/*
JessieCode Interpreter and Compiler
Copyright 2011-2026
Michael Gerhaeuser,
Alfred Wassermann
JessieCode is free software dual licensed under the GNU LGPL or MIT License.
You can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version
OR
* MIT License: https://github.com/jsxgraph/jsxgraph/blob/master/LICENSE.MIT
JessieCode is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License and
the MIT License along with JessieCode. If not, see <https://www.gnu.org/licenses/>
and <https://opensource.org/licenses/MIT/>.
*/
/*global JXG: true, define: true, window: true, console: true, self: true, document: true, parser: true*/
/*jslint nomen: true, plusplus: true*/
/**
* @fileoverview JessieCode is a scripting language designed to provide a
* simple scripting language to build constructions
* with JSXGraph. It is similar to JavaScript, but prevents access to the DOM.
* Hence, it can be used in community driven math portals which want to use
* JSXGraph to display interactive math graphics.
*/
import JXG from "../jxg.js";
import Const from "../base/constants.js";
import Text from "../base/text.js";
import Mat from "../math/math.js";
import Interval from "../math/ia.js";
import Geometry from "../math/geometry.js";
import Statistics from "../math/statistics.js";
import Type from "../utils/type.js";
import Env from "../utils/env.js";
// IE 6-8 compatibility
if (!Object.create) {
Object.create = function (o, properties) {
if (typeof o !== 'object' && typeof o !== 'function') throw new TypeError('Object prototype may only be an Object: ' + o);
else if (o === null) throw new Error("This browser's implementation of Object.create is a shim and doesn't support 'null' as the first argument.");
if (typeof properties != 'undefined') throw new Error("This browser's implementation of Object.create is a shim and doesn't support a second argument.");
function F() { }
F.prototype = o;
return new F();
};
}
var priv = {
modules: {
'math': Mat,
'math/geometry': Geometry,
'math/statistics': Statistics,
'math/numerics': Mat.Numerics
}
};
/**
* @class A JessieCode object provides an interface to the parser and stores all variables and
* objects used within a JessieCode script.
* The optional argument `code` is interpreted after initializing.
* To evaluate more code after initializing a JessieCode instance
* please use {@link JXG.JessieCode#parse}. For code snippets like single expressions use {@link JXG.JessieCode#snippet}.
* @constructor
* @param {String} [code] Code to parse.
* @param {Boolean} [geonext=false] Geonext compatibility mode.
*
* @see {@link https://github.com/jsxgraph/JessieCode}
*/
JXG.JessieCode = function (code, geonext) {
// Control structures
/**
* The global scope.
* @type Object
*/
this.scope = {
id: 0,
hasChild: true,
args: [],
locals: {},
context: null,
previous: null
};
/**
* Keeps track of all possible scopes every required.
* @type Array
*/
this.scopes = [];
this.scopes.push(this.scope);
/**
* A stack to store debug information (like line and column where it was defined) of a parameter
* @type Array
* @private
*/
this.dpstack = [[]];
/**
* Determines the parameter stack scope.
* @type Number
* @private
*/
this.pscope = 0;
/**
* Used to store the property-value definition while parsing an object literal.
* @type Array
* @private
*/
this.propstack = [{}];
/**
* The current scope of the object literal stack {@link JXG.JessieCode#propstack}.
* @type Number
* @private
*/
this.propscope = 0;
/**
* Store the left hand side of an assignment. If an element is constructed and no attributes are given, this is
* used as the element's name.
* @type Array
* @private
*/
this.lhs = [];
/**
* lhs flag, used by JXG.JessieCode#replaceNames
* @type Boolean
* @default false
*/
this.isLHS = false;
/**
* The id of an HTML node in which innerText all warnings are stored (if no `console` object is available).
* @type String
* @default 'jcwarn'
*/
this.warnLog = 'jcwarn';
/**
* Store $log messages in case there's no console.
* @type Array
*/
this.$log = [];
/**
* Built-in functions and constants
* @type Object
*/
this.builtIn = this.defineBuiltIn();
/**
* List of all possible operands in JessieCode (except of JSXGraph objects).
* @type Object
*/
this.operands = this.getPossibleOperands();
/**
* The board which currently is used to create and look up elements.
* @type JXG.Board
*/
this.board = null;
/**
* Force slider names to return value instead of node
* @type Boolean
*/
this.forceValueCall = false;
/**
* Keep track of which element is created in which line.
* @type Object
*/
this.lineToElement = {};
this.parCurLine = 1;
this.parCurColumn = 0;
this.line = 1;
this.col = 1;
if (JXG.CA) {
// Old simplifier
this.CA = new JXG.CA(this.node, this.createNode, this);
}
if (JXG.CAS) {
// New simplifier
this.CAS = new JXG.CAS(this.node, this.createNode, this);
}
this.code = '';
if (typeof code === 'string') {
this.parse(code, geonext);
}
};
JXG.extend(JXG.JessieCode.prototype, /** @lends JXG.JessieCode.prototype */ {
/**
* Create a new parse tree node.
* @param {String} type Type of node, e.g. node_op, node_var, or node_const
* @param value The nodes value, e.g. a variables value or a functions body.
* @param {Array} children Arbitrary number of child nodes.
*/
node: function (type, value, children) {
return {
type: type,
value: value,
children: children
};
},
/**
* Create a new parse tree node. Basically the same as node(), but this builds
* the children part out of an arbitrary number of parameters, instead of one
* array parameter.
* @param {String} type Type of node, e.g. node_op, node_var, or node_const
* @param value The nodes value, e.g. a variables value or a functions body.
* @param children Arbitrary number of parameters; define the child nodes.
*/
createNode: function (type, value, children) {
var n = this.node(type, value, []),
i;
for (i = 2; i < arguments.length; i++) {
n.children.push(arguments[i]);
}
if (n.type === 'node_const' && Type.isNumber(n.value)) {
n.isMath = true;
}
n.line = this.parCurLine;
n.col = this.parCurColumn;
return n;
},
/**
* Create a new scope.
* @param {Array} args
* @returns {Object}
*/
pushScope: function (args) {
var scope = {
args: args,
locals: {},
context: null,
previous: this.scope
};
this.scope.hasChild = true;
this.scope = scope;
scope.id = this.scopes.push(scope) - 1;
return scope;
},
/**
* Remove the current scope and reinstate the previous scope
* @returns {Object}
*/
popScope: function () {
var s = this.scope.previous;
// make sure the global scope is not lost
this.scope = (s !== null) ? s : this.scope;
return this.scope;
},
/**
* Looks up an {@link JXG.GeometryElement} by its id.
* @param {String} id
* @returns {JXG.GeometryElement}
*/
getElementById: function (id) {
return this.board.objects[id];
},
log: function () {
this.$log.push(arguments);
if (typeof console === 'object' && console.log) {
console.log.apply(console, arguments);
}
},
/**
* Returns a element creator function which takes two parameters: the parents array and the attributes object.
* @param {String} vname The element type, e.g. 'point', 'line', 'midpoint'
* @returns {function}
*/
creator: (function () {
// stores the already defined creators
var _ccache = {}, r;
r = function (vname) {
var f;
// _ccache is global, i.e. it is the same for ALL JessieCode instances.
// That's why we need the board id here
if (typeof _ccache[this.board.id + vname] === 'function') {
f = _ccache[this.board.id + vname];
} else {
f = (function (that) {
return function (parameters, attributes) {
var attr;
if (Type.exists(attributes)) {
attr = attributes;
} else {
attr = {};
}
if (attr.name === undefined && attr.id === undefined) {
attr.name = ((that.lhs[that.scope.id] !== 0) ? that.lhs[that.scope.id] : '');
}
return that.board.create(vname, parameters, attr);
};
}(this));
f.creator = true;
_ccache[this.board.id + vname] = f;
}
return f;
};
r.clearCache = function () {
_ccache = {};
};
return r;
}()),
/**
* Assigns a value to a variable in the current scope.
* @param {String} vname Variable name
* @param value Anything
* @see JXG.JessieCode#sstack
* @see JXG.JessieCode#scope
*/
letvar: function (vname, value) {
if (this.builtIn[vname]) {
this._warn('"' + vname + '" is a predefined value.');
}
this.scope.locals[vname] = value;
},
/**
* Checks if the given variable name can be found in the current scope chain.
* @param {String} vname
* @returns {Object} A reference to the scope object the variable can be found in or null if it can't be found.
*/
isLocalVariable: function (vname) {
var s = this.scope;
while (s !== null) {
if (Type.exists(s.locals[vname])) {
return s;
}
s = s.previous;
}
return null;
},
/**
* Checks if the given variable name is a parameter in any scope from the current to the global scope.
* @param {String} vname
* @returns {Object} A reference to the scope object that contains the variable in its arg list.
*/
isParameter: function (vname) {
var s = this.scope;
while (s !== null) {
if (Type.indexOf(s.args, vname) > -1) {
return s;
}
s = s.previous;
}
return null;
},
/**
* Checks if the given variable name is a valid creator method.
* @param {String} vname
* @returns {Boolean}
*/
isCreator: function (vname) {
// check for an element with this name
return !!JXG.elements[vname];
},
/**
* Checks if the given variable identifier is a valid member of the JavaScript Math Object.
* @param {String} vname
* @returns {Boolean}
*/
isMathMethod: function (vname) {
return vname !== 'E' && !!Math[vname];
},
/**
* Returns true if the given identifier is a builtIn variable/function.
* @param {String} vname
* @returns {Boolean}
*/
isBuiltIn: function (vname) {
return !!this.builtIn[vname];
},
/**
* Looks up the value of the given variable. We use a simple type inspection.
*
* @param {String} vname Name of the variable
* @param {Boolean} [local=false] Only look up the internal symbol table and don't look for
* the `vname` in Math or the element list.
* @param {Boolean} [isFunctionName=false] Lookup function of type builtIn, Math.*, creator.
*
* @see JXG.JessieCode#resolveType
*/
getvar: function (vname, local, isFunctionName) {
var s;
local = Type.def(local, false);
// Local scope has always precedence
s = this.isLocalVariable(vname);
if (s !== null) {
return s.locals[vname];
}
// Handle the - so far only - few constants by hard coding them.
if (vname === '$board' || vname === 'EULER' || vname === 'PI') {
return this.builtIn[vname];
}
if (isFunctionName) {
if (this.isBuiltIn(vname)) {
return this.builtIn[vname];
}
if (this.isMathMethod(vname)) {
return Math[vname];
}
// check for an element with this name
if (this.isCreator(vname)) {
return this.creator(vname);
}
}
if (!local) {
s = this.board.select(vname);
if (s !== vname) {
return s;
}
}
},
/**
* Look up the value of a local variable.
* @param {string} vname
* @returns {*}
*/
resolve: function (vname) {
var s = this.scope;
while (s !== null) {
if (Type.exists(s.locals[vname])) {
return s.locals[vname];
}
s = s.previous;
}
},
/**
* TODO this needs to be called from JS and should not generate JS code
* Looks up a variable identifier in various tables and generates JavaScript code that could be eval'd to get the value.
* @param {String} vname Identifier
* @param {Boolean} [local=false] Don't resolve ids and names of elements
* @param {Boolean} [withProps=false]
*/
getvarJS: function (vname, local, withProps) {
var s, r = '', re;
local = Type.def(local, false);
withProps = Type.def(withProps, false);
s = this.isParameter(vname);
if (s !== null) {
return vname;
}
s = this.isLocalVariable(vname);
if (s !== null && !withProps) {
return '$jc$.resolve(\'' + vname + '\')';
}
// check for an element with this name
if (this.isCreator(vname)) {
return '(function () { var a = Array.prototype.slice.call(arguments, 0), props = ' + (withProps ? 'a.pop()' : '{}') + '; return $jc$.board.create.apply($jc$.board, [\'' + vname + '\'].concat([a, props])); })';
}
if (withProps) {
this._error('Syntax error (attribute values are allowed with element creators only)');
}
if (this.isBuiltIn(vname)) {
// If src does not exist, it is a number. In that case, just return the value.
r = this.builtIn[vname].src || this.builtIn[vname];
// Get the "real" name of the function
if (Type.isNumber(r)) {
return r;
}
// Search a JSXGraph object in board
if (r.match(/board\.select/)) {
return r;
}
/* eslint-disable no-useless-escape */
vname = r.split('.').pop();
if (Type.exists(this.board.mathLib)) {
// Handle builtin case: ln(x) -> Math.log
re = new RegExp('^Math\.' + vname);
if (re.exec(r) !== null) {
return r.replace(re, '$jc$.board.mathLib.' + vname);
}
}
if (Type.exists(this.board.mathLibJXG)) {
// Handle builtin case: factorial(x) -> JXG.Math.factorial
re = new RegExp('^JXG\.Math\.');
if (re.exec(r) !== null) {
return r.replace(re, '$jc$.board.mathLibJXG.');
}
return r;
}
/* eslint-enable no-useless-escape */
return r;
// return this.builtIn[vname].src || this.builtIn[vname];
}
if (this.isMathMethod(vname)) {
return '$jc$.board.mathLib.' + vname;
// return 'Math.' + vname;
}
// if (!local) {
// if (Type.isId(this.board, vname)) {
// r = '$jc$.board.objects[\'' + vname + '\']';
// } else if (Type.isName(this.board, vname)) {
// r = '$jc$.board.elementsByName[\'' + vname + '\']';
// } else if (Type.isGroup(this.board, vname)) {
// r = '$jc$.board.groups[\'' + vname + '\']';
// }
// return r;
// }
if (!local) {
if (Type.isId(this.board, vname)) {
r = '$jc$.board.objects[\'' + vname + '\']';
if (this.board.objects[vname].elType === 'slider') {
r += '.Value()';
}
} else if (Type.isName(this.board, vname)) {
r = '$jc$.board.elementsByName[\'' + vname + '\']';
if (this.board.elementsByName[vname].elType === 'slider') {
r += '.Value()';
}
} else if (Type.isGroup(this.board, vname)) {
r = '$jc$.board.groups[\'' + vname + '\']';
}
return r;
}
return '';
},
/**
* Adds the property `isMap` to a function and sets it to true.
* @param {function} f
* @returns {function}
*/
makeMap: function (f) {
f.isMap = true;
return f;
},
functionCodeJS: function (node) {
var p = node.children[0].join(', '),
bo = '',
bc = '';
if (node.value === 'op_map') {
bo = '{ return ';
bc = ' }';
}
return 'function (' + p + ') {\n' +
'var $oldscope$ = $jc$.scope;\n' +
'$jc$.scope = $jc$.scopes[' + this.scope.id + '];\n' +
'var r = (function () ' + bo + this.compile(node.children[1], true) + bc + ')();\n' +
'$jc$.scope = $oldscope$;\n' +
'return r;\n' +
'}';
},
/**
* Converts a node type `node_op` and value `op_map` or `op_function` into a executable
* function. Does a simple type inspection.
* @param {Object} node
* @returns {function}
* @see JXG.JessieCode#resolveType
*/
defineFunction: function (node) {
var fun, i, that = this,
list = node.children[0],
scope = this.pushScope(list);
if (this.board.options.jc.compile) {
this.isLHS = false;
// we currently need to put the parameters into the local scope
// until the compiled JS variable lookup code is fixed
for (i = 0; i < list.length; i++) {
scope.locals[list[i]] = list[i];
}
this.replaceNames(node.children[1]);
/** @ignore */
fun = (function (jc) {
var fun,
// str = 'var f = ' + $jc$.functionCodeJS(node) + '; f;';
str = 'var f = function($jc$) { return ' +
jc.functionCodeJS(node) +
'}; f;';
try {
// yeah, eval is evil, but we don't have much choice here.
// the str is well defined and there is no user input in it that we didn't check before
/*jslint evil:true*/
// fun = eval(str);
fun = eval(str)(jc);
/*jslint evil:false*/
scope.argtypes = [];
for (i = 0; i < list.length; i++) {
scope.argtypes.push(that.resolveType(list[i], node));
}
return fun;
} catch (e) {
// $jc$._warn('error compiling function\n\n' + str + '\n\n' + e.toString());
jc._warn("error compiling function\n\n" + str + "\n\n" + e.toString());
return function () { };
}
}(this));
// clean up scope
this.popScope();
} else {
/** @ignore */
fun = (function (_pstack, that, id) {
return function () {
var r, oldscope;
oldscope = that.scope;
that.scope = that.scopes[id];
for (r = 0; r < _pstack.length; r++) {
that.scope.locals[_pstack[r]] = arguments[r];
}
r = that.execute(node.children[1]);
that.scope = oldscope;
return r;
};
}(list, this, scope.id));
}
fun.node = node;
fun.scope = scope;
fun.toJS = fun.toString;
fun.toString = (function (_that) {
return function () {
return _that.compile(_that.replaceIDs(Type.deepCopy(node)));
};
}(this));
fun.deps = {};
this.collectDependencies(node.children[1], node.children[0], fun.deps);
return fun;
},
/**
* Merge all attribute values given with an element creator into one object.
* @param {Object} o An arbitrary number of objects
* @returns {Object} All given objects merged into one. If properties appear in more (case sensitive) than one
* object the last value is taken.
*/
mergeAttributes: function (o) {
var i, attr = {};
for (i = 0; i < arguments.length; i++) {
attr = Type.deepCopy(attr, arguments[i], true);
}
return attr;
},
/**
* Sets the property `what` of `o` to `value`
* @param {Point|Text} o
* @param {String} what
* @param value
*/
setProp: function (o, what, value) {
var par = {}, x, y;
if (o.elementClass === Const.OBJECT_CLASS_POINT && (what === 'X' || what === 'Y')) {
// set coords
what = what.toLowerCase();
// we have to deal with three cases here:
// o.isDraggable && typeof value === number:
// stay draggable, just set the new coords (e.g. via moveTo)
// o.isDraggable && typeof value === function:
// convert to !o.isDraggable, set the new coords via o.addConstraint()
// !o.isDraggable:
// stay !o.isDraggable, update the given coord by overwriting X/YEval
if (o.isDraggable && typeof value === 'number') {
x = (what === 'x') ? value : o.X();
y = (what === 'y') ? value : o.Y();
o.setPosition(Const.COORDS_BY_USER, [x, y]);
} else if (o.isDraggable && (typeof value === 'function' || typeof value === 'string')) {
x = (what === 'x') ? value : o.coords.usrCoords[1];
y = (what === 'y') ? value : o.coords.usrCoords[2];
o.addConstraint([x, y]);
} else if (!o.isDraggable) {
x = (what === 'x') ? value : o.XEval.origin;
y = (what === 'y') ? value : o.YEval.origin;
o.addConstraint([x, y]);
}
this.board.update();
} else if (o.elementClass === Const.OBJECT_CLASS_TEXT && (what === 'X' || what === 'Y')) {
if (typeof value === 'number') {
o[what] = function () { return value; };
} else if (typeof value === 'function') {
o.isDraggable = false;
o[what] = value;
} else if (typeof value === 'string') {
o.isDraggable = false;
o[what] = Type.createFunction(value, this.board);
o[what + 'jc'] = value;
}
o[what].origin = value;
this.board.update();
} else if (o.type && o.elementClass && o.visProp) {
if (Type.exists(o[o.methodMap[what]]) && typeof o[o.methodMap[what]] !== 'function') {
o[o.methodMap[what]] = value;
} else {
par[what] = value;
o.setAttribute(par);
}
} else {
o[what] = value;
}
},
/**
* Generic method to parse JessieCode.
* This consists of generating an AST with parser.parse,
* apply simplifying rules from CA and
* manipulate the AST according to the second parameter "cmd".
* @param {String} code JessieCode code to be parsed
* @param {String} cmd Type of manipulation to be done with AST
* @param {Object} [options] Object with attributes
*
* - {Boolean} [geonext=false] Geonext compatibility mode.
* - {Boolean} [dontstore=false] If false, the code string is stored in this.code, i.e. in the JessieCode object, e.g. in `board.jc`.
*
* @return {Object} Returns result of computation as directed in cmd.
*/
_genericParse: function (code, cmd, options) {
var i, setTextBackup, ast, result,
ccode = code.replace(/\r\n/g, '\n').split('\n'),
cleaned = [];
if (!Type.exists(options)) {
options = {};
}
if (!options.dontstore) {
this.code += code + '\n';
}
if (Text) {
setTextBackup = Text.prototype.setText;
Text.prototype.setText = Text.prototype.setTextJessieCode;
}
try {
for (i = 0; i < ccode.length; i++) {
if (!!options.geonext) {
ccode[i] = JXG.GeonextParser.geonext2JS(ccode[i], this.board);
}
cleaned.push(ccode[i]);
}
code = cleaned.join('\n');
ast = parser.parse(code);
if (this.CA) {
ast = this.CA.expandDerivatives(ast, null, ast);
ast = this.CA.removeTrivialNodes(ast);
}
if (this.CAS) {
// Search for expression of form `D(f, x)` and determine the
// the derivative symbolically.
ast = this.CAS.expandDerivatives(ast, null, ast);
// options.method = options.method || "strong";
// options.form = options.form || "fractions";
// options.steps = options.steps || [];
// options.iterations = options.iterations || 1000;
// ast = this.CAS._simplify_aux(ast, options);
}
switch (cmd) {
case 'parse':
result = this.execute(ast);
break;
case 'manipulate':
result = this.compile(ast);
break;
case 'simplify':
if (Type.exists(this.CAS)) {
options.method = options.method || "strong";
options.form = options.form || "fractions";
options.steps = options.steps || [];
options.iterations = options.iterations || 1000;
ast = this.CAS.simplify(ast, options);
result = this.CAS.compile(ast);
} else {
result = this.compile(ast);
}
break;
case 'format':
result = this.compile(ast, false, options);
break;
case 'getAst':
result = ast;
break;
default:
result = false;
}
} catch (e) { // catch is mandatory in old IEs
// console.log(e);
// We throw the error again,
// so the user can catch it.
throw e;
} finally {
// make sure the original text method is back in place
if (Text) {
Text.prototype.setText = setTextBackup;
}
}
return result;
},
/**
* Parses JessieCode.
* This consists of generating an AST with parser.parse, apply simplifying rules
* from CA and executing the ast by calling this.execute(ast).
*
* @param {String} code JessieCode code to be parsed
* @param {Boolean} [geonext=false] Geonext compatibility mode.
* @param {Boolean} [dontstore=false] If false, the code string is stored in this.code.
* @return {Object} Parse JessieCode code and execute it.
*/
parse: function (code, geonext, dontstore) {
return this._genericParse(code, 'parse', {geonext: geonext, dontstore: dontstore});
},
/**
* Manipulate JessieCode.
* This consists of generating an AST with parser.parse,
* apply simplifying rules from CA
* and compile the AST back to JessieCode.
*
* @param {String} code JessieCode code to be parsed
* @param {Boolean} [geonext=false] Geonext compatibility mode.
* @param {Boolean} [dontstore=false] If false, the code string is stored in this.code.
* @return {String} Simplified JessieCode code
*/
manipulate: function (code, geonext, dontstore) {
return this._genericParse(code, 'manipulate', {geonext: geonext, dontstore: dontstore});
},
/**
* Manipulate JessieCode.
* This consists of generating an AST with parser.parse,
* apply simplifying rules from CAS
* and compile the AST back to JessieCode with minimal number of parentheses.
*
* @param {String} code JessieCode code to be parsed
* @return {String} Simplified JessieCode code
*/
simplify: function (code) {
return this._genericParse(code, 'simplify');
},
/**
* Format JessieCode.
* This consists of generating an AST with parser.parse,
* and compile the AST back to JessieCode with options.
*
* @param {String} code JessieCode code to be parsed.
* @param {Object} options For possible options see param "format" in {@link JXG.JessieCode#compile}.
* @return {String} Manipulated JessieCode string. This is no necessarily a parsable JessieCode code!
*/
format: function (code, options) {
return this._genericParse(code, 'format', options);
},
/**
* Get abstract syntax tree (AST) from JessieCode code.
* This consists of generating an AST with parser.parse.
*
* @param {String} code
* @param {Boolean} [geonext=false] Geonext compatibility mode.
* @param {Boolean} [dontstore=false] If false, the code string is stored in this.code.
* @return {Node} AST
*/
getAST: function (code, geonext, dontstore) {
return this._genericParse(code, 'getAst', {geonext: geonext, dontstore: dontstore});
},
/**
* Parses a JessieCode snippet, e.g. "3+4", and wraps it into a function, if desired.
* @param {String} code A small snippet of JessieCode. Must not be an assignment.
* @param {Boolean} [funwrap=true] If true, the code is wrapped in a function.
* @param {String} [varname=''] Name of the parameter(s)
* @param {Boolean} [geonext=false] Geonext compatibility mode.
* @param {Boolean} [forceValueCall=true] Force evaluation of value method of sliders.
*/
snippet: function (code, funwrap, varname, geonext, forceValueCall) {
var c;
funwrap = Type.def(funwrap, true);
varname = Type.def(varname, '');
geonext = Type.def(geonext, false);
this.forceValueCall = Type.def(forceValueCall, true);
c = (funwrap ? ' function (' + varname + ') { return ' : '') +
code +
(funwrap ? '; }' : '') + ';';
return this.parse(c, geonext, true);
},
/**
* Traverses through the given subtree and changes all values of nodes with the replaced flag set by
* {@link JXG.JessieCode#replaceNames} to the name of the element (if not empty).
* @param {Object} node
*/
replaceIDs: function (node) {
var i, v;
if (node.replaced) {
// These children exist, if node.replaced is set.
v = this.board.objects[node.children[1][0].value];
if (Type.exists(v) && v.name !== "") {
node.type = 'node_var';
node.value = v.name;
// Maybe it's not necessary, but just to be sure that everything is cleaned up we better delete all
// children and the replaced flag
node.children.length = 0;
delete node.replaced;
}
}
if (Type.isArray(node)) {
for (i = 0; i < node.length; i++) {
node[i] = this.replaceIDs(node[i]);
}
}
if (node.children) {
// assignments are first evaluated on the right hand side
for (i = node.children.length; i > 0; i--) {
if (Type.exists(node.children[i - 1])) {
node.children[i - 1] = this.replaceIDs(node.children[i - 1]);
}
}
}
return node;
},
/**
* Traverses through the given subtree and changes all elements referenced by names through referencing them by ID.
* An identifier is only replaced if it is not found in all scopes above the current scope and if it
* has not been blacklisted within the codeblock determined by the given subtree.
* @param {Object} node
* @param {Boolean} [callValuePar=false] if true, uses $value() instead of $() in createReplacementNode
*/
replaceNames: function (node, callValuePar) {
var i, v,
callValue = false;
if (callValuePar !== undefined) {
callValue = callValuePar;
}
v = node.value;
// We are interested only in nodes of type node_var and node_op > op_lhs.
// Currently, we are not checking if the id is a local variable. in this case, we're stuck anyway.
if (node.type === 'node_op' && v === 'op_lhs' && node.children.length === 1) {
this.isLHS = true;
} else if (node.type === 'node_var') {
if (this.isLHS) {
this.letvar(v, true);
} else if (!Type.exists(this.getvar(v, true)) && Type.exists(this.board.elementsByName[v])) {
if (callValue && this.board.elementsByName[v].elType !== 'slider') {
callValue = false;
}
node = this.createReplacementNode(node, callValue);
}
}
if (Type.isArray(node)) {
for (i = 0; i < node.length; i++) {
node[i] = this.replaceNames(node[i], callValue);
}
}
if (node.children) {
// Replace slider reference by call of slider.Value()
if (this.forceValueCall && // It must be enforced, see snippet.
(
// 1. case: sin(a), max(a, 0), ...
(node.value === "op_execfun" &&
// Not in cases V(a), $(a)
node.children[0].value !== 'V' && node.children[0].value !== '$' &&
// Function must be a math function. This ensures that a number is required as input.
(Type.exists(Math[node.children[0].value]) || Type.exists(Mat[node.children[0].value])) &&
// node.children[1].length === 1 &&
node.children[1][0].type === 'node_var'
) ||
// 2. case: slider is the whole expression: 'a'
(node.value === "op_return" &&
node.children.length === 1 &&
node.children[0].type === 'node_var'
)
)
) {
callValue = true;
}
// Assignments are first evaluated on the right hand side
for (i = node.children.length; i > 0; i--) {
if (Type.exists(node.children[i - 1])) {
node.children[i - 1] = this.replaceNames(node.children[i - 1], callValue);
}
}
}
if (node.type === 'node_op' && node.value === 'op_lhs' && node.children.length === 1) {
this.isLHS = false;
}
return node;
},
/**
* Replaces node_var nodes with node_op>op_execfun nodes, calling the internal $() function with the id of the
* element accessed by the node_var node.
* @param {Object} node
* @param {Boolean} [callValue=undefined] if true, uses $value() instead of $()
* @returns {Object} op_execfun node
*/
createReplacementNode: function (node, callValue) {
var v = node.value,
el = this.board.elementsByName[v];
// If callValue: get handle to this node_var and call its Value method.
// Otherwise return the object.
node = this.createNode('node_op', 'op_execfun',
this.createNode('node_var', ((callValue === true) ? '$value' : '$')),
[this.createNode('node_str', el.id)]);
node.replaced = true;
return node;
},
/**
* Search the parse tree below `node` for <em>stationary</em> dependencies, i.e. dependencies hard coded into
* the function.
* @param {Object} node
* @param {Array} varnames List of variable names of the function
* @param {Object} result An object where the referenced elements will be stored. Access key is their id.
*/
collectDependencies: function (node, varnames, result) {
var i, v, e, le;
if (Type.isArray(node)) {
le = node.length;
for (i = 0; i < le; i++) {
this.collectDependencies(node[i], varnames, result);
}
return;
}
v = node.value;
if (node.type === 'node_var' &&
varnames.indexOf(v) < 0 // v is not contained in the list of variables of that function
) {
e = this.getvar(v);
if (e && e.visProp && e.elType && e.elementClass && e.id
// Sliders are the only elements which are given by names.
// Wrong, a counter example is: circle(c, function() { return p1.Dist(p2); })
// && e.elType === 'slider'
) {
result[e.id] = e;
}
}
// The $()-function-calls are special because their parameter is given as a string, not as a node_var.
if (node.type === 'node_op' && node.value === 'op_execfun' &&
node.children.length > 1 &&
(node.children[0].value === '$' || node.children[0].value === '$value') &&
node.children[1].length > 0) {
e = node.children[1][0].value;
result[e] = this.board.objects[e];
}
if (node.children) {
for (i = node.children.length; i > 0; i--) {
if (Type.exists(node.children[i - 1])) {
this.collectDependencies(node.children[i - 1], varnames, result);
}
}
}
},
resolveProperty: function (e, v, compile) {
compile = Type.def(compile, false);
// is it a geometry element or a board?
if (e /*&& e.type && e.elementClass*/ && e.methodMap) {
// yeah, it is. but what does the user want?
if (Type.exists(e.subs) && Type.exists(e.subs[v])) {
// a subelement it is, good sir.
e = e.subs;
} else if (Type.exists(e.methodMap[v])) {
// the user wants to call a method
v = e.methodMap[v];
} else {
// the user wants to change an attribute
e = e.visProp;
v = v.toLowerCase();
}
}
if (Type.isFunction(e)) {
this._error('Accessing function properties is not allowed.');
}
if (!Type.exists(e)) {
this._error(e + ' is not an object');
}
if (!Type.exists(e[v])) {
this._error('unknown property ' + v);
}
if (compile && typeof e[v] === 'function') {
return function () { return e[v].apply(e, arguments); };
}
return e[v];
},
/**
* Type inspection: check if the string vname appears as function name in the
* AST node. Used in "op_execfun". This allows the JessieCode examples below.
*
* @private
* @param {String} vname
* @param {Object} node
* @returns 'any' or 'function'
* @see JXG.JessieCode#execute
* @see JXG.JessieCode#getvar
*
* @example
* var p = board.create('point', [2, 0], {name: 'X'});
* var txt = 'X(X)';
* console.log(board.jc.parse(txt));
*
* @example
* var p = board.create('point', [2, 0], {name: 'X'});
* var txt = 'f = function(el, X) { return X(el); }; f(X, X);';
* console.log(board.jc.parse(txt));
*
* @example
* var p = board.create('point', [2, 0], {name: 'point'});
* var txt = 'B = point(1,3); X(point);';
* console.log(board.jc.parse(txt));
*
* @example
* var p = board.create('point', [2, 0], {name: 'A'});
* var q = board.create('point', [-2, 0], {name: 'X'});
* var txt = 'getCoord=function(p, f){ return f(p); }; getCoord(A, X);';
* console.log(board.jc.parse(txt));
*/
resolveType: function (vname, node) {
var i, t,
type = 'any'; // Possible values: 'function', 'any'
if (Type.isArray(node)) {
// node contains the parameters of a function call or function declaration
for (i = 0; i < node.length; i++) {
t = this.resolveType(vname, node[i]);
if (t !== 'any') {
type = t;
return type;
}
}
}
if (node.type === 'node_op' && node.value === 'op_execfun' &&
node.children[0].type === 'node_var' && node.children[0].value === vname) {
return 'function';
}
if (node.type === 'node_op') {
for (i = 0; i < node.children.length; i++) {
if (node.children[0].type === 'node_var' && node.children[0].value === vname &&
(node.value === 'op_add' || node.value === 'op_sub' || node.value === 'op_mul' ||
node.value === 'op_div' || node.value === 'op_mod' || node.value === 'op_exp' ||
node.value === 'op_neg')) {
return 'any';
}
}
for (i = 0; i < node.children.length; i++) {
t = this.resolveType(vname, node.children[i]);
if (t !== 'any') {
type = t;
return type;
}
}
}
return 'any';
},
/**
* Resolves the lefthand side of an assignment operation
* @param node
* @returns {Object} An object with two properties. <strong>o</strong> which contains the object, and
* a string <strong>what</strong> which contains the property name.
*/
getLHS: function (node) {
var res;
if (node.type === 'node_var') {
res = {
o: this.scope.locals,
what: node.value
};
} else if (node.type === 'node_op' && node.value === 'op_property') {
res = {
o: this.execute(node.children[0]),
what: node.children[1]
};
} else if (node.type === 'node_op' && node.value === 'op_extvalue') {
res = {
o: this.execute(node.children[0]),
what: this.execute(node.children[1])
};
} else {
throw new Error('Syntax error: Invalid left-hand side of assignment.');
}
return res;
},
getLHSCompiler: function (node, js) {
var res;
if (node.type === 'node_var') {
res = node.value;
} else if (node.type === 'node_op' && node.value === 'op_property') {
res = [
this.compile(node.children[0], js),
"'" + node.children[1] + "'"
];
} else if (node.type === 'node_op' && node.value === 'op_extvalue') {
res = [
this.compile(node.children[0], js),
(node.children[1].type === 'node_const') ? node.children[1].value : this.compile(node.children[1], js)
];
} else {
throw new Error('Syntax error: Invalid left-hand side of assignment.');
}
return res;
},
/**
* Executes a parse subtree.
* @param {Object} node
* @returns {Number|String|Object|Boolean} Something
* @private
*/
execute: function (node) {
var ret, v, i, e, l, undef, list, ilist,
parents = [],
// exec fun
fun, attr, sc;
ret = 0;
if (!node) {
return ret;
}
this.line = node.line;
this.col = node.col;
switch (node.type) {
case 'node_op':
switch (node.value) {
case 'op_none':
if (node.children[0]) {
this.execute(node.children[0]);
}
if (node.children[1]) {
ret = this.execute(node.children[1]);
}
break;
case 'op_block':
ret = this.execute(node.children[0]);
break;
case 'op_assign':
v = this.getLHS(node.children[0]);
this.lhs[this.scope.id] = v.what;
if (v.o.type && v.o.elementClass && v.o.methodMap && v.what === 'label') {
this._error('Left-hand side of assignment is read-only.');
}
ret = this.execute(node.children[1]);
if (v.o !== this.scope.locals || (Type.isArray(v.o) && typeof v.what === 'number')) {
// it is either an array component being set or a property of an object.
this.setProp(v.o, v.what, ret);
} else {
// this is just a local variable inside JessieCode
this.letvar(v.what, ret);
}
this.lhs[this.scope.id] = 0;
break;
case 'op_if':
if (this.execute(node.children[0])) {
ret = this.execute(node.children[1]);
}
break;
case 'op_conditional':
// fall through
case 'op_if_else':
if (this.execute(node.children[0])) {
ret = this.execute(node.children[1]);
} else {
ret = this.execute(node.children[2]);
}
break;
case 'op_while':
while (this.execute(node.children[0])) {
this.execute(node.children[1]);
}
break;
case 'op_do':
do {
this.execute(node.children[0]);
} while (this.execute(node.children[1]));
break;
case 'op_for':
for (this.execute(node.children[0]); this.execute(node.children[1]); this.execute(node.children[2])) {
this.execute(node.children[3]);
}
break;
case 'op_proplst':
if (node.children[0]) {
this.execute(node.children[0]);
}
if (node.children[1]) {
this.execute(node.children[1]);
}
break;
case 'op_emptyobject':
ret = {};
break;
case 'op_proplst_val':
this.propstack.push({});
this.propscope++;
this.execute(node.children[0]);
ret = this.propstack[this.propscope];
this.propstack.pop();
this.propscope--;
break;
case 'op_prop':
// child 0: Identifier
// child 1: Value
this.propstack[this.propscope][node.children[0]] = this.execute(node.children[1]);
break;
case 'op_array':
ret = [];
l = node.children[0].length;
for (i = 0; i < l; i++) {
ret.push(this.execute(node.children[0][i]));
}
break;
case 'op_extvalue':
ret = this.execute(node.children[0]);
i = this.execute(node.children[1]);
if (typeof i === 'number' && Math.abs(Math.round(i) - i) < 1.e-12) {
ret = ret[i];
} else {
ret = undef;
}
break;
case 'op_return':
if (this.scope === 0) {
this._error('Unexpected return.');
} else {
return this.execute(node.children[0]);
}
break;
case 'op_map':
if (!node.children[1].isMath && node.children[1].type !== 'node_var') {
this._error('execute: In a map only function calls and mathematical expressions are allowed.');
}
/** @ignore */
fun = this.defineFunction(node);
fun.isMap = true;
ret = fun;
break;
case 'op_function':
// parse the parameter list
// after this, the parameters are in pstack
/** @ignore */
fun = this.defineFunction(node);
fun.isMap = false;
ret = fun;
break;
case 'op_execfun':
// node.children:
// [0]: Name of the function
// [1]: Parameter list as a parse subtree
// [2]: Properties, only used in case of a create function
this.dpstack.push([]);
this.pscope++;
// parameter parsing is done below
list = node.children[1];
// parse the properties only if given
if (Type.exists(node.children[2])) {
if (node.children[3]) {
ilist = node.children[2];
attr = {};
for (i = 0; i < ilist.length; i++) {
attr = Type.deepCopy(attr, this.execute(ilist[i]), true);
}
} else {
attr = this.execute(node.children[2]);
}
}
// look up the variables name in the variable table
node.children[0]._isFunctionName = true;
fun = this.execute(node.children[0]);
delete node.children[0]._isFunctionName;
// determine the scope the function wants to run in
if (Type.exists(fun) && Type.exists(fun.sc)) {
sc = fun.sc;
} else {
sc = this;
}
if (!fun.creator && Type.exists(node.children[2])) {
this._error('Unexpected value. Only element creators are allowed to have a value after the function call.');
}
// interpret ALL the parameters
for (i = 0; i < list.length; i++) {
if (Type.exists(fun.scope) && Type.exists(fun.scope.argtypes) && fun.scope.argtypes[i] === 'function') {
// Type inspection
list[i]._isFunctionName = true;
parents[i] = this.execute(list[i]);
delete list[i]._isFunctionName;
} else {
parents[i] = this.execute(list[i]);
}
//parents[i] = Type.evalSlider(this.execute(list[i]));
this.dpstack[this.pscope].push({
line: node.children[1][i].line,
// SketchBin currently works only if the last column of the
// parent position is taken. This is due to how I patched JS/CC
// to count the lines and columns. So, ecol will do for now
col: node.children[1][i].ecol
});
}
// check for the function in the variable table
if (typeof fun === 'function' && !fun.creator) {
ret = fun.apply(sc, parents);
} else if (typeof fun === 'function' && !!fun.creator) {
e = this.line;
// creator methods are the only ones that take properties, hence this special case
try {
ret = fun(parents, attr);
ret.jcLineStart = e;
ret.jcLineEnd = node.eline;
for (i = e; i <= node.line; i++) {
this.lineToElement[i] = ret;
}
ret.debugParents = this.dpstack[this.pscope];
} catch (ex) {
this._error(ex.toString());
}
} else {
this._error('Function \'' + fun + '\' is undefined.');
}
// clear parameter stack
this.dpstack.pop();
this.pscope--;
break;
case 'op_property':
e = this.execute(node.children[0]);
v = node.children[1];
ret = this.resolveProperty(e, v, false);
// set the scope, in case this is a method the user wants to call
if (Type.exists(ret) && ['number', 'string', 'boolean'].indexOf(typeof ret) < 0) {
ret.sc = e;
}
break;
case 'op_use':
this._warn('Use of the \'use\' operator is deprecated.');
this.use(node.children[0].toString());
break;
case 'op_delete':
this._warn('Use of the \'delete\' operator is deprecated. Please use the remove() function.');
v = this.getvar(node.children[0]);
ret = this.del(v);
break;
case 'op_eq':
// == is intentional
/*jslint eqeq:true*/
/* eslint-disable eqeqeq */
ret = this.execute(node.children[0]) == this.execute(node.children[1]);
/*jslint eqeq:false*/
/* eslint-enable eqeqeq */
break;
case 'op_neq':
// != is intentional
/*jslint eqeq:true*/
/* eslint-disable eqeqeq */
ret = this.execute(node.children[0]) != this.execute(node.children[1]);
/*jslint eqeq:true*/
/* eslint-enable eqeqeq */
break;
case 'op_approx':
ret = Math.abs(this.execute(node.children[0]) - this.execute(node.children[1])) < Mat.eps;
break;
case 'op_gt':
ret = this.execute(node.children[0]) > this.execute(node.children[1]);
break;
case 'op_lt':
ret = this.execute(node.children[0]) < this.execute(node.children[1]);
break;
case 'op_geq':
ret = this.execute(node.children[0]) >= this.execute(node.children[1]);
break;
case 'op_leq':
ret = this.execute(node.children[0]) <= this.execute(node.children[1]);
break;
case 'op_or':
ret = this.execute(node.children[0]) || this.execute(node.children[1]);
break;
case 'op_and':
ret = this.execute(node.children[0]) && this.execute(node.children[1]);
break;
case 'op_not':
ret = !this.execute(node.children[0]);
break;
case 'op_add':
ret = this.add(this.execute(node.children[0]), this.execute(node.children[1]));
break;
case 'op_sub':
ret = this.sub(this.execute(node.children[0]), this.execute(node.children[1]));
break;
case 'op_div':
ret = this.div(this.execute(node.children[0]), this.execute(node.children[1]));
break;
case 'op_mod':
// use mathematical modulo, JavaScript implements the symmetric modulo.
ret = this.mod(this.execute(node.children[0]), this.execute(node.children[1]), true);
break;
case 'op_mul':
ret = this.mul(this.execute(node.children[0]), this.execute(node.children[1]));
break;
case 'op_exp':
ret = this.pow(this.execute(node.children[0]), this.execute(node.children[1]));
break;
case 'op_neg':
ret = this.neg(this.execute(node.children[0]));
break;
}
break;
case 'node_var':
// node._isFunctionName is set in execute: at op_execfun.
ret = this.getvar(node.value, false, node._isFunctionName);
break;
case 'node_const':
if (node.value === null) {
ret = null;
} else {
ret = Number(node.value);
}
break;
case 'node_const_bool':
ret = node.value;
break;
case 'node_str':
//ret = node.value.replace(/\\'/, "'").replace(/\\"/, '"').replace(/\\\\/, '\\');
/*jslint regexp:true*/
ret = node.value.replace(/\\(.)/g, '$1'); // Remove backslash, important in JessieCode tags
/*jslint regexp:false*/
break;
}
return ret;
},
/**
* Compiles a parse tree back to JessieCode.
* @param {Object} ast
* @param {Boolean} [js=false] Compile either to JavaScript or back to JessieCode (required for the UI).
* @param {Object} [format] Options for formatting the output. Depending on some options, the function might return a not re-parsable string. This format options have only effect on JessieCode output.
*
* - {Boolean} [minParentheses=false] Use minimal amount of parentheses?
* - {Boolean|Number|Function} [constToFixed=false] Use this number or function to format constant values.
* - {Boolean} [printable=false] Adds additional signs or parentheses, e.g. x^0.5 --> x^{0.5}.
* </ul>
* @returns Something
* @private
*/
compile: function (ast, js, format) {
var that = this;
if (!Type.exists(js)) {
js = false;
}
if (!Type.exists(format) || !Type.isObject(format)) {
format = {};
}
format = Type.deepCopy({
minParentheses: false,
constToFixed: false,
printable: false
}, format);
// node_const/node_var >> op_execfun >> op_neg >> op_exp >> op_mul/op_div >> op_add/op_sub >> op_map >> op_assign
function prio(node) {
switch (node.type) {
case "node_const":
case "node_const_bool":
case "node_str":
case "node_var":
return 10;
case "node_op":
switch (node.value) {
case "op_none":
return 0;
case "op_assign":
return 1;
case "op_map":
case "op_function":
case "op_return":
return 2;
case "op_add":
case "op_sub":
return 3;
case "op_mul":
case "op_div":
case "op_mod":
return 5;
case "op_neg":
return 4;
case "op_exp":
return 6;
case "op_array":
case "op_execfun":
return 7;
default:
return 0;
}
default:
return 0;
}
}
function compile(node, prevOp, position = -1) {
var e, i, c, list, scope, prioParent, prioChild,
ret = '';
if (!node) {
return ret;
}
switch (node.type) {
case 'node_op':
switch (node.value) {
case 'op_none':
if (node.children[0]) {
ret = compile(node.children[0], "op_none");
}
if (node.children[1]) {
ret += compile(node.children[1], "op_none");
}
break;
case 'op_block':
ret = '{\n' + compile(node.children[0], "op_block") + ' }\n';
break;
case 'op_assign':
if (js) {
e = that.getLHSCompiler(node.children[0], js);
if (Type.isArray(e)) {
ret = '$jc$.setProp(' + e[0] + ', ' + e[1] + ', ' + compile(node.children[1], "op_assign") + ');\n';
} else {
if (that.isLocalVariable(e) !== that.scope) {
that.scope.locals[e] = true;
}
ret = '$jc$.scopes[' + that.scope.id + '].locals[\'' + e + '\'] = ' + compile(node.children[1], "op_assign") + ';\n';
}
} else {
e = compile(node.children[0], "op_assign");
ret = e + ' = ' + compile(node.children[1], "op_assign") + ';\n';
}
break;
case 'op_if':
ret = ' if (' + compile(node.children[0], "op_if") + ') ' + compile(node.children[1], "op_if");
break;
case 'op_if_else':
ret = ' if (' + compile(node.children[0], "op_if_else") + ')' + compile(node.children[1], "op_if_else");
ret += ' else ' + compile(node.children[2], "op_if_else");
break;
case 'op_conditional':
ret = '((' + compile(node.children[0], "op_conditional") + ')?(' + compile(node.children[1], "op_conditional");
ret += '):(' + compile(node.children[2], "op_conditional") + '))';
break;
case 'op_while':
ret = ' while (' + compile(node.children[0], "op_while") + ') {\n' + compile(node.children[1], "op_while") + '}\n';
break;
case 'op_do':
ret = ' do {\n' + compile(node.children[0], "op_do") + '} while (' + compile(node.children[1], "op_do") + ');\n';
break;
case 'op_for':
//ret = ' for (' + compile(node.children[0]) + '; ' + compile(node.children[1]) + '; ' + compile(node.children[2]) + ') {\n' + compile(node.children[3]) + '\n}\n';
ret = ' for (' + compile(node.children[0], "op_for") + // Assignment ends with ";"
compile(node.children[1], "op_for") + '; ' + // Logical test comes without ";"
compile(node.children[2], "op_for").slice(0, -2) + // Counting comes with ";" which has to be removed
') {\n' + compile(node.children[3], "op_for") + '\n}\n';
break;
case 'op_proplst':
if (node.children[0]) {
ret = compile(node.children[0], "op_proplst") + ', ';
}
ret += compile(node.children[1], "op_proplst");
break;
case 'op_prop':
// child 0: Identifier
// child 1: Value
ret = node.children[0] + ': ' + compile(node.children[1], "op_prop");
break;
case 'op_emptyobject':
ret = js ? '{}' : '<< >>';
break;
case 'op_proplst_val':
ret = compile(node.children[0], "op_proplst_val");
break;
case 'op_array':
list = [];
for (i = 0; i < node.children[0].length; i++) {
list.push(compile(node.children[0][i], "op_array"));
}
ret = '[' + list.join(', ') + ']';
break;
case 'op_extvalue':
ret = compile(node.children[0], "op_extvalue") + '[' + compile(node.children[1], "op_extvalue") + ']';
break;
case 'op_return':
ret = ' return ' + compile(node.children[0], "op_return") + ';\n';
break;
case 'op_map':
if (!node.children[1].isMath && node.children[1].type !== 'node_var') {
that._error('compile: In a map only function calls and mathematical expressions are allowed.');
}
list = node.children[0];
if (js) {
ret = ' $jc$.makeMap(function (' + list.join(', ') + ') { return ' + compile(node.children[1], "op_map") + '; })';
} else {
ret = 'map (' + list.join(', ') + ') -> ' + compile(node.children[1], "op_map");
}
break;
case 'op_function':
list = node.children[0];
scope = that.pushScope(list);
if (js) {
ret = that.functionCodeJS(node);
} else {
ret = ' function (' + list.join(', ') + ') ' + compile(node.children[1], "op_function");
}
that.popScope();
break;
case 'op_execfunmath':
console.log('op_execfunmath: TODO');
ret = '-1';
break;
case 'op_execfun':
// parse the properties only if given
if (node.children[2]) {
list = [];
for (i = 0; i < node.children[2].length; i++) {
list.push(compile(node.children[2][i], "op_execfun"));
}
if (js) {
e = '$jc$.mergeAttributes(' + list.join(', ') + ')';
} else {
e = list.join(', ');
}
}
node.children[0].withProps = !!node.children[2];
list = [];
for (i = 0; i < node.children[1].length; i++) {
list.push(compile(node.children[1][i], "op_execfun"));
}
ret = compile(node.children[0], "op_execfun") + '(' + list.join(', ') + (node.children[2] && js ? ', ' + e : '') + ')' + ((node.children[2] && !js) ? ' ' + e : '');
if (js) {
// Inserting a newline here allows simultaneously
// - procedural calls like Q.moveTo(...); and
// - function calls in expressions like log(x) + 1;
// Problem: procedural calls will not be ended by a semicolon.
ret += '\n';
}
// save us a function call when compiled to javascript
if (js && node.children[0].value === '$') {
ret = '$jc$.board.objects[' + compile(node.children[1][0], "op_execfun") + ']';
}
break;
case 'op_property':
if (js && node.children[1] !== 'X' && node.children[1] !== 'Y') {
ret = '$jc$.resolveProperty(' + compile(node.children[0], "op_property") + ', \'' + node.children[1] + '\', true)';
} else {
ret = compile(node.children[0], "op_property") + '.' + node.children[1];
}
break;
case 'op_use':
that._warn('Use of the \'use\' operator is deprecated.');
if (js) {
ret = '$jc$.use(\'';
} else {
ret = 'use(\'';
}
ret += node.children[0].toString() + '\');';
break;
case 'op_delete':
that._warn('Use of the \'delete\' operator is deprecated. Please use the remove() function.');
if (js) {
ret = '$jc$.del(';
} else {
ret = 'remove(';
}
ret += compile(node.children[0], "op_delete") + ')';
break;
case 'op_eq':
ret = '(' + compile(node.children[0], "op_eq") + ' === ' + compile(node.children[1], "op_eq") + ')';
break;
case 'op_neq':
ret = '(' + compile(node.children[0], "op_neq") + ' !== ' + compile(node.children[1], "op_neq") + ')';
break;
case 'op_approx':
ret = '(' + compile(node.children[0], "op_approx") + ' ~= ' + compile(node.children[1], "op_approx") + ')';
break;
case 'op_gt':
if (js) {
ret = '$jc$.gt(' + compile(node.children[0], "op_gt") + ', ' + compile(node.children[1], "op_gt") + ')';
} else {
ret = '(' + compile(node.children[0], "op_gt") + ' > ' + compile(node.children[1], "op_gt") + ')';
}
break;
case 'op_lt':
if (js) {
ret = '$jc$.lt(' + compile(node.children[0], "op_lt") + ', ' + compile(node.children[1], "op_lt") + ')';
} else {
ret = '(' + compile(node.children[0], "op_lt") + ' < ' + compile(node.children[1], "op_lt") + ')';
}
break;
case 'op_geq':
if (js) {
ret = '$jc$.geq(' + compile(node.children[0], "op_geq") + ', ' + compile(node.children[1], "op_geq") + ')';
} else {
ret = '(' + compile(node.children[0], "op_geq") + ' >= ' + compile(node.children[1], "op_geq") + ')';
}
break;
case 'op_leq':
if (js) {
ret = '$jc$.leq(' + compile(node.children[0], "op_leq") + ', ' + compile(node.children[1], "op_leq") + ')';
} else {
ret = '(' + compile(node.children[0], "op_leq") + ' <= ' + compile(node.children[1], "op_leq") + ')';
}
break;
case 'op_or':
ret = '(' + compile(node.children[0], "op_or") + ' || ' + compile(node.children[1], "op_or") + ')';
break;
case 'op_and':
ret = '(' + compile(node.children[0], "op_and") + ' && ' + compile(node.children[1], "op_and") + ')';
break;
case 'op_not':
ret = '!(' + compile(node.children[0], "op_not") + ')';
break;
case "op_add":
if (js) {
ret = '$jc$.add(' + compile(node.children[0], "op_add") + ', ' + compile(node.children[1], "op_add") + ')';
} else if (!format.minParentheses) {
ret = '(' + compile(node.children[0], "op_add") + ' + ' + compile(node.children[1], "op_add") + ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_add");
prioChild = prio(node.children[0]);
ret = (prioParent > prioChild) ? "(" + e + ")" : e;
ret += ' + ';
e = compile(node.children[1], "op_add");
prioChild = prio(node.children[1]);
ret += (prioParent > prioChild) ? "(" + e + ")" : e;
}
break;
case 'op_sub':
if (js) {
ret = '$jc$.sub(' + compile(node.children[0], "op_sub") + ', ' + compile(node.children[1], "op_sub") + ')';
} else if (!format.minParentheses) {
ret = '(' + compile(node.children[0], "op_sub") + ' - ' + compile(node.children[1], "op_sub") + ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_sub");
prioChild = prio(node.children[0]);
ret = (prioParent > prioChild) ? "(" + e + ")" : e;
ret += ' - ';
e = compile(node.children[1], "op_sub");
prioChild = prio(node.children[1]);
ret += (prioParent >= prioChild) ? "(" + e + ")" : e;
}
break;
case 'op_div':
if (js) {
ret = '$jc$.div(' + compile(node.children[0], "op_div") + ', ' + compile(node.children[1], "op_div") + ')';
} else if (!format.minParentheses) {
ret = '(' + compile(node.children[0], "op_div") + ' / ' + compile(node.children[1], "op_div") + ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_div");
prioChild = prio(node.children[0]);
ret = (prioParent > prioChild) ? "(" + e + ")" : e;
ret += ' / ';
e = compile(node.children[1], "op_div");
prioChild = prio(node.children[1]);
ret += (prioParent >= prioChild) ? "(" + e + ")" : e;
}
break;
case 'op_mod':
if (js) {
ret = '$jc$.mod(' + compile(node.children[0], "op_mod") + ', ' + compile(node.children[1], "op_mod") + ', true)';
} else if (!format.minParentheses) {
ret = '(' + compile(node.children[0], "op_mod") + ' % ' + compile(node.children[1], "op_mod") + ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_mod");
prioChild = prio(node.children[0]);
ret = (prioParent > prioChild) ? "(" + e + ")" : e;
ret += ' % ';
e = compile(node.children[1], "op_mod");
prioChild = prio(node.children[1]);
ret += (prioParent >= prioChild) ? "(" + e + ")" : e;
}
break;
case 'op_mul':
if (js) {
ret = '$jc$.mul(' + compile(node.children[0], "op_mul") + ', ' + compile(node.children[1], "op_mul") + ')';
} else if (!format.minParentheses) {
ret = '(' + compile(node.children[0], "op_mul") + ' * ' + compile(node.children[1], "op_mul") + ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_mul");
prioChild = prio(node.children[0]);
ret = (prioParent > prioChild) ? "(" + e + ")" : e;
ret += ' * ';
e = compile(node.children[1], "op_mul");
prioChild = prio(node.children[1]);
ret += (prioParent > prioChild) ? "(" + e + ")" : e;
}
break;
case 'op_exp':
if (js) {
ret = '$jc$.pow(' + compile(node.children[0], "op_exp", 0) + ', ' + compile(node.children[1], "op_exp", 1) + ')';
} else if (!format.minParentheses) {
ret = '('
+ compile(node.children[0], "op_exp", 0)
+ '^' + compile(node.children[1], "op_exp", 1)
+ ')';
} else {
prioParent = prio(node);
e = compile(node.children[0], "op_exp", 0);
prioChild = prio(node.children[0]);
ret = (prioParent >= prioChild)
? "(" + e + ")"
: e;
ret += '^';
e = compile(node.children[1], "op_exp", 1);
prioChild = prio(node.children[1]);
ret += (prioParent > prioChild && !(format.printable && e[0] === '{' && e[e.length - 1] === '}'))
? "(" + e + ")"
: e;
}
break;
case 'op_neg':
if (js) {
ret = '$jc$.neg(' + compile(node.children[0], "op_neg") + ')';
} else if (!format.minParentheses) {
ret = '(-' + compile(node.children[0], "op_neg") + ')';
} else {
prioParent = prio(node);
prioChild = prio(node.children[0]);
e = compile(node.children[0], "op_neg");
if (prioParent >= prioChild) {
ret = '-(' + e + ')';
} else {
ret = '-' + e;
}
}
break;
}
break;
case 'node_var':
if (js) {
ret = that.getvarJS(node.value, false, node.withProps);
} else {
ret = node.value;
}
break;
case 'node_const':
if (js) {
ret = node.value;
break;
}
c = node.value;
if (
format.constToFixed !== false &&
Type.isNumber(c) &&
!(prevOp === "op_exp" && position === 1) // exponents will not be formatted
) {
c = parseFloat(c);
if (Type.isNumber(format.constToFixed)) {
c = Type.toFixed(c, format.constToFixed);
} else if (Type.isFunction(format.constToFixed)) {
c = format.constToFixed(c);
} else {
c = node.value;
}
}
if (format.minParentheses && parseFloat(c) < 0 && prevOp !== "op_execfun" && position !== 0) {
ret = "(" + c + ")";
} else {
ret = c;
}
break;
case 'node_const_bool':
ret = node.value;
break;
case 'node_str':
ret = '\'' + node.value + '\'';
break;
}
if (node.needsAngleBrackets) {
if (js) {
ret = '{\n' + ret + ' }\n';
} else {
ret = '<< ' + ret + ' >>\n';
}
}
if (format.printable && prevOp === "op_exp" && position === 1) {
ret = '{' + ret + '}';
}
if (format.printable && Type.isString(ret)) {
ret = ret.replaceAll('\n', '');
}
return ret;
}
return compile(ast, "");
},
/**
* This is used as the global getName() function.
* @param {JXG.GeometryElement} obj
* @param {Boolean} useId
* @returns {String}
*/
getName: function (obj, useId) {
var name = '';
if (Type.exists(obj) && Type.exists(obj.getName)) {
name = obj.getName();
if ((!Type.exists(name) || name === '') && useId) {
name = obj.id;
}
} else if (useId) {
name = obj.id;
}
return name;
},
/**
* This is used as the global X() function.
* @param {Point|Text} e
* @returns {Number}
*/
X: function (e) {
return e.X();
},
/**
* This is used as the global Y() function.
* @param {Point|Text} e
* @returns {Number}
*/
Y: function (e) {
return e.Y();
},
/**
* This is used as the global V() function.
* @param {Glider|Slider} e
* @returns {Number}
*/
V: function (e) {
return e.Value();
},
/**
* This is used as the global L() function.
* @param {Line} e
* @returns {Number}
*/
L: function (e) {
return e.L();
},
/**
* This is used as the global area() function.
* @param {Circle|Polygon} obj
* @returns {Number}
*/
area: function (obj) {
if (!Type.exists(obj) || !Type.exists(obj.Area)) {
this._error('Error: Can\'t calculate area.');
}
return obj.Area();
},
/**
* This is used as the global perimeter() function.
* @param {Circle|Polygon} obj
* @returns {Number}
*/
perimeter: function (obj) {
if (!Type.exists(obj) || !Type.exists(obj.Perimeter)) {
this._error('Error: Can\'t calculate perimeter.');
}
return obj.Perimeter();
},
/**
* This is used as the global dist() function.
* @param {Point} p1
* @param {Point} p2
* @returns {Number}
*/
dist: function (p1, p2) {
if (!Type.exists(p1) || !Type.exists(p1.Dist)) {
this._error('Error: Can\'t calculate distance.');
}
return p1.Dist(p2);
},
/**
* This is used as the global radius() function.
* @param {Circle|Sector} obj
* @returns {Number}
*/
radius: function (obj) {
if (!Type.exists(obj) || !Type.exists(obj.Radius)) {
this._error('Error: Can\'t calculate radius.');
}
return obj.Radius();
},
/**
* This is used as the global slope() function.
* @param {Line} obj
* @returns {Number}
*/
slope: function (obj) {
if (!Type.exists(obj) || !Type.exists(obj.Slope)) {
this._error('Error: Can\'t calculate slope.');
}
return obj.Slope();
},
/**
* + operator implementation
* @param {Number|Array|Point} a
* @param {Number|Array|Point} b
* @returns {Number|Array}
*/
add: function (a, b) {
var i, len, res;
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Interval.isInterval(a) || Interval.isInterval(b)) {
res = Interval.add(a, b);
} else if (Type.isArray(a) && Type.isArray(b)) {
len = Math.min(a.length, b.length);
res = [];
for (i = 0; i < len; i++) {
res[i] = a[i] + b[i];
}
} else if (Type.isNumber(a) && Type.isNumber(b)) {
res = a + b;
} else if (Type.isString(a) || Type.isString(b)) {
res = a.toString() + b.toString();
} else {
this._error('Operation + not defined on operands ' + typeof a + ' and ' + typeof b);
}
return res;
},
/**
* - operator implementation
* @param {Number|Array|Point} a
* @param {Number|Array|Point} b
* @returns {Number|Array}
*/
sub: function (a, b) {
var i, len, res;
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Interval.isInterval(a) || Interval.isInterval(b)) {
res = Interval.sub(a, b);
} else if (Type.isArray(a) && Type.isArray(b)) {
len = Math.min(a.length, b.length);
res = [];
for (i = 0; i < len; i++) {
res[i] = a[i] - b[i];
}
} else if (Type.isNumber(a) && Type.isNumber(b)) {
res = a - b;
} else {
this._error('Operation - not defined on operands ' + typeof a + ' and ' + typeof b);
}
return res;
},
/**
* unary - operator implementation
* @param {Number|Array|Point} a
* @returns {Number|Array}
*/
neg: function (a) {
var i, len, res;
a = Type.evalSlider(a);
if (Interval.isInterval(a)) {
res = Interval.negative(a);
} else if (Type.isArray(a)) {
len = a.length;
res = [];
for (i = 0; i < len; i++) {
res[i] = -a[i];
}
} else if (Type.isNumber(a)) {
res = -a;
} else {
this._error('Unary operation - not defined on operand ' + typeof a);
}
return res;
},
/**
* Multiplication of vectors and numbers
* @param {Number|Array} a
* @param {Number|Array} b
* @returns {Number|Array} (Inner) product of the given input values.
*/
mul: function (a, b) {
var i, len, res;
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Type.isArray(a) && Type.isNumber(b)) {
// swap b and a
i = a;
a = b;
b = a;
}
if (Interval.isInterval(a) || Interval.isInterval(b)) {
res = Interval.mul(a, b);
} else if (Type.isArray(a) && Type.isArray(b)) {
len = Math.min(a.length, b.length);
res = Mat.innerProduct(a, b, len);
} else if (Type.isNumber(a) && Type.isArray(b)) {
len = b.length;
res = [];
for (i = 0; i < len; i++) {
res[i] = a * b[i];
}
} else if (Type.isNumber(a) && Type.isNumber(b)) {
res = a * b;
} else {
this._error('Operation * not defined on operands ' + typeof a + ' and ' + typeof b);
}
return res;
},
/**
* Implementation of the / operator.
* @param {Number|Array} a
* @param {Number} b
* @returns {Number|Array}
*/
div: function (a, b) {
var i, len, res;
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Interval.isInterval(a) || Interval.isInterval(b)) {
res = Interval.div(a, b);
} else if (Type.isArray(a) && Type.isNumber(b)) {
len = a.length;
res = [];
for (i = 0; i < len; i++) {
res[i] = a[i] / b;
}
} else if (Type.isNumber(a) && Type.isNumber(b)) {
res = a / b;
} else {
this._error('Operation * not defined on operands ' + typeof a + ' and ' + typeof b);
}
return res;
},
/**
* Implementation of the % operator.
* @param {Number|Array} a
* @param {Number} b
* @returns {Number|Array}
*/
mod: function (a, b) {
var i, len, res;
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.fmod(a, b);
} else if (Type.isArray(a) && Type.isNumber(b)) {
len = a.length;
res = [];
for (i = 0; i < len; i++) {
res[i] = Mat.mod(a[i], b, true);
}
} else if (Type.isNumber(a) && Type.isNumber(b)) {
res = Mat.mod(a, b, true);
} else {
this._error('Operation * not defined on operands ' + typeof a + ' and ' + typeof b);
}
return res;
},
/**
* Pow function wrapper to allow direct usage of sliders.
* @param {Number|Slider} a
* @param {Number|Slider} b
* @returns {Number}
*/
pow: function (a, b) {
a = Type.evalSlider(a);
b = Type.evalSlider(b);
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.pow(a, b);
}
return Mat.pow(a, b);
},
lt: function (a, b) {
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.lt(a, b);
}
return a < b;
},
leq: function (a, b) {
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.leq(a, b);
}
return a <= b;
},
gt: function (a, b) {
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.gt(a, b);
}
return a > b;
},
geq: function (a, b) {
if (Interval.isInterval(a) || Interval.isInterval(b)) {
return Interval.geq(a, b);
}
return a >= b;
},
randint: function (min, max, step) {
if (!Type.exists(step)) {
step = 1;
}
return Math.round(Math.random() * (max - min) / step) * step + min;
},
DDD: function (f) {
console.log('Dummy derivative function. This should never appear!');
},
/**
* Implementation of the ?: operator
* @param {Boolean} cond Condition
* @param {*} v1
* @param {*} v2
* @returns {*} Either v1 or v2.
*/
ifthen: function (cond, v1, v2) {
if (cond) {
return v1;
}
return v2;
},
/**
* Implementation of the delete() builtin function
* @param {JXG.GeometryElement} element
*/
del: function (element) {
if (typeof element === 'object' && JXG.exists(element.type) && JXG.exists(element.elementClass)) {
this.board.removeObject(element);
}
},
/**
* Implementation of the eval() builtin function. Calls JXG.evaluate().
* @param {String|Number|Function} v
*/
eval: function (v) {
return JXG.evaluate(v);
},
/**
* Implementation of the use() builtin function
* @param {String} board
*/
use: function (board) {
var b, ref,
found = false;
if (typeof board === 'string') {
// search all the boards for the one with the appropriate container div
for (b in JXG.boards) {
if (JXG.boards.hasOwnProperty(b) && JXG.boards[b].container === board) {
ref = JXG.boards[b];
found = true;
break;
}
}
} else {
ref = board;
found = true;
}
if (found) {
this.board = ref;
this.builtIn.$board = ref;
this.builtIn.$board.src = '$jc$.board';
} else {
this._error('Board \'' + board + '\' not found!');
}
},
/**
* Find the first symbol to the given value from the given scope upwards.
* @param v Value
* @param {Number} [scope=-1] The scope, default is to start with current scope (-1).
* @returns {Array} An array containing the symbol and the scope if a symbol could be found,
* an empty array otherwise;
*/
findSymbol: function (v, scope) {
var i, s;
scope = Type.def(scope, -1);
if (scope === -1) {
s = this.scope;
} else {
s = this.scopes[scope];
}
while (s !== null) {
for (i in s.locals) {
if (s.locals.hasOwnProperty(i) && s.locals[i] === v) {
return [i, s];
}
}
s = s.previous;
}
return [];
},
/**
* Import modules into a JessieCode script.
* @param {String} module
*/
importModule: function (module) {
return priv.modules[module.toLowerCase()];
},
/**
* Defines built in methods and constants.
* @returns {Object} BuiltIn control object
*/
defineBuiltIn: function () {
var that = this,
builtIn = {
PI: Math.PI,
EULER: Math.E,
D: that.DDD,
X: that.X,
Y: that.Y,
V: that.V,
Value: that.V,
L: that.L,
Length: that.L,
acosh: Mat.acosh,
acot: Mat.acot,
asinh: Mat.asinh,
binomial: Mat.binomial,
cbrt: Mat.cbrt,
cosh: Mat.cosh,
cot: Mat.cot,
deg: Geometry.trueAngle,
A: that.area,
area: that.area,
Area: that.area,
perimeter: that.perimeter,
Perimeter: that.perimeter,
dist: that.dist,
Dist: that.dist,
R: that.radius,
radius: that.radius,
Radius: that.radius,
erf: Mat.erf,
erfc: Mat.erfc,
erfi: Mat.erfi,
factorial: Mat.factorial,
gcd: Mat.gcd,
lb: Mat.log2,
lcm: Mat.lcm,
ld: Mat.log2,
lg: Mat.log10,
ln: Math.log,
log: Mat.log,
log10: Mat.log10,
log2: Mat.log2,
ndtr: Mat.ndtr,
ndtri: Mat.ndtri,
nthroot: Mat.nthroot,
pow: Mat.pow,
rad: Geometry.rad,
ratpow: Mat.ratpow,
trunc: Type.trunc,
sinh: Mat.sinh,
slope: that.slope,
Slope: that.slope,
randint: that.randint,
IfThen: that.ifthen,
'import': that.importModule,
'eval': that.eval,
'use': that.use,
'remove': that.del,
'$': that.getElementById,
'$value': function(e) {return that.getElementById(e).Value(); },
getName: that.getName,
name: that.getName,
'$board': that.board,
'$log': that.log
};
// special scopes for factorial, deg, and rad
builtIn.rad.sc = Geometry;
builtIn.deg.sc = Geometry;
builtIn.factorial.sc = Mat;
// set the javascript equivalent for the builtIns
// some of the anonymous functions should be replaced by global methods later on
// EULER and PI don't get a source attribute - they will be lost anyways and apparently
// some browser will throw an exception when a property is assigned to a primitive value.
builtIn.X.src = '$jc$.X';
builtIn.Y.src = '$jc$.Y';
builtIn.V.src = '$jc$.V';
builtIn.Value.src = '$jc$.V';
builtIn.L.src = '$jc$.L';
builtIn.Length.src = '$jc$.L';
builtIn.acosh.src = 'JXG.Math.acosh';
builtIn.acot.src = 'JXG.Math.acot';
builtIn.asinh.src = 'JXG.Math.asinh';
builtIn.binomial.src = 'JXG.Math.binomial';
builtIn.cbrt.src = 'JXG.Math.cbrt';
builtIn.cot.src = 'JXG.Math.cot';
builtIn.cosh.src = 'JXG.Math.cosh';
builtIn.deg.src = 'JXG.Math.Geometry.trueAngle';
builtIn.erf.src = 'JXG.Math.erf';
builtIn.erfc.src = 'JXG.Math.erfc';
builtIn.erfi.src = 'JXG.Math.erfi';
builtIn.A.src = '$jc$.area';
builtIn.area.src = '$jc$.area';
builtIn.Area.src = '$jc$.area';
builtIn.perimeter.src = '$jc$.perimeter';
builtIn.Perimeter.src = '$jc$.perimeter';
builtIn.dist.src = '$jc$.dist';
builtIn.Dist.src = '$jc$.dist';
builtIn.R.src = '$jc$.radius';
builtIn.radius.src = '$jc$.radius';
builtIn.Radius.src = '$jc$.radius';
builtIn.factorial.src = 'JXG.Math.factorial';
builtIn.gcd.src = 'JXG.Math.gcd';
builtIn.lb.src = 'JXG.Math.log2';
builtIn.lcm.src = 'JXG.Math.lcm';
builtIn.ld.src = 'JXG.Math.log2';
builtIn.lg.src = 'JXG.Math.log10';
builtIn.ln.src = 'Math.log';
builtIn.log.src = 'JXG.Math.log';
builtIn.log10.src = 'JXG.Math.log10';
builtIn.log2.src = 'JXG.Math.log2';
builtIn.ndtr.src = 'JXG.Math.ndtr';
builtIn.ndtri.src = 'JXG.Math.ndtri';
builtIn.nthroot.src = 'JXG.Math.nthroot';
builtIn.pow.src = 'JXG.Math.pow';
builtIn.rad.src = 'JXG.Math.Geometry.rad';
builtIn.ratpow.src = 'JXG.Math.ratpow';
builtIn.trunc.src = 'JXG.trunc';
builtIn.sinh.src = 'JXG.Math.sinh';
builtIn.slope.src = '$jc$.slope';
builtIn.Slope.src = '$jc$.slope';
builtIn.randint.src = '$jc$.randint';
builtIn['import'].src = '$jc$.importModule';
builtIn.eval.src = '$jc$.eval';
builtIn.use.src = '$jc$.use';
builtIn.remove.src = '$jc$.del';
builtIn.IfThen.src = '$jc$.ifthen';
// usually unused, see node_op > op_execfun
builtIn.$.src = '(function (n) { return $jc$.board.select(n); })';
builtIn.$value.src = '(function (n) { return $jc$.board.select(n).Value(); })';
builtIn.getName.src = '$jc$.getName';
builtIn.name.src = '$jc$.getName';
if (builtIn.$board) {
builtIn.$board.src = '$jc$.board';
}
builtIn.$log.src = '$jc$.log';
builtIn = JXG.merge(builtIn, that._addedBuiltIn);
return builtIn;
},
_addedBuiltIn: {},
addBuiltIn: function (name, func) {
if (Type.exists(this.builtIn)) {
if (Type.exists(this.builtIn[name])) {
return;
}
this.builtIn[name] = func;
this.builtIn[name].src = '$jc$.' + name;
}
if (Type.exists(this._addedBuiltIn[name])) {
return;
}
this._addedBuiltIn[name] = func;
this._addedBuiltIn[name].src = '$jc$.' + name;
JXG.JessieCode.prototype[name] = func;
},
/**
* Returns information about the possible functions and constants.
* @returns {Object}
*/
getPossibleOperands: function () {
var FORBIDDEN = ['E'],
jessiecode = this.builtIn || this.defineBuiltIn(),
math = Math,
jc, ma, merge,
i, j, p, len, e,
funcs, funcsJC, consts, operands,
sort, pack;
sort = function (a, b) {
return a.toLowerCase().localeCompare(b.toLowerCase());
};
pack = function (name, origin) {
var that = null;
if (origin === 'jc') that = jessiecode[name];
else if (origin === 'Math') that = math[name];
else return;
if (FORBIDDEN.indexOf(name) >= 0) {
return;
} else if (JXG.isFunction(that)) {
return {
name: name,
type: 'function',
numParams: that.length,
origin: origin,
};
} else if (JXG.isNumber(that)) {
return {
name: name,
type: 'constant',
value: that,
origin: origin,
};
} else if (name.startsWith('$')) {
// do nothing
} else if (that !== undefined) {
console.error('undefined type', that);
}
};
jc = Object.getOwnPropertyNames(jessiecode).sort(sort);
ma = Object.getOwnPropertyNames(math).sort(sort);
merge = [];
i = 0;
j = 0;
while (i < jc.length || j < ma.length) {
if (jc[i] === ma[j]) {
p = pack(ma[j], 'Math');
if (JXG.exists(p)) merge.push(p);
i++;
j++;
} else if (!JXG.exists(ma[j]) || jc[i].toLowerCase().localeCompare(ma[j].toLowerCase()) < 0) {
p = pack(jc[i], 'jc');
if (JXG.exists(p)) merge.push(p);
i++;
} else {
p = pack(ma[j], 'Math');
if (JXG.exists(p)) merge.push(p);
j++;
}
}
funcs = [];
funcsJC = [];
consts = [];
operands = {};
len = merge.length;
for (i = 0; i < len; i++) {
e = merge[i];
switch (e.type) {
case 'function':
funcs.push(e.name);
if (e.origin === 'jc')
funcsJC.push(e.name);
break;
case 'constant':
consts.push(e.name);
break;
}
operands[e.name] = e;
}
return {
all: operands,
list: merge,
functions: funcs,
functions_jessiecode: funcsJC,
constants: consts,
};
},
/**
* Output a debugging message. Uses debug console, if available. Otherwise an HTML element with the
* id "debug" and an innerText property is used.
* @param {String} log
* @private
*/
_debug: function (log) {
if (typeof console === 'object' && console.log) {
console.log(log);
} else if (Env.isBrowser && document && document.getElementById('debug') !== null) {
document.getElementById('debug').innerText += log + '\n';
}
},
/**
* Throws an exception with the given error message.
* @param {String} msg Error message
*/
_error: function (msg) {
var e = new Error('Error(' + this.line + '): ' + msg);
e.line = this.line;
throw e;
},
/**
* Output a warning message using {@link JXG#debug} and precedes the message with "Warning: ".
* @param {String} msg
*/
_warn: function (msg) {
if (typeof console === 'object' && console.log) {
console.log('Warning(' + this.line + '): ' + msg);
} else if (Env.isBrowser && document && document.getElementById(this.warnLog) !== null) {
document.getElementById(this.warnLog).innerText += 'Warning(' + this.line + '): ' + msg + '\n';
}
},
_log: function (msg) {
if (typeof window !== 'object' && typeof self === 'object' && self.postMessage) {
self.postMessage({ type: 'log', msg: 'Log: ' + msg.toString() });
} else {
console.log('Log: ', arguments);
}
}
});
/* Jison generated parser */
/**
* @class
* @ignore
*/
var parser = (function(){
/**
* @class
* @ignore
*/
var parser = {trace: function trace () { },
yy: {},
symbols_: {"error":2,"Program":3,"StatementList":4,"EOF":5,"IfStatement":6,"IF":7,"(":8,"Expression":9,")":10,"Statement":11,"ELSE":12,"LoopStatement":13,"WHILE":14,"FOR":15,";":16,"DO":17,"UnaryStatement":18,"USE":19,"IDENTIFIER":20,"DELETE":21,"ReturnStatement":22,"RETURN":23,"EmptyStatement":24,"StatementBlock":25,"{":26,"}":27,"ExpressionStatement":28,"AssignmentExpression":29,"ConditionalExpression":30,"LeftHandSideExpression":31,"=":32,"LogicalORExpression":33,"?":34,":":35,"LogicalANDExpression":36,"||":37,"EqualityExpression":38,"&&":39,"RelationalExpression":40,"==":41,"!=":42,"~=":43,"AdditiveExpression":44,"<":45,">":46,"<=":47,">=":48,"MultiplicativeExpression":49,"+":50,"-":51,"UnaryExpression":52,"*":53,"/":54,"%":55,"ExponentExpression":56,"^":57,"!":58,"MemberExpression":59,"CallExpression":60,"PrimaryExpression":61,"FunctionExpression":62,"MapExpression":63,".":64,"[":65,"]":66,"BasicLiteral":67,"ObjectLiteral":68,"ArrayLiteral":69,"NullLiteral":70,"BooleanLiteral":71,"StringLiteral":72,"NumberLiteral":73,"NULL":74,"TRUE":75,"FALSE":76,"STRING":77,"NUMBER":78,"NAN":79,"INFINITY":80,"ElementList":81,"<<":82,">>":83,"PropertyList":84,"Property":85,",":86,"PropertyName":87,"Arguments":88,"AttributeList":89,"Attribute":90,"FUNCTION":91,"ParameterDefinitionList":92,"MAP":93,"->":94,"$accept":0,"$end":1},
terminals_: {2:"error",5:"EOF",7:"IF",8:"(",10:")",12:"ELSE",14:"WHILE",15:"FOR",16:";",17:"DO",19:"USE",20:"IDENTIFIER",21:"DELETE",23:"RETURN",26:"{",27:"}",32:"=",34:"?",35:":",37:"||",39:"&&",41:"==",42:"!=",43:"~=",45:"<",46:">",47:"<=",48:">=",50:"+",51:"-",53:"*",54:"/",55:"%",57:"^",58:"!",64:".",65:"[",66:"]",74:"NULL",75:"TRUE",76:"FALSE",77:"STRING",78:"NUMBER",79:"NAN",80:"INFINITY",82:"<<",83:">>",86:",",91:"FUNCTION",93:"MAP",94:"->"},
productions_: [0,[3,2],[6,5],[6,7],[13,5],[13,9],[13,7],[18,2],[18,2],[22,2],[22,3],[24,1],[25,3],[4,2],[4,0],[11,1],[11,1],[11,1],[11,1],[11,1],[11,1],[11,1],[28,2],[9,1],[29,1],[29,3],[30,1],[30,5],[33,1],[33,3],[36,1],[36,3],[38,1],[38,3],[38,3],[38,3],[40,1],[40,3],[40,3],[40,3],[40,3],[44,1],[44,3],[44,3],[49,1],[49,3],[49,3],[49,3],[56,1],[56,3],[52,1],[52,2],[52,2],[52,2],[31,1],[31,1],[59,1],[59,1],[59,1],[59,3],[59,4],[61,1],[61,1],[61,1],[61,1],[61,3],[67,1],[67,1],[67,1],[67,1],[70,1],[71,1],[71,1],[72,1],[73,1],[73,1],[73,1],[69,2],[69,3],[68,2],[68,3],[84,1],[84,3],[85,3],[87,1],[87,1],[87,1],[60,2],[60,3],[60,2],[60,4],[60,3],[88,2],[88,3],[89,1],[89,3],[90,1],[90,1],[81,1],[81,3],[62,4],[62,5],[63,5],[63,6],[92,1],[92,3]],
/**
* @class
* @ignore
*/
performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$
) {
var $0 = $$.length - 1;
switch (yystate) {
case 1: return $$[$0-1];
break;
case 2: this.$ = AST.createNode(lc(_$[$0-4]), 'node_op', 'op_if', $$[$0-2], $$[$0]);
break;
case 3: this.$ = AST.createNode(lc(_$[$0-6]), 'node_op', 'op_if_else', $$[$0-4], $$[$0-2], $$[$0]);
break;
case 4: this.$ = AST.createNode(lc(_$[$0-4]), 'node_op', 'op_while', $$[$0-2], $$[$0]);
break;
case 5: this.$ = AST.createNode(lc(_$[$0-8]), 'node_op', 'op_for', $$[$0-6], $$[$0-4], $$[$0-2], $$[$0]);
break;
case 6: this.$ = AST.createNode(lc(_$[$0-6]), 'node_op', 'op_do', $$[$0-5], $$[$0-2]);
break;
case 7: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_use', $$[$0]);
break;
case 8: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_delete', $$[$0]);
break;
case 9: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_return', undefined);
break;
case 10: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_return', $$[$0-1]);
break;
case 11: this.$ = AST.createNode(lc(_$[$0]), 'node_op', 'op_none');
break;
case 12: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_block', $$[$0-1]);
break;
case 13: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_none', $$[$0-1], $$[$0]);
break;
case 14: this.$ = AST.createNode(lc(_$[$0]), 'node_op', 'op_none');
break;
case 15: this.$ = $$[$0];
break;
case 16: this.$ = $$[$0];
break;
case 17: this.$ = $$[$0];
break;
case 18: this.$ = $$[$0];
break;
case 19: this.$ = $$[$0];
break;
case 20: this.$ = $$[$0];
break;
case 21: this.$ = $$[$0];
break;
case 22: this.$ = $$[$0-1];
break;
case 23: this.$ = $$[$0];
break;
case 24: this.$ = $$[$0];
break;
case 25: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_assign', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 26: this.$ = $$[$0];
break;
case 27: this.$ = AST.createNode(lc(_$[$0-4]), 'node_op', 'op_conditional', $$[$0-4], $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 28: this.$ = $$[$0];
break;
case 29: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_or', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 30: this.$ = $$[$0];
break;
case 31: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_and', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 32: this.$ = $$[$0];
break;
case 33: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_eq', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 34: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_neq', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 35: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_approx', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 36: this.$ = $$[$0];
break;
case 37: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_lt', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 38: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_gt', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 39: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_leq', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 40: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_geq', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 41: this.$ = $$[$0];
break;
case 42: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_add', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 43: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_sub', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 44: this.$ = $$[$0];
break;
case 45: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_mul', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 46: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_div', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 47: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_mod', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 48: this.$ = $$[$0];
break;
case 49: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_exp', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 50: this.$ = $$[$0];
break;
case 51: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_not', $$[$0]); this.$.isMath = false;
break;
case 52: this.$ = $$[$0];
break;
case 53: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_neg', $$[$0]); this.$.isMath = true;
break;
case 54: this.$ = $$[$0];
break;
case 55: this.$ = $$[$0];
break;
case 56: this.$ = $$[$0];
break;
case 57: this.$ = $$[$0]; this.$.isMath = false;
break;
case 58: this.$ = $$[$0];
break;
case 59: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_property', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 60: this.$ = AST.createNode(lc(_$[$0-3]), 'node_op', 'op_extvalue', $$[$0-3], $$[$0-1]); this.$.isMath = true;
break;
case 61: this.$ = AST.createNode(lc(_$[$0]), 'node_var', $$[$0]);
break;
case 62: this.$ = $$[$0];
break;
case 63: this.$ = $$[$0]; this.$.isMath = false;
break;
case 64: this.$ = $$[$0]; this.$.isMath = false;
break;
case 65: this.$ = $$[$0-1];
break;
case 66: this.$ = $$[$0]; this.$.isMath = false;
break;
case 67: this.$ = $$[$0]; this.$.isMath = false;
break;
case 68: this.$ = $$[$0]; this.$.isMath = false;
break;
case 69: this.$ = $$[$0]; this.$.isMath = true;
break;
case 70: this.$ = AST.createNode(lc(_$[$0]), 'node_const', null);
break;
case 71: this.$ = AST.createNode(lc(_$[$0]), 'node_const_bool', true);
break;
case 72: this.$ = AST.createNode(lc(_$[$0]), 'node_const_bool', false);
break;
case 73: this.$ = AST.createNode(lc(_$[$0]), 'node_str', $$[$0].substring(1, $$[$0].length - 1));
break;
case 74: this.$ = AST.createNode(lc(_$[$0]), 'node_const', parseFloat($$[$0]));
break;
case 75: this.$ = AST.createNode(lc(_$[$0]), 'node_const', NaN);
break;
case 76: this.$ = AST.createNode(lc(_$[$0]), 'node_const', Infinity);
break;
case 77: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_array', []);
break;
case 78: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_array', $$[$0-1]);
break;
case 79: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_emptyobject', {}); this.$.needsAngleBrackets = true;
break;
case 80: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_proplst_val', $$[$0-1]); this.$.needsAngleBrackets = true;
break;
case 81: this.$ = $$[$0];
break;
case 82: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_proplst', $$[$0-2], $$[$0]);
break;
case 83: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_prop', $$[$0-2], $$[$0]);
break;
case 84: this.$ = $$[$0];
break;
case 85: this.$ = $$[$0];
break;
case 86: this.$ = $$[$0];
break;
case 87: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_execfun', $$[$0-1], $$[$0]); this.$.isMath = true;
break;
case 88: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_execfun', $$[$0-2], $$[$0-1], $$[$0], true); this.$.isMath = false;
break;
case 89: this.$ = AST.createNode(lc(_$[$0-1]), 'node_op', 'op_execfun', $$[$0-1], $$[$0]); this.$.isMath = true;
break;
case 90: this.$ = AST.createNode(lc(_$[$0-3]), 'node_op', 'op_extvalue', $$[$0-3], $$[$0-1]); this.$.isMath = true;
break;
case 91: this.$ = AST.createNode(lc(_$[$0-2]), 'node_op', 'op_property', $$[$0-2], $$[$0]); this.$.isMath = true;
break;
case 92: this.$ = [];
break;
case 93: this.$ = $$[$0-1];
break;
case 94: this.$ = [$$[$0]];
break;
case 95: this.$ = $$[$0-2].concat($$[$0]);
break;
case 96: this.$ = AST.createNode(lc(_$[$0]), 'node_var', $$[$0]); this.$.isMath = true;
break;
case 97: this.$ = $$[$0]; this.$.isMath = false;
break;
case 98: this.$ = [$$[$0]];
break;
case 99: this.$ = $$[$0-2].concat($$[$0]);
break;
case 100: this.$ = AST.createNode(lc(_$[$0-3]), 'node_op', 'op_function', [], $$[$0]); this.$.isMath = false;
break;
case 101: this.$ = AST.createNode(lc(_$[$0-4]), 'node_op', 'op_function', $$[$0-2], $$[$0]); this.$.isMath = false;
break;
case 102: this.$ = AST.createNode(lc(_$[$0-4]), 'node_op', 'op_map', [], $$[$0]);
break;
case 103: this.$ = AST.createNode(lc(_$[$0-5]), 'node_op', 'op_map', $$[$0-3], $$[$0]);
break;
case 104: this.$ = [$$[$0]];
break;
case 105: this.$ = $$[$0-2].concat($$[$0]);
break;
}
},
table: 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65:[2,93],66:[2,93],82:[2,93],83:[2,93],86:[2,93]},{8:[2,90],10:[2,90],16:[2,90],32:[2,90],34:[2,90],35:[2,90],37:[2,90],39:[2,90],41:[2,90],42:[2,90],43:[2,90],45:[2,90],46:[2,90],47:[2,90],48:[2,90],50:[2,90],51:[2,90],53:[2,90],54:[2,90],55:[2,90],57:[2,90],64:[2,90],65:[2,90],66:[2,90],83:[2,90],86:[2,90]},{8:[2,100],10:[2,100],16:[2,100],32:[2,100],34:[2,100],35:[2,100],37:[2,100],39:[2,100],41:[2,100],42:[2,100],43:[2,100],45:[2,100],46:[2,100],47:[2,100],48:[2,100],50:[2,100],51:[2,100],53:[2,100],54:[2,100],55:[2,100],57:[2,100],64:[2,100],65:[2,100],66:[2,100],83:[2,100],86:[2,100]},{25:179,26:[1,12]},{20:[1,180]},{8:[1,37],9:181,20:[1,33],29:22,30:23,31:24,33:25,36:28,38:32,40:40,44:47,49:55,50:[1,59],51:[1,60],52:56,56:57,58:[1,58],59:26,60:27,61:29,62:30,63:31,65:[1,46],67:34,68:35,69:36,70:41,71:42,72:43,73:44,74:[1,48],75:[1,49],76:[1,50],77:[1,51],78:[1,52],79:[1,53],80:[1,54],82:[1,45],91:[1,38],93:[1,39]},{94:[1,182]},{83:[2,82],86:[2,82]},{83:[2,83],86:[2,83]},{10:[2,99],66:[2,99],86:[2,99]},{5:[2,2],7:[2,2],8:[2,2],12:[1,183],14:[2,2],15:[2,2],16:[2,2],17:[2,2],19:[2,2],20:[2,2],21:[2,2],23:[2,2],26:[2,2],27:[2,2],50:[2,2],51:[2,2],58:[2,2],65:[2,2],74:[2,2],75:[2,2],76:[2,2],77:[2,2],78:[2,2],79:[2,2],80:[2,2],82:[2,2],91:[2,2],93:[2,2]},{5:[2,4],7:[2,4],8:[2,4],12:[2,4],14:[2,4],15:[2,4],16:[2,4],17:[2,4],19:[2,4],20:[2,4],21:[2,4],23:[2,4],26:[2,4],27:[2,4],50:[2,4],51:[2,4],58:[2,4],65:[2,4],74:[2,4],75:[2,4],76:[2,4],77:[2,4],78:[2,4],79:[2,4],80:[2,4],82:[2,4],91:[2,4],93:[2,4]},{16:[1,184]},{10:[1,185]},{8:[2,27],10:[2,27],16:[2,27],32:[2,27],34:[2,27],35:[2,27],37:[2,27],39:[2,27],41:[2,27],42:[2,27],43:[2,27],45:[2,27],46:[2,27],47:[2,27],48:[2,27],50:[2,27],51:[2,27],53:[2,27],54:[2,27],55:[2,27],57:[2,27],64:[2,27],65:[2,27],66:[2,27],83:[2,27],86:[2,27]},{8:[2,95],10:[2,95],16:[2,95],32:[2,95],34:[2,95],35:[2,95],37:[2,95],39:[2,95],41:[2,95],42:[2,95],43:[2,95],45:[2,95],46:[2,95],47:[2,95],48:[2,95],50:[2,95],51:[2,95],53:[2,95],54:[2,95],55:[2,95],57:[2,95],64:[2,95],65:[2,95],66:[2,95],83:[2,95],86:[2,95]},{8:[2,101],10:[2,101],16:[2,101],32:[2,101],34:[2,101],35:[2,101],37:[2,101],39:[2,101],41:[2,101],42:[2,101],43:[2,101],45:[2,101],46:[2,101],47:[2,101],48:[2,101],50:[2,101],51:[2,101],53:[2,101],54:[2,101],55:[2,101],57:[2,101],64:[2,101],65:[2,101],66:[2,101],83:[2,101],86:[2,101]},{10:[2,105],86:[2,105]},{8:[2,102],10:[2,102],16:[2,102],32:[2,102],34:[2,102],35:[2,102],37:[2,102],39:[2,102],41:[2,102],42:[2,102],43:[2,102],45:[2,102],46:[2,102],47:[2,102],48:[2,102],50:[2,102],51:[2,102],53:[2,102],54:[2,102],55:[2,102],57:[2,102],64:[2,102],65:[2,102],66:[2,102],83:[2,102],86:[2,102]},{8:[1,37],9:186,20:[1,33],29:22,30:23,31:24,33:25,36:28,38:32,40:40,44:47,49:55,50:[1,59],51:[1,60],52:56,56:57,58:[1,58],59:26,60:27,61:29,62:30,63:31,65:[1,46],67:34,68:35,69:36,70:41,71:42,72:43,73:44,74:[1,48],75:[1,49],76:[1,50],77:[1,51],78:[1,52],79:[1,53],80:[1,54],82:[1,45],91:[1,38],93:[1,39]},{6:6,7:[1,13],8:[1,37],9:20,11:187,13:7,14:[1,14],15:[1,15],16:[1,21],17:[1,16],18:8,19:[1,17],20:[1,33],21:[1,18],22:9,23:[1,19],24:11,25:5,26:[1,12],28:10,29:22,30:23,31:24,33:25,36:28,38:32,40:40,44:47,49:55,50:[1,59],51:[1,60],52:56,56:57,58:[1,58],59:26,60:27,61:29,62:30,63:31,65:[1,46],67:34,68:35,69:36,70:41,71:42,72:43,73:44,74:[1,48],75:[1,49],76:[1,50],77:[1,51],78:[1,52],79:[1,53],80:[1,54],82:[1,45],91:[1,38],93:[1,39]},{8:[1,37],9:188,20:[1,33],29:22,30:23,31:24,33:25,36:28,38:32,40:40,44:47,49:55,50:[1,59],51:[1,60],52:56,56:57,58:[1,58],59:26,60:27,61:29,62:30,63:31,65:[1,46],67:34,68:35,69:36,70:41,71:42,72:43,73:44,74:[1,48],75:[1,49],76:[1,50],77:[1,51],78:[1,52],79:[1,53],80:[1,54],82:[1,45],91:[1,38],93:[1,39]},{16:[1,189]},{8:[2,103],10:[2,103],16:[2,103],32:[2,103],34:[2,103],35:[2,103],37:[2,103],39:[2,103],41:[2,103],42:[2,103],43:[2,103],45:[2,103],46:[2,103],47:[2,103],48:[2,103],50:[2,103],51:[2,103],53:[2,103],54:[2,103],55:[2,103],57:[2,103],64:[2,103],65:[2,103],66:[2,103],83:[2,103],86:[2,103]},{5:[2,3],7:[2,3],8:[2,3],12:[2,3],14:[2,3],15:[2,3],16:[2,3],17:[2,3],19:[2,3],20:[2,3],21:[2,3],23:[2,3],26:[2,3],27:[2,3],50:[2,3],51:[2,3],58:[2,3],65:[2,3],74:[2,3],75:[2,3],76:[2,3],77:[2,3],78:[2,3],79:[2,3],80:[2,3],82:[2,3],91:[2,3],93:[2,3]},{10:[1,190]},{5:[2,6],7:[2,6],8:[2,6],12:[2,6],14:[2,6],15:[2,6],16:[2,6],17:[2,6],19:[2,6],20:[2,6],21:[2,6],23:[2,6],26:[2,6],27:[2,6],50:[2,6],51:[2,6],58:[2,6],65:[2,6],74:[2,6],75:[2,6],76:[2,6],77:[2,6],78:[2,6],79:[2,6],80:[2,6],82:[2,6],91:[2,6],93:[2,6]},{6:6,7:[1,13],8:[1,37],9:20,11:191,13:7,14:[1,14],15:[1,15],16:[1,21],17:[1,16],18:8,19:[1,17],20:[1,33],21:[1,18],22:9,23:[1,19],24:11,25:5,26:[1,12],28:10,29:22,30:23,31:24,33:25,36:28,38:32,40:40,44:47,49:55,50:[1,59],51:[1,60],52:56,56:57,58:[1,58],59:26,60:27,61:29,62:30,63:31,65:[1,46],67:34,68:35,69:36,70:41,71:42,72:43,73:44,74:[1,48],75:[1,49],76:[1,50],77:[1,51],78:[1,52],79:[1,53],80:[1,54],82:[1,45],91:[1,38],93:[1,39]},{5:[2,5],7:[2,5],8:[2,5],12:[2,5],14:[2,5],15:[2,5],16:[2,5],17:[2,5],19:[2,5],20:[2,5],21:[2,5],23:[2,5],26:[2,5],27:[2,5],50:[2,5],51:[2,5],58:[2,5],65:[2,5],74:[2,5],75:[2,5],76:[2,5],77:[2,5],78:[2,5],79:[2,5],80:[2,5],82:[2,5],91:[2,5],93:[2,5]}],
defaultActions: {3:[2,1],97:[2,84],98:[2,85],99:[2,86]},
parseError: function parseError (str, hash) {
throw new Error(str);
},
/**
* @class
* @ignore
*/
parse: function parse(input) {
var self = this, stack = [0], vstack = [null], lstack = [], table = this.table, yytext = "", yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
this.lexer.setInput(input);
this.lexer.yy = this.yy;
this.yy.lexer = this.lexer;
this.yy.parser = this;
if (typeof this.lexer.yylloc == "undefined")
this.lexer.yylloc = {};
var yyloc = this.lexer.yylloc;
lstack.push(yyloc);
var ranges = this.lexer.options && this.lexer.options.ranges;
if (typeof this.yy.parseError === "function")
this.parseError = this.yy.parseError;
function popStack(n) {
stack.length = stack.length - 2 * n;
vstack.length = vstack.length - n;
lstack.length = lstack.length - n;
}
function lex() {
var token;
token = self.lexer.lex() || 1;
if (typeof token !== "number") {
token = self.symbols_[token] || token;
}
return token;
}
var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
while (true) {
state = stack[stack.length - 1];
if (this.defaultActions[state]) {
action = this.defaultActions[state];
} else {
if (symbol === null || typeof symbol == "undefined") {
symbol = lex();
}
action = table[state] && table[state][symbol];
}
if (typeof action === "undefined" || !action.length || !action[0]) {
var errStr = "";
if (!recovering) {
expected = [];
for (p in table[state])
if (this.terminals_[p] && p > 2) {
expected.push("'" + this.terminals_[p] + "'");
}
if (this.lexer.showPosition) {
errStr = "Parse error on line " + (yylineno + 1) + ":\n" + this.lexer.showPosition() + "\nExpecting " + expected.join(", ") + ", got '" + (this.terminals_[symbol] || symbol) + "'";
} else {
errStr = "Parse error on line " + (yylineno + 1) + ": Unexpected " + (symbol == 1?"end of input":"'" + (this.terminals_[symbol] || symbol) + "'");
}
this.parseError(errStr, {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
}
}
if (action[0] instanceof Array && action.length > 1) {
throw new Error("Parse Error: multiple actions possible at state: " + state + ", token: " + symbol);
}
switch (action[0]) {
case 1:
stack.push(symbol);
vstack.push(this.lexer.yytext);
lstack.push(this.lexer.yylloc);
stack.push(action[1]);
symbol = null;
if (!preErrorSymbol) {
yyleng = this.lexer.yyleng;
yytext = this.lexer.yytext;
yylineno = this.lexer.yylineno;
yyloc = this.lexer.yylloc;
if (recovering > 0)
recovering--;
} else {
symbol = preErrorSymbol;
preErrorSymbol = null;
}
break;
case 2:
len = this.productions_[action[1]][1];
yyval.$ = vstack[vstack.length - len];
yyval._$ = {first_line: lstack[lstack.length - (len || 1)].first_line, last_line: lstack[lstack.length - 1].last_line, first_column: lstack[lstack.length - (len || 1)].first_column, last_column: lstack[lstack.length - 1].last_column};
if (ranges) {
yyval._$.range = [lstack[lstack.length - (len || 1)].range[0], lstack[lstack.length - 1].range[1]];
}
r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
if (typeof r !== "undefined") {
return r;
}
if (len) {
stack = stack.slice(0, -1 * len * 2);
vstack = vstack.slice(0, -1 * len);
lstack = lstack.slice(0, -1 * len);
}
stack.push(this.productions_[action[1]][0]);
vstack.push(yyval.$);
lstack.push(yyval._$);
newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
stack.push(newState);
break;
case 3:
return true;
}
}
return true;
}
};
var AST = {
node: function (type, value, children) {
return {
type: type,
value: value,
children: children
};
},
createNode: function (pos, type, value, children) {
var i,
n = this.node(type, value, []);
for (i = 3; i < arguments.length; i++) {
n.children.push(arguments[i]);
}
n.line = pos[0];
n.col = pos[1];
n.eline = pos[2];
n.ecol = pos[3];
return n;
}
};
var lc = function (lc1) {
return [lc1.first_line, lc1.first_column, lc1.last_line, lc1.last_column];
};
/* Jison generated lexer */
var lexer = (function(){
var lexer = ({EOF:1,
parseError:function parseError(str, hash) {
if (this.yy.parser) {
this.yy.parser.parseError(str, hash);
} else {
throw new Error(str);
}
},
setInput:function (input) {
this._input = input;
this._more = this._less = this.done = false;
this.yylineno = this.yyleng = 0;
this.yytext = this.matched = this.match = '';
this.conditionStack = ['INITIAL'];
this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
if (this.options.ranges) this.yylloc.range = [0,0];
this.offset = 0;
return this;
},
input:function () {
var ch = this._input[0];
this.yytext += ch;
this.yyleng++;
this.offset++;
this.match += ch;
this.matched += ch;
var lines = ch.match(/(?:\r\n?|\n).*/g);
if (lines) {
this.yylineno++;
this.yylloc.last_line++;
} else {
this.yylloc.last_column++;
}
if (this.options.ranges) this.yylloc.range[1]++;
this._input = this._input.slice(1);
return ch;
},
unput:function (ch) {
var len = ch.length;
var lines = ch.split(/(?:\r\n?|\n)/g);
this._input = ch + this._input;
this.yytext = this.yytext.substr(0, this.yytext.length-len-1);
//this.yyleng -= len;
this.offset -= len;
var oldLines = this.match.split(/(?:\r\n?|\n)/g);
this.match = this.match.substr(0, this.match.length-1);
this.matched = this.matched.substr(0, this.matched.length-1);
if (lines.length-1) this.yylineno -= lines.length-1;
var r = this.yylloc.range;
this.yylloc = {first_line: this.yylloc.first_line,
last_line: this.yylineno+1,
first_column: this.yylloc.first_column,
last_column: lines ?
(lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length:
this.yylloc.first_column - len
};
if (this.options.ranges) {
this.yylloc.range = [r[0], r[0] + this.yyleng - len];
}
return this;
},
more:function () {
this._more = true;
return this;
},
less:function (n) {
this.unput(this.match.slice(n));
},
pastInput:function () {
var past = this.matched.substr(0, this.matched.length - this.match.length);
return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
},
upcomingInput:function () {
var next = this.match;
if (next.length < 20) {
next += this._input.substr(0, 20-next.length);
}
return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
},
showPosition:function () {
var pre = this.pastInput();
var c = new Array(pre.length + 1).join("-");
return pre + this.upcomingInput() + "\n" + c+"^";
},
next:function () {
if (this.done) {
return this.EOF;
}
if (!this._input) this.done = true;
var token,
match,
tempMatch,
index,
col,
lines;
if (!this._more) {
this.yytext = '';
this.match = '';
}
var rules = this._currentRules();
for (var i=0;i < rules.length; i++) {
tempMatch = this._input.match(this.rules[rules[i]]);
if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
match = tempMatch;
index = i;
if (!this.options.flex) break;
}
}
if (match) {
lines = match[0].match(/(?:\r\n?|\n).*/g);
if (lines) this.yylineno += lines.length;
this.yylloc = {first_line: this.yylloc.last_line,
last_line: this.yylineno+1,
first_column: this.yylloc.last_column,
last_column: lines ? lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length};
this.yytext += match[0];
this.match += match[0];
this.matches = match;
this.yyleng = this.yytext.length;
if (this.options.ranges) {
this.yylloc.range = [this.offset, this.offset += this.yyleng];
}
this._more = false;
this._input = this._input.slice(match[0].length);
this.matched += match[0];
token = this.performAction.call(this, this.yy, this, rules[index],this.conditionStack[this.conditionStack.length-1]);
if (this.done && this._input) this.done = false;
if (token) return token;
else return;
}
if (this._input === "") {
return this.EOF;
} else {
return this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
{text: "", token: null, line: this.yylineno});
}
},
lex:function lex () {
var r = this.next();
if (typeof r !== 'undefined') {
return r;
} else {
return this.lex();
}
},
begin:function begin (condition) {
this.conditionStack.push(condition);
},
popState:function popState () {
return this.conditionStack.pop();
},
_currentRules:function _currentRules () {
return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
},
topState:function () {
return this.conditionStack[this.conditionStack.length-2];
},
pushState:function begin (condition) {
this.begin(condition);
}});
lexer.options = {};
lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START
) {
var YYSTATE=YY_START
switch($avoiding_name_collisions) {
case 0:/* ignore */
break;
case 1:return 78 /* New 123.1234e+-12 */
break;
case 2:return 78 /* Old 123.1234 or .1234 */
break;
case 3:return 78 /* Old 123 */
break;
case 4: return 77;
break;
case 5: return 77;
break;
case 6:/* ignore comment */
break;
case 7:/* ignore multiline comment */
break;
case 8:return 7
break;
case 9:return 12
break;
case 10:return 14
break;
case 11:return 17
break;
case 12:return 15
break;
case 13:return 91
break;
case 14:return 93
break;
case 15:return 19
break;
case 16:return 23
break;
case 17:return 21
break;
case 18:return 75
break;
case 19:return 76
break;
case 20:return 74
break;
case 21:return 80
break;
case 22:return 94
break;
case 23:return 94
break;
case 24:return 82
break;
case 25:return 83
break;
case 26:return 26
break;
case 27:return 27
break;
case 28:return 16
break;
case 29:return '#'
break;
case 30:return 34
break;
case 31:return 35
break;
case 32:return 79
break;
case 33:return 64
break;
case 34:return 65
break;
case 35:return 66
break;
case 36:return 8
break;
case 37:return 10
break;
case 38:return 58
break;
case 39:return 57
break;
case 40:return 57
break;
case 41:return 53
break;
case 42:return 54
break;
case 43:return 55
break;
case 44:return 50
break;
case 45:return 51
break;
case 46:return 47
break;
case 47:return 45
break;
case 48:return 48
break;
case 49:return 46
break;
case 50:return 41
break;
case 51:return 43
break;
case 52:return 42
break;
case 53:return 39
break;
case 54:return 37
break;
case 55:return 32
break;
case 56:return 86
break;
case 57:return 5
break;
case 58:return 20
break;
case 59:return 'INVALID'
break;
}
};
lexer.rules = [/^(?:\s+)/,/^(?:[0-9]*\.?[0-9]+([eE][-+]?[0-9]+))/,/^(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+\b)/,/^(?:[0-9]+)/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:\/\/.*)/,/^(?:\/\*(.|\n|\r)*?\*\/)/,/^(?:if\b)/,/^(?:else\b)/,/^(?:while\b)/,/^(?:do\b)/,/^(?:for\b)/,/^(?:function\b)/,/^(?:map\b)/,/^(?:use\b)/,/^(?:return\b)/,/^(?:delete\b)/,/^(?:true\b)/,/^(?:false\b)/,/^(?:null\b)/,/^(?:Infinity\b)/,/^(?:->)/,/^(?:=>)/,/^(?:<<)/,/^(?:>>)/,/^(?:\{)/,/^(?:\})/,/^(?:;)/,/^(?:#)/,/^(?:\?)/,/^(?::)/,/^(?:NaN\b)/,/^(?:\.)/,/^(?:\[)/,/^(?:\])/,/^(?:\()/,/^(?:\))/,/^(?:!)/,/^(?:\^)/,/^(?:\*\*)/,/^(?:\*)/,/^(?:\/)/,/^(?:%)/,/^(?:\+)/,/^(?:-)/,/^(?:<=)/,/^(?:<)/,/^(?:>=)/,/^(?:>)/,/^(?:==)/,/^(?:~=)/,/^(?:!=)/,/^(?:&&)/,/^(?:\|\|)/,/^(?:=)/,/^(?:,)/,/^(?:$)/,/^(?:[A-Za-z_\$][A-Za-z0-9_]*)/,/^(?:.)/];
lexer.conditions = {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59],"inclusive":true}};
return lexer;})()
parser.lexer = lexer;
/**
* @class
* @ignore
*/
function Parser () { this.yy = {}; }Parser.prototype = parser;parser.Parser = Parser;
return new Parser;
})();
// Work around an issue with browsers that don't support Object.getPrototypeOf()
parser.yy.parseError = parser.parseError;
export default JXG.JessieCode;