gdb: Convert language la_pass_by_reference field to a method

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

diff --git a/gdb/interps.h b/gdb/interps.h
index 1b9580c1183c90a4992fc59f6c9238cef8ef8ac6..b44bd687257c92a40cf17548b7620314e07117b9 100644 (file)
--- a/gdb/interps.h
+++ b/gdb/interps.h
@@ -1,6 +1,6 @@
 /* Manages interpreters for GDB, the GNU debugger.
 
-   Copyright (C) 2000-2017 Free Software Foundation, Inc.
+   Copyright (C) 2000-2020 Free Software Foundation, Inc.
 
    Written by Jim Ingham <jingham@apple.com> of Apple Computer, Inc.
 
@@ -25,6 +25,7 @@
 struct ui_out;
 struct interp;
 struct ui;
+class completion_tracker;
 
 typedef struct interp *(*interp_factory_func) (const char *name);
 
@@ -35,8 +36,6 @@ typedef struct interp *(*interp_factory_func) (const char *name);
 extern void interp_factory_register (const char *name,
                                     interp_factory_func func);
 
-extern int interp_resume (struct interp *interp);
-extern int interp_suspend (struct interp *interp);
 extern struct gdb_exception interp_exec (struct interp *interp,
                                         const char *command);
 
@@ -63,7 +62,8 @@ public:
   /* Provides a hook for interpreters to do any additional
      setup/cleanup that they might need when logging is enabled or
      disabled.  */
-  virtual void set_logging (ui_file_up logfile, bool logging_redirect) = 0;
+  virtual void set_logging (ui_file_up logfile, bool logging_redirect,
+                           bool debug_redirect) = 0;
 
   /* Called before starting an event loop, to give the interpreter a
      chance to e.g., print a prompt.  */
@@ -76,11 +76,18 @@ public:
   virtual bool supports_command_editing ()
   { return false; }
 
+  const char *name () const
+  {
+    return m_name;
+  }
+
   /* This is the name in "-i=" and "set interpreter".  */
-  const char *name;
+private:
+  char *m_name;
 
   /* Interpreters are stored in a linked list, this is the next
      one...  */
+public:
   struct interp *next;
 
   /* Has the init method been run?  */
@@ -100,9 +107,31 @@ extern struct interp *interp_lookup (struct ui *ui, const char *name);
    interpreter fails to initialize.  */
 extern void set_top_level_interpreter (const char *name);
 
-extern struct ui_out *interp_ui_out (struct interp *interp);
-extern const char *interp_name (struct interp *interp);
-extern struct interp *interp_set_temp (const char *name);
+/* Temporarily set the current interpreter, and reset it on
+   destruction.  */
+class scoped_restore_interp
+{
+public:
+
+  scoped_restore_interp (const char *name)
+    : m_interp (set_interp (name))
+  {
+  }
+
+  ~scoped_restore_interp ()
+  {
+    set_interp (m_interp->name ());
+  }
+
+  scoped_restore_interp (const scoped_restore_interp &) = delete;
+  scoped_restore_interp &operator= (const scoped_restore_interp &) = delete;
+
+private:
+
+  struct interp *set_interp (const char *name);
+
+  struct interp *m_interp;
+};
 
 extern int current_interp_named_p (const char *name);
 
@@ -114,9 +143,12 @@ extern int current_interp_named_p (const char *name);
    interpreter should configure the output streams to send output only
    to the logfile.  If false, the interpreter should configure the
    output streams to send output to both the current output stream
-   (i.e., the terminal) and the log file.  */
+   (i.e., the terminal) and the log file.  DEBUG_REDIRECT is same as
+   LOGGING_REDIRECT, but for the value of "set logging debugredirect"
+   instead.  */
 extern void current_interp_set_logging (ui_file_up logfile,
-                                       bool logging_redirect);
+                                       bool logging_redirect,
+                                       bool debug_redirect);
 
 /* Returns the top-level interpreter.  */
 extern struct interp *top_level_interpreter (void);
@@ -138,9 +170,10 @@ extern void interp_pre_command_loop (struct interp *interp);
 
 /* List the possible interpreters which could complete the given
    text.  */
-extern VEC (char_ptr) *interpreter_completer (struct cmd_list_element *ignore,
-                                             const char *text,
-                                             const char *word);
+extern void interpreter_completer (struct cmd_list_element *ignore,
+                                  completion_tracker &tracker,
+                                  const char *text,
+                                  const char *word);
 
 /* well-known interpreters */
 #define INTERP_CONSOLE         "console"