X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-guile.cc;h=36b56aab16f923b44395f2a4ff3f0a2e3ac7c1b2;hb=de2b6d04ee98783f86b02047e41ee672f97a813d;hp=ebe2ff5b697436ce5f778e66220690fc432ccb8e;hpb=d7416352b825c3e9b4858e1ddcf14f0c00e26d89;p=lilypond.git diff --git a/lily/lily-guile.cc b/lily/lily-guile.cc index ebe2ff5b69..36b56aab16 100644 --- a/lily/lily-guile.cc +++ b/lily/lily-guile.cc @@ -3,7 +3,7 @@ source file of the GNU LilyPond music typesetter - (c) 1998--2000 Jan Nieuwenhuizen + (c) 1998--2003 Jan Nieuwenhuizen Han-Wen Nienhuys */ @@ -11,184 +11,132 @@ #include #include -#include // isinf +#include /* isinf */ +#include /* 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" + +// #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)); } -#if 0 -/* - this all really sucks, LilyPond should not communicate with GUILE using strings. - */ SCM -ly_eval_str (String s); -#endif - - -/* - Pass string to scm parser, evaluate one expression. - Return result value and #chars read. - - Thanks to Gary Houston - - Need guile-1.3.4 (>1.3 anyway) for ftell on str ports -- jcn -*/ -SCM -ly_parse_scm (char const* s, int* n) +ly_write2scm (SCM s) { - SCM str = gh_str02scm ((char*)s); - SCM port = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG, - "scm_eval_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_x (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 - */ + 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")); - /* - 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); + // scm_apply (write, port, SCM_EOL); + gh_call2 (write, s, port); + return scm_strport_to_string (port); } SCM -ly_symbol2scm(const char *s) +ly_quote_scm (SCM s) { - return gh_symbol2scm ((char *)s); + return scm_list_n (ly_symbol2scm ("quote"), s, SCM_UNDEFINED); } 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 == "") { 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 + else if (verbose_global_b) progress_indication ("[" + s); - - Simple_file_storage f(s); + int n; + char * str = gulp_file (s, &n); + String result (str); + delete[] str; - gh_eval_str ((char *) f.ch_C()); - progress_indication ("]"); -} + if (verbose_global_b) + progress_indication ("]"); + return result; +} -SCM -ly_gulp_file (SCM name) +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.") { - 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 ); - - - Simple_file_storage f(s); - SCM result = ly_str02scm (f.ch_C()); - progress_indication ("]"); - return result; + return scm_makfrom0str (gulp_file_to_string (ly_scm2string (name)).to_str0 ()); } + +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); - - 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 @@ -201,16 +149,17 @@ index_set_cell (SCM s, Direction d, SCM v) 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_isdir, "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)) { @@ -220,12 +169,16 @@ ly_isdir_p (SCM s) 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)); +} - -typedef void (*Void_fptr)(); +typedef void (*Void_fptr) (); Array *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; @@ -233,11 +186,27 @@ void add_scm_init_func (void (*f)()) scm_init_funcs_->push (f); } + void -init_lily_guile () +ly_init_ly_module (void *data) { - for (int i=scm_init_funcs_->size() ; i--;) + for (int i=scm_init_funcs_->size () ; 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) @@ -248,7 +217,7 @@ unsigned int ly_scm_hash (SCM s) bool -isdir_b (SCM s) +ly_dir_p (SCM s) { if (gh_number_p (s)) { @@ -258,27 +227,42 @@ isdir_b (SCM s) return false; } + +bool +ly_axis_p (SCM s) +{ + if (gh_number_p (s)) + { + int i = gh_scm2int (s); + return i== 0 || i == 1; + } + return false; +} + + 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 i) { return gh_cons (gh_double2scm (i[LEFT]), gh_double2scm (i[RIGHT])); } + + bool to_boolean (SCM s) { @@ -303,7 +287,7 @@ appendable_list_append (SCM l, SCM elt) { 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); } @@ -311,61 +295,31 @@ appendable_list_append (SCM l, SCM elt) SCM 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 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); + return Offset (gh_scm2double (ly_car (s)), + gh_scm2double (ly_cdr (s))); } -/* - 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[100]; // ugh. + char str[400]; // ugh. - if (scm_integer_p (s)) + 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; @@ -378,10 +332,14 @@ ly_number2string (SCM s) sprintf (str, "%d ", gh_scm2int (s)); } - return gh_str02scm (str); + return scm_makfrom0str (str); } -// #define TEST_GC +/* + Undef this to see if GUILE GC is causing too many swaps. + */ + +//#define TEST_GC #ifdef TEST_GC #include @@ -389,30 +347,370 @@ ly_number2string (SCM s) static void * greet_sweep (void *dummy1, void *dummy2, void *dummy3) { - fprintf(stderr, "entering sweep\n"); + fprintf (stderr, "entering sweep\n"); } static void * wave_sweep_goodbye (void *dummy1, void *dummy2, void *dummy3) { - fprintf(stderr, "leaving sweep\n"); + fprintf (stderr, "leaving sweep\n"); } #endif -static void -init_functions () + +#include "version.hh" +LY_DEFINE(ly_version, "ly:version", 0, 0, 0, (), + "Return the current lilypond version as a list, e.g. @code{(1 3 127 uu1)}. ") { - 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); + char const* vs = "\' (" MAJOR_VERSION " " MINOR_VERSION " " PATCH_LEVEL " " MY_PATCH_LEVEL ")" ; + + return gh_eval_str ((char*)vs); +} +LY_DEFINE(ly_unit, "ly:unit", 0, 0, 0, (), + "Return the unit used for lengths as a string.") +{ + return scm_makfrom0str (INTERNAL_UNIT); +} +LY_DEFINE(ly_verbose, "ly:verbose", 0, 0, 0, (), + "Return whether lilypond is being run in verbose mode.") +{ + return gh_bool2scm (verbose_global_b); +} + +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); #endif +} + +ADD_SCM_INIT_FUNC (funcs, init_functions); + +SCM +ly_deep_copy (SCM src) +{ + if (gh_pair_p (src)) + { + 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 src; + + return src; +} + + + + +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\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); } -ADD_SCM_INIT_FUNC(funcs, init_functions); + +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); +} +