forked from blek/bshchk
52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
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package main
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import (
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"strings"
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"mvdan.cc/sh/v3/syntax"
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)
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func find(code string) ([]string, error) {
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r := strings.NewReader(code)
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f, err := syntax.NewParser().Parse(r, "")
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if err != nil {
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return make([]string, 0), err
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}
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var builtins = [...]string{"alias", "bind", "builtin", "caller", "command", "declare", "echo", "enable", "help", "let", "local", "logout", "mapfile", "printf", "read", "readarray", "source", "type", "typeset", "ulimit", "unalias"}
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var deps []string
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syntax.Walk(f, func(node syntax.Node) bool {
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switch x := node.(type) {
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case *syntax.CallExpr:
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for i := range x.Args {
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for _, part := range x.Args[i].Parts {
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switch xx := part.(type) {
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case *syntax.Lit:
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deps = append(deps, xx.Value)
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}
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return true
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}
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}
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}
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return true
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})
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var finished_deps []string
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for _, dep := range deps {
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is_builtin := false
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for _, builtin := range builtins {
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if dep == builtin {
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is_builtin = true
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}
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}
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if !is_builtin {
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finished_deps = append(finished_deps, dep)
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}
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}
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return finished_deps, nil
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}
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