Use functions and constants to manipulate Lisp_Save_Value objects.

[bpt/emacs.git] / src / ChangeLog

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 2013-03-21  Paul Eggert  <eggert@cs.ucla.edu>
 
+       Use functions and constants to manipulate Lisp_Save_Value objects.
+       This replaces code that used macros and strings and token-pasting.
+       The change makes the C source a bit easier to follow,
+       and shrinks the Emacs executable a bit.
+       * alloc.c: Verify some properties of Lisp_Save_Value's representation.
+       (make_save_value): Change 1st arg from string to enum.  All callers
+       changed.
+       (INTX): Remove.
+       (mark_object): Use if, not #if, for GC_MARK_STACK.
+       * lisp.h (SAVE_VALUEP, XSAVE_VALUE, XSAVE_POINTER, XSAVE_INTEGER)
+       (XSAVE_OBJECT): Now functions, not macros.
+       (STRING_BYTES_BOUND): Now just a macro, not a constant too;
+       the constant was never used.
+       (SAVE_SLOT_BITS, SAVE_VALUE_SLOTS, SAVE_TYPE_BITS, SAVE_TYPE_INT_INT)
+       (SAVE_TYPE_INT_INT_INT, SAVE_TYPE_OBJ_OBJ, SAVE_TYPE_OBJ_OBJ_OBJ)
+       (SAVE_TYPE_OBJ_OBJ_OBJ_OBJ, SAVE_TYPE_PTR_INT, SAVE_TYPE_PTR_OBJ)
+       (SAVE_TYPE_PTR_PTR, SAVE_TYPE_PTR_PTR_OBJ, SAVE_TYPE_MEMORY):
+       New constants.
+       (struct Lisp_Save_Value): Replace members area, type0, type1, type2,
+       type3 with a single member save_type.  All uses changed.
+       (save_type, set_save_pointer, set_save_integer): New functions.
+       * print.c (PRINTX): Remove.
+
        * alloc.c: Remove redundant static declarations.
 
 2013-03-20  Dmitry Antipov  <dmantipov@yandex.ru>