/* Interface between gdb and its extension languages.
- Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Copyright (C) 2014-2019 Free Software Foundation, Inc.
This file is part of GDB.
#define EXTENSION_H
#include "mi/mi-cmds.h" /* For PRINT_NO_VALUES, etc. */
-#include "common/vec.h"
+#include "gdbsupport/array-view.h"
struct breakpoint;
struct command_line;
CLI_SCALAR_VALUES,
/* Print all values for arguments when invoked from the CLI. */
- CLI_ALL_VALUES
+ CLI_ALL_VALUES,
+
+ /* Only indicate the presence of arguments when invoked from the CLI. */
+ CLI_PRESENCE
};
/* The possible results of
struct ext_lang_type_printers
{
+ ext_lang_type_printers ();
+ ~ext_lang_type_printers ();
+
+ DISABLE_COPY_AND_ASSIGN (ext_lang_type_printers);
+
/* Type-printers from Python. */
- void *py_type_printers;
+ void *py_type_printers = nullptr;
};
/* The return code for some API calls. */
virtual ~xmethod_worker () = default;
/* Invoke the xmethod encapsulated in this worker and return the result.
- The method is invoked on OBJ with arguments in the ARGS array. NARGS is
- the length of the this array. */
+ The method is invoked on OBJ with arguments in the ARGS array. */
- virtual value *invoke (value *obj, value **args, int nargs) = 0;
+ virtual value *invoke (value *obj, gdb::array_view<value *> args) = 0;
/* Return the arg types of the xmethod encapsulated in this worker.
- An array of arg types is returned. The length of the array is returned in
- NARGS. The type of the 'this' object is returned as the first element of
- array. */
+ The type of the 'this' object is returned as the first element of
+ the vector. */
- type **get_arg_types (int *nargs);
+ std::vector<type *> get_arg_types ();
/* Return the type of the result of the xmethod encapsulated in this worker.
- OBJECT, ARGS, NARGS are the same as for invoke. */
+ OBJECT and ARGS are the same as for invoke. */
- type *get_result_type (value *object, value **args, int nargs);
+ type *get_result_type (value *object, gdb::array_view<value *> args);
private:
- /* Return the types of the arguments the method takes. The number of
- arguments is returned in NARGS, and their types are returned in the array
- ARGTYPES. */
+ /* Return the types of the arguments the method takes. The types
+ are returned in TYPE_ARGS, one per argument. */
virtual enum ext_lang_rc do_get_arg_types
- (int *nargs, struct type ***arg_types) = 0;
+ (std::vector<type *> *type_args) = 0;
- /* Fetch the type of the result of the method implemented by this worker.
- OBJECT, ARGS, NARGS are the same as for the invoked method. The result
- type is stored in *RESULT_TYPE. */
+ /* Fetch the type of the result of the method implemented by this
+ worker. OBJECT and ARGS are the same as for the invoked method.
+ The result type is stored in *RESULT_TYPE. */
virtual enum ext_lang_rc do_get_result_type
- (struct value *obj, struct value **args, int nargs,
+ (struct value *obj, gdb::array_view<value *> args,
struct type **result_type_ptr) = 0;
/* The language the xmethod worker is implemented in. */
extern void auto_load_ext_lang_scripts_for_objfile (struct objfile *);
-extern struct ext_lang_type_printers *start_ext_lang_type_printers (void);
-
extern char *apply_ext_lang_type_printers (struct ext_lang_type_printers *,
struct type *);
-extern void free_ext_lang_type_printers (struct ext_lang_type_printers *);
-
extern int apply_ext_lang_val_pretty_printer
(struct type *type,
LONGEST embedded_offset, CORE_ADDR address,