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[v2] Guard against nil context

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This commit is contained in:
Lea Anthony 2021-09-09 20:11:48 +10:00
commit 88bbfcb7f1
1 changed files with 18 additions and 0 deletions
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18
v2/pkg/runtime/runtime.go
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@ -9,6 +9,11 @@ import (
)
func getFrontend(ctx context.Context) frontend.Frontend {
if ctx == nil {
pc, _, _, _ := goruntime.Caller(1)
funcName := goruntime.FuncForPC(pc).Name()
log.Fatalf("cannot call '%s': context is nil", funcName)
}
result := ctx.Value("frontend")
if result != nil {
return result.(frontend.Frontend)
@ -19,6 +24,11 @@ func getFrontend(ctx context.Context) frontend.Frontend {
return nil
}
func getLogger(ctx context.Context) *logger.Logger {
if ctx == nil {
pc, _, _, _ := goruntime.Caller(1)
funcName := goruntime.FuncForPC(pc).Name()
log.Fatalf("cannot call '%s': context is nil", funcName)
}
result := ctx.Value("logger")
if result != nil {
return result.(*logger.Logger)
@ -30,6 +40,11 @@ func getLogger(ctx context.Context) *logger.Logger {
}
func getEvents(ctx context.Context) frontend.Events {
if ctx == nil {
pc, _, _, _ := goruntime.Caller(1)
funcName := goruntime.FuncForPC(pc).Name()
log.Fatalf("cannot call '%s': context is nil", funcName)
}
result := ctx.Value("events")
if result != nil {
return result.(frontend.Events)
@ -42,6 +57,9 @@ func getEvents(ctx context.Context) frontend.Events {
// Quit the application
func Quit(ctx context.Context) {
if ctx == nil {
log.Fatalf("cannot call Quit: context is nil")
}
appFrontend := getFrontend(ctx)
appFrontend.Quit()
}