Index: patches/README
===================================================================
--- patches/README (revision 384)
+++ patches/README (nonexistent)
@@ -1,6 +0,0 @@
-
-/* begin *
-
- TODO: Leave some comment here.
-
- * end */
Index: patches
===================================================================
--- patches (revision 384)
+++ patches (nonexistent)
Property changes on: patches
___________________________________________________________________
Deleted: svn:ignore
## -1,73 +0,0 ##
-
-# install dir
-dist
-
-# Target build dirs
-.a1x-newlib
-.a2x-newlib
-.at91sam7s-newlib
-
-.build-machine
-
-.a1x-glibc
-.a2x-glibc
-.h3-glibc
-.h5-glibc
-.i586-glibc
-.i686-glibc
-.imx6-glibc
-.jz47xx-glibc
-.makefile
-.am335x-glibc
-.omap543x-glibc
-.p5600-glibc
-.power8-glibc
-.power8le-glibc
-.power9-glibc
-.power9le-glibc
-.m1000-glibc
-.riscv64-glibc
-.rk328x-glibc
-.rk33xx-glibc
-.rk339x-glibc
-.s8xx-glibc
-.s9xx-glibc
-.x86_64-glibc
-
-# Hidden files (each file)
-.makefile
-.dist
-.rootfs
-
-# src & hw requires
-.src_requires
-.src_requires_depend
-.requires
-.requires_depend
-
-# Tarballs
-*.gz
-*.bz2
-*.lz
-*.xz
-*.tgz
-*.txz
-
-# Signatures
-*.asc
-*.sig
-*.sign
-*.sha1sum
-
-# Patches
-*.patch
-
-# Descriptions
-*.dsc
-*.txt
-
-# Default linux config files
-*.defconfig
-
-# backup copies
-*~
Index: create-12.1-compiler-permissive-patch/file.list
===================================================================
--- create-12.1-compiler-permissive-patch/file.list (revision 384)
+++ create-12.1-compiler-permissive-patch/file.list (nonexistent)
@@ -1 +0,0 @@
-gdb-12.1/gdb/completer.c
Index: create-12.1-compiler-permissive-patch/create.patch.sh
===================================================================
--- create-12.1-compiler-permissive-patch/create.patch.sh (revision 384)
+++ create-12.1-compiler-permissive-patch/create.patch.sh (nonexistent)
@@ -1,15 +0,0 @@
-#!/bin/sh
-
-VERSION=12.1
-
-tar --files-from=file.list -xJvf ../gdb-$VERSION.tar.xz
-mv gdb-$VERSION gdb-$VERSION-orig
-
-cp -rf ./gdb-$VERSION-new ./gdb-$VERSION
-
-diff --unified -Nr gdb-$VERSION-orig gdb-$VERSION > gdb-$VERSION-compiler-permissive.patch
-
-mv gdb-$VERSION-compiler-permissive.patch ../patches
-
-rm -rf ./gdb-$VERSION
-rm -rf ./gdb-$VERSION-orig
Property changes on: create-12.1-compiler-permissive-patch/create.patch.sh
___________________________________________________________________
Deleted: svn:executable
## -1 +0,0 ##
-*
\ No newline at end of property
Index: create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb/completer.c
===================================================================
--- create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb/completer.c (revision 384)
+++ create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb/completer.c (nonexistent)
@@ -1,3087 +0,0 @@
-/* Line completion stuff for GDB, the GNU debugger.
- Copyright (C) 2000-2022 Free Software Foundation, Inc.
-
- This file is part of GDB.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include "defs.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "expression.h"
-#include "filenames.h" /* For DOSish file names. */
-#include "language.h"
-#include "gdbsupport/gdb_signals.h"
-#include "target.h"
-#include "reggroups.h"
-#include "user-regs.h"
-#include "arch-utils.h"
-#include "location.h"
-#include <algorithm>
-#include "linespec.h"
-#include "cli/cli-decode.h"
-
-/* FIXME: This is needed because of lookup_cmd_1 (). We should be
- calling a hook instead so we eliminate the CLI dependency. */
-#include "gdbcmd.h"
-
-/* Needed for rl_completer_word_break_characters() and for
- rl_filename_completion_function. */
-#include "readline/readline.h"
-
-/* readline defines this. */
-#undef savestring
-
-#include "completer.h"
-
-/* See completer.h. */
-
-class completion_tracker::completion_hash_entry
-{
-public:
- /* Constructor. */
- completion_hash_entry (gdb::unique_xmalloc_ptr<char> name,
- gdb::unique_xmalloc_ptr<char> lcd)
- : m_name (std::move (name)),
- m_lcd (std::move (lcd))
- {
- /* Nothing. */
- }
-
- /* Returns a pointer to the lowest common denominator string. This
- string will only be valid while this hash entry is still valid as the
- string continues to be owned by this hash entry and will be released
- when this entry is deleted. */
- char *get_lcd () const
- {
- return m_lcd.get ();
- }
-
- /* Get, and release the name field from this hash entry. This can only
- be called once, after which the name field is no longer valid. This
- should be used to pass ownership of the name to someone else. */
- char *release_name ()
- {
- return m_name.release ();
- }
-
- /* Return true of the name in this hash entry is STR. */
- bool is_name_eq (const char *str) const
- {
- return strcmp (m_name.get (), str) == 0;
- }
-
- /* Return the hash value based on the name of the entry. */
- hashval_t hash_name () const
- {
- return htab_hash_string (m_name.get ());
- }
-
-private:
-
- /* The symbol name stored in this hash entry. */
- gdb::unique_xmalloc_ptr<char> m_name;
-
- /* The lowest common denominator string computed for this hash entry. */
- gdb::unique_xmalloc_ptr<char> m_lcd;
-};
-
-/* Misc state that needs to be tracked across several different
- readline completer entry point calls, all related to a single
- completion invocation. */
-
-struct gdb_completer_state
-{
- /* The current completion's completion tracker. This is a global
- because a tracker can be shared between the handle_brkchars and
- handle_completion phases, which involves different readline
- callbacks. */
- completion_tracker *tracker = NULL;
-
- /* Whether the current completion was aborted. */
- bool aborted = false;
-};
-
-/* The current completion state. */
-static gdb_completer_state current_completion;
-
-/* An enumeration of the various things a user might attempt to
- complete for a location. If you change this, remember to update
- the explicit_options array below too. */
-
-enum explicit_location_match_type
-{
- /* The filename of a source file. */
- MATCH_SOURCE,
-
- /* The name of a function or method. */
- MATCH_FUNCTION,
-
- /* The fully-qualified name of a function or method. */
- MATCH_QUALIFIED,
-
- /* A line number. */
- MATCH_LINE,
-
- /* The name of a label. */
- MATCH_LABEL
-};
-
-/* Prototypes for local functions. */
-
-/* readline uses the word breaks for two things:
- (1) In figuring out where to point the TEXT parameter to the
- rl_completion_entry_function. Since we don't use TEXT for much,
- it doesn't matter a lot what the word breaks are for this purpose,
- but it does affect how much stuff M-? lists.
- (2) If one of the matches contains a word break character, readline
- will quote it. That's why we switch between
- current_language->word_break_characters () and
- gdb_completer_command_word_break_characters. I'm not sure when
- we need this behavior (perhaps for funky characters in C++
- symbols?). */
-
-/* Variables which are necessary for fancy command line editing. */
-
-/* When completing on command names, we remove '-' and '.' from the list of
- word break characters, since we use it in command names. If the
- readline library sees one in any of the current completion strings,
- it thinks that the string needs to be quoted and automatically
- supplies a leading quote. */
-static const char gdb_completer_command_word_break_characters[] =
-" \t\n!@#$%^&*()+=|~`}{[]\"';:?/><,";
-
-/* When completing on file names, we remove from the list of word
- break characters any characters that are commonly used in file
- names, such as '-', '+', '~', etc. Otherwise, readline displays
- incorrect completion candidates. */
-/* MS-DOS and MS-Windows use colon as part of the drive spec, and most
- programs support @foo style response files. */
-static const char gdb_completer_file_name_break_characters[] =
-#ifdef HAVE_DOS_BASED_FILE_SYSTEM
- " \t\n*|\"';?><@";
-#else
- " \t\n*|\"';:?><";
-#endif
-
-/* Characters that can be used to quote completion strings. Note that
- we can't include '"' because the gdb C parser treats such quoted
- sequences as strings. */
-static const char gdb_completer_quote_characters[] = "'";
-
-/* Accessor for some completer data that may interest other files. */
-
-const char *
-get_gdb_completer_quote_characters (void)
-{
- return gdb_completer_quote_characters;
-}
-
-/* This can be used for functions which don't want to complete on
- symbols but don't want to complete on anything else either. */
-
-void
-noop_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *prefix)
-{
-}
-
-/* Complete on filenames. */
-
-void
-filename_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- int subsequent_name;
-
- subsequent_name = 0;
- while (1)
- {
- gdb::unique_xmalloc_ptr<char> p_rl
- (rl_filename_completion_function (text, subsequent_name));
- if (p_rl == NULL)
- break;
- /* We need to set subsequent_name to a non-zero value before the
- continue line below, because otherwise, if the first file
- seen by GDB is a backup file whose name ends in a `~', we
- will loop indefinitely. */
- subsequent_name = 1;
- /* Like emacs, don't complete on old versions. Especially
- useful in the "source" command. */
- const char *p = p_rl.get ();
- if (p[strlen (p) - 1] == '~')
- continue;
-
- tracker.add_completion
- (make_completion_match_str (std::move (p_rl), text, word));
- }
-#if 0
- /* There is no way to do this just long enough to affect quote
- inserting without also affecting the next completion. This
- should be fixed in readline. FIXME. */
- /* Ensure that readline does the right thing
- with respect to inserting quotes. */
- rl_completer_word_break_characters = "";
-#endif
-}
-
-/* The corresponding completer_handle_brkchars
- implementation. */
-
-static void
-filename_completer_handle_brkchars (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- set_rl_completer_word_break_characters
- (gdb_completer_file_name_break_characters);
-}
-
-/* Find the bounds of the current word for completion purposes, and
- return a pointer to the end of the word. This mimics (and is a
- modified version of) readline's _rl_find_completion_word internal
- function.
-
- This function skips quoted substrings (characters between matched
- pairs of characters in rl_completer_quote_characters). We try to
- find an unclosed quoted substring on which to do matching. If one
- is not found, we use the word break characters to find the
- boundaries of the current word. QC, if non-null, is set to the
- opening quote character if we found an unclosed quoted substring,
- '\0' otherwise. DP, if non-null, is set to the value of the
- delimiter character that caused a word break. */
-
-struct gdb_rl_completion_word_info
-{
- const char *word_break_characters;
- const char *quote_characters;
- const char *basic_quote_characters;
-};
-
-static const char *
-gdb_rl_find_completion_word (struct gdb_rl_completion_word_info *info,
- int *qc, int *dp,
- const char *line_buffer)
-{
- int scan, end, delimiter, pass_next, isbrk;
- char quote_char;
- const char *brkchars;
- int point = strlen (line_buffer);
-
- /* The algorithm below does '--point'. Avoid buffer underflow with
- the empty string. */
- if (point == 0)
- {
- if (qc != NULL)
- *qc = '\0';
- if (dp != NULL)
- *dp = '\0';
- return line_buffer;
- }
-
- end = point;
- delimiter = 0;
- quote_char = '\0';
-
- brkchars = info->word_break_characters;
-
- if (info->quote_characters != NULL)
- {
- /* We have a list of characters which can be used in pairs to
- quote substrings for the completer. Try to find the start of
- an unclosed quoted substring. */
- for (scan = pass_next = 0;
- scan < end;
- scan++)
- {
- if (pass_next)
- {
- pass_next = 0;
- continue;
- }
-
- /* Shell-like semantics for single quotes -- don't allow
- backslash to quote anything in single quotes, especially
- not the closing quote. If you don't like this, take out
- the check on the value of quote_char. */
- if (quote_char != '\'' && line_buffer[scan] == '\\')
- {
- pass_next = 1;
- continue;
- }
-
- if (quote_char != '\0')
- {
- /* Ignore everything until the matching close quote
- char. */
- if (line_buffer[scan] == quote_char)
- {
- /* Found matching close. Abandon this
- substring. */
- quote_char = '\0';
- point = end;
- }
- }
- else if (strchr (info->quote_characters, line_buffer[scan]))
- {
- /* Found start of a quoted substring. */
- quote_char = line_buffer[scan];
- point = scan + 1;
- }
- }
- }
-
- if (point == end && quote_char == '\0')
- {
- /* We didn't find an unclosed quoted substring upon which to do
- completion, so use the word break characters to find the
- substring on which to complete. */
- while (--point)
- {
- scan = line_buffer[point];
-
- if (strchr (brkchars, scan) != 0)
- break;
- }
- }
-
- /* If we are at an unquoted word break, then advance past it. */
- scan = line_buffer[point];
-
- if (scan)
- {
- isbrk = strchr (brkchars, scan) != 0;
-
- if (isbrk)
- {
- /* If the character that caused the word break was a quoting
- character, then remember it as the delimiter. */
- if (info->basic_quote_characters
- && strchr (info->basic_quote_characters, scan)
- && (end - point) > 1)
- delimiter = scan;
-
- point++;
- }
- }
-
- if (qc != NULL)
- *qc = quote_char;
- if (dp != NULL)
- *dp = delimiter;
-
- return line_buffer + point;
-}
-
-/* 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. */
-
-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 = 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, &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->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)
-{
- recompute_lowest_common_denominator ();
- if (m_lowest_common_denominator_unique)
- {
- const char *lcd = m_lowest_common_denominator;
-
- if (strncmp_iw (word, lcd, strlen (lcd)) == 0)
- {
- /* Maybe skip the function and complete on keywords. */
- size_t wordlen = strlen (word);
- if (word[wordlen - 1] == ' ')
- return true;
- }
- }
-
- 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,
- "e_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
- or
- symbol+offset
-
- This is intended to be used in commands that set breakpoints
- etc. */
-
-static void
-complete_files_symbols (completion_tracker &tracker,
- const char *text, const char *word)
-{
- completion_list fn_list;
- const char *p;
- int quote_found = 0;
- int quoted = *text == '\'' || *text == '"';
- int quote_char = '\0';
- const char *colon = NULL;
- char *file_to_match = NULL;
- const char *symbol_start = text;
- const char *orig_text = text;
-
- /* Do we have an unquoted colon, as in "break foo.c:bar"? */
- for (p = text; *p != '\0'; ++p)
- {
- if (*p == '\\' && p[1] == '\'')
- p++;
- else if (*p == '\'' || *p == '"')
- {
- quote_found = *p;
- quote_char = *p++;
- while (*p != '\0' && *p != quote_found)
- {
- if (*p == '\\' && p[1] == quote_found)
- p++;
- p++;
- }
-
- if (*p == quote_found)
- quote_found = 0;
- else
- break; /* Hit the end of text. */
- }
-#if HAVE_DOS_BASED_FILE_SYSTEM
- /* If we have a DOS-style absolute file name at the beginning of
- TEXT, and the colon after the drive letter is the only colon
- we found, pretend the colon is not there. */
- else if (p < text + 3 && *p == ':' && p == text + 1 + quoted)
- ;
-#endif
- else if (*p == ':' && !colon)
- {
- colon = p;
- symbol_start = p + 1;
- }
- else if (strchr (current_language->word_break_characters (), *p))
- symbol_start = p + 1;
- }
-
- if (quoted)
- text++;
-
- /* Where is the file name? */
- if (colon)
- {
- char *s;
-
- file_to_match = (char *) xmalloc (colon - text + 1);
- strncpy (file_to_match, text, colon - text);
- file_to_match[colon - text] = '\0';
- /* Remove trailing colons and quotes from the file name. */
- for (s = file_to_match + (colon - text);
- s > file_to_match;
- s--)
- if (*s == ':' || *s == quote_char)
- *s = '\0';
- }
- /* If the text includes a colon, they want completion only on a
- symbol name after the colon. Otherwise, we need to complete on
- symbols as well as on files. */
- if (colon)
- {
- collect_file_symbol_completion_matches (tracker,
- complete_symbol_mode::EXPRESSION,
- symbol_name_match_type::EXPRESSION,
- symbol_start, word,
- file_to_match);
- xfree (file_to_match);
- }
- else
- {
- size_t text_len = strlen (text);
-
- collect_symbol_completion_matches (tracker,
- complete_symbol_mode::EXPRESSION,
- symbol_name_match_type::EXPRESSION,
- symbol_start, word);
- /* If text includes characters which cannot appear in a file
- name, they cannot be asking for completion on files. */
- if (strcspn (text,
- gdb_completer_file_name_break_characters) == text_len)
- fn_list = make_source_files_completion_list (text, text);
- }
-
- if (!fn_list.empty () && !tracker.have_completions ())
- {
- /* If we only have file names as possible completion, we should
- bring them in sync with what rl_complete expects. The
- problem is that if the user types "break /foo/b TAB", and the
- possible completions are "/foo/bar" and "/foo/baz"
- rl_complete expects us to return "bar" and "baz", without the
- leading directories, as possible completions, because `word'
- starts at the "b". But we ignore the value of `word' when we
- call make_source_files_completion_list above (because that
- would not DTRT when the completion results in both symbols
- and file names), so make_source_files_completion_list returns
- the full "/foo/bar" and "/foo/baz" strings. This produces
- wrong results when, e.g., there's only one possible
- completion, because rl_complete will prepend "/foo/" to each
- candidate completion. The loop below removes that leading
- part. */
- for (const auto &fn_up: fn_list)
- {
- char *fn = fn_up.get ();
- memmove (fn, fn + (word - text), strlen (fn) + 1 - (word - text));
- }
- }
-
- tracker.add_completions (std::move (fn_list));
-
- if (!tracker.have_completions ())
- {
- /* No completions at all. As the final resort, try completing
- on the entire text as a symbol. */
- collect_symbol_completion_matches (tracker,
- complete_symbol_mode::EXPRESSION,
- symbol_name_match_type::EXPRESSION,
- orig_text, word);
- }
-}
-
-/* See completer.h. */
-
-completion_list
-complete_source_filenames (const char *text)
-{
- size_t text_len = strlen (text);
-
- /* If text includes characters which cannot appear in a file name,
- the user cannot be asking for completion on files. */
- if (strcspn (text,
- gdb_completer_file_name_break_characters)
- == text_len)
- return make_source_files_completion_list (text, text);
-
- return {};
-}
-
-/* Complete address and linespec locations. */
-
-static void
-complete_address_and_linespec_locations (completion_tracker &tracker,
- const char *text,
- symbol_name_match_type match_type)
-{
- if (*text == '*')
- {
- tracker.advance_custom_word_point_by (1);
- text++;
- const char *word
- = advance_to_expression_complete_word_point (tracker, text);
- complete_expression (tracker, text, word);
- }
- else
- {
- linespec_complete (tracker, text, match_type);
- }
-}
-
-/* The explicit location options. Note that indexes into this array
- must match the explicit_location_match_type enumerators. */
-
-static const char *const explicit_options[] =
- {
- "-source",
- "-function",
- "-qualified",
- "-line",
- "-label",
- NULL
- };
-
-/* The probe modifier options. These can appear before a location in
- breakpoint commands. */
-static const char *const probe_options[] =
- {
- "-probe",
- "-probe-stap",
- "-probe-dtrace",
- NULL
- };
-
-/* Returns STRING if not NULL, the empty string otherwise. */
-
-static const char *
-string_or_empty (const char *string)
-{
- return string != NULL ? string : "";
-}
-
-/* A helper function to collect explicit location matches for the given
- LOCATION, which is attempting to match on WORD. */
-
-static void
-collect_explicit_location_matches (completion_tracker &tracker,
- struct event_location *location,
- enum explicit_location_match_type what,
- const char *word,
- const struct language_defn *language)
-{
- const struct explicit_location *explicit_loc
- = get_explicit_location (location);
-
- /* True if the option expects an argument. */
- bool needs_arg = true;
-
- /* Note, in the various MATCH_* below, we complete on
- explicit_loc->foo instead of WORD, because only the former will
- have already skipped past any quote char. */
- switch (what)
- {
- case MATCH_SOURCE:
- {
- const char *source = string_or_empty (explicit_loc->source_filename);
- completion_list matches
- = make_source_files_completion_list (source, source);
- tracker.add_completions (std::move (matches));
- }
- break;
-
- case MATCH_FUNCTION:
- {
- const char *function = string_or_empty (explicit_loc->function_name);
- linespec_complete_function (tracker, function,
- explicit_loc->func_name_match_type,
- explicit_loc->source_filename);
- }
- break;
-
- case MATCH_QUALIFIED:
- needs_arg = false;
- break;
- case MATCH_LINE:
- /* Nothing to offer. */
- break;
-
- case MATCH_LABEL:
- {
- const char *label = string_or_empty (explicit_loc->label_name);
- linespec_complete_label (tracker, language,
- explicit_loc->source_filename,
- explicit_loc->function_name,
- explicit_loc->func_name_match_type,
- label);
- }
- break;
-
- default:
- gdb_assert_not_reached ("unhandled explicit_location_match_type");
- }
-
- if (!needs_arg || tracker.completes_to_completion_word (word))
- {
- tracker.discard_completions ();
- tracker.advance_custom_word_point_by (strlen (word));
- complete_on_enum (tracker, explicit_options, "", "");
- complete_on_enum (tracker, linespec_keywords, "", "");
- }
- else if (!tracker.have_completions ())
- {
- /* Maybe we have an unterminated linespec keyword at the tail of
- the string. Try completing on that. */
- size_t wordlen = strlen (word);
- const char *keyword = word + wordlen;
-
- if (wordlen > 0 && keyword[-1] != ' ')
- {
- while (keyword > word && *keyword != ' ')
- keyword--;
- /* Don't complete on keywords if we'd be completing on the
- whole explicit linespec option. E.g., "b -function
- thr<tab>" should not complete to the "thread"
- keyword. */
- if (keyword != word)
- {
- keyword = skip_spaces (keyword);
-
- tracker.advance_custom_word_point_by (keyword - word);
- complete_on_enum (tracker, linespec_keywords, keyword, keyword);
- }
- }
- else if (wordlen > 0 && keyword[-1] == ' ')
- {
- /* Assume that we're maybe past the explicit location
- argument, and we didn't manage to find any match because
- the user wants to create a pending breakpoint. Offer the
- keyword and explicit location options as possible
- completions. */
- tracker.advance_custom_word_point_by (keyword - word);
- complete_on_enum (tracker, linespec_keywords, keyword, keyword);
- complete_on_enum (tracker, explicit_options, keyword, keyword);
- }
- }
-}
-
-/* If the next word in *TEXT_P is any of the keywords in KEYWORDS,
- then advance both TEXT_P and the word point in the tracker past the
- keyword and return the (0-based) index in the KEYWORDS array that
- matched. Otherwise, return -1. */
-
-static int
-skip_keyword (completion_tracker &tracker,
- const char * const *keywords, const char **text_p)
-{
- const char *text = *text_p;
- const char *after = skip_to_space (text);
- size_t len = after - text;
-
- if (text[len] != ' ')
- return -1;
-
- int found = -1;
- for (int i = 0; keywords[i] != NULL; i++)
- {
- if (strncmp (keywords[i], text, len) == 0)
- {
- if (found == -1)
- found = i;
- else
- return -1;
- }
- }
-
- if (found != -1)
- {
- tracker.advance_custom_word_point_by (len + 1);
- text += len + 1;
- *text_p = text;
- return found;
- }
-
- return -1;
-}
-
-/* A completer function for explicit locations. This function
- completes both options ("-source", "-line", etc) and values. If
- completing a quoted string, then QUOTED_ARG_START and
- QUOTED_ARG_END point to the quote characters. LANGUAGE is the
- current language. */
-
-static void
-complete_explicit_location (completion_tracker &tracker,
- struct event_location *location,
- const char *text,
- const language_defn *language,
- const char *quoted_arg_start,
- const char *quoted_arg_end)
-{
- if (*text != '-')
- return;
-
- int keyword = skip_keyword (tracker, explicit_options, &text);
-
- if (keyword == -1)
- {
- complete_on_enum (tracker, explicit_options, text, text);
- /* There are keywords that start with "-". Include them, too. */
- complete_on_enum (tracker, linespec_keywords, text, text);
- }
- else
- {
- /* Completing on value. */
- enum explicit_location_match_type what
- = (explicit_location_match_type) keyword;
-
- if (quoted_arg_start != NULL && quoted_arg_end != NULL)
- {
- if (quoted_arg_end[1] == '\0')
- {
- /* If completing a quoted string with the cursor right
- at the terminating quote char, complete the
- completion word without interpretation, so that
- readline advances the cursor one whitespace past the
- quote, even if there's no match. This makes these
- cases behave the same:
-
- before: "b -function function()"
- after: "b -function function() "
-
- before: "b -function 'function()'"
- after: "b -function 'function()' "
-
- and trusts the user in this case:
-
- before: "b -function 'not_loaded_function_yet()'"
- after: "b -function 'not_loaded_function_yet()' "
- */
- tracker.add_completion (make_unique_xstrdup (text));
- }
- else if (quoted_arg_end[1] == ' ')
- {
- /* We're maybe past the explicit location argument.
- Skip the argument without interpretation, assuming the
- user may want to create pending breakpoint. Offer
- the keyword and explicit location options as possible
- completions. */
- tracker.advance_custom_word_point_by (strlen (text));
- complete_on_enum (tracker, linespec_keywords, "", "");
- complete_on_enum (tracker, explicit_options, "", "");
- }
- return;
- }
-
- /* Now gather matches */
- collect_explicit_location_matches (tracker, location, what, text,
- language);
- }
-}
-
-/* A completer for locations. */
-
-void
-location_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char * /* word */)
-{
- int found_probe_option = -1;
-
- /* If we have a probe modifier, skip it. This can only appear as
- first argument. Until we have a specific completer for probes,
- falling back to the linespec completer for the remainder of the
- line is better than nothing. */
- if (text[0] == '-' && text[1] == 'p')
- found_probe_option = skip_keyword (tracker, probe_options, &text);
-
- const char *option_text = text;
- int saved_word_point = tracker.custom_word_point ();
-
- const char *copy = text;
-
- explicit_completion_info completion_info;
- event_location_up location
- = string_to_explicit_location (©, current_language,
- &completion_info);
- if (completion_info.quoted_arg_start != NULL
- && completion_info.quoted_arg_end == NULL)
- {
- /* Found an unbalanced quote. */
- tracker.set_quote_char (*completion_info.quoted_arg_start);
- tracker.advance_custom_word_point_by (1);
- }
-
- if (completion_info.saw_explicit_location_option)
- {
- if (*copy != '\0')
- {
- tracker.advance_custom_word_point_by (copy - text);
- text = copy;
-
- /* We found a terminator at the tail end of the string,
- which means we're past the explicit location options. We
- may have a keyword to complete on. If we have a whole
- keyword, then complete whatever comes after as an
- expression. This is mainly for the "if" keyword. If the
- "thread" and "task" keywords gain their own completers,
- they should be used here. */
- int keyword = skip_keyword (tracker, linespec_keywords, &text);
-
- if (keyword == -1)
- {
- complete_on_enum (tracker, linespec_keywords, text, text);
- }
- else
- {
- const char *word
- = advance_to_expression_complete_word_point (tracker, text);
- complete_expression (tracker, text, word);
- }
- }
- else
- {
- tracker.advance_custom_word_point_by (completion_info.last_option
- - text);
- text = completion_info.last_option;
-
- complete_explicit_location (tracker, location.get (), text,
- current_language,
- completion_info.quoted_arg_start,
- completion_info.quoted_arg_end);
-
- }
- }
- /* This is an address or linespec location. */
- else if (location != NULL)
- {
- /* Handle non-explicit location options. */
-
- int keyword = skip_keyword (tracker, explicit_options, &text);
- if (keyword == -1)
- complete_on_enum (tracker, explicit_options, text, text);
- else
- {
- tracker.advance_custom_word_point_by (copy - text);
- text = copy;
-
- symbol_name_match_type match_type
- = get_explicit_location (location.get ())->func_name_match_type;
- complete_address_and_linespec_locations (tracker, text, match_type);
- }
- }
- else
- {
- /* No options. */
- complete_address_and_linespec_locations (tracker, text,
- symbol_name_match_type::WILD);
- }
-
- /* Add matches for option names, if either:
-
- - Some completer above found some matches, but the word point did
- not advance (e.g., "b <tab>" finds all functions, or "b -<tab>"
- matches all objc selectors), or;
-
- - Some completer above advanced the word point, but found no
- matches.
- */
- if ((text[0] == '-' || text[0] == '\0')
- && (!tracker.have_completions ()
- || tracker.custom_word_point () == saved_word_point))
- {
- tracker.set_custom_word_point (saved_word_point);
- text = option_text;
-
- if (found_probe_option == -1)
- complete_on_enum (tracker, probe_options, text, text);
- complete_on_enum (tracker, explicit_options, text, text);
- }
-}
-
-/* The corresponding completer_handle_brkchars
- implementation. */
-
-static void
-location_completer_handle_brkchars (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text,
- const char *word_ignored)
-{
- tracker.set_use_custom_word_point (true);
-
- location_completer (ignore, tracker, text, NULL);
-}
-
-/* Helper for expression_completer which recursively adds field and
- method names from TYPE, a struct or union type, to the OUTPUT
- list. */
-
-static void
-add_struct_fields (struct type *type, completion_list &output,
- const char *fieldname, int namelen)
-{
- int i;
- int computed_type_name = 0;
- const char *type_name = NULL;
-
- type = check_typedef (type);
- for (i = 0; i < type->num_fields (); ++i)
- {
- if (i < TYPE_N_BASECLASSES (type))
- add_struct_fields (TYPE_BASECLASS (type, i),
- output, fieldname, namelen);
- else if (type->field (i).name ())
- {
- if (type->field (i).name ()[0] != '\0')
- {
- if (! strncmp (type->field (i).name (),
- fieldname, namelen))
- output.emplace_back (xstrdup (type->field (i).name ()));
- }
- else if (type->field (i).type ()->code () == TYPE_CODE_UNION)
- {
- /* Recurse into anonymous unions. */
- add_struct_fields (type->field (i).type (),
- output, fieldname, namelen);
- }
- }
- }
-
- for (i = TYPE_NFN_FIELDS (type) - 1; i >= 0; --i)
- {
- const char *name = TYPE_FN_FIELDLIST_NAME (type, i);
-
- if (name && ! strncmp (name, fieldname, namelen))
- {
- if (!computed_type_name)
- {
- type_name = type->name ();
- computed_type_name = 1;
- }
- /* Omit constructors from the completion list. */
- if (!type_name || strcmp (type_name, name))
- output.emplace_back (xstrdup (name));
- }
- }
-}
-
-/* See completer.h. */
-
-void
-complete_expression (completion_tracker &tracker,
- const char *text, const char *word)
-{
- struct type *type = NULL;
- gdb::unique_xmalloc_ptr<char> fieldname;
- enum type_code code = TYPE_CODE_UNDEF;
-
- /* Perform a tentative parse of the expression, to see whether a
- field completion is required. */
- try
- {
- type = parse_expression_for_completion (text, &fieldname, &code);
- }
- catch (const gdb_exception_error &except)
- {
- return;
- }
-
- if (fieldname != nullptr && type)
- {
- for (;;)
- {
- type = check_typedef (type);
- if (!type->is_pointer_or_reference ())
- break;
- type = TYPE_TARGET_TYPE (type);
- }
-
- if (type->code () == TYPE_CODE_UNION
- || type->code () == TYPE_CODE_STRUCT)
- {
- completion_list result;
-
- add_struct_fields (type, result, fieldname.get (),
- strlen (fieldname.get ()));
- tracker.add_completions (std::move (result));
- return;
- }
- }
- else if (fieldname != nullptr && code != TYPE_CODE_UNDEF)
- {
- collect_symbol_completion_matches_type (tracker, fieldname.get (),
- fieldname.get (), code);
- return;
- }
-
- complete_files_symbols (tracker, text, word);
-}
-
-/* Complete on expressions. Often this means completing on symbol
- names, but some language parsers also have support for completing
- field names. */
-
-void
-expression_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- complete_expression (tracker, text, word);
-}
-
-/* See definition in completer.h. */
-
-void
-set_rl_completer_word_break_characters (const char *break_chars)
-{
- rl_completer_word_break_characters = (char *) break_chars;
-}
-
-/* Complete on symbols. */
-
-void
-symbol_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- collect_symbol_completion_matches (tracker, complete_symbol_mode::EXPRESSION,
- symbol_name_match_type::EXPRESSION,
- text, word);
-}
-
-/* Here are some useful test cases for completion. FIXME: These
- should be put in the test suite. They should be tested with both
- M-? and TAB.
-
- "show output-" "radix"
- "show output" "-radix"
- "p" ambiguous (commands starting with p--path, print, printf, etc.)
- "p " ambiguous (all symbols)
- "info t foo" no completions
- "info t " no completions
- "info t" ambiguous ("info target", "info terminal", etc.)
- "info ajksdlfk" no completions
- "info ajksdlfk " no completions
- "info" " "
- "info " ambiguous (all info commands)
- "p \"a" no completions (string constant)
- "p 'a" ambiguous (all symbols starting with a)
- "p b-a" ambiguous (all symbols starting with a)
- "p b-" ambiguous (all symbols)
- "file Make" "file" (word break hard to screw up here)
- "file ../gdb.stabs/we" "ird" (needs to not break word at slash)
- */
-
-enum complete_line_internal_reason
-{
- /* Preliminary phase, called by gdb_completion_word_break_characters
- function, is used to either:
-
- #1 - Determine the set of chars that are word delimiters
- depending on the current command in line_buffer.
-
- #2 - Manually advance RL_POINT to the "word break" point instead
- of letting readline do it (based on too-simple character
- matching).
-
- Simpler completers that just pass a brkchars array to readline
- (#1 above) must defer generating the completions to the main
- phase (below). No completion list should be generated in this
- phase.
-
- OTOH, completers that manually advance the word point(#2 above)
- must set "use_custom_word_point" in the tracker and generate
- their completion in this phase. Note that this is the convenient
- thing to do since they'll be parsing the input line anyway. */
- handle_brkchars,
-
- /* Main phase, called by complete_line function, is used to get the
- list of possible completions. */
- handle_completions,
-
- /* Special case when completing a 'help' command. In this case,
- once sub-command completions are exhausted, we simply return
- NULL. */
- handle_help,
-};
-
-/* Helper for complete_line_internal to simplify it. */
-
-static void
-complete_line_internal_normal_command (completion_tracker &tracker,
- const char *command, const char *word,
- const char *cmd_args,
- complete_line_internal_reason reason,
- struct cmd_list_element *c)
-{
- const char *p = cmd_args;
-
- if (c->completer == filename_completer)
- {
- /* Many commands which want to complete on file names accept
- several file names, as in "run foo bar >>baz". So we don't
- want to complete the entire text after the command, just the
- last word. To this end, we need to find the beginning of the
- file name by starting at `word' and going backwards. */
- for (p = word;
- p > command
- && strchr (gdb_completer_file_name_break_characters,
- p[-1]) == NULL;
- p--)
- ;
- }
-
- if (reason == handle_brkchars)
- {
- completer_handle_brkchars_ftype *brkchars_fn;
-
- if (c->completer_handle_brkchars != NULL)
- brkchars_fn = c->completer_handle_brkchars;
- else
- {
- brkchars_fn
- = (completer_handle_brkchars_func_for_completer
- (c->completer));
- }
-
- brkchars_fn (c, tracker, p, word);
- }
-
- if (reason != handle_brkchars && c->completer != NULL)
- (*c->completer) (c, tracker, p, word);
-}
-
-/* Internal function used to handle completions.
-
-
- TEXT is the caller's idea of the "word" we are looking at.
-
- LINE_BUFFER is available to be looked at; it contains the entire
- text of the line. POINT is the offset in that line of the cursor.
- You should pretend that the line ends at POINT.
-
- See complete_line_internal_reason for description of REASON. */
-
-static void
-complete_line_internal_1 (completion_tracker &tracker,
- const char *text,
- const char *line_buffer, int point,
- complete_line_internal_reason reason)
-{
- char *tmp_command;
- const char *p;
- int ignore_help_classes;
- /* Pointer within tmp_command which corresponds to text. */
- const char *word;
- struct cmd_list_element *c, *result_list;
-
- /* Choose the default set of word break characters to break
- completions. If we later find out that we are doing completions
- on command strings (as opposed to strings supplied by the
- individual command completer functions, which can be any string)
- then we will switch to the special word break set for command
- strings, which leaves out the '-' and '.' character used in some
- commands. */
- set_rl_completer_word_break_characters
- (current_language->word_break_characters ());
-
- /* Decide whether to complete on a list of gdb commands or on
- symbols. */
- tmp_command = (char *) alloca (point + 1);
- p = tmp_command;
-
- /* The help command should complete help aliases. */
- ignore_help_classes = reason != handle_help;
-
- strncpy (tmp_command, line_buffer, point);
- tmp_command[point] = '\0';
- if (reason == handle_brkchars)
- {
- gdb_assert (text == NULL);
- word = NULL;
- }
- else
- {
- /* Since text always contains some number of characters leading up
- to point, we can find the equivalent position in tmp_command
- by subtracting that many characters from the end of tmp_command. */
- word = tmp_command + point - strlen (text);
- }
-
- /* Move P up to the start of the command. */
- p = skip_spaces (p);
-
- if (*p == '\0')
- {
- /* An empty line is ambiguous; that is, it could be any
- command. */
- c = CMD_LIST_AMBIGUOUS;
- result_list = 0;
- }
- else
- c = lookup_cmd_1 (&p, cmdlist, &result_list, NULL, ignore_help_classes,
- true);
-
- /* Move p up to the next interesting thing. */
- while (*p == ' ' || *p == '\t')
- {
- p++;
- }
-
- tracker.advance_custom_word_point_by (p - tmp_command);
-
- if (!c)
- {
- /* It is an unrecognized command. So there are no
- possible completions. */
- }
- else if (c == CMD_LIST_AMBIGUOUS)
- {
- const char *q;
-
- /* lookup_cmd_1 advances p up to the first ambiguous thing, but
- doesn't advance over that thing itself. Do so now. */
- q = p;
- while (valid_cmd_char_p (*q))
- ++q;
- if (q != tmp_command + point)
- {
- /* There is something beyond the ambiguous
- command, so there are no possible completions. For
- example, "info t " or "info t foo" does not complete
- to anything, because "info t" can be "info target" or
- "info terminal". */
- }
- else
- {
- /* We're trying to complete on the command which was ambiguous.
- This we can deal with. */
- if (result_list)
- {
- if (reason != handle_brkchars)
- complete_on_cmdlist (*result_list->subcommands, tracker, p,
- word, ignore_help_classes);
- }
- else
- {
- if (reason != handle_brkchars)
- complete_on_cmdlist (cmdlist, tracker, p, word,
- ignore_help_classes);
- }
- /* Ensure that readline does the right thing with respect to
- inserting quotes. */
- set_rl_completer_word_break_characters
- (gdb_completer_command_word_break_characters);
- }
- }
- else
- {
- /* We've recognized a full command. */
-
- if (p == tmp_command + point)
- {
- /* There is no non-whitespace in the line beyond the
- command. */
-
- if (p[-1] == ' ' || p[-1] == '\t')
- {
- /* The command is followed by whitespace; we need to
- complete on whatever comes after command. */
- if (c->is_prefix ())
- {
- /* It is a prefix command; what comes after it is
- a subcommand (e.g. "info "). */
- if (reason != handle_brkchars)
- complete_on_cmdlist (*c->subcommands, tracker, p, word,
- ignore_help_classes);
-
- /* Ensure that readline does the right thing
- with respect to inserting quotes. */
- set_rl_completer_word_break_characters
- (gdb_completer_command_word_break_characters);
- }
- else if (reason == handle_help)
- ;
- else if (c->enums)
- {
- if (reason != handle_brkchars)
- complete_on_enum (tracker, c->enums, p, word);
- set_rl_completer_word_break_characters
- (gdb_completer_command_word_break_characters);
- }
- else
- {
- /* It is a normal command; what comes after it is
- completed by the command's completer function. */
- complete_line_internal_normal_command (tracker,
- tmp_command, word, p,
- reason, c);
- }
- }
- else
- {
- /* The command is not followed by whitespace; we need to
- complete on the command itself, e.g. "p" which is a
- command itself but also can complete to "print", "ptype"
- etc. */
- const char *q;
-
- /* Find the command we are completing on. */
- q = p;
- while (q > tmp_command)
- {
- if (valid_cmd_char_p (q[-1]))
- --q;
- else
- 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);
-
- /* Ensure that readline does the right thing
- with respect to inserting quotes. */
- set_rl_completer_word_break_characters
- (gdb_completer_command_word_break_characters);
- }
- }
- else if (reason == handle_help)
- ;
- else
- {
- /* There is non-whitespace beyond the command. */
-
- if (c->is_prefix () && !c->allow_unknown)
- {
- /* It is an unrecognized subcommand of a prefix command,
- e.g. "info adsfkdj". */
- }
- else if (c->enums)
- {
- if (reason != handle_brkchars)
- complete_on_enum (tracker, c->enums, p, word);
- }
- else
- {
- /* It is a normal command. */
- complete_line_internal_normal_command (tracker,
- tmp_command, word, p,
- reason, c);
- }
- }
- }
-}
-
-/* Wrapper around complete_line_internal_1 to handle
- MAX_COMPLETIONS_REACHED_ERROR. */
-
-static void
-complete_line_internal (completion_tracker &tracker,
- const char *text,
- const char *line_buffer, int point,
- complete_line_internal_reason reason)
-{
- try
- {
- complete_line_internal_1 (tracker, text, line_buffer, point, reason);
- }
- catch (const gdb_exception_error &except)
- {
- if (except.error != MAX_COMPLETIONS_REACHED_ERROR)
- throw;
- }
-}
-
-/* See completer.h. */
-
-int max_completions = 200;
-
-/* Initial size of the table. It automagically grows from here. */
-#define INITIAL_COMPLETION_HTAB_SIZE 200
-
-/* See completer.h. */
-
-completion_tracker::completion_tracker ()
-{
- discard_completions ();
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::discard_completions ()
-{
- xfree (m_lowest_common_denominator);
- m_lowest_common_denominator = NULL;
-
- m_lowest_common_denominator_unique = false;
- m_lowest_common_denominator_valid = false;
-
- m_entries_hash.reset (nullptr);
-
- /* A callback used by the hash table to compare new entries with existing
- entries. We can't use the standard htab_eq_string function here as the
- key to our hash is just a single string, while the values we store in
- the hash are a struct containing multiple strings. */
- static auto entry_eq_func
- = [] (const void *first, const void *second) -> int
- {
- /* The FIRST argument is the entry already in the hash table, and
- the SECOND argument is the new item being inserted. */
- const completion_hash_entry *entry
- = (const completion_hash_entry *) first;
- const char *name_str = (const char *) second;
-
- return entry->is_name_eq (name_str);
- };
-
- /* Callback used by the hash table to compute the hash value for an
- existing entry. This is needed when expanding the hash table. */
- static auto entry_hash_func
- = [] (const void *arg) -> hashval_t
- {
- const completion_hash_entry *entry
- = (const completion_hash_entry *) arg;
- return entry->hash_name ();
- };
-
- m_entries_hash.reset
- (htab_create_alloc (INITIAL_COMPLETION_HTAB_SIZE,
- entry_hash_func, entry_eq_func,
- htab_delete_entry<completion_hash_entry>,
- xcalloc, xfree));
-}
-
-/* See completer.h. */
-
-completion_tracker::~completion_tracker ()
-{
- xfree (m_lowest_common_denominator);
-}
-
-/* See completer.h. */
-
-bool
-completion_tracker::maybe_add_completion
- (gdb::unique_xmalloc_ptr<char> name,
- completion_match_for_lcd *match_for_lcd,
- const char *text, const char *word)
-{
- void **slot;
-
- if (max_completions == 0)
- return false;
-
- if (htab_elements (m_entries_hash.get ()) >= max_completions)
- return false;
-
- hashval_t hash = htab_hash_string (name.get ());
- slot = htab_find_slot_with_hash (m_entries_hash.get (), name.get (),
- hash, INSERT);
- if (*slot == HTAB_EMPTY_ENTRY)
- {
- const char *match_for_lcd_str = NULL;
-
- if (match_for_lcd != NULL)
- match_for_lcd_str = match_for_lcd->finish ();
-
- if (match_for_lcd_str == NULL)
- match_for_lcd_str = name.get ();
-
- gdb::unique_xmalloc_ptr<char> lcd
- = make_completion_match_str (match_for_lcd_str, text, word);
-
- size_t lcd_len = strlen (lcd.get ());
- *slot = new completion_hash_entry (std::move (name), std::move (lcd));
-
- m_lowest_common_denominator_valid = false;
- m_lowest_common_denominator_max_length
- = std::max (m_lowest_common_denominator_max_length, lcd_len);
- }
-
- return true;
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::add_completion (gdb::unique_xmalloc_ptr<char> name,
- completion_match_for_lcd *match_for_lcd,
- const char *text, const char *word)
-{
- if (!maybe_add_completion (std::move (name), match_for_lcd, text, word))
- throw_error (MAX_COMPLETIONS_REACHED_ERROR, _("Max completions reached."));
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::add_completions (completion_list &&list)
-{
- for (auto &candidate : list)
- add_completion (std::move (candidate));
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::remove_completion (const char *name)
-{
- hashval_t hash = htab_hash_string (name);
- if (htab_find_slot_with_hash (m_entries_hash.get (), name, hash, NO_INSERT)
- != NULL)
- {
- htab_remove_elt_with_hash (m_entries_hash.get (), name, hash);
- m_lowest_common_denominator_valid = false;
- }
-}
-
-/* Helper for the make_completion_match_str overloads. Returns NULL
- as an indication that we want MATCH_NAME exactly. It is up to the
- caller to xstrdup that string if desired. */
-
-static char *
-make_completion_match_str_1 (const char *match_name,
- const char *text, const char *word)
-{
- char *newobj;
-
- if (word == text)
- {
- /* Return NULL as an indication that we want MATCH_NAME
- exactly. */
- return NULL;
- }
- else if (word > text)
- {
- /* Return some portion of MATCH_NAME. */
- newobj = xstrdup (match_name + (word - text));
- }
- else
- {
- /* Return some of WORD plus MATCH_NAME. */
- size_t len = strlen (match_name);
- newobj = (char *) xmalloc (text - word + len + 1);
- memcpy (newobj, word, text - word);
- memcpy (newobj + (text - word), match_name, len + 1);
- }
-
- return newobj;
-}
-
-/* See completer.h. */
-
-gdb::unique_xmalloc_ptr<char>
-make_completion_match_str (const char *match_name,
- const char *text, const char *word)
-{
- char *newobj = make_completion_match_str_1 (match_name, text, word);
- if (newobj == NULL)
- newobj = xstrdup (match_name);
- return gdb::unique_xmalloc_ptr<char> (newobj);
-}
-
-/* See completer.h. */
-
-gdb::unique_xmalloc_ptr<char>
-make_completion_match_str (gdb::unique_xmalloc_ptr<char> &&match_name,
- const char *text, const char *word)
-{
- char *newobj = make_completion_match_str_1 (match_name.get (), text, word);
- if (newobj == NULL)
- return std::move (match_name);
- return gdb::unique_xmalloc_ptr<char> (newobj);
-}
-
-/* See complete.h. */
-
-completion_result
-complete (const char *line, char const **word, int *quote_char)
-{
- completion_tracker tracker_handle_brkchars;
- completion_tracker tracker_handle_completions;
- completion_tracker *tracker;
-
- /* The WORD should be set to the end of word to complete. We initialize
- to the completion point which is assumed to be at the end of LINE.
- This leaves WORD to be initialized to a sensible value in cases
- completion_find_completion_word() fails i.e., throws an exception.
- See bug 24587. */
- *word = line + strlen (line);
-
- try
- {
- *word = completion_find_completion_word (tracker_handle_brkchars,
- line, quote_char);
-
- /* Completers that provide a custom word point in the
- handle_brkchars phase also compute their completions then.
- Completers that leave the completion word handling to readline
- must be called twice. */
- if (tracker_handle_brkchars.use_custom_word_point ())
- tracker = &tracker_handle_brkchars;
- else
- {
- complete_line (tracker_handle_completions, *word, line, strlen (line));
- tracker = &tracker_handle_completions;
- }
- }
- catch (const gdb_exception &ex)
- {
- return {};
- }
-
- return tracker->build_completion_result (*word, *word - line, strlen (line));
-}
-
-
-/* Generate completions all at once. Does nothing if max_completions
- is 0. If max_completions is non-negative, this will collect at
- most max_completions strings.
-
- TEXT is the caller's idea of the "word" we are looking at.
-
- LINE_BUFFER is available to be looked at; it contains the entire
- text of the line.
-
- POINT is the offset in that line of the cursor. You
- should pretend that the line ends at POINT. */
-
-void
-complete_line (completion_tracker &tracker,
- const char *text, const char *line_buffer, int point)
-{
- if (max_completions == 0)
- return;
- complete_line_internal (tracker, text, line_buffer, point,
- handle_completions);
-}
-
-/* Complete on command names. Used by "help". */
-
-void
-command_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- complete_line_internal (tracker, word, text,
- strlen (text), handle_help);
-}
-
-/* The corresponding completer_handle_brkchars implementation. */
-
-static void
-command_completer_handle_brkchars (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- set_rl_completer_word_break_characters
- (gdb_completer_command_word_break_characters);
-}
-
-/* Complete on signals. */
-
-void
-signal_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- size_t len = strlen (word);
- int signum;
- const char *signame;
-
- for (signum = GDB_SIGNAL_FIRST; signum != GDB_SIGNAL_LAST; ++signum)
- {
- /* Can't handle this, so skip it. */
- if (signum == GDB_SIGNAL_0)
- continue;
-
- signame = gdb_signal_to_name ((enum gdb_signal) signum);
-
- /* Ignore the unknown signal case. */
- if (!signame || strcmp (signame, "?") == 0)
- continue;
-
- if (strncasecmp (signame, word, len) == 0)
- tracker.add_completion (make_unique_xstrdup (signame));
- }
-}
-
-/* Bit-flags for selecting what the register and/or register-group
- completer should complete on. */
-
-enum reg_completer_target
- {
- complete_register_names = 0x1,
- complete_reggroup_names = 0x2
- };
-DEF_ENUM_FLAGS_TYPE (enum reg_completer_target, reg_completer_targets);
-
-/* Complete register names and/or reggroup names based on the value passed
- in TARGETS. At least one bit in TARGETS must be set. */
-
-static void
-reg_or_group_completer_1 (completion_tracker &tracker,
- const char *text, const char *word,
- reg_completer_targets targets)
-{
- size_t len = strlen (word);
- struct gdbarch *gdbarch;
- const char *name;
-
- gdb_assert ((targets & (complete_register_names
- | complete_reggroup_names)) != 0);
- gdbarch = get_current_arch ();
-
- if ((targets & complete_register_names) != 0)
- {
- int i;
-
- for (i = 0;
- (name = user_reg_map_regnum_to_name (gdbarch, i)) != NULL;
- i++)
- {
- if (*name != '\0' && strncmp (word, name, len) == 0)
- tracker.add_completion (make_unique_xstrdup (name));
- }
- }
-
- if ((targets & complete_reggroup_names) != 0)
- {
- struct reggroup *group;
-
- for (group = reggroup_next (gdbarch, NULL);
- group != NULL;
- group = reggroup_next (gdbarch, group))
- {
- name = reggroup_name (group);
- if (strncmp (word, name, len) == 0)
- tracker.add_completion (make_unique_xstrdup (name));
- }
- }
-}
-
-/* Perform completion on register and reggroup names. */
-
-void
-reg_or_group_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- reg_or_group_completer_1 (tracker, text, word,
- (complete_register_names
- | complete_reggroup_names));
-}
-
-/* Perform completion on reggroup names. */
-
-void
-reggroup_completer (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- reg_or_group_completer_1 (tracker, text, word,
- complete_reggroup_names);
-}
-
-/* The default completer_handle_brkchars implementation. */
-
-static void
-default_completer_handle_brkchars (struct cmd_list_element *ignore,
- completion_tracker &tracker,
- const char *text, const char *word)
-{
- set_rl_completer_word_break_characters
- (current_language->word_break_characters ());
-}
-
-/* See definition in completer.h. */
-
-completer_handle_brkchars_ftype *
-completer_handle_brkchars_func_for_completer (completer_ftype *fn)
-{
- if (fn == filename_completer)
- return filename_completer_handle_brkchars;
-
- if (fn == location_completer)
- return location_completer_handle_brkchars;
-
- if (fn == command_completer)
- return command_completer_handle_brkchars;
-
- return default_completer_handle_brkchars;
-}
-
-/* Used as brkchars when we want to tell readline we have a custom
- word point. We do that by making our rl_completion_word_break_hook
- set RL_POINT to the desired word point, and return the character at
- the word break point as the break char. This is two bytes in order
- to fit one break character plus the terminating null. */
-static char gdb_custom_word_point_brkchars[2];
-
-/* Since rl_basic_quote_characters is not completer-specific, we save
- its original value here, in order to be able to restore it in
- gdb_rl_attempted_completion_function. */
-static const char *gdb_org_rl_basic_quote_characters = rl_basic_quote_characters;
-
-/* Get the list of chars that are considered as word breaks
- for the current command. */
-
-static char *
-gdb_completion_word_break_characters_throw ()
-{
- /* New completion starting. Get rid of the previous tracker and
- start afresh. */
- delete current_completion.tracker;
- current_completion.tracker = new completion_tracker ();
-
- completion_tracker &tracker = *current_completion.tracker;
-
- complete_line_internal (tracker, NULL, rl_line_buffer,
- rl_point, handle_brkchars);
-
- if (tracker.use_custom_word_point ())
- {
- 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;
-
- /* Clear this too, so that if we're completing a quoted string,
- readline doesn't consider the quote character a delimiter.
- If we didn't do this, readline would auto-complete {b
- 'fun<tab>} to {'b 'function()'}, i.e., add the terminating
- \', but, it wouldn't append the separator space either, which
- is not desirable. So instead we take care of appending the
- quote character to the LCD ourselves, in
- gdb_rl_attempted_completion_function. Since this global is
- not just completer-specific, we'll restore it back to the
- default in gdb_rl_attempted_completion_function. */
- rl_basic_quote_characters = NULL;
- }
-
- return (char *)rl_completer_word_break_characters;
-}
-
-char *
-gdb_completion_word_break_characters ()
-{
- /* New completion starting. */
- current_completion.aborted = false;
-
- try
- {
- return gdb_completion_word_break_characters_throw ();
- }
- catch (const gdb_exception &ex)
- {
- /* Set this to that gdb_rl_attempted_completion_function knows
- to abort early. */
- current_completion.aborted = true;
- }
-
- return NULL;
-}
-
-/* See completer.h. */
-
-const char *
-completion_find_completion_word (completion_tracker &tracker, const char *text,
- int *quote_char)
-{
- size_t point = strlen (text);
-
- complete_line_internal (tracker, NULL, text, point, handle_brkchars);
-
- if (tracker.use_custom_word_point ())
- {
- gdb_assert (tracker.custom_word_point () > 0);
- *quote_char = tracker.quote_char ();
- return text + tracker.custom_word_point ();
- }
-
- gdb_rl_completion_word_info info;
-
- info.word_break_characters = rl_completer_word_break_characters;
- info.quote_characters = gdb_completer_quote_characters;
- info.basic_quote_characters = rl_basic_quote_characters;
-
- return gdb_rl_find_completion_word (&info, quote_char, NULL, text);
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::recompute_lcd_visitor (completion_hash_entry *entry)
-{
- if (!m_lowest_common_denominator_valid)
- {
- /* This is the first lowest common denominator that we are
- considering, just copy it in. */
- strcpy (m_lowest_common_denominator, entry->get_lcd ());
- m_lowest_common_denominator_unique = true;
- m_lowest_common_denominator_valid = true;
- }
- else
- {
- /* Find the common denominator between the currently-known lowest
- common denominator and NEW_MATCH_UP. That becomes the new lowest
- common denominator. */
- size_t i;
- const char *new_match = entry->get_lcd ();
-
- for (i = 0;
- (new_match[i] != '\0'
- && new_match[i] == m_lowest_common_denominator[i]);
- i++)
- ;
- if (m_lowest_common_denominator[i] != new_match[i])
- {
- m_lowest_common_denominator[i] = '\0';
- m_lowest_common_denominator_unique = false;
- }
- }
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::recompute_lowest_common_denominator ()
-{
- /* We've already done this. */
- if (m_lowest_common_denominator_valid)
- return;
-
- /* Resize the storage to ensure we have enough space, the plus one gives
- us space for the trailing null terminator we will include. */
- m_lowest_common_denominator
- = (char *) xrealloc (m_lowest_common_denominator,
- m_lowest_common_denominator_max_length + 1);
-
- /* Callback used to visit each entry in the m_entries_hash. */
- auto visitor_func
- = [] (void **slot, void *info) -> int
- {
- completion_tracker *obj = (completion_tracker *) info;
- completion_hash_entry *entry = (completion_hash_entry *) *slot;
- obj->recompute_lcd_visitor (entry);
- return 1;
- };
-
- htab_traverse (m_entries_hash.get (), visitor_func, this);
- m_lowest_common_denominator_valid = true;
-}
-
-/* See completer.h. */
-
-void
-completion_tracker::advance_custom_word_point_by (int len)
-{
- m_custom_word_point += len;
-}
-
-/* Build a new C string that is a copy of LCD with the whitespace of
- ORIG/ORIG_LEN preserved.
-
- Say the user is completing a symbol name, with spaces, like:
-
- "foo ( i"
-
- and the resulting completion match is:
-
- "foo(int)"
-
- we want to end up with an input line like:
-
- "foo ( int)"
- ^^^^^^^ => text from LCD [1], whitespace from ORIG preserved.
- ^^ => new text from LCD
-
- [1] - We must take characters from the LCD instead of the original
- text, since some completions want to change upper/lowercase. E.g.:
-
- "handle sig<>"
-
- completes to:
-
- "handle SIG[QUIT|etc.]"
-*/
-
-static char *
-expand_preserving_ws (const char *orig, size_t orig_len,
- const char *lcd)
-{
- const char *p_orig = orig;
- const char *orig_end = orig + orig_len;
- const char *p_lcd = lcd;
- std::string res;
-
- while (p_orig < orig_end)
- {
- if (*p_orig == ' ')
- {
- while (p_orig < orig_end && *p_orig == ' ')
- res += *p_orig++;
- p_lcd = skip_spaces (p_lcd);
- }
- else
- {
- /* Take characters from the LCD instead of the original
- text, since some completions change upper/lowercase.
- E.g.:
- "handle sig<>"
- completes to:
- "handle SIG[QUIT|etc.]"
- */
- res += *p_lcd;
- p_orig++;
- p_lcd++;
- }
- }
-
- while (*p_lcd != '\0')
- res += *p_lcd++;
-
- return xstrdup (res.c_str ());
-}
-
-/* See completer.h. */
-
-completion_result
-completion_tracker::build_completion_result (const char *text,
- int start, int end)
-{
- size_t element_count = htab_elements (m_entries_hash.get ());
-
- if (element_count == 0)
- return {};
-
- /* +1 for the LCD, and +1 for NULL termination. */
- char **match_list = XNEWVEC (char *, 1 + element_count + 1);
-
- /* Build replacement word, based on the LCD. */
-
- recompute_lowest_common_denominator ();
- match_list[0]
- = expand_preserving_ws (text, end - start,
- m_lowest_common_denominator);
-
- if (m_lowest_common_denominator_unique)
- {
- /* We don't rely on readline appending the quote char as
- delimiter as then readline wouldn't append the ' ' after the
- completion. */
- char buf[2] = { (char) quote_char () };
-
- match_list[0] = reconcat (match_list[0], match_list[0],
- buf, (char *) NULL);
- match_list[1] = NULL;
-
- /* If the tracker wants to, or we already have a space at the
- end of the match, tell readline to skip appending
- another. */
- char *match = match_list[0];
- bool completion_suppress_append
- = (suppress_append_ws ()
- || (match[0] != '\0'
- && match[strlen (match) - 1] == ' '));
-
- return completion_result (match_list, 1, completion_suppress_append);
- }
- else
- {
- /* State object used while building the completion list. */
- struct list_builder
- {
- list_builder (char **ml)
- : match_list (ml),
- index (1)
- { /* Nothing. */ }
-
- /* The list we are filling. */
- char **match_list;
-
- /* The next index in the list to write to. */
- int index;
- };
- list_builder builder (match_list);
-
- /* Visit each entry in m_entries_hash and add it to the completion
- list, updating the builder state object. */
- auto func
- = [] (void **slot, void *info) -> int
- {
- completion_hash_entry *entry = (completion_hash_entry *) *slot;
- list_builder *state = (list_builder *) info;
-
- state->match_list[state->index] = entry->release_name ();
- state->index++;
- return 1;
- };
-
- /* Build the completion list and add a null at the end. */
- htab_traverse_noresize (m_entries_hash.get (), func, &builder);
- match_list[builder.index] = NULL;
-
- return completion_result (match_list, builder.index - 1, false);
- }
-}
-
-/* See completer.h */
-
-completion_result::completion_result ()
- : match_list (NULL), number_matches (0),
- completion_suppress_append (false)
-{}
-
-/* See completer.h */
-
-completion_result::completion_result (char **match_list_,
- size_t number_matches_,
- bool completion_suppress_append_)
- : match_list (match_list_),
- number_matches (number_matches_),
- completion_suppress_append (completion_suppress_append_)
-{}
-
-/* See completer.h */
-
-completion_result::~completion_result ()
-{
- reset_match_list ();
-}
-
-/* See completer.h */
-
-completion_result::completion_result (completion_result &&rhs) noexcept
- : match_list (rhs.match_list),
- number_matches (rhs.number_matches)
-{
- rhs.match_list = NULL;
- rhs.number_matches = 0;
-}
-
-/* See completer.h */
-
-char **
-completion_result::release_match_list ()
-{
- char **ret = match_list;
- match_list = NULL;
- return ret;
-}
-
-/* See completer.h */
-
-void
-completion_result::sort_match_list ()
-{
- if (number_matches > 1)
- {
- /* Element 0 is special (it's the common prefix), leave it
- be. */
- std::sort (&match_list[1],
- &match_list[number_matches + 1],
- compare_cstrings);
- }
-}
-
-/* See completer.h */
-
-void
-completion_result::reset_match_list ()
-{
- if (match_list != NULL)
- {
- for (char **p = match_list; *p != NULL; p++)
- xfree (*p);
- xfree (match_list);
- match_list = NULL;
- }
-}
-
-/* Helper for gdb_rl_attempted_completion_function, which does most of
- the work. This is called by readline to build the match list array
- and to determine the lowest common denominator. The real matches
- list starts at match[1], while match[0] is the slot holding
- readline's idea of the lowest common denominator of all matches,
- which is what readline replaces the completion "word" with.
-
- TEXT is the caller's idea of the "word" we are looking at, as
- computed in the handle_brkchars phase.
-
- START is the offset from RL_LINE_BUFFER where TEXT starts. END is
- the offset from RL_LINE_BUFFER where TEXT ends (i.e., where
- rl_point is).
-
- You should thus pretend that the line ends at END (relative to
- RL_LINE_BUFFER).
-
- RL_LINE_BUFFER contains the entire text of the line. RL_POINT is
- the offset in that line of the cursor. You should pretend that the
- line ends at POINT.
-
- Returns NULL if there are no completions. */
-
-static char **
-gdb_rl_attempted_completion_function_throw (const char *text, int start, int end)
-{
- /* Completers that provide a custom word point in the
- handle_brkchars phase also compute their completions then.
- Completers that leave the completion word handling to readline
- must be called twice. If rl_point (i.e., END) is at column 0,
- then readline skips the handle_brkchars phase, and so we create a
- tracker now in that case too. */
- if (end == 0 || !current_completion.tracker->use_custom_word_point ())
- {
- delete current_completion.tracker;
- current_completion.tracker = new completion_tracker ();
-
- complete_line (*current_completion.tracker, text,
- rl_line_buffer, rl_point);
- }
-
- completion_tracker &tracker = *current_completion.tracker;
-
- completion_result result
- = tracker.build_completion_result (text, start, end);
-
- rl_completion_suppress_append = result.completion_suppress_append;
- return result.release_match_list ();
-}
-
-/* Function installed as "rl_attempted_completion_function" readline
- hook. Wrapper around gdb_rl_attempted_completion_function_throw
- that catches C++ exceptions, which can't cross readline. */
-
-char **
-gdb_rl_attempted_completion_function (const char *text, int start, int end)
-{
- /* Restore globals that might have been tweaked in
- gdb_completion_word_break_characters. */
- rl_basic_quote_characters = gdb_org_rl_basic_quote_characters;
-
- /* If we end up returning NULL, either on error, or simple because
- there are no matches, inhibit readline's default filename
- completer. */
- rl_attempted_completion_over = 1;
-
- /* If the handle_brkchars phase was aborted, don't try
- completing. */
- if (current_completion.aborted)
- return NULL;
-
- try
- {
- return gdb_rl_attempted_completion_function_throw (text, start, end);
- }
- catch (const gdb_exception &ex)
- {
- }
-
- return NULL;
-}
-
-/* Skip over the possibly quoted word STR (as defined by the quote
- characters QUOTECHARS and the word break characters BREAKCHARS).
- Returns pointer to the location after the "word". If either
- QUOTECHARS or BREAKCHARS is NULL, use the same values used by the
- completer. */
-
-const char *
-skip_quoted_chars (const char *str, const char *quotechars,
- const char *breakchars)
-{
- char quote_char = '\0';
- const char *scan;
-
- if (quotechars == NULL)
- quotechars = gdb_completer_quote_characters;
-
- if (breakchars == NULL)
- breakchars = current_language->word_break_characters ();
-
- for (scan = str; *scan != '\0'; scan++)
- {
- if (quote_char != '\0')
- {
- /* Ignore everything until the matching close quote char. */
- if (*scan == quote_char)
- {
- /* Found matching close quote. */
- scan++;
- break;
- }
- }
- else if (strchr (quotechars, *scan))
- {
- /* Found start of a quoted string. */
- quote_char = *scan;
- }
- else if (strchr (breakchars, *scan))
- {
- break;
- }
- }
-
- return (scan);
-}
-
-/* Skip over the possibly quoted word STR (as defined by the quote
- characters and word break characters used by the completer).
- Returns pointer to the location after the "word". */
-
-const char *
-skip_quoted (const char *str)
-{
- return skip_quoted_chars (str, NULL, NULL);
-}
-
-/* Return a message indicating that the maximum number of completions
- has been reached and that there may be more. */
-
-const char *
-get_max_completions_reached_message (void)
-{
- return _("*** List may be truncated, max-completions reached. ***");
-}
-
-/* GDB replacement for rl_display_match_list.
- Readline doesn't provide a clean interface for TUI(curses).
- A hack previously used was to send readline's rl_outstream through a pipe
- and read it from the event loop. Bleah. IWBN if readline abstracted
- away all the necessary bits, and this is what this code does. It
- replicates the parts of readline we need and then adds an abstraction
- layer, currently implemented as struct match_list_displayer, so that both
- CLI and TUI can use it. We copy all this readline code to minimize
- GDB-specific mods to readline. Once this code performs as desired then
- we can submit it to the readline maintainers.
-
- N.B. A lot of the code is the way it is in order to minimize differences
- from readline's copy. */
-
-/* Not supported here. */
-#undef VISIBLE_STATS
-
-#if defined (HANDLE_MULTIBYTE)
-#define MB_INVALIDCH(x) ((x) == (size_t)-1 || (x) == (size_t)-2)
-#define MB_NULLWCH(x) ((x) == 0)
-#endif
-
-#define ELLIPSIS_LEN 3
-
-/* gdb version of readline/complete.c:get_y_or_n.
- 'y' -> returns 1, and 'n' -> returns 0.
- Also supported: space == 'y', RUBOUT == 'n', ctrl-g == start over.
- If FOR_PAGER is non-zero, then also supported are:
- NEWLINE or RETURN -> returns 2, and 'q' -> returns 0. */
-
-static int
-gdb_get_y_or_n (int for_pager, const struct match_list_displayer *displayer)
-{
- int c;
-
- for (;;)
- {
- RL_SETSTATE (RL_STATE_MOREINPUT);
- c = displayer->read_key (displayer);
- RL_UNSETSTATE (RL_STATE_MOREINPUT);
-
- if (c == 'y' || c == 'Y' || c == ' ')
- return 1;
- if (c == 'n' || c == 'N' || c == RUBOUT)
- return 0;
- if (c == ABORT_CHAR || c < 0)
- {
- /* Readline doesn't erase_entire_line here, but without it the
- --More-- prompt isn't erased and neither is the text entered
- thus far redisplayed. */
- displayer->erase_entire_line (displayer);
- /* Note: The arguments to rl_abort are ignored. */
- rl_abort (0, 0);
- }
- if (for_pager && (c == NEWLINE || c == RETURN))
- return 2;
- if (for_pager && (c == 'q' || c == 'Q'))
- return 0;
- displayer->beep (displayer);
- }
-}
-
-/* Pager function for tab-completion.
- This is based on readline/complete.c:_rl_internal_pager.
- LINES is the number of lines of output displayed thus far.
- Returns:
- -1 -> user pressed 'n' or equivalent,
- 0 -> user pressed 'y' or equivalent,
- N -> user pressed NEWLINE or equivalent and N is LINES - 1. */
-
-static int
-gdb_display_match_list_pager (int lines,
- const struct match_list_displayer *displayer)
-{
- int i;
-
- displayer->puts (displayer, "--More--");
- displayer->flush (displayer);
- i = gdb_get_y_or_n (1, displayer);
- displayer->erase_entire_line (displayer);
- if (i == 0)
- return -1;
- else if (i == 2)
- return (lines - 1);
- else
- return 0;
-}
-
-/* Return non-zero if FILENAME is a directory.
- Based on readline/complete.c:path_isdir. */
-
-static int
-gdb_path_isdir (const char *filename)
-{
- struct stat finfo;
-
- return (stat (filename, &finfo) == 0 && S_ISDIR (finfo.st_mode));
-}
-
-/* Return the portion of PATHNAME that should be output when listing
- possible completions. If we are hacking filename completion, we
- are only interested in the basename, the portion following the
- final slash. Otherwise, we return what we were passed. Since
- printing empty strings is not very informative, if we're doing
- filename completion, and the basename is the empty string, we look
- for the previous slash and return the portion following that. If
- there's no previous slash, we just return what we were passed.
-
- Based on readline/complete.c:printable_part. */
-
-static char *
-gdb_printable_part (char *pathname)
-{
- char *temp, *x;
-
- if (rl_filename_completion_desired == 0) /* don't need to do anything */
- return (pathname);
-
- temp = strrchr (pathname, '/');
-#if defined (__MSDOS__)
- if (temp == 0 && ISALPHA ((unsigned char)pathname[0]) && pathname[1] == ':')
- temp = pathname + 1;
-#endif
-
- if (temp == 0 || *temp == '\0')
- return (pathname);
- /* If the basename is NULL, we might have a pathname like '/usr/src/'.
- Look for a previous slash and, if one is found, return the portion
- following that slash. If there's no previous slash, just return the
- pathname we were passed. */
- else if (temp[1] == '\0')
- {
- for (x = temp - 1; x > pathname; x--)
- if (*x == '/')
- break;
- return ((*x == '/') ? x + 1 : pathname);
- }
- else
- return ++temp;
-}
-
-/* Compute width of STRING when displayed on screen by print_filename.
- Based on readline/complete.c:fnwidth. */
-
-static int
-gdb_fnwidth (const char *string)
-{
- int width, pos;
-#if defined (HANDLE_MULTIBYTE)
- mbstate_t ps;
- int left, w;
- size_t clen;
- wchar_t wc;
-
- left = strlen (string) + 1;
- memset (&ps, 0, sizeof (mbstate_t));
-#endif
-
- width = pos = 0;
- while (string[pos])
- {
- if (CTRL_CHAR (string[pos]) || string[pos] == RUBOUT)
- {
- width += 2;
- pos++;
- }
- else
- {
-#if defined (HANDLE_MULTIBYTE)
- clen = mbrtowc (&wc, string + pos, left - pos, &ps);
- if (MB_INVALIDCH (clen))
- {
- width++;
- pos++;
- memset (&ps, 0, sizeof (mbstate_t));
- }
- else if (MB_NULLWCH (clen))
- break;
- else
- {
- pos += clen;
- w = wcwidth (wc);
- width += (w >= 0) ? w : 1;
- }
-#else
- width++;
- pos++;
-#endif
- }
- }
-
- return width;
-}
-
-/* Print TO_PRINT, one matching completion.
- PREFIX_BYTES is number of common prefix bytes.
- Based on readline/complete.c:fnprint. */
-
-static int
-gdb_fnprint (const char *to_print, int prefix_bytes,
- const struct match_list_displayer *displayer)
-{
- int printed_len, w;
- const char *s;
-#if defined (HANDLE_MULTIBYTE)
- mbstate_t ps;
- const char *end;
- size_t tlen;
- int width;
- wchar_t wc;
-
- end = to_print + strlen (to_print) + 1;
- memset (&ps, 0, sizeof (mbstate_t));
-#endif
-
- printed_len = 0;
-
- /* Don't print only the ellipsis if the common prefix is one of the
- possible completions */
- if (to_print[prefix_bytes] == '\0')
- prefix_bytes = 0;
-
- if (prefix_bytes)
- {
- char ellipsis;
-
- ellipsis = (to_print[prefix_bytes] == '.') ? '_' : '.';
- for (w = 0; w < ELLIPSIS_LEN; w++)
- displayer->putch (displayer, ellipsis);
- printed_len = ELLIPSIS_LEN;
- }
-
- s = to_print + prefix_bytes;
- while (*s)
- {
- if (CTRL_CHAR (*s))
- {
- displayer->putch (displayer, '^');
- displayer->putch (displayer, UNCTRL (*s));
- printed_len += 2;
- s++;
-#if defined (HANDLE_MULTIBYTE)
- memset (&ps, 0, sizeof (mbstate_t));
-#endif
- }
- else if (*s == RUBOUT)
- {
- displayer->putch (displayer, '^');
- displayer->putch (displayer, '?');
- printed_len += 2;
- s++;
-#if defined (HANDLE_MULTIBYTE)
- memset (&ps, 0, sizeof (mbstate_t));
-#endif
- }
- else
- {
-#if defined (HANDLE_MULTIBYTE)
- tlen = mbrtowc (&wc, s, end - s, &ps);
- if (MB_INVALIDCH (tlen))
- {
- tlen = 1;
- width = 1;
- memset (&ps, 0, sizeof (mbstate_t));
- }
- else if (MB_NULLWCH (tlen))
- break;
- else
- {
- w = wcwidth (wc);
- width = (w >= 0) ? w : 1;
- }
- for (w = 0; w < tlen; ++w)
- displayer->putch (displayer, s[w]);
- s += tlen;
- printed_len += width;
-#else
- displayer->putch (displayer, *s);
- s++;
- printed_len++;
-#endif
- }
- }
-
- return printed_len;
-}
-
-/* Output TO_PRINT to rl_outstream. If VISIBLE_STATS is defined and we
- are using it, check for and output a single character for `special'
- filenames. Return the number of characters we output.
- Based on readline/complete.c:print_filename. */
-
-static int
-gdb_print_filename (char *to_print, char *full_pathname, int prefix_bytes,
- const struct match_list_displayer *displayer)
-{
- int printed_len, extension_char, slen, tlen;
- char *s, c, *new_full_pathname;
- const char *dn;
- extern int _rl_complete_mark_directories;
-
- extension_char = 0;
- printed_len = gdb_fnprint (to_print, prefix_bytes, displayer);
-
-#if defined (VISIBLE_STATS)
- if (rl_filename_completion_desired && (rl_visible_stats || _rl_complete_mark_directories))
-#else
- if (rl_filename_completion_desired && _rl_complete_mark_directories)
-#endif
- {
- /* If to_print != full_pathname, to_print is the basename of the
- path passed. In this case, we try to expand the directory
- name before checking for the stat character. */
- if (to_print != full_pathname)
- {
- /* Terminate the directory name. */
- c = to_print[-1];
- to_print[-1] = '\0';
-
- /* If setting the last slash in full_pathname to a NUL results in
- full_pathname being the empty string, we are trying to complete
- files in the root directory. If we pass a null string to the
- bash directory completion hook, for example, it will expand it
- to the current directory. We just want the `/'. */
- if (full_pathname == 0 || *full_pathname == 0)
- dn = "/";
- else if (full_pathname[0] != '/')
- dn = full_pathname;
- else if (full_pathname[1] == 0)
- dn = "//"; /* restore trailing slash to `//' */
- else if (full_pathname[1] == '/' && full_pathname[2] == 0)
- dn = "/"; /* don't turn /// into // */
- else
- dn = full_pathname;
- s = tilde_expand (dn);
- if (rl_directory_completion_hook)
- (*rl_directory_completion_hook) (&s);
-
- slen = strlen (s);
- tlen = strlen (to_print);
- new_full_pathname = (char *)xmalloc (slen + tlen + 2);
- strcpy (new_full_pathname, s);
- if (s[slen - 1] == '/')
- slen--;
- else
- new_full_pathname[slen] = '/';
- new_full_pathname[slen] = '/';
- strcpy (new_full_pathname + slen + 1, to_print);
-
-#if defined (VISIBLE_STATS)
- if (rl_visible_stats)
- extension_char = stat_char (new_full_pathname);
- else
-#endif
- if (gdb_path_isdir (new_full_pathname))
- extension_char = '/';
-
- xfree (new_full_pathname);
- to_print[-1] = c;
- }
- else
- {
- s = tilde_expand (full_pathname);
-#if defined (VISIBLE_STATS)
- if (rl_visible_stats)
- extension_char = stat_char (s);
- else
-#endif
- if (gdb_path_isdir (s))
- extension_char = '/';
- }
-
- xfree (s);
- if (extension_char)
- {
- displayer->putch (displayer, extension_char);
- printed_len++;
- }
- }
-
- return printed_len;
-}
-
-/* GDB version of readline/complete.c:complete_get_screenwidth. */
-
-static int
-gdb_complete_get_screenwidth (const struct match_list_displayer *displayer)
-{
- /* Readline has other stuff here which it's not clear we need. */
- return displayer->width;
-}
-
-extern int _rl_completion_prefix_display_length;
-extern int _rl_print_completions_horizontally;
-
-EXTERN_C int _rl_qsort_string_compare (const void *, const void *);
-typedef int QSFUNC (const void *, const void *);
-
-/* GDB version of readline/complete.c:rl_display_match_list.
- See gdb_display_match_list for a description of MATCHES, LEN, MAX.
- Returns non-zero if all matches are displayed. */
-
-static int
-gdb_display_match_list_1 (char **matches, int len, int max,
- const struct match_list_displayer *displayer)
-{
- int count, limit, printed_len, lines, cols;
- int i, j, k, l, common_length, sind;
- char *temp, *t;
- int page_completions = displayer->height != INT_MAX && pagination_enabled;
-
- /* Find the length of the prefix common to all items: length as displayed
- characters (common_length) and as a byte index into the matches (sind) */
- common_length = sind = 0;
- if (_rl_completion_prefix_display_length > 0)
- {
- t = gdb_printable_part (matches[0]);
- temp = strrchr (t, '/');
- common_length = temp ? gdb_fnwidth (temp) : gdb_fnwidth (t);
- sind = temp ? strlen (temp) : strlen (t);
-
- if (common_length > _rl_completion_prefix_display_length && common_length > ELLIPSIS_LEN)
- max -= common_length - ELLIPSIS_LEN;
- else
- common_length = sind = 0;
- }
-
- /* How many items of MAX length can we fit in the screen window? */
- cols = gdb_complete_get_screenwidth (displayer);
- max += 2;
- limit = cols / max;
- if (limit != 1 && (limit * max == cols))
- limit--;
-
- /* If cols == 0, limit will end up -1 */
- if (cols < displayer->width && limit < 0)
- limit = 1;
-
- /* Avoid a possible floating exception. If max > cols,
- limit will be 0 and a divide-by-zero fault will result. */
- if (limit == 0)
- limit = 1;
-
- /* How many iterations of the printing loop? */
- count = (len + (limit - 1)) / limit;
-
- /* Watch out for special case. If LEN is less than LIMIT, then
- just do the inner printing loop.
- 0 < len <= limit implies count = 1. */
-
- /* Sort the items if they are not already sorted. */
- if (rl_ignore_completion_duplicates == 0 && rl_sort_completion_matches)
- qsort (matches + 1, len, sizeof (char *), (QSFUNC *)_rl_qsort_string_compare);
-
- displayer->crlf (displayer);
-
- lines = 0;
- if (_rl_print_completions_horizontally == 0)
- {
- /* Print the sorted items, up-and-down alphabetically, like ls. */
- for (i = 1; i <= count; i++)
- {
- for (j = 0, l = i; j < limit; j++)
- {
- if (l > len || matches[l] == 0)
- break;
- else
- {
- temp = gdb_printable_part (matches[l]);
- printed_len = gdb_print_filename (temp, matches[l], sind,
- displayer);
-
- if (j + 1 < limit)
- for (k = 0; k < max - printed_len; k++)
- displayer->putch (displayer, ' ');
- }
- l += count;
- }
- displayer->crlf (displayer);
- lines++;
- if (page_completions && lines >= (displayer->height - 1) && i < count)
- {
- lines = gdb_display_match_list_pager (lines, displayer);
- if (lines < 0)
- return 0;
- }
- }
- }
- else
- {
- /* Print the sorted items, across alphabetically, like ls -x. */
- for (i = 1; matches[i]; i++)
- {
- temp = gdb_printable_part (matches[i]);
- printed_len = gdb_print_filename (temp, matches[i], sind, displayer);
- /* Have we reached the end of this line? */
- if (matches[i+1])
- {
- if (i && (limit > 1) && (i % limit) == 0)
- {
- displayer->crlf (displayer);
- lines++;
- if (page_completions && lines >= displayer->height - 1)
- {
- lines = gdb_display_match_list_pager (lines, displayer);
- if (lines < 0)
- return 0;
- }
- }
- else
- for (k = 0; k < max - printed_len; k++)
- displayer->putch (displayer, ' ');
- }
- }
- displayer->crlf (displayer);
- }
-
- return 1;
-}
-
-/* Utility for displaying completion list matches, used by both CLI and TUI.
-
- MATCHES is the list of strings, in argv format, LEN is the number of
- strings in MATCHES, and MAX is the length of the longest string in
- MATCHES. */
-
-void
-gdb_display_match_list (char **matches, int len, int max,
- const struct match_list_displayer *displayer)
-{
- /* Readline will never call this if complete_line returned NULL. */
- gdb_assert (max_completions != 0);
-
- /* complete_line will never return more than this. */
- if (max_completions > 0)
- gdb_assert (len <= max_completions);
-
- if (rl_completion_query_items > 0 && len >= rl_completion_query_items)
- {
- char msg[100];
-
- /* We can't use *query here because they wait for <RET> which is
- wrong here. This follows the readline version as closely as possible
- for compatibility's sake. See readline/complete.c. */
-
- displayer->crlf (displayer);
-
- xsnprintf (msg, sizeof (msg),
- "Display all %d possibilities? (y or n)", len);
- displayer->puts (displayer, msg);
- displayer->flush (displayer);
-
- if (gdb_get_y_or_n (0, displayer) == 0)
- {
- displayer->crlf (displayer);
- return;
- }
- }
-
- if (gdb_display_match_list_1 (matches, len, max, displayer))
- {
- /* Note: MAX_COMPLETIONS may be -1 or zero, but LEN is always > 0. */
- if (len == max_completions)
- {
- /* The maximum number of completions has been reached. Warn the user
- that there may be more. */
- const char *message = get_max_completions_reached_message ();
-
- displayer->puts (displayer, message);
- displayer->crlf (displayer);
- }
- }
-}
-
-void _initialize_completer ();
-void
-_initialize_completer ()
-{
- add_setshow_zuinteger_unlimited_cmd ("max-completions", no_class,
- &max_completions, _("\
-Set maximum number of completion candidates."), _("\
-Show maximum number of completion candidates."), _("\
-Use this to limit the number of candidates considered\n\
-during completion. Specifying \"unlimited\" or -1\n\
-disables limiting. Note that setting either no limit or\n\
-a very large limit can make completion slow."),
- NULL, NULL, &setlist, &showlist);
-}
Index: create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb
===================================================================
--- create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb (revision 384)
+++ create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb (nonexistent)
Property changes on: create-12.1-compiler-permissive-patch/gdb-12.1-new/gdb
___________________________________________________________________
Deleted: svn:ignore
## -1,73 +0,0 ##
-
-# install dir
-dist
-
-# Target build dirs
-.a1x-newlib
-.a2x-newlib
-.at91sam7s-newlib
-
-.build-machine
-
-.a1x-glibc
-.a2x-glibc
-.h3-glibc
-.h5-glibc
-.i586-glibc
-.i686-glibc
-.imx6-glibc
-.jz47xx-glibc
-.makefile
-.am335x-glibc
-.omap543x-glibc
-.p5600-glibc
-.power8-glibc
-.power8le-glibc
-.power9-glibc
-.power9le-glibc
-.m1000-glibc
-.riscv64-glibc
-.rk328x-glibc
-.rk33xx-glibc
-.rk339x-glibc
-.s8xx-glibc
-.s9xx-glibc
-.x86_64-glibc
-
-# Hidden files (each file)
-.makefile
-.dist
-.rootfs
-
-# src & hw requires
-.src_requires
-.src_requires_depend
-.requires
-.requires_depend
-
-# Tarballs
-*.gz
-*.bz2
-*.lz
-*.xz
-*.tgz
-*.txz
-
-# Signatures
-*.asc
-*.sig
-*.sign
-*.sha1sum
-
-# Patches
-*.patch
-
-# Descriptions
-*.dsc
-*.txt
-
-# Default linux config files
-*.defconfig
-
-# backup copies
-*~
Index: create-12.1-compiler-permissive-patch/gdb-12.1-new
===================================================================
--- create-12.1-compiler-permissive-patch/gdb-12.1-new (revision 384)
+++ create-12.1-compiler-permissive-patch/gdb-12.1-new (nonexistent)
Property changes on: create-12.1-compiler-permissive-patch/gdb-12.1-new
___________________________________________________________________
Deleted: svn:ignore
## -1,73 +0,0 ##
-
-# install dir
-dist
-
-# Target build dirs
-.a1x-newlib
-.a2x-newlib
-.at91sam7s-newlib
-
-.build-machine
-
-.a1x-glibc
-.a2x-glibc
-.h3-glibc
-.h5-glibc
-.i586-glibc
-.i686-glibc
-.imx6-glibc
-.jz47xx-glibc
-.makefile
-.am335x-glibc
-.omap543x-glibc
-.p5600-glibc
-.power8-glibc
-.power8le-glibc
-.power9-glibc
-.power9le-glibc
-.m1000-glibc
-.riscv64-glibc
-.rk328x-glibc
-.rk33xx-glibc
-.rk339x-glibc
-.s8xx-glibc
-.s9xx-glibc
-.x86_64-glibc
-
-# Hidden files (each file)
-.makefile
-.dist
-.rootfs
-
-# src & hw requires
-.src_requires
-.src_requires_depend
-.requires
-.requires_depend
-
-# Tarballs
-*.gz
-*.bz2
-*.lz
-*.xz
-*.tgz
-*.txz
-
-# Signatures
-*.asc
-*.sig
-*.sign
-*.sha1sum
-
-# Patches
-*.patch
-
-# Descriptions
-*.dsc
-*.txt
-
-# Default linux config files
-*.defconfig
-
-# backup copies
-*~
Index: create-12.1-compiler-permissive-patch
===================================================================
--- create-12.1-compiler-permissive-patch (revision 384)
+++ create-12.1-compiler-permissive-patch (nonexistent)
Property changes on: create-12.1-compiler-permissive-patch
___________________________________________________________________
Deleted: svn:ignore
## -1,73 +0,0 ##
-
-# install dir
-dist
-
-# Target build dirs
-.a1x-newlib
-.a2x-newlib
-.at91sam7s-newlib
-
-.build-machine
-
-.a1x-glibc
-.a2x-glibc
-.h3-glibc
-.h5-glibc
-.i586-glibc
-.i686-glibc
-.imx6-glibc
-.jz47xx-glibc
-.makefile
-.am335x-glibc
-.omap543x-glibc
-.p5600-glibc
-.power8-glibc
-.power8le-glibc
-.power9-glibc
-.power9le-glibc
-.m1000-glibc
-.riscv64-glibc
-.rk328x-glibc
-.rk33xx-glibc
-.rk339x-glibc
-.s8xx-glibc
-.s9xx-glibc
-.x86_64-glibc
-
-# Hidden files (each file)
-.makefile
-.dist
-.rootfs
-
-# src & hw requires
-.src_requires
-.src_requires_depend
-.requires
-.requires_depend
-
-# Tarballs
-*.gz
-*.bz2
-*.lz
-*.xz
-*.tgz
-*.txz
-
-# Signatures
-*.asc
-*.sig
-*.sign
-*.sha1sum
-
-# Patches
-*.patch
-
-# Descriptions
-*.dsc
-*.txt
-
-# Default linux config files
-*.defconfig
-
-# backup copies
-*~
Index: Makefile
===================================================================
--- Makefile (revision 384)
+++ Makefile (revision 385)
@@ -7,7 +7,7 @@
url = $(DOWNLOAD_SERVER)/sources/GNU/gdb
-versions = 12.1
+versions = 13.2
pkgname = gdb
suffix = tar.xz
@@ -14,14 +14,10 @@
tarballs = $(addsuffix .$(suffix), $(addprefix $(pkgname)-, $(versions)))
sha1s = $(addsuffix .sha1sum, $(tarballs))
-patches = $(CURDIR)/patches/gdb-12.1-compiler-permissive.patch
-.NOTPARALLEL: $(patches)
+BUILD_TARGETS = $(tarballs) $(sha1s)
-BUILD_TARGETS = $(tarballs) $(sha1s) $(patches)
-
-
include ../../../build-system/core.mk
@@ -47,10 +43,5 @@
fi ; \
done
-$(patches): $(sha1s)
- @echo -e "\n======= Create Patches =======\n" ; \
- ( cd create-12.1-compiler-permissive-patch ; ./create.patch.sh ) ; \
- echo -e "\n"
-
download_clean:
- @rm -f $(tarballs) $(sha1s) $(patches)
+ @rm -f $(tarballs) $(sha1s)
Radix cross Linux
The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines
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