command

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Published: May 11, 2021 License: BSD-3-Clause Imports: 4 Imported by: 0

Documentation

Overview

Package command defines the interface provided by gopls for the workspace/executeCommand LSP request.

This interface is fully specified by the Interface type, provided it conforms to the restrictions outlined in its doc string.

Bindings for server-side command dispatch and client-side serialization are also provided by this package, via code generation.

Index

Constants

This section is empty.

Variables

Functions

func Dispatch

func Dispatch(ctx context.Context, params *protocol.ExecuteCommandParams, s Interface) (interface{}, error)

func ID

func ID(name string) string

ID returns the command name for use in the LSP.

func MarshalArgs

func MarshalArgs(args ...interface{}) ([]json.RawMessage, error)

MarshalArgs encodes the given arguments to json.RawMessages. This function is used to construct arguments to a protocol.Command.

Example usage:

jsonArgs, err := EncodeArgs(1, "hello", true, StructuredArg{42, 12.6})

func NewAddDependencyCommand

func NewAddDependencyCommand(title string, a0 DependencyArgs) (protocol.Command, error)

func NewAddImportCommand

func NewAddImportCommand(title string, a0 AddImportArgs) (protocol.Command, error)

func NewApplyFixCommand

func NewApplyFixCommand(title string, a0 ApplyFixArgs) (protocol.Command, error)

func NewCheckUpgradesCommand

func NewCheckUpgradesCommand(title string, a0 CheckUpgradesArgs) (protocol.Command, error)

func NewGCDetailsCommand

func NewGCDetailsCommand(title string, a0 protocol.DocumentURI) (protocol.Command, error)

func NewGenerateCommand

func NewGenerateCommand(title string, a0 GenerateArgs) (protocol.Command, error)

func NewGenerateGoplsModCommand

func NewGenerateGoplsModCommand(title string, a0 URIArg) (protocol.Command, error)

func NewGoGetPackageCommand

func NewGoGetPackageCommand(title string, a0 GoGetPackageArgs) (protocol.Command, error)

func NewListKnownPackagesCommand

func NewListKnownPackagesCommand(title string, a0 URIArg) (protocol.Command, error)

func NewRegenerateCgoCommand

func NewRegenerateCgoCommand(title string, a0 URIArg) (protocol.Command, error)

func NewRemoveDependencyCommand

func NewRemoveDependencyCommand(title string, a0 RemoveDependencyArgs) (protocol.Command, error)

func NewRunTestsCommand

func NewRunTestsCommand(title string, a0 RunTestsArgs) (protocol.Command, error)

func NewStartDebuggingCommand

func NewStartDebuggingCommand(title string, a0 DebuggingArgs) (protocol.Command, error)

func NewTestCommand

func NewTestCommand(title string, a0 protocol.DocumentURI, a1 []string, a2 []string) (protocol.Command, error)

func NewTidyCommand

func NewTidyCommand(title string, a0 URIArgs) (protocol.Command, error)

func NewToggleGCDetailsCommand

func NewToggleGCDetailsCommand(title string, a0 URIArg) (protocol.Command, error)

func NewUpdateGoSumCommand

func NewUpdateGoSumCommand(title string, a0 URIArgs) (protocol.Command, error)

func NewUpgradeDependencyCommand

func NewUpgradeDependencyCommand(title string, a0 DependencyArgs) (protocol.Command, error)

func NewVendorCommand

func NewVendorCommand(title string, a0 URIArg) (protocol.Command, error)

func NewWorkspaceMetadataCommand

func NewWorkspaceMetadataCommand(title string) (protocol.Command, error)

func UnmarshalArgs

func UnmarshalArgs(jsonArgs []json.RawMessage, args ...interface{}) error

UnmarshalArgs decodes the given json.RawMessages to the variables provided by args. Each element of args should be a pointer.

Example usage:

var (
    num int
    str string
    bul bool
    structured StructuredArg
)
err := UnmarshalArgs(args, &num, &str, &bul, &structured)

Types

type AddImportArgs

type AddImportArgs struct {
	ImportPath string
	URI        protocol.DocumentURI
}

type AddImportResult

type AddImportResult struct {
	Edits []protocol.TextDocumentEdit
}

type ApplyFixArgs

type ApplyFixArgs struct {
	// The fix to apply.
	Fix string
	// The file URI for the document to fix.
	URI protocol.DocumentURI
	// The document range to scan for fixes.
	Range protocol.Range
}

type CheckUpgradesArgs

type CheckUpgradesArgs struct {
	// The go.mod file URI.
	URI protocol.DocumentURI
	// The modules to check.
	Modules []string
}

type Command

type Command string
const (
	AddDependency     Command = "add_dependency"
	AddImport         Command = "add_import"
	ApplyFix          Command = "apply_fix"
	CheckUpgrades     Command = "check_upgrades"
	GCDetails         Command = "gc_details"
	Generate          Command = "generate"
	GenerateGoplsMod  Command = "generate_gopls_mod"
	GoGetPackage      Command = "go_get_package"
	ListKnownPackages Command = "list_known_packages"
	RegenerateCgo     Command = "regenerate_cgo"
	RemoveDependency  Command = "remove_dependency"
	RunTests          Command = "run_tests"
	StartDebugging    Command = "start_debugging"
	Test              Command = "test"
	Tidy              Command = "tidy"
	ToggleGCDetails   Command = "toggle_gc_details"
	UpdateGoSum       Command = "update_go_sum"
	UpgradeDependency Command = "upgrade_dependency"
	Vendor            Command = "vendor"
	WorkspaceMetadata Command = "workspace_metadata"
)

func (Command) ID

func (c Command) ID() string

type DebuggingArgs

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
	// full debug URL will be contained in the result.
	//
	// If there is more than one gopls instance along the serving path (i.e. you
	// are using a daemon), each gopls instance will attempt to start debugging.
	// If Addr specifies a port, only the daemon will be able to bind to that
	// port, and each intermediate gopls instance will fail to start debugging.
	// For this reason it is recommended not to specify a port (or equivalently,
	// to specify ":0").
	//
	// If the server was already debugging this field has no effect, and the
	// result will contain the previously configured debug URL(s).
	Addr string
}

type DebuggingResult

type DebuggingResult struct {
	// The URLs to use to access the debug servers, for all gopls instances in
	// the serving path. For the common case of a single gopls instance (i.e. no
	// daemon), this will be exactly one address.
	//
	// In the case of one or more gopls instances forwarding the LSP to a daemon,
	// URLs will contain debug addresses for each server in the serving path, in
	// serving order. The daemon debug address will be the last entry in the
	// slice. If any intermediate gopls instance fails to start debugging, no
	// error will be returned but the debug URL for that server in the URLs slice
	// will be empty.
	URLs []string
}

type DependencyArgs

type DependencyArgs struct {
	// The go.mod file URI.
	URI protocol.DocumentURI
	// Additional args to pass to the go command.
	GoCmdArgs []string
	// Whether to add a require directive.
	AddRequire bool
}

type GenerateArgs

type GenerateArgs struct {
	// URI for the directory to generate.
	Dir protocol.DocumentURI

	// Whether to generate recursively (go generate ./...)
	Recursive bool
}

type GoGetPackageArgs

type GoGetPackageArgs struct {
	// Any document URI within the relevant module.
	URI protocol.DocumentURI
	// The package to go get.
	Pkg        string
	AddRequire bool
}

type Interface

type Interface interface {
	// ApplyFix: Apply a fix
	//
	// Applies a fix to a region of source code.
	ApplyFix(context.Context, ApplyFixArgs) error
	// Test: Run test(s) (legacy)
	//
	// Runs `go test` for a specific set of test or benchmark functions.
	Test(context.Context, protocol.DocumentURI, []string, []string) error

	// Test: Run test(s)
	//
	// Runs `go test` for a specific set of test or benchmark functions.
	RunTests(context.Context, RunTestsArgs) error

	// Generate: Run go generate
	//
	// Runs `go generate` for a given directory.
	Generate(context.Context, GenerateArgs) error

	// RegenerateCgo: Regenerate cgo
	//
	// Regenerates cgo definitions.
	RegenerateCgo(context.Context, URIArg) error

	// Tidy: Run go mod tidy
	//
	// Runs `go mod tidy` for a module.
	Tidy(context.Context, URIArgs) error

	// Vendor: Run go mod vendor
	//
	// Runs `go mod vendor` for a module.
	Vendor(context.Context, URIArg) error

	// UpdateGoSum: Update go.sum
	//
	// Updates the go.sum file for a module.
	UpdateGoSum(context.Context, URIArgs) error

	// CheckUpgrades: Check for upgrades
	//
	// Checks for module upgrades.
	CheckUpgrades(context.Context, CheckUpgradesArgs) error

	// AddDependency: Add dependency
	//
	// Adds a dependency to the go.mod file for a module.
	AddDependency(context.Context, DependencyArgs) error

	// UpgradeDependency: Upgrade dependency
	//
	// Upgrades a dependency in the go.mod file for a module.
	UpgradeDependency(context.Context, DependencyArgs) error

	// RemoveDependency: Remove dependency
	//
	// Removes a dependency from the go.mod file of a module.
	RemoveDependency(context.Context, RemoveDependencyArgs) error

	// GoGetPackage: go get package
	//
	// Runs `go get` to fetch a package.
	GoGetPackage(context.Context, GoGetPackageArgs) error

	// GCDetails: Toggle gc_details
	//
	// Toggle the calculation of gc annotations.
	GCDetails(context.Context, protocol.DocumentURI) error

	// ToggleGCDetails: Toggle gc_details
	//
	// Toggle the calculation of gc annotations.
	ToggleGCDetails(context.Context, URIArg) error

	// GenerateGoplsMod: Generate gopls.mod
	//
	// (Re)generate the gopls.mod file for a workspace.
	GenerateGoplsMod(context.Context, URIArg) error

	ListKnownPackages(context.Context, URIArg) (ListKnownPackagesResult, error)

	AddImport(context.Context, AddImportArgs) (AddImportResult, error)

	WorkspaceMetadata(context.Context) (WorkspaceMetadataResult, error)

	StartDebugging(context.Context, DebuggingArgs) (DebuggingResult, error)
}

Interface defines the interface gopls exposes for the workspace/executeCommand request.

This interface is used to generate marshaling/unmarshaling code, dispatch, and documentation, and so has some additional restrictions:

  1. All method arguments must be JSON serializable.
  2. Methods must return either error or (T, error), where T is a JSON serializable type.
  3. The first line of the doc string is special. Everything after the colon is considered the command 'Title'. TODO(rFindley): reconsider this -- Title may be unnecessary.

type ListKnownPackagesResult

type ListKnownPackagesResult struct {
	Packages []string
}

type RemoveDependencyArgs

type RemoveDependencyArgs struct {
	// The go.mod file URI.
	URI protocol.DocumentURI
	// The module path to remove.
	ModulePath     string
	OnlyDiagnostic bool
}

type RunTestsArgs

type RunTestsArgs struct {
	// The test file containing the tests to run.
	URI protocol.DocumentURI

	// Specific test names to run, e.g. TestFoo.
	Tests []string

	// Specific benchmarks to run, e.g. BenchmarkFoo.
	Benchmarks []string
}

type URIArg

type URIArg struct {
	// The file URI.
	URI protocol.DocumentURI
}

type URIArgs

type URIArgs struct {
	// The file URIs.
	URIs []protocol.DocumentURI
}

type Workspace

type Workspace struct {
	Name      string
	ModuleDir string
}

type WorkspaceMetadataArgs

type WorkspaceMetadataArgs struct {
}

type WorkspaceMetadataResult

type WorkspaceMetadataResult struct {
	Workspaces []Workspace
}

Directories

Path Synopsis
Package commandmeta provides metadata about LSP commands, by analyzing the command.Interface type.
Package commandmeta provides metadata about LSP commands, by analyzing the command.Interface type.
Package gen is used to generate command bindings from the gopls command interface.
Package gen is used to generate command bindings from the gopls command interface.

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