Make a major API change to BitstreamReader: split all the reading

state out of the BitstreamReader class into a BitstreamCursor class.
Doing this allows the client to have multiple cursors into the same
file, each with potentially different live block stacks and
abbreviation records.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70157 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 3 deletions

diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
index 4832a4c..182404c 100644
--- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
+++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -262,7 +262,7 @@ static bool Error(const std::string &Err) {
 }
 
 /// ParseBlock - Read a block, updating statistics, etc.
-static bool ParseBlock(BitstreamReader &Stream, unsigned IndentLevel) {
+static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) {
   std::string Indent(IndentLevel*2, ' ');
   uint64_t BlockBitStart = Stream.GetCurrentBitNo();
   unsigned BlockID = Stream.ReadSubBlockID();
@@ -420,8 +420,8 @@ static int AnalyzeBitcode() {
     if (SkipBitcodeWrapperHeader(BufPtr, EndBufPtr))
       return Error("Invalid bitcode wrapper header");
   
-  BitstreamReader Stream(BufPtr, EndBufPtr);
-
+  BitstreamReader StreamFile(BufPtr, EndBufPtr);
+  BitstreamCursor Stream(StreamFile);
   
   // Read the stream signature.
   char Signature[6];