source file of the LilyPond music typesetter
- (c) 1996,1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ Jan Nieuwenhuizen <janneke@gnu.org>
*/
lex.backup
contains no backup states, but only the reminder
Compressed tables always back up.
- (don-t forget to rm lex.yy.cc :-)
+ (don-t forget to rm lex.yy.cc :-)
*/
#include <stdio.h>
#include <ctype.h>
+#include <iostream.h> /* gcc 3.0 */
+#include <errno.h>
+
+#include "score.hh"
+#include "lily-guile.hh"
#include "string.hh"
#include "string-convert.hh"
#include "my-lily-lexer.hh"
#include "array.hh"
#include "interval.hh"
+#include "lily-guile.hh"
#include "parser.hh"
#include "debug.hh"
-#include "parseconstruct.hh"
#include "main.hh"
#include "musical-request.hh"
-#include "identifier.hh"
+#include "version.hh"
+#include "lilypond-input-version.hh"
+#include "translator-def.hh"
+#include "music-output-def.hh"
+
+/*
+RH 7 fix (?)
+*/
+#define isatty HORRIBLEKLUDGE
+
void strip_trailing_white (String&);
void strip_leading_white (String&);
+String lyric_fudge (String s);
+
+
+bool
+valid_version_b (String s);
+
+
#define start_quote() \
yy_push_state (quote);\
yylval.string = new String
-#define yylval (*(YYSTYPE*)lexval_l)
+#define yylval \
+ (*(YYSTYPE*)lexval_l)
#define YY_USER_ACTION add_lexed_char (YYLeng ());
/*
*/
+
+SCM scan_fraction (String);
+
%}
%option c++
%option never-interactive
%option warn
+%x version
%x chords
%x incl
%x lyrics
AA {A}|_
N [0-9]
AN {AA}|{N}
-PUNCT [?!:']
+PUNCT [?!:'`]
ACCENT \\[`'"^]
-NATIONAL [\001-\006\021-\027\031\036\200-\377]
+NATIONAL [\001-\006\021-\027\031\036\200-\377]
TEX {AA}|-|{PUNCT}|{ACCENT}|{NATIONAL}
WORD {A}{AN}*
ALPHAWORD {A}+
DIGIT {N}
UNSIGNED {N}+
+FRACTION {N}+\/{N}+
INT -?{UNSIGNED}
REAL ({INT}\.{N}*)|(-?\.{N}+)
KEYWORD \\{WORD}
NOTECOMMAND \\{A}+
LYRICS ({AA}|{TEX})[^0-9 \t\n\f]*
ESCAPED [nt\\'"]
-PLET \\\[
-TELP \\\]
-EXTENDER [_][_]
-
+EXTENDER __
+HYPHEN --
%%
}
}
+<INITIAL,chords,lyrics,notes>\\version{WHITE}* {
+ yy_push_state (version);
+}
+<version>\"[^"]*\" { /* got the version number */
+ String s (YYText ()+1);
+ s = s.left_str (s.index_last_i ('"'));
+
+ yy_pop_state ();
+ if (!valid_version_b (s))
+ return INVALID;
+}
+<version>. {
+ LexerError ("No quoted string found after \\version");
+ yy_pop_state ();
+}
<longcomment>{
[^\%]* {
}
<INITIAL,chords,lyrics,notes>\\maininput {
- start_main_input ();
+ if (!main_input_b_)
+ {
+ start_main_input ();
+ main_input_b_ = true;
+ }
+ else
+ error (_ ("\\maininput disallowed outside init files"));
}
<INITIAL,chords,lyrics,notes>\\include {
<incl>\"[^"]*\";? { /* got the include file name */
String s (YYText ()+1);
s = s.left_str (s.index_last_i ('"'));
- DOUT << "#include `" << s << "\'\n";
+
new_input (s,source_global_l);
yy_pop_state ();
}
strip_trailing_white (s);
if (s.length_i () && (s[s.length_i () - 1] == ';'))
s = s.left_str (s.length_i () - 1);
- DOUT << "#include `\\" << s << "'\n";
- Identifier * id = lookup_identifier (s);
- if (id)
- {
- String* s_l = id->access_content_String (false);
- DOUT << "#include `" << *s_l << "\'\n";
- new_input (*s_l, source_global_l);
-
- yy_pop_state ();
- }
- else
- {
- String msg (_f ("undefined identifier: `%s\'", s ));
+
+ SCM sid = lookup_identifier (s);
+ if (gh_string_p (sid)) {
+ new_input (ly_scm2string (sid), source_global_l);
+ yy_pop_state ();
+ } else {
+ String msg (_f ("wrong or undefined identifier: `%s'", s ));
+
LexerError (msg.ch_C ());
+ SCM err = scm_current_error_port ();
+ scm_puts ("This value was found in the table: ", err);
+ scm_display (sid, err);
}
}
<incl>\"[^"]* { // backup rule
- cerr << _ ("missing end quote") << endl;
+ cerr << _ ("Missing end quote") << endl;
exit (1);
}
-<notes>{RESTNAME} {
+<chords,notes>{RESTNAME} {
const char *s = YYText ();
- yylval.string = new String (s);
- DOUT << "rest:"<< yylval.string;
+ yylval.scm = ly_str02scm (s);
return RESTNAME;
}
-<notes>R {
- return MEASURES;
+<chords,notes>R {
+ return MULTI_MEASURE_REST;
}
<INITIAL,chords,lyrics,notes>\\\${BLACK}*{WHITE} {
String s=YYText () + 2;
cerr << _ ("white expected") << endl;
exit (1);
}
+
+<INITIAL,chords,lyrics,notes># { //embedded scm
+ //char const* s = YYText () + 1;
+ char const* s = here_ch_C ();
+ 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);
+
+ for (int i=0; i < n; i++)
+ {
+ yyinput ();
+ }
+ char_count_stack_.top () += n;
+
+ return SCM_T;
+}
<notes>{
{ALPHAWORD} {
return scan_bare_word (YYText ());
{NOTECOMMAND} {
return scan_escaped_word (YYText () + 1);
}
+ {FRACTION} {
+ yylval.scm = scan_fraction (YYText ());
+ return FRACTION;
+ }
{DIGIT} {
yylval.i = String_convert::dec2_i (String (YYText ()));
return DIGIT;
}
-
{UNSIGNED} {
yylval.i = String_convert::dec2_i (String (YYText ()));
return UNSIGNED;
}
<quote>{
\\{ESCAPED} {
- *yylval.string += to_str (escaped_char(YYText()[1]));
+ *yylval.string += to_str (escaped_char (YYText ()[1]));
}
[^\\"]+ {
*yylval.string += YYText ();
}
\" {
- DOUT << "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 ());
+ delete sp;
return STRING;
}
. {
\" {
start_quote ();
}
+ {FRACTION} {
+ yylval.scm = scan_fraction (YYText ());
+ return FRACTION;
+ }
{UNSIGNED} {
yylval.i = String_convert::dec2_i (String (YYText ()));
return UNSIGNED;
String s (YYText ());
if (s == "__")
return yylval.i = EXTENDER;
- int i = 0;
- while ((i=s.index_i ("_")) != -1) // change word binding "_" to " "
- *(s.ch_l () + i) = ' ';
- if ((i=s.index_i ("\\,")) != -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);
- }
- yylval.string = new String (s);
- DOUT << "lyric : `" << s << "'\n";
+ if (s == "--")
+ return yylval.i = HYPHEN;
+ s = lyric_fudge (s);
+
+ char c = s[s.length_i () - 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 ());
+
+
return STRING;
}
. {
- return yylval.c = YYText ()[0];
+ return YYText ()[0];
}
}
<chords>{
{ALPHAWORD} {
return scan_bare_word (YYText ());
}
+ {NOTECOMMAND} {
+ return scan_escaped_word (YYText () + 1);
+ }
+ {FRACTION} {
+ yylval.scm = scan_fraction (YYText ());
+ return FRACTION;
+ }
{UNSIGNED} {
yylval.i = String_convert::dec2_i (String (YYText ()));
return UNSIGNED;
}
+ \" {
+ start_quote ();
+ }
+ - {
+ return CHORD_MINUS;
+ }
+ : {
+ return CHORD_COLON;
+ }
+ \/\+ {
+ return CHORD_BASS;
+ }
+ \^ {
+ return CHORD_CARET;
+ }
. {
- return yylval.c = YYText ()[0];
+ return YYText ()[0];
}
}
<<EOF>> {
- DOUT << "<<eof>>";
+
if (! close_input ()) {
yyterminate (); // can't move this, since it actually rets a YY_NULL
Real r;
int cnv=sscanf (YYText (), "%lf", &r);
assert (cnv == 1);
- DOUT << "REAL" << r<<'\n';
- yylval.real = r;
+
+ yylval.scm = gh_double2scm (r);
return REAL;
}
[{}] {
- DOUT << "parens\n";
return YYText ()[0];
}
[*:=] {
char c = YYText ()[0];
- DOUT << "misc char" <<c<<"\n";
- return c;
-}
-<lyrics,notes>{PLET} {
- return yylval.i = PLET;
-}
-
-<lyrics,notes>{TELP} {
- return yylval.i = TELP;
+ return c;
}
<INITIAL,notes>. {
- return yylval.c = YYText ()[0];
+ return YYText ()[0];
}
<INITIAL,lyrics,notes>\\. {
char c= YYText ()[1];
- yylval.c = c;
+
switch (c) {
case '>':
return E_BIGGER;
return E_SMALLER;
case '!':
return E_EXCLAMATION;
+ case '\\':
+ return E_BACKSLASH;
+ case '(':
+ return E_OPEN;
+ case ')':
+ return E_CLOSE;
default:
return E_CHAR;
}
}
<*>. {
- String msg = _f ("illegal character: `%c\'", YYText ()[0]);
+ String msg = _f ("invalid character: `%c'", YYText ()[0]);
LexerError (msg.ch_C ());
return YYText ()[0];
}
int
My_lily_lexer::scan_escaped_word (String str)
-{
- DOUT << "\\word: `" << str<<"'\n";
+{
+ // use more SCM for this.
+
+ SCM sym = ly_symbol2scm (str.ch_C ());
+
int l = lookup_keyword (str);
if (l != -1) {
- DOUT << "(keyword)\n";
return l;
}
- Identifier * id = lookup_identifier (str);
- if (id) {
- DOUT << "(identifier)\n";
- yylval.id = id;
- return id->token_code_i_;
+ 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;
+
+ return dynamic_cast<Request*> (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;
+ }
+
+ if (sid != SCM_UNDEFINED) {
+ yylval.scm = sid;
+ return SCM_IDENTIFIER;
}
+
if ((YYSTATE != notes) && (YYSTATE != chords)) {
- if (notename_b (str))
- {
- yylval.pitch = new Musical_pitch (lookup_pitch (str));
- yylval.pitch->set_spot (Input (source_file_l (),
- here_ch_C ()));
+ SCM pitch = scm_hashq_get_handle (pitchname_tab_, sym);
+
+ if (gh_pair_p (pitch))
+ {
+ yylval.scm = gh_cdr (pitch);
return NOTENAME_PITCH;
- }
+ }
}
- if (check_debug)
- print_declarations (true);
- String msg (_f ("unknown escaped string: `\\%s\'", str));
+ String msg (_f ("unknown escaped string: `\\%s'", str));
LexerError (msg.ch_C ());
- DOUT << "(string)";
- String *sp = new String (str);
- yylval.string=sp;
+
+ yylval.scm = ly_str02scm (str.ch_C ());
+
return STRING;
}
int
My_lily_lexer::scan_bare_word (String str)
{
- DOUT << "word: `" << str<< "'\n";
+ SCM sym = ly_symbol2scm (str.ch_C ());
if ((YYSTATE == notes) || (YYSTATE == chords)) {
- if (notename_b (str)) {
- DOUT << "(notename)\n";
- yylval.pitch = new Musical_pitch (lookup_pitch (str));
- yylval.pitch->set_spot (Input (source_file_l (),
- here_ch_C ()));
- return NOTENAME_PITCH;
+ 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)
+ {
+ yylval.scm = gh_cdr (pitch);
+ return CHORDMODIFIER_PITCH;
}
}
- yylval.string=new String (str);
+ yylval.scm = ly_str02scm (str.ch_C ());
return STRING;
}
}
/*
- urg, belong to String(_convert)
+ urg, belong to String (_convert)
and should be generalised
*/
void
s = s.left_str (i+1);
}
+
+
+Lilypond_version oldest_version ("1.3.59");
+
+void
+print_lilypond_versions (ostream &os)
+{
+ os << _f ("Oldest supported input version: %s", oldest_version.str ())
+ << endl;
+}
+
+
+bool
+valid_version_b (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"));
+ return false;
+ }
+ return true;
+}
+
+
+String
+lyric_fudge (String s)
+{
+ char * chars =s.copy_ch_p ();
+
+ for (char * p = chars; *p ; p++)
+ {
+ if (*p == '_' && (p == chars || *(p-1) != '\\'))
+ *p = ' ';
+ }
+
+ s = String (chars);
+ delete[] chars;
+
+ int i =0;
+ if ((i=s.index_i ("\\,")) != -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);
+ }
+
+ return s;
+}
+
+/*
+Convert "NUM/DEN" into a '(NUM . DEN) cons.
+*/
+SCM
+scan_fraction (String frac)
+{
+ int i = frac.index_i ('/');
+ int l = frac.length_i ();
+ String left = frac.left_str (i);
+ String right = frac.right_str (l - i - 1);
+
+ int n = String_convert::dec2_i (left);
+ int d = String_convert::dec2_i (right);
+ return gh_cons (gh_int2scm (n), gh_int2scm (d));
+}
+
projects / lilypond.git / blobdiff