2 my-lily-lexer.cc -- implement My_lily_lexer
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
11 #include "notename-table.hh"
12 #include "interval.hh"
13 #include "identifier.hh"
14 #include "lily-guile.hh"
17 #include "my-lily-lexer.hh"
19 #include "source-file.hh"
25 static Keyword_ent the_key_tab[]={
26 {"autochange", AUTOCHANGE},
27 {"spanrequest", SPANREQUEST},
28 {"simultaneous", SIMULTANEOUS},
29 {"sequential", SEQUENTIAL},
31 {"alternative", ALTERNATIVE},
34 {"chordmodifiers", CHORDMODIFIERS},
38 {"consists", CONSISTS},
39 {"consistsend", CONSISTSEND},
41 {"duration", DURATION},
48 {"keysignature", KEYSIGNATURE},
50 {"musicalpitch", MUSICAL_PITCH},
56 {"notenames", NOTENAMES},
61 {"property", PROPERTY},
63 {"relative", RELATIVE},
66 {"repetitions", REPETITIONS},
67 {"addlyrics", ADDLYRICS},
71 {"textscript", TEXTSCRIPT},
73 {"translator", TRANSLATOR},
74 {"transpose", TRANSPOSE},
79 My_lily_lexer::My_lily_lexer()
81 keytable_p_ = new Keyword_table (the_key_tab);
82 toplevel_scope_p_ = new Scope;
83 scope_l_arr_.push (toplevel_scope_p_);
85 note_tab_p_ = new Notename_table;
86 chordmodifier_tab_p_ = new Notename_table;
87 main_input_b_ = false;
91 My_lily_lexer::lookup_keyword (String s)
93 return keytable_p_->lookup (s.ch_C ());
97 My_lily_lexer::lookup_identifier (String s)
99 SCM sym = ly_symbol2scm (s.ch_C());
101 for (int i = scope_l_arr_.size (); i--; )
102 if (scope_l_arr_[i]->elem_b (sym))
103 return scope_l_arr_[i]->elem(sym);
108 My_lily_lexer::start_main_input ()
110 if (flower_dstream && !flower_dstream->silent_b ("InitDeclarations") && flower_dstream)
111 print_declarations (true);
112 if (flower_dstream && !flower_dstream->silent_b ("InitLexer") && flower_dstream)
116 new_input (main_input_str_, source_global_l);
118 allow_includes_b_ = false;
120 print_declarations(true);
124 My_lily_lexer::set_identifier (String name_str, Identifier* i, bool )
127 if (scope_l_arr_.top ()->elem_b (name_str))
128 old = scope_l_arr_.top ()->elem(name_str);
135 old->warning(_f ("redeclaration of `\\%s'", name_str));
139 if (lookup_keyword (name_str) >= 0)
141 warning ( _f ("Identifier name is a keyword: `%s'", name_str));
144 scope_l_arr_.top ()->elem (name_str) = i;
147 My_lily_lexer::~My_lily_lexer()
149 delete chordmodifier_tab_p_;
151 delete toplevel_scope_p_ ;
156 My_lily_lexer::print_declarations (bool ) const
158 for (int i=scope_l_arr_.size (); i--; )
160 DEBUG_OUT << "Scope no. " << i << '\n';
161 scope_l_arr_[i]->print ();
166 My_lily_lexer::LexerError (char const *s)
168 if (include_stack_.empty())
170 *mlog << _f ("error at EOF: %s", s) << endl;
175 Input spot (source_file_l(),here_ch_C());
181 My_lily_lexer::lookup_notename (String s)
183 return (*note_tab_p_)[s];
187 My_lily_lexer::lookup_chordmodifier (String s)
189 return (*chordmodifier_tab_p_)[s];
193 My_lily_lexer::notename_b (String s) const
195 return note_tab_p_->elem_b (s);
199 My_lily_lexer::set_notename_table (Notename_table *p)
206 My_lily_lexer::chordmodifier_b (String s) const
208 return chordmodifier_tab_p_->elem_b (s);
212 My_lily_lexer::set_chordmodifier_table (Notename_table *p)
214 delete chordmodifier_tab_p_;
215 chordmodifier_tab_p_ = p;
219 My_lily_lexer::escaped_char(char c) const
237 My_lily_lexer::here_input () const
239 Source_file * f_l= source_file_l ();
240 return Input (f_l, (char*)here_ch_C ());