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Compare contents in SemanticContext::*::operator==

This commit is contained in:
Nathan Burles 2016-08-01 16:32:51 +01:00
parent 739bf3a756
commit 198da78c98
1 changed files with 23 additions and 16 deletions
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39
runtime/Cpp/runtime/src/atn/SemanticContext.cpp
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@ -65,14 +65,10 @@ size_t SemanticContext::Predicate::hashCode() const {
} }
bool SemanticContext::Predicate::operator == (const SemanticContext &other) const { bool SemanticContext::Predicate::operator == (const SemanticContext &other) const {
const Predicate *p = dynamic_cast<const Predicate*>(&other); if (this == &other)
if (p == nullptr)
return false;
if (this == p) {
return true; return true;
}
const Predicate *p = dynamic_cast<const Predicate*>(&other);
if (p == nullptr) if (p == nullptr)
return false; return false;
@ -116,14 +112,13 @@ size_t SemanticContext::PrecedencePredicate::hashCode() const {
} }
bool SemanticContext::PrecedencePredicate::operator == (const SemanticContext &other) const { bool SemanticContext::PrecedencePredicate::operator == (const SemanticContext &other) const {
if (this == &other)
return true;
const PrecedencePredicate *predicate = dynamic_cast<const PrecedencePredicate *>(&other); const PrecedencePredicate *predicate = dynamic_cast<const PrecedencePredicate *>(&other);
if (predicate == nullptr) if (predicate == nullptr)
return false; return false;
if (this == predicate) {
return true;
}
return precedence == predicate->precedence; return precedence == predicate->precedence;
} }
@ -172,15 +167,21 @@ std::vector<Ref<SemanticContext>> SemanticContext::AND::getOperands() const {
} }
bool SemanticContext::AND::operator == (const SemanticContext &other) const { bool SemanticContext::AND::operator == (const SemanticContext &other) const {
if (this == &other)
return true;
const AND *context = dynamic_cast<const AND *>(&other); const AND *context = dynamic_cast<const AND *>(&other);
if (context == nullptr) if (context == nullptr)
return false; return false;
if (this == context) { if (opnds == context->opnds)
return true; return true;
}
return opnds == context->opnds; for (auto opndIt = opnds.begin(), otherIt = context->opnds.begin(); opndIt < opnds.end(), otherIt < context->opnds.end(); ++opndIt, ++otherIt) {
if (*opndIt != *otherIt)
return false;
}
return true;
} }
size_t SemanticContext::AND::hashCode() const { size_t SemanticContext::AND::hashCode() const {
@ -275,15 +276,21 @@ std::vector<Ref<SemanticContext>> SemanticContext::OR::getOperands() const {
} }
bool SemanticContext::OR::operator == (const SemanticContext &other) const { bool SemanticContext::OR::operator == (const SemanticContext &other) const {
if (this == &other)
return true;
const OR *context = dynamic_cast<const OR *>(&other); const OR *context = dynamic_cast<const OR *>(&other);
if (context == nullptr) if (context == nullptr)
return false; return false;
if (this == context) { if (opnds == context->opnds)
return true; return true;
}
return opnds == context->opnds; for (auto opndIt = opnds.begin(), otherIt = context->opnds.begin(); opndIt < opnds.end(), otherIt < context->opnds.end(); ++opndIt, ++otherIt ) {
if (*opndIt != *otherIt)
return false;
}
return true;
} }
size_t SemanticContext::OR::hashCode() const { size_t SemanticContext::OR::hashCode() const {