source file of the GNU LilyPond music typesetter
- (c) 1998--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <stdio.h>
#include <stdlib.h>
-#include <math.h> // isinf
-
+#include <math.h> /* isinf */
+#include <string.h> /* strdup, strchr */
#include "libc-extension.hh"
#include "lily-guile.hh"
#include "main.hh"
#include "debug.hh"
#include "direction.hh"
#include "offset.hh"
+#include "interval.hh"
+#include "pitch.hh"
+
+SCM
+ly_last (SCM list)
+{
+ return ly_car (scm_last_pair (list));
+}
SCM
ly_str02scm (char const*c)
return gh_str02scm ((char*)c);
}
+
SCM
-ly_eval_str (String s)
+ly_write2scm (SCM s)
{
- // this all really sucks, guile should take char const* arguments!
- return gh_eval_str ((char*)s.ch_C ());
+ SCM port = scm_mkstrport (SCM_INUM0,
+ scm_make_string (SCM_INUM0, SCM_UNDEFINED),
+ SCM_OPN | SCM_WRTNG,
+ "ly_write2string");
+ // SCM write = scm_eval_3 (ly_symbol2scm ("write"), s, SCM_EOL);
+ SCM write = scm_primitive_eval (ly_symbol2scm ("write"));
+
+ // scm_apply (write, port, SCM_EOL);
+ gh_call2 (write, s, port);
+ return scm_strport_to_string (port);
}
-
+
/*
Pass string to scm parser, evaluate one expression.
Return result value and #chars read.
SCM
ly_parse_scm (char const* s, int* n)
{
- SCM str = gh_str02scm ((char*)s);
+ SCM str = ly_str02scm (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_primitive_eval (form);
+
/*
After parsing
- (begin (foo 1 2))
+ (begin (foo 1 2))
all seems fine, but after parsing
- (foo 1 2)
+ (foo 1 2)
read_buf has been advanced to read_pos - 1,
so that scm_ftell returns 1, instead of #parsed chars
SCM
ly_quote_scm (SCM s)
{
- return gh_list (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
+ return scm_list_n (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
}
-SCM
-ly_symbol2scm(const char *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));
+ return String ((Byte*)SCM_STRING_CHARS (s), (int) SCM_STRING_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 == "")
e += _f ("(load path: `%s')", global_path.str ());
error (e);
}
- else
+ else if (verbose_global_b)
progress_indication ("[" + s);
- Simple_file_storage f(s);
-
- ly_eval_str ((char *) f.ch_C());
- progress_indication ("]");
+ Simple_file_storage f (s);
+ 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
- progress_indication ("[" + 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());
- progress_indication ("]");
- 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);
+
+ size_t len;
+ char *p = gh_scm2newstr (s , &len);
String r (p);
index_cell (SCM s, Direction d)
{
assert (d);
- return (d == LEFT) ? gh_car (s) : gh_cdr (s);
+ return (d == LEFT) ? ly_car (s) : ly_cdr (s);
}
SCM
return SCM_BOOL_F;
}
+bool
+ly_number_pair_p (SCM p)
+{
+ return gh_pair_p (p) && gh_number_p (ly_car (p)) && gh_number_p (ly_cdr (p));
+}
+bool
+ly_axis_p (SCM a)
+{
+ return gh_number_p (a) && (gh_scm2int (a) == 0 || gh_scm2int (a) == 1);
+}
-typedef void (*Void_fptr)();
+typedef void (*Void_fptr) ();
Array<Void_fptr> *scm_init_funcs_;
-void add_scm_init_func (void (*f)())
+void add_scm_init_func (void (*f) ())
{
if (!scm_init_funcs_)
scm_init_funcs_ = new Array<Void_fptr>;
scm_init_funcs_->push (f);
}
+extern void init_cxx_function_smobs ();
+
void
-init_lily_guile ()
+prepend_load_path (String p )
{
- for (int i=scm_init_funcs_->size() ; i--;)
+ char s[1024];
+ sprintf (s,
+ "(set! %%load-path (cons \"%s\" %%load-path))", p.ch_C());
+
+ scm_c_eval_string (s);
+}
+
+void
+init_lily_guile (String p )
+{
+ prepend_load_path (p);
+
+ // todo: junk this. We should make real modules iso. just loading files.
+ prepend_load_path (p + "/scm/");
+
+ SCM last_mod = scm_current_module ();
+ scm_set_current_module (scm_c_resolve_module ("guile"));
+
+ init_cxx_function_smobs ();
+ for (int i=scm_init_funcs_->size () ; i--;)
(scm_init_funcs_->elem (i)) ();
+
+ if (verbose_global_b)
+ progress_indication ("\n");
+ read_lily_scm_file ("lily.scm");
+
+ scm_set_current_module (last_mod);
}
unsigned int ly_scm_hash (SCM s)
return false;
}
-Direction
-to_dir (SCM s)
+
+bool
+isaxis_b (SCM s)
{
- return (Direction) gh_scm2int (s);
+ if (gh_number_p (s))
+ {
+ int i = gh_scm2int (s);
+ return i== 0 || i == 1;
+ }
+ return false;
}
-SCM
-to_scm (int i)
+Direction
+to_dir (SCM s)
{
- return gh_int2scm (i);
+ return (Direction) gh_scm2int (s);
}
-/*
- UGR. junkme.
- */
-int
-scm_to (SCM s, int* )
+Interval
+ly_scm2interval (SCM p)
{
- return gh_number_p (s) ? gh_scm2int (s) : 0;
+ return Interval (gh_scm2double (ly_car (p)),
+ gh_scm2double (ly_cdr (p)));
}
SCM
-to_scm (Real r)
+ly_interval2scm (Interval i)
{
- return gh_double2scm (r);
+ return gh_cons (gh_double2scm (i[LEFT]),
+ gh_double2scm (i[RIGHT]));
}
-Real
-scm_to (SCM s, Real* )
-{
- return gh_number_p (s) ? gh_scm2double (s) : 0;
-}
+
+
bool
to_boolean (SCM s)
{
SCM newcons = gh_cons (elt, SCM_EOL);
- gh_set_cdr_x (gh_car (l), newcons);
+ gh_set_cdr_x (ly_car (l), newcons);
gh_set_car_x (l, newcons);
}
SCM
-to_scm (Offset o)
+ly_offset2scm (Offset o)
{
- return gh_cons (gh_double2scm (o[X_AXIS]), gh_double2scm(o[Y_AXIS]));
+ return gh_cons (gh_double2scm (o[X_AXIS]), gh_double2scm (o[Y_AXIS]));
}
Offset
-scm_to (SCM s, Offset*)
+ly_scm2offset (SCM s)
{
- return Offset (gh_scm2double (gh_car (s)),
- gh_scm2double (gh_cdr (s)));
+ return Offset (gh_scm2double (ly_car (s)),
+ gh_scm2double (ly_cdr (s)));
}
SCM
{
assert (gh_number_p (s));
- char str[100]; // ugh.
+ char str[400]; // ugh.
- if (scm_integer_p (s))
+ if (scm_exact_p (s) == SCM_BOOL_F)
{
Real r (gh_scm2double (s));
sprintf (str, "%d ", gh_scm2int (s));
}
- return gh_str02scm (str);
+ return ly_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
+
+
+#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, (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);
- scm_make_gsubr ("ly-number->string", 1, 0,0, (SCM(*)(...)) ly_number2string);
+ scm_c_define_gsubr ("ly-warn", 1, 0, 0,
+ (Scheme_function_unknown)ly_warning);
+ scm_c_define_gsubr ("ly-version", 0, 0, 0,
+ (Scheme_function_unknown)ly_version);
+ scm_c_define_gsubr ("ly-gulp-file", 1,0, 0,
+ (Scheme_function_unknown)ly_gulp_file);
+ scm_c_define_gsubr ("dir?", 1,0, 0, (Scheme_function_unknown)ly_isdir_p);
+ scm_c_define_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 (ly_car (l)), ly_deep_copy (ly_cdr (l)));
+ }
+ else
+ return l;
+}
+
+
+
+
+SCM
+ly_assoc_chain (SCM key, SCM achain)
+{
+ if (gh_pair_p (achain))
+ {
+ SCM handle = scm_assoc (key, ly_car (achain));
+ if (gh_pair_p (handle))
+ return handle;
+ else
+ return ly_assoc_chain (key, ly_cdr (achain));
+ }
+ else
+ return SCM_BOOL_F;
+}
+
+/* looks the key up in the cdrs of the alist-keys
+ - ignoring the car and ignoring non-pair keys.
+ Returns first match found, i.e.
+
+ alist = ((1 . 10)
+ ((1 . 2) . 11)
+ ((2 . 1) . 12)
+ ((3 . 0) . 13)
+ ((4 . 1) . 14) )
+
+I would like (ly_assoc_cdr 1) to return 12 - because it's the first
+element with the cdr of the key = 1. In other words (alloc_cdr key)
+corresponds to call
+
+(alloc (anything . key))
+
+
+
+*/
+SCM
+ly_assoc_cdr (SCM key, SCM alist)
+{
+ if (gh_pair_p (alist)) {
+ SCM trykey = ly_caar(alist);
+ if(gh_pair_p(trykey) && to_boolean(scm_equal_p(key,ly_cdr(trykey))))
+ return ly_car(alist);
+ else
+ return ly_assoc_cdr (key, ly_cdr (alist));
+ }
+ else
+ return SCM_BOOL_F;
+}
+
+/*
+ LIST has the form "sym1 sym2 sym3"
+ */
+SCM
+parse_symbol_list (const char * list)
+{
+ char * s = strdup (list);
+ char *orig = s;
+ SCM create_list = SCM_EOL;
+ if (!s[0] )
+ s = 0;
+
+ while (s)
+ {
+ char *next = strchr (s, ' ');
+ if (next)
+ *next++ = 0;
+
+ create_list = gh_cons (ly_symbol2scm (s), create_list);
+ s = next;
+ }
+
+ free (orig);
+ return create_list;
+}
+
+
+SCM
+ly_truncate_list (int k, SCM l )
+{
+ if (k == 0)
+ {
+ l = SCM_EOL;
+ }
+ else
+ {
+ SCM s = l;
+ k--;
+ for (; gh_pair_p (s) && k--; s = ly_cdr (s))
+ ;
+
+ if (gh_pair_p (s))
+ {
+ gh_set_cdr_x (s, SCM_EOL);
+ }
+ }
+ return l;
}
-ADD_SCM_INIT_FUNC(funcs, init_functions);
+SCM my_gh_symbol2scm (const char* x)
+{
+ return gh_symbol2scm ((char*)x);
+}
projects / lilypond.git / blobdiff