1 files changed, 66 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hcl2/ext/dynblock/iteration.go b/vendor/github.com/hashicorp/hcl2/ext/dynblock/iteration.go
new file mode 100644
index 0000000..7056d33
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl2/ext/dynblock/iteration.go
@@ -0,0 +1,66 @@
+package dynblock
+
+import (
+        "github.com/hashicorp/hcl2/hcl"
+        "github.com/zclconf/go-cty/cty"
+)
+
+type iteration struct {
+        IteratorName string
+        Key          cty.Value
+        Value        cty.Value
+        Inherited    map[string]*iteration
+}
+
+func (s *expandSpec) MakeIteration(key, value cty.Value) *iteration {
+        return &iteration{
+                IteratorName: s.iteratorName,
+                Key:          key,
+                Value:        value,
+                Inherited:    s.inherited,
+        }
+}
+
+func (i *iteration) Object() cty.Value {
+        return cty.ObjectVal(map[string]cty.Value{
+                "key":   i.Key,
+                "value": i.Value,
+        })
+}
+
+func (i *iteration) EvalContext(base *hcl.EvalContext) *hcl.EvalContext {
+        new := base.NewChild()
+
+        if i != nil {
+                new.Variables = map[string]cty.Value{}
+                for name, otherIt := range i.Inherited {
+                        new.Variables[name] = otherIt.Object()
+                }
+                new.Variables[i.IteratorName] = i.Object()
+        }
+
+        return new
+}
+
+func (i *iteration) MakeChild(iteratorName string, key, value cty.Value) *iteration {
+        if i == nil {
+                // Create entirely new root iteration, then
+                return &iteration{
+                        IteratorName: iteratorName,
+                        Key:          key,
+                        Value:        value,
+                }
+        }
+
+        inherited := map[string]*iteration{}
+        for name, otherIt := range i.Inherited {
+                inherited[name] = otherIt
+        }
+        inherited[i.IteratorName] = i
+        return &iteration{
+                IteratorName: iteratorName,
+                Key:          key,
+                Value:        value,
+                Inherited:    inherited,
+        }
+}