2 lily-guile.hh encapsulate guile
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
14 #include "interval.hh"
15 #include "guile-compatibility.hh"
16 #include "ly-module.hh"
18 #ifndef SMOB_FREE_RETURN_VAL
19 #define SMOB_FREE_RETURN_VAL(CL) 0
23 #define SCM_PACK(x) ((SCM) x)
27 #define SCM_UNPACK(x) (x)
30 /** Conversion functions follow the GUILE naming convention, i.e.
33 SCM ly_last (SCM list);
34 SCM ly_write2scm (SCM s);
35 SCM ly_deep_copy (SCM);
36 SCM ly_truncate_list (int k, SCM lst);
38 SCM ly_to_string (SCM scm);
39 SCM ly_to_symbol (SCM scm);
42 /* Unreliable with gcc-2.x
43 FIXME: should add check for x86 as well? */
49 /* Using this trick we cache the value of scm_str2symbol ("fooo") where
50 "fooo" is a constant string. This is done at the cost of one static
51 variable per ly_symbol2scm() use, and one boolean evaluation for
54 The overall speedup of lily is about 5% on a run of wtk1-fugue2. */
55 #define ly_symbol2scm(x) \
58 /* We store this one locally, since G++ -O2 fucks up else */ \
60 if ( __builtin_constant_p ((x))) \
63 value = cached = scm_gc_protect_object (scm_str2symbol ((x))); \
66 value = scm_str2symbol ((char*) (x)); \
70 inline SCM ly_symbol2scm(char const* x) { return scm_str2symbol ((x)); }
73 extern SCM global_lily_module;
76 TODO: rename me to ly_c_lily_module_eval
78 #define ly_lily_module_constant(x) \
81 /* We store this one locally, since G++ -O2 fucks up else */ \
83 if ( __builtin_constant_p ((x))) \
86 value = cached = scm_gc_protect_object (scm_eval (scm_str2symbol (x), \
87 global_lily_module)); \
90 value = scm_eval (scm_str2symbol (x), global_lily_module); \
94 String gulp_file_to_string (String fn, bool must_exist);
96 String ly_scm2string (SCM s);
97 String ly_symbol2string (SCM);
98 SCM ly_offset2scm (Offset);
99 Offset ly_scm2offset (SCM);
100 SCM ly_chain_assoc (SCM key, SCM achain);
101 SCM ly_chain_assoc_get (SCM key, SCM achain, SCM dfault);
102 SCM ly_assoc_cdr (SCM key, SCM alist);
103 SCM ly_assoc_get (SCM key, SCM alist, SCM def);
104 Interval ly_scm2interval (SCM);
105 Drul_array<Real> ly_scm2realdrul (SCM);
106 Slice int_list_to_slice (SCM l);
107 SCM ly_interval2scm (Drul_array<Real>);
108 char *ly_scm2newstr (SCM str, size_t *lenp);
110 Real robust_scm2double (SCM, double);
111 int robust_scm2int (SCM, int);
112 Drul_array<Real> robust_scm2drul (SCM, Drul_array<Real>);
113 Interval robust_scm2interval (SCM, Drul_array<Real>);
114 Offset robust_scm2offset (SCM, Offset);
116 SCM ly_quote_scm (SCM s);
117 bool type_check_assignment (SCM val, SCM sym, SCM type_symbol) ;
118 String print_scm_val (SCM val);
119 SCM ly_number2string (SCM s);
121 SCM parse_symbol_list (char const *);
122 SCM robust_list_ref(int i, SCM l);
123 SCM alist_to_hashq (SCM);
126 /* inserts at front, removing dublicates */
127 inline SCM ly_assoc_front_x(SCM alist, SCM key, SCM val)
129 return scm_acons(key, val, scm_assoc_remove_x (alist, key));
131 inline bool ly_c_char_p (SCM x) { return SCM_CHARP (x); }
132 inline bool ly_c_vector_p (SCM x) { return SCM_VECTORP (x); }
133 inline bool ly_c_list_p (SCM x) { return SCM_NFALSEP (scm_list_p (x)); }
134 inline bool ly_c_procedure_p (SCM x) { return SCM_NFALSEP (scm_procedure_p (x)); }
135 inline bool ly_c_equal_p (SCM x, SCM y) {
136 return SCM_NFALSEP (scm_equal_p (x, y));
140 inline bool ly_scm2bool (SCM x) { return SCM_NFALSEP (x); }
141 inline char ly_scm2char (SCM x) { return SCM_CHAR(x); }
142 inline unsigned long ly_length (SCM x) {
143 return scm_num2ulong (scm_length (x), 0, "ly_length");
145 inline unsigned long ly_vector_length (SCM x) { return SCM_VECTOR_LENGTH (x); }
147 inline SCM ly_bool2scm (bool x) { return SCM_BOOL (x); }
149 inline SCM ly_append2 (SCM x1, SCM x2) {
150 return scm_append (scm_listify (x1, x2, SCM_UNDEFINED));
152 inline SCM ly_append3 (SCM x1, SCM x2, SCM x3) {
153 return scm_append (scm_listify (x1, x2, x3, SCM_UNDEFINED));
155 inline SCM ly_append4 (SCM x1, SCM x2, SCM x3, SCM x4) {
156 return scm_append (scm_listify (x1, x2, x3, x4, SCM_UNDEFINED));
160 display and print newline.
163 void ly_display_scm (SCM s);
166 void read_lily_scm_file (String);
167 void ly_c_init_guile ();
169 bool is_direction (SCM s);
170 bool is_number_pair (SCM);
174 these conversion functions also do a typecheck on the argument, and
175 return a default value if S has the wrong type.
178 Direction to_dir (SCM s);
179 bool to_boolean (SCM s);
181 void init_ly_protection ();
182 unsigned int ly_scm_hash (SCM s);
184 SCM index_get_cell (SCM cell, Direction d);
185 SCM index_set_cell (SCM cell, Direction d, SCM val);
187 SCM ly_snoc (SCM s, SCM list);
188 SCM ly_split_list (SCM s, SCM lst);
189 SCM ly_unique (SCM lst);
190 SCM ly_list_qsort_uniq_x (SCM lst);
192 SCM ly_output_formats();
193 SCM ly_kpathsea_find_file (SCM);
198 void add_scm_init_func (void (*) ());
201 typedef SCM (*Scheme_function_unknown) ();
204 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 96
205 typedef SCM (*Scheme_function_0) ();
206 typedef SCM (*Scheme_function_1) (SCM);
207 typedef SCM (*Scheme_function_2) (SCM,SCM);
208 typedef SCM (*Scheme_function_3) (SCM,SCM, SCM);
210 typedef SCM (*Scheme_function_0) (...);
211 typedef SCM (*Scheme_function_1) (...);
212 typedef SCM (*Scheme_function_2) (...);
213 typedef SCM (*Scheme_function_3) (...);
218 Adds the NAME as a Scheme function, and a variable to store the SCM
219 version of the function in the static variable NAME_proc
221 #define DECLARE_SCHEME_CALLBACK(NAME, ARGS) \
222 static SCM NAME ARGS; \
223 static SCM NAME ## _proc
226 Make TYPE::FUNC available as a Scheme function.
228 #define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
229 SCM TYPE :: FUNC ## _proc; \
231 TYPE ## _ ## FUNC ## _init_functions () \
233 TYPE :: FUNC ## _proc = scm_c_define_gsubr (#TYPE "::" #FUNC, \
235 (Scheme_function_unknown)TYPE :: FUNC); \
236 scm_c_export (#TYPE "::" #FUNC, NULL); \
239 ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, \
240 TYPE ## _ ## FUNC ## _init_functions);
244 ly_add_function_documentation (SCM proc, char const *fname,
248 #define ADD_SCM_INIT_FUNC(name, func) \
249 class name ## _scm_initter \
252 name ## _scm_initter () \
254 add_scm_init_func (func); \
256 } _ ## name ## _scm_initter; \
259 #define LY_DEFINE_WITHOUT_DECL(INITPREFIX, FNAME, PRIMNAME, REQ, OPT, VAR, \
260 ARGLIST, DOCSTRING) \
261 SCM FNAME ## _proc; \
263 INITPREFIX ## init () \
265 FNAME ## _proc = scm_c_define_gsubr (PRIMNAME,REQ, OPT, VAR, \
266 (Scheme_function_unknown) FNAME); \
267 ly_add_function_documentation (FNAME ## _proc, PRIMNAME, #ARGLIST, \
269 scm_c_export (PRIMNAME, NULL); \
271 ADD_SCM_INIT_FUNC (INITPREFIX ## init_unique_prefix, INITPREFIX ## init); \
276 #define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
278 LY_DEFINE_WITHOUT_DECL (FNAME, FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, \
281 #define LY_DEFINE_MEMBER_FUNCTION(CLASS, FNAME, PRIMNAME, REQ, OPT, VAR, \
282 ARGLIST, DOCSTRING) \
284 LY_DEFINE_WITHOUT_DECL (CLASS ## FNAME, CLASS::FNAME, PRIMNAME, REQ, OPT, \
285 VAR, ARGLIST, DOCSTRING)
287 #define get_property(x) internal_get_property (ly_symbol2scm (x))
288 #define set_property(x, y) internal_set_property (ly_symbol2scm (x), y)
290 #endif /* LILY_GUILE_HH */