Method parseExpression

internal/parser/parser.go:4058–4077

()

}

func (p *Parser) parseExpression() *ast.Expression {
	// Expression[in]:
	//      AssignmentExpression[in]
	//      Expression[in] , AssignmentExpression[in]

	// clear the decorator context when parsing Expression, as it should be unambiguous when parsing a decorator
	saveContextFlags := p.contextFlags
	p.contextFlags &^= ast.NodeFlagsDecoratorContext
	pos := p.nodePos()
	expr := p.parseAssignmentExpressionOrHigher()
	for {
		operatorToken := p.parseOptionalToken(ast.KindCommaToken)
		if operatorToken == nil {
			break
		}
		expr = p.makeBinaryExpression(expr, operatorToken, p.parseAssignmentExpressionOrHigher(), pos)
	}
	p.contextFlags = saveContextFlags
	return expr
}

func (p *Parser) parseExpressionAllowIn() *ast.Expression {
	return doInContext(p, ast.NodeFlagsDisallowInContext, false, (*Parser).parseExpression)