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Generalize and cleanup font subsystem checks.

Browse source 
* font.h (FONT_DEBUG, font_assert): Remove.
* font.c, fontset.c, w32font.c, xfont.c, xftfont.c: Change
font_assert to eassert.  Use eassert where appropriate.
This commit is contained in:
Dmitry Antipov 2012-08-15 18:20:16 +04:00
parent b6928595db
commit 4e6a86c633
7 changed files with 36 additions and 45 deletions
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7
src/ChangeLog
View file

@ -1,3 +1,10 @@
2012-08-15 Dmitry Antipov <dmantipov@yandex.ru>
Generalize and cleanup font subsystem checks.
* font.h (FONT_DEBUG, font_assert): Remove.
* font.c, fontset.c, w32font.c, xfont.c, xftfont.c: Change
font_assert to eassert. Use eassert where appropriate.
2012-08-15 Dmitry Antipov <dmantipov@yandex.ru>
* gtkutil.c (xg_get_font): Use pango_units_to_double.

48
src/font.c
View file

@ -290,7 +290,7 @@ font_pixel_size (FRAME_PTR f, Lisp_Object spec)
return XINT (size);
if (NILP (size))
return 0;
font_assert (FLOATP (size));
eassert (FLOATP (size));
point_size = XFLOAT_DATA (size);
val = AREF (spec, FONT_DPI_INDEX);
if (INTEGERP (val))
@ -354,8 +354,7 @@ font_style_to_value (enum font_property_index prop, Lisp_Object val, int noerror
}
if (! noerror)
return -1;
if (len == 255)
abort ();
eassert (len < 255);
elt = Fmake_vector (make_number (2), make_number (100));
ASET (elt, 1, val);
args[0] = table;
@ -404,10 +403,10 @@ font_style_symbolic (Lisp_Object font, enum font_property_index prop, int for_fa
table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX);
CHECK_VECTOR (table);
i = XINT (val) & 0xFF;
font_assert (((i >> 4) & 0xF) < ASIZE (table));
eassert (((i >> 4) & 0xF) < ASIZE (table));
elt = AREF (table, ((i >> 4) & 0xF));
CHECK_VECTOR (elt);
font_assert ((i & 0xF) + 1 < ASIZE (elt));
eassert ((i & 0xF) + 1 < ASIZE (elt));
elt = (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1));
CHECK_SYMBOL (elt);
return elt;
@ -1076,7 +1075,7 @@ font_parse_xlfd (char *name, ptrdiff_t len, Lisp_Object font)
{
double point_size = -1;
font_assert (FONT_SPEC_P (font));
eassert (FONT_SPEC_P (font));
p = f[XLFD_POINT_INDEX];
if (*p == '[')
point_size = parse_matrix (p);
@ -1197,7 +1196,7 @@ font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int nbytes)
Lisp_Object val;
int i, j, len;
font_assert (FONTP (font));
eassert (FONTP (font));
for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX;
i++, j++)
@ -1248,7 +1247,7 @@ font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int nbytes)
}
val = AREF (font, FONT_SIZE_INDEX);
font_assert (NUMBERP (val) || NILP (val));
eassert (NUMBERP (val) || NILP (val));
if (INTEGERP (val))
{
EMACS_INT v = XINT (val);
@ -1585,8 +1584,7 @@ font_unparse_fcname (Lisp_Object font, int pixel_size, char *name, int nbytes)
}
else
{
if (! FLOATP (val))
abort ();
eassert (FLOATP (val));
pixel_size = -1;
point_size = (int) XFLOAT_DATA (val);
}
@ -2540,7 +2538,7 @@ font_finish_cache (FRAME_PTR f, struct font_driver *driver)
val = XCDR (cache);
while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type))
cache = val, val = XCDR (val);
font_assert (! NILP (val));
eassert (! NILP (val));
tmp = XCDR (XCAR (val));
XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1));
if (XINT (XCAR (tmp)) == 0)
@ -2557,9 +2555,9 @@ font_get_cache (FRAME_PTR f, struct font_driver *driver)
Lisp_Object val = driver->get_cache (f);
Lisp_Object type = driver->type;
font_assert (CONSP (val));
eassert (CONSP (val));
for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val));
font_assert (CONSP (val));
eassert (CONSP (val));
/* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */
val = XCDR (XCAR (val));
return val;
@ -2596,7 +2594,7 @@ font_clear_cache (FRAME_PTR f, Lisp_Object cache, struct font_driver *driver)
if (! NILP (AREF (val, FONT_TYPE_INDEX)))
{
font_assert (font && driver == font->driver);
eassert (font && driver == font->driver);
driver->close (f, font);
num_fonts--;
}
@ -2706,7 +2704,7 @@ font_list_entities (Lisp_Object frame, Lisp_Object spec)
int need_filtering = 0;
int i;
font_assert (FONT_SPEC_P (spec));
eassert (FONT_SPEC_P (spec));
if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)))
size = XINT (AREF (spec, FONT_SIZE_INDEX));
@ -2826,7 +2824,7 @@ font_open_entity (FRAME_PTR f, Lisp_Object entity, int pixel_size)
int min_width, height;
int scaled_pixel_size = pixel_size;
font_assert (FONT_ENTITY_P (entity));
eassert (FONT_ENTITY_P (entity));
size = AREF (entity, FONT_SIZE_INDEX);
if (XINT (size) != 0)
scaled_pixel_size = pixel_size = XINT (size);
@ -2903,7 +2901,7 @@ font_close_object (FRAME_PTR f, Lisp_Object font_object)
FONT_ADD_LOG ("close", font_object, Qnil);
font->driver->close (f, font);
#ifdef HAVE_WINDOW_SYSTEM
font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts);
eassert (FRAME_X_DISPLAY_INFO (f)->n_fonts);
FRAME_X_DISPLAY_INFO (f)->n_fonts--;
#endif
num_fonts--;
@ -2933,7 +2931,7 @@ font_has_char (FRAME_PTR f, Lisp_Object font, int c)
return driver_list->driver->has_char (font, c);
}
font_assert (FONT_OBJECT_P (font));
eassert (FONT_OBJECT_P (font));
fontp = XFONT_OBJECT (font);
if (fontp->driver->has_char)
{
@ -2953,7 +2951,7 @@ font_encode_char (Lisp_Object font_object, int c)
{
struct font *font;
font_assert (FONT_OBJECT_P (font_object));
eassert (FONT_OBJECT_P (font_object));
font = XFONT_OBJECT (font_object);
return font->driver->encode_char (font, c);
}
@ -2964,7 +2962,7 @@ font_encode_char (Lisp_Object font_object, int c)
Lisp_Object
font_get_name (Lisp_Object font_object)
{
font_assert (FONT_OBJECT_P (font_object));
eassert (FONT_OBJECT_P (font_object));
return AREF (font_object, FONT_NAME_INDEX);
}
@ -3250,10 +3248,8 @@ font_open_for_lface (FRAME_PTR f, Lisp_Object entity, Lisp_Object *attrs, Lisp_O
{
struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID);
Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX];
if (INTEGERP (height))
pt = XINT (height);
else
abort (); /* We should never end up here. */
eassert (INTEGERP (height));
pt = XINT (height);
}
pt /= 10;
@ -3728,7 +3724,7 @@ font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face
}
else
{
font_assert (face);
eassert (face);
pos_byte = string_char_to_byte (string, pos);
}
@ -4268,7 +4264,7 @@ DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0,
while (! NILP (val)
&& ! EQ (XCAR (XCAR (val)), driver_list->driver->type))
val = XCDR (val);
font_assert (! NILP (val));
eassert (! NILP (val));
tmp = XCDR (XCAR (val));
if (XINT (XCAR (tmp)) == 0)
{

6
src/font.h
View file

@ -858,10 +858,4 @@ extern void font_deferred_log (const char *, Lisp_Object, Lisp_Object);
font_deferred_log ((ACTION), (ARG), (RESULT)); \
} while (0)
#ifdef FONT_DEBUG
#define font_assert(X) do {if (!(X)) abort ();} while (0)
#else /* not FONT_DEBUG */
#define font_assert(X) (void) 0
#endif /* not FONT_DEBUG */
#endif /* not EMACS_FONT_H */

6
src/fontset.c
View file

@ -1027,8 +1027,7 @@ make_fontset_for_ascii_face (FRAME_PTR f, int base_fontset_id, struct face *face
base_fontset = FONTSET_FROM_ID (base_fontset_id);
if (!BASE_FONTSET_P (base_fontset))
base_fontset = FONTSET_BASE (base_fontset);
if (! BASE_FONTSET_P (base_fontset))
abort ();
eassert (BASE_FONTSET_P (base_fontset));
}
else
base_fontset = Vdefault_fontset;
@ -1725,8 +1724,7 @@ fontset_from_font (Lisp_Object font_object)
fontset_spec = copy_font_spec (font_spec);
ASET (fontset_spec, FONT_REGISTRY_INDEX, alias);
name = Ffont_xlfd_name (fontset_spec, Qnil);
if (NILP (name))
abort ();
eassert (!NILP (name));
fontset = make_fontset (Qnil, name, Qnil);
Vfontset_alias_alist = Fcons (Fcons (name, SYMBOL_NAME (alias)),
Vfontset_alias_alist);

9
src/w32font.c
View file

@ -234,8 +234,7 @@ get_outline_metrics_w(HDC hdc, UINT cbData, LPOUTLINETEXTMETRICW lpotmw)
s_pfn_Get_Outline_Text_MetricsW = (GetOutlineTextMetricsW_Proc)
GetProcAddress (hm_unicows, "GetOutlineTextMetricsW");
}
if (s_pfn_Get_Outline_Text_MetricsW == NULL)
abort (); /* cannot happen */
eassert (s_pfn_Get_Outline_Text_MetricsW != NULL);
return s_pfn_Get_Outline_Text_MetricsW (hdc, cbData, lpotmw);
}
@ -252,8 +251,7 @@ get_text_metrics_w(HDC hdc, LPTEXTMETRICW lptmw)
s_pfn_Get_Text_MetricsW = (GetTextMetricsW_Proc)
GetProcAddress (hm_unicows, "GetTextMetricsW");
}
if (s_pfn_Get_Text_MetricsW == NULL)
abort (); /* cannot happen */
eassert (s_pfn_Get_Text_MetricsW != NULL);
return s_pfn_Get_Text_MetricsW (hdc, lptmw);
}
@ -271,8 +269,7 @@ get_glyph_outline_w (HDC hdc, UINT uChar, UINT uFormat, LPGLYPHMETRICS lpgm,
s_pfn_Get_Glyph_OutlineW = (GetGlyphOutlineW_Proc)
GetProcAddress (hm_unicows, "GetGlyphOutlineW");
}
if (s_pfn_Get_Glyph_OutlineW == NULL)
abort (); /* cannot happen */
eassert (s_pfn_Get_Glyph_OutlineW != NULL);
return s_pfn_Get_Glyph_OutlineW (hdc, uChar, uFormat, lpgm, cbBuffer,
lpvBuffer, lpmat2);
}

2
src/xfont.c
View file

@ -59,7 +59,7 @@ xfont_get_pcm (XFontStruct *xfont, XChar2b *char2b)
/* The result metric information. */
XCharStruct *pcm = NULL;
font_assert (xfont && char2b);
eassert (xfont && char2b);
if (xfont->per_char != NULL)
{

3
src/xftfont.c
View file

@ -622,8 +622,7 @@ xftfont_get_xft_draw (FRAME_PTR f)
FRAME_X_VISUAL (f),
FRAME_X_COLORMAP (f));
UNBLOCK_INPUT;
if (! xft_draw)
abort ();
eassert (xft_draw != NULL);
font_put_frame_data (f, &xftfont_driver, xft_draw);
}
return xft_draw;