deps: Update call sites of hil.Eval from update

hil.Eval() now returns (hil.EvaluationResult, error) instead of (value,
type, error). This commit updates the call sites, but retains all
previous behaviour. Tests are also updated.

builtin/providers/template/resource_template_file.go

@@ -160,15 +160,15 @@ func execute(s string, vars map[string]interface{}) (string, error) {
 		},
 	}
 
-	out, typ, err := hil.Eval(root, &cfg)
+	result, err := hil.Eval(root, &cfg)
 	if err != nil {
 		return "", err
 	}
-	if typ != ast.TypeString {
-		return "", fmt.Errorf("unexpected output ast.Type: %v", typ)
+	if result.Type != hil.TypeString {
+		return "", fmt.Errorf("unexpected output hil.Type: %v", result.Type)
 	}
 
-	return out.(string), nil
+	return result.Value.(string), nil
 }
 
 func hash(s string) string {

config/config.go

@@ -450,7 +450,7 @@ func (c *Config) Validate() error {
 		r.RawCount.interpolate(func(root ast.Node) (string, error) {
 			// Execute the node but transform the AST so that it returns
 			// a fixed value of "5" for all interpolations.
-			out, _, err := hil.Eval(
+			result, err := hil.Eval(
 				hil.FixedValueTransform(
 					root, &ast.LiteralNode{Value: "5", Typex: ast.TypeString}),
 				nil)
@@ -458,7 +458,7 @@ func (c *Config) Validate() error {
 				return "", err
 			}
 
-			return out.(string), nil
+			return result.Value.(string), nil
 		})
 		_, err := strconv.ParseInt(r.RawCount.Value().(string), 0, 0)
 		if err != nil {
@@ -680,7 +680,7 @@ func (c *Config) validateVarContextFn(
 		node = node.Accept(func(n ast.Node) ast.Node {
 			// If it is a concat or variable access, we allow it.
 			switch n.(type) {
-			case *ast.Concat:
+			case *ast.Output:
 				return n
 			case *ast.VariableAccess:
 				return n

config/interpolate_funcs_test.go

@@ -1004,16 +1004,16 @@ func TestInterpolateFuncUUID(t *testing.T) {
 			t.Fatalf("err: %s", err)
 		}
 
-		out, _, err := hil.Eval(ast, langEvalConfig(nil))
+		result, err := hil.Eval(ast, langEvalConfig(nil))
 		if err != nil {
 			t.Fatalf("err: %s", err)
 		}
 
-		if results[out.(string)] {
-			t.Fatalf("Got unexpected duplicate uuid: %s", out)
+		if results[result.Value.(string)] {
+			t.Fatalf("Got unexpected duplicate uuid: %s", result.Value)
 		}
 
-		results[out.(string)] = true
+		results[result.Value.(string)] = true
 	}
 }
 
@@ -1035,15 +1035,14 @@ func testFunction(t *testing.T, config testFunctionConfig) {
 			t.Fatalf("Case #%d: input: %#v\nerr: %s", i, tc.Input, err)
 		}
 
-		out, _, err := hil.Eval(ast, langEvalConfig(config.Vars))
+		result, err := hil.Eval(ast, langEvalConfig(config.Vars))
 		if err != nil != tc.Error {
 			t.Fatalf("Case #%d:\ninput: %#v\nerr: %s", i, tc.Input, err)
 		}
 
-		if !reflect.DeepEqual(out, tc.Result) {
-			t.Fatalf(
-				"%d: bad output for input: %s\n\nOutput: %#v\nExpected: %#v",
-				i, tc.Input, out, tc.Result)
+		if !reflect.DeepEqual(result.Value, tc.Result) {
+			t.Fatalf("%d: bad output for input: %s\n\nOutput: %#v\nExpected: %#v",
+				i, tc.Input, result.Value, tc.Result)
 		}
 	}
 }

config/raw_config.go

@@ -132,12 +132,12 @@ func (r *RawConfig) Interpolate(vs map[string]ast.Variable) error {
 
 		// None of the variables we need are computed, meaning we should
 		// be able to properly evaluate.
-		out, _, err := hil.Eval(root, config)
+		result, err := hil.Eval(root, config)
 		if err != nil {
 			return "", err
 		}
 
-		return out.(string), nil
+		return result.Value.(string), nil
 	})
 }