libstdc++-v3/mknumeric_limits

   1 #! /bin/sh
   2
   3 # mknumeric_limits: generates
   4 # - part of bits/std_limits.h completed by gen-num-limits.cc
   5 # - src/limitsMEMBERS.cc that contains the definition of various
   6 #   static data members of specialization of class template numeric_limits
   7 #
   8
   9 echo "running mknumeric_limits"
  10
  11 case `uname` in
  12     CYGWIN*)
  13         LDFLAGS='-nodefaultlibs -lcygwin -lc -lkernel32 -lgcc' ;;
  14     AIX*)
  15         case $CXX in
  16             *pthread*)
  17                 LDFLAGS='-nodefaultlibs -lgcc -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a' ;;
  18             *)
  19                 LDFLAGS='-nodefaultlibs -lgcc -lc' ;;
  20         esac
  21         ;;
  22     *)
  23         LDFLAGS='-nodefaultlibs -lgcc -lc' ;;
  24 esac
  25
  26 BUILD_DIR=$1
  27 if [ ! -d "$BUILD_DIR" ]; then
  28   echo "build directory $BUILD_DIR not found, exiting."
  29   exit 1
  30 fi
  31
  32 if [ ! -d "$BUILD_DIR/include" ]; then
  33   mkdir  "$BUILD_DIR/include"
  34 fi
  35
  36 if [ ! -d "$BUILD_DIR/include/bits" ]; then
  37   mkdir  "$BUILD_DIR/include/bits"
  38 fi
  39
  40 if [ ! -d "$BUILD_DIR/src" ]; then
  41   mkdir  "$BUILD_DIR/src"
  42 fi
  43
  44 OUT_H="$BUILD_DIR/include/bits/std_limits.h"
  45 OUT_C="$BUILD_DIR/src/limitsMEMBERS.cc"
  46
  47 if [ -f $OUT_C ]; then
  48     rm -f $OUT_H $OUT_C $OUT_H-t $OUT_C-t
  49 fi
  50
  51 SRC_DIR=$2
  52 if [ ! -d "$SRC_DIR" ]; then
  53   echo "source directory $SRC_DIR not found, exiting."
  54   exit 1
  55 fi
  56
  57 XCOMPILE=$3
  58 if [ $XCOMPILE -eq 1 ]; then
  59   echo "using default values for cross compiles"
  60   cp $SRC_DIR/include/bits/limits_generic.h $OUT_H
  61   cp $SRC_DIR/src/limits_generic.cc $OUT_C
  62   exit 0;
  63 fi
  64
  65 : ${CXX:="$BUILD_DIR/../../gcc/g++ -B$BUILD_DIR/../../gcc/"}
  66
  67 # We output to a temporary file, so that we don't appear to have
  68 # succeeded unless we actually do.
  69 cat <<EOF > $OUT_H-t
  70 // The template and inlines for the -*- C++ -*- numeric_limits classes.
  71
  72 // Copyright (C) 1999, 2000 Free Software Foundation, Inc.
  73 //
  74 // This file is part of the GNU ISO C++ Library.  This library is free
  75 // software; you can redistribute it and/or modify it under the
  76 // terms of the GNU General Public License as published by the
  77 // Free Software Foundation; either version 2, or (at your option)
  78 // any later version.
  79
  80 // This library is distributed in the hope that it will be useful,
  81 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  82 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  83 // GNU General Public License for more details.
  84
  85 // You should have received a copy of the GNU General Public License along
  86 // with this library; see the file COPYING.  If not, write to the Free
  87 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  88 // USA.
  89
  90 // As a special exception, you may use this file as part of a free software
  91 // library without restriction.  Specifically, if other files instantiate
  92 // templates or use macros or inline functions from this file, or you compile
  93 // this file and link it with other files to produce an executable, this
  94 // file does not by itself cause the resulting executable to be covered by
  95 // the GNU General Public License.  This exception does not however
  96 // invalidate any other reasons why the executable file might be covered by
  97 // the GNU General Public License.
  98
  99 // Note: this is not a conforming implementation.
 100 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
 101
 102 //
 103 // THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT!
 104 //
 105
 106 //
 107 // ISO 14882:1998
 108 // 18.2.1
 109 //
 110
 111 #ifndef _CPP_NUMERIC_LIMITS
 112 #define _CPP_NUMERIC_LIMITS 1
 113
 114 #include <bits/c++config.h>
 115 #include <bits/std_cfloat.h>
 116
 117 namespace std {
 118
 119     enum float_round_style {
 120         round_indeterminate       = -1,
 121         round_toward_zero         = 0,
 122         round_to_nearest          = 1,
 123         round_toward_infinity     = 2,
 124         round_toward_neg_infinity = 3
 125     };
 126
 127     enum float_denorm_style {
 128         denorm_indeterminate = -1,
 129         denorm_absent        = 0,
 130         denorm_present       = 1
 131     };
 132
 133     template<typename _Tp> struct numeric_limits {
 134         static const bool is_specialized = false;
 135
 136         static _Tp min() throw() { return static_cast<_Tp>(0); }
 137         static _Tp max() throw() { return static_cast<_Tp>(0); }
 138
 139         static const int digits = 0;
 140         static const int digits10 = 0;
 141         static const bool is_signed = false;
 142         static const bool is_integer = false;
 143         static const bool is_exact = false;
 144         static const int radix = 0;
 145
 146         static _Tp epsilon() throw() { return static_cast<_Tp>(0); }
 147         static _Tp round_error() throw() { return static_cast<_Tp>(0); }
 148
 149         static const int min_exponent = 0;
 150         static const int min_exponent10 = 0;
 151         static const int max_exponent = 0;
 152         static const int max_exponent10 = 0;
 153
 154         static const bool has_infinity = false;
 155         static const bool has_quiet_NaN = false;
 156         static const bool has_signaling_NaN = false;
 157         static const float_denorm_style has_denorm = denorm_absent;
 158         static const bool has_denorm_loss = false;
 159
 160         static _Tp infinity() throw()  { return static_cast<_Tp>(0); }
 161         static _Tp quiet_NaN() throw() { return static_cast<_Tp>(0); }
 162         static _Tp signaling_NaN() throw() { return static_cast<_Tp>(0); }
 163         static _Tp denorm_min() throw() { return static_cast<_Tp>(0); }
 164
 165         static const bool is_iec559 = false;
 166         static const bool is_bounded = false;
 167         static const bool is_modulo = false;
 168
 169         static const bool traps = false;
 170         static const bool tinyness_before = false;
 171         static const float_round_style round_style = round_toward_zero;
 172     };
 173
 174     template<typename _Tp> _Tp __limits_infinity();
 175     template<typename _Tp> _Tp __limits_quiet_NaN();
 176     template<typename _Tp> _Tp __limits_signaling_NaN();
 177     template<typename _Tp> _Tp __limits_denorm_min();
 178
 179 EOF
 180
 181 echo "$CXX -I. $CPPFLAGS -I$BUILD_DIR/include -DHAVE_CONFIG_H \
 182     -o "$BUILD_DIR/src/gen-num-limits" "$SRC_DIR/src/gen-num-limits.cc" \
 183      $LDFLAGS"
 184
 185 { $CXX -I. $CPPFLAGS -I$BUILD_DIR/include -DHAVE_CONFIG_H \
 186     -o "$BUILD_DIR/src/gen-num-limits" "$SRC_DIR/src/gen-num-limits.cc" \
 187      $LDFLAGS
 188 } || {
 189   echo "gen-num-limits failed to build, exiting."
 190   exit 1
 191 }
 192
 193 "$BUILD_DIR/src/gen-num-limits" >> $OUT_H-t
 194
 195 cat <<EOF >> $OUT_H-t
 196 } // namespace std
 197
 198 #endif // _CPP_NUMERIC_LIMITS
 199 EOF
 200
 201 trait_name=numeric_limits
 202
 203 cat <<EOF > $OUT_C-t
 204 // Static data members of -*- C++ -*- numeric_limits classes
 205
 206 // Copyright (C) 1999, 2000 Free Software Foundation, Inc.
 207 //
 208 // This file is part of the GNU ISO C++ Library.  This library is free
 209 // software; you can redistribute it and/or modify it under the
 210 // terms of the GNU General Public License as published by the
 211 // Free Software Foundation; either version 2, or (at your option)
 212 // any later version.
 213
 214 // This library is distributed in the hope that it will be useful,
 215 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 216 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 217 // GNU General Public License for more details.
 218
 219 // You should have received a copy of the GNU General Public License along
 220 // with this library; see the file COPYING.  If not, write to the Free
 221 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
 222 // USA.
 223
 224 // As a special exception, you may use this file as part of a free software
 225 // library without restriction.  Specifically, if other files instantiate
 226 // templates or use macros or inline functions from this file, or you compile
 227 // this file and link it with other files to produce an executable, this
 228 // file does not by itself cause the resulting executable to be covered by
 229 // the GNU General Public License.  This exception does not however
 230 // invalidate any other reasons why the executable file might be covered by
 231 // the GNU General Public License.
 232
 233 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
 234
 235 //
 236 // ISO C++ 14882:1998
 237 // 18.2.1
 238 //
 239
 240 #include <bits/std_limits.h>
 241 namespace std {
 242 EOF
 243
 244 for type_name in bool char 'signed char' 'unsigned char' \
 245             short 'unsigned short' int 'unsigned int' \
 246             long 'unsigned long' 'long long' 'unsigned long long' \
 247             float double 'long double'
 248     do
 249      grep "<$type_name>" $OUT_H-t >/dev/null 2>&1 || continue
 250      cat <<EOF >> $OUT_C-t
 251
 252     const bool $trait_name<$type_name>::is_specialized;
 253     const int  $trait_name<$type_name>::digits;
 254     const int  $trait_name<$type_name>::digits10;
 255     const bool $trait_name<$type_name>::is_signed;
 256     const bool $trait_name<$type_name>::is_integer;
 257     const bool $trait_name<$type_name>::is_exact;
 258     const int  $trait_name<$type_name>::radix;
 259     const int  $trait_name<$type_name>::min_exponent;
 260     const int  $trait_name<$type_name>::min_exponent10;
 261     const int  $trait_name<$type_name>::max_exponent;
 262     const int  $trait_name<$type_name>::max_exponent10;
 263     const bool $trait_name<$type_name>::has_infinity;
 264     const bool $trait_name<$type_name>::has_quiet_NaN;
 265     const bool $trait_name<$type_name>::has_signaling_NaN;
 266     const float_denorm_style $trait_name<$type_name>::has_denorm;
 267     const bool $trait_name<$type_name>::has_denorm_loss;
 268     const bool $trait_name<$type_name>::is_iec559;
 269     const bool $trait_name<$type_name>::is_bounded;
 270     const bool $trait_name<$type_name>::is_modulo;
 271     const bool $trait_name<$type_name>::traps;
 272     const bool $trait_name<$type_name>::tinyness_before;
 273     const float_round_style $trait_name<$type_name>::round_style;
 274 EOF
 275
 276 done
 277
 278 cat <<EOF >> $OUT_C-t
 279 } // namespace std
 280
 281
 282 EOF
 283
 284 mv $OUT_C-t $OUT_C
 285 mv $OUT_H-t $OUT_H