Function Compile

lib/policy/expressions/environment.go:237–255

Compile takes CEL environment and syntax tree then emits an optimized Program for execution.

(env *cel.Env, src string)

// Compile takes CEL environment and syntax tree then emits an optimized
// Program for execution.
func Compile(env *cel.Env, src string) (cel.Program, error) {
	intermediate, iss := env.Compile(src)
	if iss != nil {
		return nil, iss.Err()
	}

	ast, iss := env.Check(intermediate)
	if iss != nil {
		return nil, iss.Err()
	}

	return env.Program(
		ast,
		cel.EvalOptions(
			// optimize regular expressions right now instead of on the fly
			cel.OptOptimize,
		),
	)
}