/*
- lily-guile.cc -- implement assorted guile functions
+ lily-guile.cc -- implement assorted SCM interface functions
source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
-
- Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
+#include "lily-guile.hh"
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring> /* strdup, strchr */
+#include <cctype>
+
+using namespace std;
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h> /* isinf */
-#include <string.h> /* strdup, strchr */
+#include "config.hh"
+
+#include "dimensions.hh"
+#include "direction.hh"
+#include "file-path.hh"
+#include "international.hh"
#include "libc-extension.hh"
-#include "lily-guile.hh"
#include "main.hh"
-#include "simple-file-storage.hh"
-#include "file-path.hh"
-#include "debug.hh"
-#include "direction.hh"
+#include "misc.hh"
#include "offset.hh"
-#include "interval.hh"
+#include "pitch.hh"
+#include "string-convert.hh"
+#include "source-file.hh"
+#include "version.hh"
+#include "warn.hh"
+
+// #define TEST_GC
SCM
-ly_last (SCM list)
+ly_to_symbol (SCM scm)
{
- return ly_car (scm_last_pair (list));
+ return scm_string_to_symbol (ly_to_string (scm));
}
SCM
-ly_str02scm (char const*c)
+ly_to_string (SCM scm)
{
- // this all really sucks, guile should take char const* arguments!
- return gh_str02scm ((char*)c);
+ return scm_call_3 (ly_lily_module_constant ("format"), SCM_BOOL_F,
+
+ scm_makfrom0str ("~S"), scm);
}
+SCM
+ly_last (SCM list)
+{
+ return scm_car (scm_last_pair (list));
+}
SCM
ly_write2scm (SCM s)
{
- SCM port = scm_mkstrport (SCM_INUM0,
+ 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);
+ scm_call_2 (write, s, port);
return scm_strport_to_string (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_primitive_eval (form);
-
- /*
- 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 scm_list_n (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
}
-
-
-String
+string
ly_symbol2string (SCM s)
{
- assert (gh_symbol_p (s));
- return String ((Byte*)SCM_STRING_CHARS (s), (int) SCM_STRING_LENGTH (s));
+ /*
+ Ugh. this is not very efficient.
+ */
+ SCM str = scm_symbol_to_string (s);
+ return ly_scm2string (str);
}
-
-String
-gulp_file_to_string (String fn)
+string
+gulp_file_to_string (string fn, bool must_exist, int size)
{
- String s = global_path.find (fn);
+ 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);
+ if (must_exist)
+ {
+ string e = _f ("can't find file: `%s'", fn);
+ e += " ";
+ e += _f ("(load path: `%s')", global_path.to_string ());
+ error (e);
+ /* unreachable */
+ }
+ return s;
}
- else if (verbose_global_b)
+
+ if (be_verbose_global)
progress_indication ("[" + s);
+ int n = size;
+ char *str = gulp_file (s, &n);
+ string result (str, n);
+ delete[] str;
- Simple_file_storage f (s);
- String result (f.ch_C ());
- if (verbose_global_b)
+ if (be_verbose_global)
progress_indication ("]");
- return result;
-}
-SCM
-ly_gulp_file (SCM fn)
-{
- return ly_str02scm (gulp_file_to_string (ly_scm2string (fn)).ch_C ());
-}
-
-
-/**
- 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 ());
+ return result;
}
extern "C" {
// maybe gdb 5.0 becomes quicker if it doesn't do fancy C++ typing?
-void
-ly_display_scm (SCM s)
+ void
+ ly_display_scm (SCM s)
+ {
+ scm_display (s, scm_current_output_port ());
+ scm_newline (scm_current_output_port ());
+ }
+};
+
+string
+ly_scm2string (SCM str)
{
- gh_display (s);
- gh_newline ();
+ assert (scm_is_string (str));
+ return string (scm_i_string_chars (str),
+ (int) scm_i_string_length (str));
}
-};
-String
-ly_scm2string (SCM s)
+char *
+ly_scm2newstr (SCM str, size_t *lenp)
{
- assert (gh_string_p (s));
+ SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "string");
+
+ size_t len = scm_i_string_length (str);
+ if (char *new_str = (char *) malloc ((len + 1) * sizeof (char)))
+ {
+ memcpy (new_str, scm_i_string_chars (str), len);
+ new_str[len] = '\0';
- size_t len;
- char *p = gh_scm2newstr (s , &len);
-
- String r (p);
+ if (lenp)
+ *lenp = len;
- free (p);
- return r;
+ return new_str;
+ }
+ return 0;
}
SCM
-index_cell (SCM s, Direction d)
+index_get_cell (SCM s, Direction d)
{
+
assert (d);
- return (d == LEFT) ? ly_car (s) : ly_cdr (s);
+ return (d == LEFT) ? scm_car (s) : scm_cdr (s);
}
SCM
index_set_cell (SCM s, Direction d, SCM v)
{
if (d == LEFT)
- gh_set_car_x (s, v);
+ scm_set_car_x (s, v);
else if (d == RIGHT)
- gh_set_cdr_x (s, v);
+ scm_set_cdr_x (s, v);
return s;
}
-
-SCM
-ly_warning (SCM str)
-{
- assert (gh_string_p (str));
- warning ("lily-guile: " + ly_scm2string (str));
- return SCM_BOOL_T;
-}
-
-SCM
-ly_isdir_p (SCM s)
-{
- if (gh_number_p (s))
- {
- int i = gh_scm2int (s);
- return (i>= -1 && i <= 1) ? SCM_BOOL_T : SCM_BOOL_F;
- }
- 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)
+is_number_pair (SCM p)
{
- return gh_number_p (a) && (gh_scm2int (a) == 0 || gh_scm2int (a) == 1);
+ return scm_is_pair (p)
+ && scm_is_number (scm_car (p)) && scm_is_number (scm_cdr (p));
}
typedef void (*Void_fptr) ();
-Array<Void_fptr> *scm_init_funcs_;
+vector<Void_fptr> *scm_init_funcs_;
void add_scm_init_func (void (*f) ())
{
if (!scm_init_funcs_)
- scm_init_funcs_ = new Array<Void_fptr>;
+ scm_init_funcs_ = new vector<Void_fptr>;
- scm_init_funcs_->push (f);
+ scm_init_funcs_->push_back (f);
}
-extern void init_cxx_function_smobs ();
-
void
-prepend_load_path (String p )
+ly_init_ly_module (void *)
{
- char s[1024];
- sprintf (s,
- "(set! %%load-path (cons \"%s\" %%load-path))", p.ch_C());
+ for (vsize i = scm_init_funcs_->size (); i--;)
+ (scm_init_funcs_->at (i)) ();
- scm_c_eval_string (s);
+ if (be_verbose_global)
+ {
+ progress_indication ("[");
+ scm_display (scm_c_eval_string ("(%search-load-path \"lily.scm\")"),
+ scm_current_error_port ());
+ progress_indication ("]\n");
+ }
+
+ scm_primitive_load_path (scm_makfrom0str ("lily.scm"));
}
+SCM global_lily_module;
+
void
-init_lily_guile (String p )
+ly_c_init_guile ()
{
- 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);
+ global_lily_module = scm_c_define_module ("lily", ly_init_ly_module, 0);
+ scm_c_use_module ("lily");
}
-unsigned int ly_scm_hash (SCM s)
+unsigned int
+ly_scm_hash (SCM s)
{
return scm_ihashv (s, ~1u);
}
-
-
bool
-isdir_b (SCM s)
+is_direction (SCM s)
{
- if (gh_number_p (s))
+ if (scm_is_number (s))
{
- int i = gh_scm2int (s);
- return i>= -1 && i <= 1;
+ int i = scm_to_int (s);
+ return i >= -1 && i <= 1;
}
return false;
}
-
bool
-isaxis_b (SCM s)
+is_axis (SCM s)
{
- if (gh_number_p (s))
+ if (scm_is_number (s))
{
- int i = gh_scm2int (s);
- return i== 0 || i == 1;
+ int i = scm_to_int (s);
+ return i == 0 || i == 1;
}
return false;
}
-
Direction
to_dir (SCM s)
{
- return (Direction) gh_scm2int (s);
+ return scm_is_integer (s) ? (Direction) scm_to_int (s) : CENTER;
}
Interval
ly_scm2interval (SCM p)
{
- return Interval (gh_scm2double (ly_car (p)),
- gh_scm2double (ly_cdr (p)));
+ return Interval (scm_to_double (scm_car (p)), scm_to_double (scm_cdr (p)));
}
-SCM
-ly_interval2scm (Interval i)
+Drul_array<Real>
+ly_scm2realdrul (SCM p)
{
- return gh_cons (gh_double2scm (i[LEFT]),
- gh_double2scm (i[RIGHT]));
+ return Drul_array<Real> (scm_to_double (scm_car (p)),
+ scm_to_double (scm_cdr (p)));
}
-
-
+SCM
+ly_interval2scm (Drul_array<Real> i)
+{
+ return scm_cons (scm_from_double (i[LEFT]), scm_from_double (i[RIGHT]));
+}
bool
to_boolean (SCM s)
{
- return gh_boolean_p (s) && gh_scm2bool (s);
+ return scm_is_bool (s) && ly_scm2bool (s);
}
-/*
- Appendable list L: the cdr contains the list, the car the last cons
- in the list.
- */
+/* Appendable list L: the cdr contains the list, the car the last cons
+ in the list. */
SCM
appendable_list ()
{
- SCM s = gh_cons (SCM_EOL, SCM_EOL);
- gh_set_car_x (s, s);
-
+ SCM s = scm_cons (SCM_EOL, SCM_EOL);
+ scm_set_car_x (s, s);
+
return s;
}
void
appendable_list_append (SCM l, SCM elt)
{
- SCM newcons = gh_cons (elt, SCM_EOL);
-
- gh_set_cdr_x (ly_car (l), newcons);
- gh_set_car_x (l, newcons);
-}
+ SCM newcons = scm_cons (elt, SCM_EOL);
+ scm_set_cdr_x (scm_car (l), newcons);
+ scm_set_car_x (l, newcons);
+}
SCM
ly_offset2scm (Offset o)
{
- return gh_cons (gh_double2scm (o[X_AXIS]), gh_double2scm (o[Y_AXIS]));
+ return scm_cons (scm_from_double (o[X_AXIS]), scm_from_double (o[Y_AXIS]));
}
Offset
ly_scm2offset (SCM s)
{
- return Offset (gh_scm2double (ly_car (s)),
- gh_scm2double (ly_cdr (s)));
+ return Offset (scm_to_double (scm_car (s)),
+ scm_to_double (scm_cdr (s)));
}
SCM
-ly_type (SCM exp)
+ly_deep_copy (SCM src)
{
- char const * cp = "unknown";
- if (gh_number_p (exp))
- {
- cp = "number";
- }
- else if (gh_string_p (exp))
+ if (scm_is_pair (src))
+ return scm_cons (ly_deep_copy (scm_car (src)), ly_deep_copy (scm_cdr (src)));
+ else if (scm_is_vector (src))
{
- cp = "string";
- }
- else if (gh_procedure_p (exp))
- {
- cp = "procedure";
+ int len = scm_c_vector_length (src);
+ SCM nv = scm_c_make_vector (len, SCM_UNDEFINED);
+ for (int i = 0;i < len; i++)
+ {
+ SCM si = scm_from_int (i);
+ scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
+ }
}
- else if (gh_boolean_p (exp))
+ return src;
+}
+
+/* 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 (scm_is_pair (alist))
{
- cp = "boolean";
+ SCM trykey = scm_caar (alist);
+ if (scm_is_pair (trykey)
+ && to_boolean (scm_equal_p (key, scm_cdr (trykey))))
+ return scm_car (alist);
+ return ly_assoc_cdr (key, scm_cdr (alist));
}
- else if (gh_pair_p (exp))
+ return SCM_BOOL_F;
+}
+
+SCM
+ly_string_array_to_scm (vector<string> a)
+{
+ SCM s = SCM_EOL;
+ for (vsize i = a.size (); i ; i--)
+ s = scm_cons (ly_symbol2scm (a[i - 1].c_str ()), s);
+ return s;
+}
+
+/* SYMBOLS is a whitespace separated list. */
+SCM
+parse_symbol_list (char const *symbols)
+{
+ while (isspace (*symbols))
+ *symbols++;
+ string s = symbols;
+ replace_all (s, '\n', ' ');
+ replace_all (s, '\t', ' ');
+ return ly_string_array_to_scm (string_split (s, ' '));
+}
+
+SCM
+ly_truncate_list (int k, SCM lst)
+{
+ if (k == 0)
+ lst = SCM_EOL;
+ else
{
- cp = "list";
+ SCM s = lst;
+ k--;
+ for (; scm_is_pair (s) && k--; s = scm_cdr (s))
+ ;
+
+ if (scm_is_pair (s))
+ scm_set_cdr_x (s, SCM_EOL);
}
+ return lst;
+}
- return ly_str02scm (cp);
+string
+print_scm_val (SCM val)
+{
+ string realval = ly_scm2string (ly_write2scm (val));
+ if (realval.length () > 200)
+ realval = realval.substr (0, 100)
+ + "\n :\n :\n"
+ + realval.substr (realval.length () - 100);
+ return realval;
}
-/*
- convert without too many decimals, and leave a space at the end.
- */
-
-
-SCM
-ly_number2string (SCM s)
+bool
+type_check_assignment (SCM sym, SCM val, SCM type_symbol)
{
- assert (gh_number_p (s));
+ bool ok = true;
+
+ /*
+ Always succeeds.
+
- char str[400]; // ugh.
+ TODO: should remove #f from allowed vals?
+ */
+ if (val == SCM_EOL || val == SCM_BOOL_F)
+ return ok;
+
+ if (!scm_is_symbol (sym))
+#if 0
+ return false;
+#else
+ /*
+ This is used for autoBeamSettings.
+
+ TODO: deprecate the use of \override and \revert for
+ autoBeamSettings?
+
+ or use a symbol autoBeamSettingS?
+ */
+ return true;
+#endif
- if (scm_exact_p (s) == SCM_BOOL_F)
+ SCM type = scm_object_property (sym, type_symbol);
+
+ if (type != SCM_EOL && !ly_is_procedure (type))
{
- Real r (gh_scm2double (s));
+ warning (_f ("can't find property type-check for `%s' (%s).",
+ ly_symbol2string (sym).c_str (),
+ ly_symbol2string (type_symbol).c_str ())
+ + " " + _ ("perhaps a typing error?"));
- if (isinf (r) || isnan (r))
- {
- programming_error ("Infinity or NaN encountered while converting Real number; setting to zero.");
- r = 0.0;
- }
+ /* Be strict when being anal :) */
+ if (do_internal_type_checking_global)
+ abort ();
- sprintf (str, "%8.4f ", r);
+ warning (_ ("doing assignment anyway"));
}
else
{
- sprintf (str, "%d ", gh_scm2int (s));
+ if (val != SCM_EOL
+ && ly_is_procedure (type)
+ && scm_call_1 (type, val) == SCM_BOOL_F)
+ {
+ ok = false;
+ SCM typefunc = ly_lily_module_constant ("type-name");
+ SCM type_name = scm_call_1 (typefunc, type);
+
+ warning (_f ("type check for `%s' failed; value `%s' must be of type `%s'",
+ ly_symbol2string (sym).c_str (),
+ print_scm_val (val),
+ ly_scm2string (type_name).c_str ()));
+ progress_indication ("\n");
+ }
}
-
- return ly_str02scm (str);
+ return ok;
}
-/*
- Undef this to see if GUILE GC is causing too many swaps.
- */
+/* some SCM abbrevs
-// #define TEST_GC
+zijn deze nou handig?
+zijn ze er al in scheme, maar heten ze anders? */
-#ifdef TEST_GC
-#include <libguile/gc.h>
-
-static void *
-greet_sweep (void *dummy1, void *dummy2, void *dummy3)
+/* Remove doubles from (sorted) list */
+SCM
+ly_unique (SCM list)
{
- fprintf (stderr, "entering sweep\n");
+ SCM unique = SCM_EOL;
+ for (SCM i = list; scm_is_pair (i); i = scm_cdr (i))
+ {
+ if (!scm_is_pair (scm_cdr (i))
+ || !ly_is_equal (scm_car (i), scm_cadr (i)))
+ unique = scm_cons (scm_car (i), unique);
+ }
+ return scm_reverse_x (unique, SCM_EOL);
}
-static void *
-wave_sweep_goodbye (void *dummy1, void *dummy2, void *dummy3)
+static int
+scm_default_compare (void const *a, void const *b)
{
- fprintf (stderr, "leaving sweep\n");
+ SCM pa = *(SCM *) a;
+ SCM pb = *(SCM *) b;
+ if (pa == pb)
+ return 0;
+ return pa < pb ? -1 : 1;
}
-#endif
+/* Modify LST in place: qsort it.
-#include "version.hh"
+FIXME: unused, junk? */
SCM
-ly_version ()
+ly_list_qsort_uniq_x (SCM lst)
{
- char const* vs = "\' (" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")" ;
-
- return gh_eval_str ((char*)vs);
-}
+ int len = scm_ilength (lst);
+ SCM *arr = new SCM[len];
+ int k = 0;
+ for (SCM s = lst; SCM_NNULLP (s); s = scm_cdr (s))
+ arr[k++] = scm_car (s);
-static void
-init_functions ()
-{
- 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);
+ assert (k == len);
+ qsort (arr, len, sizeof (SCM), &scm_default_compare);
+ SCM *tail = &lst;
+ for (int i = 0; i < len; i++)
+ if (!i || arr[i] != arr[i - 1])
+ {
+ SCM_SETCAR (*tail, arr[i]);
+ tail = SCM_CDRLOC (*tail);
+ }
-#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
+ *tail = SCM_EOL;
+ delete[] arr;
+
+ return lst;
}
-ADD_SCM_INIT_FUNC (funcs, init_functions);
+/* tail add */
+SCM
+ly_snoc (SCM s, SCM list)
+{
+ return ly_append2 (list, scm_list_n (s, SCM_UNDEFINED));
+}
+/* Split list at member s, removing s.
+ Return (BEFORE . AFTER) */
SCM
-ly_deep_copy (SCM l)
+ly_split_list (SCM s, SCM list)
{
- if (gh_pair_p (l))
+ SCM before = SCM_EOL;
+ SCM after = list;
+ for (; scm_is_pair (after);)
{
- return gh_cons (ly_deep_copy (ly_car (l)), ly_deep_copy (ly_cdr (l)));
+ SCM i = scm_car (after);
+ after = scm_cdr (after);
+ if (ly_is_equal (i, s))
+ break;
+ before = scm_cons (i, before);
}
- else
- return l;
+ return scm_cons (scm_reverse_x (before, SCM_EOL), after);
}
+void
+taint (SCM *)
+{
+ /*
+ nop.
+ */
+}
-
-
+/*
+ display stuff without using stack
+*/
SCM
-ly_assoc_chain (SCM key, SCM achain)
+display_list (SCM s)
{
- if (gh_pair_p (achain))
+ SCM p = scm_current_output_port ();
+
+ scm_puts ("(", p);
+ for (; scm_is_pair (s); s = scm_cdr (s))
{
- SCM handle = scm_assoc (key, ly_car (achain));
- if (gh_pair_p (handle))
- return handle;
- else
- return ly_assoc_chain (key, ly_cdr (achain));
+ scm_display (scm_car (s), p);
+ scm_puts (" ", p);
}
- else
- return SCM_BOOL_F;
+ scm_puts (")", p);
+ return SCM_UNSPECIFIED;
}
-/*
- LIST has the form "sym1 sym2 sym3"
- */
+Slice
+int_list_to_slice (SCM l)
+{
+ Slice s;
+ s.set_empty ();
+ for (; scm_is_pair (l); l = scm_cdr (l))
+ if (scm_is_number (scm_car (l)))
+ s.add_point (scm_to_int (scm_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
-parse_symbol_list (const char * list)
+robust_list_ref (int i, SCM l)
{
- char * s = strdup (list);
- char *orig = s;
- SCM create_list = SCM_EOL;
- if (!s[0] )
- s = 0;
+ while (i-- > 0 && scm_is_pair (scm_cdr (l)))
+ l = scm_cdr (l);
+ return scm_car (l);
+}
- while (s)
- {
- char *next = strchr (s, ' ');
- if (next)
- *next++ = 0;
+Real
+robust_scm2double (SCM k, double x)
+{
+ if (scm_is_number (k))
+ x = scm_to_double (k);
+ return x;
+}
+
+Direction
+robust_scm2dir (SCM d, Direction def)
+{
+ if (is_direction (d))
+ def = to_dir (d);
+ return def;
+}
+
+Interval
+robust_scm2interval (SCM k, Drul_array<Real> v)
+{
+ Interval i;
+ i[LEFT] = v[LEFT];
+ i[RIGHT] = v[RIGHT];
+ if (is_number_pair (k))
+ i = ly_scm2interval (k);
+ return i;
+}
- create_list = gh_cons (ly_symbol2scm (s), create_list);
- s = next;
+Drul_array<Real>
+robust_scm2drul (SCM k, Drul_array<Real> v)
+{
+ if (is_number_pair (k))
+ v = ly_scm2interval (k);
+ return v;
+}
+
+Drul_array<bool>
+robust_scm2booldrul (SCM k, Drul_array<bool> def)
+{
+ if (scm_is_pair (k))
+ {
+ def[LEFT] = to_boolean (scm_car (k));
+ def[RIGHT] = to_boolean (scm_cdr (k));
}
+ return def;
+}
- free (orig);
- return create_list;
+Offset
+robust_scm2offset (SCM k, Offset o)
+{
+ if (is_number_pair (k))
+ o = ly_scm2offset (k);
+ return o;
}
+int
+robust_scm2int (SCM k, int o)
+{
+ if (scm_integer_p (k) == SCM_BOOL_T)
+ o = scm_to_int (k);
+ return o;
+}
SCM
-ly_truncate_list (int k, SCM l )
+alist_to_hashq (SCM alist)
{
- if (k == 0)
+ int i = scm_ilength (alist);
+ if (i < 0)
+ return scm_c_make_hash_table (0);
+
+ SCM tab = scm_c_make_hash_table (i);
+ for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
{
- l = SCM_EOL;
+ SCM pt = scm_cdar (s);
+ scm_hashq_set_x (tab, scm_caar (s), pt);
}
- else
+ return tab;
+}
+
+bool
+alist_equal_p (SCM a, SCM b)
+{
+ for (SCM s = a;
+ scm_is_pair (s); s = scm_cdr (s))
{
- SCM s = l;
- k--;
- for (; gh_pair_p (s) && k--; s = ly_cdr (s))
- ;
+ SCM key = scm_caar (s);
+ SCM val = scm_cdar (s);
+ SCM l = scm_assoc (key, b);
- if (gh_pair_p (s))
- {
- gh_set_cdr_x (s, SCM_EOL);
- }
+ if (l == SCM_BOOL_F
+ || !ly_is_equal (scm_cdr (l), val))
+
+ return false;
}
- return l;
+ return true;
+}
+
+SCM
+ly_alist_vals (SCM alist)
+{
+ SCM x = SCM_EOL;
+ for (SCM p = alist; scm_is_pair (p); p = scm_cdr (p))
+ x = scm_cons (scm_cdar (p), x);
+ return x;
+}
+
+SCM
+ly_hash2alist (SCM tab)
+{
+ SCM func = ly_lily_module_constant ("hash-table->alist");
+ return scm_call_1 (func, tab);
}
-SCM my_gh_symbol2scm (const char* x)
+int
+procedure_arity (SCM proc)
{
- return gh_symbol2scm ((char*)x);
+ assert (ly_is_procedure (proc));
+ SCM arity = scm_procedure_property (proc,
+ ly_symbol2scm ("arity"));
+
+ SCM fixed = scm_car (arity);
+ return scm_to_int (fixed);
}
+
+string
+mangle_cxx_identifier (string cxx_id)
+{
+ if (cxx_id.substr (0, 3) == "ly_")
+ cxx_id = cxx_id.replace (0, 3, "ly:");
+ else
+ {
+ cxx_id = String_convert::to_lower (cxx_id);
+ cxx_id = "ly:" + cxx_id;
+ }
+ if (cxx_id.substr (cxx_id.length () - 2) == "_p")
+ cxx_id = cxx_id.replace (cxx_id.length () - 2, 1, "?");
+ else if (cxx_id.substr (cxx_id.length () - 2) == "_x")
+ cxx_id = cxx_id.replace (cxx_id.length () - 2, 1, "!");
+
+ cxx_id = replace_all (cxx_id, '_', '-');
+ return cxx_id;
+}
+
projects / lilypond.git / blobdiff