source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+ (c) 1998--2003 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 "lily-proto.hh"
+
+/* macosx fix:
+
+
+ source-file.hh includes cmath which undefines isinf and isnan
+*/
+inline int my_isinf(Real r) { return isinf(r); }
+inline int my_isnan(Real r) { return isnan(r); }
+
+
#include "libc-extension.hh"
#include "lily-guile.hh"
#include "main.hh"
-#include "simple-file-storage.hh"
#include "file-path.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "direction.hh"
#include "offset.hh"
#include "interval.hh"
+#include "pitch.hh"
+#include "dimensions.hh"
+#include "source-file.hh"
-SCM
-ly_last (SCM list)
-{
- return gh_car (scm_last_pair (list));
-}
+// #define TEST_GC
SCM
-ly_str02scm (char const*c)
+ly_last (SCM list)
{
- // this all really sucks, guile should take char const* arguments!
- return gh_str02scm ((char*)c);
+ return ly_car (scm_last_pair (list));
}
SCM_OPN | SCM_WRTNG,
"ly_write2string");
// SCM write = scm_eval_3 (ly_symbol2scm ("write"), s, SCM_EOL);
- SCM write = scm_eval2 (ly_symbol2scm ("write"), SCM_EOL);
+ SCM write = scm_primitive_eval (ly_symbol2scm ("write"));
// scm_apply (write, port, SCM_EOL);
gh_call2 (write, s, port);
}
-/*
- Pass string to scm parser, evaluate one expression.
- Return result value and #chars read.
-
- Thanks to Gary Houston <ghouston@freewire.co.uk>
-
- Need guile-1.3.4 (>1.3 anyway) for ftell on str ports -- jcn
-*/
-SCM
-ly_parse_scm (char const* s, int* n)
-{
- SCM str = ly_str02scm (s);
- SCM port = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG,
- "ly_eval_scm_0str");
- SCM from = scm_ftell (port);
-
- SCM form;
- SCM answer = SCM_UNSPECIFIED;
-
- /* Read expression from port */
- if (!SCM_EOF_OBJECT_P (form = scm_read (port)))
- answer = scm_eval_3 (form, 1, SCM_EOL); // guh?
-
- /*
- After parsing
-
- (begin (foo 1 2))
-
- all seems fine, but after parsing
-
- (foo 1 2)
-
- read_buf has been advanced to read_pos - 1,
- so that scm_ftell returns 1, instead of #parsed chars
- */
-
- /*
- urg: reset read_buf for scm_ftell
- shouldn't scm_read () do this for us?
- */
- scm_fill_input (port);
- SCM to = scm_ftell (port);
- *n = gh_scm2int (to) - gh_scm2int (from);
-
- /* Don't close the port here; if we re-enter this function via a
- continuation, then the next time we enter it, we'll get an error.
- It's a string port anyway, so there's no advantage to closing it
- early.
-
- scm_close_port (port);
- */
-
- return answer;
-}
-
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));
}
-
String
gulp_file_to_string (String fn)
{
{
String e = _f ("can't find file: `%s'", fn);
e += " ";
- e += _f ("(load path: `%s')", global_path.str ());
+ e += _f ("(load path: `%s')", global_path.to_string ());
error (e);
}
else if (verbose_global_b)
progress_indication ("[" + s);
-
- Simple_file_storage f (s);
- String result (f.ch_C ());
+ int n;
+ char * str = gulp_file (s, &n);
+ String result (str);
+ delete[] str;
+
if (verbose_global_b)
progress_indication ("]");
+
return result;
}
-SCM
-ly_gulp_file (SCM fn)
+LY_DEFINE(ly_gulp_file, "ly:gulp-file", 1,0, 0,
+ (SCM name),
+ "Read the file named @var{name}, and return its contents in a string. The "
+" file is looked up using the lilypond search path.")
{
- return ly_str02scm (gulp_file_to_string (ly_scm2string (fn)).ch_C ());
+ return scm_makfrom0str (gulp_file_to_string (ly_scm2string (name)).to_str0 ());
}
-/**
- 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_scm2string (SCM s)
{
assert (gh_string_p (s));
- int len;
- char * p = gh_scm2newstr (s , &len);
-
- String r (p);
- free (p);
+ char *p = SCM_STRING_CHARS(s);
+ String r (p);
return r;
}
SCM
-index_cell (SCM s, Direction d)
+index_get_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 s;
}
-SCM
-ly_warning (SCM str)
+LY_DEFINE(ly_warning,"ly:warn", 1, 0, 0,
+ (SCM str),"Scheme callable function to issue the warning @code{msg}.")
{
- assert (gh_string_p (str));
+ SCM_ASSERT_TYPE (gh_string_p (str), str, SCM_ARG1, __FUNCTION__, "string");
warning ("lily-guile: " + ly_scm2string (str));
return SCM_BOOL_T;
}
-SCM
-ly_isdir_p (SCM s)
+LY_DEFINE(ly_dir_p, "ly:dir?", 1,0, 0, (SCM s),
+ "type predicate. A direction is a -1, 0 or 1, where -1 represents "
+ "left or down and 1 represents right or up. ")
{
if (gh_number_p (s))
{
return SCM_BOOL_F;
}
-
+bool
+is_number_pair (SCM p)
+{
+ return gh_pair_p (p) && gh_number_p (ly_car (p)) && gh_number_p (ly_cdr (p));
+}
typedef void (*Void_fptr) ();
Array<Void_fptr> *scm_init_funcs_;
scm_init_funcs_->push (f);
}
-extern void init_cxx_function_smobs ();
+
void
-init_lily_guile ()
+ly_init_ly_module (void *data)
{
- init_cxx_function_smobs ();
for (int i=scm_init_funcs_->size () ; i--;)
- (scm_init_funcs_->elem (i)) ();
+ (scm_init_funcs_->elem (i)) ();
+
+ if (verbose_global_b)
+ progress_indication ("\n");
+
+ scm_primitive_load_path (scm_makfrom0str ("lily.scm"));
+}
+
+
+SCM lily_module ;
+
+void
+ly_init_guile ()
+{
+ lily_module = scm_c_define_module ("lily", ly_init_ly_module, 0);
+ scm_c_use_module ("lily");
}
unsigned int ly_scm_hash (SCM s)
bool
-isdir_b (SCM s)
+is_direction (SCM s)
{
if (gh_number_p (s))
{
bool
-isaxis_b (SCM s)
+is_axis (SCM s)
{
if (gh_number_p (s))
{
Direction
to_dir (SCM s)
{
- return (Direction) gh_scm2int (s);
+ return SCM_INUMP (s) ? (Direction) gh_scm2int (s) : CENTER;
}
Interval
ly_scm2interval (SCM p)
{
- return Interval (gh_scm2double (gh_car (p)),
- gh_scm2double (gh_cdr (p)));
+ return Interval (gh_scm2double (ly_car (p)),
+ gh_scm2double (ly_cdr (p)));
}
SCM
-ly_interval2scm (Interval i)
+ly_interval2scm (Drul_array<Real> i)
{
return gh_cons (gh_double2scm (i[LEFT]),
gh_double2scm (i[RIGHT]));
{
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);
}
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
-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)
+LY_DEFINE(ly_number2string, "ly:number->string", 1, 0,0,
+ (SCM s),
+ " converts @var{num} to a string without generating many decimals. It "
+"leaves a space at the end.")
{
- assert (gh_number_p (s));
+ SCM_ASSERT_TYPE (gh_number_p (s), s, SCM_ARG1, __FUNCTION__, "number");
char str[400]; // ugh.
- if (scm_integer_p (s) == SCM_BOOL_F)
+ if (scm_exact_p (s) == SCM_BOOL_F)
{
Real r (gh_scm2double (s));
- if (isinf (r) || isnan (r))
+ if (my_isinf (r) || my_isnan (r))
{
programming_error ("Infinity or NaN encountered while converting Real number; setting to zero.");
r = 0.0;
sprintf (str, "%d ", gh_scm2int (s));
}
- return ly_str02scm (str);
+ return scm_makfrom0str (str);
}
/*
Undef this to see if GUILE GC is causing too many swaps.
*/
-// #define TEST_GC
+//#define TEST_GC
#ifdef TEST_GC
#include <libguile/gc.h>
#include "version.hh"
-SCM
-ly_version ()
+LY_DEFINE(ly_version, "ly:version", 0, 0, 0, (),
+ "Return the current lilypond version as a list, e.g. @code{(1 3 127 uu1)}. ")
{
- char const* vs = "\' (" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")" ;
-
+ char const* vs = "\'(" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")" ;
return gh_eval_str ((char*)vs);
}
-static void
-init_functions ()
+LY_DEFINE(ly_unit, "ly:unit", 0, 0, 0, (),
+ "Return the unit used for lengths as a string.")
{
- 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_version);
- 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);
+ return scm_makfrom0str (INTERNAL_UNIT);
+}
+
- scm_make_gsubr ("ly-number->string", 1, 0,0, (Scheme_function_unknown) ly_number2string);
+LY_DEFINE(ly_dimension_p, "ly:dimension?", 1, 0, 0, (SCM d),
+ "Return @var{d} is a number. Used to distinguish length "
+ "variables from normal numbers.")
+{
+ return scm_number_p (d);
+}
+static void
+init_functions ()
+{
#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);
ADD_SCM_INIT_FUNC (funcs, init_functions);
SCM
-ly_deep_copy (SCM l)
+ly_deep_copy (SCM src)
{
- if (gh_pair_p (l))
+ if (gh_pair_p (src))
{
- return gh_cons (ly_deep_copy (gh_car (l)), ly_deep_copy (gh_cdr (l)));
+ return gh_cons (ly_deep_copy (ly_car (src)), ly_deep_copy (ly_cdr (src)));
+ }
+ else if (gh_vector_p (src))
+ {
+ int l = SCM_VECTOR_LENGTH (src);
+ SCM nv = scm_c_make_vector (l, SCM_UNDEFINED);
+ for (int i =0 ; i< l ; i++)
+ {
+ SCM si = gh_int2scm (i);
+ scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
+ }
}
else
- return l;
+ return src;
+
+ return src;
}
{
if (gh_pair_p (achain))
{
- SCM handle = scm_assoc (key, gh_car (achain));
+ SCM handle = scm_assoc (key, ly_car (achain));
if (gh_pair_p (handle))
return handle;
else
- return ly_assoc_chain (key, gh_cdr (achain));
+ 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\nsym4\nsym5"
+
+ i.e. \n and ' ' can be used interchangeably as separators.
+ */
+SCM
+parse_symbol_list (const char * list)
+{
+ char * s = strdup (list);
+ char *orig = s;
+ SCM create_list = SCM_EOL;
+
+ for (char * p = s; *p; p++)
+ {
+ if (*p == '\n')
+ *p = ' ' ;
+ }
+
+ 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;
+}
+
+
+String
+print_scm_val (SCM val)
+{
+ String realval = ly_scm2string (ly_write2scm (val));
+ if (realval.length () > 200)
+ realval = realval.left_string (100) + "\n :\n :\n" + realval.right_string (100);
+
+ return realval;
+}
+
+bool
+type_check_assignment (SCM sym, SCM val, SCM type_symbol)
+{
+ bool ok = true;
+
+ /*
+ Always succeeds.
+
+
+ TODO: should remove #f from allowed vals?
+ */
+ if (val == SCM_EOL || val == SCM_BOOL_F)
+ return ok;
+
+ if (!gh_symbol_p (sym))
+#if 0
+ return false;
+#else
+ /*
+ This is used for autoBeamSettings.
+
+ TODO: deprecate the use of \override and \revert for
+ autoBeamSettings?
+ */
+ return true;
+#endif
+
+ SCM type = scm_object_property (sym, type_symbol);
+
+ if (type != SCM_EOL && !gh_procedure_p (type))
+ {
+ warning (_f ("Can't find property type-check for `%s' (%s).",
+ ly_symbol2string (sym).to_str0 (),
+ ly_symbol2string (type_symbol).to_str0 ())
+ + " " + _ ("Perhaps you made a typing error?"));
+
+ /* Be strict when being anal :) */
+ if (internal_type_checking_global_b)
+ abort ();
+
+ warning (_ ("Doing assignment anyway."));
+ }
+ else
+ {
+ if (val != SCM_EOL
+ && gh_procedure_p (type)
+ && gh_call1 (type, val) == SCM_BOOL_F)
+ {
+ SCM errport = scm_current_error_port ();
+ ok = false;
+ SCM typefunc = scm_primitive_eval (ly_symbol2scm ("type-name"));
+ SCM type_name = gh_call1 (typefunc, type);
+
+
+ scm_puts (_f ("Type check for `%s' failed; value `%s' must be of type `%s'",
+ ly_symbol2string (sym).to_str0 (),
+ print_scm_val (val),
+ ly_scm2string (type_name).to_str0 ()).to_str0 (),
+ errport);
+ scm_puts ("\n", errport);
+ }
+ }
+ return ok;
+}
+
+
+/* some SCM abbrevs
+
+ zijn deze nou handig?
+ zijn ze er al in scheme, maar heten ze anders? */
+
+
+/* Remove doubles from (sorted) list */
+SCM
+ly_unique (SCM list)
+{
+ SCM unique = SCM_EOL;
+ for (SCM i = list; gh_pair_p (i); i = ly_cdr (i))
+ {
+ if (!gh_pair_p (ly_cdr (i))
+ || !gh_equal_p (ly_car (i), ly_cadr (i)))
+ unique = gh_cons (ly_car (i), unique);
+ }
+ return scm_reverse_x (unique, SCM_EOL);
+}
+
+/* tail add */
+SCM
+ly_snoc (SCM s, SCM list)
+{
+ return gh_append2 (list, scm_list_n (s, SCM_UNDEFINED));
+}
+
+
+/* Split list at member s, removing s.
+ Return (BEFORE . AFTER) */
+SCM
+ly_split_list (SCM s, SCM list)
+{
+ SCM before = SCM_EOL;
+ SCM after = list;
+ for (; gh_pair_p (after);)
+ {
+ SCM i = ly_car (after);
+ after = ly_cdr (after);
+ if (gh_equal_p (i, s))
+ break;
+ before = gh_cons (i, before);
+ }
+ return gh_cons ( scm_reverse_x (before, SCM_EOL), after);
+
+}
+
+
+void
+taint (SCM *)
+{
+ /*
+ nop.
+ */
+}
+
+/*
+ display stuff without using stack
+ */
+SCM
+display_list (SCM s)
+{
+ SCM p = scm_current_output_port();
+
+ scm_puts ("(", p);
+ for (; gh_pair_p(s); s =gh_cdr(s))
+ {
+ scm_display (gh_car(s), p);
+ scm_puts (" ", p);
+ }
+ scm_puts (")", p);
+ return SCM_UNSPECIFIED;
+}
+
+Slice
+int_list_to_slice (SCM l)
+{
+ Slice s;
+ s.set_empty ();
+ for (; gh_pair_p (l); l = gh_cdr (l))
+ {
+ if (gh_number_p (gh_car (l)))
+ s.add_point (gh_scm2int (gh_car (l)));
+ }
+
+ return s;
+}
+
+
+
+
+/*
+ Return I-th element, or last elt L. If I < 0, then we take the first
+ element.
+
+ PRE: length (L) > 0
+ */
+SCM
+robust_list_ref(int i, SCM l)
+{
+ while (i-- > 0 && gh_pair_p (gh_cdr(l)))
+ l = gh_cdr (l);
+
+ return gh_car(l);
+}
+
projects / lilypond.git / blobdiff