-/* 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/validate.h"
#include "libguile/srcprop.h"
+#include "libguile/private-options.h"
+
\f
/* {Source Properties}
*
SCM_GLOBAL_SYMBOL (scm_sym_copy, "copy");
SCM_GLOBAL_SYMBOL (scm_sym_line, "line");
SCM_GLOBAL_SYMBOL (scm_sym_column, "column");
-SCM scm_source_whash;
+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)
{
thread safety.
*/
SCM last_acons = SCM_CDR (scm_last_alist_filename);
- if (old_alist == SCM_EOL
- && SCM_CDAR (last_acons) == filename)
+ if (scm_is_null (old_alist)
+ && scm_is_eq (SCM_CDAR (last_acons), filename))
{
alist = last_acons;
}
else
{
alist = scm_acons (scm_sym_filename, filename, alist);
- if (old_alist == SCM_EOL)
+ if (scm_is_null (old_alist))
SCM_SETCDR (scm_last_alist_filename, alist);
}
}
SCM_RETURN_NEWSMOB3 (scm_tc16_srcprops,
SRCPROPMAKPOS (line, col),
- copy,
- alist);
+ SCM_UNPACK (copy),
+ SCM_UNPACK (alist));
}
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);
- p = scm_hashq_ref (scm_source_whash, obj, SCM_EOL);
- 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_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);
+ else
+ /* list from set-source-properties!, or SCM_EOL for not found */
+ return p;
+ }
}
#undef FUNC_NAME
#define FUNC_NAME s_scm_set_source_properties_x
{
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);
+
return alist;
}
#undef FUNC_NAME
+int
+scm_i_has_source_properties (SCM obj)
+#define FUNC_NAME "%set-source-properties"
+{
+ if (SCM_IMP (obj))
+ return 0;
+ else
+ {
+ int ret;
+
+ 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;
+ }
+}
+#undef FUNC_NAME
+
+
+void
+scm_i_set_source_properties_x (SCM obj, long line, int col, SCM fname)
+#define FUNC_NAME "%set-source-properties"
+{
+ 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);
+}
+#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);
- p = scm_hashq_ref (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));
- 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);
+ if (SCM_IMP (obj))
+ return SCM_BOOL_F;
else
{
- p = SRCPROPALIST (p);
- alist:
- p = scm_assoc (key, p);
- return (SCM_NIMP (p) ? SCM_CDR (p) : SCM_BOOL_F);
+ SCM p;
+
+ 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))
+ goto alist;
+ 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 = SRCPROPALIST (p);
+ alist:
+ p = scm_assoc (key, p);
+ return (SCM_NIMP (p) ? SCM_CDR (p) : SCM_BOOL_F);
+ }
+ return SCM_UNBNDP (p) ? SCM_BOOL_F : p;
}
- 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);
if (scm_is_eq (scm_sym_line, key))
scm_hashq_set_x (scm_source_whash, obj,
scm_acons (key, datum, p));
}
+ scm_i_pthread_mutex_unlock (&source_lock);
+
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
{
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);
if (scm_is_true (p))
scm_hashq_set_x (scm_source_whash, z, p);
+ scm_i_pthread_mutex_unlock (&source_lock);
return z;
}
#undef FUNC_NAME
HCoop / bpt / guile.git / blobdiff