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Diffstat (limited to 'src/ChangeLog')
| -rw-r--r-- | src/ChangeLog | 74 |
1 files changed, 72 insertions, 2 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index 27cc282145..3c2a39cb7c 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,9 +1,79 @@ +2010-04-20 Stefan Monnier <[email protected]> + + Make variable forwarding explicit rather the using special values. + Basically, this makes the structure of buffer-local values and object + forwarding explicit in the type of Lisp_Symbols rather than use + special Lisp_Objects for that. This tends to lead to slightly more + verbose code, but is more C-like, simpler, and makes it easier to make + sure we handled all cases, among other things by letting the compiler + help us check it. + * lisp.h (enum Lisp_Misc_Type, union Lisp_Misc): + Removing forwarding objects. + (enum Lisp_Fwd_Type, enum symbol_redirect, union Lisp_Fwd): New types. + (struct Lisp_Symbol): Make the various forms of variable-forwarding + explicit rather than hiding them inside Lisp_Object "values". + (XFWDTYPE): New macro. + (XINTFWD, XBOOLFWD, XOBJFWD, XKBOARD_OBJFWD): Redefine. + (XBUFFER_LOCAL_VALUE): Remove. + (SYMBOL_VAL, SYMBOL_ALIAS, SYMBOL_BLV, SYMBOL_FWD, SET_SYMBOL_VAL) + (SET_SYMBOL_ALIAS, SET_SYMBOL_BLV, SET_SYMBOL_FWD): New macros. + (SYMBOL_VALUE, SET_SYMBOL_VALUE): Remove. + (struct Lisp_Intfwd, struct Lisp_Boolfwd, struct Lisp_Objfwd) + (struct Lisp_Buffer_Objfwd, struct Lisp_Kboard_Objfwd): + Remove the Lisp_Misc_* header. + (struct Lisp_Buffer_Local_Value): Redefine. + (BLV_FOUND, SET_BLV_FOUND, BLV_VALUE, SET_BLV_VALUE): New macros. + (struct Lisp_Misc_Any): Add filler to get the right size. + (struct Lisp_Free): Use struct Lisp_Misc_Any rather than struct + Lisp_Intfwd. + (DEFVAR_LISP, DEFVAR_LISP_NOPRO, DEFVAR_BOOL, DEFVAR_INT) + (DEFVAR_KBOARD): Allocate a forwarding object. + * data.c (do_blv_forwarding, store_blv_forwarding): New macros. + (let_shadows_global_binding_p): New function. + (union Lisp_Val_Fwd): New type. + (make_blv): New function. + (swap_in_symval_forwarding, indirect_variable, do_symval_forwarding) + (store_symval_forwarding, swap_in_global_binding, Fboundp) + (swap_in_symval_forwarding, find_symbol_value, Fset) + (let_shadows_buffer_binding_p, set_internal, default_value) + (Fset_default, Fmake_variable_buffer_local, Fmake_local_variable) + (Fkill_local_variable, Fmake_variable_frame_local) + (Flocal_variable_p, Flocal_variable_if_set_p) + (Fvariable_binding_locus): + * xdisp.c (select_frame_for_redisplay): + * lread.c (Fintern, Funintern, init_obarray, defvar_int) + (defvar_bool, defvar_lisp_nopro, defvar_lisp, defvar_kboard): + * frame.c (store_frame_param): + * eval.c (Fdefvaralias, Fuser_variable_p, specbind, unbind_to): + * bytecode.c (Fbyte_code) <varref, varset>: Adapt to the new symbol + value structure. + * buffer.c (PER_BUFFER_SYMBOL): Move from buffer.h. + (clone_per_buffer_values): Only adjust markers into the current buffer. + (reset_buffer_local_variables): PER_BUFFER_IDX is never -2. + (Fbuffer_local_value, set_buffer_internal_1) + (swap_out_buffer_local_variables): + Adapt to the new symbol value structure. + (DEFVAR_PER_BUFFER): Allocate a Lisp_Buffer_Objfwd object. + (defvar_per_buffer): Take a new arg for the fwd object. + (buffer_lisp_local_variables): Return a proper alist (different fix + for bug#4138). + * alloc.c (Fmake_symbol): Use SET_SYMBOL_VAL. + (Fgarbage_collect): Don't handle buffer_defaults specially. + (mark_object): Handle new symbol value structure rather than the old + special Lisp_Misc_* objects. + (gc_sweep) <symbols>: Free also the buffer-local-value objects. + * term.c (set_tty_color_mode): + * bidi.c (bidi_initialize): Don't access the ->value field directly. + * buffer.h (PER_BUFFER_VAR_OFFSET): Don't bother with + a buffer_local_flags. + * print.c (print_object): Get rid of impossible forwarding objects. + 2010-04-19 Eli Zaretskii <[email protected]> * bidi.c (bidi_get_type, bidi_get_category) (bidi_at_paragraph_end, bidi_resolve_weak, bidi_resolve_neutral) - (bidi_type_of_next_char, bidi_level_of_next_char): Declare - static. Use `INLINE' rather than `inline'. + (bidi_type_of_next_char, bidi_level_of_next_char): + Declare static. Use `INLINE' rather than `inline'. 2010-04-19 Juanma Barranquero <[email protected]> |