X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fparser.yy;h=8ea6f1958daf8ec5d883557c7851d422ec7cb091;hb=9e781b7dc83b60a543ce218aa1a5f139f74c760f;hp=37d5fa4e770c4d954375bc584b899a75d4f6c499;hpb=73d9385195d6ddcd355a89bf5ae6042d579c8333;p=lilypond.git diff --git a/lily/parser.yy b/lily/parser.yy index 37d5fa4e77..8ea6f1958d 100644 --- a/lily/parser.yy +++ b/lily/parser.yy @@ -2,7 +2,7 @@ /* This file is part of LilyPond, the GNU music typesetter. - Copyright (C) 1997--2012 Han-Wen Nienhuys + Copyright (C) 1997--2014 Han-Wen Nienhuys Jan Nieuwenhuizen LilyPond is free software: you can redistribute it and/or modify @@ -80,40 +80,24 @@ or %nonassoc COMPOSITE %left ADDLYRICS - /* ADDLYRICS needs to have lower precedence than argument scanning, - * or we won't be able to tell music apart from closed_music without - * lookahead in the context of function calls. - */ +%right ':' UNSIGNED REAL E_UNSIGNED EVENT_IDENTIFIER EVENT_FUNCTION '^' '_' + HYPHEN EXTENDER DURATION_IDENTIFIER '!' -%nonassoc DEFAULT - - /* \default is only applied after exhausting function arguments */ - -%nonassoc FUNCTION_ARGLIST - - /* expressions with units are permitted into argument lists */ - -%right PITCH_IDENTIFIER NOTENAME_PITCH TONICNAME_PITCH - UNSIGNED REAL DURATION_IDENTIFIER ':' - - /* The above are the symbols that can start optional function arguments - that are recognized in the grammar rather than by predicate + /* The above are needed for collecting tremoli and other items (that + could otherwise be interpreted as belonging to the next function + argument) greedily, and together with the next rule will serve to + join numbers and units greedily instead of allowing them into + separate function arguments */ -%nonassoc NUMBER_IDENTIFIER '/' - - /* Number-unit expressions, where permitted, are concatenated into - * function arguments, just like fractions and tremoli. Tremoli must - * not have higher precedence than UNSIGNED, or Lilypond will not - * join ':' with a following optional number. - */ +%nonassoc NUMBER_IDENTIFIER %left PREC_TOP -%pure_parser +%pure-parser %locations @@ -157,44 +141,50 @@ using namespace std; #include "warn.hh" void -Lily_parser::parser_error (Input const *i, Lily_parser *parser, SCM *, string s) +Lily_parser::parser_error (Input const *i, Lily_parser *parser, SCM *, const string &s) { parser->parser_error (*i, s); } +// The following are somewhat precarious constructs as they may change +// the value of the lookahead token. That implies that the lookahead +// token must not yet have made an impact on the state stack other +// than causing the reduction of the current rule, or switching the +// lookahead token while Bison is mulling it over will cause trouble. + #define MYBACKUP(Token, Value, Location) \ -do \ - if (yychar == YYEMPTY) \ - { \ + do { \ + if (yychar != YYEMPTY) \ + parser->lexer_->push_extra_token \ + (yylloc, yychar, yylval); \ if (Token) \ - parser->lexer_->push_extra_token (Token, Value); \ - parser->lexer_->push_extra_token (BACKUP); \ - } else { \ - parser->parser_error \ - (Location, _("Too much lookahead")); \ - } \ -while (0) + parser->lexer_->push_extra_token \ + (Location, Token, Value); \ + parser->lexer_->push_extra_token (Location, BACKUP); \ + yychar = YYEMPTY; \ + } while (0) #define MYREPARSE(Location, Pred, Token, Value) \ -do \ - if (yychar == YYEMPTY) \ - { \ - parser->lexer_->push_extra_token (Token, Value); \ - parser->lexer_->push_extra_token (REPARSE, \ - Pred); \ - } else { \ - parser->parser_error \ - (Location, _("Too much lookahead")); \ - } \ -while (0) + do { \ + if (yychar != YYEMPTY) \ + parser->lexer_->push_extra_token \ + (yylloc, yychar, yylval); \ + parser->lexer_->push_extra_token \ + (Location, Token, Value); \ + parser->lexer_->push_extra_token \ + (Location, REPARSE, Pred); \ + yychar = YYEMPTY; \ + } while (0) %} %{ -#define MY_MAKE_MUSIC(x, spot) make_music_with_input (ly_symbol2scm (x), spot) +#define MY_MAKE_MUSIC(x, spot) \ + make_music_with_input (ly_symbol2scm (x), \ + parser->lexer_->override_input (spot)) /* ES TODO: - Don't use lily module, create a new module instead. @@ -203,12 +193,12 @@ while (0) #define LOWLEVEL_MAKE_SYNTAX(proc, args) \ scm_apply_0 (proc, args) /* Syntactic Sugar. */ -#define MAKE_SYNTAX(name, location, ...) \ - LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant (name), scm_list_n (parser->self_scm (), make_input (location) , ##__VA_ARGS__, SCM_UNDEFINED)) +#define MAKE_SYNTAX(name, location, ...) \ + LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant (name), scm_list_n (parser->self_scm (), make_input (parser->lexer_->override_input (location)), ##__VA_ARGS__, SCM_UNDEFINED)) #define START_MAKE_SYNTAX(name, ...) \ scm_list_n (ly_lily_module_constant (name) , ##__VA_ARGS__, SCM_UNDEFINED) #define FINISH_MAKE_SYNTAX(start, location, ...) \ - LOWLEVEL_MAKE_SYNTAX (scm_car (start), scm_cons2 (parser->self_scm (), make_input (location), scm_append_x (scm_list_2 (scm_cdr (start), scm_list_n (__VA_ARGS__, SCM_UNDEFINED))))) + LOWLEVEL_MAKE_SYNTAX (scm_car (start), scm_cons2 (parser->self_scm (), make_input (parser->lexer_->override_input (location)), scm_append_x (scm_list_2 (scm_cdr (start), scm_list_n (__VA_ARGS__, SCM_UNDEFINED))))) SCM get_next_unique_context_id (); SCM get_next_unique_lyrics_context_id (); @@ -230,7 +220,7 @@ 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 (SCM step, Rational alter); SCM make_simple_markup (SCM a); -bool is_duration (int t); +SCM make_duration (SCM t, int dots = 0); bool is_regular_identifier (SCM id, bool multiple=false); SCM try_string_variants (SCM pred, SCM str); int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser); @@ -283,6 +273,7 @@ int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser); %token REST "\\rest" %token REVERT "\\revert" %token SCORE "\\score" +%token SCORELINES "\\score-lines" %token SEQUENTIAL "\\sequential" %token SET "\\set" %token SIMULTANEOUS "\\simultaneous" @@ -307,16 +298,8 @@ int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser); %token DOUBLE_ANGLE_OPEN "<<" %token DOUBLE_ANGLE_CLOSE ">>" %token E_BACKSLASH "\\" -%token E_ANGLE_CLOSE "\\>" -%token E_CHAR "\\C[haracter]" -%token E_CLOSE "\\)" %token E_EXCLAMATION "\\!" -%token E_BRACKET_OPEN "\\[" -%token E_OPEN "\\(" -%token E_BRACKET_CLOSE "\\]" -%token E_ANGLE_OPEN "\\<" %token E_PLUS "\\+" -%token E_TILDE "\\~" %token EXTENDER "__" /* @@ -327,7 +310,6 @@ If we give names, Bison complains. %token FIGURE_SPACE "_" %token HYPHEN "--" -%token CHORDMODIFIERS %token MULTI_MEASURE_REST @@ -336,8 +318,6 @@ If we give names, Bison complains. /* Artificial tokens, for more generic function syntax */ %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?)" @@ -350,7 +330,6 @@ If we give names, Bison complains. %token EMBEDDED_LILY "#{" %token BOOK_IDENTIFIER -%token CHORDMODIFIER_PITCH %token CHORD_MODIFIER %token CHORD_REPETITION %token CONTEXT_DEF_IDENTIFIER @@ -429,6 +408,13 @@ toplevel_expression: SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler"); scm_call_2 (proc, parser->self_scm (), $1); } + | BOOK_IDENTIFIER { + SCM proc = parser->lexer_->lookup_identifier + (unsmob_book($1)->paper_ + ? "toplevel-book-handler" + : "toplevel-bookpart-handler"); + scm_call_2 (proc, parser->self_scm (), $1); + } | score_block { SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler"); scm_call_2 (proc, parser->self_scm (), $1); @@ -460,6 +446,10 @@ toplevel_expression: { SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler"); scm_call_2 (proc, parser->self_scm (), out); + } else if (unsmob_score ($1)) + { + SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler"); + scm_call_2 (proc, parser->self_scm (), $1); } else if (!scm_is_eq ($1, SCM_UNSPECIFIED)) parser->parser_error (@1, _("bad expression type")); } @@ -497,6 +487,7 @@ embedded_scm_bare_arg: { $$ = parser->lexer_->eval_scm_token ($1); } + | FRACTION | full_markup_list | context_modification | score_block @@ -513,10 +504,19 @@ embedded_scm: | scm_function_call ; +/* embedded_scm_arg is _not_ casting pitches to music by default, this + * has to be done by the function itself. Note that this may cause + * the results of scm_function_call or embedded_scm_bare_arg to be + * turned into music from pitches as well. Note that this creates a + * distinctly awkward situation for calculated drum pitches. Those + * are at the current point of time rejected as music constituents as + * they can't be distinguished from "proper" symbols. + */ + embedded_scm_arg: embedded_scm_bare_arg | scm_function_call - | music_arg + | music_assign ; scm_function_call: @@ -526,12 +526,52 @@ scm_function_call: } ; +embedded_lilypond_number: + '-' embedded_lilypond_number + { + $$ = scm_difference ($2, SCM_UNDEFINED); + } + | bare_number_common + | UNSIGNED NUMBER_IDENTIFIER + { + $$ = scm_product ($1, $2); + } + ; + embedded_lilypond: /* empty */ { + // FIXME: @$ does not contain a useful source location + // for empty rules, and the only token in the whole + // production, EMBEDDED_LILY, is synthetic and also + // contains no source location. $$ = MAKE_SYNTAX ("void-music", @$); } - | identifier_init + | identifier_init_nonumber + | embedded_lilypond_number + | post_event post_events + { + $$ = scm_reverse_x ($2, SCM_EOL); + if (Music *m = unsmob_music ($1)) + { + if (m->is_mus_type ("post-event-wrapper")) + $$ = scm_append + (scm_list_2 (m->get_property ("elements"), + $$)); + else + $$ = scm_cons ($1, $$); + } + if (scm_is_pair ($$) + && scm_is_null (scm_cdr ($$))) + $$ = scm_car ($$); + else + { + Music * m = MY_MAKE_MUSIC ("PostEvents", @$); + m->set_property ("elements", $$); + $$ = m->unprotect (); + } + } + | multiplied_duration | music_embedded music_embedded music_list { $3 = scm_reverse_x ($3, SCM_EOL); if (unsmob_music ($2)) @@ -584,18 +624,49 @@ assignment: parser->lexer_->set_identifier (path, $4); $$ = SCM_UNSPECIFIED; } + | assignment_id '.' property_path '=' identifier_init { + SCM path = scm_cons (scm_string_to_symbol ($1), $3); + parser->lexer_->set_identifier (path, $5); + $$ = SCM_UNSPECIFIED; + } ; identifier_init: + identifier_init_nonumber + | number_expression + | post_event_nofinger post_events + { + $$ = scm_reverse_x ($2, SCM_EOL); + if (Music *m = unsmob_music ($1)) + { + if (m->is_mus_type ("post-event-wrapper")) + $$ = scm_append + (scm_list_2 (m->get_property ("elements"), + $$)); + else + $$ = scm_cons ($1, $$); + } + if (scm_is_pair ($$) + && scm_is_null (scm_cdr ($$))) + $$ = scm_car ($$); + else + { + Music * m = MY_MAKE_MUSIC ("PostEvents", @$); + m->set_property ("elements", $$); + $$ = m->unprotect (); + } + } + ; + +identifier_init_nonumber: score_block | book_block | bookpart_block | output_def | context_def_spec_block | music_assign - | post_event_nofinger - | number_expression + | pitch_or_music | FRACTION | string | embedded_scm @@ -607,12 +678,22 @@ context_def_spec_block: CONTEXT '{' context_def_spec_body '}' { $$ = $3; + unsmob_context_def ($$)->origin ()->set_spot (@$); } ; context_mod_arg: embedded_scm - | composite_music + | + { + SCM nn = parser->lexer_->lookup_identifier ("pitchnames"); + parser->lexer_->push_note_state (nn); + } + composite_music + { + parser->lexer_->pop_state (); + $$ = $2; + } ; context_mod_embedded: @@ -626,6 +707,7 @@ context_mod_embedded: $$ = $1; else { parser->parser_error (@1, _ ("not a context mod")); + $$ = Context_mod ().smobbed_copy (); } } ; @@ -634,11 +716,9 @@ context_mod_embedded: context_def_spec_body: /**/ { $$ = Context_def::make_scm (); - unsmob_context_def ($$)->origin ()->set_spot (@$); } | CONTEXT_DEF_IDENTIFIER { $$ = $1; - unsmob_context_def ($$)->origin ()->set_spot (@$); } | context_def_spec_body context_mod { if (!SCM_UNBNDP ($2)) @@ -665,6 +745,7 @@ context_def_spec_body: book_block: BOOK '{' book_body '}' { $$ = $3; + unsmob_book ($$)->origin ()->set_spot (@$); pop_paper (parser); parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F); } @@ -677,7 +758,6 @@ book_body: { Book *book = new Book; init_papers (parser); - book->origin ()->set_spot (@$); book->paper_ = dynamic_cast (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ()); book->paper_->unprotect (); push_paper (parser, book->paper_); @@ -686,7 +766,6 @@ book_body: parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$); } | BOOK_IDENTIFIER { - unsmob_book ($1)->origin ()->set_spot (@$); parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1); } | book_body paper_block { @@ -728,6 +807,10 @@ book_body: { SCM proc = parser->lexer_->lookup_identifier ("book-text-handler"); scm_call_2 (proc, $1, out); + } else if (unsmob_score ($2)) + { + SCM proc = parser->lexer_->lookup_identifier ("book-score-handler"); + scm_call_2 (proc, $1, $2); } else if (!scm_is_eq ($2, SCM_UNSPECIFIED)) parser->parser_error (@2, _("bad expression type")); } @@ -746,6 +829,7 @@ book_body: bookpart_block: BOOKPART '{' bookpart_body '}' { $$ = $3; + unsmob_book ($$)->origin ()->set_spot (@$); parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F); } ; @@ -753,12 +837,10 @@ bookpart_block: bookpart_body: { Book *book = new Book; - book->origin ()->set_spot (@$); $$ = book->unprotect (); parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$); } | BOOK_IDENTIFIER { - unsmob_book ($1)->origin ()->set_spot (@$); parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1); } | bookpart_body paper_block { @@ -795,6 +877,10 @@ bookpart_body: { SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler"); scm_call_2 (proc, $1, out); + } else if (unsmob_score ($2)) + { + SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler"); + scm_call_2 (proc, $1, $2); } else if (!scm_is_eq ($2, SCM_UNSPECIFIED)) parser->parser_error (@2, _("bad expression type")); } @@ -814,27 +900,69 @@ bookpart_body: score_block: SCORE '{' score_body '}' { + unsmob_score ($3)->origin ()->set_spot (@$); $$ = $3; } ; +score_headers: + /* empty */ + { + $$ = SCM_EOL; + } + | score_headers + { + if (!scm_is_pair ($1) + || !ly_is_module (scm_car ($1))) + $1 = scm_cons (ly_make_module (false), $1); + parser->lexer_->add_scope (scm_car ($1)); + } lilypond_header + { + $$ = $1; + } + | score_headers output_def + { + Output_def *od = unsmob_output_def ($2); + if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T) + { + parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead")); + + } + else + { + if (scm_is_pair ($1) && ly_is_module (scm_car ($1))) + scm_set_cdr_x ($1, scm_cons ($2, scm_cdr ($1))); + else + $$ = scm_cons ($2, $1); + } + } + ; + + + score_body: - music { + score_headers music { SCM scorify = ly_lily_module_constant ("scorify-music"); - $$ = scm_call_2 (scorify, $1, parser->self_scm ()); + $$ = scm_call_2 (scorify, $2, parser->self_scm ()); - unsmob_score ($$)->origin ()->set_spot (@$); + if (scm_is_pair ($1) && ly_is_module (scm_car ($1))) + { + unsmob_score ($$)->set_header (scm_car ($1)); + $1 = scm_cdr ($1); + } + for (SCM p = scm_reverse_x ($1, SCM_EOL); + scm_is_pair (p); p = scm_cdr (p)) + { + unsmob_score ($$)-> + add_output_def (unsmob_output_def (scm_car (p))); + } } | embedded_scm_active { - Score *score; - if (unsmob_score ($1)) - score = new Score (*unsmob_score ($1)); - else { - score = new Score; + if (!unsmob_score ($1)) + { + $$ = (new Score)->unprotect (); parser->parser_error (@1, _("score expected")); } - unsmob_score ($$)->origin ()->set_spot (@$); - $$ = score->unprotect (); } | score_body { @@ -920,17 +1048,8 @@ output_def_head_with_mode_switch: // is still time to escape from notes mode. music_or_context_def: - music_arg - { - parser->lexer_->pop_state (); - } - | CONTEXT - { - parser->lexer_->pop_state (); - } '{' context_def_spec_body '}' - { - $$ = $4; - } + music_assign + | context_def_spec_block ; output_def_body: @@ -957,6 +1076,7 @@ output_def_body: parser->lexer_->push_note_state (nn); } music_or_context_def { + parser->lexer_->pop_state (); if (unsmob_context_def ($3)) assign_context_def (unsmob_output_def ($1), $3); else { @@ -976,12 +1096,12 @@ tempo_event: TEMPO steno_duration '=' tempo_range { $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4); } - | TEMPO scalar_closed steno_duration '=' tempo_range { + | TEMPO scalar steno_duration '=' tempo_range { $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5); } | TEMPO scalar { $$ = MAKE_SYNTAX ("tempo", @$, $2); - } + } %prec ':' ; /* @@ -1011,8 +1131,17 @@ braced_music_list: } ; -music: music_arg +music: music_assign | lyric_element_music + | pitch_or_music + { + $$ = make_music_from_simple (parser, @1, $1); + if (!unsmob_music ($$)) + { + parser->parser_error (@1, _ ("music expected")); + $$ = MAKE_SYNTAX ("void-music", @$); + } + } ; music_embedded: @@ -1023,7 +1152,30 @@ music_embedded: $$ = SCM_UNSPECIFIED; } } - | embedded_scm + | music_embedded_backup + { + $$ = $1; + } + | music_embedded_backup BACKUP lyric_element_music + { + $$ = $3; + } + | multiplied_duration post_events + { + Music *n = MY_MAKE_MUSIC ("NoteEvent", @$); + + parser->default_duration_ = *unsmob_duration ($1); + n->set_property ("duration", $1); + + if (scm_is_pair ($2)) + n->set_property ("articulations", + scm_reverse_x ($2, SCM_EOL)); + $$ = n->unprotect (); + } + ; + +music_embedded_backup: + embedded_scm { if (scm_is_eq ($1, SCM_UNSPECIFIED)) $$ = $1; @@ -1034,23 +1186,18 @@ music_embedded: $$ = SCM_UNSPECIFIED; } else $$ = $1; - } else { + } else if (parser->lexer_->is_lyric_state () + && Text_interface::is_markup ($1)) + MYBACKUP (LYRIC_ELEMENT, $1, @1); + else { @$.warning (_ ("Ignoring non-music expression")); - $$ = SCM_UNSPECIFIED; + $$ = $1; } } ; -music_arg: - simple_music - { - $$ = make_music_from_simple (parser, @1, $1); - if (!unsmob_music ($$)) - parser->parser_error (@1, _ ("music expected")); - } - | composite_music %prec COMPOSITE - ; - +// music_assign does not need to contain lyrics: there are no +// assignments in lyricmode. music_assign: simple_music | composite_music %prec COMPOSITE @@ -1092,7 +1239,11 @@ simple_music: ; context_modification: - WITH { parser->lexer_->push_initial_state (); } '{' context_mod_list '}' + WITH + { + SCM nn = parser->lexer_->lookup_identifier ("pitchnames"); + parser->lexer_->push_note_state (nn); + } '{' context_mod_list '}' { parser->lexer_->pop_state (); $$ = $4; @@ -1105,8 +1256,12 @@ context_modification: { $$ = $1; } - | WITH embedded_scm_closed + | WITH context_modification_arg { + if (unsmob_music ($2)) { + SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler"); + $2 = scm_call_2 (proc, parser->self_scm (), $2); + } if (unsmob_context_mod ($2)) $$ = $2; else { @@ -1116,6 +1271,11 @@ context_modification: } ; +context_modification_arg: + embedded_scm + | MUSIC_IDENTIFIER + ; + optional_context_mod: /**/ { $$ = SCM_EOL; @@ -1150,16 +1310,6 @@ composite_music: | music_bare ; -/* Music that can be parsed without lookahead */ -closed_music: - music_bare - | complex_music_prefix closed_music - { - $$ = FINISH_MAKE_SYNTAX ($1, @$, $2); - } - | music_function_call_closed - ; - music_bare: mode_changed_music | MUSIC_IDENTIFIER @@ -1171,125 +1321,59 @@ grouped_music_list: | sequential_music { $$ = $1; } ; -/* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence: - MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS -and this rule returns the reversed list of arguments. */ - -/* Function argument lists come in a number of flavors. Whenever - * LilyPond has to pick between different flavors, the decision is - * either made because of tokens it has already seen, or it is - * postponed until tokens suitable for making the decision come up. - * For postponing decisions, it may be necessary that the competing - * rules are written in a way making them compatible until a decision - * can be made. Sometimes this is done by putting common traits into - * a separate "common" rule set. +/* Function argument lists are arguably the most complex part in the + * parser. They are pretty tricky to understand because of the way + * they are processed, and because of optional arguments that can be + * omitted. When there are several optional arguments in a row, + * omitting one automatically omits all following arguments. Optional + * arguments can only be omitted when either + * + * a) the omission is explicitly started with \default + * b) the omission is implicitly started by an argument not matching + * its predicate, and there is a mandatory argument later that can + * "catch" the argument that does not fit. + * + * When argument parsing starts, the lexer pushes EXPECT_SCM tokens + * (corresponding to mandatory arguments and having a predicate + * function as semantic value) or EXPECT_OPTIONAL EXPECT_SCM (where + * the semantic value of the EXPECT_OPTIONAL token is the default to + * use when the optional argument is omitted, and EXPECT_SCM again has + * the argument predicate as semantic value) in reverse order to the + * parser, followed by EXPECT_NO_MORE_ARGS. The argument list is then + * processed inside-out while actual tokens are consumed. * - * function_arglist: a full argument list. Optional arguments at the - * end of the list can only be skipped by writing \default in their - * place. + * This means that the argument list tokens determine the actions + * taken as they arrive. The structure of the argument list is known + * to the parser and stored in its parse stack when the first argument + * is being parsed. What the parser does not know is which predicates + * will match and whether or not \default will be appearing in the + * argument list, and where. * - * function_arglist_backup: an argument list ending in an optional - * argument that may be skipped depending on its predicate. + * Sequences of 0 or more optional arguments are scanned using either + * function_arglist_backup or function_arglist_nonbackup. The first + * is used when optional arguments are followed by at least one + * mandatory argument: in that case optional arguments may be skipped + * by either a false predicate (in which case the expression will be + * pushed back as one or more tokens, preceded by a BACKUP token) or + * by using \default. * - * function_arglist_skip: an argument list _not_ ending in an optional - * argument that is actually taken. + * If optional arguments are at the end of the argument list, they are + * instead scanned using function_arglist_nonbackup: here the only + * manner to enter into skipping of optional arguments is the use of + * \default. * - * function_arglist_nonbackup: an argument list ending in an optional - * argument that may not be skipped because it is in end position and - * has not been shortcircuited with \default. + * The argument list of a normal function call is parsed using + * function_arglist. The part of an argument list before a mandatory + * argument is parsed using function_arglist_optional. + * + * The difference is that leading optional arguments are scanned using + * function_arglist_nonbackup and function_arglist_backup, + * respectively. + * + * Most other details are obvious in the rules themselves. * - * function_arglist* / function_arglist_closed*: The closed variants - * don't end in simple music expressions that might still accept - * things like a duration or a postevent. */ -function_arglist_skip: - function_arglist_common - | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip - { - $$ = scm_cons ($1, $3); - } %prec FUNCTION_ARGLIST - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip - { - $$ = scm_cons ($1, $3); - } %prec FUNCTION_ARGLIST - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip - { - $$ = scm_cons ($1, $3); - } %prec FUNCTION_ARGLIST - ; - - -function_arglist_nonbackup_common: - EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords { - $$ = scm_cons ($4, $3); - } - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length { - $$ = scm_cons ($4, $3); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION - { - $$ = check_scheme_arg (parser, @4, $4, $3, $2); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger - { - $$ = check_scheme_arg (parser, @4, $4, $3, $2); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED - { - SCM n = scm_difference ($5, SCM_UNDEFINED); - if (scm_is_true (scm_call_1 ($2, n))) - $$ = scm_cons (n, $3); - else { - Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5); - t->set_property ("digit", $5); - $$ = check_scheme_arg (parser, @4, t->unprotect (), - $3, $2, n); - } - - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL - { - $$ = check_scheme_arg (parser, @4, - scm_difference ($5, SCM_UNDEFINED), - $3, $2); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER - { - $$ = check_scheme_arg (parser, @4, - scm_difference ($5, SCM_UNDEFINED), - $3, $2); - } - ; - -function_arglist_closed_nonbackup: - function_arglist_nonbackup_common - | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed - { - $$ = check_scheme_arg (parser, @4, $4, $3, $2); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed - { - $$ = check_scheme_arg (parser, @4, $4, $3, $2); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER - { - $$ = check_scheme_arg (parser, @4, - try_string_variants ($2, $4), - $3, $2, $4); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING - { - $$ = check_scheme_arg (parser, @4, - try_string_variants ($2, $4), - $3, $2, $4); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup - { - $$ = check_scheme_arg (parser, @4, $4, $3, $2); - } - ; - symbol_list_arg: SYMBOL_LIST | SYMBOL_LIST '.' symbol_list_rev @@ -1329,15 +1413,68 @@ symbol_list_element: function_arglist_nonbackup: - function_arglist_nonbackup_common - | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg + function_arglist_common + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup post_event_nofinger { $$ = check_scheme_arg (parser, @4, $4, $3, $2); } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' UNSIGNED + { + SCM n = scm_difference ($5, SCM_UNDEFINED); + if (scm_is_true (scm_call_1 ($2, n))) + $$ = scm_cons (n, $3); + else { + Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5); + t->set_property ("digit", $5); + $$ = check_scheme_arg (parser, @4, t->unprotect (), + $3, $2, n); + } + + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' REAL + { + $$ = check_scheme_arg (parser, @4, + scm_difference ($5, SCM_UNDEFINED), + $3, $2); + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' NUMBER_IDENTIFIER + { + $$ = check_scheme_arg (parser, @4, + scm_difference ($5, SCM_UNDEFINED), + $3, $2); + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup embedded_scm_arg + { + if (scm_is_true (scm_call_1 ($2, $4))) + $$ = scm_cons ($4, $3); + else + $$ = check_scheme_arg (parser, @4, + make_music_from_simple + (parser, @4, $4), + $3, $2); + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup bare_number_common { $$ = check_scheme_arg (parser, @4, $4, $3, $2); } + | function_arglist_nonbackup_reparse REPARSE pitch_or_music + { + if (scm_is_true (scm_call_1 ($2, $3))) + $$ = scm_cons ($3, $1); + else + $$ = check_scheme_arg (parser, @3, + make_music_from_simple + (parser, @3, $3), + $1, $2); + } + | function_arglist_nonbackup_reparse REPARSE duration_length + { + $$ = check_scheme_arg (parser, @3, $3, $1, $2); + } + | function_arglist_nonbackup_reparse REPARSE bare_number_common + { + $$ = check_scheme_arg (parser, @3, $3, $1, $2); + } | function_arglist_nonbackup_reparse REPARSE SCM_ARG { $$ = check_scheme_arg (parser, @3, $3, $1, $2); @@ -1353,7 +1490,7 @@ function_arglist_nonbackup: ; function_arglist_nonbackup_reparse: - EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER + EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup SCM_IDENTIFIER { $$ = $3; SCM res = try_string_variants ($2, $4); @@ -1370,7 +1507,29 @@ function_arglist_nonbackup_reparse: else MYREPARSE (@4, $2, SCM_ARG, $4); } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup pitch + { + $$ = $3; + if (scm_is_true + (scm_call_1 + ($2, make_music_from_simple + (parser, @4, $4)))) + MYREPARSE (@4, $2, PITCH_IDENTIFIER, $4); + else + MYREPARSE (@4, $2, SCM_ARG, $4); + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup steno_tonic_pitch + { + $$ = $3; + if (scm_is_true + (scm_call_1 + ($2, make_music_from_simple + (parser, @4, $4)))) + MYREPARSE (@4, $2, TONICNAME_PITCH, $4); + else + MYREPARSE (@4, $2, SCM_ARG, $4); + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup STRING { $$ = $3; SCM res = try_string_variants ($2, $4); @@ -1387,7 +1546,7 @@ function_arglist_nonbackup_reparse: else MYREPARSE (@4, $2, SCM_ARG, $4); } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup full_markup { $$ = $3; if (scm_is_true (scm_call_1 ($2, $4))) @@ -1400,30 +1559,46 @@ function_arglist_nonbackup_reparse: else MYREPARSE (@4, $2, SCM_ARG, $4); } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup UNSIGNED + { + $$ = $3; + if (scm_is_true (scm_call_1 ($2, $4))) + MYREPARSE (@4, $2, REAL, $4); + else { + SCM d = make_duration ($4); + if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d))) + MYREPARSE (@4, $2, REAL, $4); // trigger error + else + MYREPARSE (@4, $2, DURATION_IDENTIFIER, d); + } + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup DURATION_IDENTIFIER { + $$ = $3; + MYREPARSE (@4, $2, DURATION_IDENTIFIER, $4); + } ; -function_arglist_keep: - function_arglist_common - | function_arglist_backup - ; - -function_arglist_closed_keep: - function_arglist_closed_common - | function_arglist_backup - ; +// function_arglist_backup can't occur at the end of an argument +// list. function_arglist_backup: - EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed + function_arglist_common + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup embedded_scm_arg { if (scm_is_true (scm_call_1 ($2, $4))) - { $$ = scm_cons ($4, $3); - } else { - $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (SCM_ARG, $4, @4); + else { + $$ = make_music_from_simple (parser, @4, $4); + if (scm_is_true (scm_call_1 ($2, $$))) + $$ = scm_cons ($$, $3); + else + { + $$ = scm_cons (loc_on_music (@3, $1), $3); + MYBACKUP (SCM_ARG, $4, @4); + } } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup post_event_nofinger { if (scm_is_true (scm_call_1 ($2, $4))) { @@ -1433,58 +1608,87 @@ function_arglist_backup: MYBACKUP (EVENT_IDENTIFIER, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup pitch { - if (scm_is_true (scm_call_1 ($2, $4))) + if (scm_is_true + (scm_call_1 + ($2, make_music_from_simple + (parser, @4, $4)))) + { + $$ = $3; + MYREPARSE (@4, $2, PITCH_IDENTIFIER, $4); + } else if (scm_is_true (scm_call_1 ($2, $4))) $$ = scm_cons ($4, $3); else { $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (LYRIC_ELEMENT, $4, @4); + MYBACKUP (PITCH_IDENTIFIER, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup steno_tonic_pitch { - if (scm_is_true (scm_call_1 ($2, $4))) + if (scm_is_true + (scm_call_1 + ($2, make_music_from_simple + (parser, @4, $4)))) { $$ = $3; - MYREPARSE (@4, $2, UNSIGNED, $4); - } else { + MYREPARSE (@4, $2, TONICNAME_PITCH, $4); + } else if (scm_is_true (scm_call_1 ($2, $4))) + $$ = scm_cons ($4, $3); + else { + $$ = scm_cons (loc_on_music (@3, $1), $3); + MYBACKUP (TONICNAME_PITCH, $4, @4); + } + } + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup full_markup + { + if (scm_is_true (scm_call_1 ($2, $4))) + $$ = scm_cons ($4, $3); + else { $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (UNSIGNED, $4, @4); + MYBACKUP (LYRIC_ELEMENT, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup UNSIGNED { if (scm_is_true (scm_call_1 ($2, $4))) { - $$ = $3; MYREPARSE (@4, $2, REAL, $4); + $$ = $3; } else { - $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (REAL, $4, @4); + SCM d = make_duration ($4); + if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d))) + { + $$ = scm_cons (loc_on_music (@3, $1), $3); + MYBACKUP (UNSIGNED, $4, @4); + } else { + MYREPARSE (@4, $2, DURATION_IDENTIFIER, d); + $$ = $3; + } } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup REAL { if (scm_is_true (scm_call_1 ($2, $4))) { - $$ = scm_cons ($4, $3); + $$ = $3; + MYREPARSE (@4, $2, REAL, $4); } else { $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (NUMBER_IDENTIFIER, $4, @4); + MYBACKUP (REAL, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup NUMBER_IDENTIFIER { if (scm_is_true (scm_call_1 ($2, $4))) { $$ = scm_cons ($4, $3); } else { $$ = scm_cons (loc_on_music (@3, $1), $3); - MYBACKUP (FRACTION, $4, @4); + MYBACKUP (NUMBER_IDENTIFIER, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' UNSIGNED { SCM n = scm_difference ($5, SCM_UNDEFINED); if (scm_is_true (scm_call_1 ($2, n))) { @@ -1499,12 +1703,12 @@ function_arglist_backup: else { $$ = scm_cons (loc_on_music (@3, $1), $3); MYBACKUP (UNSIGNED, $5, @5); - parser->lexer_->push_extra_token ('-'); + parser->lexer_->push_extra_token (@4, '-'); } } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' REAL { SCM n = scm_difference ($5, SCM_UNDEFINED); if (scm_is_true (scm_call_1 ($2, n))) { @@ -1515,7 +1719,7 @@ function_arglist_backup: MYBACKUP (REAL, n, @5); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' NUMBER_IDENTIFIER { SCM n = scm_difference ($5, SCM_UNDEFINED); if (scm_is_true (scm_call_1 ($2, n))) { @@ -1525,15 +1729,18 @@ function_arglist_backup: MYBACKUP (NUMBER_IDENTIFIER, n, @5); } } - | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords - { - $$ = scm_cons ($4, $3); - } - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup DURATION_IDENTIFIER { - $$ = scm_cons ($4, $3); + if (scm_is_true (scm_call_1 ($2, $4))) + { + MYREPARSE (@4, $2, DURATION_IDENTIFIER, $4); + $$ = $3; + } else { + $$ = scm_cons (loc_on_music (@3, $1), $3); + MYBACKUP (DURATION_IDENTIFIER, $4, @4); + } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup SCM_IDENTIFIER { SCM res = try_string_variants ($2, $4); if (!SCM_UNBNDP (res)) @@ -1548,7 +1755,7 @@ function_arglist_backup: MYBACKUP (SCM_IDENTIFIER, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup STRING { SCM res = try_string_variants ($2, $4); if (!SCM_UNBNDP (res)) @@ -1563,12 +1770,22 @@ function_arglist_backup: MYBACKUP (STRING, $4, @4); } } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP + | function_arglist_backup REPARSE pitch_or_music { - $$ = scm_cons ($1, $3); - MYBACKUP(0, SCM_UNDEFINED, @3); + if (scm_is_true (scm_call_1 ($2, $3))) + $$ = scm_cons ($3, $1); + else + $$ = check_scheme_arg (parser, @3, + make_music_from_simple + (parser, @3, $3), + $1, $2); } - | function_arglist_backup REPARSE bare_number + | function_arglist_backup REPARSE bare_number_common + { + $$ = check_scheme_arg (parser, @3, + $3, $1, $2); + } + | function_arglist_backup REPARSE duration_length { $$ = check_scheme_arg (parser, @3, $3, $1, $2); @@ -1580,33 +1797,46 @@ function_arglist_backup: ; function_arglist: - function_arglist_common - | function_arglist_nonbackup + function_arglist_nonbackup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_nonbackup DEFAULT + { + $$ = scm_cons (loc_on_music (@4, $1), $3); + } ; -function_arglist_common: - function_arglist_bare - | EXPECT_SCM function_arglist_optional embedded_scm_arg +function_arglist_skip_nonbackup: + function_arglist_nonbackup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_nonbackup { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); + $$ = scm_cons (loc_on_music (@3, $1), $3); + } + ; + +function_arglist_common: + EXPECT_NO_MORE_ARGS { + $$ = SCM_EOL; } - | EXPECT_SCM function_arglist_closed_optional bare_number + | EXPECT_SCM function_arglist_optional embedded_scm_arg { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); + if (scm_is_true (scm_call_1 ($1, $3))) + $$ = scm_cons ($3, $2); + else + $$ = check_scheme_arg (parser, @3, + make_music_from_simple + (parser, @3, $3), + $2, $1); } - | EXPECT_SCM function_arglist_optional FRACTION + | EXPECT_SCM function_arglist_optional bare_number_common { $$ = check_scheme_arg (parser, @3, $3, $2, $1); } - | EXPECT_SCM function_arglist_closed_optional post_event_nofinger + | EXPECT_SCM function_arglist_optional post_event_nofinger { $$ = check_scheme_arg (parser, @3, $3, $2, $1); } - | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER + | EXPECT_SCM function_arglist_optional '-' NUMBER_IDENTIFIER { SCM n = scm_difference ($4, SCM_UNDEFINED); $$ = check_scheme_arg (parser, @4, n, $2, $1); @@ -1621,7 +1851,22 @@ function_arglist_common: $$ = check_scheme_arg (parser, @3, $3, $1, $2); } - | function_arglist_common_reparse REPARSE bare_number + | function_arglist_common_reparse REPARSE pitch_or_music + { + if (scm_is_true (scm_call_1 ($2, $3))) + $$ = scm_cons ($3, $1); + else + $$ = check_scheme_arg (parser, @3, + make_music_from_simple + (parser, @3, $3), + $1, $2); + } + | function_arglist_common_reparse REPARSE bare_number_common + { + $$ = check_scheme_arg (parser, @3, + $3, $1, $2); + } + | function_arglist_common_reparse REPARSE duration_length { $$ = check_scheme_arg (parser, @3, $3, $1, $2); @@ -1647,8 +1892,30 @@ function_arglist_common_reparse: ($1, make_music_from_simple (parser, @3, $3)))) MYREPARSE (@3, $1, LYRIC_ELEMENT, $3); else - // This is going to flag a syntax error, we - // know the predicate to be false. + // This is going to flag a syntax error, we + // know the predicate to be false. + MYREPARSE (@3, $1, SCM_ARG, $3); + } + | EXPECT_SCM function_arglist_optional pitch + { + $$ = $2; + if (scm_is_true + (scm_call_1 + ($1, make_music_from_simple + (parser, @3, $3)))) + MYREPARSE (@3, $1, PITCH_IDENTIFIER, $3); + else + MYREPARSE (@3, $1, SCM_ARG, $3); + } + | EXPECT_SCM function_arglist_optional steno_tonic_pitch + { + $$ = $2; + if (scm_is_true + (scm_call_1 + ($1, make_music_from_simple + (parser, @3, $3)))) + MYREPARSE (@3, $1, TONICNAME_PITCH, $3); + else MYREPARSE (@3, $1, SCM_ARG, $3); } | EXPECT_SCM function_arglist_optional STRING @@ -1683,7 +1950,25 @@ function_arglist_common_reparse: // know the predicate to be false. MYREPARSE (@3, $1, SCM_ARG, $3); } - | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED + | EXPECT_SCM function_arglist_optional UNSIGNED + { + $$ = $2; + if (scm_is_true (scm_call_1 ($1, $3))) + MYREPARSE (@3, $1, REAL, $3); + else { + SCM d = make_duration ($3); + if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($1, d))) + MYREPARSE (@3, $1, REAL, $3); + else + MYREPARSE (@3, $1, DURATION_IDENTIFIER, d); + } + } + | EXPECT_SCM function_arglist_optional DURATION_IDENTIFIER + { + $$ = $2; + MYREPARSE (@3, $1, DURATION_IDENTIFIER, $3); + } + | EXPECT_SCM function_arglist_optional '-' UNSIGNED { $$ = $2; SCM n = scm_difference ($4, SCM_UNDEFINED); @@ -1700,7 +1985,7 @@ function_arglist_common_reparse: } } - | EXPECT_SCM function_arglist_closed_optional '-' REAL + | EXPECT_SCM function_arglist_optional '-' REAL { $$ = $2; SCM n = scm_difference ($4, SCM_UNDEFINED); @@ -1708,117 +1993,20 @@ function_arglist_common_reparse: } ; -function_arglist_closed: - function_arglist_closed_common - | function_arglist_closed_nonbackup - ; - -function_arglist_closed_common: - function_arglist_bare - | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed - { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); - } - | EXPECT_SCM function_arglist_closed_optional bare_number - { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); - } - | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER - { - $$ = check_scheme_arg (parser, @3, - scm_difference ($4, SCM_UNDEFINED), - $2, $1); - } - | EXPECT_SCM function_arglist_closed_optional post_event_nofinger - { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); - } - | EXPECT_SCM function_arglist_optional FRACTION - { - $$ = check_scheme_arg (parser, @3, - $3, $2, $1); - } - | function_arglist_common_reparse REPARSE SCM_ARG - { - $$ = check_scheme_arg (parser, @3, - $3, $1, $2); - } - | function_arglist_common_reparse REPARSE bare_number - { - $$ = check_scheme_arg (parser, @3, - $3, $1, $2); - } - | function_arglist_common_reparse REPARSE symbol_list_arg - { - $$ = check_scheme_arg (parser, @3, $3, $1, $2); - } - ; - function_arglist_optional: - function_arglist_keep %prec FUNCTION_ARGLIST - | function_arglist_backup BACKUP - | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional - { - $$ = scm_cons ($1, $3); - } - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional + function_arglist_backup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_backup DEFAULT { - $$ = scm_cons ($1, $3); + $$ = scm_cons (loc_on_music (@4, $1), $3); } + | function_arglist_skip_backup BACKUP ; -function_arglist_closed_optional: - function_arglist_closed_keep %prec FUNCTION_ARGLIST - | function_arglist_backup BACKUP - | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional - { - $$ = scm_cons ($1, $3); - } - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional +function_arglist_skip_backup: + function_arglist_backup + | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_backup { - $$ = scm_cons ($1, $3); - } - ; - -embedded_scm_closed: - embedded_scm_bare - | scm_function_call_closed - ; - -embedded_scm_arg_closed: - embedded_scm_bare_arg - | scm_function_call_closed - | closed_music - ; - -scm_function_call_closed: - SCM_FUNCTION function_arglist_closed { - $$ = MAKE_SYNTAX ("music-function", @$, - $1, $2); - } %prec FUNCTION_ARGLIST - ; - -function_arglist_bare: - EXPECT_NO_MORE_ARGS { - $$ = SCM_EOL; - } - | EXPECT_PITCH function_arglist_optional pitch_also_in_chords { - $$ = scm_cons ($3, $2); - } - | EXPECT_DURATION function_arglist_closed_optional duration_length { - $$ = scm_cons ($3, $2); - } - | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT { - $$ = scm_cons ($1, $3); - } - | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT { - $$ = scm_cons ($1, $3); - } - | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT { - $$ = scm_cons ($1, $3); + $$ = scm_cons (loc_on_music (@3, $1), $3); } ; @@ -1848,14 +2036,14 @@ complex_music: ; complex_music_prefix: - CONTEXT simple_string optional_id optional_context_mod { + CONTEXT symbol optional_id optional_context_mod { Context_mod *ctxmod = unsmob_context_mod ($4); SCM mods = SCM_EOL; if (ctxmod) mods = ctxmod->get_mods (); $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F); } - | NEWCONTEXT simple_string optional_id optional_context_mod { + | NEWCONTEXT symbol optional_id optional_context_mod { Context_mod *ctxmod = unsmob_context_mod ($4); SCM mods = SCM_EOL; if (ctxmod) @@ -1979,8 +2167,8 @@ re_rhythmed_music: ; context_change: - CHANGE STRING '=' STRING { - $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4); + CHANGE symbol '=' simple_string { + $$ = MAKE_SYNTAX ("context-change", @$, $2, $4); } ; @@ -1995,13 +2183,11 @@ property_path: ; property_operation: - STRING '=' scalar { - $$ = scm_list_3 (ly_symbol2scm ("assign"), - scm_string_to_symbol ($1), $3); + symbol '=' scalar { + $$ = scm_list_3 (ly_symbol2scm ("assign"), $1, $3); } - | UNSET simple_string { - $$ = scm_list_2 (ly_symbol2scm ("unset"), - scm_string_to_symbol ($2)); + | UNSET symbol { + $$ = scm_list_2 (ly_symbol2scm ("unset"), $2); } | OVERRIDE property_path '=' scalar { if (scm_ilength ($2) < 2) { @@ -2043,6 +2229,13 @@ property_operation: // \revert Accidental.color revert_arg: + revert_arg_backup BACKUP symbol_list_arg + { + $$ = $3; + } + ; + +revert_arg_backup: revert_arg_part { if (scm_is_null ($1) @@ -2051,20 +2244,16 @@ revert_arg: else MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1); } - | revert_arg BACKUP symbol_list_arg - { - $$ = $3; - } ; // revert_arg_part delivers results in reverse revert_arg_part: symbol_list_part - | revert_arg BACKUP SCM_ARG '.' symbol_list_part + | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part { $$ = scm_append_x (scm_list_2 ($5, $3)); } - | revert_arg BACKUP SCM_ARG symbol_list_part + | revert_arg_backup BACKUP SCM_ARG symbol_list_part { $$ = scm_append_x (scm_list_2 ($4, $3)); } @@ -2225,10 +2414,10 @@ simple_revert_context: (scm_object_property (scm_car ($1), ly_symbol2scm ("is-grob?")))) { $$ = ly_symbol2scm ("Bottom"); - parser->lexer_->push_extra_token (SCM_IDENTIFIER, $1); + parser->lexer_->push_extra_token (@1, SCM_IDENTIFIER, $1); } else { $$ = scm_car ($1); - parser->lexer_->push_extra_token (SCM_IDENTIFIER, + parser->lexer_->push_extra_token (@1, SCM_IDENTIFIER, scm_cdr ($1)); } } @@ -2248,17 +2437,6 @@ string: $$ = $1; } | full_markup - | string '+' string { - if (!scm_is_string ($1)) { - parser->parser_error (@1, (_ ("simple string expected"))); - $1 = scm_string (SCM_EOL); - } - if (!scm_is_string ($3)) { - parser->parser_error (@3, (_ ("simple string expected"))); - $3 = scm_string (SCM_EOL); - } - $$ = scm_string_append (scm_list_2 ($1, $3)); - } ; simple_string: STRING { @@ -2275,57 +2453,66 @@ simple_string: STRING { } ; -scalar: - embedded_scm_arg - | SCM_IDENTIFIER - | bare_number - | FRACTION - | lyric_element +symbol: + STRING { + $$ = scm_string_to_symbol ($1); + } + | embedded_scm_bare + { + // This is a bit of overkill but makes the same + // routine responsible for all symbol interpretations. + $$ = try_string_variants (ly_lily_module_constant ("symbol?"), + $1); + if (SCM_UNBNDP ($$)) + { + parser->parser_error (@1, (_ ("symbol expected"))); + // Generate a unique symbol in case it is used + // for an assignment or similar + $$ = scm_make_symbol (ly_string2scm ("undefined")); + } + } ; -scalar_closed: - embedded_scm_arg_closed +scalar: + embedded_scm_arg + | pitch_or_music | SCM_IDENTIFIER | bare_number - | FRACTION - | lyric_element + // The following is a rather defensive variant of admitting + // negative numbers: the grammar would permit number_factor or + // even number_expression. However, function arguments allow + // only this simple kind of negative number, so to have things + // like \tweak and \override behave reasonably similar, it + // makes sense to rule out things like -- which are rather an + // accent in function argument contexts. + | '-' bare_number + { + $$ = scm_difference ($2, SCM_UNDEFINED); + } + | string ; - event_chord: simple_element post_events { // Let the rhythmic music iterator sort this mess out. if (scm_is_pair ($2)) { - $$ = make_music_from_simple (parser, @1, $1); - if (unsmob_music ($$)) - unsmob_music ($$)->set_property ("articulations", - scm_reverse_x ($2, SCM_EOL)); - else - parser->parser_error (@1, _("music expected")); + unsmob_music ($$)->set_property ("articulations", + scm_reverse_x ($2, SCM_EOL)); } - } - | simple_chord_elements post_events { - SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL)); - - Input i; - /* why is this giving wrong start location? -ns - * i = @$; */ - i.set_location (@1, @2); - $$ = MAKE_SYNTAX ("event-chord", i, elts); - } + } %prec ':' | CHORD_REPETITION optional_notemode_duration post_events { Input i; i.set_location (@1, @3); $$ = MAKE_SYNTAX ("repetition-chord", i, $2, scm_reverse_x ($3, SCM_EOL)); - } + } %prec ':' | MULTI_MEASURE_REST optional_notemode_duration post_events { Input i; i.set_location (@1, @3); $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2, scm_reverse_x ($3, SCM_EOL)); - } - | command_element + } %prec ':' + | tempo_event | note_chord_element ; @@ -2345,7 +2532,7 @@ note_chord_element: m-> set_property ("elements", es); m->set_spot (@$); $$ = m->self_scm (); - } + } %prec ':' ; chord_body: @@ -2421,75 +2608,34 @@ music_function_chord_body: | MUSIC_IDENTIFIER ; -// Event functions may only take closed arglists, otherwise it would -// not be clear whether a following postevent should be associated -// with the last argument of the event function or with the expression -// for which the function call acts itself as event. - -music_function_call_closed: - MUSIC_FUNCTION function_arglist_closed { - $$ = MAKE_SYNTAX ("music-function", @$, - $1, $2); - } - ; - event_function_event: - EVENT_FUNCTION function_arglist_closed { + EVENT_FUNCTION function_arglist { $$ = MAKE_SYNTAX ("music-function", @$, $1, $2); } ; -command_element: - command_event { - $$ = $1; - } - | E_BRACKET_OPEN { - Music *m = MY_MAKE_MUSIC ("LigatureEvent", @$); - m->set_property ("span-direction", scm_from_int (START)); - $$ = m->unprotect(); - } - | E_BRACKET_CLOSE { - Music *m = MY_MAKE_MUSIC ("LigatureEvent", @$); - m->set_property ("span-direction", scm_from_int (STOP)); - $$ = m->unprotect (); - } - | E_BACKSLASH { - $$ = MAKE_SYNTAX ("voice-separator", @$); - } - | '|' { - SCM pipe = parser->lexer_->lookup_identifier ("pipeSymbol"); - - Music *m = unsmob_music (pipe); - if (m) - { - m = m->clone (); - m->set_spot (@$); - $$ = m->unprotect (); - } - else - $$ = MAKE_SYNTAX ("bar-check", @$); - - } - ; - -command_event: - E_TILDE { - $$ = MY_MAKE_MUSIC ("PesOrFlexaEvent", @$)->unprotect (); - } - | tempo_event { - $$ = $1; - } - ; - - post_events: /* empty */ { $$ = SCM_EOL; } | post_events post_event { - unsmob_music ($2)->set_spot (@2); - $$ = scm_cons ($2, $$); + $$ = $1; + if (Music *m = unsmob_music ($2)) + { + if (m->is_mus_type ("post-event-wrapper")) + { + for (SCM p = m->get_property ("elements"); + scm_is_pair (p); + p = scm_cdr (p)) + { + $$ = scm_cons (scm_car (p), $$); + } + } else { + m->set_spot (@2); + $$ = scm_cons ($2, $$); + } + } } ; @@ -2497,9 +2643,12 @@ post_event_nofinger: direction_less_event { $$ = $1; } - | script_dir music_function_call_closed { + | script_dir music_function_call { $$ = $2; - if (!SCM_UNBNDP ($1)) + if (!unsmob_music ($2)->is_mus_type ("post-event")) { + parser->parser_error (@2, _ ("post-event expected")); + $$ = SCM_UNSPECIFIED; + } else if (!SCM_UNBNDP ($1)) { unsmob_music ($$)->set_property ("direction", $1); } @@ -2557,55 +2706,8 @@ string_number_event: } ; -direction_less_char: - '[' { - $$ = ly_symbol2scm ("bracketOpenSymbol"); - } - | ']' { - $$ = ly_symbol2scm ("bracketCloseSymbol"); - } - | '~' { - $$ = ly_symbol2scm ("tildeSymbol"); - } - | '(' { - $$ = ly_symbol2scm ("parenthesisOpenSymbol"); - } - | ')' { - $$ = ly_symbol2scm ("parenthesisCloseSymbol"); - } - | E_EXCLAMATION { - $$ = ly_symbol2scm ("escapedExclamationSymbol"); - } - | E_OPEN { - $$ = ly_symbol2scm ("escapedParenthesisOpenSymbol"); - } - | E_CLOSE { - $$ = ly_symbol2scm ("escapedParenthesisCloseSymbol"); - } - | E_ANGLE_CLOSE { - $$ = ly_symbol2scm ("escapedBiggerSymbol"); - } - | E_ANGLE_OPEN { - $$ = ly_symbol2scm ("escapedSmallerSymbol"); - } - ; - direction_less_event: - direction_less_char { - SCM predefd = parser->lexer_->lookup_identifier_symbol ($1); - Music *m = 0; - if (unsmob_music (predefd)) - { - m = unsmob_music (predefd)->clone (); - m->set_spot (@$); - } - else - { - m = MY_MAKE_MUSIC ("Music", @$); - } - $$ = m->unprotect (); - } - | string_number_event + string_number_event | EVENT_IDENTIFIER { $$ = $1; } @@ -2623,11 +2725,21 @@ direction_reqd_event: } | script_abbreviation { SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1)); - Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$); - if (scm_is_string (s)) + if (scm_is_string (s)) { + Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$); a->set_property ("articulation-type", s); - else parser->parser_error (@1, _ ("expecting string as script definition")); - $$ = a->unprotect (); + $$ = a->unprotect (); + } else { + Music *original = unsmob_music (s); + if (original && original->is_mus_type ("post-event")) { + Music *a = original->clone (); + a->set_spot (parser->lexer_->override_input (@$)); + $$ = a->unprotect (); + } else { + parser->parser_error (@1, _ ("expecting string or post-event as script definition")); + $$ = MY_MAKE_MUSIC ("PostEvents", @$)->unprotect (); + } + } } ; @@ -2691,12 +2803,14 @@ steno_tonic_pitch: pitch: steno_pitch - | PITCH_IDENTIFIER - ; - -pitch_also_in_chords: - pitch - | steno_tonic_pitch + | PITCH_IDENTIFIER quotes { + if (!scm_is_eq (SCM_INUM0, $2)) + { + Pitch p = *unsmob_pitch ($1); + p = p.transposed (Pitch (scm_to_int ($2),0,0)); + $$ = p.smobbed_copy (); + } + } ; gen_text_def: @@ -2711,7 +2825,7 @@ gen_text_def: make_simple_markup ($1)); $$ = t->unprotect (); } - | embedded_scm_closed + | embedded_scm { Music *m = unsmob_music ($1); if (m && m->is_mus_type ("post-event")) @@ -2743,8 +2857,8 @@ script_abbreviation: | '-' { $$ = scm_from_locale_string ("Dash"); } - | '|' { - $$ = scm_from_locale_string ("Bar"); + | '!' { + $$ = scm_from_locale_string ("Bang"); } | ANGLE_CLOSE { $$ = scm_from_locale_string ("Larger"); @@ -2772,7 +2886,7 @@ duration_length: maybe_notemode_duration: { $$ = SCM_UNDEFINED; - } + } %prec ':' | multiplied_duration { $$ = $1; parser->default_duration_ = *unsmob_duration ($$); @@ -2790,14 +2904,12 @@ optional_notemode_duration: steno_duration: UNSIGNED dots { - int len = 0; - int n = scm_to_int ($1); - if (!is_duration (n)) - parser->parser_error (@1, _f ("not a duration: %d", n)); - else - len = intlog2 (n); - - $$ = Duration (len, scm_to_int ($2)).smobbed_copy (); + $$ = make_duration ($1, scm_to_int ($2)); + if (SCM_UNBNDP ($$)) + { + parser->parser_error (@1, _ ("not a duration")); + $$ = Duration ().smobbed_copy (); + } } | DURATION_IDENTIFIER dots { Duration *d = unsmob_duration ($1); @@ -2837,9 +2949,8 @@ tremolo_type: $$ = SCM_INUM0; } | ':' UNSIGNED { - int n = scm_to_int ($2); - if (!is_duration (n)) - parser->parser_error (@2, _f ("not a duration: %d", n)); + if (SCM_UNBNDP (make_duration ($2))) + parser->parser_error (@2, _ ("not a duration")); $$ = $2; } ; @@ -2901,38 +3012,23 @@ bass_figure: } | bass_figure figured_bass_modification { Music *m = unsmob_music ($1); - if ($2 == ly_symbol2scm ("plus")) - { - m->set_property ("augmented", SCM_BOOL_T); - } - else if ($2 == ly_symbol2scm ("slash")) - { - m->set_property ("diminished", SCM_BOOL_T); - } - else if ($2 == ly_symbol2scm ("exclamation")) - { - m->set_property ("no-continuation", SCM_BOOL_T); - } - else if ($2 == ly_symbol2scm ("backslash")) - { - m->set_property ("augmented-slash", SCM_BOOL_T); - } + m->set_property ($2, SCM_BOOL_T); } ; figured_bass_modification: E_PLUS { - $$ = ly_symbol2scm ("plus"); + $$ = ly_symbol2scm ("augmented"); } | E_EXCLAMATION { - $$ = ly_symbol2scm ("exclamation"); + $$ = ly_symbol2scm ("no-continuation"); } | '/' { - $$ = ly_symbol2scm ("slash"); + $$ = ly_symbol2scm ("diminished"); } | E_BACKSLASH { - $$ = ly_symbol2scm ("backslash"); + $$ = ly_symbol2scm ("augmented-slash"); } ; @@ -2967,15 +3063,16 @@ optional_rest: | REST { $$ = SCM_BOOL_T; } ; -simple_element: - pitch exclamations questions octave_check maybe_notemode_duration optional_rest { +pitch_or_music: + pitch exclamations questions octave_check maybe_notemode_duration optional_rest post_events { if (!parser->lexer_->is_note_state ()) parser->parser_error (@1, _ ("have to be in Note mode for notes")); if (!SCM_UNBNDP ($2) || !SCM_UNBNDP ($3) || scm_is_number ($4) || !SCM_UNBNDP ($5) - || scm_is_true ($6)) + || scm_is_true ($6) + || scm_is_pair ($7)) { Music *n = 0; if (scm_is_true ($6)) @@ -3000,11 +3097,31 @@ simple_element: n->set_property ("cautionary", SCM_BOOL_T); if (to_boolean ($2) || to_boolean ($3)) n->set_property ("force-accidental", SCM_BOOL_T); - + if (scm_is_pair ($7)) + n->set_property ("articulations", + scm_reverse_x ($7, SCM_EOL)); $$ = n->unprotect (); } - } - | DRUM_PITCH optional_notemode_duration { + } %prec ':' + | simple_chord_elements post_events { + if (scm_is_pair ($2)) { + if (unsmob_pitch ($1)) + $1 = make_chord_elements (@1, + $1, + parser->default_duration_.smobbed_copy (), + SCM_EOL); + + SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL)); + + $$ = MAKE_SYNTAX ("event-chord", @1, elts); + } else if (!unsmob_pitch ($1)) + $$ = MAKE_SYNTAX ("event-chord", @1, $1); + // A mere pitch drops through. + } %prec ':' + ; + +simple_element: + DRUM_PITCH optional_notemode_duration { Music *n = MY_MAKE_MUSIC ("NoteEvent", @$); n->set_property ("duration", $2); n->set_property ("drum-type", $1); @@ -3026,6 +3143,7 @@ simple_element: } ; +// Can return a single pitch rather than a list. simple_chord_elements: new_chord { if (!parser->lexer_->is_chord_state ()) @@ -3043,9 +3161,13 @@ simple_chord_elements: lyric_element: full_markup { + if (!parser->lexer_->is_lyric_state ()) + parser->parser_error (@1, _ ("markup outside of text script or \\lyricmode")); $$ = $1; } | STRING { + if (!parser->lexer_->is_lyric_state ()) + parser->parser_error (@1, _ ("unrecognized string, not in text script or \\lyricmode")); $$ = $1; } | LYRIC_ELEMENT @@ -3053,23 +3175,25 @@ lyric_element: lyric_element_music: lyric_element optional_notemode_duration post_events { - if (!parser->lexer_->is_lyric_state ()) - parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics")); $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2); if (scm_is_pair ($3)) unsmob_music ($$)->set_property ("articulations", scm_reverse_x ($3, SCM_EOL)); - } + } %prec ':' ; +// Can return a single pitch rather than a list. new_chord: - steno_tonic_pitch optional_notemode_duration { - $$ = make_chord_elements (@$, $1, $2, SCM_EOL); + steno_tonic_pitch maybe_notemode_duration { + if (SCM_UNBNDP ($2)) + $$ = $1; + else + $$ = make_chord_elements (@$, $1, $2, SCM_EOL); } | steno_tonic_pitch optional_notemode_duration chord_separator chord_items { SCM its = scm_reverse_x ($4, SCM_EOL); $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its)); - } + } %prec ':' ; chord_items: @@ -3128,10 +3252,10 @@ step_number: ; tempo_range: - UNSIGNED { + unsigned_number { $$ = $1; - } - | UNSIGNED '~' UNSIGNED { + } %prec ':' + | unsigned_number '-' unsigned_number { $$ = scm_cons ($1, $3); } ; @@ -3171,26 +3295,43 @@ number_factor: | bare_number ; +bare_number_common: + REAL + | NUMBER_IDENTIFIER + | REAL NUMBER_IDENTIFIER + { + $$ = scm_product ($1, $2); + } + ; bare_number: - bare_number_closed + bare_number_common + | UNSIGNED | UNSIGNED NUMBER_IDENTIFIER { $$ = scm_product ($1, $2); } - | REAL NUMBER_IDENTIFIER { - $$ = scm_product ($1, $2); - } - ; - -bare_number_closed: - UNSIGNED - | REAL - | NUMBER_IDENTIFIER ; unsigned_number: UNSIGNED | NUMBER_IDENTIFIER + { + if (!scm_is_integer ($1) + || scm_is_true (scm_negative_p ($1))) + { + parser->parser_error (@1, _("not an unsigned integer")); + $$ = SCM_INUM0; + } + } + | embedded_scm + { + if (!scm_is_integer ($1) + || scm_is_true (scm_negative_p ($1))) + { + parser->parser_error (@1, _("not an unsigned integer")); + $$ = SCM_INUM0; + } + } ; exclamations: @@ -3205,7 +3346,13 @@ exclamations: ; questions: - { $$ = SCM_UNDEFINED; } +// This precedence rule is rather weird. It triggers when '!' is +// encountered after a pitch, and is used for deciding whether to save +// this instead for a figure modification. This should not actually +// occur in practice as pitches and figures are generated in different +// modes. Using a greedy (%right) precedence makes sure that we don't +// get stuck in a wrong interpretation. + { $$ = SCM_UNDEFINED; } %prec ':' | questions '?' { if (SCM_UNBNDP ($1)) @@ -3237,8 +3384,10 @@ markup_top: markup_list { $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1); } - | markup_head_1_list simple_markup { - $$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2))); + | markup_head_1_list simple_markup + { + $$ = scm_car (MAKE_SYNTAX ("composed-markup-list", + @2, $1, scm_list_1 ($2))); } | simple_markup { $$ = $1; @@ -3264,7 +3413,11 @@ markup_list: markup_composed_list { $$ = $1; } - | markup_braced_list { + | markup_uncomposed_list + ; + +markup_uncomposed_list: + markup_braced_list { $$ = $1; } | markup_command_list { @@ -3274,12 +3427,20 @@ markup_list: { $$ = $2; } + | SCORELINES { + SCM nn = parser->lexer_->lookup_identifier ("pitchnames"); + parser->lexer_->push_note_state (nn); + } '{' score_body '}' { + unsmob_score ($4)->origin ()->set_spot (@$); + $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $4)); + parser->lexer_->pop_state (); + } ; markup_composed_list: - markup_head_1_list markup_braced_list { - $$ = scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, $2); - + markup_head_1_list markup_uncomposed_list { + $$ = MAKE_SYNTAX ("composed-markup-list", + @2, $1, $2); } ; @@ -3309,7 +3470,7 @@ markup_command_basic_arguments: EXPECT_MARKUP_LIST markup_command_list_arguments markup_list { $$ = scm_cons ($3, $2); } - | EXPECT_SCM markup_command_list_arguments embedded_scm_closed { + | EXPECT_SCM markup_command_list_arguments embedded_scm { $$ = check_scheme_arg (parser, @3, $3, $2, $1); } | EXPECT_NO_MORE_ARGS { @@ -3347,6 +3508,7 @@ simple_markup: SCM nn = parser->lexer_->lookup_identifier ("pitchnames"); parser->lexer_->push_note_state (nn); } '{' score_body '}' { + unsmob_score ($4)->origin ()->set_spot (@$); $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $4); parser->lexer_->pop_state (); } @@ -3360,9 +3522,10 @@ simple_markup: ; markup: - markup_head_1_list simple_markup { - SCM mapper = ly_lily_module_constant ("map-markup-command-list"); - $$ = scm_car (scm_call_2 (mapper, $1, scm_list_1 ($2))); + markup_head_1_list simple_markup + { + $$ = scm_car (MAKE_SYNTAX ("composed-markup-list", + @2, $1, scm_list_1 ($2))); } | simple_markup { $$ = $1; @@ -3421,9 +3584,6 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid) } else if (Music *mus = unsmob_music (sid)) { mus = mus->clone (); *destination = mus->self_scm (); - unsmob_music (*destination)-> - set_property ("origin", make_input (last_input_)); - bool is_event = mus->is_mus_type ("post-event"); mus->unprotect (); return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER; @@ -3440,6 +3600,9 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid) *destination = p->self_scm (); p->unprotect (); return OUTPUT_DEF_IDENTIFIER; + } else if (unsmob_score (sid)) { + *destination = unsmob_score (sid)->clone ()->unprotect (); + return SCM_IDENTIFIER; } return -1; @@ -3596,9 +3759,12 @@ make_music_from_simple (Lily_parser *parser, Input loc, SCM simple) parser->default_duration_.smobbed_copy ()); } else if (parser->lexer_->is_chord_state ()) { if (unsmob_pitch (simple)) - return make_chord_elements (loc, simple, - parser->default_duration_.smobbed_copy (), - SCM_EOL); + return MAKE_SYNTAX + ("event-chord", + loc, + make_chord_elements (loc, simple, + parser->default_duration_.smobbed_copy (), + SCM_EOL)); } return simple; } @@ -3617,10 +3783,14 @@ make_simple_markup (SCM a) return a; } -bool -is_duration (int t) +SCM +make_duration (SCM d, int dots) { - return t && t == 1 << intlog2 (t); + int t = scm_to_int (d); + if (t > 0 && (t & (t-1)) == 0) + return Duration (intlog2 (t), dots).smobbed_copy (); + else + return SCM_UNDEFINED; } SCM @@ -3657,6 +3827,9 @@ yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser) lex->lexval_ = s; lex->lexloc_ = loc; + int tok = lex->pop_extra_token (); + if (tok >= 0) + return tok; lex->prepare_for_next_token (); return lex->yylex (); }