Function initializeState

test/fixtures/snapshot/typescript.js:31618–31656

(_fileName, _sourceText, _languageVersion, _syntaxCursor, _scriptKind)

        }
        Parser.parseJsonText = parseJsonText;
        function initializeState(_fileName, _sourceText, _languageVersion, _syntaxCursor, _scriptKind) {
            NodeConstructor = ts.objectAllocator.getNodeConstructor();
            TokenConstructor = ts.objectAllocator.getTokenConstructor();
            IdentifierConstructor = ts.objectAllocator.getIdentifierConstructor();
            PrivateIdentifierConstructor = ts.objectAllocator.getPrivateIdentifierConstructor();
            SourceFileConstructor = ts.objectAllocator.getSourceFileConstructor();
            fileName = ts.normalizePath(_fileName);
            sourceText = _sourceText;
            languageVersion = _languageVersion;
            syntaxCursor = _syntaxCursor;
            scriptKind = _scriptKind;
            languageVariant = ts.getLanguageVariant(_scriptKind);
            parseDiagnostics = [];
            parsingContext = 0;
            identifiers = new ts.Map();
            privateIdentifiers = new ts.Map();
            identifierCount = 0;
            nodeCount = 0;
            sourceFlags = 0;
            topLevel = true;
            switch (scriptKind) {
                case 1 /* ScriptKind.JS */:
                case 2 /* ScriptKind.JSX */:
                    contextFlags = 262144 /* NodeFlags.JavaScriptFile */;
                    break;
                case 6 /* ScriptKind.JSON */:
                    contextFlags = 262144 /* NodeFlags.JavaScriptFile */ | 67108864 /* NodeFlags.JsonFile */;
                    break;
                default:
                    contextFlags = 0 /* NodeFlags.None */;
                    break;
            }
            parseErrorBeforeNextFinishedNode = false;
            // Initialize and prime the scanner before parsing the source elements.
            scanner.setText(sourceText);
            scanner.setOnError(scanError);
            scanner.setScriptTarget(languageVersion);
            scanner.setLanguageVariant(languageVariant);
        }
        function clearState() {
            // Clear out the text the scanner is pointing at, so it doesn't keep anything alive unnecessarily.
            scanner.clearCommentDirectives();