deps: github.com/hashicorp/terraform@sdk-v0.11-with-go-modules

Updated via: go get github.com/hashicorp/terraform@sdk-v0.11-with-go-modules and go mod tidy

1 files changed, 37 insertions, 0 deletions

diff --git a/vendor/github.com/hashicorp/hcl2/hcl/expr_list.go b/vendor/github.com/hashicorp/hcl2/hcl/expr_list.go
new file mode 100644
index 0000000..d05cca0
--- /dev/null
+++ b/vendor/github.com/hashicorp/hcl2/hcl/expr_list.go
@@ -0,0 +1,37 @@
+package hcl
+
+// ExprList tests if the given expression is a static list construct and,
+// if so, extracts the expressions that represent the list elements.
+// If the given expression is not a static list, error diagnostics are
+// returned.
+//
+// A particular Expression implementation can support this function by
+// offering a method called ExprList that takes no arguments and returns
+// []Expression. This method should return nil if a static list cannot
+// be extracted.  Alternatively, an implementation can support
+// UnwrapExpression to delegate handling of this function to a wrapped
+// Expression object.
+func ExprList(expr Expression) ([]Expression, Diagnostics) {
+        type exprList interface {
+                ExprList() []Expression
+        }
+
+        physExpr := UnwrapExpressionUntil(expr, func(expr Expression) bool {
+                _, supported := expr.(exprList)
+                return supported
+        })
+
+        if exL, supported := physExpr.(exprList); supported {
+                if list := exL.ExprList(); list != nil {
+                        return list, nil
+                }
+        }
+        return nil, Diagnostics{
+                &Diagnostic{
+                        Severity: DiagError,
+                        Summary:  "Invalid expression",
+                        Detail:   "A static list expression is required.",
+                        Subject:  expr.StartRange().Ptr(),
+                },
+        }
+}