fix pure stem height for invisible stems.

[lilypond.git] / lily / lily-parser.cc

diff --git a/lily/lily-parser.cc b/lily/lily-parser.cc
index 65160851e16ee39ceb01f7805f7112fd228676b3..15cb06c4d7319af1b0915e501c467dd4c8f34268 100644 (file)
--- a/lily/lily-parser.cc
+++ b/lily/lily-parser.cc
@@ -36,7 +36,7 @@ Lily_parser::Lily_parser (Sources *sources)
 
   smobify_self ();
 
-  lexer_ = new Lily_lexer (sources_);
+  lexer_ = new Lily_lexer (sources_, this);
   lexer_->unprotect ();
 }
 
@@ -50,8 +50,10 @@ 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 ();
 }
 
@@ -95,7 +97,6 @@ Lily_parser::parse_file (string init, string name, string out_name)
   lexer_->main_input_name_ = name;
 
   message (_ ("Parsing..."));
-  //  progress_indication ("\n");
 
   set_yydebug (0);
 
@@ -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
@@ -139,9 +140,7 @@ Lily_parser::parse_string (string ly_code)
                          self_scm ());
 
   lexer_->main_input_name_ = "<string>";
-  lexer_->is_main_input_ = true;
-
-  set_yydebug (0);
+  lexer_->is_main_input_ = true; 
   lexer_->new_input (lexer_->main_input_name_, ly_code, sources_);
 
   SCM mod = lexer_->set_current_scope ();
@@ -158,6 +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
 {
@@ -229,13 +240,19 @@ 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
+{
+  return ly_make_anonymous_module (be_safe_global);
+}