496 static unsigned PluralNumber(const char *&Start, const char *End) {  in PluralNumber()  argument
499   while (Start != End && *Start >= '0' && *Start <= '9') {  in PluralNumber()
501     Val += *Start - '0';  in PluralNumber()
502     ++Start;  in PluralNumber()
508 static bool TestPluralRange(unsigned Val, const char *&Start, const char *End) {  in TestPluralRange()  argument
509   if (*Start != '[') {  in TestPluralRange()
510     unsigned Ref = PluralNumber(Start, End);  in TestPluralRange()
514   ++Start;  in TestPluralRange()
515   unsigned Low = PluralNumber(Start, End);  in TestPluralRange()
516   assert(*Start == ',' && "Bad plural expression syntax: expected ,");  in TestPluralRange()
517   ++Start;  in TestPluralRange()
518   unsigned High = PluralNumber(Start, End);  in TestPluralRange()
519   assert(*Start == ']' && "Bad plural expression syntax: expected )");  in TestPluralRange()
520   ++Start;  in TestPluralRange()
525 static bool EvalPluralExpr(unsigned ValNo, const char *Start, const char *End) {  in EvalPluralExpr()  argument
527   if (*Start == ':')  in EvalPluralExpr()
531     char C = *Start;  in EvalPluralExpr()
534       ++Start;  in EvalPluralExpr()
535       unsigned Arg = PluralNumber(Start, End);  in EvalPluralExpr()
536       assert(*Start == '=' && "Bad plural expression syntax: expected =");  in EvalPluralExpr()
537       ++Start;  in EvalPluralExpr()
539       if (TestPluralRange(ValMod, Start, End))  in EvalPluralExpr()
545       if (TestPluralRange(ValNo, Start, End))  in EvalPluralExpr()
550     Start = std::find(Start, End, ',');  in EvalPluralExpr()
551     if (Start == End)  in EvalPluralExpr()
553     ++Start;  in EvalPluralExpr()