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diff src/pt.h @ 2991:fc751d2a99fd

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[project @ 1997-05-16 21:00:48 by jwe]
author jwe
date Fri, 16 May 1997 21:00:49 +0000
parents ae20b3f37f5e
children d14c483b3c12
line wrap: on
line diff
--- a/src/pt.h
+++ b/src/pt.h
@@ -27,6 +27,10 @@
 #pragma interface
 #endif
 
+#include <string>
+
+class ostream;
+
 class tree_walker;
 
 // Base class for the parse tree.
@@ -52,6 +56,8 @@
 
   virtual void accept (tree_walker& tw) = 0;
 
+  string str_print_code (void);
+
 private:
 
   // The input line and column where we found the text that was