source file of the GNU LilyPond music typesetter
- (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+
+ Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
#include <stdio.h>
+#include <stdlib.h>
+
#include "libc-extension.hh"
#include "lily-guile.hh"
#include "main.hh"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include "simple-file-storage.hh"
+#include "file-path.hh"
+#include "debug.hh"
SCM
-ly_append (SCM a, SCM b)
+ly_ch_C_to_scm (char const*c)
{
- return gh_call2 (gh_eval_str ("append"), a, b);
+ // this all really sucks, guile should take char const* arguments!
+ return gh_str02scm ((char*)c);
}
SCM
-ly_list1 (SCM a)
+ly_ch_C_eval_scm (char const*c)
{
- return gh_call1 (gh_eval_str ("list"), a);
+ // this all really sucks, guile should take char const* arguments!
+ return gh_eval_str ((char*)c);
}
+/*
+ scm_m_quote doesn't use any env, but needs one for a good signature in GUILE.
+*/
+
SCM
-ly_list2(SCM a, SCM b)
+ly_quote_scm (SCM s)
{
- return gh_call2 (gh_eval_str ("list"), a, b);
+ return scm_m_quote (scm_cons2 (SCM_EOL, s, SCM_EOL) ,SCM_EOL); // apparently env arg is ignored.
}
+/*
+ See: libguile/symbols.c
+
+ SCM
+ scm_string_to_symbol(s)
+
+*/
SCM
-ly_quote ()
+ly_symbol (String name)
{
- return gh_eval_str ("'quote");
+ return gh_car (scm_intern ((char*)name.ch_C(), name.length_i()));
}
-SCM
-ly_eval (SCM a)
+String
+symbol_to_string (SCM s)
{
- return gh_call1 (gh_eval_str ("eval"), a);
+ return String((Byte*)SCM_CHARS (s), (int) SCM_LENGTH(s));
}
SCM
-ly_lambda_o ()
+ly_set_scm (String name, SCM val)
{
- return gh_eval_str ("'(lambda (o))");
+ return scm_sysintern ((char*)name.ch_C(), val);
+
}
-SCM
-ly_func_o (char const* name)
+/**
+ Read a file, and shove it down GUILE. GUILE also has file read
+ functions, but you can't fiddle with the path of those.
+ */
+void
+read_lily_scm_file (String fn)
{
- char buf[200];
- snprintf (buf, 200, "'(%s o)", name);
- return gh_eval_str (buf);
-}
+ String s = global_path.find (fn);
+ if (s == "")
+ {
+ String e = _f ("can't find file: `%s\'", fn);
+ e += " ";
+ e += _f ("(load path: `%s\')", global_path.str ());
+ error (e);
+ }
+ else
+ *mlog << '[' << s;
-#ifdef __cplusplus
+
+ Simple_file_storage f(s);
+
+ ly_ch_C_eval_scm ((char *) f.ch_C());
+ *mlog << ']' << flush;
}
-#endif
+
SCM
-lambda_scm (String str, Array<Scalar> args_arr)
+ly_gulp_file (SCM name)
{
- if (str.empty_b ())
+ String fn (ly_scm2string (name));
+ String s = global_path.find (fn);
+ if (s == "")
{
- str = "empty";
- args_arr.clear ();
+ String e = _f ("can't find file: `%s\'", fn);
+ e += " ";
+ e += _f ("(load path: `%s\')", global_path.str ());
+ error (e);
}
- SCM args_scm = SCM_EOL;
- for (int i = args_arr.size () - 1; i >= 0; i--)
- args_scm = gh_cons (gh_str02scm (args_arr[i].ch_l ()), args_scm);
- SCM scm =
- ly_append (ly_lambda_o (),
- ly_list1 (ly_append (ly_func_o (str.ch_l ()), args_scm)));
- return scm;
+ else
+ *mlog << '[' << s;
+
+
+ Simple_file_storage f(s);
+ return ly_ch_C_to_scm (f.ch_C());
+}
+
+void
+ly_display_scm (SCM s)
+{
+ gh_display (s);
+ gh_newline ();
+}
+
+String
+ly_scm2string (SCM s)
+{
+ int len;
+ char * p = gh_scm2newstr (s , &len);
+
+ String r (p);
+ // delete p;
+ free (p);
+ return r;
}
SCM
-lambda_scm (String str, Array<Real> args_arr)
+index_cell (SCM s, Direction d)
{
- if (str.empty_b ())
+ assert (d);
+ return (d == LEFT) ? SCM_CAR (s) : SCM_CDR (s);
+}
+
+
+SCM
+array_to_list (SCM *a , int l)
+{
+ SCM list = SCM_EOL;
+ for (int i= l; i--; )
{
- str = "empty";
- args_arr.clear ();
+ list = gh_cons (a[i], list);
}
- SCM args_scm = SCM_EOL;
- for (int i = args_arr.size () - 1; i >= 0; i--)
- args_scm = gh_cons (gh_double2scm (args_arr[i]), args_scm);
- SCM scm =
- ly_append (ly_lambda_o (),
- ly_list1 (ly_append (ly_func_o (str.ch_l ()), args_scm)));
- return scm;
+ return list;
}
+SCM
+ly_warning (SCM str)
+{
+ assert (gh_string_p (str));
+ warning ("lily-guile: " + ly_scm2string (str));
+ return SCM_BOOL_T;
+}
+
+void
+init_functions ()
+{
+ scm_make_gsubr ("ly-warn", 1, 0, 0, (SCM(*)(...))ly_warning);
+ scm_make_gsubr ("ly-gulp-file", 1,0, 0, (SCM(*)(...))ly_gulp_file);
+}
+
+extern void init_symbols ();
+
+void
+init_lily_guile ()
+{
+ init_symbols();
+ init_functions ();
+}