static void set_rl_completer_word_break_characters (const char *break_chars);
+static bool gdb_path_isdir (const char *filename);
+
/* See completer.h. */
class completion_tracker::completion_hash_entry
return strdup (str.c_str ());
}
+/* The function is used to update the completion word MATCH before
+ displaying it to the user in the 'complete' command output. This
+ function is only used for formatting filename or directory names.
+
+ This function checks to see if the completion word MATCH is a directory,
+ in which case a trailing "/" (forward-slash) is added, otherwise
+ QUOTE_CHAR is added as a trailing quote.
+
+ Return the updated completion word as a string. */
+
+static std::string
+filename_match_formatter (const char *match, char quote_char)
+{
+ std::string result (match);
+ if (gdb_path_isdir (gdb_tilde_expand (match).c_str ()))
+ result += "/";
+ else
+ result += quote_char;
+
+ return result;
+}
+
/* Generate filename completions of WORD, storing the completions into
TRACKER. This is used for generating completions for commands that
only accept unquoted filenames as well as for commands that accept
filename_completer_generate_completions (completion_tracker &tracker,
const char *word)
{
+ tracker.set_match_format_func (filename_match_formatter);
+
int subsequent_name = 0;
while (1)
{
if (p[strlen (p) - 1] == '~')
continue;
- /* Readline appends a trailing '/' if the completion is a
- directory. If this completion request originated from outside
- readline (e.g. GDB's 'complete' command), then we append the
- trailing '/' ourselves now. */
- if (!tracker.from_readline ())
- {
- std::string expanded = gdb_tilde_expand (p_rl);
- struct stat finfo;
- const bool isdir = (stat (expanded.c_str (), &finfo) == 0
- && S_ISDIR (finfo.st_mode));
- if (isdir)
- p_rl.reset (concat (p_rl.get (), "/", nullptr));
- }
-
tracker.add_completion
(make_completion_match_str (std::move (p_rl), word, word));
}
/* Initial size of the table. It automagically grows from here. */
#define INITIAL_COMPLETION_HTAB_SIZE 200
+/* The function is used to update the completion word MATCH before
+ displaying it to the user in the 'complete' command output. This
+ default function is used in all cases except those where a completion
+ function overrides this function by calling set_match_format_func.
+
+ This function returns MATCH with QUOTE_CHAR appended. If QUOTE_CHAR is
+ the null-character then the returned string will just contain MATCH. */
+
+static std::string
+default_match_formatter (const char *match, char quote_char)
+{
+ return std::string (match) + quote_char;
+}
+
/* See completer.h. */
completion_tracker::completion_tracker (bool from_readline)
- : m_from_readline (from_readline)
+ : m_from_readline (from_readline),
+ m_match_format_func (default_match_formatter)
{
discard_completions ();
}
match_list[1] = nullptr;
- return completion_result (match_list, 1, completion_suppress_append);
+ return completion_result (match_list, 1, completion_suppress_append,
+ m_match_format_func);
}
else
{
htab_traverse_noresize (m_entries_hash.get (), func, &builder);
match_list[builder.index] = NULL;
- return completion_result (match_list, builder.index - 1, false);
+ return completion_result (match_list, builder.index - 1, false,
+ m_match_format_func);
}
}
completion_result::completion_result ()
: match_list (NULL), number_matches (0),
- completion_suppress_append (false)
+ completion_suppress_append (false),
+ m_match_formatter (default_match_formatter)
{}
/* See completer.h */
completion_result::completion_result (char **match_list_,
size_t number_matches_,
- bool completion_suppress_append_)
+ bool completion_suppress_append_,
+ match_format_func_t match_formatter_)
: match_list (match_list_),
number_matches (number_matches_),
- completion_suppress_append (completion_suppress_append_)
-{}
+ completion_suppress_append (completion_suppress_append_),
+ m_match_formatter (match_formatter_)
+{
+ gdb_assert (m_match_formatter != nullptr);
+}
/* See completer.h */
completion_result::completion_result (completion_result &&rhs) noexcept
: match_list (rhs.match_list),
- number_matches (rhs.number_matches)
+ number_matches (rhs.number_matches),
+ m_match_formatter (rhs.m_match_formatter)
{
rhs.match_list = NULL;
rhs.number_matches = 0;
+ rhs.m_match_formatter = default_match_formatter;
}
/* See completer.h */
{
this->sort_match_list ();
- char buf[2] = { (char) quote_char, '\0' };
size_t off = this->number_matches == 1 ? 0 : 1;
for (size_t i = 0; i < this->number_matches; i++)
- printf_unfiltered ("%s%s%s\n", prefix.c_str (),
- this->match_list[i + off], buf);
+ {
+ gdb_assert (this->m_match_formatter != nullptr);
+ std::string formatted_match
+ = this->m_match_formatter (this->match_list[i + off],
+ (char) quote_char);
+
+ printf_unfiltered ("%s%s\n", prefix.c_str (),
+ formatted_match.c_str ());
+ }
if (this->number_matches == max_completions)
{
return 0;
}
-/* Return non-zero if FILENAME is a directory.
+/* Return true if FILENAME is a directory.
Based on readline/complete.c:path_isdir. */
-static int
+static bool
gdb_path_isdir (const char *filename)
{
struct stat finfo;
struct completion_result
{
+ /* The type of a function that is used to format completion results when
+ using the 'complete' command. MATCH is the completion word to be
+ printed, and QUOTE_CHAR is a trailing quote character to (possibly)
+ add at the end of MATCH. QUOTE_CHAR can be the null-character in
+ which case no trailing quote should be added.
+
+ Return the possibly modified completion match word which should be
+ presented to the user. */
+ using match_format_func_t = std::string (*) (const char *match,
+ char quote_char);
+
/* Create an empty result. */
completion_result ();
/* Create a result. */
completion_result (char **match_list, size_t number_matches,
- bool completion_suppress_append);
+ bool completion_suppress_append,
+ match_format_func_t match_format_func);
/* Destroy a result. */
~completion_result ();
completions, otherwise, each line of output consists of PREFIX
followed by one of the possible completion words.
- The QUOTE_CHAR is appended after each possible completion word and
- should be the quote character that appears before the completion word,
- or the null-character if there is no quote before the completion
- word. */
+ The QUOTE_CHAR is usually appended after each possible completion
+ word and should be the quote character that appears before the
+ completion word, or the null-character if there is no quote before
+ the completion word.
+
+ The QUOTE_CHAR is not always appended to the completion output. For
+ example, filename completions will not append QUOTE_CHAR if the
+ completion is a directory name. This is all handled by calling this
+ function. */
void print_matches (const std::string &prefix, const char *word,
int quote_char);
/* Whether readline should suppress appending a whitespace, when
there's only one possible completion. */
bool completion_suppress_append;
+
+private:
+ /* A function which formats a single completion match ready for display
+ as part of the 'complete' command output. Different completion
+ functions can set different formatter functions. */
+ match_format_func_t m_match_formatter;
};
/* Object used by completers to build a completion match list to hand
bool from_readline () const
{ return m_from_readline; }
+ /* Set the function used to format the completion word before displaying
+ it to the user to F, this is used by the 'complete' command. */
+ void set_match_format_func (completion_result::match_format_func_t f)
+ {
+ gdb_assert (f != nullptr);
+ m_match_format_func = f;
+ }
+
private:
/* The type that we place into the m_entries_hash hash table. */
interactively. The 'complete' command is a way to generate completions
not to be displayed by readline. */
bool m_from_readline;
+
+ /* The function used to format the completion word before it is printed
+ in the 'complete' command output. */
+ completion_result::match_format_func_t m_match_format_func;
};
/* Return a string to hand off to readline as a completion match
return $root
}
+# This proc started as a copy of test_gdb_complete_multiple, however, this
+# version does some extra work. See the original test_gdb_complete_multiple
+# for a description of all the arguments.
+#
+# When using the 'complete' command with filenames, GDB will add a trailing
+# quote for filenames, and a trailing "/" for directory names. As the
+# trailing "/" is also added in the tab-completion output the
+# COMPLETION_LIST will include the "/" character, but the trailing quote is
+# only added when using the 'complete' command.
+#
+# Pass the trailing quote will be passed as END_QUOTE_CHAR, this proc will
+# run the tab completion test, and will then add the trailing quote to those
+# entries in COMPLETION_LIST that don't have a trailing "/" before running
+# the 'complete' command test.
+proc test_gdb_complete_filename_multiple {
+ cmd_prefix completion_word add_completed_line completion_list
+ {start_quote_char ""} {end_quote_char ""} {max_completions false}
+ {testname ""}
+} {
+ if { [readline_is_used] } {
+ test_gdb_complete_tab_multiple "$cmd_prefix$completion_word" \
+ $add_completed_line $completion_list $max_completions $testname
+ }
+
+ if { $start_quote_char eq "" && $end_quote_char ne "" } {
+ set updated_completion_list {}
+
+ foreach entry $completion_list {
+ if {[string range $entry end end] ne "/"} {
+ set entry $entry$end_quote_char
+ }
+ lappend updated_completion_list $entry
+ }
+
+ set completion_list $updated_completion_list
+ set end_quote_char ""
+ }
+
+ test_gdb_complete_cmd_multiple $cmd_prefix $completion_word \
+ $completion_list $start_quote_char $end_quote_char $max_completions \
+ $testname
+}
+
# Run filename completetion tests for those command that accept quoting and
# escaping of the filename argument.
#
test_gdb_complete_none "$cmd ${qc}${root}/xx" \
"expand a non-existent filename"
- # The following test is split into separate cmd and tab calls
- # so we can xfail the cmd version. The cmd version will add a
- # closing quote, it shouldn't be doing this. This will be
- # fixed in a later commit.
- if { $qc ne "" } {
- setup_xfail "*-*-*"
- }
- test_gdb_complete_cmd_unique "$cmd ${qc}${root}/a" \
- "$cmd ${qc}${root}/aaa/" \
+ test_gdb_complete_unique "$cmd ${qc}${root}/a" \
+ "$cmd ${qc}${root}/aaa/" "" false \
"expand a unique directory name"
- if { [readline_is_used] } {
- test_gdb_complete_tab_unique "$cmd ${qc}${root}/a" \
- "$cmd ${qc}${root}/aaa/" "" \
- "expand a unique directory name"
- }
-
test_gdb_complete_unique "$cmd ${qc}${root}/cc2" \
"$cmd ${qc}${root}/cc2${qc}" " " false \
"expand a unique filename"
- test_gdb_complete_multiple "$cmd ${qc}${root}/" \
+ test_gdb_complete_filename_multiple "$cmd ${qc}${root}/" \
"b" "b" {
"bb1/"
"bb2/"
} "" "${qc}" false \
"expand multiple directory names"
- test_gdb_complete_multiple "$cmd ${qc}${root}/" \
+ test_gdb_complete_filename_multiple "$cmd ${qc}${root}/" \
"c" "c" {
"cc1/"
"cc2"
if { $qc ne "" } {
set sp " "
- test_gdb_complete_multiple "$cmd ${qc}${root}/aaa/" \
+ test_gdb_complete_filename_multiple "$cmd ${qc}${root}/aaa/" \
"a" "a${sp}" {
"aa bb"
"aa cc"
} "" "${qc}" false \
"expand filenames containing spaces"
- test_gdb_complete_multiple "$cmd ${qc}${root}/bb1/" \
+ test_gdb_complete_filename_multiple "$cmd ${qc}${root}/bb1/" \
"a" "a" {
"aa\"bb"
"aa'bb"
projects / thirdparty / binutils-gdb.git / commitdiff
