* g++.old-deja/g++.pt/static11.C: Add xtensa-*-elf* to the

[pf3gnuchains/gcc-fork.git] / gcc / langhooks.h

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 2a50aa7..71ae251 100644 (file)
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -57,11 +57,28 @@ struct lang_hooks_for_tree_inlining
                                                         union tree_node *));
 };
 
+/* Lang hooks for management of language-specific data or status
+   when entering / leaving functions etc.  */
+struct lang_hooks_for_functions
+{
+  /* Called when entering a function.  */
+  void (*init) PARAMS ((struct function *));
+
+  /* Called when leaving a function.  */
+  void (*final) PARAMS ((struct function *));
+
+  /* Called when entering a nested function.  */
+  void (*enter_nested) PARAMS ((struct function *));
+
+  /* Called when leaving a nested function.  */
+  void (*leave_nested) PARAMS ((struct function *));
+};
+
 /* The following hooks are used by tree-dump.c.  */
 
 struct lang_hooks_for_tree_dump
 {
-  /* Dump language-specific parts of tree nodes.  Returns non-zero if it 
+  /* Dump language-specific parts of tree nodes.  Returns non-zero if it
      does not want the usual dumping of the second argument.  */
   int (*dump_tree) PARAMS ((void *, tree));
 
@@ -76,7 +93,7 @@ struct lang_hooks_for_types
   /* Return a new type (with the indicated CODE), doing whatever
      language-specific processing is required.  */
   tree (*make_type) PARAMS ((enum tree_code));
-  
+
   /* Given MODE and UNSIGNEDP, return a suitable type-tree with that
      mode.  */
   tree (*type_for_mode) PARAMS ((enum machine_mode, int));
@@ -96,6 +113,18 @@ struct lang_hooks_for_types
   /* Return a type the same as TYPE except unsigned or signed
      according to UNSIGNEDP.  */
   tree (*signed_or_unsigned_type) PARAMS ((int, tree));
+
+  /* Given a type, apply default promotions to unnamed function
+     arguments and return the new type.  Return the same type if no
+     change.  Required by any language that supports variadic
+     arguments.  The default hook aborts.  */
+  tree (*type_promotes_to) PARAMS ((tree));
+
+  /* This routine is called in tree.c to print an error message for
+     invalid use of an incomplete type.  VALUE is the expression that
+     was used (or 0 if that isn't known) and TYPE is the type that was
+     invalid.  */
+  void (*incomplete_type_error) PARAMS ((tree value, tree type));
 };
 
 /* Language hooks related to decls and the symbol table.  */
@@ -167,7 +196,10 @@ 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
@@ -181,8 +213,9 @@ struct lang_hooks
   /* Called at the end of compilation, as a finalizer.  */
   void (*finish) PARAMS ((void));
 
-  /* Parses the entire file.  */
-  void (*parse_file) PARAMS ((void));
+  /* Parses the entire file.  The argument is non-zero to cause bison
+     parsers to dump debugging information during parsing.  */
+  void (*parse_file) PARAMS ((int));
 
   /* Called immediately after parsing to clear the binding stack.  */
   void (*clear_binding_stack) PARAMS ((void));
@@ -256,9 +289,6 @@ struct lang_hooks
      for the passed TARGET_EXPR.  Return NULL if there is none.  */
   tree (*maybe_build_cleanup) PARAMS ((tree));
 
-  /* Mark nodes held through the lang_specific hooks in the tree.  */
-  void (*mark_tree) PARAMS ((tree));
-
   /* Set the DECL_ASSEMBLER_NAME for a node.  If it is the sort of
      thing that the assembler should talk about, set
      DECL_ASSEMBLER_NAME to an appropriate IDENTIFIER_NODE.
@@ -295,13 +325,20 @@ struct lang_hooks
   void (*print_error_function) PARAMS ((struct diagnostic_context *,
                                        const char *));
 
-  /* Set yydebug for bison-based parsers, when -dy is given on the
-     command line.  By default, if the parameter is non-zero, prints a
-     warning that the front end does not use such a parser.  */
-  void (*set_yydebug) PARAMS ((int));
+  /* Pointers to machine-independent attribute tables, for front ends
+     using attribs.c.  If one is NULL, it is ignored.  Respectively, a
+     table of attributes specific to the language, a table of
+     attributes common to two or more languages (to allow easy
+     sharing), and a table of attributes for checking formats.  */
+  const struct attribute_spec *attribute_table;
+  const struct attribute_spec *common_attribute_table;
+  const struct attribute_spec *format_attribute_table;
+
+  /* Function-related language hooks.  */
+  struct lang_hooks_for_functions function;
 
   struct lang_hooks_for_tree_inlining tree_inlining;
-  
+
   struct lang_hooks_for_tree_dump tree_dump;
 
   struct lang_hooks_for_decls decls;