/* Interface between gdb and its extension languages.
- Copyright (C) 2014-2018 Free Software Foundation, Inc.
+ Copyright (C) 2014-2020 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"
+#include "gdbsupport/gdb_optional.h"
struct breakpoint;
struct command_line;
succeeded. */
EXT_LANG_BT_OK = 1,
- /* Return when the frame filter process is complete, and all
- operations have succeeded. */
- EXT_LANG_BT_COMPLETED = 2,
-
/* Return when the frame filter process is complete, but there
were no filter registered and enabled to process. */
- EXT_LANG_BT_NO_FILTERS = 3
+ EXT_LANG_BT_NO_FILTERS = 2
};
/* Flags to pass to apply_extlang_frame_filter. */
-enum frame_filter_flags
+enum frame_filter_flag
{
/* Set this flag if frame level is to be printed. */
- PRINT_LEVEL = 1,
+ PRINT_LEVEL = 1 << 0,
/* Set this flag if frame information is to be printed. */
- PRINT_FRAME_INFO = 2,
+ PRINT_FRAME_INFO = 1 << 1,
/* Set this flag if frame arguments are to be printed. */
- PRINT_ARGS = 4,
+ PRINT_ARGS = 1 << 2,
/* Set this flag if frame locals are to be printed. */
- PRINT_LOCALS = 8,
+ PRINT_LOCALS = 1 << 3,
+
+ /* Set this flag if a "More frames" message is to be printed. */
+ PRINT_MORE_FRAMES = 1 << 4,
+
+ /* Set this flag if elided frames should not be printed. */
+ PRINT_HIDE = 1 << 5,
};
+DEF_ENUM_FLAGS_TYPE (enum frame_filter_flag, frame_filter_flags);
+
/* A choice of the different frame argument printing strategies that
can occur in different cases of frame filter instantiation. */
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;
-
- /* Clone this worker, returns a new but identical worker.
- The function get_matching_xmethod_workers returns a vector of matching
- workers. If a particular worker is selected by GDB to invoke a method,
- then this function can help in cloning the selected worker. */
-
- virtual std::unique_ptr<xmethod_worker> clone () = 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,
- struct ui_file *stream, int recurse,
- struct value *val, const struct value_print_options *options,
+ (struct value *value, struct ui_file *stream, int recurse,
+ const struct value_print_options *options,
const struct language_defn *language);
extern enum ext_lang_bt_status apply_ext_lang_frame_filter
- (struct frame_info *frame, int flags, enum ext_lang_frame_args args_type,
+ (struct frame_info *frame, frame_filter_flags flags,
+ enum ext_lang_frame_args args_type,
struct ui_out *out, int frame_low, int frame_high);
extern void preserve_ext_lang_values (struct objfile *, htab_t copied_types);
(struct type *type, const char *method_name,
std::vector<xmethod_worker_up> *workers);
+/* Try to colorize some source code. FILENAME is the name of the file
+ holding the code. CONTENTS is the source code itself. This will
+ either a colorized (using ANSI terminal escapes) version of the
+ source code, or an empty value if colorizing could not be done. */
+
+extern gdb::optional<std::string> ext_lang_colorize
+ (const std::string &filename, const std::string &contents);
+
#endif /* EXTENSION_H */
projects / deliverable / binutils-gdb.git / blobdiff