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
[]={
26 {"autochange", AUTOCHANGE
},
27 {"arpeggio", ARPEGGIO
},
28 {"spanrequest", SPANREQUEST
},
29 {"commandspanrequest", COMMANDSPANREQUEST
},
30 {"simultaneous", SIMULTANEOUS
},
31 {"sequential", SEQUENTIAL
},
33 {"alternative", ALTERNATIVE
},
37 {"chordmodifiers", CHORDMODIFIERS
},
41 {"consists", CONSISTS
},
42 {"consistsend", CONSISTSEND
},
45 {"duration", DURATION
},
46 {"dynamicscript", DYNAMICSCRIPT
},
47 {"elementdescriptions", ELEMENTDESCRIPTIONS
},
55 {"musicalpitch", MUSICAL_PITCH
},
61 {"notenames", NOTENAMES
},
63 {"outputproperty", OUTPUTPROPERTY
},
69 {"property", PROPERTY
},
71 {"relative", RELATIVE
},
74 {"addlyrics", ADDLYRICS
},
75 {"partcombine", PARTCOMBINE
},
78 {"stylesheet", STYLESHEET
},
80 {"textscript", TEXTSCRIPT
},
82 {"translator", TRANSLATOR
},
83 {"transpose", TRANSPOSE
},
88 My_lily_lexer::My_lily_lexer()
90 keytable_p_
= new Keyword_table (the_key_tab
);
91 toplevel_scope_p_
= new Scope
;
92 scope_l_arr_
.push (toplevel_scope_p_
);
94 main_input_b_
= false;
98 My_lily_lexer::lookup_keyword (String s
)
100 return keytable_p_
->lookup (s
.ch_C ());
104 My_lily_lexer::lookup_identifier (String s
)
106 SCM sym
= ly_symbol2scm (s
.ch_C());
108 for (int i
= scope_l_arr_
.size (); i
--; )
110 SCM val
= SCM_UNSPECIFIED
;
111 if (scope_l_arr_
[i
]->try_retrieve (sym
, &val
))
114 return SCM_UNSPECIFIED
;
118 My_lily_lexer::start_main_input ()
120 new_input (main_input_str_
, source_global_l
);
121 allow_includes_b_
= allow_includes_b_
&& !(safe_global_b
);
125 My_lily_lexer::set_identifier (String name_str
, SCM s
)
127 if (lookup_keyword (name_str
) >= 0)
129 warning ( _f ("Identifier name is a keyword: `%s'", name_str
));
132 scope_l_arr_
.top ()->set (name_str
, s
);
135 My_lily_lexer::~My_lily_lexer()
138 delete toplevel_scope_p_
;
144 My_lily_lexer::LexerError (char const *s
)
146 if (include_stack_
.empty())
148 progress_indication (_f ("error at EOF: %s", s
)+ String ("\n"));
153 Input
spot (source_file_l(),here_ch_C());
159 My_lily_lexer::escaped_char(char c
) const
177 My_lily_lexer::here_input () const
179 Source_file
* f_l
= source_file_l ();
180 return Input (f_l
, (char*)here_ch_C ());