实现基础web服务器

vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go

@@ -0,0 +1,45 @@
+//go:build race
+// +build race
+
+package encoder
+
+import (
+	"sync"
+)
+
+var setsMu sync.RWMutex
+
+func CompileToGetCodeSet(ctx *RuntimeContext, typeptr uintptr) (*OpcodeSet, error) {
+	if typeptr > typeAddr.MaxTypeAddr || typeptr < typeAddr.BaseTypeAddr {
+		codeSet, err := compileToGetCodeSetSlowPath(typeptr)
+		if err != nil {
+			return nil, err
+		}
+		return getFilteredCodeSetIfNeeded(ctx, codeSet)
+	}
+	index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
+	setsMu.RLock()
+	if codeSet := cachedOpcodeSets[index]; codeSet != nil {
+		filtered, err := getFilteredCodeSetIfNeeded(ctx, codeSet)
+		if err != nil {
+			setsMu.RUnlock()
+			return nil, err
+		}
+		setsMu.RUnlock()
+		return filtered, nil
+	}
+	setsMu.RUnlock()
+
+	codeSet, err := newCompiler().compile(typeptr)
+	if err != nil {
+		return nil, err
+	}
+	filtered, err := getFilteredCodeSetIfNeeded(ctx, codeSet)
+	if err != nil {
+		return nil, err
+	}
+	setsMu.Lock()
+	cachedOpcodeSets[index] = codeSet
+	setsMu.Unlock()
+	return filtered, nil
+}