2 my-lily-lexer.cc -- implement My_lily_lexer
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
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[]={
27 {"arpeggio", ARPEGGIO },
28 {"autochange", AUTOCHANGE},
29 {"spanrequest", SPANREQUEST},
30 {"commandspanrequest", COMMANDSPANREQUEST},
31 {"simultaneous", SIMULTANEOUS},
32 {"sequential", SEQUENTIAL},
34 {"alternative", ALTERNATIVE},
38 {"chordmodifiers", CHORDMODIFIERS},
42 {"consists", CONSISTS},
43 {"consistsend", CONSISTSEND},
46 {"duration", DURATION},
47 {"dynamicscript", DYNAMICSCRIPT},
48 {"elementdescriptions", ELEMENTDESCRIPTIONS},
56 {"musicalpitch", MUSICAL_PITCH},
62 {"notenames", NOTENAMES},
64 {"outputproperty", OUTPUTPROPERTY},
70 {"property", PROPERTY},
72 {"relative", RELATIVE},
75 {"addlyrics", ADDLYRICS},
76 {"partcombine", PARTCOMBINE},
79 {"stylesheet", STYLESHEET},
81 {"textscript", TEXTSCRIPT},
83 {"translator", TRANSLATOR},
84 {"transpose", TRANSPOSE},
89 My_lily_lexer::My_lily_lexer()
91 keytable_p_ = new Keyword_table (the_key_tab);
92 toplevel_scope_p_ = new Scope;
93 scope_l_arr_.push (toplevel_scope_p_);
95 main_input_b_ = false;
99 My_lily_lexer::lookup_keyword (String s)
101 return keytable_p_->lookup (s.ch_C ());
105 My_lily_lexer::lookup_identifier (String s)
107 SCM sym = ly_symbol2scm (s.ch_C());
109 for (int i = scope_l_arr_.size (); i--; )
111 SCM val = SCM_UNSPECIFIED;
112 if (scope_l_arr_[i]->try_retrieve (sym, &val))
115 return SCM_UNSPECIFIED;
119 My_lily_lexer::start_main_input ()
121 new_input (main_input_str_, source_global_l);
122 allow_includes_b_ = allow_includes_b_ && !(safe_global_b);
126 My_lily_lexer::set_identifier (String name_str, SCM s)
128 if (lookup_keyword (name_str) >= 0)
130 warning ( _f ("Identifier name is a keyword: `%s'", name_str));
133 scope_l_arr_.top ()->set (name_str, s);
136 My_lily_lexer::~My_lily_lexer()
139 delete toplevel_scope_p_ ;
145 My_lily_lexer::LexerError (char const *s)
147 if (include_stack_.empty())
149 progress_indication (_f ("error at EOF: %s", s)+ String ("\n"));
154 Input spot (source_file_l(),here_ch_C());
160 My_lily_lexer::escaped_char(char c) const
178 My_lily_lexer::here_input () const
180 Source_file * f_l= source_file_l ();
181 return Input (f_l, (char*)here_ch_C ());