Gcc 3.2.1-prerelease from the FSF anoncvs repo gcc-3_2-branch on 1-Sep-2002 00:00:01 EDT.

1 files changed, 10 insertions, 1 deletions

diff --git a/contrib/gcc/langhooks.h b/contrib/gcc/langhooks.h
index 56b818f..7a3c3bd 100644
--- a/contrib/gcc/langhooks.h
+++ b/contrib/gcc/langhooks.h
@@ -93,7 +93,10 @@ struct lang_hooks
   /* Called when all command line options have been parsed.  Should do
      any required consistency checks, modifications etc.  Complex
      initialization should be left to the "init" callback, since GC
-     and the identifier hashes are set up between now and then.  */
+     and the identifier hashes are set up between now and then.
+
+     If errorcount is non-zero after this call the compiler exits
+     immediately and the finish hook is not called.  */
   void (*post_options) PARAMS ((void));
 
   /* Called after post_options, to initialize the front end.  The main
@@ -153,6 +156,12 @@ struct lang_hooks
      warning that the front end does not use such a parser.  */
   void (*set_yydebug) PARAMS ((int));
 
+  /* Called from expr_size to calculate the size of the value of an
+     expression in a language-dependent way.  Returns a tree for the size
+     in bytes.  A frontend can call lhd_expr_size to get the default
+     semantics in cases that it doesn't want to handle specially.  */
+  tree (*expr_size) PARAMS ((tree));
+
   struct lang_hooks_for_tree_inlining tree_inlining;
   
   struct lang_hooks_for_tree_dump tree_dump;