diff options
Diffstat (limited to 'gcc/langhooks.h')
-rw-r--r-- | gcc/langhooks.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/gcc/langhooks.h b/gcc/langhooks.h index 49c2c68..d2a3e482 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. */ }; |