* Makefile.in (fold-const.o, stor-layout.o, stmt.o,

	sdbout.o, profile.o): Update.
	* c-common.c (c_common_nodes_and_builtins): Use pushdecl
	langhook.
	* c-common.h (gettags): Move here from tree.h.
	* c-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
	* dbxout.c (dbxout_init): Use getdecls langhook.
	* expr.c (expand_expr): Use insert_block langhook.
	* fold-const.c: Include langhooks.h.
	(fold_range_test, fold_binary_op_with_conditional_arg,
	fold): Use global_bindings_p langhook.
	* integrate.c (expand_inline_function): Use insert_block langhook.
	* langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
	LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
	LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
	LANG_HOOKS_GETDECLS): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
	langhook.
	* langhooks.h (struct lang_hooks_for_decls): New.
	(struct lang_hooks): Update.
	* profile.c: Include langhooks.h.
	(output_func_start_profiler): Use new langhooks.
	* sdbout.c: Include langhooks.h.
	(sdbout_init, sdbout_finish): Use getdecls langhook.
	* stmt.c: Include langhooks.h.
	(expand_fixup, fixup_gotos): Use new langhooks.
	* stor-layout.c: Include langhooks.h.
	(variable_size): Use global_bindings_p langhook.
	* toplev.c (compile_file): Use getdecls langhook.
	* tree-inline.c (remap_block): Use insert_block langhook.
	* tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
	insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
cp:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.
java:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
f:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51136 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 40 insertions, 1 deletions

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 49c2c6803a1..d2a3e482ad8 100644
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -1,5 +1,5 @@
 /* The lang_hooks data structure.
-   Copyright 2001 Free Software Foundation, Inc.
+   Copyright 2001, 2002 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -65,6 +65,43 @@ struct lang_hooks_for_tree_dump
   int (*type_quals) PARAMS ((tree));
 };
 
+/* Language hooks related to decls and the symbol table.  */
+
+struct lang_hooks_for_decls
+{
+  /* Enter a new lexical scope.  Argument is always zero when called
+     from outside the front end.  */
+  void (*pushlevel) PARAMS ((int));
+
+  /* Exit a lexical scope and return a BINDING for that scope.
+     Takes three arguments:
+     KEEP -- nonzero if there were declarations in this scope.
+     REVERSE -- reverse the order of decls before returning them.
+     FUNCTIONBODY -- nonzero if this level is the body of a function.  */
+  tree (*poplevel) PARAMS ((int, int, int));
+
+  /* Returns non-zero if we are in the global binding level.  Ada
+     returns -1 for an undocumented reason used in stor-layout.c.  */
+  int (*global_bindings_p) PARAMS ((void));
+
+  /* Insert BLOCK at the end of the list of subblocks of the
+     current binding level.  This is used when a BIND_EXPR is expanded,
+     to handle the BLOCK node inside the BIND_EXPR.  */
+  void (*insert_block) PARAMS ((tree));
+
+  /* Set the BLOCK node for the current scope level.  */
+  void (*set_block) PARAMS ((tree));
+
+  /* Function to add a decl to the current scope level.  Takes one
+     argument, a decl to add.  Returns that decl, or, if the same
+     symbol is already declared, may return a different decl for that
+     name.  */
+  tree (*pushdecl) PARAMS ((tree));
+
+  /* Returns the chain of decls so far in the current scope level.  */
+  tree (*getdecls) PARAMS ((void));
+};
+
 /* Language-specific hooks.  See langhooks-def.h for defaults.  */
 
 struct lang_hooks
@@ -177,6 +214,8 @@ struct lang_hooks
   
   struct lang_hooks_for_tree_dump tree_dump;
 
+  struct lang_hooks_for_decls decls;
+
   /* Whenever you add entries here, make sure you adjust langhooks-def.h
      and langhooks.c accordingly.  */
 };