X-Git-Url: https://www.kengrimes.com/gitweb/?p=henge%2Fapc.git;a=blobdiff_plain;f=src%2Fir.c;h=d6ad16f26b66eb02bcf1dacda2886c2b2bba286b;hp=49480ab2def18b7a91f252103dbb6d96b6df7650;hb=21f57201034a7b54ebb42703f2a8bef4b561acb4;hpb=0dc97f87cbbe47ef84501678f302404d042428b1

diff --git a/src/ir.c b/src/ir.c
index 49480ab..d6ad16f 100644
--- a/src/ir.c
+++ b/src/ir.c
@@ -10,190 +10,777 @@
 #include <stdarg.h> //va_args
 #include <stdint.h> //uint64_t
 #include <string.h> //memset, str*
+#include <errno.h>
 /* Unicode */
 #include <unistd.h>   //u8_* functions
 #include <unitypes.h> //uint8_t as a char
 #include <unistr.h>   //u32_cpy
+#include <unistdio.h> //ulc_fprintf
 /* Local */
+#include "print.h"
 #include "apc.h"
 #include "ir.h"
+#include "pagenode.h"
+#undef  do_error
+#define do_error(...) exit(-1)
+#define XXH_PRIVATE_API
+#include "../xxHash/xxhash.h"
 /* Public */
 int      ir_init(void);
+void     ir_quit(void);
+void     ir_test(void);
 int      ir_linker(void);
 int      ir_condenser(void);
-#if 0
-ir_class ir_class_findchild(ir_class, uint8_t*);
-ir_set   ir_class_rootset(ir_class);
-ir_class ir_class_nextsib(ir_class);
-ir_class ir_class_nextchild(ir_class);
-uint8_t* ir_class_name(ir_class);
-ir_set   ir_class_findset(ir_class,uint8_t*);
-ir_set   ir_set_findchild(ir_set, uint8_t*);
-ir_set   ir_set_nextsib(ir_set);
-ir_set   ir_set_nextchild(ir_set);
-ir_set   ir_set_findref(long long);
-uint8_t* ir_set_name(ir_set);
-#endif
-/* Private */
-static inline
-uint8_t bytes_identical(uint8_t*,uint8_t*);
-
-/* Enumerated types */
-enum dtype { FSDAT, MSDAT, ADAT, LDAT };
-enum ltype { OLINK, MLINK, VLINK, ALINK };
 /* Set data mem */
-struct sdat_header_t
-{ enum dtype type;
-  uint8_t* src_file_name;
-  uint8_t* data_name;
+enum dtype { FSDAT, MSDAT, ADAT, LDAT, FBDAT };
+struct ir_namelist_t;
+struct ir_namelist_t
+{ struct ir_namelist_t* nextsib;
+  uint8_t*              name;
 };
-struct frameinfo_t
-{ int facing, w, h;
+struct ir_classld_t
+{ struct ir_class_t*    root_class;
+  struct ir_namelist_t* namelist, * namelist_head;
 };
-struct framedata_t
-{ struct sdat_header_t header;
-  struct frameinfo_t   frameinfo;
-} **framedatas;
-struct framebox_t
-{ struct framedata_t framesheets[FACE_MAX];
-  struct framedata_t mapsheets[FACE_MAX];
-  uint8_t            *data_name;
-} **frameboxes;
-struct simplex_t
-{ struct sdat_header_t header;
-} **simplexes;
-struct link_t
-{ struct sdat_header_t header;
-  struct set_t         *src, *trg;
-  enum ltype           type;
-} **links;
-union sdat_t
-{ struct sdat_header_t header;
-  struct framedata_t   framesheet;
-  struct framedata_t   mapsheet;
-  struct simplex_t     audio;
-  struct link_t        link;
+struct ir_setld_t
+{ struct ir_classld_t*  classld;
+  uint32_t              ref;
+  struct ir_namelist_t* namelist, * namelist_head;
 };
-struct ir_class
-{ struct class_t *parent, *nextchild, *nextsib;
-  struct set_t   *root_set;
-  uint8_t        *name;
-} **classes;
-struct ir_set
-{ struct set_t      *parent, *nextchild, *nextsib;
-  struct class_t    *class;
-  uint8_t           *name;
-  struct framebox_t **sprites;
-  struct framebox_t **maps;
-  struct simplex_t  **audio;
-  struct link_t     **links;
-} **sets;
-/* Function-Like Macros */
-#define do_warn() do {				\
-  } while (0)
-#define wprint(str) do {			\
-    fprintf(stderr, str);			\
-    do_warn();					\
-  } while (0)
-#define wprintf(fmt,...) do {			\
-    fprintf(stderr, fmt, __VA_ARGS__);		\
-    do_warn();					\
-  } while (0)
-#define do_error() do {				\
-    exit(-1);					\
-  } while (0)
-#define eprint(str) do {			\
-    fprintf(stderr, str);			\
-    do_error();					\
-  } while (0)
-#define eprintf(fmt,...) do {			\
-    fprintf(stderr, fmt, __VA_ARGS__);		\
-    do_error();					\
-  } while (0)
-
+struct ir_setdata_header_t
+{ enum dtype          type;
+  uint8_t*            src_filename, * data_name;
+  union ir_setdata_t* nextsib;
+  long                filepos;
+};
+struct ir_framedata_t
+{ struct ir_setdata_header_t header;
+  struct ir_frameinfo_t      frameinfo;
+};
+struct ir_framebox_t
+{ struct ir_setdata_header_t header;
+  struct ir_framedata_t      framesheets[FACING_MAX];
+  struct ir_framedata_t      mapsheets[FACING_MAX];
+};
+struct ir_simplex_t { struct ir_setdata_header_t header; };
+struct ir_link_t
+{ struct ir_setdata_header_t header;
+  struct ir_classld_t*       classld;
+  struct ir_setld_t*         setld;
+  enum ltype                 type;
+};
+union ir_setdata_t
+{ struct ir_setdata_header_t  header;
+  struct ir_framebox_t        framebox;
+  struct ir_framedata_t       framesheet;
+  struct ir_framedata_t       mapsheet;
+  struct ir_simplex_t         audio;
+  struct ir_link_t            link;
+};
+struct ir_class_t
+{ struct ir_class_t* nextchild, * nextsib;
+  struct ir_set_t*   root_set;
+  uint8_t*           name;
+  long               filepos;
+};
+struct ir_set_t
+{ struct ir_set_t*      nextchild, * nextsib;
+  uint32_t              ref;
+  uint8_t*              name;
+  struct ir_framebox_t* frameboxes;
+  struct ir_simplex_t*  audio;
+  struct ir_link_t*     links;
+  long                  filepos;
+};
+/* Functions */
+static inline
+struct ir_framebox_t* ir_set_add_framebox(struct ir_set_t*,uint8_t*);
+static inline
+union ir_setdata_t*   ir_framedata (enum dtype,const uint8_t*,apc_facing,int,int);
+static inline
+int      bytes_identical(const uint8_t*,const uint8_t*);
+static inline
+int      classnames_identical(const uint8_t*,const uint8_t*);
+static
+uint8_t* name_alloc(const uint8_t*);
 static
-struct ir_class root_class = { .name = &"." };
+uint8_t* classname_alloc(const uint8_t*);
+#define  struct_clear(_S) (memset((_S), 0, sizeof(*(_S))))
+#define  REFHASH(ref) (XXH32(&ref, sizeof(uint32_t), 0xCEED) & 0xCFF)
+#define  struct_alloc(_T) ((struct _T*) stack_alloc(&datapages, sizeof(struct _T)))
+extern //apc.c
+long     sys_pagesize;
+static
+struct pagelist_t datapages, namepages, refhashpages;
+static
+struct ir_class_t root_class = { .name = (uint8_t*)"." };
 
 /* Init */
 int ir_init
 ( void )
+{ pagelist_init(datapages, (size_t)SYS_PAGESIZE);
+  pagelist_init(namepages, (size_t)NAME_PAGESIZE);
+  pagelist_init(refhashpages, (size_t)SYS_PAGESIZE);
+
+  return 0;
+}
+
+/* Quit/Cleanup */
+void ir_quit
+( void )
+{ pagenode_free(datapages.root);
+  pagenode_free(namepages.root);
+  pagenode_free(refhashpages.root);
+
+}
+
+/* Link */
+int ir_linker
+( void )
+{ 
+  return 0;
+}
+
+/* Condense */
+int ir_condenser
+( void )
 { return 0; }
 
+/* Return the class's name string */
+uint8_t* ir_class_name
+( struct ir_class_t* class )
+{ return class->name; }
+
 /* Return a pointer to the root class */
 struct ir_class_t* ir_class_root
 ( void )
 { return &root_class; }
 
 /* Add a subclass to a class
-   Attempts to create a new subclass in the provided class, exiting with an
-   error if the class already exists
+   Attempts to create a new subclass in the provided class, returning
+   the class if it already exists
 */
-#define ERR_DUPECLASS "Subclass %s of class %s already exists!", name, *class.name
 struct ir_class_t* ir_class_addchild
 ( struct ir_class_t* class,
-  uint8_t*           name
+  const uint8_t*     name
 )
-{ struct ir_class_t* iter = *class.nextchild;
-  if (iter == NULL)
-    return *class.nextchild = class_alloc(name);
- iterate:
-  if (bytes_identical(*iter.name, name))
-    { fprintf(stderr, ERR_DUPECLASS);
-      exit(-1);
+{ struct ir_class_t* iter;
+  if (class->nextchild == NULL)
+    { class->nextchild = struct_alloc(ir_class_t);
+      struct_clear(class->nextchild);
+      class->nextchild->name = classname_alloc(name);
+      return class->nextchild;
     }
-  if (*iter.nextsib != NULL)
-    { iter = *iter.nextsib;
-      goto iterate;
+  iter = class->nextchild;
+  if (iter->name == NULL)
+    eprintf("Null name pointer in class %p\n", iter);
+  if (name == NULL)
+    eprintf("Null child added to class %s\n", iter->name);
+ check:
+  if (classnames_identical(iter->name, name))
+    return iter;
+  if (iter->nextsib != NULL)
+    { iter = iter->nextsib;
+      goto check;
     }
-  return *iter.nextsib = class_alloc(name);
-
+  iter->nextsib = struct_alloc(ir_class_t);
+  struct_clear(iter->nextsib);
+  iter->nextsib->name = classname_alloc(name);
+  return iter->nextsib;
 }
 
-/* Return a pointer to the parent of the provided class */
-struct ir_class_t* ir_class_parent
-( struct ir_class_t* class )
-{ return class.parent; }
-
 /* Add a set to a class
-   Attempts to create a new root set in the specified class, exiting with an
-   error if the set already exists
+   Attempts to create a new root set in the specified class, returning
+   the set if it already exists
 */
-#define ERR_DUPESET "Root set %s of class %s already exists!", name, *class.name
 struct ir_set_t* ir_class_addset
 ( struct ir_class_t* class,
-  uint8_t*           name
+  const uint8_t*     name
 )
-{ struct ir_set_t* iter = *class.root_set;
-  if (iter == NULL)
-    return *class.root_set = set_alloc(name);
- iterate:
-  if (bytes_identical(*iter.name, name))
-    { fprintf(stderr, ERR_DUPSET);
-      exit(-1);
+{ struct ir_set_t* iter;
+  if (class->root_set == NULL)
+    { class->root_set = struct_alloc(ir_set_t);
+      struct_clear(class->root_set);
+      class->root_set->name = name_alloc(name);
+      return class->root_set;
     }
-  if (*iter.nextsib != NULL)
-    { iter = *iter.nextsib;
-      goto iterate;
+  iter = class->root_set;
+  if (iter->name == NULL)
+    eprintf("Null name pointer in class %p\n", iter);
+  if (name == NULL)
+    eprintf("Null set added to class %U\n", iter->name);
+ check:
+  if (bytes_identical(iter->name, name))
+    return iter;
+  if (iter->nextsib != NULL)
+    { iter = iter->nextsib;
+      goto check;
     }
-  return *iter.nextsib = set_alloc(name);
+  iter->nextsib = struct_alloc(ir_set_t);
+  struct_clear(iter->nextsib);
+  iter->nextsib->name = name_alloc(name);
+  return iter->nextsib;
+}
+
+/* Get the root set of the class */
+struct ir_set_t* ir_class_rootset
+( struct ir_class_t* class )
+{ return class->root_set; }
+
+struct ir_set_t* ir_set_from_ref
+( uint32_t ref )
+{ uint16_t hash;
+  struct ir_set_t** iters;
+  struct pagenode_t* iterp;
+  iterp = refhashpages.root;
+  hash = REFHASH(ref);
+  do
+    iters = ((struct ir_set_t**) iterp->root) + hash;
+  while (*iters != NULL && (*iters)->ref != ref && (iterp = iterp->header.next) != NULL);
+  return *iters;
 }
 
+
+/* Add a set to a set
+   Attempts to create a new subset of the specified set, returning the
+   child if it already exists
+*/
 struct ir_set_t* ir_set_addchild
+( struct ir_set_t* set,
+  const uint8_t*   name
+)
+{ struct ir_set_t* iter;
+  if (set->nextchild == NULL)
+    { set->nextchild = struct_alloc(ir_set_t);
+      struct_clear(set->nextchild);
+      set->nextchild->name = name_alloc(name);
+      return set->nextchild;
+    }
+  iter = set->nextchild;
+  if (name == NULL)
+    eprintf("Null child added to set %s\n", iter->name);
+  if (iter->name == NULL)
+    eprintf("Null name pointer in set %p\n", iter);
+ check:
+  if (bytes_identical(iter->name, name))
+    return iter;
+  if (iter->nextsib != NULL)
+    { iter = iter->nextsib;
+      goto check;
+    }
+  iter->nextsib = struct_alloc(ir_set_t);
+  struct_clear(iter->nextsib);
+  iter->nextsib->name = name_alloc(name);
+  return iter->nextsib;
+}
+
+/* Add a framebox to a set
+   Attempts to create a new framebox of the specified set, returning
+   the framebox if it already exists
+   Name is not allocated, but assigned, unlike other "XXX_add" functions where
+   name is duplicated into IR's internal array.
+*/
+static inline
+struct ir_framebox_t* ir_set_add_framebox
 ( struct ir_set_t* set,
   uint8_t*         name
 )
-{ }
+{ struct ir_framebox_t* iter;
+  if (set->frameboxes == NULL)
+    { set->frameboxes = struct_alloc(ir_framebox_t);
+      struct_clear(set->frameboxes);
+      set->frameboxes->header.data_name = name;
+      return set->frameboxes;
+    }
+  iter = set->frameboxes;
+ check:
+  if (bytes_identical(iter->header.data_name, name))
+    return iter;
+  if (iter->header.nextsib != NULL)
+    { iter = (struct ir_framebox_t*) iter->header.nextsib;
+      goto check;
+    }
+  iter->header.nextsib = (union ir_setdata_t*) struct_alloc(ir_framebox_t);
+  struct_clear(iter->header.nextsib);
+  iter->header.nextsib->header.data_name = name;
+  return (struct ir_framebox_t*) (iter->header.nextsib);
+}
 
 /* Match two null-terminated bytestrings
    Return 1 if the two bytestrings are identical, else 0
 */
 static inline
-uint8_t bytes_identical
-( uint8_t* stra,
-  uint8_t* strb
-)
-{ while (*stra && *strb)
-    if (*stra++ != *strb++)
-      return 0;
-  return *stra == *strb;
+int bytes_identical
+( const uint8_t* stra,
+  const uint8_t* strb
+)
+{ int ca, cb;
+  do {
+    ca = *stra++;
+    cb = *strb++;
+  } while (ca && ca != '_' && ca == cb);
+  return (ca == cb);
+}
+
+static inline
+int classnames_identical
+( const uint8_t* stra,
+  const uint8_t* strb
+)
+{ int ca, cb;
+  do {
+    ca = *stra++;
+    cb = *strb++;
+  } while (ca && ca == cb);
+  return (ca == cb);
+}
+
+/* Return the name of the set */
+uint8_t* ir_set_name
+( struct ir_set_t* set)
+{ return set->name; }
+
+/* Return the next sib of the class */
+struct ir_class_t* ir_class_nextsib
+( struct ir_class_t* class )
+{ return class->nextsib; }
+
+/* Return the next sib of the class */
+struct ir_class_t* ir_class_nextchild
+( struct ir_class_t* class )
+{ return class->nextchild; }
+
+/* Get the file position of the class */
+long ir_class_fpos
+( struct ir_class_t* class )
+{ return class->filepos; }
+
+/* Set the file position of the class */
+void ir_class_assign_fpos
+( struct ir_class_t* class,
+  long               newpos
+)
+{ class->filepos = newpos; }
+
+/* Get the next sibling of the provided set */
+struct ir_set_t* ir_set_nextsib
+( struct ir_set_t* set )
+{ return set->nextsib; }
+
+/* Get the next child of the provided set */
+struct ir_set_t* ir_set_nextchild
+( struct ir_set_t* set )
+{ return set->nextchild; }
+
+/* Get the file position of the class */
+long ir_set_fpos
+( struct ir_set_t* set )
+{ return set->filepos; }
+
+/* Set the file position of the class */
+void ir_set_assign_fpos
+( struct ir_set_t* set,
+  long             newpos
+)
+{ set->filepos = newpos; }
+
+/* Assign Setdata to Set  */
+void ir_set_assign_data
+( struct ir_set_t*      set,
+  union  ir_setdata_t*  setdata
+)
+{ struct ir_framebox_t* framebox;
+  struct ir_simplex_t*  simplex;
+  switch (setdata->header.type)
+    { case FSDAT:
+	framebox = ir_set_add_framebox(set, setdata->header.data_name);
+	if (framebox->framesheets[setdata->framesheet.frameinfo.facing].header.data_name != NULL)
+	  wprintf("Duplicate framesheet [%i] %s\n",
+		  setdata->framesheet.frameinfo.facing, setdata->header.data_name);
+	framebox->framesheets[setdata->framesheet.frameinfo.facing] = setdata->framesheet;
+	break;
+      case MSDAT:
+	framebox = ir_set_add_framebox(set, setdata->header.data_name);
+	if (framebox->mapsheets[setdata->mapsheet.frameinfo.facing].header.data_name != NULL)
+	  wprintf("Duplicate mapsheet [%i] %s\n",
+		  setdata->mapsheet.frameinfo.facing, setdata->header.data_name);
+	framebox->mapsheets[setdata->mapsheet.frameinfo.facing] = setdata->mapsheet;
+	break;
+      case ADAT:
+	if (set->audio == NULL)
+	  { set->audio = (struct ir_simplex_t*) setdata;
+	    return;
+	  }
+	simplex = set->audio;
+	while (simplex->header.nextsib != NULL)
+	  if (bytes_identical(simplex->header.data_name, setdata->header.data_name))
+	    { wprintf("Duplicate audio %s\n", setdata->header.data_name);
+	      *simplex = setdata->audio;
+	      //setdata is now a pointer to redundant, unused memory.
+	      return;
+	    }
+	  else
+	    simplex = (struct ir_simplex_t*) simplex->header.nextsib;
+	setdata->audio.header.nextsib = (union ir_setdata_t*) set->audio;
+        set->audio = (struct ir_simplex_t*) setdata;
+	break;
+      case LDAT:
+	setdata->link.header.nextsib = (union ir_setdata_t*) set->links;
+	set->links = (struct ir_link_t*) setdata;
+	break;
+      default:
+	fprintf(stderr, "Unknown setdata type %x\n", setdata->header.type);
+	exit(-1);
+    }
+}
+
+void ir_set_assign_ref
+( struct ir_set_t* set,
+  uint32_t         ref
+)
+{ uint16_t hash, oldhash;
+  struct ir_set_t** iters;
+  struct pagenode_t* iterp;
+  uint32_t           oldref;
+  oldref = set->ref;
+  oldhash = 0;
+  hash = REFHASH(ref);
+  iterp = refhashpages.root;
+ check_depth:
+  iters = ((struct ir_set_t**) iterp->root) + hash;
+  if (*iters == NULL || *iters == set)
+    *iters = set;
+  else
+    { if (iterp->header.next == NULL)
+	pagelist_alloc(refhashpages);
+      iterp = iterp->header.next;
+      goto check_depth;
+    }
+  if (oldref != 0)
+    { wprintf("Ref override: 0x%x -> 0x%x for set %s\n", oldref, ref, set->name);
+      if (oldhash != 0)
+	*iters = NULL;
+      else
+	{ oldhash = hash;
+	  hash = REFHASH(oldref);
+	  goto check_depth;
+	}
+    }
+  set->ref = ref;
+}
+
+void ir_data_assign_path
+( union ir_setdata_t* setdata,
+  const uint8_t*      path
+)
+{ if (path == NULL)
+    eprintf("Null path in data %s\n", setdata->header.data_name);
+  if (setdata->header.src_filename != NULL)
+    wprintf("Path override: %s -> %s for setdata %s\n",
+	    setdata->header.src_filename, path, setdata->header.data_name);
+  setdata->header.src_filename = name_alloc(path);
+}
+
+union ir_setdata_t* ir_framesheet
+( const uint8_t* name,
+  apc_facing     d,
+  int            width,
+  int            height
+)
+{ return ir_framedata(FSDAT, name, d, width, height); }
+
+union ir_setdata_t* ir_mapsheet
+( const uint8_t* name,
+  apc_facing     d,
+  int            width,
+  int            height
+)
+{ return ir_framedata(MSDAT, name, d, width, height); }
+
+static inline
+union ir_setdata_t* ir_framedata
+( enum dtype     type,
+  const uint8_t* name,
+  apc_facing     d,
+  int            width,
+  int            height
+)
+{ struct ir_framedata_t* framedata = struct_alloc(ir_framedata_t);
+  struct_clear(framedata);
+  if (name == NULL)
+    eprintf("Null name in set allocation\n");
+  framedata->header.type = type;
+  framedata->header.data_name = name_alloc(name);
+  framedata->frameinfo.facing = d;
+  framedata->frameinfo.w = width;
+  framedata->frameinfo.h = height;
+  return (union ir_setdata_t*) framedata;
+}
+
+union ir_setdata_t* ir_audio
+( const uint8_t* name )
+{ struct ir_simplex_t* audio = struct_alloc(ir_simplex_t);
+  struct_clear(audio);
+  if (name == NULL)
+    eprintf("Null audio\n");
+  audio->header.type = ADAT;
+  audio->header.data_name = name_alloc(name);
+  return (union ir_setdata_t*) audio;
+}
+
+
+/* Create classld that points to a class */
+struct ir_classld_t* ir_classld_from_class
+( struct ir_class_t* class )
+{ struct ir_classld_t* classld;
+  if (class == NULL)
+    eprintf("Null class in classld\n");
+  classld = struct_alloc(ir_classld_t);
+  struct_clear(classld);
+  classld->root_class = class;
+  return classld;
+}
+
+struct ir_setld_t* ir_setld_from_ref
+( uint32_t ref )
+{ struct ir_setld_t* setld;
+  setld = struct_alloc(ir_setld_t);
+  struct_clear(setld);
+  setld->ref = ref;
+  return setld;
+}
+
+struct ir_setld_t* ir_setld_from_classld
+( struct ir_classld_t* classld,
+  const uint8_t*       name
+)
+{ struct ir_setld_t* setld;
+  setld = struct_alloc(ir_setld_t);
+  struct_clear(setld);
+  setld->namelist = struct_alloc(ir_namelist_t);
+  struct_clear(setld->namelist);
+  setld->namelist_head = setld->namelist;
+  setld->namelist_head->name = name_alloc(name);
+  setld->classld = classld;
+  return setld; 
+}
+
+struct ir_setld_t* ir_setld_addchild
+( struct ir_setld_t* setld,
+  const uint8_t*     name
+)
+{ if (setld->namelist == NULL)
+    { setld->namelist = struct_alloc(ir_namelist_t);
+      struct_clear(setld->namelist);
+      setld->namelist_head = setld->namelist;
+    }
+  else
+    { setld->namelist_head->nextsib = struct_alloc(ir_namelist_t);
+      struct_clear(setld->namelist_head->nextsib);
+      setld->namelist_head = setld->namelist_head->nextsib;
+    }
+  setld->namelist_head->name = name_alloc(name);
+  return setld;
+}
+
+union ir_setdata_t* ir_link
+( enum ltype         link_type,
+  struct ir_setld_t* setld,
+  const uint8_t*     name
+)
+{ struct ir_link_t* link;
+  link = struct_alloc(ir_link_t);
+  struct_clear(link);
+  link->header.type = LDAT;
+  link->type = link_type; 
+  link->classld = setld->classld;
+  link->setld = setld;
+  if (link_type != OLINK && name != NULL)
+    link->header.data_name = name_alloc(name);
+  return (union ir_setdata_t*) link;
+}
+
+/* Return a set's root framebox */
+union ir_setdata_t* ir_set_framebox
+( struct ir_set_t* set )
+{ return (union ir_setdata_t*) set->frameboxes; }
+
+/* Return a set's root audio data */
+union ir_setdata_t* ir_set_audio
+( struct ir_set_t* set )
+{ return (union ir_setdata_t*) set->audio; }
+
+/* Return a set's root link data */
+union ir_setdata_t* ir_set_link
+( struct ir_set_t* set )
+{ return (union ir_setdata_t*) set->links; }
+
+/* Return the link type */
+enum ltype ir_linkdata_type
+( union ir_setdata_t* linkdata )
+{ if (linkdata->header.type != LDAT)
+    eprintf("Data %s is not a link\n", linkdata->header.data_name);
+  return linkdata->link.type;
+}
+
+/* Return the link type */
+uint32_t ir_linkdata_ref
+( union ir_setdata_t* linkdata )
+{ if (linkdata->header.type != LDAT)
+    eprintf("Data %s is not a link\n", linkdata->header.data_name);
+  return linkdata->link.setld->ref;
+}
+
+/* Get a setdata's next sibling */
+union ir_setdata_t* ir_setdata_nextsib
+( union ir_setdata_t* setdata )
+{ return setdata->header.nextsib; }
+
+/* Get a setdata's name */
+uint8_t* ir_setdata_name
+( union ir_setdata_t* setdata )
+{ return setdata->header.data_name; }
+
+/* Get a setdata's filename */
+uint8_t* ir_setdata_filename
+( union ir_setdata_t* setdata )
+{ return setdata->header.src_filename; }
+
+/* Get a setdata's file position */
+long ir_setdata_fpos
+( union ir_setdata_t* setdata )
+{ return setdata->header.filepos; }
+
+/* Set a setdata's file position */
+void ir_setdata_assign_fpos
+( union ir_setdata_t* setdata,
+  long                newpos
+)
+{ setdata->header.filepos = newpos; }
+
+/* Return a framebox's specified framesheet */
+union ir_setdata_t* ir_framebox_framesheet
+( union ir_setdata_t* fbox,
+  apc_facing          facing
+)
+{ if (fbox->header.type != FBDAT)
+    eprintf("Data %s is not a framebox\n", fbox->header.data_name);
+  return (union ir_setdata_t*) &fbox->framebox.framesheets[facing];
+}
+
+/* Return a framebox's specified mapsheet */
+union ir_setdata_t* ir_framebox_mapsheet
+( union ir_setdata_t* fbox,
+  apc_facing          facing
+)
+{ if (fbox->header.type != FBDAT)
+    eprintf("Data %s is not a framebox\n", fbox->header.data_name);
+  return (union ir_setdata_t*) &fbox->framebox.mapsheets[facing];
+}
+
+/* Return a framedata's frame info */
+struct ir_frameinfo_t* ir_framedata_frameinfo
+( union ir_setdata_t* framedata )
+{ if (framedata->header.type != MSDAT && framedata->header.type != FSDAT)
+    eprintf("Data %s is not a framedata\n", framedata->header.data_name);
+  return &framedata->mapsheet.frameinfo;
+}
+
+
+/** Allocators **/
+static
+uint8_t* name_alloc
+( const uint8_t* name_src )
+{ const uint8_t* iter;
+  uint8_t*       name;
+  int            head_mem;
+ copy:
+  name = (uint8_t*)namepages.head->header.head;
+  iter = name_src;
+  for (head_mem = PL_HEADMEM(namepages); *iter && *iter != '_' && *iter != '.' && head_mem; head_mem--)
+    *(namepages.head->header.head)++ = *iter++;
+  if (head_mem < 1) //not enough room
+    { pagelist_alloc(namepages);
+      goto copy;
+    }
+  *(namepages.head->header.head)++ = '\0';
+  return name;
+}
+
+static
+uint8_t* classname_alloc
+( const uint8_t* name_src )
+{ const uint8_t* iter;
+  uint8_t*       name;
+  int            head_mem;
+ copy:
+  name = (uint8_t*)namepages.head->header.head;
+  iter = name_src;
+  for (head_mem = PL_HEADMEM(namepages); *iter && head_mem; head_mem--)
+    *(namepages.head->header.head)++ = *iter++;
+  if (head_mem < 1) //not enough room
+    { pagelist_alloc(namepages);
+      goto copy;
+    }
+  *(namepages.head->header.head)++ = '\0';
+  return name;
+}
+
+static void crawl_class(struct ir_class_t*);
+static void crawl_set(struct ir_set_t*,int);
+
+extern
+int binout_init(ir_class);
+void     ir_test(void)
+{ uprintf("IR From Directory: %s\n",getcwd(NULL,255));
+  crawl_class(&root_class);
+  if (root_class.root_set != NULL)
+    crawl_set(root_class.root_set, 0);
+  uprintf("starting binaryout \n");
+  binout_init(&root_class);
+}
+
+
+static
+void crawl_class
+( struct ir_class_t* class )
+{ struct ir_class_t* iter;
+  for (iter = class->nextchild; iter != NULL; iter = iter->nextsib)
+    { wprintf("Crawling class %U/\n", iter->name);
+      if(chdir((char*)iter->name))
+	eprintf("CHDIR %U from %s\n",iter->name,getcwd(NULL,255));
+      crawl_class(iter);
+      if (iter->root_set != NULL)
+        crawl_set(iter->root_set, 0);
+      uprintf("%U\\\n",iter->name);
+      if (chdir(".."))
+ 	eprintf("CHDIR ..\n");
+      wprintf("Finished crawling class %U/\n", iter->name);
+    }
+}
+
+#define push_setp(setp) (*(struct ir_set_t**)stack_alloc(&datapages, sizeof(struct ir_set_t*)) = setp)
+#define pop_setp()      (*(struct ir_set_t**)pagelist_pop(&datapages, sizeof(struct ir_set_t*)))
+static
+void crawl_set
+( struct ir_set_t* set,
+  int depth
+)
+{ struct ir_set_t* iter;
+  int i;
+  i = depth * 12;
+  while (i--)
+    putchar('.');
+  i = depth;
+
+  for(iter = set; iter != NULL; iter = iter->nextchild)
+    { uprintf("[%10U]", iter->name);
+      push_setp(iter);
+      i++;
+    }
+
+  putchar('\n');
+  while (--i >= depth)
+    if (((iter = pop_setp())->nextsib) != NULL)
+      crawl_set(iter->nextsib,i);
 }