X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-scheme.cc;h=4f920c8b1a6a003ad90c2f505f05752ff2683d23;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=1ccee6c729b10d4883bc2a9419538cf8d9d107cb;hpb=f085824b2182c1f0fa2c5118884770ac7ff775c7;p=lilypond.git diff --git a/lily/translator-scheme.cc b/lily/translator-scheme.cc index 1ccee6c729..4f920c8b1a 100644 --- a/lily/translator-scheme.cc +++ b/lily/translator-scheme.cc @@ -1,246 +1,32 @@ -/* - translator-scheme.cc -- implement Scheme context functions - - source file of the GNU LilyPond music typesetter +/* + translator-scheme.cc -- implement Scheme context functions - (c) 2002--2004 Han-Wen Nienhuys + source file of the GNU LilyPond music typesetter - */ + (c) 2002--2008 Han-Wen Nienhuys +*/ -#include "translator.hh" #include "context-def.hh" - #include "translator-group.hh" -#include "lily-guile.hh" - -LY_DEFINE(ly_get_context_property, - "ly:get-context-property", 2, 0, 0, - (SCM context, SCM name), - "retrieve the value of @var{name} from context @var{context}") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr= dynamic_cast (t); - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group"); - SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol"); - - return tr->internal_get_property (name); - -} - -LY_DEFINE(ly_set_context_property, - "ly:set-context-property!", 3, 0, 0, - (SCM context, SCM name, SCM val), - "set value of property @var{name} in context @var{context} to @var{val}.") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr= dynamic_cast (t); - - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol"); - - tr->internal_set_property (name, val); - - return SCM_UNSPECIFIED; -} - - -LY_DEFINE(ly_context_property_where_defined, - "ly:context-property-where-defined", 2, 0, 0, - (SCM context, SCM name), - "Return the context above @var{context} where @var{name} is defined.") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr = dynamic_cast (t); - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol"); - - - tr = tr->where_defined (name); - - if (tr) - return tr->self_scm(); - - return SCM_EOL; -} - -LY_DEFINE(ly_unset_context_property, - "ly:unset-context-property", 2, 0, 0, - (SCM context, SCM name), - "Unset value of property @var{name} in context @var{context}.") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr = dynamic_cast (t); - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol"); - - tr->unset_property (name); - - return SCM_UNSPECIFIED; -} - - - -LY_DEFINE(ly_context_parent, - "ly:context-parent", 1, 0, 0, - (SCM context), - "Return the parent of @var{context}, #f if none.") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr= dynamic_cast (t); - - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - - tr = tr->daddy_trans_ ; - if (tr) - return tr->self_scm(); - else - return SCM_BOOL_F; -} - -/* - Todo: should support translator IDs, and creation? - */ -LY_DEFINE(ly_translator_find, - "ly:translator-find", 2, 0,0, - (SCM context, SCM name), - "Find a parent of @var{context} that has name or alias @var{name}. " - "Return @code{#f} if not found." ) -{ - Translator_group* tr= dynamic_cast ( unsmob_translator (context)); - - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "context"); - SCM_ASSERT_TYPE(gh_symbol_p (name), name, SCM_ARG2, __FUNCTION__, "symbol"); - - while (tr) - { - if (tr->is_alias (name)) - return tr->self_scm(); - tr = tr->daddy_trans_ ; - } - - return SCM_BOOL_F; -} - - -LY_DEFINE(ly_context_properties, - "ly:context-properties", 1, 0, 0, - (SCM context), - "Return all properties of @var{context} in an alist.") -{ - Translator *t = unsmob_translator (context); - Translator_group* tr= dynamic_cast (t); - - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); +#include "moment.hh" - return tr->properties_as_alist (); -} - - - -LY_DEFINE(ly_translator_name, - "ly:translator-name", 1,0,0, (SCM trans), - "Return the type name of the translator object @var{trans}. The name is a symbol.") +LY_DEFINE (ly_translator_name, "ly:translator-name", + 1, 0, 0, (SCM trans), + "Return the type name of the translator object @var{trans}." + " The name is a symbol.") { - Translator * tr = unsmob_translator (trans); - SCM_ASSERT_TYPE(tr, trans, SCM_ARG1, __FUNCTION__, "Translator"); - - char const* nm = classname (tr); + LY_ASSERT_SMOB (Translator, trans, 1); + Translator *tr = unsmob_translator (trans); + char const *nm = tr->class_name (); return ly_symbol2scm (nm); } - -LY_DEFINE(ly_context_id, - "ly:context-id", 1,0,0, (SCM context), - "Return the id string of @var{context}, i.e. for @code{\\context Voice " -"= one .. } it will return the string @code{one}.") -{ - Translator_group* tr = dynamic_cast (unsmob_translator (context)); - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - - return scm_makfrom0str (tr->id_string_. to_str0 ()); -} - - -LY_DEFINE(ly_context_name, - "ly:context-name", 1,0,0, (SCM context), - "Return the name of @var{context}, i.e. for @code{\\context Voice " -"= one .. } it will return the symbol @code{Voice}.") -{ - Translator_group* tr = dynamic_cast (unsmob_translator (context)); - SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context"); - - return unsmob_context_def (tr->definition_)->get_context_name (); -} - - -LY_DEFINE(ly_translator_description, - "ly:translator-description", - 1,0,0, (SCM me), - "Return an alist of properties of translator @var{me}.") +LY_DEFINE (ly_translator_description, "ly:translator-description", + 1, 0, 0, (SCM me), + "Return an alist of properties of translator @var{me}.") { - Translator *tr =unsmob_translator (me); - SCM_ASSERT_TYPE (tr, me, SCM_ARG1, __FUNCTION__, "Context"); - + LY_ASSERT_SMOB (Translator, me, 1); + Translator *tr = unsmob_translator (me); return tr->translator_description (); } - -LY_DEFINE(ly_context_pushpop_property, - "ly:context-pushpop-property", 3, 1, 0, - (SCM context, SCM grob, SCM eltprop, SCM val), - "Do a single @code{\\override} or @code{\\revert} operation " - "in @var{context}. The grob definition @code{grob} is extended with " - "@code{eltprop} (if @var{val} is specified) " - "or reverted (if unspecified).") -{ - Translator_group *tg = dynamic_cast (unsmob_translator (context)); - - SCM_ASSERT_TYPE(tg, context, SCM_ARG1, __FUNCTION__, "context"); - SCM_ASSERT_TYPE(gh_symbol_p (grob), grob, SCM_ARG2, __FUNCTION__, "symbol"); - SCM_ASSERT_TYPE(gh_symbol_p (eltprop), eltprop, SCM_ARG3, __FUNCTION__, "symbol"); - - execute_pushpop_property (tg, grob, eltprop, val); - - return SCM_UNDEFINED; -} - -LY_DEFINE(ly_context_p, - "ly:context?", 1, 0, 0, - (SCM x), - "Type predicate: is @var{x} a context?") -{ - Translator_group *tg = dynamic_cast (unsmob_translator (x)); - - return SCM_BOOL (tg); -} - - -int -Translator::print_smob (SCM s, SCM port, scm_print_state *) -{ - Translator *sc = (Translator *) ly_cdr (s); - - scm_puts ("#definition_)) - { - scm_display (d->get_context_name (), port); - } - else - scm_display (ly_translator_name (s), port); - - if (Translator_group *td=dynamic_cast (sc)) - { - scm_puts ("=", port); - scm_puts (td->id_string_.to_str0 (), port); - } - - scm_display (sc->simple_trans_list_, port); - - /* - don't try to print properties, that is too much hassle. - */ - scm_puts (" >", port); - - return 1; -} -