gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / extension.h

diff --git a/gdb/extension.h b/gdb/extension.h
index a77f1575ede54842600a77553c178127eefc36a5..c840dbc70436321599220f69783e9e81155a8e27 100644 (file)
--- a/gdb/extension.h
+++ b/gdb/extension.h
@@ -1,6 +1,6 @@
 /* Interface between gdb and its extension languages.
 
-   Copyright (C) 2014-2019 Free Software Foundation, Inc.
+   Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,9 +20,9 @@
 #ifndef EXTENSION_H
 #define EXTENSION_H
 
-#include "common/array-view.h"
-#include "common/vec.h"
-#include "mi/mi-cmds.h"
+#include "mi/mi-cmds.h" /* For PRINT_NO_VALUES, etc.  */
+#include "gdbsupport/array-view.h"
+#include "gdbsupport/gdb_optional.h"
 
 struct breakpoint;
 struct command_line;
@@ -125,7 +125,10 @@ enum ext_lang_frame_args
     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
@@ -280,10 +283,8 @@ extern char *apply_ext_lang_type_printers (struct ext_lang_type_printers *,
                                           struct type *);
 
 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
@@ -307,4 +308,12 @@ extern void get_matching_xmethod_workers
   (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 */