X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flexer.ll;h=6ec3cf94b99a39353be4963c009ed7248336b30d;hb=3351938e1a606aba14c1722fa5cb1924eaa4f526;hp=7deca514b0a9e5aebb3944ebba3e64f7ffcc3173;hpb=a2991295b2c1fb36bec19de207161855ca3c1756;p=lilypond.git diff --git a/lily/lexer.ll b/lily/lexer.ll index 7deca514b0..6ec3cf94b9 100644 --- a/lily/lexer.ll +++ b/lily/lexer.ll @@ -1,10 +1,10 @@ %{ // -*-Fundamental-*- /* - lexer.l -- implement the Flex lexer + lexer.ll -- implement the Flex lexer source file of the LilyPond music typesetter - (c) 1996--2000 Han-Wen Nienhuys + (c) 1996--2004 Han-Wen Nienhuys Jan Nieuwenhuizen */ @@ -24,23 +24,30 @@ #include #include +#include -#include "score.hh" +/* Flex >= 2.5.29 fix; FlexLexer.h's multiple include bracing breaks + when building the actual lexer. */ +#define LEXER_CC + +#include +using namespace std; +#include "music-function.hh" +#include "source-file.hh" +#include "parse-scm.hh" #include "lily-guile.hh" #include "string.hh" #include "string-convert.hh" -#include "my-lily-lexer.hh" -#include "array.hh" +#include "lily-lexer.hh" #include "interval.hh" #include "lily-guile.hh" #include "parser.hh" -#include "debug.hh" +#include "warn.hh" #include "main.hh" -#include "musical-request.hh" #include "version.hh" #include "lilypond-input-version.hh" -#include "translator-def.hh" -#include "music-output-def.hh" +#include "context-def.hh" +#include "identifier-smob.hh" /* RH 7 fix (?) @@ -50,19 +57,21 @@ RH 7 fix (?) void strip_trailing_white (String&); void strip_leading_white (String&); String lyric_fudge (String s); - - -bool -valid_version_b (String s); - +int music_function_type (SCM); +SCM lookup_markup_command (String s); +bool is_valid_version (String s); #define start_quote() \ yy_push_state (quote);\ yylval.string = new String +#define start_lyric_quote() \ + yy_push_state (lyric_quote);\ + yylval.string = new String + #define yylval \ - (*(YYSTYPE*)lexval_l) + (*(YYSTYPE*)lexval) #define YY_USER_ACTION add_lexed_char (YYLeng ()); /* @@ -71,31 +80,41 @@ LYRICS ({AA}|{TEX})[^0-9 \t\n\f]* */ + +SCM scan_fraction (String); +SCM (* scm_parse_error_handler) (void *); + + + %} %option c++ %option noyywrap %option nodefault %option debug -%option yyclass="My_lily_lexer" +%option yyclass="Lily_lexer" %option stack %option never-interactive %option warn -%x version %x chords +%x encoding +%x figures %x incl %x lyrics +%x lyric_quote +%x longcomment +%x markup %x notes %x quote -%x longcomment - +%x renameinput +%x version A [a-zA-Z] AA {A}|_ N [0-9] AN {AA}|{N} -PUNCT [?!:'] +PUNCT [?!:'`] ACCENT \\[`'"^] NATIONAL [\001-\006\021-\027\031\036\200-\377] TEX {AA}|-|{PUNCT}|{ACCENT}|{NATIONAL} @@ -103,6 +122,8 @@ WORD {A}{AN}* ALPHAWORD {A}+ DIGIT {N} UNSIGNED {N}+ +E_UNSIGNED \\{N}+ +FRACTION {N}+\/{N}+ INT -?{UNSIGNED} REAL ({INT}\.{N}*)|(-?\.{N}+) KEYWORD \\{WORD} @@ -111,7 +132,8 @@ HORIZONTALWHITE [ \t] BLACK [^ \n\t\f\r] RESTNAME [rs] NOTECOMMAND \\{A}+ -LYRICS ({AA}|{TEX})[^0-9 \t\n\f]* +MARKUPCOMMAND \\({A}|[-_])+ +LYRICS ({AA}|{TEX})[^0-9 \t\n\r\f]* ESCAPED [nt\\'"] EXTENDER __ HYPHEN -- @@ -122,36 +144,70 @@ HYPHEN -- // windows-suck-suck-suck } -{ +{ "%{" { yy_push_state (longcomment); } - %[^{\n].*\n { + %[^{\n\r].*[\n\r] { } - %[^{\n] { // backup rule + %[^{\n\r] { // backup rule } - %\n { + %[\n\r] { } - %[^{\n].* { + %[^{\n\r].* { } {WHITE}+ { } } -\\version{WHITE}* { +\\encoding{WHITE}* { + yy_push_state (encoding); +} +\\version{WHITE}* { yy_push_state (version); } -\"[^"]*\";? { /* got the include file name */ - String s (YYText ()+1); - s = s.left_str (s.index_last_i ('"')); - DEBUG_OUT << "#version `" << s << "'\n"; +\\renameinput{WHITE}* { + yy_push_state (renameinput); +} +\"[^"]*\" { + String s (YYText () + 1); + s = s.left_string (s.index_last ('\"')); + set_encoding (s); + yy_pop_state (); +} +\"[^"]*\" { /* got the version number */ + String s (YYText () + 1); + s = s.left_string (s.index_last ('\"')); + yy_pop_state (); - if (!valid_version_b (s)) + if (!is_valid_version (s)) return INVALID; } +\"[^"]*\" { + String s (YYText ()+1); + s = s.left_string (s.index_last ('\"')); + + yy_pop_state(); + this->here_input().source_file_->name_ = s; + progress_indication ("\n"); + progress_indication (_f ("input renamed to: `%s'", s.to_str0 ())); + progress_indication ("\n"); + scm_module_define (ly_car (scopes_), + ly_symbol2scm ("input-file-name"), + scm_makfrom0str (s.to_str0())); + +} +. { + LexerError (_ ("No quoted string found after \\encoding").to_str0 ()); + yy_pop_state (); +} . { - LexerError ("No quoted string found after \\version"); + LexerError (_ ("No quoted string found after \\version").to_str0 ()); + yy_pop_state (); +} +. { + LexerError (_ ("No quoted string found after \\renameinput").to_str0 ()); yy_pop_state (); } { @@ -164,99 +220,116 @@ HYPHEN -- yy_pop_state (); } <> { - LexerError (_ ("EOF found inside a comment").ch_C ()); + LexerError (_ ("EOF found inside a comment").to_str0 ()); + main_input_b_ = false; if (! close_input ()) yyterminate (); // can't move this, since it actually rets a YY_NULL } } -\\maininput { +\\maininput { if (!main_input_b_) { start_main_input (); main_input_b_ = true; } else - error (_ ("\\maininput disallowed outside init files")); + error (_ ("\\maininput not allowed outside init files")); } -\\include { +\\include { yy_push_state (incl); } \"[^"]*\";? { /* got the include file name */ +/* FIXME: semicolon? */ String s (YYText ()+1); - s = s.left_str (s.index_last_i ('"')); - DEBUG_OUT << "#include `" << s << "'\n"; - new_input (s,source_global_l); + s = s.left_string (s.index_last ('"')); + + new_input (s, sources_); yy_pop_state (); } \\{BLACK}*;?{WHITE} { /* got the include identifier */ +/* FIXME: semicolon? */ String s = YYText () + 1; strip_trailing_white (s); - if (s.length_i () && (s[s.length_i () - 1] == ';')) - s = s.left_str (s.length_i () - 1); - DEBUG_OUT << "#include `\\" << s << "'\n"; + if (s.length () && (s[s.length () - 1] == ';')) + s = s.left_string (s.length () - 1); + SCM sid = lookup_identifier (s); - if (gh_string_p (sid)) { - new_input (ly_scm2string (sid), source_global_l); + if (ly_c_string_p (sid)) { + new_input (ly_scm2string (sid), sources_); yy_pop_state (); } else { - String msg (_f ("wrong or undefined identifier: `%s'", s )); - LexerError (msg.ch_C ()); + String msg (_f ("wrong or undefined identifier: `%s'", s )); + + LexerError (msg.to_str0 ()); + SCM err = scm_current_error_port (); + scm_puts ("This value was found in the table: ", err); + scm_display (sid, err); } } \"[^"]* { // backup rule - cerr << _ ("Missing end quote") << endl; + error (_ ("Missing end quote")); exit (1); } -{RESTNAME} { +{RESTNAME} { const char *s = YYText (); - yylval.scm = ly_str02scm (s); + yylval.scm = scm_makfrom0str (s); return RESTNAME; } -R { +R { return MULTI_MEASURE_REST; } -\\\${BLACK}*{WHITE} { - String s=YYText () + 2; - s=s.left_str (s.length_i () - 1); - return scan_escaped_word (s); -} -\${BLACK}*{WHITE} { - String s=YYText () + 1; - s=s.left_str (s.length_i () - 1); - return scan_bare_word (s); -} -\\\${BLACK}* { // backup rule - cerr << _ ("white expected") << endl; - exit (1); -} -\${BLACK}* { // backup rule - cerr << _ ("white expected") << endl; - exit (1); -} - -# { //embedded scm +# { //embedded scm //char const* s = YYText () + 1; - char const* s = here_ch_C (); + char const* s = here_str0 (); int n = 0; - if (main_input_b_ && safe_global_b) { - error (_ ("Can't evaluate Scheme in safe mode")); - yylval.scm = SCM_EOL; - return SCM_T; - } - yylval.scm = ly_parse_scm (s, &n); - + SCM sval = ly_parse_scm (s, &n, here_input (), + safe_global_b && main_input_b_); + + if (sval == SCM_UNDEFINED) + { + sval = SCM_UNSPECIFIED; + error_level_ = 1; + } + for (int i=0; i < n; i++) { yyinput (); } char_count_stack_.top () += n; + if (unpack_identifier (sval) != SCM_UNDEFINED) + { + yylval.scm = unpack_identifier(sval); + return identifier_type (yylval.scm); + } + + yylval.scm = sval; return SCM_T; } -{ +{ + \<\< { + return DOUBLE_ANGLE_OPEN; + } + \>\> { + return DOUBLE_ANGLE_CLOSE; + } +} +{ + _ { + return FIGURE_SPACE; + } + \> { + return FIGURE_CLOSE; + } + \< { + return FIGURE_OPEN; + } +} + +{ {ALPHAWORD} { return scan_bare_word (YYText ()); } @@ -264,15 +337,23 @@ HYPHEN -- {NOTECOMMAND} { return scan_escaped_word (YYText () + 1); } + {FRACTION} { + yylval.scm = scan_fraction (YYText ()); + return FRACTION; + } {DIGIT} { - yylval.i = String_convert::dec2_i (String (YYText ())); + yylval.i = String_convert::dec2int (String (YYText ())); return DIGIT; } {UNSIGNED} { - yylval.i = String_convert::dec2_i (String (YYText ())); + yylval.i = String_convert::dec2int (String (YYText ())); return UNSIGNED; } + {E_UNSIGNED} { + yylval.i = String_convert::dec2int (String (YYText () +1)); + return E_UNSIGNED; + } \" { start_quote (); @@ -284,18 +365,18 @@ HYPHEN -- } { \\{ESCAPED} { - *yylval.string += to_str (escaped_char (YYText ()[1])); + *yylval.string += to_string (escaped_char (YYText ()[1])); } [^\\"]+ { *yylval.string += YYText (); } \" { - DEBUG_OUT << "quoted string: `" << *yylval.string << "'\n"; + yy_pop_state (); /* yylval is union. Must remember STRING before setting SCM*/ String *sp = yylval.string; - yylval.scm = ly_str02scm (sp->ch_C ()); + yylval.scm = scm_makfrom0str (sp->to_str0 ()); delete sp; return STRING; } @@ -303,13 +384,38 @@ HYPHEN -- *yylval.string += YYText (); } } +{ + \\{ESCAPED} { + *yylval.string += to_string (escaped_char (YYText ()[1])); + } + [^\\"]+ { + *yylval.string += YYText (); + } + \" { + + yy_pop_state (); + + /* yylval is union. Must remember STRING before setting SCM*/ + String *sp = yylval.string; + yylval.scm = scm_makfrom0str (sp->to_str0 ()); + delete sp; + return LYRICS_STRING; + } + . { + *yylval.string += YYText (); + } +} { \" { - start_quote (); + start_lyric_quote (); + } + {FRACTION} { + yylval.scm = scan_fraction (YYText ()); + return FRACTION; } {UNSIGNED} { - yylval.i = String_convert::dec2_i (String (YYText ())); + yylval.i = String_convert::dec2int (String (YYText ())); return UNSIGNED; } {NOTECOMMAND} { @@ -324,14 +430,14 @@ HYPHEN -- return yylval.i = HYPHEN; s = lyric_fudge (s); - char c = s[s.length_i () - 1]; + char c = s[s.length () - 1]; if (c == '{' || c == '}') // brace open is for not confusing dumb tools. here_input ().warning ( - _ ("Brace found at end of lyric. Did you forget a space?")); - yylval.scm = ly_str02scm (s.ch_C ()); + _ ("Brace found at end of lyric. Did you forget a space?")); + yylval.scm = scm_makfrom0str (s.to_str0 ()); - DEBUG_OUT << "lyric : `" << s << "'\n"; - return STRING; + + return LYRICS_STRING; } . { return YYText ()[0]; @@ -344,8 +450,12 @@ HYPHEN -- {NOTECOMMAND} { return scan_escaped_word (YYText () + 1); } + {FRACTION} { + yylval.scm = scan_fraction (YYText ()); + return FRACTION; + } {UNSIGNED} { - yylval.i = String_convert::dec2_i (String (YYText ())); + yylval.i = String_convert::dec2int (String (YYText ())); return UNSIGNED; } \" { @@ -360,6 +470,9 @@ HYPHEN -- \/\+ { return CHORD_BASS; } + \/ { + return CHORD_SLASH; + } \^ { return CHORD_CARET; } @@ -368,12 +481,85 @@ HYPHEN -- } } -<> { - DEBUG_OUT << "<>"; - if (! close_input ()) { - yyterminate (); // can't move this, since it actually rets a YY_NULL +{ + \" { + start_quote (); + } + \< { + return '<'; + } + \> { + return '>'; + } + \\score { + return SCORE; + } + {MARKUPCOMMAND} { + String str (YYText () + 1); + SCM s = lookup_markup_command (str); + + if (ly_c_pair_p (s) && ly_c_symbol_p (ly_cdr (s)) ) { + yylval.scm = ly_car(s); + SCM tag = ly_cdr(s); + if (tag == ly_symbol2scm("markup0")) + return MARKUP_HEAD_MARKUP0; + if (tag == ly_symbol2scm("empty")) + return MARKUP_HEAD_EMPTY; + else if (tag == ly_symbol2scm ("markup0-markup1")) + return MARKUP_HEAD_MARKUP0_MARKUP1; + else if (tag == ly_symbol2scm ("markup-list0")) + return MARKUP_HEAD_LIST0; + else if (tag == ly_symbol2scm ("scheme0")) + return MARKUP_HEAD_SCM0; + else if (tag == ly_symbol2scm ("scheme0-scheme1")) + return MARKUP_HEAD_SCM0_SCM1; + else if (tag == ly_symbol2scm ("scheme0-markup1")) + return MARKUP_HEAD_SCM0_MARKUP1; + else if (tag == ly_symbol2scm ("scheme0-scheme1-markup2")) + return MARKUP_HEAD_SCM0_SCM1_MARKUP2; + else if (tag == ly_symbol2scm ("scheme0-scheme1-scheme2")) + return MARKUP_HEAD_SCM0_SCM1_SCM2; + else { + programming_error ("No parser tag defined for this signature. Abort"); + ly_display_scm (s); + assert(false); + } + } else + return scan_escaped_word (str); + } + [{}] { + return YYText ()[0]; + } + [^#{}"\\ \t\n\r\f]+ { + String s (YYText ()); + + char c = s[s.length () - 1]; + /* brace open is for not confusing dumb tools. */ + if (c == '{' || c == '}') + here_input ().warning ( + _ ("Brace found at end of markup. Did you forget a space?")); + yylval.scm = scm_makfrom0str (s.to_str0 ()); + + + return STRING; + } + . { + return YYText()[0]; + } +} + +<> { + if (main_input_b_) + { + main_input_b_ = false; + if (!close_input ()) + /* Returns YY_NULL */ + yyterminate (); } + else if (!close_input ()) + /* Returns YY_NULL */ + yyterminate (); } @@ -387,31 +573,32 @@ HYPHEN -- Real r; int cnv=sscanf (YYText (), "%lf", &r); assert (cnv == 1); - DEBUG_OUT << "REAL" << r<<'\n'; - yylval.real = r; + + yylval.scm = scm_make_real (r); return REAL; } {UNSIGNED} { - yylval.i = String_convert::dec2_i (String (YYText ())); + yylval.i = String_convert::dec2int (String (YYText ())); return UNSIGNED; } + [{}] { - DEBUG_OUT << "parens\n"; + return YYText ()[0]; } [*:=] { char c = YYText ()[0]; - DEBUG_OUT << "misc char" <. { +. { return YYText ()[0]; } -\\. { +\\. { char c= YYText ()[1]; switch (c) { @@ -425,6 +612,15 @@ HYPHEN -- return E_OPEN; case ')': return E_CLOSE; + case '[': + return E_LEFTSQUARE; + case ']': + return E_RIGHTSQUARE; + case '~': + return E_TILDE; + case '\\': + return E_BACKSLASH; + default: return E_CHAR; } @@ -432,132 +628,150 @@ HYPHEN -- <*>. { String msg = _f ("invalid character: `%c'", YYText ()[0]); - LexerError (msg.ch_C ()); + LexerError (msg.to_str0 ()); return YYText ()[0]; } %% void -My_lily_lexer::push_note_state () +Lily_lexer::push_chord_state (SCM tab) { - yy_push_state (notes); + pitchname_tab_stack_ = scm_cons (tab, pitchname_tab_stack_); + yy_push_state (chords); } void -My_lily_lexer::push_chord_state () +Lily_lexer::push_figuredbass_state () { - yy_push_state (chords); + yy_push_state (figures); +} + +void +Lily_lexer::push_initial_state () +{ + yy_push_state (INITIAL); } void -My_lily_lexer::push_lyric_state () +Lily_lexer::push_lyric_state () { yy_push_state (lyrics); } void -My_lily_lexer::pop_state () +Lily_lexer::push_markup_state () +{ + yy_push_state (markup); +} + +void +Lily_lexer::push_note_state (SCM tab) { + pitchname_tab_stack_ = scm_cons (tab, pitchname_tab_stack_); + yy_push_state (notes); +} + +void +Lily_lexer::pop_state () +{ + if (YYSTATE == notes || YYSTATE == chords) + pitchname_tab_stack_ = ly_cdr (pitchname_tab_stack_); yy_pop_state (); } int -My_lily_lexer::scan_escaped_word (String str) +Lily_lexer::identifier_type (SCM sid) +{ + int k = try_special_identifiers (&yylval.scm , sid); + return k >= 0 ? k : SCM_IDENTIFIER; +} + + +int +Lily_lexer::scan_escaped_word (String str) { // use more SCM for this. - SCM sym = ly_symbol2scm (str.ch_C ()); +// SCM sym = ly_symbol2scm (str.to_str0 ()); int l = lookup_keyword (str); if (l != -1) { return l; } SCM sid = lookup_identifier (str); - if (gh_string_p (sid)) { - yylval.scm = sid; - return STRING_IDENTIFIER; - } else if (gh_number_p (sid)) { - yylval.scm = sid; - return NUMBER_IDENTIFIER; - } else if (unsmob_translator_def (sid)) { - yylval.scm = sid; - return TRANSLATOR_IDENTIFIER; - } else if (unsmob_score (sid)) { - yylval.scm =sid; - return SCORE_IDENTIFIER; - } else if (Music * mus =unsmob_music (sid)) { - yylval.scm = sid; + if (is_music_function (sid)) + { + yylval.scm = get_music_function_transform (sid); - return dynamic_cast (mus) ? REQUEST_IDENTIFIER : MUSIC_IDENTIFIER; - } else if (unsmob_duration (sid)) { - yylval.scm = sid; - return DURATION_IDENTIFIER; - } else if (unsmob_music_output_def (sid)) { - yylval.scm = sid; - return MUSIC_OUTPUT_DEF_IDENTIFIER; + return music_function_type (yylval.scm); } - if (sid != SCM_UNDEFINED) { + if (sid != SCM_UNDEFINED) + { yylval.scm = sid; - return SCM_IDENTIFIER; + return identifier_type (sid); } - if ((YYSTATE != notes) && (YYSTATE != chords)) { - SCM pitch = scm_hashq_get_handle (pitchname_tab_, sym); - - if (gh_pair_p (pitch)) - { - yylval.scm = gh_cdr (pitch); - return NOTENAME_PITCH; - } - } String msg (_f ("unknown escaped string: `\\%s'", str)); - LexerError (msg.ch_C ()); + LexerError (msg.to_str0 ()); - yylval.scm = ly_str02scm (str.ch_C ()); + yylval.scm = scm_makfrom0str (str.to_str0 ()); return STRING; } int -My_lily_lexer::scan_bare_word (String str) +Lily_lexer::scan_bare_word (String str) { - SCM sym = ly_symbol2scm (str.ch_C ()); + SCM sym = ly_symbol2scm (str.to_str0 ()); if ((YYSTATE == notes) || (YYSTATE == chords)) { - SCM pitch = scm_hashq_get_handle (pitchname_tab_, sym); - if (gh_pair_p (pitch)) { - yylval.scm = gh_cdr (pitch); - return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH; - } else if ((pitch = scm_hashq_get_handle (chordmodifier_tab_, sym))!= SCM_BOOL_F) + SCM handle = SCM_BOOL_F; + if (ly_c_pair_p (pitchname_tab_stack_)) + handle = scm_hashq_get_handle (ly_car (pitchname_tab_stack_), sym); + + if (ly_c_pair_p (handle)) { + yylval.scm = ly_cdr (handle); + if (unsmob_pitch (yylval.scm)) + return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH; + else if (ly_c_symbol_p (yylval.scm)) + return DRUM_PITCH; + } + else if ((handle = scm_hashq_get_handle (chordmodifier_tab_, sym))!= SCM_BOOL_F) { - yylval.scm = gh_cdr (pitch); - return CHORDMODIFIER_PITCH; + yylval.scm = ly_cdr (handle); + return CHORD_MODIFIER; } } - yylval.scm = ly_str02scm (str.ch_C ()); + yylval.scm = scm_makfrom0str (str.to_str0 ()); return STRING; } bool -My_lily_lexer::note_state_b () const +Lily_lexer::is_note_state () const { return YY_START == notes; } bool -My_lily_lexer::chord_state_b () const +Lily_lexer::is_chord_state () const { return YY_START == chords; } bool -My_lily_lexer::lyric_state_b () const +Lily_lexer::is_lyric_state () const { return YY_START == lyrics; } +bool +Lily_lexer::is_figure_state () const +{ + return YY_START == figures; +} + /* urg, belong to String (_convert) and should be generalised @@ -566,46 +780,52 @@ void strip_leading_white (String&s) { int i=0; - for (; i < s.length_i (); i++) + for (; i < s.length (); i++) if (!isspace (s[i])) break; - s = s.nomid_str (0, i); + s = s.nomid_string (0, i); } void strip_trailing_white (String&s) { - int i=s.length_i (); + int i=s.length (); while (i--) if (!isspace (s[i])) break; - s = s.left_str (i+1); + s = s.left_string (i+1); } +/* 2.1.2x something -> \property -> \set. */ +Lilypond_version oldest_version ("2.2.0"); + bool -valid_version_b (String s) +is_valid_version (String s) { Lilypond_version current ( MAJOR_VERSION "." MINOR_VERSION "." PATCH_LEVEL ); Lilypond_version ver (s); if (! ((ver >= oldest_version) && (ver <= current))) { - non_fatal_error (_f ("incorrect lilypond version: %s (%s, %s)", ver.str (), oldest_version.str (), current.str ())); - non_fatal_error (_ ("Consider converting the input with the convert-ly script")); + non_fatal_error (_f ("Incorrect lilypond version: %s (%s, %s)", ver.to_string (), oldest_version.to_string (), current.to_string ())); + non_fatal_error (_ ("Consider updating the input with the convert-ly script")); return false; } return true; } +/* + substitute _ and \, +*/ String lyric_fudge (String s) { - char * chars =s.copy_ch_p (); + char * chars =s.get_copy_str0 (); for (char * p = chars; *p ; p++) { @@ -617,11 +837,100 @@ lyric_fudge (String s) delete[] chars; int i =0; - if ((i=s.index_i ("\\,")) != -1) // change "\," to TeX's "\c " + if ((i=s.index ("\\,")) != -1) // change "\," to TeX's "\c " { - * (s.ch_l () + i + 1) = 'c'; - s = s.left_str (i+2) + " " + s.right_str (s.length_i ()-i-2); + * (s.get_str0 () + i + 1) = 'c'; + s = s.left_string (i+2) + " " + s.right_string (s.length ()-i-2); } return s; } + +/* +Convert "NUM/DEN" into a '(NUM . DEN) cons. +*/ +SCM +scan_fraction (String frac) +{ + int i = frac.index ('/'); + int l = frac.length (); + String left = frac.left_string (i); + String right = frac.right_string (l - i - 1); + + int n = String_convert::dec2int (left); + int d = String_convert::dec2int (right); + return scm_cons (scm_int2num (n), scm_int2num (d)); +} + +// Breaks for flex 2.5.31 +#if 0 +/* avoid silly flex induced gcc warnings */ +static void yy_push_state (int) {;} +static void yy_pop_state () {;} +static int yy_top_state () { return 0; } + +static void +avoid_silly_flex_induced_gcc_warnings () +{ + (void)yy_start_stack_ptr; + (void)yy_start_stack_depth; + (void)yy_start_stack; + yy_push_state (0); + yy_pop_state (); + yy_top_state (); + avoid_silly_flex_induced_gcc_warnings (); +} +#endif + +SCM +lookup_markup_command (String s) +{ + SCM proc = ly_scheme_function ("lookup-markup-command"); + return scm_call_1 (proc, scm_makfrom0str (s.to_str0 ())); +} + + +int +music_function_type (SCM func) +{ + SCM type= scm_object_property (func, ly_symbol2scm ("music-function-signature-keyword")); + if (type == ly_symbol2scm ("scm")) + { + return MUSIC_FUNCTION_SCM; + } + else if (type == ly_symbol2scm ("music")) + { + return MUSIC_FUNCTION_MUSIC; + } + else if (type == ly_symbol2scm ("scm-music")) + { + return MUSIC_FUNCTION_SCM_MUSIC; + } + else if (type == ly_symbol2scm ("scm-scm")) + { + return MUSIC_FUNCTION_SCM_SCM; + } + else if (type == ly_symbol2scm ("music-music")) + { + return MUSIC_FUNCTION_MUSIC_MUSIC; + } + else if (type == ly_symbol2scm ("scm-music-music")) + { + return MUSIC_FUNCTION_SCM_MUSIC_MUSIC; + } + else if (type == ly_symbol2scm ("scm-scm-music")) + { + return MUSIC_FUNCTION_SCM_SCM_MUSIC; + } + else if (type == ly_symbol2scm ("noarg")) + { + return MUSIC_FUNCTION; + } + else + { + /* TODO: print location */ + error ("Can not find signature for music function."); + } + + return MUSIC_FUNCTION_SCM; +}