/*
- music-output-def.cc -- implement Music_output_def
+ music-output-def.cc -- implement Output_def
source file of the GNU LilyPond music typesetter
(c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "scm-hash.hh"
+#include "book-paper-def.hh"
#include "context-def.hh"
#include "file-path.hh"
#include "global-context.hh"
#include "lily-guile.hh"
#include "ly-module.hh"
#include "main.hh"
-#include "music-output-def.hh"
-#include "paper-def.hh"
+#include "output-def.hh"
+#include "output-def.hh"
+#include "scm-hash.hh"
#include "warn.hh"
#include "ly-smobs.icc"
-Music_output_def::Music_output_def ()
+Output_def::Output_def ()
{
scope_ = SCM_EOL;
+ parent_ = 0;
smobify_self ();
scope_ = ly_make_anonymous_module (false);
}
-Music_output_def::~Music_output_def ()
+Output_def::~Output_def ()
{
}
-Music_output_def::Music_output_def (Music_output_def const &s)
+Output_def::Output_def (Output_def const &s)
{
scope_ = SCM_EOL;
+ parent_ = 0;
smobify_self ();
scope_= ly_make_anonymous_module (false);
}
-IMPLEMENT_SMOBS (Music_output_def);
-IMPLEMENT_DEFAULT_EQUAL_P (Music_output_def);
+IMPLEMENT_SMOBS (Output_def);
+IMPLEMENT_DEFAULT_EQUAL_P (Output_def);
-#include "paper-def.hh"
-#include "book-paper-def.hh"
SCM
-Music_output_def::mark_smob (SCM m)
+Output_def::mark_smob (SCM m)
{
- Music_output_def * mo = (Music_output_def*) SCM_CELL_WORD_1 (m);
+ Output_def * mo = (Output_def*) SCM_CELL_WORD_1 (m);
/*
FIXME: why is this necessary?
all bookpaper_ should be protected by themselves.
*/
- Paper_def *pd = dynamic_cast<Paper_def*>(mo);
- if (pd && pd->bookpaper_)
- scm_gc_mark (pd->bookpaper_->self_scm ());
+ if (mo->parent_)
+ scm_gc_mark (mo->parent_->self_scm ());
+
+ mo->derived_mark ();
return mo->scope_;
}
void
-Music_output_def::assign_context_def (SCM transdef)
+Output_def::derived_mark () {}
+
+void
+assign_context_def (Output_def * m, SCM transdef)
{
Context_def *tp = unsmob_context_def (transdef);
assert (tp);
if (tp)
{
SCM sym = tp->get_context_name ();
- scm_module_define (scope_, sym, transdef);
+ scm_module_define (m->scope_, sym, transdef);
}
}
find the translator for NAME. NAME must be a symbol.
*/
SCM
-Music_output_def::find_context_def (SCM name) const
+find_context_def (Output_def const *m, SCM name)
{
- SCM var = ly_module_lookup (scope_, name);
-
- if (var != SCM_BOOL_F)
- {
- var = scm_variable_ref (var);
- Context_def *cd = (unsmob_context_def (var));
- return cd ? cd->self_scm () : SCM_EOL;
- }
- else
- return SCM_EOL;
+ Context_def *cd = unsmob_context_def (m->lookup_variable (name));
+ return cd ? cd->self_scm () : SCM_EOL;
}
int
-Music_output_def::print_smob (SCM s, SCM p, scm_print_state *)
+Output_def::print_smob (SCM s, SCM p, scm_print_state *)
{
- Music_output_def * def = unsmob_music_output_def (s);
+ Output_def * def = unsmob_output_def (s);
scm_puts ("#< ", p);
scm_puts (classname (def), p);
return 1;
}
+Real
+Output_def::get_dimension (SCM s) const
+{
+ SCM val = lookup_variable (s);
+ return ly_scm2double (val);
+}
+
+
SCM
-Music_output_def::lookup_variable (SCM sym) const
+Output_def::lookup_variable (SCM sym) const
{
SCM var = ly_module_lookup (scope_, sym);
-
- return scm_variable_ref (var);
+ if (SCM_VARIABLEP (var))
+ return SCM_VARIABLE_REF (var);
+
+ if (parent_)
+ return parent_->lookup_variable (sym);
+
+ return SCM_EOL;
}
SCM
-Music_output_def::c_variable (String s) const
+Output_def::c_variable (String s) const
{
return lookup_variable (ly_symbol2scm (s.to_str0 ()));
}
void
-Music_output_def::set_variable (SCM sym, SCM val)
+Output_def::set_variable (SCM sym, SCM val)
{
scm_module_define (scope_, sym, val);
}
-LY_DEFINE (ly_paper_lookup, "ly:paper-lookup",
- 2, 0,0, (SCM pap, SCM sym),
+LY_DEFINE (ly_paper_lookup, "ly:output-def-lookup",
+ 2, 0, 0, (SCM pap, SCM sym),
"Lookup @var{sym} in @var{pap}. "
"Return the value or @code{'()} if undefined.")
{
- Music_output_def *op = unsmob_music_output_def (pap);
- SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Paper");
+ Output_def *op = unsmob_output_def (pap);
+ SCM_ASSERT_TYPE (op, pap, SCM_ARG1, __FUNCTION__, "Output_def");
SCM_ASSERT_TYPE (ly_c_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
- SCM var = ly_module_lookup (op->scope_, sym);
- if (SCM_VARIABLEP (var))
- return SCM_VARIABLE_REF (var);
- else
- return SCM_EOL;
+ return op->lookup_variable (sym);
}
LY_DEFINE (ly_output_def_scope, "ly:output-def-scope",
1, 0,0, (SCM def),
"Get the variable scope inside @var{def}.")
{
- Music_output_def *op = unsmob_music_output_def (def);
+ Output_def *op = unsmob_output_def (def);
SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
return op->scope_;
}
+
+LY_DEFINE (ly_output_def_parent, "ly:output-def-parent",
+ 1, 0, 0, (SCM def),
+ "Get the parent output-def of @var{def}.")
+{
+ Output_def *op = unsmob_output_def (def);
+ SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
+ return op->parent_ ? op->parent_->self_scm () : SCM_EOL;
+}
+
+
LY_DEFINE (ly_output_def_clone, "ly:output-def-clone",
1, 0, 0, (SCM def),
"Clone @var{def}.")
{
- Music_output_def *op = unsmob_music_output_def (def);
+ Output_def *op = unsmob_output_def (def);
SCM_ASSERT_TYPE (op, def, SCM_ARG1, __FUNCTION__, "Output definition");
SCM s = op->clone ()->self_scm ();
scm_gc_unprotect_object (s);
(SCM output_def),
"Return the description of translators in @var{output-def}.")
{
- Music_output_def *id = unsmob_music_output_def (output_def);
+ Output_def *id = unsmob_output_def (output_def);
SCM al =ly_module_to_alist (id->scope_);
}
+
+#include "interval.hh"
+
+/* FIXME. This is broken until we have a generic way of
+ putting lists inside the \paper block. */
+Interval
+line_dimensions_int (Output_def *def, int n)
+{
+ Real lw = def->get_dimension (ly_symbol2scm ("linewidth"));
+ Real ind = n ? 0.0 : def->get_dimension (ly_symbol2scm ("indent"));
+
+ return Interval (ind, lw);
+}
+
+LY_DEFINE (ly_paper_def_p, "ly:paper-def?",
+ 1, 0, 0, (SCM def),
+ "Is @var{def} a paper definition?")
+{
+ return ly_bool2scm (unsmob_output_def (def));
+}
projects / lilypond.git / blobdiff