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authorAndreas Schwab <schwab@linux-m68k.org>2012-06-13 15:40:48 +0200
committerAndreas Schwab <schwab@linux-m68k.org>2012-06-13 15:40:48 +0200
commit646b5f55dfc28ea37a6605b060f67017cdb1aea8 (patch)
tree877cf977e28772931f3d9f3c6cdd05501efeb7c7 /admin/CPP-DEFINES
parentef62b23df5a7007c3d8c74dbca87ba83e9da682e (diff)
downloademacs-646b5f55dfc28ea37a6605b060f67017cdb1aea8.tar.gz
Use a simple struct to implement compile time checks for the Lisp_Object type
* configure.in: Rename --enable-use-lisp-union-type to --enable-check-lisp-object-type and define CHECK_LISP_OBJECT_TYPE instead of USE_LISP_UNION_TYPE. * admin/make-emacs: Rename --union-type to --check-lisp-type. Define CHECK_LISP_OBJECT_TYPE insted of USE_LISP_UNION_TYPE. * admin/CPP-DEFINES (DEBUG_LISP_OBJECT_TYPE): Renamed from USE_LISP_UNION_TYPE. * src/lisp.h (Lisp_Object) [CHECK_LISP_OBJECT_TYPE]: Define as struct instead of union. (XLI, XIL): Define. (XHASH, XTYPE, XINT, XUINT, make_number, XSET, XPNTR, XUNTAG): Use them. * src/emacs.c (gdb_use_struct): Renamed from gdb_use_union. * src/.gdbinit: Check gdb_use_struct instead of gdb_use_union. * src/alloc.c (widen_to_Lisp_Object): Removed. (mark_memory): Use XIL instead of widen_to_Lisp_Object. * src/frame.c (delete_frame): Remove outdated comment. * src/w32fns.c (Fw32_register_hot_key): Use XLI instead of checking USE_LISP_UNION_TYPE. (Fw32_unregister_hot_key): Likewise. (Fw32_toggle_lock_key): Likewise. * src/w32menu.c (add_menu_item): Likewise. (w32_menu_display_help): Use XIL instead of checking USE_LISP_UNION_TYPE. * src/w32heap.c (allocate_heap): Don't check USE_LISP_UNION_TYPE. (init_heap): Likewise. * src/w32term.c (w32_read_socket): Update comment.
Diffstat (limited to 'admin/CPP-DEFINES')
-rw-r--r--admin/CPP-DEFINES2
1 files changed, 1 insertions, 1 deletions
diff --git a/admin/CPP-DEFINES b/admin/CPP-DEFINES
index 738ec0a91a0..35de784f852 100644
--- a/admin/CPP-DEFINES
+++ b/admin/CPP-DEFINES
@@ -46,7 +46,7 @@ HAVE_PROCFS The /proc filesystem is supported.
REL_ALLOC Compile in the relocatable memory allocator ralloc.c.
SYSTEM_MALLOC Use the system library's malloc.
subprocesses System can use subprocesses (for M-x shell for example). Defined by default, only MSDOS undefines it.
-USE_LISP_UNION_TYPE Define it in lisp.h to make Lisp_Object be a union type instead of the default int.
+DEBUG_LISP_OBJECT_TYPE Define it in lisp.h enable compile time checks on Lisp_Object use.
** System specific macros, described in detail in src/s/template.h
CLASH_DETECTION