flush

[m6w6/ext-psi] / m4 / psi_type.m4

diff --git a/m4/psi_type.m4 b/m4/psi_type.m4
new file mode 100644 (file)
index 0000000..2cd9191
--- /dev/null
+++ b/m4/psi_type.m4
@@ -0,0 +1,107 @@
+# psi_type_pair(type, size)
+psi_type_pair() {
+       local psi_type_name=`tr -cd A-Za-z0-9_ <<<$1`
+       local psi_type_lower=`tr A-Z a-z <<<$psi_type_name`
+       case $psi_type_lower in
+       int*|uint*)
+               local psi_type_upper=`tr a-z A-Z <<<$psi_type_name`
+               local psi_type_bits=`expr $2 \* 8`
+               echo "PSI_T_${psi_type_upper}${psi_type_bits}, \"${psi_type_lower}${psi_type_bits}_t\""
+               eval AS_TR_SH([psi_standard_type_]$1)="${psi_type_lower}${psi_type_bits}_t"
+               ;;
+       struct*)
+               echo "PSI_T_STRUCT, \"$2\""
+               ;;
+       void)
+               echo "PSI_T_VOID, \"void\""
+               ;;
+       *)
+               echo "PSI_T_NAME, \"$psi_type_name\""
+               ;;
+       esac
+}
+
+dnl PSI_TYPE(type name, basic type, includes)
+AC_DEFUN(PSI_TYPE, [
+       ifdef(AS_TR_CPP(AC_TYPE_$1), AS_TR_CPP(AC_TYPE_$1))
+       AC_CHECK_SIZEOF($1, [], PSI_INCLUDES)
+       psi_basic_type=$2
+       case $psi_basic_type in
+       int)
+               AX_CHECK_SIGN($1, :, [
+                       psi_basic_type=uint
+               ], $psi_header)
+               ;;
+       sint)
+               psi_basic_type=int
+               ;;
+       esac
+       if test "$2" && test "$AS_TR_SH([ac_cv_sizeof_]$1)" -gt 0; then
+               AS_TR_SH(psi_basic_type_$1)=$psi_basic_type
+               PSI_TYPES="{`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}, $PSI_TYPES"
+       fi
+])
+
+dnl unsigned char* buf[16] -> char
+AC_DEFUN(PSI_VAR_TYPE, [m4_bregexp([$1], [\(\(struct \)?[^ ]+\)[ *]+[^ ]+$], [\1])])
+dnl unsigned char* buf[16] -> buf
+AC_DEFUN(PSI_VAR_NAME, [m4_bregexp(m4_bregexp([$1], [\([^ ]+\)$], [\1]), [\w+], [\&])])
+dnl PSI_TYPE_SIZE(type, pointer level, array size)
+AC_DEFUN(PSI_TYPE_SIZE, [ifelse(
+       [$3], 0,
+               [ifelse([$2], 0, $AS_TR_SH([ac_cv_sizeof_]$1), $ac_cv_sizeof_void_p)],
+               [ifelse([$2], 1, [`expr $3 \* $AS_TR_SH([ac_cv_sizeof_]$1)`], $ac_cv_sizeof_void_p)]
+)])
+dnl PSI_TYPE_BITS(type)
+AC_DEFUN(PSI_TYPE_BITS, [`expr 8 \* $AS_TR_SH([ac_cv_sizeof_]$1)`])
+
+AC_DEFUN(PSI_TYPE_PAIR, [m4_case(m4_bregexp([$1], [^\w+], [\&]),
+       [void], [PSI_T_VOID, \"void\"],
+       [struct], [PSI_T_STRUCT, \"m4_bregexp([$1], [^struct \(\w+\)], [\1])\"],
+       [PSI_T_NAME, \"$1\"])])
+
+AC_DEFUN(PSI_CHECK_STD_TYPES, [
+       AC_CHECK_HEADERS(stdint.h)
+
+       AC_TYPE_INT8_T
+       AC_CHECK_SIZEOF(int8_t)
+       AC_CHECK_ALIGNOF(int8_t)
+       AC_TYPE_UINT8_T
+       AC_CHECK_SIZEOF(uint8_t)
+       AC_CHECK_ALIGNOF(uint8_t)
+       AC_TYPE_INT16_T
+       AC_CHECK_SIZEOF(int16_t)
+       AC_CHECK_ALIGNOF(int16_t)
+       AC_TYPE_UINT16_T
+       AC_CHECK_SIZEOF(uint16_t)
+       AC_CHECK_ALIGNOF(uint16_t)
+       AC_TYPE_INT32_T
+       AC_CHECK_SIZEOF(int32_t)
+       AC_CHECK_ALIGNOF(int32_t)
+       AC_TYPE_UINT32_T
+       AC_CHECK_SIZEOF(uint32_t)
+       AC_CHECK_ALIGNOF(uint32_t)
+       AC_TYPE_INT64_T
+       AC_CHECK_SIZEOF(int64_t)
+       AC_CHECK_ALIGNOF(int64_t)
+       AC_TYPE_UINT64_T
+       AC_CHECK_SIZEOF(uint64_t)
+       AC_CHECK_ALIGNOF(uint64_t)
+
+       PSI_TYPE(float)
+       AC_CHECK_ALIGNOF(float)
+       PSI_TYPE(double)
+       AC_CHECK_ALIGNOF(double)
+       PSI_TYPE(void *)
+       AC_CHECK_ALIGNOF(void *)
+
+       PSI_TYPE(char, int)
+       PSI_TYPE(unsigned char, uint)
+       PSI_TYPE(short, int)
+       PSI_TYPE(unsigned short, uint)
+       PSI_TYPE(int, int)
+       PSI_TYPE(unsigned int, uint)
+       PSI_TYPE(unsigned, uint)
+       PSI_TYPE(long, int)
+       PSI_TYPE(unsigned long, uint)
+])