271 lines
8.9 KiB
Bash
Executable File
271 lines
8.9 KiB
Bash
Executable File
#! /bin/sh
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# mknumeric_limits: generates
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# - part of bits/std_limits.h completed by gen-num-limits.cc
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# - src/limitsMEMBERS.cc that contains the definition of various
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# static data members of specialization of class template numeric_limits
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#
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echo "running mknumeric_limits"
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BUILD_DIR=$1
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if [ ! -d "$BUILD_DIR" ]; then
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echo "build directory $BUILD_DIR not found, exiting."
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exit 1
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fi
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if [ ! -d "$BUILD_DIR/include" ]; then
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mkdir "$BUILD_DIR/include"
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fi
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if [ ! -d "$BUILD_DIR/include/bits" ]; then
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mkdir "$BUILD_DIR/include/bits"
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fi
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if [ ! -d "$BUILD_DIR/src" ]; then
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mkdir "$BUILD_DIR/src"
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fi
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OUT_H="$BUILD_DIR/include/bits/std_limits.h"
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OUT_C="$BUILD_DIR/src/limitsMEMBERS.cc"
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if [ -f $OUT_C ]; then
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rm -f $OUT_H $OUT_C $OUT_H-t $OUT_C-t
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fi
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SRC_DIR=$2
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if [ ! -d "$SRC_DIR" ]; then
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echo "source directory $SRC_DIR not found, exiting."
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exit 1
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fi
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XCOMPILE=$3
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if [ $XCOMPILE -eq 1 ]; then
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echo "using default values for cross compiles"
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cp $SRC_DIR/include/bits/limits_generic.h $OUT_H
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cp $SRC_DIR/src/limits_generic.cc $OUT_C
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exit 0;
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fi
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CC=${CC="$BUILD_DIR/../../gcc/xgcc -B$BUILD_DIR/../../gcc/"}
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# We output to a temporary file, so that we don't appear to have
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# succeeded unless we actually do.
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cat <<EOF > $OUT_H-t
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// The template and inlines for the -*- C++ -*- numeric_limits classes.
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// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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// Note: this is not a conforming implementation.
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// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
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//
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// THIS FILE IS AUTOMATICALLY GENERATED. DO NOT EDIT!
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//
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//
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// ISO 14882:1998
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// 18.2.1
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//
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#ifndef _CPP_NUMERIC_LIMITS
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#define _CPP_NUMERIC_LIMITS 1
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#include <bits/c++config.h>
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#include <bits/std_cfloat.h>
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namespace std {
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enum float_round_style {
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round_indeterminate = -1,
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round_toward_zero = 0,
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round_to_nearest = 1,
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round_toward_infinity = 2,
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round_toward_neg_infinity = 3
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};
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enum float_denorm_style {
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denorm_indeterminate = -1,
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denorm_absent = 0,
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denorm_present = 1
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};
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template<typename _Tp> struct numeric_limits {
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static const bool is_specialized = false;
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static _Tp min() throw() { return static_cast<_Tp>(0); }
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static _Tp max() throw() { return static_cast<_Tp>(0); }
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static const int digits = 0;
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static const int digits10 = 0;
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static const bool is_signed = false;
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static const bool is_integer = false;
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static const bool is_exact = false;
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static const int radix = 0;
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static _Tp epsilon() throw() { return static_cast<_Tp>(0); }
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static _Tp round_error() throw() { return static_cast<_Tp>(0); }
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static const int min_exponent = 0;
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static const int min_exponent10 = 0;
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static const int max_exponent = 0;
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static const int max_exponent10 = 0;
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static const bool has_infinity = false;
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static const bool has_quiet_NaN = false;
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static const bool has_signaling_NaN = false;
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static const float_denorm_style has_denorm = denorm_absent;
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static const bool has_denorm_loss = false;
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static _Tp infinity() throw() { return static_cast<_Tp>(0); }
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static _Tp quiet_NaN() throw() { return static_cast<_Tp>(0); }
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static _Tp signaling_NaN() throw() { return static_cast<_Tp>(0); }
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static _Tp denorm_min() throw() { return static_cast<_Tp>(0); }
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static const bool is_iec559 = false;
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static const bool is_bounded = false;
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static const bool is_modulo = false;
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static const bool traps = false;
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static const bool tinyness_before = false;
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static const float_round_style round_style = round_toward_zero;
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};
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template<typename _Tp> _Tp __limits_infinity();
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template<typename _Tp> _Tp __limits_quiet_NaN();
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template<typename _Tp> _Tp __limits_signaling_NaN();
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template<typename _Tp> _Tp __limits_denorm_min();
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EOF
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# Must turn off exceptions, because the C++ exception handling support
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# routines have not been built yet.
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echo "$CC -I. $CPPFLAGS -I$BUILD_DIR/include -DHAVE_CONFIG_H -fno-exceptions \
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-o $BUILD_DIR/src/gen-num-limits $SRC_DIR/src/gen-num-limits.cc"
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{ $CC -I. $CPPFLAGS -I$BUILD_DIR/include -DHAVE_CONFIG_H -fno-exceptions \
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-o "$BUILD_DIR/src/gen-num-limits" "$SRC_DIR/src/gen-num-limits.cc"
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} || {
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echo "gen-num-limits failed to build, exiting."
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exit 1
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}
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"$BUILD_DIR/src/gen-num-limits" >> $OUT_H-t
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cat <<EOF >> $OUT_H-t
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} // namespace std
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#endif // _CPP_NUMERIC_LIMITS
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EOF
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trait_name=numeric_limits
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cat <<EOF > $OUT_C-t
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// Static data members of -*- C++ -*- numeric_limits classes
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// Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
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//
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// ISO C++ 14882:1998
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// 18.2.1
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//
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#include <bits/std_limits.h>
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namespace std {
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EOF
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for type_name in bool char 'signed char' 'unsigned char' \
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short 'unsigned short' int 'unsigned int' \
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long 'unsigned long' 'long long' 'unsigned long long' \
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float double 'long double'
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do
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grep "<$type_name>" $OUT_H-t >/dev/null 2>&1 || continue
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cat <<EOF >> $OUT_C-t
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const bool $trait_name<$type_name>::is_specialized;
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const int $trait_name<$type_name>::digits;
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const int $trait_name<$type_name>::digits10;
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const bool $trait_name<$type_name>::is_signed;
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const bool $trait_name<$type_name>::is_integer;
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const bool $trait_name<$type_name>::is_exact;
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const int $trait_name<$type_name>::radix;
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const int $trait_name<$type_name>::min_exponent;
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const int $trait_name<$type_name>::min_exponent10;
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const int $trait_name<$type_name>::max_exponent;
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const int $trait_name<$type_name>::max_exponent10;
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const bool $trait_name<$type_name>::has_infinity;
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const bool $trait_name<$type_name>::has_quiet_NaN;
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const bool $trait_name<$type_name>::has_signaling_NaN;
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const float_denorm_style $trait_name<$type_name>::has_denorm;
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const bool $trait_name<$type_name>::has_denorm_loss;
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const bool $trait_name<$type_name>::is_iec559;
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const bool $trait_name<$type_name>::is_bounded;
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const bool $trait_name<$type_name>::is_modulo;
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const bool $trait_name<$type_name>::traps;
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const bool $trait_name<$type_name>::tinyness_before;
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const float_round_style $trait_name<$type_name>::round_style;
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EOF
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done
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cat <<EOF >> $OUT_C-t
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} // namespace std
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EOF
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mv $OUT_C-t $OUT_C
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mv $OUT_H-t $OUT_H
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