2 lily-guile.hh encapsulate guile
4 source file of the GNU LilyPond music typesetter
6 (c) 1998--2001 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_c_define_gsubr scm_make_gsubr
55 #define scm_c_eval_string(str) gh_eval_str ((char*)str)
56 #define scm_c_memq scm_sloppy_memq
57 #define scm_gc_protect_object scm_protect_object
58 #define scm_gc_unprotect_object scm_unprotect_object
59 #define scm_list_n scm_listify
60 #define SCM_STRING_CHARS SCM_CHARS
61 #define SCM_STRING_LENGTH SCM_LENGTH
62 #define SCM_SYMBOL_CHARS SCM_CHARS
63 #define SCM_SYMBOL_LENGTH SCM_LENGTH
68 #include "direction.hh"
69 #include "flower-proto.hh"
72 #define SCM_PACK(x) ((SCM) x)
76 #define SCM_UNPACK(x) ( x)
80 conversion functions follow the GUILE naming convention, i.e.
85 SCM ly_last (SCM list);
86 SCM ly_str02scm (char const*c);
87 SCM ly_write2scm (SCM s);
88 SCM ly_deep_copy (SCM);
89 SCM ly_truncate_list (int k, SCM l );
96 We don't use gh_symbol2scm directly, since it has const-correctness
97 problems in GUILE 1.3.4
100 SCM my_gh_symbol2scm (const char* x);
102 // #warning: CACHE_SYMBOLS
105 Using this trick we cache the value of gh_symbol2scm ("fooo") where
106 "fooo" is a constant string. This is done at the cost of one static
107 variable per ly_symbol2scm() use, and one boolean evaluation for
110 The overall speedup of lily is about 5% on a run of wtk1-fugue2
113 #define ly_symbol2scm(x) ({ static SCM cached; \
114 SCM value = cached; /* We store this one locally, since G++ -O2 fucks up else */ \
115 if ( __builtin_constant_p ((x)))\
117 value = cached = scm_gc_protect_object (my_gh_symbol2scm((x)));\
119 value = gh_symbol2scm ((char*) (x)); \
122 inline SCM ly_symbol2scm(char const* x) { return gh_symbol2scm((x)); }
127 String ly_scm2string (SCM s);
128 String ly_symbol2string (SCM);
129 SCM ly_offset2scm (Offset);
130 Offset ly_scm2offset (SCM);
131 SCM ly_assoc_chain (SCM key, SCM achain);
132 Interval ly_scm2interval (SCM);
133 SCM ly_interval2scm (Interval);
135 SCM ly_parse_scm (char const* s, int* n);
136 SCM ly_quote_scm (SCM s);
138 bool type_check_assignment (SCM val, SCM sym, SCM type_symbol) ;
139 SCM ly_number2string (SCM s);
141 SCM parse_symbol_list (char const *);
143 inline SCM ly_cdr (SCM x) { return SCM_CDR (x); }
144 inline SCM ly_car (SCM x) { return SCM_CAR (x); }
145 inline SCM ly_caar (SCM x) { return SCM_CAAR (x); }
146 inline SCM ly_cdar (SCM x) { return SCM_CDAR (x); }
147 inline SCM ly_cadr (SCM x) { return SCM_CADR (x); }
148 inline SCM ly_cddr (SCM x) { return SCM_CDDR (x); }
149 inline SCM ly_caddr (SCM x) { return SCM_CADDR (x); }
150 inline SCM ly_cdadr (SCM x) { return SCM_CDADR (x); }
151 inline SCM ly_caadr (SCM x) { return SCM_CAADR (x); }
152 inline bool ly_pair_p (SCM x) { return SCM_NFALSEP (scm_pair_p (x)); }
153 inline bool ly_symbol_p (SCM x) { return SCM_SYMBOLP (x); }
154 inline bool ly_number_p (SCM x) { return SCM_NUMBERP (x); }
155 inline bool ly_procedure_p (SCM x) { return SCM_NFALSEP (scm_procedure_p(x)); }
158 display and print newline.
161 void ly_display_scm (SCM s);
166 void read_lily_scm_file (String);
167 void init_lily_guile ();
169 bool isdir_b (SCM s);
170 bool isaxis_b (SCM s);
171 bool ly_number_pair_p (SCM);
172 bool ly_axis_p (SCM);
175 these conversion functions also do a typecheck on the argument, and
176 return a default value if S has the wrong type.
179 Direction to_dir (SCM s);
180 bool to_boolean (SCM s);
182 void init_ly_protection ();
183 unsigned int ly_scm_hash (SCM s);
185 SCM index_cell (SCM cellp, Direction d);
186 SCM index_set_cell (SCM cellp, Direction d, SCM val);
192 void add_scm_init_func (void (*) ());
195 typedef SCM (*Scheme_function_unknown) ();
197 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 96
198 typedef SCM (*Scheme_function_0) ();
199 typedef SCM (*Scheme_function_1) (SCM);
200 typedef SCM (*Scheme_function_2) (SCM,SCM);
202 typedef SCM (*Scheme_function_0) (...);
203 typedef SCM (*Scheme_function_1) (...);
204 typedef SCM (*Scheme_function_2) (...);
207 #define DECLARE_SCHEME_CALLBACK(NAME,ARGS) \
208 static SCM NAME ARGS; \
209 static SCM NAME ## _proc
211 #define MAKE_SCHEME_CALLBACK(TYPE, FUNC, ARGCOUNT) \
212 SCM TYPE :: FUNC ## _proc;\
214 TYPE ## _ ## FUNC ## _init_functions () \
216 TYPE :: FUNC ## _proc = gh_new_procedure ## ARGCOUNT ## _0 (#TYPE "::" #FUNC, \
217 ((Scheme_function_ ## ARGCOUNT)TYPE :: FUNC)); \
220 ADD_SCM_INIT_FUNC (TYPE ## _ ## FUNC ## _callback, TYPE ## _ ## FUNC ## _init_functions); \
223 #define ADD_SCM_INIT_FUNC(name, func)\
224 class name ## _scm_initter { \
226 name ## _scm_initter () \
228 add_scm_init_func (func); \
230 } _ ## name ## _scm_initter; \
233 #endif // LILY_GUILE_HH