-/* Copyright (C) 1995,1996, 1997 Free Software Foundation
- *
- * 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.
- *
- * The author can be reached at djurfeldt@nada.kth.se
- * Mikael Djurfeldt, SANS/NADA KTH, 10044 STOCKHOLM, SWEDEN */
-\f
-
-#include <stdio.h>
-#include "_scm.h"
-#include "smob.h"
-#include "alist.h"
-#include "debug.h"
-#include "hashtab.h"
-#include "hash.h"
-#include "weaks.h"
-
-#include "srcprop.h"
-\f
-/* {Source Properties}
- *
- * Properties of source list expressions.
- * Five of these have special meaning and optimized storage:
- *
- * filename string The name of the source file.
- * copy list A copy of the list expression.
- * line integer The source code line number.
- * column integer The source code column number.
- * breakpoint boolean Sets a breakpoint on this form.
- *
- * Most properties above can be set by the reader.
- *
- */
-
-SCM scm_i_filename;
-SCM scm_i_copy;
-SCM scm_i_line;
-SCM scm_i_column;
-SCM scm_i_breakpoint;
-
-long scm_tc16_srcprops;
-static scm_srcprops_chunk *srcprops_chunklist = 0;
-static scm_srcprops *srcprops_freelist = 0;
-
-
-static SCM marksrcprops SCM_P ((SCM obj));
-
-static SCM
-marksrcprops (obj)
- SCM obj;
-{
- scm_gc_mark (SRCPROPFNAME (obj));
- scm_gc_mark (SRCPROPCOPY (obj));
- return SRCPROPPLIST (obj);
-}
-
-
-static scm_sizet freesrcprops SCM_P ((SCM obj));
-
-static scm_sizet
-freesrcprops (obj)
- SCM obj;
-{
- *((scm_srcprops **) SCM_CDR (obj)) = srcprops_freelist;
- srcprops_freelist = (scm_srcprops *) SCM_CDR (obj);
- return 0; /* srcprops_chunks are not freed until leaving guile */
-}
-
-
-static int prinsrcprops SCM_P ((SCM obj, SCM port, scm_print_state *pstate));
-
-static int
-prinsrcprops (obj, port, pstate)
- SCM obj;
- SCM port;
- scm_print_state *pstate;
-{
- int writingp = SCM_WRITINGP (pstate);
- scm_puts ("#<srcprops ", port);
- SCM_SET_WRITINGP (pstate, 1);
- scm_iprin1 (scm_srcprops_to_plist (obj), port, pstate);
- SCM_SET_WRITINGP (pstate, writingp);
- scm_putc ('>', port);
- return 1;
-}
-
-static scm_smobfuns srcpropssmob =
-{marksrcprops, freesrcprops, prinsrcprops, 0};
-
-
-SCM
-scm_make_srcprops (line, col, filename, copy, plist)
- int line;
- int col;
- SCM filename;
- SCM copy;
- SCM plist;
-{
- register SCM ans;
- register scm_srcprops *ptr;
- SCM_DEFER_INTS;
- if ((ptr = srcprops_freelist) != NULL)
- srcprops_freelist = *(scm_srcprops **)ptr;
- else
- {
- int i;
- scm_srcprops_chunk *mem;
- scm_sizet n = sizeof (scm_srcprops_chunk)
- + sizeof (scm_srcprops) * (SRCPROPS_CHUNKSIZE - 1);
- SCM_SYSCALL (mem = (scm_srcprops_chunk *) malloc (n));
- SCM_ASSERT (mem, SCM_UNDEFINED, SCM_NALLOC, "srcprops");
- scm_mallocated += n;
- mem->next = srcprops_chunklist;
- srcprops_chunklist = mem;
- ptr = &mem->srcprops[0];
- for (i = 1; i < SRCPROPS_CHUNKSIZE - 1; ++i)
- *(scm_srcprops **)&ptr[i] = &ptr[i + 1];
- *(scm_srcprops **)&ptr[SRCPROPS_CHUNKSIZE - 1] = 0;
- srcprops_freelist = (scm_srcprops *) &ptr[1];
- }
- SCM_NEWCELL (ans);
- SCM_SETCAR (ans, scm_tc16_srcprops);
- ptr->pos = SRCPROPMAKPOS (line, col);
- ptr->fname = filename;
- ptr->copy = copy;
- ptr->plist = plist;
- SCM_SETCDR (ans, (SCM) ptr);
- SCM_ALLOW_INTS;
- return ans;
-}
-
-
-SCM
-scm_srcprops_to_plist (obj)
- SCM obj;
-{
- SCM plist = SRCPROPPLIST (obj);
- if (!SCM_UNBNDP (SRCPROPCOPY (obj)))
- plist = scm_acons (scm_i_copy, SRCPROPCOPY (obj), plist);
- if (!SCM_UNBNDP (SRCPROPFNAME (obj)))
- plist = scm_acons (scm_i_filename, SRCPROPFNAME (obj), plist);
- plist = scm_acons (scm_i_column, SCM_MAKINUM (SRCPROPCOL (obj)), plist);
- plist = scm_acons (scm_i_line, SCM_MAKINUM (SRCPROPLINE (obj)), plist);
- plist = scm_acons (scm_i_breakpoint, SRCPROPBRK (obj), plist);
- return plist;
-}
-
-SCM_PROC (s_source_properties, "source-properties", 1, 0, 0, scm_source_properties);
-
-SCM
-scm_source_properties (obj)
- SCM obj;
-{
- SCM p;
- SCM_ASSERT (SCM_NIMP (obj), obj, SCM_ARG1, s_source_properties);
- if (SCM_MEMOIZEDP (obj))
- obj = SCM_MEMOIZED_EXP (obj);
-#ifndef SCM_RECKLESS
- else if (SCM_NCONSP (obj))
- scm_wrong_type_arg (s_source_properties, 1, obj);
-#endif
- p = scm_hashq_ref (scm_source_whash, obj, (SCM) NULL);
- if (p != (SCM) NULL && SRCPROPSP (p))
- return scm_srcprops_to_plist (p);
- return SCM_EOL;
-}
-
-/* Perhaps this procedure should look through an alist
- and try to make a srcprops-object...? */
-SCM_PROC (s_set_source_properties_x, "set-source-properties!", 2, 0, 0, scm_set_source_properties_x);
-
-SCM
-scm_set_source_properties_x (obj, plist)
- SCM obj;
- SCM plist;
-{
- SCM handle;
- SCM_ASSERT (SCM_NIMP (obj), obj, SCM_ARG1, s_set_source_properties_x);
- if (SCM_MEMOIZEDP (obj))
- obj = SCM_MEMOIZED_EXP (obj);
-#ifndef SCM_RECKLESS
- else if (SCM_NCONSP (obj))
- scm_wrong_type_arg (s_set_source_properties_x, 1, obj);
-#endif
- handle = scm_hashq_create_handle_x (scm_source_whash, obj, plist);
- SCM_SETCDR (handle, plist);
- return plist;
-}
-
-SCM_PROC (s_source_property, "source-property", 2, 0, 0, scm_source_property);
-
-SCM
-scm_source_property (obj, key)
- SCM obj;
- SCM key;
-{
- SCM p;
- SCM_ASSERT (SCM_NIMP (obj), obj, SCM_ARG1, s_source_property);
- if (SCM_MEMOIZEDP (obj))
- obj = SCM_MEMOIZED_EXP (obj);
-#ifndef SCM_RECKLESS
- else if (SCM_NCONSP (obj))
- scm_wrong_type_arg (s_source_property, 1, obj);
-#endif
- p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
- if (SCM_IMP (p) || !SRCPROPSP (p))
- goto plist;
- if (scm_i_breakpoint == key) p = SRCPROPBRK (p);
- else if (scm_i_line == key) p = SCM_MAKINUM (SRCPROPLINE (p));
- else if (scm_i_column == key) p = SCM_MAKINUM (SRCPROPCOL (p));
- else if (scm_i_filename == key) p = SRCPROPFNAME (p);
- else if (scm_i_copy == key) p = SRCPROPCOPY (p);
- else
- {
- p = SRCPROPPLIST (p);
- plist:
- p = scm_assoc (key, p);
- return (SCM_NIMP (p) ? SCM_CDR (p) : SCM_BOOL_F);
- }
- return SCM_UNBNDP (p) ? SCM_BOOL_F : p;
-}
-
-SCM_PROC (s_set_source_property_x, "set-source-property!", 3, 0, 0, scm_set_source_property_x);
-
-SCM
-scm_set_source_property_x (obj, key, datum)
- SCM obj;
- SCM key;
- SCM datum;
-{
- scm_whash_handle h;
- SCM p;
- SCM_ASSERT (SCM_NIMP (obj), obj, SCM_ARG1, s_set_source_property_x);
- if (SCM_MEMOIZEDP (obj))
- obj = SCM_MEMOIZED_EXP (obj);
-#ifndef SCM_RECKLESS
- else if (SCM_NCONSP (obj))
- scm_wrong_type_arg (s_set_source_property_x, 1, obj);
-#endif
- h = scm_whash_get_handle (scm_source_whash, obj);
- if (SCM_WHASHFOUNDP (h))
- p = SCM_WHASHREF (scm_source_whash, h);
- else
- {
- h = scm_whash_create_handle (scm_source_whash, obj);
- p = SCM_EOL;
- }
- if (scm_i_breakpoint == key)
- {
- if (SCM_FALSEP (datum))
- CLEARSRCPROPBRK (SCM_NIMP (p) && SRCPROPSP (p)
- ? p
- : SCM_WHASHSET (scm_source_whash, h,
- scm_make_srcprops (0,
- 0,
- SCM_UNDEFINED,
- SCM_UNDEFINED,
- p)));
- else
- SETSRCPROPBRK (SCM_NIMP (p) && SRCPROPSP (p)
- ? p
- : SCM_WHASHSET (scm_source_whash, h,
- scm_make_srcprops (0,
- 0,
- SCM_UNDEFINED,
- SCM_UNDEFINED,
- p)));
- }
- else if (scm_i_line == key)
- {
- if (SCM_NIMP (p) && SRCPROPSP (p))
- SETSRCPROPLINE (p, datum);
- else
- SCM_WHASHSET (scm_source_whash, h,
- scm_make_srcprops (datum, 0, SCM_UNDEFINED, SCM_UNDEFINED, p));
- }
- else if (scm_i_column == key)
- {
- if (SCM_NIMP (p) && SRCPROPSP (p))
- SETSRCPROPCOL (p, datum);
- else
- SCM_WHASHSET (scm_source_whash, h,
- scm_make_srcprops (0, datum, SCM_UNDEFINED, SCM_UNDEFINED, p));
- }
- else if (scm_i_filename == key)
- {
- if (SCM_NIMP (p) && SRCPROPSP (p))
- SRCPROPFNAME (p) = datum;
- else
- SCM_WHASHSET (scm_source_whash, h, scm_make_srcprops (0, 0, datum, SCM_UNDEFINED, p));
- }
- else if (scm_i_filename == key)
- {
- if (SCM_NIMP (p) && SRCPROPSP (p))
- SRCPROPCOPY (p) = datum;
- else
- SCM_WHASHSET (scm_source_whash, h, scm_make_srcprops (0, 0, SCM_UNDEFINED, datum, p));
- }
- else
- SCM_WHASHSET (scm_source_whash, h, scm_acons (key, datum, p));
- return SCM_UNSPECIFIED;
-}
-
-
-void
-scm_init_srcprop ()
-{
- scm_tc16_srcprops = scm_newsmob (&srcpropssmob);
- scm_source_whash = scm_make_weak_key_hash_table (SCM_MAKINUM (2047));
-
- scm_i_filename = SCM_CAR (scm_sysintern ("filename", SCM_UNDEFINED));
- scm_i_copy = SCM_CAR (scm_sysintern ("copy", SCM_UNDEFINED));
- scm_i_line = SCM_CAR (scm_sysintern ("line", SCM_UNDEFINED));
- scm_i_column = SCM_CAR (scm_sysintern ("column", SCM_UNDEFINED));
- scm_i_breakpoint = SCM_CAR (scm_sysintern ("breakpoint", SCM_UNDEFINED));
-
- scm_sysintern ("source-whash", scm_source_whash);
-#include "srcprop.x"
-}
-
-void
-scm_finish_srcprop ()
-{
- register scm_srcprops_chunk *ptr = srcprops_chunklist, *next;
- while (ptr)
- {
- next = ptr->next;
- free ((char *) ptr);
- scm_mallocated -= sizeof (scm_srcprops_chunk)
- + sizeof (scm_srcprops) * (SRCPROPS_CHUNKSIZE - 1);
- ptr = next;
- }
-}
+/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002, 2006 Free Software Foundation
+ *
+ * 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 <errno.h>
+
+#include "libguile/_scm.h"
+#include "libguile/async.h"
+#include "libguile/smob.h"
+#include "libguile/alist.h"
+#include "libguile/debug.h"
+#include "libguile/hashtab.h"
+#include "libguile/hash.h"
+#include "libguile/ports.h"
+#include "libguile/root.h"
+#include "libguile/weaks.h"
+
+#include "libguile/validate.h"
+#include "libguile/srcprop.h"
+\f
+/* {Source Properties}
+ *
+ * Properties of source list expressions.
+ * Five of these have special meaning:
+ *
+ * filename string The name of the source file.
+ * copy list A copy of the list expression.
+ * line integer The source code line number.
+ * column integer The source code column number.
+ * breakpoint boolean Sets a breakpoint on this form.
+ *
+ * Most properties above can be set by the reader.
+ *
+ */
+
+SCM_GLOBAL_SYMBOL (scm_sym_filename, "filename");
+SCM_GLOBAL_SYMBOL (scm_sym_copy, "copy");
+SCM_GLOBAL_SYMBOL (scm_sym_line, "line");
+SCM_GLOBAL_SYMBOL (scm_sym_column, "column");
+SCM_GLOBAL_SYMBOL (scm_sym_breakpoint, "breakpoint");
+
+
+
+/*
+ layout:
+
+ car = tag
+ cbr = pos
+ ccr = copy
+ cdr = plist
+*/
+
+#define SRCPROPSP(p) (SCM_SMOB_PREDICATE (scm_tc16_srcprops, (p)))
+#define SRCPROPBRK(p) (SCM_SMOB_FLAGS (p) & SCM_SOURCE_PROPERTY_FLAG_BREAK)
+#define SRCPROPPOS(p) (SCM_CELL_WORD(p,1))
+#define SRCPROPLINE(p) (SRCPROPPOS(p) >> 12)
+#define SRCPROPCOL(p) (SRCPROPPOS(p) & 0x0fffL)
+#define SRCPROPCOPY(p) (SCM_CELL_OBJECT(p,2))
+#define SRCPROPPLIST(p) (SCM_CELL_OBJECT_3(p))
+#define SETSRCPROPBRK(p) \
+ (SCM_SET_SMOB_FLAGS ((p), \
+ SCM_SMOB_FLAGS (p) | SCM_SOURCE_PROPERTY_FLAG_BREAK))
+#define CLEARSRCPROPBRK(p) \
+ (SCM_SET_SMOB_FLAGS ((p), \
+ SCM_SMOB_FLAGS (p) & ~SCM_SOURCE_PROPERTY_FLAG_BREAK))
+#define SRCPROPMAKPOS(l, c) (((l) << 12) + (c))
+#define SETSRCPROPPOS(p, l, c) (SCM_SET_CELL_WORD(p,1, SRCPROPMAKPOS (l, c)))
+#define SETSRCPROPLINE(p, l) SETSRCPROPPOS (p, l, SRCPROPCOL (p))
+#define SETSRCPROPCOL(p, c) SETSRCPROPPOS (p, SRCPROPLINE (p), c)
+
+
+
+scm_t_bits scm_tc16_srcprops;
+
+static SCM
+srcprops_mark (SCM obj)
+{
+ scm_gc_mark (SRCPROPCOPY (obj));
+ return SRCPROPPLIST (obj);
+}
+
+static int
+srcprops_print (SCM obj, SCM port, scm_print_state *pstate)
+{
+ int writingp = SCM_WRITINGP (pstate);
+ scm_puts ("#<srcprops ", port);
+ SCM_SET_WRITINGP (pstate, 1);
+ scm_iprin1 (scm_srcprops_to_plist (obj), port, pstate);
+ SCM_SET_WRITINGP (pstate, writingp);
+ scm_putc ('>', port);
+ return 1;
+}
+
+
+int
+scm_c_source_property_breakpoint_p (SCM form)
+{
+ SCM obj = scm_whash_lookup (scm_source_whash, form);
+ return SRCPROPSP (obj) && SRCPROPBRK (obj);
+}
+
+
+/*
+ A protected cells whose cdr contains the last plist
+ used if plist contains only the filename.
+
+ This works because scm_set_source_property_x does
+ not use assoc-set! for modifying the plist.
+ */
+static SCM scm_last_plist_filename;
+
+SCM
+scm_make_srcprops (long line, int col, SCM filename, SCM copy, SCM plist)
+{
+ if (!SCM_UNBNDP (filename))
+ {
+ SCM old_plist = plist;
+
+ /*
+ have to extract the acons, and operate on that, for
+ thread safety.
+ */
+ SCM last_acons = SCM_CDR (scm_last_plist_filename);
+ if (old_plist == SCM_EOL
+ && SCM_CDAR (last_acons) == filename)
+ {
+ plist = last_acons;
+ }
+ else
+ {
+ plist = scm_acons (scm_sym_filename, filename, plist);
+ if (old_plist == SCM_EOL)
+ SCM_SETCDR (scm_last_plist_filename, plist);
+ }
+ }
+
+ SCM_RETURN_NEWSMOB3 (scm_tc16_srcprops,
+ SRCPROPMAKPOS (line, col),
+ copy,
+ plist);
+}
+
+
+SCM
+scm_srcprops_to_plist (SCM obj)
+{
+ SCM plist = SRCPROPPLIST (obj);
+ if (!SCM_UNBNDP (SRCPROPCOPY (obj)))
+ plist = scm_acons (scm_sym_copy, SRCPROPCOPY (obj), plist);
+ plist = scm_acons (scm_sym_column, scm_from_int (SRCPROPCOL (obj)), plist);
+ plist = scm_acons (scm_sym_line, scm_from_int (SRCPROPLINE (obj)), plist);
+ plist = scm_acons (scm_sym_breakpoint, scm_from_bool (SRCPROPBRK (obj)), plist);
+ return plist;
+}
+
+SCM_DEFINE (scm_source_properties, "source-properties", 1, 0, 0,
+ (SCM obj),
+ "Return the source property association list of @var{obj}.")
+#define FUNC_NAME s_scm_source_properties
+{
+ SCM p;
+ SCM_VALIDATE_NIM (1, obj);
+ if (SCM_MEMOIZEDP (obj))
+ obj = SCM_MEMOIZED_EXP (obj);
+ else if (!scm_is_pair (obj))
+ SCM_WRONG_TYPE_ARG (1, obj);
+ p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
+ if (SRCPROPSP (p))
+ return scm_srcprops_to_plist (p);
+ else
+ /* list from set-source-properties!, or SCM_EOL for not found */
+ return p;
+}
+#undef FUNC_NAME
+
+/* Perhaps this procedure should look through an alist
+ and try to make a srcprops-object...? */
+SCM_DEFINE (scm_set_source_properties_x, "set-source-properties!", 2, 0, 0,
+ (SCM obj, SCM plist),
+ "Install the association list @var{plist} as the source property\n"
+ "list for @var{obj}.")
+#define FUNC_NAME s_scm_set_source_properties_x
+{
+ SCM handle;
+ SCM_VALIDATE_NIM (1, obj);
+ if (SCM_MEMOIZEDP (obj))
+ obj = SCM_MEMOIZED_EXP (obj);
+ else if (!scm_is_pair (obj))
+ SCM_WRONG_TYPE_ARG(1, obj);
+ handle = scm_hashq_create_handle_x (scm_source_whash, obj, plist);
+ SCM_SETCDR (handle, plist);
+ return plist;
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_source_property, "source-property", 2, 0, 0,
+ (SCM obj, SCM key),
+ "Return the source property specified by @var{key} from\n"
+ "@var{obj}'s source property list.")
+#define FUNC_NAME s_scm_source_property
+{
+ SCM p;
+ SCM_VALIDATE_NIM (1, obj);
+ if (SCM_MEMOIZEDP (obj))
+ obj = SCM_MEMOIZED_EXP (obj);
+ else if (!scm_is_pair (obj))
+ SCM_WRONG_TYPE_ARG (1, obj);
+ p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
+ if (!SRCPROPSP (p))
+ goto plist;
+ if (scm_is_eq (scm_sym_breakpoint, key)) p = scm_from_bool (SRCPROPBRK (p));
+ else if (scm_is_eq (scm_sym_line, key)) p = scm_from_int (SRCPROPLINE (p));
+ else if (scm_is_eq (scm_sym_column, key)) p = scm_from_int (SRCPROPCOL (p));
+ else if (scm_is_eq (scm_sym_copy, key)) p = SRCPROPCOPY (p);
+ else
+ {
+ p = SRCPROPPLIST (p);
+ plist:
+ p = scm_assoc (key, p);
+ return (SCM_NIMP (p) ? SCM_CDR (p) : SCM_BOOL_F);
+ }
+ return SCM_UNBNDP (p) ? SCM_BOOL_F : p;
+}
+#undef FUNC_NAME
+
+SCM_DEFINE (scm_set_source_property_x, "set-source-property!", 3, 0, 0,
+ (SCM obj, SCM key, SCM datum),
+ "Set the source property of object @var{obj}, which is specified by\n"
+ "@var{key} to @var{datum}. Normally, the key will be a symbol.")
+#define FUNC_NAME s_scm_set_source_property_x
+{
+ scm_whash_handle h;
+ SCM p;
+ SCM_VALIDATE_NIM (1, obj);
+ if (SCM_MEMOIZEDP (obj))
+ obj = SCM_MEMOIZED_EXP (obj);
+ else if (!scm_is_pair (obj))
+ SCM_WRONG_TYPE_ARG (1, obj);
+ h = scm_whash_get_handle (scm_source_whash, obj);
+ if (SCM_WHASHFOUNDP (h))
+ p = SCM_WHASHREF (scm_source_whash, h);
+ else
+ {
+ h = scm_whash_create_handle (scm_source_whash, obj);
+ p = SCM_EOL;
+ }
+ if (scm_is_eq (scm_sym_breakpoint, key))
+ {
+ if (SRCPROPSP (p))
+ {
+ if (scm_is_false (datum))
+ CLEARSRCPROPBRK (p);
+ else
+ SETSRCPROPBRK (p);
+ }
+ else
+ {
+ SCM sp = scm_make_srcprops (0, 0, SCM_UNDEFINED, SCM_UNDEFINED, p);
+ SCM_WHASHSET (scm_source_whash, h, sp);
+ if (scm_is_false (datum))
+ CLEARSRCPROPBRK (sp);
+ else
+ SETSRCPROPBRK (sp);
+ }
+ }
+ else if (scm_is_eq (scm_sym_line, key))
+ {
+ if (SRCPROPSP (p))
+ SETSRCPROPLINE (p, scm_to_int (datum));
+ else
+ SCM_WHASHSET (scm_source_whash, h,
+ scm_make_srcprops (scm_to_int (datum), 0,
+ SCM_UNDEFINED, SCM_UNDEFINED, p));
+ }
+ else if (scm_is_eq (scm_sym_column, key))
+ {
+ if (SRCPROPSP (p))
+ SETSRCPROPCOL (p, scm_to_int (datum));
+ else
+ SCM_WHASHSET (scm_source_whash, h,
+ scm_make_srcprops (0, scm_to_int (datum),
+ SCM_UNDEFINED, SCM_UNDEFINED, p));
+ }
+ else if (scm_is_eq (scm_sym_copy, key))
+ {
+ if (SRCPROPSP (p))
+ SRCPROPCOPY (p) = datum;
+ else
+ SCM_WHASHSET (scm_source_whash, h, scm_make_srcprops (0, 0, SCM_UNDEFINED, datum, p));
+ }
+ else
+ {
+ if (SRCPROPSP (p))
+ SRCPROPPLIST (p) = scm_acons (key, datum, SRCPROPPLIST (p));
+ else
+ SCM_WHASHSET (scm_source_whash, h, scm_acons (key, datum, p));
+ }
+ return SCM_UNSPECIFIED;
+}
+#undef FUNC_NAME
+
+
+void
+scm_init_srcprop ()
+{
+ scm_tc16_srcprops = scm_make_smob_type ("srcprops", 0);
+ scm_set_smob_mark (scm_tc16_srcprops, srcprops_mark);
+ scm_set_smob_print (scm_tc16_srcprops, srcprops_print);
+
+ scm_source_whash = scm_make_weak_key_hash_table (scm_from_int (2047));
+ scm_c_define ("source-whash", scm_source_whash);
+
+ scm_last_plist_filename
+ = scm_permanent_object (scm_cons (SCM_EOL,
+ scm_acons (SCM_EOL, SCM_EOL, SCM_EOL)));
+
+#include "libguile/srcprop.x"
+}
+
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/