gopls/internal/lsp: delete dead code

Delete some gopls code that is no longer used.

Change-Id: Ib211b01b6c2ac8a03700b1e47d32ac69fccd1b83
Reviewed-on: https://go-review.googlesource.com/c/tools/+/435360
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Alan Donovan <adonovan@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>

gopls/internal/lsp/analysis/unusedvariable/unusedvariable.go

@@ -32,8 +32,6 @@ var Analyzer = &analysis.Analyzer{
 	RunDespiteErrors: true, // an unusedvariable diagnostic is a compile error
 }
 
-type fixesForError map[types.Error][]analysis.SuggestedFix
-
 // The suffix for this error message changed in Go 1.20.
 var unusedVariableSuffixes = []string{" declared and not used", " declared but not used"}
 

gopls/internal/lsp/cache/snapshot.go

@@ -31,11 +31,11 @@ import (
 	"golang.org/x/mod/semver"
 	"golang.org/x/sync/errgroup"
 	"golang.org/x/tools/go/packages"
-	"golang.org/x/tools/internal/event"
-	"golang.org/x/tools/internal/gocommand"
-	"golang.org/x/tools/internal/bug"
-	"golang.org/x/tools/internal/event/tag"
 	"golang.org/x/tools/gopls/internal/lsp/source"
+	"golang.org/x/tools/internal/bug"
+	"golang.org/x/tools/internal/event"
+	"golang.org/x/tools/internal/event/tag"
+	"golang.org/x/tools/internal/gocommand"
 	"golang.org/x/tools/internal/memoize"
 	"golang.org/x/tools/internal/packagesinternal"
 	"golang.org/x/tools/internal/persistent"
@@ -1612,15 +1612,6 @@ func (s *snapshot) orphanedFiles() []source.VersionedFileHandle {
 	return files
 }
 
-func contains(views []*View, view *View) bool {
-	for _, v := range views {
-		if v == view {
-			return true
-		}
-	}
-	return false
-}
-
 // TODO(golang/go#53756): this function needs to consider more than just the
 // absolute URI, for example:
 //   - the position of /vendor/ with respect to the relevant module root

gopls/internal/lsp/cmd/export_test.go

@@ -1,11 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package cmd
-
-const (
-	ExampleLine   = exampleLine
-	ExampleColumn = exampleColumn
-	ExampleOffset = exampleOffset
-)

gopls/internal/lsp/command/interface.go

@@ -272,21 +272,6 @@ type PackageImport struct {
 	Path string
 }
 
-type WorkspaceMetadataArgs struct {
-}
-
-type WorkspaceMetadataResult struct {
-	// All workspaces for this session.
-	Workspaces []Workspace
-}
-
-type Workspace struct {
-	// The workspace name.
-	Name string
-	// The workspace module directory.
-	ModuleDir string
-}
-
 type DebuggingArgs struct {
 	// Optional: the address (including port) for the debug server to listen on.
 	// If not provided, the debug server will bind to "localhost:0", and the

gopls/internal/lsp/debug/info.go

@@ -38,17 +38,6 @@ type ServerVersion struct {
 	Version string
 }
 
-type Module struct {
-	ModuleVersion
-	Replace *ModuleVersion `json:"replace,omitempty"`
-}
-
-type ModuleVersion struct {
-	Path    string `json:"path,omitempty"`
-	Version string `json:"version,omitempty"`
-	Sum     string `json:"sum,omitempty"`
-}
-
 // VersionInfo returns the build info for the gopls process. If it was not
 // built in module mode, we return a GOPATH-specific message with the
 // hardcoded version.

gopls/internal/lsp/regtest/expectation.go

@@ -678,14 +678,6 @@ func (e *Env) NoDiagnosticAtRegexp(name, re string) DiagnosticExpectation {
 	return DiagnosticExpectation{path: name, pos: &pos, re: re, present: false}
 }
 
-// NoDiagnosticAt asserts that there is no diagnostic entry at the position
-// specified by line and col, for the workdir-relative path name.
-// This should only be used in combination with OnceMet for a given condition,
-// otherwise it may always succeed.
-func NoDiagnosticAt(name string, line, col int) DiagnosticExpectation {
-	return DiagnosticExpectation{path: name, pos: &fake.Pos{Line: line, Column: col}, present: false}
-}
-
 // NoDiagnosticWithMessage asserts that there is no diagnostic entry with the
 // given message.
 //

gopls/internal/lsp/source/options.go

@@ -682,16 +682,6 @@ type OptionResult struct {
 	Error error
 }
 
-type OptionState int
-
-const (
-	OptionHandled = OptionState(iota)
-	OptionDeprecated
-	OptionUnexpected
-)
-
-type LinkTarget string
-
 func SetOptions(options *Options, opts interface{}) OptionResults {
 	var results OptionResults
 	switch opts := opts.(type) {

gopls/internal/lsp/template/completion.go

@@ -285,17 +285,3 @@ func weakMatch(choice, pattern string) float64 {
 	}
 	return 1
 }
-
-// for debug printing
-func strContext(c protocol.CompletionContext) string {
-	switch c.TriggerKind {
-	case protocol.Invoked:
-		return "invoked"
-	case protocol.TriggerCharacter:
-		return fmt.Sprintf("triggered(%s)", c.TriggerCharacter)
-	case protocol.TriggerForIncompleteCompletions:
-		// gopls doesn't seem to handle these explicitly anywhere
-		return "incomplete"
-	}
-	return fmt.Sprintf("?%v", c)
-}

gopls/internal/lsp/template/parse.go

@@ -24,9 +24,9 @@ import (
 	"text/template/parse"
 	"unicode/utf8"
 
-	"golang.org/x/tools/internal/event"
 	"golang.org/x/tools/gopls/internal/lsp/protocol"
 	"golang.org/x/tools/gopls/internal/lsp/source"
+	"golang.org/x/tools/internal/event"
 	"golang.org/x/tools/internal/span"
 )
 
@@ -492,15 +492,6 @@ func (wr wrNode) writeNode(n parse.Node, indent string) {
 	}
 }
 
-// short prints at most 40 bytes of node.String(), for debugging
-func short(n parse.Node) string {
-	s := fmt.Sprint(n) // recovers from panic
-	if len(s) > 40 {
-		return s[:40] + "..."
-	}
-	return s
-}
-
 var kindNames = []string{"", "File", "Module", "Namespace", "Package", "Class", "Method", "Property",
 	"Field", "Constructor", "Enum", "Interface", "Function", "Variable", "Constant", "String",
 	"Number", "Boolean", "Array", "Object", "Key", "Null", "EnumMember", "Struct", "Event",

gopls/internal/lsp/tests/tests.go

@@ -87,7 +87,6 @@ type References = map[span.Span][]span.Span
 type Renames = map[span.Span]string
 type PrepareRenames = map[span.Span]*source.PrepareItem
 type Symbols = map[span.URI][]*symbol
-type SymbolInformation = map[span.Span]protocol.SymbolInformation
 type InlayHints = []span.Span
 type WorkspaceSymbols = map[WorkspaceSymbolsTestType]map[span.URI][]string
 type Signatures = map[span.Span]*protocol.SignatureHelp

gopls/internal/lsp/work/diagnostics.go

@@ -11,10 +11,10 @@ import (
 	"path/filepath"
 
 	"golang.org/x/mod/modfile"
-	"golang.org/x/tools/internal/event"
-	"golang.org/x/tools/internal/event/tag"
 	"golang.org/x/tools/gopls/internal/lsp/protocol"
 	"golang.org/x/tools/gopls/internal/lsp/source"
+	"golang.org/x/tools/internal/event"
+	"golang.org/x/tools/internal/event/tag"
 	"golang.org/x/tools/internal/span"
 )