diff options
Diffstat (limited to 'node_modules/escodegen/escodegen.js')
| -rw-r--r-- | node_modules/escodegen/escodegen.js | 2607 |
1 files changed, 0 insertions, 2607 deletions
diff --git a/node_modules/escodegen/escodegen.js b/node_modules/escodegen/escodegen.js deleted file mode 100644 index 6202819e0..000000000 --- a/node_modules/escodegen/escodegen.js +++ /dev/null @@ -1,2607 +0,0 @@ -/* - Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com> - Copyright (C) 2015 Ingvar Stepanyan <me@rreverser.com> - Copyright (C) 2014 Ivan Nikulin <ifaaan@gmail.com> - Copyright (C) 2012-2013 Michael Ficarra <escodegen.copyright@michael.ficarra.me> - Copyright (C) 2012-2013 Mathias Bynens <mathias@qiwi.be> - Copyright (C) 2013 Irakli Gozalishvili <rfobic@gmail.com> - Copyright (C) 2012 Robert Gust-Bardon <donate@robert.gust-bardon.org> - Copyright (C) 2012 John Freeman <jfreeman08@gmail.com> - Copyright (C) 2011-2012 Ariya Hidayat <ariya.hidayat@gmail.com> - Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl> - Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com> - Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com> - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -/*global exports:true, require:true, global:true*/ -(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('estraverse'); - esutils = require('esutils'); - - Syntax = estraverse.Syntax; - - // Generation is done by generateExpression. - function isExpression(node) { - return CodeGenerator.Expression.hasOwnProperty(node.type); - } - - // Generation is done by generateStatement. - 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 - }; - - //Flags - 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; - - //Expression flag sets - //NOTE: Flag order: - // F_ALLOW_IN - // F_ALLOW_CALL - // F_ALLOW_UNPARATH_NEW - 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; - - //Statement flag sets - //NOTE: Flag order: - // F_ALLOW_IN - // F_FUNC_BODY - // F_DIRECTIVE_CTX - // F_SEMICOLON_OPT - var S_TFFF = F_ALLOW_IN, - S_TFFT = F_ALLOW_IN | F_SEMICOLON_OPT, - S_FFFF = 0x00, - S_TFTF = F_ALLOW_IN | F_DIRECTIVE_CTX, - S_TTFF = F_ALLOW_IN | F_FUNC_BODY; - - function getDefaultOptions() { - // default options - 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) === 0x30 /* 0 */ && 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) === 0x30 /* 0 */) { - --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; - } - - // Generate valid RegExp expression. - // This function is based on https://github.com/Constellation/iv Engine - - function escapeRegExpCharacter(ch, previousIsBackslash) { - // not handling '\' and handling \u2028 or \u2029 to unicode escape sequence - if ((ch & ~1) === 0x2028) { - return (previousIsBackslash ? 'u' : '\\u') + ((ch === 0x2028) ? '2028' : '2029'); - } else if (ch === 10 || ch === 13) { // \n, \r - 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) { - // extract flag from toString result - 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 { - // if new RegExp("\\\n') is provided, create /\n/ - result += escapeRegExpCharacter(ch, previousIsBackslash); - // prevent like /\\[/]/ - previousIsBackslash = false; - } - } - - return '/' + result + '/' + flags; - } - - return result; - } - - function escapeAllowedCharacter(code, next) { - var hex; - - if (code === 0x08 /* \b */) { - return '\\b'; - } - - if (code === 0x0C /* \f */) { - return '\\f'; - } - - if (code === 0x09 /* \t */) { - return '\\t'; - } - - hex = code.toString(16).toUpperCase(); - if (json || code > 0xFF) { - return '\\u' + '0000'.slice(hex.length) + hex; - } else if (code === 0x0000 && !esutils.code.isDecimalDigit(next)) { - return '\\0'; - } else if (code === 0x000B /* \v */) { // '\v' - return '\\x0B'; - } else { - return '\\x' + '00'.slice(hex.length) + hex; - } - } - - function escapeDisallowedCharacter(code) { - if (code === 0x5C /* \ */) { - return '\\\\'; - } - - if (code === 0x0A /* \n */) { - return '\\n'; - } - - if (code === 0x0D /* \r */) { - return '\\r'; - } - - if (code === 0x2028) { - return '\\u2028'; - } - - if (code === 0x2029) { - 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 === 0x27 /* ' */) { - quote = '"'; - break; - } else if (code === 0x22 /* " */) { - quote = '\''; - break; - } else if (code === 0x5C /* \ */) { - ++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 === 0x27 /* ' */) { - ++singleQuotes; - } else if (code === 0x22 /* " */) { - ++doubleQuotes; - } else if (code === 0x2F /* / */ && json) { - result += '\\'; - } else if (esutils.code.isLineTerminator(code) || code === 0x5C /* \ */) { - result += escapeDisallowedCharacter(code); - continue; - } else if (!esutils.code.isIdentifierPartES5(code) && (json && code < 0x20 /* SP */ || !json && !escapeless && (code < 0x20 /* SP */ || code > 0x7E /* ~ */))) { - 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 === 0x27 /* ' */ && single) || (code === 0x22 /* " */ && !single)) { - result += '\\'; - } - result += String.fromCharCode(code); - } - - return result + quote; - } - - /** - * flatten an array to a string, where the array can contain - * either strings or nested arrays - */ - 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; - } - - /** - * convert generated to a SourceNode when source maps are enabled. - */ - function toSourceNodeWhenNeeded(generated, node) { - if (!sourceMap) { - // with no source maps, generated is either an - // array or a string. if an array, flatten it. - // if a string, just return it - 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 === 0x2B /* + */ || leftCharCode === 0x2D /* - */) && leftCharCode === rightCharCode || - esutils.code.isIdentifierPartES5(leftCharCode) && esutils.code.isIdentifierPartES5(rightCharCode) || - leftCharCode === 0x2F /* / */ && rightCharCode === 0x69 /* i */) { // infix word operators all start with `i` - 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; - - // first line doesn't have indentation - 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') { - // pattern like - // { - // var t = 20; /* - // * this is comment - // */ - // } - previousBase = base; - if (array[1][spaces] === '*') { - specialBase += ' '; - } - base = specialBase; - } else { - if (spaces & 1) { - // /* - // * - // */ - // If spaces are odd number, above pattern is considered. - // We waste 1 space. - --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 { - // Always use LineTerminator - 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) { - // We assume target like following script - // - // var t = 20; /** - // * This is comment of t - // */ - if (i === 0) { - // first case - 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 { - // verbatim is object - result = generateVerbatimString(verbatim.content); - prec = (verbatim.precedence != null) ? verbatim.precedence : Precedence.Sequence; - result = parenthesize(result, prec, precedence); - } - - return toSourceNodeWhenNeeded(result, expr); - } - - function CodeGenerator() { - } - - // Helpers. - - 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 { - // avoid space before method name - 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) { - // arg => { } case - 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]) { - // Handle default values. - 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 ';'; - }; - - // Statements. - - CodeGenerator.Statement = { - - BlockStatement: function (stmt, flags) { - var range, content, result = ['{', newline], that = this; - - withIndent(function () { - // handle functions without any code - 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) { - // handle spaces before the first line - 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); - } - } - - // handle spaces between lines - 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) { - // don't add a new line if there are leading coments - // in the next statement - if (!stmt.body[i + 1].leadingComments) { - result.push(newline); - } - } else { - result.push(newline); - } - } - - if (preserveBlankLines) { - // handle spaces after the last line - 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) { - // Because `do 42 while (cond)` is Syntax Error. We need semicolon. - 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 + '(', - that.generateExpression(stmt.param, Precedence.Sequence, E_TTT), - ')' - ]; - - if (stmt.guard) { - guard = that.generateExpression(stmt.guard, Precedence.Sequence, E_TTT); - result.splice(2, 0, ' if ', guard); - } - }); - result.push(this.maybeBlock(stmt.body, S_TFFF)); - return result; - }, - - DebuggerStatement: function (stmt, flags) { - return 'debugger' + this.semicolon(flags); - }, - - EmptyStatement: function (stmt, flags) { - return ';'; - }, - - ExportDefaultDeclaration: function (stmt, flags) { - var result = [ 'export' ], bodyFlags; - - bodyFlags = (flags & F_SEMICOLON_OPT) ? S_TFFT : S_TFFF; - - // export default HoistableDeclaration[Default] - // export default AssignmentExpression[In] ; - result = join(result, 'default'); - if (isStatement(stmt.declaration)) { - result = join(result, this.generateStatement(stmt.declaration, bodyFlags)); - } else { - result = join(result, this.generateExpression(stmt.declaration, Precedence.Assignment, E_TTT) + this.semicolon(flags)); - } - return result; - }, - - ExportNamedDeclaration: function (stmt, flags) { - var result = [ 'export' ], bodyFlags, that = this; - - bodyFlags = (flags & F_SEMICOLON_OPT) ? S_TFFT : S_TFFF; - - // export VariableStatement - // export Declaration[Default] - if (stmt.declaration) { - return join(result, this.generateStatement(stmt.declaration, bodyFlags)); - } - - // export ExportClause[NoReference] FromClause ; - // export ExportClause ; - if (stmt.specifiers) { - if (stmt.specifiers.length === 0) { - result = join(result, '{' + space + '}'); - } else if (stmt.specifiers[0].type === Syntax.ExportBatchSpecifier) { - result = join(result, this.generateExpression(stmt.specifiers[0], Precedence.Sequence, E_TTT)); - } else { - result = join(result, '{'); - withIndent(function (indent) { - var i, iz; - result.push(newline); - for (i = 0, iz = stmt.specifiers.length; i < iz; ++i) { - result.push(indent); - result.push(that.generateExpression(stmt.specifiers[i], Precedence.Sequence, E_TTT)); - if (i + 1 < iz) { - result.push(',' + newline); - } - } - }); - if (!endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) { - result.push(newline); - } - result.push(base + '}'); - } - - if (stmt.source) { - result = join(result, [ - 'from' + space, - // ModuleSpecifier - this.generateExpression(stmt.source, Precedence.Sequence, E_TTT), - this.semicolon(flags) - ]); - } else { - result.push(this.semicolon(flags)); - } - } - return result; - }, - - ExportAllDeclaration: function (stmt, flags) { - // export * FromClause ; - return [ - 'export' + space, - '*' + space, - 'from' + space, - // ModuleSpecifier - this.generateExpression(stmt.source, Precedence.Sequence, E_TTT), - this.semicolon(flags) - ]; - }, - - ExpressionStatement: function (stmt, flags) { - var result, fragment; - - function isClassPrefixed(fragment) { - var code; - if (fragment.slice(0, 5) !== 'class') { - return false; - } - code = fragment.charCodeAt(5); - return code === 0x7B /* '{' */ || esutils.code.isWhiteSpace(code) || esutils.code.isLineTerminator(code); - } - - function isFunctionPrefixed(fragment) { - var code; - if (fragment.slice(0, 8) !== 'function') { - return false; - } - code = fragment.charCodeAt(8); - return code === 0x28 /* '(' */ || esutils.code.isWhiteSpace(code) || code === 0x2A /* '*' */ || esutils.code.isLineTerminator(code); - } - - function isAsyncPrefixed(fragment) { - var code, i, iz; - if (fragment.slice(0, 5) !== 'async') { - return false; - } - if (!esutils.code.isWhiteSpace(fragment.charCodeAt(5))) { - return false; - } - for (i = 6, iz = fragment.length; i < iz; ++i) { - if (!esutils.code.isWhiteSpace(fragment.charCodeAt(i))) { - break; - } - } - if (i === iz) { - return false; - } - if (fragment.slice(i, i + 8) !== 'function') { - return false; - } - code = fragment.charCodeAt(i + 8); - return code === 0x28 /* '(' */ || esutils.code.isWhiteSpace(code) || code === 0x2A /* '*' */ || esutils.code.isLineTerminator(code); - } - - result = [this.generateExpression(stmt.expression, Precedence.Sequence, E_TTT)]; - // 12.4 '{', 'function', 'class' is not allowed in this position. - // wrap expression with parentheses - fragment = toSourceNodeWhenNeeded(result).toString(); - if (fragment.charCodeAt(0) === 0x7B /* '{' */ || // ObjectExpression - isClassPrefixed(fragment) || - isFunctionPrefixed(fragment) || - isAsyncPrefixed(fragment) || - (directive && (flags & F_DIRECTIVE_CTX) && stmt.expression.type === Syntax.Literal && typeof stmt.expression.value === 'string')) { - result = ['(', result, ')' + this.semicolon(flags)]; - } else { - result.push(this.semicolon(flags)); - } - return result; - }, - - ImportDeclaration: function (stmt, flags) { - // ES6: 15.2.1 valid import declarations: - // - import ImportClause FromClause ; - // - import ModuleSpecifier ; - var result, cursor, that = this; - - // If no ImportClause is present, - // this should be `import ModuleSpecifier` so skip `from` - // ModuleSpecifier is StringLiteral. - if (stmt.specifiers.length === 0) { - // import ModuleSpecifier ; - return [ - 'import', - space, - // ModuleSpecifier - this.generateExpression(stmt.source, Precedence.Sequence, E_TTT), - this.semicolon(flags) - ]; - } - - // import ImportClause FromClause ; - result = [ - 'import' - ]; - cursor = 0; - - // ImportedBinding - if (stmt.specifiers[cursor].type === Syntax.ImportDefaultSpecifier) { - result = join(result, [ - this.generateExpression(stmt.specifiers[cursor], Precedence.Sequence, E_TTT) - ]); - ++cursor; - } - - if (stmt.specifiers[cursor]) { - if (cursor !== 0) { - result.push(','); - } - - if (stmt.specifiers[cursor].type === Syntax.ImportNamespaceSpecifier) { - // NameSpaceImport - result = join(result, [ - space, - this.generateExpression(stmt.specifiers[cursor], Precedence.Sequence, E_TTT) - ]); - } else { - // NamedImports - result.push(space + '{'); - - if ((stmt.specifiers.length - cursor) === 1) { - // import { ... } from "..."; - result.push(space); - result.push(this.generateExpression(stmt.specifiers[cursor], Precedence.Sequence, E_TTT)); - result.push(space + '}' + space); - } else { - // import { - // ..., - // ..., - // } from "..."; - withIndent(function (indent) { - var i, iz; - result.push(newline); - for (i = cursor, iz = stmt.specifiers.length; i < iz; ++i) { - result.push(indent); - result.push(that.generateExpression(stmt.specifiers[i], Precedence.Sequence, E_TTT)); - if (i + 1 < iz) { - result.push(',' + newline); - } - } - }); - if (!endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) { - result.push(newline); - } - result.push(base + '}' + space); - } - } - } - - result = join(result, [ - 'from' + space, - // ModuleSpecifier - this.generateExpression(stmt.source, Precedence.Sequence, E_TTT), - this.semicolon(flags) - ]); - return result; - }, - - VariableDeclarator: function (stmt, flags) { - var itemFlags = (flags & F_ALLOW_IN) ? E_TTT : E_FTT; - if (stmt.init) { - return [ - this.generateExpression(stmt.id, Precedence.Assignment, itemFlags), - space, - '=', - space, - this.generateExpression(stmt.init, Precedence.Assignment, itemFlags) - ]; - } - return this.generatePattern(stmt.id, Precedence.Assignment, itemFlags); - }, - - VariableDeclaration: function (stmt, flags) { - // VariableDeclarator is typed as Statement, - // but joined with comma (not LineTerminator). - // So if comment is attached to target node, we should specialize. - var result, i, iz, node, bodyFlags, that = this; - - result = [ stmt.kind ]; - - bodyFlags = (flags & F_ALLOW_IN) ? S_TFFF : S_FFFF; - - function block() { - node = stmt.declarations[0]; - if (extra.comment && node.leadingComments) { - result.push('\n'); - result.push(addIndent(that.generateStatement(node, bodyFlags))); - } else { - result.push(noEmptySpace()); - result.push(that.generateStatement(node, bodyFlags)); - } - - for (i = 1, iz = stmt.declarations.length; i < iz; ++i) { - node = stmt.declarations[i]; - if (extra.comment && node.leadingComments) { - result.push(',' + newline); - result.push(addIndent(that.generateStatement(node, bodyFlags))); - } else { - result.push(',' + space); - result.push(that.generateStatement(node, bodyFlags)); - } - } - } - - if (stmt.declarations.length > 1) { - withIndent(block); - } else { - block(); - } - - result.push(this.semicolon(flags)); - - return result; - }, - - ThrowStatement: function (stmt, flags) { - return [join( - 'throw', - this.generateExpression(stmt.argument, Precedence.Sequence, E_TTT) - ), this.semicolon(flags)]; - }, - - TryStatement: function (stmt, flags) { - var result, i, iz, guardedHandlers; - - result = ['try', this.maybeBlock(stmt.block, S_TFFF)]; - result = this.maybeBlockSuffix(stmt.block, result); - - if (stmt.handlers) { - // old interface - for (i = 0, iz = stmt.handlers.length; i < iz; ++i) { - result = join(result, this.generateStatement(stmt.handlers[i], S_TFFF)); - if (stmt.finalizer || i + 1 !== iz) { - result = this.maybeBlockSuffix(stmt.handlers[i].body, result); - } - } - } else { - guardedHandlers = stmt.guardedHandlers || []; - - for (i = 0, iz = guardedHandlers.length; i < iz; ++i) { - result = join(result, this.generateStatement(guardedHandlers[i], S_TFFF)); - if (stmt.finalizer || i + 1 !== iz) { - result = this.maybeBlockSuffix(guardedHandlers[i].body, result); - } - } - - // new interface - if (stmt.handler) { - if (isArray(stmt.handler)) { - for (i = 0, iz = stmt.handler.length; i < iz; ++i) { - result = join(result, this.generateStatement(stmt.handler[i], S_TFFF)); - if (stmt.finalizer || i + 1 !== iz) { - result = this.maybeBlockSuffix(stmt.handler[i].body, result); - } - } - } else { - result = join(result, this.generateStatement(stmt.handler, S_TFFF)); - if (stmt.finalizer) { - result = this.maybeBlockSuffix(stmt.handler.body, result); - } - } - } - } - if (stmt.finalizer) { - result = join(result, ['finally', this.maybeBlock(stmt.finalizer, S_TFFF)]); - } - return result; - }, - - SwitchStatement: function (stmt, flags) { - var result, fragment, i, iz, bodyFlags, that = this; - withIndent(function () { - result = [ - 'switch' + space + '(', - that.generateExpression(stmt.discriminant, Precedence.Sequence, E_TTT), - ')' + space + '{' + newline - ]; - }); - if (stmt.cases) { - bodyFlags = S_TFFF; - for (i = 0, iz = stmt.cases.length; i < iz; ++i) { - if (i === iz - 1) { - bodyFlags |= F_SEMICOLON_OPT; - } - fragment = addIndent(this.generateStatement(stmt.cases[i], bodyFlags)); - result.push(fragment); - if (!endsWithLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) { - result.push(newline); - } - } - } - result.push(addIndent('}')); - return result; - }, - - SwitchCase: function (stmt, flags) { - var result, fragment, i, iz, bodyFlags, that = this; - withIndent(function () { - if (stmt.test) { - result = [ - join('case', that.generateExpression(stmt.test, Precedence.Sequence, E_TTT)), - ':' - ]; - } else { - result = ['default:']; - } - - i = 0; - iz = stmt.consequent.length; - if (iz && stmt.consequent[0].type === Syntax.BlockStatement) { - fragment = that.maybeBlock(stmt.consequent[0], S_TFFF); - result.push(fragment); - i = 1; - } - - if (i !== iz && !endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) { - result.push(newline); - } - - bodyFlags = S_TFFF; - for (; i < iz; ++i) { - if (i === iz - 1 && flags & F_SEMICOLON_OPT) { - bodyFlags |= F_SEMICOLON_OPT; - } - fragment = addIndent(that.generateStatement(stmt.consequent[i], bodyFlags)); - result.push(fragment); - if (i + 1 !== iz && !endsWithLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) { - result.push(newline); - } - } - }); - return result; - }, - - IfStatement: function (stmt, flags) { - var result, bodyFlags, semicolonOptional, that = this; - withIndent(function () { - result = [ - 'if' + space + '(', - that.generateExpression(stmt.test, Precedence.Sequence, E_TTT), - ')' - ]; - }); - semicolonOptional = flags & F_SEMICOLON_OPT; - bodyFlags = S_TFFF; - if (semicolonOptional) { - bodyFlags |= F_SEMICOLON_OPT; - } - if (stmt.alternate) { - result.push(this.maybeBlock(stmt.consequent, S_TFFF)); - result = this.maybeBlockSuffix(stmt.consequent, result); - if (stmt.alternate.type === Syntax.IfStatement) { - result = join(result, ['else ', this.generateStatement(stmt.alternate, bodyFlags)]); - } else { - result = join(result, join('else', this.maybeBlock(stmt.alternate, bodyFlags))); - } - } else { - result.push(this.maybeBlock(stmt.consequent, bodyFlags)); - } - return result; - }, - - ForStatement: function (stmt, flags) { - var result, that = this; - withIndent(function () { - result = ['for' + space + '(']; - if (stmt.init) { - if (stmt.init.type === Syntax.VariableDeclaration) { - result.push(that.generateStatement(stmt.init, S_FFFF)); - } else { - // F_ALLOW_IN becomes false. - result.push(that.generateExpression(stmt.init, Precedence.Sequence, E_FTT)); - result.push(';'); - } - } else { - result.push(';'); - } - - if (stmt.test) { - result.push(space); - result.push(that.generateExpression(stmt.test, Precedence.Sequence, E_TTT)); - result.push(';'); - } else { - result.push(';'); - } - - if (stmt.update) { - result.push(space); - result.push(that.generateExpression(stmt.update, Precedence.Sequence, E_TTT)); - result.push(')'); - } else { - result.push(')'); - } - }); - - result.push(this.maybeBlock(stmt.body, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF)); - return result; - }, - - ForInStatement: function (stmt, flags) { - return this.generateIterationForStatement('in', stmt, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF); - }, - - ForOfStatement: function (stmt, flags) { - return this.generateIterationForStatement('of', stmt, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF); - }, - - LabeledStatement: function (stmt, flags) { - return [stmt.label.name + ':', this.maybeBlock(stmt.body, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF)]; - }, - - Program: function (stmt, flags) { - var result, fragment, i, iz, bodyFlags; - iz = stmt.body.length; - result = [safeConcatenation && iz > 0 ? '\n' : '']; - bodyFlags = S_TFTF; - for (i = 0; i < iz; ++i) { - if (!safeConcatenation && i === iz - 1) { - bodyFlags |= F_SEMICOLON_OPT; - } - - if (preserveBlankLines) { - // handle spaces before the first line - if (i === 0) { - if (!stmt.body[0].leadingComments) { - generateBlankLines(stmt.range[0], stmt.body[i].range[0], result); - } - } - - // handle spaces between lines - 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); - } - } - } - - fragment = addIndent(this.generateStatement(stmt.body[i], bodyFlags)); - result.push(fragment); - if (i + 1 < iz && !endsWithLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) { - if (preserveBlankLines) { - if (!stmt.body[i + 1].leadingComments) { - result.push(newline); - } - } else { - result.push(newline); - } - } - - if (preserveBlankLines) { - // handle spaces after the last line - if (i === iz - 1) { - if (!stmt.body[i].trailingComments) { - generateBlankLines(stmt.body[i].range[1], stmt.range[1], result); - } - } - } - } - return result; - }, - - FunctionDeclaration: function (stmt, flags) { - return [ - generateAsyncPrefix(stmt, true), - 'function', - generateStarSuffix(stmt) || noEmptySpace(), - stmt.id ? generateIdentifier(stmt.id) : '', - this.generateFunctionBody(stmt) - ]; - }, - - ReturnStatement: function (stmt, flags) { - if (stmt.argument) { - return [join( - 'return', - this.generateExpression(stmt.argument, Precedence.Sequence, E_TTT) - ), this.semicolon(flags)]; - } - return ['return' + this.semicolon(flags)]; - }, - - WhileStatement: function (stmt, flags) { - var result, that = this; - withIndent(function () { - result = [ - 'while' + space + '(', - that.generateExpression(stmt.test, Precedence.Sequence, E_TTT), - ')' - ]; - }); - result.push(this.maybeBlock(stmt.body, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF)); - return result; - }, - - WithStatement: function (stmt, flags) { - var result, that = this; - withIndent(function () { - result = [ - 'with' + space + '(', - that.generateExpression(stmt.object, Precedence.Sequence, E_TTT), - ')' - ]; - }); - result.push(this.maybeBlock(stmt.body, flags & F_SEMICOLON_OPT ? S_TFFT : S_TFFF)); - return result; - } - - }; - - merge(CodeGenerator.prototype, CodeGenerator.Statement); - - // Expressions. - - CodeGenerator.Expression = { - - SequenceExpression: function (expr, precedence, flags) { - var result, i, iz; - if (Precedence.Sequence < precedence) { - flags |= F_ALLOW_IN; - } - result = []; - for (i = 0, iz = expr.expressions.length; i < iz; ++i) { - result.push(this.generateExpression(expr.expressions[i], Precedence.Assignment, flags)); - if (i + 1 < iz) { - result.push(',' + space); - } - } - return parenthesize(result, Precedence.Sequence, precedence); - }, - - AssignmentExpression: function (expr, precedence, flags) { - return this.generateAssignment(expr.left, expr.right, expr.operator, precedence, flags); - }, - - ArrowFunctionExpression: function (expr, precedence, flags) { - return parenthesize(this.generateFunctionBody(expr), Precedence.ArrowFunction, precedence); - }, - - ConditionalExpression: function (expr, precedence, flags) { - if (Precedence.Conditional < precedence) { - flags |= F_ALLOW_IN; - } - return parenthesize( - [ - this.generateExpression(expr.test, Precedence.LogicalOR, flags), - space + '?' + space, - this.generateExpression(expr.consequent, Precedence.Assignment, flags), - space + ':' + space, - this.generateExpression(expr.alternate, Precedence.Assignment, flags) - ], - Precedence.Conditional, - precedence - ); - }, - - LogicalExpression: function (expr, precedence, flags) { - return this.BinaryExpression(expr, precedence, flags); - }, - - BinaryExpression: function (expr, precedence, flags) { - var result, currentPrecedence, fragment, leftSource; - currentPrecedence = BinaryPrecedence[expr.operator]; - - if (currentPrecedence < precedence) { - flags |= F_ALLOW_IN; - } - - fragment = this.generateExpression(expr.left, currentPrecedence, flags); - - leftSource = fragment.toString(); - - if (leftSource.charCodeAt(leftSource.length - 1) === 0x2F /* / */ && esutils.code.isIdentifierPartES5(expr.operator.charCodeAt(0))) { - result = [fragment, noEmptySpace(), expr.operator]; - } else { - result = join(fragment, expr.operator); - } - - fragment = this.generateExpression(expr.right, currentPrecedence + 1, flags); - - if (expr.operator === '/' && fragment.toString().charAt(0) === '/' || - expr.operator.slice(-1) === '<' && fragment.toString().slice(0, 3) === '!--') { - // If '/' concats with '/' or `<` concats with `!--`, it is interpreted as comment start - result.push(noEmptySpace()); - result.push(fragment); - } else { - result = join(result, fragment); - } - - if (expr.operator === 'in' && !(flags & F_ALLOW_IN)) { - return ['(', result, ')']; - } - return parenthesize(result, currentPrecedence, precedence); - }, - - CallExpression: function (expr, precedence, flags) { - var result, i, iz; - // F_ALLOW_UNPARATH_NEW becomes false. - result = [this.generateExpression(expr.callee, Precedence.Call, E_TTF)]; - result.push('('); - for (i = 0, iz = expr['arguments'].length; i < iz; ++i) { - result.push(this.generateExpression(expr['arguments'][i], Precedence.Assignment, E_TTT)); - if (i + 1 < iz) { - result.push(',' + space); - } - } - result.push(')'); - - if (!(flags & F_ALLOW_CALL)) { - return ['(', result, ')']; - } - return parenthesize(result, Precedence.Call, precedence); - }, - - NewExpression: function (expr, precedence, flags) { - var result, length, i, iz, itemFlags; - length = expr['arguments'].length; - - // F_ALLOW_CALL becomes false. - // F_ALLOW_UNPARATH_NEW may become false. - itemFlags = (flags & F_ALLOW_UNPARATH_NEW && !parentheses && length === 0) ? E_TFT : E_TFF; - - result = join( - 'new', - this.generateExpression(expr.callee, Precedence.New, itemFlags) - ); - - if (!(flags & F_ALLOW_UNPARATH_NEW) || parentheses || length > 0) { - result.push('('); - for (i = 0, iz = length; i < iz; ++i) { - result.push(this.generateExpression(expr['arguments'][i], Precedence.Assignment, E_TTT)); - if (i + 1 < iz) { - result.push(',' + space); - } - } - result.push(')'); - } - - return parenthesize(result, Precedence.New, precedence); - }, - - MemberExpression: function (expr, precedence, flags) { - var result, fragment; - - // F_ALLOW_UNPARATH_NEW becomes false. - result = [this.generateExpression(expr.object, Precedence.Call, (flags & F_ALLOW_CALL) ? E_TTF : E_TFF)]; - - if (expr.computed) { - result.push('['); - result.push(this.generateExpression(expr.property, Precedence.Sequence, flags & F_ALLOW_CALL ? E_TTT : E_TFT)); - result.push(']'); - } else { - if (expr.object.type === Syntax.Literal && typeof expr.object.value === 'number') { - fragment = toSourceNodeWhenNeeded(result).toString(); - // When the following conditions are all true, - // 1. No floating point - // 2. Don't have exponents - // 3. The last character is a decimal digit - // 4. Not hexadecimal OR octal number literal - // we should add a floating point. - if ( - fragment.indexOf('.') < 0 && - !/[eExX]/.test(fragment) && - esutils.code.isDecimalDigit(fragment.charCodeAt(fragment.length - 1)) && - !(fragment.length >= 2 && fragment.charCodeAt(0) === 48) // '0' - ) { - result.push('.'); - } - } - result.push('.'); - result.push(generateIdentifier(expr.property)); - } - - return parenthesize(result, Precedence.Member, precedence); - }, - - MetaProperty: function (expr, precedence, flags) { - var result; - result = []; - result.push(expr.meta); - result.push('.'); - result.push(expr.property); - return parenthesize(result, Precedence.Member, precedence); - }, - - UnaryExpression: function (expr, precedence, flags) { - var result, fragment, rightCharCode, leftSource, leftCharCode; - fragment = this.generateExpression(expr.argument, Precedence.Unary, E_TTT); - - if (space === '') { - result = join(expr.operator, fragment); - } else { - result = [expr.operator]; - if (expr.operator.length > 2) { - // delete, void, typeof - // get `typeof []`, not `typeof[]` - result = join(result, fragment); - } else { - // Prevent inserting spaces between operator and argument if it is unnecessary - // like, `!cond` - leftSource = toSourceNodeWhenNeeded(result).toString(); - leftCharCode = leftSource.charCodeAt(leftSource.length - 1); - rightCharCode = fragment.toString().charCodeAt(0); - - if (((leftCharCode === 0x2B /* + */ || leftCharCode === 0x2D /* - */) && leftCharCode === rightCharCode) || - (esutils.code.isIdentifierPartES5(leftCharCode) && esutils.code.isIdentifierPartES5(rightCharCode))) { - result.push(noEmptySpace()); - result.push(fragment); - } else { - result.push(fragment); - } - } - } - return parenthesize(result, Precedence.Unary, precedence); - }, - - YieldExpression: function (expr, precedence, flags) { - var result; - if (expr.delegate) { - result = 'yield*'; - } else { - result = 'yield'; - } - if (expr.argument) { - result = join( - result, - this.generateExpression(expr.argument, Precedence.Yield, E_TTT) - ); - } - return parenthesize(result, Precedence.Yield, precedence); - }, - - AwaitExpression: function (expr, precedence, flags) { - var result = join( - expr.all ? 'await*' : 'await', - this.generateExpression(expr.argument, Precedence.Await, E_TTT) - ); - return parenthesize(result, Precedence.Await, precedence); - }, - - UpdateExpression: function (expr, precedence, flags) { - if (expr.prefix) { - return parenthesize( - [ - expr.operator, - this.generateExpression(expr.argument, Precedence.Unary, E_TTT) - ], - Precedence.Unary, - precedence - ); - } - return parenthesize( - [ - this.generateExpression(expr.argument, Precedence.Postfix, E_TTT), - expr.operator - ], - Precedence.Postfix, - precedence - ); - }, - - FunctionExpression: function (expr, precedence, flags) { - var result = [ - generateAsyncPrefix(expr, true), - 'function' - ]; - if (expr.id) { - result.push(generateStarSuffix(expr) || noEmptySpace()); - result.push(generateIdentifier(expr.id)); - } else { - result.push(generateStarSuffix(expr) || space); - } - result.push(this.generateFunctionBody(expr)); - return result; - }, - - ArrayPattern: function (expr, precedence, flags) { - return this.ArrayExpression(expr, precedence, flags, true); - }, - - ArrayExpression: function (expr, precedence, flags, isPattern) { - var result, multiline, that = this; - if (!expr.elements.length) { - return '[]'; - } - multiline = isPattern ? false : expr.elements.length > 1; - result = ['[', multiline ? newline : '']; - withIndent(function (indent) { - var i, iz; - for (i = 0, iz = expr.elements.length; i < iz; ++i) { - if (!expr.elements[i]) { - if (multiline) { - result.push(indent); - } - if (i + 1 === iz) { - result.push(','); - } - } else { - result.push(multiline ? indent : ''); - result.push(that.generateExpression(expr.elements[i], Precedence.Assignment, E_TTT)); - } - if (i + 1 < iz) { - result.push(',' + (multiline ? newline : space)); - } - } - }); - if (multiline && !endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) { - result.push(newline); - } - result.push(multiline ? base : ''); - result.push(']'); - return result; - }, - - RestElement: function(expr, precedence, flags) { - return '...' + this.generatePattern(expr.argument); - }, - - ClassExpression: function (expr, precedence, flags) { - var result, fragment; - result = ['class']; - if (expr.id) { - result = join(result, this.generateExpression(expr.id, Precedence.Sequence, E_TTT)); - } - if (expr.superClass) { - fragment = join('extends', this.generateExpression(expr.superClass, Precedence.Assignment, E_TTT)); - result = join(result, fragment); - } - result.push(space); - result.push(this.generateStatement(expr.body, S_TFFT)); - return result; - }, - - MethodDefinition: function (expr, precedence, flags) { - var result, fragment; - if (expr['static']) { - result = ['static' + space]; - } else { - result = []; - } - if (expr.kind === 'get' || expr.kind === 'set') { - fragment = [ - join(expr.kind, this.generatePropertyKey(expr.key, expr.computed, expr.value)), - this.generateFunctionBody(expr.value) - ]; - } else { - fragment = [ - generateMethodPrefix(expr), - this.generatePropertyKey(expr.key, expr.computed, expr.value), - this.generateFunctionBody(expr.value) - ]; - } - return join(result, fragment); - }, - - Property: function (expr, precedence, flags) { - if (expr.kind === 'get' || expr.kind === 'set') { - return [ - expr.kind, noEmptySpace(), - this.generatePropertyKey(expr.key, expr.computed, expr.value), - this.generateFunctionBody(expr.value) - ]; - } - - if (expr.shorthand) { - return this.generatePropertyKey(expr.key, expr.computed, expr.value); - } - - if (expr.method) { - return [ - generateMethodPrefix(expr), - this.generatePropertyKey(expr.key, expr.computed, expr.value), - this.generateFunctionBody(expr.value) - ]; - } - - return [ - this.generatePropertyKey(expr.key, expr.computed, expr.value), - ':' + space, - this.generateExpression(expr.value, Precedence.Assignment, E_TTT) - ]; - }, - - ObjectExpression: function (expr, precedence, flags) { - var multiline, result, fragment, that = this; - - if (!expr.properties.length) { - return '{}'; - } - multiline = expr.properties.length > 1; - - withIndent(function () { - fragment = that.generateExpression(expr.properties[0], Precedence.Sequence, E_TTT); - }); - - if (!multiline) { - // issues 4 - // Do not transform from - // dejavu.Class.declare({ - // method2: function () {} - // }); - // to - // dejavu.Class.declare({method2: function () { - // }}); - if (!hasLineTerminator(toSourceNodeWhenNeeded(fragment).toString())) { - return [ '{', space, fragment, space, '}' ]; - } - } - - withIndent(function (indent) { - var i, iz; - result = [ '{', newline, indent, fragment ]; - - if (multiline) { - result.push(',' + newline); - for (i = 1, iz = expr.properties.length; i < iz; ++i) { - result.push(indent); - result.push(that.generateExpression(expr.properties[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; - }, - - AssignmentPattern: function(expr, precedence, flags) { - return this.generateAssignment(expr.left, expr.right, '=', precedence, flags); - }, - - ObjectPattern: function (expr, precedence, flags) { - var result, i, iz, multiline, property, that = this; - if (!expr.properties.length) { - return '{}'; - } - - multiline = false; - if (expr.properties.length === 1) { - property = expr.properties[0]; - if (property.value.type !== Syntax.Identifier) { - multiline = true; - } - } else { - for (i = 0, iz = expr.properties.length; i < iz; ++i) { - property = expr.properties[i]; - if (!property.shorthand) { - multiline = true; - break; - } - } - } - result = ['{', multiline ? newline : '' ]; - - withIndent(function (indent) { - var i, iz; - for (i = 0, iz = expr.properties.length; i < iz; ++i) { - result.push(multiline ? indent : ''); - result.push(that.generateExpression(expr.properties[i], Precedence.Sequence, E_TTT)); - if (i + 1 < iz) { - result.push(',' + (multiline ? newline : space)); - } - } - }); - - if (multiline && !endsWithLineTerminator(toSourceNodeWhenNeeded(result).toString())) { - result.push(newline); - } - result.push(multiline ? base : ''); - result.push('}'); - return result; - }, - - ThisExpression: function (expr, precedence, flags) { - return 'this'; - }, - - Super: function (expr, precedence, flags) { - return 'super'; - }, - - Identifier: function (expr, precedence, flags) { - return generateIdentifier(expr); - }, - - ImportDefaultSpecifier: function (expr, precedence, flags) { - return generateIdentifier(expr.id || expr.local); - }, - - ImportNamespaceSpecifier: function (expr, precedence, flags) { - var result = ['*']; - var id = expr.id || expr.local; - if (id) { - result.push(space + 'as' + noEmptySpace() + generateIdentifier(id)); - } - return result; - }, - - ImportSpecifier: function (expr, precedence, flags) { - var imported = expr.imported; - var result = [ imported.name ]; - var local = expr.local; - if (local && local.name !== imported.name) { - result.push(noEmptySpace() + 'as' + noEmptySpace() + generateIdentifier(local)); - } - return result; - }, - - ExportSpecifier: function (expr, precedence, flags) { - var local = expr.local; - var result = [ local.name ]; - var exported = expr.exported; - if (exported && exported.name !== local.name) { - result.push(noEmptySpace() + 'as' + noEmptySpace() + generateIdentifier(exported)); - } - return result; - }, - - Literal: function (expr, precedence, flags) { - var raw; - if (expr.hasOwnProperty('raw') && parse && extra.raw) { - try { - raw = parse(expr.raw).body[0].expression; - if (raw.type === Syntax.Literal) { - if (raw.value === expr.value) { - return expr.raw; - } - } - } catch (e) { - // not use raw property - } - } - - if (expr.value === null) { - return 'null'; - } - - if (typeof expr.value === 'string') { - return escapeString(expr.value); - } - - if (typeof expr.value === 'number') { - return generateNumber(expr.value); - } - - if (typeof expr.value === 'boolean') { - return expr.value ? 'true' : 'false'; - } - - return generateRegExp(expr.value); - }, - - GeneratorExpression: function (expr, precedence, flags) { - return this.ComprehensionExpression(expr, precedence, flags); - }, - - ComprehensionExpression: function (expr, precedence, flags) { - // GeneratorExpression should be parenthesized with (...), ComprehensionExpression with [...] - // Due to https://bugzilla.mozilla.org/show_bug.cgi?id=883468 position of expr.body can differ in Spidermonkey and ES6 - - var result, i, iz, fragment, that = this; - result = (expr.type === Syntax.GeneratorExpression) ? ['('] : ['[']; - - if (extra.moz.comprehensionExpressionStartsWithAssignment) { - fragment = this.generateExpression(expr.body, Precedence.Assignment, E_TTT); - result.push(fragment); - } - - if (expr.blocks) { - withIndent(function () { - for (i = 0, iz = expr.blocks.length; i < iz; ++i) { - fragment = that.generateExpression(expr.blocks[i], Precedence.Sequence, E_TTT); - if (i > 0 || extra.moz.comprehensionExpressionStartsWithAssignment) { - result = join(result, fragment); - } else { - result.push(fragment); - } - } - }); - } - - if (expr.filter) { - result = join(result, 'if' + space); - fragment = this.generateExpression(expr.filter, Precedence.Sequence, E_TTT); - result = join(result, [ '(', fragment, ')' ]); - } - - if (!extra.moz.comprehensionExpressionStartsWithAssignment) { - fragment = this.generateExpression(expr.body, Precedence.Assignment, E_TTT); - - result = join(result, fragment); - } - - result.push((expr.type === Syntax.GeneratorExpression) ? ')' : ']'); - return result; - }, - - ComprehensionBlock: function (expr, precedence, flags) { - var fragment; - if (expr.left.type === Syntax.VariableDeclaration) { - fragment = [ - expr.left.kind, noEmptySpace(), - this.generateStatement(expr.left.declarations[0], S_FFFF) - ]; - } else { - fragment = this.generateExpression(expr.left, Precedence.Call, E_TTT); - } - - fragment = join(fragment, expr.of ? 'of' : 'in'); - fragment = join(fragment, this.generateExpression(expr.right, Precedence.Sequence, E_TTT)); - - return [ 'for' + space + '(', fragment, ')' ]; - }, - - SpreadElement: function (expr, precedence, flags) { - return [ - '...', - this.generateExpression(expr.argument, Precedence.Assignment, E_TTT) - ]; - }, - - TaggedTemplateExpression: function (expr, precedence, flags) { - var itemFlags = E_TTF; - if (!(flags & F_ALLOW_CALL)) { - itemFlags = E_TFF; - } - var result = [ - this.generateExpression(expr.tag, Precedence.Call, itemFlags), - this.generateExpression(expr.quasi, Precedence.Primary, E_FFT) - ]; - return parenthesize(result, Precedence.TaggedTemplate, precedence); - }, - - TemplateElement: function (expr, precedence, flags) { - // Don't use "cooked". Since tagged template can use raw template - // representation. So if we do so, it breaks the script semantics. - return expr.value.raw; - }, - - TemplateLiteral: function (expr, precedence, flags) { - var result, i, iz; - result = [ '`' ]; - for (i = 0, iz = expr.quasis.length; i < iz; ++i) { - result.push(this.generateExpression(expr.quasis[i], Precedence.Primary, E_TTT)); - if (i + 1 < iz) { - result.push('${' + space); - result.push(this.generateExpression(expr.expressions[i], Precedence.Sequence, E_TTT)); - result.push(space + '}'); - } - } - result.push('`'); - return result; - }, - - ModuleSpecifier: function (expr, precedence, flags) { - return this.Literal(expr, precedence, flags); - } - - }; - - merge(CodeGenerator.prototype, CodeGenerator.Expression); - - CodeGenerator.prototype.generateExpression = function (expr, precedence, flags) { - var result, type; - - type = expr.type || Syntax.Property; - - if (extra.verbatim && expr.hasOwnProperty(extra.verbatim)) { - return generateVerbatim(expr, precedence); - } - - result = this[type](expr, precedence, flags); - - - if (extra.comment) { - result = addComments(expr, result); - } - return toSourceNodeWhenNeeded(result, expr); - }; - - CodeGenerator.prototype.generateStatement = function (stmt, flags) { - var result, - fragment; - - result = this[stmt.type](stmt, flags); - - // Attach comments - - if (extra.comment) { - result = addComments(stmt, result); - } - - fragment = toSourceNodeWhenNeeded(result).toString(); - if (stmt.type === Syntax.Program && !safeConcatenation && newline === '' && fragment.charAt(fragment.length - 1) === '\n') { - result = sourceMap ? toSourceNodeWhenNeeded(result).replaceRight(/\s+$/, '') : fragment.replace(/\s+$/, ''); - } - - return toSourceNodeWhenNeeded(result, stmt); - }; - - function generateInternal(node) { - var codegen; - - codegen = new CodeGenerator(); - if (isStatement(node)) { - return codegen.generateStatement(node, S_TFFF); - } - - if (isExpression(node)) { - return codegen.generateExpression(node, Precedence.Sequence, E_TTT); - } - - throw new Error('Unknown node type: ' + node.type); - } - - function generate(node, options) { - var defaultOptions = getDefaultOptions(), result, pair; - - if (options != null) { - // Obsolete options - // - // `options.indent` - // `options.base` - // - // Instead of them, we can use `option.format.indent`. - if (typeof options.indent === 'string') { - defaultOptions.format.indent.style = options.indent; - } - if (typeof options.base === 'number') { - defaultOptions.format.indent.base = options.base; - } - options = updateDeeply(defaultOptions, options); - indent = options.format.indent.style; - if (typeof options.base === 'string') { - base = options.base; - } else { - base = stringRepeat(indent, options.format.indent.base); - } - } else { - options = defaultOptions; - indent = options.format.indent.style; - base = stringRepeat(indent, options.format.indent.base); - } - json = options.format.json; - renumber = options.format.renumber; - hexadecimal = json ? false : options.format.hexadecimal; - quotes = json ? 'double' : options.format.quotes; - escapeless = options.format.escapeless; - newline = options.format.newline; - space = options.format.space; - if (options.format.compact) { - newline = space = indent = base = ''; - } - parentheses = options.format.parentheses; - semicolons = options.format.semicolons; - safeConcatenation = options.format.safeConcatenation; - directive = options.directive; - parse = json ? null : options.parse; - sourceMap = options.sourceMap; - sourceCode = options.sourceCode; - preserveBlankLines = options.format.preserveBlankLines && sourceCode !== null; - extra = options; - - if (sourceMap) { - if (!exports.browser) { - // We assume environment is node.js - // And prevent from including source-map by browserify - SourceNode = require('source-map').SourceNode; - } else { - SourceNode = global.sourceMap.SourceNode; - } - } - - result = generateInternal(node); - - if (!sourceMap) { - pair = {code: result.toString(), map: null}; - return options.sourceMapWithCode ? pair : pair.code; - } - - - pair = result.toStringWithSourceMap({ - file: options.file, - sourceRoot: options.sourceMapRoot - }); - - if (options.sourceContent) { - pair.map.setSourceContent(options.sourceMap, - options.sourceContent); - } - - if (options.sourceMapWithCode) { - return pair; - } - - return pair.map.toString(); - } - - FORMAT_MINIFY = { - indent: { - style: '', - base: 0 - }, - renumber: true, - hexadecimal: true, - quotes: 'auto', - escapeless: true, - compact: true, - parentheses: false, - semicolons: false - }; - - FORMAT_DEFAULTS = getDefaultOptions().format; - - exports.version = require('./package.json').version; - exports.generate = generate; - exports.attachComments = estraverse.attachComments; - exports.Precedence = updateDeeply({}, Precedence); - exports.browser = false; - exports.FORMAT_MINIFY = FORMAT_MINIFY; - exports.FORMAT_DEFAULTS = FORMAT_DEFAULTS; -}()); -/* vim: set sw=4 ts=4 et tw=80 : */ |