2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef MY_LILY_LEXER_HH
21 #define MY_LILY_LEXER_HH
23 #include "includable-lexer.hh"
26 #include "duration.hh"
34 struct Chord_repetition
38 last_chord_ = SCM_EOL;
39 repetition_function_ = SCM_EOL;
40 repetition_symbol_ = SCM_EOL;
43 SCM repetition_symbol_;
44 SCM repetition_function_;
48 class Lily_lexer : public Includable_lexer
50 DECLARE_SMOBS (Lily_lexer);
53 int lookup_keyword (string);
54 int scan_bare_word (string);
55 SCM scan_markup_word (string);
56 int scan_escaped_word (string);
57 int scan_scm_id (SCM);
58 int identifier_type (SCM);
59 char escaped_char (char) const;
60 const char * YYText_utf8 ();
63 Keyword_table *keytable_;
76 /* Scheme hash tables with (oct name acc) values, and symbol keys. */
77 SCM chordmodifier_tab_;
78 SCM pitchname_tab_stack_;
80 Chord_repetition chord_repetition_;
85 Lily_lexer (Sources *, Lily_parser *);
86 Lily_lexer (Lily_lexer const &, Lily_parser *);
89 void add_lexed_char (int);
91 void prepare_for_next_token ();
92 int try_special_identifiers (SCM *, SCM);
93 Input here_input () const;
96 SCM set_current_scope ();
97 bool has_scope () const;
100 void start_main_input ();
102 virtual void new_input (string s, Sources *);
103 virtual void new_input (string s, string d, Sources *);
105 bool top_input () { return include_stack_.size () < 2; }
106 SCM keyword_list () const;
107 SCM lookup_identifier (string s);
108 SCM lookup_identifier_symbol (SCM s);
109 void push_extra_token (int token_type, SCM scm = SCM_UNDEFINED);
110 void push_chord_state (SCM tab);
111 void push_figuredbass_state ();
112 void push_lyric_state ();
113 void push_initial_state ();
114 void push_markup_state ();
115 void push_note_state (SCM tab);
117 void LexerError (char const *);
118 void LexerWarning (char const *);
119 void set_identifier (SCM path, SCM val);
120 int get_state () const;
121 bool is_note_state () const;
122 bool is_chord_state () const;
123 bool is_lyric_state () const;
124 bool is_figure_state () const;
125 bool is_clean () const;
128 #endif /* MY_LILY_LEXER_HH */