* Deprecated function scm_call_catching_errors.
[bpt/guile.git] / libguile / root.h
index 8f1545f..2c6bdc2 100644 (file)
@@ -3,7 +3,7 @@
 #ifndef ROOTH
 #define ROOTH
 
-/*     Copyright (C) 1996 Free Software Foundation, Inc.
+/*     Copyright (C) 1996,1998, 2000 Free Software Foundation, Inc.
  * 
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -43,6 +43,9 @@
  * If you write modifications of your own for GUILE, it is your choice
  * whether to permit this exception to apply to your modifications.
  * If you do not wish that, delete this exception notice.  */
+
+/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
+   gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
 \f
 
 \f
 #define scm_symhash scm_sys_protects[5]
 #define scm_weak_symhash scm_sys_protects[6]
 #define scm_symhash_vars scm_sys_protects[7]
-#define scm_kw_obarray scm_sys_protects[8]
-#define scm_type_obj_list scm_sys_protects[9]
-#define scm_first_type scm_sys_protects[10]
-#define scm_stand_in_procs scm_sys_protects[11]
-#define scm_object_whash scm_sys_protects[12]
-#define scm_permobjs scm_sys_protects[13]
-#define scm_asyncs scm_sys_protects[14]
-#define scm_protects scm_sys_protects[15]
+#define scm_keyword_obarray scm_sys_protects[8]
+#define scm_stand_in_procs scm_sys_protects[9]
+#define scm_object_whash scm_sys_protects[10]
+#define scm_permobjs scm_sys_protects[11]
+#define scm_asyncs scm_sys_protects[12]
+#define scm_protects scm_sys_protects[13]
 #ifdef DEBUG_EXTENSIONS
-#define scm_source_whash scm_sys_protects[16]
-#define SCM_NUM_PROTECTS 17
+#define scm_source_whash scm_sys_protects[14]
+#define SCM_NUM_PROTECTS 15
 #else
-#define SCM_NUM_PROTECTS 16
+#define SCM_NUM_PROTECTS 14
 #endif
 
 extern SCM scm_sys_protects[];
@@ -82,8 +83,8 @@ extern SCM scm_sys_protects[];
 
 extern long scm_tc16_root;
 
-#define SCM_ROOTP(obj) (scm_tc16_root == SCM_TYP16 (obj))
-#define SCM_ROOT_STATE(root) ((scm_root_state *) SCM_CDR (root))
+#define SCM_ROOTP(obj) (SCM_NIMP(obj) && (scm_tc16_root == SCM_TYP16 (obj)))
+#define SCM_ROOT_STATE(root) ((scm_root_state *) SCM_CELL_WORD_1 (root))
 
 typedef struct scm_root_state
 {
@@ -109,13 +110,12 @@ typedef struct scm_root_state
   SCM def_inp;
   SCM def_outp;
   SCM def_errp;
+  SCM cur_loadp;
 
   SCM fluids;
 
-  SCM system_transformer;
-  SCM top_level_lookup_closure_var;
-
-  SCM the_last_stack_var;
+  SCM system_transformer;          /* No longer used (but kept for binary compatibility) */
+  SCM top_level_lookup_closure_var; /* No longer used (but kept for binary compatibility) */
 
   SCM handle;                  /* The root object for this root state */
   SCM parent;                  /* The parent root object */
@@ -140,10 +140,7 @@ typedef struct scm_root_state
 #define scm_def_inp                    (scm_root->def_inp)
 #define scm_def_outp                   (scm_root->def_outp)
 #define scm_def_errp                   (scm_root->def_errp)
-#define scm_top_level_lookup_closure_var \
-                                       (scm_root->top_level_lookup_closure_var)
-#define scm_system_transformer         (scm_root->system_transformer)
-#define scm_the_last_stack_var         (scm_root->the_last_stack_var)
+#define scm_cur_loadp                  (scm_root->cur_loadp)
      
 #ifdef USE_THREADS
 #define scm_root ((scm_root_state *) SCM_THREAD_LOCAL_DATA)
@@ -155,15 +152,30 @@ extern struct scm_root_state *scm_root;
 
 \f
 
-extern SCM scm_make_root SCM_P ((SCM parent));
-extern SCM scm_internal_cwdr SCM_P ((scm_catch_body_t body,
-                                    void *body_data,
-                                    scm_catch_handler_t handler,
-                                    void *handler_data,
-                                    SCM_STACKITEM *stack_start));
-extern SCM scm_call_with_dynamic_root SCM_P ((SCM thunk, SCM handler));
-extern SCM scm_apply_with_dynamic_root SCM_P ((SCM proc, SCM a1, SCM args, SCM handler));
-extern SCM scm_call_catching_errors SCM_P ((SCM (*thunk)(), SCM (*err_filter)(), void * closure));
-extern void scm_init_root SCM_P ((void));
+extern SCM scm_make_root (SCM parent);
+extern SCM scm_internal_cwdr (scm_catch_body_t body,
+                              void *body_data,
+                              scm_catch_handler_t handler,
+                              void *handler_data,
+                              SCM_STACKITEM *stack_start);
+extern SCM scm_call_with_dynamic_root (SCM thunk, SCM handler);
+extern SCM scm_dynamic_root (void);
+extern SCM scm_apply_with_dynamic_root (SCM proc, SCM a1, SCM args, SCM handler);
+extern void scm_init_root (void);
+
+\f
+
+#if (SCM_DEBUG_DEPRECATED == 0)
+
+/* Use the catch functions from throw.[ch] instead of: */
+extern SCM scm_call_catching_errors (SCM (*thunk)(), SCM (*err_filter)(), void * closure);
+
+#endif  /* SCM_DEBUG_DEPRECATED == 0 */
 
 #endif  /* ROOTH */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/