-/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002, 2006, 2008, 2009, 2010, 2011 Free Software Foundation
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2006,
+ * 2008, 2009, 2010, 2011, 2012 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
#include "libguile/hash.h"
#include "libguile/ports.h"
#include "libguile/root.h"
-#include "libguile/weaks.h"
#include "libguile/gc.h"
#include "libguile/validate.h"
SCM_GLOBAL_SYMBOL (scm_sym_column, "column");
static SCM scm_source_whash;
-static scm_i_pthread_mutex_t source_lock = SCM_I_PTHREAD_MUTEX_INITIALIZER;
/*
scm_t_bits scm_tc16_srcprops;
+
+static int
+supports_source_props (SCM obj)
+{
+ return SCM_NIMP (obj) && !scm_is_symbol (obj) && !scm_is_keyword (obj);
+}
+
+
static int
srcprops_print (SCM obj, SCM port, scm_print_state *pstate)
{
int writingp = SCM_WRITINGP (pstate);
- scm_puts ("#<srcprops ", port);
+ scm_puts_unlocked ("#<srcprops ", port);
SCM_SET_WRITINGP (pstate, 1);
scm_iprin1 (scm_srcprops_to_alist (obj), port, pstate);
SCM_SET_WRITINGP (pstate, writingp);
- scm_putc ('>', port);
+ scm_putc_unlocked ('>', port);
return 1;
}
return alist;
}
+SCM_DEFINE (scm_supports_source_properties_p, "supports-source-properties?", 1, 0, 0,
+ (SCM obj),
+ "Return #t if @var{obj} supports adding source properties,\n"
+ "otherwise return #f.")
+#define FUNC_NAME s_scm_supports_source_properties_p
+{
+ return scm_from_bool (supports_source_props (obj));
+}
+#undef FUNC_NAME
+
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);
-
- scm_i_pthread_mutex_lock (&source_lock);
- p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
- scm_i_pthread_mutex_unlock (&source_lock);
-
- if (SRCPROPSP (p))
- return scm_srcprops_to_alist (p);
+ if (SCM_IMP (obj))
+ return SCM_EOL;
else
- /* list from set-source-properties!, or SCM_EOL for not found */
- return p;
+ {
+ SCM p = scm_weak_table_refq (scm_source_whash, obj, SCM_EOL);
+
+ if (SRCPROPSP (p))
+ return scm_srcprops_to_alist (p);
+ else
+ /* list from set-source-properties!, or SCM_EOL for not found */
+ return p;
+ }
}
#undef FUNC_NAME
{
SCM_VALIDATE_NIM (1, obj);
- scm_i_pthread_mutex_lock (&source_lock);
- scm_hashq_set_x (scm_source_whash, obj, alist);
- scm_i_pthread_mutex_unlock (&source_lock);
+ scm_weak_table_putq_x (scm_source_whash, obj, alist);
return alist;
}
scm_i_has_source_properties (SCM obj)
#define FUNC_NAME "%set-source-properties"
{
- int ret;
-
- SCM_VALIDATE_NIM (1, obj);
-
- scm_i_pthread_mutex_lock (&source_lock);
- ret = scm_is_true (scm_hashq_ref (scm_source_whash, obj, SCM_BOOL_F));
- scm_i_pthread_mutex_unlock (&source_lock);
-
- return ret;
+ if (SCM_IMP (obj))
+ return 0;
+ else
+ return scm_is_true (scm_weak_table_refq (scm_source_whash, obj, SCM_BOOL_F));
}
#undef FUNC_NAME
{
SCM_VALIDATE_NIM (1, obj);
- scm_i_pthread_mutex_lock (&source_lock);
- scm_hashq_set_x (scm_source_whash, obj,
- scm_make_srcprops (line, col, fname,
- SCM_COPY_SOURCE_P
- ? scm_copy_tree (obj)
- : SCM_UNDEFINED,
- SCM_EOL));
- scm_i_pthread_mutex_unlock (&source_lock);
+ scm_weak_table_putq_x (scm_source_whash, obj,
+ scm_make_srcprops (line, col, fname,
+ SCM_COPY_SOURCE_P
+ ? scm_copy_tree (obj)
+ : SCM_UNDEFINED,
+ SCM_EOL));
}
#undef FUNC_NAME
#define FUNC_NAME s_scm_source_property
{
SCM p;
- SCM_VALIDATE_NIM (1, obj);
- scm_i_pthread_mutex_lock (&source_lock);
- p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
- scm_i_pthread_mutex_unlock (&source_lock);
+ if (SCM_IMP (obj))
+ return SCM_BOOL_F;
+
+ p = scm_weak_table_refq (scm_source_whash, obj, SCM_EOL);
if (!SRCPROPSP (p))
goto alist;
if (scm_is_eq (scm_sym_line, key))
- p = scm_from_int (SRCPROPLINE (p));
+ return scm_from_int (SRCPROPLINE (p));
else if (scm_is_eq (scm_sym_column, key))
- p = scm_from_int (SRCPROPCOL (p));
+ return scm_from_int (SRCPROPCOL (p));
else if (scm_is_eq (scm_sym_copy, key))
- p = SRCPROPCOPY (p);
+ return SRCPROPCOPY (p);
else
{
p = SRCPROPALIST (p);
alist:
p = scm_assoc (key, p);
- return (SCM_NIMP (p) ? SCM_CDR (p) : SCM_BOOL_F);
+ return (scm_is_pair (p) ? SCM_CDR (p) : SCM_BOOL_F);
}
- return SCM_UNBNDP (p) ? SCM_BOOL_F : p;
}
#undef FUNC_NAME
SCM p;
SCM_VALIDATE_NIM (1, obj);
- scm_i_pthread_mutex_lock (&source_lock);
- p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
+ scm_i_pthread_mutex_lock (&scm_i_misc_mutex);
+ p = scm_weak_table_refq (scm_source_whash, obj, SCM_EOL);
if (scm_is_eq (scm_sym_line, key))
{
if (SRCPROPSP (p))
SETSRCPROPLINE (p, scm_to_int (datum));
else
- scm_hashq_set_x (scm_source_whash, obj,
- scm_make_srcprops (scm_to_int (datum), 0,
- SCM_UNDEFINED, SCM_UNDEFINED, p));
+ scm_weak_table_putq_x (scm_source_whash, obj,
+ 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_hashq_set_x (scm_source_whash, obj,
- scm_make_srcprops (0, scm_to_int (datum),
- SCM_UNDEFINED, SCM_UNDEFINED, p));
+ scm_weak_table_putq_x (scm_source_whash, obj,
+ 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))
SETSRCPROPCOPY (p, datum);
else
- scm_hashq_set_x (scm_source_whash, obj,
- scm_make_srcprops (0, 0, SCM_UNDEFINED, datum, p));
+ scm_weak_table_putq_x (scm_source_whash, obj,
+ scm_make_srcprops (0, 0, SCM_UNDEFINED, datum, p));
}
else
{
if (SRCPROPSP (p))
SETSRCPROPALIST (p, scm_acons (key, datum, SRCPROPALIST (p)));
else
- scm_hashq_set_x (scm_source_whash, obj,
- scm_acons (key, datum, p));
+ scm_weak_table_putq_x (scm_source_whash, obj,
+ scm_acons (key, datum, p));
}
- scm_i_pthread_mutex_unlock (&source_lock);
+ scm_i_pthread_mutex_unlock (&scm_i_misc_mutex);
return SCM_UNSPECIFIED;
}
{
SCM p, z;
z = scm_cons (x, y);
- scm_i_pthread_mutex_lock (&source_lock);
/* Copy source properties possibly associated with xorig. */
- p = scm_hashq_ref (scm_source_whash, xorig, SCM_BOOL_F);
+ p = scm_weak_table_refq (scm_source_whash, xorig, SCM_BOOL_F);
if (scm_is_true (p))
- scm_hashq_set_x (scm_source_whash, z, p);
- scm_i_pthread_mutex_unlock (&source_lock);
+ scm_weak_table_putq_x (scm_source_whash, z, p);
return z;
}
#undef FUNC_NAME
scm_tc16_srcprops = scm_make_smob_type ("srcprops", 0);
scm_set_smob_print (scm_tc16_srcprops, srcprops_print);
- scm_source_whash = scm_make_weak_key_hash_table (scm_from_int (2047));
+ scm_source_whash = scm_c_make_weak_table (0, SCM_WEAK_TABLE_KIND_KEY);
scm_c_define ("source-whash", scm_source_whash);
scm_last_alist_filename = scm_cons (SCM_EOL,
HCoop / bpt / guile.git / blobdiff