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>
*/
#include <ctype.h>
-
#include <sstream>
#include "lily-proto.hh"
#include "scm-hash.hh"
#include "interval.hh"
-#include "input-file-results.hh"
#include "lily-guile.hh"
#include "parser.hh"
#include "keyword.hh"
#include "main.hh"
#include "input.hh"
#include "moment.hh"
+#include "ly-module.hh"
-static Keyword_ent the_key_tab[]={
- {"alias", ALIAS},
- {"apply", APPLY},
- {"arpeggio", ARPEGGIO },
- {"autochange", AUTOCHANGE},
- {"spanrequest", SPANREQUEST},
- {"commandspanrequest", COMMANDSPANREQUEST},
- {"simultaneous", SIMULTANEOUS},
- {"sequential", SEQUENTIAL},
+
+static Keyword_ent the_key_tab[] = {
{"accepts", ACCEPTS},
+ {"addquote", ADDQUOTE},
+ {"alias", ALIAS},
{"alternative", ALTERNATIVE},
{"bar", BAR},
- {"breathe", BREATHE},
- {"char", CHAR_T},
- {"chordmodifiers", CHORDMODIFIERS},
+ {"book", BOOK},
+ {"bookpaper", BOOKPAPER},
+ {"change", CHANGE},
{"chords", CHORDS},
{"clef", CLEF},
- {"cm", CM_T},
{"consists", CONSISTS},
{"consistsend", CONSISTSEND},
{"context", CONTEXT},
{"default", DEFAULT},
{"denies", DENIES},
- {"duration", DURATION},
- {"dynamicscript", DYNAMICSCRIPT},
- {"grobdescriptions", GROBDESCRIPTIONS},
+ {"drums", DRUMS},
+ {"description", DESCRIPTION},
{"figures",FIGURES},
- {"grace", GRACE},
- {"glissando", GLISSANDO},
+ {"grobdescriptions", GROBDESCRIPTIONS},
{"header", HEADER},
- {"in", IN_T},
- {"lyrics", LYRICS},
{"key", KEY},
+ {"lyrics", LYRICS},
+ {"lyricsto", LYRICSTO},
{"mark", MARK},
- {"once", ONCE},
- {"pitch", PITCH},
- {"time", TIME_T},
- {"times", TIMES},
+ {"markup", MARKUP},
{"midi", MIDI},
- {"mm", MM_T},
{"name", NAME},
- {"pitchnames", PITCHNAMES},
+ {"new", NEWCONTEXT},
+ {"newlyrics", NEWLYRICS},
{"notes", NOTES},
- {"outputproperty", OUTPUTPROPERTY},
+ {"octave", OCTAVE},
+ {"once", ONCE},
{"override", OVERRIDE},
- {"set", SET},
- {"rest", REST},
- {"revert", REVERT},
- {"partial", PARTIAL},
{"paper", PAPER},
- {"penalty", PENALTY},
- {"property", PROPERTY},
- {"pt", PT_T},
+ {"partial", PARTIAL},
+ {"quote", QUOTE},
{"relative", RELATIVE},
{"remove", REMOVE},
{"repeat", REPEAT},
- {"addlyrics", ADDLYRICS},
- {"partcombine", PARTCOMBINE},
+ {"rest", REST},
+ {"revert", REVERT},
{"score", SCORE},
- {"script", SCRIPT},
- {"stylesheet", STYLESHEET},
+ {"sequential", SEQUENTIAL},
+ {"set", SET},
+ {"simultaneous", SIMULTANEOUS},
{"skip", SKIP},
+ {"tag", TAG},
{"tempo", TEMPO},
- {"translator", TRANSLATOR},
+ {"time", TIME_T},
+ {"times", TIMES},
{"transpose", TRANSPOSE},
+ {"transposition", TRANSPOSITION},
{"type", TYPE},
{"unset", UNSET},
- {0,0}
+ {"with", WITH},
+ {0, 0}
};
-My_lily_lexer::My_lily_lexer ()
+
+My_lily_lexer::My_lily_lexer (Sources *sources)
{
keytable_ = new Keyword_table (the_key_tab);
- toplevel_variable_tab_ = new Scheme_hash_table ;
- scopes_.push (toplevel_variable_tab_);
-
- errorlevel_ = 0;
+ encoding_ = SCM_EOL;
+ chordmodifier_tab_ = scm_make_vector (scm_int2num (1), SCM_EOL);
+ pitchname_tab_stack_ = SCM_EOL;
+ sources_ = sources;
+ scopes_ = SCM_EOL;
+ error_level_ = 0;
main_input_b_ = false;
+
+ add_scope (ly_make_anonymous_module (false));
}
+My_lily_lexer::My_lily_lexer (My_lily_lexer const &src)
+ : Includable_lexer ()
+{
+ keytable_ = (src.keytable_) ? new Keyword_table (*src.keytable_) : 0;
+ encoding_ = src.encoding_;
+ chordmodifier_tab_ = src.chordmodifier_tab_;
+ pitchname_tab_stack_ = src.pitchname_tab_stack_;
+ sources_ = src.sources_;
+
+ error_level_ = src.error_level_;
+ main_input_b_ = src.main_input_b_;
+
+ SCM scopes = SCM_EOL;
+ SCM* tail = &scopes;
+ for (SCM s = src.scopes_; ly_c_pair_p (s); s = ly_cdr (s))
+ {
+ SCM newmod = ly_make_anonymous_module (false);
+ ly_import_module (newmod, ly_car (s));
+ *tail = scm_cons (newmod, SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ }
+
+ scopes_ = scopes;
+}
+
+My_lily_lexer::~My_lily_lexer ()
+{
+ delete keytable_;
+}
+
+SCM
+My_lily_lexer::encoding () const
+{
+ return encoding_ ;
+}
+
+
+void
+My_lily_lexer::add_scope (SCM module)
+{
+ ly_reexport_module (scm_current_module ());
+ scm_set_current_module (module);
+ for (SCM s = scopes_; ly_c_pair_p (s); s = ly_cdr (s))
+ {
+ ly_use_module (module, ly_car (s));
+ }
+ scopes_ = scm_cons (module, scopes_);
+}
+
+SCM
+My_lily_lexer::remove_scope ()
+{
+ SCM sc = ly_car (scopes_);
+ scopes_ = ly_cdr (scopes_);
+ scm_set_current_module (ly_car (scopes_));
+
+ return sc;
+}
+
+
int
My_lily_lexer::lookup_keyword (String s)
{
}
SCM
-My_lily_lexer::lookup_identifier (String s)
+My_lily_lexer::lookup_identifier_symbol (SCM sym)
{
- SCM sym = ly_symbol2scm (s.to_str0 ());
-
- for (int i = scopes_.size (); i--;)
+ for (SCM s = scopes_; ly_c_pair_p (s); s = ly_cdr (s))
{
- SCM val = SCM_UNSPECIFIED;
- if (scopes_[i]->try_retrieve (sym, &val))
- return val;
+ SCM var = ly_module_lookup (ly_car (s), sym);
+ if (var != SCM_BOOL_F)
+ return scm_variable_ref (var);
}
- return SCM_UNSPECIFIED;
+
+ return SCM_UNDEFINED;
+}
+
+SCM
+My_lily_lexer::lookup_identifier (String name)
+{
+ return lookup_identifier_symbol (ly_symbol2scm (name.to_str0 ()));
}
void
My_lily_lexer::start_main_input ()
-{
- new_input (main_input_string_, &global_input_file->sources_);
- allow_includes_b_ = allow_includes_b_ && ! (safe_global_b);
+{
+ // yy_flex_debug = 1;
+ new_input (main_input_name_, sources_);
+
+ /* Do not allow \include in --safe-mode */
+ allow_includes_b_ = allow_includes_b_ && !safe_global_b;
+
+ scm_module_define (ly_car (scopes_),
+ ly_symbol2scm ("input-file-name"),
+ scm_makfrom0str (main_input_name_.to_str0 ()));
}
void
My_lily_lexer::set_identifier (SCM name, SCM s)
{
- assert (gh_string_p (name));
+ SCM sym = name;
+ if (ly_c_string_p (name))
+ sym = scm_string_to_symbol (name);
- if (lookup_keyword (ly_scm2string (name)) >= 0)
+ if (ly_c_symbol_p (sym))
{
- size_t sz;
- char * str = gh_scm2newstr (name, &sz) ;
- warning (_f ("Identifier name is a keyword: `%s'", str));
- free (str);
- }
-
- scopes_.top ()->set (scm_string_to_symbol (name), s);
-}
-
-My_lily_lexer::~My_lily_lexer ()
-{
- delete keytable_;
- scm_gc_unprotect_object (toplevel_variable_tab_->self_scm ());
-}
+ if (lookup_keyword (ly_symbol2string (sym)) >= 0)
+ {
+ warning (_f ("Identifier name is a keyword: `%s'", SCM_SYMBOL_CHARS (sym)));
+ }
+ SCM mod = ly_car (scopes_);
+ scm_module_define (mod, sym, s);
+ }
+ else
+ {
+ programming_error ("Identifier is not a symbol.");
+ }
+}
void
My_lily_lexer::LexerError (char const *s)
{
- if (include_stack_.empty ())
- {
- progress_indication (_f ("error at EOF: %s", s)+ String ("\n"));
- }
+ if (include_stack_.is_empty ())
+ progress_indication (_f ("error at EOF: %s", s) + String ("\n"));
else
{
- errorlevel_ |= 1;
- Input spot (get_source_file (),here_str0 ());
+ error_level_ |= 1;
+ Input spot (get_source_file (), here_str0 ());
spot.error (s);
}
}
return '\n';
case 't':
return '\t';
-
case '\'':
case '\"':
case '\\':
Source_file * f= get_source_file ();
return Input (f, (char*)here_str0 ());
}
+
+void
+My_lily_lexer::prepare_for_next_token ()
+{
+ last_input_ = here_input ();
+}
+
+void
+My_lily_lexer::set_encoding (String s)
+{
+ if (s.length ())
+ encoding_ = ly_symbol2scm (s.to_str0 ());
+ else
+ encoding_ = SCM_EOL;
+}