source file of the GNU LilyPond music typesetter
- (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <stdio.h>
#include <stdlib.h>
+#include <math.h> // isinf
#include "libc-extension.hh"
#include "lily-guile.hh"
#include "file-path.hh"
#include "debug.hh"
#include "direction.hh"
+#include "offset.hh"
+#include "interval.hh"
SCM
ly_str02scm (char const*c)
return gh_str02scm ((char*)c);
}
-SCM
-ly_eval_str (String s)
-{
- // this all really sucks, guile should take char const* arguments!
- return gh_eval_str ((char*)s.ch_C ());
-}
-
+
/*
Pass string to scm parser, evaluate one expression.
Return result value and #chars read.
{
SCM str = gh_str02scm ((char*)s);
SCM port = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG,
- "scm_eval_0str");
+ "ly_eval_scm_0str");
SCM from = scm_ftell (port);
SCM form;
/* Read expression from port */
if (!SCM_EOF_OBJECT_P (form = scm_read (port)))
- answer = scm_eval_x (form);
+ answer = scm_eval_3 (form, 1, SCM_EOL); // guh?
/*
After parsing
return answer;
}
-/*
- scm_m_quote doesn't use any env, but needs one for a good signature in GUILE.
-*/
SCM
ly_quote_scm (SCM s)
{
return gh_symbol2scm ((char *)s);
}
+
String
ly_symbol2string (SCM s)
{
+ assert (gh_symbol_p (s));
return String((Byte*)SCM_CHARS (s), (int) SCM_LENGTH(s));
}
-/**
- 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)
+String
+gulp_file_to_string (String fn)
{
String s = global_path.find (fn);
if (s == "")
{
- String e = _f ("Can't find file: `%s'", fn);
+ String e = _f ("can't find file: `%s'", fn);
e += " ";
e += _f ("(load path: `%s')", global_path.str ());
error (e);
}
- else
- *mlog << '[' << s;
+ else if (verbose_global_b)
+ progress_indication ("[" + s );
Simple_file_storage f(s);
-
- ly_eval_str ((char *) f.ch_C());
- *mlog << "]" << flush;
+ String result (f.ch_C());
+ if (verbose_global_b)
+ progress_indication ("]");
+ return result;
}
-
SCM
-ly_gulp_file (SCM name)
+ly_gulp_file (SCM fn)
{
- String fn (ly_scm2string (name));
- 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;
+ return ly_str02scm (gulp_file_to_string (ly_scm2string (fn)).ch_C());
+}
- Simple_file_storage f(s);
- SCM result = ly_str02scm (f.ch_C());
- *mlog << "]";
- return result;
+/**
+ 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)
+{
+ gh_eval_str ((char *) gulp_file_to_string (fn).ch_C());
}
+extern "C" {
+ // maybe gdb 5.0 becomes quicker if it doesn't do fancy C++ typing?
void
ly_display_scm (SCM s)
{
gh_display (s);
gh_newline ();
}
+};
String
ly_scm2string (SCM s)
{
+ assert (gh_string_p (s));
int len;
char * p = gh_scm2newstr (s , &len);
}
-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);
- scm_make_gsubr ("dir?", 1,0, 0, (SCM(*)(...))ly_isdir_p);
-}
-
-ADD_SCM_INIT_FUNC(funcs, init_functions);
-
typedef void (*Void_fptr)();
Array<Void_fptr> *scm_init_funcs_;
return (Direction) gh_scm2int (s);
}
+Interval
+ly_scm2interval (SCM p)
+{
+ return Interval (gh_scm2double (gh_car (p)),
+ gh_scm2double (gh_cdr (p)));
+}
SCM
-to_scm (int i)
+ly_interval2scm (Interval i)
{
- return gh_int2scm (i);
+ return gh_cons (gh_double2scm (i[LEFT]),
+ gh_double2scm (i[RIGHT]));
}
-void
-scm_to (SCM s, int* i)
+
+bool
+to_boolean (SCM s)
{
- // urg
- *i = gh_number_p (s) ? gh_scm2int (s) : 0;
+ return gh_boolean_p (s) && gh_scm2bool (s);
}
+/*
+ Appendable list L: the cdr contains the list, the car the last cons
+ in the list.
+ */
SCM
-to_scm (Real r)
+appendable_list ()
{
- return gh_double2scm (r);
+ SCM s = gh_cons (SCM_EOL, SCM_EOL);
+ gh_set_car_x (s, s);
+
+ return s;
}
void
-scm_to (SCM s, Real* r)
+appendable_list_append (SCM l, SCM elt)
{
- // urg
- *r = gh_number_p (s) ? gh_scm2double (s) : 0;
+ SCM newcons = gh_cons (elt, SCM_EOL);
+
+ gh_set_cdr_x (gh_car (l), newcons);
+ gh_set_car_x (l, newcons);
+}
+
+
+SCM
+ly_offset2scm (Offset o)
+{
+ return gh_cons (gh_double2scm (o[X_AXIS]), gh_double2scm(o[Y_AXIS]));
+}
+
+Offset
+ly_scm2offset (SCM s)
+{
+ return Offset (gh_scm2double (gh_car (s)),
+ gh_scm2double (gh_cdr (s)));
+}
+
+SCM
+ly_type (SCM exp)
+{
+ char const * cp = "unknown";
+ if (gh_number_p (exp))
+ {
+ cp = "number";
+ }
+ else if (gh_string_p (exp))
+ {
+ cp = "string";
+ }
+ else if (gh_procedure_p (exp))
+ {
+ cp = "procedure";
+ }
+ else if (gh_boolean_p (exp))
+ {
+ cp = "boolean";
+ }
+ else if (gh_pair_p (exp))
+ {
+ cp = "list";
+ }
+
+ return ly_str02scm (cp);
+}
+
+/*
+ convert without too many decimals, and leave a space at the end.
+ */
+
+
+SCM
+ly_number2string (SCM s)
+{
+ assert (gh_number_p (s));
+
+ char str[400]; // ugh.
+
+ if (scm_integer_p (s) == SCM_BOOL_F)
+ {
+ Real r (gh_scm2double (s));
+
+ if (isinf (r) || isnan (r))
+ {
+ programming_error ("Infinity or NaN encountered while converting Real number; setting to zero.");
+ r = 0.0;
+ }
+
+ sprintf (str, "%8.4f ", r);
+ }
+ else
+ {
+ sprintf (str, "%d ", gh_scm2int (s));
+ }
+
+ return gh_str02scm (str);
+}
+
+/*
+ Undef this to see if GUILE GC is causing too many swaps.
+ */
+
+// #define TEST_GC
+
+#ifdef TEST_GC
+#include <libguile/gc.h>
+
+static void *
+greet_sweep (void *dummy1, void *dummy2, void *dummy3)
+{
+ fprintf(stderr, "entering sweep\n");
+}
+
+static void *
+wave_sweep_goodbye (void *dummy1, void *dummy2, void *dummy3)
+{
+ fprintf(stderr, "leaving sweep\n");
+}
+#endif
+
+SCM
+undefd ()
+{
+ return SCM_UNDEFINED;
+}
+
+#include "version.hh"
+SCM
+ly_version ()
+{
+ char const* vs = "\'(" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")" ;
+
+
+ return gh_eval_str ((char*)vs);
+}
+
+static void
+init_functions ()
+{
+ scm_make_gsubr ("ly-warn", 1, 0, 0, (Scheme_function_unknown)ly_warning);
+ scm_make_gsubr ("ly-version", 0, 0, 0, (Scheme_function_unknown)ly_warning);
+ scm_make_gsubr ("ly-gulp-file", 1,0, 0, (Scheme_function_unknown)ly_gulp_file);
+ scm_make_gsubr ("dir?", 1,0, 0, (Scheme_function_unknown)ly_isdir_p);
+ scm_make_gsubr ("undefd", 0,0, 0, (Scheme_function_unknown)undefd);
+ scm_make_gsubr ("ly-number->string", 1, 0,0, (Scheme_function_unknown) ly_number2string);
+
+
+#ifdef TEST_GC
+ scm_c_hook_add (&scm_before_mark_c_hook, greet_sweep, 0, 0);
+ scm_c_hook_add (&scm_before_sweep_c_hook, wave_sweep_goodbye, 0, 0);
+#endif
+}
+
+ADD_SCM_INIT_FUNC(funcs, init_functions);
+
+SCM
+ly_deep_copy (SCM l)
+{
+ if (gh_pair_p (l))
+ {
+ return gh_cons (ly_deep_copy (gh_car (l)), ly_deep_copy (gh_cdr (l)));
+ }
+ else
+ return l;
+}
+
+
+
+
+SCM
+ly_assoc_chain (SCM key, SCM achain)
+{
+ if (gh_pair_p (achain))
+ {
+ SCM handle = scm_assoc (key, gh_car (achain));
+ if (gh_pair_p (handle))
+ return handle;
+ else
+ return ly_assoc_chain (key, gh_cdr (achain));
+ }
+ else
+ return SCM_BOOL_F;
}
projects / lilypond.git / blobdiff