X-Git-Url: http://git.osdn.net/view?p=bytom%2Fvapor.git;a=blobdiff_plain;f=vendor%2Fgithub.com%2Fhashicorp%2Fhcl%2Fhcl%2Fast%2Fwalk.go;fp=vendor%2Fgithub.com%2Fhashicorp%2Fhcl%2Fhcl%2Fast%2Fwalk.go;h=0000000000000000000000000000000000000000;hp=ba07ad42b022ebc7841f38efa8fa2a41cf69df15;hb=d09b7a78d44dc259725902b8141cdba0d716b121;hpb=ee01d543fdfe1fd0a4d548965c66f7923ea7b062

diff --git a/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go b/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go
deleted file mode 100644
index ba07ad42..00000000
--- a/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go
+++ /dev/null
@@ -1,52 +0,0 @@
-package ast
-
-import "fmt"
-
-// WalkFunc describes a function to be called for each node during a Walk. The
-// returned node can be used to rewrite the AST. Walking stops the returned
-// bool is false.
-type WalkFunc func(Node) (Node, bool)
-
-// Walk traverses an AST in depth-first order: It starts by calling fn(node);
-// node must not be nil. If fn returns true, Walk invokes fn recursively for
-// each of the non-nil children of node, followed by a call of fn(nil). The
-// returned node of fn can be used to rewrite the passed node to fn.
-func Walk(node Node, fn WalkFunc) Node {
-	rewritten, ok := fn(node)
-	if !ok {
-		return rewritten
-	}
-
-	switch n := node.(type) {
-	case *File:
-		n.Node = Walk(n.Node, fn)
-	case *ObjectList:
-		for i, item := range n.Items {
-			n.Items[i] = Walk(item, fn).(*ObjectItem)
-		}
-	case *ObjectKey:
-		// nothing to do
-	case *ObjectItem:
-		for i, k := range n.Keys {
-			n.Keys[i] = Walk(k, fn).(*ObjectKey)
-		}
-
-		if n.Val != nil {
-			n.Val = Walk(n.Val, fn)
-		}
-	case *LiteralType:
-		// nothing to do
-	case *ListType:
-		for i, l := range n.List {
-			n.List[i] = Walk(l, fn)
-		}
-	case *ObjectType:
-		n.List = Walk(n.List, fn).(*ObjectList)
-	default:
-		// should we panic here?
-		fmt.Printf("unknown type: %T\n", n)
-	}
-
-	fn(nil)
-	return rewritten
-}