]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
Doc: Augment description of how to customise staff line positions (3175)
[lilypond.git] / lily / parser.yy
index 77075a2882f75eeeee2656217b8337aedd2560a7..cda631865443a1fe04b820d56b223f4658604094 100644 (file)
@@ -194,7 +194,9 @@ 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 +205,12 @@ 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 ();
@@ -594,7 +596,28 @@ identifier_init:
        | output_def
        | context_def_spec_block
        | music_assign
-       | post_event_nofinger
+       | 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 ($$);
+               else
+               {
+                       Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
+                       m->set_property ("elements", $$);
+                       $$ = m->unprotect ();
+               }
+       }
        | number_expression
        | FRACTION
        | string
@@ -1023,20 +1046,34 @@ music_embedded:
                        $$ = SCM_UNSPECIFIED;
                }
        }
-       | embedded_scm
+       | music_embedded_backup BACKUP SCM_ARG
+       {
+               $$ = $3;
+       }
+       | music_embedded_backup BACKUP lyric_element_music
+       {
+               $$ = $3;
+       }
+       ;
+
+music_embedded_backup:
+       embedded_scm_closed
        {
                if (scm_is_eq ($1, SCM_UNSPECIFIED))
-                       $$ = $1;
+                       MYBACKUP (SCM_ARG, $1, @1);
                else if (Music *m = unsmob_music ($1)) {
                        if (m->is_mus_type ("post-event")) {
                                parser->parser_error
                                        (@1, _ ("unexpected post-event"));
-                               $$ = SCM_UNSPECIFIED;
+                               MYBACKUP (SCM_ARG, SCM_UNSPECIFIED, @1);
                        } else
-                               $$ = $1;
-               } else {
+                               MYBACKUP (SCM_ARG, $1, @1);
+               } else if (parser->lexer_->is_lyric_state ()
+                          && Text_interface::is_markup ($1))
+                       MYBACKUP (LYRIC_ELEMENT, $1, @1);
+               else {
                        @$.warning (_ ("Ignoring non-music expression"));
-                       $$ = SCM_UNSPECIFIED;
+                       MYBACKUP (SCM_ARG, SCM_UNSPECIFIED, @1);
                }
        }
        ;
@@ -2043,6 +2080,13 @@ property_operation:
 // \revert Accidental.color
 
 revert_arg:
+       revert_arg_backup BACKUP symbol_list_arg
+       {
+               $$ = $3;
+       }
+       ;
+
+revert_arg_backup:
        revert_arg_part
        {
                if (scm_is_null ($1)
@@ -2051,20 +2095,16 @@ revert_arg:
                else
                        MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
        }
-       | revert_arg BACKUP symbol_list_arg
-       {
-               $$ = $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));
        }               
@@ -2488,8 +2528,22 @@ post_events:
                $$ = SCM_EOL;
        }
        | post_events post_event {
-               unsmob_music ($2)->set_spot (@2);
-               $$ = 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);
+                               $$ = scm_cons ($2, $$);
+                       }
+               }
        }
        ;
 
@@ -2499,7 +2553,10 @@ post_event_nofinger:
        }
        | script_dir music_function_call_closed {
                $$ = $2;
-               if (!SCM_UNBNDP ($1))
+               if (!unsmob_music ($2)->is_mus_type ("post-event")) {
+                       parser->parser_error (@2, _ ("post-event expected"));
+                       $$ = SCM_UNSPECIFIED;
+               } else if (!SCM_UNBNDP ($1))
                {
                        unsmob_music ($$)->set_property ("direction", $1);
                }
@@ -3053,6 +3110,8 @@ 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
@@ -3232,11 +3291,13 @@ full_markup:
        ;
 
 markup_top:
-       markup_list {
+       simple_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;
@@ -3258,11 +3319,15 @@ markup_scm:
        ;
                        
 
-markup_list:
+simple_markup_list:
        markup_composed_list {
                $$ = $1;
        }
-       | markup_braced_list {
+       | markup_uncomposed_list
+       ;
+
+markup_uncomposed_list:
+       markup_braced_list {
                $$ = $1;
        }
        | markup_command_list {
@@ -3274,10 +3339,28 @@ markup_list:
        }
        ;
 
-markup_composed_list:
-       markup_head_1_list markup_braced_list {
-               $$ = scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, $2);
+markup_list:
+       simple_markup_list
+       | markup_score
+       {
+               $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
+       }
+       ;
+
+markup_score:
+       SCORE {
+               SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
+               parser->lexer_->push_note_state (nn);
+       } '{' score_body '}' {
+               $$ = $4;
+               parser->lexer_->pop_state ();
+       }
+       ;
 
+markup_composed_list:
+       markup_head_1_list markup_uncomposed_list {
+               $$ = MAKE_SYNTAX ("composed-markup-list",
+                                 @2, $1, $2);
        }
        ;
 
@@ -3292,7 +3375,7 @@ markup_braced_list_body:
        | markup_braced_list_body markup {
                $$ = scm_cons ($2, $1);
        }
-       | markup_braced_list_body markup_list {
+       | markup_braced_list_body simple_markup_list {
                $$ = scm_reverse_x ($2, $1);
        }
        ;
@@ -3341,13 +3424,6 @@ simple_markup:
        STRING {
                $$ = make_simple_markup ($1);
        }
-       | SCORE {
-               SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
-               parser->lexer_->push_note_state (nn);
-       } '{' score_body '}' {
-               $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $4);
-               parser->lexer_->pop_state ();
-       }
        | MARKUP_FUNCTION markup_command_basic_arguments {
                $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
        }
@@ -3355,12 +3431,17 @@ simple_markup:
        {
                $$ = $2;
        }
+       | markup_score
+       {
+               $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
+       }
        ;
 
 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;
@@ -3419,9 +3500,6 @@ 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;