#include <cstring>
#include "main.hh"
-#include "input-smob.hh"
+#include "input.hh"
#include "pointer-group-interface.hh"
#include "misc.hh"
#include "paper-score.hh"
#include "output-def.hh"
#include "spanner.hh"
+#include "international.hh"
#include "item.hh"
#include "misc.hh"
#include "item.hh"
#include "program-option.hh"
#include "profile.hh"
#include "simple-closure.hh"
+#include "warn.hh"
+
+#ifndef NDEBUG
+static SCM modification_callback = SCM_EOL;
+
+LY_DEFINE (ly_set_grob_modification_callback, "ly:set-grob-modification-callback",
+ 1, 0, 0, (SCM cb),
+ "Specify a procedure that will be called every time lilypond modifies "
+ "a grob property. The callback will receive as arguments "
+ "the grob that is being modified, the name of the C++ file in which "
+ "the modification was requested, the line number in the C++ file in "
+ "which the modification was requested, the property to be changed and "
+ "the new value for the property.")
+{
+
+ SCM_ASSERT_TYPE(ly_is_procedure (cb), cb, SCM_ARG1, __FUNCTION__,
+ "procedure");
+
+ modification_callback = cb;
+ return SCM_UNSPECIFIED;
+}
+#endif
SCM
Grob::get_property_alist_chain (SCM def) const
extern void check_interfaces_for_property (Grob const *me, SCM sym);
+#ifndef NDEBUG
void
-Grob::internal_set_property (SCM sym, SCM v)
+Grob::internal_set_property (SCM sym, SCM v, char const *file, int line, char const *fun)
{
-#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?"));
scm_display (scm_list_2 (sym, type), scm_current_output_port ());
assert (0);
}
+
+ internal_set_value_on_alist (&mutable_property_alist_,
+ sym, v);
+
+
+ if (ly_is_procedure (modification_callback))
+ scm_apply_0 (modification_callback,
+ scm_list_n (self_scm (),
+ scm_from_locale_string (file),
+ scm_from_int (line),
+ scm_from_locale_string (fun),
+ sym, v, SCM_UNDEFINED));
+}
+#else
+void
+Grob::internal_set_property (SCM sym, SCM v)
+{
+ internal_set_value_on_alist (&mutable_property_alist_,
+ sym, v);
+
+}
#endif
+void
+Grob::internal_set_value_on_alist (SCM *alist, SCM sym, SCM v)
+{
/* Perhaps we simply do the assq_set, but what the heck. */
if (!is_live ())
return;
{
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 ();
+ && v != ly_symbol2scm ("calculation-in-progress"))
+ type_check_assignment (sym, v, ly_symbol2scm ("backend-type?"));
+
check_interfaces_for_property (this, sym);
}
- mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, sym, v);
+ *alist = scm_assq_set_x (*alist, sym, v);
}
-//#define PROFILE_PROPERTY_ACCESSES
SCM
-Grob::get_property_data (SCM sym) const
+Grob::internal_get_property_data (SCM sym) const
{
#ifndef NDEBUG
if (profile_property_accesses)
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 ();
+ if (!ly_is_procedure (val) && !is_simple_closure (val))
+ type_check_assignment (sym, val, ly_symbol2scm ("backend-type?"));
check_interfaces_for_property (this, sym);
}
if (ly_is_procedure (val)
|| is_simple_closure (val))
{
- val = ((Grob*)this)->try_callback (sym, val);
+ Grob *me = ((Grob*)this);
+ val = me->try_callback_on_alist (&me->mutable_property_alist_, sym, val);
}
return val;
#endif
SCM
-Grob::try_callback (SCM sym, SCM proc)
+Grob::try_callback_on_alist (SCM *alist, SCM sym, SCM proc)
{
SCM marker = ly_symbol2scm ("calculation-in-progress");
/*
need to put a value in SYM to ensure that we don't get a
cyclic call chain.
*/
- mutable_property_alist_
- = scm_assq_set_x (mutable_property_alist_, sym, marker);
+ *alist = scm_assq_set_x (*alist, sym, marker);
#ifndef NDEBUG
if (debug_property_callbacks)
else if (is_simple_closure (proc))
{
value = evaluate_with_simple_closure (self_scm (),
- simple_closure_expression (proc));
+ simple_closure_expression (proc),
+ false, 0, 0);
}
+
#ifndef NDEBUG
if (debug_property_callbacks)
grob_property_callback_stack = scm_cdr (grob_property_callback_stack);
if (value == SCM_UNSPECIFIED)
{
value = internal_get_property (sym);
+ assert (value == SCM_EOL || value == marker);
if (value == marker)
- mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, marker);
+ *alist = scm_assq_remove_x (*alist, marker);
}
else
- internal_set_property (sym, value);
-
+ internal_set_value_on_alist (alist, sym, value);
+
return value;
}
}
void
-Grob::del_property (SCM sym)
+Grob::internal_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
+ if (profile_property_accesses)
+ note_property_access (&grob_property_lookup_table, sym);
SCM s = scm_sloppy_assq (sym, object_alist_);
+
+ if (s != SCM_BOOL_F)
+ {
+ SCM val = scm_cdr (s);
+ if (ly_is_procedure (val)
+ || is_simple_closure (val))
+ {
+ Grob *me = ((Grob*)this);
+ val = me->try_callback_on_alist (&me->object_alist_, sym, val);
+ }
+
+ return val;
+ }
- return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
+ return SCM_EOL;
}
bool
Grob::is_live () const
{
- return immutable_property_alist_ != SCM_EOL;
+ return scm_is_pair (immutable_property_alist_);
}
-
bool
Grob::internal_has_interface (SCM k)
{
return scm_c_memq (k, interfaces_) != SCM_BOOL_F;
}
+
+SCM
+call_pure_function (SCM unpure, SCM args, int start, int end)
+{
+ SCM scm_call_pure_function = ly_lily_module_constant ("call-pure-function");
+
+ return scm_apply_0 (scm_call_pure_function,
+ scm_list_4 (unpure, args, scm_from_int (start), scm_from_int (end)));
+}
projects / lilypond.git / blobdiff