X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FYAMLTraits.cpp;h=1e42b63e8d540063e43e6c60d751db6dec3e8b29;hb=fe532525cc4912ec0d1b4e91fa0396122dd087b3;hp=a31c31915a170eda5e8112190a092c8fc94efe45;hpb=ae3ce26f995f4747516a756f73d152c7188ff43b;p=oota-llvm.git

diff --git a/lib/Support/YAMLTraits.cpp b/lib/Support/YAMLTraits.cpp
index a31c31915a1..1e42b63e8d5 100644
--- a/lib/Support/YAMLTraits.cpp
+++ b/lib/Support/YAMLTraits.cpp
@@ -40,11 +40,17 @@ void IO::setContext(void *Context) {
 //  Input
 //===----------------------------------------------------------------------===//
 
-Input::Input(StringRef InputContent, void *Ctxt) : IO(Ctxt), CurrentNode(NULL) {
-  Strm = new Stream(InputContent, SrcMgr);
+Input::Input(StringRef InputContent, void *Ctxt) 
+  : IO(Ctxt), 
+    Strm(new Stream(InputContent, SrcMgr)),
+    CurrentNode(NULL) {
   DocIterator = Strm->begin();
 }
 
+Input::~Input() {
+  
+}
+
 error_code Input::error() {
   return EC;
 }
@@ -65,7 +71,8 @@ bool Input::setCurrentDocument() {
       ++DocIterator;
       return setCurrentDocument();
     }
-    CurrentNode = this->createHNodes(N);
+    TopNode.reset(this->createHNodes(N));
+    CurrentNode = TopNode.get();
     return true;
   }
   return false;
@@ -271,13 +278,13 @@ Input::HNode *Input::createHNodes(Node *N) {
     if (!StringStorage.empty()) {
       // Copy string to permanent storage
       unsigned Len = StringStorage.size();
-      char *Buf = Allocator.Allocate<char>(Len);
+      char *Buf = StringAllocator.Allocate<char>(Len);
       memcpy(Buf, &StringStorage[0], Len);
       KeyStr = StringRef(Buf, Len);
     }
-    return new (Allocator) ScalarHNode(N, KeyStr);
+    return new ScalarHNode(N, KeyStr);
   } else if (SequenceNode *SQ = dyn_cast<SequenceNode>(N)) {
-    SequenceHNode *SQHNode = new (Allocator) SequenceHNode(N);
+    SequenceHNode *SQHNode = new SequenceHNode(N);
     for (SequenceNode::iterator i = SQ->begin(), End = SQ->end(); i != End;
          ++i) {
       HNode *Entry = this->createHNodes(i);
@@ -287,7 +294,7 @@ Input::HNode *Input::createHNodes(Node *N) {
     }
     return SQHNode;
   } else if (MappingNode *Map = dyn_cast<MappingNode>(N)) {
-    MapHNode *mapHNode = new (Allocator) MapHNode(N);
+    MapHNode *mapHNode = new MapHNode(N);
     for (MappingNode::iterator i = Map->begin(), End = Map->end(); i != End;
          ++i) {
       ScalarNode *KeyScalar = dyn_cast<ScalarNode>(i->getKey());
@@ -296,7 +303,7 @@ Input::HNode *Input::createHNodes(Node *N) {
       if (!StringStorage.empty()) {
         // Copy string to permanent storage
         unsigned Len = StringStorage.size();
-        char *Buf = Allocator.Allocate<char>(Len);
+        char *Buf = StringAllocator.Allocate<char>(Len);
         memcpy(Buf, &StringStorage[0], Len);
         KeyStr = StringRef(Buf, Len);
       }
@@ -307,7 +314,7 @@ Input::HNode *Input::createHNodes(Node *N) {
     }
     return mapHNode;
   } else if (isa<NullNode>(N)) {
-    return new (Allocator) EmptyHNode(N);
+    return new EmptyHNode(N);
   } else {
     setError(N, "unknown node kind");
     return NULL;
@@ -315,7 +322,7 @@ Input::HNode *Input::createHNodes(Node *N) {
 }
 
 bool Input::MapHNode::isValidKey(StringRef Key) {
-  for (SmallVector<const char *, 6>::iterator i = ValidKeys.begin(),
+  for (SmallVectorImpl<const char *>::iterator i = ValidKeys.begin(),
        End = ValidKeys.end(); i != End; ++i) {
     if (Key.equals(*i))
       return true;
@@ -327,6 +334,22 @@ void Input::setError(const Twine &Message) {
   this->setError(CurrentNode, Message);
 }
 
+Input::MapHNode::~MapHNode() {
+  for (MapHNode::NameToNode::iterator i = Mapping.begin(), End = Mapping.end();
+                                                                i != End; ++i) {
+    delete i->second;
+  }
+}
+
+Input::SequenceHNode::~SequenceHNode() {
+  for (std::vector<HNode*>::iterator i = Entries.begin(), End = Entries.end();
+                                                                i != End; ++i) {
+    delete *i;
+  }
+}
+
+
+
 //===----------------------------------------------------------------------===//
 //  Output
 //===----------------------------------------------------------------------===//
@@ -411,8 +434,8 @@ void Output::postflightElement(void *) {
 }
 
 unsigned Output::beginFlowSequence() {
-  this->newLineCheck();
   StateStack.push_back(inFlowSeq);
+  this->newLineCheck();
   ColumnAtFlowStart = Column;
   output("[ ");
   NeedFlowSequenceComma = false;
@@ -516,7 +539,7 @@ void Output::output(StringRef s) {
 
 void Output::outputUpToEndOfLine(StringRef s) {
   this->output(s);
-  if (StateStack.back() != inFlowSeq)
+  if (StateStack.empty() || StateStack.back() != inFlowSeq)
     NeedsNewLine = true;
 }