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Detect functions that try to bind variables from an outer scope.

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And raise an error saying that's not supported.
Addresses BIT-1233.
This commit is contained in:
Jon Siwek 2014-08-22 16:49:10 -05:00
parent f8895843cf
commit 3521a92a00
4 changed files with 76 additions and 2 deletions
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3
testing/btest/Baseline/language.outer_param_binding/out Normal file
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error in /Users/jsiwek/Projects/bro/bro/testing/btest/.tmp/language.outer_param_binding/outer_param_binding.bro, line 16: referencing outer function parameters not supported (c)
error in /Users/jsiwek/Projects/bro/bro/testing/btest/.tmp/language.outer_param_binding/outer_param_binding.bro, line 16: referencing outer function parameters not supported (d)
error in /Users/jsiwek/Projects/bro/bro/testing/btest/.tmp/language.outer_param_binding/outer_param_binding.bro, line 17: referencing outer function parameters not supported (b)

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testing/btest/language/outer_param_binding.bro Normal file
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# @TEST-EXEC-FAIL: bro -b %INPUT >out 2>&1
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff out
type Foo: record {
x: function(a: string) : string;
};
function bar(b: string, c: string)
{
local f: Foo;
local d = 8;
f = [$x=function(a: string) : string
{
local x = 0;
print x;
print c, d;
return cat(a, " ", b);
}
];
print f$x("2");
}
event bro_init()
{
bar("1", "20");
}