2 lily-guile-macros.hh -- declare
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
9 #ifndef LILY_GUILE_MACROS_HH
10 #define LILY_GUILE_MACROS_HH
12 #ifndef SMOB_FREE_RETURN_VAL
13 #define SMOB_FREE_RETURN_VAL(CL) 0
17 #define SCM_PACK(x) ((SCM) x)
21 #define SCM_UNPACK(x) (x)
25 /* Unreliable with gcc-2.x
26 FIXME: should add check for x86 as well? */
32 /* Using this trick we cache the value of scm_str2symbol ("fooo") where
33 "fooo" is a constant string. This is done at the cost of one static
34 variable per ly_symbol2scm() use, and one boolean evaluation for
37 The overall speedup of lily is about 5% on a run of wtk1-fugue2. */
38 #define ly_symbol2scm(x) \
41 /* We store this one locally, since G++ -O2 fucks up else */ \
43 if (__builtin_constant_p ((x))) \
46 value = cached = scm_gc_protect_object (scm_str2symbol ((x))); \
49 value = scm_str2symbol ((char *) (x)); \
53 inline SCM ly_symbol2scm (char const *x) { return scm_str2symbol ((x)); }
57 TODO: rename me to ly_c_lily_module_eval
59 #define ly_lily_module_constant(x) \
62 /* We store this one locally, since G++ -O2 fucks up else */ \
64 if (__builtin_constant_p ((x))) \
67 value = cached = scm_gc_protect_object (scm_eval (scm_str2symbol (x), \
68 global_lily_module)); \
71 value = scm_eval (scm_str2symbol (x), global_lily_module); \
76 Adds the NAME as a Scheme function, and a variable to store the SCM
77 version of the function in the static variable NAME_proc
79 #define DECLARE_SCHEME_CALLBACK(NAME, ARGS) \
80 static SCM NAME ARGS; \
81 static SCM NAME ## _proc
84 Make TYPE::FUNC available as a Scheme function.
86 #define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
87 SCM TYPE ::FUNC ## _proc; \
89 TYPE ## _ ## FUNC ## _init_functions () \
91 TYPE ::FUNC ## _proc = scm_c_define_gsubr (#TYPE "::" #FUNC, \
93 (Scheme_function_unknown)TYPE ::FUNC); \
94 scm_c_export (#TYPE "::" #FUNC, NULL); \
97 ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, \
98 TYPE ## _ ## FUNC ## _init_functions);
101 ly_add_function_documentation (SCM proc, char const *fname,
105 #define ADD_SCM_INIT_FUNC(name, func) \
106 class name ## _scm_initter \
109 name ## _scm_initter () \
111 add_scm_init_func (func); \
114 _ ## name ## _scm_initter;
118 #define LY_DEFINE_WITHOUT_DECL(INITPREFIX, FNAME, PRIMNAME, REQ, OPT, VAR, \
119 ARGLIST, DOCSTRING) \
120 SCM FNAME ## _proc; \
122 INITPREFIX ## init () \
124 FNAME ## _proc = scm_c_define_gsubr (PRIMNAME, REQ, OPT, VAR, \
125 (Scheme_function_unknown) FNAME); \
126 ly_add_function_documentation (FNAME ## _proc, PRIMNAME, #ARGLIST, \
128 scm_c_export (PRIMNAME, NULL); \
130 ADD_SCM_INIT_FUNC (INITPREFIX ## init_unique_prefix, INITPREFIX ## init); \
134 #define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
136 LY_DEFINE_WITHOUT_DECL (FNAME, FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, \
139 #define LY_DEFINE_MEMBER_FUNCTION(CLASS, FNAME, PRIMNAME, REQ, OPT, VAR, \
140 ARGLIST, DOCSTRING) \
142 LY_DEFINE_WITHOUT_DECL (CLASS ## FNAME, CLASS::FNAME, PRIMNAME, REQ, OPT, \
143 VAR, ARGLIST, DOCSTRING)
145 #define get_property(x) internal_get_property (ly_symbol2scm (x))
146 #define set_property(x, y) internal_set_property (ly_symbol2scm (x), y)
148 #endif /* LILY_GUILE_MACROS_HH */