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cmd/godoc: don't crash if there's no documentation

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Fixes regression introduced by CL 7860049.

R=golang-dev, kamil.kisiel, dave
CC=golang-dev
https://golang.org/cl/8069044
This commit is contained in:
Robert Griesemer 2013-03-28 08:46:17 -07:00
parent ab962c8da2
commit 1a427a697e
1 changed files with 7 additions and 3 deletions
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10
src/cmd/godoc/main.go
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@ -388,12 +388,12 @@ func main() {
}
// determine what to use
if info.IsEmpty() {
if !cinfo.IsEmpty() {
if info == nil || info.IsEmpty() {
if cinfo != nil && !cinfo.IsEmpty() {
// only cinfo exists - switch to cinfo
info = cinfo
}
} else if !cinfo.IsEmpty() {
} else if cinfo != nil && !cinfo.IsEmpty() {
// both info and cinfo exist - use cinfo if info
// contains only subdirectory information
if info.PAst == nil && info.PDoc == nil {
@ -403,9 +403,13 @@ func main() {
}
}
if info == nil {
log.Fatalf("%s: no such directory or package", flag.Arg(0))
}
if info.Err != nil {
log.Fatalf("%v", info.Err)
}
if info.PDoc != nil && info.PDoc.ImportPath == target {
// Replace virtual /target with actual argument from command line.
info.PDoc.ImportPath = flag.Arg(0)