mirror of https://github.com/goccy/go-json.git
32 lines
584 B
Go
32 lines
584 B
Go
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// +build race
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package json
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import "sync"
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var decMu sync.RWMutex
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func (d *Decoder) compileToGetDecoder(typeptr uintptr, typ *rtype) (decoder, error) {
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if !existsCachedDecoder {
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return d.compileToGetDecoderSlowPath(typeptr, typ)
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}
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index := typeptr - baseTypeAddr
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decMu.RLock()
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if dec := cachedDecoder[index]; dec != nil {
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decMu.RUnlock()
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return dec, nil
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}
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decMu.RUnlock()
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d.structTypeToDecoder = map[uintptr]decoder{}
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dec, err := d.compileHead(typ)
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if err != nil {
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return nil, err
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}
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decMu.Lock()
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cachedDecoder[index] = dec
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decMu.Unlock()
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return dec, nil
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}
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