Change tui_show_symtab_source to be a method

[external/binutils.git] / gdb / completer.c

diff --git a/gdb/completer.c b/gdb/completer.c
index d4773f2..07facfb 100644 (file)
--- a/gdb/completer.c
+++ b/gdb/completer.c
@@ -22,7 +22,7 @@
 #include "expression.h"
 #include "filenames.h"         /* For DOSish file names.  */
 #include "language.h"
-#include "common/gdb_signals.h"
+#include "gdbsupport/gdb_signals.h"
 #include "target.h"
 #include "reggroups.h"
 #include "user-regs.h"
@@ -352,29 +352,58 @@ gdb_rl_find_completion_word (struct gdb_rl_completion_word_info *info,
   return line_buffer + point;
 }
 
-/* See completer.h.  */
+/* Find the completion word point for TEXT, emulating the algorithm
+   readline uses to find the word point, using WORD_BREAK_CHARACTERS
+   as word break characters.  */
 
-const char *
-advance_to_expression_complete_word_point (completion_tracker &tracker,
-                                          const char *text)
+static const char *
+advance_to_completion_word (completion_tracker &tracker,
+                           const char *word_break_characters,
+                           const char *text)
 {
   gdb_rl_completion_word_info info;
 
-  info.word_break_characters
-    = current_language->la_word_break_characters ();
+  info.word_break_characters = word_break_characters;
   info.quote_characters = gdb_completer_quote_characters;
   info.basic_quote_characters = rl_basic_quote_characters;
 
+  int delimiter;
   const char *start
-    = gdb_rl_find_completion_word (&info, NULL, NULL, text);
+    = gdb_rl_find_completion_word (&info, NULL, &delimiter, text);
 
   tracker.advance_custom_word_point_by (start - text);
 
+  if (delimiter)
+    {
+      tracker.set_quote_char (delimiter);
+      tracker.set_suppress_append_ws (true);
+    }
+
   return start;
 }
 
 /* See completer.h.  */
 
+const char *
+advance_to_expression_complete_word_point (completion_tracker &tracker,
+                                          const char *text)
+{
+  const char *brk_chars = current_language->la_word_break_characters ();
+  return advance_to_completion_word (tracker, brk_chars, text);
+}
+
+/* See completer.h.  */
+
+const char *
+advance_to_filename_complete_word_point (completion_tracker &tracker,
+                                        const char *text)
+{
+  const char *brk_chars = gdb_completer_file_name_break_characters;
+  return advance_to_completion_word (tracker, brk_chars, text);
+}
+
+/* See completer.h.  */
+
 bool
 completion_tracker::completes_to_completion_word (const char *word)
 {
@@ -394,6 +423,39 @@ completion_tracker::completes_to_completion_word (const char *word)
   return false;
 }
 
+/* See completer.h.  */
+
+void
+complete_nested_command_line (completion_tracker &tracker, const char *text)
+{
+  /* Must be called from a custom-word-point completer.  */
+  gdb_assert (tracker.use_custom_word_point ());
+
+  /* Disable the custom word point temporarily, because we want to
+     probe whether the command we're completing itself uses a custom
+     word point.  */
+  tracker.set_use_custom_word_point (false);
+  size_t save_custom_word_point = tracker.custom_word_point ();
+
+  int quote_char = '\0';
+  const char *word = completion_find_completion_word (tracker, text,
+                                                     &quote_char);
+
+  if (tracker.use_custom_word_point ())
+    {
+      /* The command we're completing uses a custom word point, so the
+        tracker already contains the matches.  We're done.  */
+      return;
+    }
+
+  /* Restore the custom word point settings.  */
+  tracker.set_custom_word_point (save_custom_word_point);
+  tracker.set_use_custom_word_point (true);
+
+  /* Run the handle_completions completer phase.  */
+  complete_line (tracker, word, text, strlen (text));
+}
+
 /* Complete on linespecs, which might be of two possible forms:
 
        file:line
@@ -1396,6 +1458,9 @@ complete_line_internal_1 (completion_tracker &tracker,
                    break;
                }
 
+             /* Move the custom word point back too.  */
+             tracker.advance_custom_word_point_by (q - p);
+
              if (reason != handle_brkchars)
                complete_on_cmdlist (result_list, tracker, q, word,
                                     ignore_help_classes);
@@ -1862,6 +1927,9 @@ gdb_completion_word_break_characters_throw ()
     {
       gdb_assert (tracker.custom_word_point () > 0);
       rl_point = tracker.custom_word_point () - 1;
+
+      gdb_assert (rl_point >= 0 && rl_point < strlen (rl_line_buffer));
+
       gdb_custom_word_point_brkchars[0] = rl_line_buffer[rl_point];
       rl_completer_word_break_characters = gdb_custom_word_point_brkchars;
       rl_completer_quote_characters = NULL;
@@ -1965,7 +2033,7 @@ completion_tracker::recompute_lowest_common_denominator
 /* See completer.h.  */
 
 void
-completion_tracker::advance_custom_word_point_by (size_t len)
+completion_tracker::advance_custom_word_point_by (int len)
 {
   m_custom_word_point += len;
 }