+# psi_add_type(type triplet)
+# Add a pre-defined type to $PSI_TYPES.
+psi_add_type() {
+ cat >>$PSI_TYPES <<<" $1, "
+}
+
# psi_type_pair(type, size)
+# Output a PSI_T_<TYPE>, \"<TYPENAME>\" tuple.
+# Uses stdint types when possible.
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`
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\""
}
dnl PSI_TYPE(type name, basic type)
+dnl Check for a specific type, optionally referring to a basic type.
+dnl Calls AC_TYPE_<TYPE> (if defined) and PSI_CHECK_SIZEOF.
+dnl If the basic type is just specified as "int" (in contrast to "sint" or
+dnl "uint"), AX_CHECK_SIGN is used to discover signedness of the type.
+dnl Defines a pre-defined type in $PSI_TYPES.
AC_DEFUN(PSI_TYPE, [
ifdef(AS_TR_CPP(AC_TYPE_$1), AS_TR_CPP(AC_TYPE_$1))
PSI_CHECK_SIZEOF($1, PSI_INCLUDES)
psi_basic_type=AS_TR_SH($2)
case $psi_basic_type in
int)
- AX_CHECK_SIGN($1, :, [
- psi_basic_type=uint
- ], PSI_INCLUDES)
+ AX_CHECK_SIGN($1, :, [psi_basic_type=uint], PSI_INCLUDES)
;;
sint)
psi_basic_type=int
;;
esac
- if test "$2" && test "$AS_TR_SH([ac_cv_sizeof_]$1)" -gt 0; then
+ if test "$2" && PSI_SH_TEST_SIZEOF($1); then
AS_TR_SH(psi_basic_type_$1)=$psi_basic_type
- cat >>$PSI_TYPES <<<" {`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}, "
+ psi_add_type "{`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}"
+ #cat >>$PSI_TYPES <<<"{`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}, "
fi
])
+dnl PSI_OPAQUE_TYPE(type name)
+dnl Checks a type for being a scalar, a struct or a pointer type.
+dnl Calls AC_TYPE_<TYPE> (if defined) and PSI_CHECK_SIZEOF.
+dnl Defines a pre-defined type in $PSI_TYPES and a pre-defined struct in
+dnl $PSI_STRUCTS if the type is a struct.
AC_DEFUN(PSI_OPAQUE_TYPE, [
ifdef(AS_TR_CPP(AC_TYPE_$1), AS_TR_CPP(AC_TYPE_$1))
PSI_CHECK_SIZEOF($1, PSI_INCLUDES)
- if test "$AS_TR_SH([ac_cv_sizeof_]$1)" -gt 0; then
+ if PSI_SH_TEST_SIZEOF($1); then
psi_type_class=
AC_CACHE_CHECK(type class of $1, AS_TR_SH([psi_cv_type_class_]$1), [
AC_TRY_COMPILE(PSI_INCLUDES, [char test@<:@($1)1@:>@;], [
])
case "$AS_TR_SH([psi_cv_type_class_]$1)" in
scalar)
- PSI_TYPE($1, int)
+ AX_CHECK_SIGN($1, [psi_basic_type=int], [psi_basic_type=uint], PSI_INCLUDES)
+ psi_add_type "{`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}"
+ #cat >>$PSI_TYPES <<<" {`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}, "
;;
struct)
PSI_STRUCT($1)
;;
pointer*)
- cat >>$PSI_TYPES <<<" {PSI_T_POINTER, \"void\", \"$1\"}, "
+ psi_add_type "{PSI_T_POINTER, \"void\", \"$1\"}"
+ #cat >>$PSI_TYPES <<<" {PSI_T_POINTER, \"void\", \"$1\"}, "
;;
*)
AC_MSG_WARN(could not detect type class of $1)
fi
])
-dnl unsigned char* buf[16] -> unsigned char*
-dnl AC_DEFUN(PSI_VAR_TYPE, [m4_bregexp([$1], [\(\(struct \)?[^ ]+\)[ *]+[^ ]+$], [\1])])
+dnl PSI_VAR_TYPE(decl arg)
+dnl Extracts the type of a decl arg, e.g. dnl unsigned char* buf[16] -> unsigned char*.
AC_DEFUN(PSI_VAR_TYPE, [m4_bregexp([$1], [^\(const \)?\(.*\) \([*]*\)[^ ]+$], [\2\3])])
-dnl unsigned char* buf[16] -> buf
+
+dnl PSI_VAR_NAME(decl arg)
+dnl Extracts the var name of a decl arg, e.g. 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)`])
-dnl PSI_TYPE_INDIRECTION(type, size, pointer_level_var, array_size_var)
+dnl PSI_TYPE_INDIRECTION(decl arg, size, pointer_level_var, array_size_var)
+dnl Calculates and assigns pointer_level and array_size of a decl arg to sh vars.
AC_DEFUN(PSI_TYPE_INDIRECTION, [
- dnl AC_MSG_CHECKING(indirection of $1)
m4_define([psi_pointer_level], m4_len(m4_bpatsubst([PSI_VAR_TYPE($1)], [[^*]])))
m4_define([psi_array_size], [m4_bregexp([PSI_VAR_TYPE($1)], [@<:@\([0-9]+\)@:>@], [\1])])
$3=m4_incr(psi_pointer_level)
$4=psi_array_size
])
-
- dnl AC_MSG_RESULT([[$]$3, [$]$4])
])
+dnl PSI_TYPE_PAIR(type)
+dnl Expand to a PSI_T_<TYPE>, \\"<TYPENAME>\\" tuple.
+dnl FIXME: There is also psi_type_pair()?
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, \"m4_bregexp([$1], [^\(\w+ \)*\w+], [\&])\"])])
+dnl PSI_CHECK_STD_TYPES()
+dnl Checks for standard ANSI-C and stdint types.
AC_DEFUN(PSI_CHECK_STD_TYPES, [
AC_CHECK_HEADERS(stdint.h)
PSI_TYPE(unsigned long, uint)
PSI_TYPE(unsigned long int, uint)
PSI_TYPE(long long, int)
- PSI_TYPE(long long int, int)
PSI_TYPE(signed long long, int)
PSI_TYPE(signed long long int, int)
PSI_TYPE(unsigned long long, uint)
PSI_TYPE(unsigned long long int, uint)
+ dnl this must come after the check fo "unsigned long long int"; autoconf, wth?
+ PSI_TYPE(long long int, int)
])
projects / m6w6 / ext-psi / blobdiff