rivescript-contrib-coffeescript
Version:
CoffeeScript object macro handler for RiveScript
1,512 lines (1,420 loc) • 290 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.RSCoffeeScript = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*
rivescript-contrib-coffeescript - CoffeeScript object macro handler for RiveScript
This code is released under the MIT License.
See the "LICENSE" file for more information.
https://www.rivescript.com/
*/
"use strict";
var coffee = require("coffee-script");
/**
* CoffeeHandler (RiveScript master)
*
* CoffeeScript language support for RiveScript object macros.
*/
var CoffeeHandler = function(master) {
var self = this;
self._master = master;
self._objects = {};
/**
* void load (string name, string[] code)
*
* Called by the RiveScript instance to load CoffeeScript code.
*/
self.load = function(name, code) {
// Make this a dynamic CoffeeScript function.
var source;
try {
source = "this._objects[\"" + name + "\"] = function(rs, args) {\n"
+ coffee.compile(code.join("\n"), {bare: true})
+ "}\n";
}
catch (e) {
self._master.warn("Error constructing CoffeeScript source: " + e.message);
return;
}
try {
eval(source);
}
catch (e) {
self._master.warn("Error evaluating CoffeeScript object: " + e.message);
return;
}
};
/**
* string call (RiveScript rs, string name, string[] fields, scope)
*
* Called by the RiveScript instance to execute an object macro.
*/
self.call = function(rs, name, fields, scope) {
// Do we have it?
if (!self._objects[name]) {
return self._master.errors.objectNotFound;
}
// Call the dynamic method.
var func = self._objects[name];
var reply = "";
try {
reply = func.call(scope, rs, fields);
}
catch (e) {
reply = "[ERR: Error when executing CoffeeScript object: " + e.message + "]";
}
// Allow undefined responses.
if (reply === undefined) {
reply = "";
}
return reply;
}
}
module.exports = CoffeeHandler;
},{"coffee-script":2}],2:[function(require,module,exports){
(function (process,global){
// Generated by CoffeeScript 1.10.0
(function() {
var Lexer, SourceMap, base, compile, ext, formatSourcePosition, fs, getSourceMap, helpers, i, len, lexer, parser, path, ref, sourceMaps, vm, withPrettyErrors,
hasProp = {}.hasOwnProperty,
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; };
fs = require('fs');
vm = require('vm');
path = require('path');
Lexer = require('./lexer').Lexer;
parser = require('./parser').parser;
helpers = require('./helpers');
SourceMap = require('./sourcemap');
exports.VERSION = '1.10.0';
exports.FILE_EXTENSIONS = ['.coffee', '.litcoffee', '.coffee.md'];
exports.helpers = helpers;
withPrettyErrors = function(fn) {
return function(code, options) {
var err, error;
if (options == null) {
options = {};
}
try {
return fn.call(this, code, options);
} catch (error) {
err = error;
if (typeof code !== 'string') {
throw err;
}
throw helpers.updateSyntaxError(err, code, options.filename);
}
};
};
exports.compile = compile = withPrettyErrors(function(code, options) {
var answer, currentColumn, currentLine, extend, fragment, fragments, header, i, js, len, map, merge, newLines, token, tokens;
merge = helpers.merge, extend = helpers.extend;
options = extend({}, options);
if (options.sourceMap) {
map = new SourceMap;
}
tokens = lexer.tokenize(code, options);
options.referencedVars = (function() {
var i, len, results;
results = [];
for (i = 0, len = tokens.length; i < len; i++) {
token = tokens[i];
if (token.variable) {
results.push(token[1]);
}
}
return results;
})();
fragments = parser.parse(tokens).compileToFragments(options);
currentLine = 0;
if (options.header) {
currentLine += 1;
}
if (options.shiftLine) {
currentLine += 1;
}
currentColumn = 0;
js = "";
for (i = 0, len = fragments.length; i < len; i++) {
fragment = fragments[i];
if (options.sourceMap) {
if (fragment.locationData && !/^[;\s]*$/.test(fragment.code)) {
map.add([fragment.locationData.first_line, fragment.locationData.first_column], [currentLine, currentColumn], {
noReplace: true
});
}
newLines = helpers.count(fragment.code, "\n");
currentLine += newLines;
if (newLines) {
currentColumn = fragment.code.length - (fragment.code.lastIndexOf("\n") + 1);
} else {
currentColumn += fragment.code.length;
}
}
js += fragment.code;
}
if (options.header) {
header = "Generated by CoffeeScript " + this.VERSION;
js = "// " + header + "\n" + js;
}
if (options.sourceMap) {
answer = {
js: js
};
answer.sourceMap = map;
answer.v3SourceMap = map.generate(options, code);
return answer;
} else {
return js;
}
});
exports.tokens = withPrettyErrors(function(code, options) {
return lexer.tokenize(code, options);
});
exports.nodes = withPrettyErrors(function(source, options) {
if (typeof source === 'string') {
return parser.parse(lexer.tokenize(source, options));
} else {
return parser.parse(source);
}
});
exports.run = function(code, options) {
var answer, dir, mainModule, ref;
if (options == null) {
options = {};
}
mainModule = require.main;
mainModule.filename = process.argv[1] = options.filename ? fs.realpathSync(options.filename) : '.';
mainModule.moduleCache && (mainModule.moduleCache = {});
dir = options.filename ? path.dirname(fs.realpathSync(options.filename)) : fs.realpathSync('.');
mainModule.paths = require('module')._nodeModulePaths(dir);
if (!helpers.isCoffee(mainModule.filename) || require.extensions) {
answer = compile(code, options);
code = (ref = answer.js) != null ? ref : answer;
}
return mainModule._compile(code, mainModule.filename);
};
exports["eval"] = function(code, options) {
var Module, _module, _require, createContext, i, isContext, js, k, len, o, r, ref, ref1, ref2, ref3, sandbox, v;
if (options == null) {
options = {};
}
if (!(code = code.trim())) {
return;
}
createContext = (ref = vm.Script.createContext) != null ? ref : vm.createContext;
isContext = (ref1 = vm.isContext) != null ? ref1 : function(ctx) {
return options.sandbox instanceof createContext().constructor;
};
if (createContext) {
if (options.sandbox != null) {
if (isContext(options.sandbox)) {
sandbox = options.sandbox;
} else {
sandbox = createContext();
ref2 = options.sandbox;
for (k in ref2) {
if (!hasProp.call(ref2, k)) continue;
v = ref2[k];
sandbox[k] = v;
}
}
sandbox.global = sandbox.root = sandbox.GLOBAL = sandbox;
} else {
sandbox = global;
}
sandbox.__filename = options.filename || 'eval';
sandbox.__dirname = path.dirname(sandbox.__filename);
if (!(sandbox !== global || sandbox.module || sandbox.require)) {
Module = require('module');
sandbox.module = _module = new Module(options.modulename || 'eval');
sandbox.require = _require = function(path) {
return Module._load(path, _module, true);
};
_module.filename = sandbox.__filename;
ref3 = Object.getOwnPropertyNames(require);
for (i = 0, len = ref3.length; i < len; i++) {
r = ref3[i];
if (r !== 'paths' && r !== 'arguments' && r !== 'caller') {
_require[r] = require[r];
}
}
_require.paths = _module.paths = Module._nodeModulePaths(process.cwd());
_require.resolve = function(request) {
return Module._resolveFilename(request, _module);
};
}
}
o = {};
for (k in options) {
if (!hasProp.call(options, k)) continue;
v = options[k];
o[k] = v;
}
o.bare = true;
js = compile(code, o);
if (sandbox === global) {
return vm.runInThisContext(js);
} else {
return vm.runInContext(js, sandbox);
}
};
exports.register = function() {
return require('./register');
};
if (require.extensions) {
ref = this.FILE_EXTENSIONS;
for (i = 0, len = ref.length; i < len; i++) {
ext = ref[i];
if ((base = require.extensions)[ext] == null) {
base[ext] = function() {
throw new Error("Use CoffeeScript.register() or require the coffee-script/register module to require " + ext + " files.");
};
}
}
}
exports._compileFile = function(filename, sourceMap) {
var answer, err, error, raw, stripped;
if (sourceMap == null) {
sourceMap = false;
}
raw = fs.readFileSync(filename, 'utf8');
stripped = raw.charCodeAt(0) === 0xFEFF ? raw.substring(1) : raw;
try {
answer = compile(stripped, {
filename: filename,
sourceMap: sourceMap,
literate: helpers.isLiterate(filename)
});
} catch (error) {
err = error;
throw helpers.updateSyntaxError(err, stripped, filename);
}
return answer;
};
lexer = new Lexer;
parser.lexer = {
lex: function() {
var tag, token;
token = parser.tokens[this.pos++];
if (token) {
tag = token[0], this.yytext = token[1], this.yylloc = token[2];
parser.errorToken = token.origin || token;
this.yylineno = this.yylloc.first_line;
} else {
tag = '';
}
return tag;
},
setInput: function(tokens) {
parser.tokens = tokens;
return this.pos = 0;
},
upcomingInput: function() {
return "";
}
};
parser.yy = require('./nodes');
parser.yy.parseError = function(message, arg) {
var errorLoc, errorTag, errorText, errorToken, token, tokens;
token = arg.token;
errorToken = parser.errorToken, tokens = parser.tokens;
errorTag = errorToken[0], errorText = errorToken[1], errorLoc = errorToken[2];
errorText = (function() {
switch (false) {
case errorToken !== tokens[tokens.length - 1]:
return 'end of input';
case errorTag !== 'INDENT' && errorTag !== 'OUTDENT':
return 'indentation';
case errorTag !== 'IDENTIFIER' && errorTag !== 'NUMBER' && errorTag !== 'STRING' && errorTag !== 'STRING_START' && errorTag !== 'REGEX' && errorTag !== 'REGEX_START':
return errorTag.replace(/_START$/, '').toLowerCase();
default:
return helpers.nameWhitespaceCharacter(errorText);
}
})();
return helpers.throwSyntaxError("unexpected " + errorText, errorLoc);
};
formatSourcePosition = function(frame, getSourceMapping) {
var as, column, fileLocation, fileName, functionName, isConstructor, isMethodCall, line, methodName, source, tp, typeName;
fileName = void 0;
fileLocation = '';
if (frame.isNative()) {
fileLocation = "native";
} else {
if (frame.isEval()) {
fileName = frame.getScriptNameOrSourceURL();
if (!fileName) {
fileLocation = (frame.getEvalOrigin()) + ", ";
}
} else {
fileName = frame.getFileName();
}
fileName || (fileName = "<anonymous>");
line = frame.getLineNumber();
column = frame.getColumnNumber();
source = getSourceMapping(fileName, line, column);
fileLocation = source ? fileName + ":" + source[0] + ":" + source[1] : fileName + ":" + line + ":" + column;
}
functionName = frame.getFunctionName();
isConstructor = frame.isConstructor();
isMethodCall = !(frame.isToplevel() || isConstructor);
if (isMethodCall) {
methodName = frame.getMethodName();
typeName = frame.getTypeName();
if (functionName) {
tp = as = '';
if (typeName && functionName.indexOf(typeName)) {
tp = typeName + ".";
}
if (methodName && functionName.indexOf("." + methodName) !== functionName.length - methodName.length - 1) {
as = " [as " + methodName + "]";
}
return "" + tp + functionName + as + " (" + fileLocation + ")";
} else {
return typeName + "." + (methodName || '<anonymous>') + " (" + fileLocation + ")";
}
} else if (isConstructor) {
return "new " + (functionName || '<anonymous>') + " (" + fileLocation + ")";
} else if (functionName) {
return functionName + " (" + fileLocation + ")";
} else {
return fileLocation;
}
};
sourceMaps = {};
getSourceMap = function(filename) {
var answer, ref1;
if (sourceMaps[filename]) {
return sourceMaps[filename];
}
if (ref1 = path != null ? path.extname(filename) : void 0, indexOf.call(exports.FILE_EXTENSIONS, ref1) < 0) {
return;
}
answer = exports._compileFile(filename, true);
return sourceMaps[filename] = answer.sourceMap;
};
Error.prepareStackTrace = function(err, stack) {
var frame, frames, getSourceMapping;
getSourceMapping = function(filename, line, column) {
var answer, sourceMap;
sourceMap = getSourceMap(filename);
if (sourceMap) {
answer = sourceMap.sourceLocation([line - 1, column - 1]);
}
if (answer) {
return [answer[0] + 1, answer[1] + 1];
} else {
return null;
}
};
frames = (function() {
var j, len1, results;
results = [];
for (j = 0, len1 = stack.length; j < len1; j++) {
frame = stack[j];
if (frame.getFunction() === exports.run) {
break;
}
results.push(" at " + (formatSourcePosition(frame, getSourceMapping)));
}
return results;
})();
return (err.toString()) + "\n" + (frames.join('\n')) + "\n";
};
}).call(this);
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./helpers":3,"./lexer":4,"./nodes":5,"./parser":6,"./register":7,"./sourcemap":10,"_process":13,"fs":11,"module":11,"path":12,"vm":14}],3:[function(require,module,exports){
(function (process){
// Generated by CoffeeScript 1.10.0
(function() {
var buildLocationData, extend, flatten, ref, repeat, syntaxErrorToString;
exports.starts = function(string, literal, start) {
return literal === string.substr(start, literal.length);
};
exports.ends = function(string, literal, back) {
var len;
len = literal.length;
return literal === string.substr(string.length - len - (back || 0), len);
};
exports.repeat = repeat = function(str, n) {
var res;
res = '';
while (n > 0) {
if (n & 1) {
res += str;
}
n >>>= 1;
str += str;
}
return res;
};
exports.compact = function(array) {
var i, item, len1, results;
results = [];
for (i = 0, len1 = array.length; i < len1; i++) {
item = array[i];
if (item) {
results.push(item);
}
}
return results;
};
exports.count = function(string, substr) {
var num, pos;
num = pos = 0;
if (!substr.length) {
return 1 / 0;
}
while (pos = 1 + string.indexOf(substr, pos)) {
num++;
}
return num;
};
exports.merge = function(options, overrides) {
return extend(extend({}, options), overrides);
};
extend = exports.extend = function(object, properties) {
var key, val;
for (key in properties) {
val = properties[key];
object[key] = val;
}
return object;
};
exports.flatten = flatten = function(array) {
var element, flattened, i, len1;
flattened = [];
for (i = 0, len1 = array.length; i < len1; i++) {
element = array[i];
if ('[object Array]' === Object.prototype.toString.call(element)) {
flattened = flattened.concat(flatten(element));
} else {
flattened.push(element);
}
}
return flattened;
};
exports.del = function(obj, key) {
var val;
val = obj[key];
delete obj[key];
return val;
};
exports.some = (ref = Array.prototype.some) != null ? ref : function(fn) {
var e, i, len1;
for (i = 0, len1 = this.length; i < len1; i++) {
e = this[i];
if (fn(e)) {
return true;
}
}
return false;
};
exports.invertLiterate = function(code) {
var line, lines, maybe_code;
maybe_code = true;
lines = (function() {
var i, len1, ref1, results;
ref1 = code.split('\n');
results = [];
for (i = 0, len1 = ref1.length; i < len1; i++) {
line = ref1[i];
if (maybe_code && /^([ ]{4}|[ ]{0,3}\t)/.test(line)) {
results.push(line);
} else if (maybe_code = /^\s*$/.test(line)) {
results.push(line);
} else {
results.push('# ' + line);
}
}
return results;
})();
return lines.join('\n');
};
buildLocationData = function(first, last) {
if (!last) {
return first;
} else {
return {
first_line: first.first_line,
first_column: first.first_column,
last_line: last.last_line,
last_column: last.last_column
};
}
};
exports.addLocationDataFn = function(first, last) {
return function(obj) {
if (((typeof obj) === 'object') && (!!obj['updateLocationDataIfMissing'])) {
obj.updateLocationDataIfMissing(buildLocationData(first, last));
}
return obj;
};
};
exports.locationDataToString = function(obj) {
var locationData;
if (("2" in obj) && ("first_line" in obj[2])) {
locationData = obj[2];
} else if ("first_line" in obj) {
locationData = obj;
}
if (locationData) {
return ((locationData.first_line + 1) + ":" + (locationData.first_column + 1) + "-") + ((locationData.last_line + 1) + ":" + (locationData.last_column + 1));
} else {
return "No location data";
}
};
exports.baseFileName = function(file, stripExt, useWinPathSep) {
var parts, pathSep;
if (stripExt == null) {
stripExt = false;
}
if (useWinPathSep == null) {
useWinPathSep = false;
}
pathSep = useWinPathSep ? /\\|\// : /\//;
parts = file.split(pathSep);
file = parts[parts.length - 1];
if (!(stripExt && file.indexOf('.') >= 0)) {
return file;
}
parts = file.split('.');
parts.pop();
if (parts[parts.length - 1] === 'coffee' && parts.length > 1) {
parts.pop();
}
return parts.join('.');
};
exports.isCoffee = function(file) {
return /\.((lit)?coffee|coffee\.md)$/.test(file);
};
exports.isLiterate = function(file) {
return /\.(litcoffee|coffee\.md)$/.test(file);
};
exports.throwSyntaxError = function(message, location) {
var error;
error = new SyntaxError(message);
error.location = location;
error.toString = syntaxErrorToString;
error.stack = error.toString();
throw error;
};
exports.updateSyntaxError = function(error, code, filename) {
if (error.toString === syntaxErrorToString) {
error.code || (error.code = code);
error.filename || (error.filename = filename);
error.stack = error.toString();
}
return error;
};
syntaxErrorToString = function() {
var codeLine, colorize, colorsEnabled, end, filename, first_column, first_line, last_column, last_line, marker, ref1, ref2, ref3, ref4, start;
if (!(this.code && this.location)) {
return Error.prototype.toString.call(this);
}
ref1 = this.location, first_line = ref1.first_line, first_column = ref1.first_column, last_line = ref1.last_line, last_column = ref1.last_column;
if (last_line == null) {
last_line = first_line;
}
if (last_column == null) {
last_column = first_column;
}
filename = this.filename || '[stdin]';
codeLine = this.code.split('\n')[first_line];
start = first_column;
end = first_line === last_line ? last_column + 1 : codeLine.length;
marker = codeLine.slice(0, start).replace(/[^\s]/g, ' ') + repeat('^', end - start);
if (typeof process !== "undefined" && process !== null) {
colorsEnabled = ((ref2 = process.stdout) != null ? ref2.isTTY : void 0) && !((ref3 = process.env) != null ? ref3.NODE_DISABLE_COLORS : void 0);
}
if ((ref4 = this.colorful) != null ? ref4 : colorsEnabled) {
colorize = function(str) {
return "\x1B[1;31m" + str + "\x1B[0m";
};
codeLine = codeLine.slice(0, start) + colorize(codeLine.slice(start, end)) + codeLine.slice(end);
marker = colorize(marker);
}
return filename + ":" + (first_line + 1) + ":" + (first_column + 1) + ": error: " + this.message + "\n" + codeLine + "\n" + marker;
};
exports.nameWhitespaceCharacter = function(string) {
switch (string) {
case ' ':
return 'space';
case '\n':
return 'newline';
case '\r':
return 'carriage return';
case '\t':
return 'tab';
default:
return string;
}
};
}).call(this);
}).call(this,require('_process'))
},{"_process":13}],4:[function(require,module,exports){
// 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 === '*