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authorRichard Linden <none@none>2012-10-29 18:44:37 -0700
committerRichard Linden <none@none>2012-10-29 18:44:37 -0700
commitb71e991c1860bbea0387f9434cc2b4b31a26469a (patch)
tree54602f0813ce777da777bb065b1b7b874d2fe2d4 /indra/llcommon/llpredicate.h
parent3ffd0be53af0c5338e6fdc77d240e976aeb10451 (diff)
SH-3405 WIP convert existing stats to lltrace system
fixed predicate update logic and reduced to 2 classes
Diffstat (limited to 'indra/llcommon/llpredicate.h')
-rw-r--r--indra/llcommon/llpredicate.h112
1 files changed, 68 insertions, 44 deletions
diff --git a/indra/llcommon/llpredicate.h b/indra/llcommon/llpredicate.h
index 3f1bf1c8e6..a13172da68 100644
--- a/indra/llcommon/llpredicate.h
+++ b/indra/llcommon/llpredicate.h
@@ -36,43 +36,41 @@ namespace LLPredicate
extern const U32 cPredicateFlagsFromEnum[5];
template<typename ENUM>
- class Literal
+ class Value
{
- friend Rule<ENUM>;
-
public:
typedef U32 predicate_flag_t;
static const S32 cMaxEnum = 5;
- Literal(ENUM e)
+ Value(ENUM e)
: mPredicateFlags(cPredicateFlagsFromEnum[e])
{
llassert(0 <= e && e < cMaxEnum);
}
- Literal()
+ Value()
: mPredicateFlags(0xFFFFffff)
{}
- Literal operator~()
+ Value operator!() const
{
- Literal new_rule;
- new_rule.mPredicateFlags = ~mPredicateFlags;
- return new_rule;
+ Value new_value;
+ new_value.mPredicateFlags = ~mPredicateFlags;
+ return new_value;
}
- Literal operator &&(const Literal& other)
+ Value operator &&(const Value other) const
{
- Literal new_rule;
- new_rule.mPredicateFlags = mPredicateFlags & other.mPredicateFlags;
- return new_rule;
+ Value new_value;
+ new_value.mPredicateFlags = mPredicateFlags & other.mPredicateFlags;
+ return new_value;
}
- Literal operator ||(const Literal& other)
+ Value operator ||(const Value other) const
{
- Literal new_rule;
- new_rule.mPredicateFlags = mPredicateFlags | other.mPredicateFlags;
- return new_rule;
+ Value new_value;
+ new_value.mPredicateFlags = mPredicateFlags | other.mPredicateFlags;
+ return new_value;
}
void set(ENUM e, bool value)
@@ -81,19 +79,21 @@ namespace LLPredicate
modifyPredicate(0x1 << (S32)e, cPredicateFlagsFromEnum[e], value);
}
- void set(const Literal& other, bool value)
+ void set(const Value other, bool value)
{
U32 predicate_flags = other.mPredicateFlags;
while(predicate_flags)
{
U32 next_flags = clearLSB(predicate_flags);
lsb_flag = predicate_flags ^ next_flags;
+
U32 mask = 0;
for (S32 i = 0; i < cMaxEnum; i++)
{
if (cPredicateFlagsFromEnum[i] & lsb_flag)
{
mask |= cPredicateFlagsFromEnum[i];
+ modifyPredicate(0x1 << (0x1 << i ), cPredicateFlagsFromEnum[i], !value);
}
}
@@ -112,15 +112,25 @@ namespace LLPredicate
mPredicateFlags |= flags_with_predicate;
}
- void forget(const Literal& literal)
+ void forget(const Value value)
{
- set(literal, true);
+ set(value, true);
U32 flags_with_predicate = mPredicateFlags;
- set(literal, false);
+ set(value, false);
// ambiguous value is result of adding and removing predicate at the same time!
mPredicateFlags |= flags_with_predicate;
}
+ bool allSet() const
+ {
+ return mPredicateFlags == ~0;
+ }
+
+ bool noneSet() const
+ {
+ return mPredicateFlags == 0;
+ }
+
private:
predicate_flag_t clearLSB(predicate_flag_t value)
@@ -157,55 +167,69 @@ namespace LLPredicate
};
template<typename ENUM>
- struct Value
- : public Literal<ENUM>
- {
- public:
- Value(ENUM e)
- : Literal(e)
- {}
-
- Value()
- {}
- };
-
- template<typename ENUM>
class Rule
- : public Literal<ENUM>
{
public:
Rule(ENUM value)
- : Literal(value)
+ : mRule(value)
+ {}
+
+ Rule(const Rule& other)
+ : mRule(other.mRule)
{}
- Rule(const Literal other)
- : Literal(other)
+ Rule(const Value<ENUM> other)
+ : mRule(other)
{}
Rule()
{}
- bool check(const Value<ENUM>& value) const
+ bool check(const Value<ENUM> value) const
{
- return (value.mPredicateFlags & mPredicateFlags) != 0;
+ return !(mRule && value).noneSet();
}
bool isTriviallyTrue() const
{
- return mPredicateFlags == 0xFFFFffff;
+ return mRule.allSet();
}
bool isTriviallyFalse() const
{
- return mPredicateFlags == 0;
+ return mRule.noneSet();
+ }
+
+ Rule operator!() const
+ {
+ Rule new_rule;
+ new_rule.mRule = !mRule;
+ return new_rule;
}
+
+ Rule operator &&(const Rule other) const
+ {
+ Rule new_rule;
+ new_rule.mRule = mRule && other.mRule;
+ return new_rule;
+ }
+
+ Rule operator ||(const Rule other) const
+ {
+ Rule new_rule;
+ new_rule.mRule = mRule || other.mRule;
+ return new_rule;
+ }
+
+ private:
+ Value<ENUM> mRule;
};
}
template<typename ENUM>
-LLPredicate::Literal<ENUM> ll_predicate(ENUM e)
+LLPredicate::Value<ENUM> ll_predicate(ENUM e)
{
- return LLPredicate::Literal<ENUM>(e);
+ return LLPredicate::Value<ENUM>(e);
}