Files
mercury/tests/debugger/breakpoints.exp2
Zoltan Somogyi e9323be958 Improve an mdb error message.
trace/mercury_trace_spy.c:
    When the user wants to put a breakpoint on a line in a file,
    but there is no event exactly on the given line number,
    mdb used to tell the user just that fact. This diff makes
    mdb more helpful, by printing the nearest line numbers before
    and after the given line number that *do* have events on which
    breakpoints can be put.

    The mismatch can come for several reasons, with the most common
    probably being that textually, a switch arm for e.g X being f
    starts with the X = f unification goal, but switch detection
    *deletes* that unification from the switch arm, so the event
    for entry into that arm is actually on the line for the *next* goal.

trace/mercury_trace_tables.[ch]:
    Provide the info needed by mercury_trace_spy.c.

    Change the interface of MR_process_file_line_layouts to make it
    self-contained, i.e. returning counts of matches, instead of
    merely *adding* to preexisting counts. This is simpler, since
    the only caller of that function needs no running tally.

tests/debugger/breakpoints.inp:
    Extend this test to test the possible error messages we now generate.

tests/debugger/breakpoints.exp:
tests/debugger/breakpoints.exp2:
    Update the expected outputs in both debug and non-debug grades.
2020-08-08 04:22:44 +10:00

295 lines
12 KiB
Plaintext

E1: C1 CALL pred breakpoints.main/2-0 (cc_multi) breakpoints.m:35
mdb> echo on
Command echo enabled.
mdb> register --quiet
mdb> break data
Ambiguous procedure specification. The matches are:
0: func breakpoints.data/0-0 (det)
1: pred breakpoints.data/1-0 (det)
Which do you want to put a breakpoint on (0-1 or *)? *
0: + stop interface func breakpoints.data/0-0 (det)
1: + stop interface pred breakpoints.data/1-0 (det)
mdb> delete 1
1: E stop interface pred breakpoints.data/1-0 (det)
mdb> delete 0
0: E stop interface func breakpoints.data/0-0 (det)
mdb> break data
Ambiguous procedure specification. The matches are:
0: func breakpoints.data/0-0 (det)
1: pred breakpoints.data/1-0 (det)
Which do you want to put a breakpoint on (0-1 or *)? 1
0: + stop interface pred breakpoints.data/1-0 (det)
mdb> continue
E2: C2 CALL pred breakpoints.data/1-0 (det) breakpoints.m:53 (breakpoints.m:49)
mdb> disable 0
0: - stop interface pred breakpoints.data/1-0 (det)
mdb> break info
0: - stop interface pred breakpoints.data/1-0 (det)
mdb> break qperm
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
mdb> break safe
2: + stop interface pred breakpoints.safe/1-0 (semidet)
mdb> break -e qperm
3: + stop entry pred breakpoints.qperm/2-0 (nondet)
mdb> break -a qperm
4: + stop all pred breakpoints.qperm/2-0 (nondet)
mdb> break /
Ambiguous procedure specification. The matches are:
0: func breakpoints.//2-0 (det)
1: func breakpoints.print_list.//2-0 (det)
2: func dir.//2-0 (det)
3: func float.//2-0 (det)
4: func int.//2-0 (det)
5: func int16.//2-0 (det)
6: func int32.//2-0 (det)
7: func int64.//2-0 (det)
8: func int8.//2-0 (det)
9: func rational.//2-0 (det)
10: func uint.//2-0 (det)
11: func uint16.//2-0 (det)
12: func uint32.//2-0 (det)
13: func uint64.//2-0 (det)
14: func uint8.//2-0 (det)
Which do you want to put a breakpoint on (0-14 or *)? 0
5: + stop interface func breakpoints.//2-0 (det)
mdb> break //2
Ambiguous procedure specification. The matches are:
0: func breakpoints.//2-0 (det)
1: func breakpoints.print_list.//2-0 (det)
2: func dir.//2-0 (det)
3: func float.//2-0 (det)
4: func int.//2-0 (det)
5: func int16.//2-0 (det)
6: func int32.//2-0 (det)
7: func int64.//2-0 (det)
8: func int8.//2-0 (det)
9: func rational.//2-0 (det)
10: func uint.//2-0 (det)
11: func uint16.//2-0 (det)
12: func uint32.//2-0 (det)
13: func uint64.//2-0 (det)
14: func uint8.//2-0 (det)
Which do you want to put a breakpoint on (0-14 or *)? 0
6: + stop interface func breakpoints.//2-0 (det)
mdb> break breakpoints.print_list.-/2
7: + stop interface func breakpoints.print_list.-/2-0 (det)
mdb> break breakpoints.print_list.--0
8: + stop interface func breakpoints.print_list.-/2-0 (det)
mdb> break breakpoints__print_list__/-0
9: + stop interface func breakpoints.print_list.//2-0 (det)
mdb> break breakpoints__print_list__print_list
10: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
mdb> break breakpoints.print_list.print_list/3
11: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
mdb> break info
0: - stop interface pred breakpoints.data/1-0 (det)
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
2: + stop interface pred breakpoints.safe/1-0 (semidet)
3: + stop entry pred breakpoints.qperm/2-0 (nondet)
4: + stop all pred breakpoints.qperm/2-0 (nondet)
5: + stop interface func breakpoints.//2-0 (det)
6: + stop interface func breakpoints.//2-0 (det)
7: + stop interface func breakpoints.print_list.-/2-0 (det)
8: + stop interface func breakpoints.print_list.-/2-0 (det)
9: + stop interface func breakpoints.print_list.//2-0 (det)
10: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
11: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
mdb> delete 0
0: D stop interface pred breakpoints.data/1-0 (det)
mdb> break info
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
2: + stop interface pred breakpoints.safe/1-0 (semidet)
3: + stop entry pred breakpoints.qperm/2-0 (nondet)
4: + stop all pred breakpoints.qperm/2-0 (nondet)
5: + stop interface func breakpoints.//2-0 (det)
6: + stop interface func breakpoints.//2-0 (det)
7: + stop interface func breakpoints.print_list.-/2-0 (det)
8: + stop interface func breakpoints.print_list.-/2-0 (det)
9: + stop interface func breakpoints.print_list.//2-0 (det)
10: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
11: + stop interface pred breakpoints.print_list.print_list/3-0 (det)
mdb> disable 3
3: - stop entry pred breakpoints.qperm/2-0 (nondet)
mdb> break nodiag
0: + stop interface pred breakpoints.nodiag/3-0 (semidet)
mdb> break_print -v -n -b1 HeadVar__1 HeadVar__2
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
HeadVar__1 (verbose, nowarn), HeadVar__2 (verbose, nowarn)
mdb> continue
E3: C3 CALL pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:58)
HeadVar__1
[|]
1-1
2-[|]
1-2
2-[|]
1-3
2-[|]/2
mdb> break_print -b1 none
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
mdb> format_param -p depth 10
mdb> format_param -p size 20
mdb> break_print -p -n -b1 HeadVar__1 HeadVar__2
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
HeadVar__1 (pretty, nowarn), HeadVar__2 (pretty, nowarn)
mdb> continue
E4: C3 SWTC pred breakpoints.qperm/2-0 (nondet) s2-2; breakpoints.m:64
mdb> finish -N
E5: C4 CALL pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:67)
HeadVar__1
[2, 3, 4, 5]
mdb> finish -n
E6: C4 EXIT pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:67)
HeadVar__1
[2, 3, 4, 5]
HeadVar__2
[2, 3, 4, 5]
mdb> break_print -b1 none
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
mdb> break_print -f -n -b1 HeadVar__1
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
HeadVar__1 (flat, nowarn)
mdb> break_print -f -e -n -b1 HeadVar__2
1: + stop interface pred breakpoints.qperm/2-0 (nondet)
HeadVar__1 (flat, nowarn), HeadVar__2 (flat, nowarn)
mdb> continue
E7: C3 EXIT pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:58)
HeadVar__1 [1, 2, 3, 4, 5]
HeadVar__2 [1, 2, 3, 4, 5]
mdb> continue
E8: C5 CALL pred breakpoints.safe/1-0 (semidet) breakpoints.m:77 (breakpoints.m:59)
mdb> finish
E9: C6 CALL pred breakpoints.nodiag/3-0 (semidet) breakpoints.m:84 (breakpoints.m:79)
E10: C6 FAIL pred breakpoints.nodiag/3-0 (semidet) breakpoints.m:84 (breakpoints.m:79)
E11: C5 FAIL pred breakpoints.safe/1-0 (semidet) breakpoints.m:77 (breakpoints.m:59)
mdb> delete *
0: E stop interface pred breakpoints.nodiag/3-0 (semidet)
1: E stop interface pred breakpoints.qperm/2-0 (nondet)
2: E stop interface pred breakpoints.safe/1-0 (semidet)
3: D stop entry pred breakpoints.qperm/2-0 (nondet)
4: E stop all pred breakpoints.qperm/2-0 (nondet)
5: E stop interface func breakpoints.//2-0 (det)
6: E stop interface func breakpoints.//2-0 (det)
7: E stop interface func breakpoints.print_list.-/2-0 (det)
8: E stop interface func breakpoints.print_list.-/2-0 (det)
9: E stop interface func breakpoints.print_list.//2-0 (det)
10: E stop interface pred breakpoints.print_list.print_list/3-0 (det)
11: E stop interface pred breakpoints.print_list.print_list/3-0 (det)
mdb> break info
There are no break points.
mdb> delete *
There are no break points.
mdb> break -i -I3 qperm
0: + stop interface pred breakpoints.qperm/2-0 (nondet)
(ignore next 3 interface events)
mdb> continue
E12: C7 REDO pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:67)
mdb> print *
HeadVar__1 [4, 5]
mdb> ignore -E4 0
0: + stop interface pred breakpoints.qperm/2-0 (nondet)
(ignore next 4 call events)
mdb> continue
E13: C8 CALL pred breakpoints.qperm/2-0 (nondet) breakpoints.m:63 (breakpoints.m:67)
mdb> print *
HeadVar__1 []
mdb> delete *
0: E stop interface pred breakpoints.qperm/2-0 (nondet)
mdb> break -O test_in_both
Ambiguous procedure specification. The matches are:
0: pred breakpoints.test_in_both/2-0 (det)
1: pred breakpoints.print_list.test_in_both/2-0 (det)
mdb> break breakpoints.test_in_both
0: + stop interface pred breakpoints.test_in_both/2-0 (det)
mdb> break breakpoints.print_list.test_in_both
1: + stop interface pred breakpoints.print_list.test_in_both/2-0 (det)
mdb> delete *
0: E stop interface pred breakpoints.test_in_both/2-0 (det)
1: E stop interface pred breakpoints.print_list.test_in_both/2-0 (det)
mdb> break print_list.test_in_both
0: + stop interface pred breakpoints.print_list.test_in_both/2-0 (det)
mdb> break print_list.test_only_in_printlist
1: + stop interface pred breakpoints.print_list.test_only_in_printlist/2-0 (det)
mdb> delete *
0: E stop interface pred breakpoints.print_list.test_in_both/2-0 (det)
1: E stop interface pred breakpoints.print_list.test_only_in_printlist/2-0 (det)
mdb> break test_only_in_printlist
0: + stop interface pred breakpoints.print_list.test_only_in_printlist/2-0 (det)
mdb> delete *
0: E stop interface pred breakpoints.print_list.test_only_in_printlist/2-0 (det)
mdb> procedures testmod
Module name `testmod' is ambiguous.
The matches are:
breakpoints.a.testmod
breakpoints.b.testmod
mdb> procedures a
List of procedures in module `a'
func breakpoints.a.afunc/0-0 (det)
mdb> procedures a.testmod
List of procedures in module `a.testmod'
func breakpoints.a.testmod.test_in_a/0-0 (det)
func breakpoints.a.testmod.test_in_ab/0-0 (det)
mdb> break -O test_in_ab
Ambiguous procedure specification. The matches are:
0: func breakpoints.a.testmod.test_in_ab/0-0 (det)
1: func breakpoints.b.testmod.test_in_ab/0-0 (det)
mdb> break -O testmod.test_in_ab
Ambiguous procedure specification. The matches are:
0: func breakpoints.a.testmod.test_in_ab/0-0 (det)
1: func breakpoints.b.testmod.test_in_ab/0-0 (det)
mdb> break -O a.testmod.test_in_ab
0: + stop interface func breakpoints.a.testmod.test_in_ab/0-0 (det)
mdb> break -O b.testmod.test_in_ab
1: + stop interface func breakpoints.b.testmod.test_in_ab/0-0 (det)
mdb> delete *
0: E stop interface func breakpoints.a.testmod.test_in_ab/0-0 (det)
1: E stop interface func breakpoints.b.testmod.test_in_ab/0-0 (det)
mdb> break -O -p goal test_in_a
0: + stop interface func breakpoints.a.testmod.test_in_a/0-0 (det)
goal (flat)
mdb> break -O -P -p HeadVar__1 test_in_b
1: + print interface func breakpoints.b.testmod.test_in_b/0-0 (det)
HeadVar__1 (flat)
mdb> break info
0: + stop interface func breakpoints.a.testmod.test_in_a/0-0 (det)
goal (flat)
1: + print interface func breakpoints.b.testmod.test_in_b/0-0 (det)
HeadVar__1 (flat)
mdb> continue
[1, 3, 5, 2, 4]
E14: C9 CALL func breakpoints.a.testmod.test_in_a/0-0 (det) breakpoints.a.testmod.m:14 (breakpoints.m:38)
test_in_a = '_'
mdb> break_print -b0 none
0: + stop interface func breakpoints.a.testmod.test_in_a/0-0 (det)
mdb> break_print -b0 *
0: + stop interface func breakpoints.a.testmod.test_in_a/0-0 (det)
all (flat)
mdb> break nonexistent.m:1000
mdb: there is no debuggable source file named nonexistent.m.
mdb> break breakpoints.m:1000
mdb: there is no event at line 1000 in breakpoints.m
(next lower line number: 103, none higher).
mdb> break breakpoints.m:2
mdb: there is no event at line 2 in breakpoints.m
(no lower line number, next higher: 35).
mdb> break breakpoints.m:82
mdb: there is no event at line 82 in breakpoints.m
(next lower line number: 80, next higher line number: 84).
mdb> continue
E15: C9 EXIT func breakpoints.a.testmod.test_in_a/0-0 (det) breakpoints.a.testmod.m:14 (breakpoints.m:38)
HeadVar__1 "a"
mdb> continue
"a"
E16: C10 CALL func breakpoints.b.testmod.test_in_b/0-0 (det) breakpoints.b.testmod.m:14 (breakpoints.m:40)
mdb: there is no variable named HeadVar__1.
E17: C10 EXIT func breakpoints.b.testmod.test_in_b/0-0 (det) breakpoints.b.testmod.m:14 (breakpoints.m:40)
HeadVar__1 "b"
"b"