1 | "use strict";
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2 |
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3 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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4 | Object.defineProperty(exports, "__esModule", {
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5 | value: true
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6 | });
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7 | exports.createParse = void 0;
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8 | var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
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9 | var _factory = require("../utils/factory.js");
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10 | var _is = require("../utils/is.js");
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11 | var _collection = require("../utils/collection.js");
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12 | var _object = require("../utils/object.js");
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13 | var name = 'parse';
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14 | var dependencies = ['typed', 'numeric', 'config', 'AccessorNode', 'ArrayNode', 'AssignmentNode', 'BlockNode', 'ConditionalNode', 'ConstantNode', 'FunctionAssignmentNode', 'FunctionNode', 'IndexNode', 'ObjectNode', 'OperatorNode', 'ParenthesisNode', 'RangeNode', 'RelationalNode', 'SymbolNode'];
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15 | var createParse = (0, _factory.factory)(name, dependencies, function (_ref) {
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16 | var typed = _ref.typed,
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17 | numeric = _ref.numeric,
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18 | config = _ref.config,
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19 | AccessorNode = _ref.AccessorNode,
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20 | ArrayNode = _ref.ArrayNode,
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21 | AssignmentNode = _ref.AssignmentNode,
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22 | BlockNode = _ref.BlockNode,
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23 | ConditionalNode = _ref.ConditionalNode,
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24 | ConstantNode = _ref.ConstantNode,
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25 | FunctionAssignmentNode = _ref.FunctionAssignmentNode,
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26 | FunctionNode = _ref.FunctionNode,
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27 | IndexNode = _ref.IndexNode,
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28 | ObjectNode = _ref.ObjectNode,
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29 | OperatorNode = _ref.OperatorNode,
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30 | ParenthesisNode = _ref.ParenthesisNode,
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31 | RangeNode = _ref.RangeNode,
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32 | RelationalNode = _ref.RelationalNode,
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33 | SymbolNode = _ref.SymbolNode;
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34 | |
35 |
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36 |
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37 |
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38 |
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56 |
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57 |
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58 |
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59 |
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 |
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68 |
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69 |
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70 |
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71 |
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72 |
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73 | var parse = typed(name, {
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74 | string: function string(expression) {
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75 | return parseStart(expression, {});
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76 | },
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77 | 'Array | Matrix': function ArrayMatrix(expressions) {
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78 | return parseMultiple(expressions, {});
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79 | },
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80 | 'string, Object': function stringObject(expression, options) {
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81 | var extraNodes = options.nodes !== undefined ? options.nodes : {};
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82 | return parseStart(expression, extraNodes);
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83 | },
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84 | 'Array | Matrix, Object': parseMultiple
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85 | });
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86 | function parseMultiple(expressions) {
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87 | var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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88 | var extraNodes = options.nodes !== undefined ? options.nodes : {};
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89 |
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90 |
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91 | return (0, _collection.deepMap)(expressions, function (elem) {
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92 | if (typeof elem !== 'string') throw new TypeError('String expected');
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93 | return parseStart(elem, extraNodes);
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94 | });
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95 | }
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96 |
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97 |
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98 | var TOKENTYPE = {
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99 | NULL: 0,
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100 | DELIMITER: 1,
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101 | NUMBER: 2,
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102 | SYMBOL: 3,
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103 | UNKNOWN: 4
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104 | };
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105 |
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106 |
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107 | var DELIMITERS = {
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108 | ',': true,
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109 | '(': true,
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110 | ')': true,
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111 | '[': true,
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112 | ']': true,
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113 | '{': true,
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114 | '}': true,
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115 | '"': true,
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116 | '\'': true,
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117 | ';': true,
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118 | '+': true,
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119 | '-': true,
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120 | '*': true,
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121 | '.*': true,
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122 | '/': true,
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123 | './': true,
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124 | '%': true,
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125 | '^': true,
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126 | '.^': true,
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127 | '~': true,
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128 | '!': true,
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129 | '&': true,
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130 | '|': true,
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131 | '^|': true,
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132 | '=': true,
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133 | ':': true,
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134 | '?': true,
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135 | '==': true,
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136 | '!=': true,
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137 | '<': true,
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138 | '>': true,
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139 | '<=': true,
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140 | '>=': true,
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141 | '<<': true,
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142 | '>>': true,
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143 | '>>>': true
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144 | };
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145 |
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146 |
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147 | var NAMED_DELIMITERS = {
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148 | mod: true,
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149 | to: true,
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150 | "in": true,
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151 | and: true,
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152 | xor: true,
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153 | or: true,
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154 | not: true
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155 | };
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156 | var CONSTANTS = {
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157 | "true": true,
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158 | "false": false,
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159 | "null": null,
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160 | undefined: undefined
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161 | };
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162 | var NUMERIC_CONSTANTS = ['NaN', 'Infinity'];
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163 | function initialState() {
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164 | return {
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165 | extraNodes: {},
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166 |
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167 | expression: '',
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168 |
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169 | comment: '',
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170 |
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171 | index: 0,
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172 |
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173 | token: '',
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174 |
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175 | tokenType: TOKENTYPE.NULL,
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176 |
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177 | nestingLevel: 0,
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178 |
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179 | conditionalLevel: null
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180 | };
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181 | }
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182 |
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183 | |
184 |
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185 |
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186 |
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187 |
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188 |
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189 |
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190 |
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191 | function currentString(state, length) {
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192 | return state.expression.substr(state.index, length);
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193 | }
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194 |
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195 | |
196 |
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197 |
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198 |
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199 |
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200 |
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201 |
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202 | function currentCharacter(state) {
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203 | return currentString(state, 1);
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204 | }
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205 |
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206 | |
207 |
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208 |
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209 |
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210 |
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211 |
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212 | function next(state) {
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213 | state.index++;
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214 | }
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215 |
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216 | |
217 |
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218 |
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219 |
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220 |
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221 | function prevCharacter(state) {
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222 | return state.expression.charAt(state.index - 1);
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223 | }
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224 |
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225 | |
226 |
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227 |
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228 |
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229 |
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230 | function nextCharacter(state) {
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231 | return state.expression.charAt(state.index + 1);
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232 | }
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233 |
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234 | |
235 |
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236 |
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237 |
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238 |
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239 | function getToken(state) {
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240 | state.tokenType = TOKENTYPE.NULL;
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241 | state.token = '';
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242 | state.comment = '';
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243 |
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244 |
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245 | while (true) {
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246 |
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247 | if (currentCharacter(state) === '#') {
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248 | while (currentCharacter(state) !== '\n' && currentCharacter(state) !== '') {
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249 | state.comment += currentCharacter(state);
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250 | next(state);
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251 | }
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252 | }
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253 |
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254 | if (parse.isWhitespace(currentCharacter(state), state.nestingLevel)) {
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255 | next(state);
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256 | } else {
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257 | break;
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258 | }
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259 | }
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260 |
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261 |
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262 | if (currentCharacter(state) === '') {
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263 |
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264 | state.tokenType = TOKENTYPE.DELIMITER;
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265 | return;
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266 | }
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267 |
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268 |
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269 | if (currentCharacter(state) === '\n' && !state.nestingLevel) {
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270 | state.tokenType = TOKENTYPE.DELIMITER;
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271 | state.token = currentCharacter(state);
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272 | next(state);
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273 | return;
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274 | }
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275 | var c1 = currentCharacter(state);
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276 | var c2 = currentString(state, 2);
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277 | var c3 = currentString(state, 3);
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278 | if (c3.length === 3 && DELIMITERS[c3]) {
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279 | state.tokenType = TOKENTYPE.DELIMITER;
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280 | state.token = c3;
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281 | next(state);
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282 | next(state);
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283 | next(state);
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284 | return;
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285 | }
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286 |
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287 |
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288 | if (c2.length === 2 && DELIMITERS[c2]) {
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289 | state.tokenType = TOKENTYPE.DELIMITER;
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290 | state.token = c2;
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291 | next(state);
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292 | next(state);
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293 | return;
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294 | }
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295 |
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296 |
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297 | if (DELIMITERS[c1]) {
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298 | state.tokenType = TOKENTYPE.DELIMITER;
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299 | state.token = c1;
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300 | next(state);
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301 | return;
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302 | }
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303 |
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304 |
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305 | if (parse.isDigitDot(c1)) {
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306 | state.tokenType = TOKENTYPE.NUMBER;
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307 |
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308 |
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309 | var _c = currentString(state, 2);
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310 | if (_c === '0b' || _c === '0o' || _c === '0x') {
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311 | state.token += currentCharacter(state);
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312 | next(state);
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313 | state.token += currentCharacter(state);
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314 | next(state);
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315 | while (parse.isHexDigit(currentCharacter(state))) {
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316 | state.token += currentCharacter(state);
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317 | next(state);
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318 | }
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319 | if (currentCharacter(state) === '.') {
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320 |
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321 | state.token += '.';
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322 | next(state);
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323 |
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324 | while (parse.isHexDigit(currentCharacter(state))) {
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325 | state.token += currentCharacter(state);
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326 | next(state);
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327 | }
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328 | } else if (currentCharacter(state) === 'i') {
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329 |
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330 | state.token += 'i';
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331 | next(state);
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332 |
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333 | while (parse.isDigit(currentCharacter(state))) {
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334 | state.token += currentCharacter(state);
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335 | next(state);
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336 | }
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337 | }
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338 | return;
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339 | }
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340 |
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341 |
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342 | if (currentCharacter(state) === '.') {
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343 | state.token += currentCharacter(state);
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344 | next(state);
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345 | if (!parse.isDigit(currentCharacter(state))) {
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346 |
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347 | state.tokenType = TOKENTYPE.DELIMITER;
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348 | return;
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349 | }
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350 | } else {
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351 | while (parse.isDigit(currentCharacter(state))) {
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352 | state.token += currentCharacter(state);
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353 | next(state);
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354 | }
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355 | if (parse.isDecimalMark(currentCharacter(state), nextCharacter(state))) {
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356 | state.token += currentCharacter(state);
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357 | next(state);
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358 | }
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359 | }
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360 | while (parse.isDigit(currentCharacter(state))) {
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361 | state.token += currentCharacter(state);
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362 | next(state);
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363 | }
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364 |
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365 | if (currentCharacter(state) === 'E' || currentCharacter(state) === 'e') {
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366 | if (parse.isDigit(nextCharacter(state)) || nextCharacter(state) === '-' || nextCharacter(state) === '+') {
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367 | state.token += currentCharacter(state);
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368 | next(state);
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369 | if (currentCharacter(state) === '+' || currentCharacter(state) === '-') {
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370 | state.token += currentCharacter(state);
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371 | next(state);
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372 | }
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373 |
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374 | if (!parse.isDigit(currentCharacter(state))) {
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375 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
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376 | }
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377 | while (parse.isDigit(currentCharacter(state))) {
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378 | state.token += currentCharacter(state);
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379 | next(state);
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380 | }
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381 | if (parse.isDecimalMark(currentCharacter(state), nextCharacter(state))) {
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382 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
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383 | }
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384 | } else if (nextCharacter(state) === '.') {
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385 | next(state);
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386 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
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387 | }
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388 | }
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389 | return;
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390 | }
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391 |
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392 |
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393 | if (parse.isAlpha(currentCharacter(state), prevCharacter(state), nextCharacter(state))) {
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394 | while (parse.isAlpha(currentCharacter(state), prevCharacter(state), nextCharacter(state)) || parse.isDigit(currentCharacter(state))) {
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395 | state.token += currentCharacter(state);
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396 | next(state);
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397 | }
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398 | if ((0, _object.hasOwnProperty)(NAMED_DELIMITERS, state.token)) {
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399 | state.tokenType = TOKENTYPE.DELIMITER;
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400 | } else {
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401 | state.tokenType = TOKENTYPE.SYMBOL;
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402 | }
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403 | return;
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404 | }
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405 |
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406 |
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407 | state.tokenType = TOKENTYPE.UNKNOWN;
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408 | while (currentCharacter(state) !== '') {
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409 | state.token += currentCharacter(state);
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410 | next(state);
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411 | }
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412 | throw createSyntaxError(state, 'Syntax error in part "' + state.token + '"');
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413 | }
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414 |
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415 | |
416 |
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417 |
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418 | function getTokenSkipNewline(state) {
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419 | do {
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420 | getToken(state);
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421 | } while (state.token === '\n');
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422 | }
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423 |
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424 | |
425 |
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426 |
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427 |
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428 | function openParams(state) {
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429 | state.nestingLevel++;
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430 | }
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431 |
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432 | |
433 |
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434 |
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435 |
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436 | function closeParams(state) {
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437 | state.nestingLevel--;
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438 | }
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439 |
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440 | |
441 |
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442 |
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443 |
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444 |
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445 |
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446 |
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447 |
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448 |
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449 |
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450 |
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451 |
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452 |
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453 |
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454 |
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455 |
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456 |
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457 |
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458 | parse.isAlpha = function isAlpha(c, cPrev, cNext) {
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459 | return parse.isValidLatinOrGreek(c) || parse.isValidMathSymbol(c, cNext) || parse.isValidMathSymbol(cPrev, c);
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460 | };
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461 |
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462 | |
463 |
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464 |
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465 |
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466 |
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467 | parse.isValidLatinOrGreek = function isValidLatinOrGreek(c) {
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468 | return /^[a-zA-Z_$\u00C0-\u02AF\u0370-\u03FF\u2100-\u214F]$/.test(c);
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469 | };
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470 |
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471 | |
472 |
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473 |
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474 |
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475 |
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476 |
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477 |
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478 |
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479 |
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480 |
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481 |
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482 |
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483 |
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484 |
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485 |
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486 | parse.isValidMathSymbol = function isValidMathSymbol(high, low) {
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487 | return /^[\uD835]$/.test(high) && /^[\uDC00-\uDFFF]$/.test(low) && /^[^\uDC55\uDC9D\uDCA0\uDCA1\uDCA3\uDCA4\uDCA7\uDCA8\uDCAD\uDCBA\uDCBC\uDCC4\uDD06\uDD0B\uDD0C\uDD15\uDD1D\uDD3A\uDD3F\uDD45\uDD47-\uDD49\uDD51\uDEA6\uDEA7\uDFCC\uDFCD]$/.test(low);
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488 | };
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489 |
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490 | |
491 |
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492 |
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493 |
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494 |
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495 |
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496 | parse.isWhitespace = function isWhitespace(c, nestingLevel) {
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497 |
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498 | return c === ' ' || c === '\t' || c === '\n' && nestingLevel > 0;
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499 | };
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500 |
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501 | |
502 |
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503 |
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504 |
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505 |
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506 |
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507 |
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508 | parse.isDecimalMark = function isDecimalMark(c, cNext) {
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509 | return c === '.' && cNext !== '/' && cNext !== '*' && cNext !== '^';
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510 | };
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511 |
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512 | |
513 |
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514 |
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515 |
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516 |
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517 | parse.isDigitDot = function isDigitDot(c) {
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518 | return c >= '0' && c <= '9' || c === '.';
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519 | };
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520 |
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521 | |
522 |
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523 |
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524 |
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525 |
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526 | parse.isDigit = function isDigit(c) {
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527 | return c >= '0' && c <= '9';
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528 | };
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529 |
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530 | |
531 |
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532 |
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533 |
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534 |
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535 | parse.isHexDigit = function isHexDigit(c) {
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536 | return c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F';
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537 | };
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538 |
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539 | |
540 |
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541 |
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542 |
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543 |
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544 | function parseStart(expression, extraNodes) {
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545 | var state = initialState();
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546 | (0, _extends2["default"])(state, {
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547 | expression: expression,
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548 | extraNodes: extraNodes
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549 | });
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550 | getToken(state);
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551 | var node = parseBlock(state);
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552 |
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553 |
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554 |
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555 | if (state.token !== '') {
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556 | if (state.tokenType === TOKENTYPE.DELIMITER) {
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557 |
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558 |
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559 |
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560 | throw createError(state, 'Unexpected operator ' + state.token);
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561 | } else {
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562 | throw createSyntaxError(state, 'Unexpected part "' + state.token + '"');
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563 | }
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564 | }
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565 | return node;
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566 | }
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567 |
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568 | |
569 |
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570 |
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571 |
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572 |
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573 |
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574 |
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575 | function parseBlock(state) {
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576 | var node;
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577 | var blocks = [];
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578 | var visible;
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579 | if (state.token !== '' && state.token !== '\n' && state.token !== ';') {
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580 | node = parseAssignment(state);
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581 | if (state.comment) {
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582 | node.comment = state.comment;
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583 | }
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584 | }
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585 |
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586 |
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587 | while (state.token === '\n' || state.token === ';') {
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588 |
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589 | if (blocks.length === 0 && node) {
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590 | visible = state.token !== ';';
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591 | blocks.push({
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592 | node: node,
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593 | visible: visible
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594 | });
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595 | }
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596 | getToken(state);
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597 | if (state.token !== '\n' && state.token !== ';' && state.token !== '') {
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598 | node = parseAssignment(state);
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599 | if (state.comment) {
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600 | node.comment = state.comment;
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601 | }
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602 | visible = state.token !== ';';
|
603 | blocks.push({
|
604 | node: node,
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605 | visible: visible
|
606 | });
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607 | }
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608 | }
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609 | if (blocks.length > 0) {
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610 | return new BlockNode(blocks);
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611 | } else {
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612 | if (!node) {
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613 | node = new ConstantNode(undefined);
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614 | if (state.comment) {
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615 | node.comment = state.comment;
|
616 | }
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617 | }
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618 | return node;
|
619 | }
|
620 | }
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621 |
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622 | |
623 |
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624 |
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625 |
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626 |
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627 |
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628 |
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629 |
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630 | function parseAssignment(state) {
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631 | var name, args, value, valid;
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632 | var node = parseConditional(state);
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633 | if (state.token === '=') {
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634 | if ((0, _is.isSymbolNode)(node)) {
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635 |
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636 | name = node.name;
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637 | getTokenSkipNewline(state);
|
638 | value = parseAssignment(state);
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639 | return new AssignmentNode(new SymbolNode(name), value);
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640 | } else if ((0, _is.isAccessorNode)(node)) {
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641 |
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642 | getTokenSkipNewline(state);
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643 | value = parseAssignment(state);
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644 | return new AssignmentNode(node.object, node.index, value);
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645 | } else if ((0, _is.isFunctionNode)(node) && (0, _is.isSymbolNode)(node.fn)) {
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646 |
|
647 | valid = true;
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648 | args = [];
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649 | name = node.name;
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650 | node.args.forEach(function (arg, index) {
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651 | if ((0, _is.isSymbolNode)(arg)) {
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652 | args[index] = arg.name;
|
653 | } else {
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654 | valid = false;
|
655 | }
|
656 | });
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657 | if (valid) {
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658 | getTokenSkipNewline(state);
|
659 | value = parseAssignment(state);
|
660 | return new FunctionAssignmentNode(name, args, value);
|
661 | }
|
662 | }
|
663 | throw createSyntaxError(state, 'Invalid left hand side of assignment operator =');
|
664 | }
|
665 | return node;
|
666 | }
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667 |
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668 | |
669 |
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670 |
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671 |
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672 |
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673 |
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674 |
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675 |
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676 |
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677 |
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678 | function parseConditional(state) {
|
679 | var node = parseLogicalOr(state);
|
680 | while (state.token === '?') {
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681 |
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682 |
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683 |
|
684 | var prev = state.conditionalLevel;
|
685 | state.conditionalLevel = state.nestingLevel;
|
686 | getTokenSkipNewline(state);
|
687 | var condition = node;
|
688 | var trueExpr = parseAssignment(state);
|
689 | if (state.token !== ':') throw createSyntaxError(state, 'False part of conditional expression expected');
|
690 | state.conditionalLevel = null;
|
691 | getTokenSkipNewline(state);
|
692 | var falseExpr = parseAssignment(state);
|
693 |
|
694 | node = new ConditionalNode(condition, trueExpr, falseExpr);
|
695 |
|
696 |
|
697 | state.conditionalLevel = prev;
|
698 | }
|
699 | return node;
|
700 | }
|
701 |
|
702 | |
703 |
|
704 |
|
705 |
|
706 |
|
707 | function parseLogicalOr(state) {
|
708 | var node = parseLogicalXor(state);
|
709 | while (state.token === 'or') {
|
710 |
|
711 | getTokenSkipNewline(state);
|
712 | node = new OperatorNode('or', 'or', [node, parseLogicalXor(state)]);
|
713 | }
|
714 | return node;
|
715 | }
|
716 |
|
717 | |
718 |
|
719 |
|
720 |
|
721 |
|
722 | function parseLogicalXor(state) {
|
723 | var node = parseLogicalAnd(state);
|
724 | while (state.token === 'xor') {
|
725 |
|
726 | getTokenSkipNewline(state);
|
727 | node = new OperatorNode('xor', 'xor', [node, parseLogicalAnd(state)]);
|
728 | }
|
729 | return node;
|
730 | }
|
731 |
|
732 | |
733 |
|
734 |
|
735 |
|
736 |
|
737 | function parseLogicalAnd(state) {
|
738 | var node = parseBitwiseOr(state);
|
739 | while (state.token === 'and') {
|
740 |
|
741 | getTokenSkipNewline(state);
|
742 | node = new OperatorNode('and', 'and', [node, parseBitwiseOr(state)]);
|
743 | }
|
744 | return node;
|
745 | }
|
746 |
|
747 | |
748 |
|
749 |
|
750 |
|
751 |
|
752 | function parseBitwiseOr(state) {
|
753 | var node = parseBitwiseXor(state);
|
754 | while (state.token === '|') {
|
755 |
|
756 | getTokenSkipNewline(state);
|
757 | node = new OperatorNode('|', 'bitOr', [node, parseBitwiseXor(state)]);
|
758 | }
|
759 | return node;
|
760 | }
|
761 |
|
762 | |
763 |
|
764 |
|
765 |
|
766 |
|
767 | function parseBitwiseXor(state) {
|
768 | var node = parseBitwiseAnd(state);
|
769 | while (state.token === '^|') {
|
770 |
|
771 | getTokenSkipNewline(state);
|
772 | node = new OperatorNode('^|', 'bitXor', [node, parseBitwiseAnd(state)]);
|
773 | }
|
774 | return node;
|
775 | }
|
776 |
|
777 | |
778 |
|
779 |
|
780 |
|
781 |
|
782 | function parseBitwiseAnd(state) {
|
783 | var node = parseRelational(state);
|
784 | while (state.token === '&') {
|
785 |
|
786 | getTokenSkipNewline(state);
|
787 | node = new OperatorNode('&', 'bitAnd', [node, parseRelational(state)]);
|
788 | }
|
789 | return node;
|
790 | }
|
791 |
|
792 | |
793 |
|
794 |
|
795 |
|
796 | function parseRelational(state) {
|
797 | var params = [parseShift(state)];
|
798 | var conditionals = [];
|
799 | var operators = {
|
800 | '==': 'equal',
|
801 | '!=': 'unequal',
|
802 | '<': 'smaller',
|
803 | '>': 'larger',
|
804 | '<=': 'smallerEq',
|
805 | '>=': 'largerEq'
|
806 | };
|
807 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
808 |
|
809 | var cond = {
|
810 | name: state.token,
|
811 | fn: operators[state.token]
|
812 | };
|
813 | conditionals.push(cond);
|
814 | getTokenSkipNewline(state);
|
815 | params.push(parseShift(state));
|
816 | }
|
817 | if (params.length === 1) {
|
818 | return params[0];
|
819 | } else if (params.length === 2) {
|
820 | return new OperatorNode(conditionals[0].name, conditionals[0].fn, params);
|
821 | } else {
|
822 | return new RelationalNode(conditionals.map(function (c) {
|
823 | return c.fn;
|
824 | }), params);
|
825 | }
|
826 | }
|
827 |
|
828 | |
829 |
|
830 |
|
831 |
|
832 |
|
833 | function parseShift(state) {
|
834 | var node, name, fn, params;
|
835 | node = parseConversion(state);
|
836 | var operators = {
|
837 | '<<': 'leftShift',
|
838 | '>>': 'rightArithShift',
|
839 | '>>>': 'rightLogShift'
|
840 | };
|
841 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
842 | name = state.token;
|
843 | fn = operators[name];
|
844 | getTokenSkipNewline(state);
|
845 | params = [node, parseConversion(state)];
|
846 | node = new OperatorNode(name, fn, params);
|
847 | }
|
848 | return node;
|
849 | }
|
850 |
|
851 | |
852 |
|
853 |
|
854 |
|
855 |
|
856 | function parseConversion(state) {
|
857 | var node, name, fn, params;
|
858 | node = parseRange(state);
|
859 | var operators = {
|
860 | to: 'to',
|
861 | "in": 'to'
|
862 | };
|
863 |
|
864 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
865 | name = state.token;
|
866 | fn = operators[name];
|
867 | getTokenSkipNewline(state);
|
868 | if (name === 'in' && state.token === '') {
|
869 |
|
870 | node = new OperatorNode('*', 'multiply', [node, new SymbolNode('in')], true);
|
871 | } else {
|
872 |
|
873 | params = [node, parseRange(state)];
|
874 | node = new OperatorNode(name, fn, params);
|
875 | }
|
876 | }
|
877 | return node;
|
878 | }
|
879 |
|
880 | |
881 |
|
882 |
|
883 |
|
884 |
|
885 | function parseRange(state) {
|
886 | var node;
|
887 | var params = [];
|
888 | if (state.token === ':') {
|
889 |
|
890 | node = new ConstantNode(1);
|
891 | } else {
|
892 |
|
893 | node = parseAddSubtract(state);
|
894 | }
|
895 | if (state.token === ':' && state.conditionalLevel !== state.nestingLevel) {
|
896 |
|
897 | params.push(node);
|
898 |
|
899 |
|
900 | while (state.token === ':' && params.length < 3) {
|
901 |
|
902 | getTokenSkipNewline(state);
|
903 | if (state.token === ')' || state.token === ']' || state.token === ',' || state.token === '') {
|
904 |
|
905 | params.push(new SymbolNode('end'));
|
906 | } else {
|
907 |
|
908 | params.push(parseAddSubtract(state));
|
909 | }
|
910 | }
|
911 | if (params.length === 3) {
|
912 |
|
913 | node = new RangeNode(params[0], params[2], params[1]);
|
914 | } else {
|
915 |
|
916 |
|
917 | node = new RangeNode(params[0], params[1]);
|
918 | }
|
919 | }
|
920 |
|
921 | return node;
|
922 | }
|
923 |
|
924 | |
925 |
|
926 |
|
927 |
|
928 |
|
929 | function parseAddSubtract(state) {
|
930 | var node, name, fn, params;
|
931 | node = parseMultiplyDivide(state);
|
932 | var operators = {
|
933 | '+': 'add',
|
934 | '-': 'subtract'
|
935 | };
|
936 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
937 | name = state.token;
|
938 | fn = operators[name];
|
939 | getTokenSkipNewline(state);
|
940 | var rightNode = parseMultiplyDivide(state);
|
941 | if (rightNode.isPercentage) {
|
942 | params = [node, new OperatorNode('*', 'multiply', [node, rightNode])];
|
943 | } else {
|
944 | params = [node, rightNode];
|
945 | }
|
946 | node = new OperatorNode(name, fn, params);
|
947 | }
|
948 | return node;
|
949 | }
|
950 |
|
951 | |
952 |
|
953 |
|
954 |
|
955 |
|
956 | function parseMultiplyDivide(state) {
|
957 | var node, last, name, fn;
|
958 | node = parseImplicitMultiplication(state);
|
959 | last = node;
|
960 | var operators = {
|
961 | '*': 'multiply',
|
962 | '.*': 'dotMultiply',
|
963 | '/': 'divide',
|
964 | './': 'dotDivide'
|
965 | };
|
966 | while (true) {
|
967 | if ((0, _object.hasOwnProperty)(operators, state.token)) {
|
968 |
|
969 | name = state.token;
|
970 | fn = operators[name];
|
971 | getTokenSkipNewline(state);
|
972 | last = parseImplicitMultiplication(state);
|
973 | node = new OperatorNode(name, fn, [node, last]);
|
974 | } else {
|
975 | break;
|
976 | }
|
977 | }
|
978 | return node;
|
979 | }
|
980 |
|
981 | |
982 |
|
983 |
|
984 |
|
985 |
|
986 | function parseImplicitMultiplication(state) {
|
987 | var node, last;
|
988 | node = parseRule2(state);
|
989 | last = node;
|
990 | while (true) {
|
991 | if (state.tokenType === TOKENTYPE.SYMBOL || state.token === 'in' && (0, _is.isConstantNode)(node) || state.tokenType === TOKENTYPE.NUMBER && !(0, _is.isConstantNode)(last) && (!(0, _is.isOperatorNode)(last) || last.op === '!') || state.token === '(') {
|
992 |
|
993 |
|
994 |
|
995 |
|
996 |
|
997 | last = parseRule2(state);
|
998 | node = new OperatorNode('*', 'multiply', [node, last], true );
|
999 | } else {
|
1000 | break;
|
1001 | }
|
1002 | }
|
1003 | return node;
|
1004 | }
|
1005 |
|
1006 | |
1007 |
|
1008 |
|
1009 |
|
1010 |
|
1011 |
|
1012 |
|
1013 |
|
1014 |
|
1015 | function parseRule2(state) {
|
1016 | var node = parsePercentage(state);
|
1017 | var last = node;
|
1018 | var tokenStates = [];
|
1019 | while (true) {
|
1020 |
|
1021 | if (state.token === '/' && (0, _is.rule2Node)(last)) {
|
1022 |
|
1023 | tokenStates.push((0, _extends2["default"])({}, state));
|
1024 | getTokenSkipNewline(state);
|
1025 |
|
1026 |
|
1027 | if (state.tokenType === TOKENTYPE.NUMBER) {
|
1028 |
|
1029 | tokenStates.push((0, _extends2["default"])({}, state));
|
1030 | getTokenSkipNewline(state);
|
1031 |
|
1032 |
|
1033 | if (state.tokenType === TOKENTYPE.SYMBOL || state.token === '(') {
|
1034 |
|
1035 |
|
1036 | (0, _extends2["default"])(state, tokenStates.pop());
|
1037 | tokenStates.pop();
|
1038 | last = parsePercentage(state);
|
1039 | node = new OperatorNode('/', 'divide', [node, last]);
|
1040 | } else {
|
1041 |
|
1042 | tokenStates.pop();
|
1043 | (0, _extends2["default"])(state, tokenStates.pop());
|
1044 | break;
|
1045 | }
|
1046 | } else {
|
1047 |
|
1048 | (0, _extends2["default"])(state, tokenStates.pop());
|
1049 | break;
|
1050 | }
|
1051 | } else {
|
1052 | break;
|
1053 | }
|
1054 | }
|
1055 | return node;
|
1056 | }
|
1057 |
|
1058 | |
1059 |
|
1060 |
|
1061 |
|
1062 |
|
1063 | function parsePercentage(state) {
|
1064 | var node, name, fn, params;
|
1065 | node = parseUnary(state);
|
1066 | var operators = {
|
1067 | '%': 'mod',
|
1068 | mod: 'mod'
|
1069 | };
|
1070 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
1071 | name = state.token;
|
1072 | fn = operators[name];
|
1073 | getTokenSkipNewline(state);
|
1074 | if (name === '%' && state.tokenType === TOKENTYPE.DELIMITER && state.token !== '(') {
|
1075 |
|
1076 | node = new OperatorNode('/', 'divide', [node, new ConstantNode(100)], false, true);
|
1077 | } else {
|
1078 | params = [node, parseUnary(state)];
|
1079 | node = new OperatorNode(name, fn, params);
|
1080 | }
|
1081 | }
|
1082 | return node;
|
1083 | }
|
1084 |
|
1085 | |
1086 |
|
1087 |
|
1088 |
|
1089 |
|
1090 | function parseUnary(state) {
|
1091 | var name, params, fn;
|
1092 | var operators = {
|
1093 | '-': 'unaryMinus',
|
1094 | '+': 'unaryPlus',
|
1095 | '~': 'bitNot',
|
1096 | not: 'not'
|
1097 | };
|
1098 | if ((0, _object.hasOwnProperty)(operators, state.token)) {
|
1099 | fn = operators[state.token];
|
1100 | name = state.token;
|
1101 | getTokenSkipNewline(state);
|
1102 | params = [parseUnary(state)];
|
1103 | return new OperatorNode(name, fn, params);
|
1104 | }
|
1105 | return parsePow(state);
|
1106 | }
|
1107 |
|
1108 | |
1109 |
|
1110 |
|
1111 |
|
1112 |
|
1113 |
|
1114 | function parsePow(state) {
|
1115 | var node, name, fn, params;
|
1116 | node = parseLeftHandOperators(state);
|
1117 | if (state.token === '^' || state.token === '.^') {
|
1118 | name = state.token;
|
1119 | fn = name === '^' ? 'pow' : 'dotPow';
|
1120 | getTokenSkipNewline(state);
|
1121 | params = [node, parseUnary(state)];
|
1122 | node = new OperatorNode(name, fn, params);
|
1123 | }
|
1124 | return node;
|
1125 | }
|
1126 |
|
1127 | |
1128 |
|
1129 |
|
1130 |
|
1131 |
|
1132 | function parseLeftHandOperators(state) {
|
1133 | var node, name, fn, params;
|
1134 | node = parseCustomNodes(state);
|
1135 | var operators = {
|
1136 | '!': 'factorial',
|
1137 | '\'': 'ctranspose'
|
1138 | };
|
1139 | while ((0, _object.hasOwnProperty)(operators, state.token)) {
|
1140 | name = state.token;
|
1141 | fn = operators[name];
|
1142 | getToken(state);
|
1143 | params = [node];
|
1144 | node = new OperatorNode(name, fn, params);
|
1145 | node = parseAccessors(state, node);
|
1146 | }
|
1147 | return node;
|
1148 | }
|
1149 |
|
1150 | |
1151 |
|
1152 |
|
1153 |
|
1154 |
|
1155 |
|
1156 |
|
1157 |
|
1158 |
|
1159 |
|
1160 |
|
1161 |
|
1162 |
|
1163 |
|
1164 |
|
1165 |
|
1166 |
|
1167 |
|
1168 |
|
1169 |
|
1170 |
|
1171 |
|
1172 |
|
1173 |
|
1174 |
|
1175 |
|
1176 |
|
1177 |
|
1178 | function parseCustomNodes(state) {
|
1179 | var params = [];
|
1180 | if (state.tokenType === TOKENTYPE.SYMBOL && (0, _object.hasOwnProperty)(state.extraNodes, state.token)) {
|
1181 | var CustomNode = state.extraNodes[state.token];
|
1182 | getToken(state);
|
1183 |
|
1184 |
|
1185 | if (state.token === '(') {
|
1186 | params = [];
|
1187 | openParams(state);
|
1188 | getToken(state);
|
1189 | if (state.token !== ')') {
|
1190 | params.push(parseAssignment(state));
|
1191 |
|
1192 |
|
1193 | while (state.token === ',') {
|
1194 |
|
1195 | getToken(state);
|
1196 | params.push(parseAssignment(state));
|
1197 | }
|
1198 | }
|
1199 | if (state.token !== ')') {
|
1200 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1201 | }
|
1202 | closeParams(state);
|
1203 | getToken(state);
|
1204 | }
|
1205 |
|
1206 |
|
1207 |
|
1208 | return new CustomNode(params);
|
1209 | }
|
1210 | return parseSymbol(state);
|
1211 | }
|
1212 |
|
1213 | |
1214 |
|
1215 |
|
1216 |
|
1217 |
|
1218 | function parseSymbol(state) {
|
1219 | var node, name;
|
1220 | if (state.tokenType === TOKENTYPE.SYMBOL || state.tokenType === TOKENTYPE.DELIMITER && state.token in NAMED_DELIMITERS) {
|
1221 | name = state.token;
|
1222 | getToken(state);
|
1223 | if ((0, _object.hasOwnProperty)(CONSTANTS, name)) {
|
1224 |
|
1225 | node = new ConstantNode(CONSTANTS[name]);
|
1226 | } else if (NUMERIC_CONSTANTS.indexOf(name) !== -1) {
|
1227 |
|
1228 | node = new ConstantNode(numeric(name, 'number'));
|
1229 | } else {
|
1230 | node = new SymbolNode(name);
|
1231 | }
|
1232 |
|
1233 |
|
1234 | node = parseAccessors(state, node);
|
1235 | return node;
|
1236 | }
|
1237 | return parseDoubleQuotesString(state);
|
1238 | }
|
1239 |
|
1240 | |
1241 |
|
1242 |
|
1243 |
|
1244 |
|
1245 |
|
1246 |
|
1247 |
|
1248 |
|
1249 |
|
1250 |
|
1251 |
|
1252 |
|
1253 |
|
1254 | function parseAccessors(state, node, types) {
|
1255 | var params;
|
1256 | while ((state.token === '(' || state.token === '[' || state.token === '.') && (!types || types.indexOf(state.token) !== -1)) {
|
1257 |
|
1258 | params = [];
|
1259 | if (state.token === '(') {
|
1260 | if ((0, _is.isSymbolNode)(node) || (0, _is.isAccessorNode)(node)) {
|
1261 |
|
1262 | openParams(state);
|
1263 | getToken(state);
|
1264 | if (state.token !== ')') {
|
1265 | params.push(parseAssignment(state));
|
1266 |
|
1267 |
|
1268 | while (state.token === ',') {
|
1269 |
|
1270 | getToken(state);
|
1271 | params.push(parseAssignment(state));
|
1272 | }
|
1273 | }
|
1274 | if (state.token !== ')') {
|
1275 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1276 | }
|
1277 | closeParams(state);
|
1278 | getToken(state);
|
1279 | node = new FunctionNode(node, params);
|
1280 | } else {
|
1281 |
|
1282 |
|
1283 |
|
1284 | return node;
|
1285 | }
|
1286 | } else if (state.token === '[') {
|
1287 |
|
1288 | openParams(state);
|
1289 | getToken(state);
|
1290 | if (state.token !== ']') {
|
1291 | params.push(parseAssignment(state));
|
1292 |
|
1293 |
|
1294 | while (state.token === ',') {
|
1295 |
|
1296 | getToken(state);
|
1297 | params.push(parseAssignment(state));
|
1298 | }
|
1299 | }
|
1300 | if (state.token !== ']') {
|
1301 | throw createSyntaxError(state, 'Parenthesis ] expected');
|
1302 | }
|
1303 | closeParams(state);
|
1304 | getToken(state);
|
1305 | node = new AccessorNode(node, new IndexNode(params));
|
1306 | } else {
|
1307 |
|
1308 | getToken(state);
|
1309 | if (state.tokenType !== TOKENTYPE.SYMBOL) {
|
1310 | throw createSyntaxError(state, 'Property name expected after dot');
|
1311 | }
|
1312 | params.push(new ConstantNode(state.token));
|
1313 | getToken(state);
|
1314 | var dotNotation = true;
|
1315 | node = new AccessorNode(node, new IndexNode(params, dotNotation));
|
1316 | }
|
1317 | }
|
1318 | return node;
|
1319 | }
|
1320 |
|
1321 | |
1322 |
|
1323 |
|
1324 |
|
1325 |
|
1326 | function parseDoubleQuotesString(state) {
|
1327 | var node, str;
|
1328 | if (state.token === '"') {
|
1329 | str = parseDoubleQuotesStringToken(state);
|
1330 |
|
1331 |
|
1332 | node = new ConstantNode(str);
|
1333 |
|
1334 |
|
1335 | node = parseAccessors(state, node);
|
1336 | return node;
|
1337 | }
|
1338 | return parseSingleQuotesString(state);
|
1339 | }
|
1340 |
|
1341 | |
1342 |
|
1343 |
|
1344 |
|
1345 | function parseDoubleQuotesStringToken(state) {
|
1346 | var str = '';
|
1347 | while (currentCharacter(state) !== '' && currentCharacter(state) !== '"') {
|
1348 | if (currentCharacter(state) === '\\') {
|
1349 |
|
1350 |
|
1351 | str += currentCharacter(state);
|
1352 | next(state);
|
1353 | }
|
1354 | str += currentCharacter(state);
|
1355 | next(state);
|
1356 | }
|
1357 | getToken(state);
|
1358 | if (state.token !== '"') {
|
1359 | throw createSyntaxError(state, 'End of string " expected');
|
1360 | }
|
1361 | getToken(state);
|
1362 | return JSON.parse('"' + str + '"');
|
1363 | }
|
1364 |
|
1365 | |
1366 |
|
1367 |
|
1368 |
|
1369 |
|
1370 | function parseSingleQuotesString(state) {
|
1371 | var node, str;
|
1372 | if (state.token === '\'') {
|
1373 | str = parseSingleQuotesStringToken(state);
|
1374 |
|
1375 |
|
1376 | node = new ConstantNode(str);
|
1377 |
|
1378 |
|
1379 | node = parseAccessors(state, node);
|
1380 | return node;
|
1381 | }
|
1382 | return parseMatrix(state);
|
1383 | }
|
1384 |
|
1385 | |
1386 |
|
1387 |
|
1388 |
|
1389 | function parseSingleQuotesStringToken(state) {
|
1390 | var str = '';
|
1391 | while (currentCharacter(state) !== '' && currentCharacter(state) !== '\'') {
|
1392 | if (currentCharacter(state) === '\\') {
|
1393 |
|
1394 |
|
1395 | str += currentCharacter(state);
|
1396 | next(state);
|
1397 | }
|
1398 | str += currentCharacter(state);
|
1399 | next(state);
|
1400 | }
|
1401 | getToken(state);
|
1402 | if (state.token !== '\'') {
|
1403 | throw createSyntaxError(state, 'End of string \' expected');
|
1404 | }
|
1405 | getToken(state);
|
1406 | return JSON.parse('"' + str + '"');
|
1407 | }
|
1408 |
|
1409 | |
1410 |
|
1411 |
|
1412 |
|
1413 |
|
1414 | function parseMatrix(state) {
|
1415 | var array, params, rows, cols;
|
1416 | if (state.token === '[') {
|
1417 |
|
1418 | openParams(state);
|
1419 | getToken(state);
|
1420 | if (state.token !== ']') {
|
1421 |
|
1422 | var row = parseRow(state);
|
1423 | if (state.token === ';') {
|
1424 |
|
1425 | rows = 1;
|
1426 | params = [row];
|
1427 |
|
1428 |
|
1429 | while (state.token === ';') {
|
1430 |
|
1431 | getToken(state);
|
1432 | params[rows] = parseRow(state);
|
1433 | rows++;
|
1434 | }
|
1435 | if (state.token !== ']') {
|
1436 | throw createSyntaxError(state, 'End of matrix ] expected');
|
1437 | }
|
1438 | closeParams(state);
|
1439 | getToken(state);
|
1440 |
|
1441 |
|
1442 | cols = params[0].items.length;
|
1443 | for (var r = 1; r < rows; r++) {
|
1444 | if (params[r].items.length !== cols) {
|
1445 | throw createError(state, 'Column dimensions mismatch ' + '(' + params[r].items.length + ' !== ' + cols + ')');
|
1446 | }
|
1447 | }
|
1448 | array = new ArrayNode(params);
|
1449 | } else {
|
1450 |
|
1451 | if (state.token !== ']') {
|
1452 | throw createSyntaxError(state, 'End of matrix ] expected');
|
1453 | }
|
1454 | closeParams(state);
|
1455 | getToken(state);
|
1456 | array = row;
|
1457 | }
|
1458 | } else {
|
1459 |
|
1460 | closeParams(state);
|
1461 | getToken(state);
|
1462 | array = new ArrayNode([]);
|
1463 | }
|
1464 | return parseAccessors(state, array);
|
1465 | }
|
1466 | return parseObject(state);
|
1467 | }
|
1468 |
|
1469 | |
1470 |
|
1471 |
|
1472 |
|
1473 | function parseRow(state) {
|
1474 | var params = [parseAssignment(state)];
|
1475 | var len = 1;
|
1476 | while (state.token === ',') {
|
1477 |
|
1478 | getToken(state);
|
1479 |
|
1480 |
|
1481 | params[len] = parseAssignment(state);
|
1482 | len++;
|
1483 | }
|
1484 | return new ArrayNode(params);
|
1485 | }
|
1486 |
|
1487 | |
1488 |
|
1489 |
|
1490 |
|
1491 |
|
1492 | function parseObject(state) {
|
1493 | if (state.token === '{') {
|
1494 | openParams(state);
|
1495 | var key;
|
1496 | var properties = {};
|
1497 | do {
|
1498 | getToken(state);
|
1499 | if (state.token !== '}') {
|
1500 |
|
1501 | if (state.token === '"') {
|
1502 | key = parseDoubleQuotesStringToken(state);
|
1503 | } else if (state.token === '\'') {
|
1504 | key = parseSingleQuotesStringToken(state);
|
1505 | } else if (state.tokenType === TOKENTYPE.SYMBOL || state.tokenType === TOKENTYPE.DELIMITER && state.token in NAMED_DELIMITERS) {
|
1506 | key = state.token;
|
1507 | getToken(state);
|
1508 | } else {
|
1509 | throw createSyntaxError(state, 'Symbol or string expected as object key');
|
1510 | }
|
1511 |
|
1512 |
|
1513 | if (state.token !== ':') {
|
1514 | throw createSyntaxError(state, 'Colon : expected after object key');
|
1515 | }
|
1516 | getToken(state);
|
1517 |
|
1518 |
|
1519 | properties[key] = parseAssignment(state);
|
1520 | }
|
1521 | } while (state.token === ',');
|
1522 |
|
1523 | if (state.token !== '}') {
|
1524 | throw createSyntaxError(state, 'Comma , or bracket } expected after object value');
|
1525 | }
|
1526 | closeParams(state);
|
1527 | getToken(state);
|
1528 | var node = new ObjectNode(properties);
|
1529 |
|
1530 |
|
1531 | node = parseAccessors(state, node);
|
1532 | return node;
|
1533 | }
|
1534 | return parseNumber(state);
|
1535 | }
|
1536 |
|
1537 | |
1538 |
|
1539 |
|
1540 |
|
1541 |
|
1542 | function parseNumber(state) {
|
1543 | var numberStr;
|
1544 | if (state.tokenType === TOKENTYPE.NUMBER) {
|
1545 |
|
1546 | numberStr = state.token;
|
1547 | getToken(state);
|
1548 | return new ConstantNode(numeric(numberStr, config.number));
|
1549 | }
|
1550 | return parseParentheses(state);
|
1551 | }
|
1552 |
|
1553 | |
1554 |
|
1555 |
|
1556 |
|
1557 |
|
1558 | function parseParentheses(state) {
|
1559 | var node;
|
1560 |
|
1561 |
|
1562 | if (state.token === '(') {
|
1563 |
|
1564 | openParams(state);
|
1565 | getToken(state);
|
1566 | node = parseAssignment(state);
|
1567 |
|
1568 | if (state.token !== ')') {
|
1569 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1570 | }
|
1571 | closeParams(state);
|
1572 | getToken(state);
|
1573 | node = new ParenthesisNode(node);
|
1574 | node = parseAccessors(state, node);
|
1575 | return node;
|
1576 | }
|
1577 | return parseEnd(state);
|
1578 | }
|
1579 |
|
1580 | |
1581 |
|
1582 |
|
1583 |
|
1584 |
|
1585 | function parseEnd(state) {
|
1586 | if (state.token === '') {
|
1587 |
|
1588 | throw createSyntaxError(state, 'Unexpected end of expression');
|
1589 | } else {
|
1590 | throw createSyntaxError(state, 'Value expected');
|
1591 | }
|
1592 | }
|
1593 |
|
1594 | |
1595 |
|
1596 |
|
1597 |
|
1598 |
|
1599 | |
1600 |
|
1601 |
|
1602 |
|
1603 |
|
1604 |
|
1605 | |
1606 |
|
1607 |
|
1608 |
|
1609 |
|
1610 | function col(state) {
|
1611 | return state.index - state.token.length + 1;
|
1612 | }
|
1613 |
|
1614 | |
1615 |
|
1616 |
|
1617 |
|
1618 |
|
1619 |
|
1620 |
|
1621 | function createSyntaxError(state, message) {
|
1622 | var c = col(state);
|
1623 | var error = new SyntaxError(message + ' (char ' + c + ')');
|
1624 | error["char"] = c;
|
1625 | return error;
|
1626 | }
|
1627 |
|
1628 | |
1629 |
|
1630 |
|
1631 |
|
1632 |
|
1633 |
|
1634 |
|
1635 | function createError(state, message) {
|
1636 | var c = col(state);
|
1637 | var error = new SyntaxError(message + ' (char ' + c + ')');
|
1638 | error["char"] = c;
|
1639 | return error;
|
1640 | }
|
1641 |
|
1642 |
|
1643 | typed.addConversion({
|
1644 | from: 'string',
|
1645 | to: 'Node',
|
1646 | convert: parse
|
1647 | });
|
1648 | return parse;
|
1649 | });
|
1650 | exports.createParse = createParse; |
\ | No newline at end of file |