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worker.js
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worker.js
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(function () {
'use strict';
// Generated by CommonJS Everywhere 0.9.7
(function (global) {
global = global || self;
function require(file, parentModule) {
if ({}.hasOwnProperty.call(require.cache, file))
return require.cache[file];
var resolved = require.resolve(file);
if (!resolved)
throw new Error('Failed to resolve module ' + file);
var module$ = {
id: file,
require: require,
filename: file,
exports: {},
loaded: false,
parent: parentModule,
children: []
};
if (parentModule)
parentModule.children.push(module$);
var dirname = file.slice(0, file.lastIndexOf('/') + 1);
require.cache[file] = module$.exports;
resolved.call(module$.exports, module$, module$.exports, dirname, file);
module$.loaded = true;
return require.cache[file] = module$.exports;
}
require.modules = {};
require.cache = {};
require.resolve = function (file) {
return {}.hasOwnProperty.call(require.modules, file) ? require.modules[file] : void 0;
};
require.define = function (file, fn) {
require.modules[file] = fn;
};
var process = function () {
var cwd = '/';
return {
title: 'browser',
version: 'v7.4.0',
browser: true,
env: {},
argv: [],
nextTick: global.setImmediate || function (fn) {
setTimeout(fn, 0);
},
cwd: function () {
return cwd;
},
chdir: function (dir) {
cwd = dir;
}
};
}();
require.define('/tools/entry-point.js', function (module, exports, __dirname, __filename) {
(function () {
'use strict';
global.escodegen = require('/escodegen.js', module);
escodegen.browser = true;
}());
});
require.define('/escodegen.js', function (module, exports, __dirname, __filename) {
(function () {
'use strict';
var Syntax, Precedence, BinaryPrecedence, SourceNode, estraverse, esutils, isArray, base, indent, json, renumber, hexadecimal, quotes, escapeless, newline, space, parentheses, semicolons, safeConcatenation, directive, extra, parse, sourceMap, sourceCode, preserveBlankLines, FORMAT_MINIFY, FORMAT_DEFAULTS;
estraverse = require('/node_modules/estraverse/estraverse.js', module);
esutils = require('/node_modules/esutils/lib/utils.js', module);
Syntax = estraverse.Syntax;
function isExpression(node) {
return CodeGenerator.Expression.hasOwnProperty(node.type);
}
function isStatement(node) {
return CodeGenerator.Statement.hasOwnProperty(node.type);
}
Precedence = {
Sequence: 0,
Yield: 1,
Await: 1,
Assignment: 1,
Conditional: 2,
ArrowFunction: 2,
LogicalOR: 3,
LogicalAND: 4,
BitwiseOR: 5,
BitwiseXOR: 6,
BitwiseAND: 7,
Equality: 8,
Relational: 9,
BitwiseSHIFT: 10,
Additive: 11,
Multiplicative: 12,
Unary: 13,
Postfix: 14,
Call: 15,
New: 16,
TaggedTemplate: 17,
Member: 18,
Primary: 19
};
BinaryPrecedence = {
'||': Precedence.LogicalOR,
'&&': Precedence.LogicalAND,
'|': Precedence.BitwiseOR,
'^': Precedence.BitwiseXOR,
'&': Precedence.BitwiseAND,
'==': Precedence.Equality,
'!=': Precedence.Equality,
'===': Precedence.Equality,
'!==': Precedence.Equality,
'is': Precedence.Equality,
'isnt': Precedence.Equality,
'<': Precedence.Relational,
'>': Precedence.Relational,
'<=': Precedence.Relational,
'>=': Precedence.Relational,
'in': Precedence.Relational,
'instanceof': Precedence.Relational,
'<<': Precedence.BitwiseSHIFT,
'>>': Precedence.BitwiseSHIFT,
'>>>': Precedence.BitwiseSHIFT,
'+': Precedence.Additive,
'-': Precedence.Additive,
'*': Precedence.Multiplicative,
'%': Precedence.Multiplicative,
'/': Precedence.Multiplicative
};
var F_ALLOW_IN = 1, F_ALLOW_CALL = 1 << 1, F_ALLOW_UNPARATH_NEW = 1 << 2, F_FUNC_BODY = 1 << 3, F_DIRECTIVE_CTX = 1 << 4, F_SEMICOLON_OPT = 1 << 5;
var E_FTT = F_ALLOW_CALL | F_ALLOW_UNPARATH_NEW, E_TTF = F_ALLOW_IN | F_ALLOW_CALL, E_TTT = F_ALLOW_IN | F_ALLOW_CALL | F_ALLOW_UNPARATH_NEW, E_TFF = F_ALLOW_IN, E_FFT = F_ALLOW_UNPARATH_NEW, E_TFT = F_ALLOW_IN | F_ALLOW_UNPARATH_NEW;
var S_TFFF = F_ALLOW_IN, S_TFFT = F_ALLOW_IN | F_SEMICOLON_OPT, S_FFFF = 0, S_TFTF = F_ALLOW_IN | F_DIRECTIVE_CTX, S_TTFF = F_ALLOW_IN | F_FUNC_BODY;
function getDefaultOptions() {
return {
indent: null,
base: null,
parse: null,
comment: false,
format: {
indent: {
style: ' ',
base: 0,
adjustMultilineComment: false
},
newline: '\n',
space: ' ',
json: false,
renumber: false,
hexadecimal: false,
quotes: 'single',
escapeless: false,
compact: false,
parentheses: true,
semicolons: true,
safeConcatenation: false,
preserveBlankLines: false
},
moz: {
comprehensionExpressionStartsWithAssignment: false,
starlessGenerator: false
},
sourceMap: null,
sourceMapRoot: null,
sourceMapWithCode: false,
directive: false,
raw: true,
verbatim: null,
sourceCode: null
};
}
function stringRepeat(str, num) {
var result = '';
for (num |= 0; num > 0; num >>>= 1, str += str) {
if (num & 1) {
result += str;
}
}
return result;
}
isArray = Array.isArray;
if (!isArray) {
isArray = function isArray(array) {
return Object.prototype.toString.call(array) === '[object Array]';
};
}
function hasLineTerminator(str) {
return /[\r\n]/g.test(str);
}
function endsWithLineTerminator(str) {
var len = str.length;
return len && esutils.code.isLineTerminator(str.charCodeAt(len - 1));
}
function merge(target, override) {
var key;
for (key in override) {
if (override.hasOwnProperty(key)) {
target[key] = override[key];
}
}
return target;
}
function updateDeeply(target, override) {
var key, val;
function isHashObject(target) {
return typeof target === 'object' && target instanceof Object && !(target instanceof RegExp);
}
for (key in override) {
if (override.hasOwnProperty(key)) {
val = override[key];
if (isHashObject(val)) {
if (isHashObject(target[key])) {
updateDeeply(target[key], val);
} else {
target[key] = updateDeeply({}, val);
}
} else {
target[key] = val;
}
}
}
return target;
}
function generateNumber(value) {
var result, point, temp, exponent, pos;
if (value !== value) {
throw new Error('Numeric literal whose value is NaN');
}
if (value < 0 || value === 0 && 1 / value < 0) {
throw new Error('Numeric literal whose value is negative');
}
if (value === 1 / 0) {
return json ? 'null' : renumber ? '1e400' : '1e+400';
}
result = '' + value;
if (!renumber || result.length < 3) {
return result;
}
point = result.indexOf('.');
if (!json && result.charCodeAt(0) === 48 && point === 1) {
point = 0;
result = result.slice(1);
}
temp = result;
result = result.replace('e+', 'e');
exponent = 0;
if ((pos = temp.indexOf('e')) > 0) {
exponent = +temp.slice(pos + 1);
temp = temp.slice(0, pos);
}
if (point >= 0) {
exponent -= temp.length - point - 1;
temp = +(temp.slice(0, point) + temp.slice(point + 1)) + '';
}
pos = 0;
while (temp.charCodeAt(temp.length + pos - 1) === 48) {
--pos;
}
if (pos !== 0) {
exponent -= pos;
temp = temp.slice(0, pos);
}
if (exponent !== 0) {
temp += 'e' + exponent;
}
if ((temp.length < result.length || hexadecimal && value > 1e12 && Math.floor(value) === value && (temp = '0x' + value.toString(16)).length < result.length) && +temp === value) {
result = temp;
}
return result;
}
function escapeRegExpCharacter(ch, previousIsBackslash) {
if ((ch & ~1) === 8232) {
return (previousIsBackslash ? 'u' : '\\u') + (ch === 8232 ? '2028' : '2029');
} else if (ch === 10 || ch === 13) {
return (previousIsBackslash ? '' : '\\') + (ch === 10 ? 'n' : 'r');
}
return String.fromCharCode(ch);
}
function generateRegExp(reg) {
var match, result, flags, i, iz, ch, characterInBrack, previousIsBackslash;
result = reg.toString();
if (reg.source) {
match = result.match(/\/([^\/]*)$/);
if (!match) {
return result;
}
flags = match[1];
result = '';
characterInBrack = false;
previousIsBackslash = false;
for (i = 0, iz = reg.source.length; i < iz; ++i) {
ch = reg.source.charCodeAt(i);
if (!previousIsBackslash) {
if (characterInBrack) {
if (ch === 93) {
characterInBrack = false;
}
} else {
if (ch === 47) {
result += '\\';
} else if (ch === 91) {
characterInBrack = true;
}
}
result += escapeRegExpCharacter(ch, previousIsBackslash);
previousIsBackslash = ch === 92;
} else {
result += escapeRegExpCharacter(ch, previousIsBackslash);
previousIsBackslash = false;
}
}
return '/' + result + '/' + flags;
}
return result;
}
function escapeAllowedCharacter(code, next) {
var hex;
if (code === 8) {
return '\\b';
}
if (code === 12) {
return '\\f';
}
if (code === 9) {
return '\\t';
}
hex = code.toString(16).toUpperCase();
if (json || code > 255) {
return '\\u' + '0000'.slice(hex.length) + hex;
} else if (code === 0 && !esutils.code.isDecimalDigit(next)) {
return '\\0';
} else if (code === 11) {
return '\\x0B';
} else {
return '\\x' + '00'.slice(hex.length) + hex;
}
}
function escapeDisallowedCharacter(code) {
if (code === 92) {
return '\\\\';
}
if (code === 10) {
return '\\n';
}
if (code === 13) {
return '\\r';
}
if (code === 8232) {
return '\\u2028';
}
if (code === 8233) {
return '\\u2029';
}
throw new Error('Incorrectly classified character');
}
function escapeDirective(str) {
var i, iz, code, quote;
quote = quotes === 'double' ? '"' : "'";
for (i = 0, iz = str.length; i < iz; ++i) {
code = str.charCodeAt(i);
if (code === 39) {
quote = '"';
break;
} else if (code === 34) {
quote = "'";
break;
} else if (code === 92) {
++i;
}
}
return quote + str + quote;
}
function escapeString(str) {
var result = '', i, len, code, singleQuotes = 0, doubleQuotes = 0, single, quote;
for (i = 0, len = str.length; i < len; ++i) {
code = str.charCodeAt(i);
if (code === 39) {
++singleQuotes;
} else if (code === 34) {
++doubleQuotes;
} else if (code === 47 && json) {
result += '\\';
} else if (esutils.code.isLineTerminator(code) || code === 92) {
result += escapeDisallowedCharacter(code);
continue;
} else if (!esutils.code.isIdentifierPartES5(code) && (json && code < 32 || !json && !escapeless && (code < 32 || code > 126))) {
result += escapeAllowedCharacter(code, str.charCodeAt(i + 1));
continue;
}
result += String.fromCharCode(code);
}
single = !(quotes === 'double' || quotes === 'auto' && doubleQuotes < singleQuotes);
quote = single ? "'" : '"';
if (!(single ? singleQuotes : doubleQuotes)) {
return quote + result + quote;
}
str = result;
result = quote;
for (i = 0, len = str.length; i < len; ++i) {
code = str.charCodeAt(i);
if (code === 39 && single || code === 34 && !single) {
result += '\\';
}
result += String.fromCharCode(code);
}
return result + quote;
}
function flattenToString(arr) {
var i, iz, elem, result = '';
for (i = 0, iz = arr.length; i < iz; ++i) {
elem = arr[i];
result += isArray(elem) ? flattenToString(elem) : elem;
}
return result;
}
function toSourceNodeWhenNeeded(generated, node) {
if (!sourceMap) {
if (isArray(generated)) {
return flattenToString(generated);
} else {
return generated;
}
}
if (node == null) {
if (generated instanceof SourceNode) {
return generated;
} else {
node = {};
}
}
if (node.loc == null) {
return new SourceNode(null, null, sourceMap, generated, node.name || null);
}
return new SourceNode(node.loc.start.line, node.loc.start.column, sourceMap === true ? node.loc.source || null : sourceMap, generated, node.name || null);
}
function noEmptySpace() {
return space ? space : ' ';
}
function join(left, right) {
var leftSource, rightSource, leftCharCode, rightCharCode;
leftSource = toSourceNodeWhenNeeded(left).toString();
if (leftSource.length === 0) {
return [right];
}
rightSource = toSourceNodeWhenNeeded(right).toString();
if (rightSource.length === 0) {
return [left];
}
leftCharCode = leftSource.charCodeAt(leftSource.length - 1);
rightCharCode = rightSource.charCodeAt(0);
if ((leftCharCode === 43 || leftCharCode === 45) && leftCharCode === rightCharCode || esutils.code.isIdentifierPartES5(leftCharCode) && esutils.code.isIdentifierPartES5(rightCharCode) || leftCharCode === 47 && rightCharCode === 105) {
return [
left,
noEmptySpace(),
right
];
} else if (esutils.code.isWhiteSpace(leftCharCode) || esutils.code.isLineTerminator(leftCharCode) || esutils.code.isWhiteSpace(rightCharCode) || esutils.code.isLineTerminator(rightCharCode)) {
return [
left,
right
];
}
return [
left,
space,
right
];
}
function addIndent(stmt) {
return [
base,
stmt
];
}
function withIndent(fn) {
var previousBase;
previousBase = base;
base += indent;
fn(base);
base = previousBase;
}
function calculateSpaces(str) {
var i;
for (i = str.length - 1; i >= 0; --i) {
if (esutils.code.isLineTerminator(str.charCodeAt(i))) {
break;
}
}
return str.length - 1 - i;
}
function adjustMultilineComment(value, specialBase) {
var array, i, len, line, j, spaces, previousBase, sn;
array = value.split(/\r\n|[\r\n]/);
spaces = Number.MAX_VALUE;
for (i = 1, len = array.length; i < len; ++i) {
line = array[i];
j = 0;
while (j < line.length && esutils.code.isWhiteSpace(line.charCodeAt(j))) {
++j;
}
if (spaces > j) {
spaces = j;
}
}
if (typeof specialBase !== 'undefined') {
previousBase = base;
if (array[1][spaces] === '*') {
specialBase += ' ';
}
base = specialBase;
} else {
if (spaces & 1) {
--spaces;
}
previousBase = base;
}
for (i = 1, len = array.length; i < len; ++i) {
sn = toSourceNodeWhenNeeded(addIndent(array[i].slice(spaces)));
array[i] = sourceMap ? sn.join('') : sn;
}
base = previousBase;
return array.join('\n');
}
function generateComment(comment, specialBase) {
if (comment.type === 'Line') {
if (endsWithLineTerminator(comment.value)) {
return '//' + comment.value;
} else {
var result = '//' + comment.value;
if (!preserveBlankLines) {
result += '\n';
}
return result;
}
}
if (extra.format.indent.adjustMultilineComment && /[\n\r]/.test(comment.value)) {
return adjustMultilineComment('/*' + comment.value + '*/', specialBase);
}
return '/*' + comment.value + '*/';
}
function addComments(stmt, result) {
var i, len, comment, save, tailingToStatement, specialBase, fragment, extRange, range, prevRange, prefix, infix, suffix, count;
if (stmt.leadingComments && stmt.leadingComments.length > 0) {
save = result;
if (preserveBlankLines) {
comment = stmt.leadingComments[0];
result = [];
extRange = comment.extendedRange;
range = comment.range;
prefix = sourceCode.substring(extRange[0], range[0]);
count = (prefix.match(/\n/g) || []).length;
if (count > 0) {
result.push(stringRepeat('\n', count));
result.push(addIndent(generateComment(comment)));
} else {
result.push(prefix);
result.push(generateComment(comment));
}
prevRange = range;
for (i = 1, len = stmt.leadingComments.length; i < len; i++) {
comment = stmt.leadingComments[i];
range = comment.range;
infix = sourceCode.substring(prevRange[1], range[0]);
count = (infix.match(/\n/g) || []).length;
result.push(stringRepeat('\n', count));
result.push(addIndent(generateComment(comment)));
prevRange = range;
}
suffix = sourceCode.substring(range[1], extRange[1]);
count = (suffix.match(/\n/g) || []).length;
result.push(stringRepeat('\n', count));
} else {
comment = stmt.leadingComments[0];
result = [];
if (safeConcatenation && stmt.type === Syntax.Program && stmt.body.length === 0) {
result.push('\n');
}
result.push(generateComment(comment));
if (!endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) {
result.push('\n');
}
for (i = 1, len = stmt.leadingComments.length; i < len; ++i) {
comment = stmt.leadingComments[i];
fragment = [generateComment(comment)];
if (!endsWithLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) {
fragment.push('\n');
}
result.push(addIndent(fragment));
}
}
result.push(addIndent(save));
}
if (stmt.trailingComments) {
if (preserveBlankLines) {
comment = stmt.trailingComments[0];
extRange = comment.extendedRange;
range = comment.range;
prefix = sourceCode.substring(extRange[0], range[0]);
count = (prefix.match(/\n/g) || []).length;
if (count > 0) {
result.push(stringRepeat('\n', count));
result.push(addIndent(generateComment(comment)));
} else {
result.push(prefix);
result.push(generateComment(comment));
}
} else {
tailingToStatement = !endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString());
specialBase = stringRepeat(' ', calculateSpaces(toSourceNodeWhenNeeded([
base,
result,
indent
]).toString()));
for (i = 0, len = stmt.trailingComments.length; i < len; ++i) {
comment = stmt.trailingComments[i];
if (tailingToStatement) {
if (i === 0) {
result = [
result,
indent
];
} else {
result = [
result,
specialBase
];
}
result.push(generateComment(comment, specialBase));
} else {
result = [
result,
addIndent(generateComment(comment))
];
}
if (i !== len - 1 && !endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) {
result = [
result,
'\n'
];
}
}
}
}
return result;
}
function generateBlankLines(start, end, result) {
var j, newlineCount = 0;
for (j = start; j < end; j++) {
if (sourceCode[j] === '\n') {
newlineCount++;
}
}
for (j = 1; j < newlineCount; j++) {
result.push(newline);
}
}
function parenthesize(text, current, should) {
if (current < should) {
return [
'(',
text,
')'
];
}
return text;
}
function generateVerbatimString(string) {
var i, iz, result;
result = string.split(/\r\n|\n/);
for (i = 1, iz = result.length; i < iz; i++) {
result[i] = newline + base + result[i];
}
return result;
}
function generateVerbatim(expr, precedence) {
var verbatim, result, prec;
verbatim = expr[extra.verbatim];
if (typeof verbatim === 'string') {
result = parenthesize(generateVerbatimString(verbatim), Precedence.Sequence, precedence);
} else {
result = generateVerbatimString(verbatim.content);
prec = verbatim.precedence != null ? verbatim.precedence : Precedence.Sequence;
result = parenthesize(result, prec, precedence);
}
return toSourceNodeWhenNeeded(result, expr);
}
function CodeGenerator() {
}
CodeGenerator.prototype.maybeBlock = function (stmt, flags) {
var result, noLeadingComment, that = this;
noLeadingComment = !extra.comment || !stmt.leadingComments;
if (stmt.type === Syntax.BlockStatement && noLeadingComment) {
return [
space,
this.generateStatement(stmt, flags)
];
}
if (stmt.type === Syntax.EmptyStatement && noLeadingComment) {
return ';';
}
withIndent(function () {
result = [
newline,
addIndent(that.generateStatement(stmt, flags))
];
});
return result;
};
CodeGenerator.prototype.maybeBlockSuffix = function (stmt, result) {
var ends = endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString());
if (stmt.type === Syntax.BlockStatement && (!extra.comment || !stmt.leadingComments) && !ends) {
return [
result,
space
];
}
if (ends) {
return [
result,
base
];
}
return [
result,
newline,
base
];
};
function generateIdentifier(node) {
return toSourceNodeWhenNeeded(node.name, node);
}
function generateAsyncPrefix(node, spaceRequired) {
return node.async ? 'async' + (spaceRequired ? noEmptySpace() : space) : '';
}
function generateStarSuffix(node) {
var isGenerator = node.generator && !extra.moz.starlessGenerator;
return isGenerator ? '*' + space : '';
}
function generateMethodPrefix(prop) {
var func = prop.value;
if (func.async) {
return generateAsyncPrefix(func, !prop.computed);
} else {
return generateStarSuffix(func) ? '*' : '';
}
}
CodeGenerator.prototype.generatePattern = function (node, precedence, flags) {
if (node.type === Syntax.Identifier) {
return generateIdentifier(node);
}
return this.generateExpression(node, precedence, flags);
};
CodeGenerator.prototype.generateFunctionParams = function (node) {
var i, iz, result, hasDefault;
hasDefault = false;
if (node.type === Syntax.ArrowFunctionExpression && !node.rest && (!node.defaults || node.defaults.length === 0) && node.params.length === 1 && node.params[0].type === Syntax.Identifier) {
result = [
generateAsyncPrefix(node, true),
generateIdentifier(node.params[0])
];
} else {
result = node.type === Syntax.ArrowFunctionExpression ? [generateAsyncPrefix(node, false)] : [];
result.push('(');
if (node.defaults) {
hasDefault = true;
}
for (i = 0, iz = node.params.length; i < iz; ++i) {
if (hasDefault && node.defaults[i]) {
result.push(this.generateAssignment(node.params[i], node.defaults[i], '=', Precedence.Assignment, E_TTT));
} else {
result.push(this.generatePattern(node.params[i], Precedence.Assignment, E_TTT));
}
if (i + 1 < iz) {
result.push(',' + space);
}
}
if (node.rest) {
if (node.params.length) {
result.push(',' + space);
}
result.push('...');
result.push(generateIdentifier(node.rest));
}
result.push(')');
}
return result;
};
CodeGenerator.prototype.generateFunctionBody = function (node) {
var result, expr;
result = this.generateFunctionParams(node);
if (node.type === Syntax.ArrowFunctionExpression) {
result.push(space);
result.push('=>');
}
if (node.expression) {
result.push(space);
expr = this.generateExpression(node.body, Precedence.Assignment, E_TTT);
if (expr.toString().charAt(0) === '{') {
expr = [
'(',
expr,
')'
];
}
result.push(expr);
} else {
result.push(this.maybeBlock(node.body, S_TTFF));
}
return result;
};
CodeGenerator.prototype.generateIterationForStatement = function (operator, stmt, flags) {
var result = ['for' + space + '('], that = this;
withIndent(function () {
if (stmt.left.type === Syntax.VariableDeclaration) {
withIndent(function () {
result.push(stmt.left.kind + noEmptySpace());
result.push(that.generateStatement(stmt.left.declarations[0], S_FFFF));
});
} else {
result.push(that.generateExpression(stmt.left, Precedence.Call, E_TTT));
}
result = join(result, operator);
result = [
join(result, that.generateExpression(stmt.right, Precedence.Sequence, E_TTT)),
')'
];
});
result.push(this.maybeBlock(stmt.body, flags));
return result;
};
CodeGenerator.prototype.generatePropertyKey = function (expr, computed, value) {
var result = [];
if (computed) {
result.push('[');
}
if (value.type === 'AssignmentPattern') {
result.push(this.AssignmentPattern(value, Precedence.Sequence, E_TTT));
} else {
result.push(this.generateExpression(expr, Precedence.Sequence, E_TTT));
}
if (computed) {
result.push(']');
}
return result;
};
CodeGenerator.prototype.generateAssignment = function (left, right, operator, precedence, flags) {
if (Precedence.Assignment < precedence) {
flags |= F_ALLOW_IN;
}
return parenthesize([
this.generateExpression(left, Precedence.Call, flags),
space + operator + space,
this.generateExpression(right, Precedence.Assignment, flags)
], Precedence.Assignment, precedence);
};
CodeGenerator.prototype.semicolon = function (flags) {
if (!semicolons && flags & F_SEMICOLON_OPT) {
return '';
}
return ';';
};
CodeGenerator.Statement = {
BlockStatement: function (stmt, flags) {
var range, content, result = [
'{',
newline
], that = this;
withIndent(function () {
if (stmt.body.length === 0 && preserveBlankLines) {
range = stmt.range;
if (range[1] - range[0] > 2) {
content = sourceCode.substring(range[0] + 1, range[1] - 1);
if (content[0] === '\n') {
result = ['{'];
}
result.push(content);
}
}
var i, iz, fragment, bodyFlags;
bodyFlags = S_TFFF;
if (flags & F_FUNC_BODY) {
bodyFlags |= F_DIRECTIVE_CTX;
}
for (i = 0, iz = stmt.body.length; i < iz; ++i) {
if (preserveBlankLines) {
if (i === 0) {
if (stmt.body[0].leadingComments) {
range = stmt.body[0].leadingComments[0].extendedRange;
content = sourceCode.substring(range[0], range[1]);
if (content[0] === '\n') {
result = ['{'];
}
}
if (!stmt.body[0].leadingComments) {
generateBlankLines(stmt.range[0], stmt.body[0].range[0], result);
}
}
if (i > 0) {
if (!stmt.body[i - 1].trailingComments && !stmt.body[i].leadingComments) {
generateBlankLines(stmt.body[i - 1].range[1], stmt.body[i].range[0], result);
}
}
}
if (i === iz - 1) {
bodyFlags |= F_SEMICOLON_OPT;
}
if (stmt.body[i].leadingComments && preserveBlankLines) {
fragment = that.generateStatement(stmt.body[i], bodyFlags);
} else {
fragment = addIndent(that.generateStatement(stmt.body[i], bodyFlags));
}
result.push(fragment);
if (!endsWithLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) {
if (preserveBlankLines && i < iz - 1) {
if (!stmt.body[i + 1].leadingComments) {
result.push(newline);
}
} else {
result.push(newline);
}
}
if (preserveBlankLines) {
if (i === iz - 1) {
if (!stmt.body[i].trailingComments) {
generateBlankLines(stmt.body[i].range[1], stmt.range[1], result);
}
}
}
}
});
result.push(addIndent('}'));
return result;
},
BreakStatement: function (stmt, flags) {
if (stmt.label) {
return 'break ' + stmt.label.name + this.semicolon(flags);
}
return 'break' + this.semicolon(flags);
},
ContinueStatement: function (stmt, flags) {
if (stmt.label) {
return 'continue ' + stmt.label.name + this.semicolon(flags);
}
return 'continue' + this.semicolon(flags);
},
ClassBody: function (stmt, flags) {
var result = [
'{',
newline
], that = this;
withIndent(function (indent) {
var i, iz;
for (i = 0, iz = stmt.body.length; i < iz; ++i) {
result.push(indent);
result.push(that.generateExpression(stmt.body[i], Precedence.Sequence, E_TTT));
if (i + 1 < iz) {
result.push(newline);
}
}
});
if (!endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) {
result.push(newline);
}
result.push(base);
result.push('}');
return result;
},
ClassDeclaration: function (stmt, flags) {
var result, fragment;
result = ['class'];
if (stmt.id) {
result = join(result, this.generateExpression(stmt.id, Precedence.Sequence, E_TTT));
}
if (stmt.superClass) {
fragment = join('extends', this.generateExpression(stmt.superClass, Precedence.Assignment, E_TTT));
result = join(result, fragment);
}
result.push(space);
result.push(this.generateStatement(stmt.body, S_TFFT));
return result;
},
DirectiveStatement: function (stmt, flags) {
if (extra.raw && stmt.raw) {
return stmt.raw + this.semicolon(flags);
}
return escapeDirective(stmt.directive) + this.semicolon(flags);
},
DoWhileStatement: function (stmt, flags) {
var result = join('do', this.maybeBlock(stmt.body, S_TFFF));
result = this.maybeBlockSuffix(stmt.body, result);
return join(result, [
'while' + space + '(',
this.generateExpression(stmt.test, Precedence.Sequence, E_TTT),
')' + this.semicolon(flags)
]);
},
CatchClause: function (stmt, flags) {
var result, that = this;
withIndent(function () {
var guard;
result = [
'catch' + space + '(',