source file of the GNU LilyPond music typesetter
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+ (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#ifndef LILY_GUILE_MACROS_HH
#define SCM_UNPACK(x) (x)
#endif
-
#if (__GNUC__ > 2)
/* Unreliable with gcc-2.x
FIXME: should add check for x86 as well? */
#ifdef CACHE_SYMBOLS
/* Using this trick we cache the value of scm_str2symbol ("fooo") where
- "fooo" is a constant string. This is done at the cost of one static
- variable per ly_symbol2scm() use, and one boolean evaluation for
- every call.
-
- The overall speedup of lily is about 5% on a run of wtk1-fugue2. */
-#define ly_symbol2scm(x) \
-({ \
- static SCM cached; \
- /* We store this one locally, since G++ -O2 fucks up else */ \
- SCM value = cached; \
- if ( __builtin_constant_p ((x))) \
- { \
- if (!cached) \
- value = cached = scm_gc_protect_object (scm_str2symbol ((x))); \
- } \
- else \
- value = scm_str2symbol ((char*) (x)); \
- value; \
-})
+ "fooo" is a constant string. This is done at the cost of one static
+ variable per ly_symbol2scm() use, and one boolean evaluation for
+ every call.
+
+ The overall speedup of lily is about 5% on a run of wtk1-fugue2. */
+#define ly_symbol2scm(x) \
+ ({ \
+ static SCM cached; \
+ /* We store this one locally, since G++ -O2 fucks up else */ \
+ SCM value = cached; \
+ if (__builtin_constant_p ((x))) \
+ { \
+ if (!cached) \
+ value = cached = scm_gc_protect_object (scm_str2symbol ((x))); \
+ } \
+ else \
+ value = scm_str2symbol ((char *) (x)); \
+ value; \
+ })
#else
-inline SCM ly_symbol2scm(char const* x) { return scm_str2symbol ((x)); }
+inline SCM ly_symbol2scm (char const *x) { return scm_str2symbol ((x)); }
#endif
-
/*
TODO: rename me to ly_c_lily_module_eval
- */
-#define ly_lily_module_constant(x) \
-({ \
- static SCM cached; \
- /* We store this one locally, since G++ -O2 fucks up else */ \
- SCM value = cached; \
- if ( __builtin_constant_p ((x))) \
- { \
- if (!cached) \
- value = cached = scm_gc_protect_object (scm_eval (scm_str2symbol (x), \
- global_lily_module)); \
- } \
- else \
- value = scm_eval (scm_str2symbol (x), global_lily_module); \
- value; \
-})
+ we don't have to protect the result; it's already part of the
+ exports list of the module.
+*/
+#define ly_lily_module_constant(x) \
+ ({ \
+ static SCM cached; \
+ /* We store this one locally, since G++ -O2 fucks up else */ \
+ SCM value = cached; \
+ if (__builtin_constant_p ((x))) \
+ { \
+ if (!cached) \
+ value = cached = scm_eval (scm_str2symbol (x), \
+ global_lily_module); \
+ } \
+ else \
+ value = scm_eval (scm_str2symbol (x), global_lily_module); \
+ value; \
+ })
/*
Adds the NAME as a Scheme function, and a variable to store the SCM
version of the function in the static variable NAME_proc
- */
-#define DECLARE_SCHEME_CALLBACK(NAME, ARGS) \
- static SCM NAME ARGS; \
- static SCM NAME ## _proc
+*/
+#define DECLARE_SCHEME_CALLBACK(NAME, ARGS) \
+ static SCM NAME ARGS; \
+ static SCM NAME ## _proc
/*
Make TYPE::FUNC available as a Scheme function.
- */
-#define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
-SCM TYPE :: FUNC ## _proc; \
-void \
-TYPE ## _ ## FUNC ## _init_functions () \
-{ \
- TYPE :: FUNC ## _proc = scm_c_define_gsubr (#TYPE "::" #FUNC, \
- (ARGCOUNT), 0, 0, \
- (Scheme_function_unknown)TYPE :: FUNC); \
- scm_c_export (#TYPE "::" #FUNC, NULL); \
-} \
- \
-ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, \
- TYPE ## _ ## FUNC ## _init_functions);
-
+*/
+#define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
+ SCM TYPE ::FUNC ## _proc; \
+ void \
+ TYPE ## _ ## FUNC ## _init_functions () \
+ { \
+ TYPE ::FUNC ## _proc = scm_c_define_gsubr (#TYPE "::" #FUNC, \
+ (ARGCOUNT), 0, 0, \
+ (Scheme_function_unknown) TYPE::FUNC); \
+ scm_c_export (#TYPE "::" #FUNC, NULL); \
+ } \
+ \
+ ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, \
+ TYPE ## _ ## FUNC ## _init_functions);
void
ly_add_function_documentation (SCM proc, char const *fname,
char const *varlist,
char const *doc);
-#define ADD_SCM_INIT_FUNC(name, func) \
-class name ## _scm_initter \
-{ \
-public: \
- name ## _scm_initter () \
- { \
- add_scm_init_func (func); \
- } \
-} _ ## name ## _scm_initter; \
+#define ADD_SCM_INIT_FUNC(name, func) \
+ class name ## _scm_initter \
+ { \
+ public: \
+ name ## _scm_initter () \
+ { \
+ add_scm_init_func (func); \
+ } \
+ } \
+ _ ## name ## _scm_initter;
+
/* end define */
#define LY_DEFINE_WITHOUT_DECL(INITPREFIX, FNAME, PRIMNAME, REQ, OPT, VAR, \
- ARGLIST, DOCSTRING) \
-SCM FNAME ## _proc; \
-void \
-INITPREFIX ## init () \
-{ \
- FNAME ## _proc = scm_c_define_gsubr (PRIMNAME, REQ, OPT, VAR, \
- (Scheme_function_unknown) FNAME); \
- ly_add_function_documentation (FNAME ## _proc, PRIMNAME, #ARGLIST, \
- DOCSTRING); \
- scm_c_export (PRIMNAME, NULL); \
-} \
-ADD_SCM_INIT_FUNC (INITPREFIX ## init_unique_prefix, INITPREFIX ## init); \
-SCM \
-FNAME ARGLIST
-
-
-#define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
-SCM FNAME ARGLIST; \
-LY_DEFINE_WITHOUT_DECL (FNAME, FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, \
- DOCSTRING)
+ ARGLIST, DOCSTRING) \
+ SCM FNAME ## _proc; \
+ void \
+ INITPREFIX ## init () \
+ { \
+ FNAME ## _proc = scm_c_define_gsubr (PRIMNAME, REQ, OPT, VAR, \
+ (Scheme_function_unknown) FNAME); \
+ ly_add_function_documentation (FNAME ## _proc, PRIMNAME, #ARGLIST, \
+ DOCSTRING); \
+ scm_c_export (PRIMNAME, NULL); \
+ } \
+ ADD_SCM_INIT_FUNC (INITPREFIX ## init_unique_prefix, INITPREFIX ## init); \
+ SCM \
+ FNAME ARGLIST
+
+#define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
+ SCM FNAME ARGLIST; \
+ LY_DEFINE_WITHOUT_DECL (FNAME, FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, \
+ DOCSTRING)
#define LY_DEFINE_MEMBER_FUNCTION(CLASS, FNAME, PRIMNAME, REQ, OPT, VAR, \
- ARGLIST, DOCSTRING) \
-SCM FNAME ARGLIST; \
-LY_DEFINE_WITHOUT_DECL (CLASS ## FNAME, CLASS::FNAME, PRIMNAME, REQ, OPT, \
- VAR, ARGLIST, DOCSTRING)
+ ARGLIST, DOCSTRING) \
+ SCM FNAME ARGLIST; \
+ LY_DEFINE_WITHOUT_DECL (CLASS ## FNAME, CLASS::FNAME, PRIMNAME, REQ, OPT, \
+ VAR, ARGLIST, DOCSTRING)
#define get_property(x) internal_get_property (ly_symbol2scm (x))
+#define get_object(x) internal_get_object (ly_symbol2scm (x))
#define set_property(x, y) internal_set_property (ly_symbol2scm (x), y)
+#define set_object(x, y) internal_set_object (ly_symbol2scm (x), y)
#endif /* LILY_GUILE_MACROS_HH */