319 struct lang_hooks  struct
323   const char *name;
327   size_t identifier_size;
330   void (*free_lang_data) (tree);
336   size_t (*tree_size) (enum tree_code);
340   unsigned int (*option_lang_mask) (void);
343   void (*init_options_struct) (struct gcc_options *opts);
348   void (*init_options) (unsigned int decoded_options_count,
353   void (*initialize_diagnostics) (diagnostic_context *);
356   void (*register_dumps) (gcc::dump_manager *);
361   bool (*complain_wrong_lang_p) (const struct cl_option *option);
373   bool (*handle_option) (size_t code, const char *arg, HOST_WIDE_INT value,
385   bool (*post_options) (const char **);
390   bool (*init) (void);
393   void (*finish) (void);
396   void (*parse_file) (void);
399   bool (*missing_noreturn_ok_p) (tree);
403   alias_set_type (*get_alias_set) (tree);
407   void (*finish_incomplete_decl) (tree);
411   void (*dup_lang_specific_decl) (tree);
418   void (*set_decl_assembler_name) (tree);
422   void (*overwrite_decl_assembler_name) (tree, tree);
426   void (*print_statistics) (void);
430   lang_print_tree_hook print_xnode;
434   lang_print_tree_hook print_decl;
435   lang_print_tree_hook print_type;
436   lang_print_tree_hook print_identifier;
447   const char *(*decl_printable_name) (tree decl, int verbosity);
452   const char *(*dwarf_name) (tree, int verbosity);
457   int (*types_compatible_p) (tree x, tree y);
481   struct lang_hooks_for_tree_inlining tree_inlining;  argument
483   struct lang_hooks_for_tree_dump tree_dump;  argument
485   struct lang_hooks_for_decls decls;  argument
487   struct lang_hooks_for_types types;  argument
489   struct lang_hooks_for_lto lto;  argument
495   tree (*get_innermost_generic_parms) (const_tree);
499   tree (*get_innermost_generic_args) (const_tree);
502   bool (*function_parameter_pack_p) (const_tree);
506   int (*gimplify_expr) (tree *, gimple_seq *, gimple_seq *);
509   tree (*builtin_function) (tree decl);
517   tree (*builtin_function_ext_scope) (tree decl);
526   tree (*simulate_builtin_function_decl) (tree decl);
529   void (*init_ts) (void);
534   tree (*expr_to_decl) (tree expr, bool *tc, bool *se);
537   tree (*eh_personality) (void);
540   tree (*eh_runtime_type) (tree);
548   tree (*eh_protect_cleanup_actions) (void);
552   bool (*block_may_fallthru) (const_tree);
556   bool eh_use_cxa_end_cleanup;
560   bool deep_unsharing;
584 extern struct lang_hooks lang_hooks;  argument