gotools/gopls/internal/cache/mod_tidy.go

var ErrNoModOnDisk …

type TidiedModule …

// ModTidy returns the go.mod file that would be obtained by running
// "go mod tidy". Concurrent requests are combined into a single command.
func (s *Snapshot) ModTidy(ctx context.Context, pm *ParsedModule) (*TidiedModule, error) { … }

// modTidyImpl runs "go mod tidy" on a go.mod file.
func modTidyImpl(ctx context.Context, snapshot *Snapshot, pm *ParsedModule) (*TidiedModule, error) { … }

// modTidyDiagnostics computes the differences between the original and tidied
// go.mod files to produce diagnostic and suggested fixes. Some diagnostics
// may appear on the Go files that import packages from missing modules.
func modTidyDiagnostics(ctx context.Context, snapshot *Snapshot, pm *ParsedModule, ideal *modfile.File) (diagnostics []*Diagnostic, err error) { … }

func missingModuleDiagnostics(ctx context.Context, snapshot *Snapshot, pm *ParsedModule, ideal *modfile.File, missing map[string]*modfile.Require) ([]*Diagnostic, error) { … }

// unusedDiagnostic returns a Diagnostic for an unused require.
func unusedDiagnostic(m *protocol.Mapper, req *modfile.Require, onlyDiagnostic bool) (*Diagnostic, error) { … }

// directnessDiagnostic extracts errors when a dependency is labeled indirect when
// it should be direct and vice versa.
func directnessDiagnostic(m *protocol.Mapper, req *modfile.Require) (*Diagnostic, error) { … }

func missingModuleDiagnostic(pm *ParsedModule, req *modfile.Require) (*Diagnostic, error) { … }

// switchDirectness gets the edits needed to change an indirect dependency to
// direct and vice versa.
func switchDirectness(req *modfile.Require, m *protocol.Mapper) ([]protocol.TextEdit, error) { … }

// missingModuleForImport creates an error for a given import path that comes
// from a missing module.
func missingModuleForImport(pgf *parsego.File, imp *ast.ImportSpec, req *modfile.Require, fixes []SuggestedFix) (*Diagnostic, error) { … }

// parseImports parses the headers of the specified files and returns
// the set of strings that appear in import declarations within
// GoFiles. Errors are ignored.
//
// (We can't simply use Metadata.Imports because it is based on
// CompiledGoFiles, after cgo processing.)
//
// TODO(rfindley): this should key off ImportPath.
func parseImports(ctx context.Context, s *Snapshot, files []file.Handle) (map[string]bool, error) { … }