summaryrefslogtreecommitdiff
path: root/src/3rdparty/v8/tools/logreader.js
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/v8/tools/logreader.js')
-rw-r--r--src/3rdparty/v8/tools/logreader.js184
1 files changed, 0 insertions, 184 deletions
diff --git a/src/3rdparty/v8/tools/logreader.js b/src/3rdparty/v8/tools/logreader.js
deleted file mode 100644
index a8141da..0000000
--- a/src/3rdparty/v8/tools/logreader.js
+++ /dev/null
@@ -1,184 +0,0 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-/**
- * @fileoverview Log Reader is used to process log file produced by V8.
- */
-
-
-/**
- * Base class for processing log files.
- *
- * @param {Array.<Object>} dispatchTable A table used for parsing and processing
- * log records.
- * @constructor
- */
-function LogReader(dispatchTable) {
- /**
- * @type {Array.<Object>}
- */
- this.dispatchTable_ = dispatchTable;
-
- /**
- * Current line.
- * @type {number}
- */
- this.lineNum_ = 0;
-
- /**
- * CSV lines parser.
- * @type {CsvParser}
- */
- this.csvParser_ = new CsvParser();
-};
-
-
-/**
- * Used for printing error messages.
- *
- * @param {string} str Error message.
- */
-LogReader.prototype.printError = function(str) {
- // Do nothing.
-};
-
-
-/**
- * Processes a portion of V8 profiler event log.
- *
- * @param {string} chunk A portion of log.
- */
-LogReader.prototype.processLogChunk = function(chunk) {
- this.processLog_(chunk.split('\n'));
-};
-
-
-/**
- * Processes a line of V8 profiler event log.
- *
- * @param {string} line A line of log.
- */
-LogReader.prototype.processLogLine = function(line) {
- this.processLog_([line]);
-};
-
-
-/**
- * Processes stack record.
- *
- * @param {number} pc Program counter.
- * @param {number} func JS Function.
- * @param {Array.<string>} stack String representation of a stack.
- * @return {Array.<number>} Processed stack.
- */
-LogReader.prototype.processStack = function(pc, func, stack) {
- var fullStack = func ? [pc, func] : [pc];
- var prevFrame = pc;
- for (var i = 0, n = stack.length; i < n; ++i) {
- var frame = stack[i];
- var firstChar = frame.charAt(0);
- if (firstChar == '+' || firstChar == '-') {
- // An offset from the previous frame.
- prevFrame += parseInt(frame, 16);
- fullStack.push(prevFrame);
- // Filter out possible 'overflow' string.
- } else if (firstChar != 'o') {
- fullStack.push(parseInt(frame, 16));
- }
- }
- return fullStack;
-};
-
-
-/**
- * Returns whether a particular dispatch must be skipped.
- *
- * @param {!Object} dispatch Dispatch record.
- * @return {boolean} True if dispatch must be skipped.
- */
-LogReader.prototype.skipDispatch = function(dispatch) {
- return false;
-};
-
-
-/**
- * Does a dispatch of a log record.
- *
- * @param {Array.<string>} fields Log record.
- * @private
- */
-LogReader.prototype.dispatchLogRow_ = function(fields) {
- // Obtain the dispatch.
- var command = fields[0];
- if (!(command in this.dispatchTable_)) return;
-
- var dispatch = this.dispatchTable_[command];
-
- if (dispatch === null || this.skipDispatch(dispatch)) {
- return;
- }
-
- // Parse fields.
- var parsedFields = [];
- for (var i = 0; i < dispatch.parsers.length; ++i) {
- var parser = dispatch.parsers[i];
- if (parser === null) {
- parsedFields.push(fields[1 + i]);
- } else if (typeof parser == 'function') {
- parsedFields.push(parser(fields[1 + i]));
- } else {
- // var-args
- parsedFields.push(fields.slice(1 + i));
- break;
- }
- }
-
- // Run the processor.
- dispatch.processor.apply(this, parsedFields);
-};
-
-
-/**
- * Processes log lines.
- *
- * @param {Array.<string>} lines Log lines.
- * @private
- */
-LogReader.prototype.processLog_ = function(lines) {
- for (var i = 0, n = lines.length; i < n; ++i, ++this.lineNum_) {
- var line = lines[i];
- if (!line) {
- continue;
- }
- try {
- var fields = this.csvParser_.parseLine(line);
- this.dispatchLogRow_(fields);
- } catch (e) {
- this.printError('line ' + (this.lineNum_ + 1) + ': ' + (e.message || e));
- }
- }
-};