Method runVisitors

checker/checker.go:93–123

Run visitors in a given config over the given tree runRepeatable controls whether to filter for only vistors that require multiple passes or not

(tree *parser.Tree, runRepeatable bool)

// Run visitors in a given config over the given tree
// runRepeatable controls whether to filter for only vistors that require multiple passes or not
func (v *Checker) runVisitors(tree *parser.Tree, runRepeatable bool) {
	for {
		more := false
		for _, visitor := range v.config.Visitors {
			// We need to perform types check, because some visitors may rely on
			// types information available in the tree.
			_, _ = v.Check(tree, v.config)

			r, repeatable := visitor.(interface {
				Reset()
				ShouldRepeat() bool
			})

			if repeatable {
				if runRepeatable {
					r.Reset()
					ast.Walk(&tree.Node, visitor)
					more = more || r.ShouldRepeat()
				}
			} else {
				if !runRepeatable {
					ast.Walk(&tree.Node, visitor)
				}
			}
		}

		if !more {
			break
		}
	}
}

func (v *Checker) check(tree *parser.Tree) (reflect.Type, error) {
	nt := v.visit(tree.Node)