analyze

type Finding struct {
	Pass     string // pass that produced it: "complexity", "lint", "security"
	Rule     string // rule id, e.g. "high-complexity", "unused-local"
	Severity Severity
	Message  string
	Line     int
}

type Metrics struct {
	Lines           int
	Functions       int // excludes the main chunk
	MaxComplexity   int
	TotalComplexity int
}

type Options struct {
	MaxComplexity int // functions above this are flagged; default 10
}

type Pass interface {
	Name() string
	Run(prog *ast.Program, opts Options, rep *Report)
}

type Report struct {
	Findings []Finding
	Metrics  Metrics
}

type Severity int