X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-scheme.cc;h=4f920c8b1a6a003ad90c2f505f05752ff2683d23;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=9a7bf5c065fe67a04a2c614ae5d620fb92118c19;hpb=bcdd0abf2410919d2036be984ad4f2f42fd766d3;p=lilypond.git diff --git a/lily/translator-scheme.cc b/lily/translator-scheme.cc index 9a7bf5c065..4f920c8b1a 100644 --- a/lily/translator-scheme.cc +++ b/lily/translator-scheme.cc @@ -1,215 +1,32 @@ -/* - translator-scheme.cc -- implement Scheme context functions - - source file of the GNU LilyPond music typesetter - - (c) 2002--2003 Han-Wen Nienhuys - - */ - -#include "translator.hh" -#include "translator-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_b (name)) - return tr->self_scm(); - tr = tr->daddy_trans_ ; - } - - return SCM_BOOL_F; -} - + translator-scheme.cc -- implement Scheme context functions -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"); - - return tr->properties_as_alist (); -} + source file of the GNU LilyPond music typesetter + (c) 2002--2008 Han-Wen Nienhuys +*/ +#include "context-def.hh" +#include "translator-group.hh" +#include "moment.hh" -LY_DEFINE(ly_translator_name, - "ly:translator-name", 1,0,0, (SCM trans), - "Return the type name of the translator @var{trans}.") +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__, "Context"); - - char const* nm = classname (tr); - return scm_makfrom0str (nm); + LY_ASSERT_SMOB (Translator, trans, 1); + Translator *tr = unsmob_translator (trans); + char const *nm = tr->class_name (); + return ly_symbol2scm (nm); } -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"); - - tg->execute_pushpop_property (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->type_name_, port); - } - else - scm_display (ly_translator_name (s), port); - - scm_display (sc->simple_trans_list_, port); - - /* - don't try to print properties, that is too much hassle. - */ - scm_puts (" >", port); - - return 1; -} -