Method checkConstantString

compiler_expr.go:860–869

(expr compiledExpr)

}

func (c *compiler) checkConstantString(expr compiledExpr) (unistring.String, bool) {
	if expr.constant() {
		if val, ex := c.evalConst(expr); ex == nil {
			if s, ok := val.(String); ok {
				return s.string(), true
			}
		}
	}
	return "", false
}

func (c *compiler) compileBracketExpression(v *ast.BracketExpression) compiledExpr {
	if sup, ok := v.Left.(*ast.SuperExpression); ok {