summaryrefslogtreecommitdiff
path: root/deps/v8/src/d8.js
diff options
context:
space:
mode:
Diffstat (limited to 'deps/v8/src/d8.js')
-rw-r--r--deps/v8/src/d8.js675
1 files changed, 57 insertions, 618 deletions
diff --git a/deps/v8/src/d8.js b/deps/v8/src/d8.js
index 819135add..1ff0ce898 100644
--- a/deps/v8/src/d8.js
+++ b/deps/v8/src/d8.js
@@ -71,7 +71,7 @@ function GetCompletions(global, last, full) {
result.push(name);
}
}
- current = ToInspectableObject(current.__proto__);
+ current = ToInspectableObject(Object.getPrototypeOf(current));
}
return result;
}
@@ -123,10 +123,6 @@ Debug.State = {
var trace_compile = false; // Tracing all compile events?
var trace_debug_json = false; // Tracing all debug json packets?
var last_cmd = '';
-//var lol_is_enabled; // Set to true in d8.cc if LIVE_OBJECT_LIST is defined.
-var lol_next_dump_index = 0;
-var kDefaultLolLinesToPrintAtATime = 10;
-var kMaxLolLinesToPrintAtATime = 1000;
var repeat_cmd_line = '';
var is_running = true;
// Global variable used to store whether a handle was requested.
@@ -507,13 +503,6 @@ function DebugRequest(cmd_line) {
this.request_ = void 0;
break;
- case 'liveobjectlist':
- case 'lol':
- if (lol_is_enabled) {
- this.request_ = this.lolToJSONRequest_(args, is_repeating);
- break;
- }
-
default:
throw new Error('Unknown command "' + cmd + '"');
}
@@ -558,53 +547,10 @@ DebugRequest.prototype.createRequest = function(command) {
};
-// Note: we use detected command repetition as a signal for continuation here.
-DebugRequest.prototype.createLOLRequest = function(command,
- start_index,
- lines_to_dump,
- is_continuation) {
- if (is_continuation) {
- start_index = lol_next_dump_index;
- }
-
- if (lines_to_dump) {
- lines_to_dump = parseInt(lines_to_dump);
- } else {
- lines_to_dump = kDefaultLolLinesToPrintAtATime;
- }
- if (lines_to_dump > kMaxLolLinesToPrintAtATime) {
- lines_to_dump = kMaxLolLinesToPrintAtATime;
- }
-
- // Save the next start_index to dump from:
- lol_next_dump_index = start_index + lines_to_dump;
-
- var request = this.createRequest(command);
- request.arguments = {};
- request.arguments.start = start_index;
- request.arguments.count = lines_to_dump;
-
- return request;
-};
-
-
// Create a JSON request for the evaluation command.
DebugRequest.prototype.makeEvaluateJSONRequest_ = function(expression) {
lookup_handle = null;
- if (lol_is_enabled) {
- // Check if the expression is a obj id in the form @<obj id>.
- var obj_id_match = expression.match(/^@([0-9]+)$/);
- if (obj_id_match) {
- var obj_id = parseInt(obj_id_match[1]);
- // Build a dump request.
- var request = this.createRequest('getobj');
- request.arguments = {};
- request.arguments.obj_id = obj_id;
- return request.toJSONProtocol();
- }
- }
-
// Check if the expression is a handle id in the form #<handle>#.
var handle_match = expression.match(/^#([0-9]*)#$/);
if (handle_match) {
@@ -1170,10 +1116,6 @@ DebugRequest.prototype.infoCommandToJSONRequest_ = function(args) {
// Build a evaluate request from the text command.
request = this.createRequest('frame');
last_cmd = 'info args';
- } else if (lol_is_enabled &&
- args && (args == 'liveobjectlist' || args == 'lol')) {
- // Build a evaluate request from the text command.
- return this.liveObjectListToJSONRequest_(null);
} else {
throw new Error('Invalid info arguments.');
}
@@ -1224,262 +1166,6 @@ DebugRequest.prototype.gcToJSONRequest_ = function(args) {
};
-// Args: [v[erbose]] [<N>] [i[ndex] <i>] [t[ype] <type>] [sp[ace] <space>]
-DebugRequest.prototype.lolMakeListRequest =
- function(cmd, args, first_arg_index, is_repeating) {
-
- var request;
- var start_index = 0;
- var dump_limit = void 0;
- var type_filter = void 0;
- var space_filter = void 0;
- var prop_filter = void 0;
- var is_verbose = false;
- var i;
-
- for (i = first_arg_index; i < args.length; i++) {
- var arg = args[i];
- // Check for [v[erbose]]:
- if (arg === 'verbose' || arg === 'v') {
- // Nothing to do. This is already implied by args.length > 3.
- is_verbose = true;
-
- // Check for [<N>]:
- } else if (arg.match(/^[0-9]+$/)) {
- dump_limit = arg;
- is_verbose = true;
-
- // Check for i[ndex] <i>:
- } else if (arg === 'index' || arg === 'i') {
- i++;
- if (args.length < i) {
- throw new Error('Missing index after ' + arg + '.');
- }
- start_index = parseInt(args[i]);
- // The user input start index starts at 1:
- if (start_index <= 0) {
- throw new Error('Invalid index ' + args[i] + '.');
- }
- start_index -= 1;
- is_verbose = true;
-
- // Check for t[ype] <type>:
- } else if (arg === 'type' || arg === 't') {
- i++;
- if (args.length < i) {
- throw new Error('Missing type after ' + arg + '.');
- }
- type_filter = args[i];
-
- // Check for space <heap space name>:
- } else if (arg === 'space' || arg === 'sp') {
- i++;
- if (args.length < i) {
- throw new Error('Missing space name after ' + arg + '.');
- }
- space_filter = args[i];
-
- // Check for property <prop name>:
- } else if (arg === 'property' || arg === 'prop') {
- i++;
- if (args.length < i) {
- throw new Error('Missing property name after ' + arg + '.');
- }
- prop_filter = args[i];
-
- } else {
- throw new Error('Unknown args at ' + arg + '.');
- }
- }
-
- // Build the verbose request:
- if (is_verbose) {
- request = this.createLOLRequest('lol-'+cmd,
- start_index,
- dump_limit,
- is_repeating);
- request.arguments.verbose = true;
- } else {
- request = this.createRequest('lol-'+cmd);
- request.arguments = {};
- }
-
- request.arguments.filter = {};
- if (type_filter) {
- request.arguments.filter.type = type_filter;
- }
- if (space_filter) {
- request.arguments.filter.space = space_filter;
- }
- if (prop_filter) {
- request.arguments.filter.prop = prop_filter;
- }
-
- return request;
-};
-
-
-function extractObjId(args) {
- var id = args;
- id = id.match(/^@([0-9]+)$/);
- if (id) {
- id = id[1];
- } else {
- throw new Error('Invalid obj id ' + args + '.');
- }
- return parseInt(id);
-}
-
-
-DebugRequest.prototype.lolToJSONRequest_ = function(args, is_repeating) {
- var request;
- // Use default command if one is not specified:
- if (!args) {
- args = 'info';
- }
-
- var orig_args = args;
- var first_arg_index;
-
- var arg, i;
- var args = args.split(/\s+/g);
- var cmd = args[0];
- var id;
-
- // Command: <id> [v[erbose]] ...
- if (cmd.match(/^[0-9]+$/)) {
- // Convert to the padded list command:
- // Command: l[ist] <dummy> <id> [v[erbose]] ...
-
- // Insert the implicit 'list' in front and process as normal:
- cmd = 'list';
- args.unshift(cmd);
- }
-
- switch(cmd) {
- // Command: c[apture]
- case 'capture':
- case 'c':
- request = this.createRequest('lol-capture');
- break;
-
- // Command: clear|d[elete] <id>|all
- case 'clear':
- case 'delete':
- case 'del': {
- if (args.length < 2) {
- throw new Error('Missing argument after ' + cmd + '.');
- } else if (args.length > 2) {
- throw new Error('Too many arguments after ' + cmd + '.');
- }
- id = args[1];
- if (id.match(/^[0-9]+$/)) {
- // Delete a specific lol record:
- request = this.createRequest('lol-delete');
- request.arguments = {};
- request.arguments.id = parseInt(id);
- } else if (id === 'all') {
- // Delete all:
- request = this.createRequest('lol-reset');
- } else {
- throw new Error('Invalid argument after ' + cmd + '.');
- }
- break;
- }
-
- // Command: diff <id1> <id2> [<dump options>]
- case 'diff':
- first_arg_index = 3;
-
- // Command: list <dummy> <id> [<dump options>]
- case 'list':
-
- // Command: ret[ainers] <obj id> [<dump options>]
- case 'retainers':
- case 'ret':
- case 'retaining-paths':
- case 'rp': {
- if (cmd === 'ret') cmd = 'retainers';
- else if (cmd === 'rp') cmd = 'retaining-paths';
-
- if (!first_arg_index) first_arg_index = 2;
-
- if (args.length < first_arg_index) {
- throw new Error('Too few arguments after ' + cmd + '.');
- }
-
- var request_cmd = (cmd === 'list') ? 'diff':cmd;
- request = this.lolMakeListRequest(request_cmd,
- args,
- first_arg_index,
- is_repeating);
-
- if (cmd === 'diff') {
- request.arguments.id1 = parseInt(args[1]);
- request.arguments.id2 = parseInt(args[2]);
- } else if (cmd == 'list') {
- request.arguments.id1 = 0;
- request.arguments.id2 = parseInt(args[1]);
- } else {
- request.arguments.id = extractObjId(args[1]);
- }
- break;
- }
-
- // Command: getid
- case 'getid': {
- request = this.createRequest('lol-getid');
- request.arguments = {};
- request.arguments.address = args[1];
- break;
- }
-
- // Command: inf[o] [<N>]
- case 'info':
- case 'inf': {
- if (args.length > 2) {
- throw new Error('Too many arguments after ' + cmd + '.');
- }
- // Built the info request:
- request = this.createLOLRequest('lol-info', 0, args[1], is_repeating);
- break;
- }
-
- // Command: path <obj id 1> <obj id 2>
- case 'path': {
- request = this.createRequest('lol-path');
- request.arguments = {};
- if (args.length > 2) {
- request.arguments.id1 = extractObjId(args[1]);
- request.arguments.id2 = extractObjId(args[2]);
- } else {
- request.arguments.id1 = 0;
- request.arguments.id2 = extractObjId(args[1]);
- }
- break;
- }
-
- // Command: print
- case 'print': {
- request = this.createRequest('lol-print');
- request.arguments = {};
- request.arguments.id = extractObjId(args[1]);
- break;
- }
-
- // Command: reset
- case 'reset': {
- request = this.createRequest('lol-reset');
- break;
- }
-
- default:
- throw new Error('Invalid arguments.');
- }
- return request.toJSONProtocol();
-};
-
-
// Create a JSON request for the threads command.
DebugRequest.prototype.threadsCommandToJSONRequest_ = function(args) {
// Build a threads request from the text command.
@@ -1545,7 +1231,6 @@ DebugRequest.prototype.helpCommand_ = function(args) {
print('inf[o] br[eak] - prints info about breakpoints in use');
print('inf[o] ar[gs] - prints info about arguments of the current function');
print('inf[o] lo[cals] - prints info about locals in the current function');
- print('inf[o] liveobjectlist|lol - same as \'lol info\'');
print('');
print('step [in | next | out| min [step count]]');
print('c[ontinue] - continue executing after a breakpoint');
@@ -1566,49 +1251,6 @@ DebugRequest.prototype.helpCommand_ = function(args) {
print('');
print('gc - runs the garbage collector');
print('');
-
- if (lol_is_enabled) {
- print('liveobjectlist|lol <command> - live object list tracking.');
- print(' where <command> can be:');
- print(' c[apture] - captures a LOL list.');
- print(' clear|del[ete] <id>|all - clears LOL of id <id>.');
- print(' If \'all\' is unspecified instead, will clear all.');
- print(' diff <id1> <id2> [<dump options>]');
- print(' - prints the diff between LOLs id1 and id2.');
- print(' - also see <dump options> below.');
- print(' getid <address> - gets the obj id for the specified address if available.');
- print(' The address must be in hex form prefixed with 0x.');
- print(' inf[o] [<N>] - lists summary info of all LOL lists.');
- print(' If N is specified, will print N items at a time.');
- print(' [l[ist]] <id> [<dump options>]');
- print(' - prints the listing of objects in LOL id.');
- print(' - also see <dump options> below.');
- print(' reset - clears all LOL lists.');
- print(' ret[ainers] <id> [<dump options>]');
- print(' - prints the list of retainers of obj id.');
- print(' - also see <dump options> below.');
- print(' path <id1> <id2> - prints the retaining path from obj id1 to id2.');
- print(' If only one id is specified, will print the path from');
- print(' roots to the specified object if available.');
- print(' print <id> - prints the obj for the specified obj id if available.');
- print('');
- print(' <dump options> includes:');
- print(' [v[erbose]] - do verbose dump.');
- print(' [<N>] - dump N items at a time. Implies verbose dump.');
- print(' If unspecified, N will default to '+
- kDefaultLolLinesToPrintAtATime+'. Max N is '+
- kMaxLolLinesToPrintAtATime+'.');
- print(' [i[ndex] <i>] - start dump from index i. Implies verbose dump.');
- print(' [t[ype] <type>] - filter by type.');
- print(' [sp[ace] <space name>] - filter by heap space where <space name> is one of');
- print(' { cell, code, lo, map, new, old-data, old-pointer }.');
- print('');
- print(' If the verbose option, or an option that implies a verbose dump');
- print(' is specified, then a verbose dump will requested. Else, a summary dump');
- print(' will be requested.');
- print('');
- }
-
print('trace compile');
// hidden command: trace debug json - toggles tracing of debug json packets
print('');
@@ -1709,237 +1351,6 @@ function refObjectToString_(protocolPackage, handle) {
}
-function decodeLolCaptureResponse(body) {
- var result;
- result = 'Captured live object list '+ body.id +
- ': count '+ body.count + ' size ' + body.size;
- return result;
-}
-
-
-function decodeLolDeleteResponse(body) {
- var result;
- result = 'Deleted live object list '+ body.id;
- return result;
-}
-
-
-function digitsIn(value) {
- var digits = 0;
- if (value === 0) value = 1;
- while (value >= 1) {
- digits++;
- value /= 10;
- }
- return digits;
-}
-
-
-function padding(value, max_digits) {
- var padding_digits = max_digits - digitsIn(value);
- var padding = '';
- while (padding_digits > 0) {
- padding += ' ';
- padding_digits--;
- }
- return padding;
-}
-
-
-function decodeLolInfoResponse(body) {
- var result;
- var lists = body.lists;
- var length = lists.length;
- var first_index = body.first_index + 1;
- var has_more = ((first_index + length) <= body.count);
- result = 'captured live object lists';
- if (has_more || (first_index != 1)) {
- result += ' ['+ length +' of '+ body.count +
- ': starting from '+ first_index +']';
- }
- result += ':\n';
- var max_digits = digitsIn(body.count);
- var last_count = 0;
- var last_size = 0;
- for (var i = 0; i < length; i++) {
- var entry = lists[i];
- var count = entry.count;
- var size = entry.size;
- var index = first_index + i;
- result += ' [' + padding(index, max_digits) + index + '] id '+ entry.id +
- ': count '+ count;
- if (last_count > 0) {
- result += '(+' + (count - last_count) + ')';
- }
- result += ' size '+ size;
- if (last_size > 0) {
- result += '(+' + (size - last_size) + ')';
- }
- result += '\n';
- last_count = count;
- last_size = size;
- }
- result += ' total: '+length+' lists\n';
- if (has_more) {
- result += ' -- press <enter> for more --\n';
- } else {
- repeat_cmd_line = '';
- }
- if (length === 0) result += ' none\n';
-
- return result;
-}
-
-
-function decodeLolListResponse(body, title) {
-
- var result;
- var total_count = body.count;
- var total_size = body.size;
- var length;
- var max_digits;
- var i;
- var entry;
- var index;
-
- var max_count_digits = digitsIn(total_count);
- var max_size_digits;
-
- var summary = body.summary;
- if (summary) {
-
- var roots_count = 0;
- var found_root = body.found_root || 0;
- var found_weak_root = body.found_weak_root || 0;
-
- // Print the summary result:
- result = 'summary of objects:\n';
- length = summary.length;
- if (found_root !== 0) {
- roots_count++;
- }
- if (found_weak_root !== 0) {
- roots_count++;
- }
- max_digits = digitsIn(length + roots_count);
- max_size_digits = digitsIn(total_size);
-
- index = 1;
- if (found_root !== 0) {
- result += ' [' + padding(index, max_digits) + index + '] ' +
- ' count '+ 1 + padding(0, max_count_digits) +
- ' '+ padding(0, max_size_digits+1) +
- ' : <root>\n';
- index++;
- }
- if (found_weak_root !== 0) {
- result += ' [' + padding(index, max_digits) + index + '] ' +
- ' count '+ 1 + padding(0, max_count_digits) +
- ' '+ padding(0, max_size_digits+1) +
- ' : <weak root>\n';
- index++;
- }
-
- for (i = 0; i < length; i++) {
- entry = summary[i];
- var count = entry.count;
- var size = entry.size;
- result += ' [' + padding(index, max_digits) + index + '] ' +
- ' count '+ count + padding(count, max_count_digits) +
- ' size '+ size + padding(size, max_size_digits) +
- ' : <' + entry.desc + '>\n';
- index++;
- }
- result += '\n total count: '+(total_count+roots_count)+'\n';
- if (body.size) {
- result += ' total size: '+body.size+'\n';
- }
-
- } else {
- // Print the full dump result:
- var first_index = body.first_index + 1;
- var elements = body.elements;
- length = elements.length;
- var has_more = ((first_index + length) <= total_count);
- result = title;
- if (has_more || (first_index != 1)) {
- result += ' ['+ length +' of '+ total_count +
- ': starting from '+ first_index +']';
- }
- result += ':\n';
- if (length === 0) result += ' none\n';
- max_digits = digitsIn(length);
-
- var max_id = 0;
- var max_size = 0;
- for (i = 0; i < length; i++) {
- entry = elements[i];
- if (entry.id > max_id) max_id = entry.id;
- if (entry.size > max_size) max_size = entry.size;
- }
- var max_id_digits = digitsIn(max_id);
- max_size_digits = digitsIn(max_size);
-
- for (i = 0; i < length; i++) {
- entry = elements[i];
- index = first_index + i;
- result += ' ['+ padding(index, max_digits) + index +']';
- if (entry.id !== 0) {
- result += ' @' + entry.id + padding(entry.id, max_id_digits) +
- ': size ' + entry.size + ', ' +
- padding(entry.size, max_size_digits) + entry.desc + '\n';
- } else {
- // Must be a root or weak root:
- result += ' ' + entry.desc + '\n';
- }
- }
- if (has_more) {
- result += ' -- press <enter> for more --\n';
- } else {
- repeat_cmd_line = '';
- }
- if (length === 0) result += ' none\n';
- }
-
- return result;
-}
-
-
-function decodeLolDiffResponse(body) {
- var title = 'objects';
- return decodeLolListResponse(body, title);
-}
-
-
-function decodeLolRetainersResponse(body) {
- var title = 'retainers for @' + body.id;
- return decodeLolListResponse(body, title);
-}
-
-
-function decodeLolPathResponse(body) {
- return body.path;
-}
-
-
-function decodeLolResetResponse(body) {
- return 'Reset all live object lists.';
-}
-
-
-function decodeLolGetIdResponse(body) {
- if (body.id == 0) {
- return 'Address is invalid, or object has been moved or collected';
- }
- return 'obj id is @' + body.id;
-}
-
-
-function decodeLolPrintResponse(body) {
- return body.dump;
-}
-
-
// Rounds number 'num' to 'length' decimal places.
function roundNumber(num, length) {
var factor = Math.pow(10, length);
@@ -2276,34 +1687,6 @@ function DebugResponseDetails(response) {
}
break;
- case 'lol-capture':
- details.text = decodeLolCaptureResponse(body);
- break;
- case 'lol-delete':
- details.text = decodeLolDeleteResponse(body);
- break;
- case 'lol-diff':
- details.text = decodeLolDiffResponse(body);
- break;
- case 'lol-getid':
- details.text = decodeLolGetIdResponse(body);
- break;
- case 'lol-info':
- details.text = decodeLolInfoResponse(body);
- break;
- case 'lol-print':
- details.text = decodeLolPrintResponse(body);
- break;
- case 'lol-reset':
- details.text = decodeLolResetResponse(body);
- break;
- case 'lol-retainers':
- details.text = decodeLolRetainersResponse(body);
- break;
- case 'lol-path':
- details.text = decodeLolPathResponse(body);
- break;
-
default:
details.text =
'Response for unknown command \'' + response.command() + '\'' +
@@ -2811,3 +2194,59 @@ function SimpleArrayToJSON_(array) {
json += ']';
return json;
}
+
+
+// A more universal stringify that supports more types than JSON.
+// Used by the d8 shell to output results.
+var stringifyDepthLimit = 4; // To avoid crashing on cyclic objects
+
+function Stringify(x, depth) {
+ if (depth === undefined)
+ depth = stringifyDepthLimit;
+ else if (depth === 0)
+ return "*";
+ switch (typeof x) {
+ case "undefined":
+ return "undefined";
+ case "boolean":
+ case "number":
+ case "function":
+ return x.toString();
+ case "string":
+ return "\"" + x.toString() + "\"";
+ // TODO(rossberg): add symbol case
+ case "object":
+ if (x === null) return "null";
+ if (x.constructor && x.constructor.name === "Array") {
+ var elems = [];
+ for (var i = 0; i < x.length; ++i) {
+ elems.push(
+ {}.hasOwnProperty.call(x, i) ? Stringify(x[i], depth - 1) : "");
+ }
+ return "[" + elems.join(", ") + "]";
+ }
+ try {
+ var string = String(x);
+ if (string && string !== "[object Object]") return string;
+ } catch(e) {}
+ var props = [];
+ for (var name in x) {
+ var desc = Object.getOwnPropertyDescriptor(x, name);
+ if (desc === void 0) continue;
+ if ("value" in desc) {
+ props.push(name + ": " + Stringify(desc.value, depth - 1));
+ }
+ if ("get" in desc) {
+ var getter = desc.get.toString();
+ props.push("get " + name + getter.slice(getter.indexOf('(')));
+ }
+ if ("set" in desc) {
+ var setter = desc.set.toString();
+ props.push("set " + name + setter.slice(setter.indexOf('(')));
+ }
+ }
+ return "{" + props.join(", ") + "}";
+ default:
+ return "[crazy non-standard shit]";
+ }
+}
View Lorry Controller Status