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Posted to commits@couchdb.apache.org by ga...@apache.org on 2013/10/29 16:40:12 UTC
[27/51] [partial] working replacement
http://git-wip-us.apache.org/repos/asf/couchdb/blob/9abd128c/src/fauxton/assets/js/libs/ace/mode/coffee/lexer.js
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diff --git a/src/fauxton/assets/js/libs/ace/mode/coffee/lexer.js b/src/fauxton/assets/js/libs/ace/mode/coffee/lexer.js
new file mode 100644
index 0000000..ed02bfe
--- /dev/null
+++ b/src/fauxton/assets/js/libs/ace/mode/coffee/lexer.js
@@ -0,0 +1,929 @@
+/**
+ * Copyright (c) 2009-2013 Jeremy Ashkenas
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+define(function(require, exports, module) {
+// Generated by CoffeeScript 1.6.3
+
+ var BOM, BOOL, CALLABLE, CODE, COFFEE_ALIASES, COFFEE_ALIAS_MAP, COFFEE_KEYWORDS, COMMENT, COMPARE, COMPOUND_ASSIGN, HEREDOC, HEREDOC_ILLEGAL, HEREDOC_INDENT, HEREGEX, HEREGEX_OMIT, IDENTIFIER, INDEXABLE, INVERSES, JSTOKEN, JS_FORBIDDEN, JS_KEYWORDS, LINE_BREAK, LINE_CONTINUER, LOGIC, Lexer, MATH, MULTILINER, MULTI_DENT, NOT_REGEX, NOT_SPACED_REGEX, NUMBER, OPERATOR, REGEX, RELATION, RESERVED, Rewriter, SHIFT, SIMPLESTR, STRICT_PROSCRIBED, TRAILING_SPACES, UNARY, WHITESPACE, compact, count, invertLiterate, key, last, locationDataToString, repeat, starts, throwSyntaxError, _ref, _ref1,
+ __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
+
+ _ref = require('./rewriter'), Rewriter = _ref.Rewriter, INVERSES = _ref.INVERSES;
+
+ _ref1 = require('./helpers'), count = _ref1.count, starts = _ref1.starts, compact = _ref1.compact, last = _ref1.last, repeat = _ref1.repeat, invertLiterate = _ref1.invertLiterate, locationDataToString = _ref1.locationDataToString, throwSyntaxError = _ref1.throwSyntaxError;
+
+ exports.Lexer = Lexer = (function() {
+ function Lexer() {}
+
+ Lexer.prototype.tokenize = function(code, opts) {
+ var consumed, i, tag, _ref2;
+ if (opts == null) {
+ opts = {};
+ }
+ this.literate = opts.literate;
+ this.indent = 0;
+ this.baseIndent = 0;
+ this.indebt = 0;
+ this.outdebt = 0;
+ this.indents = [];
+ this.ends = [];
+ this.tokens = [];
+ this.chunkLine = opts.line || 0;
+ this.chunkColumn = opts.column || 0;
+ code = this.clean(code);
+ i = 0;
+ while (this.chunk = code.slice(i)) {
+ consumed = this.identifierToken() || this.commentToken() || this.whitespaceToken() || this.lineToken() || this.heredocToken() || this.stringToken() || this.numberToken() || this.regexToken() || this.jsToken() || this.literalToken();
+ _ref2 = this.getLineAndColumnFromChunk(consumed), this.chunkLine = _ref2[0], this.chunkColumn = _ref2[1];
+ i += consumed;
+ }
+ this.closeIndentation();
+ if (tag = this.ends.pop()) {
+ this.error("missing " + tag);
+ }
+ if (opts.rewrite === false) {
+ return this.tokens;
+ }
+ return (new Rewriter).rewrite(this.tokens);
+ };
+
+ Lexer.prototype.clean = function(code) {
+ if (code.charCodeAt(0) === BOM) {
+ code = code.slice(1);
+ }
+ code = code.replace(/\r/g, '').replace(TRAILING_SPACES, '');
+ if (WHITESPACE.test(code)) {
+ code = "\n" + code;
+ this.chunkLine--;
+ }
+ if (this.literate) {
+ code = invertLiterate(code);
+ }
+ return code;
+ };
+
+ Lexer.prototype.identifierToken = function() {
+ var colon, colonOffset, forcedIdentifier, id, idLength, input, match, poppedToken, prev, tag, tagToken, _ref2, _ref3, _ref4;
+ if (!(match = IDENTIFIER.exec(this.chunk))) {
+ return 0;
+ }
+ input = match[0], id = match[1], colon = match[2];
+ idLength = id.length;
+ poppedToken = void 0;
+ if (id === 'own' && this.tag() === 'FOR') {
+ this.token('OWN', id);
+ return id.length;
+ }
+ forcedIdentifier = colon || (prev = last(this.tokens)) && (((_ref2 = prev[0]) === '.' || _ref2 === '?.' || _ref2 === '::' || _ref2 === '?::') || !prev.spaced && prev[0] === '@');
+ tag = 'IDENTIFIER';
+ if (!forcedIdentifier && (__indexOf.call(JS_KEYWORDS, id) >= 0 || __indexOf.call(COFFEE_KEYWORDS, id) >= 0)) {
+ tag = id.toUpperCase();
+ if (tag === 'WHEN' && (_ref3 = this.tag(), __indexOf.call(LINE_BREAK, _ref3) >= 0)) {
+ tag = 'LEADING_WHEN';
+ } else if (tag === 'FOR') {
+ this.seenFor = true;
+ } else if (tag === 'UNLESS') {
+ tag = 'IF';
+ } else if (__indexOf.call(UNARY, tag) >= 0) {
+ tag = 'UNARY';
+ } else if (__indexOf.call(RELATION, tag) >= 0) {
+ if (tag !== 'INSTANCEOF' && this.seenFor) {
+ tag = 'FOR' + tag;
+ this.seenFor = false;
+ } else {
+ tag = 'RELATION';
+ if (this.value() === '!') {
+ poppedToken = this.tokens.pop();
+ id = '!' + id;
+ }
+ }
+ }
+ }
+ if (__indexOf.call(JS_FORBIDDEN, id) >= 0) {
+ if (forcedIdentifier) {
+ tag = 'IDENTIFIER';
+ id = new String(id);
+ id.reserved = true;
+ } else if (__indexOf.call(RESERVED, id) >= 0) {
+ this.error("reserved word \"" + id + "\"");
+ }
+ }
+ if (!forcedIdentifier) {
+ if (__indexOf.call(COFFEE_ALIASES, id) >= 0) {
+ id = COFFEE_ALIAS_MAP[id];
+ }
+ tag = (function() {
+ switch (id) {
+ case '!':
+ return 'UNARY';
+ case '==':
+ case '!=':
+ return 'COMPARE';
+ case '&&':
+ case '||':
+ return 'LOGIC';
+ case 'true':
+ case 'false':
+ return 'BOOL';
+ case 'break':
+ case 'continue':
+ return 'STATEMENT';
+ default:
+ return tag;
+ }
+ })();
+ }
+ tagToken = this.token(tag, id, 0, idLength);
+ if (poppedToken) {
+ _ref4 = [poppedToken[2].first_line, poppedToken[2].first_column], tagToken[2].first_line = _ref4[0], tagToken[2].first_column = _ref4[1];
+ }
+ if (colon) {
+ colonOffset = input.lastIndexOf(':');
+ this.token(':', ':', colonOffset, colon.length);
+ }
+ return input.length;
+ };
+
+ Lexer.prototype.numberToken = function() {
+ var binaryLiteral, lexedLength, match, number, octalLiteral;
+ if (!(match = NUMBER.exec(this.chunk))) {
+ return 0;
+ }
+ number = match[0];
+ if (/^0[BOX]/.test(number)) {
+ this.error("radix prefix '" + number + "' must be lowercase");
+ } else if (/E/.test(number) && !/^0x/.test(number)) {
+ this.error("exponential notation '" + number + "' must be indicated with a lowercase 'e'");
+ } else if (/^0\d*[89]/.test(number)) {
+ this.error("decimal literal '" + number + "' must not be prefixed with '0'");
+ } else if (/^0\d+/.test(number)) {
+ this.error("octal literal '" + number + "' must be prefixed with '0o'");
+ }
+ lexedLength = number.length;
+ if (octalLiteral = /^0o([0-7]+)/.exec(number)) {
+ number = '0x' + parseInt(octalLiteral[1], 8).toString(16);
+ }
+ if (binaryLiteral = /^0b([01]+)/.exec(number)) {
+ number = '0x' + parseInt(binaryLiteral[1], 2).toString(16);
+ }
+ this.token('NUMBER', number, 0, lexedLength);
+ return lexedLength;
+ };
+
+ Lexer.prototype.stringToken = function() {
+ var match, octalEsc, string;
+ switch (this.chunk.charAt(0)) {
+ case "'":
+ if (!(match = SIMPLESTR.exec(this.chunk))) {
+ return 0;
+ }
+ string = match[0];
+ this.token('STRING', string.replace(MULTILINER, '\\\n'), 0, string.length);
+ break;
+ case '"':
+ if (!(string = this.balancedString(this.chunk, '"'))) {
+ return 0;
+ }
+ if (0 < string.indexOf('#{', 1)) {
+ this.interpolateString(string.slice(1, -1), {
+ strOffset: 1,
+ lexedLength: string.length
+ });
+ } else {
+ this.token('STRING', this.escapeLines(string, 0, string.length));
+ }
+ break;
+ default:
+ return 0;
+ }
+ if (octalEsc = /^(?:\\.|[^\\])*\\(?:0[0-7]|[1-7])/.test(string)) {
+ this.error("octal escape sequences " + string + " are not allowed");
+ }
+ return string.length;
+ };
+
+ Lexer.prototype.heredocToken = function() {
+ var doc, heredoc, match, quote;
+ if (!(match = HEREDOC.exec(this.chunk))) {
+ return 0;
+ }
+ heredoc = match[0];
+ quote = heredoc.charAt(0);
+ doc = this.sanitizeHeredoc(match[2], {
+ quote: quote,
+ indent: null
+ });
+ if (quote === '"' && 0 <= doc.indexOf('#{')) {
+ this.interpolateString(doc, {
+ heredoc: true,
+ strOffset: 3,
+ lexedLength: heredoc.length
+ });
+ } else {
+ this.token('STRING', this.makeString(doc, quote, true), 0, heredoc.length);
+ }
+ return heredoc.length;
+ };
+
+ Lexer.prototype.commentToken = function() {
+ var comment, here, match;
+ if (!(match = this.chunk.match(COMMENT))) {
+ return 0;
+ }
+ comment = match[0], here = match[1];
+ if (here) {
+ this.token('HERECOMMENT', this.sanitizeHeredoc(here, {
+ herecomment: true,
+ indent: repeat(' ', this.indent)
+ }), 0, comment.length);
+ }
+ return comment.length;
+ };
+
+ Lexer.prototype.jsToken = function() {
+ var match, script;
+ if (!(this.chunk.charAt(0) === '`' && (match = JSTOKEN.exec(this.chunk)))) {
+ return 0;
+ }
+ this.token('JS', (script = match[0]).slice(1, -1), 0, script.length);
+ return script.length;
+ };
+
+ Lexer.prototype.regexToken = function() {
+ var flags, length, match, prev, regex, _ref2, _ref3;
+ if (this.chunk.charAt(0) !== '/') {
+ return 0;
+ }
+ if (match = HEREGEX.exec(this.chunk)) {
+ length = this.heregexToken(match);
+ return length;
+ }
+ prev = last(this.tokens);
+ if (prev && (_ref2 = prev[0], __indexOf.call((prev.spaced ? NOT_REGEX : NOT_SPACED_REGEX), _ref2) >= 0)) {
+ return 0;
+ }
+ if (!(match = REGEX.exec(this.chunk))) {
+ return 0;
+ }
+ _ref3 = match, match = _ref3[0], regex = _ref3[1], flags = _ref3[2];
+ if (regex.slice(0, 2) === '/*') {
+ this.error('regular expressions cannot begin with `*`');
+ }
+ if (regex === '//') {
+ regex = '/(?:)/';
+ }
+ this.token('REGEX', "" + regex + flags, 0, match.length);
+ return match.length;
+ };
+
+ Lexer.prototype.heregexToken = function(match) {
+ var body, flags, flagsOffset, heregex, plusToken, prev, re, tag, token, tokens, value, _i, _len, _ref2, _ref3, _ref4;
+ heregex = match[0], body = match[1], flags = match[2];
+ if (0 > body.indexOf('#{')) {
+ re = body.replace(HEREGEX_OMIT, '').replace(/\//g, '\\/');
+ if (re.match(/^\*/)) {
+ this.error('regular expressions cannot begin with `*`');
+ }
+ this.token('REGEX', "/" + (re || '(?:)') + "/" + flags, 0, heregex.length);
+ return heregex.length;
+ }
+ this.token('IDENTIFIER', 'RegExp', 0, 0);
+ this.token('CALL_START', '(', 0, 0);
+ tokens = [];
+ _ref2 = this.interpolateString(body, {
+ regex: true
+ });
+ for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
+ token = _ref2[_i];
+ tag = token[0], value = token[1];
+ if (tag === 'TOKENS') {
+ tokens.push.apply(tokens, value);
+ } else if (tag === 'NEOSTRING') {
+ if (!(value = value.replace(HEREGEX_OMIT, ''))) {
+ continue;
+ }
+ value = value.replace(/\\/g, '\\\\');
+ token[0] = 'STRING';
+ token[1] = this.makeString(value, '"', true);
+ tokens.push(token);
+ } else {
+ this.error("Unexpected " + tag);
+ }
+ prev = last(this.tokens);
+ plusToken = ['+', '+'];
+ plusToken[2] = prev[2];
+ tokens.push(plusToken);
+ }
+ tokens.pop();
+ if (((_ref3 = tokens[0]) != null ? _ref3[0] : void 0) !== 'STRING') {
+ this.token('STRING', '""', 0, 0);
+ this.token('+', '+', 0, 0);
+ }
+ (_ref4 = this.tokens).push.apply(_ref4, tokens);
+ if (flags) {
+ flagsOffset = heregex.lastIndexOf(flags);
+ this.token(',', ',', flagsOffset, 0);
+ this.token('STRING', '"' + flags + '"', flagsOffset, flags.length);
+ }
+ this.token(')', ')', heregex.length - 1, 0);
+ return heregex.length;
+ };
+
+ Lexer.prototype.lineToken = function() {
+ var diff, indent, match, noNewlines, size;
+ if (!(match = MULTI_DENT.exec(this.chunk))) {
+ return 0;
+ }
+ indent = match[0];
+ this.seenFor = false;
+ size = indent.length - 1 - indent.lastIndexOf('\n');
+ noNewlines = this.unfinished();
+ if (size - this.indebt === this.indent) {
+ if (noNewlines) {
+ this.suppressNewlines();
+ } else {
+ this.newlineToken(0);
+ }
+ return indent.length;
+ }
+ if (size > this.indent) {
+ if (noNewlines) {
+ this.indebt = size - this.indent;
+ this.suppressNewlines();
+ return indent.length;
+ }
+ if (!this.tokens.length) {
+ this.baseIndent = this.indent = size;
+ return indent.length;
+ }
+ diff = size - this.indent + this.outdebt;
+ this.token('INDENT', diff, indent.length - size, size);
+ this.indents.push(diff);
+ this.ends.push('OUTDENT');
+ this.outdebt = this.indebt = 0;
+ } else if (size < this.baseIndent) {
+ this.error('missing indentation', indent.length);
+ } else {
+ this.indebt = 0;
+ this.outdentToken(this.indent - size, noNewlines, indent.length);
+ }
+ this.indent = size;
+ return indent.length;
+ };
+
+ Lexer.prototype.outdentToken = function(moveOut, noNewlines, outdentLength) {
+ var dent, len;
+ while (moveOut > 0) {
+ len = this.indents.length - 1;
+ if (this.indents[len] === void 0) {
+ moveOut = 0;
+ } else if (this.indents[len] === this.outdebt) {
+ moveOut -= this.outdebt;
+ this.outdebt = 0;
+ } else if (this.indents[len] < this.outdebt) {
+ this.outdebt -= this.indents[len];
+ moveOut -= this.indents[len];
+ } else {
+ dent = this.indents.pop() + this.outdebt;
+ moveOut -= dent;
+ this.outdebt = 0;
+ this.pair('OUTDENT');
+ this.token('OUTDENT', dent, 0, outdentLength);
+ }
+ }
+ if (dent) {
+ this.outdebt -= moveOut;
+ }
+ while (this.value() === ';') {
+ this.tokens.pop();
+ }
+ if (!(this.tag() === 'TERMINATOR' || noNewlines)) {
+ this.token('TERMINATOR', '\n', outdentLength, 0);
+ }
+ return this;
+ };
+
+ Lexer.prototype.whitespaceToken = function() {
+ var match, nline, prev;
+ if (!((match = WHITESPACE.exec(this.chunk)) || (nline = this.chunk.charAt(0) === '\n'))) {
+ return 0;
+ }
+ prev = last(this.tokens);
+ if (prev) {
+ prev[match ? 'spaced' : 'newLine'] = true;
+ }
+ if (match) {
+ return match[0].length;
+ } else {
+ return 0;
+ }
+ };
+
+ Lexer.prototype.newlineToken = function(offset) {
+ while (this.value() === ';') {
+ this.tokens.pop();
+ }
+ if (this.tag() !== 'TERMINATOR') {
+ this.token('TERMINATOR', '\n', offset, 0);
+ }
+ return this;
+ };
+
+ Lexer.prototype.suppressNewlines = function() {
+ if (this.value() === '\\') {
+ this.tokens.pop();
+ }
+ return this;
+ };
+
+ Lexer.prototype.literalToken = function() {
+ var match, prev, tag, value, _ref2, _ref3, _ref4, _ref5;
+ if (match = OPERATOR.exec(this.chunk)) {
+ value = match[0];
+ if (CODE.test(value)) {
+ this.tagParameters();
+ }
+ } else {
+ value = this.chunk.charAt(0);
+ }
+ tag = value;
+ prev = last(this.tokens);
+ if (value === '=' && prev) {
+ if (!prev[1].reserved && (_ref2 = prev[1], __indexOf.call(JS_FORBIDDEN, _ref2) >= 0)) {
+ this.error("reserved word \"" + (this.value()) + "\" can't be assigned");
+ }
+ if ((_ref3 = prev[1]) === '||' || _ref3 === '&&') {
+ prev[0] = 'COMPOUND_ASSIGN';
+ prev[1] += '=';
+ return value.length;
+ }
+ }
+ if (value === ';') {
+ this.seenFor = false;
+ tag = 'TERMINATOR';
+ } else if (__indexOf.call(MATH, value) >= 0) {
+ tag = 'MATH';
+ } else if (__indexOf.call(COMPARE, value) >= 0) {
+ tag = 'COMPARE';
+ } else if (__indexOf.call(COMPOUND_ASSIGN, value) >= 0) {
+ tag = 'COMPOUND_ASSIGN';
+ } else if (__indexOf.call(UNARY, value) >= 0) {
+ tag = 'UNARY';
+ } else if (__indexOf.call(SHIFT, value) >= 0) {
+ tag = 'SHIFT';
+ } else if (__indexOf.call(LOGIC, value) >= 0 || value === '?' && (prev != null ? prev.spaced : void 0)) {
+ tag = 'LOGIC';
+ } else if (prev && !prev.spaced) {
+ if (value === '(' && (_ref4 = prev[0], __indexOf.call(CALLABLE, _ref4) >= 0)) {
+ if (prev[0] === '?') {
+ prev[0] = 'FUNC_EXIST';
+ }
+ tag = 'CALL_START';
+ } else if (value === '[' && (_ref5 = prev[0], __indexOf.call(INDEXABLE, _ref5) >= 0)) {
+ tag = 'INDEX_START';
+ switch (prev[0]) {
+ case '?':
+ prev[0] = 'INDEX_SOAK';
+ }
+ }
+ }
+ switch (value) {
+ case '(':
+ case '{':
+ case '[':
+ this.ends.push(INVERSES[value]);
+ break;
+ case ')':
+ case '}':
+ case ']':
+ this.pair(value);
+ }
+ this.token(tag, value);
+ return value.length;
+ };
+
+ Lexer.prototype.sanitizeHeredoc = function(doc, options) {
+ var attempt, herecomment, indent, match, _ref2;
+ indent = options.indent, herecomment = options.herecomment;
+ if (herecomment) {
+ if (HEREDOC_ILLEGAL.test(doc)) {
+ this.error("block comment cannot contain \"*/\", starting");
+ }
+ if (doc.indexOf('\n') < 0) {
+ return doc;
+ }
+ } else {
+ while (match = HEREDOC_INDENT.exec(doc)) {
+ attempt = match[1];
+ if (indent === null || (0 < (_ref2 = attempt.length) && _ref2 < indent.length)) {
+ indent = attempt;
+ }
+ }
+ }
+ if (indent) {
+ doc = doc.replace(RegExp("\\n" + indent, "g"), '\n');
+ }
+ if (!herecomment) {
+ doc = doc.replace(/^\n/, '');
+ }
+ return doc;
+ };
+
+ Lexer.prototype.tagParameters = function() {
+ var i, stack, tok, tokens;
+ if (this.tag() !== ')') {
+ return this;
+ }
+ stack = [];
+ tokens = this.tokens;
+ i = tokens.length;
+ tokens[--i][0] = 'PARAM_END';
+ while (tok = tokens[--i]) {
+ switch (tok[0]) {
+ case ')':
+ stack.push(tok);
+ break;
+ case '(':
+ case 'CALL_START':
+ if (stack.length) {
+ stack.pop();
+ } else if (tok[0] === '(') {
+ tok[0] = 'PARAM_START';
+ return this;
+ } else {
+ return this;
+ }
+ }
+ }
+ return this;
+ };
+
+ Lexer.prototype.closeIndentation = function() {
+ return this.outdentToken(this.indent);
+ };
+
+ Lexer.prototype.balancedString = function(str, end) {
+ var continueCount, i, letter, match, prev, stack, _i, _ref2;
+ continueCount = 0;
+ stack = [end];
+ for (i = _i = 1, _ref2 = str.length; 1 <= _ref2 ? _i < _ref2 : _i > _ref2; i = 1 <= _ref2 ? ++_i : --_i) {
+ if (continueCount) {
+ --continueCount;
+ continue;
+ }
+ switch (letter = str.charAt(i)) {
+ case '\\':
+ ++continueCount;
+ continue;
+ case end:
+ stack.pop();
+ if (!stack.length) {
+ return str.slice(0, +i + 1 || 9e9);
+ }
+ end = stack[stack.length - 1];
+ continue;
+ }
+ if (end === '}' && (letter === '"' || letter === "'")) {
+ stack.push(end = letter);
+ } else if (end === '}' && letter === '/' && (match = HEREGEX.exec(str.slice(i)) || REGEX.exec(str.slice(i)))) {
+ continueCount += match[0].length - 1;
+ } else if (end === '}' && letter === '{') {
+ stack.push(end = '}');
+ } else if (end === '"' && prev === '#' && letter === '{') {
+ stack.push(end = '}');
+ }
+ prev = letter;
+ }
+ return this.error("missing " + (stack.pop()) + ", starting");
+ };
+
+ Lexer.prototype.interpolateString = function(str, options) {
+ var column, expr, heredoc, i, inner, interpolated, len, letter, lexedLength, line, locationToken, nested, offsetInChunk, pi, plusToken, popped, regex, rparen, strOffset, tag, token, tokens, value, _i, _len, _ref2, _ref3, _ref4;
+ if (options == null) {
+ options = {};
+ }
+ heredoc = options.heredoc, regex = options.regex, offsetInChunk = options.offsetInChunk, strOffset = options.strOffset, lexedLength = options.lexedLength;
+ offsetInChunk = offsetInChunk || 0;
+ strOffset = strOffset || 0;
+ lexedLength = lexedLength || str.length;
+ if (heredoc && str.length > 0 && str[0] === '\n') {
+ str = str.slice(1);
+ strOffset++;
+ }
+ tokens = [];
+ pi = 0;
+ i = -1;
+ while (letter = str.charAt(i += 1)) {
+ if (letter === '\\') {
+ i += 1;
+ continue;
+ }
+ if (!(letter === '#' && str.charAt(i + 1) === '{' && (expr = this.balancedString(str.slice(i + 1), '}')))) {
+ continue;
+ }
+ if (pi < i) {
+ tokens.push(this.makeToken('NEOSTRING', str.slice(pi, i), strOffset + pi));
+ }
+ inner = expr.slice(1, -1);
+ if (inner.length) {
+ _ref2 = this.getLineAndColumnFromChunk(strOffset + i + 1), line = _ref2[0], column = _ref2[1];
+ nested = new Lexer().tokenize(inner, {
+ line: line,
+ column: column,
+ rewrite: false
+ });
+ popped = nested.pop();
+ if (((_ref3 = nested[0]) != null ? _ref3[0] : void 0) === 'TERMINATOR') {
+ popped = nested.shift();
+ }
+ if (len = nested.length) {
+ if (len > 1) {
+ nested.unshift(this.makeToken('(', '(', strOffset + i + 1, 0));
+ nested.push(this.makeToken(')', ')', strOffset + i + 1 + inner.length, 0));
+ }
+ tokens.push(['TOKENS', nested]);
+ }
+ }
+ i += expr.length;
+ pi = i + 1;
+ }
+ if ((i > pi && pi < str.length)) {
+ tokens.push(this.makeToken('NEOSTRING', str.slice(pi), strOffset + pi));
+ }
+ if (regex) {
+ return tokens;
+ }
+ if (!tokens.length) {
+ return this.token('STRING', '""', offsetInChunk, lexedLength);
+ }
+ if (tokens[0][0] !== 'NEOSTRING') {
+ tokens.unshift(this.makeToken('NEOSTRING', '', offsetInChunk));
+ }
+ if (interpolated = tokens.length > 1) {
+ this.token('(', '(', offsetInChunk, 0);
+ }
+ for (i = _i = 0, _len = tokens.length; _i < _len; i = ++_i) {
+ token = tokens[i];
+ tag = token[0], value = token[1];
+ if (i) {
+ if (i) {
+ plusToken = this.token('+', '+');
+ }
+ locationToken = tag === 'TOKENS' ? value[0] : token;
+ plusToken[2] = {
+ first_line: locationToken[2].first_line,
+ first_column: locationToken[2].first_column,
+ last_line: locationToken[2].first_line,
+ last_column: locationToken[2].first_column
+ };
+ }
+ if (tag === 'TOKENS') {
+ (_ref4 = this.tokens).push.apply(_ref4, value);
+ } else if (tag === 'NEOSTRING') {
+ token[0] = 'STRING';
+ token[1] = this.makeString(value, '"', heredoc);
+ this.tokens.push(token);
+ } else {
+ this.error("Unexpected " + tag);
+ }
+ }
+ if (interpolated) {
+ rparen = this.makeToken(')', ')', offsetInChunk + lexedLength, 0);
+ rparen.stringEnd = true;
+ this.tokens.push(rparen);
+ }
+ return tokens;
+ };
+
+ Lexer.prototype.pair = function(tag) {
+ var size, wanted;
+ if (tag !== (wanted = last(this.ends))) {
+ if ('OUTDENT' !== wanted) {
+ this.error("unmatched " + tag);
+ }
+ this.indent -= size = last(this.indents);
+ this.outdentToken(size, true);
+ return this.pair(tag);
+ }
+ return this.ends.pop();
+ };
+
+ Lexer.prototype.getLineAndColumnFromChunk = function(offset) {
+ var column, lineCount, lines, string;
+ if (offset === 0) {
+ return [this.chunkLine, this.chunkColumn];
+ }
+ if (offset >= this.chunk.length) {
+ string = this.chunk;
+ } else {
+ string = this.chunk.slice(0, +(offset - 1) + 1 || 9e9);
+ }
+ lineCount = count(string, '\n');
+ column = this.chunkColumn;
+ if (lineCount > 0) {
+ lines = string.split('\n');
+ column = last(lines).length;
+ } else {
+ column += string.length;
+ }
+ return [this.chunkLine + lineCount, column];
+ };
+
+ Lexer.prototype.makeToken = function(tag, value, offsetInChunk, length) {
+ var lastCharacter, locationData, token, _ref2, _ref3;
+ if (offsetInChunk == null) {
+ offsetInChunk = 0;
+ }
+ if (length == null) {
+ length = value.length;
+ }
+ locationData = {};
+ _ref2 = this.getLineAndColumnFromChunk(offsetInChunk), locationData.first_line = _ref2[0], locationData.first_column = _ref2[1];
+ lastCharacter = Math.max(0, length - 1);
+ _ref3 = this.getLineAndColumnFromChunk(offsetInChunk + lastCharacter), locationData.last_line = _ref3[0], locationData.last_column = _ref3[1];
+ token = [tag, value, locationData];
+ return token;
+ };
+
+ Lexer.prototype.token = function(tag, value, offsetInChunk, length) {
+ var token;
+ token = this.makeToken(tag, value, offsetInChunk, length);
+ this.tokens.push(token);
+ return token;
+ };
+
+ Lexer.prototype.tag = function(index, tag) {
+ var tok;
+ return (tok = last(this.tokens, index)) && (tag ? tok[0] = tag : tok[0]);
+ };
+
+ Lexer.prototype.value = function(index, val) {
+ var tok;
+ return (tok = last(this.tokens, index)) && (val ? tok[1] = val : tok[1]);
+ };
+
+ Lexer.prototype.unfinished = function() {
+ var _ref2;
+ return LINE_CONTINUER.test(this.chunk) || ((_ref2 = this.tag()) === '\\' || _ref2 === '.' || _ref2 === '?.' || _ref2 === '?::' || _ref2 === 'UNARY' || _ref2 === 'MATH' || _ref2 === '+' || _ref2 === '-' || _ref2 === 'SHIFT' || _ref2 === 'RELATION' || _ref2 === 'COMPARE' || _ref2 === 'LOGIC' || _ref2 === 'THROW' || _ref2 === 'EXTENDS');
+ };
+
+ Lexer.prototype.escapeLines = function(str, heredoc) {
+ return str.replace(MULTILINER, heredoc ? '\\n' : '');
+ };
+
+ Lexer.prototype.makeString = function(body, quote, heredoc) {
+ if (!body) {
+ return quote + quote;
+ }
+ body = body.replace(/\\([\s\S])/g, function(match, contents) {
+ if (contents === '\n' || contents === quote) {
+ return contents;
+ } else {
+ return match;
+ }
+ });
+ body = body.replace(RegExp("" + quote, "g"), '\\$&');
+ return quote + this.escapeLines(body, heredoc) + quote;
+ };
+
+ Lexer.prototype.error = function(message, offset) {
+ var first_column, first_line, _ref2;
+ if (offset == null) {
+ offset = 0;
+ }
+ _ref2 = this.getLineAndColumnFromChunk(offset), first_line = _ref2[0], first_column = _ref2[1];
+ return throwSyntaxError(message, {
+ first_line: first_line,
+ first_column: first_column
+ });
+ };
+
+ return Lexer;
+
+ })();
+
+ JS_KEYWORDS = ['true', 'false', 'null', 'this', 'new', 'delete', 'typeof', 'in', 'instanceof', 'return', 'throw', 'break', 'continue', 'debugger', 'if', 'else', 'switch', 'for', 'while', 'do', 'try', 'catch', 'finally', 'class', 'extends', 'super'];
+
+ COFFEE_KEYWORDS = ['undefined', 'then', 'unless', 'until', 'loop', 'of', 'by', 'when'];
+
+ COFFEE_ALIAS_MAP = {
+ and: '&&',
+ or: '||',
+ is: '==',
+ isnt: '!=',
+ not: '!',
+ yes: 'true',
+ no: 'false',
+ on: 'true',
+ off: 'false'
+ };
+
+ COFFEE_ALIASES = (function() {
+ var _results;
+ _results = [];
+ for (key in COFFEE_ALIAS_MAP) {
+ _results.push(key);
+ }
+ return _results;
+ })();
+
+ COFFEE_KEYWORDS = COFFEE_KEYWORDS.concat(COFFEE_ALIASES);
+
+ RESERVED = ['case', 'default', 'function', 'var', 'void', 'with', 'const', 'let', 'enum', 'export', 'import', 'native', '__hasProp', '__extends', '__slice', '__bind', '__indexOf', 'implements', 'interface', 'package', 'private', 'protected', 'public', 'static', 'yield'];
+
+ STRICT_PROSCRIBED = ['arguments', 'eval'];
+
+ JS_FORBIDDEN = JS_KEYWORDS.concat(RESERVED).concat(STRICT_PROSCRIBED);
+
+ exports.RESERVED = RESERVED.concat(JS_KEYWORDS).concat(COFFEE_KEYWORDS).concat(STRICT_PROSCRIBED);
+
+ exports.STRICT_PROSCRIBED = STRICT_PROSCRIBED;
+
+ BOM = 65279;
+
+ IDENTIFIER = /^([$A-Za-z_\x7f-\uffff][$\w\x7f-\uffff]*)([^\n\S]*:(?!:))?/;
+
+ NUMBER = /^0b[01]+|^0o[0-7]+|^0x[\da-f]+|^\d*\.?\d+(?:e[+-]?\d+)?/i;
+
+ HEREDOC = /^("""|''')([\s\S]*?)(?:\n[^\n\S]*)?\1/;
+
+ OPERATOR = /^(?:[-=]>|[-+*\/%<>&|^!?=]=|>>>=?|([-+:])\1|([&|<>])\2=?|\?(\.|::)|\.{2,3})/;
+
+ WHITESPACE = /^[^\n\S]+/;
+
+ COMMENT = /^###([^#][\s\S]*?)(?:###[^\n\S]*|(?:###)$)|^(?:\s*#(?!##[^#]).*)+/;
+
+ CODE = /^[-=]>/;
+
+ MULTI_DENT = /^(?:\n[^\n\S]*)+/;
+
+ SIMPLESTR = /^'[^\\']*(?:\\.[^\\']*)*'/;
+
+ JSTOKEN = /^`[^\\`]*(?:\\.[^\\`]*)*`/;
+
+ REGEX = /^(\/(?![\s=])[^[\/\n\\]*(?:(?:\\[\s\S]|\[[^\]\n\\]*(?:\\[\s\S][^\]\n\\]*)*])[^[\/\n\\]*)*\/)([imgy]{0,4})(?!\w)/;
+
+ HEREGEX = /^\/{3}([\s\S]+?)\/{3}([imgy]{0,4})(?!\w)/;
+
+ HEREGEX_OMIT = /\s+(?:#.*)?/g;
+
+ MULTILINER = /\n/g;
+
+ HEREDOC_INDENT = /\n+([^\n\S]*)/g;
+
+ HEREDOC_ILLEGAL = /\*\//;
+
+ LINE_CONTINUER = /^\s*(?:,|\??\.(?![.\d])|::)/;
+
+ TRAILING_SPACES = /\s+$/;
+
+ COMPOUND_ASSIGN = ['-=', '+=', '/=', '*=', '%=', '||=', '&&=', '?=', '<<=', '>>=', '>>>=', '&=', '^=', '|='];
+
+ UNARY = ['!', '~', 'NEW', 'TYPEOF', 'DELETE', 'DO'];
+
+ LOGIC = ['&&', '||', '&', '|', '^'];
+
+ SHIFT = ['<<', '>>', '>>>'];
+
+ COMPARE = ['==', '!=', '<', '>', '<=', '>='];
+
+ MATH = ['*', '/', '%'];
+
+ RELATION = ['IN', 'OF', 'INSTANCEOF'];
+
+ BOOL = ['TRUE', 'FALSE'];
+
+ NOT_REGEX = ['NUMBER', 'REGEX', 'BOOL', 'NULL', 'UNDEFINED', '++', '--'];
+
+ NOT_SPACED_REGEX = NOT_REGEX.concat(')', '}', 'THIS', 'IDENTIFIER', 'STRING', ']');
+
+ CALLABLE = ['IDENTIFIER', 'STRING', 'REGEX', ')', ']', '}', '?', '::', '@', 'THIS', 'SUPER'];
+
+ INDEXABLE = CALLABLE.concat('NUMBER', 'BOOL', 'NULL', 'UNDEFINED');
+
+ LINE_BREAK = ['INDENT', 'OUTDENT', 'TERMINATOR'];
+
+
+});
\ No newline at end of file