X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-parser.cc;h=13d62ebc5c762eb68873bace69250e14687026dd;hb=76324bbc6789847e80b4bbdd4e8246d6e4eae8d1;hp=1f073fb07a3b7cff5a0bf60efe519fd16b3b46bf;hpb=35fafba86276f47f3742fd10f0107eea1cc926ea;p=lilypond.git

diff --git a/lily/lily-parser.cc b/lily/lily-parser.cc
index 1f073fb07a..13d62ebc5c 100644
--- a/lily/lily-parser.cc
+++ b/lily/lily-parser.cc
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -15,15 +15,16 @@
 #include "international.hh"
 #include "lily-lexer.hh"
 #include "lily-version.hh"
-#include "lilypond-key.hh"
+#include "ly-module.hh"
 #include "main.hh"
 #include "output-def.hh"
 #include "paper-book.hh"
 #include "parser.hh"
 #include "score.hh"
-#include "source.hh"
+#include "sources.hh"
 #include "text-metrics.hh"
 #include "warn.hh"
+#include "program-option.hh"
 
 #include "ly-smobs.icc"
 
@@ -36,7 +37,7 @@ Lily_parser::Lily_parser (Sources *sources)
 
   smobify_self ();
 
-  lexer_ = new Lily_lexer (sources_);
+  lexer_ = new Lily_lexer (sources_, this);
   lexer_->unprotect ();
 }
 
@@ -50,8 +51,10 @@ Lily_parser::Lily_parser (Lily_parser const &src)
 
   smobify_self ();
   if (src.lexer_)
-    lexer_ = new Lily_lexer (*src.lexer_);
-
+    {
+      lexer_ = new Lily_lexer (*src.lexer_, this);
+    }
+  
   lexer_->unprotect ();
 }
 
@@ -84,18 +87,16 @@ Lily_parser::print_smob (SCM s, SCM port, scm_print_state*)
 void
 Lily_parser::parse_file (string init, string name, string out_name)
 {
-  if (output_backend_global == "tex")
+  if (get_output_backend_name () == "tex")
     try_load_text_metrics (out_name);
 
   // TODO: use $parser 
-  lexer_->set_identifier (ly_symbol2scm ("parser"),
-			  self_scm ());
+  lexer_->set_identifier (ly_symbol2scm ("parser"), self_scm ());
   output_basename_ = out_name;
 
   lexer_->main_input_name_ = name;
 
   message (_ ("Parsing..."));
-  //  progress_indication ("\n");
 
   set_yydebug (0);
 
@@ -104,7 +105,7 @@ Lily_parser::parse_file (string init, string name, string out_name)
   File_name f (name);
   string s = global_path.find (f.base_ + ".twy");
   s = gulp_file_to_string (s, false, -1);
-  scm_eval_string (scm_makfrom0str (s.c_str ()));
+  scm_eval_string (ly_string2scm (s));
 
   /* Read .ly IN_FILE, lex, parse, write \score blocks from IN_FILE to
      OUT_FILE (unless IN_FILE redefines output file name).  */
@@ -123,12 +124,12 @@ Lily_parser::parse_file (string init, string name, string out_name)
 
   if (!define_spots_.empty ())
     {
-      define_spots_.back ().warning (_ ("braces don't match"));
+      define_spots_.back ().warning (_ ("braces do not match"));
       error_level_ = 1;
     }
 
   error_level_ = error_level_ | lexer_->error_level_;
-  lexer_ = 0;
+  clear ();
 }
 
 void
@@ -139,8 +140,7 @@ Lily_parser::parse_string (string ly_code)
 			  self_scm ());
 
   lexer_->main_input_name_ = "<string>";
-  lexer_->is_main_input_ = true;
-
+  lexer_->is_main_input_ = true; 
   lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
 
   SCM mod = lexer_->set_current_scope ();
@@ -157,6 +157,18 @@ Lily_parser::parse_string (string ly_code)
   error_level_ = error_level_ | lexer_->error_level_;
 }
 
+void
+Lily_parser::clear ()
+{
+  if (lexer_)
+    {
+      while (lexer_->has_scope ())
+	lexer_->remove_scope ();
+    }
+
+  lexer_ = 0;  
+}
+
 char const *
 Lily_parser::here_str0 () const
 {
@@ -195,7 +207,6 @@ get_layout (Lily_parser *parser)
   Output_def *layout = unsmob_output_def (id);
   layout = layout ? layout->clone () : new Output_def;
   layout->set_variable (ly_symbol2scm ("is-layout"), SCM_BOOL_T);
-  layout->parser_ = parser;
     
   return layout;
 }
@@ -207,7 +218,6 @@ get_midi (Lily_parser *parser)
   Output_def *layout = unsmob_output_def (id);
   layout = layout ? layout->clone () : new Output_def;
   layout->set_variable (ly_symbol2scm ("is-midi"), SCM_BOOL_T);
-  layout->parser_ = parser;
   return layout;
 }
 
@@ -219,7 +229,6 @@ get_paper (Lily_parser *parser)
 
   layout = layout ? dynamic_cast<Output_def *> (layout->clone ()) : new Output_def;
   layout->set_variable (ly_symbol2scm ("is-paper"), SCM_BOOL_T);
-  layout->parser_ = parser;
   return layout;
 }
 
@@ -228,13 +237,20 @@ get_header (Lily_parser *parser)
 {
   SCM id = parser->lexer_->lookup_identifier ("$defaultheader");
   if (!ly_is_module (id))
-    id = ly_make_anonymous_module (be_safe_global);
+    id = parser->make_scope ();
   else
     {
-      SCM nid = ly_make_anonymous_module (false);
-      ly_module_copy(nid,id);
+      SCM nid = parser->make_scope ();
+      ly_module_copy (nid, id);
       id = nid;
     }
   
   return id;
 }
+
+SCM 
+Lily_parser::make_scope () const
+{
+  SCM module = ly_make_anonymous_module (be_safe_global);
+  return module;    
+}