Merge branch 'master' of ssh+git://git.sv.gnu.org/srv/git/lilypond

[lilypond.git] / lily / include / lily-guile.hh

diff --git a/lily/include/lily-guile.hh b/lily/include/lily-guile.hh
index c2cfb8ebfca2f9961bee9bdc0a4f8d1aaeb415a0..2265e249c29ff6f8d926c8b738c55a29154b88ca 100644 (file)
--- a/lily/include/lily-guile.hh
+++ b/lily/include/lily-guile.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #ifndef LILY_GUILE_HH
@@ -14,7 +14,7 @@
 #endif
 
 #include <libguile.h>
-
+#include <string.h>
 
 /*
   Hack for various MacOS incarnations.
@@ -32,17 +32,15 @@
     A ly_B2A (B b);  */
 
 SCM ly_last (SCM list);
-SCM ly_write2scm (SCM s);
+string ly_scm_write_string (SCM s);
 SCM ly_deep_copy (SCM);
 SCM ly_truncate_list (int k, SCM lst);
 
-SCM ly_to_string (SCM scm);
-SCM ly_to_symbol (SCM scm);
-
 extern SCM global_lily_module;
 
 string gulp_file_to_string (string fn, bool must_exist, int size);
 
+SCM ly_string2scm (string const &s);
 string ly_scm2string (SCM s);
 string ly_symbol2string (SCM);
 Rational ly_scm2rational (SCM);
@@ -67,6 +65,7 @@ Drul_array<bool> robust_scm2booldrul (SCM, Drul_array<bool>);
 Interval robust_scm2interval (SCM, Drul_array<Real>);
 Offset robust_scm2offset (SCM, Offset);
 string robust_scm2string (SCM, string);
+Rational robust_scm2rational (SCM, Rational);
 
   
 SCM ly_quote_scm (SCM s);
@@ -81,17 +80,21 @@ SCM alist_to_hashq (SCM);
 SCM ly_alist_vals (SCM alist);
 SCM ly_hash2alist (SCM tab);
 SCM ly_hash_table_keys (SCM tab);
-int procedure_arity (SCM);
 
-/* inserts at front, removing dublicates */
-inline SCM ly_assoc_front_x (SCM alist, SCM key, SCM val)
-{
-  return scm_acons (key, val, scm_assoc_remove_x (alist, key));
-}
+SCM ly_assoc_prepend_x (SCM alist, SCM key, SCM val);
+inline bool ly_is_fraction (SCM x) { return SCM_FRACTIONP(x) || scm_is_integer (x); }
+    
 inline bool ly_is_list (SCM x) { return SCM_NFALSEP (scm_list_p (x)); }
+inline bool ly_cheap_is_list (SCM x) { return scm_is_pair (x) || x == SCM_EOL; }
 inline bool ly_is_procedure (SCM x) { return SCM_NFALSEP (scm_procedure_p (x)); }
 inline bool ly_is_port (SCM x) { return SCM_NFALSEP (scm_port_p (x)); }
 
+/*
+  want to take the address of this function; scm_is_symbol() is a
+  macro.
+ */
+inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
+
 inline bool ly_is_equal (SCM x, SCM y)
 {
   return SCM_NFALSEP (scm_equal_p (x, y));
@@ -171,6 +174,10 @@ typedef SCM (*Scheme_function_2) (GUILE_ELLIPSIS);
 typedef SCM (*Scheme_function_3) (GUILE_ELLIPSIS);
 #endif
 
+
+/*
+  Inline these for performance reasons.
+ */
 #define scm_cdr ly_cdr
 #define scm_car ly_car