/*
- lexer.hh -- declare My_lily_lexer
+ lexer.hh -- declare Lily_lexer
source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#ifndef LEXER_HH
-#define LEXER_HH
+#ifndef MY_LILY_LEXER_HH
+#define MY_LILY_LEXER_HH
-#include <FlexLexer.h>
+#include "includable-lexer.hh"
-#include "dictionary.hh"
+#include "input.hh"
#include "lily-proto.hh"
#include "flower-proto.hh"
#include "array.hh"
#include "string.hh"
-#include "includable-lexer.hh"
#include "duration.hh"
#include "pitch.hh"
-#include "protected-scm.hh"
+#include "smobs.hh"
bool busy_parsing ();
void kill_lexer ();
void set_lexer ();
-/// lexer for Lilypond
-class My_lily_lexer : public Includable_lexer
+/*
+ TODO: this has a lot of SCM objects. Smobify me.
+ */
+class Lily_lexer : public Includable_lexer
{
- Protected_scm scopes_;
+ DECLARE_SMOBS(Lily_lexer,);
+public:
+ SCM scopes_;
+ SCM encoding_;
+
+private:
+ int lookup_keyword (String);
+ int scan_bare_word (String);
+ SCM scan_markup_word (String);
+ int scan_escaped_word (String);
+ int identifier_type (SCM);
+ char escaped_char (char) const;
+
public:
- String main_input_string_;
- void * lexval;
+ String main_input_name_;
+ void *lexval;
bool main_input_b_;
+
+ Sources *sources_;
+
+ /* Scheme hash tables with (oct name acc) values, and symbol keys. */
+ SCM chordmodifier_tab_;
+ SCM pitchname_tab_stack_;
+
+ Keyword_table *keytable_;
+ int error_level_;
+ Input last_input_;
- /*
- Scheme hash tables with (oct name acc) values, and symbol keys
- */
- Protected_scm chordmodifier_tab_;
- Protected_scm pitchname_tab_;
- Keyword_table * keytable_;
- int errorlevel_;
+ Lily_lexer (Sources*);
+ Lily_lexer (Lily_lexer const&);
+ ~Lily_lexer ();
- My_lily_lexer ();
- ~My_lily_lexer ();
int yylex ();
+ void prepare_for_next_token ();
+ int try_special_identifiers (SCM* ,SCM);
Input here_input () const;
-
+
void add_scope (SCM);
SCM remove_scope ();
void start_main_input ();
SCM lookup_identifier (String s);
- void push_note_state ();
+ SCM lookup_identifier_symbol (SCM s);
+ void push_chord_state (SCM tab);
void push_figuredbass_state ();
- void push_chord_state ();
void push_lyric_state ();
+ void push_initial_state ();
+ void push_markup_state ();
+ void push_note_state (SCM tab);
void pop_state ();
void LexerError (char const *);
+ void set_encoding (String);
+ SCM encoding () const;
void set_identifier (SCM name_string, SCM);
- bool note_state_b () const;
- bool chord_state_b () const;
- bool lyric_state_b () const;
- bool figure_state_b () const;
-private:
- int lookup_keyword (String);
- int scan_bare_word (String);
- int scan_escaped_word (String);
- int identifier_type (SCM);
- char escaped_char (char) const;
+ bool is_note_state () const;
+ bool is_chord_state () const;
+ bool is_lyric_state () const;
+ bool is_figure_state () const;
};
-#endif
+#endif /* MY_LILY_LEXER_HH */