2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2015 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 class Lily_lexer : public Smob<Lily_lexer>, public Includable_lexer
37 int print_smob (SCM, scm_print_state *) const;
38 SCM mark_smob () const;
39 static const char * const type_p_name_;
40 virtual ~Lily_lexer ();
41 int scan_word (SCM & output, SCM sym);
43 int lookup_keyword (const string&);
44 int scan_bare_word (const string&);
45 int scan_escaped_word (const string&);
46 int scan_shorthand (const string&);
47 int scan_scm_id (SCM);
48 int identifier_type (SCM);
49 char escaped_char (char) const;
50 const char *YYText_utf8 ();
53 Keyword_table *keytable_;
56 Input override_input_;
57 SCM eval_scm (SCM, Input, char extra_token = 0);
59 SCM eval_scm_token (SCM sval, Input w)
62 return eval_scm (sval, w, '#');
68 vsize main_input_level_;
72 /* Scheme hash tables with (oct name acc) values, and symbol keys. */
73 SCM chordmodifier_tab_;
74 SCM pitchname_tab_stack_;
79 Lily_lexer (Sources *, Lily_parser *);
80 Lily_lexer (Lily_lexer const &, Lily_parser *, SCM);
83 void add_lexed_char (int);
85 void prepare_for_next_token ();
86 int try_special_identifiers (SCM *, SCM);
87 Input here_input () const;
88 Input const &override_input (Input const &) const;
91 SCM set_current_scope ();
92 bool has_scope () const;
95 void start_main_input ();
97 virtual void new_input (const string &s, Sources *);
98 virtual void new_input (const string &s, string d, Sources *);
100 bool top_input () { return include_stack_.size () < 2; }
101 SCM keyword_list () const;
102 SCM lookup_identifier (const string &s);
103 SCM lookup_identifier_symbol (SCM s);
104 void push_extra_token (Input const &where,
105 int token_type, SCM scm = SCM_UNSPECIFIED);
106 int pop_extra_token ();
107 void push_chord_state (SCM alist);
108 void push_figuredbass_state ();
109 void push_lyric_state ();
110 void push_initial_state ();
111 void push_markup_state ();
112 void push_note_state (SCM alist);
114 void LexerError (char const *);
115 void LexerWarning (char const *);
116 void set_identifier (SCM path, SCM val);
117 int get_state () const;
118 bool is_note_state () const;
119 bool is_chord_state () const;
120 bool is_lyric_state () const;
121 bool is_figure_state () const;
122 bool is_clean () const;
125 #endif /* MY_LILY_LEXER_HH */