2 lily-guile.hh encapsulate guile
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
12 #define SCM_VOIDP_TEST
17 TODO: the GH interface is deprecated as of GUILE 1.6
19 Remove all gh_XXX functions.
25 /* Guile 1.3.4 compatibility */
26 #if GUILE_MINOR_VERSION < 4
30 #define SCM_CELL_TYPE(X) SCM_CAR (X)
33 #ifndef SCM_CELL_WORD_1
34 #define SCM_CELL_WORD_1(X) SCM_CDR (X)
37 #define scm_bits_t SCM
39 #define fix_guile_1_3_4_scm_puts(scm_data, port) scm_puts ((char*)scm_data, port)
40 #define scm_puts(scm_data, port) fix_guile_1_3_4_scm_puts (scm_data, port)
43 /* Guile 1.4.x compatibility */
44 #if GUILE_MINOR_VERSION < 5
46 #define scm_t_bits scm_bits_t
48 #define fix_guile_1_4_gh_scm2newstr(str, lenp) gh_scm2newstr (str, (int*)lenp)
49 #define gh_scm2newstr(str, lenp) fix_guile_1_4_gh_scm2newstr (str, lenp)
51 #define fix_guile_1_4_scm_primitive_eval(form) scm_eval_3 (form, 1, SCM_EOL)
52 #define scm_primitive_eval(form) fix_guile_1_4_scm_primitive_eval (form)
54 #define scm_current_module() (SCM)0
55 #define scm_set_current_module(x) (void)x
56 #define scm_c_resolve_module(x) (SCM)0
58 #define scm_c_define_gsubr scm_make_gsubr
59 #define scm_c_eval_string(str) gh_eval_str ((char*)str)
60 #define scm_c_memq scm_sloppy_memq
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
72 #include "direction.hh"
73 #include "flower-proto.hh"
76 #define SCM_PACK(x) ((SCM) x)
80 #define SCM_UNPACK(x) ( x)
84 conversion functions follow the GUILE naming convention, i.e.
89 SCM ly_last (SCM list);
90 SCM ly_str02scm (char const*c);
91 SCM ly_write2scm (SCM s);
92 SCM ly_deep_copy (SCM);
93 SCM ly_truncate_list (int k, SCM l );
98 todo: should add check for x86 as well
100 #define CACHE_SYMBOLS
105 We don't use gh_symbol2scm directly, since it has const-correctness
106 problems in GUILE 1.3.4
109 SCM my_gh_symbol2scm (const char* x);
115 Using this trick we cache the value of gh_symbol2scm ("fooo") where
116 "fooo" is a constant string. This is done at the cost of one static
117 variable per ly_symbol2scm() use, and one boolean evaluation for
120 The overall speedup of lily is about 5% on a run of wtk1-fugue2
123 #define ly_symbol2scm(x) ({ static SCM cached; \
124 SCM value = cached; /* We store this one locally, since G++ -O2 fucks up else */ \
125 if ( __builtin_constant_p ((x)))\
127 value = cached = scm_gc_protect_object (my_gh_symbol2scm((x)));\
129 value = gh_symbol2scm ((char*) (x)); \
132 inline SCM ly_symbol2scm(char const* x) { return my_gh_symbol2scm((x)); }
137 String ly_scm2string (SCM s);
138 String ly_symbol2string (SCM);
139 SCM ly_offset2scm (Offset);
140 Offset ly_scm2offset (SCM);
141 SCM ly_assoc_chain (SCM key, SCM achain);
142 SCM ly_assoc_cdr (SCM key, SCM alist);
143 Interval ly_scm2interval (SCM);
144 SCM ly_interval2scm (Interval);
147 SCM ly_parse_scm (char const* s, int* n);
148 SCM ly_quote_scm (SCM s);
150 bool type_check_assignment (SCM val, SCM sym, SCM type_symbol) ;
151 SCM ly_number2string (SCM s);
153 SCM parse_symbol_list (char const *);
155 inline SCM ly_cdr (SCM x) { return SCM_CDR (x); }
156 inline SCM ly_car (SCM x) { return SCM_CAR (x); }
157 inline SCM ly_caar (SCM x) { return SCM_CAAR (x); }
158 inline SCM ly_cdar (SCM x) { return SCM_CDAR (x); }
159 inline SCM ly_cadr (SCM x) { return SCM_CADR (x); }
160 inline SCM ly_cddr (SCM x) { return SCM_CDDR (x); }
161 inline SCM ly_caddr (SCM x) { return SCM_CADDR (x); }
162 inline SCM ly_cdadr (SCM x) { return SCM_CDADR (x); }
163 inline SCM ly_caadr (SCM x) { return SCM_CAADR (x); }
164 /* inserts at front, removing dublicates */
165 inline SCM ly_assoc_front_x(SCM alist, SCM key, SCM val)
167 return scm_acons(key, val, scm_assoc_remove_x (alist, key));
169 inline bool ly_pair_p (SCM x) { return SCM_NFALSEP (scm_pair_p (x)); }
170 inline bool ly_symbol_p (SCM x) { return SCM_SYMBOLP (x); }
171 inline bool ly_number_p (SCM x) { return SCM_NUMBERP (x); }
172 inline bool ly_procedure_p (SCM x) { return SCM_NFALSEP (scm_procedure_p(x)); }
175 display and print newline.
178 void ly_display_scm (SCM s);
183 void read_lily_scm_file (String);
184 void init_lily_guile (String dir);
186 bool isdir_b (SCM s);
187 bool isaxis_b (SCM s);
188 bool ly_number_pair_p (SCM);
189 bool ly_axis_p (SCM);
192 these conversion functions also do a typecheck on the argument, and
193 return a default value if S has the wrong type.
196 Direction to_dir (SCM s);
197 bool to_boolean (SCM s);
199 void init_ly_protection ();
200 unsigned int ly_scm_hash (SCM s);
202 SCM index_cell (SCM cellp, Direction d);
203 SCM index_set_cell (SCM cellp, Direction d, SCM val);
209 void add_scm_init_func (void (*) ());
212 typedef SCM (*Scheme_function_unknown) ();
214 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 96
215 typedef SCM (*Scheme_function_0) ();
216 typedef SCM (*Scheme_function_1) (SCM);
217 typedef SCM (*Scheme_function_2) (SCM,SCM);
219 typedef SCM (*Scheme_function_0) (...);
220 typedef SCM (*Scheme_function_1) (...);
221 typedef SCM (*Scheme_function_2) (...);
224 #define DECLARE_SCHEME_CALLBACK(NAME,ARGS) \
225 static SCM NAME ARGS; \
226 static SCM NAME ## _proc
228 #define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
229 SCM TYPE :: FUNC ## _proc;\
231 TYPE ## _ ## FUNC ## _init_functions () \
233 TYPE :: FUNC ## _proc = gh_new_procedure ## ARGCOUNT ## _0 (#TYPE "::" #FUNC, \
234 ((Scheme_function_ ## ARGCOUNT)TYPE :: FUNC)); \
237 ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, TYPE ## _ ## FUNC ## _init_functions); \
240 #define ADD_SCM_INIT_FUNC(name, func)\
241 class name ## _scm_initter { \
243 name ## _scm_initter () \
245 add_scm_init_func (func); \
247 } _ ## name ## _scm_initter; \
250 #endif // LILY_GUILE_HH