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release: 1.3.146
[lilypond.git] / lily / my-lily-lexer.cc
index f1f7cb0cfd41d2ffe86ef86731ff41556b96d7d3..3a41467abcf1bac7d78492a01159c4410cbdbf72 100644 (file)
 /*
   my-lily-lexer.cc -- implement My_lily_lexer
 
-  source file of the LilyPond music typesetter
+  source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 #include <strstream.h>
 #include <ctype.h>
-#include "notename-table.hh"
+
+#include "lily-proto.hh"
+#include "scm-hash.hh"
 #include "interval.hh"
-#include "identifier.hh"
-#include "assoc-iter.hh"
+
+#include "lily-guile.hh"
 #include "parser.hh"
 #include "keyword.hh"
-#include "assoc.hh"
 #include "my-lily-lexer.hh"
 #include "debug.hh"
 #include "source-file.hh"
-#include "parseconstruct.hh"
+#include "main.hh"
+#include "scope.hh"
+#include "input.hh"
+#include "moment.hh"
 
 static Keyword_ent the_key_tab[]={
-    {"bar", BAR},
-    {"cadenza", CADENZA},
-    {"clear", CLEAR},
-    {"clef", CLEF},
-    {"cm", CM_T},
-    {"duration", DURATIONCOMMAND},
-    {"absdynamic", ABSDYNAMIC},
-    {"group", GROUP},
-    {"geometric", GEOMETRIC},
-    {"hshift", HSHIFT},
-    {"in", IN_T},
-    {"inputregister", INPUT_REGS},
-    {"lyric", LYRIC},
-    {"key", KEY},
-    {"melodic" , MELODIC},
-    {"melodic_request", MELODIC_REQUEST},
-    {"meter", METER},
-    {"midi", MIDI},
-    {"mm", MM_T},
-    {"multivoice", MULTIVOICE},
-    {"note", NOTE},
-    {"notenames", NOTENAMES},
-    {"octave", OCTAVECOMMAND},
-    {"output", OUTPUT},
-    {"partial", PARTIAL},
-    {"paper", PAPER},
-    {"plet", PLET},
-    {"pt", PT_T},
-    {"score", SCORE},
-    {"script", SCRIPT},
-    {"skip", SKIP},
-    {"staff", STAFF},
-    {"start", START_T},
-    {"stem", STEM},
-    {"table", TABLE},
-    {"spandynamic", SPANDYNAMIC}, 
-    {"symboltables", SYMBOLTABLES},
-    {"tempo", TEMPO},
-    {"texid", TEXID},
-    {"textstyle", TEXTSTYLE},
-    {"transpose", TRANSPOSE},
-    {"unitspace", UNITSPACE},
-    {"width", WIDTH},
-    {"version", VERSION},
-    {"grouping", GROUPING},
-    {0,0}
+  {"alias", ALIAS},
+  {"apply", APPLY},
+  {"arpeggio", ARPEGGIO },
+  {"autochange", AUTOCHANGE},
+  {"spanrequest", SPANREQUEST},
+  {"commandspanrequest", COMMANDSPANREQUEST},  
+  {"simultaneous", SIMULTANEOUS},
+  {"sequential", SEQUENTIAL},
+  {"accepts", ACCEPTS},
+  {"alternative", ALTERNATIVE},
+  {"bar", BAR},
+  {"breathe", BREATHE},
+  {"char", CHAR_T},
+  {"chordmodifiers", CHORDMODIFIERS},
+  {"chords", CHORDS},
+  {"clef", CLEF},
+  {"cm", CM_T},
+  {"consists", CONSISTS},
+  {"consistsend", CONSISTSEND},
+  {"context", CONTEXT},
+  {"default", DEFAULT},
+  {"denies", DENIES},
+  {"duration", DURATION},
+  {"dynamicscript", DYNAMICSCRIPT},
+  {"elementdescriptions", ELEMENTDESCRIPTIONS},
+  {"font", FONT},
+  {"grace", GRACE},
+  {"glissando", GLISSANDO},
+  {"header", HEADER},
+  {"in", IN_T},
+  {"lyrics", LYRICS},
+  {"key", KEY},
+  {"mark", MARK},
+  {"pitch", PITCH},
+  {"time", TIME_T},
+  {"times", TIMES},
+  {"midi", MIDI},
+  {"mm", MM_T},
+  {"name", NAME},
+  {"pitchnames", PITCHNAMES},
+  {"notes", NOTES},
+  {"outputproperty", OUTPUTPROPERTY},
+  {"override", OVERRIDE},
+  {"set", SET},
+  {"revert", REVERT},
+  {"partial", PARTIAL},
+  {"paper", PAPER},
+  {"penalty", PENALTY},
+  {"property", PROPERTY},
+  {"pt", PT_T},
+  {"relative", RELATIVE},
+  {"remove", REMOVE},
+  {"repeat", REPEAT},
+  {"addlyrics", ADDLYRICS},
+  {"partcombine", PARTCOMBINE},
+  {"score", SCORE},
+  {"script", SCRIPT},
+  {"stylesheet", STYLESHEET},
+  {"skip", SKIP},
+  {"tempo", TEMPO},
+  {"translator", TRANSLATOR},
+  {"transpose", TRANSPOSE},
+  {"type", TYPE},
+  {"unset", UNSET},
+  {0,0}
 };
 
-My_lily_lexer::My_lily_lexer()
+My_lily_lexer::My_lily_lexer ()
 {
-    keytable_p_ = new Keyword_table(the_key_tab);
-    identifier_assoc_p_ = new Assoc<String, Identifier*>;
-    errorlevel_i_ = 0;
-    post_quotes_b_ = false;
-    note_tab_p_ = new Notename_table;
+  keytable_p_ = new Keyword_table (the_key_tab);
+  toplevel_variable_tab_ = new Scheme_hash_table ;
+  scope_p_ = new Scope (toplevel_variable_tab_);
+  
+  scope_l_arr_.push (scope_p_);
+  
+  errorlevel_i_ = 0;
+  main_input_b_ = false;
 }
 
 int
-My_lily_lexer::lookup_keyword(String s)
+My_lily_lexer::lookup_keyword (String s)
 {
-    return keytable_p_->lookup(s);
+  return keytable_p_->lookup (s.ch_C ());
 }
 
-Identifier*
-My_lily_lexer::lookup_identifier(String s)
+SCM
+My_lily_lexer::lookup_identifier (String s)
 {
-    if (!identifier_assoc_p_->elt_b(s))
-       return 0;
-    
-    return (*identifier_assoc_p_)[s];
+  SCM sym = ly_symbol2scm (s.ch_C ());
+  
+  for (int i = scope_l_arr_.size (); i--;)
+    {
+      SCM val = SCM_UNSPECIFIED;
+      if (scope_l_arr_[i]->try_retrieve (sym, &val))
+       return val;
+    }
+  return SCM_UNSPECIFIED;
 }
 
-
 void
-My_lily_lexer::add_identifier(Identifier*i)
-{
-    delete lookup_identifier(i->name_str_);
-    (*identifier_assoc_p_)[i->name_str_] = i;
+My_lily_lexer::start_main_input ()
+{  
+  new_input (main_input_str_, source_global_l);
+  allow_includes_b_ = allow_includes_b_ &&  ! (safe_global_b);
 }
 
-My_lily_lexer::~My_lily_lexer()
-{
-    delete keytable_p_;
-
-    for (Assoc_iter<String,Identifier*>
-            ai(*identifier_assoc_p_); ai.ok(); ai++) {
-       mtor << "deleting: " << ai.key()<<'\n';
-       delete ai.val();
-    }
-    delete note_tab_p_;
-    delete identifier_assoc_p_;
-}
 void
-My_lily_lexer::print_declarations(bool init_b)const
+My_lily_lexer::set_identifier (String name_str, SCM s)
 {
-    for (Assoc_iter<String,Identifier*> ai(*identifier_assoc_p_); ai.ok(); 
-        ai++) {
-       if (ai.val()->init_b_ == init_b)
-           ai.val()->print();
+  if (lookup_keyword (name_str) >= 0)
+    {
+      warning (_f ("Identifier name is a keyword: `%s'", name_str));
     }
+  
+  scope_l_arr_.top ()->set (name_str, s);
 }
 
-void
-My_lily_lexer::LexerError(char const *s)
+My_lily_lexer::~My_lily_lexer ()
 {
-    if (include_stack_.empty()) {
-       *mlog << "error at EOF" << s << '\n';
-    } else {
-       errorlevel_i_ |= 1;
-       Input spot(source_file_l(),here_ch_C());
-
-       spot.error( s );
-    }
+  delete keytable_p_;
+  scm_unprotect_object (toplevel_variable_tab_->self_scm ());
+  delete scope_p_ ;
 }
 
-Melodic_req*
-My_lily_lexer::lookup_melodic_req_l(String s)
+
+
+void
+My_lily_lexer::LexerError (char const *s)
 {
-    return note_tab_p_->get_l(s);
+  if (include_stack_.empty ())
+    {
+      progress_indication (_f ("error at EOF: %s", s)+ String ("\n"));
+    }
+  else
+    {
+      errorlevel_i_ |= 1;
+      Input spot (source_file_l (),here_ch_C ());
+      spot.error (s);
+    }
 }
 
-void
-My_lily_lexer::add_notename(String s, Melodic_req *p)
+char
+My_lily_lexer::escaped_char (char c) const
 {
-    note_tab_p_->add(s,p);
+  switch (c)
+    {
+    case 'n':
+      return '\n';
+    case 't':
+      return '\t';
+
+    case '\'':
+    case '\"':
+    case '\\':
+      return c;
+    }
+  return 0;
 }
 
-void
-My_lily_lexer::clear_notenames()
+Input
+My_lily_lexer::here_input () const
 {
-    delete note_tab_p_;
-    note_tab_p_ = new Notename_table;
+  Source_file * f_l= source_file_l ();
+  return Input (f_l, (char*)here_ch_C ());
 }