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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /tools/jprof/intcnt.cpp
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/jprof/intcnt.cpp')
-rw-r--r--tools/jprof/intcnt.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/jprof/intcnt.cpp b/tools/jprof/intcnt.cpp
new file mode 100644
index 0000000000..a87b6ccf74
--- /dev/null
+++ b/tools/jprof/intcnt.cpp
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+/* 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/. */
+
+#include "intcnt.h"
+
+IntCount::IntCount() : numInts(0), iPair(nullptr) {}
+IntCount::~IntCount() { delete[] iPair; }
+int IntCount::getSize() { return numInts; }
+int IntCount::getCount(int pos) { return iPair[pos].cnt; }
+int IntCount::getIndex(int pos) { return iPair[pos].idx; }
+
+void IntCount::clear() {
+ delete[] iPair;
+ iPair = new IntPair[0];
+ numInts = 0;
+}
+
+int IntCount::countAdd(int index, int increment) {
+ if (numInts) {
+ // Do a binary search to find the element
+ int divPoint = 0;
+
+ if (index > iPair[numInts - 1].idx) {
+ divPoint = numInts;
+ } else if (index < iPair[0].idx) {
+ divPoint = 0;
+ } else {
+ int low = 0, high = numInts - 1;
+ int mid = (low + high) / 2;
+ while (1) {
+ mid = (low + high) / 2;
+
+ if (index < iPair[mid].idx) {
+ high = mid;
+ } else if (index > iPair[mid].idx) {
+ if (mid < numInts - 1 && index < iPair[mid + 1].idx) {
+ divPoint = mid + 1;
+ break;
+ } else {
+ low = mid + 1;
+ }
+ } else if (index == iPair[mid].idx) {
+ return iPair[mid].cnt += increment;
+ }
+ }
+ }
+
+ int i;
+ IntPair* tpair = new IntPair[numInts + 1];
+ for (i = 0; i < divPoint; i++) {
+ tpair[i] = iPair[i];
+ }
+ for (i = divPoint; i < numInts; i++) {
+ tpair[i + 1] = iPair[i];
+ }
+ ++numInts;
+ delete[] iPair;
+ iPair = tpair;
+ iPair[divPoint].idx = index;
+ iPair[divPoint].cnt = increment;
+ return increment;
+ } else {
+ iPair = new IntPair[1];
+ numInts = 1;
+ iPair[0].idx = index;
+ return iPair[0].cnt = increment;
+ }
+}