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internal/wire: fix panic in objectCache.processExpr (#236)

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This commit is contained in:
Dmitry Savintsev
2020-01-10 19:10:27 +01:00
committed by shantuo
parent 578b29ef42
commit fda113507a
2 changed files with 11 additions and 1 deletions
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9
internal/wire/parse.go
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@@ -529,7 +529,14 @@ func (oc *objectCache) processExpr(info *types.Info, pkgPath string, expr ast.Ex
}
if call, ok := expr.(*ast.CallExpr); ok {
fnObj := qualifiedIdentObject(info, call.Fun)
if fnObj == nil || !isWireImport(fnObj.Pkg().Path()) {
if fnObj == nil {
return nil, []error{notePosition(exprPos, errors.New("unknown pattern fnObj nil"))}
}
pkg := fnObj.Pkg()
if pkg == nil {
return nil, []error{notePosition(exprPos, fmt.Errorf("unknown pattern - pkg in fnObj is nil - %s", fnObj))}
}
if !isWireImport(pkg.Path()) {
return nil, []error{notePosition(exprPos, errors.New("unknown pattern"))}
}
switch fnObj.Name() {