x/tools/gopls: incorrect document outline for structs

@RaymondNY thanks for the report. That's really strange!

@stamblerre @findleyr I could reproduce this too.

Repro: open a project that imports context package. Follow definition and open the context package's context.go.

gopls trace

``` [Trace - 19:41:45.889 PM] Sending request 'initialize - (0)'. Params: {"processId":64477,"clientInfo":{"name":"Visual Studio Code","version":"1.57.1"},"locale":"en-us","rootPath":"/Users/hakim/projects/google/tools","rootUri":"file:///Users/hakim/projects/google/tools","capabilities":{"workspace":{"applyEdit":true,"workspaceEdit":{"documentChanges":true,"resourceOperations":["create","rename","delete"],"failureHandling":"textOnlyTransactional","normalizesLineEndings":true,"changeAnnotationSupport":{"groupsOnLabel":true}},"didChangeConfiguration":{"dynamicRegistration":true},"didChangeWatchedFiles":{"dynamicRegistration":true},"symbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"tagSupport":{"valueSet":[1]}},"codeLens":{"refreshSupport":true},"executeCommand":{"dynamicRegistration":true},"configuration":true,"workspaceFolders":true,"semanticTokens":{"refreshSupport":true},"fileOperations":{"dynamicRegistration":true,"didCreate":true,"didRename":true,"didDelete":true,"willCreate":true,"willRename":true,"willDelete":true}},"textDocument":{"publishDiagnostics":{"relatedInformation":true,"versionSupport":false,"tagSupport":{"valueSet":[1,2]},"codeDescriptionSupport":true,"dataSupport":true},"synchronization":{"dynamicRegistration":true,"willSave":true,"willSaveWaitUntil":true,"didSave":true},"completion":{"dynamicRegistration":true,"contextSupport":true,"completionItem":{"snippetSupport":true,"commitCharactersSupport":true,"documentationFormat":["markdown","plaintext"],"deprecatedSupport":true,"preselectSupport":true,"tagSupport":{"valueSet":[1]},"insertReplaceSupport":true,"resolveSupport":{"properties":["documentation","detail","additionalTextEdits"]},"insertTextModeSupport":{"valueSet":[1,2]}},"completionItemKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25]}},"hover":{"dynamicRegistration":true,"contentFormat":["markdown","plaintext"]},"signatureHelp":{"dynamicRegistration":true,"signatureInformation":{"documentationFormat":["markdown","plaintext"],"parameterInformation":{"labelOffsetSupport":true},"activeParameterSupport":true},"contextSupport":true},"definition":{"dynamicRegistration":true,"linkSupport":true},"references":{"dynamicRegistration":true},"documentHighlight":{"dynamicRegistration":true},"documentSymbol":{"dynamicRegistration":true,"symbolKind":{"valueSet":[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]},"hierarchicalDocumentSymbolSupport":true,"tagSupport":{"valueSet":[1]},"labelSupport":true},"codeAction":{"dynamicRegistration":true,"isPreferredSupport":true,"disabledSupport":true,"dataSupport":true,"resolveSupport":{"properties":["edit"]},"codeActionLiteralSupport":{"codeActionKind":{"valueSet":["","quickfix","refactor","refactor.extract","refactor.inline","refactor.rewrite","source","source.organizeImports"]}},"honorsChangeAnnotations":false},"codeLens":{"dynamicRegistration":true},"formatting":{"dynamicRegistration":true},"rangeFormatting":{"dynamicRegistration":true},"onTypeFormatting":{"dynamicRegistration":true},"rename":{"dynamicRegistration":true,"prepareSupport":true,"prepareSupportDefaultBehavior":1,"honorsChangeAnnotations":true},"documentLink":{"dynamicRegistration":true,"tooltipSupport":true},"typeDefinition":{"dynamicRegistration":true,"linkSupport":true},"implementation":{"dynamicRegistration":true,"linkSupport":true},"colorProvider":{"dynamicRegistration":true},"foldingRange":{"dynamicRegistration":true,"rangeLimit":5000,"lineFoldingOnly":true},"declaration":{"dynamicRegistration":true,"linkSupport":true},"selectionRange":{"dynamicRegistration":true},"callHierarchy":{"dynamicRegistration":true},"semanticTokens":{"dynamicRegistration":true,"tokenTypes":["namespace","type","class","enum","interface","struct","typeParameter","parameter","variable","property","enumMember","event","function","method","macro","keyword","modifier","comment","string","number","regexp","operator"],"tokenModifiers":["declaration","definition","readonly","static","deprecated","abstract","async","modification","documentation","defaultLibrary"],"formats":["relative"],"requests":{"range":true,"full":{"delta":true}},"multilineTokenSupport":false,"overlappingTokenSupport":false},"linkedEditingRange":{"dynamicRegistration":true}},"window":{"showMessage":{"messageActionItem":{"additionalPropertiesSupport":true}},"showDocument":{"support":true},"workDoneProgress":true},"general":{"regularExpressions":{"engine":"ECMAScript","version":"ES2020"},"markdown":{"parser":"marked","version":"1.1.0"}}},"initializationOptions":{"build.experimentalWorkspaceModule":true,"allExperiments":true},"trace":"off","workspaceFolders":[{"uri":"file:///Users/hakim/projects/google/tools","name":"tools"}]} [Trace - 19:41:45.891 PM] Received response 'initialize - (0)' in 1ms. Result: {"capabilities":{"textDocumentSync":{"openClose":true,"change":2,"save":{}},"completionProvider":{"triggerCharacters":["."],"completionItem":{}},"hoverProvider":true,"signatureHelpProvider":{"triggerCharacters":["(",","]},"definitionProvider":true,"typeDefinitionProvider":true,"implementationProvider":true,"referencesProvider":true,"documentHighlightProvider":true,"documentSymbolProvider":true,"codeActionProvider":{"codeActionKinds":["quickfix","refactor.extract","refactor.rewrite","source.fixAll","source.organizeImports"]},"codeLensProvider":{},"documentLinkProvider":{},"workspaceSymbolProvider":true,"documentFormattingProvider":true,"documentOnTypeFormattingProvider":{"firstTriggerCharacter":""},"renameProvider":{"prepareProvider":true},"foldingRangeProvider":true,"executeCommandProvider":{"commands":["gopls.add_dependency","gopls.add_import","gopls.apply_fix","gopls.check_upgrades","gopls.gc_details","gopls.generate","gopls.generate_gopls_mod","gopls.go_get_package","gopls.list_known_packages","gopls.regenerate_cgo","gopls.remove_dependency","gopls.run_tests","gopls.start_debugging","gopls.test","gopls.tidy","gopls.toggle_gc_details","gopls.update_go_sum","gopls.upgrade_dependency","gopls.vendor","gopls.workspace_metadata"]},"callHierarchyProvider":true,"workspace":{"workspaceFolders":{"supported":true,"changeNotifications":"workspace/didChangeWorkspaceFolders"}}},"serverInfo":{"name":"gopls","version":"{\"path\":\"golang.org/x/tools/gopls\",\"version\":\"v0.7.0\",\"sum\":\"h1:JQBHW81Gsyim6iDjUwGoPeSpXrSqwen3isPJLfDfaYU=\",\"deps\":[{\"path\":\"github.com/BurntSushi/toml\",\"version\":\"v0.3.1\",\"sum\":\"h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=\"},{\"path\":\"github.com/google/go-cmp\",\"version\":\"v0.5.5\",\"sum\":\"h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=\"},{\"path\":\"github.com/sergi/go-diff\",\"version\":\"v1.1.0\",\"sum\":\"h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=\"},{\"path\":\"golang.org/x/mod\",\"version\":\"v0.4.2\",\"sum\":\"h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=\"},{\"path\":\"golang.org/x/sync\",\"version\":\"v0.0.0-20210220032951-036812b2e83c\",\"sum\":\"h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=\"},{\"path\":\"golang.org/x/sys\",\"version\":\"v0.0.0-20210510120138-977fb7262007\",\"sum\":\"h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=\"},{\"path\":\"golang.org/x/tools\",\"version\":\"v0.1.3-0.20210608163600-9ed039809d4c\",\"sum\":\"h1:Pv9gNyJFYVdpUAVZYJ1BDSU4eGgXQ+0f3DIGAdolO5s=\"},{\"path\":\"golang.org/x/xerrors\",\"version\":\"v0.0.0-20200804184101-5ec99f83aff1\",\"sum\":\"h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=\"},{\"path\":\"honnef.co/go/tools\",\"version\":\"v0.2.0\",\"sum\":\"h1:ws8AfbgTX3oIczLPNPCu5166oBg9ST2vNs0rcht+mDE=\"},{\"path\":\"mvdan.cc/gofumpt\",\"version\":\"v0.1.1\",\"sum\":\"h1:bi/1aS/5W00E2ny5q65w9SnKpWEF/UIOqDYBILpo9rA=\"},{\"path\":\"mvdan.cc/xurls/v2\",\"version\":\"v2.2.0\",\"sum\":\"h1:NSZPykBXJFCetGZykLAxaL6SIpvbVy/UFEniIfHAa8A=\"}]}"}} [Trace - 19:41:45.945 PM] Sending notification 'initialized'. Params: {} [Trace - 19:41:45.945 PM] Received request 'window/workDoneProgress/create - (1)'. Params: {"token":"5577006791947779410"} [Trace - 19:41:45.959 PM] Sending notification 'textDocument/didOpen'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go","languageId":"go","version":1,"text":"// Copyright 2014 The Go Authors. All rights reserved.\n// Use of this source code is governed by a BSD-style\n// license that can be found in the LICENSE file.\n\n// Package context defines the Context type, which carries deadlines,\n// cancellation signals, and other request-scoped values across API boundaries\n// and between processes.\n//\n// Incoming requests to a server should create a Context, and outgoing\n// calls to servers should accept a Context. The chain of function\n// calls between them must propagate the Context, optionally replacing\n// it with a derived Context created using WithCancel, WithDeadline,\n// WithTimeout, or WithValue. When a Context is canceled, all\n// Contexts derived from it are also canceled.\n//\n// The WithCancel, WithDeadline, and WithTimeout functions take a\n// Context (the parent) and return a derived Context (the child) and a\n// CancelFunc. Calling the CancelFunc cancels the child and its\n// children, removes the parent's reference to the child, and stops\n// any associated timers. Failing to call the CancelFunc leaks the\n// child and its children until the parent is canceled or the timer\n// fires. The go vet tool checks that CancelFuncs are used on all\n// control-flow paths.\n//\n// Programs that use Contexts should follow these rules to keep interfaces\n// consistent across packages and enable static analysis tools to check context\n// propagation:\n//\n// Do not store Contexts inside a struct type; instead, pass a Context\n// explicitly to each function that needs it. The Context should be the first\n// parameter, typically named ctx:\n//\n// \tfunc DoSomething(ctx context.Context, arg Arg) error {\n// \t\t// ... use ctx ...\n// \t}\n//\n// Do not pass a nil Context, even if a function permits it. Pass context.TODO\n// if you are unsure about which Context to use.\n//\n// Use context Values only for request-scoped data that transits processes and\n// APIs, not for passing optional parameters to functions.\n//\n// The same Context may be passed to functions running in different goroutines;\n// Contexts are safe for simultaneous use by multiple goroutines.\n//\n// See https://blog.golang.org/context for example code for a server that uses\n// Contexts.\npackage context\n\nimport (\n\t\"errors\"\n\t\"internal/reflectlite\"\n\t\"sync\"\n\t\"sync/atomic\"\n\t\"time\"\n)\n\n// A Context carries a deadline, a cancellation signal, and other values across\n// API boundaries.\n//\n// Context's methods may be called by multiple goroutines simultaneously.\ntype Context interface {\n\t// Deadline returns the time when work done on behalf of this context\n\t// should be canceled. Deadline returns ok==false when no deadline is\n\t// set. Successive calls to Deadline return the same results.\n\tDeadline() (deadline time.Time, ok bool)\n\n\t// Done returns a channel that's closed when work done on behalf of this\n\t// context should be canceled. Done may return nil if this context can\n\t// never be canceled. Successive calls to Done return the same value.\n\t// The close of the Done channel may happen asynchronously,\n\t// after the cancel function returns.\n\t//\n\t// WithCancel arranges for Done to be closed when cancel is called;\n\t// WithDeadline arranges for Done to be closed when the deadline\n\t// expires; WithTimeout arranges for Done to be closed when the timeout\n\t// elapses.\n\t//\n\t// Done is provided for use in select statements:\n\t//\n\t// // Stream generates values with DoSomething and sends them to out\n\t// // until DoSomething returns an error or ctx.Done is closed.\n\t// func Stream(ctx context.Context, out chan<- Value) error {\n\t// \tfor {\n\t// \t\tv, err := DoSomething(ctx)\n\t// \t\tif err != nil {\n\t// \t\t\treturn err\n\t// \t\t}\n\t// \t\tselect {\n\t// \t\tcase <-ctx.Done():\n\t// \t\t\treturn ctx.Err()\n\t// \t\tcase out <- v:\n\t// \t\t}\n\t// \t}\n\t// }\n\t//\n\t// See https://blog.golang.org/pipelines for more examples of how to use\n\t// a Done channel for cancellation.\n\tDone() <-chan struct{}\n\n\t// If Done is not yet closed, Err returns nil.\n\t// If Done is closed, Err returns a non-nil error explaining why:\n\t// Canceled if the context was canceled\n\t// or DeadlineExceeded if the context's deadline passed.\n\t// After Err returns a non-nil error, successive calls to Err return the same error.\n\tErr() error\n\n\t// Value returns the value associated with this context for key, or nil\n\t// if no value is associated with key. Successive calls to Value with\n\t// the same key returns the same result.\n\t//\n\t// Use context values only for request-scoped data that transits\n\t// processes and API boundaries, not for passing optional parameters to\n\t// functions.\n\t//\n\t// A key identifies a specific value in a Context. Functions that wish\n\t// to store values in Context typically allocate a key in a global\n\t// variable then use that key as the argument to context.WithValue and\n\t// Context.Value. A key can be any type that supports equality;\n\t// packages should define keys as an unexported type to avoid\n\t// collisions.\n\t//\n\t// Packages that define a Context key should provide type-safe accessors\n\t// for the values stored using that key:\n\t//\n\t// \t// Package user defines a User type that's stored in Contexts.\n\t// \tpackage user\n\t//\n\t// \timport \"context\"\n\t//\n\t// \t// User is the type of value stored in the Contexts.\n\t// \ttype User struct {...}\n\t//\n\t// \t// key is an unexported type for keys defined in this package.\n\t// \t// This prevents collisions with keys defined in other packages.\n\t// \ttype key int\n\t//\n\t// \t// userKey is the key for user.User values in Contexts. It is\n\t// \t// unexported; clients use user.NewContext and user.FromContext\n\t// \t// instead of using this key directly.\n\t// \tvar userKey key\n\t//\n\t// \t// NewContext returns a new Context that carries value u.\n\t// \tfunc NewContext(ctx context.Context, u *User) context.Context {\n\t// \t\treturn context.WithValue(ctx, userKey, u)\n\t// \t}\n\t//\n\t// \t// FromContext returns the User value stored in ctx, if any.\n\t// \tfunc FromContext(ctx context.Context) (*User, bool) {\n\t// \t\tu, ok := ctx.Value(userKey).(*User)\n\t// \t\treturn u, ok\n\t// \t}\n\tValue(key interface{}) interface{}\n}\n\n// Canceled is the error returned by Context.Err when the context is canceled.\nvar Canceled = errors.New(\"context canceled\")\n\n// DeadlineExceeded is the error returned by Context.Err when the context's\n// deadline passes.\nvar DeadlineExceeded error = deadlineExceededError{}\n\ntype deadlineExceededError struct{}\n\nfunc (deadlineExceededError) Error() string { return \"context deadline exceeded\" }\nfunc (deadlineExceededError) Timeout() bool { return true }\nfunc (deadlineExceededError) Temporary() bool { return true }\n\n// An emptyCtx is never canceled, has no values, and has no deadline. It is not\n// struct{}, since vars of this type must have distinct addresses.\ntype emptyCtx int\n\nfunc (*emptyCtx) Deadline() (deadline time.Time, ok bool) {\n\treturn\n}\n\nfunc (*emptyCtx) Done() <-chan struct{} {\n\treturn nil\n}\n\nfunc (*emptyCtx) Err() error {\n\treturn nil\n}\n\nfunc (*emptyCtx) Value(key interface{}) interface{} {\n\treturn nil\n}\n\nfunc (e *emptyCtx) String() string {\n\tswitch e {\n\tcase background:\n\t\treturn \"context.Background\"\n\tcase todo:\n\t\treturn \"context.TODO\"\n\t}\n\treturn \"unknown empty Context\"\n}\n\nvar (\n\tbackground = new(emptyCtx)\n\ttodo = new(emptyCtx)\n)\n\n// Background returns a non-nil, empty Context. It is never canceled, has no\n// values, and has no deadline. It is typically used by the main function,\n// initialization, and tests, and as the top-level Context for incoming\n// requests.\nfunc Background() Context {\n\treturn background\n}\n\n// TODO returns a non-nil, empty Context. Code should use context.TODO when\n// it's unclear which Context to use or it is not yet available (because the\n// surrounding function has not yet been extended to accept a Context\n// parameter).\nfunc TODO() Context {\n\treturn todo\n}\n\n// A CancelFunc tells an operation to abandon its work.\n// A CancelFunc does not wait for the work to stop.\n// A CancelFunc may be called by multiple goroutines simultaneously.\n// After the first call, subsequent calls to a CancelFunc do nothing.\ntype CancelFunc func()\n\n// WithCancel returns a copy of parent with a new Done channel. The returned\n// context's Done channel is closed when the returned cancel function is called\n// or when the parent context's Done channel is closed, whichever happens first.\n//\n// Canceling this context releases resources associated with it, so code should\n// call cancel as soon as the operations running in this Context complete.\nfunc WithCancel(parent Context) (ctx Context, cancel CancelFunc) {\n\tif parent == nil {\n\t\tpanic(\"cannot create context from nil parent\")\n\t}\n\tc := newCancelCtx(parent)\n\tpropagateCancel(parent, &c)\n\treturn &c, func() { c.cancel(true, Canceled) }\n}\n\n// newCancelCtx returns an initialized cancelCtx.\nfunc newCancelCtx(parent Context) cancelCtx {\n\treturn cancelCtx{Context: parent}\n}\n\n// goroutines counts the number of goroutines ever created; for testing.\nvar goroutines int32\n\n// propagateCancel arranges for child to be canceled when parent is.\nfunc propagateCancel(parent Context, child canceler) {\n\tdone := parent.Done()\n\tif done == nil {\n\t\treturn // parent is never canceled\n\t}\n\n\tselect {\n\tcase <-done:\n\t\t// parent is already canceled\n\t\tchild.cancel(false, parent.Err())\n\t\treturn\n\tdefault:\n\t}\n\n\tif p, ok := parentCancelCtx(parent); ok {\n\t\tp.mu.Lock()\n\t\tif p.err != nil {\n\t\t\t// parent has already been canceled\n\t\t\tchild.cancel(false, p.err)\n\t\t} else {\n\t\t\tif p.children == nil {\n\t\t\t\tp.children = make(map[canceler]struct{})\n\t\t\t}\n\t\t\tp.children[child] = struct{}{}\n\t\t}\n\t\tp.mu.Unlock()\n\t} else {\n\t\tatomic.AddInt32(&goroutines, +1)\n\t\tgo func() {\n\t\t\tselect {\n\t\t\tcase <-parent.Done():\n\t\t\t\tchild.cancel(false, parent.Err())\n\t\t\tcase <-child.Done():\n\t\t\t}\n\t\t}()\n\t}\n}\n\n// &cancelCtxKey is the key that a cancelCtx returns itself for.\nvar cancelCtxKey int\n\n// parentCancelCtx returns the underlying *cancelCtx for parent.\n// It does this by looking up parent.Value(&cancelCtxKey) to find\n// the innermost enclosing *cancelCtx and then checking whether\n// parent.Done() matches that *cancelCtx. (If not, the *cancelCtx\n// has been wrapped in a custom implementation providing a\n// different done channel, in which case we should not bypass it.)\nfunc parentCancelCtx(parent Context) (*cancelCtx, bool) {\n\tdone := parent.Done()\n\tif done == closedchan || done == nil {\n\t\treturn nil, false\n\t}\n\tp, ok := parent.Value(&cancelCtxKey).(*cancelCtx)\n\tif !ok {\n\t\treturn nil, false\n\t}\n\tp.mu.Lock()\n\tok = p.done == done\n\tp.mu.Unlock()\n\tif !ok {\n\t\treturn nil, false\n\t}\n\treturn p, true\n}\n\n// removeChild removes a context from its parent.\nfunc removeChild(parent Context, child canceler) {\n\tp, ok := parentCancelCtx(parent)\n\tif !ok {\n\t\treturn\n\t}\n\tp.mu.Lock()\n\tif p.children != nil {\n\t\tdelete(p.children, child)\n\t}\n\tp.mu.Unlock()\n}\n\n// A canceler is a context type that can be canceled directly. The\n// implementations are *cancelCtx and *timerCtx.\ntype canceler interface {\n\tcancel(removeFromParent bool, err error)\n\tDone() <-chan struct{}\n}\n\n// closedchan is a reusable closed channel.\nvar closedchan = make(chan struct{})\n\nfunc init() {\n\tclose(closedchan)\n}\n\n// A cancelCtx can be canceled. When canceled, it also cancels any children\n// that implement canceler.\ntype cancelCtx struct {\n\tContext\n\n\tmu sync.Mutex // protects following fields\n\tdone chan struct{} // created lazily, closed by first cancel call\n\tchildren map[canceler]struct{} // set to nil by the first cancel call\n\terr error // set to non-nil by the first cancel call\n}\n\nfunc (c *cancelCtx) Value(key interface{}) interface{} {\n\tif key == &cancelCtxKey {\n\t\treturn c\n\t}\n\treturn c.Context.Value(key)\n}\n\nfunc (c *cancelCtx) Done() <-chan struct{} {\n\tc.mu.Lock()\n\tif c.done == nil {\n\t\tc.done = make(chan struct{})\n\t}\n\td := c.done\n\tc.mu.Unlock()\n\treturn d\n}\n\nfunc (c *cancelCtx) Err() error {\n\tc.mu.Lock()\n\terr := c.err\n\tc.mu.Unlock()\n\treturn err\n}\n\ntype stringer interface {\n\tString() string\n}\n\nfunc contextName(c Context) string {\n\tif s, ok := c.(stringer); ok {\n\t\treturn s.String()\n\t}\n\treturn reflectlite.TypeOf(c).String()\n}\n\nfunc (c *cancelCtx) String() string {\n\treturn contextName(c.Context) + \".WithCancel\"\n}\n\n// cancel closes c.done, cancels each of c's children, and, if\n// removeFromParent is true, removes c from its parent's children.\nfunc (c *cancelCtx) cancel(removeFromParent bool, err error) {\n\tif err == nil {\n\t\tpanic(\"context: internal error: missing cancel error\")\n\t}\n\tc.mu.Lock()\n\tif c.err != nil {\n\t\tc.mu.Unlock()\n\t\treturn // already canceled\n\t}\n\tc.err = err\n\tif c.done == nil {\n\t\tc.done = closedchan\n\t} else {\n\t\tclose(c.done)\n\t}\n\tfor child := range c.children {\n\t\t// NOTE: acquiring the child's lock while holding parent's lock.\n\t\tchild.cancel(false, err)\n\t}\n\tc.children = nil\n\tc.mu.Unlock()\n\n\tif removeFromParent {\n\t\tremoveChild(c.Context, c)\n\t}\n}\n\n// WithDeadline returns a copy of the parent context with the deadline adjusted\n// to be no later than d. If the parent's deadline is already earlier than d,\n// WithDeadline(parent, d) is semantically equivalent to parent. The returned\n// context's Done channel is closed when the deadline expires, when the returned\n// cancel function is called, or when the parent context's Done channel is\n// closed, whichever happens first.\n//\n// Canceling this context releases resources associated with it, so code should\n// call cancel as soon as the operations running in this Context complete.\nfunc WithDeadline(parent Context, d time.Time) (Context, CancelFunc) {\n\tif parent == nil {\n\t\tpanic(\"cannot create context from nil parent\")\n\t}\n\tif cur, ok := parent.Deadline(); ok && cur.Before(d) {\n\t\t// The current deadline is already sooner than the new one.\n\t\treturn WithCancel(parent)\n\t}\n\tc := &timerCtx{\n\t\tcancelCtx: newCancelCtx(parent),\n\t\tdeadline: d,\n\t}\n\tpropagateCancel(parent, c)\n\tdur := time.Until(d)\n\tif dur <= 0 {\n\t\tc.cancel(true, DeadlineExceeded) // deadline has already passed\n\t\treturn c, func() { c.cancel(false, Canceled) }\n\t}\n\tc.mu.Lock()\n\tdefer c.mu.Unlock()\n\tif c.err == nil {\n\t\tc.timer = time.AfterFunc(dur, func() {\n\t\t\tc.cancel(true, DeadlineExceeded)\n\t\t})\n\t}\n\treturn c, func() { c.cancel(true, Canceled) }\n}\n\n// A timerCtx carries a timer and a deadline. It embeds a cancelCtx to\n// implement Done and Err. It implements cancel by stopping its timer then\n// delegating to cancelCtx.cancel.\ntype timerCtx struct {\n\tcancelCtx\n\ttimer *time.Timer // Under cancelCtx.mu.\n\n\tdeadline time.Time\n}\n\nfunc (c *timerCtx) Deadline() (deadline time.Time, ok bool) {\n\treturn c.deadline, true\n}\n\nfunc (c *timerCtx) String() string {\n\treturn contextName(c.cancelCtx.Context) + \".WithDeadline(\" +\n\t\tc.deadline.String() + \" [\" +\n\t\ttime.Until(c.deadline).String() + \"])\"\n}\n\nfunc (c *timerCtx) cancel(removeFromParent bool, err error) {\n\tc.cancelCtx.cancel(false, err)\n\tif removeFromParent {\n\t\t// Remove this timerCtx from its parent cancelCtx's children.\n\t\tremoveChild(c.cancelCtx.Context, c)\n\t}\n\tc.mu.Lock()\n\tif c.timer != nil {\n\t\tc.timer.Stop()\n\t\tc.timer = nil\n\t}\n\tc.mu.Unlock()\n}\n\n// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)).\n//\n// Canceling this context releases resources associated with it, so code should\n// call cancel as soon as the operations running in this Context complete:\n//\n// \tfunc slowOperationWithTimeout(ctx context.Context) (Result, error) {\n// \t\tctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond)\n// \t\tdefer cancel() // releases resources if slowOperation completes before timeout elapses\n// \t\treturn slowOperation(ctx)\n// \t}\nfunc WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) {\n\treturn WithDeadline(parent, time.Now().Add(timeout))\n}\n\n// WithValue returns a copy of parent in which the value associated with key is\n// val.\n//\n// Use context Values only for request-scoped data that transits processes and\n// APIs, not for passing optional parameters to functions.\n//\n// The provided key must be comparable and should not be of type\n// string or any other built-in type to avoid collisions between\n// packages using context. Users of WithValue should define their own\n// types for keys. To avoid allocating when assigning to an\n// interface{}, context keys often have concrete type\n// struct{}. Alternatively, exported context key variables' static\n// type should be a pointer or interface.\nfunc WithValue(parent Context, key, val interface{}) Context {\n\tif parent == nil {\n\t\tpanic(\"cannot create context from nil parent\")\n\t}\n\tif key == nil {\n\t\tpanic(\"nil key\")\n\t}\n\tif !reflectlite.TypeOf(key).Comparable() {\n\t\tpanic(\"key is not comparable\")\n\t}\n\treturn &valueCtx{parent, key, val}\n}\n\n// A valueCtx carries a key-value pair. It implements Value for that key and\n// delegates all other calls to the embedded Context.\ntype valueCtx struct {\n\tContext\n\tkey, val interface{}\n}\n\n// stringify tries a bit to stringify v, without using fmt, since we don't\n// want context depending on the unicode tables. This is only used by\n// *valueCtx.String().\nfunc stringify(v interface{}) string {\n\tswitch s := v.(type) {\n\tcase stringer:\n\t\treturn s.String()\n\tcase string:\n\t\treturn s\n\t}\n\treturn \"\"\n}\n\nfunc (c *valueCtx) String() string {\n\treturn contextName(c.Context) + \".WithValue(type \" +\n\t\treflectlite.TypeOf(c.key).String() +\n\t\t\", val \" + stringify(c.val) + \")\"\n}\n\nfunc (c *valueCtx) Value(key interface{}) interface{} {\n\tif c.key == key {\n\t\treturn c.val\n\t}\n\treturn c.Context.Value(key)\n}\n"}} [Trace - 19:41:45.970 PM] Sending response 'window/workDoneProgress/create - (1)' in 24ms. Result: [Trace - 19:41:45.970 PM] Received notification '$/progress'. Params: {"token":"5577006791947779410","value":{"kind":"begin","title":"Setting up workspace","message":"Loading packages..."}} [Trace - 19:41:45.971 PM] Received request 'workspace/configuration - (2)'. Params: {"items":[{"scopeUri":"file:///Users/hakim/projects/google/tools","section":"gopls"}]} [Trace - 19:41:46.025 PM] Sending response 'workspace/configuration - (2)' in 54ms. Result: [{"build.experimentalWorkspaceModule":true,"allExperiments":true}] [Trace - 19:41:46.114 PM] Received notification 'window/logMessage'. Params: {"type":3,"message":"2021/06/25 19:41:46 go env for /Users/hakim/projects/google/tools\n(root /Users/hakim/projects/google/tools)\n(go version go version go1.16.4 darwin/amd64)\n(valid build configuration = true)\n(build flags: [])\nGOSUMDB=sum.golang.org\nGOCACHE=/Users/hakim/Library/Caches/go-build\nGOFLAGS=\nGONOPROXY=\nGOPROXY=https://proxy.golang.org,direct\nGO111MODULE=\nGOMOD=/Users/hakim/projects/google/tools/go.mod\nGOPATH=/Users/hakim/go\nGOPRIVATE=\nGOINSECURE=\nGOMODCACHE=/Users/hakim/go/pkg/mod\nGONOSUMDB=\nGOROOT=/usr/local/Cellar/go/1.16.4/libexec\n\n"} [Info - 7:41:46 PM] 2021/06/25 19:41:46 go env for /Users/hakim/projects/google/tools (root /Users/hakim/projects/google/tools) (go version go version go1.16.4 darwin/amd64) (valid build configuration = true) (build flags: []) GOSUMDB=sum.golang.org GOCACHE=/Users/hakim/Library/Caches/go-build GOFLAGS= GONOPROXY= GOPROXY=https://proxy.golang.org,direct GO111MODULE= GOMOD=/Users/hakim/projects/google/tools/go.mod GOPATH=/Users/hakim/go GOPRIVATE= GOINSECURE= GOMODCACHE=/Users/hakim/go/pkg/mod GONOSUMDB= GOROOT=/usr/local/Cellar/go/1.16.4/libexec [Trace - 19:41:46.263 PM] Sending request 'textDocument/documentSymbol - (1)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"}} [Trace - 19:41:46.263 PM] Sending request 'textDocument/codeAction - (2)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"},"range":{"start":{"line":47,"character":0},"end":{"line":47,"character":0}},"context":{"diagnostics":[]}} [Trace - 19:41:46.490 PM] Sending request 'textDocument/documentLink - (3)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"}} [Trace - 19:41:46.563 PM] Sending request 'textDocument/foldingRange - (4)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"}} [Trace - 19:41:46.564 PM] Sending request 'textDocument/codeLens - (5)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"}} [Trace - 19:41:46.708 PM] Sending notification '$/cancelRequest'. Params: {"id":5} [Trace - 19:41:46.966 PM] Sending request 'textDocument/codeLens - (6)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"}} [Trace - 19:41:47.632 PM] Received notification 'window/logMessage'. Params: {"type":3,"message":"2021/06/25 19:41:47 go/packages.Load\n\tsnapshot=0\n\tdirectory=/var/folders/bw/6r6k9d113sv1_vvzk_1kfxbm001py5/T/gopls-workspace-mod682852003\n\tquery=[builtin golang.org/x/tools/... golang.org/x/tools/gopls/...]\n\tpackages=545\n"} [Info - 7:41:47 PM] 2021/06/25 19:41:47 go/packages.Load snapshot=0 directory=/var/folders/bw/6r6k9d113sv1_vvzk_1kfxbm001py5/T/gopls-workspace-mod682852003 query=[builtin golang.org/x/tools/... golang.org/x/tools/gopls/...] packages=545 [Trace - 19:41:47.873 PM] Received notification '$/progress'. Params: {"token":"5577006791947779410","value":{"kind":"end","message":"Finished loading packages."}} [Trace - 19:41:47.890 PM] Received request 'client/registerCapability - (3)'. Params: {"registrations":[{"id":"workspace/didChangeWatchedFiles-0","method":"workspace/didChangeWatchedFiles","registerOptions":{"watchers":[{"globPattern":"**/*.{go,mod,sum}","kind":7},{"globPattern":"**/*.*tmpl","kind":7},{"globPattern":"{/Users/hakim/projects/google/tools/benchmark,/Users/hakim/projects/google/tools/benchmark/parse,/Users/hakim/projects/google/tools/blog,/Users/hakim/projects/google/tools/blog/atom,/Users/hakim/projects/google/tools/cmd,/Users/hakim/projects/google/tools/cmd/auth,/Users/hakim/projects/google/tools/cmd/auth/authtest,/Users/hakim/projects/google/tools/cmd/auth/cookieauth,/Users/hakim/projects/google/tools/cmd/auth/gitauth,/Users/hakim/projects/google/tools/cmd/auth/netrcauth,/Users/hakim/projects/google/tools/cmd/benchcmp,/Users/hakim/projects/google/tools/cmd/bundle,/Users/hakim/projects/google/tools/cmd/callgraph,/Users/hakim/projects/google/tools/cmd/compilebench,/Users/hakim/projects/google/tools/cmd/cover,/Users/hakim/projects/google/tools/cmd/digraph,/Users/hakim/projects/google/tools/cmd/eg,/Users/hakim/projects/google/tools/cmd/fiximports,/Users/hakim/projects/google/tools/cmd/getgo,/Users/hakim/projects/google/tools/cmd/getgo/server,/Users/hakim/projects/google/tools/cmd/go-contrib-init,/Users/hakim/projects/google/tools/cmd/godex,/Users/hakim/projects/google/tools/cmd/godoc,/Users/hakim/projects/google/tools/cmd/goimports,/Users/hakim/projects/google/tools/cmd/gomvpkg,/Users/hakim/projects/google/tools/cmd/gorename,/Users/hakim/projects/google/tools/cmd/gotype,/Users/hakim/projects/google/tools/cmd/goyacc,/Users/hakim/projects/google/tools/cmd/guru,/Users/hakim/projects/google/tools/cmd/guru/serial,/Users/hakim/projects/google/tools/cmd/html2article,/Users/hakim/projects/google/tools/cmd/present,/Users/hakim/projects/google/tools/cmd/present/templates,/Users/hakim/projects/google/tools/cmd/present2md,/Users/hakim/projects/google/tools/cmd/splitdwarf,/Users/hakim/projects/google/tools/cmd/splitdwarf/internal,/Users/hakim/projects/google/tools/cmd/splitdwarf/internal/macho,/Users/hakim/projects/google/tools/cmd/ssadump,/Users/hakim/projects/google/tools/cmd/stress,/Users/hakim/projects/google/tools/cmd/stringer,/Users/hakim/projects/google/tools/cmd/toolstash,/Users/hakim/projects/google/tools/container,/Users/hakim/projects/google/tools/container/intsets,/Users/hakim/projects/google/tools/copyright,/Users/hakim/projects/google/tools/cover,/Users/hakim/projects/google/tools/go,/Users/hakim/projects/google/tools/go/analysis,/Users/hakim/projects/google/tools/go/analysis/analysistest,/Users/hakim/projects/google/tools/go/analysis/internal,/Users/hakim/projects/google/tools/go/analysis/internal/analysisflags,/Users/hakim/projects/google/tools/go/analysis/internal/checker,/Users/hakim/projects/google/tools/go/analysis/internal/facts,/Users/hakim/projects/google/tools/go/analysis/multichecker,/Users/hakim/projects/google/tools/go/analysis/passes,/Users/hakim/projects/google/tools/go/analysis/passes/asmdecl,/Users/hakim/projects/google/tools/go/analysis/passes/assign,/Users/hakim/projects/google/tools/go/analysis/passes/atomic,/Users/hakim/projects/google/tools/go/analysis/passes/atomicalign,/Users/hakim/projects/google/tools/go/analysis/passes/bools,/Users/hakim/projects/google/tools/go/analysis/passes/buildssa,/Users/hakim/projects/google/tools/go/analysis/passes/buildtag,/Users/hakim/projects/google/tools/go/analysis/passes/cgocall,/Users/hakim/projects/google/tools/go/analysis/passes/composite,/Users/hakim/projects/google/tools/go/analysis/passes/copylock,/Users/hakim/projects/google/tools/go/analysis/passes/ctrlflow,/Users/hakim/projects/google/tools/go/analysis/passes/deepequalerrors,/Users/hakim/projects/google/tools/go/analysis/passes/errorsas,/Users/hakim/projects/google/tools/go/analysis/passes/fieldalignment,/Users/hakim/projects/google/tools/go/analysis/passes/fieldalignment/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/fieldalignment/cmd/fieldalignment,/Users/hakim/projects/google/tools/go/analysis/passes/findcall,/Users/hakim/projects/google/tools/go/analysis/passes/findcall/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/findcall/cmd/findcall,/Users/hakim/projects/google/tools/go/analysis/passes/framepointer,/Users/hakim/projects/google/tools/go/analysis/passes/httpresponse,/Users/hakim/projects/google/tools/go/analysis/passes/ifaceassert,/Users/hakim/projects/google/tools/go/analysis/passes/ifaceassert/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/ifaceassert/cmd/ifaceassert,/Users/hakim/projects/google/tools/go/analysis/passes/inspect,/Users/hakim/projects/google/tools/go/analysis/passes/internal,/Users/hakim/projects/google/tools/go/analysis/passes/internal/analysisutil,/Users/hakim/projects/google/tools/go/analysis/passes/loopclosure,/Users/hakim/projects/google/tools/go/analysis/passes/lostcancel,/Users/hakim/projects/google/tools/go/analysis/passes/lostcancel/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/lostcancel/cmd/lostcancel,/Users/hakim/projects/google/tools/go/analysis/passes/nilfunc,/Users/hakim/projects/google/tools/go/analysis/passes/nilness,/Users/hakim/projects/google/tools/go/analysis/passes/nilness/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/nilness/cmd/nilness,/Users/hakim/projects/google/tools/go/analysis/passes/pkgfact,/Users/hakim/projects/google/tools/go/analysis/passes/printf,/Users/hakim/projects/google/tools/go/analysis/passes/reflectvaluecompare,/Users/hakim/projects/google/tools/go/analysis/passes/shadow,/Users/hakim/projects/google/tools/go/analysis/passes/shadow/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/shadow/cmd/shadow,/Users/hakim/projects/google/tools/go/analysis/passes/shift,/Users/hakim/projects/google/tools/go/analysis/passes/sigchanyzer,/Users/hakim/projects/google/tools/go/analysis/passes/sortslice,/Users/hakim/projects/google/tools/go/analysis/passes/stdmethods,/Users/hakim/projects/google/tools/go/analysis/passes/stringintconv,/Users/hakim/projects/google/tools/go/analysis/passes/stringintconv/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/stringintconv/cmd/stringintconv,/Users/hakim/projects/google/tools/go/analysis/passes/structtag,/Users/hakim/projects/google/tools/go/analysis/passes/testinggoroutine,/Users/hakim/projects/google/tools/go/analysis/passes/tests,/Users/hakim/projects/google/tools/go/analysis/passes/unmarshal,/Users/hakim/projects/google/tools/go/analysis/passes/unmarshal/cmd,/Users/hakim/projects/google/tools/go/analysis/passes/unmarshal/cmd/unmarshal,/Users/hakim/projects/google/tools/go/analysis/passes/unreachable,/Users/hakim/projects/google/tools/go/analysis/passes/unsafeptr,/Users/hakim/projects/google/tools/go/analysis/passes/unusedresult,/Users/hakim/projects/google/tools/go/analysis/passes/unusedwrite,/Users/hakim/projects/google/tools/go/analysis/singlechecker,/Users/hakim/projects/google/tools/go/analysis/unitchecker,/Users/hakim/projects/google/tools/go/ast,/Users/hakim/projects/google/tools/go/ast/astutil,/Users/hakim/projects/google/tools/go/ast/inspector,/Users/hakim/projects/google/tools/go/buildutil,/Users/hakim/projects/google/tools/go/callgraph,/Users/hakim/projects/google/tools/go/callgraph/cha,/Users/hakim/projects/google/tools/go/callgraph/rta,/Users/hakim/projects/google/tools/go/callgraph/static,/Users/hakim/projects/google/tools/go/callgraph/vta,/Users/hakim/projects/google/tools/go/cfg,/Users/hakim/projects/google/tools/go/expect,/Users/hakim/projects/google/tools/go/gccgoexportdata,/Users/hakim/projects/google/tools/go/gcexportdata,/Users/hakim/projects/google/tools/go/internal,/Users/hakim/projects/google/tools/go/internal/cgo,/Users/hakim/projects/google/tools/go/internal/gccgoimporter,/Users/hakim/projects/google/tools/go/internal/gcimporter,/Users/hakim/projects/google/tools/go/internal/packagesdriver,/Users/hakim/projects/google/tools/go/loader,/Users/hakim/projects/google/tools/go/packages,/Users/hakim/projects/google/tools/go/packages/gopackages,/Users/hakim/projects/google/tools/go/packages/packagestest,/Users/hakim/projects/google/tools/go/pointer,/Users/hakim/projects/google/tools/go/ssa,/Users/hakim/projects/google/tools/go/ssa/interp,/Users/hakim/projects/google/tools/go/ssa/ssautil,/Users/hakim/projects/google/tools/go/types,/Users/hakim/projects/google/tools/go/types/objectpath,/Users/hakim/projects/google/tools/go/types/typeutil,/Users/hakim/projects/google/tools/go/vcs,/Users/hakim/projects/google/tools/godoc,/Users/hakim/projects/google/tools/godoc/analysis,/Users/hakim/projects/google/tools/godoc/redirect,/Users/hakim/projects/google/tools/godoc/static,/Users/hakim/projects/google/tools/godoc/util,/Users/hakim/projects/google/tools/godoc/vfs,/Users/hakim/projects/google/tools/godoc/vfs/gatefs,/Users/hakim/projects/google/tools/godoc/vfs/httpfs,/Users/hakim/projects/google/tools/godoc/vfs/mapfs,/Users/hakim/projects/google/tools/godoc/vfs/zipfs,/Users/hakim/projects/google/tools/gopls,/Users/hakim/projects/google/tools/gopls/doc,/Users/hakim/projects/google/tools/gopls/integration,/Users/hakim/projects/google/tools/gopls/integration/govim,/Users/hakim/projects/google/tools/gopls/internal,/Users/hakim/projects/google/tools/gopls/internal/hooks,/Users/hakim/projects/google/tools/gopls/internal/regtest,/Users/hakim/projects/google/tools/gopls/internal/regtest/bench,/Users/hakim/projects/google/tools/gopls/internal/regtest/codelens,/Users/hakim/projects/google/tools/gopls/internal/regtest/completion,/Users/hakim/projects/google/tools/gopls/internal/regtest/diagnostics,/Users/hakim/projects/google/tools/gopls/internal/regtest/misc,/Users/hakim/projects/google/tools/gopls/internal/regtest/modfile,/Users/hakim/projects/google/tools/gopls/internal/regtest/watch,/Users/hakim/projects/google/tools/gopls/internal/regtest/workspace,/Users/hakim/projects/google/tools/gopls/release,/Users/hakim/projects/google/tools/gopls/test,/Users/hakim/projects/google/tools/gopls/test/debug,/Users/hakim/p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[Trace - 19:41:47.949 PM] Sending response 'client/registerCapability - (3)' in 59ms. Result: [Trace - 19:41:47.951 PM] Received request 'client/registerCapability - (4)'. Params: {"registrations":[{"id":"workspace/didChangeConfiguration","method":"workspace/didChangeConfiguration"},{"id":"workspace/didChangeWorkspaceFolders","method":"workspace/didChangeWorkspaceFolders"},{"id":"textDocument/semanticTokens","method":"textDocument/semanticTokens","registerOptions":{"legend":{"tokenTypes":["namespace","type","class","enum","interface","struct","typeParameter","parameter","variable","property","enumMember","event","function","method","macro","keyword","modifier","comment","string","number","regexp","operator"],"tokenModifiers":["declaration","definition","readonly","static","deprecated","abstract","async","modification","documentation","defaultLibrary"]},"range":true,"full":true}}]} [Trace - 19:41:47.960 PM] Sending response 'client/registerCapability - (4)' in 8ms. Result: [Trace - 19:41:48.037 PM] Received notification 'window/logMessage'. Params: {"type":3,"message":"2021/06/25 19:41:48 discovered missing identifiers: map[memRecordCycle:true pageBits:true]\n\tpackage=\"runtime\"\n"} [Info - 7:41:48 PM] 2021/06/25 19:41:48 discovered missing identifiers: map[memRecordCycle:true pageBits:true] package="runtime" [Trace - 19:41:48.062 PM] Sending request 'textDocument/semanticTokens/range - (7)'. Params: {"textDocument":{"uri":"file:///usr/local/Cellar/go/1.16.4/libexec/src/context/context.go"},"range":{"start":{"line":0,"character":0},"end":{"line":39,"character":78}}} [Trace - 19:41:48.102 PM] Received response 'textDocument/documentSymbol - (1)' in 1839ms. Result: 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golang / go

x/tools/gopls: incorrect document outline for structs #46958