68 | //---------------------------------------------------------
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| 69 | //----------- Expression changement de signe -------------
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| 70 | class CE_ChsExp : public CExprBase {
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| 71 | public:
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| 72 | explicit CE_ChsExp(CExprBase * e) { _e = e; }
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| 73 | virtual ~CE_ChsExp() { if (_e) delete _e; }
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| 74 | virtual double Evaluate() const { return -_e->Evaluate(); }
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| 75 | virtual bool CheckE(string& errmsg) const { if (_e) return true; else return false; }
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| 76 | virtual void Print(ostream& os) const { os << "-( "; _e->Print(os); os << " )"; }
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| 77 | protected:
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| 78 | CExprBase * _e;
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| 79 | };
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[2510] | 80 |
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| 81 | //---------------------------------------------------------
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| 82 | class CE_BinExp : public CExprBase {
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| 83 | public:
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| 84 | explicit CE_BinExp(char op, int prior);
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| 85 | virtual ~CE_BinExp() { if (_e1) delete _e1; if (_e2) delete _e2; }
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| 86 | inline void SetE1(CExprBase * e) { _e1 = e; }
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| 87 | inline void SetE2(CExprBase * e) { _e2 = e; }
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| 88 | virtual bool CheckE(string& errmsg) const;
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| 89 | virtual void Print(ostream& os) const;
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| 90 | inline char BOpC() const { return _bop; }
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| 91 | inline int Priority() const { return _priority; }
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| 92 | protected:
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| 93 | CExprBase * _e1;
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| 94 | CExprBase * _e2;
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| 95 | char _bop; // Caractere identificateur d'operation (+,-,*,/ ...)
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| 96 | int _priority; // Niveau de priorite: 1= +,- 2: *,/ 3: ^...
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| 97 | };
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| 98 |
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| 99 | CE_BinExp::CE_BinExp(char op, int prior)
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| 100 | {
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| 101 | _e1 = NULL; _e2 = NULL;
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| 102 | _bop = op;
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| 103 | _priority = prior;
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| 104 | }
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| 105 |
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| 106 | bool CE_BinExp::CheckE(string& errmsg) const
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| 107 | {
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| 108 | if ((_e1 == NULL) || (_e2 == NULL)) {
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| 109 | errmsg += "CE_BinExp::CheckE: Binary expression-missing argument ";
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| 110 | return false;
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| 111 | }
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| 112 | return true;
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| 113 | }
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| 114 |
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| 115 | void CE_BinExp::Print(ostream& os) const
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| 116 | {
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| 117 | os << "(" << (*_e1) << _bop << (*_e2) << ")" ;
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| 118 | }
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| 119 |
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| 120 | //---------------------------------------------------------
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| 121 | class CE_AddExp : public CE_BinExp {
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| 122 | public:
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| 123 | CE_AddExp() : CE_BinExp('+',1) {}
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| 124 | virtual double Evaluate() const { CheckThrow("CE_AddExp::Evaluate"); return _e1->Evaluate()+_e2->Evaluate();
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| 125 | }
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| 126 | };
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| 127 | class CE_MulExp : public CE_BinExp {
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| 128 | public:
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| 129 | CE_MulExp() : CE_BinExp('*',2) {}
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| 130 | virtual double Evaluate() const { CheckThrow("CE_MulExp::Evaluate"); return _e1->Evaluate()*_e2->Evaluate(); }
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| 131 | };
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| 132 | class CE_SubExp : public CE_BinExp {
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| 133 | public:
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| 134 | CE_SubExp() : CE_BinExp('-',1) {}
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| 135 | virtual double Evaluate() const { CheckThrow("CE_SubExp::Evaluate"); return _e1->Evaluate()-_e2->Evaluate(); }
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| 136 | };
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| 137 | class CE_DivExp : public CE_BinExp {
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| 138 | public:
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| 139 | CE_DivExp() : CE_BinExp('/',2) {}
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| 140 | virtual double Evaluate() const { CheckThrow("CE_DivExp::Evaluate"); return _e1->Evaluate()/_e2->Evaluate(); }
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| 141 | };
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| 142 |
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| 143 | //---------------------------------------------------------
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| 144 | typedef double (* f0exp) ();
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| 145 | typedef double (* f1exp) (double x);
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| 146 | typedef double (* f2exp) (double x, double y);
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| 147 | typedef double (* f3exp) (double x, double y, double z);
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| 148 |
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| 149 | //---------------------------------------------------------
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| 150 | #define FMXARG 3
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| 151 | class CE_FuncExp : public CExprBase {
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| 152 | public:
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| 153 | CE_FuncExp(string const & func);
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| 154 | virtual ~CE_FuncExp();
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| 155 | virtual double Evaluate() const ;
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| 156 | inline void AddArg(CExprBase * e);
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[2593] | 157 | inline int GetMaxNArg() const { return _maxne; }
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[2510] | 158 | virtual bool CheckE(string& errmsg) const;
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| 159 | virtual void Print(ostream& os) const;
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| 160 | protected:
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| 161 | f0exp _f0;
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| 162 | f1exp _f1;
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| 163 | f2exp _f2;
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| 164 | f3exp _f3;
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| 165 | int _ne, _maxne;
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| 166 | CExprBase * _e[FMXARG];
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| 167 | string _fname;
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| 168 | };
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| 169 |
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[2593] | 170 | // Les fonctions de generation de nombre aleatoire
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| 171 | double _CE_rand01() { return drand01(); }
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| 172 | double _CE_randpm1() { return drandpm1(); }
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| 173 | double _CE_gaurand() { return GauRnd(0., 1.); }
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[2510] | 174 | //---------------------------------------------------------
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| 175 | CE_FuncExp::CE_FuncExp(string const & func)
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| 176 | {
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| 177 | _ne = 0; _maxne = -1;
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| 178 | for(int k=0; k<FMXARG; k++) _e[k] = NULL;
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| 179 | _f0 = NULL;
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| 180 | _f1 = NULL;
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| 181 | _f2 = NULL;
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| 182 | _f3 = NULL;
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| 183 | if (func == "sin") _f1 = sin;
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| 184 | else if (func == "cos") _f1 = cos;
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| 185 | else if (func == "tan") _f1 = tan;
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| 186 | else if (func == "asin") _f1 = asin;
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| 187 | else if (func == "acos") _f1 = acos;
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| 188 | else if (func == "atan") _f1 = atan;
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| 189 | else if (func == "atan2") _f2 = atan2;
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[2518] | 190 | else if (func == "sqrt") _f1 = sqrt;
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| 191 | else if (func == "fabs") _f1 = fabs;
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| 192 | else if (func == "floor") _f1 = floor;
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[2510] | 193 | else if (func == "exp") _f1 = exp;
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| 194 | else if (func == "log") _f1 = log;
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| 195 | else if (func == "log10") _f1 = log10;
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| 196 | else if (func == "pow") _f2 = pow;
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[2518] | 197 | else if (func == "hypot") _f2 = hypot;
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| 198 | else if (func == "sinh") _f1 = sinh;
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| 199 | else if (func == "cosh") _f1 = cosh;
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| 200 | else if (func == "tanh") _f1 = tanh;
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[2593] | 201 | // Les fonctions aleatoires declaree plus haut
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| 202 | else if (func == "rand01") _f0 = _CE_rand01;
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| 203 | else if (func == "randpm1") _f0 = _CE_randpm1;
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| 204 | else if (func == "gaurand") _f0 = _CE_gaurand;
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[2510] | 205 | else {
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| 206 | string errmsg = "CE_FuncExp::CE_FuncExp() - Uknown function " ;
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| 207 | errmsg += func;
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| 208 | throw CExprException(errmsg);
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| 209 | }
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| 210 | if (_f0) _maxne = 0;
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| 211 | else if (_f1) _maxne = 1;
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| 212 | else if (_f2) _maxne = 2;
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| 213 | else if (_f3) _maxne = 3;
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| 214 | _fname = func;
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| 215 | }
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| 216 |
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| 217 |
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| 218 | CE_FuncExp::~CE_FuncExp()
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| 219 | {
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| 220 | for(int k=0; k<FMXARG; k++) if (_e[k]) delete _e[k];
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| 221 | }
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| 222 |
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| 223 | void CE_FuncExp::AddArg(CExprBase * e)
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| 224 | {
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| 225 | if ((e != NULL) && (_ne < _maxne)) { _e[_ne] = e; _ne++; }
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| 226 | else throw CExprException("CE_FuncExp::AddArg() e=NULL or too many arguments ");
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| 227 | }
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| 228 |
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| 229 | double CE_FuncExp::Evaluate() const
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| 230 | {
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[2593] | 231 | if ((_ne != _maxne) || (_maxne < 0) ) {
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[2510] | 232 | throw CExprException("CE_FuncExp::Evaluate() - Wrong argument number ");
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| 233 | }
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[2593] | 234 | if (_ne == 0) return _f0();
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| 235 | else if (_ne == 1) return _f1(_e[0]->Evaluate());
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[2510] | 236 | else if (_ne == 2) return _f2(_e[0]->Evaluate(), _e[1]->Evaluate());
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| 237 | else if (_ne == 3) return _f3(_e[0]->Evaluate(), _e[1]->Evaluate(),
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| 238 | _e[2]->Evaluate());
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| 239 | else return 0.;
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| 240 | }
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| 241 |
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| 242 | bool CE_FuncExp::CheckE(string& errmsg) const
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| 243 | {
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| 244 | if ((_ne != _maxne) || (_maxne < 0) ) {
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| 245 | char buff[128];
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| 246 | sprintf(buff, "CE_FuncExp::CheckE() %s - Wrong argument number - ne=%d maxne=%d ",
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| 247 | _fname.c_str(), _ne, _maxne);
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| 248 | errmsg += buff;
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| 249 | return false;
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| 250 | }
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| 251 | return true;
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| 252 | }
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| 253 |
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| 254 | void CE_FuncExp::Print(ostream& os) const
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| 255 | {
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| 256 | if ((_ne != _maxne) || (_maxne < 1) )
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| 257 | os << _fname << "(ArgError)" ;
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| 258 | else {
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| 259 | if (_ne == 1) os << _fname << "(" << *(_e[0]) << ")";
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| 260 | else if (_ne == 2) os << _fname << "(" << *(_e[0]) << "," << *(_e[1]) << ")";
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| 261 | else if (_ne == 3) os << _fname << "(" << *(_e[0])
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| 262 | << "," << *(_e[1]) << "," << *(_e[2]) << ")";
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| 263 | }
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| 264 | }
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| 265 |
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| 266 | //---------------------------------------------------------
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| 267 | CExpressionEvaluator::CExpressionEvaluator(string const & sex)
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| 268 | {
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| 269 | _exp = NULL;
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| 270 | size_t off=0,stop=0;
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| 271 | string fname = "";
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| 272 | string errmsg;
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| 273 | _exp= ParseString(0,fname,sex,off,stop,errmsg);
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| 274 | if (_exp == NULL) throw CExprException(errmsg);
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| 275 | }
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| 276 |
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| 277 | CExpressionEvaluator::~CExpressionEvaluator()
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| 278 | {
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| 279 | if (_exp) delete _exp;
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| 280 | }
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| 281 |
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| 282 | double CExpressionEvaluator::Evaluate() const
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| 283 | {
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| 284 | if (_exp) return _exp->Evaluate();
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| 285 | else return 0.;
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| 286 | }
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| 287 |
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| 288 | void CExpressionEvaluator::Print(ostream& os) const
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| 289 | {
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| 290 | if (_exp) _exp->Print(os);
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| 291 | else os << "CExpressionEvaluator ???";
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| 292 | }
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| 293 |
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| 294 | // cette fonction rearrange le stack des operations binaires en attente
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| 295 | CExprBase* Arrange_CE_BinExpStack(stack<CE_BinExp* >& sbx, CExprBase* cex, CE_BinExp* nbx)
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| 296 | {
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| 297 | while ( !sbx.empty() && (nbx->Priority() <= sbx.top()->Priority()) ) {
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| 298 | sbx.top()->SetE2(cex);
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| 299 | cex = sbx.top(); sbx.pop();
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| 300 | }
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| 301 | nbx->SetE1(cex);
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| 302 | sbx.push(nbx);
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| 303 | return NULL;
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| 304 | }
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| 305 |
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| 306 | // cette fonction rearrange le stack des operations binaires en attente
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| 307 | CExprBase* Arrange_CE_BinExpStack(stack<CE_BinExp* >& sbx, CExprBase* cex)
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| 308 | {
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| 309 | if (sbx.empty()) return cex;
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| 310 | while ( !sbx.empty() ) {
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| 311 | sbx.top()->SetE2(cex);
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| 312 | cex = sbx.top(); sbx.pop();
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| 313 | }
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| 314 | return cex;
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| 315 | }
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| 316 |
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| 317 |
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| 318 | CExprBase* CExpressionEvaluator::ParseString(int extype, string fname, string const & sex,
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| 319 | size_t off, size_t& stop, string& errmsg)
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| 320 | {
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| 321 | size_t len = sex.length();
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| 322 | if (len < 1) {
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| 323 | string errmsg = "CExpressionEvaluator::ParseString() Empty expression";
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| 324 | throw CExprException(errmsg);
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| 325 | }
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[2515] | 326 | errmsg = "";
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[2510] | 327 | CExprBase* rx = NULL; // Expression resultat
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| 328 | stack< CE_BinExp* > sbx; // Stack des expressions binaires
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| 329 | CE_FuncExp* fx = NULL; // Expression fonction
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| 330 | CExprBase* cx = NULL; // Element d'expression (courante)
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| 331 |
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| 332 | if (extype == 2) fx = new CE_FuncExp(fname);
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| 333 |
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| 334 | size_t p=0, q=0;
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| 335 | char lastopc=0, opc=0; // Last/current operation sign (+,-,*,/,...)
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[2520] | 336 | int osn = 0;
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[2510] | 337 | bool finok = false;
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| 338 | bool fgcont = true;
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| 339 | bool checkok = true;
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[2593] | 340 | bool apperrmsg = true;
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[2510] | 341 | // cout << " DBG-ParseString off= " << off << " sex[off]= " << sex[off]
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| 342 | // << " extype= " << extype << endl;
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| 343 | p = stop = off;
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| 344 | while ((p < len) && (fgcont) && (checkok) ) {
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[2593] | 345 | // cout << " DBG-2-ParseString p=" << p << " q=" << q << endl;
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[2510] | 346 |
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| 347 | cx = NULL;
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[2593] | 348 | // ------------------------------- Bretelle ------
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| 349 | // Il faut sauter les signes +/- qui se trouverait dans les
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| 350 | // exposants des nombres xxxe-yy xxxe+y : 0.4e-2 ...
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| 351 | // Les qques lignes sont une bretelle qui saute ces signes +/- (Reza, Aout 2004)
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| 352 | // On verifie d'abord s'il y a un nombre valide au debut de la positions courante
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| 353 | char* lcc;
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| 354 | size_t pfn=0,psn;
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| 355 | bool numberok = false;
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| 356 | strtod(sex.c_str()+p, &lcc);
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| 357 | if (lcc != sex.c_str()+p) { // Expression valide de double au debut
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| 358 | numberok = true; // de la position courante
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| 359 | pfn = lcc-sex.c_str();
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| 360 | }
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| 361 | // On cherche le 1er signe d'operateur - apres le nombre de debut
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[2510] | 362 | q = sex.find_first_of("+-*/(),",p);
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[2593] | 363 |
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| 364 | while ( numberok && (q < len) && (q < pfn) && (q > p) &&
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| 365 | ((sex[q] == '+') || (sex[q] == '-')) ) {
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| 366 | psn = q+1;
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| 367 | if (psn < len) q = sex.find_first_of("+-*/(),",psn);
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| 368 | else q = len+1;
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| 369 | }
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| 370 | //---- Fin de la Bretelle ---- pour sauter les signes +/- de l'exposant des nombres
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| 371 |
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[2510] | 372 | if (q < len) { // operateur trouve
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| 373 | opc = sex[q]; // signe operateur courant
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| 374 | switch (opc) {
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| 375 | case '(' :
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| 376 | if (q == p) {
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| 377 | string fname = "";
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| 378 | cx = ParseString(1, fname, sex, q+1, stop, errmsg);
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| 379 | }
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| 380 | else cx = ParseString(2, sex.substr(p,q-p), sex, q+1, stop, errmsg);
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[2593] | 381 | if (!cx) { checkok = false; p = stop+1; apperrmsg = false; }
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[2510] | 382 | else {
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[2550] | 383 | if (osn == 1) {
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| 384 | if (sex[p-osn] == '-') cx = new CE_ChsExp(cx);
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| 385 | }
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| 386 | if (osn > 1) {
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[2510] | 387 | checkok = false; p = stop+1; fgcont = false;
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| 388 | delete cx;
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[2550] | 389 | errmsg = "CExpressionEvaluator::ParseString()/ Syntax Error - multiple chs (+/-) (AA)";
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| 390 | }
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| 391 | else if (rx) {
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| 392 | checkok = false; p = stop+1; fgcont = false;
|
---|
| 393 | delete cx;
|
---|
[2510] | 394 | errmsg = "CExpressionEvaluator::ParseString()/ Syntax Error - rx&&cx (A)";
|
---|
| 395 | }
|
---|
| 396 | else {
|
---|
| 397 | if (stop == len-1) {
|
---|
| 398 | rx = Arrange_CE_BinExpStack(sbx, cx);
|
---|
| 399 | finok = true;
|
---|
| 400 | }
|
---|
| 401 | else rx = cx;
|
---|
[2520] | 402 | p = stop+1; osn = 0; lastopc = opc;
|
---|
[2510] | 403 | }
|
---|
| 404 | }
|
---|
| 405 | break;
|
---|
| 406 |
|
---|
| 407 | case ')' :
|
---|
| 408 | case ',' :
|
---|
| 409 | if (extype == 0) {
|
---|
| 410 | checkok = false; p = q; fgcont = false;
|
---|
| 411 | errmsg = "CExpressionEvaluator::ParseString() Unexpected ) or ,";
|
---|
| 412 | }
|
---|
| 413 | if ( (extype == 1) && (opc == ',')) {
|
---|
| 414 | checkok = false; p = q; fgcont = false;
|
---|
| 415 | errmsg = "CExpressionEvaluator::ParseString() Unexpected ,";
|
---|
| 416 | }
|
---|
| 417 | if ((q > p) && (rx)) {
|
---|
| 418 | checkok = false; p = q; fgcont = false;
|
---|
| 419 | errmsg = "CExpressionEvaluator::ParseString()/ Syntax Error - rx&&cx (B)";
|
---|
| 420 | }
|
---|
[2520] | 421 | if (q > p) cx = new CE_NumberExp(sex.substr(p-osn,q-p+osn));
|
---|
[2510] | 422 | else cx = rx;
|
---|
| 423 |
|
---|
[2593] | 424 | if (!cx && ( !fx || ( opc != ')' ) ||
|
---|
| 425 | ( (fx && (fx->GetMaxNArg() > 0) && (opc == ')' ) ) ) ) ) {
|
---|
[2510] | 426 | checkok = false; p = q; fgcont = false;
|
---|
| 427 | errmsg = "CExpressionEvaluator::ParseString()/ Syntax Error - farg=NULL (BB)";
|
---|
| 428 | }
|
---|
| 429 | else {
|
---|
[2593] | 430 | if (cx) { rx = Arrange_CE_BinExpStack(sbx, cx);
|
---|
| 431 | if (extype == 2) {
|
---|
| 432 | // cout << " DBG-ParseString-AddArg " << *(cx) << endl;
|
---|
| 433 | fx->AddArg(rx); rx = NULL;
|
---|
| 434 | }
|
---|
| 435 | }
|
---|
[2510] | 436 | if (opc == ')') { // Signe de fin de traitement d'une portion d'expression
|
---|
| 437 | if (extype == 2) { rx = fx; fx = NULL; }
|
---|
[2520] | 438 | stop = q; osn = 0; lastopc = opc;
|
---|
[2510] | 439 | fgcont = false;
|
---|
| 440 | finok = true;
|
---|
| 441 | }
|
---|
| 442 | else {
|
---|
| 443 | if (q == (len-1)) finok = true;
|
---|
[2520] | 444 | p = q+1; osn = 0; lastopc = opc;
|
---|
[2510] | 445 | }
|
---|
| 446 | }
|
---|
| 447 | break;
|
---|
| 448 |
|
---|
| 449 | case '+' :
|
---|
| 450 | case '-' :
|
---|
| 451 | case '*' :
|
---|
| 452 | case '/' :
|
---|
[2520] | 453 | if (!( ((opc=='+')||(opc=='-')) && ( (q==off) || ( (q==p) && lastopc != '(') ) ) ) {
|
---|
[2510] | 454 | CE_BinExp* nbx;
|
---|
[2515] | 455 | if (opc == '+') nbx = new CE_AddExp;
|
---|
| 456 | else if (opc == '-') nbx = new CE_SubExp;
|
---|
| 457 | else if (opc == '*') nbx = new CE_MulExp;
|
---|
| 458 | else nbx = new CE_DivExp;
|
---|
[2510] | 459 | if ((p == q) && (rx == NULL)) {
|
---|
[2520] | 460 | checkok = false; p = q; osn = 0; fgcont = false;
|
---|
[2510] | 461 | delete nbx;
|
---|
| 462 | errmsg = "CExpressionEvaluator::ParseString() Syntax Error - rx==NULL (C)";
|
---|
| 463 | }
|
---|
| 464 | else {
|
---|
| 465 | if (p == q) cx = rx;
|
---|
[2520] | 466 | else cx = new CE_NumberExp(sex.substr(p-osn,q-p+osn));
|
---|
[2510] | 467 | rx = Arrange_CE_BinExpStack(sbx, cx, nbx);
|
---|
[2520] | 468 | p = q+1; osn = 0; lastopc = opc;
|
---|
[2510] | 469 | }
|
---|
| 470 | }
|
---|
[2520] | 471 | else {
|
---|
| 472 | // Traitement des signes +/- qui pourrait faire partie d'une constante numerique
|
---|
| 473 | p = q+1; osn++;
|
---|
| 474 | continue;
|
---|
| 475 | }
|
---|
[2510] | 476 | break;
|
---|
| 477 | default:
|
---|
| 478 | throw CExprException("CExpressionEvaluator::ParseString() BUG-BUG-BUG");
|
---|
| 479 | break;
|
---|
| 480 | } // Fin de switch
|
---|
| 481 | }
|
---|
| 482 | else { // dernier element
|
---|
| 483 | if ( (p<len) && (rx != NULL)) {
|
---|
| 484 | checkok = false; p = len-1; fgcont = false;
|
---|
| 485 | errmsg = "CExpressionEvaluator::ParseString() Syntax Error - rx!=NULL at end (D)";
|
---|
| 486 | }
|
---|
| 487 | else {
|
---|
[2520] | 488 | if (p<len) cx = new CE_NumberExp(sex.substr(p-osn));
|
---|
[2510] | 489 | else cx = rx;
|
---|
| 490 | rx = Arrange_CE_BinExpStack(sbx, cx);
|
---|
| 491 | stop = p = len; fgcont = false;
|
---|
| 492 | finok = true;
|
---|
| 493 | }
|
---|
| 494 | }
|
---|
| 495 | }
|
---|
| 496 | // cout << " DBG-ParseString-out stop= " << stop << " sex[stop]= " << sex[stop] << endl;
|
---|
| 497 | if (finok && checkok) {
|
---|
| 498 | if( !sbx.empty() ) {
|
---|
| 499 | checkok = false;
|
---|
| 500 | errmsg = "CExpressionEvaluator::ParseString() !sbx.empty() at the end (E)";
|
---|
| 501 | }
|
---|
| 502 | else {
|
---|
| 503 | checkok = rx->CheckE(errmsg);
|
---|
| 504 | }
|
---|
| 505 | }
|
---|
| 506 | if (!finok || !checkok || !rx) {
|
---|
| 507 | char buff[128];
|
---|
| 508 | if (errmsg.length() < 1) {
|
---|
| 509 | errmsg = "CExpressionEvaluator::ParseString() Error - " ;
|
---|
| 510 | if (!finok) errmsg += " !finok " ;
|
---|
| 511 | if (!checkok) errmsg += " !checkok " ;
|
---|
| 512 | if (!rx) errmsg += " !rx " ;
|
---|
| 513 | errmsg += " (F)";
|
---|
[2593] | 514 | }
|
---|
| 515 |
|
---|
| 516 | if (apperrmsg) {
|
---|
| 517 | if (p<len)
|
---|
| 518 | sprintf(buff,"\n CExprError... %s <> %s ", sex.substr(0,p).c_str(),
|
---|
| 519 | sex.substr(p).c_str());
|
---|
| 520 | else sprintf(buff,"\n CExprError... %s <<", sex.c_str());
|
---|
| 521 | errmsg += buff;
|
---|
[2510] | 522 | }
|
---|
| 523 | if (rx) delete rx;
|
---|
| 524 | rx = NULL;
|
---|
| 525 | while (!sbx.empty()) {
|
---|
| 526 | delete sbx.top();
|
---|
| 527 | sbx.pop();
|
---|
| 528 | }
|
---|
| 529 | }
|
---|
| 530 | if (fx) delete fx;
|
---|
| 531 | return rx;
|
---|
| 532 | }
|
---|
| 533 |
|
---|
| 534 | } // End of namespace SOPHYA
|
---|
| 535 |
|
---|