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authorLibravatar Tobi Smethurst <31960611+tsmethurst@users.noreply.github.com>2021-08-12 21:03:24 +0200
committerLibravatar GitHub <noreply@github.com>2021-08-12 21:03:24 +0200
commit98263a7de64269898a2f81207e38943b5c8e8653 (patch)
tree743c90f109a6c5d27832d1dcef2388d939f0f77a /vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go
parentText duplication fix (#137) (diff)
downloadgotosocial-98263a7de64269898a2f81207e38943b5c8e8653.tar.xz
Grand test fixup (#138)
* start fixing up tests * fix up tests + automate with drone * fiddle with linting * messing about with drone.yml * some more fiddling * hmmm * add cache * add vendor directory * verbose * ci updates * update some little things * update sig
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go47
1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go b/vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go
new file mode 100644
index 000000000..63b7733e0
--- /dev/null
+++ b/vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go
@@ -0,0 +1,47 @@
+// +build race
+
+package encoder
+
+import (
+ "sync"
+ "unsafe"
+
+ "github.com/goccy/go-json/internal/runtime"
+)
+
+var setsMu sync.RWMutex
+
+func CompileToGetCodeSet(typeptr uintptr) (*OpcodeSet, error) {
+ if typeptr > typeAddr.MaxTypeAddr {
+ return compileToGetCodeSetSlowPath(typeptr)
+ }
+ index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
+ setsMu.RLock()
+ if codeSet := cachedOpcodeSets[index]; codeSet != nil {
+ setsMu.RUnlock()
+ return codeSet, nil
+ }
+ setsMu.RUnlock()
+
+ // noescape trick for header.typ ( reflect.*rtype )
+ copiedType := *(**runtime.Type)(unsafe.Pointer(&typeptr))
+
+ code, err := compileHead(&compileContext{
+ typ: copiedType,
+ structTypeToCompiledCode: map[uintptr]*CompiledCode{},
+ })
+ if err != nil {
+ return nil, err
+ }
+ code = copyOpcode(code)
+ codeLength := code.TotalLength()
+ codeSet := &OpcodeSet{
+ Type: copiedType,
+ Code: code,
+ CodeLength: codeLength,
+ }
+ setsMu.Lock()
+ cachedOpcodeSets[index] = codeSet
+ setsMu.Unlock()
+ return codeSet, nil
+}