470 lines
13 KiB
Go
470 lines
13 KiB
Go
package docgen
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import (
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"fmt"
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"go/ast"
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"go/parser"
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"go/token"
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"path/filepath"
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"reflect"
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"strings"
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"time"
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"unicode"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-bitfield"
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"github.com/google/uuid"
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"github.com/ipfs/go-cid"
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"github.com/ipfs/go-filestore"
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metrics "github.com/libp2p/go-libp2p-core/metrics"
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"github.com/libp2p/go-libp2p-core/network"
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"github.com/libp2p/go-libp2p-core/peer"
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protocol "github.com/libp2p/go-libp2p-core/protocol"
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pubsub "github.com/libp2p/go-libp2p-pubsub"
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"github.com/multiformats/go-multiaddr"
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datatransfer "github.com/filecoin-project/go-data-transfer"
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filestore2 "github.com/filecoin-project/go-fil-markets/filestore"
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"github.com/filecoin-project/go-fil-markets/retrievalmarket"
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"github.com/filecoin-project/go-jsonrpc/auth"
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"github.com/filecoin-project/go-multistore"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/exitcode"
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"github.com/filecoin-project/lotus/api"
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apitypes "github.com/filecoin-project/lotus/api/types"
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"github.com/filecoin-project/lotus/api/v0api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/extern/sector-storage/sealtasks"
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"github.com/filecoin-project/lotus/extern/sector-storage/stores"
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"github.com/filecoin-project/lotus/extern/sector-storage/storiface"
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sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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var ExampleValues = map[reflect.Type]interface{}{
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reflect.TypeOf(auth.Permission("")): auth.Permission("write"),
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reflect.TypeOf(""): "string value",
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reflect.TypeOf(uint64(42)): uint64(42),
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reflect.TypeOf(byte(7)): byte(7),
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reflect.TypeOf([]byte{}): []byte("byte array"),
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}
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func addExample(v interface{}) {
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ExampleValues[reflect.TypeOf(v)] = v
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}
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func init() {
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c, err := cid.Decode("bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4")
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if err != nil {
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panic(err)
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}
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ExampleValues[reflect.TypeOf(c)] = c
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c2, err := cid.Decode("bafy2bzacebp3shtrn43k7g3unredz7fxn4gj533d3o43tqn2p2ipxxhrvchve")
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if err != nil {
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panic(err)
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}
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tsk := types.NewTipSetKey(c, c2)
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ExampleValues[reflect.TypeOf(tsk)] = tsk
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addr, err := address.NewIDAddress(1234)
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if err != nil {
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panic(err)
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}
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ExampleValues[reflect.TypeOf(addr)] = addr
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pid, err := peer.Decode("12D3KooWGzxzKZYveHXtpG6AsrUJBcWxHBFS2HsEoGTxrMLvKXtf")
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if err != nil {
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panic(err)
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}
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addExample(pid)
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addExample(&pid)
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multistoreIDExample := multistore.StoreID(50)
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addExample(bitfield.NewFromSet([]uint64{5}))
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addExample(abi.RegisteredSealProof_StackedDrg32GiBV1_1)
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addExample(abi.RegisteredPoStProof_StackedDrgWindow32GiBV1)
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addExample(abi.ChainEpoch(10101))
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addExample(crypto.SigTypeBLS)
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addExample(types.KTBLS)
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addExample(int64(9))
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addExample(12.3)
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addExample(123)
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addExample(uintptr(0))
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addExample(abi.MethodNum(1))
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addExample(exitcode.ExitCode(0))
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addExample(crypto.DomainSeparationTag_ElectionProofProduction)
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addExample(true)
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addExample(abi.UnpaddedPieceSize(1024))
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addExample(abi.UnpaddedPieceSize(1024).Padded())
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addExample(abi.DealID(5432))
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addExample(filestore.StatusFileChanged)
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addExample(abi.SectorNumber(9))
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addExample(abi.SectorSize(32 * 1024 * 1024 * 1024))
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addExample(api.MpoolChange(0))
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addExample(network.Connected)
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addExample(dtypes.NetworkName("lotus"))
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addExample(api.SyncStateStage(1))
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addExample(api.FullAPIVersion1)
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addExample(api.PCHInbound)
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addExample(time.Minute)
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addExample(datatransfer.TransferID(3))
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addExample(datatransfer.Ongoing)
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addExample(multistoreIDExample)
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addExample(&multistoreIDExample)
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addExample(retrievalmarket.ClientEventDealAccepted)
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addExample(retrievalmarket.DealStatusNew)
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addExample(network.ReachabilityPublic)
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addExample(build.NewestNetworkVersion)
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addExample(map[string]int{"name": 42})
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addExample(map[string]time.Time{"name": time.Unix(1615243938, 0).UTC()})
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addExample(&types.ExecutionTrace{
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Msg: ExampleValue("init", reflect.TypeOf(&types.Message{}), nil).(*types.Message),
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MsgRct: ExampleValue("init", reflect.TypeOf(&types.MessageReceipt{}), nil).(*types.MessageReceipt),
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})
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addExample(map[string]types.Actor{
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"t01236": ExampleValue("init", reflect.TypeOf(types.Actor{}), nil).(types.Actor),
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})
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addExample(map[string]api.MarketDeal{
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"t026363": ExampleValue("init", reflect.TypeOf(api.MarketDeal{}), nil).(api.MarketDeal),
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})
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addExample(map[string]api.MarketBalance{
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"t026363": ExampleValue("init", reflect.TypeOf(api.MarketBalance{}), nil).(api.MarketBalance),
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})
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addExample(map[string]*pubsub.TopicScoreSnapshot{
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"/blocks": {
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TimeInMesh: time.Minute,
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FirstMessageDeliveries: 122,
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MeshMessageDeliveries: 1234,
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InvalidMessageDeliveries: 3,
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},
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})
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addExample(map[string]metrics.Stats{
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"12D3KooWSXmXLJmBR1M7i9RW9GQPNUhZSzXKzxDHWtAgNuJAbyEJ": {
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RateIn: 100,
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RateOut: 50,
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TotalIn: 174000,
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TotalOut: 12500,
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},
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})
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addExample(map[protocol.ID]metrics.Stats{
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"/fil/hello/1.0.0": {
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RateIn: 100,
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RateOut: 50,
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TotalIn: 174000,
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TotalOut: 12500,
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},
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})
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maddr, err := multiaddr.NewMultiaddr("/ip4/52.36.61.156/tcp/1347/p2p/12D3KooWFETiESTf1v4PGUvtnxMAcEFMzLZbJGg4tjWfGEimYior")
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if err != nil {
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panic(err)
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}
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// because reflect.TypeOf(maddr) returns the concrete type...
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ExampleValues[reflect.TypeOf(struct{ A multiaddr.Multiaddr }{}).Field(0).Type] = maddr
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// miner specific
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addExample(filestore2.Path(".lotusminer/fstmp123"))
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si := multistore.StoreID(12)
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addExample(&si)
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addExample(retrievalmarket.DealID(5))
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addExample(abi.ActorID(1000))
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addExample(map[string][]api.SealedRef{
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"98000": {
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api.SealedRef{
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SectorID: 100,
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Offset: 10 << 20,
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Size: 1 << 20,
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},
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},
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})
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addExample(api.SectorState(sealing.Proving))
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addExample(stores.ID("76f1988b-ef30-4d7e-b3ec-9a627f4ba5a8"))
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addExample(storiface.FTUnsealed)
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addExample(storiface.PathSealing)
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addExample(map[stores.ID][]stores.Decl{
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"76f1988b-ef30-4d7e-b3ec-9a627f4ba5a8": {
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{
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SectorID: abi.SectorID{Miner: 1000, Number: 100},
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SectorFileType: storiface.FTSealed,
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},
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},
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})
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addExample(map[stores.ID]string{
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"76f1988b-ef30-4d7e-b3ec-9a627f4ba5a8": "/data/path",
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})
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addExample(map[uuid.UUID][]storiface.WorkerJob{
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uuid.MustParse("ef8d99a2-6865-4189-8ffa-9fef0f806eee"): {
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{
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ID: storiface.CallID{
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Sector: abi.SectorID{Miner: 1000, Number: 100},
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ID: uuid.MustParse("76081ba0-61bd-45a5-bc08-af05f1c26e5d"),
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},
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Sector: abi.SectorID{Miner: 1000, Number: 100},
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Task: sealtasks.TTPreCommit2,
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RunWait: 0,
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Start: time.Unix(1605172927, 0).UTC(),
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Hostname: "host",
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},
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},
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})
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addExample(map[uuid.UUID]storiface.WorkerStats{
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uuid.MustParse("ef8d99a2-6865-4189-8ffa-9fef0f806eee"): {
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Info: storiface.WorkerInfo{
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Hostname: "host",
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Resources: storiface.WorkerResources{
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MemPhysical: 256 << 30,
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MemSwap: 120 << 30,
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MemReserved: 2 << 30,
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CPUs: 64,
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GPUs: []string{"aGPU 1337"},
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},
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},
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Enabled: true,
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MemUsedMin: 0,
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MemUsedMax: 0,
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GpuUsed: false,
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CpuUse: 0,
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},
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})
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addExample(storiface.ErrorCode(0))
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addExample(map[abi.SectorNumber]string{
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123: "can't acquire read lock",
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})
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addExample(map[api.SectorState]int{
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api.SectorState(sealing.Proving): 120,
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})
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addExample([]abi.SectorNumber{123, 124})
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// worker specific
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addExample(storiface.AcquireMove)
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addExample(storiface.UnpaddedByteIndex(abi.PaddedPieceSize(1 << 20).Unpadded()))
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addExample(map[sealtasks.TaskType]struct{}{
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sealtasks.TTPreCommit2: {},
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})
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addExample(sealtasks.TTCommit2)
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addExample(apitypes.OpenRPCDocument{
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"openrpc": "1.2.6",
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"info": map[string]interface{}{
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"title": "Lotus RPC API",
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"version": "1.2.1/generated=2020-11-22T08:22:42-06:00",
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},
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"methods": []interface{}{}},
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)
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addExample(api.CheckStatusCode(0))
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addExample(map[string]interface{}{"abc": 123})
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}
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func GetAPIType(name, pkg string) (i interface{}, t reflect.Type, permStruct []reflect.Type) {
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switch pkg {
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case "api": // latest
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switch name {
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case "FullNode":
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i = &api.FullNodeStruct{}
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t = reflect.TypeOf(new(struct{ api.FullNode })).Elem()
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permStruct = append(permStruct, reflect.TypeOf(api.FullNodeStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(api.CommonStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(api.NetStruct{}.Internal))
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case "StorageMiner":
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i = &api.StorageMinerStruct{}
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t = reflect.TypeOf(new(struct{ api.StorageMiner })).Elem()
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permStruct = append(permStruct, reflect.TypeOf(api.StorageMinerStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(api.CommonStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(api.NetStruct{}.Internal))
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case "Worker":
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i = &api.WorkerStruct{}
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t = reflect.TypeOf(new(struct{ api.Worker })).Elem()
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permStruct = append(permStruct, reflect.TypeOf(api.WorkerStruct{}.Internal))
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default:
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panic("unknown type")
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}
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case "v0api":
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switch name {
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case "FullNode":
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i = v0api.FullNodeStruct{}
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t = reflect.TypeOf(new(struct{ v0api.FullNode })).Elem()
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permStruct = append(permStruct, reflect.TypeOf(v0api.FullNodeStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(v0api.CommonStruct{}.Internal))
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permStruct = append(permStruct, reflect.TypeOf(v0api.NetStruct{}.Internal))
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default:
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panic("unknown type")
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}
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}
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return
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}
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func ExampleValue(method string, t, parent reflect.Type) interface{} {
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v, ok := ExampleValues[t]
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if ok {
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return v
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}
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switch t.Kind() {
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case reflect.Slice:
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out := reflect.New(t).Elem()
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reflect.Append(out, reflect.ValueOf(ExampleValue(method, t.Elem(), t)))
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return out.Interface()
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case reflect.Chan:
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return ExampleValue(method, t.Elem(), nil)
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case reflect.Struct:
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es := exampleStruct(method, t, parent)
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v := reflect.ValueOf(es).Elem().Interface()
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ExampleValues[t] = v
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return v
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case reflect.Array:
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out := reflect.New(t).Elem()
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for i := 0; i < t.Len(); i++ {
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out.Index(i).Set(reflect.ValueOf(ExampleValue(method, t.Elem(), t)))
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}
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return out.Interface()
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case reflect.Ptr:
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if t.Elem().Kind() == reflect.Struct {
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es := exampleStruct(method, t.Elem(), t)
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//ExampleValues[t] = es
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return es
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}
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case reflect.Interface:
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return struct{}{}
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}
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panic(fmt.Sprintf("No example value for type: %s (method '%s')", t, method))
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}
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func exampleStruct(method string, t, parent reflect.Type) interface{} {
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ns := reflect.New(t)
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for i := 0; i < t.NumField(); i++ {
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f := t.Field(i)
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if f.Type == parent {
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continue
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}
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if strings.Title(f.Name) == f.Name {
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ns.Elem().Field(i).Set(reflect.ValueOf(ExampleValue(method, f.Type, t)))
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}
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}
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return ns.Interface()
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}
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type Visitor struct {
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Root string
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Methods map[string]ast.Node
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}
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func (v *Visitor) Visit(node ast.Node) ast.Visitor {
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st, ok := node.(*ast.TypeSpec)
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if !ok {
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return v
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}
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if st.Name.Name != v.Root {
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return nil
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}
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iface := st.Type.(*ast.InterfaceType)
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for _, m := range iface.Methods.List {
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if len(m.Names) > 0 {
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v.Methods[m.Names[0].Name] = m
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}
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}
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return v
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}
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const NoComment = "There are not yet any comments for this method."
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func ParseApiASTInfo(apiFile, iface, pkg, dir string) (comments map[string]string, groupDocs map[string]string) { //nolint:golint
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fset := token.NewFileSet()
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apiDir, err := filepath.Abs(dir)
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if err != nil {
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fmt.Println("./api filepath absolute error: ", err)
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return
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}
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apiFile, err = filepath.Abs(apiFile)
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if err != nil {
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fmt.Println("filepath absolute error: ", err, "file:", apiFile)
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return
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}
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pkgs, err := parser.ParseDir(fset, apiDir, nil, parser.AllErrors|parser.ParseComments)
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if err != nil {
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fmt.Println("parse error: ", err)
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return
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}
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ap := pkgs[pkg]
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f := ap.Files[apiFile]
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cmap := ast.NewCommentMap(fset, f, f.Comments)
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v := &Visitor{iface, make(map[string]ast.Node)}
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ast.Walk(v, ap)
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comments = make(map[string]string)
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groupDocs = make(map[string]string)
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for mn, node := range v.Methods {
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filteredComments := cmap.Filter(node).Comments()
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if len(filteredComments) == 0 {
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comments[mn] = NoComment
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} else {
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for _, c := range filteredComments {
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if strings.HasPrefix(c.Text(), "MethodGroup:") {
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parts := strings.Split(c.Text(), "\n")
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groupName := strings.TrimSpace(parts[0][12:])
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comment := strings.Join(parts[1:], "\n")
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groupDocs[groupName] = comment
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break
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}
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}
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l := len(filteredComments) - 1
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if len(filteredComments) > 1 {
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l = len(filteredComments) - 2
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}
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last := filteredComments[l].Text()
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if !strings.HasPrefix(last, "MethodGroup:") {
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comments[mn] = last
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} else {
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comments[mn] = NoComment
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}
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}
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}
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return comments, groupDocs
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}
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type MethodGroup struct {
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GroupName string
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Header string
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Methods []*Method
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}
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type Method struct {
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Comment string
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Name string
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InputExample string
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ResponseExample string
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}
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func MethodGroupFromName(mn string) string {
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i := strings.IndexFunc(mn[1:], func(r rune) bool {
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return unicode.IsUpper(r)
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})
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if i < 0 {
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return ""
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}
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return mn[:i+1]
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}
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