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- /* classes: h_files */
-
- #ifndef ROOTH
- #define ROOTH
-
- /* Copyright (C) 1996,1998 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
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * 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. */
-
-
-
-
- #include "libguile/__scm.h"
- #include "libguile/debug.h"
- #include "libguile/throw.h"
-
-
-
- #define scm_flo0 scm_sys_protects[0]
- #define scm_listofnull scm_sys_protects[1]
- #define scm_undefineds scm_sys_protects[2]
- #define scm_nullvect scm_sys_protects[3]
- #define scm_nullstr scm_sys_protects[4]
- #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]
- #ifdef DEBUG_EXTENSIONS
- #define scm_source_whash scm_sys_protects[16]
- #define SCM_NUM_PROTECTS 17
- #else
- #define SCM_NUM_PROTECTS 16
- #endif
-
- 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))
-
- typedef struct scm_root_state
- {
- SCM_STACKITEM * stack_base;
- jmp_buf save_regs_gc_mark;
- int errjmp_bad;
-
- SCM rootcont;
- SCM dynwinds;
- SCM continuation_stack;
- SCM continuation_stack_ptr;
- #ifdef DEBUG_EXTENSIONS
- /* It is very inefficient to have this variable in the root state. */
- scm_debug_frame *last_debug_frame;
- #endif
-
- SCM progargs; /* vestigial */
- SCM exitval; /* vestigial */
-
- SCM cur_inp;
- SCM cur_outp;
- SCM cur_errp;
- SCM def_inp;
- SCM def_outp;
- SCM def_errp;
- SCM cur_loadp;
-
- SCM fluids;
-
- SCM system_transformer;
- SCM top_level_lookup_closure_var;
-
- SCM handle; /* The root object for this root state */
- SCM parent; /* The parent root object */
- } scm_root_state;
-
- #define scm_stack_base (scm_root->stack_base)
- #define scm_save_regs_gc_mark (scm_root->save_regs_gc_mark)
- #define scm_errjmp_bad (scm_root->errjmp_bad)
-
- #define scm_rootcont (scm_root->rootcont)
- #define scm_dynwinds (scm_root->dynwinds)
- #define scm_continuation_stack (scm_root->continuation_stack)
- #define scm_continuation_stack_ptr (scm_root->continuation_stack_ptr)
- #define scm_progargs (scm_root->progargs)
- #ifdef USE_THREADS
- #define scm_last_debug_frame (scm_root->last_debug_frame)
- #endif
- #define scm_exitval (scm_root->exitval)
- #define scm_cur_inp (scm_root->cur_inp)
- #define scm_cur_outp (scm_root->cur_outp)
- #define scm_cur_errp (scm_root->cur_errp)
- #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_cur_loadp (scm_root->cur_loadp)
- #define scm_top_level_lookup_closure_var \
- (scm_root->top_level_lookup_closure_var)
- #define scm_system_transformer (scm_root->system_transformer)
-
- #ifdef USE_THREADS
- #define scm_root ((scm_root_state *) SCM_THREAD_LOCAL_DATA)
- #define scm_set_root(new_root) SCM_SET_THREAD_LOCAL_DATA (new_root)
- #else /* USE_THREADS */
- extern struct scm_root_state *scm_root;
- #define scm_set_root(new_root) (scm_root = (new_root))
- #endif /* USE_THREADS */
-
-
-
- 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_dynamic_root SCM_P ((void));
- 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));
-
- #endif /* ROOTH */
-