Method parseFunctionSourceElements

src/parser.ts:2719–2750

()

    // https://tc39.github.io/ecma262/#sec-function-definitions

    parseFunctionSourceElements(): Node.BlockStatement {
        const node = this.createNode();

        this.expect('{');
        const body = this.parseDirectivePrologues();

        const previousLabelSet = this.context.labelSet;
        const previousInIteration = this.context.inIteration;
        const previousInSwitch = this.context.inSwitch;
        const previousInFunctionBody = this.context.inFunctionBody;

        this.context.labelSet = {};
        this.context.inIteration = false;
        this.context.inSwitch = false;
        this.context.inFunctionBody = true;

        while (this.lookahead.type !== Token.EOF) {
            if (this.match('}')) {
                break;
            }
            body.push(this.parseStatementListItem());
        }

        this.expect('}');

        this.context.labelSet = previousLabelSet;
        this.context.inIteration = previousInIteration;
        this.context.inSwitch = previousInSwitch;
        this.context.inFunctionBody = previousInFunctionBody;

        return this.finalize(node, new Node.BlockStatement(body));
    }

    validateParam(options, param, name) {
        const key = '$' + name;