47 lines
1013 B
Go
47 lines
1013 B
Go
//go:build race
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// +build race
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package encoder
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import (
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"sync"
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)
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var setsMu sync.RWMutex
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func CompileToGetCodeSet(ctx *RuntimeContext, typeptr uintptr) (*OpcodeSet, error) {
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initEncoder()
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if typeptr > typeAddr.MaxTypeAddr || typeptr < typeAddr.BaseTypeAddr {
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codeSet, err := compileToGetCodeSetSlowPath(typeptr)
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if err != nil {
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return nil, err
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}
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return getFilteredCodeSetIfNeeded(ctx, codeSet)
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}
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index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
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setsMu.RLock()
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if codeSet := cachedOpcodeSets[index]; codeSet != nil {
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filtered, err := getFilteredCodeSetIfNeeded(ctx, codeSet)
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if err != nil {
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setsMu.RUnlock()
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return nil, err
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}
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setsMu.RUnlock()
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return filtered, nil
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}
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setsMu.RUnlock()
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codeSet, err := newCompiler().compile(typeptr)
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if err != nil {
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return nil, err
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}
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filtered, err := getFilteredCodeSetIfNeeded(ctx, codeSet)
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if err != nil {
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return nil, err
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}
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setsMu.Lock()
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cachedOpcodeSets[index] = codeSet
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setsMu.Unlock()
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return filtered, nil
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}
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