--- /dev/null
+/* classes: h_files */
+
+#ifndef SCM_DEBUG_H
+#define SCM_DEBUG_H
+
+/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2004
+ * Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+\f
+
+#include "libguile/__scm.h"
+
+#include "libguile/options.h"
+\f
+
+/*
+ * Here comes some definitions for the debugging machinery.
+ * It might seem strange to represent debug flags as ints,
+ * but consider that any particular piece of code is normally
+ * only interested in one flag at a time. This is then
+ * the most efficient representation.
+ */
+
+/* {Options}
+ */
+
+/* scm_debug_opts is defined in eval.c.
+ */
+
+SCM_API scm_t_option scm_debug_opts[];
+
+#define SCM_BREAKPOINTS_P scm_debug_opts[1].val
+#define SCM_TRACE_P scm_debug_opts[2].val
+#define SCM_REC_PROCNAMES_P scm_debug_opts[3].val
+#define SCM_BACKWARDS_P scm_debug_opts[4].val
+#define SCM_BACKTRACE_WIDTH scm_debug_opts[5].val
+#define SCM_BACKTRACE_INDENT scm_debug_opts[6].val
+#define SCM_N_FRAMES scm_debug_opts[7].val
+#define SCM_BACKTRACE_MAXDEPTH scm_debug_opts[8].val
+#define SCM_BACKTRACE_DEPTH scm_debug_opts[9].val
+#define SCM_BACKTRACE_P scm_debug_opts[10].val
+#define SCM_DEVAL_P scm_debug_opts[11].val
+#define SCM_STACK_LIMIT scm_debug_opts[12].val
+#define SCM_SHOW_FILE_NAME scm_debug_opts[13].val
+#define SCM_WARN_DEPRECATED scm_debug_opts[14].val
+#define SCM_N_DEBUG_OPTIONS 15
+
+SCM_API int scm_debug_mode_p;
+SCM_API int scm_check_entry_p;
+SCM_API int scm_check_apply_p;
+SCM_API int scm_check_exit_p;
+
+#define SCM_RESET_DEBUG_MODE \
+do {\
+ scm_check_entry_p = (SCM_ENTER_FRAME_P || SCM_BREAKPOINTS_P)\
+ && scm_is_true (SCM_ENTER_FRAME_HDLR);\
+ scm_check_apply_p = (SCM_APPLY_FRAME_P || SCM_TRACE_P)\
+ && scm_is_true (SCM_APPLY_FRAME_HDLR);\
+ scm_check_exit_p = (SCM_EXIT_FRAME_P || SCM_TRACE_P)\
+ && scm_is_true (SCM_EXIT_FRAME_HDLR);\
+ scm_debug_mode_p = SCM_DEVAL_P\
+ || scm_check_entry_p || scm_check_apply_p || scm_check_exit_p;\
+} while (0)
+
+/* {Evaluator}
+ */
+
+typedef union scm_t_debug_info
+{
+ struct { SCM exp, env; } e;
+ struct { SCM proc, args; } a;
+ SCM id;
+} scm_t_debug_info;
+
+SCM_API long scm_debug_eframe_size;
+
+typedef struct scm_t_debug_frame
+{
+ struct scm_t_debug_frame *prev;
+ long status;
+ scm_t_debug_info *vect;
+ scm_t_debug_info *info;
+} scm_t_debug_frame;
+
+#define SCM_EVALFRAME (0L << 11)
+#define SCM_APPLYFRAME (1L << 11)
+#define SCM_VOIDFRAME (3L << 11)
+#define SCM_MACROEXPF (1L << 10)
+#define SCM_TAILREC (1L << 9)
+#define SCM_TRACED_FRAME (1L << 8)
+#define SCM_ARGS_READY (1L << 7)
+#define SCM_DOVERFLOW (1L << 6)
+#define SCM_MAX_FRAME_SIZE 63
+
+#define SCM_FRAMETYPE (3L << 11)
+
+#define SCM_EVALFRAMEP(x) (((x).status & SCM_FRAMETYPE) == SCM_EVALFRAME)
+#define SCM_APPLYFRAMEP(x) (((x).status & SCM_FRAMETYPE) == SCM_APPLYFRAME)
+#define SCM_VOIDFRAMEP(x) (((x).status & SCM_FRAMETYPE) == SCM_VOIDFRAME)
+#define SCM_OVERFLOWP(x) (((x).status & SCM_DOVERFLOW) != 0)
+#define SCM_ARGS_READY_P(x) (((x).status & SCM_ARGS_READY) != 0)
+#define SCM_TRACED_FRAME_P(x) (((x).status & SCM_TRACED_FRAME) != 0)
+#define SCM_TAILRECP(x) (((x).status & SCM_TAILREC) != 0)
+#define SCM_MACROEXPP(x) (((x).status & SCM_MACROEXPF) != 0)
+#define SCM_SET_OVERFLOW(x) ((x).status |= SCM_DOVERFLOW)
+#define SCM_SET_ARGSREADY(x) ((x).status |= SCM_ARGS_READY)
+#define SCM_CLEAR_ARGSREADY(x) ((x).status &= ~SCM_ARGS_READY)
+#define SCM_SET_TRACED_FRAME(x) ((x).status |= SCM_TRACED_FRAME)
+#define SCM_CLEAR_TRACED_FRAME(x) ((x).status &= ~SCM_TRACED_FRAME)
+#define SCM_SET_TAILREC(x) ((x).status |= SCM_TAILREC)
+#define SCM_SET_MACROEXP(x) ((x).status |= SCM_MACROEXPF)
+#define SCM_CLEAR_MACROEXP(x) ((x).status &= ~SCM_MACROEXPF)
+
+/* {Debug Objects}
+ */
+
+SCM_API scm_t_bits scm_tc16_debugobj;
+
+#define SCM_DEBUGOBJP(x) \
+ SCM_TYP16_PREDICATE (scm_tc16_debugobj, x)
+#define SCM_DEBUGOBJ_FRAME(x) \
+ ((scm_t_debug_frame *) SCM_CELL_WORD_1 (x))
+#define SCM_SET_DEBUGOBJ_FRAME(x, f) SCM_SET_CELL_WORD_1 (x, f)
+
+/* {Memoized Source}
+ */
+
+SCM_API scm_t_bits scm_tc16_memoized;
+
+#define SCM_MEMOIZEDP(x) SCM_TYP16_PREDICATE (scm_tc16_memoized, x)
+#define SCM_MEMOIZED_EXP(x) SCM_CAR (SCM_CELL_OBJECT_1 (x))
+#define SCM_MEMOIZED_ENV(x) SCM_CDR (SCM_CELL_OBJECT_1 (x))
+
+\f
+
+SCM_API SCM scm_debug_object_p (SCM obj);
+SCM_API SCM scm_local_eval (SCM exp, SCM env);
+SCM_API SCM scm_reverse_lookup (SCM env, SCM data);
+SCM_API SCM scm_start_stack (SCM info_id, SCM exp, SCM env);
+SCM_API SCM scm_procedure_environment (SCM proc);
+SCM_API SCM scm_procedure_source (SCM proc);
+SCM_API SCM scm_procedure_name (SCM proc);
+SCM_API SCM scm_memoized_environment (SCM m);
+SCM_API SCM scm_make_memoized (SCM exp, SCM env);
+SCM_API SCM scm_memoized_p (SCM obj);
+SCM_API SCM scm_with_traps (SCM thunk);
+SCM_API SCM scm_evaluator_traps (SCM setting);
+SCM_API SCM scm_debug_options (SCM setting);
+SCM_API SCM scm_make_debugobj (scm_t_debug_frame *debug);
+
+SCM_API SCM scm_i_unmemoize_expr (SCM memoized);
+SCM_API void scm_init_debug (void);
+
+#ifdef GUILE_DEBUG
+SCM_API SCM scm_memcons (SCM car, SCM cdr, SCM env);
+SCM_API SCM scm_mem_to_proc (SCM obj);
+SCM_API SCM scm_proc_to_mem (SCM obj);
+SCM_API SCM scm_debug_hang (SCM obj);
+#endif /*GUILE_DEBUG*/
+
+#if SCM_ENABLE_DEPRECATED == 1
+
+#define CHECK_ENTRY scm_check_entry_p
+#define CHECK_APPLY scm_check_apply_p
+#define CHECK_EXIT scm_check_exit_p
+
+/* Deprecated in guile 1.7.0 on 2004-03-29. */
+#define SCM_DEBUGGINGP scm_debug_mode_p
+#define scm_debug_mode scm_debug_mode_p
+
+#endif
+
+#endif /* SCM_DEBUG_H */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
projects / lilypond.git / blobdiff