mirror of
https://github.com/tailscale/tailscale.git
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fc28c8e7f3
This adds support for generic types and interfaces to our cloner and viewer codegens. It updates these packages to determine whether to make shallow or deep copies based on the type parameter constraints. Additionally, if a template parameter or an interface type has View() and Clone() methods, we'll use them for getters and the cloner of the owning structure. Updates #12736 Signed-off-by: Nick Khyl <nickk@tailscale.com>
117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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// Package tests serves a list of tests for tailscale.com/cmd/viewer.
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package tests
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import (
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"fmt"
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"net/netip"
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"golang.org/x/exp/constraints"
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"tailscale.com/types/views"
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)
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//go:generate go run tailscale.com/cmd/viewer --type=StructWithPtrs,StructWithoutPtrs,Map,StructWithSlices,OnlyGetClone,StructWithEmbedded,GenericIntStruct,GenericNoPtrsStruct,GenericCloneableStruct --clone-only-type=OnlyGetClone
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type StructWithoutPtrs struct {
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Int int
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Pfx netip.Prefix
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}
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type Map struct {
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Int map[string]int
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SliceInt map[string][]int
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StructPtrWithPtr map[string]*StructWithPtrs
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StructPtrWithoutPtr map[string]*StructWithoutPtrs
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StructWithoutPtr map[string]StructWithoutPtrs
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SlicesWithPtrs map[string][]*StructWithPtrs
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SlicesWithoutPtrs map[string][]*StructWithoutPtrs
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StructWithoutPtrKey map[StructWithoutPtrs]int `json:"-"`
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StructWithPtr map[string]StructWithPtrs
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// Unsupported views.
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SliceIntPtr map[string][]*int
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PointerKey map[*string]int `json:"-"`
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StructWithPtrKey map[StructWithPtrs]int `json:"-"`
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}
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type StructWithPtrs struct {
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Value *StructWithoutPtrs
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Int *int
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NoCloneValue *StructWithoutPtrs `codegen:"noclone"`
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}
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func (v *StructWithPtrs) String() string { return fmt.Sprintf("%v", v.Int) }
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func (v *StructWithPtrs) Equal(v2 *StructWithPtrs) bool {
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return v.Value == v2.Value
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}
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type StructWithSlices struct {
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Values []StructWithoutPtrs
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ValuePointers []*StructWithoutPtrs
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StructPointers []*StructWithPtrs
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Slice []string
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Prefixes []netip.Prefix
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Data []byte
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// Unsupported views.
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Structs []StructWithPtrs
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Ints []*int
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}
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type OnlyGetClone struct {
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SinViewerPorFavor bool
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}
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type StructWithEmbedded struct {
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A *StructWithPtrs
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StructWithSlices
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}
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type GenericIntStruct[T constraints.Integer] struct {
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Value T
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Pointer *T
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Slice []T
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Map map[string]T
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// Unsupported views.
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}
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type BasicType interface {
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~bool | constraints.Integer | constraints.Float | constraints.Complex | ~string
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}
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type GenericNoPtrsStruct[T StructWithoutPtrs | netip.Prefix | BasicType] struct {
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Value T
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Pointer *T
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Slice []T
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Map map[string]T
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// Unsupported views.
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}
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type GenericCloneableStruct[T views.ViewCloner[T, V], V views.StructView[T]] struct {
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Value T
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Slice []T
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Map map[string]T
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// Unsupported views.
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Pointer *T
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PtrSlice []*T
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PtrKeyMap map[*T]string `json:"-"`
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PtrValueMap map[string]*T
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SliceMap map[string][]T
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}
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