1 files changed, 63 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hil/ast/variables_helper.go b/vendor/github.com/hashicorp/hil/ast/variables_helper.go
new file mode 100644
index 0000000..06bd18d
--- /dev/null
+++ b/vendor/github.com/hashicorp/hil/ast/variables_helper.go
@@ -0,0 +1,63 @@
+package ast
+
+import "fmt"
+
+func VariableListElementTypesAreHomogenous(variableName string, list []Variable) (Type, error) {
+        if len(list) == 0 {
+                return TypeInvalid, fmt.Errorf("list %q does not have any elements so cannot determine type.", variableName)
+        }
+
+        elemType := TypeUnknown
+        for _, v := range list {
+                if v.Type == TypeUnknown {
+                        continue
+                }
+
+                if elemType == TypeUnknown {
+                        elemType = v.Type
+                        continue
+                }
+
+                if v.Type != elemType {
+                        return TypeInvalid, fmt.Errorf(
+                                "list %q does not have homogenous types. found %s and then %s",
+                                variableName,
+                                elemType, v.Type,
+                        )
+                }
+
+                elemType = v.Type
+        }
+
+        return elemType, nil
+}
+
+func VariableMapValueTypesAreHomogenous(variableName string, vmap map[string]Variable) (Type, error) {
+        if len(vmap) == 0 {
+                return TypeInvalid, fmt.Errorf("map %q does not have any elements so cannot determine type.", variableName)
+        }
+
+        elemType := TypeUnknown
+        for _, v := range vmap {
+                if v.Type == TypeUnknown {
+                        continue
+                }
+
+                if elemType == TypeUnknown {
+                        elemType = v.Type
+                        continue
+                }
+
+                if v.Type != elemType {
+                        return TypeInvalid, fmt.Errorf(
+                                "map %q does not have homogenous types. found %s and then %s",
+                                variableName,
+                                elemType, v.Type,
+                        )
+                }
+
+                elemType = v.Type
+        }
+
+        return elemType, nil
+}