[llvm-commits] [llvm] r68471 - /llvm/trunk/include/llvm/Bitcode/BitstreamReader.h

[Chris Lattner]

Author: lattner
Date: Mon Apr  6 17:43:46 2009
New Revision: 68471

URL: http://llvm.org/viewvc/llvm-project?rev=68471&view=rev
Log:
allow clients to look up abbrev id's

Modified:
    llvm/trunk/include/llvm/Bitcode/BitstreamReader.h

Modified: llvm/trunk/include/llvm/Bitcode/BitstreamReader.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/BitstreamReader.h?rev=68471&r1=68470&r2=68471&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Bitcode/BitstreamReader.h (original)
+++ llvm/trunk/include/llvm/Bitcode/BitstreamReader.h Mon Apr  6 17:43:46 2009
@@ -363,6 +363,14 @@
     }
   }
 public:
+
+  /// getAbbrev - Return the abbreviation for the specified AbbrevId. 
+  const BitCodeAbbrev *getAbbrev(unsigned AbbrevID) {
+    unsigned AbbrevNo = AbbrevID-bitc::FIRST_APPLICATION_ABBREV;
+    assert(AbbrevNo < CurAbbrevs.size() && "Invalid abbrev #!");
+    return CurAbbrevs[AbbrevNo];
+  }
+  
   unsigned ReadRecord(unsigned AbbrevID, SmallVectorImpl<uint64_t> &Vals) {
     if (AbbrevID == bitc::UNABBREV_RECORD) {
       unsigned Code = ReadVBR(6);
@@ -372,9 +380,7 @@
       return Code;
     }
 
-    unsigned AbbrevNo = AbbrevID-bitc::FIRST_APPLICATION_ABBREV;
-    assert(AbbrevNo < CurAbbrevs.size() && "Invalid abbrev #!");
-    BitCodeAbbrev *Abbv = CurAbbrevs[AbbrevNo];
+    const BitCodeAbbrev *Abbv = getAbbrev(AbbrevID);
 
     for (unsigned i = 0, e = Abbv->getNumOperandInfos(); i != e; ++i) {
       const BitCodeAbbrevOp &Op = Abbv->getOperandInfo(i);