mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
1292 lines
28 KiB
HTML
1292 lines
28 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>
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JerryScript HTML (WebSocket) Debugger Client
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</title>
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<style>
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body {
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background-color: #feffd6;
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text-align: center;
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}
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input {
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margin-top: 10px;
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width: 650px;
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}
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textarea {
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width: 750px;
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margin-top: 30px;
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resize: none;
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}
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</style>
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</head>
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<body>
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<h2>JerryScript HTML (WebSocket) Debugger Client</h2>
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<div class="container">
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<div>
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<textarea readonly rows="16" id="log"></textarea>
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</div>
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<p role="alert">Getting help: type <b>help</b> in the command line below.</p>
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<div>
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<input id="command" rows="1" type="text" onkeypress="debuggerCommand(event); return true;">
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<div>
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</div>
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<script>
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var JERRY_DEBUGGER_CONFIGURATION = 1;
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var JERRY_DEBUGGER_PARSE_ERROR = 2;
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var JERRY_DEBUGGER_BYTE_CODE_CP = 3;
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var JERRY_DEBUGGER_PARSE_FUNCTION = 4;
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var JERRY_DEBUGGER_BREAKPOINT_LIST = 5;
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var JERRY_DEBUGGER_BREAKPOINT_OFFSET_LIST = 6;
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var JERRY_DEBUGGER_SOURCE_CODE = 7;
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var JERRY_DEBUGGER_SOURCE_CODE_END = 8;
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var JERRY_DEBUGGER_SOURCE_CODE_NAME = 9;
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var JERRY_DEBUGGER_SOURCE_CODE_NAME_END = 10;
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var JERRY_DEBUGGER_FUNCTION_NAME = 11;
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var JERRY_DEBUGGER_FUNCTION_NAME_END = 12;
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var JERRY_DEBUGGER_RELEASE_BYTE_CODE_CP = 13;
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var JERRY_DEBUGGER_BREAKPOINT_HIT = 14;
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var JERRY_DEBUGGER_EXCEPTION_HIT = 15;
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var JERRY_DEBUGGER_BACKTRACE = 16;
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var JERRY_DEBUGGER_BACKTRACE_END = 17;
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var JERRY_DEBUGGER_EVAL_RESULT = 18;
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var JERRY_DEBUGGER_EVAL_RESULT_END = 19;
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var JERRY_DEBUGGER_EVAL_ERROR = 20;
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var JERRY_DEBUGGER_EVAL_ERROR_END = 21;
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var JERRY_DEBUGGER_FREE_BYTE_CODE_CP = 1;
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var JERRY_DEBUGGER_UPDATE_BREAKPOINT = 2;
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var JERRY_DEBUGGER_EXCEPTION_CONFIG = 3;
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var JERRY_DEBUGGER_STOP = 4;
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var JERRY_DEBUGGER_CONTINUE = 5;
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var JERRY_DEBUGGER_STEP = 6;
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var JERRY_DEBUGGER_NEXT = 7;
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var JERRY_DEBUGGER_GET_BACKTRACE = 8;
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var JERRY_DEBUGGER_EVAL = 9;
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var JERRY_DEBUGGER_EVAL_PART = 10;
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var textBox = document.getElementById("log");
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var commandBox = document.getElementById("command");
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var socket = null;
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var address = "localhost";
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var params = window.location.search.slice(1).split("&");
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for (var i = 0; i < params.length; i++)
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{
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var nv = params[i].split("=");
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var name = nv[0], value = nv[1];
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if (name == "address")
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{
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address = value;
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}
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}
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textBox.value = ""
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commandBox.value = "connect " + address
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function appendLog(str)
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{
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textBox.value += str + "\n";
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textBox.scrollTop = textBox.scrollHeight;
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}
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var debuggerObj = null;
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function DebuggerClient(address)
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{
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appendLog("ws://" + address + "/jerry-debugger");
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var parseObj = null;
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var maxMessageSize = 0;
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var cpointerSize = 0;
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var littleEndian = true;
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var functions = { };
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var lineList = new Multimap();
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var lastBreakpointHit = null;
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var activeBreakpoints = { };
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var nextBreakpointIndex = 1;
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var backtraceFrame = 0;
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var evalResult = null;
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function assert(expr)
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{
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if (!expr)
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{
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throw new Error("Assertion failed.");
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}
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}
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function setUint32(array, offset, value)
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{
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if (littleEndian)
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{
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array[offset] = value & 0xff;
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array[offset + 1] = (value >> 8) & 0xff;
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array[offset + 2] = (value >> 16) & 0xff;
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array[offset + 3] = (value >> 24) & 0xff;
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}
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else
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{
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array[offset] = (value >> 24) & 0xff;
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array[offset + 1] = (value >> 16) & 0xff;
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array[offset + 2] = (value >> 8) & 0xff;
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array[offset + 3] = value & 0xff;
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}
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}
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/* Concat the two arrays. The first byte (opcode) of nextArray is ignored. */
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function concatUint8Arrays(baseArray, nextArray)
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{
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if (nextArray.byteLength <= 1)
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{
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/* Nothing to append. */
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return baseArray;
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}
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if (!baseArray)
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{
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/* Cut the first byte (opcode). */
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return nextArray.slice(1);
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}
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var baseLength = baseArray.byteLength;
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var nextLength = nextArray.byteLength - 1;
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var result = new Uint8Array(baseLength + nextLength);
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result.set(nextArray, baseLength - 1);
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/* This set operation overwrites the opcode. */
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result.set(baseArray);
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return result;
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}
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function cesu8ToString(array)
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{
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if (!array)
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{
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return "";
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}
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var length = array.byteLength;
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var i = 0;
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var result = "";
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while (i < length)
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{
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var chr = array[i];
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++i;
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if (chr >= 0x7f)
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{
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if (chr & 0x20)
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{
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/* Three byte long character. */
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chr = ((chr & 0xf) << 12) | ((array[i] & 0x3f) << 6) | (array[i + 1] & 0x3f);
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i += 2;
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}
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else
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{
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/* Two byte long character. */
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chr = ((chr & 0x1f) << 6) | (array[i] & 0x3f);
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++i;
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}
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}
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result += String.fromCharCode(chr);
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}
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return result;
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}
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function stringToCesu8(string)
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{
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assert(string != "");
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var length = string.length;
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var byteLength = length;
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for (var i = 0; i < length; i++)
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{
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var chr = string.charCodeAt(i);
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if (chr >= 0x7ff)
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{
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byteLength ++;
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}
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if (chr >= 0x7f)
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{
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byteLength++;
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}
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}
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var result = new Uint8Array(byteLength + 1 + 4);
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result[0] = JERRY_DEBUGGER_EVAL;
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setUint32(result, 1, byteLength);
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var offset = 5;
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for (var i = 0; i < length; i++)
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{
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var chr = string.charCodeAt(i);
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if (chr >= 0x7ff)
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{
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result[offset] = 0xe0 | (chr >> 12);
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result[offset + 1] = 0x80 | ((chr >> 6) & 0x3f);
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result[offset + 2] = 0x80 | (chr & 0x3f);
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offset += 3;
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}
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else if (chr >= 0x7f)
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{
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result[offset] = 0xc0 | (chr >> 6);
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result[offset + 1] = 0x80 | (chr & 0x3f);
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}
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else
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{
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result[offset] = chr;
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offset++;
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}
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}
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return result;
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}
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function breakpointToString(breakpoint)
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{
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var name = breakpoint.func.name;
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var result = breakpoint.func.sourceName;
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if (!result)
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{
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result = "<unknown>";
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}
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result += ":" + breakpoint.line;
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if (breakpoint.func.is_func)
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{
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result += " (in "
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+ (breakpoint.func.name ? breakpoint.func.name : "function")
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+ "() at line:"
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+ breakpoint.func.line
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+ ", col:"
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+ breakpoint.func.column
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+ ")";
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}
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return result;
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}
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function Multimap()
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{
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/* Each item is an array of items. */
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var map = { };
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this.get = function(key)
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{
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var item = map[key];
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return item ? item : [ ];
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}
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this.insert = function(key, value)
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{
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var item = map[key];
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if (item)
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{
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item.push(value);
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return;
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}
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map[key] = [ value ];
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}
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this.delete = function(key, value)
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{
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var array = map[key];
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assert(array);
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var newLength = array.length - 1;
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var i = array.indexOf(value);
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assert(i != -1);
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array.splice(i, 1);
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array.length = newLength;
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}
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}
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var socket = new WebSocket("ws://" + address + "/jerry-debugger");
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socket.binaryType = 'arraybuffer';
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function abortConnection(message)
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{
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assert(socket && debuggerObj);
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socket.close();
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socket = null;
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debuggerObj = null;
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appendLog("Abort connection: " + message);
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throw new Error(message);
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}
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socket.onerror = function(event)
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{
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if (socket)
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{
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socket = null;
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debuggerObj = null;
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appendLog("Connection closed.");
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}
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}
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socket.onclose = socket.onerror;
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socket.onopen = function(event)
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{
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appendLog("Connection created.");
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}
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function getFormatSize(format)
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{
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var length = 0;
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for (var i = 0; i < format.length; i++)
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{
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if (format[i] == "B")
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{
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length++;
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continue;
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}
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if (format[i] == "C")
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{
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length += cpointerSize;
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continue;
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}
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assert(format[i] == "I")
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length += 4;
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}
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return length;
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}
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function decodeMessage(format, message, offset)
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{
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/* Format: B=byte I=int32 C=cpointer.
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* Returns an array of decoded numbers. */
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var result = []
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var value;
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if (!offset)
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{
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offset = 0;
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}
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if (offset + getFormatSize(format) > message.byteLength)
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{
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abortConnection("received message too short.");
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}
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for (var i = 0; i < format.length; i++)
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{
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if (format[i] == "B")
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{
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result.push(message[offset])
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offset++;
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continue;
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}
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if (format[i] == "C" && cpointerSize == 2)
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{
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if (littleEndian)
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{
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value = message[offset] | (message[offset + 1] << 8);
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}
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else
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{
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value = (message[offset] << 8) | message[offset + 1];
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}
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result.push(value);
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offset += 2;
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continue;
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}
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assert(format[i] == "I" || (format[i] == "C" && cpointerSize == 4));
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if (littleEndian)
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{
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value = (message[offset] | (message[offset + 1] << 8)
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| (message[offset + 2] << 16) | (message[offset + 3] << 24));
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}
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else
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{
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value = ((message[offset] << 24) | (message[offset + 1] << 16)
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| (message[offset + 2] << 8) | message[offset + 3] << 24);
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}
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result.push(value);
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offset += 4;
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}
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return result;
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}
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function encodeMessage(format, values)
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{
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/* Format: B=byte I=int32 C=cpointer.
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* Sends a message after the encoding is completed. */
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var length = getFormatSize(format);
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var message = new Uint8Array(length);
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var offset = 0;
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for (var i = 0; i < format.length; i++)
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{
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var value = values[i];
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if (format[i] == "B")
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{
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message[offset] = value;
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offset++;
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continue;
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}
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if (format[i] == "C" && cpointerSize == 2)
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{
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if (littleEndian)
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{
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message[offset] = value & 0xff;
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message[offset + 1] = (value >> 8) & 0xff;
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}
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else
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{
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message[offset] = (value >> 8) & 0xff;
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message[offset + 1] = value & 0xff;
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}
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offset += 2;
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continue;
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}
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setUint32(message, offset, value);
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offset += 4;
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}
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socket.send(message);
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}
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function releaseFunction(message)
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{
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var byte_code_cp = decodeMessage("C", message, 1)[0];
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var func = functions[byte_code_cp];
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for (var i in func.lines)
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{
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lineList.delete(i, func);
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var breakpoint = func.lines[i];
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assert(i == breakpoint.line);
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if (breakpoint.activeIndex >= 0)
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{
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delete activeBreakpoints[breakpoint.activeIndex];
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}
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}
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delete functions[byte_code_cp];
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message[0] = JERRY_DEBUGGER_FREE_BYTE_CODE_CP;
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socket.send(message);
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}
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|
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function getBreakpoint(breakpointData)
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{
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var returnValue = {};
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var func = functions[breakpointData[0]];
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var offset = breakpointData[1];
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|
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if (offset in functions)
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{
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returnValue.breakpoint = func.offsets[offset];
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returnValue.at = true;
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return returnValue;
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}
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|
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if (offset < functions.firstBreakpointOffset)
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{
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returnValue.breakpoint = func.offsets[firstBreakpointOffset];
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returnValue.at = true;
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return returnValue;
|
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}
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|
|
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nearest_offset = -1;
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|
|
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for (var current_offset in func.offsets)
|
|
{
|
|
if ((current_offset <= offset) && (current_offset > nearest_offset))
|
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{
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nearest_offset = current_offset;
|
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}
|
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}
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|
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returnValue.breakpoint = func.offsets[nearest_offset];
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returnValue.at = false;
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return returnValue;
|
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}
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|
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this.encodeMessage = encodeMessage;
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|
|
|
function ParseSource()
|
|
{
|
|
var source = "";
|
|
var sourceData = null;
|
|
var sourceName = "";
|
|
var sourceNameData = null;
|
|
var functionName = null;
|
|
var stack = [{ is_func: false,
|
|
line: 1,
|
|
column: 1,
|
|
name: "",
|
|
source: "",
|
|
lines: [],
|
|
offsets: [] }];
|
|
var newFunctions = { };
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|
|
|
this.receive = function(message)
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|
{
|
|
switch (message[0])
|
|
{
|
|
case JERRY_DEBUGGER_PARSE_ERROR:
|
|
{
|
|
/* Parse error occured in JerryScript. */
|
|
parseObj = null;
|
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return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_SOURCE_CODE:
|
|
case JERRY_DEBUGGER_SOURCE_CODE_END:
|
|
{
|
|
sourceData = concatUint8Arrays(sourceData, message);
|
|
|
|
if (message[0] == JERRY_DEBUGGER_SOURCE_CODE_END)
|
|
{
|
|
source = cesu8ToString(sourceData);
|
|
}
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_SOURCE_CODE_NAME:
|
|
case JERRY_DEBUGGER_SOURCE_CODE_NAME_END:
|
|
{
|
|
sourceNameData = concatUint8Arrays(sourceNameData, message);
|
|
|
|
if (message[0] == JERRY_DEBUGGER_SOURCE_CODE_NAME_END)
|
|
{
|
|
sourceName = cesu8ToString(sourceNameData);
|
|
}
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_FUNCTION_NAME:
|
|
case JERRY_DEBUGGER_FUNCTION_NAME_END:
|
|
{
|
|
functionName = concatUint8Arrays(functionName, message);
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_PARSE_FUNCTION:
|
|
{
|
|
position = decodeMessage("II", message, 1);
|
|
|
|
stack.push({ is_func: true,
|
|
line: position[0],
|
|
column: position[1],
|
|
name: cesu8ToString(functionName),
|
|
source: source,
|
|
sourceName: sourceName,
|
|
lines: [],
|
|
offsets: [] });
|
|
functionName = null;
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_BREAKPOINT_LIST:
|
|
case JERRY_DEBUGGER_BREAKPOINT_OFFSET_LIST:
|
|
{
|
|
var array;
|
|
|
|
if (message.byteLength < 1 + 4)
|
|
{
|
|
abortConnection("message too short.");
|
|
}
|
|
|
|
if (message[0] == JERRY_DEBUGGER_BREAKPOINT_LIST)
|
|
{
|
|
array = stack[stack.length - 1].lines;
|
|
}
|
|
else
|
|
{
|
|
array = stack[stack.length - 1].offsets;
|
|
}
|
|
|
|
for (var i = 1; i < message.byteLength; i += 4)
|
|
{
|
|
array.push(decodeMessage("I", message, i)[0]);
|
|
}
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_BYTE_CODE_CP:
|
|
{
|
|
var func = stack.pop();
|
|
func.byte_code_cp = decodeMessage("C", message, 1)[0];
|
|
|
|
lines = {}
|
|
offsets = {}
|
|
|
|
func.firstBreakpointLine = func.lines[0];
|
|
func.firstBreakpointOffset = func.offsets[0];
|
|
|
|
for (var i = 0; i < func.lines.length; i++)
|
|
{
|
|
var breakpoint = { line: func.lines[i], offset: func.offsets[i], func: func, activeIndex: -1 };
|
|
|
|
lines[breakpoint.line] = breakpoint;
|
|
offsets[breakpoint.offset] = breakpoint;
|
|
}
|
|
|
|
func.lines = lines;
|
|
func.offsets = offsets;
|
|
|
|
newFunctions[func.byte_code_cp] = func;
|
|
|
|
if (stack.length > 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
func.source = source;
|
|
func.sourceName = sourceName;
|
|
break;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_RELEASE_BYTE_CODE_CP:
|
|
{
|
|
var byte_code_cp = decodeMessage("C", message, 1)[0];
|
|
|
|
if (byte_code_cp in newFunctions)
|
|
{
|
|
delete newFunctions[byte_code_cp];
|
|
}
|
|
else
|
|
{
|
|
releaseFunction(message);
|
|
}
|
|
return;
|
|
}
|
|
|
|
default:
|
|
{
|
|
abortConnection("unexpected message.");
|
|
return;
|
|
}
|
|
}
|
|
|
|
for (var i in newFunctions)
|
|
{
|
|
var func = newFunctions[i];
|
|
|
|
functions[i] = func;
|
|
|
|
for (var j in func.lines)
|
|
{
|
|
lineList.insert(j, func);
|
|
}
|
|
}
|
|
|
|
parseObj = null;
|
|
}
|
|
}
|
|
|
|
socket.onmessage = function(event)
|
|
{
|
|
var message = new Uint8Array(event.data);
|
|
|
|
if (message.byteLength < 1)
|
|
{
|
|
abortConnection("message too short.");
|
|
}
|
|
|
|
if (cpointerSize == 0)
|
|
{
|
|
if (message[0] != JERRY_DEBUGGER_CONFIGURATION
|
|
|| message.byteLength != 4)
|
|
{
|
|
abortConnection("the first message must be configuration.");
|
|
}
|
|
|
|
maxMessageSize = message[1]
|
|
cpointerSize = message[2]
|
|
littleEndian = (message[3] != 0);
|
|
|
|
if (cpointerSize != 2 && cpointerSize != 4)
|
|
{
|
|
abortConnection("compressed pointer must be 2 or 4 byte long.");
|
|
}
|
|
|
|
config = false;
|
|
return;
|
|
}
|
|
|
|
if (parseObj)
|
|
{
|
|
parseObj.receive(message)
|
|
return;
|
|
}
|
|
|
|
switch (message[0])
|
|
{
|
|
case JERRY_DEBUGGER_PARSE_ERROR:
|
|
case JERRY_DEBUGGER_BYTE_CODE_CP:
|
|
case JERRY_DEBUGGER_PARSE_FUNCTION:
|
|
case JERRY_DEBUGGER_BREAKPOINT_LIST:
|
|
case JERRY_DEBUGGER_SOURCE_CODE:
|
|
case JERRY_DEBUGGER_SOURCE_CODE_END:
|
|
case JERRY_DEBUGGER_SOURCE_CODE_NAME:
|
|
case JERRY_DEBUGGER_SOURCE_CODE_NAME_END:
|
|
case JERRY_DEBUGGER_FUNCTION_NAME:
|
|
case JERRY_DEBUGGER_FUNCTION_NAME_END:
|
|
{
|
|
parseObj = new ParseSource()
|
|
parseObj.receive(message)
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_RELEASE_BYTE_CODE_CP:
|
|
{
|
|
releaseFunction(message);
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_BREAKPOINT_HIT:
|
|
case JERRY_DEBUGGER_EXCEPTION_HIT:
|
|
{
|
|
var breakpointData = decodeMessage("CI", message, 1);
|
|
var breakpointRef = getBreakpoint(breakpointData);
|
|
var breakpoint = breakpointRef.breakpoint;
|
|
|
|
if (message[0] == JERRY_DEBUGGER_EXCEPTION_HIT)
|
|
{
|
|
appendLog("Exception throw detected (to disable automatic stop type exception 0)");
|
|
}
|
|
|
|
lastBreakpointHit = breakpoint;
|
|
|
|
var breakpointInfo = "";
|
|
if (breakpoint.offset.activeIndex >= 0)
|
|
{
|
|
breakpointInfo = " breakpoint:" + breakpoint.offset.activeIndex + " ";
|
|
}
|
|
|
|
appendLog("Stopped "
|
|
+ (breakpoint.at ? "at " : "around ")
|
|
+ breakpointInfo
|
|
+ breakpointToString(breakpoint));
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_BACKTRACE:
|
|
case JERRY_DEBUGGER_BACKTRACE_END:
|
|
{
|
|
for (var i = 1; i < message.byteLength; i += cpointerSize + 4)
|
|
{
|
|
var breakpointData = decodeMessage("CI", message, i);
|
|
|
|
breakpoint = getBreakpoint(breakpointData).breakpoint;
|
|
|
|
appendLog(" frame "
|
|
+ backtraceFrame
|
|
+ ": "
|
|
+ breakpointToString(breakpoint));
|
|
|
|
++backtraceFrame;
|
|
}
|
|
|
|
if (message[0] == JERRY_DEBUGGER_BACKTRACE_END)
|
|
{
|
|
backtraceFrame = 0;
|
|
}
|
|
return;
|
|
}
|
|
|
|
case JERRY_DEBUGGER_EVAL_RESULT:
|
|
case JERRY_DEBUGGER_EVAL_RESULT_END:
|
|
case JERRY_DEBUGGER_EVAL_ERROR:
|
|
case JERRY_DEBUGGER_EVAL_ERROR_END:
|
|
{
|
|
evalResult = concatUint8Arrays(evalResult, message);
|
|
|
|
if (message[0] == JERRY_DEBUGGER_EVAL_RESULT_END)
|
|
{
|
|
appendLog(cesu8ToString(evalResult));
|
|
evalResult = null;
|
|
return;
|
|
}
|
|
|
|
if (message[0] == JERRY_DEBUGGER_EVAL_ERROR_END)
|
|
{
|
|
appendLog("Uncaught exception: " + cesu8ToString(evalResult));
|
|
evalResult = null;
|
|
return;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
default:
|
|
{
|
|
abortConnection("unexpected message.");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
function insertBreakpoint(breakpoint)
|
|
{
|
|
if (breakpoint.activeIndex < 0)
|
|
{
|
|
breakpoint.activeIndex = nextBreakpointIndex;
|
|
activeBreakpoints[nextBreakpointIndex] = breakpoint;
|
|
nextBreakpointIndex++;
|
|
|
|
var values = [ JERRY_DEBUGGER_UPDATE_BREAKPOINT,
|
|
1,
|
|
breakpoint.func.byte_code_cp,
|
|
breakpoint.offset ];
|
|
|
|
encodeMessage("BBCI", values);
|
|
}
|
|
|
|
appendLog("Breakpoint " + breakpoint.activeIndex + " at " + breakpointToString(breakpoint));
|
|
}
|
|
|
|
this.setBreakpoint = function(str)
|
|
{
|
|
line = /^(.+):([1-9][0-9]*)$/.exec(str);
|
|
var found = false;
|
|
|
|
if (line)
|
|
{
|
|
var functionList = lineList.get(line[2]);
|
|
|
|
for (var i = 0; i < functionList.length; ++i)
|
|
{
|
|
var func = functionList[i];
|
|
var sourceName = func.sourceName;
|
|
|
|
if (sourceName == line[1]
|
|
|| sourceName.endsWith("/" + line[1])
|
|
|| sourceName.endsWith("\\" + line[1]))
|
|
{
|
|
insertBreakpoint(func.lines[line[2]]);
|
|
found = true;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (var i in functions)
|
|
{
|
|
var func = functions[i];
|
|
|
|
if (func.name == str)
|
|
{
|
|
insertBreakpoint(func.lines[func.firstBreakpointLine]);
|
|
found = true;
|
|
}
|
|
}
|
|
}
|
|
if (!found)
|
|
{
|
|
appendLog("Breakpoint not found");
|
|
}
|
|
}
|
|
|
|
this.sendExceptionConfig = function(enable)
|
|
{
|
|
if (enable == "")
|
|
{
|
|
appendLog("Argument required");
|
|
return;
|
|
}
|
|
|
|
if (enable == 1)
|
|
{
|
|
appendLog("Stop at exception enabled");
|
|
}
|
|
else if (enable == 0)
|
|
{
|
|
appendLog("Stop at exception disabled");
|
|
}
|
|
else
|
|
{
|
|
appendLog("Invalid input. Usage 1: [Enable] or 0: [Disable].");
|
|
return;
|
|
}
|
|
|
|
encodeMessage("BB", [ JERRY_DEBUGGER_EXCEPTION_CONFIG, enable ]);
|
|
}
|
|
|
|
this.deleteBreakpoint = function(index)
|
|
{
|
|
breakpoint = activeBreakpoints[index];
|
|
|
|
if (index == "all")
|
|
{
|
|
var found = false;
|
|
|
|
for (var i in activeBreakpoints)
|
|
{
|
|
delete activeBreakpoints[i];
|
|
found = true;
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
appendLog("No active breakpoints.")
|
|
}
|
|
}
|
|
|
|
else if (!breakpoint)
|
|
{
|
|
appendLog("No breakpoint found with index " + index);
|
|
return;
|
|
}
|
|
|
|
assert(breakpoint.activeIndex == index);
|
|
|
|
delete activeBreakpoints[index];
|
|
breakpoint.activeIndex = -1;
|
|
|
|
var values = [ JERRY_DEBUGGER_UPDATE_BREAKPOINT,
|
|
0,
|
|
breakpoint.func.byte_code_cp,
|
|
breakpoint.offset ];
|
|
|
|
encodeMessage("BBCI", values);
|
|
|
|
appendLog("Breakpoint " + index + " is deleted.");
|
|
}
|
|
|
|
this.listBreakpoints = function()
|
|
{
|
|
appendLog("List of active breakpoints:");
|
|
var found = false;
|
|
|
|
for (var i in activeBreakpoints)
|
|
{
|
|
appendLog(" breakpoint " + i + " at " + breakpointToString(activeBreakpoints[i]));
|
|
found = true;
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
appendLog(" no active breakpoints");
|
|
}
|
|
}
|
|
|
|
this.sendResumeExec = function(command)
|
|
{
|
|
if (!lastBreakpointHit)
|
|
{
|
|
appendLog("This command is allowed only if JavaScript execution is stopped at a breakpoint.");
|
|
return;
|
|
}
|
|
|
|
encodeMessage("B", [ command ]);
|
|
|
|
lastBreakpointHit = null;
|
|
}
|
|
|
|
this.sendGetBacktrace = function(depth)
|
|
{
|
|
if (!lastBreakpointHit)
|
|
{
|
|
appendLog("This command is allowed only if JavaScript execution is stopped at a breakpoint.");
|
|
return;
|
|
}
|
|
|
|
encodeMessage("BI", [ JERRY_DEBUGGER_GET_BACKTRACE, max_depth ]);
|
|
|
|
appendLog("Backtrace:");
|
|
}
|
|
|
|
this.sendEval = function(str)
|
|
{
|
|
if (!lastBreakpointHit)
|
|
{
|
|
appendLog("This command is allowed only if JavaScript execution is stopped at a breakpoint.");
|
|
return;
|
|
}
|
|
|
|
if (str == "")
|
|
{
|
|
appendLog("Argument required");
|
|
return;
|
|
}
|
|
|
|
var array = stringToCesu8(str);
|
|
var byteLength = array.byteLength;
|
|
|
|
if (byteLength <= maxMessageSize)
|
|
{
|
|
socket.send(array);
|
|
return;
|
|
}
|
|
|
|
socket.send(array.slice(0, maxMessageSize));
|
|
|
|
var offset = maxMessageSize - 1;
|
|
|
|
while (offset < byteLength)
|
|
{
|
|
array[offset] = JERRY_DEBUGGER_EVAL_PART;
|
|
socket.send(array.slice(offset, offset + maxMessageSize));
|
|
offset += maxMessageSize - 1;
|
|
}
|
|
}
|
|
|
|
this.printSource = function()
|
|
{
|
|
if (lastBreakpointHit)
|
|
{
|
|
appendLog(lastBreakpointHit.func.source);
|
|
}
|
|
}
|
|
|
|
this.dump = function()
|
|
{
|
|
for (var i in functions)
|
|
{
|
|
var func = functions[i];
|
|
var sourceName = func.sourceName;
|
|
|
|
if (!sourceName)
|
|
{
|
|
sourceName = "<unknown>";
|
|
}
|
|
|
|
appendLog("Function 0x"
|
|
+ Number(i).toString(16)
|
|
+ " '"
|
|
+ func.name
|
|
+ "' at "
|
|
+ sourceName
|
|
+ ":"
|
|
+ func.line
|
|
+ ","
|
|
+ func.column);
|
|
|
|
for (var j in func.lines)
|
|
{
|
|
var active = "";
|
|
|
|
if (func.lines[j].active >= 0)
|
|
{
|
|
active = " (active: " + func.lines[j].active + ")";
|
|
}
|
|
|
|
appendLog(" Breakpoint line: " + j + " at memory offset: " + func.lines[j].offset + active);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function debuggerCommand(event)
|
|
{
|
|
if (event.keyCode != 13)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
var command = commandBox.value.trim();
|
|
|
|
args = /^([a-zA-Z]+)(?:\s+([^\s].*)|)$/.exec(command);
|
|
|
|
if (!args)
|
|
{
|
|
appendLog("Invalid command");
|
|
document.getElementById("command").value = "";
|
|
return true;
|
|
}
|
|
|
|
if (!args[2])
|
|
{
|
|
args[2] = "";
|
|
}
|
|
|
|
if (args[1] == "help")
|
|
{
|
|
appendLog("Debugger commands:\n" +
|
|
" connect <IP address:PORT> - connect to server (default is localhost:5001)\n" +
|
|
" break|b <file_name:line>|<function_name> - set breakpoint\n" +
|
|
" delete|d <id> - delete breakpoint\n" +
|
|
" list - list breakpoints\n" +
|
|
" continue|c - continue execution\n" +
|
|
" step|s - step-in execution\n" +
|
|
" next|n - execution until the next breakpoint\n" +
|
|
" eval|e - evaluate expression\n" +
|
|
" backtrace|bt <max-depth> - get backtrace\n" +
|
|
" src - print current source code\n" +
|
|
" dump - dump all breakpoint data");
|
|
|
|
commandBox.value = "";
|
|
return true;
|
|
}
|
|
|
|
if (args[1] == "connect")
|
|
{
|
|
if (debuggerObj)
|
|
{
|
|
appendLog("Debugger is connected");
|
|
return true;
|
|
}
|
|
|
|
var ipAddr = args[2];
|
|
var PORT = "5001";
|
|
|
|
if (ipAddr == "")
|
|
{
|
|
ipAddr = "localhost";
|
|
}
|
|
|
|
if (ipAddr.match(/.*:\d/))
|
|
{
|
|
var fields = ipAddr.split(":");
|
|
ipAddr = fields[0];
|
|
PORT = fields[1];
|
|
}
|
|
|
|
var address = ipAddr + ":" + PORT;
|
|
|
|
appendLog("Connect to: " + address);
|
|
|
|
debuggerObj = new DebuggerClient(address);
|
|
|
|
commandBox.value = "";
|
|
return true;
|
|
}
|
|
|
|
if (!debuggerObj)
|
|
{
|
|
appendLog("Debugger is NOT connected");
|
|
|
|
commandBox.value = "";
|
|
return true;
|
|
}
|
|
|
|
switch(args[1])
|
|
{
|
|
case "b":
|
|
case "break":
|
|
debuggerObj.setBreakpoint(args[2]);
|
|
break;
|
|
|
|
case "d":
|
|
case "delete":
|
|
debuggerObj.deleteBreakpoint(args[2]);
|
|
break;
|
|
|
|
case "st":
|
|
case "stop":
|
|
debuggerObj.encodeMessage("B", [ JERRY_DEBUGGER_STOP ]);
|
|
break;
|
|
|
|
case "c":
|
|
case "continue":
|
|
debuggerObj.sendResumeExec(JERRY_DEBUGGER_CONTINUE);
|
|
break;
|
|
|
|
case "s":
|
|
case "step":
|
|
debuggerObj.sendResumeExec(JERRY_DEBUGGER_STEP);
|
|
break;
|
|
|
|
case "n":
|
|
case "next":
|
|
debuggerObj.sendResumeExec(JERRY_DEBUGGER_NEXT);
|
|
break;
|
|
|
|
case "e":
|
|
case "eval":
|
|
debuggerObj.sendEval(args[2]);
|
|
break;
|
|
|
|
case "bt":
|
|
case "backtrace":
|
|
max_depth = 0;
|
|
|
|
if (args[2])
|
|
{
|
|
if (/[1-9][0-9]*/.exec(args[2]))
|
|
{
|
|
max_depth = parseInt(args[2]);
|
|
}
|
|
else
|
|
{
|
|
appendLog("Invalid maximum depth argument.");
|
|
break;
|
|
}
|
|
}
|
|
|
|
debuggerObj.sendGetBacktrace(max_depth);
|
|
break;
|
|
|
|
case "exception":
|
|
debuggerObj.sendExceptionConfig(args[2]);
|
|
break;
|
|
|
|
case "src":
|
|
debuggerObj.printSource();
|
|
break;
|
|
|
|
case "list":
|
|
debuggerObj.listBreakpoints();
|
|
break;
|
|
|
|
case "dump":
|
|
debuggerObj.dump();
|
|
break;
|
|
|
|
default:
|
|
appendLog("Unknown command: " + args[1]);
|
|
break;
|
|
}
|
|
|
|
commandBox.value = "";
|
|
return true;
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|