[compiler-rt] 6114579 - [NFC][sanitizer] Extend ArrayRef

[Vitaly Buka via llvm-commits]

Author: Vitaly Buka
Date: 2023-05-30T19:19:33-07:00
New Revision: 6114579b609a560c504d80337d992223a095a685

URL: https://github.com/llvm/llvm-project/commit/6114579b609a560c504d80337d992223a095a685
DIFF: https://github.com/llvm/llvm-project/commit/6114579b609a560c504d80337d992223a095a685.diff

LOG: [NFC][sanitizer] Extend ArrayRef

Added: 
    

Modified: 
    compiler-rt/lib/sanitizer_common/sanitizer_common.h

Removed: 
    


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diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_common.h b/compiler-rt/lib/sanitizer_common/sanitizer_common.h
index afd1a786d5d33..d43e066ca1b9b 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common.h
@@ -1085,12 +1085,19 @@ class ArrayRef {
   ArrayRef() {}
   ArrayRef(T *begin, T *end) : begin_(begin), end_(end) {}
 
-  T *begin() { return begin_; }
-  T *end() { return end_; }
+  template <typename C>
+  ArrayRef(const C &src) : begin_(src.begin()), end_(src.end()) {}
+
+  const T *begin() const { return begin_; }
+  const T *end() const { return end_; }
+
+  bool empty() const { return begin_ == end_; }
+
+  uptr size() const { return end_ - begin_; }
 
  private:
-  T *begin_ = nullptr;
-  T *end_ = nullptr;
+  const T *begin_ = nullptr;
+  const T *end_ = nullptr;
 };
 
 }  // namespace __sanitizer