bool is_valid_version (string s);
-#define start_quote() \
- yy_push_state (quote);\
- yylval.string = new string
+#define start_quote() do { \
+ yy_push_state (quote); \
+ yylval = SCM_EOL; \
+ } while (0)
-#define start_lyric_quote() \
- yy_push_state (lyric_quote);\
- yylval.string = new string
+#define start_lyric_quote() do { \
+ yy_push_state (lyric_quote); \
+ yylval = SCM_EOL; \
+ } while (0)
#define yylval (*lexval_)
/* produce requested token */
int type = scm_to_int (scm_caar (extra_tokens_));
- yylval.scm = scm_cdar (extra_tokens_);
+ yylval = scm_cdar (extra_tokens_);
extra_tokens_ = scm_cdr (extra_tokens_);
if (scm_is_null (extra_tokens_))
yy_pop_state ();
/* produce requested token */
int type = scm_to_int (scm_caar (extra_tokens_));
- yylval.scm = scm_cdar (extra_tokens_);
+ yylval = scm_cdar (extra_tokens_);
extra_tokens_ = scm_cdr (extra_tokens_);
if (scm_is_null (extra_tokens_))
yy_pop_state ();
SCM top_scope = scm_car (scm_last_pair (scopes_));
scm_module_define (top_scope, ly_symbol2scm ("version-seen"), SCM_BOOL_T);
- if (!is_valid_version (s))
+ if (!is_valid_version (s)) {
+ yylval = SCM_UNSPECIFIED;
return INVALID;
-
-
+ }
}
<sourcefilename>\"[^""]*\" {
string s (YYText_utf8 () + 1);
<chords,notes,figures>{RESTNAME}/[-_] | // pseudo backup rule
<chords,notes,figures>{RESTNAME} {
char const *s = YYText ();
- yylval.scm = scm_from_locale_string (s);
+ yylval = scm_from_locale_string (s);
return RESTNAME;
}
<chords,notes,figures>q/[-_] | // pseudo backup rule
<chords,notes,figures>q {
+ yylval = SCM_UNSPECIFIED;
return CHORD_REPETITION;
}
<chords,notes,figures>R/[-_] | // pseudo backup rule
<chords,notes,figures>R {
+ yylval = SCM_UNSPECIFIED;
return MULTI_MEASURE_REST;
}
<INITIAL,chords,figures,lyrics,markup,notes># { //embedded scm
}
char_count_stack_.back () += n;
- yylval.scm = sval;
+ yylval = sval;
return SCM_TOKEN;
}
sval = eval_scm (sval, '$');
int token = scan_scm_id (sval);
- if (!scm_is_eq (yylval.scm, SCM_UNSPECIFIED))
+ if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
return token;
}
<INITIAL,notes,lyrics>{
\<\< {
+ yylval = SCM_UNSPECIFIED;
return DOUBLE_ANGLE_OPEN;
}
\>\> {
+ yylval = SCM_UNSPECIFIED;
return DOUBLE_ANGLE_CLOSE;
}
}
<INITIAL,notes>{
\< {
+ yylval = SCM_UNSPECIFIED;
return ANGLE_OPEN;
}
\> {
+ yylval = SCM_UNSPECIFIED;
return ANGLE_CLOSE;
}
}
<figures>{
_ {
+ yylval = SCM_UNSPECIFIED;
return FIGURE_SPACE;
}
\> {
+ yylval = SCM_UNSPECIFIED;
return FIGURE_CLOSE;
}
\< {
+ yylval = SCM_UNSPECIFIED;
return FIGURE_OPEN;
}
}
return scan_escaped_word (YYText_utf8 () + 1);
}
{FRACTION} {
- yylval.scm = scan_fraction (YYText ());
+ yylval = scan_fraction (YYText ());
return FRACTION;
}
{UNSIGNED}/\/ | // backup rule
{UNSIGNED} {
- yylval.scm = scm_c_read_string (YYText ());
+ yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
{E_UNSIGNED} {
- yylval.i = String_convert::dec2int (string (YYText () +1));
+ yylval = scm_c_read_string (YYText () + 1);
return E_UNSIGNED;
}
}
<quote,lyric_quote>{
\\{ESCAPED} {
- *yylval.string += to_string (escaped_char (YYText ()[1]));
+ char c = escaped_char (YYText ()[1]);
+ yylval = scm_cons (scm_from_locale_stringn (&c, 1),
+ yylval);
}
[^\\""]+ {
- *yylval.string += YYText_utf8 ();
+ yylval = scm_cons (scm_from_locale_string (YYText_utf8 ()),
+ yylval);
}
\" {
yy_pop_state ();
/* yylval is union. Must remember STRING before setting SCM*/
- string *sp = yylval.string;
- yylval.scm = ly_string2scm (*sp);
- delete sp;
+
+ yylval = scm_string_concatenate_reverse (yylval,
+ SCM_UNDEFINED,
+ SCM_UNDEFINED);
+
return is_lyric_state () ? LYRICS_STRING : STRING;
}
\\ {
- *yylval.string += YYText ();
+ yylval = scm_cons (scm_from_locale_string (YYText ()),
+ yylval);
}
}
start_lyric_quote ();
}
{FRACTION} {
- yylval.scm = scan_fraction (YYText ());
+ yylval = scan_fraction (YYText ());
return FRACTION;
}
{UNSIGNED}/\/ | // backup rule
{UNSIGNED} {
- yylval.scm = scm_c_read_string (YYText ());
+ yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
{COMMAND}/[-_] | // backup rule
}
{LYRICS} {
/* ugr. This sux. */
- string s (YYText_utf8 ());
+ string s (YYText_utf8 ());
+ yylval = SCM_UNSPECIFIED;
if (s == "__")
- return yylval.i = EXTENDER;
+ return EXTENDER;
if (s == "--")
- return yylval.i = HYPHEN;
+ return HYPHEN;
s = lyric_fudge (s);
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_string2scm (s);
+ yylval = ly_string2scm (s);
return LYRICS_STRING;
}
. {
+ yylval = SCM_UNSPECIFIED;
return YYText ()[0]; // LYRICS already catches all multibytes.
}
}
return scan_escaped_word (YYText_utf8 () + 1);
}
{FRACTION} {
- yylval.scm = scan_fraction (YYText ());
+ yylval = scan_fraction (YYText ());
return FRACTION;
}
{UNSIGNED}/\/ | // backup rule
{UNSIGNED} {
- yylval.scm = scm_c_read_string (YYText ());
+ yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
- {
+ yylval = SCM_UNSPECIFIED;
return CHORD_MINUS;
}
: {
+ yylval = SCM_UNSPECIFIED;
return CHORD_COLON;
}
\/\+ {
+ yylval = SCM_UNSPECIFIED;
return CHORD_BASS;
}
\/ {
+ yylval = SCM_UNSPECIFIED;
return CHORD_SLASH;
}
\^ {
+ yylval = SCM_UNSPECIFIED;
return CHORD_CARET;
}
. {
+ yylval = SCM_UNSPECIFIED;
return YYText ()[0]; // WORD catches all multibyte.
}
}
<markup>{
\\score {
+ yylval = SCM_UNSPECIFIED;
return SCORE;
}
{COMMAND}/[-_] | // backup rule
// in reverse order, so the first token pushed in the
// loop will be EXPECT_NO_MORE_ARGS.
- yylval.scm = scm_car(s);
+ yylval = scm_car(s);
// yylval now contains the function to call as token
// value (for token type MARKUP_FUNCTION or
return token_type;
}
[{}] {
+ yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
[^$#{}\"\\ \t\n\r\f]+ {
if (c == '{' || c == '}')
here_input ().warning (
_ ("Brace found at end of markup. Did you forget a space?"));
- yylval.scm = ly_string2scm (s);
+ yylval = ly_string2scm (s);
return STRING;
}
. {
+ yylval = SCM_UNSPECIFIED;
return YYText()[0]; // Above is catchall for multibyte
}
}
<longcomment><<EOF>> {
LexerError (_ ("EOF found inside a comment").c_str ());
is_main_input_ = false; // should be safe , can't have \include in --safe.
+ yylval = SCM_UNSPECIFIED;
if (!close_input ())
yyterminate (); // can't move this, since it actually rets a YY_NULL
}
-<<EOF>> { if (is_main_input_)
+<<EOF>> {
+ yylval = SCM_UNSPECIFIED;
+ if (is_main_input_)
{
/* 2 = init.ly + current file.
> because we're before closing, but is_main_input_ should
}
{FRACTION} {
- yylval.scm = scan_fraction (YYText ());
+ yylval = scan_fraction (YYText ());
return FRACTION;
}
-{UNSIGNED} | // backup rule
{REAL} {
- yylval.scm = scm_c_read_string (YYText ());
+ yylval = scm_c_read_string (YYText ());
return REAL;
}
{UNSIGNED}/\/ | // backup rule
{UNSIGNED} {
- yylval.scm = scm_c_read_string (YYText ());
+ yylval = scm_c_read_string (YYText ());
return UNSIGNED;
}
[{}] {
-
+ yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
-/\. | // backup rule
[*:=] {
- char c = YYText ()[0];
-
- return c;
+ yylval = SCM_UNSPECIFIED;
+ return YYText ()[0];
}
<INITIAL,notes,figures>. {
+ yylval = SCM_UNSPECIFIED;
return YYText ()[0];
}
<INITIAL,lyrics,notes,figures>\\. {
+ yylval = SCM_UNSPECIFIED;
char c = YYText ()[1];
switch (c) {
<*>.[\200-\277]* {
string msg = _f ("invalid character: `%s'", YYText_utf8 ());
LexerError (msg.c_str ());
+ yylval = SCM_UNSPECIFIED;
return '%'; // Better not return half a utf8 character.
}
int
Lily_lexer::identifier_type (SCM sid)
{
- int k = try_special_identifiers (&yylval.scm , sid);
+ int k = try_special_identifiers (&yylval , sid);
return k >= 0 ? k : SCM_IDENTIFIER;
}
// SCM sym = ly_symbol2scm (str.c_str ());
+ yylval = SCM_UNSPECIFIED;
int i = lookup_keyword (str);
if (i == MARKUP && is_lyric_state ())
return LYRIC_MARKUP;
string msg (_f ("unknown escaped string: `\\%s'", str));
LexerError (msg.c_str ());
- yylval.scm = ly_string2scm (str);
+ yylval = ly_string2scm (str);
return STRING;
}
{
int funtype = SCM_FUNCTION;
- yylval.scm = sid;
+ yylval = sid;
SCM s = get_music_function_signature (sid);
SCM cs = scm_car (s);
}
return funtype;
}
- yylval.scm = sid;
+ yylval = sid;
return identifier_type (sid);
}
handle = scm_hashq_get_handle (scm_cdar (pitchname_tab_stack_), sym);
if (scm_is_pair (handle)) {
- yylval.scm = scm_cdr (handle);
- if (unsmob_pitch (yylval.scm))
+ yylval = scm_cdr (handle);
+ if (unsmob_pitch (yylval))
return (YYSTATE == notes) ? NOTENAME_PITCH : TONICNAME_PITCH;
- else if (scm_is_symbol (yylval.scm))
+ else if (scm_is_symbol (yylval))
return DRUM_PITCH;
}
else if ((YYSTATE == chords)
&& (handle = scm_hashq_get_handle (chordmodifier_tab_, sym))!= SCM_BOOL_F)
{
- yylval.scm = scm_cdr (handle);
+ yylval = scm_cdr (handle);
return CHORD_MODIFIER;
}
}
- yylval.scm = ly_string2scm (str);
+ yylval = ly_string2scm (str);
return STRING;
}
switch (extra_token) {
case '$':
token = scan_scm_id (scm_car (v));
- if (!scm_is_eq (yylval.scm, SCM_UNSPECIFIED))
- push_extra_token (token, yylval.scm);
+ if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
+ push_extra_token (token, yylval);
break;
case '#':
push_extra_token (SCM_IDENTIFIER, scm_car (v));
* inconsistent state of indentation.
*/
-%{
+%code requires {
#define yyerror Lily_parser::parser_error
/* We use custom location type: Input objects */
#define YYLTYPE Input
+#define YYSTYPE SCM
#define YYLLOC_DEFAULT(Current,Rhs,N) \
((Current).set_location ((Rhs)[1], (Rhs)[N]))
+#define YYPRINT(file, type, value) \
+ do { \
+ if (scm_is_eq (value, SCM_UNSPECIFIED)) \
+ break; \
+ char *p = scm_to_locale_string \
+ (scm_simple_format (SCM_BOOL_F, \
+ scm_from_locale_string ("~S"), \
+ scm_list_1 (value))); \
+ fputs (p, file); \
+ free (p); \
+ } while (0)
-%}
+}
%parse-param {Lily_parser *parser}
%parse-param {SCM *retval}
%}
-%union {
- Book *book;
- Output_def *outputdef;
- SCM scm;
- std::string *string;
- Score *score;
- int i;
-}
-
%{
#define MY_MAKE_MUSIC(x, spot) make_music_with_input (ly_symbol2scm (x), spot)
SCM arg, SCM args, SCM pred);
SCM loc_on_music (Input loc, SCM arg);
SCM make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list);
-SCM make_chord_step (int step, Rational alter);
+SCM make_chord_step (SCM step, Rational alter);
SCM make_simple_markup (SCM a);
bool is_duration (int t);
bool is_regular_identifier (SCM id);
%token MULTI_MEASURE_REST
-%token <i> E_UNSIGNED
-%token <scm> UNSIGNED
+%token E_UNSIGNED
+%token UNSIGNED
/* Artificial tokens, for more generic function syntax */
-%token <i> EXPECT_MARKUP "markup?"
-%token <i> EXPECT_PITCH "ly:pitch?"
-%token <i> EXPECT_DURATION "ly:duration?"
-%token <scm> EXPECT_SCM "scheme?"
-%token <scm> BACKUP "(backed-up?)"
-%token <scm> REPARSE "(reparsed?)"
-%token <i> EXPECT_MARKUP_LIST "markup-list?"
-%token <scm> EXPECT_OPTIONAL "optional?"
+%token EXPECT_MARKUP "markup?"
+%token EXPECT_PITCH "ly:pitch?"
+%token EXPECT_DURATION "ly:duration?"
+%token EXPECT_SCM "scheme?"
+%token BACKUP "(backed-up?)"
+%token REPARSE "(reparsed?)"
+%token EXPECT_MARKUP_LIST "markup-list?"
+%token EXPECT_OPTIONAL "optional?"
/* After the last argument. */
-%token <i> EXPECT_NO_MORE_ARGS;
+%token EXPECT_NO_MORE_ARGS;
/* An artificial token for parsing embedded Lilypond */
-%token <i> EMBEDDED_LILY "#{"
-
-%token <scm> BOOK_IDENTIFIER
-%token <scm> CHORDMODIFIER_PITCH
-%token <scm> CHORD_MODIFIER
-%token <scm> CHORD_REPETITION
-%token <scm> CONTEXT_DEF_IDENTIFIER
-%token <scm> CONTEXT_MOD_IDENTIFIER
-%token <scm> DRUM_PITCH
-%token <scm> PITCH_IDENTIFIER
-%token <scm> DURATION_IDENTIFIER
-%token <scm> EVENT_IDENTIFIER
-%token <scm> EVENT_FUNCTION
-%token <scm> FRACTION
-%token <scm> LYRICS_STRING
-%token <scm> LYRIC_ELEMENT
-%token <scm> LYRIC_MARKUP_IDENTIFIER
-%token <scm> MARKUP_FUNCTION
-%token <scm> MARKUP_LIST_FUNCTION
-%token <scm> MARKUP_IDENTIFIER
-%token <scm> MARKUPLIST_IDENTIFIER
-%token <scm> MUSIC_FUNCTION
-%token <scm> MUSIC_IDENTIFIER
-%token <scm> NOTENAME_PITCH
-%token <scm> NUMBER_IDENTIFIER
-%token <scm> OUTPUT_DEF_IDENTIFIER
-%token <scm> REAL
-%token <scm> RESTNAME
-%token <scm> SCM_FUNCTION
-%token <scm> SCM_IDENTIFIER
-%token <scm> SCM_TOKEN
-%token <scm> SCORE_IDENTIFIER
-%token <scm> STRING
-%token <scm> STRING_IDENTIFIER
-%token <scm> TONICNAME_PITCH
-
-
-%type <book> book_block
-%type <book> book_body
-%type <book> bookpart_block
-%type <book> bookpart_body
-
-%type <i> bare_unsigned
-%type <scm> figured_bass_alteration
-%type <i> dots
-%type <i> exclamations
-%type <i> optional_rest
-%type <i> questions
-%type <i> script_dir
-%type <i> sub_quotes
-%type <i> sup_quotes
-%type <i> tremolo_type
-
-/* Music */
-%type <scm> composite_music
-%type <scm> grouped_music_list
-%type <scm> braced_music_list
-%type <scm> closed_music
-%type <scm> music
-%type <scm> music_bare
-%type <scm> music_arg
-%type <scm> music_assign
-%type <scm> music_embedded
-%type <scm> music_or_context_def
-%type <scm> complex_music
-%type <scm> complex_music_prefix
-%type <scm> mode_changed_music
-%type <scm> repeated_music
-%type <scm> sequential_music
-%type <scm> simple_music
-%type <scm> simultaneous_music
-%type <scm> chord_body
-%type <scm> chord_body_element
-%type <scm> command_element
-%type <scm> command_event
-%type <scm> context_modification
-%type <scm> context_change
-%type <scm> direction_less_event
-%type <scm> direction_reqd_event
-%type <scm> embedded_lilypond
-%type <scm> event_chord
-%type <scm> fingering
-%type <scm> gen_text_def
-%type <scm> music_property_def
-%type <scm> note_chord_element
-%type <scm> post_event
-%type <scm> post_event_nofinger
-%type <scm> re_rhythmed_music
-%type <scm> simple_element
-%type <scm> simple_music_property_def
-%type <scm> start_symbol
-%type <scm> string_number_event
-%type <scm> tempo_event
-
-%type <outputdef> output_def_body
-%type <outputdef> output_def_head
-%type <outputdef> output_def_head_with_mode_switch
-%type <outputdef> output_def
-%type <outputdef> paper_block
-
-%type <scm> music_function_call
-%type <scm> music_list
-%type <scm> assignment_id
-%type <scm> bare_number
-%type <scm> bare_number_closed
-%type <scm> unsigned_number
-%type <scm> bass_figure
-%type <scm> figured_bass_modification
-%type <scm> br_bass_figure
-%type <scm> bass_number
-%type <scm> chord_body_elements
-%type <scm> chord_item
-%type <scm> chord_items
-%type <scm> chord_separator
-%type <scm> context_def_mod
-%type <scm> context_def_spec_block
-%type <scm> context_def_spec_body
-%type <scm> context_mod
-%type <scm> context_mod_arg
-%type <scm> context_mod_embedded
-%type <scm> context_mod_list
-%type <scm> context_prop_spec
-%type <scm> direction_less_char
-%type <scm> duration_length
-%type <scm> embedded_scm
-%type <scm> embedded_scm_arg
-%type <scm> embedded_scm_arg_closed
-%type <scm> embedded_scm_bare
-%type <scm> embedded_scm_bare_arg
-%type <scm> embedded_scm_closed
-%type <scm> event_function_event
-%type <scm> figure_list
-%type <scm> figure_spec
-%type <scm> full_markup
-%type <scm> full_markup_list
-%type <scm> function_arglist
-%type <scm> function_arglist_optional
-%type <scm> function_arglist_backup
-%type <scm> function_arglist_nonbackup
-%type <scm> function_arglist_nonbackup_common
-%type <scm> function_arglist_closed_nonbackup
-%type <scm> function_arglist_skip
-%type <scm> function_arglist_bare
-%type <scm> function_arglist_closed
-%type <scm> function_arglist_closed_optional
-%type <scm> function_arglist_common
-%type <scm> function_arglist_common_lyric
-%type <scm> function_arglist_common_minus
-%type <scm> function_arglist_closed_common
-%type <scm> function_arglist_keep
-%type <scm> function_arglist_closed_keep
-%type <scm> identifier_init
-%type <scm> lilypond
-%type <scm> lilypond_header
-%type <scm> lyric_element
-%type <scm> lyric_element_arg
-%type <scm> lyric_element_music
-%type <scm> lyric_markup
-%type <scm> markup
-%type <scm> markup_braced_list
-%type <scm> markup_braced_list_body
-%type <scm> markup_composed_list
-%type <scm> markup_command_list
-%type <scm> markup_command_list_arguments
-%type <scm> markup_command_basic_arguments
-%type <scm> markup_head_1_item
-%type <scm> markup_head_1_list
-%type <scm> markup_list
-%type <scm> markup_top
-%type <scm> maybe_notemode_duration
-%type <scm> mode_changing_head
-%type <scm> mode_changing_head_with_context
-%type <scm> multiplied_duration
-%type <scm> music_function_event
-%type <scm> music_function_chord_body
-%type <scm> new_chord
-%type <scm> new_lyrics
-%type <scm> number_expression
-%type <scm> number_factor
-%type <scm> number_term
-%type <scm> octave_check
-%type <scm> optional_context_mod
-%type <scm> optional_id
-%type <scm> optional_notemode_duration
-%type <scm> pitch
-%type <scm> pitch_also_in_chords
-%type <scm> post_events
-%type <scm> property_operation
-%type <scm> property_path property_path_revved
-%type <scm> scalar
-%type <scm> scalar_closed
-%type <scm> scm_function_call
-%type <scm> scm_function_call_closed
-%type <scm> script_abbreviation
-%type <scm> simple_chord_elements
-%type <scm> simple_markup
-%type <scm> simple_string
-%type <scm> steno_duration
-%type <scm> steno_pitch
-%type <scm> steno_tonic_pitch
-%type <scm> step_number
-%type <scm> step_numbers
-%type <scm> string
-%type <scm> tempo_range
-
-%type <score> score_block
-%type <score> score_body
-
+%token EMBEDDED_LILY "#{"
+
+%token BOOK_IDENTIFIER
+%token CHORDMODIFIER_PITCH
+%token CHORD_MODIFIER
+%token CHORD_REPETITION
+%token CONTEXT_DEF_IDENTIFIER
+%token CONTEXT_MOD_IDENTIFIER
+%token DRUM_PITCH
+%token PITCH_IDENTIFIER
+%token DURATION_IDENTIFIER
+%token EVENT_IDENTIFIER
+%token EVENT_FUNCTION
+%token FRACTION
+%token LYRICS_STRING
+%token LYRIC_ELEMENT
+%token LYRIC_MARKUP_IDENTIFIER
+%token MARKUP_FUNCTION
+%token MARKUP_LIST_FUNCTION
+%token MARKUP_IDENTIFIER
+%token MARKUPLIST_IDENTIFIER
+%token MUSIC_FUNCTION
+%token MUSIC_IDENTIFIER
+%token NOTENAME_PITCH
+%token NUMBER_IDENTIFIER
+%token OUTPUT_DEF_IDENTIFIER
+%token REAL
+%token RESTNAME
+%token SCM_FUNCTION
+%token SCM_IDENTIFIER
+%token SCM_TOKEN
+%token SCORE_IDENTIFIER
+%token STRING
+%token STRING_IDENTIFIER
+%token TONICNAME_PITCH
%left '-' '+'
}
;
-lilypond: /* empty */ { }
+lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
| lilypond toplevel_expression {
}
| lilypond assignment {
parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
}
| book_block {
- Book *book = $1;
SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
- scm_call_2 (proc, parser->self_scm (), book->self_scm ());
- book->unprotect ();
+ scm_call_2 (proc, parser->self_scm (), $1);
}
| bookpart_block {
- Book *bookpart = $1;
SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
- scm_call_2 (proc, parser->self_scm (), bookpart->self_scm ());
- bookpart->unprotect ();
+ scm_call_2 (proc, parser->self_scm (), $1);
}
| score_block {
- Score *score = $1;
-
SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
- scm_call_2 (proc, parser->self_scm (), score->self_scm ());
- score->unprotect ();
+ scm_call_2 (proc, parser->self_scm (), $1);
}
| composite_music {
- Music *music = unsmob_music ($1);
SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
- scm_call_2 (proc, parser->self_scm (), music->self_scm ());
+ scm_call_2 (proc, parser->self_scm (), $1);
}
| full_markup {
SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
}
| output_def {
SCM id = SCM_EOL;
- Output_def * od = $1;
+ Output_def * od = unsmob_output_def ($1);
- if ($1->c_variable ("is-paper") == SCM_BOOL_T)
+ if (od->c_variable ("is-paper") == SCM_BOOL_T)
id = ly_symbol2scm ("$defaultpaper");
- else if ($1->c_variable ("is-midi") == SCM_BOOL_T)
+ else if (od->c_variable ("is-midi") == SCM_BOOL_T)
id = ly_symbol2scm ("$defaultmidi");
- else if ($1->c_variable ("is-layout") == SCM_BOOL_T)
+ else if (od->c_variable ("is-layout") == SCM_BOOL_T)
id = ly_symbol2scm ("$defaultlayout");
- parser->lexer_->set_identifier (id, od->self_scm ());
- od->unprotect();
+ parser->lexer_->set_identifier (id, $1);
}
;
| full_markup_list
| context_modification
| score_block
- {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
| context_def_spec_block
| book_block
- {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
| bookpart_block
- {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
| output_def
- {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
;
/* The generic version may end in music, or not */
}
| error {
parser->error_level_ = 1;
+ $$ = SCM_UNSPECIFIED;
}
| INVALID embedded_lilypond {
parser->error_level_ = 1;
+ $$ = $2;
}
;
lilypond_header_body:
- /* empty */
+ /* empty */ { $$ = SCM_UNSPECIFIED; }
| lilypond_header_body assignment {
}
assignment:
assignment_id '=' identifier_init {
parser->lexer_->set_identifier ($1, $3);
+ $$ = SCM_UNSPECIFIED;
}
| assignment_id property_path '=' identifier_init {
SCM path = scm_cons (scm_string_to_symbol ($1), $2);
parser->lexer_->set_identifier (path, $4);
- ;
-/*
- TODO: devise standard for protection in parser.
-
- The parser stack lives on the C-stack, which means that
-all objects can be unprotected as soon as they're here.
-
-*/
+ $$ = SCM_UNSPECIFIED;
}
- | embedded_scm { }
+ | embedded_scm { $$ = SCM_UNSPECIFIED; }
;
identifier_init:
- score_block {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
- | book_block {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
- | bookpart_block {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
- | output_def {
- $$ = $1->self_scm ();
- $1->unprotect ();
- }
- | context_def_spec_block {
- $$ = $1;
- }
- | music_assign {
- $$ = $1;
- }
- | post_event_nofinger {
- $$ = $1;
- }
- | number_expression {
- $$ = $1;
- }
- | FRACTION {
- $$ = $1;
- }
- | string {
- $$ = $1;
- }
- | embedded_scm {
- $$ = $1;
- }
- | full_markup {
- $$ = $1;
- }
- | full_markup_list {
- $$ = $1;
- }
- | context_modification {
- $$ = $1;
- }
+ score_block
+ | book_block
+ | bookpart_block
+ | output_def
+ | context_def_spec_block
+ | music_assign
+ | post_event_nofinger
+ | number_expression
+ | FRACTION
+ | string
+ | embedded_scm
+ | full_markup
+ | full_markup_list
+ | context_modification
;
context_def_spec_block:
* grok \layout and \midi? */
book_body:
{
- $$ = new Book;
+ Book *book = new Book;
init_papers (parser);
- $$->origin ()->set_spot (@$);
- $$->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
- $$->paper_->unprotect ();
- push_paper (parser, $$->paper_);
- $$->header_ = get_header (parser);
- parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$->self_scm ());
+ book->origin ()->set_spot (@$);
+ book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
+ book->paper_->unprotect ();
+ push_paper (parser, book->paper_);
+ book->header_ = get_header (parser);
+ $$ = book->unprotect ();
+ parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
}
| BOOK_IDENTIFIER {
- $$ = unsmob_book ($1);
- $$->protect ();
- $$->origin ()->set_spot (@$);
+ unsmob_book ($1)->origin ()->set_spot (@$);
parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
}
| book_body paper_block {
- $$->paper_ = $2;
- $2->unprotect ();
- set_paper (parser, $2);
+ unsmob_book ($1)->paper_ = unsmob_output_def ($2);
+ set_paper (parser, unsmob_output_def ($2));
}
| book_body bookpart_block {
- Book *bookpart = $2;
SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
- scm_call_2 (proc, $$->self_scm (), bookpart->self_scm ());
- bookpart->unprotect ();
+ scm_call_2 (proc, $1, $2);
}
| book_body score_block {
- Score *score = $2;
SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
- scm_call_2 (proc, $$->self_scm (), score->self_scm ());
- score->unprotect ();
+ scm_call_2 (proc, $1, $2);
}
| book_body composite_music {
- Music *music = unsmob_music ($2);
SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
- scm_call_3 (proc, parser->self_scm (), $$->self_scm (), music->self_scm ());
+ scm_call_3 (proc, parser->self_scm (), $1, $2);
}
| book_body full_markup {
SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
- scm_call_2 (proc, $$->self_scm (), scm_list_1 ($2));
+ scm_call_2 (proc, $1, scm_list_1 ($2));
}
| book_body full_markup_list {
SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
- scm_call_2 (proc, $$->self_scm (), $2);
+ scm_call_2 (proc, $1, $2);
}
| book_body
{
- parser->lexer_->add_scope ($1->header_);
+ parser->lexer_->add_scope (unsmob_book ($1)->header_);
} lilypond_header
| book_body embedded_scm { }
| book_body error {
- $$->paper_ = 0;
- $$->scores_ = SCM_EOL;
- $$->bookparts_ = SCM_EOL;
+ Book *book = unsmob_book ($1);
+ book->paper_ = 0;
+ book->scores_ = SCM_EOL;
+ book->bookparts_ = SCM_EOL;
}
;
bookpart_body:
{
- $$ = new Book;
- $$->origin ()->set_spot (@$);
- parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$->self_scm ());
+ Book *book = new Book;
+ book->origin ()->set_spot (@$);
+ $$ = book->unprotect ();
+ parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
}
| BOOK_IDENTIFIER {
- $$ = unsmob_book ($1);
- $$->protect ();
- $$->origin ()->set_spot (@$);
+ unsmob_book ($1)->origin ()->set_spot (@$);
parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
}
| bookpart_body paper_block {
- $$->paper_ = $2;
- $2->unprotect ();
+ unsmob_book ($$)->paper_ = unsmob_output_def ($2);
}
| bookpart_body score_block {
- Score *score = $2;
SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
- scm_call_2 (proc, $$->self_scm (), score->self_scm ());
- score->unprotect ();
+ scm_call_2 (proc, $1, $2);
}
| bookpart_body composite_music {
- Music *music = unsmob_music ($2);
SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
- scm_call_3 (proc, parser->self_scm (), $$->self_scm (), music->self_scm ());
+ scm_call_3 (proc, parser->self_scm (), $1, $2);
}
| bookpart_body full_markup {
SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
- scm_call_2 (proc, $$->self_scm (), scm_list_1 ($2));
+ scm_call_2 (proc, $1, scm_list_1 ($2));
}
| bookpart_body full_markup_list {
SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
- scm_call_2 (proc, $$->self_scm (), $2);
+ scm_call_2 (proc, $1, $2);
}
| bookpart_body
{
- if (!ly_is_module ($1->header_))
- $1->header_ = ly_make_module (false);
- parser->lexer_->add_scope ($1->header_);
+ Book *book = unsmob_book ($1);
+ if (!ly_is_module (book->header_))
+ book->header_ = ly_make_module (false);
+ parser->lexer_->add_scope (book->header_);
} lilypond_header
| bookpart_body embedded_scm { }
| bookpart_body error {
- $$->paper_ = 0;
- $$->scores_ = SCM_EOL;
+ Book *book = unsmob_book ($1);
+ book->paper_ = 0;
+ book->scores_ = SCM_EOL;
}
;
score_body:
music {
- SCM m = $1;
SCM scorify = ly_lily_module_constant ("scorify-music");
- SCM score = scm_call_2 (scorify, m, parser->self_scm ());
+ $$ = scm_call_2 (scorify, $1, parser->self_scm ());
- // pass ownernship to C++ again.
- $$ = unsmob_score (score);
- $$->protect ();
- $$->origin ()->set_spot (@$);
+ unsmob_score ($$)->origin ()->set_spot (@$);
}
| SCORE_IDENTIFIER {
- $$ = unsmob_score ($1);
- $$->protect ();
- $$->origin ()->set_spot (@$);
+ unsmob_score ($$)->origin ()->set_spot (@$);
}
| score_body
{
- if (!ly_is_module ($1->get_header ()))
- $1->set_header (ly_make_module (false));
- parser->lexer_->add_scope ($1->get_header ());
+ Score *score = unsmob_score ($1);
+ if (!ly_is_module (score->get_header ()))
+ score->set_header (ly_make_module (false));
+ parser->lexer_->add_scope (score->get_header ());
} lilypond_header
| score_body output_def {
- if ($2->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
+ Output_def *od = unsmob_output_def ($2);
+ if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
{
parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
}
else
{
- $$->add_output_def ($2);
+ unsmob_score ($1)->add_output_def (od);
}
- $2->unprotect ();
}
| score_body error {
- $$->error_found_ = true;
+ unsmob_score ($$)->error_found_ = true;
}
;
paper_block:
output_def {
- $$ = $1;
- if ($$->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
+ Output_def *od = unsmob_output_def ($1);
+
+ if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
{
parser->parser_error (@1, _ ("need \\paper for paper block"));
- $1->unprotect ();
- $$ = get_paper (parser);
+ $$ = get_paper (parser)->unprotect ();
}
}
;
output_def_head:
PAPER {
- $$ = get_paper (parser);
- $$->input_origin_ = @$;
- parser->lexer_->add_scope ($$->scope_);
+ Output_def *p = get_paper (parser);
+ p->input_origin_ = @$;
+ parser->lexer_->add_scope (p->scope_);
+ $$ = p->unprotect ();
}
| MIDI {
Output_def *p = get_midi (parser);
- $$ = p;
+ $$ = p->unprotect ();
parser->lexer_->add_scope (p->scope_);
}
| LAYOUT {
Output_def *p = get_layout (parser);
parser->lexer_->add_scope (p->scope_);
- $$ = p;
+ $$ = p->unprotect ();
}
;
output_def_body:
output_def_head_with_mode_switch '{' {
$$ = $1;
- $$->input_origin_.set_spot (@$);
+ unsmob_output_def ($$)->input_origin_.set_spot (@$);
}
| output_def_head_with_mode_switch '{' OUTPUT_DEF_IDENTIFIER {
- $1->unprotect ();
-
Output_def *o = unsmob_output_def ($3);
o->input_origin_.set_spot (@$);
- $$ = o;
- $$->protect ();
+ $$ = o->self_scm ();
parser->lexer_->remove_scope ();
parser->lexer_->add_scope (o->scope_);
}
} music_or_context_def
{
if (unsmob_context_def ($3))
- assign_context_def ($$, $3);
+ assign_context_def (unsmob_output_def ($1), $3);
else {
SCM proc = parser->lexer_->lookup_identifier
("output-def-music-handler");
scm_call_3 (proc, parser->self_scm (),
- $1->self_scm (), $3);
+ $1, $3);
}
}
| output_def_body error {
chord_body_element:
pitch exclamations questions octave_check post_events
{
- int q = $3;
- int ex = $2;
+ bool q = to_boolean ($3);
+ bool ex = to_boolean ($2);
SCM check = $4;
SCM post = $5;
Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
n->set_property ("pitch", $1);
- if (q % 2)
+ if (q)
n->set_property ("cautionary", SCM_BOOL_T);
- if (ex % 2 || q % 2)
+ if (ex || q)
n->set_property ("force-accidental", SCM_BOOL_T);
if (scm_is_pair (post)) {
}
| script_dir music_function_event {
$$ = $2;
- if ($1)
+ if (!SCM_UNBNDP ($1))
{
- unsmob_music ($$)->set_property ("direction", scm_from_int ($1));
+ unsmob_music ($$)->set_property ("direction", $1);
}
}
| HYPHEN {
$$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
}
| script_dir direction_reqd_event {
- if ($1)
+ if (!SCM_UNBNDP ($1))
{
Music *m = unsmob_music ($2);
- m->set_property ("direction", scm_from_int ($1));
+ m->set_property ("direction", $1);
}
$$ = $2;
}
| script_dir direction_less_event {
- if ($1)
+ if (!SCM_UNBNDP ($1))
{
Music *m = unsmob_music ($2);
- m->set_property ("direction", scm_from_int ($1));
+ m->set_property ("direction", $1);
}
$$ = $2;
}
string_number_event:
E_UNSIGNED {
Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
- s->set_property ("string-number", scm_from_int ($1));
+ s->set_property ("string-number", $1);
$$ = s->unprotect ();
}
;
}
| tremolo_type {
Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
- a->set_property ("tremolo-type", scm_from_int ($1));
+ a->set_property ("tremolo-type", $1);
$$ = a->unprotect ();
}
| event_function_event
octave_check:
/**/ { $$ = SCM_EOL; }
- | '=' { $$ = scm_from_int (0); }
- | '=' sub_quotes { $$ = scm_from_int (-$2); }
- | '=' sup_quotes { $$ = scm_from_int ($2); }
+ | '=' quotes { $$ = $2; }
;
+quotes:
+ /* empty */
+ {
+ $$ = SCM_INUM0;
+ }
+ | sub_quotes
+ | sup_quotes
+ ;
+
sup_quotes:
'\'' {
- $$ = 1;
+ $$ = scm_from_int (1);
}
| sup_quotes '\'' {
- $$ ++;
+ $$ = scm_oneplus ($1);
}
;
sub_quotes:
',' {
- $$ = 1;
+ $$ = scm_from_int (-1);
}
| sub_quotes ',' {
- $$++;
+ $$ = scm_oneminus ($1);
}
;
steno_pitch:
- NOTENAME_PITCH {
- $$ = $1;
- }
- | NOTENAME_PITCH sup_quotes {
- Pitch p = *unsmob_pitch ($1);
- p = p.transposed (Pitch ($2,0,0));
- $$ = p.smobbed_copy ();
- }
- | NOTENAME_PITCH sub_quotes {
- Pitch p =* unsmob_pitch ($1);
- p = p.transposed (Pitch (-$2,0,0));
- $$ = p.smobbed_copy ();
+ NOTENAME_PITCH quotes {
+ if (!scm_is_eq (SCM_INUM0, $2))
+ {
+ Pitch p = *unsmob_pitch ($1);
+ p = p.transposed (Pitch (scm_to_int ($2),0,0));
+ $$ = p.smobbed_copy ();
+ }
}
;
*/
steno_tonic_pitch:
- TONICNAME_PITCH {
- $$ = $1;
- }
- | TONICNAME_PITCH sup_quotes {
- Pitch p = *unsmob_pitch ($1);
- p = p.transposed (Pitch ($2,0,0));
- $$ = p.smobbed_copy ();
- }
- | TONICNAME_PITCH sub_quotes {
- Pitch p = *unsmob_pitch ($1);
-
- p = p.transposed (Pitch (-$2,0,0));
- $$ = p.smobbed_copy ();
+ TONICNAME_PITCH quotes {
+ if (!scm_is_eq (SCM_INUM0, $2))
+ {
+ Pitch p = *unsmob_pitch ($1);
+ p = p.transposed (Pitch (scm_to_int ($2),0,0));
+ $$ = p.smobbed_copy ();
+ }
}
;
pitch:
- steno_pitch {
- $$ = $1;
- }
+ steno_pitch
| PITCH_IDENTIFIER
;
;
script_dir:
- '_' { $$ = DOWN; }
- | '^' { $$ = UP; }
- | '-' { $$ = CENTER; }
+ '_' { $$ = scm_from_int (DOWN); }
+ | '^' { $$ = scm_from_int (UP); }
+ | '-' { $$ = SCM_UNDEFINED; }
;
duration_length:
;
steno_duration:
- bare_unsigned dots {
+ UNSIGNED dots {
int len = 0;
- if (!is_duration ($1))
- parser->parser_error (@1, _f ("not a duration: %d", $1));
+ int n = scm_to_int ($1);
+ if (!is_duration (n))
+ parser->parser_error (@1, _f ("not a duration: %d", n));
else
- len = intlog2 ($1);
+ len = intlog2 (n);
- $$ = Duration (len, $2).smobbed_copy ();
+ $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
}
| DURATION_IDENTIFIER dots {
Duration *d = unsmob_duration ($1);
- Duration k (d->duration_log (), d->dot_count () + $2);
+ Duration k (d->duration_log (),
+ d->dot_count () + scm_to_int ($2));
k = k.compressed (d->factor ());
- *d = k;
- $$ = $1;
+ scm_remember_upto_here_1 ($1);
+ $$ = k.smobbed_copy ();
}
;
steno_duration {
$$ = $1;
}
- | multiplied_duration '*' bare_unsigned {
- $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
+ | multiplied_duration '*' UNSIGNED {
+ $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
}
| multiplied_duration '*' FRACTION {
Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
dots:
/* empty */ {
- $$ = 0;
+ $$ = SCM_INUM0;
}
| dots '.' {
- $$ ++;
+ $$ = scm_oneplus ($1);
}
;
tremolo_type:
':' {
- $$ = 0;
+ $$ = SCM_INUM0;
}
- | ':' bare_unsigned {
- if (!is_duration ($2))
- parser->parser_error (@2, _f ("not a duration: %d", $2));
+ | ':' UNSIGNED {
+ int n = scm_to_int ($2);
+ if (!is_duration (n))
+ parser->parser_error (@2, _f ("not a duration: %d", n));
$$ = $2;
}
;
optional_rest:
- /**/ { $$ = 0; }
- | REST { $$ = 1; }
+ /**/ { $$ = SCM_BOOL_F; }
+ | REST { $$ = SCM_BOOL_T; }
;
simple_element:
pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
if (!parser->lexer_->is_note_state ())
parser->parser_error (@1, _ ("have to be in Note mode for notes"));
- if ($2 || $3 || scm_is_number ($4) || !SCM_UNBNDP ($5) || $6)
+ if (!SCM_UNBNDP ($2)
+ || !SCM_UNBNDP ($3)
+ || scm_is_number ($4)
+ || !SCM_UNBNDP ($5)
+ || scm_is_true ($6))
{
Music *n = 0;
- if ($6)
+ if (scm_is_true ($6))
n = MY_MAKE_MUSIC ("RestEvent", @$);
else
n = MY_MAKE_MUSIC ("NoteEvent", @$);
n->set_property ("absolute-octave", scm_from_int (q-1));
}
- if ($3 % 2)
+ if (to_boolean ($3))
n->set_property ("cautionary", SCM_BOOL_T);
- if ($2 % 2 || $3 % 2)
+ if (to_boolean ($2) || to_boolean ($3))
n->set_property ("force-accidental", SCM_BOOL_T);
$$ = n->unprotect ();
;
step_number:
- bare_unsigned {
+ UNSIGNED {
$$ = make_chord_step ($1, 0);
}
- | bare_unsigned '+' {
+ | UNSIGNED '+' {
$$ = make_chord_step ($1, SHARP_ALTERATION);
}
- | bare_unsigned CHORD_MINUS {
+ | UNSIGNED CHORD_MINUS {
$$ = make_chord_step ($1, FLAT_ALTERATION);
}
;
tempo_range:
- bare_unsigned {
- $$ = scm_from_int ($1);
+ UNSIGNED {
+ $$ = $1;
}
- | bare_unsigned '~' bare_unsigned {
- $$ = scm_cons (scm_from_int ($1), scm_from_int ($3));
+ | UNSIGNED '~' UNSIGNED {
+ $$ = scm_cons ($1, $3);
}
;
| NUMBER_IDENTIFIER
;
-bare_unsigned:
- UNSIGNED {
- $$ = scm_to_int ($1);
- }
- ;
-
unsigned_number:
UNSIGNED
| NUMBER_IDENTIFIER
;
exclamations:
- { $$ = 0; }
- | exclamations '!' { $$ ++; }
+ { $$ = SCM_UNDEFINED; }
+ | exclamations '!'
+ {
+ if (SCM_UNBNDP ($1))
+ $$ = SCM_BOOL_T;
+ else
+ $$ = scm_not ($1);
+ }
;
questions:
- { $$ = 0; }
- | questions '?' { $$ ++; }
+ { $$ = SCM_UNDEFINED; }
+ | questions '?'
+ {
+ if (SCM_UNBNDP ($1))
+ $$ = SCM_BOOL_T;
+ else
+ $$ = scm_not ($1);
+ }
;
/*
SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
parser->lexer_->push_note_state (nn);
} '{' score_body '}' {
- Score * sc = $4;
- $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), sc->self_scm ());
- sc->unprotect ();
+ $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $4);
parser->lexer_->pop_state ();
}
| MARKUP_FUNCTION markup_command_basic_arguments {
SCM
-make_chord_step (int step, Rational alter)
+make_chord_step (SCM step_scm, Rational alter)
{
+ int step = scm_to_int (step_scm);
+
if (step == 7)
alter += FLAT_ALTERATION;