flush

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

diff --git a/m4/psi_macro.m4 b/m4/psi_macro.m4
new file mode 100644 (file)
index 0000000..439098f
--- /dev/null
+++ b/m4/psi_macro.m4
@@ -0,0 +1,26 @@
+dnl PSI_MACRO(macro, decl args, action-if-true)
+AC_DEFUN(PSI_MACRO, [
+       AC_CHECK_DECL(PSI_VAR_NAME($1)$2, [
+               $3
+               macro_type=PSI_VAR_TYPE($1)
+               macro_name=PSI_VAR_NAME($1)
+               ifelse([$2], [], [
+                       macro_decl="()"
+                       macro_call=""
+               ], [
+                       macro_decl="$2"
+                       macro_call="(m4_map_args_sep([PSI_VAR_NAME(], [)], [, ], m4_bregexp($2, [(\(.*\))], [\1])))"
+               ])
+               ifelse(PSI_VAR_TYPE($1), [void], [
+                       macro_body="$macro_name$macro_call;"
+               ], [
+                       macro_body="return $macro_name$macro_call;"
+               ])
+               psi_macro="$macro_type psi_macro_$macro_name$macro_decl { $macro_body }"
+               PSI_MACROS="$PSI_MACROS $psi_macro"
+               PSI_REDIR($macro_name, psi_macro_$macro_name)
+       ], [], PSI_INCLUDES)
+])
+
+dnl PSI_EXTVAR(type var)
+AC_DEFUN(PSI_EXTVAR, [PSI_MACRO($1)])