X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FTGLexer.cpp;h=0d83e7cdf1bbbb5935717fa039c48effafd4adf5;hb=4dd82f6aaa483ef11bd74795c81cfc30b52821af;hp=9fa696e8cbe2cc77d212dd0d50ebbb29ce6cadd1;hpb=3060910e290949a9ac5eda8726d030790c4d60ff;p=oota-llvm.git

diff --git a/utils/TableGen/TGLexer.cpp b/utils/TableGen/TGLexer.cpp
index 9fa696e8cbe..0d83e7cdf1b 100644
--- a/utils/TableGen/TGLexer.cpp
+++ b/utils/TableGen/TGLexer.cpp
@@ -17,6 +17,10 @@
 #include <ostream>
 #include "llvm/Config/config.h"
 #include <cctype>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cerrno>
 using namespace llvm;
 
 TGLexer::TGLexer(MemoryBuffer *StartBuf) : CurLineNo(1), CurBuf(StartBuf) {
@@ -254,12 +258,12 @@ bool TGLexer::LexInclude() {
   std::string Filename = CurStrVal;
 
   // Try to find the file.
-  MemoryBuffer *NewBuf = MemoryBuffer::getFile(&Filename[0], Filename.size());
+  MemoryBuffer *NewBuf = MemoryBuffer::getFile(Filename.c_str());
 
   // If the file didn't exist directly, see if it's in an include path.
   for (unsigned i = 0, e = IncludeDirectories.size(); i != e && !NewBuf; ++i) {
     std::string IncFile = IncludeDirectories[i] + "/" + Filename;
-    NewBuf = MemoryBuffer::getFile(&IncFile[0], IncFile.size());
+    NewBuf = MemoryBuffer::getFile(IncFile.c_str());
   }
     
   if (NewBuf == 0) {
@@ -340,7 +344,18 @@ tgtok::TokKind TGLexer::LexNumber() {
       if (CurPtr == NumStart)
         return ReturnError(CurPtr-2, "Invalid hexadecimal number");
 
+      errno = 0;
       CurIntVal = strtoll(NumStart, 0, 16);
+      if (errno == EINVAL)
+        return ReturnError(CurPtr-2, "Invalid hexadecimal number");
+      if (errno == ERANGE) {
+        errno = 0;
+        CurIntVal = (int64_t)strtoull(NumStart, 0, 16);
+        if (errno == EINVAL)
+          return ReturnError(CurPtr-2, "Invalid hexadecimal number");
+        if (errno == ERANGE)
+          return ReturnError(CurPtr-2, "Hexadecimal number out of range");
+      }
       return tgtok::IntVal;
     } else if (CurPtr[0] == 'b') {
       ++CurPtr;