package main import ( "strings" "mvdan.cc/sh/v3/syntax" ) func get_ignored_and_deps(code string) ([]string, []string) { var ignored []string = []string{"alias", "bind", "builtin", "caller", "command", "declare", "echo", "enable", "let", "local", "logout", "mapfile", "printf", "read", "readarray", "source", "type", "typeset", "ulimit", "unalias"} var deps []string for _, line := range strings.Split(code, "\n") { splitted := strings.Split(line, " ") if len(splitted) < 2 { continue } if splitted[0] == "#bshchk:ignore-cmd" { ignored = append(ignored, splitted[1:]...) } if splitted[0] == "#bshchk:add-cmd" { deps = append(deps, splitted[1:]...) } } return ignored, deps } func find(code string) ([]string, error) { r := strings.NewReader(code) f, err := syntax.NewParser().Parse(r, "") if err != nil { return make([]string, 0), err } ignored, deps := get_ignored_and_deps(code) syntax.Walk(f, func(node syntax.Node) bool { switch x := node.(type) { case *syntax.CallExpr: for i := range x.Args { for _, part := range x.Args[i].Parts { switch xx := part.(type) { case *syntax.Lit: deps = append(deps, xx.Value) } return true } } } return true }) var finished_deps []string for _, dep := range deps { is_builtin := false for _, builtin := range ignored { if dep == builtin { is_builtin = true } } if !is_builtin { finished_deps = append(finished_deps, dep) } } return finished_deps, nil }