X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Flily-lexer.hh;h=94f609658bd137d440b8d721214dd99344439e31;hb=da2cbdd4623e5ea51a2a99de4f2935b37195136e;hp=71a0d58fdf43ab7a6209821302397354f07bfc4d;hpb=5ef2f17ae2971f84ee4518cdb6a8c804c268dcd0;p=lilypond.git diff --git a/lily/include/lily-lexer.hh b/lily/include/lily-lexer.hh index 71a0d58fdf..ff2e8668c3 100644 --- a/lily/include/lily-lexer.hh +++ b/lily/include/lily-lexer.hh @@ -1,9 +1,20 @@ /* - 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--2015 Han-Wen Nienhuys - (c) 1997--2004 Han-Wen Nienhuys + 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 . */ #ifndef MY_LILY_LEXER_HH @@ -12,43 +23,52 @@ #include "includable-lexer.hh" #include "input.hh" -#include "lily-proto.hh" -#include "flower-proto.hh" -#include "array.hh" -#include "string.hh" #include "duration.hh" #include "pitch.hh" -#include "smobs.hh" +#include "parser.hh" bool busy_parsing (); void kill_lexer (); void set_lexer (); -/* - TODO: this has a lot of SCM objects. Smobify me. - */ -class Lily_lexer : public Includable_lexer +class Lily_lexer : public Smob, public Includable_lexer { - DECLARE_SMOBS(Lily_lexer,); public: - SCM scopes_; - SCM encoding_; - + int print_smob (SCM, scm_print_state *) const; + SCM mark_smob () const; + static const char * const type_p_name_; + virtual ~Lily_lexer (); + int scan_word (SCM & output, SCM sym); 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); + void push_markup_predicates (SCM sig); char escaped_char (char) const; + const char *YYText_utf8 (); + Lily_parser *parser_; Keyword_table *keytable_; + SCM scopes_; + SCM start_module_; + Input override_input_; + SCM eval_scm (SCM, Input, char extra_token = 0); public: - String main_input_name_; - void *lexval; - bool main_input_b_; - - Sources *sources_; + 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. */ SCM chordmodifier_tab_; @@ -57,36 +77,50 @@ public: int error_level_; Input last_input_; - Lily_lexer (Sources*); - Lily_lexer (Lily_lexer const&); + Lily_lexer (Sources *, 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); + 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 (); + bool has_scope () const; SCM remove_scope (); - + void start_main_input (); - SCM lookup_identifier (String s); + 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 (const string &s); SCM lookup_identifier_symbol (SCM s); - 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_encoding (String); - SCM encoding () 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 */