syncthing/vendor/github.com/onsi/ginkgo/internal/codelocation/code_location.go

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package codelocation
import (
"regexp"
"runtime"
"runtime/debug"
"strings"
"github.com/onsi/ginkgo/types"
)
func New(skip int) types.CodeLocation {
_, file, line, _ := runtime.Caller(skip + 1)
stackTrace := PruneStack(string(debug.Stack()), skip)
return types.CodeLocation{FileName: file, LineNumber: line, FullStackTrace: stackTrace}
}
func PruneStack(fullStackTrace string, skip int) string {
stack := strings.Split(fullStackTrace, "\n")
if len(stack) > 2*(skip+1) {
stack = stack[2*(skip+1):]
}
prunedStack := []string{}
re := regexp.MustCompile(`\/ginkgo\/|\/pkg\/testing\/|\/pkg\/runtime\/`)
for i := 0; i < len(stack)/2; i++ {
if !re.Match([]byte(stack[i*2])) {
prunedStack = append(prunedStack, stack[i*2])
prunedStack = append(prunedStack, stack[i*2+1])
}
}
return strings.Join(prunedStack, "\n")
}