summaryrefslogtreecommitdiffstats
path: root/vendor/github.com/hashicorp/hcl/hcl
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/hashicorp/hcl/hcl')
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/ast/ast.go219
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/ast/ast_test.go200
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/ast/walk.go52
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd.go162
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd_test.go440
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/.hidden.ignore1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/dir.ignore0
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/file.ignore1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/good.hcl0
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/error.go17
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/error_test.go9
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/parser.go514
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/parser_test.go566
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment.hcl4
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment_2.hcl6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_colon.hcl6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_deep.hcl5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment.hcl15
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_lastline.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_single.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex.hcl42
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex_key.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/empty.hcl0
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/git_crypt.hclbin0 -> 10 bytes
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/key_without_value.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list_comma.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/missing_braces.hcl4
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/multiple.hcl2
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value.hcl3
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value2.hcl4
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value3.hcl4
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_without_value.hcl3
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_list_comma.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/old.hcl3
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure.hcl5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_basic.hcl5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_empty.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/types.hcl7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object.hcl2
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object_2.hcl6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/nodes.go779
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/printer.go67
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/printer_test.go153
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.golden36
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.input37
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.golden32
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.input28
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.golden13
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.input13
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.golden6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.input5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.golden12
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.input13
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.golden7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.input6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.golden10
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.input10
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.golden3
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.input2
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.golden9
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.input9
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.golden17
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.input16
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.golden54
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.input53
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.golden12
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.input14
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.golden43
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.input37
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.golden7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.input6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.golden10
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.input10
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.golden7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.input7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.golden26
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.input19
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.golden6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.input6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go651
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/scanner/scanner_test.go591
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/strconv/quote.go241
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/strconv/quote_test.go96
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/array_comment.hcl4
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/assign_colon.hcl6
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment.hcl15
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment_single.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex.hcl42
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex_key.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/empty.hcl0
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list_comma.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/multiple.hcl2
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/old.hcl3
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure.hcl5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_basic.hcl5
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_empty.hcl1
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/test-fixtures/types.hcl7
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/token/position.go46
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/token/token.go219
-rw-r--r--vendor/github.com/hashicorp/hcl/hcl/token/token_test.go69
102 files changed, 5922 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/hcl/hcl/ast/ast.go b/vendor/github.com/hashicorp/hcl/hcl/ast/ast.go
new file mode 100644
index 000000000..6e5ef654b
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/ast/ast.go
@@ -0,0 +1,219 @@
+// Package ast declares the types used to represent syntax trees for HCL
+// (HashiCorp Configuration Language)
+package ast
+
+import (
+ "fmt"
+ "strings"
+
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+// Node is an element in the abstract syntax tree.
+type Node interface {
+ node()
+ Pos() token.Pos
+}
+
+func (File) node() {}
+func (ObjectList) node() {}
+func (ObjectKey) node() {}
+func (ObjectItem) node() {}
+func (Comment) node() {}
+func (CommentGroup) node() {}
+func (ObjectType) node() {}
+func (LiteralType) node() {}
+func (ListType) node() {}
+
+// File represents a single HCL file
+type File struct {
+ Node Node // usually a *ObjectList
+ Comments []*CommentGroup // list of all comments in the source
+}
+
+func (f *File) Pos() token.Pos {
+ return f.Node.Pos()
+}
+
+// ObjectList represents a list of ObjectItems. An HCL file itself is an
+// ObjectList.
+type ObjectList struct {
+ Items []*ObjectItem
+}
+
+func (o *ObjectList) Add(item *ObjectItem) {
+ o.Items = append(o.Items, item)
+}
+
+// Filter filters out the objects with the given key list as a prefix.
+//
+// The returned list of objects contain ObjectItems where the keys have
+// this prefix already stripped off. This might result in objects with
+// zero-length key lists if they have no children.
+//
+// If no matches are found, an empty ObjectList (non-nil) is returned.
+func (o *ObjectList) Filter(keys ...string) *ObjectList {
+ var result ObjectList
+ for _, item := range o.Items {
+ // If there aren't enough keys, then ignore this
+ if len(item.Keys) < len(keys) {
+ continue
+ }
+
+ match := true
+ for i, key := range item.Keys[:len(keys)] {
+ key := key.Token.Value().(string)
+ if key != keys[i] && !strings.EqualFold(key, keys[i]) {
+ match = false
+ break
+ }
+ }
+ if !match {
+ continue
+ }
+
+ // Strip off the prefix from the children
+ newItem := *item
+ newItem.Keys = newItem.Keys[len(keys):]
+ result.Add(&newItem)
+ }
+
+ return &result
+}
+
+// Children returns further nested objects (key length > 0) within this
+// ObjectList. This should be used with Filter to get at child items.
+func (o *ObjectList) Children() *ObjectList {
+ var result ObjectList
+ for _, item := range o.Items {
+ if len(item.Keys) > 0 {
+ result.Add(item)
+ }
+ }
+
+ return &result
+}
+
+// Elem returns items in the list that are direct element assignments
+// (key length == 0). This should be used with Filter to get at elements.
+func (o *ObjectList) Elem() *ObjectList {
+ var result ObjectList
+ for _, item := range o.Items {
+ if len(item.Keys) == 0 {
+ result.Add(item)
+ }
+ }
+
+ return &result
+}
+
+func (o *ObjectList) Pos() token.Pos {
+ // always returns the uninitiliazed position
+ return o.Items[0].Pos()
+}
+
+// ObjectItem represents a HCL Object Item. An item is represented with a key
+// (or keys). It can be an assignment or an object (both normal and nested)
+type ObjectItem struct {
+ // keys is only one length long if it's of type assignment. If it's a
+ // nested object it can be larger than one. In that case "assign" is
+ // invalid as there is no assignments for a nested object.
+ Keys []*ObjectKey
+
+ // assign contains the position of "=", if any
+ Assign token.Pos
+
+ // val is the item itself. It can be an object,list, number, bool or a
+ // string. If key length is larger than one, val can be only of type
+ // Object.
+ Val Node
+
+ LeadComment *CommentGroup // associated lead comment
+ LineComment *CommentGroup // associated line comment
+}
+
+func (o *ObjectItem) Pos() token.Pos {
+ // I'm not entirely sure what causes this, but removing this causes
+ // a test failure. We should investigate at some point.
+ if len(o.Keys) == 0 {
+ return token.Pos{}
+ }
+
+ return o.Keys[0].Pos()
+}
+
+// ObjectKeys are either an identifier or of type string.
+type ObjectKey struct {
+ Token token.Token
+}
+
+func (o *ObjectKey) Pos() token.Pos {
+ return o.Token.Pos
+}
+
+// LiteralType represents a literal of basic type. Valid types are:
+// token.NUMBER, token.FLOAT, token.BOOL and token.STRING
+type LiteralType struct {
+ Token token.Token
+
+ // comment types, only used when in a list
+ LeadComment *CommentGroup
+ LineComment *CommentGroup
+}
+
+func (l *LiteralType) Pos() token.Pos {
+ return l.Token.Pos
+}
+
+// ListStatement represents a HCL List type
+type ListType struct {
+ Lbrack token.Pos // position of "["
+ Rbrack token.Pos // position of "]"
+ List []Node // the elements in lexical order
+}
+
+func (l *ListType) Pos() token.Pos {
+ return l.Lbrack
+}
+
+func (l *ListType) Add(node Node) {
+ l.List = append(l.List, node)
+}
+
+// ObjectType represents a HCL Object Type
+type ObjectType struct {
+ Lbrace token.Pos // position of "{"
+ Rbrace token.Pos // position of "}"
+ List *ObjectList // the nodes in lexical order
+}
+
+func (o *ObjectType) Pos() token.Pos {
+ return o.Lbrace
+}
+
+// Comment node represents a single //, # style or /*- style commment
+type Comment struct {
+ Start token.Pos // position of / or #
+ Text string
+}
+
+func (c *Comment) Pos() token.Pos {
+ return c.Start
+}
+
+// CommentGroup node represents a sequence of comments with no other tokens and
+// no empty lines between.
+type CommentGroup struct {
+ List []*Comment // len(List) > 0
+}
+
+func (c *CommentGroup) Pos() token.Pos {
+ return c.List[0].Pos()
+}
+
+//-------------------------------------------------------------------
+// GoStringer
+//-------------------------------------------------------------------
+
+func (o *ObjectKey) GoString() string { return fmt.Sprintf("*%#v", *o) }
+func (o *ObjectList) GoString() string { return fmt.Sprintf("*%#v", *o) }
diff --git a/vendor/github.com/hashicorp/hcl/hcl/ast/ast_test.go b/vendor/github.com/hashicorp/hcl/hcl/ast/ast_test.go
new file mode 100644
index 000000000..942256cad
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/ast/ast_test.go
@@ -0,0 +1,200 @@
+package ast
+
+import (
+ "reflect"
+ "strings"
+ "testing"
+
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+func TestObjectListFilter(t *testing.T) {
+ var cases = []struct {
+ Filter []string
+ Input []*ObjectItem
+ Output []*ObjectItem
+ }{
+ {
+ []string{"foo"},
+ []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{
+ Token: token.Token{Type: token.STRING, Text: `"foo"`},
+ },
+ },
+ },
+ },
+ []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{},
+ },
+ },
+ },
+
+ {
+ []string{"foo"},
+ []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"foo"`}},
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"bar"`}},
+ },
+ },
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"baz"`}},
+ },
+ },
+ },
+ []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"bar"`}},
+ },
+ },
+ },
+ },
+ }
+
+ for _, tc := range cases {
+ input := &ObjectList{Items: tc.Input}
+ expected := &ObjectList{Items: tc.Output}
+ if actual := input.Filter(tc.Filter...); !reflect.DeepEqual(actual, expected) {
+ t.Fatalf("in order: input, expected, actual\n\n%#v\n\n%#v\n\n%#v", input, expected, actual)
+ }
+ }
+}
+
+func TestWalk(t *testing.T) {
+ items := []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"foo"`}},
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"bar"`}},
+ },
+ Val: &LiteralType{Token: token.Token{Type: token.STRING, Text: `"example"`}},
+ },
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"baz"`}},
+ },
+ },
+ }
+
+ node := &ObjectList{Items: items}
+
+ order := []string{
+ "*ast.ObjectList",
+ "*ast.ObjectItem",
+ "*ast.ObjectKey",
+ "*ast.ObjectKey",
+ "*ast.LiteralType",
+ "*ast.ObjectItem",
+ "*ast.ObjectKey",
+ }
+ count := 0
+
+ Walk(node, func(n Node) (Node, bool) {
+ if n == nil {
+ return n, false
+ }
+
+ typeName := reflect.TypeOf(n).String()
+ if order[count] != typeName {
+ t.Errorf("expected '%s' got: '%s'", order[count], typeName)
+ }
+ count++
+ return n, true
+ })
+}
+
+func TestWalkEquality(t *testing.T) {
+ items := []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"foo"`}},
+ },
+ },
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"bar"`}},
+ },
+ },
+ }
+
+ node := &ObjectList{Items: items}
+
+ rewritten := Walk(node, func(n Node) (Node, bool) { return n, true })
+
+ newNode, ok := rewritten.(*ObjectList)
+ if !ok {
+ t.Fatalf("expected Objectlist, got %T", rewritten)
+ }
+
+ if !reflect.DeepEqual(node, newNode) {
+ t.Fatal("rewritten node is not equal to the given node")
+ }
+
+ if len(newNode.Items) != 2 {
+ t.Error("expected newNode length 2, got: %d", len(newNode.Items))
+ }
+
+ expected := []string{
+ `"foo"`,
+ `"bar"`,
+ }
+
+ for i, item := range newNode.Items {
+ if len(item.Keys) != 1 {
+ t.Error("expected keys newNode length 1, got: %d", len(item.Keys))
+ }
+
+ if item.Keys[0].Token.Text != expected[i] {
+ t.Errorf("expected key %s, got %s", expected[i], item.Keys[0].Token.Text)
+ }
+
+ if item.Val != nil {
+ t.Errorf("expected item value should be nil")
+ }
+ }
+}
+
+func TestWalkRewrite(t *testing.T) {
+ items := []*ObjectItem{
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"foo"`}},
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"bar"`}},
+ },
+ },
+ &ObjectItem{
+ Keys: []*ObjectKey{
+ &ObjectKey{Token: token.Token{Type: token.STRING, Text: `"baz"`}},
+ },
+ },
+ }
+
+ node := &ObjectList{Items: items}
+
+ suffix := "_example"
+ node = Walk(node, func(n Node) (Node, bool) {
+ switch i := n.(type) {
+ case *ObjectKey:
+ i.Token.Text = i.Token.Text + suffix
+ n = i
+ }
+ return n, true
+ }).(*ObjectList)
+
+ Walk(node, func(n Node) (Node, bool) {
+ switch i := n.(type) {
+ case *ObjectKey:
+ if !strings.HasSuffix(i.Token.Text, suffix) {
+ t.Errorf("Token '%s' should have suffix: %s", i.Token.Text, suffix)
+ }
+ }
+ return n, true
+ })
+
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go b/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go
new file mode 100644
index 000000000..ba07ad42b
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/ast/walk.go
@@ -0,0 +1,52 @@
+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
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd.go b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd.go
new file mode 100644
index 000000000..2380d71e3
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd.go
@@ -0,0 +1,162 @@
+// Derivative work from:
+// - https://golang.org/src/cmd/gofmt/gofmt.go
+// - https://github.com/fatih/hclfmt
+
+package fmtcmd
+
+import (
+ "bytes"
+ "errors"
+ "fmt"
+ "io"
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "strings"
+
+ "github.com/hashicorp/hcl/hcl/printer"
+)
+
+var (
+ ErrWriteStdin = errors.New("cannot use write option with standard input")
+)
+
+type Options struct {
+ List bool // list files whose formatting differs
+ Write bool // write result to (source) file instead of stdout
+ Diff bool // display diffs of formatting changes
+}
+
+func isValidFile(f os.FileInfo, extensions []string) bool {
+ if !f.IsDir() && !strings.HasPrefix(f.Name(), ".") {
+ for _, ext := range extensions {
+ if strings.HasSuffix(f.Name(), "."+ext) {
+ return true
+ }
+ }
+ }
+
+ return false
+}
+
+// If in == nil, the source is the contents of the file with the given filename.
+func processFile(filename string, in io.Reader, out io.Writer, stdin bool, opts Options) error {
+ if in == nil {
+ f, err := os.Open(filename)
+ if err != nil {
+ return err
+ }
+ defer f.Close()
+ in = f
+ }
+
+ src, err := ioutil.ReadAll(in)
+ if err != nil {
+ return err
+ }
+
+ res, err := printer.Format(src)
+ if err != nil {
+ return fmt.Errorf("In %s: %s", filename, err)
+ }
+
+ if !bytes.Equal(src, res) {
+ // formatting has changed
+ if opts.List {
+ fmt.Fprintln(out, filename)
+ }
+ if opts.Write {
+ err = ioutil.WriteFile(filename, res, 0644)
+ if err != nil {
+ return err
+ }
+ }
+ if opts.Diff {
+ data, err := diff(src, res)
+ if err != nil {
+ return fmt.Errorf("computing diff: %s", err)
+ }
+ fmt.Fprintf(out, "diff a/%s b/%s\n", filename, filename)
+ out.Write(data)
+ }
+ }
+
+ if !opts.List && !opts.Write && !opts.Diff {
+ _, err = out.Write(res)
+ }
+
+ return err
+}
+
+func walkDir(path string, extensions []string, stdout io.Writer, opts Options) error {
+ visitFile := func(path string, f os.FileInfo, err error) error {
+ if err == nil && isValidFile(f, extensions) {
+ err = processFile(path, nil, stdout, false, opts)
+ }
+ return err
+ }
+
+ return filepath.Walk(path, visitFile)
+}
+
+func Run(
+ paths, extensions []string,
+ stdin io.Reader,
+ stdout io.Writer,
+ opts Options,
+) error {
+ if len(paths) == 0 {
+ if opts.Write {
+ return ErrWriteStdin
+ }
+ if err := processFile("<standard input>", stdin, stdout, true, opts); err != nil {
+ return err
+ }
+ return nil
+ }
+
+ for _, path := range paths {
+ switch dir, err := os.Stat(path); {
+ case err != nil:
+ return err
+ case dir.IsDir():
+ if err := walkDir(path, extensions, stdout, opts); err != nil {
+ return err
+ }
+ default:
+ if err := processFile(path, nil, stdout, false, opts); err != nil {
+ return err
+ }
+ }
+ }
+
+ return nil
+}
+
+func diff(b1, b2 []byte) (data []byte, err error) {
+ f1, err := ioutil.TempFile("", "")
+ if err != nil {
+ return
+ }
+ defer os.Remove(f1.Name())
+ defer f1.Close()
+
+ f2, err := ioutil.TempFile("", "")
+ if err != nil {
+ return
+ }
+ defer os.Remove(f2.Name())
+ defer f2.Close()
+
+ f1.Write(b1)
+ f2.Write(b2)
+
+ data, err = exec.Command("diff", "-u", f1.Name(), f2.Name()).CombinedOutput()
+ if len(data) > 0 {
+ // diff exits with a non-zero status when the files don't match.
+ // Ignore that failure as long as we get output.
+ err = nil
+ }
+ return
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd_test.go b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd_test.go
new file mode 100644
index 000000000..b952d76d8
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/fmtcmd_test.go
@@ -0,0 +1,440 @@
+// +build !windows
+// TODO(jen20): These need fixing on Windows but fmt is not used right now
+// and red CI is making it harder to process other bugs, so ignore until
+// we get around to fixing them.
+
+package fmtcmd
+
+import (
+ "bytes"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "reflect"
+ "regexp"
+ "sort"
+ "syscall"
+ "testing"
+
+ "github.com/hashicorp/hcl/testhelper"
+)
+
+var fixtureExtensions = []string{"hcl"}
+
+func init() {
+ sort.Sort(ByFilename(fixtures))
+}
+
+func TestIsValidFile(t *testing.T) {
+ const fixtureDir = "./test-fixtures"
+
+ cases := []struct {
+ Path string
+ Expected bool
+ }{
+ {"good.hcl", true},
+ {".hidden.ignore", false},
+ {"file.ignore", false},
+ {"dir.ignore", false},
+ }
+
+ for _, tc := range cases {
+ file, err := os.Stat(filepath.Join(fixtureDir, tc.Path))
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+
+ if res := isValidFile(file, fixtureExtensions); res != tc.Expected {
+ t.Errorf("want: %b, got: %b", tc.Expected, res)
+ }
+ }
+}
+
+func TestRunMultiplePaths(t *testing.T) {
+ path1, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path1)
+ path2, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path2)
+
+ var expectedOut bytes.Buffer
+ for _, path := range []string{path1, path2} {
+ for _, fixture := range fixtures {
+ if !bytes.Equal(fixture.golden, fixture.input) {
+ expectedOut.WriteString(filepath.Join(path, fixture.filename) + "\n")
+ }
+ }
+ }
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path1, path2},
+ fixtureExtensions,
+ nil, stdout,
+ Options{
+ List: true,
+ },
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if stdout.String() != expectedOut.String() {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunSubDirectories(t *testing.T) {
+ pathParent, err := ioutil.TempDir("", "")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(pathParent)
+
+ path1, err := renderFixtures(pathParent)
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ path2, err := renderFixtures(pathParent)
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+
+ paths := []string{path1, path2}
+ sort.Strings(paths)
+
+ var expectedOut bytes.Buffer
+ for _, path := range paths {
+ for _, fixture := range fixtures {
+ if !bytes.Equal(fixture.golden, fixture.input) {
+ expectedOut.WriteString(filepath.Join(path, fixture.filename) + "\n")
+ }
+ }
+ }
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{pathParent},
+ fixtureExtensions,
+ nil, stdout,
+ Options{
+ List: true,
+ },
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if stdout.String() != expectedOut.String() {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunStdin(t *testing.T) {
+ var expectedOut bytes.Buffer
+ for i, fixture := range fixtures {
+ if i != 0 {
+ expectedOut.WriteString("\n")
+ }
+ expectedOut.Write(fixture.golden)
+ }
+
+ stdin, stdout := mockIO()
+ for _, fixture := range fixtures {
+ stdin.Write(fixture.input)
+ }
+
+ err := Run(
+ []string{},
+ fixtureExtensions,
+ stdin, stdout,
+ Options{},
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if !bytes.Equal(stdout.Bytes(), expectedOut.Bytes()) {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunStdinAndWrite(t *testing.T) {
+ var expectedOut = []byte{}
+
+ stdin, stdout := mockIO()
+ stdin.WriteString("")
+ err := Run(
+ []string{}, []string{},
+ stdin, stdout,
+ Options{
+ Write: true,
+ },
+ )
+
+ if err != ErrWriteStdin {
+ t.Errorf("error want:\n%s\ngot:\n%s", ErrWriteStdin, err)
+ }
+ if !bytes.Equal(stdout.Bytes(), expectedOut) {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunFileError(t *testing.T) {
+ path, err := ioutil.TempDir("", "")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path)
+ filename := filepath.Join(path, "unreadable.hcl")
+
+ var expectedError = &os.PathError{
+ Op: "open",
+ Path: filename,
+ Err: syscall.EACCES,
+ }
+
+ err = ioutil.WriteFile(filename, []byte{}, 0000)
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path},
+ fixtureExtensions,
+ nil, stdout,
+ Options{},
+ )
+
+ if !reflect.DeepEqual(err, expectedError) {
+ t.Errorf("error want: %#v, got: %#v", expectedError, err)
+ }
+}
+
+func TestRunNoOptions(t *testing.T) {
+ path, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path)
+
+ var expectedOut bytes.Buffer
+ for _, fixture := range fixtures {
+ expectedOut.Write(fixture.golden)
+ }
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path},
+ fixtureExtensions,
+ nil, stdout,
+ Options{},
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if stdout.String() != expectedOut.String() {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunList(t *testing.T) {
+ path, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path)
+
+ var expectedOut bytes.Buffer
+ for _, fixture := range fixtures {
+ if !bytes.Equal(fixture.golden, fixture.input) {
+ expectedOut.WriteString(fmt.Sprintln(filepath.Join(path, fixture.filename)))
+ }
+ }
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path},
+ fixtureExtensions,
+ nil, stdout,
+ Options{
+ List: true,
+ },
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if stdout.String() != expectedOut.String() {
+ t.Errorf("stdout want:\n%s\ngot:\n%s", expectedOut, stdout)
+ }
+}
+
+func TestRunWrite(t *testing.T) {
+ path, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path)
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path},
+ fixtureExtensions,
+ nil, stdout,
+ Options{
+ Write: true,
+ },
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ for _, fixture := range fixtures {
+ res, err := ioutil.ReadFile(filepath.Join(path, fixture.filename))
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if !bytes.Equal(res, fixture.golden) {
+ t.Errorf("file %q contents want:\n%s\ngot:\n%s", fixture.filename, fixture.golden, res)
+ }
+ }
+}
+
+func TestRunDiff(t *testing.T) {
+ path, err := renderFixtures("")
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ defer os.RemoveAll(path)
+
+ var expectedOut bytes.Buffer
+ for _, fixture := range fixtures {
+ if len(fixture.diff) > 0 {
+ expectedOut.WriteString(
+ regexp.QuoteMeta(
+ fmt.Sprintf("diff a/%s/%s b/%s/%s\n", path, fixture.filename, path, fixture.filename),
+ ),
+ )
+ // Need to use regex to ignore datetimes in diff.
+ expectedOut.WriteString(`--- .+?\n`)
+ expectedOut.WriteString(`\+\+\+ .+?\n`)
+ expectedOut.WriteString(regexp.QuoteMeta(string(fixture.diff)))
+ }
+ }
+
+ expectedOutString := testhelper.Unix2dos(expectedOut.String())
+
+ _, stdout := mockIO()
+ err = Run(
+ []string{path},
+ fixtureExtensions,
+ nil, stdout,
+ Options{
+ Diff: true,
+ },
+ )
+
+ if err != nil {
+ t.Errorf("unexpected error: %s", err)
+ }
+ if !regexp.MustCompile(expectedOutString).Match(stdout.Bytes()) {
+ t.Errorf("stdout want match:\n%s\ngot:\n%q", expectedOutString, stdout)
+ }
+}
+
+func mockIO() (stdin, stdout *bytes.Buffer) {
+ return new(bytes.Buffer), new(bytes.Buffer)
+}
+
+type fixture struct {
+ filename string
+ input, golden, diff []byte
+}
+
+type ByFilename []fixture
+
+func (s ByFilename) Len() int { return len(s) }
+func (s ByFilename) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
+func (s ByFilename) Less(i, j int) bool { return len(s[i].filename) > len(s[j].filename) }
+
+var fixtures = []fixture{
+ {
+ "noop.hcl",
+ []byte(`resource "aws_security_group" "firewall" {
+ count = 5
+}
+`),
+ []byte(`resource "aws_security_group" "firewall" {
+ count = 5
+}
+`),
+ []byte(``),
+ }, {
+ "align_equals.hcl",
+ []byte(`variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+`),
+ []byte(`variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+`),
+ []byte(`@@ -1,4 +1,4 @@
+ variable "foo" {
+- default = "bar"
++ default = "bar"
+ description = "bar"
+ }
+`),
+ }, {
+ "indentation.hcl",
+ []byte(`provider "aws" {
+ access_key = "foo"
+ secret_key = "bar"
+}
+`),
+ []byte(`provider "aws" {
+ access_key = "foo"
+ secret_key = "bar"
+}
+`),
+ []byte(`@@ -1,4 +1,4 @@
+ provider "aws" {
+- access_key = "foo"
+- secret_key = "bar"
++ access_key = "foo"
++ secret_key = "bar"
+ }
+`),
+ },
+}
+
+// parent can be an empty string, in which case the system's default
+// temporary directory will be used.
+func renderFixtures(parent string) (path string, err error) {
+ path, err = ioutil.TempDir(parent, "")
+ if err != nil {
+ return "", err
+ }
+
+ for _, fixture := range fixtures {
+ err = ioutil.WriteFile(filepath.Join(path, fixture.filename), []byte(fixture.input), 0644)
+ if err != nil {
+ os.RemoveAll(path)
+ return "", err
+ }
+ }
+
+ return path, nil
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/.hidden.ignore b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/.hidden.ignore
new file mode 100644
index 000000000..9977a2836
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/.hidden.ignore
@@ -0,0 +1 @@
+invalid
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/dir.ignore b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/dir.ignore
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/dir.ignore
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/file.ignore b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/file.ignore
new file mode 100644
index 000000000..9977a2836
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/file.ignore
@@ -0,0 +1 @@
+invalid
diff --git a/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/good.hcl b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/good.hcl
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/fmtcmd/test-fixtures/good.hcl
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/error.go b/vendor/github.com/hashicorp/hcl/hcl/parser/error.go
new file mode 100644
index 000000000..5c99381df
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/error.go
@@ -0,0 +1,17 @@
+package parser
+
+import (
+ "fmt"
+
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+// PosError is a parse error that contains a position.
+type PosError struct {
+ Pos token.Pos
+ Err error
+}
+
+func (e *PosError) Error() string {
+ return fmt.Sprintf("At %s: %s", e.Pos, e.Err)
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/error_test.go b/vendor/github.com/hashicorp/hcl/hcl/parser/error_test.go
new file mode 100644
index 000000000..32399fec5
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/error_test.go
@@ -0,0 +1,9 @@
+package parser
+
+import (
+ "testing"
+)
+
+func TestPosError_impl(t *testing.T) {
+ var _ error = new(PosError)
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go b/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go
new file mode 100644
index 000000000..6e54bed97
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/parser.go
@@ -0,0 +1,514 @@
+// Package parser implements a parser for HCL (HashiCorp Configuration
+// Language)
+package parser
+
+import (
+ "errors"
+ "fmt"
+ "strings"
+
+ "github.com/hashicorp/hcl/hcl/ast"
+ "github.com/hashicorp/hcl/hcl/scanner"
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+type Parser struct {
+ sc *scanner.Scanner
+
+ // Last read token
+ tok token.Token
+ commaPrev token.Token
+
+ comments []*ast.CommentGroup
+ leadComment *ast.CommentGroup // last lead comment
+ lineComment *ast.CommentGroup // last line comment
+
+ enableTrace bool
+ indent int
+ n int // buffer size (max = 1)
+}
+
+func newParser(src []byte) *Parser {
+ return &Parser{
+ sc: scanner.New(src),
+ }
+}
+
+// Parse returns the fully parsed source and returns the abstract syntax tree.
+func Parse(src []byte) (*ast.File, error) {
+ p := newParser(src)
+ return p.Parse()
+}
+
+var errEofToken = errors.New("EOF token found")
+
+// Parse returns the fully parsed source and returns the abstract syntax tree.
+func (p *Parser) Parse() (*ast.File, error) {
+ f := &ast.File{}
+ var err, scerr error
+ p.sc.Error = func(pos token.Pos, msg string) {
+ scerr = &PosError{Pos: pos, Err: errors.New(msg)}
+ }
+
+ f.Node, err = p.objectList(false)
+ if scerr != nil {
+ return nil, scerr
+ }
+ if err != nil {
+ return nil, err
+ }
+
+ f.Comments = p.comments
+ return f, nil
+}
+
+// objectList parses a list of items within an object (generally k/v pairs).
+// The parameter" obj" tells this whether to we are within an object (braces:
+// '{', '}') or just at the top level. If we're within an object, we end
+// at an RBRACE.
+func (p *Parser) objectList(obj bool) (*ast.ObjectList, error) {
+ defer un(trace(p, "ParseObjectList"))
+ node := &ast.ObjectList{}
+
+ for {
+ if obj {
+ tok := p.scan()
+ p.unscan()
+ if tok.Type == token.RBRACE {
+ break
+ }
+ }
+
+ n, err := p.objectItem()
+ if err == errEofToken {
+ break // we are finished
+ }
+
+ // we don't return a nil node, because might want to use already
+ // collected items.
+ if err != nil {
+ return node, err
+ }
+
+ node.Add(n)
+
+ // object lists can be optionally comma-delimited e.g. when a list of maps
+ // is being expressed, so a comma is allowed here - it's simply consumed
+ tok := p.scan()
+ if tok.Type != token.COMMA {
+ p.unscan()
+ }
+ }
+ return node, nil
+}
+
+func (p *Parser) consumeComment() (comment *ast.Comment, endline int) {
+ endline = p.tok.Pos.Line
+
+ // count the endline if it's multiline comment, ie starting with /*
+ if len(p.tok.Text) > 1 && p.tok.Text[1] == '*' {
+ // don't use range here - no need to decode Unicode code points
+ for i := 0; i < len(p.tok.Text); i++ {
+ if p.tok.Text[i] == '\n' {
+ endline++
+ }
+ }
+ }
+
+ comment = &ast.Comment{Start: p.tok.Pos, Text: p.tok.Text}
+ p.tok = p.sc.Scan()
+ return
+}
+
+func (p *Parser) consumeCommentGroup(n int) (comments *ast.CommentGroup, endline int) {
+ var list []*ast.Comment
+ endline = p.tok.Pos.Line
+
+ for p.tok.Type == token.COMMENT && p.tok.Pos.Line <= endline+n {
+ var comment *ast.Comment
+ comment, endline = p.consumeComment()
+ list = append(list, comment)
+ }
+
+ // add comment group to the comments list
+ comments = &ast.CommentGroup{List: list}
+ p.comments = append(p.comments, comments)
+
+ return
+}
+
+// objectItem parses a single object item
+func (p *Parser) objectItem() (*ast.ObjectItem, error) {
+ defer un(trace(p, "ParseObjectItem"))
+
+ keys, err := p.objectKey()
+ if len(keys) > 0 && err == errEofToken {
+ // We ignore eof token here since it is an error if we didn't
+ // receive a value (but we did receive a key) for the item.
+ err = nil
+ }
+ if len(keys) > 0 && err != nil && p.tok.Type == token.RBRACE {
+ // This is a strange boolean statement, but what it means is:
+ // We have keys with no value, and we're likely in an object
+ // (since RBrace ends an object). For this, we set err to nil so
+ // we continue and get the error below of having the wrong value
+ // type.
+ err = nil
+
+ // Reset the token type so we don't think it completed fine. See
+ // objectType which uses p.tok.Type to check if we're done with
+ // the object.
+ p.tok.Type = token.EOF
+ }
+ if err != nil {
+ return nil, err
+ }
+
+ o := &ast.ObjectItem{
+ Keys: keys,
+ }
+
+ if p.leadComment != nil {
+ o.LeadComment = p.leadComment
+ p.leadComment = nil
+ }
+
+ switch p.tok.Type {
+ case token.ASSIGN:
+ o.Assign = p.tok.Pos
+ o.Val, err = p.object()
+ if err != nil {
+ return nil, err
+ }
+ case token.LBRACE:
+ o.Val, err = p.objectType()
+ if err != nil {
+ return nil, err
+ }
+ default:
+ keyStr := make([]string, 0, len(keys))
+ for _, k := range keys {
+ keyStr = append(keyStr, k.Token.Text)
+ }
+
+ return nil, fmt.Errorf(
+ "key '%s' expected start of object ('{') or assignment ('=')",
+ strings.Join(keyStr, " "))
+ }
+
+ // do a look-ahead for line comment
+ p.scan()
+ if len(keys) > 0 && o.Val.Pos().Line == keys[0].Pos().Line && p.lineComment != nil {
+ o.LineComment = p.lineComment
+ p.lineComment = nil
+ }
+ p.unscan()
+ return o, nil
+}
+
+// objectKey parses an object key and returns a ObjectKey AST
+func (p *Parser) objectKey() ([]*ast.ObjectKey, error) {
+ keyCount := 0
+ keys := make([]*ast.ObjectKey, 0)
+
+ for {
+ tok := p.scan()
+ switch tok.Type {
+ case token.EOF:
+ // It is very important to also return the keys here as well as
+ // the error. This is because we need to be able to tell if we
+ // did parse keys prior to finding the EOF, or if we just found
+ // a bare EOF.
+ return keys, errEofToken
+ case token.ASSIGN:
+ // assignment or object only, but not nested objects. this is not
+ // allowed: `foo bar = {}`
+ if keyCount > 1 {
+ return nil, &PosError{
+ Pos: p.tok.Pos,
+ Err: fmt.Errorf("nested object expected: LBRACE got: %s", p.tok.Type),
+ }
+ }
+
+ if keyCount == 0 {
+ return nil, &PosError{
+ Pos: p.tok.Pos,
+ Err: errors.New("no object keys found!"),
+ }
+ }
+
+ return keys, nil
+ case token.LBRACE:
+ var err error
+
+ // If we have no keys, then it is a syntax error. i.e. {{}} is not
+ // allowed.
+ if len(keys) == 0 {
+ err = &PosError{
+ Pos: p.tok.Pos,
+ Err: fmt.Errorf("expected: IDENT | STRING got: %s", p.tok.Type),
+ }
+ }
+
+ // object
+ return keys, err
+ case token.IDENT, token.STRING:
+ keyCount++
+ keys = append(keys, &ast.ObjectKey{Token: p.tok})
+ case token.ILLEGAL:
+ return keys, &PosError{
+ Pos: p.tok.Pos,
+ Err: fmt.Errorf("illegal character"),
+ }
+ default:
+ return keys, &PosError{
+ Pos: p.tok.Pos,
+ Err: fmt.Errorf("expected: IDENT | STRING | ASSIGN | LBRACE got: %s", p.tok.Type),
+ }
+ }
+ }
+}
+
+// object parses any type of object, such as number, bool, string, object or
+// list.
+func (p *Parser) object() (ast.Node, error) {
+ defer un(trace(p, "ParseType"))
+ tok := p.scan()
+
+ switch tok.Type {
+ case token.NUMBER, token.FLOAT, token.BOOL, token.STRING, token.HEREDOC:
+ return p.literalType()
+ case token.LBRACE:
+ return p.objectType()
+ case token.LBRACK:
+ return p.listType()
+ case token.COMMENT:
+ // implement comment
+ case token.EOF:
+ return nil, errEofToken
+ }
+
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf("Unknown token: %+v", tok),
+ }
+}
+
+// objectType parses an object type and returns a ObjectType AST
+func (p *Parser) objectType() (*ast.ObjectType, error) {
+ defer un(trace(p, "ParseObjectType"))
+
+ // we assume that the currently scanned token is a LBRACE
+ o := &ast.ObjectType{
+ Lbrace: p.tok.Pos,
+ }
+
+ l, err := p.objectList(true)
+
+ // if we hit RBRACE, we are good to go (means we parsed all Items), if it's
+ // not a RBRACE, it's an syntax error and we just return it.
+ if err != nil && p.tok.Type != token.RBRACE {
+ return nil, err
+ }
+
+ // No error, scan and expect the ending to be a brace
+ if tok := p.scan(); tok.Type != token.RBRACE {
+ return nil, fmt.Errorf("object expected closing RBRACE got: %s", tok.Type)
+ }
+
+ o.List = l
+ o.Rbrace = p.tok.Pos // advanced via parseObjectList
+ return o, nil
+}
+
+// listType parses a list type and returns a ListType AST
+func (p *Parser) listType() (*ast.ListType, error) {
+ defer un(trace(p, "ParseListType"))
+
+ // we assume that the currently scanned token is a LBRACK
+ l := &ast.ListType{
+ Lbrack: p.tok.Pos,
+ }
+
+ needComma := false
+ for {
+ tok := p.scan()
+ if needComma {
+ switch tok.Type {
+ case token.COMMA, token.RBRACK:
+ default:
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf(
+ "error parsing list, expected comma or list end, got: %s",
+ tok.Type),
+ }
+ }
+ }
+ switch tok.Type {
+ case token.BOOL, token.NUMBER, token.FLOAT, token.STRING, token.HEREDOC:
+ node, err := p.literalType()
+ if err != nil {
+ return nil, err
+ }
+
+ // If there is a lead comment, apply it
+ if p.leadComment != nil {
+ node.LeadComment = p.leadComment
+ p.leadComment = nil
+ }
+
+ l.Add(node)
+ needComma = true
+ case token.COMMA:
+ // get next list item or we are at the end
+ // do a look-ahead for line comment
+ p.scan()
+ if p.lineComment != nil && len(l.List) > 0 {
+ lit, ok := l.List[len(l.List)-1].(*ast.LiteralType)
+ if ok {
+ lit.LineComment = p.lineComment
+ l.List[len(l.List)-1] = lit
+ p.lineComment = nil
+ }
+ }
+ p.unscan()
+
+ needComma = false
+ continue
+ case token.LBRACE:
+ // Looks like a nested object, so parse it out
+ node, err := p.objectType()
+ if err != nil {
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf(
+ "error while trying to parse object within list: %s", err),
+ }
+ }
+ l.Add(node)
+ needComma = true
+ case token.LBRACK:
+ node, err := p.listType()
+ if err != nil {
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf(
+ "error while trying to parse list within list: %s", err),
+ }
+ }
+ l.Add(node)
+ case token.RBRACK:
+ // finished
+ l.Rbrack = p.tok.Pos
+ return l, nil
+ default:
+ return nil, &PosError{
+ Pos: tok.Pos,
+ Err: fmt.Errorf("unexpected token while parsing list: %s", tok.Type),
+ }
+ }
+ }
+}
+
+// literalType parses a literal type and returns a LiteralType AST
+func (p *Parser) literalType() (*ast.LiteralType, error) {
+ defer un(trace(p, "ParseLiteral"))
+
+ return &ast.LiteralType{
+ Token: p.tok,
+ }, nil
+}
+
+// scan returns the next token from the underlying scanner. If a token has
+// been unscanned then read that instead. In the process, it collects any
+// comment groups encountered, and remembers the last lead and line comments.
+func (p *Parser) scan() token.Token {
+ // If we have a token on the buffer, then return it.
+ if p.n != 0 {
+ p.n = 0
+ return p.tok
+ }
+
+ // Otherwise read the next token from the scanner and Save it to the buffer
+ // in case we unscan later.
+ prev := p.tok
+ p.tok = p.sc.Scan()
+
+ if p.tok.Type == token.COMMENT {
+ var comment *ast.CommentGroup
+ var endline int
+
+ // fmt.Printf("p.tok.Pos.Line = %+v prev: %d endline %d \n",
+ // p.tok.Pos.Line, prev.Pos.Line, endline)
+ if p.tok.Pos.Line == prev.Pos.Line {
+ // The comment is on same line as the previous token; it
+ // cannot be a lead comment but may be a line comment.
+ comment, endline = p.consumeCommentGroup(0)
+ if p.tok.Pos.Line != endline {
+ // The next token is on a different line, thus
+ // the last comment group is a line comment.
+ p.lineComment = comment
+ }
+ }
+
+ // consume successor comments, if any
+ endline = -1
+ for p.tok.Type == token.COMMENT {
+ comment, endline = p.consumeCommentGroup(1)
+ }
+
+ if endline+1 == p.tok.Pos.Line && p.tok.Type != token.RBRACE {
+ switch p.tok.Type {
+ case token.RBRACE, token.RBRACK:
+ // Do not count for these cases
+ default:
+ // The next token is following on the line immediately after the
+ // comment group, thus the last comment group is a lead comment.
+ p.leadComment = comment
+ }
+ }
+
+ }
+
+ return p.tok
+}
+
+// unscan pushes the previously read token back onto the buffer.
+func (p *Parser) unscan() {
+ p.n = 1
+}
+
+// ----------------------------------------------------------------------------
+// Parsing support
+
+func (p *Parser) printTrace(a ...interface{}) {
+ if !p.enableTrace {
+ return
+ }
+
+ const dots = ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
+ const n = len(dots)
+ fmt.Printf("%5d:%3d: ", p.tok.Pos.Line, p.tok.Pos.Column)
+
+ i := 2 * p.indent
+ for i > n {
+ fmt.Print(dots)
+ i -= n
+ }
+ // i <= n
+ fmt.Print(dots[0:i])
+ fmt.Println(a...)
+}
+
+func trace(p *Parser, msg string) *Parser {
+ p.printTrace(msg, "(")
+ p.indent++
+ return p
+}
+
+// Usage pattern: defer un(trace(p, "..."))
+func un(p *Parser) {
+ p.indent--
+ p.printTrace(")")
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/parser_test.go b/vendor/github.com/hashicorp/hcl/hcl/parser/parser_test.go
new file mode 100644
index 000000000..575865838
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/parser_test.go
@@ -0,0 +1,566 @@
+package parser
+
+import (
+ "fmt"
+ "io/ioutil"
+ "path/filepath"
+ "reflect"
+ "runtime"
+ "strings"
+ "testing"
+
+ "github.com/hashicorp/hcl/hcl/ast"
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+func TestType(t *testing.T) {
+ var literals = []struct {
+ typ token.Type
+ src string
+ }{
+ {token.STRING, `foo = "foo"`},
+ {token.NUMBER, `foo = 123`},
+ {token.NUMBER, `foo = -29`},
+ {token.FLOAT, `foo = 123.12`},
+ {token.FLOAT, `foo = -123.12`},
+ {token.BOOL, `foo = true`},
+ {token.HEREDOC, "foo = <<EOF\nHello\nWorld\nEOF"},
+ }
+
+ for _, l := range literals {
+ p := newParser([]byte(l.src))
+ item, err := p.objectItem()
+ if err != nil {
+ t.Error(err)
+ }
+
+ lit, ok := item.Val.(*ast.LiteralType)
+ if !ok {
+ t.Errorf("node should be of type LiteralType, got: %T", item.Val)
+ }
+
+ if lit.Token.Type != l.typ {
+ t.Errorf("want: %s, got: %s", l.typ, lit.Token.Type)
+ }
+ }
+}
+
+func TestListType(t *testing.T) {
+ var literals = []struct {
+ src string
+ tokens []token.Type
+ }{
+ {
+ `foo = ["123", 123]`,
+ []token.Type{token.STRING, token.NUMBER},
+ },
+ {
+ `foo = [123, "123",]`,
+ []token.Type{token.NUMBER, token.STRING},
+ },
+ {
+ `foo = [false]`,
+ []token.Type{token.BOOL},
+ },
+ {
+ `foo = []`,
+ []token.Type{},
+ },
+ {
+ `foo = [1,
+"string",
+<<EOF
+heredoc contents
+EOF
+]`,
+ []token.Type{token.NUMBER, token.STRING, token.HEREDOC},
+ },
+ }
+
+ for _, l := range literals {
+ p := newParser([]byte(l.src))
+ item, err := p.objectItem()
+ if err != nil {
+ t.Error(err)
+ }
+
+ list, ok := item.Val.(*ast.ListType)
+ if !ok {
+ t.Errorf("node should be of type LiteralType, got: %T", item.Val)
+ }
+
+ tokens := []token.Type{}
+ for _, li := range list.List {
+ if tp, ok := li.(*ast.LiteralType); ok {
+ tokens = append(tokens, tp.Token.Type)
+ }
+ }
+
+ equals(t, l.tokens, tokens)
+ }
+}
+
+func TestListOfMaps(t *testing.T) {
+ src := `foo = [
+ {key = "bar"},
+ {key = "baz", key2 = "qux"},
+ ]`
+ p := newParser([]byte(src))
+
+ file, err := p.Parse()
+ if err != nil {
+ t.Fatalf("err: %s", err)
+ }
+
+ // Here we make all sorts of assumptions about the input structure w/ type
+ // assertions. The intent is only for this to be a "smoke test" ensuring
+ // parsing actually performed its duty - giving this test something a bit
+ // more robust than _just_ "no error occurred".
+ expected := []string{`"bar"`, `"baz"`, `"qux"`}
+ actual := make([]string, 0, 3)
+ ol := file.Node.(*ast.ObjectList)
+ objItem := ol.Items[0]
+ list := objItem.Val.(*ast.ListType)
+ for _, node := range list.List {
+ obj := node.(*ast.ObjectType)
+ for _, item := range obj.List.Items {
+ val := item.Val.(*ast.LiteralType)
+ actual = append(actual, val.Token.Text)
+ }
+
+ }
+ if !reflect.DeepEqual(expected, actual) {
+ t.Fatalf("Expected: %#v, got %#v", expected, actual)
+ }
+}
+
+func TestListOfMaps_requiresComma(t *testing.T) {
+ src := `foo = [
+ {key = "bar"}
+ {key = "baz"}
+ ]`
+ p := newParser([]byte(src))
+
+ _, err := p.Parse()
+ if err == nil {
+ t.Fatalf("Expected error, got none!")
+ }
+
+ expected := "error parsing list, expected comma or list end"
+ if !strings.Contains(err.Error(), expected) {
+ t.Fatalf("Expected err:\n %s\nTo contain:\n %s\n", err, expected)
+ }
+}
+
+func TestListType_leadComment(t *testing.T) {
+ var literals = []struct {
+ src string
+ comment []string
+ }{
+ {
+ `foo = [
+ 1,
+ # bar
+ 2,
+ 3,
+ ]`,
+ []string{"", "# bar", ""},
+ },
+ }
+
+ for _, l := range literals {
+ p := newParser([]byte(l.src))
+ item, err := p.objectItem()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ list, ok := item.Val.(*ast.ListType)
+ if !ok {
+ t.Fatalf("node should be of type LiteralType, got: %T", item.Val)
+ }
+
+ if len(list.List) != len(l.comment) {
+ t.Fatalf("bad: %d", len(list.List))
+ }
+
+ for i, li := range list.List {
+ lt := li.(*ast.LiteralType)
+ comment := l.comment[i]
+
+ if (lt.LeadComment == nil) != (comment == "") {
+ t.Fatalf("bad: %#v", lt)
+ }
+
+ if comment == "" {
+ continue
+ }
+
+ actual := lt.LeadComment.List[0].Text
+ if actual != comment {
+ t.Fatalf("bad: %q %q", actual, comment)
+ }
+ }
+ }
+}
+
+func TestListType_lineComment(t *testing.T) {
+ var literals = []struct {
+ src string
+ comment []string
+ }{
+ {
+ `foo = [
+ 1,
+ 2, # bar
+ 3,
+ ]`,
+ []string{"", "# bar", ""},
+ },
+ }
+
+ for _, l := range literals {
+ p := newParser([]byte(l.src))
+ item, err := p.objectItem()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ list, ok := item.Val.(*ast.ListType)
+ if !ok {
+ t.Fatalf("node should be of type LiteralType, got: %T", item.Val)
+ }
+
+ if len(list.List) != len(l.comment) {
+ t.Fatalf("bad: %d", len(list.List))
+ }
+
+ for i, li := range list.List {
+ lt := li.(*ast.LiteralType)
+ comment := l.comment[i]
+
+ if (lt.LineComment == nil) != (comment == "") {
+ t.Fatalf("bad: %s", lt)
+ }
+
+ if comment == "" {
+ continue
+ }
+
+ actual := lt.LineComment.List[0].Text
+ if actual != comment {
+ t.Fatalf("bad: %q %q", actual, comment)
+ }
+ }
+ }
+}
+
+func TestObjectType(t *testing.T) {
+ var literals = []struct {
+ src string
+ nodeType []ast.Node
+ itemLen int
+ }{
+ {
+ `foo = {}`,
+ nil,
+ 0,
+ },
+ {
+ `foo = {
+ bar = "fatih"
+ }`,
+ []ast.Node{&ast.LiteralType{}},
+ 1,
+ },
+ {
+ `foo = {
+ bar = "fatih"
+ baz = ["arslan"]
+ }`,
+ []ast.Node{
+ &ast.LiteralType{},
+ &ast.ListType{},
+ },
+ 2,
+ },
+ {
+ `foo = {
+ bar {}
+ }`,
+ []ast.Node{
+ &ast.ObjectType{},
+ },
+ 1,
+ },
+ {
+ `foo {
+ bar {}
+ foo = true
+ }`,
+ []ast.Node{
+ &ast.ObjectType{},
+ &ast.LiteralType{},
+ },
+ 2,
+ },
+ }
+
+ for _, l := range literals {
+ t.Logf("Source: %s", l.src)
+
+ p := newParser([]byte(l.src))
+ // p.enableTrace = true
+ item, err := p.objectItem()
+ if err != nil {
+ t.Error(err)
+ continue
+ }
+
+ // we know that the ObjectKey name is foo for all cases, what matters
+ // is the object
+ obj, ok := item.Val.(*ast.ObjectType)
+ if !ok {
+ t.Errorf("node should be of type LiteralType, got: %T", item.Val)
+ continue
+ }
+
+ // check if the total length of items are correct
+ equals(t, l.itemLen, len(obj.List.Items))
+
+ // check if the types are correct
+ for i, item := range obj.List.Items {
+ equals(t, reflect.TypeOf(l.nodeType[i]), reflect.TypeOf(item.Val))
+ }
+ }
+}
+
+func TestObjectKey(t *testing.T) {
+ keys := []struct {
+ exp []token.Type
+ src string
+ }{
+ {[]token.Type{token.IDENT}, `foo {}`},
+ {[]token.Type{token.IDENT}, `foo = {}`},
+ {[]token.Type{token.IDENT}, `foo = bar`},
+ {[]token.Type{token.IDENT}, `foo = 123`},
+ {[]token.Type{token.IDENT}, `foo = "${var.bar}`},
+ {[]token.Type{token.STRING}, `"foo" {}`},
+ {[]token.Type{token.STRING}, `"foo" = {}`},
+ {[]token.Type{token.STRING}, `"foo" = "${var.bar}`},
+ {[]token.Type{token.IDENT, token.IDENT}, `foo bar {}`},
+ {[]token.Type{token.IDENT, token.STRING}, `foo "bar" {}`},
+ {[]token.Type{token.STRING, token.IDENT}, `"foo" bar {}`},
+ {[]token.Type{token.IDENT, token.IDENT, token.IDENT}, `foo bar baz {}`},
+ }
+
+ for _, k := range keys {
+ p := newParser([]byte(k.src))
+ keys, err := p.objectKey()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ tokens := []token.Type{}
+ for _, o := range keys {
+ tokens = append(tokens, o.Token.Type)
+ }
+
+ equals(t, k.exp, tokens)
+ }
+
+ errKeys := []struct {
+ src string
+ }{
+ {`foo 12 {}`},
+ {`foo bar = {}`},
+ {`foo []`},
+ {`12 {}`},
+ }
+
+ for _, k := range errKeys {
+ p := newParser([]byte(k.src))
+ _, err := p.objectKey()
+ if err == nil {
+ t.Errorf("case '%s' should give an error", k.src)
+ }
+ }
+}
+
+func TestCommentGroup(t *testing.T) {
+ var cases = []struct {
+ src string
+ groups int
+ }{
+ {"# Hello\n# World", 1},
+ }
+
+ for _, tc := range cases {
+ t.Run(tc.src, func(t *testing.T) {
+ p := newParser([]byte(tc.src))
+ file, err := p.Parse()
+ if err != nil {
+ t.Fatalf("parse error: %s", err)
+ }
+
+ if len(file.Comments) != tc.groups {
+ t.Fatalf("bad: %#v", file.Comments)
+ }
+ })
+ }
+}
+
+// Official HCL tests
+func TestParse(t *testing.T) {
+ cases := []struct {
+ Name string
+ Err bool
+ }{
+ {
+ "assign_colon.hcl",
+ true,
+ },
+ {
+ "comment.hcl",
+ false,
+ },
+ {
+ "comment_lastline.hcl",
+ false,
+ },
+ {
+ "comment_single.hcl",
+ false,
+ },
+ {
+ "empty.hcl",
+ false,
+ },
+ {
+ "list_comma.hcl",
+ false,
+ },
+ {
+ "multiple.hcl",
+ false,
+ },
+ {
+ "object_list_comma.hcl",
+ false,
+ },
+ {
+ "structure.hcl",
+ false,
+ },
+ {
+ "structure_basic.hcl",
+ false,
+ },
+ {
+ "structure_empty.hcl",
+ false,
+ },
+ {
+ "complex.hcl",
+ false,
+ },
+ {
+ "types.hcl",
+ false,
+ },
+ {
+ "array_comment.hcl",
+ false,
+ },
+ {
+ "array_comment_2.hcl",
+ true,
+ },
+ {
+ "missing_braces.hcl",
+ true,
+ },
+ {
+ "unterminated_object.hcl",
+ true,
+ },
+ {
+ "unterminated_object_2.hcl",
+ true,
+ },
+ {
+ "key_without_value.hcl",
+ true,
+ },
+ {
+ "object_key_without_value.hcl",
+ true,
+ },
+ {
+ "object_key_assign_without_value.hcl",
+ true,
+ },
+ {
+ "object_key_assign_without_value2.hcl",
+ true,
+ },
+ {
+ "object_key_assign_without_value3.hcl",
+ true,
+ },
+ {
+ "git_crypt.hcl",
+ true,
+ },
+ }
+
+ const fixtureDir = "./test-fixtures"
+
+ for _, tc := range cases {
+ t.Run(tc.Name, func(t *testing.T) {
+ d, err := ioutil.ReadFile(filepath.Join(fixtureDir, tc.Name))
+ if err != nil {
+ t.Fatalf("err: %s", err)
+ }
+
+ v, err := Parse(d)
+ if (err != nil) != tc.Err {
+ t.Fatalf("Input: %s\n\nError: %s\n\nAST: %#v", tc.Name, err, v)
+ }
+ })
+ }
+}
+
+func TestParse_inline(t *testing.T) {
+ cases := []struct {
+ Value string
+ Err bool
+ }{
+ {"t t e{{}}", true},
+ {"o{{}}", true},
+ {"t t e d N{{}}", true},
+ {"t t e d{{}}", true},
+ {"N{}N{{}}", true},
+ {"v\nN{{}}", true},
+ {"v=/\n[,", true},
+ {"v=10kb", true},
+ {"v=/foo", true},
+ }
+
+ for _, tc := range cases {
+ t.Logf("Testing: %q", tc.Value)
+ ast, err := Parse([]byte(tc.Value))
+ if (err != nil) != tc.Err {
+ t.Fatalf("Input: %q\n\nError: %s\n\nAST: %#v", tc.Value, err, ast)
+ }
+ }
+}
+
+// equals fails the test if exp is not equal to act.
+func equals(tb testing.TB, exp, act interface{}) {
+ if !reflect.DeepEqual(exp, act) {
+ _, file, line, _ := runtime.Caller(1)
+ fmt.Printf("\033[31m%s:%d:\n\n\texp: %#v\n\n\tgot: %#v\033[39m\n\n", filepath.Base(file), line, exp, act)
+ tb.FailNow()
+ }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment.hcl
new file mode 100644
index 000000000..78c267582
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment.hcl
@@ -0,0 +1,4 @@
+foo = [
+ "1",
+ "2", # comment
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment_2.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment_2.hcl
new file mode 100644
index 000000000..f91667738
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/array_comment_2.hcl
@@ -0,0 +1,6 @@
+provisioner "remote-exec" {
+ scripts = [
+ "${path.module}/scripts/install-consul.sh" // missing comma
+ "${path.module}/scripts/install-haproxy.sh"
+ ]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_colon.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_colon.hcl
new file mode 100644
index 000000000..eb5a99a69
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_colon.hcl
@@ -0,0 +1,6 @@
+resource = [{
+ "foo": {
+ "bar": {},
+ "baz": [1, 2, "foo"],
+ }
+}]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_deep.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_deep.hcl
new file mode 100644
index 000000000..dd3151cb7
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/assign_deep.hcl
@@ -0,0 +1,5 @@
+resource = [{
+ foo = [{
+ bar = {}
+ }]
+}]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment.hcl
new file mode 100644
index 000000000..1ff7f29fd
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment.hcl
@@ -0,0 +1,15 @@
+// Foo
+
+/* Bar */
+
+/*
+/*
+Baz
+*/
+
+# Another
+
+# Multiple
+# Lines
+
+foo = "bar"
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_lastline.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_lastline.hcl
new file mode 100644
index 000000000..5529b9b4c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_lastline.hcl
@@ -0,0 +1 @@
+#foo \ No newline at end of file
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_single.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_single.hcl
new file mode 100644
index 000000000..fec56017d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/comment_single.hcl
@@ -0,0 +1 @@
+# Hello
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex.hcl
new file mode 100644
index 000000000..13b3c2726
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex.hcl
@@ -0,0 +1,42 @@
+variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+
+variable "groups" { }
+
+provider "aws" {
+ access_key = "foo"
+ secret_key = "bar"
+}
+
+provider "do" {
+ api_key = "${var.foo}"
+}
+
+resource "aws_security_group" "firewall" {
+ count = 5
+}
+
+resource aws_instance "web" {
+ ami = "${var.foo}"
+ security_groups = [
+ "foo",
+ "${aws_security_group.firewall.foo}",
+ "${element(split(\",\", var.groups)}",
+ ]
+ network_interface = {
+ device_index = 0
+ description = "Main network interface"
+ }
+}
+
+resource "aws_instance" "db" {
+ security_groups = "${aws_security_group.firewall.*.id}"
+ VPC = "foo"
+ depends_on = ["aws_instance.web"]
+}
+
+output "web_ip" {
+ value = "${aws_instance.web.private_ip}"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex_key.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex_key.hcl
new file mode 100644
index 000000000..0007aaf5f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/complex_key.hcl
@@ -0,0 +1 @@
+foo.bar = "baz"
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/empty.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/empty.hcl
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/empty.hcl
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/git_crypt.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/git_crypt.hcl
new file mode 100644
index 000000000..f691948e1
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/git_crypt.hcl
Binary files differ
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/key_without_value.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/key_without_value.hcl
new file mode 100644
index 000000000..257cc5642
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/key_without_value.hcl
@@ -0,0 +1 @@
+foo
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list.hcl
new file mode 100644
index 000000000..059d4ce65
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list.hcl
@@ -0,0 +1 @@
+foo = [1, 2, "foo"]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list_comma.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list_comma.hcl
new file mode 100644
index 000000000..50f4218ac
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/list_comma.hcl
@@ -0,0 +1 @@
+foo = [1, 2, "foo",]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/missing_braces.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/missing_braces.hcl
new file mode 100644
index 000000000..68e7274e6
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/missing_braces.hcl
@@ -0,0 +1,4 @@
+# should error, but not crash
+resource "template_file" "cloud_config" {
+ template = "$file("${path.module}/some/path")"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/multiple.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/multiple.hcl
new file mode 100644
index 000000000..029c54b0c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/multiple.hcl
@@ -0,0 +1,2 @@
+foo = "bar"
+key = 7
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value.hcl
new file mode 100644
index 000000000..37a2c7a06
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value.hcl
@@ -0,0 +1,3 @@
+foo {
+ bar =
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value2.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value2.hcl
new file mode 100644
index 000000000..83ec5e66e
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value2.hcl
@@ -0,0 +1,4 @@
+foo {
+ baz = 7
+ bar =
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value3.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value3.hcl
new file mode 100644
index 000000000..21136d1d5
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_assign_without_value3.hcl
@@ -0,0 +1,4 @@
+foo {
+ bar =
+ baz = 7
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_without_value.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_without_value.hcl
new file mode 100644
index 000000000..a9987318c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_key_without_value.hcl
@@ -0,0 +1,3 @@
+foo {
+ bar
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_list_comma.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_list_comma.hcl
new file mode 100644
index 000000000..1921ec8f2
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/object_list_comma.hcl
@@ -0,0 +1 @@
+foo = {one = 1, two = 2}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/old.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/old.hcl
new file mode 100644
index 000000000..e9f77cae9
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/old.hcl
@@ -0,0 +1,3 @@
+default = {
+ "eu-west-1": "ami-b1cf19c6",
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure.hcl
new file mode 100644
index 000000000..92592fbb3
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure.hcl
@@ -0,0 +1,5 @@
+// This is a test structure for the lexer
+foo bar "baz" {
+ key = 7
+ foo = "bar"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_basic.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_basic.hcl
new file mode 100644
index 000000000..7229a1f01
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_basic.hcl
@@ -0,0 +1,5 @@
+foo {
+ value = 7
+ "value" = 8
+ "complex::value" = 9
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_empty.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_empty.hcl
new file mode 100644
index 000000000..4d156ddea
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/structure_empty.hcl
@@ -0,0 +1 @@
+resource "foo" "bar" {}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/types.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/types.hcl
new file mode 100644
index 000000000..cf2747ea1
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/types.hcl
@@ -0,0 +1,7 @@
+foo = "bar"
+bar = 7
+baz = [1,2,3]
+foo = -12
+bar = 3.14159
+foo = true
+bar = false
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object.hcl
new file mode 100644
index 000000000..31b37c4f9
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object.hcl
@@ -0,0 +1,2 @@
+foo "baz" {
+ bar = "baz"
diff --git a/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object_2.hcl b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object_2.hcl
new file mode 100644
index 000000000..294e36d65
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/parser/test-fixtures/unterminated_object_2.hcl
@@ -0,0 +1,6 @@
+resource "aws_eip" "EIP1" { a { a { a { a { a {
+ count = "1"
+
+resource "aws_eip" "EIP2" {
+ count = "1"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/nodes.go b/vendor/github.com/hashicorp/hcl/hcl/printer/nodes.go
new file mode 100644
index 000000000..c896d5844
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/nodes.go
@@ -0,0 +1,779 @@
+package printer
+
+import (
+ "bytes"
+ "fmt"
+ "sort"
+
+ "github.com/hashicorp/hcl/hcl/ast"
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+const (
+ blank = byte(' ')
+ newline = byte('\n')
+ tab = byte('\t')
+ infinity = 1 << 30 // offset or line
+)
+
+var (
+ unindent = []byte("\uE123") // in the private use space
+)
+
+type printer struct {
+ cfg Config
+ prev token.Pos
+
+ comments []*ast.CommentGroup // may be nil, contains all comments
+ standaloneComments []*ast.CommentGroup // contains all standalone comments (not assigned to any node)
+
+ enableTrace bool
+ indentTrace int
+}
+
+type ByPosition []*ast.CommentGroup
+
+func (b ByPosition) Len() int { return len(b) }
+func (b ByPosition) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
+func (b ByPosition) Less(i, j int) bool { return b[i].Pos().Before(b[j].Pos()) }
+
+// collectComments comments all standalone comments which are not lead or line
+// comment
+func (p *printer) collectComments(node ast.Node) {
+ // first collect all comments. This is already stored in
+ // ast.File.(comments)
+ ast.Walk(node, func(nn ast.Node) (ast.Node, bool) {
+ switch t := nn.(type) {
+ case *ast.File:
+ p.comments = t.Comments
+ return nn, false
+ }
+ return nn, true
+ })
+
+ standaloneComments := make(map[token.Pos]*ast.CommentGroup, 0)
+ for _, c := range p.comments {
+ standaloneComments[c.Pos()] = c
+ }
+
+ // next remove all lead and line comments from the overall comment map.
+ // This will give us comments which are standalone, comments which are not
+ // assigned to any kind of node.
+ ast.Walk(node, func(nn ast.Node) (ast.Node, bool) {
+ switch t := nn.(type) {
+ case *ast.LiteralType:
+ if t.LeadComment != nil {
+ for _, comment := range t.LeadComment.List {
+ if _, ok := standaloneComments[comment.Pos()]; ok {
+ delete(standaloneComments, comment.Pos())
+ }
+ }
+ }
+
+ if t.LineComment != nil {
+ for _, comment := range t.LineComment.List {
+ if _, ok := standaloneComments[comment.Pos()]; ok {
+ delete(standaloneComments, comment.Pos())
+ }
+ }
+ }
+ case *ast.ObjectItem:
+ if t.LeadComment != nil {
+ for _, comment := range t.LeadComment.List {
+ if _, ok := standaloneComments[comment.Pos()]; ok {
+ delete(standaloneComments, comment.Pos())
+ }
+ }
+ }
+
+ if t.LineComment != nil {
+ for _, comment := range t.LineComment.List {
+ if _, ok := standaloneComments[comment.Pos()]; ok {
+ delete(standaloneComments, comment.Pos())
+ }
+ }
+ }
+ }
+
+ return nn, true
+ })
+
+ for _, c := range standaloneComments {
+ p.standaloneComments = append(p.standaloneComments, c)
+ }
+
+ sort.Sort(ByPosition(p.standaloneComments))
+}
+
+// output prints creates b printable HCL output and returns it.
+func (p *printer) output(n interface{}) []byte {
+ var buf bytes.Buffer
+
+ switch t := n.(type) {
+ case *ast.File:
+ // File doesn't trace so we add the tracing here
+ defer un(trace(p, "File"))
+ return p.output(t.Node)
+ case *ast.ObjectList:
+ defer un(trace(p, "ObjectList"))
+
+ var index int
+ for {
+ // Determine the location of the next actual non-comment
+ // item. If we're at the end, the next item is at "infinity"
+ var nextItem token.Pos
+ if index != len(t.Items) {
+ nextItem = t.Items[index].Pos()
+ } else {
+ nextItem = token.Pos{Offset: infinity, Line: infinity}
+ }
+
+ // Go through the standalone comments in the file and print out
+ // the comments that we should be for this object item.
+ for _, c := range p.standaloneComments {
+ // Go through all the comments in the group. The group
+ // should be printed together, not separated by double newlines.
+ printed := false
+ newlinePrinted := false
+ for _, comment := range c.List {
+ // We only care about comments after the previous item
+ // we've printed so that comments are printed in the
+ // correct locations (between two objects for example).
+ // And before the next item.
+ if comment.Pos().After(p.prev) && comment.Pos().Before(nextItem) {
+ // if we hit the end add newlines so we can print the comment
+ // we don't do this if prev is invalid which means the
+ // beginning of the file since the first comment should
+ // be at the first line.
+ if !newlinePrinted && p.prev.IsValid() && index == len(t.Items) {
+ buf.Write([]byte{newline, newline})
+ newlinePrinted = true
+ }
+
+ // Write the actual comment.
+ buf.WriteString(comment.Text)
+ buf.WriteByte(newline)
+
+ // Set printed to true to note that we printed something
+ printed = true
+ }
+ }
+
+ // If we're not at the last item, write a new line so
+ // that there is a newline separating this comment from
+ // the next object.
+ if printed && index != len(t.Items) {
+ buf.WriteByte(newline)
+ }
+ }
+
+ if index == len(t.Items) {
+ break
+ }
+
+ buf.Write(p.output(t.Items[index]))
+ if index != len(t.Items)-1 {
+ // Always write a newline to separate us from the next item
+ buf.WriteByte(newline)
+
+ // Need to determine if we're going to separate the next item
+ // with a blank line. The logic here is simple, though there
+ // are a few conditions:
+ //
+ // 1. The next object is more than one line away anyways,
+ // so we need an empty line.
+ //
+ // 2. The next object is not a "single line" object, so
+ // we need an empty line.
+ //
+ // 3. This current object is not a single line object,
+ // so we need an empty line.
+ current := t.Items[index]
+ next := t.Items[index+1]
+ if next.Pos().Line != t.Items[index].Pos().Line+1 ||
+ !p.isSingleLineObject(next) ||
+ !p.isSingleLineObject(current) {
+ buf.WriteByte(newline)
+ }
+ }
+ index++
+ }
+ case *ast.ObjectKey:
+ buf.WriteString(t.Token.Text)
+ case *ast.ObjectItem:
+ p.prev = t.Pos()
+ buf.Write(p.objectItem(t))
+ case *ast.LiteralType:
+ buf.Write(p.literalType(t))
+ case *ast.ListType:
+ buf.Write(p.list(t))
+ case *ast.ObjectType:
+ buf.Write(p.objectType(t))
+ default:
+ fmt.Printf(" unknown type: %T\n", n)
+ }
+
+ return buf.Bytes()
+}
+
+func (p *printer) literalType(lit *ast.LiteralType) []byte {
+ result := []byte(lit.Token.Text)
+ switch lit.Token.Type {
+ case token.HEREDOC:
+ // Clear the trailing newline from heredocs
+ if result[len(result)-1] == '\n' {
+ result = result[:len(result)-1]
+ }
+
+ // Poison lines 2+ so that we don't indent them
+ result = p.heredocIndent(result)
+ case token.STRING:
+ // If this is a multiline string, poison lines 2+ so we don't
+ // indent them.
+ if bytes.IndexRune(result, '\n') >= 0 {
+ result = p.heredocIndent(result)
+ }
+ }
+
+ return result
+}
+
+// objectItem returns the printable HCL form of an object item. An object type
+// starts with one/multiple keys and has a value. The value might be of any
+// type.
+func (p *printer) objectItem(o *ast.ObjectItem) []byte {
+ defer un(trace(p, fmt.Sprintf("ObjectItem: %s", o.Keys[0].Token.Text)))
+ var buf bytes.Buffer
+
+ if o.LeadComment != nil {
+ for _, comment := range o.LeadComment.List {
+ buf.WriteString(comment.Text)
+ buf.WriteByte(newline)
+ }
+ }
+
+ for i, k := range o.Keys {
+ buf.WriteString(k.Token.Text)
+ buf.WriteByte(blank)
+
+ // reach end of key
+ if o.Assign.IsValid() && i == len(o.Keys)-1 && len(o.Keys) == 1 {
+ buf.WriteString("=")
+ buf.WriteByte(blank)
+ }
+ }
+
+ buf.Write(p.output(o.Val))
+
+ if o.Val.Pos().Line == o.Keys[0].Pos().Line && o.LineComment != nil {
+ buf.WriteByte(blank)
+ for _, comment := range o.LineComment.List {
+ buf.WriteString(comment.Text)
+ }
+ }
+
+ return buf.Bytes()
+}
+
+// objectType returns the printable HCL form of an object type. An object type
+// begins with a brace and ends with a brace.
+func (p *printer) objectType(o *ast.ObjectType) []byte {
+ defer un(trace(p, "ObjectType"))
+ var buf bytes.Buffer
+ buf.WriteString("{")
+
+ var index int
+ var nextItem token.Pos
+ var commented, newlinePrinted bool
+ for {
+ // Determine the location of the next actual non-comment
+ // item. If we're at the end, the next item is the closing brace
+ if index != len(o.List.Items) {
+ nextItem = o.List.Items[index].Pos()
+ } else {
+ nextItem = o.Rbrace
+ }
+
+ // Go through the standalone comments in the file and print out
+ // the comments that we should be for this object item.
+ for _, c := range p.standaloneComments {
+ printed := false
+ var lastCommentPos token.Pos
+ for _, comment := range c.List {
+ // We only care about comments after the previous item
+ // we've printed so that comments are printed in the
+ // correct locations (between two objects for example).
+ // And before the next item.
+ if comment.Pos().After(p.prev) && comment.Pos().Before(nextItem) {
+ // If there are standalone comments and the initial newline has not
+ // been printed yet, do it now.
+ if !newlinePrinted {
+ newlinePrinted = true
+ buf.WriteByte(newline)
+ }
+
+ // add newline if it's between other printed nodes
+ if index > 0 {
+ commented = true
+ buf.WriteByte(newline)
+ }
+
+ // Store this position
+ lastCommentPos = comment.Pos()
+
+ // output the comment itself
+ buf.Write(p.indent(p.heredocIndent([]byte(comment.Text))))
+
+ // Set printed to true to note that we printed something
+ printed = true
+
+ /*
+ if index != len(o.List.Items) {
+ buf.WriteByte(newline) // do not print on the end
+ }
+ */
+ }
+ }
+
+ // Stuff to do if we had comments
+ if printed {
+ // Always write a newline
+ buf.WriteByte(newline)
+
+ // If there is another item in the object and our comment
+ // didn't hug it directly, then make sure there is a blank
+ // line separating them.
+ if nextItem != o.Rbrace && nextItem.Line != lastCommentPos.Line+1 {
+ buf.WriteByte(newline)
+ }
+ }
+ }
+
+ if index == len(o.List.Items) {
+ p.prev = o.Rbrace
+ break
+ }
+
+ // At this point we are sure that it's not a totally empty block: print
+ // the initial newline if it hasn't been printed yet by the previous
+ // block about standalone comments.
+ if !newlinePrinted {
+ buf.WriteByte(newline)
+ newlinePrinted = true
+ }
+
+ // check if we have adjacent one liner items. If yes we'll going to align
+ // the comments.
+ var aligned []*ast.ObjectItem
+ for _, item := range o.List.Items[index:] {
+ // we don't group one line lists
+ if len(o.List.Items) == 1 {
+ break
+ }
+
+ // one means a oneliner with out any lead comment
+ // two means a oneliner with lead comment
+ // anything else might be something else
+ cur := lines(string(p.objectItem(item)))
+ if cur > 2 {
+ break
+ }
+
+ curPos := item.Pos()
+
+ nextPos := token.Pos{}
+ if index != len(o.List.Items)-1 {
+ nextPos = o.List.Items[index+1].Pos()
+ }
+
+ prevPos := token.Pos{}
+ if index != 0 {
+ prevPos = o.List.Items[index-1].Pos()
+ }
+
+ // fmt.Println("DEBUG ----------------")
+ // fmt.Printf("prev = %+v prevPos: %s\n", prev, prevPos)
+ // fmt.Printf("cur = %+v curPos: %s\n", cur, curPos)
+ // fmt.Printf("next = %+v nextPos: %s\n", next, nextPos)
+
+ if curPos.Line+1 == nextPos.Line {
+ aligned = append(aligned, item)
+ index++
+ continue
+ }
+
+ if curPos.Line-1 == prevPos.Line {
+ aligned = append(aligned, item)
+ index++
+
+ // finish if we have a new line or comment next. This happens
+ // if the next item is not adjacent
+ if curPos.Line+1 != nextPos.Line {
+ break
+ }
+ continue
+ }
+
+ break
+ }
+
+ // put newlines if the items are between other non aligned items.
+ // newlines are also added if there is a standalone comment already, so
+ // check it too
+ if !commented && index != len(aligned) {
+ buf.WriteByte(newline)
+ }
+
+ if len(aligned) >= 1 {
+ p.prev = aligned[len(aligned)-1].Pos()
+
+ items := p.alignedItems(aligned)
+ buf.Write(p.indent(items))
+ } else {
+ p.prev = o.List.Items[index].Pos()
+
+ buf.Write(p.indent(p.objectItem(o.List.Items[index])))
+ index++
+ }
+
+ buf.WriteByte(newline)
+ }
+
+ buf.WriteString("}")
+ return buf.Bytes()
+}
+
+func (p *printer) alignedItems(items []*ast.ObjectItem) []byte {
+ var buf bytes.Buffer
+
+ // find the longest key and value length, needed for alignment
+ var longestKeyLen int // longest key length
+ var longestValLen int // longest value length
+ for _, item := range items {
+ key := len(item.Keys[0].Token.Text)
+ val := len(p.output(item.Val))
+
+ if key > longestKeyLen {
+ longestKeyLen = key
+ }
+
+ if val > longestValLen {
+ longestValLen = val
+ }
+ }
+
+ for i, item := range items {
+ if item.LeadComment != nil {
+ for _, comment := range item.LeadComment.List {
+ buf.WriteString(comment.Text)
+ buf.WriteByte(newline)
+ }
+ }
+
+ for i, k := range item.Keys {
+ keyLen := len(k.Token.Text)
+ buf.WriteString(k.Token.Text)
+ for i := 0; i < longestKeyLen-keyLen+1; i++ {
+ buf.WriteByte(blank)
+ }
+
+ // reach end of key
+ if i == len(item.Keys)-1 && len(item.Keys) == 1 {
+ buf.WriteString("=")
+ buf.WriteByte(blank)
+ }
+ }
+
+ val := p.output(item.Val)
+ valLen := len(val)
+ buf.Write(val)
+
+ if item.Val.Pos().Line == item.Keys[0].Pos().Line && item.LineComment != nil {
+ for i := 0; i < longestValLen-valLen+1; i++ {
+ buf.WriteByte(blank)
+ }
+
+ for _, comment := range item.LineComment.List {
+ buf.WriteString(comment.Text)
+ }
+ }
+
+ // do not print for the last item
+ if i != len(items)-1 {
+ buf.WriteByte(newline)
+ }
+ }
+
+ return buf.Bytes()
+}
+
+// list returns the printable HCL form of an list type.
+func (p *printer) list(l *ast.ListType) []byte {
+ var buf bytes.Buffer
+ buf.WriteString("[")
+
+ var longestLine int
+ for _, item := range l.List {
+ // for now we assume that the list only contains literal types
+ if lit, ok := item.(*ast.LiteralType); ok {
+ lineLen := len(lit.Token.Text)
+ if lineLen > longestLine {
+ longestLine = lineLen
+ }
+ }
+ }
+
+ insertSpaceBeforeItem := false
+ lastHadLeadComment := false
+ for i, item := range l.List {
+ // Keep track of whether this item is a heredoc since that has
+ // unique behavior.
+ heredoc := false
+ if lit, ok := item.(*ast.LiteralType); ok && lit.Token.Type == token.HEREDOC {
+ heredoc = true
+ }
+
+ if item.Pos().Line != l.Lbrack.Line {
+ // multiline list, add newline before we add each item
+ buf.WriteByte(newline)
+ insertSpaceBeforeItem = false
+
+ // If we have a lead comment, then we want to write that first
+ leadComment := false
+ if lit, ok := item.(*ast.LiteralType); ok && lit.LeadComment != nil {
+ leadComment = true
+
+ // If this isn't the first item and the previous element
+ // didn't have a lead comment, then we need to add an extra
+ // newline to properly space things out. If it did have a
+ // lead comment previously then this would be done
+ // automatically.
+ if i > 0 && !lastHadLeadComment {
+ buf.WriteByte(newline)
+ }
+
+ for _, comment := range lit.LeadComment.List {
+ buf.Write(p.indent([]byte(comment.Text)))
+ buf.WriteByte(newline)
+ }
+ }
+
+ // also indent each line
+ val := p.output(item)
+ curLen := len(val)
+ buf.Write(p.indent(val))
+
+ // if this item is a heredoc, then we output the comma on
+ // the next line. This is the only case this happens.
+ comma := []byte{','}
+ if heredoc {
+ buf.WriteByte(newline)
+ comma = p.indent(comma)
+ }
+
+ buf.Write(comma)
+
+ if lit, ok := item.(*ast.LiteralType); ok && lit.LineComment != nil {
+ // if the next item doesn't have any comments, do not align
+ buf.WriteByte(blank) // align one space
+ for i := 0; i < longestLine-curLen; i++ {
+ buf.WriteByte(blank)
+ }
+
+ for _, comment := range lit.LineComment.List {
+ buf.WriteString(comment.Text)
+ }
+ }
+
+ lastItem := i == len(l.List)-1
+ if lastItem {
+ buf.WriteByte(newline)
+ }
+
+ if leadComment && !lastItem {
+ buf.WriteByte(newline)
+ }
+
+ lastHadLeadComment = leadComment
+ } else {
+ if insertSpaceBeforeItem {
+ buf.WriteByte(blank)
+ insertSpaceBeforeItem = false
+ }
+
+ // Output the item itself
+ // also indent each line
+ val := p.output(item)
+ curLen := len(val)
+ buf.Write(val)
+
+ // If this is a heredoc item we always have to output a newline
+ // so that it parses properly.
+ if heredoc {
+ buf.WriteByte(newline)
+ }
+
+ // If this isn't the last element, write a comma.
+ if i != len(l.List)-1 {
+ buf.WriteString(",")
+ insertSpaceBeforeItem = true
+ }
+
+ if lit, ok := item.(*ast.LiteralType); ok && lit.LineComment != nil {
+ // if the next item doesn't have any comments, do not align
+ buf.WriteByte(blank) // align one space
+ for i := 0; i < longestLine-curLen; i++ {
+ buf.WriteByte(blank)
+ }
+
+ for _, comment := range lit.LineComment.List {
+ buf.WriteString(comment.Text)
+ }
+ }
+ }
+
+ }
+
+ buf.WriteString("]")
+ return buf.Bytes()
+}
+
+// indent indents the lines of the given buffer for each non-empty line
+func (p *printer) indent(buf []byte) []byte {
+ var prefix []byte
+ if p.cfg.SpacesWidth != 0 {
+ for i := 0; i < p.cfg.SpacesWidth; i++ {
+ prefix = append(prefix, blank)
+ }
+ } else {
+ prefix = []byte{tab}
+ }
+
+ var res []byte
+ bol := true
+ for _, c := range buf {
+ if bol && c != '\n' {
+ res = append(res, prefix...)
+ }
+
+ res = append(res, c)
+ bol = c == '\n'
+ }
+ return res
+}
+
+// unindent removes all the indentation from the tombstoned lines
+func (p *printer) unindent(buf []byte) []byte {
+ var res []byte
+ for i := 0; i < len(buf); i++ {
+ skip := len(buf)-i <= len(unindent)
+ if !skip {
+ skip = !bytes.Equal(unindent, buf[i:i+len(unindent)])
+ }
+ if skip {
+ res = append(res, buf[i])
+ continue
+ }
+
+ // We have a marker. we have to backtrace here and clean out
+ // any whitespace ahead of our tombstone up to a \n
+ for j := len(res) - 1; j >= 0; j-- {
+ if res[j] == '\n' {
+ break
+ }
+
+ res = res[:j]
+ }
+
+ // Skip the entire unindent marker
+ i += len(unindent) - 1
+ }
+
+ return res
+}
+
+// heredocIndent marks all the 2nd and further lines as unindentable
+func (p *printer) heredocIndent(buf []byte) []byte {
+ var res []byte
+ bol := false
+ for _, c := range buf {
+ if bol && c != '\n' {
+ res = append(res, unindent...)
+ }
+ res = append(res, c)
+ bol = c == '\n'
+ }
+ return res
+}
+
+// isSingleLineObject tells whether the given object item is a single
+// line object such as "obj {}".
+//
+// A single line object:
+//
+// * has no lead comments (hence multi-line)
+// * has no assignment
+// * has no values in the stanza (within {})
+//
+func (p *printer) isSingleLineObject(val *ast.ObjectItem) bool {
+ // If there is a lead comment, can't be one line
+ if val.LeadComment != nil {
+ return false
+ }
+
+ // If there is assignment, we always break by line
+ if val.Assign.IsValid() {
+ return false
+ }
+
+ // If it isn't an object type, then its not a single line object
+ ot, ok := val.Val.(*ast.ObjectType)
+ if !ok {
+ return false
+ }
+
+ // If the object has no items, it is single line!
+ return len(ot.List.Items) == 0
+}
+
+func lines(txt string) int {
+ endline := 1
+ for i := 0; i < len(txt); i++ {
+ if txt[i] == '\n' {
+ endline++
+ }
+ }
+ return endline
+}
+
+// ----------------------------------------------------------------------------
+// Tracing support
+
+func (p *printer) printTrace(a ...interface{}) {
+ if !p.enableTrace {
+ return
+ }
+
+ const dots = ". . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "
+ const n = len(dots)
+ i := 2 * p.indentTrace
+ for i > n {
+ fmt.Print(dots)
+ i -= n
+ }
+ // i <= n
+ fmt.Print(dots[0:i])
+ fmt.Println(a...)
+}
+
+func trace(p *printer, msg string) *printer {
+ p.printTrace(msg, "(")
+ p.indentTrace++
+ return p
+}
+
+// Usage pattern: defer un(trace(p, "..."))
+func un(p *printer) {
+ p.indentTrace--
+ p.printTrace(")")
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/printer.go b/vendor/github.com/hashicorp/hcl/hcl/printer/printer.go
new file mode 100644
index 000000000..a296fc851
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/printer.go
@@ -0,0 +1,67 @@
+// Package printer implements printing of AST nodes to HCL format.
+package printer
+
+import (
+ "bytes"
+ "io"
+ "text/tabwriter"
+
+ "github.com/hashicorp/hcl/hcl/ast"
+ "github.com/hashicorp/hcl/hcl/parser"
+)
+
+var DefaultConfig = Config{
+ SpacesWidth: 2,
+}
+
+// A Config node controls the output of Fprint.
+type Config struct {
+ SpacesWidth int // if set, it will use spaces instead of tabs for alignment
+}
+
+func (c *Config) Fprint(output io.Writer, node ast.Node) error {
+ p := &printer{
+ cfg: *c,
+ comments: make([]*ast.CommentGroup, 0),
+ standaloneComments: make([]*ast.CommentGroup, 0),
+ // enableTrace: true,
+ }
+
+ p.collectComments(node)
+
+ if _, err := output.Write(p.unindent(p.output(node))); err != nil {
+ return err
+ }
+
+ // flush tabwriter, if any
+ var err error
+ if tw, _ := output.(*tabwriter.Writer); tw != nil {
+ err = tw.Flush()
+ }
+
+ return err
+}
+
+// Fprint "pretty-prints" an HCL node to output
+// It calls Config.Fprint with default settings.
+func Fprint(output io.Writer, node ast.Node) error {
+ return DefaultConfig.Fprint(output, node)
+}
+
+// Format formats src HCL and returns the result.
+func Format(src []byte) ([]byte, error) {
+ node, err := parser.Parse(src)
+ if err != nil {
+ return nil, err
+ }
+
+ var buf bytes.Buffer
+ if err := DefaultConfig.Fprint(&buf, node); err != nil {
+ return nil, err
+ }
+
+ // Add trailing newline to result
+ buf.WriteString("\n")
+
+ return buf.Bytes(), nil
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/printer_test.go b/vendor/github.com/hashicorp/hcl/hcl/printer/printer_test.go
new file mode 100644
index 000000000..01ea3b2de
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/printer_test.go
@@ -0,0 +1,153 @@
+// +build !windows
+// TODO(jen20): These need fixing on Windows but printer is not used right now
+// and red CI is making it harder to process other bugs, so ignore until
+// we get around to fixing them.package printer
+
+package printer
+
+import (
+ "bytes"
+ "errors"
+ "flag"
+ "fmt"
+ "io/ioutil"
+ "path/filepath"
+ "testing"
+
+ "github.com/hashicorp/hcl/hcl/parser"
+)
+
+var update = flag.Bool("update", false, "update golden files")
+
+const (
+ dataDir = "testdata"
+)
+
+type entry struct {
+ source, golden string
+}
+
+// Use go test -update to create/update the respective golden files.
+var data = []entry{
+ {"complexhcl.input", "complexhcl.golden"},
+ {"list.input", "list.golden"},
+ {"list_comment.input", "list_comment.golden"},
+ {"comment.input", "comment.golden"},
+ {"comment_aligned.input", "comment_aligned.golden"},
+ {"comment_array.input", "comment_array.golden"},
+ {"comment_end_file.input", "comment_end_file.golden"},
+ {"comment_multiline_indent.input", "comment_multiline_indent.golden"},
+ {"comment_multiline_no_stanza.input", "comment_multiline_no_stanza.golden"},
+ {"comment_multiline_stanza.input", "comment_multiline_stanza.golden"},
+ {"comment_newline.input", "comment_newline.golden"},
+ {"comment_object_multi.input", "comment_object_multi.golden"},
+ {"comment_standalone.input", "comment_standalone.golden"},
+ {"empty_block.input", "empty_block.golden"},
+ {"list_of_objects.input", "list_of_objects.golden"},
+ {"multiline_string.input", "multiline_string.golden"},
+ {"object_singleline.input", "object_singleline.golden"},
+ {"object_with_heredoc.input", "object_with_heredoc.golden"},
+}
+
+func TestFiles(t *testing.T) {
+ for _, e := range data {
+ source := filepath.Join(dataDir, e.source)
+ golden := filepath.Join(dataDir, e.golden)
+ t.Run(e.source, func(t *testing.T) {
+ check(t, source, golden)
+ })
+ }
+}
+
+func check(t *testing.T, source, golden string) {
+ src, err := ioutil.ReadFile(source)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+
+ res, err := format(src)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+
+ // update golden files if necessary
+ if *update {
+ if err := ioutil.WriteFile(golden, res, 0644); err != nil {
+ t.Error(err)
+ }
+ return
+ }
+
+ // get golden
+ gld, err := ioutil.ReadFile(golden)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+
+ // formatted source and golden must be the same
+ if err := diff(source, golden, res, gld); err != nil {
+ t.Error(err)
+ return
+ }
+}
+
+// diff compares a and b.
+func diff(aname, bname string, a, b []byte) error {
+ var buf bytes.Buffer // holding long error message
+
+ // compare lengths
+ if len(a) != len(b) {
+ fmt.Fprintf(&buf, "\nlength changed: len(%s) = %d, len(%s) = %d", aname, len(a), bname, len(b))
+ }
+
+ // compare contents
+ line := 1
+ offs := 1
+ for i := 0; i < len(a) && i < len(b); i++ {
+ ch := a[i]
+ if ch != b[i] {
+ fmt.Fprintf(&buf, "\n%s:%d:%d: %s", aname, line, i-offs+1, lineAt(a, offs))
+ fmt.Fprintf(&buf, "\n%s:%d:%d: %s", bname, line, i-offs+1, lineAt(b, offs))
+ fmt.Fprintf(&buf, "\n\n")
+ break
+ }
+ if ch == '\n' {
+ line++
+ offs = i + 1
+ }
+ }
+
+ if buf.Len() > 0 {
+ return errors.New(buf.String())
+ }
+ return nil
+}
+
+// format parses src, prints the corresponding AST, verifies the resulting
+// src is syntactically correct, and returns the resulting src or an error
+// if any.
+func format(src []byte) ([]byte, error) {
+ formatted, err := Format(src)
+ if err != nil {
+ return nil, err
+ }
+
+ // make sure formatted output is syntactically correct
+ if _, err := parser.Parse(formatted); err != nil {
+ return nil, fmt.Errorf("parse: %s\n%s", err, formatted)
+ }
+
+ return formatted, nil
+}
+
+// lineAt returns the line in text starting at offset offs.
+func lineAt(text []byte, offs int) []byte {
+ i := offs
+ for i < len(text) && text[i] != '\n' {
+ i++
+ }
+ return text[offs:i]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.golden
new file mode 100644
index 000000000..9d4b072a0
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.golden
@@ -0,0 +1,36 @@
+// A standalone comment is a comment which is not attached to any kind of node
+
+// This comes from Terraform, as a test
+variable "foo" {
+ # Standalone comment should be still here
+
+ default = "bar"
+ description = "bar" # yooo
+}
+
+/* This is a multi line standalone
+comment*/
+
+// fatih arslan
+/* This is a developer test
+account and a multine comment */
+developer = ["fatih", "arslan"] // fatih arslan
+
+# One line here
+numbers = [1, 2] // another line here
+
+# Another comment
+variable = {
+ description = "bar" # another yooo
+
+ foo {
+ # Nested standalone
+
+ bar = "fatih"
+ }
+}
+
+// lead comment
+foo {
+ bar = "fatih" // line comment 2
+} // line comment 3
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.input
new file mode 100644
index 000000000..57c37ac1d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment.input
@@ -0,0 +1,37 @@
+// A standalone comment is a comment which is not attached to any kind of node
+
+ // This comes from Terraform, as a test
+variable "foo" {
+ # Standalone comment should be still here
+
+ default = "bar"
+ description = "bar" # yooo
+}
+
+/* This is a multi line standalone
+comment*/
+
+
+// fatih arslan
+/* This is a developer test
+account and a multine comment */
+developer = [ "fatih", "arslan"] // fatih arslan
+
+# One line here
+numbers = [1,2] // another line here
+
+ # Another comment
+variable = {
+ description = "bar" # another yooo
+ foo {
+ # Nested standalone
+
+ bar = "fatih"
+ }
+}
+
+ // lead comment
+foo {
+ bar = "fatih" // line comment 2
+} // line comment 3
+
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.golden
new file mode 100644
index 000000000..6ff21504c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.golden
@@ -0,0 +1,32 @@
+aligned {
+ # We have some aligned items below
+ foo = "fatih" # yoo1
+ default = "bar" # yoo2
+ bar = "bar and foo" # yoo3
+
+ default = {
+ bar = "example"
+ }
+
+ #deneme arslan
+ fatih = ["fatih"] # yoo4
+
+ #fatih arslan
+ fatiharslan = ["arslan"] // yoo5
+
+ default = {
+ bar = "example"
+ }
+
+ security_groups = [
+ "foo", # kenya 1
+ "${aws_security_group.firewall.foo}", # kenya 2
+ ]
+
+ security_groups2 = [
+ "foo", # kenya 1
+ "bar", # kenya 1.5
+ "${aws_security_group.firewall.foo}", # kenya 2
+ "foobar", # kenya 3
+ ]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.input
new file mode 100644
index 000000000..bd43ab1ad
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_aligned.input
@@ -0,0 +1,28 @@
+aligned {
+# We have some aligned items below
+ foo = "fatih" # yoo1
+ default = "bar" # yoo2
+ bar = "bar and foo" # yoo3
+ default = {
+ bar = "example"
+ }
+ #deneme arslan
+ fatih = ["fatih"] # yoo4
+ #fatih arslan
+ fatiharslan = ["arslan"] // yoo5
+ default = {
+ bar = "example"
+ }
+
+security_groups = [
+ "foo", # kenya 1
+ "${aws_security_group.firewall.foo}", # kenya 2
+]
+
+security_groups2 = [
+ "foo", # kenya 1
+ "bar", # kenya 1.5
+ "${aws_security_group.firewall.foo}", # kenya 2
+ "foobar", # kenya 3
+]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.golden
new file mode 100644
index 000000000..e778eafa3
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.golden
@@ -0,0 +1,13 @@
+banana = [
+ # I really want to comment this item in the array.
+ "a",
+
+ # This as well
+ "b",
+
+ "c", # And C
+ "d",
+
+ # And another
+ "e",
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.input
new file mode 100644
index 000000000..e778eafa3
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_array.input
@@ -0,0 +1,13 @@
+banana = [
+ # I really want to comment this item in the array.
+ "a",
+
+ # This as well
+ "b",
+
+ "c", # And C
+ "d",
+
+ # And another
+ "e",
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.golden
new file mode 100644
index 000000000..dbeae36a8
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.golden
@@ -0,0 +1,6 @@
+resource "blah" "blah" {}
+
+//
+//
+//
+
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.input
new file mode 100644
index 000000000..68c4c282e
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_end_file.input
@@ -0,0 +1,5 @@
+resource "blah" "blah" {}
+
+//
+//
+//
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.golden
new file mode 100644
index 000000000..74c4ccd89
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.golden
@@ -0,0 +1,12 @@
+resource "provider" "resource" {
+ /*
+ SPACE_SENSITIVE_CODE = <<EOF
+yaml code:
+ foo: ""
+ bar: ""
+EOF
+ */
+ /*
+ OTHER
+ */
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.input
new file mode 100644
index 000000000..b07ac4d3c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_indent.input
@@ -0,0 +1,13 @@
+resource "provider" "resource" {
+ /*
+ SPACE_SENSITIVE_CODE = <<EOF
+yaml code:
+ foo: ""
+ bar: ""
+EOF
+ */
+
+ /*
+ OTHER
+ */
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.golden
new file mode 100644
index 000000000..7ad7ca296
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.golden
@@ -0,0 +1,7 @@
+# This is a multiline comment
+# That has values like this:
+#
+# ami-abcd1234
+#
+# Do not delete this comment
+
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.input
new file mode 100644
index 000000000..8b818e91d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_no_stanza.input
@@ -0,0 +1,6 @@
+# This is a multiline comment
+# That has values like this:
+#
+# ami-abcd1234
+#
+# Do not delete this comment
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.golden
new file mode 100644
index 000000000..e9db4f2ae
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.golden
@@ -0,0 +1,10 @@
+# This is a multiline comment
+# That has values like this:
+#
+# ami-abcd1234
+#
+# Do not delete this comment
+
+resource "aws_instance" "web" {
+ ami_id = "ami-abcd1234"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.input
new file mode 100644
index 000000000..6a8b90230
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_multiline_stanza.input
@@ -0,0 +1,10 @@
+# This is a multiline comment
+# That has values like this:
+#
+# ami-abcd1234
+#
+# Do not delete this comment
+
+resource "aws_instance" "web" {
+ami_id = "ami-abcd1234"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.golden
new file mode 100644
index 000000000..2162c8845
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.golden
@@ -0,0 +1,3 @@
+# Hello
+# World
+
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.input
new file mode 100644
index 000000000..aa56a9880
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_newline.input
@@ -0,0 +1,2 @@
+# Hello
+# World
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.golden
new file mode 100644
index 000000000..4c0f0004a
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.golden
@@ -0,0 +1,9 @@
+variable "environment" {
+ default = {}
+
+ # default {
+ # "region" = "us-west-2"
+ # "sg" = "playground"
+ # "env" = "prod"
+ # }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.input
new file mode 100644
index 000000000..4c0f0004a
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_object_multi.input
@@ -0,0 +1,9 @@
+variable "environment" {
+ default = {}
+
+ # default {
+ # "region" = "us-west-2"
+ # "sg" = "playground"
+ # "env" = "prod"
+ # }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.golden
new file mode 100644
index 000000000..3236d9e69
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.golden
@@ -0,0 +1,17 @@
+// A standalone comment
+
+aligned {
+ # Standalone 1
+
+ a = "bar" # yoo1
+ default = "bar" # yoo2
+
+ # Standalone 2
+}
+
+# Standalone 3
+
+numbers = [1, 2] // another line here
+
+# Standalone 4
+
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.input
new file mode 100644
index 000000000..4436cb16c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/comment_standalone.input
@@ -0,0 +1,16 @@
+// A standalone comment
+
+aligned {
+ # Standalone 1
+
+ a = "bar" # yoo1
+ default = "bar" # yoo2
+
+ # Standalone 2
+}
+
+ # Standalone 3
+
+numbers = [1,2] // another line here
+
+ # Standalone 4
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.golden
new file mode 100644
index 000000000..198c32d28
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.golden
@@ -0,0 +1,54 @@
+variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+
+developer = ["fatih", "arslan"]
+
+provider "aws" {
+ access_key = "foo"
+ secret_key = "bar"
+}
+
+provider "do" {
+ api_key = "${var.foo}"
+}
+
+resource "aws_security_group" "firewall" {
+ count = 5
+}
+
+resource aws_instance "web" {
+ ami = "${var.foo}"
+
+ security_groups = [
+ "foo",
+ "${aws_security_group.firewall.foo}",
+ ]
+
+ network_interface {
+ device_index = 0
+ description = "Main network interface"
+ }
+
+ network_interface = {
+ device_index = 1
+
+ description = <<EOF
+ANOTHER NETWORK INTERFACE
+EOF
+ }
+}
+
+resource "aws_instance" "db" {
+ security_groups = "${aws_security_group.firewall.*.id}"
+ VPC = "foo"
+
+ depends_on = ["aws_instance.web"]
+}
+
+output "web_ip" {
+ value = <<EOF
+TUBES
+EOF
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.input
new file mode 100644
index 000000000..712341840
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/complexhcl.input
@@ -0,0 +1,53 @@
+variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+
+developer = [ "fatih", "arslan"]
+
+provider "aws" {
+ access_key ="foo"
+ secret_key = "bar"
+}
+
+ provider "do" {
+ api_key = "${var.foo}"
+}
+
+resource "aws_security_group" "firewall" {
+ count = 5
+ }
+
+ resource aws_instance "web" {
+ ami = "${var.foo}"
+ security_groups = [
+ "foo",
+ "${aws_security_group.firewall.foo}"
+ ]
+
+ network_interface {
+ device_index = 0
+ description = "Main network interface"
+ }
+
+ network_interface = {
+ device_index = 1
+ description = <<EOF
+ANOTHER NETWORK INTERFACE
+EOF
+ }
+ }
+
+resource "aws_instance" "db" {
+ security_groups = "${aws_security_group.firewall.*.id}"
+ VPC = "foo"
+
+ depends_on = ["aws_instance.web"]
+}
+
+output "web_ip" {
+
+ value=<<EOF
+TUBES
+EOF
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.golden
new file mode 100644
index 000000000..4ff1cb3e4
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.golden
@@ -0,0 +1,12 @@
+variable "foo" {}
+variable "foo" {}
+
+variable "foo" {
+ # Standalone comment should be still here
+}
+
+foo {}
+
+foo {
+ bar = "mssola"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.input
new file mode 100644
index 000000000..627bf3e3f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/empty_block.input
@@ -0,0 +1,14 @@
+variable "foo" {}
+variable "foo" {
+}
+
+variable "foo" {
+ # Standalone comment should be still here
+}
+
+foo {
+}
+
+foo {
+ bar = "mssola"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.golden
new file mode 100644
index 000000000..14c37ac0f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.golden
@@ -0,0 +1,43 @@
+foo = ["fatih", "arslan"]
+
+foo = ["bar", "qaz"]
+
+foo = ["zeynep",
+ "arslan",
+]
+
+foo = ["fatih", "zeynep",
+ "arslan",
+]
+
+foo = [
+ "vim-go",
+ "golang",
+ "hcl",
+]
+
+foo = []
+
+foo = [1, 2, 3, 4]
+
+foo = [
+ "kenya",
+ "ethiopia",
+ "columbia",
+]
+
+foo = [
+ <<EOS
+one
+EOS
+ ,
+ <<EOS
+two
+EOS
+ ,
+]
+
+foo = [<<EOS
+one
+EOS
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.input
new file mode 100644
index 000000000..f55a38200
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list.input
@@ -0,0 +1,37 @@
+foo = ["fatih", "arslan" ]
+
+foo = [ "bar", "qaz", ]
+
+foo = [ "zeynep",
+"arslan", ]
+
+foo = ["fatih", "zeynep",
+"arslan", ]
+
+foo = [
+ "vim-go",
+ "golang", "hcl"]
+
+foo = []
+
+foo = [1, 2,3, 4]
+
+foo = [
+ "kenya", "ethiopia",
+ "columbia"]
+
+foo = [
+ <<EOS
+one
+EOS
+,
+ <<EOS
+two
+EOS
+,
+ ]
+
+foo = [<<EOS
+one
+EOS
+ ]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.golden
new file mode 100644
index 000000000..e5753c91a
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.golden
@@ -0,0 +1,7 @@
+foo = [1, # Hello
+ 2,
+]
+
+foo = [1, # Hello
+ 2, # World
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.input
new file mode 100644
index 000000000..1d636c88d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_comment.input
@@ -0,0 +1,6 @@
+foo = [1, # Hello
+2]
+
+foo = [1, # Hello
+2, # World
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.golden
new file mode 100644
index 000000000..401ded6ef
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.golden
@@ -0,0 +1,10 @@
+list_of_objects = [
+ {
+ key1 = "value1"
+ key2 = "value2"
+ },
+ {
+ key3 = "value3"
+ key4 = "value4"
+ },
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.input
new file mode 100644
index 000000000..f2adcf015
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/list_of_objects.input
@@ -0,0 +1,10 @@
+list_of_objects = [
+ {
+ key1 = "value1"
+ key2 = "value2"
+ },
+ {
+ key3 = "value3"
+ key4 = "value4"
+ }
+] \ No newline at end of file
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.golden
new file mode 100644
index 000000000..3d10c741d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.golden
@@ -0,0 +1,7 @@
+resource "null_resource" "some_command" {
+ provisioner "local-exec" {
+ command = "${echo '
+some newlines
+and additonal output'}"
+ }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.input
new file mode 100644
index 000000000..3d10c741d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/multiline_string.input
@@ -0,0 +1,7 @@
+resource "null_resource" "some_command" {
+ provisioner "local-exec" {
+ command = "${echo '
+some newlines
+and additonal output'}"
+ }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.golden
new file mode 100644
index 000000000..c3d914702
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.golden
@@ -0,0 +1,26 @@
+variable "foo" {}
+variable "bar" {}
+variable "baz" {}
+
+variable "qux" {}
+
+variable "foo" {
+ foo = "bar"
+}
+
+variable "foo" {}
+
+# lead comment
+variable "bar" {}
+
+variable "foo" {
+ default = "bar"
+}
+
+variable "bar" {}
+
+# Purposeful newline check below:
+
+variable "foo" {}
+
+variable "purposeful-newline" {}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.input
new file mode 100644
index 000000000..7b34834a4
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_singleline.input
@@ -0,0 +1,19 @@
+variable "foo" {}
+variable "bar" {}
+variable "baz" {}
+
+variable "qux" {}
+variable "foo" { foo = "bar" }
+
+variable "foo" {}
+# lead comment
+variable "bar" {}
+
+variable "foo" { default = "bar" }
+variable "bar" {}
+
+# Purposeful newline check below:
+
+variable "foo" {}
+
+variable "purposeful-newline" {}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.golden b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.golden
new file mode 100644
index 000000000..7e92243f6
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.golden
@@ -0,0 +1,6 @@
+obj {
+ foo = [<<EOF
+ TEXT!
+EOF
+ ]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.input b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.input
new file mode 100644
index 000000000..d70a05ac9
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/printer/testdata/object_with_heredoc.input
@@ -0,0 +1,6 @@
+obj {
+ foo = [<<EOF
+ TEXT!
+EOF
+ ]
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go b/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go
new file mode 100644
index 000000000..69662367f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner.go
@@ -0,0 +1,651 @@
+// Package scanner implements a scanner for HCL (HashiCorp Configuration
+// Language) source text.
+package scanner
+
+import (
+ "bytes"
+ "fmt"
+ "os"
+ "regexp"
+ "unicode"
+ "unicode/utf8"
+
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+// eof represents a marker rune for the end of the reader.
+const eof = rune(0)
+
+// Scanner defines a lexical scanner
+type Scanner struct {
+ buf *bytes.Buffer // Source buffer for advancing and scanning
+ src []byte // Source buffer for immutable access
+
+ // Source Position
+ srcPos token.Pos // current position
+ prevPos token.Pos // previous position, used for peek() method
+
+ lastCharLen int // length of last character in bytes
+ lastLineLen int // length of last line in characters (for correct column reporting)
+
+ tokStart int // token text start position
+ tokEnd int // token text end position
+
+ // Error is called for each error encountered. If no Error
+ // function is set, the error is reported to os.Stderr.
+ Error func(pos token.Pos, msg string)
+
+ // ErrorCount is incremented by one for each error encountered.
+ ErrorCount int
+
+ // tokPos is the start position of most recently scanned token; set by
+ // Scan. The Filename field is always left untouched by the Scanner. If
+ // an error is reported (via Error) and Position is invalid, the scanner is
+ // not inside a token.
+ tokPos token.Pos
+}
+
+// New creates and initializes a new instance of Scanner using src as
+// its source content.
+func New(src []byte) *Scanner {
+ // even though we accept a src, we read from a io.Reader compatible type
+ // (*bytes.Buffer). So in the future we might easily change it to streaming
+ // read.
+ b := bytes.NewBuffer(src)
+ s := &Scanner{
+ buf: b,
+ src: src,
+ }
+
+ // srcPosition always starts with 1
+ s.srcPos.Line = 1
+ return s
+}
+
+// next reads the next rune from the bufferred reader. Returns the rune(0) if
+// an error occurs (or io.EOF is returned).
+func (s *Scanner) next() rune {
+ ch, size, err := s.buf.ReadRune()
+ if err != nil {
+ // advance for error reporting
+ s.srcPos.Column++
+ s.srcPos.Offset += size
+ s.lastCharLen = size
+ return eof
+ }
+
+ if ch == utf8.RuneError && size == 1 {
+ s.srcPos.Column++
+ s.srcPos.Offset += size
+ s.lastCharLen = size
+ s.err("illegal UTF-8 encoding")
+ return ch
+ }
+
+ // remember last position
+ s.prevPos = s.srcPos
+
+ s.srcPos.Column++
+ s.lastCharLen = size
+ s.srcPos.Offset += size
+
+ if ch == '\n' {
+ s.srcPos.Line++
+ s.lastLineLen = s.srcPos.Column
+ s.srcPos.Column = 0
+ }
+
+ // If we see a null character with data left, then that is an error
+ if ch == '\x00' && s.buf.Len() > 0 {
+ s.err("unexpected null character (0x00)")
+ return eof
+ }
+
+ // debug
+ // fmt.Printf("ch: %q, offset:column: %d:%d\n", ch, s.srcPos.Offset, s.srcPos.Column)
+ return ch
+}
+
+// unread unreads the previous read Rune and updates the source position
+func (s *Scanner) unread() {
+ if err := s.buf.UnreadRune(); err != nil {
+ panic(err) // this is user fault, we should catch it
+ }
+ s.srcPos = s.prevPos // put back last position
+}
+
+// peek returns the next rune without advancing the reader.
+func (s *Scanner) peek() rune {
+ peek, _, err := s.buf.ReadRune()
+ if err != nil {
+ return eof
+ }
+
+ s.buf.UnreadRune()
+ return peek
+}
+
+// Scan scans the next token and returns the token.
+func (s *Scanner) Scan() token.Token {
+ ch := s.next()
+
+ // skip white space
+ for isWhitespace(ch) {
+ ch = s.next()
+ }
+
+ var tok token.Type
+
+ // token text markings
+ s.tokStart = s.srcPos.Offset - s.lastCharLen
+
+ // token position, initial next() is moving the offset by one(size of rune
+ // actually), though we are interested with the starting point
+ s.tokPos.Offset = s.srcPos.Offset - s.lastCharLen
+ if s.srcPos.Column > 0 {
+ // common case: last character was not a '\n'
+ s.tokPos.Line = s.srcPos.Line
+ s.tokPos.Column = s.srcPos.Column
+ } else {
+ // last character was a '\n'
+ // (we cannot be at the beginning of the source
+ // since we have called next() at least once)
+ s.tokPos.Line = s.srcPos.Line - 1
+ s.tokPos.Column = s.lastLineLen
+ }
+
+ switch {
+ case isLetter(ch):
+ tok = token.IDENT
+ lit := s.scanIdentifier()
+ if lit == "true" || lit == "false" {
+ tok = token.BOOL
+ }
+ case isDecimal(ch):
+ tok = s.scanNumber(ch)
+ default:
+ switch ch {
+ case eof:
+ tok = token.EOF
+ case '"':
+ tok = token.STRING
+ s.scanString()
+ case '#', '/':
+ tok = token.COMMENT
+ s.scanComment(ch)
+ case '.':
+ tok = token.PERIOD
+ ch = s.peek()
+ if isDecimal(ch) {
+ tok = token.FLOAT
+ ch = s.scanMantissa(ch)
+ ch = s.scanExponent(ch)
+ }
+ case '<':
+ tok = token.HEREDOC
+ s.scanHeredoc()
+ case '[':
+ tok = token.LBRACK
+ case ']':
+ tok = token.RBRACK
+ case '{':
+ tok = token.LBRACE
+ case '}':
+ tok = token.RBRACE
+ case ',':
+ tok = token.COMMA
+ case '=':
+ tok = token.ASSIGN
+ case '+':
+ tok = token.ADD
+ case '-':
+ if isDecimal(s.peek()) {
+ ch := s.next()
+ tok = s.scanNumber(ch)
+ } else {
+ tok = token.SUB
+ }
+ default:
+ s.err("illegal char")
+ }
+ }
+
+ // finish token ending
+ s.tokEnd = s.srcPos.Offset
+
+ // create token literal
+ var tokenText string
+ if s.tokStart >= 0 {
+ tokenText = string(s.src[s.tokStart:s.tokEnd])
+ }
+ s.tokStart = s.tokEnd // ensure idempotency of tokenText() call
+
+ return token.Token{
+ Type: tok,
+ Pos: s.tokPos,
+ Text: tokenText,
+ }
+}
+
+func (s *Scanner) scanComment(ch rune) {
+ // single line comments
+ if ch == '#' || (ch == '/' && s.peek() != '*') {
+ if ch == '/' && s.peek() != '/' {
+ s.err("expected '/' for comment")
+ return
+ }
+
+ ch = s.next()
+ for ch != '\n' && ch >= 0 && ch != eof {
+ ch = s.next()
+ }
+ if ch != eof && ch >= 0 {
+ s.unread()
+ }
+ return
+ }
+
+ // be sure we get the character after /* This allows us to find comment's
+ // that are not erminated
+ if ch == '/' {
+ s.next()
+ ch = s.next() // read character after "/*"
+ }
+
+ // look for /* - style comments
+ for {
+ if ch < 0 || ch == eof {
+ s.err("comment not terminated")
+ break
+ }
+
+ ch0 := ch
+ ch = s.next()
+ if ch0 == '*' && ch == '/' {
+ break
+ }
+ }
+}
+
+// scanNumber scans a HCL number definition starting with the given rune
+func (s *Scanner) scanNumber(ch rune) token.Type {
+ if ch == '0' {
+ // check for hexadecimal, octal or float
+ ch = s.next()
+ if ch == 'x' || ch == 'X' {
+ // hexadecimal
+ ch = s.next()
+ found := false
+ for isHexadecimal(ch) {
+ ch = s.next()
+ found = true
+ }
+
+ if !found {
+ s.err("illegal hexadecimal number")
+ }
+
+ if ch != eof {
+ s.unread()
+ }
+
+ return token.NUMBER
+ }
+
+ // now it's either something like: 0421(octal) or 0.1231(float)
+ illegalOctal := false
+ for isDecimal(ch) {
+ ch = s.next()
+ if ch == '8' || ch == '9' {
+ // this is just a possibility. For example 0159 is illegal, but
+ // 0159.23 is valid. So we mark a possible illegal octal. If
+ // the next character is not a period, we'll print the error.
+ illegalOctal = true
+ }
+ }
+
+ if ch == 'e' || ch == 'E' {
+ ch = s.scanExponent(ch)
+ return token.FLOAT
+ }
+
+ if ch == '.' {
+ ch = s.scanFraction(ch)
+
+ if ch == 'e' || ch == 'E' {
+ ch = s.next()
+ ch = s.scanExponent(ch)
+ }
+ return token.FLOAT
+ }
+
+ if illegalOctal {
+ s.err("illegal octal number")
+ }
+
+ if ch != eof {
+ s.unread()
+ }
+ return token.NUMBER
+ }
+
+ s.scanMantissa(ch)
+ ch = s.next() // seek forward
+ if ch == 'e' || ch == 'E' {
+ ch = s.scanExponent(ch)
+ return token.FLOAT
+ }
+
+ if ch == '.' {
+ ch = s.scanFraction(ch)
+ if ch == 'e' || ch == 'E' {
+ ch = s.next()
+ ch = s.scanExponent(ch)
+ }
+ return token.FLOAT
+ }
+
+ if ch != eof {
+ s.unread()
+ }
+ return token.NUMBER
+}
+
+// scanMantissa scans the mantissa begining from the rune. It returns the next
+// non decimal rune. It's used to determine wheter it's a fraction or exponent.
+func (s *Scanner) scanMantissa(ch rune) rune {
+ scanned := false
+ for isDecimal(ch) {
+ ch = s.next()
+ scanned = true
+ }
+
+ if scanned && ch != eof {
+ s.unread()
+ }
+ return ch
+}
+
+// scanFraction scans the fraction after the '.' rune
+func (s *Scanner) scanFraction(ch rune) rune {
+ if ch == '.' {
+ ch = s.peek() // we peek just to see if we can move forward
+ ch = s.scanMantissa(ch)
+ }
+ return ch
+}
+
+// scanExponent scans the remaining parts of an exponent after the 'e' or 'E'
+// rune.
+func (s *Scanner) scanExponent(ch rune) rune {
+ if ch == 'e' || ch == 'E' {
+ ch = s.next()
+ if ch == '-' || ch == '+' {
+ ch = s.next()
+ }
+ ch = s.scanMantissa(ch)
+ }
+ return ch
+}
+
+// scanHeredoc scans a heredoc string
+func (s *Scanner) scanHeredoc() {
+ // Scan the second '<' in example: '<<EOF'
+ if s.next() != '<' {
+ s.err("heredoc expected second '<', didn't see it")
+ return
+ }
+
+ // Get the original offset so we can read just the heredoc ident
+ offs := s.srcPos.Offset
+
+ // Scan the identifier
+ ch := s.next()
+
+ // Indented heredoc syntax
+ if ch == '-' {
+ ch = s.next()
+ }
+
+ for isLetter(ch) || isDigit(ch) {
+ ch = s.next()
+ }
+
+ // If we reached an EOF then that is not good
+ if ch == eof {
+ s.err("heredoc not terminated")
+ return
+ }
+
+ // Ignore the '\r' in Windows line endings
+ if ch == '\r' {
+ if s.peek() == '\n' {
+ ch = s.next()
+ }
+ }
+
+ // If we didn't reach a newline then that is also not good
+ if ch != '\n' {
+ s.err("invalid characters in heredoc anchor")
+ return
+ }
+
+ // Read the identifier
+ identBytes := s.src[offs : s.srcPos.Offset-s.lastCharLen]
+ if len(identBytes) == 0 {
+ s.err("zero-length heredoc anchor")
+ return
+ }
+
+ var identRegexp *regexp.Regexp
+ if identBytes[0] == '-' {
+ identRegexp = regexp.MustCompile(fmt.Sprintf(`[[:space:]]*%s\z`, identBytes[1:]))
+ } else {
+ identRegexp = regexp.MustCompile(fmt.Sprintf(`[[:space:]]*%s\z`, identBytes))
+ }
+
+ // Read the actual string value
+ lineStart := s.srcPos.Offset
+ for {
+ ch := s.next()
+
+ // Special newline handling.
+ if ch == '\n' {
+ // Math is fast, so we first compare the byte counts to see if we have a chance
+ // of seeing the same identifier - if the length is less than the number of bytes
+ // in the identifier, this cannot be a valid terminator.
+ lineBytesLen := s.srcPos.Offset - s.lastCharLen - lineStart
+ if lineBytesLen >= len(identBytes) && identRegexp.Match(s.src[lineStart:s.srcPos.Offset-s.lastCharLen]) {
+ break
+ }
+
+ // Not an anchor match, record the start of a new line
+ lineStart = s.srcPos.Offset
+ }
+
+ if ch == eof {
+ s.err("heredoc not terminated")
+ return
+ }
+ }
+
+ return
+}
+
+// scanString scans a quoted string
+func (s *Scanner) scanString() {
+ braces := 0
+ for {
+ // '"' opening already consumed
+ // read character after quote
+ ch := s.next()
+
+ if (ch == '\n' && braces == 0) || ch < 0 || ch == eof {
+ s.err("literal not terminated")
+ return
+ }
+
+ if ch == '"' && braces == 0 {
+ break
+ }
+
+ // If we're going into a ${} then we can ignore quotes for awhile
+ if braces == 0 && ch == '$' && s.peek() == '{' {
+ braces++
+ s.next()
+ } else if braces > 0 && ch == '{' {
+ braces++
+ }
+ if braces > 0 && ch == '}' {
+ braces--
+ }
+
+ if ch == '\\' {
+ s.scanEscape()
+ }
+ }
+
+ return
+}
+
+// scanEscape scans an escape sequence
+func (s *Scanner) scanEscape() rune {
+ // http://en.cppreference.com/w/cpp/language/escape
+ ch := s.next() // read character after '/'
+ switch ch {
+ case 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', '"':
+ // nothing to do
+ case '0', '1', '2', '3', '4', '5', '6', '7':
+ // octal notation
+ ch = s.scanDigits(ch, 8, 3)
+ case 'x':
+ // hexademical notation
+ ch = s.scanDigits(s.next(), 16, 2)
+ case 'u':
+ // universal character name
+ ch = s.scanDigits(s.next(), 16, 4)
+ case 'U':
+ // universal character name
+ ch = s.scanDigits(s.next(), 16, 8)
+ default:
+ s.err("illegal char escape")
+ }
+ return ch
+}
+
+// scanDigits scans a rune with the given base for n times. For example an
+// octal notation \184 would yield in scanDigits(ch, 8, 3)
+func (s *Scanner) scanDigits(ch rune, base, n int) rune {
+ start := n
+ for n > 0 && digitVal(ch) < base {
+ ch = s.next()
+ if ch == eof {
+ // If we see an EOF, we halt any more scanning of digits
+ // immediately.
+ break
+ }
+
+ n--
+ }
+ if n > 0 {
+ s.err("illegal char escape")
+ }
+
+ if n != start {
+ // we scanned all digits, put the last non digit char back,
+ // only if we read anything at all
+ s.unread()
+ }
+
+ return ch
+}
+
+// scanIdentifier scans an identifier and returns the literal string
+func (s *Scanner) scanIdentifier() string {
+ offs := s.srcPos.Offset - s.lastCharLen
+ ch := s.next()
+ for isLetter(ch) || isDigit(ch) || ch == '-' || ch == '.' {
+ ch = s.next()
+ }
+
+ if ch != eof {
+ s.unread() // we got identifier, put back latest char
+ }
+
+ return string(s.src[offs:s.srcPos.Offset])
+}
+
+// recentPosition returns the position of the character immediately after the
+// character or token returned by the last call to Scan.
+func (s *Scanner) recentPosition() (pos token.Pos) {
+ pos.Offset = s.srcPos.Offset - s.lastCharLen
+ switch {
+ case s.srcPos.Column > 0:
+ // common case: last character was not a '\n'
+ pos.Line = s.srcPos.Line
+ pos.Column = s.srcPos.Column
+ case s.lastLineLen > 0:
+ // last character was a '\n'
+ // (we cannot be at the beginning of the source
+ // since we have called next() at least once)
+ pos.Line = s.srcPos.Line - 1
+ pos.Column = s.lastLineLen
+ default:
+ // at the beginning of the source
+ pos.Line = 1
+ pos.Column = 1
+ }
+ return
+}
+
+// err prints the error of any scanning to s.Error function. If the function is
+// not defined, by default it prints them to os.Stderr
+func (s *Scanner) err(msg string) {
+ s.ErrorCount++
+ pos := s.recentPosition()
+
+ if s.Error != nil {
+ s.Error(pos, msg)
+ return
+ }
+
+ fmt.Fprintf(os.Stderr, "%s: %s\n", pos, msg)
+}
+
+// isHexadecimal returns true if the given rune is a letter
+func isLetter(ch rune) bool {
+ return 'a' <= ch && ch <= 'z' || 'A' <= ch && ch <= 'Z' || ch == '_' || ch >= 0x80 && unicode.IsLetter(ch)
+}
+
+// isDigit returns true if the given rune is a decimal digit
+func isDigit(ch rune) bool {
+ return '0' <= ch && ch <= '9' || ch >= 0x80 && unicode.IsDigit(ch)
+}
+
+// isDecimal returns true if the given rune is a decimal number
+func isDecimal(ch rune) bool {
+ return '0' <= ch && ch <= '9'
+}
+
+// isHexadecimal returns true if the given rune is an hexadecimal number
+func isHexadecimal(ch rune) bool {
+ return '0' <= ch && ch <= '9' || 'a' <= ch && ch <= 'f' || 'A' <= ch && ch <= 'F'
+}
+
+// isWhitespace returns true if the rune is a space, tab, newline or carriage return
+func isWhitespace(ch rune) bool {
+ return ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'
+}
+
+// digitVal returns the integer value of a given octal,decimal or hexadecimal rune
+func digitVal(ch rune) int {
+ switch {
+ case '0' <= ch && ch <= '9':
+ return int(ch - '0')
+ case 'a' <= ch && ch <= 'f':
+ return int(ch - 'a' + 10)
+ case 'A' <= ch && ch <= 'F':
+ return int(ch - 'A' + 10)
+ }
+ return 16 // larger than any legal digit val
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner_test.go b/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner_test.go
new file mode 100644
index 000000000..4f2c9cbe0
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/scanner/scanner_test.go
@@ -0,0 +1,591 @@
+package scanner
+
+import (
+ "bytes"
+ "fmt"
+ "testing"
+
+ "strings"
+
+ "github.com/hashicorp/hcl/hcl/token"
+)
+
+var f100 = strings.Repeat("f", 100)
+
+type tokenPair struct {
+ tok token.Type
+ text string
+}
+
+var tokenLists = map[string][]tokenPair{
+ "comment": []tokenPair{
+ {token.COMMENT, "//"},
+ {token.COMMENT, "////"},
+ {token.COMMENT, "// comment"},
+ {token.COMMENT, "// /* comment */"},
+ {token.COMMENT, "// // comment //"},
+ {token.COMMENT, "//" + f100},
+ {token.COMMENT, "#"},
+ {token.COMMENT, "##"},
+ {token.COMMENT, "# comment"},
+ {token.COMMENT, "# /* comment */"},
+ {token.COMMENT, "# # comment #"},
+ {token.COMMENT, "#" + f100},
+ {token.COMMENT, "/**/"},
+ {token.COMMENT, "/***/"},
+ {token.COMMENT, "/* comment */"},
+ {token.COMMENT, "/* // comment */"},
+ {token.COMMENT, "/* /* comment */"},
+ {token.COMMENT, "/*\n comment\n*/"},
+ {token.COMMENT, "/*" + f100 + "*/"},
+ },
+ "operator": []tokenPair{
+ {token.LBRACK, "["},
+ {token.LBRACE, "{"},
+ {token.COMMA, ","},
+ {token.PERIOD, "."},
+ {token.RBRACK, "]"},
+ {token.RBRACE, "}"},
+ {token.ASSIGN, "="},
+ {token.ADD, "+"},
+ {token.SUB, "-"},
+ },
+ "bool": []tokenPair{
+ {token.BOOL, "true"},
+ {token.BOOL, "false"},
+ },
+ "ident": []tokenPair{
+ {token.IDENT, "a"},
+ {token.IDENT, "a0"},
+ {token.IDENT, "foobar"},
+ {token.IDENT, "foo-bar"},
+ {token.IDENT, "abc123"},
+ {token.IDENT, "LGTM"},
+ {token.IDENT, "_"},
+ {token.IDENT, "_abc123"},
+ {token.IDENT, "abc123_"},
+ {token.IDENT, "_abc_123_"},
+ {token.IDENT, "_äöü"},
+ {token.IDENT, "_本"},
+ {token.IDENT, "äöü"},
+ {token.IDENT, "本"},
+ {token.IDENT, "a۰۱۸"},
+ {token.IDENT, "foo६४"},
+ {token.IDENT, "bar9876"},
+ },
+ "heredoc": []tokenPair{
+ {token.HEREDOC, "<<EOF\nhello\nworld\nEOF"},
+ {token.HEREDOC, "<<EOF123\nhello\nworld\nEOF123"},
+ },
+ "string": []tokenPair{
+ {token.STRING, `" "`},
+ {token.STRING, `"a"`},
+ {token.STRING, `"本"`},
+ {token.STRING, `"${file("foo")}"`},
+ {token.STRING, `"${file(\"foo\")}"`},
+ {token.STRING, `"\a"`},
+ {token.STRING, `"\b"`},
+ {token.STRING, `"\f"`},
+ {token.STRING, `"\n"`},
+ {token.STRING, `"\r"`},
+ {token.STRING, `"\t"`},
+ {token.STRING, `"\v"`},
+ {token.STRING, `"\""`},
+ {token.STRING, `"\000"`},
+ {token.STRING, `"\777"`},
+ {token.STRING, `"\x00"`},
+ {token.STRING, `"\xff"`},
+ {token.STRING, `"\u0000"`},
+ {token.STRING, `"\ufA16"`},
+ {token.STRING, `"\U00000000"`},
+ {token.STRING, `"\U0000ffAB"`},
+ {token.STRING, `"` + f100 + `"`},
+ },
+ "number": []tokenPair{
+ {token.NUMBER, "0"},
+ {token.NUMBER, "1"},
+ {token.NUMBER, "9"},
+ {token.NUMBER, "42"},
+ {token.NUMBER, "1234567890"},
+ {token.NUMBER, "00"},
+ {token.NUMBER, "01"},
+ {token.NUMBER, "07"},
+ {token.NUMBER, "042"},
+ {token.NUMBER, "01234567"},
+ {token.NUMBER, "0x0"},
+ {token.NUMBER, "0x1"},
+ {token.NUMBER, "0xf"},
+ {token.NUMBER, "0x42"},
+ {token.NUMBER, "0x123456789abcDEF"},
+ {token.NUMBER, "0x" + f100},
+ {token.NUMBER, "0X0"},
+ {token.NUMBER, "0X1"},
+ {token.NUMBER, "0XF"},
+ {token.NUMBER, "0X42"},
+ {token.NUMBER, "0X123456789abcDEF"},
+ {token.NUMBER, "0X" + f100},
+ {token.NUMBER, "-0"},
+ {token.NUMBER, "-1"},
+ {token.NUMBER, "-9"},
+ {token.NUMBER, "-42"},
+ {token.NUMBER, "-1234567890"},
+ {token.NUMBER, "-00"},
+ {token.NUMBER, "-01"},
+ {token.NUMBER, "-07"},
+ {token.NUMBER, "-29"},
+ {token.NUMBER, "-042"},
+ {token.NUMBER, "-01234567"},
+ {token.NUMBER, "-0x0"},
+ {token.NUMBER, "-0x1"},
+ {token.NUMBER, "-0xf"},
+ {token.NUMBER, "-0x42"},
+ {token.NUMBER, "-0x123456789abcDEF"},
+ {token.NUMBER, "-0x" + f100},
+ {token.NUMBER, "-0X0"},
+ {token.NUMBER, "-0X1"},
+ {token.NUMBER, "-0XF"},
+ {token.NUMBER, "-0X42"},
+ {token.NUMBER, "-0X123456789abcDEF"},
+ {token.NUMBER, "-0X" + f100},
+ },
+ "float": []tokenPair{
+ {token.FLOAT, "0."},
+ {token.FLOAT, "1."},
+ {token.FLOAT, "42."},
+ {token.FLOAT, "01234567890."},
+ {token.FLOAT, ".0"},
+ {token.FLOAT, ".1"},
+ {token.FLOAT, ".42"},
+ {token.FLOAT, ".0123456789"},
+ {token.FLOAT, "0.0"},
+ {token.FLOAT, "1.0"},
+ {token.FLOAT, "42.0"},
+ {token.FLOAT, "01234567890.0"},
+ {token.FLOAT, "0e0"},
+ {token.FLOAT, "1e0"},
+ {token.FLOAT, "42e0"},
+ {token.FLOAT, "01234567890e0"},
+ {token.FLOAT, "0E0"},
+ {token.FLOAT, "1E0"},
+ {token.FLOAT, "42E0"},
+ {token.FLOAT, "01234567890E0"},
+ {token.FLOAT, "0e+10"},
+ {token.FLOAT, "1e-10"},
+ {token.FLOAT, "42e+10"},
+ {token.FLOAT, "01234567890e-10"},
+ {token.FLOAT, "0E+10"},
+ {token.FLOAT, "1E-10"},
+ {token.FLOAT, "42E+10"},
+ {token.FLOAT, "01234567890E-10"},
+ {token.FLOAT, "01.8e0"},
+ {token.FLOAT, "1.4e0"},
+ {token.FLOAT, "42.2e0"},
+ {token.FLOAT, "01234567890.12e0"},
+ {token.FLOAT, "0.E0"},
+ {token.FLOAT, "1.12E0"},
+ {token.FLOAT, "42.123E0"},
+ {token.FLOAT, "01234567890.213E0"},
+ {token.FLOAT, "0.2e+10"},
+ {token.FLOAT, "1.2e-10"},
+ {token.FLOAT, "42.54e+10"},
+ {token.FLOAT, "01234567890.98e-10"},
+ {token.FLOAT, "0.1E+10"},
+ {token.FLOAT, "1.1E-10"},
+ {token.FLOAT, "42.1E+10"},
+ {token.FLOAT, "01234567890.1E-10"},
+ {token.FLOAT, "-0.0"},
+ {token.FLOAT, "-1.0"},
+ {token.FLOAT, "-42.0"},
+ {token.FLOAT, "-01234567890.0"},
+ {token.FLOAT, "-0e0"},
+ {token.FLOAT, "-1e0"},
+ {token.FLOAT, "-42e0"},
+ {token.FLOAT, "-01234567890e0"},
+ {token.FLOAT, "-0E0"},
+ {token.FLOAT, "-1E0"},
+ {token.FLOAT, "-42E0"},
+ {token.FLOAT, "-01234567890E0"},
+ {token.FLOAT, "-0e+10"},
+ {token.FLOAT, "-1e-10"},
+ {token.FLOAT, "-42e+10"},
+ {token.FLOAT, "-01234567890e-10"},
+ {token.FLOAT, "-0E+10"},
+ {token.FLOAT, "-1E-10"},
+ {token.FLOAT, "-42E+10"},
+ {token.FLOAT, "-01234567890E-10"},
+ {token.FLOAT, "-01.8e0"},
+ {token.FLOAT, "-1.4e0"},
+ {token.FLOAT, "-42.2e0"},
+ {token.FLOAT, "-01234567890.12e0"},
+ {token.FLOAT, "-0.E0"},
+ {token.FLOAT, "-1.12E0"},
+ {token.FLOAT, "-42.123E0"},
+ {token.FLOAT, "-01234567890.213E0"},
+ {token.FLOAT, "-0.2e+10"},
+ {token.FLOAT, "-1.2e-10"},
+ {token.FLOAT, "-42.54e+10"},
+ {token.FLOAT, "-01234567890.98e-10"},
+ {token.FLOAT, "-0.1E+10"},
+ {token.FLOAT, "-1.1E-10"},
+ {token.FLOAT, "-42.1E+10"},
+ {token.FLOAT, "-01234567890.1E-10"},
+ },
+}
+
+var orderedTokenLists = []string{
+ "comment",
+ "operator",
+ "bool",
+ "ident",
+ "heredoc",
+ "string",
+ "number",
+ "float",
+}
+
+func TestPosition(t *testing.T) {
+ // create artifical source code
+ buf := new(bytes.Buffer)
+
+ for _, listName := range orderedTokenLists {
+ for _, ident := range tokenLists[listName] {
+ fmt.Fprintf(buf, "\t\t\t\t%s\n", ident.text)
+ }
+ }
+
+ s := New(buf.Bytes())
+
+ pos := token.Pos{"", 4, 1, 5}
+ s.Scan()
+ for _, listName := range orderedTokenLists {
+
+ for _, k := range tokenLists[listName] {
+ curPos := s.tokPos
+ // fmt.Printf("[%q] s = %+v:%+v\n", k.text, curPos.Offset, curPos.Column)
+
+ if curPos.Offset != pos.Offset {
+ t.Fatalf("offset = %d, want %d for %q", curPos.Offset, pos.Offset, k.text)
+ }
+ if curPos.Line != pos.Line {
+ t.Fatalf("line = %d, want %d for %q", curPos.Line, pos.Line, k.text)
+ }
+ if curPos.Column != pos.Column {
+ t.Fatalf("column = %d, want %d for %q", curPos.Column, pos.Column, k.text)
+ }
+ pos.Offset += 4 + len(k.text) + 1 // 4 tabs + token bytes + newline
+ pos.Line += countNewlines(k.text) + 1 // each token is on a new line
+ s.Scan()
+ }
+ }
+ // make sure there were no token-internal errors reported by scanner
+ if s.ErrorCount != 0 {
+ t.Errorf("%d errors", s.ErrorCount)
+ }
+}
+
+func TestNullChar(t *testing.T) {
+ s := New([]byte("\"\\0"))
+ s.Scan() // Used to panic
+}
+
+func TestComment(t *testing.T) {
+ testTokenList(t, tokenLists["comment"])
+}
+
+func TestOperator(t *testing.T) {
+ testTokenList(t, tokenLists["operator"])
+}
+
+func TestBool(t *testing.T) {
+ testTokenList(t, tokenLists["bool"])
+}
+
+func TestIdent(t *testing.T) {
+ testTokenList(t, tokenLists["ident"])
+}
+
+func TestString(t *testing.T) {
+ testTokenList(t, tokenLists["string"])
+}
+
+func TestNumber(t *testing.T) {
+ testTokenList(t, tokenLists["number"])
+}
+
+func TestFloat(t *testing.T) {
+ testTokenList(t, tokenLists["float"])
+}
+
+func TestWindowsLineEndings(t *testing.T) {
+ hcl := `// This should have Windows line endings
+resource "aws_instance" "foo" {
+ user_data=<<HEREDOC
+ test script
+HEREDOC
+}`
+ hclWindowsEndings := strings.Replace(hcl, "\n", "\r\n", -1)
+
+ literals := []struct {
+ tokenType token.Type
+ literal string
+ }{
+ {token.COMMENT, "// This should have Windows line endings\r"},
+ {token.IDENT, `resource`},
+ {token.STRING, `"aws_instance"`},
+ {token.STRING, `"foo"`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `user_data`},
+ {token.ASSIGN, `=`},
+ {token.HEREDOC, "<<HEREDOC\r\n test script\r\nHEREDOC\r\n"},
+ {token.RBRACE, `}`},
+ }
+
+ s := New([]byte(hclWindowsEndings))
+ for _, l := range literals {
+ tok := s.Scan()
+
+ if l.tokenType != tok.Type {
+ t.Errorf("got: %s want %s for %s\n", tok, l.tokenType, tok.String())
+ }
+
+ if l.literal != tok.Text {
+ t.Errorf("got:\n%v\nwant:\n%v\n", []byte(tok.Text), []byte(l.literal))
+ }
+ }
+}
+
+func TestRealExample(t *testing.T) {
+ complexHCL := `// This comes from Terraform, as a test
+ variable "foo" {
+ default = "bar"
+ description = "bar"
+ }
+
+ provider "aws" {
+ access_key = "foo"
+ secret_key = "${replace(var.foo, ".", "\\.")}"
+ }
+
+ resource "aws_security_group" "firewall" {
+ count = 5
+ }
+
+ resource aws_instance "web" {
+ ami = "${var.foo}"
+ security_groups = [
+ "foo",
+ "${aws_security_group.firewall.foo}"
+ ]
+
+ network_interface {
+ device_index = 0
+ description = <<EOF
+Main interface
+EOF
+ }
+
+ network_interface {
+ device_index = 1
+ description = <<-EOF
+ Outer text
+ Indented text
+ EOF
+ }
+ }`
+
+ literals := []struct {
+ tokenType token.Type
+ literal string
+ }{
+ {token.COMMENT, `// This comes from Terraform, as a test`},
+ {token.IDENT, `variable`},
+ {token.STRING, `"foo"`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `default`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"bar"`},
+ {token.IDENT, `description`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"bar"`},
+ {token.RBRACE, `}`},
+ {token.IDENT, `provider`},
+ {token.STRING, `"aws"`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `access_key`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"foo"`},
+ {token.IDENT, `secret_key`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"${replace(var.foo, ".", "\\.")}"`},
+ {token.RBRACE, `}`},
+ {token.IDENT, `resource`},
+ {token.STRING, `"aws_security_group"`},
+ {token.STRING, `"firewall"`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `count`},
+ {token.ASSIGN, `=`},
+ {token.NUMBER, `5`},
+ {token.RBRACE, `}`},
+ {token.IDENT, `resource`},
+ {token.IDENT, `aws_instance`},
+ {token.STRING, `"web"`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `ami`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"${var.foo}"`},
+ {token.IDENT, `security_groups`},
+ {token.ASSIGN, `=`},
+ {token.LBRACK, `[`},
+ {token.STRING, `"foo"`},
+ {token.COMMA, `,`},
+ {token.STRING, `"${aws_security_group.firewall.foo}"`},
+ {token.RBRACK, `]`},
+ {token.IDENT, `network_interface`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `device_index`},
+ {token.ASSIGN, `=`},
+ {token.NUMBER, `0`},
+ {token.IDENT, `description`},
+ {token.ASSIGN, `=`},
+ {token.HEREDOC, "<<EOF\nMain interface\nEOF\n"},
+ {token.RBRACE, `}`},
+ {token.IDENT, `network_interface`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `device_index`},
+ {token.ASSIGN, `=`},
+ {token.NUMBER, `1`},
+ {token.IDENT, `description`},
+ {token.ASSIGN, `=`},
+ {token.HEREDOC, "<<-EOF\n\t\t\tOuter text\n\t\t\t\tIndented text\n\t\t\tEOF\n"},
+ {token.RBRACE, `}`},
+ {token.RBRACE, `}`},
+ {token.EOF, ``},
+ }
+
+ s := New([]byte(complexHCL))
+ for _, l := range literals {
+ tok := s.Scan()
+ if l.tokenType != tok.Type {
+ t.Errorf("got: %s want %s for %s\n", tok, l.tokenType, tok.String())
+ }
+
+ if l.literal != tok.Text {
+ t.Errorf("got:\n%+v\n%s\n want:\n%+v\n%s\n", []byte(tok.String()), tok, []byte(l.literal), l.literal)
+ }
+ }
+
+}
+
+func TestScan_crlf(t *testing.T) {
+ complexHCL := "foo {\r\n bar = \"baz\"\r\n}\r\n"
+
+ literals := []struct {
+ tokenType token.Type
+ literal string
+ }{
+ {token.IDENT, `foo`},
+ {token.LBRACE, `{`},
+ {token.IDENT, `bar`},
+ {token.ASSIGN, `=`},
+ {token.STRING, `"baz"`},
+ {token.RBRACE, `}`},
+ {token.EOF, ``},
+ }
+
+ s := New([]byte(complexHCL))
+ for _, l := range literals {
+ tok := s.Scan()
+ if l.tokenType != tok.Type {
+ t.Errorf("got: %s want %s for %s\n", tok, l.tokenType, tok.String())
+ }
+
+ if l.literal != tok.Text {
+ t.Errorf("got:\n%+v\n%s\n want:\n%+v\n%s\n", []byte(tok.String()), tok, []byte(l.literal), l.literal)
+ }
+ }
+
+}
+
+func TestError(t *testing.T) {
+ testError(t, "\x80", "1:1", "illegal UTF-8 encoding", token.ILLEGAL)
+ testError(t, "\xff", "1:1", "illegal UTF-8 encoding", token.ILLEGAL)
+
+ testError(t, "ab\x80", "1:3", "illegal UTF-8 encoding", token.IDENT)
+ testError(t, "abc\xff", "1:4", "illegal UTF-8 encoding", token.IDENT)
+
+ testError(t, `"ab`+"\x80", "1:4", "illegal UTF-8 encoding", token.STRING)
+ testError(t, `"abc`+"\xff", "1:5", "illegal UTF-8 encoding", token.STRING)
+
+ testError(t, `01238`, "1:6", "illegal octal number", token.NUMBER)
+ testError(t, `01238123`, "1:9", "illegal octal number", token.NUMBER)
+ testError(t, `0x`, "1:3", "illegal hexadecimal number", token.NUMBER)
+ testError(t, `0xg`, "1:3", "illegal hexadecimal number", token.NUMBER)
+ testError(t, `'aa'`, "1:1", "illegal char", token.ILLEGAL)
+
+ testError(t, `"`, "1:2", "literal not terminated", token.STRING)
+ testError(t, `"abc`, "1:5", "literal not terminated", token.STRING)
+ testError(t, `"abc`+"\n", "1:5", "literal not terminated", token.STRING)
+ testError(t, `"${abc`+"\n", "2:1", "literal not terminated", token.STRING)
+ testError(t, `/*/`, "1:4", "comment not terminated", token.COMMENT)
+ testError(t, `/foo`, "1:1", "expected '/' for comment", token.COMMENT)
+}
+
+func testError(t *testing.T, src, pos, msg string, tok token.Type) {
+ s := New([]byte(src))
+
+ errorCalled := false
+ s.Error = func(p token.Pos, m string) {
+ if !errorCalled {
+ if pos != p.String() {
+ t.Errorf("pos = %q, want %q for %q", p, pos, src)
+ }
+
+ if m != msg {
+ t.Errorf("msg = %q, want %q for %q", m, msg, src)
+ }
+ errorCalled = true
+ }
+ }
+
+ tk := s.Scan()
+ if tk.Type != tok {
+ t.Errorf("tok = %s, want %s for %q", tk, tok, src)
+ }
+ if !errorCalled {
+ t.Errorf("error handler not called for %q", src)
+ }
+ if s.ErrorCount == 0 {
+ t.Errorf("count = %d, want > 0 for %q", s.ErrorCount, src)
+ }
+}
+
+func testTokenList(t *testing.T, tokenList []tokenPair) {
+ // create artifical source code
+ buf := new(bytes.Buffer)
+ for _, ident := range tokenList {
+ fmt.Fprintf(buf, "%s\n", ident.text)
+ }
+
+ s := New(buf.Bytes())
+ for _, ident := range tokenList {
+ tok := s.Scan()
+ if tok.Type != ident.tok {
+ t.Errorf("tok = %q want %q for %q\n", tok, ident.tok, ident.text)
+ }
+
+ if tok.Text != ident.text {
+ t.Errorf("text = %q want %q", tok.String(), ident.text)
+ }
+
+ }
+}
+
+func countNewlines(s string) int {
+ n := 0
+ for _, ch := range s {
+ if ch == '\n' {
+ n++
+ }
+ }
+ return n
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/strconv/quote.go b/vendor/github.com/hashicorp/hcl/hcl/strconv/quote.go
new file mode 100644
index 000000000..5f981eaa2
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/strconv/quote.go
@@ -0,0 +1,241 @@
+package strconv
+
+import (
+ "errors"
+ "unicode/utf8"
+)
+
+// ErrSyntax indicates that a value does not have the right syntax for the target type.
+var ErrSyntax = errors.New("invalid syntax")
+
+// Unquote interprets s as a single-quoted, double-quoted,
+// or backquoted Go string literal, returning the string value
+// that s quotes. (If s is single-quoted, it would be a Go
+// character literal; Unquote returns the corresponding
+// one-character string.)
+func Unquote(s string) (t string, err error) {
+ n := len(s)
+ if n < 2 {
+ return "", ErrSyntax
+ }
+ quote := s[0]
+ if quote != s[n-1] {
+ return "", ErrSyntax
+ }
+ s = s[1 : n-1]
+
+ if quote != '"' {
+ return "", ErrSyntax
+ }
+ if !contains(s, '$') && !contains(s, '{') && contains(s, '\n') {
+ return "", ErrSyntax
+ }
+
+ // Is it trivial? Avoid allocation.
+ if !contains(s, '\\') && !contains(s, quote) && !contains(s, '$') {
+ switch quote {
+ case '"':
+ return s, nil
+ case '\'':
+ r, size := utf8.DecodeRuneInString(s)
+ if size == len(s) && (r != utf8.RuneError || size != 1) {
+ return s, nil
+ }
+ }
+ }
+
+ var runeTmp [utf8.UTFMax]byte
+ buf := make([]byte, 0, 3*len(s)/2) // Try to avoid more allocations.
+ for len(s) > 0 {
+ // If we're starting a '${}' then let it through un-unquoted.
+ // Specifically: we don't unquote any characters within the `${}`
+ // section.
+ if s[0] == '$' && len(s) > 1 && s[1] == '{' {
+ buf = append(buf, '$', '{')
+ s = s[2:]
+
+ // Continue reading until we find the closing brace, copying as-is
+ braces := 1
+ for len(s) > 0 && braces > 0 {
+ r, size := utf8.DecodeRuneInString(s)
+ if r == utf8.RuneError {
+ return "", ErrSyntax
+ }
+
+ s = s[size:]
+
+ n := utf8.EncodeRune(runeTmp[:], r)
+ buf = append(buf, runeTmp[:n]...)
+
+ switch r {
+ case '{':
+ braces++
+ case '}':
+ braces--
+ }
+ }
+ if braces != 0 {
+ return "", ErrSyntax
+ }
+ if len(s) == 0 {
+ // If there's no string left, we're done!
+ break
+ } else {
+ // If there's more left, we need to pop back up to the top of the loop
+ // in case there's another interpolation in this string.
+ continue
+ }
+ }
+
+ if s[0] == '\n' {
+ return "", ErrSyntax
+ }
+
+ c, multibyte, ss, err := unquoteChar(s, quote)
+ if err != nil {
+ return "", err
+ }
+ s = ss
+ if c < utf8.RuneSelf || !multibyte {
+ buf = append(buf, byte(c))
+ } else {
+ n := utf8.EncodeRune(runeTmp[:], c)
+ buf = append(buf, runeTmp[:n]...)
+ }
+ if quote == '\'' && len(s) != 0 {
+ // single-quoted must be single character
+ return "", ErrSyntax
+ }
+ }
+ return string(buf), nil
+}
+
+// contains reports whether the string contains the byte c.
+func contains(s string, c byte) bool {
+ for i := 0; i < len(s); i++ {
+ if s[i] == c {
+ return true
+ }
+ }
+ return false
+}
+
+func unhex(b byte) (v rune, ok bool) {
+ c := rune(b)
+ switch {
+ case '0' <= c && c <= '9':
+ return c - '0', true
+ case 'a' <= c && c <= 'f':
+ return c - 'a' + 10, true
+ case 'A' <= c && c <= 'F':
+ return c - 'A' + 10, true
+ }
+ return
+}
+
+func unquoteChar(s string, quote byte) (value rune, multibyte bool, tail string, err error) {
+ // easy cases
+ switch c := s[0]; {
+ case c == quote && (quote == '\'' || quote == '"'):
+ err = ErrSyntax
+ return
+ case c >= utf8.RuneSelf:
+ r, size := utf8.DecodeRuneInString(s)
+ return r, true, s[size:], nil
+ case c != '\\':
+ return rune(s[0]), false, s[1:], nil
+ }
+
+ // hard case: c is backslash
+ if len(s) <= 1 {
+ err = ErrSyntax
+ return
+ }
+ c := s[1]
+ s = s[2:]
+
+ switch c {
+ case 'a':
+ value = '\a'
+ case 'b':
+ value = '\b'
+ case 'f':
+ value = '\f'
+ case 'n':
+ value = '\n'
+ case 'r':
+ value = '\r'
+ case 't':
+ value = '\t'
+ case 'v':
+ value = '\v'
+ case 'x', 'u', 'U':
+ n := 0
+ switch c {
+ case 'x':
+ n = 2
+ case 'u':
+ n = 4
+ case 'U':
+ n = 8
+ }
+ var v rune
+ if len(s) < n {
+ err = ErrSyntax
+ return
+ }
+ for j := 0; j < n; j++ {
+ x, ok := unhex(s[j])
+ if !ok {
+ err = ErrSyntax
+ return
+ }
+ v = v<<4 | x
+ }
+ s = s[n:]
+ if c == 'x' {
+ // single-byte string, possibly not UTF-8
+ value = v
+ break
+ }
+ if v > utf8.MaxRune {
+ err = ErrSyntax
+ return
+ }
+ value = v
+ multibyte = true
+ case '0', '1', '2', '3', '4', '5', '6', '7':
+ v := rune(c) - '0'
+ if len(s) < 2 {
+ err = ErrSyntax
+ return
+ }
+ for j := 0; j < 2; j++ { // one digit already; two more
+ x := rune(s[j]) - '0'
+ if x < 0 || x > 7 {
+ err = ErrSyntax
+ return
+ }
+ v = (v << 3) | x
+ }
+ s = s[2:]
+ if v > 255 {
+ err = ErrSyntax
+ return
+ }
+ value = v
+ case '\\':
+ value = '\\'
+ case '\'', '"':
+ if c != quote {
+ err = ErrSyntax
+ return
+ }
+ value = rune(c)
+ default:
+ err = ErrSyntax
+ return
+ }
+ tail = s
+ return
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/strconv/quote_test.go b/vendor/github.com/hashicorp/hcl/hcl/strconv/quote_test.go
new file mode 100644
index 000000000..65be375d9
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/strconv/quote_test.go
@@ -0,0 +1,96 @@
+package strconv
+
+import "testing"
+
+type quoteTest struct {
+ in string
+ out string
+ ascii string
+}
+
+var quotetests = []quoteTest{
+ {"\a\b\f\r\n\t\v", `"\a\b\f\r\n\t\v"`, `"\a\b\f\r\n\t\v"`},
+ {"\\", `"\\"`, `"\\"`},
+ {"abc\xffdef", `"abc\xffdef"`, `"abc\xffdef"`},
+ {"\u263a", `"☺"`, `"\u263a"`},
+ {"\U0010ffff", `"\U0010ffff"`, `"\U0010ffff"`},
+ {"\x04", `"\x04"`, `"\x04"`},
+}
+
+type unQuoteTest struct {
+ in string
+ out string
+}
+
+var unquotetests = []unQuoteTest{
+ {`""`, ""},
+ {`"a"`, "a"},
+ {`"abc"`, "abc"},
+ {`"☺"`, "☺"},
+ {`"hello world"`, "hello world"},
+ {`"\xFF"`, "\xFF"},
+ {`"\377"`, "\377"},
+ {`"\u1234"`, "\u1234"},
+ {`"\U00010111"`, "\U00010111"},
+ {`"\U0001011111"`, "\U0001011111"},
+ {`"\a\b\f\n\r\t\v\\\""`, "\a\b\f\n\r\t\v\\\""},
+ {`"'"`, "'"},
+ {`"${file("foo")}"`, `${file("foo")}`},
+ {`"${file("\"foo\"")}"`, `${file("\"foo\"")}`},
+ {`"echo ${var.region}${element(split(",",var.zones),0)}"`,
+ `echo ${var.region}${element(split(",",var.zones),0)}`},
+ {`"${HH\\:mm\\:ss}"`, `${HH\\:mm\\:ss}`},
+ {`"${\n}"`, `${\n}`},
+}
+
+var misquoted = []string{
+ ``,
+ `"`,
+ `"a`,
+ `"'`,
+ `b"`,
+ `"\"`,
+ `"\9"`,
+ `"\19"`,
+ `"\129"`,
+ `'\'`,
+ `'\9'`,
+ `'\19'`,
+ `'\129'`,
+ `'ab'`,
+ `"\x1!"`,
+ `"\U12345678"`,
+ `"\z"`,
+ "`",
+ "`xxx",
+ "`\"",
+ `"\'"`,
+ `'\"'`,
+ "\"\n\"",
+ "\"\\n\n\"",
+ "'\n'",
+ `"${"`,
+ `"${foo{}"`,
+ "\"${foo}\n\"",
+}
+
+func TestUnquote(t *testing.T) {
+ for _, tt := range unquotetests {
+ if out, err := Unquote(tt.in); err != nil || out != tt.out {
+ t.Errorf("Unquote(%#q) = %q, %v want %q, nil", tt.in, out, err, tt.out)
+ }
+ }
+
+ // run the quote tests too, backward
+ for _, tt := range quotetests {
+ if in, err := Unquote(tt.out); in != tt.in {
+ t.Errorf("Unquote(%#q) = %q, %v, want %q, nil", tt.out, in, err, tt.in)
+ }
+ }
+
+ for _, s := range misquoted {
+ if out, err := Unquote(s); out != "" || err != ErrSyntax {
+ t.Errorf("Unquote(%#q) = %q, %v want %q, %v", s, out, err, "", ErrSyntax)
+ }
+ }
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/array_comment.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/array_comment.hcl
new file mode 100644
index 000000000..78c267582
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/array_comment.hcl
@@ -0,0 +1,4 @@
+foo = [
+ "1",
+ "2", # comment
+]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/assign_colon.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/assign_colon.hcl
new file mode 100644
index 000000000..eb5a99a69
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/assign_colon.hcl
@@ -0,0 +1,6 @@
+resource = [{
+ "foo": {
+ "bar": {},
+ "baz": [1, 2, "foo"],
+ }
+}]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment.hcl
new file mode 100644
index 000000000..1ff7f29fd
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment.hcl
@@ -0,0 +1,15 @@
+// Foo
+
+/* Bar */
+
+/*
+/*
+Baz
+*/
+
+# Another
+
+# Multiple
+# Lines
+
+foo = "bar"
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment_single.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment_single.hcl
new file mode 100644
index 000000000..fec56017d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/comment_single.hcl
@@ -0,0 +1 @@
+# Hello
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex.hcl
new file mode 100644
index 000000000..cccb5b06f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex.hcl
@@ -0,0 +1,42 @@
+// This comes from Terraform, as a test
+variable "foo" {
+ default = "bar"
+ description = "bar"
+}
+
+provider "aws" {
+ access_key = "foo"
+ secret_key = "bar"
+}
+
+provider "do" {
+ api_key = "${var.foo}"
+}
+
+resource "aws_security_group" "firewall" {
+ count = 5
+}
+
+resource aws_instance "web" {
+ ami = "${var.foo}"
+ security_groups = [
+ "foo",
+ "${aws_security_group.firewall.foo}"
+ ]
+
+ network_interface {
+ device_index = 0
+ description = "Main network interface"
+ }
+}
+
+resource "aws_instance" "db" {
+ security_groups = "${aws_security_group.firewall.*.id}"
+ VPC = "foo"
+
+ depends_on = ["aws_instance.web"]
+}
+
+output "web_ip" {
+ value = "${aws_instance.web.private_ip}"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex_key.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex_key.hcl
new file mode 100644
index 000000000..0007aaf5f
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/complex_key.hcl
@@ -0,0 +1 @@
+foo.bar = "baz"
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/empty.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/empty.hcl
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/empty.hcl
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list.hcl
new file mode 100644
index 000000000..059d4ce65
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list.hcl
@@ -0,0 +1 @@
+foo = [1, 2, "foo"]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list_comma.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list_comma.hcl
new file mode 100644
index 000000000..50f4218ac
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/list_comma.hcl
@@ -0,0 +1 @@
+foo = [1, 2, "foo",]
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/multiple.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/multiple.hcl
new file mode 100644
index 000000000..029c54b0c
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/multiple.hcl
@@ -0,0 +1,2 @@
+foo = "bar"
+key = 7
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/old.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/old.hcl
new file mode 100644
index 000000000..e9f77cae9
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/old.hcl
@@ -0,0 +1,3 @@
+default = {
+ "eu-west-1": "ami-b1cf19c6",
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure.hcl
new file mode 100644
index 000000000..92592fbb3
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure.hcl
@@ -0,0 +1,5 @@
+// This is a test structure for the lexer
+foo bar "baz" {
+ key = 7
+ foo = "bar"
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_basic.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_basic.hcl
new file mode 100644
index 000000000..7229a1f01
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_basic.hcl
@@ -0,0 +1,5 @@
+foo {
+ value = 7
+ "value" = 8
+ "complex::value" = 9
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_empty.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_empty.hcl
new file mode 100644
index 000000000..4d156ddea
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/structure_empty.hcl
@@ -0,0 +1 @@
+resource "foo" "bar" {}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/types.hcl b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/types.hcl
new file mode 100644
index 000000000..cf2747ea1
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/test-fixtures/types.hcl
@@ -0,0 +1,7 @@
+foo = "bar"
+bar = 7
+baz = [1,2,3]
+foo = -12
+bar = 3.14159
+foo = true
+bar = false
diff --git a/vendor/github.com/hashicorp/hcl/hcl/token/position.go b/vendor/github.com/hashicorp/hcl/hcl/token/position.go
new file mode 100644
index 000000000..59c1bb72d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/token/position.go
@@ -0,0 +1,46 @@
+package token
+
+import "fmt"
+
+// Pos describes an arbitrary source position
+// including the file, line, and column location.
+// A Position is valid if the line number is > 0.
+type Pos struct {
+ Filename string // filename, if any
+ Offset int // offset, starting at 0
+ Line int // line number, starting at 1
+ Column int // column number, starting at 1 (character count)
+}
+
+// IsValid returns true if the position is valid.
+func (p *Pos) IsValid() bool { return p.Line > 0 }
+
+// String returns a string in one of several forms:
+//
+// file:line:column valid position with file name
+// line:column valid position without file name
+// file invalid position with file name
+// - invalid position without file name
+func (p Pos) String() string {
+ s := p.Filename
+ if p.IsValid() {
+ if s != "" {
+ s += ":"
+ }
+ s += fmt.Sprintf("%d:%d", p.Line, p.Column)
+ }
+ if s == "" {
+ s = "-"
+ }
+ return s
+}
+
+// Before reports whether the position p is before u.
+func (p Pos) Before(u Pos) bool {
+ return u.Offset > p.Offset || u.Line > p.Line
+}
+
+// After reports whether the position p is after u.
+func (p Pos) After(u Pos) bool {
+ return u.Offset < p.Offset || u.Line < p.Line
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/token/token.go b/vendor/github.com/hashicorp/hcl/hcl/token/token.go
new file mode 100644
index 000000000..e37c0664e
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/token/token.go
@@ -0,0 +1,219 @@
+// Package token defines constants representing the lexical tokens for HCL
+// (HashiCorp Configuration Language)
+package token
+
+import (
+ "fmt"
+ "strconv"
+ "strings"
+
+ hclstrconv "github.com/hashicorp/hcl/hcl/strconv"
+)
+
+// Token defines a single HCL token which can be obtained via the Scanner
+type Token struct {
+ Type Type
+ Pos Pos
+ Text string
+ JSON bool
+}
+
+// Type is the set of lexical tokens of the HCL (HashiCorp Configuration Language)
+type Type int
+
+const (
+ // Special tokens
+ ILLEGAL Type = iota
+ EOF
+ COMMENT
+
+ identifier_beg
+ IDENT // literals
+ literal_beg
+ NUMBER // 12345
+ FLOAT // 123.45
+ BOOL // true,false
+ STRING // "abc"
+ HEREDOC // <<FOO\nbar\nFOO
+ literal_end
+ identifier_end
+
+ operator_beg
+ LBRACK // [
+ LBRACE // {
+ COMMA // ,
+ PERIOD // .
+
+ RBRACK // ]
+ RBRACE // }
+
+ ASSIGN // =
+ ADD // +
+ SUB // -
+ operator_end
+)
+
+var tokens = [...]string{
+ ILLEGAL: "ILLEGAL",
+
+ EOF: "EOF",
+ COMMENT: "COMMENT",
+
+ IDENT: "IDENT",
+ NUMBER: "NUMBER",
+ FLOAT: "FLOAT",
+ BOOL: "BOOL",
+ STRING: "STRING",
+
+ LBRACK: "LBRACK",
+ LBRACE: "LBRACE",
+ COMMA: "COMMA",
+ PERIOD: "PERIOD",
+ HEREDOC: "HEREDOC",
+
+ RBRACK: "RBRACK",
+ RBRACE: "RBRACE",
+
+ ASSIGN: "ASSIGN",
+ ADD: "ADD",
+ SUB: "SUB",
+}
+
+// String returns the string corresponding to the token tok.
+func (t Type) String() string {
+ s := ""
+ if 0 <= t && t < Type(len(tokens)) {
+ s = tokens[t]
+ }
+ if s == "" {
+ s = "token(" + strconv.Itoa(int(t)) + ")"
+ }
+ return s
+}
+
+// IsIdentifier returns true for tokens corresponding to identifiers and basic
+// type literals; it returns false otherwise.
+func (t Type) IsIdentifier() bool { return identifier_beg < t && t < identifier_end }
+
+// IsLiteral returns true for tokens corresponding to basic type literals; it
+// returns false otherwise.
+func (t Type) IsLiteral() bool { return literal_beg < t && t < literal_end }
+
+// IsOperator returns true for tokens corresponding to operators and
+// delimiters; it returns false otherwise.
+func (t Type) IsOperator() bool { return operator_beg < t && t < operator_end }
+
+// String returns the token's literal text. Note that this is only
+// applicable for certain token types, such as token.IDENT,
+// token.STRING, etc..
+func (t Token) String() string {
+ return fmt.Sprintf("%s %s %s", t.Pos.String(), t.Type.String(), t.Text)
+}
+
+// Value returns the properly typed value for this token. The type of
+// the returned interface{} is guaranteed based on the Type field.
+//
+// This can only be called for literal types. If it is called for any other
+// type, this will panic.
+func (t Token) Value() interface{} {
+ switch t.Type {
+ case BOOL:
+ if t.Text == "true" {
+ return true
+ } else if t.Text == "false" {
+ return false
+ }
+
+ panic("unknown bool value: " + t.Text)
+ case FLOAT:
+ v, err := strconv.ParseFloat(t.Text, 64)
+ if err != nil {
+ panic(err)
+ }
+
+ return float64(v)
+ case NUMBER:
+ v, err := strconv.ParseInt(t.Text, 0, 64)
+ if err != nil {
+ panic(err)
+ }
+
+ return int64(v)
+ case IDENT:
+ return t.Text
+ case HEREDOC:
+ return unindentHeredoc(t.Text)
+ case STRING:
+ // Determine the Unquote method to use. If it came from JSON,
+ // then we need to use the built-in unquote since we have to
+ // escape interpolations there.
+ f := hclstrconv.Unquote
+ if t.JSON {
+ f = strconv.Unquote
+ }
+
+ // This case occurs if json null is used
+ if t.Text == "" {
+ return ""
+ }
+
+ v, err := f(t.Text)
+ if err != nil {
+ panic(fmt.Sprintf("unquote %s err: %s", t.Text, err))
+ }
+
+ return v
+ default:
+ panic(fmt.Sprintf("unimplemented Value for type: %s", t.Type))
+ }
+}
+
+// unindentHeredoc returns the string content of a HEREDOC if it is started with <<
+// and the content of a HEREDOC with the hanging indent removed if it is started with
+// a <<-, and the terminating line is at least as indented as the least indented line.
+func unindentHeredoc(heredoc string) string {
+ // We need to find the end of the marker
+ idx := strings.IndexByte(heredoc, '\n')
+ if idx == -1 {
+ panic("heredoc doesn't contain newline")
+ }
+
+ unindent := heredoc[2] == '-'
+
+ // We can optimize if the heredoc isn't marked for indentation
+ if !unindent {
+ return string(heredoc[idx+1 : len(heredoc)-idx+1])
+ }
+
+ // We need to unindent each line based on the indentation level of the marker
+ lines := strings.Split(string(heredoc[idx+1:len(heredoc)-idx+2]), "\n")
+ whitespacePrefix := lines[len(lines)-1]
+
+ isIndented := true
+ for _, v := range lines {
+ if strings.HasPrefix(v, whitespacePrefix) {
+ continue
+ }
+
+ isIndented = false
+ break
+ }
+
+ // If all lines are not at least as indented as the terminating mark, return the
+ // heredoc as is, but trim the leading space from the marker on the final line.
+ if !isIndented {
+ return strings.TrimRight(string(heredoc[idx+1:len(heredoc)-idx+1]), " \t")
+ }
+
+ unindentedLines := make([]string, len(lines))
+ for k, v := range lines {
+ if k == len(lines)-1 {
+ unindentedLines[k] = ""
+ break
+ }
+
+ unindentedLines[k] = strings.TrimPrefix(v, whitespacePrefix)
+ }
+
+ return strings.Join(unindentedLines, "\n")
+}
diff --git a/vendor/github.com/hashicorp/hcl/hcl/token/token_test.go b/vendor/github.com/hashicorp/hcl/hcl/token/token_test.go
new file mode 100644
index 000000000..e4b4af25b
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl/hcl/token/token_test.go
@@ -0,0 +1,69 @@
+package token
+
+import (
+ "reflect"
+ "testing"
+)
+
+func TestTypeString(t *testing.T) {
+ var tokens = []struct {
+ tt Type
+ str string
+ }{
+ {ILLEGAL, "ILLEGAL"},
+ {EOF, "EOF"},
+ {COMMENT, "COMMENT"},
+ {IDENT, "IDENT"},
+ {NUMBER, "NUMBER"},
+ {FLOAT, "FLOAT"},
+ {BOOL, "BOOL"},
+ {STRING, "STRING"},
+ {HEREDOC, "HEREDOC"},
+ {LBRACK, "LBRACK"},
+ {LBRACE, "LBRACE"},
+ {COMMA, "COMMA"},
+ {PERIOD, "PERIOD"},
+ {RBRACK, "RBRACK"},
+ {RBRACE, "RBRACE"},
+ {ASSIGN, "ASSIGN"},
+ {ADD, "ADD"},
+ {SUB, "SUB"},
+ }
+
+ for _, token := range tokens {
+ if token.tt.String() != token.str {
+ t.Errorf("want: %q got:%q\n", token.str, token.tt)
+ }
+ }
+
+}
+
+func TestTokenValue(t *testing.T) {
+ var tokens = []struct {
+ tt Token
+ v interface{}
+ }{
+ {Token{Type: BOOL, Text: `true`}, true},
+ {Token{Type: BOOL, Text: `false`}, false},
+ {Token{Type: FLOAT, Text: `3.14`}, float64(3.14)},
+ {Token{Type: NUMBER, Text: `42`}, int64(42)},
+ {Token{Type: IDENT, Text: `foo`}, "foo"},
+ {Token{Type: STRING, Text: `"foo"`}, "foo"},
+ {Token{Type: STRING, Text: `"foo\nbar"`}, "foo\nbar"},
+ {Token{Type: STRING, Text: `"${file("foo")}"`}, `${file("foo")}`},
+ {
+ Token{
+ Type: STRING,
+ Text: `"${replace("foo", ".", "\\.")}"`,
+ },
+ `${replace("foo", ".", "\\.")}`},
+ {Token{Type: HEREDOC, Text: "<<EOF\nfoo\nbar\nEOF"}, "foo\nbar"},
+ }
+
+ for _, token := range tokens {
+ if val := token.tt.Value(); !reflect.DeepEqual(val, token.v) {
+ t.Errorf("want: %v got:%v\n", token.v, val)
+ }
+ }
+
+}