forked from mirror/go-json
25 lines
485 B
Go
25 lines
485 B
Go
// +build !race
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package json
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import "unsafe"
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func decodeCompileToGetDecoder(typ *rtype) (decoder, error) {
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typeptr := uintptr(unsafe.Pointer(typ))
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if typeptr > maxTypeAddr {
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return decodeCompileToGetDecoderSlowPath(typeptr, typ)
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}
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index := typeptr - baseTypeAddr
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if dec := cachedDecoder[index]; dec != nil {
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return dec, nil
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}
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dec, err := decodeCompileHead(typ, map[uintptr]decoder{})
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if err != nil {
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return nil, err
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}
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cachedDecoder[index] = dec
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return dec, nil
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}
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