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Copy pathIROOTTreeFormulaChecker.cpp
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IROOTTreeFormulaChecker.cpp
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#include "IROOTTreeFormulaChecker.h"
static Int_t gMAXOP=1000,gMAXPAR=1000,gMAXCONST=1000;
const Int_t gMAXSTRINGFOUND = 10;
const UInt_t kOptimizationError = BIT(19);
IROOTTreeFormulaChecker::IROOTTreeFormulaChecker(const char *name, const char *formula, TTree *tree)
:TTreeFormula(name, formula, tree)
{
}
void IROOTTreeFormulaChecker::Analyze(const char *schain, Int_t &err, Int_t offset){
Int_t valeur,find,n,i,j,k,lchain,nomb,virgule,inter,nest;
Int_t compt,compt2,compt3,compt4;
Bool_t inString;
Double_t vafConst;
ULong_t vafConst2;
Bool_t parenthese;
TString s,chaine_error,chaine1ST;
TString s1,s2,s3,ctemp;
TString chaine = schain;
TFormula *oldformula;
Int_t modulo,plus,puiss10,puiss10bis,moins,multi,divi,puiss,et,ou,petit,grand,egal,diff,peteg,grdeg,etx,oux,rshift,lshift,tercond,terelse;
char t;
TString slash("/"), escapedSlash("\\/");
Int_t inter2 = 0;
SetNumber(0);
Int_t actionCode,actionParam;
Int_t err_hint = 0;
//*-*- Verify correct matching of parenthesis and remove unnecessary parenthesis.
//*-* ========================================================================
lchain = chaine.Length();
//if (chaine(lchain-2,2) == "^2") chaine = "sq(" + chaine(0,lchain-2) + ")";
parenthese = kTRUE;
lchain = chaine.Length();
while (parenthese && lchain>0 && err==0){
compt = 0;
compt2 = 0;
inString = false;
lchain = chaine.Length();
if (lchain==0) err=4;
else {
for (i=1; i<=lchain; ++i) {
if (chaine(i-1,1) == "\"") inString = !inString;
if (!inString) {
if (chaine(i-1,1) == "[") compt2++;
if (chaine(i-1,1) == "]") compt2--;
if (chaine(i-1,1) == "(") compt++;
if (chaine(i-1,1) == ")") compt--;
}
if (compt < 0) err = 40; // more open parentheses than close parentheses
if (compt2< 0) err = 42; // more ] than [
if (compt==0 && (i!=lchain || lchain==1)) parenthese = kFALSE;
// if (lchain<3 && chaine(0,1)!="(" && chaine(lchain-1,1)!=")") parenthese = kFALSE;
}
if (compt > 0) err = 41; // more ( than )
if (compt2> 0) err = 43; // more [ than ]
if (parenthese) chaine = chaine(1,lchain-2);
}
} // while parantheses
if (lchain==0) err=4; // empty string
modulo=plus=moins=multi=divi=puiss=et=ou=petit=grand=egal=diff=peteg=grdeg=etx=oux=rshift=lshift=tercond=terelse=0;
//*-*- Look for simple operators
//*-* =========================
if (err==0) {
compt = compt2 = compt3 = compt4 = 0;puiss10=0;puiss10bis = 0;
inString = false;
j = lchain;
Bool_t isdecimal = 1; // indicates whether the left part is decimal.
for (i=1;i<=lchain; i++) {
puiss10=puiss10bis=0;
if (i>2) {
t = chaine[i-3];
isdecimal = isdecimal && (strchr("0123456789.",t)!=0);
if (isdecimal) {
if ( chaine[i-2] == 'e' || chaine[i-2] == 'E' ) puiss10 = 1;
} else if ( strchr("+-/[]()&|><=!*/%^\\",t) ) {
isdecimal = 1; // reset after delimiter
}
}
if (j>2) {
if (chaine[j-2] == 'e' || chaine[j-2] == 'E') {
Bool_t isrightdecimal = 1;
for(k=j-3; k>=0 && isrightdecimal; --k) {
t = chaine[k];
isrightdecimal = isrightdecimal && (strchr("0123456789.",t)!=0);
if (!isrightdecimal) {
if (strchr("+-/[]()&|><=!*/%^\\",t)!=0) {
puiss10bis = 1;
}
}
}
if (k<0 && isrightdecimal) puiss10bis = 1;
}
}
if (puiss10 && (i<=lchain)) {
t = chaine[i];
puiss10 = (strchr("0123456789.",t)!=0);
}
if (puiss10bis && (j<=lchain)) {
t = chaine[j];
puiss10bis = (strchr("0123456789.",t)!=0);
}
if (chaine(i-1,1) == "\"") inString = !inString;
if (inString) continue;
if (chaine(i-1,1) == "[") compt2++;
if (chaine(i-1,1) == "]") compt2--;
if (chaine(i-1,1) == "(") compt++;
if (chaine(i-1,1) == ")") compt--;
if (chaine(j-1,1) == "[") compt3++;
if (chaine(j-1,1) == "]") compt3--;
if (chaine(j-1,1) == "(") compt4++;
if (chaine(j-1,1) == ")") compt4--;
if (chaine(i-1,2)=="&&" && !inString && compt==0 && compt2==0 && et==0) {et=i;puiss=0;}
if (chaine(i-1,2)=="||" && compt==0 && compt2==0 && ou==0) {puiss10=0; ou=i;}
if (chaine(i-1,1)=="&" && compt==0 && compt2==0 && etx==0) {etx=i;puiss=0;}
if (chaine(i-1,1)=="|" && compt==0 && compt2==0 && oux==0) {puiss10=0; oux=i;}
if (chaine(i-1,2)==">>" && compt==0 && compt2==0 && rshift==0) {puiss10=0; rshift=i;}
if (chaine(i-1,1)==">" && compt==0 && compt2==0 && rshift==0 && grand==0)
{puiss10=0; grand=i;}
if (chaine(i-1,2)=="<<" && compt==0 && compt2==0 && lshift==0) {puiss10=0; lshift=i;}
if (chaine(i-1,1)=="<" && compt==0 && compt2==0 && lshift==0 && petit==0)
{puiss10=0; petit=i;
// Check whether or not we have a template names! (actually this can
// only happen in TTreeFormula.
for(int ip = i,depth=0; ip < lchain; ++ip) {
char c = chaine(ip);
// The characteres allowed in the template parameter are alpha-numerical characters,
// underscores, comma, <, > and scope operator.
if (isalnum(c) || c=='_' || c==',') continue;
if (c==':' && chaine(ip+1)==':') { ++ip; continue; }
if (c=='<') { ++depth; continue; }
if (c=='>') {
if (depth) { --depth; continue; }
else {
// We reach the end of the template parameter.
petit = 0;
i = ip+1;
break;
}
}
// Character not authorized within a template parameter
break;
}
if (petit==0) {
// We found a template parameter and modified i
continue; // the for(int i ,...)
}
}
if ((chaine(i-1,2)=="<=" || chaine(i-1,2)=="=<") && compt==0 && compt2==0
&& peteg==0) {peteg=i; puiss10=0; petit=0;}
if ((chaine(i-1,2)=="=>" || chaine(i-1,2)==">=") && compt==0 && compt2==0
&& grdeg==0) {puiss10=0; grdeg=i; grand=0;}
if (chaine(i-1,2) == "==" && compt == 0 && compt2 == 0 && egal == 0) {puiss10=0; egal=i;}
if (chaine(i-1,2) == "!=" && compt == 0 && compt2 == 0 && diff == 0) {puiss10=0; diff=i;}
if (i>1 && chaine(i-1,1) == "+" && compt == 0 && compt2 == 0 && puiss10==0) plus=i;
if (chaine(j-1,1) == "-" && chaine(j-2,1) != "*" && chaine(j-2,1) != "/"
&& chaine(j-2,1)!="^" && compt3==0 && compt4==0 && moins==0 && puiss10bis==0) moins=j;
if (chaine(i-1,1)=="%" && compt==0 && compt2==0 && modulo==0) {puiss10=0; modulo=i;}
if (chaine(i-1,1)=="*" && compt==0 && compt2==0 && multi==0) {puiss10=0; multi=i;}
if (chaine(j-1,1)=="/" && chaine(j-2,1)!="\\"
&& compt4==0 && compt3==0 && divi==0)
{
puiss10=0; divi=j;
}
if (chaine(j-1)=='^' && compt4==0 && compt3==0 && puiss==0) {puiss10=0; puiss=j;}
if (chaine(i-1)=='?' && compt == 0 && compt2 == 0 && tercond == 0) {puiss10=0; tercond=i;}
if (chaine(i-1)==':' && tercond && compt == 0 && compt2 == 0 && terelse == 0) {
if (i>2 && chaine(i-2)!=':' && chaine(i)!=':') {
puiss10=0; terelse=i;
}
}
j--;
}
//*-*- If operator found, analyze left and right part of the statement
//*-* ===============================================================
actionParam = 0;
if (tercond && terelse) {
if (tercond == 1 || terelse == lchain || tercond == (terelse-1) ) {
err = 5;
chaine_error = "?:";
} else {
// Condition
ctemp = chaine(0,tercond-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "?: condition jump";
actionCode = kJumpIf;
actionParam = 0;
SetAction(fNoper,actionCode, actionParam);
Int_t optloc = fNoper++;
// Expression executed if condition is true.
ctemp = chaine(tercond,terelse-tercond-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
actionParam = fNoper; // We want to skip the next instruction ('else jump'), so we set the param to the current cursor and the next instruction will be skip by the ++i in the eval loop
SetAction(optloc, actionCode, actionParam);
fExpr[fNoper] = "?: else jump";
actionCode = kJump;
actionParam = 0;
// Set jump target.
SetAction(fNoper,actionCode, actionParam);
optloc = fNoper++;
// Expression executed if condition is false.
ctemp = chaine(terelse,lchain-terelse);
Analyze(ctemp.Data(),err,offset); if (err) return;
// Set jump target.
actionParam = fNoper - 1; // We need to not skip the next instruction, so we compensate for the ++i in the eval loop
SetAction(optloc, actionCode, actionParam);
if (IsString(optloc-1) != IsString(fNoper-1)) {
err = 45;
chaine_error = "?:";
}
}
} else if (ou != 0) { //check for ||
if (ou==1 || ou==lchain-1) {
err=5;
chaine_error="||";
}
else {
ctemp = chaine(0,ou-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "|| checkpoint";
actionCode = kBoolOptimize;
actionParam = 2;
SetAction(fNoper,actionCode, actionParam);
Int_t optloc = fNoper++;
ctemp = chaine(ou+1,lchain-ou-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "||";
actionCode = kOr;
SetAction(fNoper,actionCode, 0);
SetAction( optloc, GetAction(optloc), GetActionParam(optloc) + (fNoper-optloc) * 10);
fNoper++;
if (!CheckOperands(optloc-1,fNoper-1,err)) return;
}
} else if (et!=0) {
if (et==1 || et==lchain-1) {
err=5;
chaine_error="&&";
}
else {
ctemp = chaine(0,et-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "&& checkpoint";
actionCode = kBoolOptimize;
actionParam = 1;
SetAction(fNoper,actionCode,actionParam);
Int_t optloc = fNoper++;
ctemp = chaine(et+1,lchain-et-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "&&";
actionCode = kAnd;
SetAction(fNoper,actionCode,0);
SetAction(optloc, GetAction(optloc), GetActionParam(optloc) + (fNoper-optloc) * 10);
fNoper++;
if (!CheckOperands(optloc-1,fNoper-1,err)) return;
}
} else if (oux!=0) {
if (oux==1 || oux==lchain) {
err=5;
chaine_error="|";
}
else {
ctemp = chaine(0,oux-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(oux,lchain-oux);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "|";
actionCode = kBitOr;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (etx!=0) {
if (etx==1 || etx==lchain) {
err=5;
chaine_error="&";
}
else {
ctemp = chaine(0,etx-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(etx,lchain-etx);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "&";
actionCode = kBitAnd;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (petit != 0) {
if (petit==1 || petit==lchain) {
err=5;
chaine_error="<";
}
else {
ctemp = chaine(0,petit-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(petit,lchain-petit);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "<";
actionCode = kLess;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (grand != 0) {
if (grand==1 || grand==lchain) {
err=5;
chaine_error=">";
}
else {
ctemp = chaine(0,grand-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(grand,lchain-grand);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = ">";
actionCode = kGreater;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (peteg != 0) {
if (peteg==1 || peteg==lchain-1) {
err=5;
chaine_error="<=";
}
else {
ctemp = chaine(0,peteg-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
ctemp = chaine(peteg+1,lchain-peteg-1);
UInt_t leftopr = fNoper-1;
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "<=";
actionCode = kLessThan;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (grdeg != 0) {
if (grdeg==1 || grdeg==lchain-1) {
err=5;
chaine_error="=>";
}
else {
ctemp = chaine(0,grdeg-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(grdeg+1,lchain-grdeg-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = ">=";
actionCode = kGreaterThan;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (egal != 0) {
if (egal==1 || egal==lchain-1) {
err=5;
chaine_error="==";
}
else {
ctemp = chaine(0,egal-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
Int_t optloc = fNoper-1;
ctemp = chaine(egal+1,lchain-egal-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "==";
actionCode = kEqual;
Bool_t isstring = IsString(fNoper-1);
if (IsString(optloc) != isstring) {
err = 45;
chaine_error = "==";
} else if (isstring) {
actionCode = kStringEqual;
}
SetAction(fNoper,actionCode,actionParam);
fNoper++;
}
} else if (diff != 0) {
if (diff==1 || diff==lchain-1) {
err=5;
chaine_error = "!=";
}
else {
ctemp = chaine(0,diff-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
Int_t optloc = fNoper-1;
ctemp = chaine(diff+1,lchain-diff-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "!=";
actionCode = kNotEqual;
Bool_t isstring = IsString(fNoper-1);
if (IsString(optloc) != isstring) {
err = 45;
chaine_error = "!=";
} else if (isstring) {
actionCode = kStringNotEqual;
}
SetAction(fNoper,actionCode,actionParam);
fNoper++;
}
} else if (plus != 0) {
if (plus==lchain) {
err=5;
chaine_error = "+";
}
else {
ctemp = chaine(0,plus-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(plus,lchain-plus);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "+";
actionCode = kAdd;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else {
if (moins != 0) {
if (moins == 1) {
ctemp = chaine(moins,lchain-moins);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "-";
actionCode = kSignInv;
SetAction(fNoper,actionCode,actionParam);
++fNoper;
if (!CheckOperands(fNoper-1,err)) return;
} else {
if (moins == lchain) {
err=5;
chaine_error = "-";
} else {
ctemp = chaine(0,moins-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(moins,lchain-moins);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "-";
actionCode = kSubstract;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
}
} else if (modulo != 0) {
if (modulo == 1 || modulo == lchain) {
err=5;
chaine_error="%";
} else {
ctemp = chaine(0,modulo-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(modulo,lchain-modulo);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "%";
actionCode = kModulo;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (rshift != 0) {
if (rshift == 1 || rshift == lchain) {
err=5;
chaine_error=">>";
} else {
ctemp = chaine(0,rshift-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(rshift+1,lchain-rshift-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = ">>";
actionCode = kRightShift;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else if (lshift != 0) {
if (lshift == 1 || lshift == lchain) {
err=5;
chaine_error=">>";
} else {
ctemp = chaine(0,lshift-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(lshift+1,lchain-lshift-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = ">>";
actionCode = kLeftShift;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else {
if (multi != 0) {
if (multi == 1 || multi == lchain) {
err=5;
chaine_error="*";
}
else {
ctemp = chaine(0,multi-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(multi,lchain-multi);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "*";
actionCode = kMultiply;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else {
if (divi != 0) {
if (divi == 1 || divi == lchain) {
err=5;
chaine_error = "/";
}
else {
ctemp = chaine(0,divi-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(divi,lchain-divi);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "/";
actionCode = kDivide;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
} else {
if (puiss != 0) {
if (puiss == 1 || puiss == lchain) {
err = 5;
chaine_error = "**";
}
else {
if (chaine(lchain-2,2) == "^2") {
ctemp = "sq(" + chaine(0,lchain-2) + ")";
Analyze(ctemp.Data(),err,offset); if (err) return;
} else {
ctemp = chaine(0,puiss-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
UInt_t leftopr = fNoper-1;
ctemp = chaine(puiss,lchain-puiss);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "^";
actionCode = kpow;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(leftopr,fNoper-1,err)) return;
}
}
} else {
find=0;
//*-*- Check for a numerical expression
{
Bool_t hasDot = kFALSE;
Bool_t isHexa = kFALSE;
Bool_t hasExpo= kFALSE;
if ((chaine(0,2)=="0x")||(chaine(0,2)=="0X")) isHexa=kTRUE;
for (j=0; j<chaine.Length() && err==0; j++) {
t=chaine[j];
if (!isHexa) {
if (j>0 && (chaine(j,1)=="e" || chaine(j,2)=="e+" || chaine(j,2)=="e-" || chaine(j,1)=="E" || chaine(j,2)=="E+" || chaine(j,2)=="E-")) {
if (hasExpo) {
err=26;
chaine_error=chaine;
}
hasExpo = kTRUE;
// The previous implementation allowed a '.' in the exponent.
// That information was ignored (by sscanf), we now make it an error
// hasDot = kFALSE;
hasDot = kTRUE; // forbid any additional '.'
if (chaine(j,2)=="e+" || chaine(j,2)=="e-" || chaine(j,2)=="E+" || chaine(j,2)=="E-") j++;
}
else {
if (chaine(j,1) == "." && !hasDot) hasDot = kTRUE; // accept only one '.' in the number
else {
// The previous implementation was allowing ANYTHING after the '.' and thus
// made legal code like '2.3 and fpx' and was just silently ignoring the
// 'and fpx'.
if (!strchr("0123456789",t) && (chaine(j,1)!="+" || j!=0)) {
err = 30;
chaine_error=chaine;
}
}
}
}
else {
if (!strchr("0123456789abcdefABCDEF",t) && (j>1)) {
err = 30;
chaine_error=chaine;
}
}
}
if (fNconst >= gMAXCONST) err = 27;
if (!err) {
if (!isHexa) {if (sscanf((const char*)chaine,"%lg",&vafConst) > 0) err = 0; else err =1;}
else {if (sscanf((const char*)chaine,"%lx",&vafConst2) > 0) err = 0; else err=1;
vafConst = (Double_t) vafConst2;}
fExpr[fNoper] = chaine;
k = -1;
for (j=0;j<fNconst;j++) {
if (vafConst == fConst[j] ) k= j;
}
if ( k < 0) { k = fNconst; fNconst++; fConst[k] = vafConst; }
actionCode = kConstant;
actionParam = k;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
}
if (err==30) err=0;
else find = kTRUE;
}
//*-*- Look for an already defined expression
if (find==0) {
oldformula = (TFormula*)gROOT->GetListOfFunctions()->FindObject((const char*)chaine);
if (oldformula && strcmp(schain,oldformula->GetTitle())) {
Int_t nprior = fNpar;
Analyze(oldformula->GetExpFormula(),err,fNpar);
if (err) return; // changes fNpar
fNpar = nprior;
find=1;
if (!err) {
Int_t npold = oldformula->GetNpar();
fNpar += npold;
for (Int_t ipar=0;ipar<npold;ipar++) {
fParams[ipar+fNpar-npold] = oldformula->GetParameter(ipar);
}
}
}
}
if (find == 0) {
//*-*- Check if chaine is a defined variable.
//*-*- Note that DefinedVariable can be overloaded
ctemp = chaine;
ctemp.ReplaceAll(escapedSlash, slash);
Int_t action;
k = DefinedVariable(ctemp,action);
if (k==-3) {
// Error message already issued
err = 1;
} if (k==-2) {
err = 31;
chaine_error = ctemp;
} else if ( k >= 0 ) {
fExpr[fNoper] = ctemp;
actionCode = action;
actionParam = k;
SetAction(fNoper,actionCode,actionParam);
if (action==kDefinedString) fNstring++;
else if (k <kMAXFOUND && !fAlreadyFound.TestBitNumber(k)) {
fAlreadyFound.SetBitNumber(k);
fNval++;
}
fNoper++;
} else if (chaine(0,1) == "!") {
ctemp = chaine(1,lchain-1);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "!";
actionCode = kNot;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,1)=="\"" && chaine(chaine.Length()-1,1)=="\"") {
//*-* It is a string !!!
fExpr[fNoper] = chaine(1,chaine.Length()-2);
actionCode = kStringConst;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
} else if (chaine(0,4) == "cos(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "cos";
actionCode = kcos;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "sin(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "sin";
actionCode = ksin;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "tan(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "tan";
actionCode = ktan;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "acos(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "acos";
actionCode = kacos;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "asin(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "asin";
actionCode = kasin;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "atan(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "atan";
actionCode = katan;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "cosh(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "cosh";
actionCode = kcosh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "sinh(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "sinh";
actionCode = ksinh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "tanh(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "tanh";
actionCode = ktanh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,6) == "acosh(") {
ctemp = chaine(5,lchain-5);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "acosh";
actionCode = kacosh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,6) == "asinh(") {
ctemp = chaine(5,lchain-5);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "asinh";
actionCode = kasinh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,6) == "atanh(") {
ctemp = chaine(5,lchain-5);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "atanh";
actionCode = katanh;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,3) == "sq(") {
ctemp = chaine(2,lchain-2);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "sq";
actionCode = ksq;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "log(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "log";
actionCode = klog;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,6) == "log10(") {
ctemp = chaine(5,lchain-5);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "log10";
actionCode = klog10;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "exp(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "exp";
actionCode = kexp;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "abs(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "abs";
actionCode = kabs;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,5) == "sign(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "sign";
actionCode = ksign;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine(0,4) == "int(") {
ctemp = chaine(3,lchain-3);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "int";
actionCode = kint;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
} else if (chaine == "rndm" || chaine(0,5) == "rndm(") {
fExpr[fNoper] = "rndm";
actionCode = krndm;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
} else if (chaine(0,5) == "sqrt(") {
ctemp = chaine(4,lchain-4);
Analyze(ctemp.Data(),err,offset); if (err) return;
fExpr[fNoper] = "sqrt";
actionCode = ksqrt;
SetAction(fNoper,actionCode,actionParam);
fNoper++;;
if (!CheckOperands(fNoper-1,err)) return;
//*-*- Look for an exponential
//*-* =======================
} else if ( chaine == "expo" || chaine(0,5)=="expo("
|| (lchain==5 && chaine(1,4)=="expo")
|| (lchain==6 && chaine(2,4)=="expo")
|| chaine(1,5)=="expo(" || chaine(2,5)=="expo(" ) {
chaine1ST=chaine;
if (chaine(1,4) == "expo") {
ctemp=chaine(0,1);
if (ctemp=="x") {
inter2=0;
if (fNdim < 1) fNdim = 1; }
else if (ctemp=="y") {
inter2=1;
if (fNdim < 2) fNdim = 2; }
else if (ctemp=="z") {
inter2=2;
if (fNdim < 3) fNdim = 3; }
else if (ctemp=="t") {
inter2=3;
if (fNdim < 4) fNdim = 4; }
else {
err=26; // unknown name;
chaine_error=chaine1ST;
}
chaine=chaine(1,lchain-1);
lchain=chaine.Length();
} else inter2=0;
if (chaine(2,4) == "expo") {
if (chaine(0,2) != "xy") {
err=26; // unknown name
chaine_error=chaine1ST;
}
else {
inter2=5;
if (fNdim < 2) fNdim = 2;
chaine=chaine(2,lchain-2);
lchain=chaine.Length();
}
}
if (lchain == 4) {
if (fNpar>=gMAXPAR) err=7; // too many parameters
if (!err) {
fExpr[fNoper] = chaine1ST;
actionCode = kexpo + inter2;
actionParam = offset;
SetAction(fNoper,actionCode,actionParam);
if (inter2 == 5+offset && fNpar < 3+offset) fNpar = 3+offset;
if (fNpar < 2+offset) fNpar = 2+offset;
if (fNpar>=gMAXPAR) err=7; // too many parameters
if (!err) {
fNoper++;
if (fNdim < 1) fNdim = 1;
if (fNpar == 2) SetNumber(200);
}
}
} else if (chaine(4,1) == "(") {
ctemp = chaine(5,lchain-6);
fExpr[fNoper] = chaine1ST;
for (j=0; j<ctemp.Length(); j++) {
t=ctemp[j];
if (strchr("0123456789",t)==0 && (ctemp(j,1)!="+" || j!=0)) {
err=20;
chaine_error=chaine1ST;
}
}
if (err==0) {
sscanf(ctemp.Data(),"%d",&inter);
if (inter>=0) {
inter += offset;
actionCode = kexpo + inter2;
actionParam = inter;
SetAction(fNoper,actionCode,actionParam);
if (inter2 == 5) inter++;
if (inter+2>fNpar) fNpar = inter+2;
if (fNpar>=gMAXPAR) err=7; // too many parameters
if (!err) fNoper++;
if (fNpar == 2) SetNumber(200);
} else err=20;
} else err = 20; // non integer value for parameter number
} else {
err=26; // unknown name
chaine_error=chaine;
}
//*-*- Look for gaus, xgaus,ygaus,xygaus
//*-* =================================
} else if (chaine=="gaus"
|| (lchain==5 && chaine(1,4)=="gaus")
|| (lchain==6 && chaine(2,4)=="gaus")
|| chaine(0,5)=="gaus(" || chaine(1,5)=="gaus(" || chaine(2,5)=="gaus(") {
chaine1ST=chaine;
if (chaine(1,4) == "gaus") {
ctemp=chaine(0,1);
if (ctemp=="x") {
inter2=0;
if (fNdim < 1) fNdim = 1; }
else if (ctemp=="y") {
inter2=1;
if (fNdim < 2) fNdim = 2; }
else if (ctemp=="z") {
inter2=2;
if (fNdim < 3) fNdim = 3; }
else if (ctemp=="t") {
inter2=3;
if (fNdim < 4) fNdim = 4; }
else {
err=26; // unknown name
chaine_error=chaine1ST;
}
chaine=chaine(1,lchain-1);
lchain=chaine.Length();
} else inter2=0;
if (chaine(2,4) == "gaus") {
if (chaine(0,2) != "xy") {
err=26; // unknown name
chaine_error=chaine1ST;
}
else {
inter2=5;
if (fNdim < 2) fNdim = 2;
chaine=chaine(2,lchain-2);
lchain=chaine.Length();
SetNumber(110); // xygaus
}
}
if (lchain == 4 && err==0) {
if (fNpar>=gMAXPAR) err=7; // too many parameters
if (!err) {