#ifndef SUPPORT_SMLOC_H
#define SUPPORT_SMLOC_H
+#include <cassert>
+
namespace llvm {
-// SMLoc - Represents a location in source code.
+/// SMLoc - Represents a location in source code.
class SMLoc {
const char *Ptr;
public:
}
};
-}
+/// SMRange - Represents a range in source code. Note that unlike standard STL
+/// ranges, the locations specified are considered to be *inclusive*. For
+/// example, [X,X] *does* include X, it isn't an empty range.
+class SMRange {
+public:
+ SMLoc Start, End;
+
+ SMRange() {}
+ SMRange(SMLoc Start, SMLoc End) : Start(Start), End(End) {
+ assert(Start.isValid() == End.isValid() &&
+ "Start and end should either both be valid or both be invalid!");
+ }
+
+ bool isValid() const { return Start.isValid(); }
+};
+
+} // end namespace llvm
#endif