Move ObjectYAML code to a new library.
It is only ever used by obj2yaml and yaml2obj. No point in linking it
everywhere.
llvm-svn: 262368
diff --git a/llvm/lib/ObjectYAML/YAML.cpp b/llvm/lib/ObjectYAML/YAML.cpp
new file mode 100644
index 0000000..75cf1fb
--- /dev/null
+++ b/llvm/lib/ObjectYAML/YAML.cpp
@@ -0,0 +1,61 @@
+//===- YAML.cpp - YAMLIO utilities for object files -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines utility classes for handling the YAML representation of
+// object files.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ObjectYAML/YAML.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cctype>
+
+using namespace llvm;
+
+void yaml::ScalarTraits<yaml::BinaryRef>::output(
+ const yaml::BinaryRef &Val, void *, llvm::raw_ostream &Out) {
+ Val.writeAsHex(Out);
+}
+
+StringRef yaml::ScalarTraits<yaml::BinaryRef>::input(StringRef Scalar, void *,
+ yaml::BinaryRef &Val) {
+ if (Scalar.size() % 2 != 0)
+ return "BinaryRef hex string must contain an even number of nybbles.";
+ // TODO: Can we improve YAMLIO to permit a more accurate diagnostic here?
+ // (e.g. a caret pointing to the offending character).
+ for (unsigned I = 0, N = Scalar.size(); I != N; ++I)
+ if (!isxdigit(Scalar[I]))
+ return "BinaryRef hex string must contain only hex digits.";
+ Val = yaml::BinaryRef(Scalar);
+ return StringRef();
+}
+
+void yaml::BinaryRef::writeAsBinary(raw_ostream &OS) const {
+ if (!DataIsHexString) {
+ OS.write((const char *)Data.data(), Data.size());
+ return;
+ }
+ for (unsigned I = 0, N = Data.size(); I != N; I += 2) {
+ uint8_t Byte;
+ StringRef((const char *)&Data[I], 2).getAsInteger(16, Byte);
+ OS.write(Byte);
+ }
+}
+
+void yaml::BinaryRef::writeAsHex(raw_ostream &OS) const {
+ if (binary_size() == 0)
+ return;
+ if (DataIsHexString) {
+ OS.write((const char *)Data.data(), Data.size());
+ return;
+ }
+ for (uint8_t Byte : Data)
+ OS << hexdigit(Byte >> 4) << hexdigit(Byte & 0xf);
+}