2 lily-guile.hh encapsulate guile
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
14 TODO: the GH interface is deprecated as of GUILE 1.6
16 Remove all gh_XXX functions.
21 /* GUILE only includes version in headers (libguile/version.h) as of
22 1.5.x. For some strange reason, they call it SCM.*VERSION.
24 Not including config.h here, saves a lot of unnecessary
28 #ifndef GUILE_MAJOR_VERSION
29 #ifdef SCM_MAJOR_VERSION
30 #define GUILE_MAJOR_VERSION SCM_MAJOR_VERSION
31 #define GUILE_MINOR_VERSION SCM_MINOR_VERSION
32 #define GUILE_PATCH_LEVEL SCM_MICRO_VERSION
38 #include "drul-array.hh"
40 /* Guile 1.4.x compatibility */
41 #if GUILE_MINOR_VERSION < 5
43 #define scm_t_bits scm_bits_t
45 #define fix_guile_1_4_gh_scm2newstr(str, lenp) gh_scm2newstr (str, (int*)lenp)
46 #define gh_scm2newstr(str, lenp) fix_guile_1_4_gh_scm2newstr (str, lenp)
48 #define fix_guile_1_4_scm_primitive_eval(form) scm_eval_3 (form, 1, SCM_EOL)
49 #define scm_primitive_eval(form) fix_guile_1_4_scm_primitive_eval (form)
51 #define scm_current_module() (SCM)0
52 #define scm_set_current_module(x) (void)x
53 #define scm_c_resolve_module(x) (SCM)0
55 inline SCM scm_c_make_vector (int k, SCM val) {
56 return scm_make_vector (SCM_MAKINUM (k), val);
58 #define scm_c_define_gsubr scm_make_gsubr
59 #define scm_c_eval_string(str) gh_eval_str ((char*)str)
61 #define scm_gc_protect_object scm_protect_object
62 #define scm_gc_unprotect_object scm_unprotect_object
63 #define scm_list_n scm_listify
64 #define SCM_STRING_CHARS SCM_CHARS
65 #define SCM_STRING_LENGTH SCM_LENGTH
66 #define SCM_SYMBOL_CHARS SCM_CHARS
67 #define SCM_SYMBOL_LENGTH SCM_LENGTH
68 #define SCM_VECTOR_LENGTH SCM_LENGTH
73 #include "direction.hh"
74 #include "flower-proto.hh"
77 #define SCM_PACK(x) ((SCM) x)
81 #define SCM_UNPACK(x) ( x)
85 conversion functions follow the GUILE naming convention, i.e.
90 SCM ly_last (SCM list);
91 SCM ly_str02scm (char const*c);
92 SCM ly_write2scm (SCM s);
93 SCM ly_deep_copy (SCM);
94 SCM ly_truncate_list (int k, SCM l );
99 todo: should add check for x86 as well
101 #define CACHE_SYMBOLS
106 We don't use gh_symbol2scm directly, since it has const-correctness
107 problems in GUILE 1.3.4
110 SCM my_gh_symbol2scm (const char* x);
116 Using this trick we cache the value of gh_symbol2scm ("fooo") where
117 "fooo" is a constant string. This is done at the cost of one static
118 variable per ly_symbol2scm() use, and one boolean evaluation for
121 The overall speedup of lily is about 5% on a run of wtk1-fugue2
124 #define ly_symbol2scm(x) ({ static SCM cached; \
125 SCM value = cached; /* We store this one locally, since G++ -O2 fucks up else */ \
126 if ( __builtin_constant_p ((x)))\
128 value = cached = scm_gc_protect_object (my_gh_symbol2scm((x)));\
130 value = gh_symbol2scm ((char*) (x)); \
133 inline SCM ly_symbol2scm(char const* x) { return my_gh_symbol2scm((x)); }
138 String ly_scm2string (SCM s);
139 String ly_symbol2string (SCM);
140 SCM ly_offset2scm (Offset);
141 Offset ly_scm2offset (SCM);
142 SCM ly_assoc_chain (SCM key, SCM achain);
143 SCM ly_assoc_cdr (SCM key, SCM alist);
144 Interval ly_scm2interval (SCM);
145 SCM ly_interval2scm (Drul_array<Real>);
150 SCM ly_parse_scm (char const* s, int* n);
151 SCM ly_quote_scm (SCM s);
153 bool type_check_assignment (SCM val, SCM sym, SCM type_symbol) ;
154 String print_scm_val (SCM val);
155 SCM ly_number2string (SCM s);
157 SCM parse_symbol_list (char const *);
159 inline SCM ly_cdr (SCM x) { return SCM_CDR (x); }
160 inline SCM ly_car (SCM x) { return SCM_CAR (x); }
161 inline SCM ly_caar (SCM x) { return SCM_CAAR (x); }
162 inline SCM ly_cdar (SCM x) { return SCM_CDAR (x); }
163 inline SCM ly_cadr (SCM x) { return SCM_CADR (x); }
164 inline SCM ly_cddr (SCM x) { return SCM_CDDR (x); }
165 inline SCM ly_caddr (SCM x) { return SCM_CADDR (x); }
166 inline SCM ly_cdadr (SCM x) { return SCM_CDADR (x); }
167 inline SCM ly_caadr (SCM x) { return SCM_CAADR (x); }
168 /* inserts at front, removing dublicates */
169 inline SCM ly_assoc_front_x(SCM alist, SCM key, SCM val)
171 return scm_acons(key, val, scm_assoc_remove_x (alist, key));
174 #define gh_pair_p ly_pair_p
175 bool ly_pair_p (SCM x);
177 inline bool ly_pair_p (SCM x) { return SCM_NFALSEP (scm_pair_p (x)); }
179 inline bool ly_symbol_p (SCM x) { return SCM_SYMBOLP (x); }
180 inline bool ly_number_p (SCM x) { return SCM_NUMBERP (x); }
181 inline bool ly_procedure_p (SCM x) { return SCM_NFALSEP (scm_procedure_p(x)); }
184 display and print newline.
187 void ly_display_scm (SCM s);
192 void read_lily_scm_file (String);
193 void init_lily_guile (String dir);
195 bool ly_dir_p (SCM s);
196 bool ly_number_pair_p (SCM);
197 bool ly_axis_p (SCM);
200 these conversion functions also do a typecheck on the argument, and
201 return a default value if S has the wrong type.
204 Direction to_dir (SCM s);
205 bool to_boolean (SCM s);
207 void init_ly_protection ();
208 unsigned int ly_scm_hash (SCM s);
210 SCM index_cell (SCM cellp, Direction d);
211 SCM index_set_cell (SCM cellp, Direction d, SCM val);
215 SCM ly_snoc (SCM s, SCM list);
216 SCM ly_split_list (SCM s, SCM list);
217 SCM ly_unique (SCM list);
221 void add_scm_init_func (void (*) ());
224 typedef SCM (*Scheme_function_unknown) ();
226 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 96
227 typedef SCM (*Scheme_function_0) ();
228 typedef SCM (*Scheme_function_1) (SCM);
229 typedef SCM (*Scheme_function_2) (SCM,SCM);
230 typedef SCM (*Scheme_function_3) (SCM,SCM, SCM);
232 typedef SCM (*Scheme_function_0) (...);
233 typedef SCM (*Scheme_function_1) (...);
234 typedef SCM (*Scheme_function_2) (...);
235 typedef SCM (*Scheme_function_3) (...);
238 #define DECLARE_SCHEME_CALLBACK(NAME,ARGS) \
239 static SCM NAME ARGS; \
240 static SCM NAME ## _proc
242 #define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
243 SCM TYPE :: FUNC ## _proc;\
245 TYPE ## _ ## FUNC ## _init_functions () \
247 TYPE :: FUNC ## _proc = gh_new_procedure ## ARGCOUNT ## _0 (#TYPE "::" #FUNC, \
248 ((Scheme_function_ ## ARGCOUNT)TYPE :: FUNC)); \
251 ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, TYPE ## _ ## FUNC ## _init_functions); \
254 void ly_add_function_documentation (char const * fname,
255 char const * varlist,
258 #define ADD_SCM_INIT_FUNC(name, func)\
259 class name ## _scm_initter { \
261 name ## _scm_initter () \
263 add_scm_init_func (func); \
265 } _ ## name ## _scm_initter; \
268 #define LY_DEFINE(FNAME, PRIMNAME, REQ, OPT, VAR, ARGLIST, DOCSTRING) \
269 SCM FNAME ARGLIST ; \
275 = scm_c_define_gsubr (PRIMNAME,REQ, OPT, VAR, (Scheme_function_unknown) FNAME);\
276 ly_add_function_documentation (PRIMNAME, #ARGLIST, DOCSTRING);\
278 ADD_SCM_INIT_FUNC (FNAME ## init_unique_prefix, FNAME ## init);\
286 #endif // LILY_GUILE_HH