vikunja-api/vendor/honnef.co/go/tools/functions/terminates.go
renovate def2362682 Update module spf13/viper to v1.7.0 (#494)
Update module spf13/viper to v1.7.0

Reviewed-on: https://kolaente.dev/vikunja/api/pulls/494
2020-05-09 13:44:17 +00:00

24 lines
579 B
Go

package functions
import "honnef.co/go/tools/ssa"
// Terminates reports whether fn is supposed to return, that is if it
// has at least one theoretic path that returns from the function.
// Explicit panics do not count as terminating.
func Terminates(fn *ssa.Function) bool {
if fn.Blocks == nil {
// assuming that a function terminates is the conservative
// choice
return true
}
for _, block := range fn.Blocks {
if len(block.Instrs) == 0 {
continue
}
if _, ok := block.Instrs[len(block.Instrs)-1].(*ssa.Return); ok {
return true
}
}
return false
}