2 \brief IR Memory Implementation
3 \details Intermediary memory management
6 ----------------------------------------------------------------------------*/
8 #include <stdlib.h> //exit, malloc
9 #include <stdio.h> //print
10 #include <stdarg.h> //va_args
11 #include <stdint.h> //uint64_t
12 #include <string.h> //memset, str*
14 #include <unistd.h> //u8_* functions
15 #include <unitypes.h> //uint8_t as a char
16 #include <unistr.h> //u32_cpy
24 int ir_condenser(void);
31 struct ir_framebox_t
* ir_set_add_framebox(struct ir_set_t
*, uint8_t*);
33 void ir_quit_r(struct pagenode_t
*);
35 int bytes_identical(uint8_t*,uint8_t*);
37 /* Enumerated types */
38 enum dtype
{ FSDAT
, MSDAT
, ADAT
, LDAT
, FBDAT
};
39 enum ltype
{ OLINK
, MLINK
, VLINK
, ALINK
};
41 struct ir_setdata_header_t
43 uint8_t* src_filename
, * data_name
;
44 union ir_setdata_t
* nextsib
;
47 { int facing
, w
, h
; };
49 { struct ir_setdata_header_t header
;
50 struct ir_frameinfo_t frameinfo
;
53 { struct ir_setdata_header_t header
;
54 struct ir_framedata_t framesheets
[FACING_MAX
];
55 struct ir_framedata_t mapsheets
[FACING_MAX
];
58 { struct ir_setdat_header_t header
;
61 { struct ir_setdat_header_t header
;
62 struct ir_set_t
* src
, * trg
;
66 { struct ir_setdata_header_t header
;
67 struct ir_framebox_t framebox
;
68 struct ir_framedata_t framesheet
;
69 struct ir_framedata_t mapsheet
;
70 struct ir_simplex_t audio
;
71 struct ir_link_t link
;
74 { struct ir_class_t
* nextchild
, * nextsib
;
75 struct ir_set_t
* root_set
;
79 { struct ir_set_t
* nextchild
, * nextsib
;
80 struct ir_class_t
* class;
83 struct framebox_t
* frameboxes
;
84 struct simplex_t
* audio
;
87 /* Function-Like Macros */
88 #define do_warn() do { \
90 #define wprint(str) do { \
91 fprintf(stderr, str); \
94 #define wprintf(fmt,...) do { \
95 fprintf(stderr, fmt, __VA_ARGS__); \
98 #define do_error() do { \
101 #define eprint(str) do { \
102 fprintf(stderr, str); \
105 #define eprintf(fmt,...) do { \
106 fprintf(stderr, fmt, __VA_ARGS__); \
109 #define struct_alloc(_T) ((struct _T*) stack_alloc(sizeof(struct _T)))
113 struct ir_class_t root_class
= { .name
= "." };
118 { pagenode_root
= calloc(struct pagenode_t
*) calloc(PN_ALLOCSIZE
);
119 if (pagenode_root
== NULL
)
121 pagenode_root
->head
= pagenode_root
->root
;
122 pagenode_head
= pagenode_root
;
127 Recursively clean pagenode linked list
131 { ir_quit_r(pagenode_root
); }
135 ( struct pagenode_t
* pagenode
)
136 { if (pagenode
->next
!= NULL
)
137 ir_quit_r(pagenode
->next
);
153 /* Return a pointer to the root class */
154 struct ir_class_t
* ir_class_root
156 { return &root_class
; }
158 /* Add a subclass to a class
159 Attempts to create a new subclass in the provided class, returning
160 the class if it already exists
162 struct ir_class_t
* ir_class_addchild
163 ( struct ir_class_t
* class,
166 { struct ir_class_t
* iter
;
167 if (class->nextchild
== NULL
)
168 return class->nextchild
= struct_alloc(ir_class_t
);
169 iter
= class->nextchild
;
171 if (bytes_identical(iter
->name
, name
))
173 if (iter
->nextsib
!= NULL
)
174 { iter
= iter
->nextsib
;
177 return iter
->nextsib
= struct_alloc(ir_class_t
);
180 /* Add a set to a class
181 Attempts to create a new root set in the specified class, returning
182 the set if it already exists
184 struct ir_set_t
* ir_class_addset
185 ( struct ir_class_t
* class,
188 { struct ir_set_t
* iter
;
189 if (class->root_set
== NULL
)
190 return class->root_set
= struct_alloc(ir_set_t
);
191 iter
= class->root_set
;
193 if (bytes_identical(iter
->name
, name
))
195 if (iter
->nextsib
!= NULL
)
196 { iter
= iter
->nextsib
;
199 return iter
->nextsib
= struct_alloc(ir_set_t
);
202 /* Add a set to a set
203 Attempts to create a new subset of the specified set, returning the
204 child if it already exists
206 struct ir_set_t
* ir_set_addchild
207 ( struct ir_set_t
* set
,
210 { struct ir_set_t
* iter
;
211 if (set
->nextchild
== NULL
)
212 return set
->nextchild
= struct_alloc(ir_set_t
);
213 iter
= set
->nextchild
;
215 if (bytes_identical(iter
->name
, name
))
217 if (iter
->nextsib
!= NULL
)
218 { iter
= iter
->nextsib
;
221 return iter
->nextsib
= struct_alloc(ir_set_t
);
224 /* Add a framebox to a set
225 Attempts to create a new framebox of the specified set, returning
226 the framebox if it already exists
229 struct ir_framebox_t
* ir_set_add_framebox
230 ( struct ir_set_t
* set
,
233 { struct ir_framebox_t
* iter
;
234 if (set
->frameboxes
== NULL
)
235 return set
->frameboxes
= struct_alloc(ir_framebox_t
);
236 iter
= set
->frameboxes
;
238 if (bytes_identical(iter
->header
.name
, name
))
240 if (iter
->header
.nextsib
!= NULL
)
241 { iter
= iter
->header
.nextsib
;
244 return iter
->header
.nextsib
= struct_alloc(ir_framebox_t
);
247 /* Match two null-terminated bytestrings
248 Return 1 if the two bytestrings are identical, else 0
255 { while (*stra
&& *strb
)
256 if (*stra
++ != *strb
++)
258 return *stra
== *strb
;
261 /* Assign Setdata to Set
264 void ir_set_assign_data
265 ( struct ir_set_t
* set
,
266 union ir_setdata_t
* setdata
268 { struct ir_framebox_t
* framebox
;
269 struct ir_simplex_t
* simplex
;
270 struct ir_link_t
* link
;
271 switch (setdata
->header
.type
)
273 framebox
= ir_set_add_framebox(set
, setdata
->header
.name
);
274 if (framebox
->framesheets
[setdata
->framesheet
.frameinfo
.facing
] != NULL
)
275 wprintf("Duplicate framesheet [%i] %s\n",
276 setdata
->framesheet
.frameinfo
.facing
, setdata
->header
.data_name
);
277 framebox
->framesheets
[setdata
->framesheet
.frameinfo
.facing
] = setdata
->framesheet
;
280 framebox
= ir_set_add_framebox(set
, setdata
->header
.name
);
281 if (framebox
->mapsheets
[setdata
->mapsheet
.frameinfo
.facing
] != NULL
)
282 wprintf("Duplicate mapsheet [%i] %s\n",
283 setdata
->mapsheet
.frameinfo
.facing
, setdata
->header
.data_name
);
284 framebox
->mapsheets
[setdata
->mapsheet
.frameinfo
.facing
] = setdata
->mapsheet
;
287 if (set
->audio
== NULL
)
288 { set
->audio
= &setdata
->audio
;
291 simplex
= set
->audio
;
292 while (simplex
->header
.nextsib
!= NULL
;)
293 if (bytes_identical(simplex
->header
.data_name
, setdata
->header
.data_name
))
294 { wprintf("Duplicate audio %s\n", setdata
->header
.data_name
);
295 *simplex
= setdata
->audio
;
299 simplex
= simplex
->header
.nextsib
;
300 simplex
->header
.nextsib
= &setdata
->audio
;
303 if (set
->links
== NULL
)
304 { set
->links
= &setdata
->link
;
308 while (link
->header
.nextsib
!= NULL
)
309 link
= link
->header
.nextsib
;
310 link
->header
.nextsib
= &setdata
->link
;
313 fprintf(stderr
, "Unknown setdata type %x\n", setdata
->header
.type
);
318 void ir_set_assign_ref
323 wprintf("Ref override: 0x%x -> 0x%x for set %s\n",
324 set
->ref
, ref
, set
->name
);
326 //TODO: reflist_add(set);
329 void ir_data_assign_path
330 ( union ir_setdata_t
* setdata
,
333 { if (set
->header
.src_filename
)
334 wprintf("Path override: %s -> %s for set %s\n",
335 set
->header
.src_filename
, path
, set
->name
);
336 set
->header
.src_filename
= path
;
337 //TODO: internal strdup, not assign (= path;)
341 //TODO: Macro ir_framsheet and mapsheet?
342 union ir_setdata_t
* ir_framesheet
348 { struct ir_framedata_t
* framesheet
= struct_alloc(ir_framedata_t
);
349 framesheet
->header
->type
= FSDAT
;
350 framesheet
->header
.data_name
= name
;
351 framesheet
->frameinfo
.facing
= d
;
352 framesheet
->frameinfo
.w
= width
;
353 framesheet
->frameinfo
.h
= height
;
354 return (union ir_setdata_t
*) framesheet
;
357 union ir_setdata_t
* ir_mapsheet
363 { struct ir_framedata_t
* mapsheet
= struct_alloc(ir_framedata_t
);
364 mapsheet
->header
.type
= MSDAT
;
365 mapsheet
->header
.data_name
= name
;
366 mapsheet
->frameinfo
.facing
= d
;
367 mapsheet
->frameinfo
.w
= width
;
368 mapsheet
->frameinfo
.h
= height
;
369 return (union ir_setdata_t
*) mapsheet
;
372 union ir_setdata_t
* ir_audio
374 { struct ir_simplex_t
* audio
= struct_alloc(ir_simplex_t
);
375 audio
->header
.type
= ADAT
;
376 audio
->header
.data_name
= name
;
377 return (union ir_setdata_t
*) audio
;
381 #define PN_ALLOCSIZE (sys_pagesize)
382 #define PN_HEADERSIZE() (sizeof(struct pagenode_t*) + sizeof(void*))
383 #define PN_MEMSIZE() (PN_ALLOCSIZE - PN_HEADERSIZE())
384 #define PN_HEADSIZE() (pagenode_head->head - pagenode_head->root)
385 #define PN_HEADSPACE() (PN_MEMSIZE() - PN_HEADSIZE())
387 struct pagenode_t
* next
;
390 }* pagenode_root
, * pagenode_head
;
394 void* stack_alloc(size_t bytes
)
396 { wprint("Attempting to allocate 0 bytes in stack_alloc");
397 return pagenode_head
->head
;
399 if (PN_HEADSPACE() < bytes
)
400 { pagenode_head
->next
= (struct pagenode_t
*) calloc(PN_ALLOCSIZE
);
401 pagenode_head
= pagenode_head
->next
;
402 pagenode_head
->head
= pagenode_head
->root
;
404 pagenode_head
->head
+= bytes
;
405 return (void*) pagenode_head
->head
- bytes
;