-/*
- context.cc -- implement Context
+/*
+ context.cc -- implement Context
source file of the GNU LilyPond music typesetter
- (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+ (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include "object-key.hh"
-#include "context-def.hh"
-#include "context-selector.hh"
#include "context.hh"
+
+#include "context-def.hh"
#include "ly-smobs.icc"
#include "main.hh"
#include "output-def.hh"
bool
Context::is_removable () const
{
- return context_list_ == SCM_EOL && ! iterator_count_ &&
- !dynamic_cast<Score_context const*> (this);
+ return context_list_ == SCM_EOL && ! iterator_count_
+ && !dynamic_cast<Score_context const *> (this);
}
void
}
}
-Context::Context (Context const&)
+Context::Context (Context const &)
{
assert (false);
}
SCM ts = t->self_scm ();
context_list_ = ly_append2 (context_list_,
scm_cons (ts, SCM_EOL));
-
+
t->daddy_context_ = this;
if (!t->init_)
{
t->init_ = true;
-#ifdef TWEAK
- Context_selector::register_context (t);
-#endif
+
scm_gc_unprotect_object (ts);
Context_def *td = unsmob_context_def (t->definition_);
- /*
- this can not move before add_context (), because \override
- operations require that we are in the hierarchy.
- */
+ /* This cannot move before add_context (), because \override
+ operations require that we are in the hierarchy. */
td->apply_default_property_operations (t);
recurse_over_translators (t, &Translator::initialize, DOWN);
}
}
-Object_key const*
+Object_key const *
Context::get_key () const
{
return key_;
}
-Context::Context (Object_key const* key)
+Context::Context (Object_key const *key)
{
key_ = key;
daddy_context_ = 0;
init_ = false;
aliases_ = SCM_EOL;
- iterator_count_ = 0;
+ iterator_count_ = 0;
implementation_ = SCM_EOL;
properties_scm_ = SCM_EOL;
accepts_list_ = SCM_EOL;
context_list_ = SCM_EOL;
definition_ = SCM_EOL;
-
- smobify_self ();
+ smobify_self ();
properties_scm_ = (new Scheme_hash_table)->self_scm ();
scm_gc_unprotect_object (properties_scm_);
+ scm_gc_unprotect_object (key_->self_scm ());
}
+/* TODO: this shares code with find_create_context (). */
+Context *
+Context::create_unique_context (SCM n, SCM operations)
+{
+ /*
+ Don't create multiple score contexts.
+ */
+ if (dynamic_cast<Global_context *> (this)
+ && dynamic_cast<Global_context *> (this)->get_score_context ())
+ return get_score_context ()->create_unique_context (n, operations);
+
+ /*
+ TODO: use accepts_list_.
+ */
+ Link_array<Context_def> path
+ = unsmob_context_def (definition_)->path_to_acceptable_context (n, get_output_def ());
+
+ if (path.size ())
+ {
+ Context *current = this;
+
+ // start at 1. The first one (index 0) will be us.
+ for (int i = 0; i < path.size (); i++)
+ {
+ SCM ops = (i == path.size () -1) ? operations : SCM_EOL;
+
+ current = current->create_context (path[i],
+ "\\new",
+ ops);
+ }
+
+ return current;
+ }
+ /*
+ Don't go up to Global_context, because global goes down to
+ Score_context
+ */
+ Context *ret = 0;
+ if (daddy_context_ && !dynamic_cast<Global_context *> (daddy_context_))
+ ret = daddy_context_->create_unique_context (n, operations);
+ else
+ {
+ warning (_f ("can't find or create new `%s'",
+ ly_symbol2string (n).to_str0 ()));
+ ret = 0;
+ }
+ return ret;
+}
Context *
Context::find_create_context (SCM n, String id, SCM operations)
{
/*
Don't create multiple score contexts.
- */
- if (dynamic_cast<Global_context*> (this)
- && dynamic_cast<Global_context*> (this)->get_score_context ())
+ */
+ if (dynamic_cast<Global_context *> (this)
+ && dynamic_cast<Global_context *> (this)->get_score_context ())
return get_score_context ()->find_create_context (n, id, operations);
if (Context *existing = find_context_below (this, n, id))
if (n == ly_symbol2scm ("Bottom"))
{
- Context* tg = get_default_interpreter ();
- tg->id_string_ = id;
+ Context *tg = get_default_interpreter ();
return tg;
}
/*
TODO: use accepts_list_.
- */
+ */
Link_array<Context_def> path
= unsmob_context_def (definition_)->path_to_acceptable_context (n, get_output_def ());
if (path.size ())
{
- Context * current = this;
+ Context *current = this;
// start at 1. The first one (index 0) will be us.
- for (int i=0; i < path.size (); i++)
+ for (int i = 0; i < path.size (); i++)
{
SCM ops = (i == path.size () -1) ? operations : SCM_EOL;
this_id = id;
}
-
- current = create_context (path[i],
- this_id,
- ops);
+ current = current->create_context (path[i],
+ this_id,
+ ops);
}
return current;
/*
Don't go up to Global_context, because global goes down to
Score_context
- */
+ */
Context *ret = 0;
- if (daddy_context_ && !dynamic_cast<Global_context*> (daddy_context_))
+ if (daddy_context_ && !dynamic_cast<Global_context *> (daddy_context_))
ret = daddy_context_->find_create_context (n, id, operations);
else
{
- warning (_f ("Cannot find or create `%s' called `%s'",
+ warning (_f ("can't find or create `%s' called `%s'",
ly_symbol2string (n).to_str0 (), id));
- ret =0;
+ ret = 0;
}
return ret;
}
-
-Context*
-Context::create_context (Context_def * cdef,
+Context *
+Context::create_context (Context_def *cdef,
String id,
SCM ops)
{
- String type = ly_symbol2string (cdef->get_context_name());
+ String type = ly_symbol2string (cdef->get_context_name ());
Object_key const *key = get_context_key (type, id);
- Context * new_group
+ Context *new_context
= cdef->instantiate (ops, key);
- scm_gc_unprotect_object (key->self_scm ());
-
- new_group->id_string_ = id;
- add_context (new_group);
- apply_property_operations (new_group, ops);
- return new_group;
+ new_context->id_string_ = id;
+ add_context (new_context);
+ apply_property_operations (new_context, ops);
+
+ return new_context;
}
-Object_key const*
+Object_key const *
Context::get_context_key (String type, String id)
{
String now_key = type + "@" + id;
}
context_counts_[now_key] = disambiguation_count + 1;
-
-
+
return new Lilypond_context_key (get_key (),
- now_mom(),
+ now_mom (),
type, id,
disambiguation_count);
}
-Object_key const*
-Context::get_grob_key (String name)
+Object_key const *
+Context::get_grob_key (String name)
{
int disambiguation_count = 0;
if (grob_counts_.find (name) != grob_counts_.end ())
}
grob_counts_[name] = disambiguation_count + 1;
- Object_key * k = new Lilypond_grob_key (get_key(),
- now_mom(),
- name,
- disambiguation_count);
+ Object_key *k = new Lilypond_grob_key (get_key (),
+ now_mom (),
+ name,
+ disambiguation_count);
- return k;
+ return k;
}
-
-
/*
Default child context as a SCM string, or something else if there is
none.
Context::default_child_context_name () const
{
return scm_is_pair (accepts_list_)
- ? scm_car (scm_last_pair (accepts_list_))
+ ? scm_car (accepts_list_)
: SCM_EOL;
}
-
bool
Context::is_bottom_context () const
{
return !scm_is_symbol (default_child_context_name ());
}
-Context*
+Context *
Context::get_default_interpreter ()
{
if (!is_bottom_context ())
/*
PROPERTIES
- */
-Context*
+*/
+Context *
Context::where_defined (SCM sym) const
{
if (properties_dict ()->contains (sym))
{
- return (Context*)this;
+ return (Context *)this;
}
return (daddy_context_) ? daddy_context_->where_defined (sym) : 0;
if (daddy_context_)
return daddy_context_->internal_get_property (sym);
-
+
return val;
}
return true;
if (sym == unsmob_context_def (definition_)->get_context_name ())
return true;
-
+
return scm_c_memq (sym, aliases_) != SCM_BOOL_F;
}
aliases_ = scm_cons (sym, aliases_);
}
-
-
void
Context::internal_set_property (SCM sym, SCM val)
{
#ifndef NDEBUG
- if (internal_type_checking_global_b)
+ if (do_internal_type_checking_global)
assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")));
#endif
-
+
properties_dict ()->set (sym, val);
}
/*
- TODO: look up to check whether we have inherited var?
- */
+ TODO: look up to check whether we have inherited var?
+*/
void
Context::unset_property (SCM sym)
{
/**
Remove a context from the hierarchy.
- */
+*/
Context *
-Context::remove_context (Context*trans)
+Context::remove_context (Context *trans)
{
assert (trans);
/*
ID == "" means accept any ID.
- */
+*/
Context *
-find_context_below (Context * where,
+find_context_below (Context *where,
SCM type, String id)
{
if (where->is_alias (type))
if (id == "" || where->id_string () == id)
return where;
}
-
+
Context *found = 0;
for (SCM s = where->children_contexts ();
!found && scm_is_pair (s); s = scm_cdr (s))
found = find_context_below (tr, type, id);
}
- return found;
+ return found;
}
SCM
return ly_symbol2string (context_name_symbol ());
}
-Score_context*
+Score_context *
Context::get_score_context () const
{
- if (Score_context *sc = dynamic_cast<Score_context*> ((Context*) this))
+ if (Score_context *sc = dynamic_cast<Score_context *> ((Context *) this))
return sc;
else if (daddy_context_)
return daddy_context_->get_score_context ();
Context::~Context ()
{
-
}
Moment
Context::print_smob (SCM s, SCM port, scm_print_state *)
{
Context *sc = (Context *) SCM_CELL_WORD_1 (s);
-
+
scm_puts ("#<", port);
scm_puts (classname (sc), port);
if (Context_def *d = unsmob_context_def (sc->definition_))
scm_display (d->get_context_name (), port);
}
- if (Context *td=dynamic_cast<Context *> (sc))
+ if (Context *td = dynamic_cast<Context *> (sc))
{
scm_puts ("=", port);
scm_puts (td->id_string_.to_str0 (), port);
}
-
scm_puts (" ", port);
scm_display (sc->context_list_, port);
scm_puts (" >", port);
-
+
return 1;
}
SCM
Context::mark_smob (SCM sm)
{
- Context *me = (Context*) SCM_CELL_WORD_1 (sm);
- scm_gc_mark (me->key_->self_scm ());
+ Context *me = (Context *) SCM_CELL_WORD_1 (sm);
+ scm_gc_mark (me->key_->self_scm ());
scm_gc_mark (me->context_list_);
scm_gc_mark (me->aliases_);
- scm_gc_mark (me->definition_);
- scm_gc_mark (me->properties_scm_);
+ scm_gc_mark (me->definition_);
+ scm_gc_mark (me->properties_scm_);
scm_gc_mark (me->accepts_list_);
scm_gc_mark (me->implementation_);
IMPLEMENT_SMOBS (Context);
IMPLEMENT_DEFAULT_EQUAL_P (Context);
-IMPLEMENT_TYPE_P (Context,"ly:context?");
+IMPLEMENT_TYPE_P (Context, "ly:context?");
bool
-Context::try_music (Music* m)
+Context::try_music (Music *m)
{
- Translator* t = implementation ();
+ Translator *t = implementation ();
if (!t)
return false;
-
+
bool b = t->try_music (m);
if (!b && daddy_context_)
b = daddy_context_->try_music (m);
return b;
}
-
-Global_context*
+Global_context *
Context::get_global_context () const
{
- if (dynamic_cast<Global_context *>((Context*) this))
- return dynamic_cast<Global_context *> ((Context*) this);
+ if (dynamic_cast<Global_context *> ((Context *) this))
+ return dynamic_cast<Global_context *> ((Context *) this);
if (daddy_context_)
return daddy_context_->get_global_context ();
- programming_error ("No Global context!");
+ programming_error ("no Global context");
return 0;
}
-Context*
+Context *
Context::get_parent_context () const
{
return daddy_context_;
}
-Translator_group*
+Translator_group *
Context::implementation () const
{
- return dynamic_cast<Translator_group*> (unsmob_translator (implementation_));
+ return dynamic_cast<Translator_group *> (unsmob_translator (implementation_));
}
void
Context::clear_key_disambiguations ()
{
- grob_counts_.clear();
- context_counts_.clear();
+ grob_counts_.clear ();
+ context_counts_.clear ();
for (SCM s = context_list_; scm_is_pair (s); s = scm_cdr (s))
{
- unsmob_context (scm_car (s))->clear_key_disambiguations();
+ unsmob_context (scm_car (s))->clear_key_disambiguations ();
}
}
projects / lilypond.git / blobdiff