[RFAv2,6/6] Add a test case for info args|functions|locals|variables [-q] [-t TYPEREGEXP] [NAMEREGEXP]

diff --git a/gdb/testsuite/gdb.base/info_qt.c b/gdb/testsuite/gdb.base/info_qt.c
new file mode 100644
index 0000000000..77c4ea8236
--- /dev/null
+++ b/gdb/testsuite/gdb.base/info_qt.c
@@ -0,0 +1,81 @@ 
+/* This testcase is part of GDB, the GNU debugger.
+
+   Copyright 2018 Free Software Foundation, Inc.
+
+   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 <stdio.h>
+#include <stdlib.h>
+
+typedef int entier;
+
+int info_qt_inc = 0;
+entier info_qt_ent = 0;
+
+static void
+setup_done (void)
+{
+}
+
+static void
+setup (char arg_c, int arg_i, int arg_j)
+{
+  char loc_arg_c = arg_c;
+  int loc_arg_i = arg_i;
+  int loc_arg_j = arg_j;
+
+  info_qt_inc += loc_arg_c + loc_arg_i + loc_arg_j;
+  setup_done ();
+}
+
+void info_fun1 (void)
+{
+  info_qt_inc++;
+  info_qt_ent++;
+}
+
+int info_fun2 (char c)
+{
+  info_qt_inc += c;
+  return info_qt_inc;
+}
+
+int info_fun2bis (char c)
+{
+  info_qt_inc += c;
+  return info_qt_inc;
+}
+
+entier info_fun2xxx (char arg_c, int arg_i, int arg_j)
+{
+  info_qt_inc += arg_c + arg_i + arg_j;
+  return info_qt_inc;
+}
+
+entier info_fun2yyy (char arg_c, int arg_i, int arg_j)
+{
+  setup (arg_c, arg_i, arg_j);
+  info_qt_inc += arg_c + arg_i + arg_j;
+  return info_qt_inc;
+}
+
+int
+main (int argc, char **argv, char **envp)
+{
+  info_fun1 ();
+  (void) info_fun2 ('a');
+  (void) info_fun2bis ('b');
+  (void) info_fun2xxx ('c', 1, 2);
+  (void) info_fun2yyy ('d', 3, 4);
+}
diff --git a/gdb/testsuite/gdb.base/info_qt.exp b/gdb/testsuite/gdb.base/info_qt.exp
new file mode 100644
index 0000000000..a657fec39e
--- /dev/null
+++ b/gdb/testsuite/gdb.base/info_qt.exp
@@ -0,0 +1,221 @@ 
+# This testcase is part of GDB, the GNU debugger.
+
+# Copyright 2018 Free Software Foundation, Inc.
+
+# 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/>.
+
+
+# This test verifies that a macro using backtrace can be applied to all threads
+# and will continue for each thread even though an error may occur in
+# backtracing one of the threads.
+
+# Test info [args|functions|locals|variables] [-q] [-t TYPEREGEXP] [NAMEREGEXP]
+standard_testfile
+
+if { [prepare_for_testing "failed to prepare" ${testfile}] } {
+    return -1
+}
+
+clean_restart ${binfile}
+
+if ![runto setup_done] then {
+    gdb_suppress_tests
+}
+set any "\[^\r\n\]*"
+set ws "\[ \t\]\+"
+set number "\[0-9]\+"
+
+
+############# test 'info functions'
+
+# test simple matching with name regexp
+foreach_with_prefix cmd {
+    "info functions info_fun"
+    "info functions -- info_fun"
+    "info functions ^info_fun" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "All functions matching regular expression \".*info_fun.*\":" \
+	     "" \
+	     "File .*info_qt.c:" \
+	     "${number}:	void info_fun1\\\(void\\\);" \
+	     "${number}:	int info_fun2\\\(char\\\);" \
+	     "${number}:	int info_fun2bis\\\(char\\\);" \
+	     "${number}:	entier info_fun2xxx\\\(char, int, int\\\);" \
+	     "${number}:	entier info_fun2yyy\\\(char, int, int\\\);" \
+	    ] \
+	"info functions info_fun"
+}
+
+# test simple matching with name regexp, but with -q to avoid the first header
+foreach_with_prefix cmd {
+    "info functions -q info_fun"
+    "info functions -q -- info_fun" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "" \
+	     "File .*info_qt.c:" \
+	     "${number}:	void info_fun1\\\(void\\\);" \
+	     "${number}:	int info_fun2\\\(char\\\);" \
+	     "${number}:	int info_fun2bis\\\(char\\\);" \
+	     "${number}:	entier info_fun2xxx\\\(char, int, int\\\);" \
+	     "${number}:	entier info_fun2yyy\\\(char, int, int\\\);" \
+	    ] \
+	"info functions -q info_fun"
+}
+
+# test -q and no matching functions
+foreach_with_prefix cmd {
+    "info functions -q nowaythiscanmatch"
+    "info functions -q -- -q" } {
+    gdb_test $cmd "" "quiet info functions empty output"
+}
+
+# test with a type regexp
+foreach_with_prefix cmd {
+    "info functions -t entier -q info_fun"
+    "info functions -q -t 'entier (' -- info_fun"
+    "info functions -q -t '(char, int, int)' -- info_fun"
+    "info functions -q -t 'entier (char, int, int)' -- info_fun" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "" \
+	     "File .*info_qt.c:" \
+	     "${number}:	entier info_fun2xxx\\\(char, int, int\\\);" \
+	     "${number}:	entier info_fun2yyy\\\(char, int, int\\\);" \
+	    ] \
+	"info functions -q info_fun"
+}
+
+# test with a non matching type regexp
+gdb_test "info functions -t ganze_Zahl -q info_fun" "" \
+    "quiet output info functions non matching type"
+
+
+############# test 'info variables'
+
+# test simple matching with name regexp
+foreach_with_prefix cmd {
+    "info variables info_qt"
+    "info variables -- info_qt"
+    "info variables ^info_qt" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "All variables matching regular expression \".*info_qt.*\":" \
+	     "" \
+	     "File .*info_qt.c:" \
+	     "${number}:	entier info_qt_ent;" \
+	     "${number}:	int info_qt_inc;" \
+	    ] \
+	"info functions info_fun"
+}
+
+# test simple matching with name regexp, but with -q to avoid the first header
+
+# test -q and no matching variables
+foreach_with_prefix cmd {
+    "info variables -q nowaythiscanmatch"
+    "info variables -q -- -q" } {
+    gdb_test $cmd "" "quiet info variables empty output"
+}
+
+# test with a type regexp
+foreach_with_prefix cmd {
+    "info variables -t entier -q info_qt"
+    "info variables -q -t entier -- info_qt" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "" \
+	     "File .*info_qt.c:" \
+	     "${number}:	entier info_qt_ent;" \
+	    ] \
+	"info variables -q -t entier info_fun"
+}
+
+# test with a non matching type regexp
+gdb_test "info variables -t ganze_Zahl -q info_at" "" \
+    "quiet output info variables non matching type"
+
+
+
+############# test 'info args' in function setup.
+
+gdb_test "frame 1" ".* in setup .*" "set frame 1 for info args"
+
+# test name regexp matching all
+foreach_with_prefix cmd {
+    "info args"
+    "info args arg_"
+    "info args g"
+    "info args -- .*" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "arg_c = 100 'd'" \
+	     "arg_i = 3" \
+	     "arg_j = 4" \
+	    ] \
+	"info args"
+}
+
+# test name regexp or type regexp matching some
+foreach_with_prefix cmd {
+    "info args -t int"
+    "info args arg_[ij]"} {
+    gdb_test $cmd \
+	[multi_line \
+	     "arg_i = 3" \
+	     "arg_j = 4" \
+	    ] \
+	"info args"
+}
+
+gdb_test "info args nowaythiscanmatch" "No matching arguments." "non matching args"
+gdb_test "info args -q nowaythiscanmatch" "" "quiet non matching args"
+gdb_test "info args -q -t entier" "" "quiet non matching args with type"
+
+############# test 'info locals' in function setup.
+
+gdb_test "frame 1" ".* in setup .*" "set frame 1 for info locals"
+
+# test name regexp matching all
+foreach_with_prefix cmd {
+    "info locals"
+    "info locals loc_arg_"
+    "info locals g"
+    "info locals -- .*" } {
+    gdb_test $cmd \
+	[multi_line \
+	     "loc_arg_c = 100 'd'" \
+	     "loc_arg_i = 3" \
+	     "loc_arg_j = 4" \
+	    ] \
+	"info locals"
+}
+
+# test name regexp or type regexp matching some
+foreach_with_prefix cmd {
+    "info locals -t int"
+    "info locals arg_[ij]"
+    "info locals loc_arg_[ij]"} {
+    gdb_test $cmd \
+	[multi_line \
+	     "loc_arg_i = 3" \
+	     "loc_arg_j = 4" \
+	    ] \
+	"info args"
+}
+
+gdb_test "info locals nowaythiscanmatch" "No matching locals." "non matching locals"
+gdb_test "info locals -q nowaythiscanmatch" "" "quiet non matching locals"
+gdb_test "info locals -q -t ganze_Zahl loc" "" "quiet non matching locals with type"