[Support] json::OStream::flush(), which passes through to the underlying stream
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359190 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Support/JSON.h b/include/llvm/Support/JSON.h
index ebda4e8..fb6a6d4 100644
--- a/include/llvm/Support/JSON.h
+++ b/include/llvm/Support/JSON.h
@@ -751,7 +751,6 @@
class OStream {
public:
using Block = llvm::function_ref<void()>;
- // OStream does not buffer internally, and need never be flushed or destroyed.
// If IndentSize is nonzero, output is pretty-printed.
explicit OStream(llvm::raw_ostream &OS, unsigned IndentSize = 0)
: OS(OS), IndentSize(IndentSize) {
@@ -763,6 +762,9 @@
assert(Stack.back().HasValue && "Did not write top-level value");
}
+ /// Flushes the underlying ostream. OStream does not buffer internally.
+ void flush() { OS.flush(); }
+
// High level functions to output a value.
// Valid at top-level (exactly once), in an attribute value (exactly once),
// or in an array (any number of times).
