1 files changed, 39 insertions, 0 deletions
diff --git a/tools/jprof/intcnt.h b/tools/jprof/intcnt.h
new file mode 100644
index 0000000000..3c5820965a
--- /dev/null
+++ b/tools/jprof/intcnt.h
@@ -0,0 +1,39 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef INTCNT_H
+#define INTCNT_H
+
+class IntCount {
+ public:
+  IntCount();
+  ~IntCount();
+  void clear();
+  int countAdd(int index, int increment = 1);
+  int countGet(int index);
+  int getSize();
+  int getCount(int pos);
+  int getIndex(int pos);
+
+  IntCount(const IntCount& old) {
+    numInts = old.numInts;
+    if (numInts > 0) {
+      iPair = new IntPair[numInts];
+      for (int i = 0; i < numInts; i++) {
+        iPair[i] = old.iPair[i];
+      }
+    } else {
+      iPair = nullptr;
+    }
+  }
+
+ private:
+  int numInts;
+  struct IntPair {
+    int idx;
+    int cnt;
+  } * iPair;
+};
+
+#endif