diff options
author | Zachary Turner <zturner@google.com> | 2017-06-23 16:38:40 +0000 |
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committer | Zachary Turner <zturner@google.com> | 2017-06-23 16:38:40 +0000 |
commit | 36e5ba3f322320f38ebceccbca2024ca3c3995e2 (patch) | |
tree | 08a4208726e1b8dffe9fe3ef5fe063958b877f7b /lib/Support | |
parent | d9be98a70d9cd2cf4b1be1c2ce16115d1534a920 (diff) |
Add a BinarySubstreamRef, and a method to read one.
This is essentially just a BinaryStreamRef packaged with an
offset and the logic for reading one is no different than the
logic for reading a BinaryStreamRef, except that we save the
current offset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306122 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
-rw-r--r-- | lib/Support/BinaryStreamReader.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Support/BinaryStreamReader.cpp b/lib/Support/BinaryStreamReader.cpp index bfb658cfa0b7..e00527f2519e 100644 --- a/lib/Support/BinaryStreamReader.cpp +++ b/lib/Support/BinaryStreamReader.cpp @@ -109,6 +109,12 @@ Error BinaryStreamReader::readStreamRef(BinaryStreamRef &Ref, uint32_t Length) { return Error::success(); } +Error BinaryStreamReader::readSubstream(BinarySubstreamRef &Stream, + uint32_t Size) { + Stream.Offset = getOffset(); + return readStreamRef(Stream.StreamData, Size); +} + Error BinaryStreamReader::skip(uint32_t Amount) { if (Amount > bytesRemaining()) return make_error<BinaryStreamError>(stream_error_code::stream_too_short); |