658 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			658 lines
		
	
	
		
			28 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.collectVariableUsage = exports.getDeclarationDomain = exports.getUsageDomain = exports.UsageDomain = exports.DeclarationDomain = void 0;
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const util_1 = require("./util");
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const ts = require("typescript");
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var DeclarationDomain;
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(function (DeclarationDomain) {
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    DeclarationDomain[DeclarationDomain["Namespace"] = 1] = "Namespace";
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    DeclarationDomain[DeclarationDomain["Type"] = 2] = "Type";
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    DeclarationDomain[DeclarationDomain["Value"] = 4] = "Value";
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    DeclarationDomain[DeclarationDomain["Import"] = 8] = "Import";
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    DeclarationDomain[DeclarationDomain["Any"] = 7] = "Any";
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})(DeclarationDomain = exports.DeclarationDomain || (exports.DeclarationDomain = {}));
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var UsageDomain;
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(function (UsageDomain) {
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    UsageDomain[UsageDomain["Namespace"] = 1] = "Namespace";
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    UsageDomain[UsageDomain["Type"] = 2] = "Type";
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    UsageDomain[UsageDomain["Value"] = 4] = "Value";
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    UsageDomain[UsageDomain["ValueOrNamespace"] = 5] = "ValueOrNamespace";
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    UsageDomain[UsageDomain["Any"] = 7] = "Any";
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    UsageDomain[UsageDomain["TypeQuery"] = 8] = "TypeQuery";
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})(UsageDomain = exports.UsageDomain || (exports.UsageDomain = {}));
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// TODO handle cases where values are used only for their types, e.g. `declare [propSymbol]: number`
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function getUsageDomain(node) {
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    const parent = node.parent;
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    switch (parent.kind) {
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        case ts.SyntaxKind.TypeReference:
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            return node.originalKeywordKind !== ts.SyntaxKind.ConstKeyword ? 2 /* Type */ : undefined;
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        case ts.SyntaxKind.ExpressionWithTypeArguments:
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            return parent.parent.token === ts.SyntaxKind.ImplementsKeyword ||
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                parent.parent.parent.kind === ts.SyntaxKind.InterfaceDeclaration
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                ? 2 /* Type */
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                : 4 /* Value */;
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        case ts.SyntaxKind.TypeQuery:
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            return 5 /* ValueOrNamespace */ | 8 /* TypeQuery */;
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        case ts.SyntaxKind.QualifiedName:
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            if (parent.left === node) {
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                if (getEntityNameParent(parent).kind === ts.SyntaxKind.TypeQuery)
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                    return 1 /* Namespace */ | 8 /* TypeQuery */;
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                return 1 /* Namespace */;
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            }
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            break;
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        case ts.SyntaxKind.ExportSpecifier:
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            // either {name} or {propertyName as name}
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            if (parent.propertyName === undefined ||
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                parent.propertyName === node)
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                return 7 /* Any */; // TODO handle type-only exports
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            break;
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        case ts.SyntaxKind.ExportAssignment:
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            return 7 /* Any */;
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        // Value
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        case ts.SyntaxKind.BindingElement:
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            if (parent.initializer === node)
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                return 5 /* ValueOrNamespace */;
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            break;
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        case ts.SyntaxKind.Parameter:
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        case ts.SyntaxKind.EnumMember:
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        case ts.SyntaxKind.PropertyDeclaration:
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        case ts.SyntaxKind.VariableDeclaration:
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        case ts.SyntaxKind.PropertyAssignment:
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        case ts.SyntaxKind.PropertyAccessExpression:
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        case ts.SyntaxKind.ImportEqualsDeclaration:
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            if (parent.name !== node)
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                return 5 /* ValueOrNamespace */; // TODO handle type-only imports
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            break;
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        case ts.SyntaxKind.JsxAttribute:
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        case ts.SyntaxKind.FunctionDeclaration:
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        case ts.SyntaxKind.FunctionExpression:
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        case ts.SyntaxKind.NamespaceImport:
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        case ts.SyntaxKind.ClassDeclaration:
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        case ts.SyntaxKind.ClassExpression:
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        case ts.SyntaxKind.ModuleDeclaration:
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        case ts.SyntaxKind.MethodDeclaration:
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        case ts.SyntaxKind.EnumDeclaration:
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        case ts.SyntaxKind.GetAccessor:
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        case ts.SyntaxKind.SetAccessor:
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        case ts.SyntaxKind.LabeledStatement:
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        case ts.SyntaxKind.BreakStatement:
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        case ts.SyntaxKind.ContinueStatement:
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        case ts.SyntaxKind.ImportClause:
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        case ts.SyntaxKind.ImportSpecifier:
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        case ts.SyntaxKind.TypePredicate: // TODO this actually references a parameter
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        case ts.SyntaxKind.MethodSignature:
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        case ts.SyntaxKind.PropertySignature:
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        case ts.SyntaxKind.NamespaceExportDeclaration:
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        case ts.SyntaxKind.NamespaceExport:
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        case ts.SyntaxKind.InterfaceDeclaration:
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        case ts.SyntaxKind.TypeAliasDeclaration:
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        case ts.SyntaxKind.TypeParameter:
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        case ts.SyntaxKind.NamedTupleMember:
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            break;
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        default:
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            return 5 /* ValueOrNamespace */;
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    }
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}
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exports.getUsageDomain = getUsageDomain;
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function getDeclarationDomain(node) {
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    switch (node.parent.kind) {
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        case ts.SyntaxKind.TypeParameter:
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        case ts.SyntaxKind.InterfaceDeclaration:
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        case ts.SyntaxKind.TypeAliasDeclaration:
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            return 2 /* Type */;
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        case ts.SyntaxKind.ClassDeclaration:
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        case ts.SyntaxKind.ClassExpression:
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            return 2 /* Type */ | 4 /* Value */;
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        case ts.SyntaxKind.EnumDeclaration:
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            return 7 /* Any */;
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        case ts.SyntaxKind.NamespaceImport:
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        case ts.SyntaxKind.ImportClause:
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            return 7 /* Any */ | 8 /* Import */; // TODO handle type-only imports
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        case ts.SyntaxKind.ImportEqualsDeclaration:
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        case ts.SyntaxKind.ImportSpecifier:
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            return node.parent.name === node
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                ? 7 /* Any */ | 8 /* Import */ // TODO handle type-only imports
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                : undefined;
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        case ts.SyntaxKind.ModuleDeclaration:
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            return 1 /* Namespace */;
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        case ts.SyntaxKind.Parameter:
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            if (node.parent.parent.kind === ts.SyntaxKind.IndexSignature || node.originalKeywordKind === ts.SyntaxKind.ThisKeyword)
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                return;
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        // falls through
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        case ts.SyntaxKind.BindingElement:
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        case ts.SyntaxKind.VariableDeclaration:
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            return node.parent.name === node ? 4 /* Value */ : undefined;
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        case ts.SyntaxKind.FunctionDeclaration:
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        case ts.SyntaxKind.FunctionExpression:
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            return 4 /* Value */;
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    }
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}
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exports.getDeclarationDomain = getDeclarationDomain;
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function collectVariableUsage(sourceFile) {
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    return new UsageWalker().getUsage(sourceFile);
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}
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exports.collectVariableUsage = collectVariableUsage;
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class AbstractScope {
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    constructor(_global) {
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        this._global = _global;
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        this._variables = new Map();
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        this._uses = [];
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        this._namespaceScopes = undefined;
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        this._enumScopes = undefined;
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    }
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    addVariable(identifier, name, selector, exported, domain) {
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        const variables = this.getDestinationScope(selector).getVariables();
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        const declaration = {
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            domain,
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            exported,
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            declaration: name,
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        };
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        const variable = variables.get(identifier);
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        if (variable === undefined) {
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            variables.set(identifier, {
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                domain,
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                declarations: [declaration],
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                uses: [],
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            });
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        }
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        else {
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            variable.domain |= domain;
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            variable.declarations.push(declaration);
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        }
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    }
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    addUse(use) {
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        this._uses.push(use);
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    }
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    getVariables() {
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        return this._variables;
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    }
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    getFunctionScope() {
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        return this;
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    }
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    end(cb) {
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        if (this._namespaceScopes !== undefined)
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            this._namespaceScopes.forEach((value) => value.finish(cb));
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        this._namespaceScopes = this._enumScopes = undefined;
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        this._applyUses();
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        this._variables.forEach((variable) => {
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            for (const declaration of variable.declarations) {
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                const result = {
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                    declarations: [],
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                    domain: declaration.domain,
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                    exported: declaration.exported,
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                    inGlobalScope: this._global,
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                    uses: [],
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                };
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                for (const other of variable.declarations)
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                    if (other.domain & declaration.domain)
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                        result.declarations.push(other.declaration);
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                for (const use of variable.uses)
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                    if (use.domain & declaration.domain)
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                        result.uses.push(use);
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                cb(result, declaration.declaration, this);
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            }
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        });
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    }
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    // tslint:disable-next-line:prefer-function-over-method
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    markExported(_name) { } // only relevant for the root scope
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    createOrReuseNamespaceScope(name, _exported, ambient, hasExportStatement) {
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        let scope;
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        if (this._namespaceScopes === undefined) {
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            this._namespaceScopes = new Map();
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        }
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        else {
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            scope = this._namespaceScopes.get(name);
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        }
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        if (scope === undefined) {
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            scope = new NamespaceScope(ambient, hasExportStatement, this);
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            this._namespaceScopes.set(name, scope);
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        }
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        else {
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            scope.refresh(ambient, hasExportStatement);
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        }
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        return scope;
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    }
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    createOrReuseEnumScope(name, _exported) {
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        let scope;
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        if (this._enumScopes === undefined) {
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            this._enumScopes = new Map();
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        }
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        else {
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            scope = this._enumScopes.get(name);
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        }
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        if (scope === undefined) {
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            scope = new EnumScope(this);
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            this._enumScopes.set(name, scope);
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        }
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        return scope;
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    }
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    _applyUses() {
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        for (const use of this._uses)
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            if (!this._applyUse(use))
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                this._addUseToParent(use);
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        this._uses = [];
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    }
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    _applyUse(use, variables = this._variables) {
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        const variable = variables.get(use.location.text);
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        if (variable === undefined || (variable.domain & use.domain) === 0)
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            return false;
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        variable.uses.push(use);
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        return true;
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    }
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    _addUseToParent(_use) { } // tslint:disable-line:prefer-function-over-method
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}
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class RootScope extends AbstractScope {
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    constructor(_exportAll, global) {
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        super(global);
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        this._exportAll = _exportAll;
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        this._exports = undefined;
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        this._innerScope = new NonRootScope(this, 1 /* Function */);
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    }
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    addVariable(identifier, name, selector, exported, domain) {
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        if (domain & 8 /* Import */)
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            return super.addVariable(identifier, name, selector, exported, domain);
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        return this._innerScope.addVariable(identifier, name, selector, exported, domain);
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    }
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    addUse(use, origin) {
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        if (origin === this._innerScope)
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            return super.addUse(use);
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        return this._innerScope.addUse(use);
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    }
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    markExported(id) {
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        if (this._exports === undefined) {
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            this._exports = [id.text];
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        }
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        else {
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            this._exports.push(id.text);
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        }
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    }
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    end(cb) {
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        this._innerScope.end((value, key) => {
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            value.exported = value.exported || this._exportAll
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                || this._exports !== undefined && this._exports.includes(key.text);
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            value.inGlobalScope = this._global;
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            return cb(value, key, this);
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        });
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        return super.end((value, key, scope) => {
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            value.exported = value.exported || scope === this
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                && this._exports !== undefined && this._exports.includes(key.text);
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            return cb(value, key, scope);
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        });
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    }
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    getDestinationScope() {
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        return this;
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    }
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}
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class NonRootScope extends AbstractScope {
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    constructor(_parent, _boundary) {
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        super(false);
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        this._parent = _parent;
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        this._boundary = _boundary;
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    }
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    _addUseToParent(use) {
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        return this._parent.addUse(use, this);
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    }
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    getDestinationScope(selector) {
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        return this._boundary & selector
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            ? this
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            : this._parent.getDestinationScope(selector);
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    }
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}
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class EnumScope extends NonRootScope {
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    constructor(parent) {
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        super(parent, 1 /* Function */);
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    }
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    end() {
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        this._applyUses();
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    }
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}
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class ConditionalTypeScope extends NonRootScope {
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    constructor(parent) {
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        super(parent, 8 /* ConditionalType */);
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        this._state = 0 /* Initial */;
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    }
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    updateState(newState) {
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        this._state = newState;
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    }
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    addUse(use) {
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        if (this._state === 2 /* TrueType */)
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            return void this._uses.push(use);
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        return this._parent.addUse(use, this);
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    }
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}
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class FunctionScope extends NonRootScope {
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    constructor(parent) {
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        super(parent, 1 /* Function */);
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    }
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    beginBody() {
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        this._applyUses();
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    }
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}
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class AbstractNamedExpressionScope extends NonRootScope {
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    constructor(_name, _domain, parent) {
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        super(parent, 1 /* Function */);
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        this._name = _name;
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        this._domain = _domain;
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    }
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    end(cb) {
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        this._innerScope.end(cb);
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        return cb({
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            declarations: [this._name],
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            domain: this._domain,
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            exported: false,
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            uses: this._uses,
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            inGlobalScope: false,
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        }, this._name, this);
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    }
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    addUse(use, source) {
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        if (source !== this._innerScope)
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            return this._innerScope.addUse(use);
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        if (use.domain & this._domain && use.location.text === this._name.text) {
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            this._uses.push(use);
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        }
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        else {
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            return this._parent.addUse(use, this);
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        }
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    }
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    getFunctionScope() {
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        return this._innerScope;
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    }
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    getDestinationScope() {
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        return this._innerScope;
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    }
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}
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class FunctionExpressionScope extends AbstractNamedExpressionScope {
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    constructor(name, parent) {
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        super(name, 4 /* Value */, parent);
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        this._innerScope = new FunctionScope(this);
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    }
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    beginBody() {
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        return this._innerScope.beginBody();
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    }
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}
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class ClassExpressionScope extends AbstractNamedExpressionScope {
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    constructor(name, parent) {
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        super(name, 4 /* Value */ | 2 /* Type */, parent);
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        this._innerScope = new NonRootScope(this, 1 /* Function */);
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    }
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}
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class BlockScope extends NonRootScope {
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    constructor(_functionScope, parent) {
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        super(parent, 2 /* Block */);
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        this._functionScope = _functionScope;
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    }
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    getFunctionScope() {
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        return this._functionScope;
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    }
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}
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function mapDeclaration(declaration) {
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    return {
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        declaration,
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        exported: true,
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        domain: getDeclarationDomain(declaration),
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    };
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}
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class NamespaceScope extends NonRootScope {
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    constructor(_ambient, _hasExport, parent) {
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						|
        super(parent, 1 /* Function */);
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						|
        this._ambient = _ambient;
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						|
        this._hasExport = _hasExport;
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						|
        this._innerScope = new NonRootScope(this, 1 /* Function */);
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						|
        this._exports = undefined;
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						|
    }
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    finish(cb) {
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        return super.end(cb);
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    }
 | 
						|
    end(cb) {
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        this._innerScope.end((variable, key, scope) => {
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            if (scope !== this._innerScope ||
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                !variable.exported && (!this._ambient || this._exports !== undefined && !this._exports.has(key.text)))
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                return cb(variable, key, scope);
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            const namespaceVar = this._variables.get(key.text);
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						|
            if (namespaceVar === undefined) {
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						|
                this._variables.set(key.text, {
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                    declarations: variable.declarations.map(mapDeclaration),
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                    domain: variable.domain,
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                    uses: [...variable.uses],
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                });
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            }
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            else {
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                outer: for (const declaration of variable.declarations) {
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                    for (const existing of namespaceVar.declarations)
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						|
                        if (existing.declaration === declaration)
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                            continue outer;
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                    namespaceVar.declarations.push(mapDeclaration(declaration));
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                }
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                namespaceVar.domain |= variable.domain;
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						|
                for (const use of variable.uses) {
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						|
                    if (namespaceVar.uses.includes(use))
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                        continue;
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                    namespaceVar.uses.push(use);
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                }
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            }
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        });
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        this._applyUses();
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						|
        this._innerScope = new NonRootScope(this, 1 /* Function */);
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    }
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    createOrReuseNamespaceScope(name, exported, ambient, hasExportStatement) {
 | 
						|
        if (!exported && (!this._ambient || this._hasExport))
 | 
						|
            return this._innerScope.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);
 | 
						|
        return super.createOrReuseNamespaceScope(name, exported, ambient || this._ambient, hasExportStatement);
 | 
						|
    }
 | 
						|
    createOrReuseEnumScope(name, exported) {
 | 
						|
        if (!exported && (!this._ambient || this._hasExport))
 | 
						|
            return this._innerScope.createOrReuseEnumScope(name, exported);
 | 
						|
        return super.createOrReuseEnumScope(name, exported);
 | 
						|
    }
 | 
						|
    addUse(use, source) {
 | 
						|
        if (source !== this._innerScope)
 | 
						|
            return this._innerScope.addUse(use);
 | 
						|
        this._uses.push(use);
 | 
						|
    }
 | 
						|
    refresh(ambient, hasExport) {
 | 
						|
        this._ambient = ambient;
 | 
						|
        this._hasExport = hasExport;
 | 
						|
    }
 | 
						|
    markExported(name, _as) {
 | 
						|
        if (this._exports === undefined)
 | 
						|
            this._exports = new Set();
 | 
						|
        this._exports.add(name.text);
 | 
						|
    }
 | 
						|
    getDestinationScope() {
 | 
						|
        return this._innerScope;
 | 
						|
    }
 | 
						|
}
 | 
						|
function getEntityNameParent(name) {
 | 
						|
    let parent = name.parent;
 | 
						|
    while (parent.kind === ts.SyntaxKind.QualifiedName)
 | 
						|
        parent = parent.parent;
 | 
						|
    return parent;
 | 
						|
}
 | 
						|
// TODO class decorators resolve outside of class, element and parameter decorator resolve inside/at the class
 | 
						|
// TODO computed property name resolves inside/at the cass
 | 
						|
// TODO this and super in all of them are resolved outside of the class
 | 
						|
class UsageWalker {
 | 
						|
    constructor() {
 | 
						|
        this._result = new Map();
 | 
						|
    }
 | 
						|
    getUsage(sourceFile) {
 | 
						|
        const variableCallback = (variable, key) => {
 | 
						|
            this._result.set(key, variable);
 | 
						|
        };
 | 
						|
        const isModule = ts.isExternalModule(sourceFile);
 | 
						|
        this._scope = new RootScope(sourceFile.isDeclarationFile && isModule && !containsExportStatement(sourceFile), !isModule);
 | 
						|
        const cb = (node) => {
 | 
						|
            if (util_1.isBlockScopeBoundary(node))
 | 
						|
                return continueWithScope(node, new BlockScope(this._scope.getFunctionScope(), this._scope), handleBlockScope);
 | 
						|
            switch (node.kind) {
 | 
						|
                case ts.SyntaxKind.ClassExpression:
 | 
						|
                    return continueWithScope(node, node.name !== undefined
 | 
						|
                        ? new ClassExpressionScope(node.name, this._scope)
 | 
						|
                        : new NonRootScope(this._scope, 1 /* Function */));
 | 
						|
                case ts.SyntaxKind.ClassDeclaration:
 | 
						|
                    this._handleDeclaration(node, true, 4 /* Value */ | 2 /* Type */);
 | 
						|
                    return continueWithScope(node, new NonRootScope(this._scope, 1 /* Function */));
 | 
						|
                case ts.SyntaxKind.InterfaceDeclaration:
 | 
						|
                case ts.SyntaxKind.TypeAliasDeclaration:
 | 
						|
                    this._handleDeclaration(node, true, 2 /* Type */);
 | 
						|
                    return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));
 | 
						|
                case ts.SyntaxKind.EnumDeclaration:
 | 
						|
                    this._handleDeclaration(node, true, 7 /* Any */);
 | 
						|
                    return continueWithScope(node, this._scope.createOrReuseEnumScope(node.name.text, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword)));
 | 
						|
                case ts.SyntaxKind.ModuleDeclaration:
 | 
						|
                    return this._handleModule(node, continueWithScope);
 | 
						|
                case ts.SyntaxKind.MappedType:
 | 
						|
                    return continueWithScope(node, new NonRootScope(this._scope, 4 /* Type */));
 | 
						|
                case ts.SyntaxKind.FunctionExpression:
 | 
						|
                case ts.SyntaxKind.ArrowFunction:
 | 
						|
                case ts.SyntaxKind.Constructor:
 | 
						|
                case ts.SyntaxKind.MethodDeclaration:
 | 
						|
                case ts.SyntaxKind.FunctionDeclaration:
 | 
						|
                case ts.SyntaxKind.GetAccessor:
 | 
						|
                case ts.SyntaxKind.SetAccessor:
 | 
						|
                case ts.SyntaxKind.MethodSignature:
 | 
						|
                case ts.SyntaxKind.CallSignature:
 | 
						|
                case ts.SyntaxKind.ConstructSignature:
 | 
						|
                case ts.SyntaxKind.ConstructorType:
 | 
						|
                case ts.SyntaxKind.FunctionType:
 | 
						|
                    return this._handleFunctionLikeDeclaration(node, cb, variableCallback);
 | 
						|
                case ts.SyntaxKind.ConditionalType:
 | 
						|
                    return this._handleConditionalType(node, cb, variableCallback);
 | 
						|
                // End of Scope specific handling
 | 
						|
                case ts.SyntaxKind.VariableDeclarationList:
 | 
						|
                    this._handleVariableDeclaration(node);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.Parameter:
 | 
						|
                    if (node.parent.kind !== ts.SyntaxKind.IndexSignature &&
 | 
						|
                        (node.name.kind !== ts.SyntaxKind.Identifier ||
 | 
						|
                            node.name.originalKeywordKind !== ts.SyntaxKind.ThisKeyword))
 | 
						|
                        this._handleBindingName(node.name, false, false);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.EnumMember:
 | 
						|
                    this._scope.addVariable(util_1.getPropertyName(node.name), node.name, 1 /* Function */, true, 4 /* Value */);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.ImportClause:
 | 
						|
                case ts.SyntaxKind.ImportSpecifier:
 | 
						|
                case ts.SyntaxKind.NamespaceImport:
 | 
						|
                case ts.SyntaxKind.ImportEqualsDeclaration:
 | 
						|
                    this._handleDeclaration(node, false, 7 /* Any */ | 8 /* Import */);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.TypeParameter:
 | 
						|
                    this._scope.addVariable(node.name.text, node.name, node.parent.kind === ts.SyntaxKind.InferType ? 8 /* InferType */ : 7 /* Type */, false, 2 /* Type */);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.ExportSpecifier:
 | 
						|
                    if (node.propertyName !== undefined)
 | 
						|
                        return this._scope.markExported(node.propertyName, node.name);
 | 
						|
                    return this._scope.markExported(node.name);
 | 
						|
                case ts.SyntaxKind.ExportAssignment:
 | 
						|
                    if (node.expression.kind === ts.SyntaxKind.Identifier)
 | 
						|
                        return this._scope.markExported(node.expression);
 | 
						|
                    break;
 | 
						|
                case ts.SyntaxKind.Identifier:
 | 
						|
                    const domain = getUsageDomain(node);
 | 
						|
                    if (domain !== undefined)
 | 
						|
                        this._scope.addUse({ domain, location: node });
 | 
						|
                    return;
 | 
						|
            }
 | 
						|
            return ts.forEachChild(node, cb);
 | 
						|
        };
 | 
						|
        const continueWithScope = (node, scope, next = forEachChild) => {
 | 
						|
            const savedScope = this._scope;
 | 
						|
            this._scope = scope;
 | 
						|
            next(node);
 | 
						|
            this._scope.end(variableCallback);
 | 
						|
            this._scope = savedScope;
 | 
						|
        };
 | 
						|
        const handleBlockScope = (node) => {
 | 
						|
            if (node.kind === ts.SyntaxKind.CatchClause && node.variableDeclaration !== undefined)
 | 
						|
                this._handleBindingName(node.variableDeclaration.name, true, false);
 | 
						|
            return ts.forEachChild(node, cb);
 | 
						|
        };
 | 
						|
        ts.forEachChild(sourceFile, cb);
 | 
						|
        this._scope.end(variableCallback);
 | 
						|
        return this._result;
 | 
						|
        function forEachChild(node) {
 | 
						|
            return ts.forEachChild(node, cb);
 | 
						|
        }
 | 
						|
    }
 | 
						|
    _handleConditionalType(node, cb, varCb) {
 | 
						|
        const savedScope = this._scope;
 | 
						|
        const scope = this._scope = new ConditionalTypeScope(savedScope);
 | 
						|
        cb(node.checkType);
 | 
						|
        scope.updateState(1 /* Extends */);
 | 
						|
        cb(node.extendsType);
 | 
						|
        scope.updateState(2 /* TrueType */);
 | 
						|
        cb(node.trueType);
 | 
						|
        scope.updateState(3 /* FalseType */);
 | 
						|
        cb(node.falseType);
 | 
						|
        scope.end(varCb);
 | 
						|
        this._scope = savedScope;
 | 
						|
    }
 | 
						|
    _handleFunctionLikeDeclaration(node, cb, varCb) {
 | 
						|
        if (node.decorators !== undefined)
 | 
						|
            node.decorators.forEach(cb);
 | 
						|
        const savedScope = this._scope;
 | 
						|
        if (node.kind === ts.SyntaxKind.FunctionDeclaration)
 | 
						|
            this._handleDeclaration(node, false, 4 /* Value */);
 | 
						|
        const scope = this._scope = node.kind === ts.SyntaxKind.FunctionExpression && node.name !== undefined
 | 
						|
            ? new FunctionExpressionScope(node.name, savedScope)
 | 
						|
            : new FunctionScope(savedScope);
 | 
						|
        if (node.name !== undefined)
 | 
						|
            cb(node.name);
 | 
						|
        if (node.typeParameters !== undefined)
 | 
						|
            node.typeParameters.forEach(cb);
 | 
						|
        node.parameters.forEach(cb);
 | 
						|
        if (node.type !== undefined)
 | 
						|
            cb(node.type);
 | 
						|
        if (node.body !== undefined) {
 | 
						|
            scope.beginBody();
 | 
						|
            cb(node.body);
 | 
						|
        }
 | 
						|
        scope.end(varCb);
 | 
						|
        this._scope = savedScope;
 | 
						|
    }
 | 
						|
    _handleModule(node, next) {
 | 
						|
        if (node.flags & ts.NodeFlags.GlobalAugmentation)
 | 
						|
            return next(node, this._scope.createOrReuseNamespaceScope('-global', false, true, false));
 | 
						|
        if (node.name.kind === ts.SyntaxKind.Identifier) {
 | 
						|
            const exported = isNamespaceExported(node);
 | 
						|
            this._scope.addVariable(node.name.text, node.name, 1 /* Function */, exported, 1 /* Namespace */ | 4 /* Value */);
 | 
						|
            const ambient = util_1.hasModifier(node.modifiers, ts.SyntaxKind.DeclareKeyword);
 | 
						|
            return next(node, this._scope.createOrReuseNamespaceScope(node.name.text, exported, ambient, ambient && namespaceHasExportStatement(node)));
 | 
						|
        }
 | 
						|
        return next(node, this._scope.createOrReuseNamespaceScope(`"${node.name.text}"`, false, true, namespaceHasExportStatement(node)));
 | 
						|
    }
 | 
						|
    _handleDeclaration(node, blockScoped, domain) {
 | 
						|
        if (node.name !== undefined)
 | 
						|
            this._scope.addVariable(node.name.text, node.name, blockScoped ? 3 /* Block */ : 1 /* Function */, util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword), domain);
 | 
						|
    }
 | 
						|
    _handleBindingName(name, blockScoped, exported) {
 | 
						|
        if (name.kind === ts.SyntaxKind.Identifier)
 | 
						|
            return this._scope.addVariable(name.text, name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);
 | 
						|
        util_1.forEachDestructuringIdentifier(name, (declaration) => {
 | 
						|
            this._scope.addVariable(declaration.name.text, declaration.name, blockScoped ? 3 /* Block */ : 1 /* Function */, exported, 4 /* Value */);
 | 
						|
        });
 | 
						|
    }
 | 
						|
    _handleVariableDeclaration(declarationList) {
 | 
						|
        const blockScoped = util_1.isBlockScopedVariableDeclarationList(declarationList);
 | 
						|
        const exported = declarationList.parent.kind === ts.SyntaxKind.VariableStatement &&
 | 
						|
            util_1.hasModifier(declarationList.parent.modifiers, ts.SyntaxKind.ExportKeyword);
 | 
						|
        for (const declaration of declarationList.declarations)
 | 
						|
            this._handleBindingName(declaration.name, blockScoped, exported);
 | 
						|
    }
 | 
						|
}
 | 
						|
function isNamespaceExported(node) {
 | 
						|
    return node.parent.kind === ts.SyntaxKind.ModuleDeclaration || util_1.hasModifier(node.modifiers, ts.SyntaxKind.ExportKeyword);
 | 
						|
}
 | 
						|
function namespaceHasExportStatement(ns) {
 | 
						|
    if (ns.body === undefined || ns.body.kind !== ts.SyntaxKind.ModuleBlock)
 | 
						|
        return false;
 | 
						|
    return containsExportStatement(ns.body);
 | 
						|
}
 | 
						|
function containsExportStatement(block) {
 | 
						|
    for (const statement of block.statements)
 | 
						|
        if (statement.kind === ts.SyntaxKind.ExportDeclaration || statement.kind === ts.SyntaxKind.ExportAssignment)
 | 
						|
            return true;
 | 
						|
    return false;
 | 
						|
}
 | 
						|
//# sourceMappingURL=usage.js.map
 |