diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Support/YAMLTraits.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/llvm/Support/YAMLTraits.h b/include/llvm/Support/YAMLTraits.h index 0f57f44..98964fc 100644 --- a/include/llvm/Support/YAMLTraits.h +++ b/include/llvm/Support/YAMLTraits.h @@ -323,6 +323,7 @@ public: virtual bool preflightElement(unsigned, void *&) = 0; virtual void postflightElement(void*) = 0; virtual void endSequence() = 0; + virtual bool canElideEmptySequence() = 0; virtual unsigned beginFlowSequence() = 0; virtual bool preflightFlowElement(unsigned, void *&) = 0; @@ -388,7 +389,7 @@ public: typename llvm::enable_if_c<has_SequenceTraits<T>::value,void>::type mapOptional(const char* Key, T& Val) { // omit key/value instead of outputting empty sequence - if ( this->outputting() && !(Val.begin() != Val.end()) ) + if ( this->canElideEmptySequence() && !(Val.begin() != Val.end()) ) return; this->processKey(Key, Val, false); } @@ -715,6 +716,7 @@ private: virtual void endBitSetScalar(); virtual void scalarString(StringRef &); virtual void setError(const Twine &message); + virtual bool canElideEmptySequence(); class HNode { public: @@ -837,7 +839,7 @@ public: virtual void endBitSetScalar(); virtual void scalarString(StringRef &); virtual void setError(const Twine &message); - + virtual bool canElideEmptySequence(); public: // These are only used by operator<<. They could be private // if that templated operator could be made a friend. |