overload.exp revision 1.1
1# Copyright 1998-2014 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16# written by Elena Zannoni (ezannoni@cygnus.com)
17# Rewritten by Michael Chastain <mec.gnu@mindspring.com>
18
19# This file is part of the gdb testsuite
20
21# Tests for overloaded member functions.
22
23set ws "\[\r\n\t \]+"
24set nl "\[\r\n\]+"
25
26
27if { [skip_cplus_tests] } { continue }
28
29standard_testfile .cc
30
31if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
32    return -1
33}
34
35# Set it up at a breakpoint so we can play with the variable values.
36
37if ![runto 'marker1'] then {
38    perror "couldn't run to marker1"
39    continue
40}
41
42gdb_test "up" ".*main.*" "up from marker1"
43
44# Print the monster class type.
45# See virtfunc.exp for a discussion of ptype.
46#
47# This is hairy to begin with.  It is even more hairy because of the
48# XX_* alternate patterns to catch the KFAIL and XFAIL cases.
49
50set re_class	"((struct|class) foo \{${ws}public:|struct foo \{)"
51set re_fields	"int ifoo;${ws}const char ?\\* ?ccpfoo;"
52set XX_fields  	"int ifoo;${ws}char ?\\* ?ccpfoo;"
53set re_ctor	"foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);"
54set re_dtor	"~foo\\((void|)\\);"
55set XX_dtor	"~foo\\(int\\);"
56set re_methods	                  "void foofunc\\(int\\);"
57set re_methods	"${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);"
58set re_methods	"${re_methods}${ws}int overload1arg\\((void|)\\);"
59set re_methods	"${re_methods}${ws}int overload1arg\\(char\\);"
60set re_methods	"${re_methods}${ws}int overload1arg\\(signed char\\);"
61set re_methods	"${re_methods}${ws}int overload1arg\\(unsigned char\\);"
62set re_methods	"${re_methods}${ws}int overload1arg\\(short( int)?\\);"
63set re_methods	"${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);"
64set re_methods	"${re_methods}${ws}int overload1arg\\(int\\);"
65set re_methods	"${re_methods}${ws}int overload1arg\\(unsigned int\\);"
66set re_methods	"${re_methods}${ws}int overload1arg\\(long( int)?\\);"
67set re_methods	"${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);"
68set re_methods	"${re_methods}${ws}int overload1arg\\(float\\);"
69set re_methods	"${re_methods}${ws}int overload1arg\\(double\\);"
70set re_methods	"${re_methods}${ws}int overload1arg\\(int \\*\\);"
71set re_methods	"${re_methods}${ws}int overload1arg\\(void \\*\\);"
72set re_methods	"${re_methods}${ws}int overloadfnarg\\((void|)\\);"
73set re_methods	"${re_methods}${ws}int overloadfnarg\\(int\\);"
74set re_methods	"${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
75set re_methods	"${re_methods}${ws}int overloadargs\\(int\\);"
76set re_methods	"${re_methods}${ws}int overloadargs\\(int, int\\);"
77set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int\\);"
78set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
79set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
80set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
81set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
82set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);"
83set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);"
84set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
85set re_methods	"${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
86set re_synth	"foo & operator=\\(foo const ?&\\);"
87
88gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
89
90gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
91    -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
92	# gcc 2.95.3 -gdwarf-2
93	# TODO: this is not a quirk!
94	pass "ptype foo_instance1 (HP aCC -- known quirk with ~foo parameter list)"
95    }
96    -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
97	# gcc 2.95.3 -gstabs+, no "const" on "const char *"
98	# TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
99	# long time, but an XFAIL really needs an external bug report.
100	# -- chastain 2003-12-31
101	# setup_xfail "*-*-*"
102	# fail "ptype foo_instance1"
103	# TODO: this should be a KFAIL.
104	pass "ptype foo_instance1 (shorter match)"
105    }
106    -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
107	# gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
108	pass "ptype foo_instance1"
109    }
110    -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
111	# gcc 3.3.2 -gdwarf-2, "~foo(int)"
112	# TODO: kfail this
113	# kfail "gdb/1113" "ptype foo_instance1"
114	pass "ptype foo_instance1 (shorter match)"
115    }
116    -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
117	# gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
118	# gcc HEAD -gdwarf-2 (abi-2)
119	# TODO: just pass this
120	pass "ptype foo_instance1 (shorter match)"
121    }
122    -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
123	# gcc 3.3.2 -gstabs+
124	# TODO: enough with the "shorter match"
125	pass "ptype foo_instance1 (shorter match)"
126    }
127    -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
128	# gcc HEAD -gstabs+ (abi-2)
129	pass "ptype foo_instance1 (shorter match)"
130    }
131}
132
133# Print variables and method calls.
134# This is a walk in the park.
135
136gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
137gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
138
139gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
140    "print call overloaded func 1 arg"
141
142# Regression test for overloading with function pointer type.
143gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23"
144
145# If GDB fails to restore the selected frame properly after the
146# inferior function call above (see GDB PR 1155 for an explanation of
147# why this might happen), all the subsequent tests will fail.  We
148# should detect and report that failure, but let the marker call
149# finish so that the rest of the tests can run undisturbed.
150
151gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
152    -re "#0  marker1.*$gdb_prompt $" {
153        setup_kfail "gdb/1155" s390-*-linux-gnu
154        fail "re-selected 'main' frame after inferior call"
155        gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
156            "finish call to marker1"
157    }
158    -re "#1  ($hex in )?main.*$gdb_prompt $" {
159        pass "re-selected 'main' frame after inferior call"
160    }
161}
162
163gdb_test "print foo_instance1.overloadargs(1, 2)" \
164    "\\$\[0-9\]+ = 2" \
165    "print call overloaded func 2 args"
166
167gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
168    "\\$\[0-9\]+ = 3" \
169    "print call overloaded func 3 args"
170
171gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
172    "\\$\[0-9\]+ = 4" \
173    "print call overloaded func 4 args"
174
175gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
176    "\\$\[0-9\]+ = 5" \
177    "print call overloaded func 5 args"
178
179gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
180    "\\$\[0-9\]+ = 6" \
181    "print call overloaded func 6 args"
182
183gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
184    "\\$\[0-9\]+ = 7" \
185    "print call overloaded func 7 args"
186
187gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
188    "\\$\[0-9\]+ = 8" \
189    "print call overloaded func 8 args"
190
191gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
192    "\\$\[0-9\]+ = 9" \
193    "print call overloaded func 9 args"
194
195gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
196    "\\$\[0-9\]+ = 10" \
197    "print call overloaded func 10 args"
198
199gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
200    "\\$\[0-9\]+ = 11" \
201    "print call overloaded func 11 args"
202
203gdb_test "print foo_instance1.overload1arg()" \
204    "\\$\[0-9\]+ = 1" \
205    "print call overloaded func void arg"
206
207gdb_test "print foo_instance1.overload1arg((char)arg2)" \
208    "\\$\[0-9\]+ = 2" \
209    "print call overloaded func char arg"
210
211gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
212    "\\$\[0-9\]+ = 3" \
213    "print call overloaded func signed char arg"
214
215gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
216    "\\$\[0-9\]+ = 4" \
217    "print call overloaded func unsigned char arg"
218
219gdb_test "print foo_instance1.overload1arg((short)arg5)" \
220    "\\$\[0-9\]+ = 5" \
221    "print call overloaded func short arg"
222
223gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
224    "\\$\[0-9\]+ = 6" \
225    "print call overloaded func unsigned short arg"
226
227gdb_test "print foo_instance1.overload1arg((int)arg7)" \
228    "\\$\[0-9\]+ = 7" \
229    "print call overloaded func int arg"
230
231gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
232    "\\$\[0-9\]+ = 8" \
233    "print call overloaded func unsigned int arg"
234
235gdb_test "print foo_instance1.overload1arg((long)arg9)" \
236    "\\$\[0-9\]+ = 9" \
237    "print call overloaded func long arg"
238
239gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
240    "\\$\[0-9\]+ = 10" \
241    "print call overloaded func unsigned long arg"
242
243gdb_test "print foo_instance1.overload1arg((float)arg11)" \
244    "\\$\[0-9\]+ = 11" \
245    "print call overloaded func float arg"
246
247gdb_test "print foo_instance1.overload1arg((double)arg12)" \
248    "\\$\[0-9\]+ = 12" \
249    "print call overloaded func double arg"
250
251gdb_test "print foo_instance1.overload1arg(&arg13)" \
252    "\\$\[0-9\]+ = 13" \
253    "print call overloaded func int\\* arg"
254
255gdb_test "print foo_instance1.overload1arg(&arg14)" \
256    "\\$\[0-9\]+ = 14" \
257    "print call overloaded func char\\* arg"
258
259gdb_test "print bar(a)" "= 11"
260gdb_test "print bar(b)" "= 22"
261gdb_test "print bar(c)" "= 22"
262gdb_test "print bar(d)" "= 22"
263
264# ---
265
266# List overloaded functions.
267
268# The void case is tricky because some compilers say "(void)"
269# and some compilers say "()".
270
271gdb_test_no_output "set listsize 1" ""
272gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
273    -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
274	# gcc 2
275	gdb_test "list foo::overloadfnarg(void)"\
276		".*int foo::overloadfnarg.*\\(void\\).*" \
277		"list overloaded function with no args"
278    }
279    -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
280	# gcc 3
281	gdb_test "list foo::overloadfnarg()"\
282		".*int foo::overloadfnarg.*\\(void\\).*" \
283		"list overloaded function with no args"
284    }
285}
286
287gdb_test "list foo::overloadfnarg(int)" \
288    "int foo::overloadfnarg.*\\(int arg\\).*" \
289   "list overloaded function with int arg"
290
291gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
292   "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
293   "list overloaded function with function ptr args"
294
295gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
296   "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
297   "list overloaded function with function ptr args - quotes around argument"
298
299# Test list with filename.
300
301gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
302gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
303gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
304gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
305gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
306gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
307
308# And with filename and namespace.
309
310gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}"
311gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}"
312
313# Now some tests to see how overloading and namespaces interact.
314
315gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
316gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
317gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
318
319# Static methods.
320gdb_test "print K::staticoverload ()" " = 1"
321gdb_test "print K::staticoverload (2)" " = 2"
322gdb_test "print K::staticoverload (2, 3)" " = 5"
323
324# Namespace-qualified functions.
325gdb_test "print N::nsoverload ()" " = 1"
326gdb_test "print N::nsoverload (2)" " = 2"
327gdb_test "print N::nsoverload (2, 3)" " = 5"
328
329if ![runto 'XXX::marker2'] then {
330    perror "couldn't run to XXX::marker2"
331    continue
332}
333
334gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
335gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
336gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
337
338# One last mysterious test.
339# I wonder what this is for?
340
341gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
342
343# Test expression evaluation with overloaded methods
344gdb_test "print foo::overload1arg" \
345    "non-unique member `overload1arg' requires type instantiation" \
346    "print foo::overload1arg"
347
348gdb_test "print foo::overload1arg(char***)" \
349    "no member function matches that type instantiation" \
350    "print foo::overload1arg(char***)"
351
352gdb_test "print foo::overload1arg(void)" \
353    "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \
354    "print foo::overload1arg(void)"
355
356foreach t [list char "signed char" "unsigned char" "short" \
357	       "unsigned short" int "unsigned int" long "unsigned long" \
358	       float double] {
359    gdb_test "print foo::overload1arg($t)" \
360	"\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \
361	"print foo::overload1arg($t)"
362}
363