1 | import { factory } from '../../utils/factory';
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2 | var name = 'parser';
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3 | var dependencies = ['typed', 'Parser'];
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4 | export var createParser =
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5 | /* #__PURE__ */
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6 | factory(name, dependencies, function (_ref) {
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7 | var typed = _ref.typed,
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8 | Parser = _ref.Parser;
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9 |
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10 | /**
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11 | * Create a parser. The function creates a new `math.Parser` object.
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12 | *
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13 | * Syntax:
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14 | *
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15 | * math.parser()
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16 | *
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17 | * Examples:
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18 | *
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19 | * const parser = new math.parser()
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20 | *
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21 | * // evaluate expressions
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22 | * const a = parser.evaluate('sqrt(3^2 + 4^2)') // 5
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23 | * const b = parser.evaluate('sqrt(-4)') // 2i
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24 | * const c = parser.evaluate('2 inch in cm') // 5.08 cm
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25 | * const d = parser.evaluate('cos(45 deg)') // 0.7071067811865476
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26 | *
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27 | * // define variables and functions
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28 | * parser.evaluate('x = 7 / 2') // 3.5
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29 | * parser.evaluate('x + 3') // 6.5
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30 | * parser.evaluate('function f(x, y) = x^y') // f(x, y)
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31 | * parser.evaluate('f(2, 3)') // 8
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32 | *
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33 | * // get and set variables and functions
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34 | * const x = parser.get('x') // 7
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35 | * const f = parser.get('f') // function
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36 | * const g = f(3, 2) // 9
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37 | * parser.set('h', 500)
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38 | * const i = parser.evaluate('h / 2') // 250
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39 | * parser.set('hello', function (name) {
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40 | * return 'hello, ' + name + '!'
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41 | * })
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42 | * parser.evaluate('hello("user")') // "hello, user!"
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43 | *
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44 | * // clear defined functions and variables
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45 | * parser.clear()
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46 | *
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47 | * See also:
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48 | *
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49 | * evaluate, compile, parse
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50 | *
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51 | * @return {Parser} Parser
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52 | */
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53 | return typed(name, {
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54 | '': function _() {
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55 | return new Parser();
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56 | }
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57 | });
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58 | }); |
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