*/
#include <cstring>
-#include <math.h>
#include "main.hh"
#include "input-smob.hh"
#include "item.hh"
#include "misc.hh"
#include "item.hh"
+#include "program-option.hh"
+#include "profile.hh"
+#include "simple-closure.hh"
SCM
Grob::get_property_alist_chain (SCM def) const
SCM_UNDEFINED);
}
-/*
- This special add_thing routine is slightly more efficient than
-
- set_prop (name, cons (thing, get_prop (name)))
-
- since it can reuse the handle returned by scm_assq ().
-*/
-// JUNKME.
-void
-Grob::add_to_list_property (SCM sym, SCM thing)
-{
- SCM handle
- = scm_sloppy_assq (sym, mutable_property_alist_);
-
- if (handle != SCM_BOOL_F)
- {
- scm_set_cdr_x (handle, scm_cons (thing, scm_cdr (handle)));
- }
- else
- {
- /*
- There is no mutable prop yet, so create an entry, and put it in front of the
- mutable prop list.
- */
- handle = scm_sloppy_assq (sym, immutable_property_alist_);
- SCM tail = (handle != SCM_BOOL_F) ? scm_cdr (handle) : SCM_EOL;
- SCM val = scm_cons (thing, tail);
-
- mutable_property_alist_ = scm_cons (scm_cons (sym, val),
- mutable_property_alist_);
- }
-}
-
-
extern void check_interfaces_for_property (Grob const *me, SCM sym);
SCM grob_p = ly_lily_module_constant ("ly:grob?");
SCM grob_list_p = ly_lily_module_constant ("grob-list?");
SCM type = scm_object_property (sym, ly_symbol2scm ("backend-type?"));
-
+
if (type == grob_p
|| type == grob_list_p
|| (unsmob_grob (v) && ly_symbol2scm ("cause") != sym))
{
- scm_display (scm_list_2 (sym, type), scm_current_output_port());
+ scm_display (scm_list_2 (sym, type), scm_current_output_port ());
assert (0);
}
#endif
if (do_internal_type_checking_global)
{
- if (!type_check_assignment (sym, v, ly_symbol2scm ("backend-type?")))
+ if (!ly_is_procedure (v)
+ && !is_simple_closure (v)
+ && v != ly_symbol2scm ("calculation-in-progress")
+ && !type_check_assignment (sym, v, ly_symbol2scm ("backend-type?")))
abort ();
check_interfaces_for_property (this, sym);
}
mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, sym, v);
}
-Protected_scm property_lookup_table;
-LY_DEFINE(ly_property_lookup_stats, "ly:property-lookup-stats",
- 0,0,0, (),
- "")
+//#define PROFILE_PROPERTY_ACCESSES
+SCM
+Grob::get_property_data (SCM sym) const
{
- return (SCM) property_lookup_table;
-}
+#ifndef NDEBUG
+ if (profile_property_accesses)
+ note_property_access (&grob_property_lookup_table, sym);
+#endif
+
+ SCM handle = scm_sloppy_assq (sym, mutable_property_alist_);
+ if (handle != SCM_BOOL_F)
+ return scm_cdr (handle);
+
+ handle = scm_sloppy_assq (sym, immutable_property_alist_);
+
+ if (do_internal_type_checking_global && scm_is_pair (handle))
+ {
+ SCM val = scm_cdr (handle);
+ if (!ly_is_procedure (val)
+ && !is_simple_closure (val)
+ && !type_check_assignment (sym, val,
+ ly_symbol2scm ("backend-type?")))
+ abort ();
+ check_interfaces_for_property (this, sym);
+ }
+
+ return (handle == SCM_BOOL_F) ? SCM_EOL : scm_cdr (handle);
+}
SCM
Grob::internal_get_property (SCM sym) const
{
-#ifndef NDEBUG
- SCM grob_p = ly_lily_module_constant ("ly:grob?");
- SCM grob_list_p = ly_lily_module_constant ("grob-list?");
- SCM type = scm_object_property (sym, ly_symbol2scm ("backend-type?"));
-
- if (type == grob_p
- || type == grob_list_p)
+ SCM val = get_property_data (sym);
+ if (ly_is_procedure (val)
+ || is_simple_closure (val))
{
- scm_display (scm_list_2 (sym, type), scm_current_output_port());
- assert (0);
+ val = ((Grob*)this)->try_callback (sym, val);
}
+
+ return val;
+}
+
+#ifndef NDEBUG
+#include "protected-scm.hh"
+
+Protected_scm grob_property_callback_stack = SCM_EOL;
+bool debug_property_callbacks = 0;
#endif
-#if 0
+SCM
+Grob::try_callback (SCM sym, SCM proc)
+{
+ SCM marker = ly_symbol2scm ("calculation-in-progress");
/*
- Statistics: which properties are looked up?
+ need to put a value in SYM to ensure that we don't get a
+ cyclic call chain.
*/
- if (scm_hash_table_p (property_lookup_table) != SCM_BOOL_T)
- {
- property_lookup_table = scm_c_make_hash_table (259);
- }
+ mutable_property_alist_
+ = scm_assq_set_x (mutable_property_alist_, sym, marker);
+
+#ifndef NDEBUG
+ if (debug_property_callbacks)
+ grob_property_callback_stack = scm_acons (sym, proc, grob_property_callback_stack);
+#endif
- SCM hashhandle = scm_hashq_get_handle (property_lookup_table, sym);
- if (hashhandle == SCM_BOOL_F)
+ SCM value = SCM_EOL;
+ if (ly_is_procedure (proc))
+ value = scm_call_1 (proc, self_scm ());
+ else if (is_simple_closure (proc))
{
- scm_hashq_set_x (property_lookup_table, sym, scm_from_int (0));
- hashhandle = scm_hashq_get_handle (property_lookup_table, sym);
+ value = evaluate_with_simple_closure (self_scm (),
+ simple_closure_expression (proc));
}
-
- scm_set_cdr_x (hashhandle, scm_from_int (scm_to_int (scm_cdr (hashhandle)) + 1));
+#ifndef NDEBUG
+ if (debug_property_callbacks)
+ grob_property_callback_stack = scm_cdr (grob_property_callback_stack);
#endif
-
-
- SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
- if (s != SCM_BOOL_F)
- return scm_cdr (s);
-
- s = scm_sloppy_assq (sym, immutable_property_alist_);
-
- if (do_internal_type_checking_global && scm_is_pair (s))
+
+ /*
+ If the function returns SCM_UNSPECIFIED, we assume the
+ property has been set with an explicit set_property()
+ call.
+ */
+ if (value == SCM_UNSPECIFIED)
{
- if (!type_check_assignment (sym, scm_cdr (s),
- ly_symbol2scm ("backend-type?")))
- abort ();
-
- check_interfaces_for_property (this, sym);
+ value = internal_get_property (sym);
+ if (value == marker)
+ mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, marker);
}
-
- return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
+ else
+ internal_set_property (sym, value);
+
+ return value;
}
-
-
void
Grob::internal_set_object (SCM s, SCM v)
{
object_alist_ = scm_assq_set_x (object_alist_, s, v);
}
+void
+Grob::del_property (SCM sym)
+{
+ mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, sym);
+}
+
SCM
Grob::internal_get_object (SCM sym) const
{
+#ifdef PROFILE_PROPERTY_ACCESSES
+ note_property_access (&grob_property_lookup_table, sym);
+#endif
+
SCM s = scm_sloppy_assq (sym, object_alist_);
return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
}
-void
-Grob::substitute_object_links (SCM crit, SCM orig)
+bool
+Grob::is_live () const
{
- set_break_subsititution (crit);
- object_alist_ = substitute_object_alist (orig, object_alist_);
+ return immutable_property_alist_ != SCM_EOL;
}
+
bool
-Grob::is_live () const
+Grob::internal_has_interface (SCM k)
{
- return immutable_property_alist_ != SCM_EOL;
+ return scm_c_memq (k, interfaces_) != SCM_BOOL_F;
}
projects / lilypond.git / blobdiff