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x/tools/gopls: refactor function fails #44813

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hyangah opened this issue Mar 5, 2021 · 1 comment
Closed

x/tools/gopls: refactor function fails #44813

hyangah opened this issue Mar 5, 2021 · 1 comment
Labels
FrozenDueToAge gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
Milestone
gopls/v0.6.10

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@hyangah
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hyangah commented Mar 5, 2021

go1.16
gopls 0.6.6

Example:

package main

import "fmt"

func main() {

	x := []rune{} // line 7
	s := "HELLO"
	for _, c := range s {
		x = append(x, c)
	} // line 11

	fmt.Printf("%x\n", x)
}

Select from line 7 to line 11 and see gopls return a code action.
Select the code action and see the refactoring request fail.

[Error - 11:39:14 AM] Request workspace/executeCommand failed.
  Message: parent nil
  Code: 0 
[Error - 11:39:14 AM] 2021/03/05 11:39:14 command error: parent nil

If test in vscode, there is another issue involved but that's independent.

GOPLS log [Trace - 11:38:48.832 AM] Sending request 'initialize - (0)'. Params: {"processId":35545,"clientInfo":{"name":"vscode","version":"1.53.2"},"rootPath":"/Users/hakim/testrefactor","rootUri":"file:///Users/hakim/testrefactor","capabilities":{"workspace":{"applyEdit":true,"workspaceEdit":{"documentChanges":true,"resourceOperations":["create","rename","delete"],"failureHandling":"textOnlyTransactional"},"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]}},"executeCommand":{"dynamicRegistration":true},"configuration":true,"workspaceFolders":true,"semanticTokens":{"refreshSupport":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"]}},"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"]}}},"codeLens":{"dynamicRegistration":true},"formatting":{"dynamicRegistration":true},"rangeFormatting":{"dynamicRegistration":true},"onTypeFormatting":{"dynamicRegistration":true},"rename":{"dynamicRegistration":true,"prepareSupport":true,"prepareSupportDefaultBehavior":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","member","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}}}},"window":{"workDoneProgress":true}},"initializationOptions":{"build.expandWorkspaceToModule":true,"build.experimentalWorkspaceModule":false,"build.directoryFilters":["-internal/lsp/testdata"]},"trace":"off","workspaceFolders":[{"uri":"file:///Users/hakim/testrefactor","name":"testrefactor"}]}

[Trace - 11:38:48.834 AM] Received response 'initialize - (0)' in 2ms.
Result: {"capabilities":{"textDocumentSync":{"openClose":true,"change":2,"save":{}},"completionProvider":{"triggerCharacters":["."]},"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.test","gopls.tidy","gopls.toggle_gc_details","gopls.update_go_sum","gopls.upgrade_dependency","gopls.vendor"]},"callHierarchyProvider":true},"serverInfo":{"name":"gopls","version":"{"path":"golang.org/x/tools/gopls","version":"v0.6.6","sum":"h1:GmCsAKZMEb1BD1BTWnQrMyx4FmNThlEsmuFiJbLBXio=","deps":[{"path":"github.com/BurntSushi/toml","version":"v0.3.1","sum":"h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ="},{"path":"github.com/google/go-cmp","version":"v0.5.4","sum":"h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M="},{"path":"github.com/sergi/go-diff","version":"v1.1.0","sum":"h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0="},{"path":"golang.org/x/mod","version":"v0.4.1","sum":"h1:Kvvh58BN8Y9/lBi7hTekvtMpm07eUZ0ck5pRHpsMWrY="},{"path":"golang.org/x/sync","version":"v0.0.0-20201020160332-67f06af15bc9","sum":"h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck="},{"path":"golang.org/x/sys","version":"v0.0.0-20210124154548-22da62e12c0c","sum":"h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk="},{"path":"golang.org/x/tools","version":"v0.1.1-0.20210222172741-77e031214674","sum":"h1:XzEjy9Ks1MwmcJOarbxTnL/AqHtzsRfRzAwfDhII2lE="},{"path":"golang.org/x/xerrors","version":"v0.0.0-20200804184101-5ec99f83aff1","sum":"h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE="},{"path":"honnef.co/go/tools","version":"v0.1.1","sum":"h1:EVDuO03OCZwpV2t/tLLxPmPiomagMoBOgfPt0FM+4IY="},{"path":"mvdan.cc/gofumpt","version":"v0.1.0","sum":"h1:hsVv+Y9UsZ/mFZTxJZuHVI6shSQCtzZ11h1JEFPAZLw="},{"path":"mvdan.cc/xurls/v2","version":"v2.2.0","sum":"h1:NSZPykBXJFCetGZykLAxaL6SIpvbVy/UFEniIfHAa8A="}]}"}}

[Trace - 11:38:48.860 AM] Sending notification 'initialized'.
Params: {}

[Trace - 11:38:48.861 AM] Received request 'window/workDoneProgress/create - (1)'.
Params: {"token":"5577006791947779410"}

[Trace - 11:38:48.861 AM] Sending notification 'textDocument/didOpen'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go","languageId":"go","version":1,"text":"package main\n\nimport "fmt"\n\nfunc main() {\n\n\tx := []rune{}\n\ts := "HELLO"\n\tfor _, c := range s {\n\t\tx = append(x, c)\n\t}\n\n\tfmt.Printf("%x\n", x)\n}\n"}}

[Trace - 11:38:48.882 AM] Sending response 'window/workDoneProgress/create - (1)' in 21ms.
Result:

[Trace - 11:38:48.883 AM] Received notification '$/progress'.
Params: {"token":"5577006791947779410","value":{"kind":"begin","title":"Setting up workspace","message":"Loading packages..."}}

[Trace - 11:38:48.883 AM] Received request 'workspace/configuration - (2)'.
Params: {"items":[{"scopeUri":"file:///Users/hakim/testrefactor","section":"gopls"}]}

[Trace - 11:38:48.993 AM] Sending request 'textDocument/documentLink - (1)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:48.995 AM] Sending request 'textDocument/documentSymbol - (2)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:49.117 AM] Sending response 'workspace/configuration - (2)' in 234ms.
Result: [{"build.expandWorkspaceToModule":true,"build.experimentalWorkspaceModule":false,"build.directoryFilters":["-internal/lsp/testdata"]}]

[Trace - 11:38:49.118 AM] Sending request 'textDocument/foldingRange - (3)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:49.119 AM] Sending request 'textDocument/codeLens - (4)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:49.151 AM] Sending notification '$/cancelRequest'.
Params: {"id":4}

[Trace - 11:38:49.345 AM] Received notification 'window/logMessage'.
Params: {"type":3,"message":"2021/03/05 11:38:49 go env for /Users/hakim/testrefactor\n(root /Users/hakim/testrefactor)\n(go version go version go1.16 darwin/amd64)\n(valid build configuration = true)\n(build flags: [])\nGO111MODULE=\nGOCACHE=/Users/hakim/Library/Caches/go-build\nGOMOD=/Users/hakim/testrefactor/go.mod\nGONOSUMDB=\nGOINSECURE=\nGOMODCACHE=/Users/hakim/go/pkg/mod\nGOSUMDB=sum.golang.org\nGOFLAGS=\nGONOPROXY=\nGOPATH=/Users/hakim/go\nGOPRIVATE=\nGOPROXY=https://proxy.golang.org,direct\nGOROOT=/usr/local/go\n\n"}

[Info - 11:38:49 AM] 2021/03/05 11:38:49 go env for /Users/hakim/testrefactor
(root /Users/hakim/testrefactor)
(go version go version go1.16 darwin/amd64)
(valid build configuration = true)
(build flags: [])
GO111MODULE=
GOCACHE=/Users/hakim/Library/Caches/go-build
GOMOD=/Users/hakim/testrefactor/go.mod
GONOSUMDB=
GOINSECURE=
GOMODCACHE=/Users/hakim/go/pkg/mod
GOSUMDB=sum.golang.org
GOFLAGS=
GONOPROXY=
GOPATH=/Users/hakim/go
GOPRIVATE=
GOPROXY=https://proxy.golang.org,direct
GOROOT=/usr/local/go

[Trace - 11:38:49.450 AM] Sending request 'textDocument/codeLens - (5)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:49.658 AM] Received notification 'window/logMessage'.
Params: {"type":3,"message":"2021/03/05 11:38:49 go/packages.Load\n\tsnapshot=0\n\tdirectory=/Users/hakim/testrefactor\n\tquery=[builtin w/...]\n\tpackages=2\n"}

[Info - 11:38:49 AM] 2021/03/05 11:38:49 go/packages.Load
snapshot=0
directory=/Users/hakim/testrefactor
query=[builtin w/...]
packages=2

[Trace - 11:38:49.707 AM] Received notification '$/progress'.
Params: {"token":"5577006791947779410","value":{"kind":"end","message":"Finished loading packages."}}

[Trace - 11:38:49.775 AM] Received request 'client/registerCapability - (3)'.
Params: {"registrations":[{"id":"workspace/didChangeWatchedFiles-0","method":"workspace/didChangeWatchedFiles","registerOptions":{"watchers":[{"globPattern":"**/*.{go,mod,sum}","kind":7}]}}]}

[Trace - 11:38:49.785 AM] Sending response 'client/registerCapability - (3)' in 9ms.
Result:

[Trace - 11:38:49.789 AM] Received request 'client/registerCapability - (4)'.
Params: {"registrations":[{"id":"workspace/didChangeConfiguration","method":"workspace/didChangeConfiguration"},{"id":"workspace/didChangeWorkspaceFolders","method":"workspace/didChangeWorkspaceFolders"}]}

[Trace - 11:38:49.791 AM] Sending response 'client/registerCapability - (4)' in 1ms.
Result:

[Trace - 11:38:49.915 AM] Received response 'textDocument/documentLink - (1)' in 922ms.
Result: [{"range":{"start":{"line":2,"character":8},"end":{"line":2,"character":11}},"target":"https://pkg.go.dev/fmt?utm_source=gopls"}]

[Trace - 11:38:49.917 AM] Received response 'textDocument/documentSymbol - (2)' in 922ms.
Result: [{"name":"main","detail":"()","kind":12,"range":{"start":{"line":4,"character":0},"end":{"line":13,"character":1}},"selectionRange":{"start":{"line":4,"character":5},"end":{"line":4,"character":9}}}]

[Trace - 11:38:49.917 AM] Received response 'textDocument/foldingRange - (3)' in 799ms.
Result: [{"startLine":4,"startCharacter":13,"endLine":12,"endCharacter":22},{"startLine":8,"startCharacter":22,"endLine":9,"endCharacter":18}]

[Error - Received] 11:38:49.918 AM #4 JSON RPC cancelled

[Trace - 11:38:49.918 AM] Received response 'textDocument/codeLens - (5)' in 467ms.
Result: null

[Trace - 11:38:56.941 AM] Sending request 'textDocument/hover - (6)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"},"position":{"line":6,"character":0}}

[Trace - 11:38:56.942 AM] Received response 'textDocument/hover - (6)' in 0ms.
Result: null

[Trace - 11:38:57.297 AM] Sending request 'textDocument/hover - (7)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"},"position":{"line":6,"character":0}}

[Trace - 11:38:57.298 AM] Received response 'textDocument/hover - (7)' in 0ms.
Result: null

[Trace - 11:38:57.418 AM] Sending request 'textDocument/documentHighlight - (8)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"},"position":{"line":6,"character":1}}

[Trace - 11:38:57.419 AM] Received response 'textDocument/documentHighlight - (8)' in 1ms.
Result: [{"range":{"start":{"line":12,"character":20},"end":{"line":12,"character":21}},"kind":1},{"range":{"start":{"line":6,"character":1},"end":{"line":6,"character":2}},"kind":1},{"range":{"start":{"line":9,"character":2},"end":{"line":9,"character":3}},"kind":1},{"range":{"start":{"line":9,"character":13},"end":{"line":9,"character":14}},"kind":1}]

[Trace - 11:38:58.036 AM] Sending request 'textDocument/codeLens - (9)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"}}

[Trace - 11:38:58.037 AM] Received response 'textDocument/codeLens - (9)' in 0ms.
Result: null

[Trace - 11:38:58.448 AM] Sending request 'textDocument/codeAction - (10)'.
Params: {"textDocument":{"uri":"file:///Users/hakim/testrefactor/main.go"},"range":{"start":{"line":6,"character":1},"end":{"line":10,"character":2}},"context":{"diagnostics":[]}}

[Trace - 11:38:58.449 AM] Received response 'textDocument/codeAction - (10)' in 1ms.
Result: [{"title":"Extract to function","kind":"refactor.extract","edit":{},"command":{"title":"Extract to function","command":"gopls.apply_fix","arguments":[{"Fix":"extract_function","URI":"file:///Users/hakim/testrefactor/main.go","Range":{"start":{"line":6,"character":1},"end":{"line":10,"character":2}}}]}}]

[Trace - 11:39:14.739 AM] Sending request 'workspace/executeCommand - (11)'.
Params: {"command":"gopls.apply_fix","arguments":[{"Fix":"extract_function","URI":"file:///Users/hakim/testrefactor/main.go","Range":{"start":{"line":6,"character":1},"end":{"line":10,"character":2}}}]}

[Error - Received] 11:39:14.740 AM #11 parent nil

[Trace - 11:39:14.741 AM] Received notification 'window/logMessage'.
Params: {"type":1,"message":"2021/03/05 11:39:14 command error: parent nil\n"}

[Error - 11:39:14 AM] Request workspace/executeCommand failed.
Message: parent nil
Code: 0
[Error - 11:39:14 AM] 2021/03/05 11:39:14 command error: parent nil
@gopherbot gopherbot added Tools This label describes issues relating to any tools in the x/tools repository. gopls Issues related to the Go language server, gopls. labels Mar 5, 2021
@gopherbot gopherbot added this to the Unreleased milestone Mar 5, 2021
ShoshinNikita added a commit to ShoshinNikita/tools that referenced this issue Mar 29, 2021
@ShoshinNikita
internal/lsp/source: skip blank identifiers during the function extra…
bb7a235 
…ction

The blank identifier is always a local variable. It can't be
a function parameter or a return value.

Fixes golang/go#44813
@ShoshinNikita ShoshinNikita mentioned this issue Mar 29, 2021
Closed
@gopherbot
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Change https://golang.org/cl/305429 mentions this issue: internal/lsp/source: skip blank identifiers during the function extraction

@golang golang locked and limited conversation to collaborators Mar 29, 2022
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FrozenDueToAge gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
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internal/lsp/source: skip blank identifiers during the function extraction ShoshinNikita/tools
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@hyangah @stamblerre @gopherbot