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v doc: show a proper error message instead of panic on v doc -m file.v

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This commit is contained in:
Delyan Angelov 2021-10-09 11:56:30 +03:00
parent e267106220
commit 32ea53960e
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GPG Key ID: 66886C0F12D595ED
1 changed files with 9 additions and 1 deletions
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8
cmd/tools/vdoc/vdoc.v
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@ -325,6 +325,10 @@ fn (mut vd VDoc) generate_docs_from_file() {
docs << vd.docs.filter(it.head.name != 'builtin')
vd.docs = docs
}
if dirs.len == 0 && cfg.is_multi {
eprintln('vdoc: -m requires at least 1 module folder')
exit(1)
}
vd.vprintln('Rendering docs...')
if out.path.len == 0 || out.path == 'stdout' {
if out.typ == .html {
@ -332,7 +336,11 @@ fn (mut vd VDoc) generate_docs_from_file() {
}
outputs := vd.render(out)
if outputs.len == 0 {
if dirs.len == 0 {
eprintln('vdoc: No documentation found')
} else {
eprintln('vdoc: No documentation found for ${dirs[0]}')
}
exit(1)
} else {
first := outputs.keys()[0]