maride/php-parser
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update dumper.go comments

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This commit is contained in:
z7zmey 2018-01-12 10:16:09 +02:00
parent 538cf34777
commit 1db53be4ae
1 changed files with 5 additions and 0 deletions
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5
visitor/dumper.go
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@ -10,12 +10,15 @@ import (
"github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/node"
) )
// Dumper prints ast hierarchy to stdout
// Also prints comments and positions attached to nodes
type Dumper struct { type Dumper struct {
Indent string Indent string
Comments comment.Comments Comments comment.Comments
Positions position.Positions Positions position.Positions
} }
// EnterNode is invoked at every node in heirerchy
func (d Dumper) EnterNode(n node.Node) bool { func (d Dumper) EnterNode(n node.Node) bool {
fmt.Printf("%v%v", d.Indent, reflect.TypeOf(n)) fmt.Printf("%v%v", d.Indent, reflect.TypeOf(n))
@ -37,11 +40,13 @@ func (d Dumper) EnterNode(n node.Node) bool {
return true return true
} }
// GetChildrenVisitor is invoked at every node parameter that contains children nodes
func (d Dumper) GetChildrenVisitor(key string) node.Visitor { func (d Dumper) GetChildrenVisitor(key string) node.Visitor {
fmt.Printf("%v%q:\n", d.Indent+" ", key) fmt.Printf("%v%q:\n", d.Indent+" ", key)
return Dumper{d.Indent + " ", d.Comments, d.Positions} return Dumper{d.Indent + " ", d.Comments, d.Positions}
} }
// LeaveNode is invoked after node process
func (d Dumper) LeaveNode(n node.Node) { func (d Dumper) LeaveNode(n node.Node) {
// do nothing // do nothing
} }