Parse parenthesized parameter-type. (#421)

Krout0n · web-flow · commit d476d65f7ba9 · 2020-03-30T08:21:31.000-06:00
Add test.
diff --git a/mockgen/internal/tests/parenthesized_parameter_type/README.md b/mockgen/internal/tests/parenthesized_parameter_type/README.md
@@ -0,0 +1,3 @@
+# Parenthesized Parameter Type
+
+Test for [Issue#416](https://github.com/golang/mock/issues/416).
diff --git a/mockgen/internal/tests/parenthesized_parameter_type/input.go b/mockgen/internal/tests/parenthesized_parameter_type/input.go
@@ -0,0 +1,5 @@
+package parenthesized_parameter_type
+
+type Example interface {
+	ParenthesizedParameterType(param *(int))
+}
diff --git a/mockgen/internal/tests/parenthesized_parameter_type/mock.go b/mockgen/internal/tests/parenthesized_parameter_type/mock.go
diff --git a/mockgen/parse.go b/mockgen/parse.go
@@ -424,6 +424,8 @@ func (p *fileParser) parseType(pkg string, typ ast.Expr) (model.Type, error) {
 			return nil, p.errorf(v.Pos(), "can't handle non-empty unnamed struct types")
 		}
 		return model.PredeclaredType("struct{}"), nil
+	case *ast.ParenExpr:
+		return p.parseType(pkg, v.X)
 	}
 
 	return nil, fmt.Errorf("don't know how to parse type %T", typ)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# Parenthesized Parameter Type`
	`2`	`+`
	`3`	`+Test for [Issue#416](https://github.com/golang/mock/issues/416).`
Original file line number	Diff line number	Diff line change
`@@ -424,6 +424,8 @@ func (p *fileParser) parseType(pkg string, typ ast.Expr) (model.Type, error) {`
`424`	`424`	`return nil, p.errorf(v.Pos(), "can't handle non-empty unnamed struct types")`
`425`	`425`	`}`
`426`	`426`	`return model.PredeclaredType("struct{}"), nil`
	`427`	`+ case *ast.ParenExpr:`
	`428`	`+ return p.parseType(pkg, v.X)`
`427`	`429`	`}`
`428`	`430`
`429`	`431`	`return nil, fmt.Errorf("don't know how to parse type %T", typ)`