func (c *APIDescribeCmd) Execute(args []string) error {
context, err := prepareCommandContext(c.File)
if err != nil {
return err
}
file := context.relativeFile
units, err := getSourceUnitsWithFile(context.buildStore, context.repo, file)
if err != nil {
return err
}
if GlobalOpt.Verbose {
if len(units) > 0 {
ids := make([]string, len(units))
for i, u := range units {
ids[i] = string(u.ID())
}
log.Printf("Position %s:%d is in %d source units %v.", file, c.StartByte, len(units), ids)
} else {
log.Printf("Position %s:%d is not in any source units.", file, c.StartByte)
}
}
// Find the ref(s) at the character position.
var ref *graph.Ref
var nearbyRefs []*graph.Ref // Find nearby refs to help with debugging.
OuterLoop:
for _, u := range units {
var g graph.Output
graphFile := plan.SourceUnitDataFilename("graph", u)
f, err := context.commitFS.Open(graphFile)
if err != nil {
return err
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&g); err != nil {
return fmt.Errorf("%s: %s", graphFile, err)
}
for _, ref2 := range g.Refs {
if file == ref2.File {
if c.StartByte >= ref2.Start && c.StartByte <= ref2.End {
ref = ref2
if ref.DefUnit == "" {
ref.DefUnit = u.Name
}
if ref.DefUnitType == "" {
ref.DefUnitType = u.Type
}
break OuterLoop
} else if GlobalOpt.Verbose && abs(int(ref2.Start)-int(c.StartByte)) < 25 {
nearbyRefs = append(nearbyRefs, ref2)
}
}
}
}
if ref == nil {
if GlobalOpt.Verbose {
log.Printf("No ref found at %s:%d.", file, c.StartByte)
if len(nearbyRefs) > 0 {
log.Printf("However, nearby refs were found in the same file:")
for _, nref := range nearbyRefs {
log.Printf("Ref at bytes %d-%d to %v", nref.Start, nref.End, nref.DefKey())
}
}
f, err := os.Open(file)
if err == nil {
defer f.Close()
b, err := ioutil.ReadAll(f)
if err != nil {
log.Fatalf("Error reading source file: %s.", err)
}
start := c.StartByte
if start < 0 || int(start) > len(b)-1 {
log.Fatalf("Start byte %d is out of file bounds.", c.StartByte)
}
end := c.StartByte + 50
if int(end) > len(b)-1 {
end = uint32(len(b) - 1)
}
log.Printf("Surrounding source is:\n\n%s", b[start:end])
} else {
log.Printf("Error opening source file to show surrounding source: %s.", err)
}
}
fmt.Println(`{}`)
return nil
}
// ref.DefRepo is *not* guaranteed to be non-empty, as
// repo.URI() will return the empty string if the repo's
// CloneURL is empty or malformed.
if ref.DefRepo == "" {
ref.DefRepo = context.repo.URI()
}
var resp apiDescribeCmdOutput
// Now find the def for this ref.
defInCurrentRepo := ref.DefRepo == context.repo.URI()
if defInCurrentRepo {
// Def is in the current repo.
var g graph.Output
graphFile := plan.SourceUnitDataFilename("graph", &unit.SourceUnit{Name: ref.DefUnit, Type: ref.DefUnitType})
f, err := context.commitFS.Open(graphFile)
if err != nil {
return err
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&g); err != nil {
return fmt.Errorf("%s: %s", graphFile, err)
}
for _, def2 := range g.Defs {
if def2.Path == ref.DefPath {
resp.Def = &sourcegraph.Def{Def: *def2}
break
}
}
if resp.Def != nil {
for _, doc := range g.Docs {
if doc.Path == ref.DefPath {
resp.Def.DocHTML = doc.Data
}
}
// If Def is in the current Repo, transform that path to be an absolute path
resp.Def.File = filepath.Join(context.repo.RootDir, resp.Def.File)
}
if resp.Def == nil && GlobalOpt.Verbose {
log.Printf("No definition found with path %q in unit %q type %q.", ref.DefPath, ref.DefUnit, ref.DefUnitType)
}
}
// spec is only valid for remote requests if ref.DefRepo is
// non-empty.
var spec sourcegraph.DefSpec
var specValid bool
if ref.DefRepo != "" {
specValid = true
spec = sourcegraph.DefSpec{
Repo: string(ref.DefRepo),
UnitType: ref.DefUnitType,
Unit: ref.DefUnit,
Path: string(ref.DefPath),
}
}
if specValid {
apiclient := NewAPIClientWithAuthIfPresent()
var wg sync.WaitGroup
if resp.Def == nil {
// Def is not in the current repo. Try looking it up using the
// Sourcegraph API.
wg.Add(1)
go func() {
defer wg.Done()
var err error
resp.Def, _, err = apiclient.Defs.Get(spec, &sourcegraph.DefGetOptions{Doc: true})
if err != nil && GlobalOpt.Verbose {
log.Printf("Couldn't fetch definition %v: %s.", spec, err)
}
}()
}
if !c.NoExamples {
wg.Add(1)
go func() {
defer wg.Done()
var err error
resp.Examples, _, err = apiclient.Defs.ListExamples(spec, &sourcegraph.DefListExamplesOptions{
Formatted: true,
ListOptions: sourcegraph.ListOptions{PerPage: 4},
})
if err != nil && GlobalOpt.Verbose {
log.Printf("Couldn't fetch examples for %v: %s.", spec, err)
}
}()
}
wg.Wait()
}
if err := json.NewEncoder(os.Stdout).Encode(resp); err != nil {
return err
}
return nil
}
func (c *APIDescribeCmd) Execute(args []string) error {
context, err := prepareCommandContext(c.File)
if err != nil {
return err
}
file := context.relativeFile
units, err := getSourceUnitsWithFile(context.buildStore, context.repo, file)
if err != nil {
return err
}
if GlobalOpt.Verbose {
if len(units) > 0 {
ids := make([]string, len(units))
for i, u := range units {
ids[i] = string(u.ID())
}
log.Printf("Position %s:%d is in %d source units %v.", file, c.StartByte, len(units), ids)
} else {
log.Printf("Position %s:%d is not in any source units.", file, c.StartByte)
}
}
// Find the ref(s) at the character position.
var ref *graph.Ref
var nearbyRefs []*graph.Ref // Find nearby refs to help with debugging.
OuterLoop:
for _, u := range units {
var g graph.Output
graphFile := plan.SourceUnitDataFilename("graph", u)
f, err := context.commitFS.Open(graphFile)
if err != nil {
return err
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&g); err != nil {
return fmt.Errorf("%s: %s", graphFile, err)
}
for _, ref2 := range g.Refs {
if file == ref2.File {
if c.StartByte >= ref2.Start && c.StartByte <= ref2.End {
ref = ref2
if ref.DefUnit == "" {
ref.DefUnit = u.Name
}
if ref.DefUnitType == "" {
ref.DefUnitType = u.Type
}
break OuterLoop
} else if GlobalOpt.Verbose && abs(int(ref2.Start)-int(c.StartByte)) < 25 {
nearbyRefs = append(nearbyRefs, ref2)
}
}
}
}
if ref == nil {
if GlobalOpt.Verbose {
log.Printf("No ref found at %s:%d.", file, c.StartByte)
if len(nearbyRefs) > 0 {
log.Printf("However, nearby refs were found in the same file:")
for _, nref := range nearbyRefs {
log.Printf("Ref at bytes %d-%d to %v", nref.Start, nref.End, nref.DefKey())
}
}
f, err := os.Open(file)
if err == nil {
defer f.Close()
b, err := ioutil.ReadAll(f)
if err != nil {
log.Fatalf("Error reading source file: %s.", err)
}
start := c.StartByte
if start < 0 || int(start) > len(b)-1 {
log.Fatalf("Start byte %d is out of file bounds.", c.StartByte)
}
end := c.StartByte + 50
if int(end) > len(b)-1 {
end = uint32(len(b) - 1)
}
log.Printf("Surrounding source is:\n\n%s", b[start:end])
} else {
log.Printf("Error opening source file to show surrounding source: %s.", err)
}
}
colorable.Println(`{}`)
return nil
}
// ref.DefRepo is *not* guaranteed to be non-empty, as
// repo.URI() will return the empty string if the repo's
// CloneURL is empty or malformed.
if ref.DefRepo == "" {
ref.DefRepo = context.repo.URI()
}
var resp apiDescribeCmdOutput
// Now find the def for this ref.
defInCurrentRepo := ref.DefRepo == context.repo.URI()
if defInCurrentRepo {
// Def is in the current repo.
var g graph.Output
graphFile := plan.SourceUnitDataFilename("graph", &unit.SourceUnit{Name: ref.DefUnit, Type: ref.DefUnitType})
f, err := context.commitFS.Open(graphFile)
if err != nil {
return err
}
defer f.Close()
if err := json.NewDecoder(f).Decode(&g); err != nil {
return fmt.Errorf("%s: %s", graphFile, err)
}
for _, def := range g.Defs {
if def.Path == ref.DefPath {
resp.Def = def
break
}
}
if resp.Def != nil {
// If Def is in the current Repo, transform that path to be an absolute path
resp.Def.File = filepath.ToSlash(filepath.Join(context.repo.RootDir, resp.Def.File))
}
if resp.Def == nil && GlobalOpt.Verbose {
log.Printf("No definition found with path %q in unit %q type %q.", ref.DefPath, ref.DefUnit, ref.DefUnitType)
}
}
if err := json.NewEncoder(os.Stdout).Encode(resp); err != nil {
return err
}
return nil
}