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Emit deprecation warning for use of &deprecated function parameters

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Particularly, this is meant for using &deprecated on canonical
event/hook prototype parameters to encourage users to create handlers
to another, non-deprecated prototype.  i.e. for canonical prototypes,
we may not always want to put &deprecated directly on the prototype
itself since that signals deprecation of the ID entirely.
This commit is contained in:
Jon Siwek 2020-07-09 20:27:59 -07:00
parent 39f549ed68
commit 26b3d406b4
3 changed files with 42 additions and 1 deletions
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5
testing/btest/Baseline/language.alternate-prototypes-deprecated-args/out Normal file
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warning in /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.alternate-prototypes-deprecated-args/alternate-prototypes-deprecated-args.zeek, line 9 and /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.alternate-prototypes-deprecated-args/alternate-prototypes-deprecated-args.zeek, line 5: use of deprecated parameter 'b' (event(a:string; b:string; c:string;))
warning in /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.alternate-prototypes-deprecated-args/alternate-prototypes-deprecated-args.zeek, line 19 and /home/jon/pro/zeek/zeek/testing/btest/.tmp/language.alternate-prototypes-deprecated-args/alternate-prototypes-deprecated-args.zeek, line 5: use of deprecated prototype (event(a:string; b:string;) and myev)
myev (canon), one, two, three
myev (new), one, three
myev (old), one, two

28
testing/btest/language/alternate-prototypes-deprecated-args.zeek Normal file
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# @TEST-EXEC: zeek -b %INPUT >out 2>&1
#
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff out
global myev: event(a: string, b: string &deprecated="Don't use 'b'", c: string);
global myev: event(a: string, c: string);
global myev: event(a: string, b: string) &deprecated="Don't use this prototype";
event myev(a: string, b: string, c: string) &priority=11
{
print "myev (canon)", a, b, c;
}
event myev(a: string, c: string) &priority = 7
{
print "myev (new)", a, c;
}
event myev(a: string, b: string) &priority = 5
{
print "myev (old)", a, b;
}
event zeek_init()
{
event myev("one", "two", "three");
}