/*
- lexer.hh -- declare Lily_lexer
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MY_LILY_LEXER_HH
#include "input.hh"
#include "duration.hh"
#include "pitch.hh"
+#include "parser.hh"
bool busy_parsing ();
void kill_lexer ();
DECLARE_SMOBS (Lily_lexer);
private:
- int lookup_keyword (string);
- int scan_bare_word (string);
- SCM scan_markup_word (string);
- int scan_escaped_word (string);
+ int lookup_keyword (const string&);
+ int scan_bare_word (const string&);
+ int scan_escaped_word (const string&);
+ int scan_shorthand (const string&);
+ int scan_scm_id (SCM);
int identifier_type (SCM);
char escaped_char (char) const;
+ const char *YYText_utf8 ();
Lily_parser *parser_;
Keyword_table *keytable_;
SCM scopes_;
SCM start_module_;
- int hidden_state_;
+ Input override_input_;
+ SCM eval_scm (SCM, Input, char extra_token = 0);
public:
- vector<int> extra_token_types_;
- void *lexval;
- Input *lexloc;
+ SCM eval_scm_token (SCM sval, Input w)
+ {
+ w.step_forward ();
+ return eval_scm (sval, w, '#');
+ }
+ SCM extra_tokens_;
+ SCM *lexval_;
+ Input *lexloc_;
bool is_main_input_;
-
+ vsize main_input_level_;
+
Sources *sources_;
/* Scheme hash tables with (oct name acc) values, and symbol keys. */
Input last_input_;
Lily_lexer (Sources *, Lily_parser *);
- Lily_lexer (Lily_lexer const &, Lily_parser *);
+ Lily_lexer (Lily_lexer const &, Lily_parser *, SCM);
int yylex ();
-
+
void add_lexed_char (int);
void prepare_for_next_token ();
int try_special_identifiers (SCM *, SCM);
Input here_input () const;
+ Input const &override_input (Input const &) const;
void add_scope (SCM);
SCM set_current_scope ();
void start_main_input ();
- virtual void new_input (string s, Sources *);
- virtual void new_input (string s, string d, Sources *);
+ virtual void new_input (const string &s, Sources *);
+ virtual void new_input (const string &s, string d, Sources *);
+ bool top_input () { return include_stack_.size () < 2; }
SCM keyword_list () const;
- SCM lookup_identifier (string s);
+ SCM lookup_identifier (const string &s);
SCM lookup_identifier_symbol (SCM s);
- void push_extra_token (int token_type);
- void push_chord_state (SCM tab);
+ void push_extra_token (Input const &where,
+ int token_type, SCM scm = SCM_UNSPECIFIED);
+ int pop_extra_token ();
+ void push_chord_state (SCM alist);
void push_figuredbass_state ();
void push_lyric_state ();
void push_initial_state ();
void push_markup_state ();
- void push_note_state (SCM tab);
+ void push_note_state (SCM alist);
void pop_state ();
void LexerError (char const *);
- void set_identifier (SCM name_string, SCM);
+ void LexerWarning (char const *);
+ void set_identifier (SCM path, SCM val);
int get_state () const;
bool is_note_state () const;
bool is_chord_state () const;
bool is_lyric_state () const;
bool is_figure_state () const;
+ bool is_clean () const;
};
#endif /* MY_LILY_LEXER_HH */