#!/bin/sh

if [ -n "$1" ]; then

compiler_cmd=$1

else

compiler_cmd="gcc"

fi

compiler_defs=$($compiler_cmd -dM -E - < /dev/null)

char_bit=$(echo "$compiler_defs" | grep __CHAR_BIT__ | cut -d' ' -f3)

# only set by compiler if -funsigned-char is specified

char_unsigned=$(echo "$compiler_defs" | grep __CHAR_UNSIGNED__ | cut -d' ' -f3)

if [ -n "$char_unsigned" ] && [ "$char_unsigned" -eq 1 ]; then

default_sign="unsigned"

else

default_sign="signed"

fi

# TODO

size_of_bool=

size_of_short=$(echo "$compiler_defs" | grep __SIZEOF_SHORT__ | cut -d' ' -f3)

size_of_int=$(echo "$compiler_defs" | grep __SIZEOF_INT__ | cut -d' ' -f3)

size_of_long=$(echo "$compiler_defs" | grep __SIZEOF_LONG__ | cut -d' ' -f3)

size_of_long_long=$(echo "$compiler_defs" | grep __SIZEOF_LONG_LONG__ | cut -d' ' -f3)

size_of_float=$(echo "$compiler_defs" | grep __SIZEOF_FLOAT__ | cut -d' ' -f3)

size_of_double=$(echo "$compiler_defs" | grep __SIZEOF_DOUBLE__ | cut -d' ' -f3)

size_of_long_double=$(echo "$compiler_defs" | grep __SIZEOF_LONG_DOUBLE__ | cut -d' ' -f3)

size_of_pointer=$(echo "$compiler_defs" | grep __SIZEOF_POINTER__ | cut -d' ' -f3)

size_of_size_t=$(echo "$compiler_defs" | grep __SIZEOF_SIZE_T__ | cut -d' ' -f3)

size_of_wchar_t=$(echo "$compiler_defs" | grep __SIZEOF_WCHAR_T__ | cut -d' ' -f3)

echo "<?xml version=\"1.0\"?>

<platform>

<char_bit>$char_bit</char_bit>

<default-sign>$default_sign</default-sign>

<sizeof>

<bool>$size_of_bool</bool>

<short>$size_of_short</short>

<int>$size_of_int</int>

<long>$size_of_long</long>

<long-long>$size_of_long_long</long-long>

<float>$size_of_float</float>

<double>$size_of_double</double>

<long-double>$size_of_long_double</long-double>

<pointer>$size_of_pointer</pointer>

<size_t>$size_of_size_t</size_t>

<wchar_t>$size_of_wchar_t</wchar_t>

</sizeof>

</platform>"