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// Copyright 2017 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.
function inherits(childCtor, parentCtor) {
childCtor.prototype.__proto__ = parentCtor.prototype;
};
/**
* A thin wrapper around shell's 'read' function showing a file name on error.
*/
function readFile(fileName) {
try {
return read(fileName);
} catch (e) {
print(fileName + ': ' + (e.message || e));
throw e;
}
}
/**
* Parser for dynamic code optimization state.
*/
function parseState(s) {
switch (s) {
case "": return Profile.CodeState.COMPILED;
case "~": return Profile.CodeState.OPTIMIZABLE;
case "*": return Profile.CodeState.OPTIMIZED;
}
throw new Error("unknown code state: " + s);
}
function IcProcessor() {
var propertyICParser = [parseInt, parseInt, parseInt, null, null, parseInt,
null, null, null];
LogReader.call(this, {
'code-creation': {
parsers: [null, parseInt, parseInt, parseInt, parseInt, null, 'var-args'],
processor: this.processCodeCreation },
'code-move': { parsers: [parseInt, parseInt],
processor: this.processCodeMove },
'code-delete': { parsers: [parseInt],
processor: this.processCodeDelete },
'sfi-move': { parsers: [parseInt, parseInt],
processor: this.processFunctionMove },
'LoadIC': {
parsers : propertyICParser,
processor: this.processPropertyIC.bind(this, "LoadIC") },
'StoreIC': {
parsers : propertyICParser,
processor: this.processPropertyIC.bind(this, "StoreIC") },
'KeyedLoadIC': {
parsers : propertyICParser,
processor: this.processPropertyIC.bind(this, "KeyedLoadIC") },
'KeyedStoreIC': {
parsers : propertyICParser,
processor: this.processPropertyIC.bind(this, "KeyedStoreIC") },
});
this.deserializedEntriesNames_ = [];
this.profile_ = new Profile();
this.LoadIC = 0;
this.StoreIC = 0;
this.KeyedLoadIC = 0;
this.KeyedStoreIC = 0;
}
inherits(IcProcessor, LogReader);
/**
* @override
*/
IcProcessor.prototype.printError = function(str) {
print(str);
};
IcProcessor.prototype.processString = function(string) {
var end = string.length;
var current = 0;
var next = 0;
var line;
var i = 0;
var entry;
while (current < end) {
next = string.indexOf("\n", current);
if (next === -1) break;
i++;
line = string.substring(current, next);
current = next + 1;
this.processLogLine(line);
}
}
IcProcessor.prototype.processLogFile = function(fileName) {
this.collectEntries = true
this.lastLogFileName_ = fileName;
var line;
while (line = readline()) {
this.processLogLine(line);
}
print();
print("=====================");
print("Load: " + this.LoadIC);
print("Store: " + this.StoreIC);
print("KeyedLoad: " + this.KeyedLoadIC);
print("KeyedStore: " + this.KeyedStoreIC);
};
IcProcessor.prototype.addEntry = function(entry) {
this.entries.push(entry);
}
IcProcessor.prototype.processCodeCreation = function(
type, kind, timestamp, start, size, name, maybe_func) {
name = this.deserializedEntriesNames_[start] || name;
if (name.startsWith("onComplete")) {
console.log(name);
}
if (maybe_func.length) {
var funcAddr = parseInt(maybe_func[0]);
var state = parseState(maybe_func[1]);
this.profile_.addFuncCode(type, name, timestamp, start, size, funcAddr, state);
} else {
this.profile_.addCode(type, name, timestamp, start, size);
}
};
IcProcessor.prototype.processCodeMove = function(from, to) {
this.profile_.moveCode(from, to);
};
IcProcessor.prototype.processCodeDelete = function(start) {
this.profile_.deleteCode(start);
};
IcProcessor.prototype.processFunctionMove = function(from, to) {
this.profile_.moveFunc(from, to);
};
IcProcessor.prototype.formatName = function(entry) {
if (!entry) return "<unknown>"
var name = entry.func.getName();
var re = /(.*):[0-9]+:[0-9]+$/;
var array = re.exec(name);
if (!array) return name;
return entry.getState() + array[1];
}
IcProcessor.prototype.processPropertyIC = function (
type, pc, line, column, old_state, new_state, map, name, modifier,
slow_reason) {
this[type]++;
var entry = this.profile_.findEntry(pc);
print(type + " (" + old_state + "->" + new_state + modifier + ") at " +
this.formatName(entry) + ":" + line + ":" + column + " " + name +
" (map 0x" + map.toString(16) + ")" +
(slow_reason ? " " + slow_reason : ""));
}
class ArgumentsProcessor extends BaseArgumentsProcessor {
getArgsDispatch() {
return {
'--range': ['range', 'auto,auto',
'Specify the range limit as [start],[end]'],
'--source-map': ['sourceMap', null,
'Specify the source map that should be used for output']
};
}
getDefaultResults() {
return {
logFileName: 'v8.log',
range: 'auto,auto',
};
}
}
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