Add simple support for tags in YAML I/O
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194644 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/YAMLTraits.cpp b/lib/Support/YAMLTraits.cpp
index 19eaed1..415424e 100644
--- a/lib/Support/YAMLTraits.cpp
+++ b/lib/Support/YAMLTraits.cpp
@@ -81,6 +81,16 @@
void Input::nextDocument() {
++DocIterator;
}
+
+bool Input::mapTag(StringRef Tag, bool Default) {
+ StringRef foundTag = CurrentNode->_node->getVerbatimTag();
+ if (foundTag.empty()) {
+ // If no tag found and 'Tag' is the default, say it was found.
+ return Default;
+ }
+ // Return true iff found tag matches supplied tag.
+ return Tag.equals(foundTag);
+}
void Input::beginMapping() {
if (EC)
@@ -381,6 +391,14 @@
NeedsNewLine = true;
}
+bool Output::mapTag(StringRef Tag, bool Use) {
+ if (Use) {
+ this->output(" ");
+ this->output(Tag);
+ }
+ return Use;
+}
+
void Output::endMapping() {
StateStack.pop_back();
}