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Explicitly prevent instance reuse

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This commit is contained in:
Alex Yatskov 2016-09-04 11:43:04 -07:00
parent f20984e6f0
commit 434e755419
1 changed files with 11 additions and 0 deletions
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11
core.go
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@ -32,6 +32,7 @@ type goldsmith struct {
srcDir, dstDir string srcDir, dstDir string
contexts []*context contexts []*context
refs map[string]bool refs map[string]bool
complete bool
errors []error errors []error
errorMtx sync.Mutex errorMtx sync.Mutex
@ -102,11 +103,19 @@ func (gs *goldsmith) fault(name string, f *file, err error) {
// //
func (gs *goldsmith) Chain(p Plugin, filters ...string) Goldsmith { func (gs *goldsmith) Chain(p Plugin, filters ...string) Goldsmith {
if gs.complete {
panic("attempted reuse of goldsmith instance")
}
gs.pushContext(p, filters) gs.pushContext(p, filters)
return gs return gs
} }
func (gs *goldsmith) End(dstDir string) []error { func (gs *goldsmith) End(dstDir string) []error {
if gs.complete {
panic("attempted reuse of goldsmith instance")
}
gs.dstDir = dstDir gs.dstDir = dstDir
for _, ctx := range gs.contexts { for _, ctx := range gs.contexts {
@ -119,5 +128,7 @@ func (gs *goldsmith) End(dstDir string) []error {
} }
gs.cleanupFiles() gs.cleanupFiles()
gs.complete = true
return gs.errors return gs.errors
} }