Example usage for com.google.gwt.core.client JsArrayString length

Introduction

In this page you can find the example usage for com.google.gwt.core.client JsArrayString length.

Prototype

public final native int length() ;

Source Link

Document

Gets the length of the array.

Usage

From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Given an array of the fields in a single log line, execute the appropriate
 * action on that entry based on the first field.
 *//*from w w  w  .ja  v  a2  s .  c  o m*/
private void parseLogEntry(JsArrayString logEntries) {
    if (logEntries.length() == 0) {
        return;
    }
    String command = logEntries.get(0);
    if (command.length() == 0) {
        return;
    }
    LogAction cmdMethod = logActions.get(actionTypeMap.get(command));
    if (cmdMethod != null) {
        cmdMethod.doAction(logEntries);
    } else if (ClientConfig.isDebugMode()) {
        Logging.getLogger().logText("Unknown v8 profiler command: " + command);
    }
}

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From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Process an 'alias' command. Simply aliases a command to a different string.
 * The format of this log entry is://from w w  w .j  a v a  2  s .  c  o  m
 * 
 * alias, aliasName, originalName
 */
private void parseV8AliasEntry(JsArrayString logEntries) {
    assert logEntries.length() == 3;

    String originalName = logEntries.get(2);
    String aliasName = logEntries.get(1);

    V8SymbolType symbol = symbolTypeMap.get(originalName);
    if (symbol != null) {
        symbolTypeMap.put(aliasName, symbol);
    } else {
        ActionType action = actionTypeMap.get(originalName);
        if (action != null) {
            actionTypeMap.put(aliasName, action);
        } else if (ClientConfig.isDebugMode()) {
            Logging.getLogger().logText(
                    "Unable to find command: '" + logEntries.get(2) + "' to match alias: " + logEntries.get(1));
        }
    }
}

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From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * New code was added to the virtual machine. The format of this log entry is:
 * //  w  w w .j  av a 2  s . c o m
 * code-creation, symbolType, offset, length, "symbolName"
 * 
 * e.g. code-creation,lic,-5910913e,179,"parentNode"
 * 
 */
private void parseV8CodeCreationEntry(JsArrayString logEntries) {
    assert logEntries.length() == 5;
    V8SymbolType symbolType = symbolTypeMap.get(logEntries.get(1));

    String name = logEntries.get(4);

    double address = parseAddress(logEntries.get(2), ADDRESS_TAG_CODE);
    int executableSize = Integer.parseInt(logEntries.get(3));

    // Keep some debugging stats around
    V8Symbol found = symbolTable.lookup(address);

    if (found != null) {
        debugStats.addCollisions++;
    }

    V8Symbol symbol = new V8Symbol(scrubStringForXSS(name), symbolType, address, executableSize);

    // We have a heuristic for finding the resource for a Code Creation for
    // functions. The symbol name and function length. It is just a guess, seems
    // to work, and its better than not knowing 100% of the time where a symbol
    // comes from.
    if (symbolType.getValue() == SYMBOL_TYPE_LAZY_COMPILE) {
        lazyCompiledSymbols.put(symbol.getJsSymbol().getSymbolName() + symbol.getAddressSpan().addressLength,
                symbol);
    }

    if (symbolType.getValue() == SYMBOL_TYPE_FUNCTION) {
        V8Symbol lazySymbol = lazyCompiledSymbols
                .get(symbol.getJsSymbol().getSymbolName() + symbol.getAddressSpan().addressLength);
        if (lazySymbol != null) {
            symbol.getJsSymbol().merge(lazySymbol.getJsSymbol());
        }
    }

    symbolTable.add(symbol);
}

---

From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Process a code-delete entry in the log.
 * //from   w w  w  .ja v a2s .co  m
 * The format of this entry is:
 * 
 * code-delete, address
 */
private void parseV8CodeDeleteEntry(JsArrayString logEntries) {
    assert logEntries.length() == 2;
    double address = parseAddress(logEntries.get(1), ADDRESS_TAG_CODE);
    V8Symbol symbol = symbolTable.lookup(address);
    if (symbol != null) {
        symbolTable.remove(symbol);
    } else {
        // update debugging stats
        debugStats.removeMisses++;
    }
}

---

From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Process a code-move entry.//w  ww .ja va  2 s  . c om
 * 
 * The format of this entry is:
 * 
 * code-move, fromAddress, toAddress
 */
private void parseV8CodeMoveEntry(JsArrayString logEntries) {
    assert logEntries.length() == 3;
    double fromAddress = parseAddress(logEntries.get(1), ADDRESS_TAG_CODE);
    double toAddress = parseAddress(logEntries.get(2), ADDRESS_TAG_CODE_MOVE);
    V8Symbol symbol = symbolTable.lookup(fromAddress);
    if (symbol != null) {
        symbolTable.remove(symbol);
        symbol.getAddressSpan().setAddress(toAddress);
        symbolTable.add(symbol);
    } else {
        // update debugging stats
        debugStats.moveMisses++;
    }
}

---

From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Process a tick entry in the v8 log. The format of this log entry is:
 * /*w  w w .  ja  v a  2  s .  c  o  m*/
 * command, codeOffset, stackOffset, type, <codeOffset2, <codeOffset3, <...>>>
 * 
 * e.g.: t,-7364bb,+45c,0
 */
private void parseV8TickEntry(JsArrayString logEntries) {
    assert logEntries.length() >= 4;
    double address = parseAddress(logEntries.get(1), ADDRESS_TAG_CODE);
    // stack address is currently ignored, but it must be parsed to keep the
    // stack address tag up to date if anyone else ever wants to use it.
    // double stackAddress = parseAddress(logEntries.get(2), ADDRESS_TAG_STACK);
    int vmState = Integer.parseInt(logEntries.get(3));
    currentProfile.addStateTime(vmState, 1.0);

    List<V8Symbol> symbols = new ArrayList<V8Symbol>();
    V8Symbol found = symbolTable.lookup(address);
    if (found != null) {
        symbols.add(found);
    }
    addressTags.put(ADDRESS_TAG_SCRATCH, address);
    for (int i = 4; i < logEntries.length(); ++i) {
        address = parseAddress(logEntries.get(i), ADDRESS_TAG_SCRATCH);
        found = symbolTable.lookup(address);
        if (found != null) {
            symbols.add(found);
        }
    }

    updateFlatProfile(symbols, vmState);
    updateBottomUpProfile(symbols, vmState);
    updateTopDownProfile(symbols, vmState);
}

---

From source file:com.google.speedtracer.client.model.JavaScriptProfileModelV8Impl.java

License:Apache License

/**
 * Process a portion of the logLines array. If the workQueue is enabled, exit
 * early if the timeslice expires.//from   ww w.j av  a  2 s.  co  m
 */
private void processLogLines(final UiEvent refRecord, final JSOArray<String> logLines, int currentLine) {
    final int logLinesLength = logLines.size();

    for (; currentLine < logLinesLength; ++currentLine) {
        if (workQueue != null) {
            // Occasionally check to see if the time to run this chunk has expired.
            if ((currentLine % 10 == 0) && workQueue.isTimeSliceExpired()) {
                break;
            }
        }

        String logLine = logLines.get(currentLine);
        if (logDecompressor != null && logLine.length() > 0) {
            logLine = logDecompressor.decompressLogEntry(logLine);
        }
        JsArrayString decompressedLogLine = Csv.split(logLine);
        if (decompressedLogLine.length() > 0) {
            parseLogEntry(decompressedLogLine);
        }

        // force gc on processed log lines.
        logLines.set(currentLine, null);
    }

    if (currentLine < logLinesLength) {
        // Schedule this record to be the next thing run off the queue
        workQueue.prepend(new LogLineWorker(logLines, refRecord, currentLine));
    } else {
        // All done!
        if (currentProfile.getProfile(JavaScriptProfile.PROFILE_TYPE_BOTTOM_UP) == null) {
            if (refRecord != null) {
                refRecord.setHasJavaScriptProfile(false);
            }
        } else {
            if (refRecord != null) {
                refRecord.setHasJavaScriptProfile(true);
            }
        }
    }
}

---

From source file:com.google.speedtracer.client.model.V8LogDecompressor.java

License:Apache License

public String decompressLogEntry(String logLine) {
    String decompressedLogEntry = logLine;

    if (windowSize > 0) {

        /**//  w ww  . j  ava 2s.c om
         * Compression will cause some lines to have # references in them.
         * 
         * Formatting string for back references to the whole line. E.g. "#2"
         * means "the second line above".
         * 
         * Formatting string for back references. E.g. "#2:10" means
         * "the second line above, start from char 10 (0-based)".
         */

        int compressionStart = logLine.indexOf('#');

        /**
         * logLine.indexOf('#') is too simple - it is tricked by # chars inside of
         * quoted strings. This follows the example of devtools, where they use
         * the knowledge that only RegExp entries have an embedded #, and those
         * lines always end with a quote character.
         */
        if (compressionStart != -1 && !logLine.endsWith("\"")) {
            String compressionString = logLine.substring(compressionStart + 1);
            int colonStart = compressionString.indexOf(':');
            int lineOffset = 0;
            int charOffset = 0;
            if (colonStart < 0) {
                lineOffset = Integer.parseInt(compressionString);
            } else {
                lineOffset = Integer.parseInt(compressionString.substring(0, colonStart));
                charOffset = Integer.parseInt(compressionString.substring(colonStart + 1));
            }
            assert charOffset >= 0;
            decompressedLogEntry = logLine.substring(0, compressionStart)
                    + fetchLogBackref(lineOffset, charOffset);
        }
    }
    JsArrayString logEntry = Csv.split(decompressedLogEntry);
    if (logEntry.length() == 0) {

    } else {
        String command = logEntry.get(0);
        if (command.equals("profiler")) {
            // ignore
        } else if (command.equals("repeat") || command.equals("r")) {
            // skip the first 2 fields.
            int firstCommaOffset = decompressedLogEntry.indexOf(",");
            int secondCommaOffset = decompressedLogEntry.indexOf(",", firstCommaOffset + 1);
            appendLogEntry(decompressedLogEntry.substring(secondCommaOffset + 1));
        } else {
            appendLogEntry(decompressedLogEntry);
        }
    }
    return decompressedLogEntry;
}

---

From source file:com.googlecode.gflot.client.options.PlotOptions.java

License:Open Source License

/**
 * Set a default color theme to get colors for the data series from. You can specify as many colors as you like,
 * like this://from   www . j a v a  2 s  . c o  m
 * <p>
 * colors: ["#d18b2c", "#dba255", "#919733"]
 * </p>
 * If there are more data series than colors, Flot will try to generate extra colors by lightening and darkening
 * colors in the theme.
 */
public final PlotOptions setDefaultColorTheme(JsArrayString colors) {
    assert null != colors && colors.length() > 0 : "colors can't be null or empty";

    put(COLORS_KEY, colors);
    return this;
}

---

From source file:com.googlecode.gflot.client.options.TimeSeriesAxisOptions.java

License:Open Source License

/**
 * Set the label used for month.// w w  w.  ja  v  a 2 s.  co  m
 */
public final TimeSeriesAxisOptions setMonthNames(JsArrayString monthNames) {
    assert null != monthNames : "monthNames can't be null";
    assert monthNames.length() == 12 : "monthNames must have all 12 month names";

    put(MONTH_NAMES_KEY, monthNames);
    return this;
}

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