#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.")
+{
+ if (!ly_is_procedure (cb))
+ warning (_ ("not setting modification callback: not a procedure"));
+ else
+ modification_callback = cb;
+ return SCM_EOL;
+}
+#endif
SCM
Grob::get_property_alist_chain (SCM def) const
SCM_UNDEFINED);
}
-SCM
-Grob::get_interfaces () const
-{
- return interfaces_;
-}
-
-/*
- 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);
void
-Grob::internal_set_property (SCM sym, SCM v)
-{
#ifndef NDEBUG
+Grob::internal_set_property (SCM sym, SCM v, char const *file, int line, char const *fun)
+{
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);
}
+#else
+Grob::internal_set_property (SCM sym, SCM v)
+{
#endif
/* Perhaps we simply do the assq_set, but what the heck. */
if (do_internal_type_checking_global)
{
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);
}
+#ifndef NDEBUG
+ if (ly_is_procedure (modification_callback))
+ scm_apply_0 (modification_callback,
+ scm_list_n (self_scm (),
+ scm_makfrom0str (file),
+ scm_from_int (line),
+ scm_makfrom0str (fun),
+ sym, v, SCM_UNDEFINED));
+#endif
+
mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, sym, v);
}
//#define PROFILE_PROPERTY_ACCESSES
-
-/*
- Ugh C&P Coding.
-
- Retrieve property without triggering callback.
- */
SCM
-Grob::get_property_data (SCM sym) const
+Grob::internal_get_property_data (SCM sym) const
{
#ifndef NDEBUG
if (profile_property_accesses)
{
SCM val = scm_cdr (handle);
if (!ly_is_procedure (val)
+ && !is_simple_closure (val)
&& !type_check_assignment (sym, val,
ly_symbol2scm ("backend-type?")))
abort ();
Grob::internal_get_property (SCM sym) const
{
SCM val = get_property_data (sym);
- if (ly_is_procedure (val))
+ if (ly_is_procedure (val)
+ || is_simple_closure (val))
{
val = ((Grob*)this)->try_callback (sym, val);
}
#ifndef NDEBUG
#include "protected-scm.hh"
+
Protected_scm grob_property_callback_stack = SCM_EOL;
-bool debug_property_callbacks = 1;
+bool debug_property_callbacks = 0;
#endif
SCM
if (debug_property_callbacks)
grob_property_callback_stack = scm_acons (sym, proc, grob_property_callback_stack);
#endif
- SCM value = scm_call_1 (proc, self_scm ());
+
+ SCM value = SCM_EOL;
+ if (ly_is_procedure (proc))
+ value = scm_call_1 (proc, self_scm ());
+ else if (is_simple_closure (proc))
+ {
+ value = evaluate_with_simple_closure (self_scm (),
+ simple_closure_expression (proc),
+ false, 0, 0);
+ }
#ifndef NDEBUG
if (debug_property_callbacks)
grob_property_callback_stack = scm_cdr (grob_property_callback_stack);
mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, marker);
}
else
- internal_set_property (sym, value);
+ set_property (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);
}
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 scm_is_pair (immutable_property_alist_);
}
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;
+}
+
+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