fortify/error.go
Ophestra Umiker d5c26ae593
fortify: move error handling to separate file
Error handling here is way too monstrous due to terrible design of the internal/app package. Since rewriting internal/app will take a while, error handling is moved out of main to improve readability.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>
2024-10-12 02:11:43 +09:00

62 lines
1.4 KiB
Go

package main
import (
"errors"
"fmt"
"os"
"git.ophivana.moe/cat/fortify/internal/app"
)
func logWaitError(err error) {
var e *app.BaseError
if !app.AsBaseError(err, &e) {
fmt.Println("fortify: wait failed:", err)
} else {
// Wait only returns either *app.ProcessError or *app.StateStoreError wrapped in a *app.BaseError
var se *app.StateStoreError
if !errors.As(err, &se) {
// does not need special handling
fmt.Print("fortify: " + e.Message())
} else {
// inner error are either unwrapped store errors
// or joined errors returned by *appSealTx revert
// wrapped in *app.BaseError
var ej app.RevertCompoundError
if !errors.As(se.InnerErr, &ej) {
// does not require special handling
fmt.Print("fortify: " + e.Message())
} else {
errs := ej.Unwrap()
// every error here is wrapped in *app.BaseError
for _, ei := range errs {
var eb *app.BaseError
if !errors.As(ei, &eb) {
// unreachable
fmt.Println("fortify: invalid error type returned by revert:", ei)
} else {
// print inner *app.BaseError message
fmt.Print("fortify: " + eb.Message())
}
}
}
}
}
}
func logBaseError(err error, message string) {
var e *app.BaseError
if app.AsBaseError(err, &e) {
fmt.Print("fortify: " + e.Message())
} else {
fmt.Println(message, err)
}
}
func fatalf(format string, a ...any) {
fmt.Printf("fortify: "+format, a...)
os.Exit(1)
}