/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1996--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1996--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
LilyPond is free software: you can redistribute it and/or modify
yylval = SCM_EOL; \
} while (0)
+/*
+ The inside of \"violin1" is marked by commandquote mode
+*/
+
+#define start_command_quote() do { \
+ yy_push_state (commandquote); \
+ yylval = SCM_EOL; \
+ } while (0)
+
#define yylval (*lexval_)
#define yylloc (*lexloc_)
%option never-interactive
%option warn
-%x extratoken
%x chords
%x figures
%x incl
%x markup
%x notes
%x quote
+%x commandquote
%x sourcefileline
%x sourcefilename
%x version
ANY_CHAR (.|\n)
WORD {A}([-_]{A}|{A})*
COMMAND \\{WORD}
-
+/* SPECIAL category is for every letter that needs to get passed to
+ * the parser rather than being redefinable by the user */
+SPECIAL [-+*/=<>{}!?_^'',.:]
+SHORTHAND (.|\\.)
UNSIGNED {N}+
E_UNSIGNED \\{N}+
FRACTION {N}+\/{N}+
INT -?{UNSIGNED}
REAL ({INT}\.{N}*)|(-?\.{N}+)
+STRICTREAL {UNSIGNED}\.{UNSIGNED}
WHITE [ \n\t\f\r]
HORIZONTALWHITE [ \t]
BLACK [^ \n\t\f\r]
// swallow and ignore carriage returns
}
-<extratoken>{ANY_CHAR} {
- /* Generate a token without swallowing anything */
-
- /* First unswallow the eaten character */
- add_lexed_char (-YYLeng ());
- yyless (0);
-
- /* produce requested token */
- int type = scm_to_int (scm_caar (extra_tokens_));
- yylval = scm_cdar (extra_tokens_);
- extra_tokens_ = scm_cdr (extra_tokens_);
- if (scm_is_null (extra_tokens_))
- yy_pop_state ();
-
- return type;
-}
-
-<extratoken><<EOF>> {
- /* Generate a token without swallowing anything */
-
- /* produce requested token */
- int type = scm_to_int (scm_caar (extra_tokens_));
- yylval = scm_cdar (extra_tokens_);
- extra_tokens_ = scm_cdr (extra_tokens_);
- if (scm_is_null (extra_tokens_))
- yy_pop_state ();
-
- return type;
-}
-
/* Use the trailing context feature. Otherwise, the BOM will not be
found if the file starts with an identifier definition. */
<INITIAL,chords,lyrics,figures,notes>{BOM_UTF8}/.* {
}
}
<incl>(\$|#) { // scm for the filename
- int n = 0;
Input hi = here_input();
hi.step_forward ();
- SCM sval = ly_parse_scm (hi.start (), &n, hi,
- be_safe_global && is_main_input_, parser_);
- sval = eval_scm (sval);
+ SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_);
+ sval = eval_scm (sval, hi);
+ int n = hi.end () - hi.start ();
for (int i = 0; i < n; i++)
{
return MULTI_MEASURE_REST;
}
<INITIAL,chords,figures,lyrics,markup,notes># { //embedded scm
- int n = 0;
Input hi = here_input();
hi.step_forward ();
- SCM sval = ly_parse_scm (hi.start (), &n, hi,
- be_safe_global && is_main_input_, parser_);
+ SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_);
if (sval == SCM_UNDEFINED)
error_level_ = 1;
+ int n = hi.end () - hi.start ();
for (int i = 0; i < n; i++)
{
yyinput ();
}
<INITIAL,chords,figures,lyrics,markup,notes>\$ { //immediate scm
- int n = 0;
Input hi = here_input();
hi.step_forward ();
- SCM sval = ly_parse_scm (hi.start (), &n, hi,
- be_safe_global && is_main_input_, parser_);
+ SCM sval = ly_parse_scm (hi, be_safe_global && is_main_input_, parser_);
+
+ int n = hi.end () - hi.start ();
for (int i = 0; i < n; i++)
{
}
char_count_stack_.back () += n;
- sval = eval_scm (sval, '$');
+ sval = eval_scm (sval, hi, '$');
int token = scan_scm_id (sval);
if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
yylval = SCM_UNSPECIFIED;
return FIGURE_OPEN;
}
+ \\\+ {
+ yylval = SCM_UNSPECIFIED;
+ return E_PLUS;
+ }
+ \\! {
+ yylval = SCM_UNSPECIFIED;
+ return E_EXCLAMATION;
+ }
+ \\\\ {
+ yylval = SCM_UNSPECIFIED;
+ return E_BACKSLASH;
+ }
+ [][] {
+ yylval = SCM_UNSPECIFIED;
+ return YYText ()[0];
+ }
}
<notes,figures>{
{WORD} {
return scan_bare_word (YYText_utf8 ());
}
-
+ \\\" {
+ start_command_quote ();
+ }
{COMMAND}/[-_] | // backup rule
{COMMAND} {
return scan_escaped_word (YYText_utf8 () + 1);
yylval = scan_fraction (YYText ());
return FRACTION;
}
- {UNSIGNED}/\/ | // backup rule
- {UNSIGNED} {
+ {STRICTREAL} {
+ yylval = scm_c_read_string (YYText ());
+ return REAL;
+ }
+ {UNSIGNED}/[/.] | // backup rule
+ {UNSIGNED} {
yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
}
}
-<quote>{
+<quote,commandquote>{
\\{ESCAPED} {
char c = escaped_char (YYText ()[1]);
yylval = scm_cons (scm_from_locale_stringn (&c, 1),
}
\" {
- yy_pop_state ();
-
/* yylval is union. Must remember STRING before setting SCM*/
yylval = scm_string_concatenate_reverse (yylval,
SCM_UNDEFINED,
SCM_UNDEFINED);
+ if (get_state () == commandquote) {
+ yy_pop_state ();
+ return scan_escaped_word (ly_scm2string (yylval));
+ }
+
+ yy_pop_state ();
+
return STRING;
}
\\ {
yylval = scan_fraction (YYText ());
return FRACTION;
}
- {UNSIGNED}/\/ | // backup rule
+ {STRICTREAL} {
+ yylval = scm_c_read_string (YYText ());
+ return REAL;
+ }
+ {UNSIGNED}/[/.] | // backup rule
{UNSIGNED} {
yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
+ \\\" {
+ start_command_quote ();
+ }
{COMMAND}/[-_] | // backup rule
{COMMAND} {
return scan_escaped_word (YYText_utf8 () + 1);
}
- /* Characters needed to express durations, assignments, barchecks */
- [*.=|] {
+ \\.|\| {
+ // UTF-8 already covered by COMMAND
+ return scan_shorthand (YYText ());
+ }
+ /* Characters needed to express durations, assignments */
+ [*.=] {
yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
- [^$#{}\"\\ \t\n\r\f0-9]+ {
+ [^|*.=$#{}\"\\ \t\n\r\f0-9][^$#{}\"\\ \t\n\r\f0-9]* {
/* ugr. This sux. */
string s (YYText_utf8 ());
yylval = SCM_UNSPECIFIED;
return STRING;
}
/* This should really just cover {} */
- . {
+ [{}] {
yylval = SCM_UNSPECIFIED;
- return YYText ()[0]; // above catches all multibytes.
+ return YYText ()[0];
}
}
<chords>{
{WORD} {
return scan_bare_word (YYText_utf8 ());
}
+ \\\" {
+ start_command_quote ();
+ }
{COMMAND}/[-_] | // backup rule
{COMMAND} {
return scan_escaped_word (YYText_utf8 () + 1);
yylval = SCM_UNSPECIFIED;
return CHORD_CARET;
}
- . {
- yylval = SCM_UNSPECIFIED;
- return YYText ()[0]; // WORD catches all multibyte.
- }
}
yylval = SCM_UNSPECIFIED;
return SCORE;
}
+ \\score-lines {
+ yylval = SCM_UNSPECIFIED;
+ return SCORELINES;
+ }
+ \\\" {
+ start_command_quote ();
+ }
{COMMAND}/[-_] | // backup rule
{COMMAND} {
string str (YYText_utf8 () + 1);
// value (for token type MARKUP_FUNCTION or
// MARKUP_LIST_FUNCTION).
- push_extra_token(EXPECT_NO_MORE_ARGS);
+ push_extra_token (here_input (), EXPECT_NO_MORE_ARGS);
s = scm_cdr(s);
for (; scm_is_pair(s); s = scm_cdr(s)) {
SCM predicate = scm_car(s);
if (predicate == ly_lily_module_constant ("markup-list?"))
- push_extra_token(EXPECT_MARKUP_LIST);
+ push_extra_token (here_input (), EXPECT_MARKUP_LIST);
else if (predicate == ly_lily_module_constant ("markup?"))
- push_extra_token(EXPECT_MARKUP);
+ push_extra_token (here_input (), EXPECT_MARKUP);
else
- push_extra_token(EXPECT_SCM, predicate);
+ push_extra_token (here_input (), EXPECT_SCM, predicate);
}
return token_type;
}
yylval = ly_string2scm (s);
return STRING;
}
- . {
+ [{}] {
yylval = SCM_UNSPECIFIED;
- return YYText ()[0]; // Above is catchall for multibyte
+ return YYText ()[0];
}
}
yy_pop_state ();
}
-<quote><<EOF>> {
+<quote,commandquote><<EOF>> {
LexerError (_ ("EOF found inside string").c_str ());
yy_pop_state ();
}
{
LexerError (_ ("Unfinished main input").c_str ());
do {
- pop_state ();
+ yy_pop_state ();
} while (YYSTATE != maininput);
}
- pop_state ();
+ extra_tokens_ = SCM_EOL;
+ yy_pop_state ();
}
if (!close_input () || !is_main_input_)
/* Returns YY_NULL */
yyterminate ();
}
-<maininput>. {
+<maininput>{ANY_CHAR} {
while (include_stack_.size () > main_input_level_
&& close_input ())
;
{WORD} {
return scan_bare_word (YYText_utf8 ());
}
+ \\\" {
+ start_command_quote ();
+ }
{COMMAND}/[-_] | // backup rule
{COMMAND} {
return scan_escaped_word (YYText_utf8 () + 1);
}
-[{}] {
- yylval = SCM_UNSPECIFIED;
- return YYText ()[0];
-}
-
--/\. | // backup rule
-[*:=] {
+-/\. { // backup rule
yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
-<INITIAL,notes,figures>. {
+<INITIAL,chords,lyrics,figures,notes>{SPECIAL} {
yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
-<INITIAL,lyrics,notes,figures>\\. {
- yylval = SCM_UNSPECIFIED;
- char c = YYText ()[1];
-
- switch (c) {
- case '>':
- return E_ANGLE_CLOSE;
- case '<':
- return E_ANGLE_OPEN;
- case '!':
- return E_EXCLAMATION;
- case '(':
- return E_OPEN;
- case ')':
- return E_CLOSE;
- case '[':
- return E_BRACKET_OPEN;
- case '+':
- return E_PLUS;
- case ']':
- return E_BRACKET_CLOSE;
- case '~':
- return E_TILDE;
- case '\\':
- return E_BACKSLASH;
-
- default:
- return E_CHAR;
- }
+<INITIAL,chords,lyrics,figures,notes>{SHORTHAND} {
+ return scan_shorthand (YYText_utf8 ()); // should not be utf-8
}
<*>.[\200-\277]* {
/* Make the lexer generate a token of the given type as the next token.
TODO: make it possible to define a value for the token as well */
void
-Lily_lexer::push_extra_token (int token_type, SCM scm)
+Lily_lexer::push_extra_token (Input const &where, int token_type, SCM scm)
+{
+ extra_tokens_ = scm_cons (scm_cons2 (make_input (where),
+ scm_from_int (token_type),
+ scm), extra_tokens_);
+}
+
+int
+Lily_lexer::pop_extra_token ()
{
if (scm_is_null (extra_tokens_))
- {
- if (YY_START != extratoken)
- hidden_state_ = YY_START;
- yy_push_state (extratoken);
- }
- extra_tokens_ = scm_acons (scm_from_int (token_type), scm, extra_tokens_);
+ return -1;
+
+ /* produce requested token */
+ yylloc = *Input::unsmob (scm_caar (extra_tokens_));
+ int type = scm_to_int (scm_cadar (extra_tokens_));
+ yylval = scm_cddar (extra_tokens_);
+ extra_tokens_ = scm_cdr (extra_tokens_);
+ return type;
}
void
void
Lily_lexer::push_note_state (SCM alist)
{
- bool extra = (YYSTATE == extratoken);
-
SCM p = scm_assq (alist, pitchname_tab_stack_);
- if (extra)
- yy_pop_state ();
-
if (scm_is_false (p))
p = scm_cons (alist, alist_to_hashq (alist));
pitchname_tab_stack_ = scm_cons (p, pitchname_tab_stack_);
yy_push_state (notes);
-
- if (extra) {
- hidden_state_ = YYSTATE;
- yy_push_state (extratoken);
- }
}
void
Lily_lexer::pop_state ()
{
- bool extra = (YYSTATE == extratoken);
-
- if (extra)
- yy_pop_state ();
-
if (YYSTATE == notes || YYSTATE == chords)
pitchname_tab_stack_ = scm_cdr (pitchname_tab_stack_);
- yy_pop_state ();
+ // don't cross the maininput threshold
+ if (YYSTATE != maininput)
+ yy_pop_state ();
- if (extra) {
- hidden_state_ = YYSTATE;
- yy_push_state (extratoken);
- }
}
int
int
-Lily_lexer::scan_escaped_word (string str)
+Lily_lexer::scan_escaped_word (const string &str)
{
// use more SCM for this.
return i;
SCM sid = lookup_identifier (str);
- if (Music *m = unsmob_music (sid))
+ if (Music *m = Music::unsmob (sid))
{
- m->set_spot (override_input (last_input_));
+ m->set_spot (override_input (here_input ()));
}
if (sid != SCM_UNDEFINED)
return STRING;
}
+int
+Lily_lexer::scan_shorthand (const string &str)
+{
+ SCM sid = lookup_identifier (str);
+ if (Music *m = Music::unsmob (sid))
+ {
+ m->set_spot (override_input (here_input ()));
+ }
+
+ if (sid != SCM_UNDEFINED)
+ return scan_scm_id (sid);
+
+ string msg (_f ("undefined character or shorthand: %s", str));
+ LexerError (msg.c_str ());
+
+ yylval = ly_string2scm (str);
+
+ return STRING;
+}
+
int
Lily_lexer::scan_scm_id (SCM sid)
{
funtype = SCM_FUNCTION;
else programming_error ("Bad syntax function predicate");
- push_extra_token (EXPECT_NO_MORE_ARGS);
+ push_extra_token (here_input (), EXPECT_NO_MORE_ARGS);
for (s = scm_cdr (s); scm_is_pair (s); s = scm_cdr (s))
{
SCM optional = SCM_UNDEFINED;
cs = SCM_CAR (cs);
}
- if (cs == Pitch_type_p_proc)
- push_extra_token (EXPECT_PITCH);
- else if (cs == Duration_type_p_proc)
- push_extra_token (EXPECT_DURATION);
- else if (ly_is_procedure (cs))
- push_extra_token (EXPECT_SCM, cs);
+ if (ly_is_procedure (cs))
+ push_extra_token (here_input (), EXPECT_SCM, cs);
else
{
programming_error ("Function parameter without type-checking predicate");
continue;
}
if (!scm_is_eq (optional, SCM_UNDEFINED))
- push_extra_token (EXPECT_OPTIONAL, optional);
+ push_extra_token (here_input (), EXPECT_OPTIONAL, optional);
}
return funtype;
}
}
int
-Lily_lexer::scan_bare_word (string str)
+Lily_lexer::scan_bare_word (const string &str)
{
SCM sym = ly_symbol2scm (str.c_str ());
if ((YYSTATE == notes) || (YYSTATE == chords)) {
if (scm_is_pair (handle)) {
yylval = scm_cdr (handle);
- if (unsmob_pitch (yylval))
+ if (Pitch::unsmob (yylval))
return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH;
else if (scm_is_symbol (yylval))
return DRUM_PITCH;
int
Lily_lexer::get_state () const
{
- if (YY_START == extratoken)
- return hidden_state_;
- else
- return YY_START;
+ return YY_START;
}
bool
// this function is private.
SCM
-Lily_lexer::eval_scm (SCM readerdata, char extra_token)
+Lily_lexer::eval_scm (SCM readerdata, Input hi, char extra_token)
{
SCM sval = SCM_UNDEFINED;
if (!SCM_UNBNDP (readerdata))
{
- sval = ly_eval_scm (scm_car (readerdata),
- *unsmob_input (scm_cdr (readerdata)),
+ sval = ly_eval_scm (readerdata,
+ hi,
be_safe_global && is_main_input_,
parser_);
}
p = scm_cdr (p))
{
SCM v = scm_car (p);
- if (Music *m = unsmob_music (v))
+ if (Music *m = Music::unsmob (v))
{
- if (!unsmob_input (m->get_property ("origin")))
- m->set_spot (override_input (last_input_));
+ if (!Input::unsmob (m->get_property ("origin")))
+ m->set_spot (override_input (here_input ()));
}
int token;
case '$':
token = scan_scm_id (v);
if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
- push_extra_token (token, yylval);
+ push_extra_token (here_input (),
+ token, yylval);
break;
case '#':
- push_extra_token (SCM_IDENTIFIER, v);
+ push_extra_token (here_input (),
+ SCM_IDENTIFIER, v);
break;
}
}
sval = SCM_UNSPECIFIED;
}
- if (Music *m = unsmob_music (sval))
+ if (Music *m = Music::unsmob (sval))
{
- if (!unsmob_input (m->get_property ("origin")))
- m->set_spot (override_input (last_input_));
+ if (!Input::unsmob (m->get_property ("origin")))
+ m->set_spot (override_input (here_input ()));
}
return sval;