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terminal/command: add list command to display source

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Without arguments, `list` displays source around the current context.  A
linespec argument can be taken to display source around that location.

Fixes #58
This commit is contained in:
Joe Shaw
2015-07-29 10:24:52 -04:00
committed by Derek Parker
parent e68e760a9f
commit bb95d534a6
2 changed files with 65 additions and 9 deletions
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21
service/debugger/locations.go
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@ -228,6 +228,25 @@ func (loc *NormalLocationSpec) FileMatch(path string) bool {
return strings.HasSuffix(path, loc.Base) && (path[len(path)-len(loc.Base)-1] == filepath.Separator)
}
type AmbiguousLocationError struct {
Location string
CandidatesString []string
CandidatesLocation []api.Location
}
func (ale AmbiguousLocationError) Error() string {
var candidates []string
if ale.CandidatesLocation != nil {
for i := range ale.CandidatesLocation {
candidates = append(candidates, ale.CandidatesLocation[i].Function.Name)
}
} else {
candidates = ale.CandidatesString
}
return fmt.Sprintf("Location \"%s\" ambiguous: %s…", ale.Location, strings.Join(candidates, ", "))
}
func (loc *NormalLocationSpec) Find(d *Debugger, locStr string) ([]api.Location, error) {
funcs := d.process.Funcs()
files := d.process.Sources()
@ -280,7 +299,7 @@ func (loc *NormalLocationSpec) Find(d *Debugger, locStr string) ([]api.Location,
case 0:
return nil, fmt.Errorf("Location \"%s\" not found", locStr)
default:
return nil, fmt.Errorf("Location \"%s\" ambiguous: %s…", locStr, strings.Join(candidates, ", "))
return nil, AmbiguousLocationError{Location: locStr, CandidatesString: candidates}
}
}