libgfortran/m4/iparm.m4

   1 dnl Support macro file for intrinsic functions.
   2 dnl Works out all the function types from the filename.
   3 dnl This file is part of the GNU Fortran 95 Runtime Library (libgfortran)
   4 dnl Distributed under the GNU GPL with exception.  See COPYING for details.
   5 dnl M4 macro file to get type names from filenames
   6 define(get_typename2, `GFC_$1_$2')dnl
   7 define(get_typename, `get_typename2(ifelse($1,i,INTEGER,ifelse($1,r,REAL,ifelse($1,l,LOGICAL,ifelse($1,c,COMPLEX,ifelse($1,s,INTEGER,unknown))))),`$2')')dnl
   8 define(get_arraytype, `gfc_array_$1$2')dnl
   9 define(define_type, `dnl
  10 ifelse(regexp($2,`^[0-9]'),-1,`dnl
  11 define($1_letter, substr($2, 0, 1))dnl
  12 define($1_kind, substr($2, 1))dnl
  13 ',`dnl
  14 define($1_letter,i)dnl
  15 define($1_kind,$2)dnl
  16 ')dnl
  17 define($1_code,$1_letter`'$1_kind)dnl
  18 define($1,get_arraytype($1_letter,$1_kind))dnl
  19 define($1_name, get_typename($1_letter, $1_kind))')dnl
  20 dnl
  21 define_type(atype, regexp(file, `_\(.?[0-9]*\)\.c$', `\1'))dnl
  22 define(rtype_tmp, regexp(file, `_\(.?[0-9]*\)_[^_]*\.c$', `\1'))dnl
  23 ifelse(rtype_tmp,,`dnl
  24 define_type(rtype, atype_code)dnl
  25 define(rtype_qual,`')dnl
  26 ',`dnl
  27 define_type(rtype, rtype_tmp)dnl
  28 define(rtype_qual,`_'rtype_kind)dnl
  29 ')dnl
  30 define(atype_max, atype_name`_HUGE')dnl
  31 define(atype_min,ifelse(regexp(file, `_\(.\)[0-9]*\.c$', `\1'),`i',`(-'atype_max`-1)',`-'atype_max))dnl
  32 define(atype_inf, atype_name`_INFINITY')dnl
  33 define(atype_nan, atype_name`_QUIET_NAN')dnl
  34 define(name, regexp(regexp(file, `[^/]*$', `\&'), `^\([^_]*\)_', `\1'))dnl
  35 define(`upcase', `translit(`$*', `a-z', `A-Z')')dnl
  36 define(`u_name',`regexp(upcase(name),`\([A-Z]*\)',`\1')')dnl
  37 define(rtype_ccode,ifelse(rtype_letter,`i',rtype_kind,rtype_code))dnl
  38 define(initval,ifelse(index(name,`maxval'),0,0,index(name,`minval'),0,255))dnl
  39 define(back_arg,ifelse(index(name,`maxloc'),0,``, GFC_LOGICAL_4 back'',dnl
  40 index(name,`minloc'),0,``, GFC_LOGICAL_4 back''))dnl