1 | "use strict";Object.defineProperty(exports, "__esModule", {value: true});
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2 |
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3 | var _index = require('../index');
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4 |
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17 |
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18 |
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19 | var _flow = require('../plugins/flow');
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20 |
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21 |
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22 |
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23 |
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24 |
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35 |
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36 | var _typescript = require('../plugins/typescript');
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 |
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48 | var _tokenizer = require('../tokenizer');
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49 | var _keywords = require('../tokenizer/keywords');
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50 | var _state = require('../tokenizer/state');
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51 | var _types = require('../tokenizer/types');
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52 | var _charcodes = require('../util/charcodes');
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53 | var _base = require('./base');
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54 |
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55 |
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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 | var _expression = require('./expression');
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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 | var _lval = require('./lval');
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72 |
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73 |
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74 |
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75 |
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76 |
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77 |
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78 |
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79 |
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80 |
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81 | var _util = require('./util');
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82 |
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83 | function parseTopLevel() {
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84 | parseBlockBody(_types.TokenType.eof);
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85 | _base.state.scopes.push(new (0, _state.Scope)(0, _base.state.tokens.length, true));
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86 | if (_base.state.scopeDepth !== 0) {
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87 | throw new Error(`Invalid scope depth at end of file: ${_base.state.scopeDepth}`);
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88 | }
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89 | return new (0, _index.File)(_base.state.tokens, _base.state.scopes);
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90 | } exports.parseTopLevel = parseTopLevel;
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91 |
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92 |
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93 |
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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 |
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99 | function parseStatement(declaration) {
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100 | if (_base.isFlowEnabled) {
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101 | if (_flow.flowTryParseStatement.call(void 0, )) {
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102 | return;
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103 | }
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104 | }
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105 | if (_tokenizer.match.call(void 0, _types.TokenType.at)) {
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106 | parseDecorators();
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107 | }
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108 | parseStatementContent(declaration);
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109 | } exports.parseStatement = parseStatement;
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110 |
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111 | function parseStatementContent(declaration) {
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112 | if (_base.isTypeScriptEnabled) {
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113 | if (_typescript.tsTryParseStatementContent.call(void 0, )) {
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114 | return;
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115 | }
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116 | }
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117 |
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118 | const starttype = _base.state.type;
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119 |
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120 |
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121 |
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122 |
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123 |
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124 | switch (starttype) {
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125 | case _types.TokenType._break:
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126 | case _types.TokenType._continue:
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127 | parseBreakContinueStatement();
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128 | return;
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129 | case _types.TokenType._debugger:
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130 | parseDebuggerStatement();
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131 | return;
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132 | case _types.TokenType._do:
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133 | parseDoStatement();
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134 | return;
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135 | case _types.TokenType._for:
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136 | parseForStatement();
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137 | return;
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138 | case _types.TokenType._function:
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139 | if (_tokenizer.lookaheadType.call(void 0, ) === _types.TokenType.dot) break;
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140 | if (!declaration) _util.unexpected.call(void 0, );
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141 | parseFunctionStatement();
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142 | return;
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143 |
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144 | case _types.TokenType._class:
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145 | if (!declaration) _util.unexpected.call(void 0, );
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146 | parseClass(true);
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147 | return;
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148 |
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149 | case _types.TokenType._if:
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150 | parseIfStatement();
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151 | return;
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152 | case _types.TokenType._return:
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153 | parseReturnStatement();
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154 | return;
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155 | case _types.TokenType._switch:
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156 | parseSwitchStatement();
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157 | return;
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158 | case _types.TokenType._throw:
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159 | parseThrowStatement();
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160 | return;
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161 | case _types.TokenType._try:
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162 | parseTryStatement();
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163 | return;
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164 |
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165 | case _types.TokenType._let:
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166 | case _types.TokenType._const:
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167 | if (!declaration) _util.unexpected.call(void 0, );
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168 |
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169 | case _types.TokenType._var:
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170 | parseVarStatement(starttype);
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171 | return;
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172 |
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173 | case _types.TokenType._while:
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174 | parseWhileStatement();
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175 | return;
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176 | case _types.TokenType.braceL:
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177 | parseBlock();
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178 | return;
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179 | case _types.TokenType.semi:
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180 | parseEmptyStatement();
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181 | return;
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182 | case _types.TokenType._export:
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183 | case _types.TokenType._import: {
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184 | const nextType = _tokenizer.lookaheadType.call(void 0, );
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185 | if (nextType === _types.TokenType.parenL || nextType === _types.TokenType.dot) {
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186 | break;
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187 | }
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188 | _tokenizer.next.call(void 0, );
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189 | if (starttype === _types.TokenType._import) {
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190 | parseImport();
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191 | } else {
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192 | parseExport();
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193 | }
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194 | return;
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195 | }
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196 | case _types.TokenType.name:
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197 | if (_base.state.contextualKeyword === _keywords.ContextualKeyword._async) {
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198 | const functionStart = _base.state.start;
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199 |
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200 | const snapshot = _base.state.snapshot();
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201 | _tokenizer.next.call(void 0, );
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202 | if (_tokenizer.match.call(void 0, _types.TokenType._function) && !_util.canInsertSemicolon.call(void 0, )) {
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203 | _util.expect.call(void 0, _types.TokenType._function);
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204 | parseFunction(functionStart, true);
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205 | return;
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206 | } else {
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207 | _base.state.restoreFromSnapshot(snapshot);
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208 | }
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209 | }
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210 | default:
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211 |
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212 | break;
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213 | }
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214 |
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215 |
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216 |
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217 |
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218 |
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219 |
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220 | const initialTokensLength = _base.state.tokens.length;
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221 | _expression.parseExpression.call(void 0, );
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222 | let simpleName = null;
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223 | if (_base.state.tokens.length === initialTokensLength + 1) {
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224 | const token = _base.state.tokens[_base.state.tokens.length - 1];
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225 | if (token.type === _types.TokenType.name) {
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226 | simpleName = token.contextualKeyword;
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227 | }
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228 | }
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229 | if (simpleName == null) {
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230 | _util.semicolon.call(void 0, );
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231 | return;
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232 | }
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233 | if (_tokenizer.eat.call(void 0, _types.TokenType.colon)) {
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234 | parseLabeledStatement();
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235 | } else {
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236 |
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237 | parseIdentifierStatement(simpleName);
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238 | }
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239 | }
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240 |
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241 | function parseDecorators() {
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242 | while (_tokenizer.match.call(void 0, _types.TokenType.at)) {
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243 | parseDecorator();
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244 | }
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245 | } exports.parseDecorators = parseDecorators;
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246 |
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247 | function parseDecorator() {
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248 | _tokenizer.next.call(void 0, );
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249 | if (_tokenizer.eat.call(void 0, _types.TokenType.parenL)) {
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250 | _expression.parseExpression.call(void 0, );
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251 | _util.expect.call(void 0, _types.TokenType.parenR);
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252 | } else {
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253 | _expression.parseIdentifier.call(void 0, );
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254 | while (_tokenizer.eat.call(void 0, _types.TokenType.dot)) {
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255 | _expression.parseIdentifier.call(void 0, );
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256 | }
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257 | }
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258 | parseMaybeDecoratorArguments();
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259 | }
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260 |
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261 | function parseMaybeDecoratorArguments() {
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262 | if (_base.isTypeScriptEnabled) {
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263 | _typescript.tsParseMaybeDecoratorArguments.call(void 0, );
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264 | } else {
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265 | baseParseMaybeDecoratorArguments();
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266 | }
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267 | }
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268 |
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269 | function baseParseMaybeDecoratorArguments() {
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270 | if (_tokenizer.eat.call(void 0, _types.TokenType.parenL)) {
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271 | _expression.parseCallExpressionArguments.call(void 0, );
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272 | }
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273 | } exports.baseParseMaybeDecoratorArguments = baseParseMaybeDecoratorArguments;
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274 |
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275 | function parseBreakContinueStatement() {
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276 | _tokenizer.next.call(void 0, );
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277 | if (!_util.isLineTerminator.call(void 0, )) {
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278 | _expression.parseIdentifier.call(void 0, );
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279 | _util.semicolon.call(void 0, );
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280 | }
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281 | }
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282 |
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283 | function parseDebuggerStatement() {
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284 | _tokenizer.next.call(void 0, );
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285 | _util.semicolon.call(void 0, );
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286 | }
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287 |
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288 | function parseDoStatement() {
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289 | _tokenizer.next.call(void 0, );
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290 | parseStatement(false);
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291 | _util.expect.call(void 0, _types.TokenType._while);
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292 | _expression.parseParenExpression.call(void 0, );
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293 | _tokenizer.eat.call(void 0, _types.TokenType.semi);
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294 | }
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295 |
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296 | function parseForStatement() {
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297 | _base.state.scopeDepth++;
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298 | const startTokenIndex = _base.state.tokens.length;
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299 | parseAmbiguousForStatement();
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300 | const endTokenIndex = _base.state.tokens.length;
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301 | _base.state.scopes.push(new (0, _state.Scope)(startTokenIndex, endTokenIndex, false));
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302 | _base.state.scopeDepth--;
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303 | }
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304 |
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305 |
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306 |
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307 |
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308 |
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309 |
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310 |
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311 |
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312 | function parseAmbiguousForStatement() {
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313 | _tokenizer.next.call(void 0, );
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314 |
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315 | let forAwait = false;
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316 | if (_util.isContextual.call(void 0, _keywords.ContextualKeyword._await)) {
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317 | forAwait = true;
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318 | _tokenizer.next.call(void 0, );
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319 | }
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320 | _util.expect.call(void 0, _types.TokenType.parenL);
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321 |
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322 | if (_tokenizer.match.call(void 0, _types.TokenType.semi)) {
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323 | if (forAwait) {
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324 | _util.unexpected.call(void 0, );
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325 | }
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326 | parseFor();
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327 | return;
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328 | }
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329 |
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330 | if (_tokenizer.match.call(void 0, _types.TokenType._var) || _tokenizer.match.call(void 0, _types.TokenType._let) || _tokenizer.match.call(void 0, _types.TokenType._const)) {
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331 | const varKind = _base.state.type;
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332 | _tokenizer.next.call(void 0, );
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333 | parseVar(true, varKind);
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334 | if (_tokenizer.match.call(void 0, _types.TokenType._in) || _util.isContextual.call(void 0, _keywords.ContextualKeyword._of)) {
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335 | parseForIn(forAwait);
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336 | return;
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337 | }
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338 | parseFor();
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339 | return;
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340 | }
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341 |
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342 | _expression.parseExpression.call(void 0, true);
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343 | if (_tokenizer.match.call(void 0, _types.TokenType._in) || _util.isContextual.call(void 0, _keywords.ContextualKeyword._of)) {
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344 | parseForIn(forAwait);
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345 | return;
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346 | }
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347 | if (forAwait) {
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348 | _util.unexpected.call(void 0, );
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349 | }
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350 | parseFor();
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351 | }
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352 |
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353 | function parseFunctionStatement() {
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354 | const functionStart = _base.state.start;
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355 | _tokenizer.next.call(void 0, );
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356 | parseFunction(functionStart, true);
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357 | }
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358 |
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359 | function parseIfStatement() {
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360 | _tokenizer.next.call(void 0, );
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361 | _expression.parseParenExpression.call(void 0, );
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362 | parseStatement(false);
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363 | if (_tokenizer.eat.call(void 0, _types.TokenType._else)) {
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364 | parseStatement(false);
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365 | }
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366 | }
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367 |
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368 | function parseReturnStatement() {
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369 | _tokenizer.next.call(void 0, );
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370 |
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371 |
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372 |
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373 |
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374 |
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375 | if (!_util.isLineTerminator.call(void 0, )) {
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376 | _expression.parseExpression.call(void 0, );
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377 | _util.semicolon.call(void 0, );
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378 | }
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379 | }
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380 |
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381 | function parseSwitchStatement() {
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382 | _tokenizer.next.call(void 0, );
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383 | _expression.parseParenExpression.call(void 0, );
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384 | _base.state.scopeDepth++;
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385 | const startTokenIndex = _base.state.tokens.length;
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386 | _util.expect.call(void 0, _types.TokenType.braceL);
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387 |
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388 |
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389 | while (!_tokenizer.match.call(void 0, _types.TokenType.braceR) && !_base.state.error) {
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390 | if (_tokenizer.match.call(void 0, _types.TokenType._case) || _tokenizer.match.call(void 0, _types.TokenType._default)) {
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391 | const isCase = _tokenizer.match.call(void 0, _types.TokenType._case);
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392 | _tokenizer.next.call(void 0, );
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393 | if (isCase) {
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394 | _expression.parseExpression.call(void 0, );
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395 | }
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396 | _util.expect.call(void 0, _types.TokenType.colon);
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397 | } else {
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398 | parseStatement(true);
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399 | }
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400 | }
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401 | _tokenizer.next.call(void 0, );
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402 | const endTokenIndex = _base.state.tokens.length;
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403 | _base.state.scopes.push(new (0, _state.Scope)(startTokenIndex, endTokenIndex, false));
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404 | _base.state.scopeDepth--;
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405 | }
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406 |
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407 | function parseThrowStatement() {
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408 | _tokenizer.next.call(void 0, );
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409 | _expression.parseExpression.call(void 0, );
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410 | _util.semicolon.call(void 0, );
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411 | }
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412 |
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413 | function parseCatchClauseParam() {
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414 | _lval.parseBindingAtom.call(void 0, true );
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415 |
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416 | if (_base.isTypeScriptEnabled) {
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417 | _typescript.tsTryParseTypeAnnotation.call(void 0, );
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418 | }
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419 | }
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420 |
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421 | function parseTryStatement() {
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422 | _tokenizer.next.call(void 0, );
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423 |
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424 | parseBlock();
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425 |
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426 | if (_tokenizer.match.call(void 0, _types.TokenType._catch)) {
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427 | _tokenizer.next.call(void 0, );
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428 | let catchBindingStartTokenIndex = null;
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429 | if (_tokenizer.match.call(void 0, _types.TokenType.parenL)) {
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430 | _base.state.scopeDepth++;
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431 | catchBindingStartTokenIndex = _base.state.tokens.length;
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432 | _util.expect.call(void 0, _types.TokenType.parenL);
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433 | parseCatchClauseParam();
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434 | _util.expect.call(void 0, _types.TokenType.parenR);
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435 | }
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436 | parseBlock();
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437 | if (catchBindingStartTokenIndex != null) {
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438 |
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439 |
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440 | const endTokenIndex = _base.state.tokens.length;
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441 | _base.state.scopes.push(new (0, _state.Scope)(catchBindingStartTokenIndex, endTokenIndex, false));
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442 | _base.state.scopeDepth--;
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443 | }
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444 | }
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445 | if (_tokenizer.eat.call(void 0, _types.TokenType._finally)) {
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446 | parseBlock();
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447 | }
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448 | }
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449 |
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450 | function parseVarStatement(kind) {
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451 | _tokenizer.next.call(void 0, );
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452 | parseVar(false, kind);
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453 | _util.semicolon.call(void 0, );
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454 | } exports.parseVarStatement = parseVarStatement;
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455 |
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456 | function parseWhileStatement() {
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457 | _tokenizer.next.call(void 0, );
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458 | _expression.parseParenExpression.call(void 0, );
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459 | parseStatement(false);
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460 | }
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461 |
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462 | function parseEmptyStatement() {
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463 | _tokenizer.next.call(void 0, );
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464 | }
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465 |
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466 | function parseLabeledStatement() {
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467 | parseStatement(true);
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468 | }
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469 |
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470 |
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471 |
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472 |
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473 |
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474 | function parseIdentifierStatement(contextualKeyword) {
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475 | if (_base.isTypeScriptEnabled) {
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476 | _typescript.tsParseIdentifierStatement.call(void 0, contextualKeyword);
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477 | } else if (_base.isFlowEnabled) {
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478 | _flow.flowParseIdentifierStatement.call(void 0, contextualKeyword);
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479 | } else {
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480 | _util.semicolon.call(void 0, );
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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 | function parseBlock(isFunctionScope = false, contextId = 0) {
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486 | const startTokenIndex = _base.state.tokens.length;
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487 | _base.state.scopeDepth++;
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488 | _util.expect.call(void 0, _types.TokenType.braceL);
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489 | if (contextId) {
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490 | _base.state.tokens[_base.state.tokens.length - 1].contextId = contextId;
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491 | }
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492 | parseBlockBody(_types.TokenType.braceR);
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493 | if (contextId) {
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494 | _base.state.tokens[_base.state.tokens.length - 1].contextId = contextId;
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495 | }
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496 | const endTokenIndex = _base.state.tokens.length;
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497 | _base.state.scopes.push(new (0, _state.Scope)(startTokenIndex, endTokenIndex, isFunctionScope));
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498 | _base.state.scopeDepth--;
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499 | } exports.parseBlock = parseBlock;
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500 |
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501 | function parseBlockBody(end) {
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502 | while (!_tokenizer.eat.call(void 0, end) && !_base.state.error) {
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503 | parseStatement(true);
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504 | }
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505 | } exports.parseBlockBody = parseBlockBody;
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506 |
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507 |
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508 |
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509 |
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510 |
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511 | function parseFor() {
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512 | _util.expect.call(void 0, _types.TokenType.semi);
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513 | if (!_tokenizer.match.call(void 0, _types.TokenType.semi)) {
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514 | _expression.parseExpression.call(void 0, );
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515 | }
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516 | _util.expect.call(void 0, _types.TokenType.semi);
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517 | if (!_tokenizer.match.call(void 0, _types.TokenType.parenR)) {
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518 | _expression.parseExpression.call(void 0, );
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519 | }
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520 | _util.expect.call(void 0, _types.TokenType.parenR);
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521 | parseStatement(false);
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522 | }
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523 |
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524 |
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525 |
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526 |
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527 | function parseForIn(forAwait) {
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528 | if (forAwait) {
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529 | _util.eatContextual.call(void 0, _keywords.ContextualKeyword._of);
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530 | } else {
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531 | _tokenizer.next.call(void 0, );
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532 | }
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533 | _expression.parseExpression.call(void 0, );
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534 | _util.expect.call(void 0, _types.TokenType.parenR);
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535 | parseStatement(false);
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536 | }
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537 |
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538 |
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539 |
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540 | function parseVar(isFor, kind) {
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541 | while (true) {
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542 | const isBlockScope = kind === _types.TokenType._const || kind === _types.TokenType._let;
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543 | parseVarHead(isBlockScope);
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544 | if (_tokenizer.eat.call(void 0, _types.TokenType.eq)) {
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545 | const eqIndex = _base.state.tokens.length - 1;
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546 | _expression.parseMaybeAssign.call(void 0, isFor);
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547 | _base.state.tokens[eqIndex].rhsEndIndex = _base.state.tokens.length;
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548 | }
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549 | if (!_tokenizer.eat.call(void 0, _types.TokenType.comma)) {
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550 | break;
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551 | }
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552 | }
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553 | }
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554 |
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555 | function parseVarHead(isBlockScope) {
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556 | _lval.parseBindingAtom.call(void 0, isBlockScope);
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557 | if (_base.isTypeScriptEnabled) {
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558 | _typescript.tsAfterParseVarHead.call(void 0, );
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559 | } else if (_base.isFlowEnabled) {
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560 | _flow.flowAfterParseVarHead.call(void 0, );
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561 | }
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562 | }
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563 |
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564 |
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565 |
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566 |
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567 | function parseFunction(
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568 | functionStart,
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569 | isStatement,
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570 | optionalId = false,
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571 | ) {
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572 | if (_tokenizer.match.call(void 0, _types.TokenType.star)) {
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573 | _tokenizer.next.call(void 0, );
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574 | }
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575 |
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576 | if (isStatement && !optionalId && !_tokenizer.match.call(void 0, _types.TokenType.name) && !_tokenizer.match.call(void 0, _types.TokenType._yield)) {
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577 | _util.unexpected.call(void 0, );
|
578 | }
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579 |
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580 | let nameScopeStartTokenIndex = null;
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581 |
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582 | if (_tokenizer.match.call(void 0, _types.TokenType.name)) {
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583 |
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584 |
|
585 | if (!isStatement) {
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586 | nameScopeStartTokenIndex = _base.state.tokens.length;
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587 | _base.state.scopeDepth++;
|
588 | }
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589 | _lval.parseBindingIdentifier.call(void 0, false);
|
590 | }
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591 |
|
592 | const startTokenIndex = _base.state.tokens.length;
|
593 | _base.state.scopeDepth++;
|
594 | parseFunctionParams();
|
595 | _expression.parseFunctionBodyAndFinish.call(void 0, functionStart);
|
596 | const endTokenIndex = _base.state.tokens.length;
|
597 |
|
598 |
|
599 | _base.state.scopes.push(new (0, _state.Scope)(startTokenIndex, endTokenIndex, true));
|
600 | _base.state.scopeDepth--;
|
601 | if (nameScopeStartTokenIndex !== null) {
|
602 | _base.state.scopes.push(new (0, _state.Scope)(nameScopeStartTokenIndex, endTokenIndex, true));
|
603 | _base.state.scopeDepth--;
|
604 | }
|
605 | } exports.parseFunction = parseFunction;
|
606 |
|
607 | function parseFunctionParams(
|
608 | allowModifiers = false,
|
609 | funcContextId = 0,
|
610 | ) {
|
611 | if (_base.isTypeScriptEnabled) {
|
612 | _typescript.tsStartParseFunctionParams.call(void 0, );
|
613 | } else if (_base.isFlowEnabled) {
|
614 | _flow.flowStartParseFunctionParams.call(void 0, );
|
615 | }
|
616 |
|
617 | _util.expect.call(void 0, _types.TokenType.parenL);
|
618 | if (funcContextId) {
|
619 | _base.state.tokens[_base.state.tokens.length - 1].contextId = funcContextId;
|
620 | }
|
621 | _lval.parseBindingList.call(void 0,
|
622 | _types.TokenType.parenR,
|
623 | false ,
|
624 | false ,
|
625 | allowModifiers,
|
626 | funcContextId,
|
627 | );
|
628 | if (funcContextId) {
|
629 | _base.state.tokens[_base.state.tokens.length - 1].contextId = funcContextId;
|
630 | }
|
631 | } exports.parseFunctionParams = parseFunctionParams;
|
632 |
|
633 |
|
634 |
|
635 |
|
636 | function parseClass(isStatement, optionalId = false) {
|
637 |
|
638 |
|
639 | const contextId = _base.getNextContextId.call(void 0, );
|
640 |
|
641 | _tokenizer.next.call(void 0, );
|
642 | _base.state.tokens[_base.state.tokens.length - 1].contextId = contextId;
|
643 | _base.state.tokens[_base.state.tokens.length - 1].isExpression = !isStatement;
|
644 |
|
645 |
|
646 |
|
647 | let nameScopeStartTokenIndex = null;
|
648 | if (!isStatement) {
|
649 | nameScopeStartTokenIndex = _base.state.tokens.length;
|
650 | _base.state.scopeDepth++;
|
651 | }
|
652 | parseClassId(isStatement, optionalId);
|
653 | parseClassSuper();
|
654 | const openBraceIndex = _base.state.tokens.length;
|
655 | parseClassBody(contextId);
|
656 | if (_base.state.error) {
|
657 | return;
|
658 | }
|
659 | _base.state.tokens[openBraceIndex].contextId = contextId;
|
660 | _base.state.tokens[_base.state.tokens.length - 1].contextId = contextId;
|
661 | if (nameScopeStartTokenIndex !== null) {
|
662 | const endTokenIndex = _base.state.tokens.length;
|
663 | _base.state.scopes.push(new (0, _state.Scope)(nameScopeStartTokenIndex, endTokenIndex, false));
|
664 | _base.state.scopeDepth--;
|
665 | }
|
666 | } exports.parseClass = parseClass;
|
667 |
|
668 | function isClassProperty() {
|
669 | return _tokenizer.match.call(void 0, _types.TokenType.eq) || _tokenizer.match.call(void 0, _types.TokenType.semi) || _tokenizer.match.call(void 0, _types.TokenType.braceR) || _tokenizer.match.call(void 0, _types.TokenType.bang) || _tokenizer.match.call(void 0, _types.TokenType.colon);
|
670 | }
|
671 |
|
672 | function isClassMethod() {
|
673 | return _tokenizer.match.call(void 0, _types.TokenType.parenL) || _tokenizer.match.call(void 0, _types.TokenType.lessThan);
|
674 | }
|
675 |
|
676 | function parseClassBody(classContextId) {
|
677 | _util.expect.call(void 0, _types.TokenType.braceL);
|
678 |
|
679 | while (!_tokenizer.eat.call(void 0, _types.TokenType.braceR) && !_base.state.error) {
|
680 | if (_tokenizer.eat.call(void 0, _types.TokenType.semi)) {
|
681 | continue;
|
682 | }
|
683 |
|
684 | if (_tokenizer.match.call(void 0, _types.TokenType.at)) {
|
685 | parseDecorator();
|
686 | continue;
|
687 | }
|
688 | const memberStart = _base.state.start;
|
689 | parseClassMember(memberStart, classContextId);
|
690 | }
|
691 | }
|
692 |
|
693 | function parseClassMember(memberStart, classContextId) {
|
694 | if (_base.isTypeScriptEnabled) {
|
695 | _typescript.tsParseModifiers.call(void 0, [
|
696 | _keywords.ContextualKeyword._declare,
|
697 | _keywords.ContextualKeyword._public,
|
698 | _keywords.ContextualKeyword._protected,
|
699 | _keywords.ContextualKeyword._private,
|
700 | _keywords.ContextualKeyword._override,
|
701 | ]);
|
702 | }
|
703 | let isStatic = false;
|
704 | if (_tokenizer.match.call(void 0, _types.TokenType.name) && _base.state.contextualKeyword === _keywords.ContextualKeyword._static) {
|
705 | _expression.parseIdentifier.call(void 0, );
|
706 | if (isClassMethod()) {
|
707 | parseClassMethod(memberStart, false);
|
708 | return;
|
709 | } else if (isClassProperty()) {
|
710 | parseClassProperty();
|
711 | return;
|
712 | }
|
713 |
|
714 | _base.state.tokens[_base.state.tokens.length - 1].type = _types.TokenType._static;
|
715 | isStatic = true;
|
716 |
|
717 | if (_tokenizer.match.call(void 0, _types.TokenType.braceL)) {
|
718 |
|
719 |
|
720 | _base.state.tokens[_base.state.tokens.length - 1].contextId = classContextId;
|
721 | parseBlock();
|
722 | return;
|
723 | }
|
724 | }
|
725 |
|
726 | parseClassMemberWithIsStatic(memberStart, isStatic, classContextId);
|
727 | }
|
728 |
|
729 | function parseClassMemberWithIsStatic(
|
730 | memberStart,
|
731 | isStatic,
|
732 | classContextId,
|
733 | ) {
|
734 | if (_base.isTypeScriptEnabled) {
|
735 | if (_typescript.tsTryParseClassMemberWithIsStatic.call(void 0, isStatic)) {
|
736 | return;
|
737 | }
|
738 | }
|
739 | if (_tokenizer.eat.call(void 0, _types.TokenType.star)) {
|
740 |
|
741 | parseClassPropertyName(classContextId);
|
742 | parseClassMethod(memberStart, false);
|
743 | return;
|
744 | }
|
745 |
|
746 |
|
747 |
|
748 | parseClassPropertyName(classContextId);
|
749 | let isConstructor = false;
|
750 | const token = _base.state.tokens[_base.state.tokens.length - 1];
|
751 |
|
752 | if (token.contextualKeyword === _keywords.ContextualKeyword._constructor) {
|
753 | isConstructor = true;
|
754 | }
|
755 | parsePostMemberNameModifiers();
|
756 |
|
757 | if (isClassMethod()) {
|
758 | parseClassMethod(memberStart, isConstructor);
|
759 | } else if (isClassProperty()) {
|
760 | parseClassProperty();
|
761 | } else if (token.contextualKeyword === _keywords.ContextualKeyword._async && !_util.isLineTerminator.call(void 0, )) {
|
762 | _base.state.tokens[_base.state.tokens.length - 1].type = _types.TokenType._async;
|
763 |
|
764 | const isGenerator = _tokenizer.match.call(void 0, _types.TokenType.star);
|
765 | if (isGenerator) {
|
766 | _tokenizer.next.call(void 0, );
|
767 | }
|
768 |
|
769 |
|
770 | parseClassPropertyName(classContextId);
|
771 | parsePostMemberNameModifiers();
|
772 | parseClassMethod(memberStart, false );
|
773 | } else if (
|
774 | (token.contextualKeyword === _keywords.ContextualKeyword._get ||
|
775 | token.contextualKeyword === _keywords.ContextualKeyword._set) &&
|
776 | !(_util.isLineTerminator.call(void 0, ) && _tokenizer.match.call(void 0, _types.TokenType.star))
|
777 | ) {
|
778 | if (token.contextualKeyword === _keywords.ContextualKeyword._get) {
|
779 | _base.state.tokens[_base.state.tokens.length - 1].type = _types.TokenType._get;
|
780 | } else {
|
781 | _base.state.tokens[_base.state.tokens.length - 1].type = _types.TokenType._set;
|
782 | }
|
783 |
|
784 |
|
785 |
|
786 | parseClassPropertyName(classContextId);
|
787 | parseClassMethod(memberStart, false);
|
788 | } else if (_util.isLineTerminator.call(void 0, )) {
|
789 |
|
790 | parseClassProperty();
|
791 | } else {
|
792 | _util.unexpected.call(void 0, );
|
793 | }
|
794 | }
|
795 |
|
796 | function parseClassMethod(functionStart, isConstructor) {
|
797 | if (_base.isTypeScriptEnabled) {
|
798 | _typescript.tsTryParseTypeParameters.call(void 0, );
|
799 | } else if (_base.isFlowEnabled) {
|
800 | if (_tokenizer.match.call(void 0, _types.TokenType.lessThan)) {
|
801 | _flow.flowParseTypeParameterDeclaration.call(void 0, );
|
802 | }
|
803 | }
|
804 | _expression.parseMethod.call(void 0, functionStart, isConstructor);
|
805 | }
|
806 |
|
807 |
|
808 | function parseClassPropertyName(classContextId) {
|
809 | _expression.parsePropertyName.call(void 0, classContextId);
|
810 | } exports.parseClassPropertyName = parseClassPropertyName;
|
811 |
|
812 | function parsePostMemberNameModifiers() {
|
813 | if (_base.isTypeScriptEnabled) {
|
814 | const oldIsType = _tokenizer.pushTypeContext.call(void 0, 0);
|
815 | _tokenizer.eat.call(void 0, _types.TokenType.question);
|
816 | _tokenizer.popTypeContext.call(void 0, oldIsType);
|
817 | }
|
818 | } exports.parsePostMemberNameModifiers = parsePostMemberNameModifiers;
|
819 |
|
820 | function parseClassProperty() {
|
821 | if (_base.isTypeScriptEnabled) {
|
822 | _tokenizer.eat.call(void 0, _types.TokenType.bang);
|
823 | _typescript.tsTryParseTypeAnnotation.call(void 0, );
|
824 | } else if (_base.isFlowEnabled) {
|
825 | if (_tokenizer.match.call(void 0, _types.TokenType.colon)) {
|
826 | _flow.flowParseTypeAnnotation.call(void 0, );
|
827 | }
|
828 | }
|
829 |
|
830 | if (_tokenizer.match.call(void 0, _types.TokenType.eq)) {
|
831 | const equalsTokenIndex = _base.state.tokens.length;
|
832 | _tokenizer.next.call(void 0, );
|
833 | _expression.parseMaybeAssign.call(void 0, );
|
834 | _base.state.tokens[equalsTokenIndex].rhsEndIndex = _base.state.tokens.length;
|
835 | }
|
836 | _util.semicolon.call(void 0, );
|
837 | } exports.parseClassProperty = parseClassProperty;
|
838 |
|
839 | function parseClassId(isStatement, optionalId = false) {
|
840 | if (
|
841 | _base.isTypeScriptEnabled &&
|
842 | (!isStatement || optionalId) &&
|
843 | _util.isContextual.call(void 0, _keywords.ContextualKeyword._implements)
|
844 | ) {
|
845 | return;
|
846 | }
|
847 |
|
848 | if (_tokenizer.match.call(void 0, _types.TokenType.name)) {
|
849 | _lval.parseBindingIdentifier.call(void 0, true);
|
850 | }
|
851 |
|
852 | if (_base.isTypeScriptEnabled) {
|
853 | _typescript.tsTryParseTypeParameters.call(void 0, );
|
854 | } else if (_base.isFlowEnabled) {
|
855 | if (_tokenizer.match.call(void 0, _types.TokenType.lessThan)) {
|
856 | _flow.flowParseTypeParameterDeclaration.call(void 0, );
|
857 | }
|
858 | }
|
859 | }
|
860 |
|
861 |
|
862 | function parseClassSuper() {
|
863 | let hasSuper = false;
|
864 | if (_tokenizer.eat.call(void 0, _types.TokenType._extends)) {
|
865 | _expression.parseExprSubscripts.call(void 0, );
|
866 | hasSuper = true;
|
867 | } else {
|
868 | hasSuper = false;
|
869 | }
|
870 | if (_base.isTypeScriptEnabled) {
|
871 | _typescript.tsAfterParseClassSuper.call(void 0, hasSuper);
|
872 | } else if (_base.isFlowEnabled) {
|
873 | _flow.flowAfterParseClassSuper.call(void 0, hasSuper);
|
874 | }
|
875 | }
|
876 |
|
877 |
|
878 |
|
879 | function parseExport() {
|
880 | const exportIndex = _base.state.tokens.length - 1;
|
881 | if (_base.isTypeScriptEnabled) {
|
882 | if (_typescript.tsTryParseExport.call(void 0, )) {
|
883 | return;
|
884 | }
|
885 | }
|
886 |
|
887 | if (shouldParseExportStar()) {
|
888 | parseExportStar();
|
889 | } else if (isExportDefaultSpecifier()) {
|
890 |
|
891 | _expression.parseIdentifier.call(void 0, );
|
892 | if (_tokenizer.match.call(void 0, _types.TokenType.comma) && _tokenizer.lookaheadType.call(void 0, ) === _types.TokenType.star) {
|
893 | _util.expect.call(void 0, _types.TokenType.comma);
|
894 | _util.expect.call(void 0, _types.TokenType.star);
|
895 | _util.expectContextual.call(void 0, _keywords.ContextualKeyword._as);
|
896 | _expression.parseIdentifier.call(void 0, );
|
897 | } else {
|
898 | parseExportSpecifiersMaybe();
|
899 | }
|
900 | parseExportFrom();
|
901 | } else if (_tokenizer.eat.call(void 0, _types.TokenType._default)) {
|
902 |
|
903 | parseExportDefaultExpression();
|
904 | } else if (shouldParseExportDeclaration()) {
|
905 | parseExportDeclaration();
|
906 | } else {
|
907 |
|
908 | parseExportSpecifiers();
|
909 | parseExportFrom();
|
910 | }
|
911 | _base.state.tokens[exportIndex].rhsEndIndex = _base.state.tokens.length;
|
912 | } exports.parseExport = parseExport;
|
913 |
|
914 | function parseExportDefaultExpression() {
|
915 | if (_base.isTypeScriptEnabled) {
|
916 | if (_typescript.tsTryParseExportDefaultExpression.call(void 0, )) {
|
917 | return;
|
918 | }
|
919 | }
|
920 | const functionStart = _base.state.start;
|
921 | if (_tokenizer.eat.call(void 0, _types.TokenType._function)) {
|
922 | parseFunction(functionStart, true, true);
|
923 | } else if (_util.isContextual.call(void 0, _keywords.ContextualKeyword._async) && _tokenizer.lookaheadType.call(void 0, ) === _types.TokenType._function) {
|
924 |
|
925 | _util.eatContextual.call(void 0, _keywords.ContextualKeyword._async);
|
926 | _tokenizer.eat.call(void 0, _types.TokenType._function);
|
927 | parseFunction(functionStart, true, true);
|
928 | } else if (_tokenizer.match.call(void 0, _types.TokenType._class)) {
|
929 | parseClass(true, true);
|
930 | } else if (_tokenizer.match.call(void 0, _types.TokenType.at)) {
|
931 | parseDecorators();
|
932 | parseClass(true, true);
|
933 | } else {
|
934 | _expression.parseMaybeAssign.call(void 0, );
|
935 | _util.semicolon.call(void 0, );
|
936 | }
|
937 | }
|
938 |
|
939 | function parseExportDeclaration() {
|
940 | if (_base.isTypeScriptEnabled) {
|
941 | _typescript.tsParseExportDeclaration.call(void 0, );
|
942 | } else if (_base.isFlowEnabled) {
|
943 | _flow.flowParseExportDeclaration.call(void 0, );
|
944 | } else {
|
945 | parseStatement(true);
|
946 | }
|
947 | }
|
948 |
|
949 | function isExportDefaultSpecifier() {
|
950 | if (_base.isTypeScriptEnabled && _typescript.tsIsDeclarationStart.call(void 0, )) {
|
951 | return false;
|
952 | } else if (_base.isFlowEnabled && _flow.flowShouldDisallowExportDefaultSpecifier.call(void 0, )) {
|
953 | return false;
|
954 | }
|
955 | if (_tokenizer.match.call(void 0, _types.TokenType.name)) {
|
956 | return _base.state.contextualKeyword !== _keywords.ContextualKeyword._async;
|
957 | }
|
958 |
|
959 | if (!_tokenizer.match.call(void 0, _types.TokenType._default)) {
|
960 | return false;
|
961 | }
|
962 |
|
963 | const _next = _tokenizer.nextTokenStart.call(void 0, );
|
964 | const lookahead = _tokenizer.lookaheadTypeAndKeyword.call(void 0, );
|
965 | const hasFrom =
|
966 | lookahead.type === _types.TokenType.name && lookahead.contextualKeyword === _keywords.ContextualKeyword._from;
|
967 | if (lookahead.type === _types.TokenType.comma) {
|
968 | return true;
|
969 | }
|
970 |
|
971 | if (hasFrom) {
|
972 | const nextAfterFrom = _base.input.charCodeAt(_tokenizer.nextTokenStartSince.call(void 0, _next + 4));
|
973 | return nextAfterFrom === _charcodes.charCodes.quotationMark || nextAfterFrom === _charcodes.charCodes.apostrophe;
|
974 | }
|
975 | return false;
|
976 | }
|
977 |
|
978 | function parseExportSpecifiersMaybe() {
|
979 | if (_tokenizer.eat.call(void 0, _types.TokenType.comma)) {
|
980 | parseExportSpecifiers();
|
981 | }
|
982 | }
|
983 |
|
984 | function parseExportFrom() {
|
985 | if (_util.eatContextual.call(void 0, _keywords.ContextualKeyword._from)) {
|
986 | _expression.parseExprAtom.call(void 0, );
|
987 | }
|
988 | _util.semicolon.call(void 0, );
|
989 | } exports.parseExportFrom = parseExportFrom;
|
990 |
|
991 | function shouldParseExportStar() {
|
992 | if (_base.isFlowEnabled) {
|
993 | return _flow.flowShouldParseExportStar.call(void 0, );
|
994 | } else {
|
995 | return _tokenizer.match.call(void 0, _types.TokenType.star);
|
996 | }
|
997 | }
|
998 |
|
999 | function parseExportStar() {
|
1000 | if (_base.isFlowEnabled) {
|
1001 | _flow.flowParseExportStar.call(void 0, );
|
1002 | } else {
|
1003 | baseParseExportStar();
|
1004 | }
|
1005 | }
|
1006 |
|
1007 | function baseParseExportStar() {
|
1008 | _util.expect.call(void 0, _types.TokenType.star);
|
1009 |
|
1010 | if (_util.isContextual.call(void 0, _keywords.ContextualKeyword._as)) {
|
1011 | parseExportNamespace();
|
1012 | } else {
|
1013 | parseExportFrom();
|
1014 | }
|
1015 | } exports.baseParseExportStar = baseParseExportStar;
|
1016 |
|
1017 | function parseExportNamespace() {
|
1018 | _tokenizer.next.call(void 0, );
|
1019 | _base.state.tokens[_base.state.tokens.length - 1].type = _types.TokenType._as;
|
1020 | _expression.parseIdentifier.call(void 0, );
|
1021 | parseExportSpecifiersMaybe();
|
1022 | parseExportFrom();
|
1023 | }
|
1024 |
|
1025 | function shouldParseExportDeclaration() {
|
1026 | return (
|
1027 | (_base.isTypeScriptEnabled && _typescript.tsIsDeclarationStart.call(void 0, )) ||
|
1028 | (_base.isFlowEnabled && _flow.flowShouldParseExportDeclaration.call(void 0, )) ||
|
1029 | _base.state.type === _types.TokenType._var ||
|
1030 | _base.state.type === _types.TokenType._const ||
|
1031 | _base.state.type === _types.TokenType._let ||
|
1032 | _base.state.type === _types.TokenType._function ||
|
1033 | _base.state.type === _types.TokenType._class ||
|
1034 | _util.isContextual.call(void 0, _keywords.ContextualKeyword._async) ||
|
1035 | _tokenizer.match.call(void 0, _types.TokenType.at)
|
1036 | );
|
1037 | }
|
1038 |
|
1039 |
|
1040 | function parseExportSpecifiers() {
|
1041 | let first = true;
|
1042 |
|
1043 |
|
1044 | _util.expect.call(void 0, _types.TokenType.braceL);
|
1045 |
|
1046 | while (!_tokenizer.eat.call(void 0, _types.TokenType.braceR) && !_base.state.error) {
|
1047 | if (first) {
|
1048 | first = false;
|
1049 | } else {
|
1050 | _util.expect.call(void 0, _types.TokenType.comma);
|
1051 | if (_tokenizer.eat.call(void 0, _types.TokenType.braceR)) {
|
1052 | break;
|
1053 | }
|
1054 | }
|
1055 |
|
1056 | _expression.parseIdentifier.call(void 0, );
|
1057 | _base.state.tokens[_base.state.tokens.length - 1].identifierRole = _tokenizer.IdentifierRole.ExportAccess;
|
1058 | if (_util.eatContextual.call(void 0, _keywords.ContextualKeyword._as)) {
|
1059 | _expression.parseIdentifier.call(void 0, );
|
1060 | }
|
1061 | }
|
1062 | } exports.parseExportSpecifiers = parseExportSpecifiers;
|
1063 |
|
1064 |
|
1065 |
|
1066 | function parseImport() {
|
1067 | if (_base.isTypeScriptEnabled && _tokenizer.match.call(void 0, _types.TokenType.name) && _tokenizer.lookaheadType.call(void 0, ) === _types.TokenType.eq) {
|
1068 | _typescript.tsParseImportEqualsDeclaration.call(void 0, );
|
1069 | return;
|
1070 | }
|
1071 | if (_base.isTypeScriptEnabled && _util.isContextual.call(void 0, _keywords.ContextualKeyword._type)) {
|
1072 | const lookahead = _tokenizer.lookaheadType.call(void 0, );
|
1073 | if (lookahead === _types.TokenType.name) {
|
1074 |
|
1075 |
|
1076 |
|
1077 | _util.expectContextual.call(void 0, _keywords.ContextualKeyword._type);
|
1078 | if (_tokenizer.lookaheadType.call(void 0, ) === _types.TokenType.eq) {
|
1079 | _typescript.tsParseImportEqualsDeclaration.call(void 0, );
|
1080 | return;
|
1081 | }
|
1082 |
|
1083 |
|
1084 | } else if (lookahead === _types.TokenType.star || lookahead === _types.TokenType.braceL) {
|
1085 |
|
1086 |
|
1087 |
|
1088 |
|
1089 | _util.expectContextual.call(void 0, _keywords.ContextualKeyword._type);
|
1090 | }
|
1091 |
|
1092 | }
|
1093 |
|
1094 |
|
1095 | if (_tokenizer.match.call(void 0, _types.TokenType.string)) {
|
1096 | _expression.parseExprAtom.call(void 0, );
|
1097 | } else {
|
1098 | parseImportSpecifiers();
|
1099 | _util.expectContextual.call(void 0, _keywords.ContextualKeyword._from);
|
1100 | _expression.parseExprAtom.call(void 0, );
|
1101 | }
|
1102 | _util.semicolon.call(void 0, );
|
1103 | } exports.parseImport = parseImport;
|
1104 |
|
1105 |
|
1106 | function shouldParseDefaultImport() {
|
1107 | return _tokenizer.match.call(void 0, _types.TokenType.name);
|
1108 | }
|
1109 |
|
1110 | function parseImportSpecifierLocal() {
|
1111 | _lval.parseImportedIdentifier.call(void 0, );
|
1112 | }
|
1113 |
|
1114 |
|
1115 | function parseImportSpecifiers() {
|
1116 | if (_base.isFlowEnabled) {
|
1117 | _flow.flowStartParseImportSpecifiers.call(void 0, );
|
1118 | }
|
1119 |
|
1120 | let first = true;
|
1121 | if (shouldParseDefaultImport()) {
|
1122 |
|
1123 | parseImportSpecifierLocal();
|
1124 |
|
1125 | if (!_tokenizer.eat.call(void 0, _types.TokenType.comma)) return;
|
1126 | }
|
1127 |
|
1128 | if (_tokenizer.match.call(void 0, _types.TokenType.star)) {
|
1129 | _tokenizer.next.call(void 0, );
|
1130 | _util.expectContextual.call(void 0, _keywords.ContextualKeyword._as);
|
1131 |
|
1132 | parseImportSpecifierLocal();
|
1133 |
|
1134 | return;
|
1135 | }
|
1136 |
|
1137 | _util.expect.call(void 0, _types.TokenType.braceL);
|
1138 | while (!_tokenizer.eat.call(void 0, _types.TokenType.braceR) && !_base.state.error) {
|
1139 | if (first) {
|
1140 | first = false;
|
1141 | } else {
|
1142 |
|
1143 | if (_tokenizer.eat.call(void 0, _types.TokenType.colon)) {
|
1144 | _util.unexpected.call(void 0,
|
1145 | "ES2015 named imports do not destructure. Use another statement for destructuring after the import.",
|
1146 | );
|
1147 | }
|
1148 |
|
1149 | _util.expect.call(void 0, _types.TokenType.comma);
|
1150 | if (_tokenizer.eat.call(void 0, _types.TokenType.braceR)) {
|
1151 | break;
|
1152 | }
|
1153 | }
|
1154 |
|
1155 | parseImportSpecifier();
|
1156 | }
|
1157 | }
|
1158 |
|
1159 | function parseImportSpecifier() {
|
1160 | if (_base.isFlowEnabled) {
|
1161 | _flow.flowParseImportSpecifier.call(void 0, );
|
1162 | return;
|
1163 | }
|
1164 | _lval.parseImportedIdentifier.call(void 0, );
|
1165 | if (_util.isContextual.call(void 0, _keywords.ContextualKeyword._as)) {
|
1166 | _base.state.tokens[_base.state.tokens.length - 1].identifierRole = _tokenizer.IdentifierRole.ImportAccess;
|
1167 | _tokenizer.next.call(void 0, );
|
1168 | _lval.parseImportedIdentifier.call(void 0, );
|
1169 | }
|
1170 | }
|