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// Copyright 2020 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 lsp
import (
"context"
"strings"
"golang.org/x/tools/internal/gocommand"
"golang.org/x/tools/internal/lsp/protocol"
"golang.org/x/tools/internal/lsp/source"
"golang.org/x/tools/internal/packagesinternal"
"golang.org/x/tools/internal/xcontext"
errors "golang.org/x/xerrors"
)
func (s *Server) executeCommand(ctx context.Context, params *protocol.ExecuteCommandParams) (interface{}, error) {
switch params.Command {
case "generate":
dir, recursive, err := getGenerateRequest(params.Arguments)
if err != nil {
return nil, err
}
go s.runGenerate(xcontext.Detach(ctx), dir, recursive)
case "tidy":
if len(params.Arguments) == 0 || len(params.Arguments) > 1 {
return nil, errors.Errorf("expected one file URI for call to `go mod tidy`, got %v", params.Arguments)
}
uri := protocol.DocumentURI(params.Arguments[0].(string))
snapshot, _, ok, err := s.beginFileRequest(uri, source.Mod)
if !ok {
return nil, err
}
cfg := snapshot.Config(ctx)
// Run go.mod tidy on the view.
inv := gocommand.Invocation{
Verb: "mod",
Args: []string{"tidy"},
Env: cfg.Env,
WorkingDir: snapshot.View().Folder().Filename(),
}
gocmdRunner := packagesinternal.GetGoCmdRunner(cfg)
if _, err := gocmdRunner.Run(ctx, inv); err != nil {
return nil, err
}
case "upgrade.dependency":
if len(params.Arguments) < 2 {
return nil, errors.Errorf("expected one file URI and one dependency for call to `go get`, got %v", params.Arguments)
}
uri := protocol.DocumentURI(params.Arguments[0].(string))
deps := params.Arguments[1].(string)
snapshot, _, ok, err := s.beginFileRequest(uri, source.UnknownKind)
if !ok {
return nil, err
}
cfg := snapshot.Config(ctx)
// Run "go get" on the dependency to upgrade it to the latest version.
inv := gocommand.Invocation{
Verb: "get",
Args: strings.Split(deps, " "),
Env: cfg.Env,
WorkingDir: snapshot.View().Folder().Filename(),
}
gocmdRunner := packagesinternal.GetGoCmdRunner(cfg)
if _, err := gocmdRunner.Run(ctx, inv); err != nil {
return nil, err
}
}
return nil, nil
}
func getGenerateRequest(args []interface{}) (string, bool, error) {
if len(args) != 2 {
return "", false, errors.Errorf("expected exactly 2 arguments but got %d", len(args))
}
dir, ok := args[0].(string)
if !ok {
return "", false, errors.Errorf("expected dir to be a string value but got %T", args[0])
}
recursive, ok := args[1].(bool)
if !ok {
return "", false, errors.Errorf("expected recursive to be a boolean but got %T", args[1])
}
return dir, recursive, nil
}
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