Function includeBasePathCandidates

depgraph/languages/cpp/parser_cpp.go:279–305

(sourceDir, includePath string)

}

func includeBasePathCandidates(sourceDir, includePath string) []string {
	candidates := make(map[string]bool)
	add := func(p string) {
		candidates[filepath.Clean(p)] = true
	}

	// Always try source-relative first.
	add(filepath.Join(sourceDir, includePath))

	// Also try ancestor roots and common include roots.
	for dir := sourceDir; ; dir = filepath.Dir(dir) {
		add(filepath.Join(dir, includePath))
		add(filepath.Join(dir, "include", includePath))

		parent := filepath.Dir(dir)
		if parent == dir {
			break
		}
	}

	out := make([]string, 0, len(candidates))
	for p := range candidates {
		out = append(out, p)
	}
	sort.Strings(out)
	return out
}