You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1 line
14 KiB
1 line
14 KiB
2 years ago
|
{"version":3,"names":["_scopeflags","require","_parseError","Scope","constructor","flags","var","Set","lexical","functions","exports","ScopeHandler","parser","inModule","scopeStack","undefinedExports","Map","inTopLevel","currentScope","SCOPE_PROGRAM","inFunction","currentVarScopeFlags","SCOPE_FUNCTION","allowSuper","currentThisScopeFlags","SCOPE_SUPER","allowDirectSuper","SCOPE_DIRECT_SUPER","inClass","SCOPE_CLASS","inClassAndNotInNonArrowFunction","inStaticBlock","i","length","SCOPE_STATIC_BLOCK","SCOPE_VAR","inNonArrowFunction","treatFunctionsAsVar","treatFunctionsAsVarInScope","createScope","enter","push","exit","scope","pop","declareName","name","bindingType","loc","BIND_SCOPE_LEXICAL","BIND_SCOPE_FUNCTION","checkRedeclarationInScope","add","maybeExportDefined","BIND_SCOPE_VAR","delete","isRedeclaredInScope","raise","Errors","VarRedeclaration","at","identifierName","BIND_KIND_VALUE","has","SCOPE_SIMPLE_CATCH","values","next","value","checkLocalExport","id","topLevelScope","set","start","SCOPE_ARROW","default"],"sources":["../../src/util/scope.ts"],"sourcesContent":["import {\n SCOPE_ARROW,\n SCOPE_DIRECT_SUPER,\n SCOPE_FUNCTION,\n SCOPE_SIMPLE_CATCH,\n SCOPE_SUPER,\n SCOPE_PROGRAM,\n SCOPE_VAR,\n SCOPE_CLASS,\n SCOPE_STATIC_BLOCK,\n BIND_SCOPE_FUNCTION,\n BIND_SCOPE_VAR,\n BIND_SCOPE_LEXICAL,\n BIND_KIND_VALUE,\n type ScopeFlags,\n type BindingTypes,\n} from \"./scopeflags\";\nimport type { Position } from \"./location\";\nimport type * as N from \"../types\";\nimport { Errors } from \"../parse-error\";\nimport type Tokenizer from \"../tokenizer\";\n\n// Start an AST node, attaching a start offset.\nexport class Scope {\n declare flags: ScopeFlags;\n // A set of var-declared names in the current lexical scope\n var: Set<string> = new Set();\n // A set of lexically-declared names in the current lexical scope\n lexical: Set<string> = new Set();\n // A set of lexically-declared FunctionDeclaration names in the current lexical scope\n functions: Set<string> = new Set();\n\n constructor(flags: ScopeFlags) {\n this.flags = flags;\n }\n}\n\n// The functions in this module keep track of declared variables in the\n// current scope in order to detect duplicate variable names.\nexport default class ScopeHandler<IScope extends Scope = Scope> {\n parser: Tokenizer;\n scopeStack: Array<IScope> = [];\n inModule: boolean;\n undefinedExports: Map<string, Position> = new Map();\n\n constructor(parser: Tokenizer, inModule: boolean) {\n this.parser = parser;\n this.inModule = inModule;\n }\n\n get inTopLevel() {\n return (this.currentScope().flags & SCOPE_PROGRAM) > 0;\n }\n get inFunction() {\n return (this.currentVarScopeFlags() & SCOPE_FUNCTION) > 0;\n }\n get allowSuper() {\n return (this.currentThisScopeFlags() & SCOPE_SUPER) > 0;\n }\n get allowDirectSuper() {\n return (this.currentThisScopeFlags() & SCOPE_DIRECT_SUPER) > 0;\n }\n get inClass() {\n return (this.currentThisScopeFlags() & SCOPE_CLASS) > 0;\n }\n get inClassAndNotInNonArrowFunction() {\n const flags = this.currentThisScopeFlags();\n return (flags & SCOPE_CLASS) > 0 && (flags & SCOPE_FUNCTION) === 0;\n }\n get inStaticBlock() {\n for (let i = this.scopeStack.length - 1; ; i--) {\n const { flags } = this.scopeStack[i];\n if (flags & SCOPE_STATIC_BLOCK) {\n return true;\n }\n if (flags & (SCOPE_VAR | SCOPE_CLASS)) {\n // function body, module body, class property initializers\n return false;\n }\n }\n }\n get inNonArrowFunction() {\n return (this.currentThisScopeFlags() & SCOPE_FUNCTION) > 0;\n }\n get treatFunctionsAsVar() {\n return this.treatFunctionsAsVarInScope(this.currentScope());\n }\n\n createScope(flags: ScopeFlags): Scope {\n return new Scope(flags);\n }\n\n enter(flags: ScopeFlags) {\n /*:: +createScope: (flags: ScopeFlags) => IScope; */\n // @ts-expect-error This method will be overwritten by subclasses\n this.scopeStack.push(this.createScope(flags));\n }\n\n exit(): ScopeFlags {\n const scope = this.sc
|