297 struct lang_hooks  struct
301   const char *name;
305   size_t identifier_size;
308   void (*free_lang_data) (tree);
314   size_t (*tree_size) (enum tree_code);
318   unsigned int (*option_lang_mask) (void);
321   void (*init_options_struct) (struct gcc_options *opts);
326   void (*init_options) (unsigned int decoded_options_count,
331   void (*initialize_diagnostics) (diagnostic_context *);
334   void (*register_dumps) (gcc::dump_manager *);
339   bool (*complain_wrong_lang_p) (const struct cl_option *option);
351   bool (*handle_option) (size_t code, const char *arg, int value, int kind,
363   bool (*post_options) (const char **);
368   bool (*init) (void);
371   void (*finish) (void);
374   void (*parse_file) (void);
377   bool (*missing_noreturn_ok_p) (tree);
381   alias_set_type (*get_alias_set) (tree);
385   void (*finish_incomplete_decl) (tree);
389   void (*dup_lang_specific_decl) (tree);
396   void (*set_decl_assembler_name) (tree);
400   void (*overwrite_decl_assembler_name) (tree, tree);
404   void (*print_statistics) (void);
408   lang_print_tree_hook print_xnode;
412   lang_print_tree_hook print_decl;
413   lang_print_tree_hook print_type;
414   lang_print_tree_hook print_identifier;
425   const char *(*decl_printable_name) (tree decl, int verbosity);
430   const char *(*dwarf_name) (tree, int verbosity);
435   int (*types_compatible_p) (tree x, tree y);
459   struct lang_hooks_for_tree_inlining tree_inlining;  argument
461   struct lang_hooks_for_tree_dump tree_dump;  argument
463   struct lang_hooks_for_decls decls;  argument
465   struct lang_hooks_for_types types;  argument
467   struct lang_hooks_for_lto lto;  argument
473   tree (*get_innermost_generic_parms) (const_tree);
477   tree (*get_innermost_generic_args) (const_tree);
480   bool (*function_parameter_pack_p) (const_tree);
484   int (*gimplify_expr) (tree *, gimple_seq *, gimple_seq *);
487   tree (*builtin_function) (tree decl);
495   tree (*builtin_function_ext_scope) (tree decl);
498   void (*init_ts) (void);
503   tree (*expr_to_decl) (tree expr, bool *tc, bool *se);
506   tree (*eh_personality) (void);
509   tree (*eh_runtime_type) (tree);
517   tree (*eh_protect_cleanup_actions) (void);
521   bool (*block_may_fallthru) (const_tree);
525   bool eh_use_cxa_end_cleanup;
529   bool deep_unsharing;
553 extern struct lang_hooks lang_hooks;  argument