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Fix function type-equivalence requiring same param names, addresses #957

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This commit is contained in:
Jon Siwek 2013-03-07 13:02:33 -06:00
parent 8ee4382721
commit 2293443ea0
4 changed files with 48 additions and 7 deletions
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6
src/Type.cc
View file

@ -712,7 +712,7 @@ int FuncType::MatchesIndex(ListExpr*& index) const
MATCHES_INDEX_SCALAR : DOES_NOT_MATCH_INDEX;
}
int FuncType::CheckArgs(const type_list* args) const
int FuncType::CheckArgs(const type_list* args, bool is_init) const
{
const type_list* my_args = arg_types->Types();
@ -720,7 +720,7 @@ int FuncType::CheckArgs(const type_list* args) const
return 0;
for ( int i = 0; i < my_args->length(); ++i )
if ( ! same_type((*args)[i], (*my_args)[i]) )
if ( ! same_type((*args)[i], (*my_args)[i], is_init) )
return 0;
return 1;
@ -1722,7 +1722,7 @@ int same_type(const BroType* t1, const BroType* t2, int is_init)
return 0;
}
return same_type(ft1->Args(), ft2->Args(), is_init);
return ft1->CheckArgs(ft2->ArgTypes()->Types(), is_init);
}
case TYPE_RECORD:

6
src/Type.h
View file

@ -370,11 +370,9 @@ public:
{ Unref(yield); yield = 0; flavor = arg_flav; }
int MatchesIndex(ListExpr*& index) const;
int CheckArgs(const type_list* args) const;
int CheckArgs(const type_list* args, bool is_init = false) const;
TypeList* ArgTypes() { return arg_types; }
ID* GetReturnValueID() const;
TypeList* ArgTypes() const { return arg_types; }
void Describe(ODesc* d) const;
void DescribeReST(ODesc* d) const;

4
testing/btest/Baseline/language.func-assignment/out Normal file
View file

@ -0,0 +1,4 @@
Brogrammers, like bowties, are cool. Brogrammers, like bowties, are cool. Brogrammers, like bowties, are cool.
Brogrammers, like bowties, are cool. Brogrammers, like bowties, are cool.
BROGRAMMERS, LIKE BOWTIES, ARE COOL.
BROGRAMMERS, LIKE BOWTIES, ARE COOL.

39
testing/btest/language/func-assignment.bro Normal file
View file

@ -0,0 +1,39 @@
# @TEST-EXEC: bro -b %INPUT >out
# @TEST-EXEC: btest-diff out
function double_string(s: string): string
{
return string_cat(s, " ", s);
}
function triple_string(str: string): string
{
return string_cat(str, " ", str, " ", str);
}
type sample_function: record {
s: string;
f: function(str: string): string;
};
event bro_init()
{
local test_sf: sample_function;
test_sf$s = "Brogrammers, like bowties, are cool.";
test_sf$f = triple_string;
print test_sf$f(test_sf$s);
test_sf$f = double_string;
print test_sf$f(test_sf$s);
# Works as expected
test_sf$f = function(str: string): string
{ return to_upper(str); };
print test_sf$f(test_sf$s);
# Func arg names shouldn't factor in to the type check.
test_sf$f = function(s: string): string
{ return to_upper(s); };
print test_sf$f(test_sf$s);
}