X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fpsi_type.m4;h=6324c75e5da342e6d0f47b16795875701aefa6fa;hb=81b71a515e2024cee739deb6e207eb3b0e7c5d64;hp=3b0a22efc0bff960e3645332983e5d68c42649a0;hpb=2421d323be79e4a811a4197914330a8c0124b130;p=m6w6%2Fext-psi

diff --git a/m4/psi_type.m4 b/m4/psi_type.m4
index 3b0a22e..6324c75 100644
--- a/m4/psi_type.m4
+++ b/m4/psi_type.m4
@@ -7,7 +7,7 @@ psi_type_pair() {
 		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"
+		#eval AS_TR_SH([psi_standard_type_]$1)="${psi_type_lower}${psi_type_bits}_t"
 		;;
 	struct*)
 		echo "PSI_T_STRUCT, \"$2\""
@@ -21,16 +21,16 @@ psi_type_pair() {
 	esac
 }
 
-dnl PSI_TYPE(type name, basic type, includes)
+dnl PSI_TYPE(type name, basic type)
 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=$2
+	psi_basic_type=AS_TR_SH($2)
 	case $psi_basic_type in
 	int)
 		AX_CHECK_SIGN($1, :, [
 			psi_basic_type=uint
-		], $psi_header)
+		], PSI_INCLUDES)
 		;;
 	sint)
 		psi_basic_type=int
@@ -38,7 +38,45 @@ AC_DEFUN(PSI_TYPE, [
 	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\"}, $PSI_TYPES"
+		cat >>$PSI_TYPES <<<"	{`psi_type_pair $psi_basic_type $AS_TR_SH([ac_cv_sizeof_]$1)`, \"$1\"}, "
+	fi
+])
+
+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
+		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@:>@;], [
+				psi_type_class=scalar
+			], [
+				AC_TRY_COMPILE(PSI_INCLUDES, [$1 test = 0;], [
+					AC_TRY_COMPILE(PSI_INCLUDES, [$1 test = (($1)0)+1;], [
+						psi_type_class="pointer of known type"
+					], [
+						psi_type_class="pointer of opaque type"
+					])
+				], [
+					psi_type_class=struct
+				])
+			])
+			AS_TR_SH([psi_cv_type_class_]$1)="$psi_type_class"
+		])
+		case "$AS_TR_SH([psi_cv_type_class_]$1)" in
+		scalar)
+			PSI_TYPE($1, int)
+			;;
+		struct)
+			PSI_STRUCT($1)
+			;;
+		pointer*)
+			cat >>$PSI_TYPES <<<"	{PSI_T_POINTER, \"void\", \"$1\"}, "
+			;;
+		*)
+			AC_MSG_WARN(could not detect type class of $1)
+			;;
+		esac
 	fi
 ])
 
@@ -58,32 +96,32 @@ 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)
 AC_DEFUN(PSI_TYPE_INDIRECTION, [
-	AC_MSG_CHECKING(indirection of $1)
-	m4_define([pointer_level], m4_len(m4_bpatsubst([PSI_VAR_TYPE($1)], [[^*]])))
-	m4_define([array_size], [m4_bregexp([PSI_VAR_TYPE($1)], [@<:@\([0-9]+\)@:>@], [\1])])
-	
-	ifelse(array_size.$2,0., [
+	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])])
+
+	ifelse(psi_array_size.$2,0., [
 		AC_MSG_ERROR([cannot compute dynamic array size of a non-struct member])
 	], [
-		ifelse(pointer_level,0,[
-			m4_define([type_size],[$]AS_TR_SH([ac_cv_sizeof_]m4_bregexp(PSI_VAR_TYPE([$1]), [^\( \|\w\)+], [\&])))
+		ifelse(psi_pointer_level,0,[
+			m4_define([psi_type_size],[$]AS_TR_SH([ac_cv_sizeof_]m4_bregexp(PSI_VAR_TYPE([$1]), [^\( \|\w\)+], [\&])))
 		],[
-			m4_define([type_size],$ac_cv_sizeof_void_p)
+			m4_define([psi_type_size],$ac_cv_sizeof_void_p)
 		])
 	])
-	
-	m4_case(array_size,,[
-		$3=pointer_level
+
+	m4_case(psi_array_size,,[
+		$3=psi_pointer_level
 		$4=0]
 	,0,[
-		$3=m4_incr(pointer_level)
-		$4="`expr $2 / type_size`"
+		$3=m4_incr(psi_pointer_level)
+		$4="`expr $2 / psi_type_size`"
 	], [
-		$3=m4_incr(pointer_level)
-		$4=array_size
+		$3=m4_incr(psi_pointer_level)
+		$4=psi_array_size
 	])
-	
-	AC_MSG_RESULT([[$]$3, [$]$4])
+
+	dnl AC_MSG_RESULT([[$]$3, [$]$4])
 ])
 
 AC_DEFUN(PSI_TYPE_PAIR, [m4_case(m4_bregexp([$1], [^\w+], [\&]),