--- /dev/null
+// Generated by CoffeeScript 1.10.0
+(function() {
+ var BOM, BOOL, CALLABLE, CODE, COFFEE_ALIASES, COFFEE_ALIAS_MAP, COFFEE_KEYWORDS, COMMENT, COMPARE, COMPOUND_ASSIGN, HERECOMMENT_ILLEGAL, HEREDOC_DOUBLE, HEREDOC_INDENT, HEREDOC_SINGLE, HEREGEX, HEREGEX_OMIT, IDENTIFIER, INDENTABLE_CLOSERS, INDEXABLE, INVALID_ESCAPE, INVERSES, JSTOKEN, JS_FORBIDDEN, JS_KEYWORDS, LEADING_BLANK_LINE, LINE_BREAK, LINE_CONTINUER, LOGIC, Lexer, MATH, MULTI_DENT, NOT_REGEX, NUMBER, OPERATOR, POSSIBLY_DIVISION, REGEX, REGEX_FLAGS, REGEX_ILLEGAL, RELATION, RESERVED, Rewriter, SHIFT, SIMPLE_STRING_OMIT, STRICT_PROSCRIBED, STRING_DOUBLE, STRING_OMIT, STRING_SINGLE, STRING_START, TRAILING_BLANK_LINE, TRAILING_SPACES, UNARY, UNARY_MATH, VALID_FLAGS, WHITESPACE, compact, count, invertLiterate, key, locationDataToString, ref, ref1, repeat, starts, throwSyntaxError,
+ 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, 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, end, i, 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.seenFor = false;
+ 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.stringToken() || this.numberToken() || this.regexToken() || this.jsToken() || this.literalToken();
+ ref2 = this.getLineAndColumnFromChunk(consumed), this.chunkLine = ref2[0], this.chunkColumn = ref2[1];
+ i += consumed;
+ if (opts.untilBalanced && this.ends.length === 0) {
+ return {
+ tokens: this.tokens,
+ index: i
+ };
+ }
+ }
+ this.closeIndentation();
+ if (end = this.ends.pop()) {
+ this.error("missing " + end.tag, end.origin[2]);
+ }
+ 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 alias, colon, colonOffset, forcedIdentifier, id, idLength, input, match, poppedToken, prev, ref2, ref3, ref4, ref5, tag, tagToken;
+ 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;
+ }
+ if (id === 'from' && this.tag() === 'YIELD') {
+ this.token('FROM', id);
+ return id.length;
+ }
+ ref2 = this.tokens, prev = ref2[ref2.length - 1];
+ forcedIdentifier = colon || (prev != null) && (((ref3 = prev[0]) === '.' || ref3 === '?.' || ref3 === '::' || ref3 === '?::') || !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' && (ref4 = this.tag(), indexOf.call(LINE_BREAK, ref4) >= 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 + "'", {
+ length: id.length
+ });
+ }
+ }
+ if (!forcedIdentifier) {
+ if (indexOf.call(COFFEE_ALIASES, id) >= 0) {
+ alias = id;
+ 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 (alias) {
+ tagToken.origin = [tag, alias, tagToken[2]];
+ }
+ tagToken.variable = !forcedIdentifier;
+ if (poppedToken) {
+ ref5 = [poppedToken[2].first_line, poppedToken[2].first_column], tagToken[2].first_line = ref5[0], tagToken[2].first_column = ref5[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];
+ lexedLength = number.length;
+ if (/^0[BOX]/.test(number)) {
+ this.error("radix prefix in '" + number + "' must be lowercase", {
+ offset: 1
+ });
+ } else if (/E/.test(number) && !/^0x/.test(number)) {
+ this.error("exponential notation in '" + number + "' must be indicated with a lowercase 'e'", {
+ offset: number.indexOf('E')
+ });
+ } else if (/^0\d*[89]/.test(number)) {
+ this.error("decimal literal '" + number + "' must not be prefixed with '0'", {
+ length: lexedLength
+ });
+ } else if (/^0\d+/.test(number)) {
+ this.error("octal literal '" + number + "' must be prefixed with '0o'", {
+ length: lexedLength
+ });
+ }
+ 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 $, attempt, delimiter, doc, end, heredoc, i, indent, indentRegex, match, quote, ref2, ref3, regex, token, tokens;
+ quote = (STRING_START.exec(this.chunk) || [])[0];
+ if (!quote) {
+ return 0;
+ }
+ regex = (function() {
+ switch (quote) {
+ case "'":
+ return STRING_SINGLE;
+ case '"':
+ return STRING_DOUBLE;
+ case "'''":
+ return HEREDOC_SINGLE;
+ case '"""':
+ return HEREDOC_DOUBLE;
+ }
+ })();
+ heredoc = quote.length === 3;
+ ref2 = this.matchWithInterpolations(regex, quote), tokens = ref2.tokens, end = ref2.index;
+ $ = tokens.length - 1;
+ delimiter = quote.charAt(0);
+ if (heredoc) {
+ indent = null;
+ doc = ((function() {
+ var j, len, results;
+ results = [];
+ for (i = j = 0, len = tokens.length; j < len; i = ++j) {
+ token = tokens[i];
+ if (token[0] === 'NEOSTRING') {
+ results.push(token[1]);
+ }
+ }
+ return results;
+ })()).join('#{}');
+ while (match = HEREDOC_INDENT.exec(doc)) {
+ attempt = match[1];
+ if (indent === null || (0 < (ref3 = attempt.length) && ref3 < indent.length)) {
+ indent = attempt;
+ }
+ }
+ if (indent) {
+ indentRegex = RegExp("^" + indent, "gm");
+ }
+ this.mergeInterpolationTokens(tokens, {
+ delimiter: delimiter
+ }, (function(_this) {
+ return function(value, i) {
+ value = _this.formatString(value);
+ if (i === 0) {
+ value = value.replace(LEADING_BLANK_LINE, '');
+ }
+ if (i === $) {
+ value = value.replace(TRAILING_BLANK_LINE, '');
+ }
+ if (indentRegex) {
+ value = value.replace(indentRegex, '');
+ }
+ return value;
+ };
+ })(this));
+ } else {
+ this.mergeInterpolationTokens(tokens, {
+ delimiter: delimiter
+ }, (function(_this) {
+ return function(value, i) {
+ value = _this.formatString(value);
+ value = value.replace(SIMPLE_STRING_OMIT, function(match, offset) {
+ if ((i === 0 && offset === 0) || (i === $ && offset + match.length === value.length)) {
+ return '';
+ } else {
+ return ' ';
+ }
+ });
+ return value;
+ };
+ })(this));
+ }
+ return end;
+ };
+
+ Lexer.prototype.commentToken = function() {
+ var comment, here, match;
+ if (!(match = this.chunk.match(COMMENT))) {
+ return 0;
+ }
+ comment = match[0], here = match[1];
+ if (here) {
+ if (match = HERECOMMENT_ILLEGAL.exec(comment)) {
+ this.error("block comments cannot contain " + match[0], {
+ offset: match.index,
+ length: match[0].length
+ });
+ }
+ if (here.indexOf('\n') >= 0) {
+ here = here.replace(RegExp("\\n" + (repeat(' ', this.indent)), "g"), '\n');
+ }
+ this.token('HERECOMMENT', here, 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 body, closed, end, flags, index, match, origin, prev, ref2, ref3, ref4, regex, tokens;
+ switch (false) {
+ case !(match = REGEX_ILLEGAL.exec(this.chunk)):
+ this.error("regular expressions cannot begin with " + match[2], {
+ offset: match.index + match[1].length
+ });
+ break;
+ case !(match = this.matchWithInterpolations(HEREGEX, '///')):
+ tokens = match.tokens, index = match.index;
+ break;
+ case !(match = REGEX.exec(this.chunk)):
+ regex = match[0], body = match[1], closed = match[2];
+ this.validateEscapes(body, {
+ isRegex: true,
+ offsetInChunk: 1
+ });
+ index = regex.length;
+ ref2 = this.tokens, prev = ref2[ref2.length - 1];
+ if (prev) {
+ if (prev.spaced && (ref3 = prev[0], indexOf.call(CALLABLE, ref3) >= 0)) {
+ if (!closed || POSSIBLY_DIVISION.test(regex)) {
+ return 0;
+ }
+ } else if (ref4 = prev[0], indexOf.call(NOT_REGEX, ref4) >= 0) {
+ return 0;
+ }
+ }
+ if (!closed) {
+ this.error('missing / (unclosed regex)');
+ }
+ break;
+ default:
+ return 0;
+ }
+ flags = REGEX_FLAGS.exec(this.chunk.slice(index))[0];
+ end = index + flags.length;
+ origin = this.makeToken('REGEX', null, 0, end);
+ switch (false) {
+ case !!VALID_FLAGS.test(flags):
+ this.error("invalid regular expression flags " + flags, {
+ offset: index,
+ length: flags.length
+ });
+ break;
+ case !(regex || tokens.length === 1):
+ if (body == null) {
+ body = this.formatHeregex(tokens[0][1]);
+ }
+ this.token('REGEX', "" + (this.makeDelimitedLiteral(body, {
+ delimiter: '/'
+ })) + flags, 0, end, origin);
+ break;
+ default:
+ this.token('REGEX_START', '(', 0, 0, origin);
+ this.token('IDENTIFIER', 'RegExp', 0, 0);
+ this.token('CALL_START', '(', 0, 0);
+ this.mergeInterpolationTokens(tokens, {
+ delimiter: '"',
+ double: true
+ }, this.formatHeregex);
+ if (flags) {
+ this.token(',', ',', index, 0);
+ this.token('STRING', '"' + flags + '"', index, flags.length);
+ }
+ this.token(')', ')', end, 0);
+ this.token('REGEX_END', ')', end, 0);
+ }
+ return end;
+ };
+
+ 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({
+ tag: 'OUTDENT'
+ });
+ this.outdebt = this.indebt = 0;
+ this.indent = size;
+ } else if (size < this.baseIndent) {
+ this.error('missing indentation', {
+ offset: indent.length
+ });
+ } else {
+ this.indebt = 0;
+ this.outdentToken(this.indent - size, noNewlines, indent.length);
+ }
+ return indent.length;
+ };
+
+ Lexer.prototype.outdentToken = function(moveOut, noNewlines, outdentLength) {
+ var decreasedIndent, dent, lastIndent, ref2;
+ decreasedIndent = this.indent - moveOut;
+ while (moveOut > 0) {
+ lastIndent = this.indents[this.indents.length - 1];
+ if (!lastIndent) {
+ moveOut = 0;
+ } else if (lastIndent === this.outdebt) {
+ moveOut -= this.outdebt;
+ this.outdebt = 0;
+ } else if (lastIndent < this.outdebt) {
+ this.outdebt -= lastIndent;
+ moveOut -= lastIndent;
+ } else {
+ dent = this.indents.pop() + this.outdebt;
+ if (outdentLength && (ref2 = this.chunk[outdentLength], indexOf.call(INDENTABLE_CLOSERS, ref2) >= 0)) {
+ decreasedIndent -= dent - moveOut;
+ moveOut = dent;
+ }
+ this.outdebt = 0;
+ this.pair('OUTDENT');
+ this.token('OUTDENT', moveOut, 0, outdentLength);
+ moveOut -= dent;
+ }
+ }
+ if (dent) {
+ this.outdebt -= moveOut;
+ }
+ while (this.value() === ';') {
+ this.tokens.pop();
+ }
+ if (!(this.tag() === 'TERMINATOR' || noNewlines)) {
+ this.token('TERMINATOR', '\n', outdentLength, 0);
+ }
+ this.indent = decreasedIndent;
+ return this;
+ };
+
+ Lexer.prototype.whitespaceToken = function() {
+ var match, nline, prev, ref2;
+ if (!((match = WHITESPACE.exec(this.chunk)) || (nline = this.chunk.charAt(0) === '\n'))) {
+ return 0;
+ }
+ ref2 = this.tokens, prev = ref2[ref2.length - 1];
+ 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, ref2, ref3, ref4, ref5, ref6, tag, token, value;
+ if (match = OPERATOR.exec(this.chunk)) {
+ value = match[0];
+ if (CODE.test(value)) {
+ this.tagParameters();
+ }
+ } else {
+ value = this.chunk.charAt(0);
+ }
+ tag = value;
+ ref2 = this.tokens, prev = ref2[ref2.length - 1];
+ if (value === '=' && prev) {
+ if (!prev[1].reserved && (ref3 = prev[1], indexOf.call(JS_FORBIDDEN, ref3) >= 0)) {
+ if (prev.origin) {
+ prev = prev.origin;
+ }
+ this.error("reserved word '" + prev[1] + "' can't be assigned", prev[2]);
+ }
+ if ((ref4 = prev[1]) === '||' || ref4 === '&&') {
+ 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(UNARY_MATH, value) >= 0) {
+ tag = 'UNARY_MATH';
+ } 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 === '(' && (ref5 = prev[0], indexOf.call(CALLABLE, ref5) >= 0)) {
+ if (prev[0] === '?') {
+ prev[0] = 'FUNC_EXIST';
+ }
+ tag = 'CALL_START';
+ } else if (value === '[' && (ref6 = prev[0], indexOf.call(INDEXABLE, ref6) >= 0)) {
+ tag = 'INDEX_START';
+ switch (prev[0]) {
+ case '?':
+ prev[0] = 'INDEX_SOAK';
+ }
+ }
+ }
+ token = this.makeToken(tag, value);
+ switch (value) {
+ case '(':
+ case '{':
+ case '[':
+ this.ends.push({
+ tag: INVERSES[value],
+ origin: token
+ });
+ break;
+ case ')':
+ case '}':
+ case ']':
+ this.pair(value);
+ }
+ this.tokens.push(token);
+ return value.length;
+ };
+
+ 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.matchWithInterpolations = function(regex, delimiter) {
+ var close, column, firstToken, index, lastToken, line, nested, offsetInChunk, open, ref2, ref3, ref4, str, strPart, tokens;
+ tokens = [];
+ offsetInChunk = delimiter.length;
+ if (this.chunk.slice(0, offsetInChunk) !== delimiter) {
+ return null;
+ }
+ str = this.chunk.slice(offsetInChunk);
+ while (true) {
+ strPart = regex.exec(str)[0];
+ this.validateEscapes(strPart, {
+ isRegex: delimiter.charAt(0) === '/',
+ offsetInChunk: offsetInChunk
+ });
+ tokens.push(this.makeToken('NEOSTRING', strPart, offsetInChunk));
+ str = str.slice(strPart.length);
+ offsetInChunk += strPart.length;
+ if (str.slice(0, 2) !== '#{') {
+ break;
+ }
+ ref2 = this.getLineAndColumnFromChunk(offsetInChunk + 1), line = ref2[0], column = ref2[1];
+ ref3 = new Lexer().tokenize(str.slice(1), {
+ line: line,
+ column: column,
+ untilBalanced: true
+ }), nested = ref3.tokens, index = ref3.index;
+ index += 1;
+ open = nested[0], close = nested[nested.length - 1];
+ open[0] = open[1] = '(';
+ close[0] = close[1] = ')';
+ close.origin = ['', 'end of interpolation', close[2]];
+ if (((ref4 = nested[1]) != null ? ref4[0] : void 0) === 'TERMINATOR') {
+ nested.splice(1, 1);
+ }
+ tokens.push(['TOKENS', nested]);
+ str = str.slice(index);
+ offsetInChunk += index;
+ }
+ if (str.slice(0, delimiter.length) !== delimiter) {
+ this.error("missing " + delimiter, {
+ length: delimiter.length
+ });
+ }
+ firstToken = tokens[0], lastToken = tokens[tokens.length - 1];
+ firstToken[2].first_column -= delimiter.length;
+ lastToken[2].last_column += delimiter.length;
+ if (lastToken[1].length === 0) {
+ lastToken[2].last_column -= 1;
+ }
+ return {
+ tokens: tokens,
+ index: offsetInChunk + delimiter.length
+ };
+ };
+
+ Lexer.prototype.mergeInterpolationTokens = function(tokens, options, fn) {
+ var converted, firstEmptyStringIndex, firstIndex, i, j, lastToken, len, locationToken, lparen, plusToken, ref2, rparen, tag, token, tokensToPush, value;
+ if (tokens.length > 1) {
+ lparen = this.token('STRING_START', '(', 0, 0);
+ }
+ firstIndex = this.tokens.length;
+ for (i = j = 0, len = tokens.length; j < len; i = ++j) {
+ token = tokens[i];
+ tag = token[0], value = token[1];
+ switch (tag) {
+ case 'TOKENS':
+ if (value.length === 2) {
+ continue;
+ }
+ locationToken = value[0];
+ tokensToPush = value;
+ break;
+ case 'NEOSTRING':
+ converted = fn(token[1], i);
+ if (converted.length === 0) {
+ if (i === 0) {
+ firstEmptyStringIndex = this.tokens.length;
+ } else {
+ continue;
+ }
+ }
+ if (i === 2 && (firstEmptyStringIndex != null)) {
+ this.tokens.splice(firstEmptyStringIndex, 2);
+ }
+ token[0] = 'STRING';
+ token[1] = this.makeDelimitedLiteral(converted, options);
+ locationToken = token;
+ tokensToPush = [token];
+ }
+ if (this.tokens.length > firstIndex) {
+ plusToken = this.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
+ };
+ }
+ (ref2 = this.tokens).push.apply(ref2, tokensToPush);
+ }
+ if (lparen) {
+ lastToken = tokens[tokens.length - 1];
+ lparen.origin = [
+ 'STRING', null, {
+ first_line: lparen[2].first_line,
+ first_column: lparen[2].first_column,
+ last_line: lastToken[2].last_line,
+ last_column: lastToken[2].last_column
+ }
+ ];
+ rparen = this.token('STRING_END', ')');
+ return rparen[2] = {
+ first_line: lastToken[2].last_line,
+ first_column: lastToken[2].last_column,
+ last_line: lastToken[2].last_line,
+ last_column: lastToken[2].last_column
+ };
+ }
+ };
+
+ Lexer.prototype.pair = function(tag) {
+ var lastIndent, prev, ref2, ref3, wanted;
+ ref2 = this.ends, prev = ref2[ref2.length - 1];
+ if (tag !== (wanted = prev != null ? prev.tag : void 0)) {
+ if ('OUTDENT' !== wanted) {
+ this.error("unmatched " + tag);
+ }
+ ref3 = this.indents, lastIndent = ref3[ref3.length - 1];
+ this.outdentToken(lastIndent, true);
+ return this.pair(tag);
+ }
+ return this.ends.pop();
+ };
+
+ Lexer.prototype.getLineAndColumnFromChunk = function(offset) {
+ var column, lastLine, lineCount, ref2, 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) {
+ ref2 = string.split('\n'), lastLine = ref2[ref2.length - 1];
+ column = lastLine.length;
+ } else {
+ column += string.length;
+ }
+ return [this.chunkLine + lineCount, column];
+ };
+
+ Lexer.prototype.makeToken = function(tag, value, offsetInChunk, length) {
+ var lastCharacter, locationData, ref2, ref3, token;
+ 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, origin) {
+ var token;
+ token = this.makeToken(tag, value, offsetInChunk, length);
+ if (origin) {
+ token.origin = origin;
+ }
+ this.tokens.push(token);
+ return token;
+ };
+
+ Lexer.prototype.tag = function() {
+ var ref2, token;
+ ref2 = this.tokens, token = ref2[ref2.length - 1];
+ return token != null ? token[0] : void 0;
+ };
+
+ Lexer.prototype.value = function() {
+ var ref2, token;
+ ref2 = this.tokens, token = ref2[ref2.length - 1];
+ return token != null ? token[1] : void 0;
+ };
+
+ Lexer.prototype.unfinished = function() {
+ var ref2;
+ return LINE_CONTINUER.test(this.chunk) || ((ref2 = this.tag()) === '\\' || ref2 === '.' || ref2 === '?.' || ref2 === '?::' || ref2 === 'UNARY' || ref2 === 'MATH' || ref2 === 'UNARY_MATH' || ref2 === '+' || ref2 === '-' || ref2 === 'YIELD' || ref2 === '**' || ref2 === 'SHIFT' || ref2 === 'RELATION' || ref2 === 'COMPARE' || ref2 === 'LOGIC' || ref2 === 'THROW' || ref2 === 'EXTENDS');
+ };
+
+ Lexer.prototype.formatString = function(str) {
+ return str.replace(STRING_OMIT, '$1');
+ };
+
+ Lexer.prototype.formatHeregex = function(str) {
+ return str.replace(HEREGEX_OMIT, '$1$2');
+ };
+
+ Lexer.prototype.validateEscapes = function(str, options) {
+ var before, hex, invalidEscape, match, message, octal, ref2, unicode;
+ if (options == null) {
+ options = {};
+ }
+ match = INVALID_ESCAPE.exec(str);
+ if (!match) {
+ return;
+ }
+ match[0], before = match[1], octal = match[2], hex = match[3], unicode = match[4];
+ if (options.isRegex && octal && octal.charAt(0) !== '0') {
+ return;
+ }
+ message = octal ? "octal escape sequences are not allowed" : "invalid escape sequence";
+ invalidEscape = "\\" + (octal || hex || unicode);
+ return this.error(message + " " + invalidEscape, {
+ offset: ((ref2 = options.offsetInChunk) != null ? ref2 : 0) + match.index + before.length,
+ length: invalidEscape.length
+ });
+ };
+
+ Lexer.prototype.makeDelimitedLiteral = function(body, options) {
+ var regex;
+ if (options == null) {
+ options = {};
+ }
+ if (body === '' && options.delimiter === '/') {
+ body = '(?:)';
+ }
+ regex = RegExp("(\\\\\\\\)|(\\\\0(?=[1-7]))|\\\\?(" + options.delimiter + ")|\\\\?(?:(\\n)|(\\r)|(\\u2028)|(\\u2029))|(\\\\.)", "g");
+ body = body.replace(regex, function(match, backslash, nul, delimiter, lf, cr, ls, ps, other) {
+ switch (false) {
+ case !backslash:
+ if (options.double) {
+ return backslash + backslash;
+ } else {
+ return backslash;
+ }
+ case !nul:
+ return '\\x00';
+ case !delimiter:
+ return "\\" + delimiter;
+ case !lf:
+ return '\\n';
+ case !cr:
+ return '\\r';
+ case !ls:
+ return '\\u2028';
+ case !ps:
+ return '\\u2029';
+ case !other:
+ if (options.double) {
+ return "\\" + other;
+ } else {
+ return other;
+ }
+ }
+ });
+ return "" + options.delimiter + body + options.delimiter;
+ };
+
+ Lexer.prototype.error = function(message, options) {
+ var first_column, first_line, location, ref2, ref3, ref4;
+ if (options == null) {
+ options = {};
+ }
+ location = 'first_line' in options ? options : ((ref3 = this.getLineAndColumnFromChunk((ref2 = options.offset) != null ? ref2 : 0), first_line = ref3[0], first_column = ref3[1], ref3), {
+ first_line: first_line,
+ first_column: first_column,
+ last_column: first_column + ((ref4 = options.length) != null ? ref4 : 1) - 1
+ });
+ return throwSyntaxError(message, location);
+ };
+
+ return Lexer;
+
+ })();
+
+ JS_KEYWORDS = ['true', 'false', 'null', 'this', 'new', 'delete', 'typeof', 'in', 'instanceof', 'return', 'throw', 'break', 'continue', 'debugger', 'yield', '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', 'implements', 'interface', 'package', 'private', 'protected', 'public', 'static'];
+
+ STRICT_PROSCRIBED = ['arguments', 'eval', 'yield*'];
+
+ 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 = /^(?!\d)((?:(?!\s)[$\w\x7f-\uffff])+)([^\n\S]*:(?!:))?/;
+
+ NUMBER = /^0b[01]+|^0o[0-7]+|^0x[\da-f]+|^\d*\.?\d+(?:e[+-]?\d+)?/i;
+
+ OPERATOR = /^(?:[-=]>|[-+*\/%<>&|^!?=]=|>>>=?|([-+:])\1|([&|<>*\/%])\2=?|\?(\.|::)|\.{2,3})/;
+
+ WHITESPACE = /^[^\n\S]+/;
+
+ COMMENT = /^###([^#][\s\S]*?)(?:###[^\n\S]*|###$)|^(?:\s*#(?!##[^#]).*)+/;
+
+ CODE = /^[-=]>/;
+
+ MULTI_DENT = /^(?:\n[^\n\S]*)+/;
+
+ JSTOKEN = /^`[^\\`]*(?:\\.[^\\`]*)*`/;
+
+ STRING_START = /^(?:'''|"""|'|")/;
+
+ STRING_SINGLE = /^(?:[^\\']|\\[\s\S])*/;
+
+ STRING_DOUBLE = /^(?:[^\\"#]|\\[\s\S]|\#(?!\{))*/;
+
+ HEREDOC_SINGLE = /^(?:[^\\']|\\[\s\S]|'(?!''))*/;
+
+ HEREDOC_DOUBLE = /^(?:[^\\"#]|\\[\s\S]|"(?!"")|\#(?!\{))*/;
+
+ STRING_OMIT = /((?:\\\\)+)|\\[^\S\n]*\n\s*/g;
+
+ SIMPLE_STRING_OMIT = /\s*\n\s*/g;
+
+ HEREDOC_INDENT = /\n+([^\n\S]*)(?=\S)/g;
+
+ REGEX = /^\/(?!\/)((?:[^[\/\n\\]|\\[^\n]|\[(?:\\[^\n]|[^\]\n\\])*\])*)(\/)?/;
+
+ REGEX_FLAGS = /^\w*/;
+
+ VALID_FLAGS = /^(?!.*(.).*\1)[imgy]*$/;
+
+ HEREGEX = /^(?:[^\\\/#]|\\[\s\S]|\/(?!\/\/)|\#(?!\{))*/;
+
+ HEREGEX_OMIT = /((?:\\\\)+)|\\(\s)|\s+(?:#.*)?/g;
+
+ REGEX_ILLEGAL = /^(\/|\/{3}\s*)(\*)/;
+
+ POSSIBLY_DIVISION = /^\/=?\s/;
+
+ HERECOMMENT_ILLEGAL = /\*\//;
+
+ LINE_CONTINUER = /^\s*(?:,|\??\.(?![.\d])|::)/;
+
+ INVALID_ESCAPE = /((?:^|[^\\])(?:\\\\)*)\\(?:(0[0-7]|[1-7])|(x(?![\da-fA-F]{2}).{0,2})|(u(?![\da-fA-F]{4}).{0,4}))/;
+
+ LEADING_BLANK_LINE = /^[^\n\S]*\n/;
+
+ TRAILING_BLANK_LINE = /\n[^\n\S]*$/;
+
+ TRAILING_SPACES = /\s+$/;
+
+ COMPOUND_ASSIGN = ['-=', '+=', '/=', '*=', '%=', '||=', '&&=', '?=', '<<=', '>>=', '>>>=', '&=', '^=', '|=', '**=', '//=', '%%='];
+
+ UNARY = ['NEW', 'TYPEOF', 'DELETE', 'DO'];
+
+ UNARY_MATH = ['!', '~'];
+
+ LOGIC = ['&&', '||', '&', '|', '^'];
+
+ SHIFT = ['<<', '>>', '>>>'];
+
+ COMPARE = ['==', '!=', '<', '>', '<=', '>='];
+
+ MATH = ['*', '/', '%', '//', '%%'];
+
+ RELATION = ['IN', 'OF', 'INSTANCEOF'];
+
+ BOOL = ['TRUE', 'FALSE'];
+
+ CALLABLE = ['IDENTIFIER', ')', ']', '?', '@', 'THIS', 'SUPER'];
+
+ INDEXABLE = CALLABLE.concat(['NUMBER', 'STRING', 'STRING_END', 'REGEX', 'REGEX_END', 'BOOL', 'NULL', 'UNDEFINED', '}', '::']);
+
+ NOT_REGEX = INDEXABLE.concat(['++', '--']);
+
+ LINE_BREAK = ['INDENT', 'OUTDENT', 'TERMINATOR'];
+
+ INDENTABLE_CLOSERS = [')', '}', ']'];
+
+}).call(this);