#include <stdio.h>
#include <ctype.h>
+#include <iostream.h> /* gcc 3.0 */
+#include <errno.h>
+
#include "score.hh"
#include "lily-guile.hh"
*/
+
+SCM scan_fraction (String);
+
%}
%option c++
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}
ALPHAWORD {A}+
DIGIT {N}
UNSIGNED {N}+
+FRACTION {N}+\/{N}+
INT -?{UNSIGNED}
REAL ({INT}\.{N}*)|(-?\.{N}+)
KEYWORD \\{WORD}
<INITIAL,chords,lyrics,notes>\\version{WHITE}* {
yy_push_state (version);
}
-<version>\"[^"]*\";? { /* got the include file name */
+<version>\"[^"]*\" { /* got the version number */
String s (YYText ()+1);
s = s.left_str (s.index_last_i ('"'));
- DEBUG_OUT << "#version `" << s << "'\n";
+
yy_pop_state ();
if (!valid_version_b (s))
return INVALID;
<incl>\"[^"]*\";? { /* got the include file name */
String s (YYText ()+1);
s = s.left_str (s.index_last_i ('"'));
- DEBUG_OUT << "#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);
- DEBUG_OUT << "#include `\\" << s << "'\n";
+
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 ));
+ 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
{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.string += YYText ();
}
\" {
- DEBUG_OUT << "quoted string: `" << *yylval.string << "'\n";
+
yy_pop_state ();
/* yylval is union. Must remember STRING before setting SCM*/
\" {
start_quote ();
}
+ {FRACTION} {
+ yylval.scm = scan_fraction (YYText ());
+ return FRACTION;
+ }
{UNSIGNED} {
yylval.i = String_convert::dec2_i (String (YYText ()));
return UNSIGNED;
_ ("Brace found at end of lyric. Did you forget a space?"));
yylval.scm = ly_str02scm (s.ch_C ());
- DEBUG_OUT << "lyric : `" << s << "'\n";
+
return STRING;
}
. {
{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;
}
<<EOF>> {
- DEBUG_OUT << "<<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);
- DEBUG_OUT << "REAL" << r<<'\n';
- yylval.real = r;
+
+ yylval.scm = gh_double2scm (r);
return REAL;
}
}
[{}] {
- DEBUG_OUT << "parens\n";
+
return YYText ()[0];
}
[*:=] {
char c = YYText ()[0];
- DEBUG_OUT << "misc char" <<c<<"\n";
+
return c;
}
return E_SMALLER;
case '!':
return E_EXCLAMATION;
+ case '\\':
+ return E_BACKSLASH;
case '(':
return E_OPEN;
case ')':
+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)
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));
+}
+