1 files changed, 60 insertions, 0 deletions
diff --git a/deps/v8/tools/system-analyzer/log/ic.mjs b/deps/v8/tools/system-analyzer/log/ic.mjs
new file mode 100644
index 0000000000..5001e60c36
--- /dev/null
+++ b/deps/v8/tools/system-analyzer/log/ic.mjs
@@ -0,0 +1,60 @@
+// Copyright 2020 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+import { Event } from './log.mjs';
+
+class IcLogEvent extends Event {
+  constructor(
+    type, fn_file, time, line, column, key, oldState, newState, map, reason,
+    script, additional) {
+    super(type, time);
+    this.category = 'other';
+    if (this.type.indexOf('Store') !== -1) {
+      this.category = 'Store';
+    } else if (this.type.indexOf('Load') !== -1) {
+      this.category = 'Load';
+    }
+    let parts = fn_file.split(' ');
+    this.functionName = parts[0];
+    this.file = parts[1];
+    let position = line + ':' + column;
+    this.filePosition = this.file + ':' + position;
+    this.oldState = oldState;
+    this.newState = newState;
+    this.state = this.oldState + ' → ' + this.newState;
+    this.key = key;
+    this.map = map;
+    this.reason = reason;
+    this.additional = additional;
+    this.script = script;
+  }
+
+
+  parseMapProperties(parts, offset) {
+    let next = parts[++offset];
+    if (!next.startsWith('dict')) return offset;
+    this.propertiesMode = next.substr(5) == '0' ? 'fast' : 'slow';
+    this.numberOfOwnProperties = parts[++offset].substr(4);
+    next = parts[++offset];
+    this.instanceType = next.substr(5, next.length - 6);
+    return offset;
+  }
+
+  parsePositionAndFile(parts, start) {
+    // find the position of 'at' in the parts array.
+    let offset = start;
+    for (let i = start + 1; i < parts.length; i++) {
+      offset++;
+      if (parts[i] == 'at') break;
+    }
+    if (parts[offset] !== 'at') return -1;
+    this.position = parts.slice(start, offset).join(' ');
+    offset += 1;
+    this.isNative = parts[offset] == 'native'
+    offset += this.isNative ? 1 : 0;
+    this.file = parts[offset];
+    return offset;
+  }
+}
+
+export { IcLogEvent };