94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
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package sa2002
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import (
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"fmt"
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"go/types"
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"honnef.co/go/tools/analysis/lint"
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"honnef.co/go/tools/analysis/report"
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"honnef.co/go/tools/go/ir"
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"honnef.co/go/tools/go/types/typeutil"
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"honnef.co/go/tools/internal/passes/buildir"
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"golang.org/x/tools/go/analysis"
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)
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var SCAnalyzer = lint.InitializeAnalyzer(&lint.Analyzer{
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Analyzer: &analysis.Analyzer{
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Name: "SA2002",
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Run: run,
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Requires: []*analysis.Analyzer{buildir.Analyzer},
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},
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Doc: &lint.RawDocumentation{
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Title: `Called \'testing.T.FailNow\' or \'SkipNow\' in a goroutine, which isn't allowed`,
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Since: "2017.1",
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Severity: lint.SeverityError,
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MergeIf: lint.MergeIfAny,
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},
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})
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var Analyzer = SCAnalyzer.Analyzer
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func run(pass *analysis.Pass) (any, error) {
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for _, fn := range pass.ResultOf[buildir.Analyzer].(*buildir.IR).SrcFuncs {
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for _, block := range fn.Blocks {
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for _, ins := range block.Instrs {
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gostmt, ok := ins.(*ir.Go)
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if !ok {
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continue
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}
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var fn *ir.Function
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switch val := gostmt.Call.Value.(type) {
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case *ir.Function:
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fn = val
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case *ir.MakeClosure:
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fn = val.Fn.(*ir.Function)
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default:
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continue
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}
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if fn.Blocks == nil {
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continue
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}
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for _, block := range fn.Blocks {
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for _, ins := range block.Instrs {
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call, ok := ins.(*ir.Call)
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if !ok {
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continue
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}
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if call.Call.IsInvoke() {
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continue
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}
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callee := call.Call.StaticCallee()
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if callee == nil {
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continue
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}
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recv := callee.Signature.Recv()
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if recv == nil {
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continue
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}
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if !typeutil.IsPointerToTypeWithName(recv.Type(), "testing.common") {
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continue
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}
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fn, ok := call.Call.StaticCallee().Object().(*types.Func)
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if !ok {
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continue
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}
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name := fn.Name()
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switch name {
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case "FailNow", "Fatal", "Fatalf", "SkipNow", "Skip", "Skipf":
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default:
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continue
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}
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// TODO(dh): don't report multiple diagnostics
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// for multiple calls to T.Fatal, but do
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// collect all of them as related information
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report.Report(pass, gostmt, fmt.Sprintf("the goroutine calls T.%s, which must be called in the same goroutine as the test", name),
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report.Related(call, fmt.Sprintf("call to T.%s", name)))
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}
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}
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}
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}
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}
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return nil, nil
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}
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