X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flily-parser-scheme.cc;h=83c3826dbdf7bf625f4becc951695b18e19a2d01;hb=1759a10e0e322868d2eefb13ebd13b047c6afd55;hp=56de47abbd21945a3ff5ba788027ab5a96240dc8;hpb=3512ac1f9e6ac4d96f0a486ba8f5968ccf0ce507;p=lilypond.git

diff --git a/lily/lily-parser-scheme.cc b/lily/lily-parser-scheme.cc
index 56de47abbd..83c3826dbd 100644
--- a/lily/lily-parser-scheme.cc
+++ b/lily/lily-parser-scheme.cc
@@ -11,7 +11,6 @@
 #include "file-name-map.hh"
 #include "file-name.hh"
 #include "file-path.hh"
-#include "input-smob.hh"
 #include "international.hh"
 #include "lily-lexer.hh"
 #include "lily-parser.hh"
@@ -37,7 +36,7 @@ LY_DEFINE (ly_parse_file, "ly:parse-file",
 	   "Upon failure, throw @code{ly-file-failed} key.")
 {
   SCM_ASSERT_TYPE (scm_is_string (name), name, SCM_ARG1, __FUNCTION__, "string");
-  char const *file = scm_i_string_chars (name);
+  string file = ly_scm2string (name);
   char const *extensions[] = {"ly", "", 0};
 
   string file_name = global_path.find (file, extensions);
@@ -110,11 +109,12 @@ LY_DEFINE (ly_parse_file, "ly:parse-file",
       exit (2);
     }
 
-  if ((file_name != "-") && global_path.find (file_name).empty ())
+
+  bool error = false;
+  if ((file_name != "-") && file_name.empty ())
     {
-      warning (_f ("can't find file: `%s'", file_name));
-      scm_throw (ly_symbol2scm ("ly-file-failed"),
-		 scm_list_1 (scm_makfrom0str (file_name.c_str ())));
+      warning (_f ("can't find file: `%s'", file));
+      error = true;
     }
   else
     {
@@ -129,14 +129,20 @@ LY_DEFINE (ly_parse_file, "ly:parse-file",
 
       parser->parse_file (init, file_name, out_file);
 
-      bool error = parser->error_level_;
+      error = parser->error_level_;
+
+      parser->clear ();
       parser->unprotect ();
-      parser = 0;
-      if (error)
-	/* TODO: pass renamed input file too.  */
-	scm_throw (ly_symbol2scm ("ly-file-failed"),
-		   scm_list_1 (scm_makfrom0str (file_name.c_str ())));
     }
+
+  /*
+    outside the if-else to ensure cleanup fo Sources object, 
+   */
+  if (error)
+    /* TODO: pass renamed input file too.  */
+    scm_throw (ly_symbol2scm ("ly-file-failed"),
+	       scm_list_1 (scm_makfrom0str (file_name.c_str ())));
+  
   return SCM_UNSPECIFIED;
 }
 
@@ -157,7 +163,15 @@ LY_DEFINE (ly_parse_string, "ly:parse-string",
   return SCM_UNSPECIFIED;
 }
 
-LY_DEFINE (ly_clone_parser, "ly:clone-parser",
+LY_DEFINE (ly_parser_lexer, "ly:parser-lexer",
+	   1, 0, 0, (SCM parser_smob),
+	   "Return the lexer for PARSER_SMOB.")
+{
+  Lily_parser *parser = unsmob_lily_parser (parser_smob);
+  return parser->lexer_->self_scm ();
+}
+
+LY_DEFINE (ly_parser_clone, "ly:parser-clone",
 	   1, 0, 0, (SCM parser_smob),
 	   "Return a clone of PARSER_SMOB.")
 {