mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
901 lines
30 KiB
JavaScript
901 lines
30 KiB
JavaScript
// Generated by CoffeeScript 1.5.0
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(function() {
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var BOM, BOOL, CALLABLE, CODE, COFFEE_ALIASES, COFFEE_ALIAS_MAP, COFFEE_KEYWORDS, COMMENT, COMPARE, COMPOUND_ASSIGN, CompilerError, HEREDOC, HEREDOC_ILLEGAL, HEREDOC_INDENT, HEREGEX, HEREGEX_OMIT, IDENTIFIER, INDEXABLE, INVERSES, JSTOKEN, JS_FORBIDDEN, JS_KEYWORDS, LINE_BREAK, LINE_CONTINUER, LITERATE, 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, key, last, locationDataToString, starts, _ref, _ref1,
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__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; };
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_ref = require('./rewriter'), Rewriter = _ref.Rewriter, INVERSES = _ref.INVERSES;
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_ref1 = require('./helpers'), count = _ref1.count, starts = _ref1.starts, compact = _ref1.compact, last = _ref1.last, locationDataToString = _ref1.locationDataToString;
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CompilerError = require('./error').CompilerError;
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exports.Lexer = Lexer = (function() {
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function Lexer() {}
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Lexer.prototype.tokenize = function(code, opts) {
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var consumed, i, tag, _ref2;
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if (opts == null) {
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opts = {};
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}
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this.literate = opts.literate;
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code = this.clean(code);
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this.indent = 0;
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this.indebt = 0;
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this.outdebt = 0;
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this.indents = [];
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this.ends = [];
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this.tokens = [];
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this.chunkLine = opts.line || 0;
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this.chunkColumn = opts.column || 0;
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i = 0;
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while (this.chunk = code.slice(i)) {
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consumed = this.identifierToken() || this.commentToken() || this.whitespaceToken() || this.lineToken() || this.heredocToken() || this.stringToken() || this.numberToken() || this.regexToken() || this.jsToken() || this.literalToken();
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_ref2 = this.getLineAndColumnFromChunk(consumed), this.chunkLine = _ref2[0], this.chunkColumn = _ref2[1];
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i += consumed;
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}
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this.closeIndentation();
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if (tag = this.ends.pop()) {
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this.error("missing " + tag);
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}
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if (opts.rewrite === false) {
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return this.tokens;
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}
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return (new Rewriter).rewrite(this.tokens);
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};
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Lexer.prototype.clean = function(code) {
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var line, lines, match;
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if (code.charCodeAt(0) === BOM) {
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code = code.slice(1);
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}
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if (WHITESPACE.test(code)) {
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code = "\n" + code;
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}
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code = code.replace(/\r/g, '').replace(TRAILING_SPACES, '');
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if (this.literate) {
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lines = (function() {
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var _i, _len, _ref2, _results;
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_ref2 = code.split('\n');
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_results = [];
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for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
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line = _ref2[_i];
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if (match = LITERATE.exec(line)) {
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_results.push(line.slice(match[0].length));
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} else {
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_results.push('# ' + line);
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}
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}
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return _results;
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})();
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code = lines.join('\n');
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}
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return code;
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};
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Lexer.prototype.identifierToken = function() {
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var colon, colonOffset, forcedIdentifier, id, idLength, input, match, poppedToken, prev, tag, tagToken, _ref2, _ref3, _ref4;
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if (!(match = IDENTIFIER.exec(this.chunk))) {
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return 0;
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}
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input = match[0], id = match[1], colon = match[2];
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idLength = id.length;
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poppedToken = void 0;
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if (id === 'own' && this.tag() === 'FOR') {
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this.token('OWN', id);
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return id.length;
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}
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forcedIdentifier = colon || (prev = last(this.tokens)) && (((_ref2 = prev[0]) === '.' || _ref2 === '?.' || _ref2 === '::') || !prev.spaced && prev[0] === '@');
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tag = 'IDENTIFIER';
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if (!forcedIdentifier && (__indexOf.call(JS_KEYWORDS, id) >= 0 || __indexOf.call(COFFEE_KEYWORDS, id) >= 0)) {
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tag = id.toUpperCase();
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if (tag === 'WHEN' && (_ref3 = this.tag(), __indexOf.call(LINE_BREAK, _ref3) >= 0)) {
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tag = 'LEADING_WHEN';
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} else if (tag === 'FOR') {
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this.seenFor = true;
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} else if (tag === 'UNLESS') {
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tag = 'IF';
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} else if (__indexOf.call(UNARY, tag) >= 0) {
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tag = 'UNARY';
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} else if (__indexOf.call(RELATION, tag) >= 0) {
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if (tag !== 'INSTANCEOF' && this.seenFor) {
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tag = 'FOR' + tag;
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this.seenFor = false;
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} else {
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tag = 'RELATION';
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if (this.value() === '!') {
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poppedToken = this.tokens.pop();
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id = '!' + id;
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}
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}
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}
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}
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if (__indexOf.call(JS_FORBIDDEN, id) >= 0) {
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if (forcedIdentifier) {
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tag = 'IDENTIFIER';
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id = new String(id);
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id.reserved = true;
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} else if (__indexOf.call(RESERVED, id) >= 0) {
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this.error("reserved word \"" + id + "\"");
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}
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}
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if (!forcedIdentifier) {
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if (__indexOf.call(COFFEE_ALIASES, id) >= 0) {
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id = COFFEE_ALIAS_MAP[id];
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}
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tag = (function() {
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switch (id) {
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case '!':
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return 'UNARY';
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case '==':
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case '!=':
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return 'COMPARE';
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case '&&':
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case '||':
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return 'LOGIC';
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case 'true':
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case 'false':
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return 'BOOL';
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case 'break':
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case 'continue':
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return 'STATEMENT';
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default:
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return tag;
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}
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})();
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}
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tagToken = this.token(tag, id, 0, idLength);
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if (poppedToken) {
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_ref4 = [poppedToken[2].first_line, poppedToken[2].first_column], tagToken[2].first_line = _ref4[0], tagToken[2].first_column = _ref4[1];
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}
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if (colon) {
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colonOffset = input.lastIndexOf(':');
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this.token(':', ':', colonOffset, colon.length);
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}
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return input.length;
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};
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Lexer.prototype.numberToken = function() {
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var binaryLiteral, lexedLength, match, number, octalLiteral;
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if (!(match = NUMBER.exec(this.chunk))) {
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return 0;
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}
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number = match[0];
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if (/^0[BOX]/.test(number)) {
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this.error("radix prefix '" + number + "' must be lowercase");
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} else if (/E/.test(number) && !/^0x/.test(number)) {
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this.error("exponential notation '" + number + "' must be indicated with a lowercase 'e'");
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} else if (/^0\d*[89]/.test(number)) {
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this.error("decimal literal '" + number + "' must not be prefixed with '0'");
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} else if (/^0\d+/.test(number)) {
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this.error("octal literal '" + number + "' must be prefixed with '0o'");
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}
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lexedLength = number.length;
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if (octalLiteral = /^0o([0-7]+)/.exec(number)) {
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number = '0x' + (parseInt(octalLiteral[1], 8)).toString(16);
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}
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if (binaryLiteral = /^0b([01]+)/.exec(number)) {
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number = '0x' + (parseInt(binaryLiteral[1], 2)).toString(16);
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}
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this.token('NUMBER', number, 0, lexedLength);
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return lexedLength;
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};
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Lexer.prototype.stringToken = function() {
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var match, octalEsc, string;
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switch (this.chunk.charAt(0)) {
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case "'":
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if (!(match = SIMPLESTR.exec(this.chunk))) {
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return 0;
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}
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string = match[0];
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this.token('STRING', string.replace(MULTILINER, '\\\n'), 0, string.length);
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break;
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case '"':
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if (!(string = this.balancedString(this.chunk, '"'))) {
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return 0;
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}
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if (0 < string.indexOf('#{', 1)) {
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this.interpolateString(string.slice(1, -1), {
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strOffset: 1,
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lexedLength: string.length
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});
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} else {
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this.token('STRING', this.escapeLines(string, 0, string.length));
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}
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break;
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default:
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return 0;
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}
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if (octalEsc = /^(?:\\.|[^\\])*\\(?:0[0-7]|[1-7])/.test(string)) {
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this.error("octal escape sequences " + string + " are not allowed");
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}
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return string.length;
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};
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Lexer.prototype.heredocToken = function() {
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var doc, heredoc, match, quote;
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if (!(match = HEREDOC.exec(this.chunk))) {
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return 0;
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}
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heredoc = match[0];
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quote = heredoc.charAt(0);
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doc = this.sanitizeHeredoc(match[2], {
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quote: quote,
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indent: null
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});
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if (quote === '"' && 0 <= doc.indexOf('#{')) {
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this.interpolateString(doc, {
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heredoc: true,
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strOffset: 3,
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lexedLength: heredoc.length
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});
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} else {
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this.token('STRING', this.makeString(doc, quote, true), 0, heredoc.length);
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}
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return heredoc.length;
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};
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Lexer.prototype.commentToken = function() {
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var comment, here, match;
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if (!(match = this.chunk.match(COMMENT))) {
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return 0;
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}
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comment = match[0], here = match[1];
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if (here) {
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this.token('HERECOMMENT', this.sanitizeHeredoc(here, {
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herecomment: true,
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indent: Array(this.indent + 1).join(' ')
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}), 0, comment.length);
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}
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return comment.length;
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};
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Lexer.prototype.jsToken = function() {
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var match, script;
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if (!(this.chunk.charAt(0) === '`' && (match = JSTOKEN.exec(this.chunk)))) {
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return 0;
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}
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this.token('JS', (script = match[0]).slice(1, -1), 0, script.length);
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return script.length;
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};
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Lexer.prototype.regexToken = function() {
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var flags, length, match, prev, regex, _ref2, _ref3;
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if (this.chunk.charAt(0) !== '/') {
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return 0;
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}
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if (match = HEREGEX.exec(this.chunk)) {
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length = this.heregexToken(match);
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return length;
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}
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prev = last(this.tokens);
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if (prev && (_ref2 = prev[0], __indexOf.call((prev.spaced ? NOT_REGEX : NOT_SPACED_REGEX), _ref2) >= 0)) {
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return 0;
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}
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if (!(match = REGEX.exec(this.chunk))) {
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return 0;
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}
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_ref3 = match, match = _ref3[0], regex = _ref3[1], flags = _ref3[2];
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if (regex.slice(0, 2) === '/*') {
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this.error('regular expressions cannot begin with `*`');
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}
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if (regex === '//') {
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regex = '/(?:)/';
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}
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this.token('REGEX', "" + regex + flags, 0, match.length);
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return match.length;
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};
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Lexer.prototype.heregexToken = function(match) {
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var body, flags, flagsOffset, heregex, plusToken, prev, re, tag, token, tokens, value, _i, _len, _ref2, _ref3, _ref4;
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heregex = match[0], body = match[1], flags = match[2];
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if (0 > body.indexOf('#{')) {
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re = body.replace(HEREGEX_OMIT, '').replace(/\//g, '\\/');
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if (re.match(/^\*/)) {
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this.error('regular expressions cannot begin with `*`');
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}
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this.token('REGEX', "/" + (re || '(?:)') + "/" + flags, 0, heregex.length);
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return heregex.length;
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}
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this.token('IDENTIFIER', 'RegExp', 0, 0);
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this.token('CALL_START', '(', 0, 0);
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tokens = [];
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_ref2 = this.interpolateString(body, {
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regex: true
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});
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for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
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token = _ref2[_i];
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tag = token[0], value = token[1];
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if (tag === 'TOKENS') {
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tokens.push.apply(tokens, value);
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} else if (tag === 'NEOSTRING') {
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if (!(value = value.replace(HEREGEX_OMIT, ''))) {
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continue;
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}
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value = value.replace(/\\/g, '\\\\');
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token[0] = 'STRING';
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token[1] = this.makeString(value, '"', true);
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tokens.push(token);
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} else {
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this.error("Unexpected " + tag);
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}
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prev = last(this.tokens);
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plusToken = ['+', '+'];
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plusToken[2] = prev[2];
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tokens.push(plusToken);
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}
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tokens.pop();
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if (((_ref3 = tokens[0]) != null ? _ref3[0] : void 0) !== 'STRING') {
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this.token('STRING', '""', 0, 0);
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this.token('+', '+', 0, 0);
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}
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(_ref4 = this.tokens).push.apply(_ref4, tokens);
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if (flags) {
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flagsOffset = heregex.lastIndexOf(flags);
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this.token(',', ',', flagsOffset, 0);
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this.token('STRING', '"' + flags + '"', flagsOffset, flags.length);
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}
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this.token(')', ')', heregex.length - 1, 0);
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return heregex.length;
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};
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Lexer.prototype.lineToken = function() {
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var diff, indent, match, noNewlines, size;
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if (!(match = MULTI_DENT.exec(this.chunk))) {
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return 0;
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}
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indent = match[0];
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this.seenFor = false;
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size = indent.length - 1 - indent.lastIndexOf('\n');
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noNewlines = this.unfinished();
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if (size - this.indebt === this.indent) {
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if (noNewlines) {
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this.suppressNewlines();
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} else {
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this.newlineToken(0);
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}
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return indent.length;
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}
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if (size > this.indent) {
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if (noNewlines) {
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this.indebt = size - this.indent;
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this.suppressNewlines();
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return indent.length;
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}
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diff = size - this.indent + this.outdebt;
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this.token('INDENT', diff, 0, indent.length);
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this.indents.push(diff);
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this.ends.push('OUTDENT');
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this.outdebt = this.indebt = 0;
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} else {
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this.indebt = 0;
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this.outdentToken(this.indent - size, noNewlines, indent.length);
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}
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this.indent = size;
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return indent.length;
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};
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Lexer.prototype.outdentToken = function(moveOut, noNewlines, outdentLength) {
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var dent, len;
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while (moveOut > 0) {
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len = this.indents.length - 1;
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if (this.indents[len] === void 0) {
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moveOut = 0;
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} else if (this.indents[len] === this.outdebt) {
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moveOut -= this.outdebt;
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this.outdebt = 0;
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} else if (this.indents[len] < this.outdebt) {
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this.outdebt -= this.indents[len];
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moveOut -= this.indents[len];
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} else {
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dent = this.indents.pop() + this.outdebt;
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moveOut -= dent;
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this.outdebt = 0;
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this.pair('OUTDENT');
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this.token('OUTDENT', dent, 0, outdentLength);
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}
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}
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if (dent) {
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this.outdebt -= moveOut;
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}
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while (this.value() === ';') {
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this.tokens.pop();
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}
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if (!(this.tag() === 'TERMINATOR' || noNewlines)) {
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this.token('TERMINATOR', '\n', outdentLength, 0);
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}
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return this;
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};
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Lexer.prototype.whitespaceToken = function() {
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var match, nline, prev;
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if (!((match = WHITESPACE.exec(this.chunk)) || (nline = this.chunk.charAt(0) === '\n'))) {
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return 0;
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}
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prev = last(this.tokens);
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if (prev) {
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prev[match ? 'spaced' : 'newLine'] = true;
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}
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if (match) {
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return match[0].length;
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} else {
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return 0;
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}
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};
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Lexer.prototype.newlineToken = function(offset) {
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while (this.value() === ';') {
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this.tokens.pop();
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}
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if (this.tag() !== 'TERMINATOR') {
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this.token('TERMINATOR', '\n', offset, 0);
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}
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return this;
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};
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Lexer.prototype.suppressNewlines = function() {
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if (this.value() === '\\') {
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this.tokens.pop();
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}
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return this;
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};
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Lexer.prototype.literalToken = function() {
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var match, prev, tag, value, _ref2, _ref3, _ref4, _ref5;
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if (match = OPERATOR.exec(this.chunk)) {
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value = match[0];
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if (CODE.test(value)) {
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this.tagParameters();
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}
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} else {
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value = this.chunk.charAt(0);
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}
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tag = value;
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prev = last(this.tokens);
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if (value === '=' && prev) {
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if (!prev[1].reserved && (_ref2 = prev[1], __indexOf.call(JS_FORBIDDEN, _ref2) >= 0)) {
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this.error("reserved word \"" + (this.value()) + "\" can't be assigned");
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}
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if ((_ref3 = prev[1]) === '||' || _ref3 === '&&') {
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prev[0] = 'COMPOUND_ASSIGN';
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prev[1] += '=';
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return value.length;
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}
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}
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if (value === ';') {
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this.seenFor = false;
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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, 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) {
|
|
this.token(')', ')', offsetInChunk + lexedLength, 0);
|
|
}
|
|
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;
|
|
offsetInChunk = offsetInChunk || 0;
|
|
if (length === void 0) {
|
|
length = value.length;
|
|
}
|
|
locationData = {};
|
|
_ref2 = this.getLineAndColumnFromChunk(offsetInChunk), locationData.first_line = _ref2[0], locationData.first_column = _ref2[1];
|
|
lastCharacter = length > 0 ? length - 1 : 0;
|
|
_ref3 = this.getLineAndColumnFromChunk(offsetInChunk + (length - 1)), 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 === '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) {
|
|
throw new CompilerError(message, this.chunkLine + 1, this.chunkColumn + 1);
|
|
};
|
|
|
|
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*#(?!##[^#]).*)+/;
|
|
|
|
LITERATE = /^([ ]{4}|\t)/;
|
|
|
|
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'];
|
|
|
|
}).call(this);
|