diff options
Diffstat (limited to 'src/theory/logic_info.h')
| -rw-r--r-- | src/theory/logic_info.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/theory/logic_info.h b/src/theory/logic_info.h index 33a059bb9..7fa6e157f 100644 --- a/src/theory/logic_info.h +++ b/src/theory/logic_info.h @@ -87,6 +87,13 @@ public: */ LogicInfo(std::string logicString) throw(IllegalArgumentException); + /** + * Construct a LogicInfo from an SMT-LIB-like logic string. + * Throws an IllegalArgumentException if the logic string cannot + * be interpreted. + */ + LogicInfo(const char* logicString) throw(IllegalArgumentException); + // ACCESSORS /** @@ -224,8 +231,87 @@ public: /** Get a copy of this LogicInfo that is identical, but unlocked */ LogicInfo getUnlockedCopy() const; + // COMPARISON + + /** Are these two LogicInfos equal? */ + bool operator==(const LogicInfo& other) const { + Assert(isLocked() && other.isLocked(), "This LogicInfo isn't locked yet, and cannot be queried"); + for(theory::TheoryId id = theory::THEORY_FIRST; id < theory::THEORY_LAST; ++id) { + if(d_theories[id] != other.d_theories[id]) { + return false; + } + } + Assert(d_sharingTheories == other.d_sharingTheories, "LogicInfo internal inconsistency"); + if(isTheoryEnabled(theory::THEORY_ARITH)) { + return + d_integers == other.d_integers && + d_reals == other.d_reals && + d_linear == other.d_linear && + d_differenceLogic == other.d_differenceLogic; + } else { + return true; + } + } + /** Are these two LogicInfos disequal? */ + bool operator!=(const LogicInfo& other) const { + return !(*this == other); + } + /** Is this LogicInfo "greater than" (does it contain everything and more) the other? */ + bool operator>(const LogicInfo& other) const { + return *this >= other && *this != other; + } + /** Is this LogicInfo "less than" (does it contain strictly less) the other? */ + bool operator<(const LogicInfo& other) const { + return *this <= other && *this != other; + } + /** Is this LogicInfo "less than or equal" the other? */ + bool operator<=(const LogicInfo& other) const { + Assert(isLocked() && other.isLocked(), "This LogicInfo isn't locked yet, and cannot be queried"); + for(theory::TheoryId id = theory::THEORY_FIRST; id < theory::THEORY_LAST; ++id) { + if(d_theories[id] && !other.d_theories[id]) { + return false; + } + } + Assert(d_sharingTheories <= other.d_sharingTheories, "LogicInfo internal inconsistency"); + if(isTheoryEnabled(theory::THEORY_ARITH) && other.isTheoryEnabled(theory::THEORY_ARITH)) { + return + (!d_integers || other.d_integers) && + (!d_reals || other.d_reals) && + (d_linear || !other.d_linear) && + (d_differenceLogic || !other.d_differenceLogic); + } else { + return true; + } + } + /** Is this LogicInfo "greater than or equal" the other? */ + bool operator>=(const LogicInfo& other) const { + Assert(isLocked() && other.isLocked(), "This LogicInfo isn't locked yet, and cannot be queried"); + for(theory::TheoryId id = theory::THEORY_FIRST; id < theory::THEORY_LAST; ++id) { + if(!d_theories[id] && other.d_theories[id]) { + return false; + } + } + Assert(d_sharingTheories >= other.d_sharingTheories, "LogicInfo internal inconsistency"); + if(isTheoryEnabled(theory::THEORY_ARITH) && other.isTheoryEnabled(theory::THEORY_ARITH)) { + return + (d_integers || !other.d_integers) && + (d_reals || !other.d_reals) && + (!d_linear || other.d_linear) && + (!d_differenceLogic || other.d_differenceLogic); + } else { + return true; + } + } + + /** Are two LogicInfos comparable? That is, is one of <= or > true? */ + bool isComparableTo(const LogicInfo& other) const { + return *this <= other || *this >= other; + } + };/* class LogicInfo */ +std::ostream& operator<<(std::ostream& out, const LogicInfo& logic) CVC4_PUBLIC; + }/* CVC4 namespace */ #endif /* __CVC4__LOGIC_INFO_H */ |