package compiler

import (
	"git.urbach.dev/cli/q/src/core"
)

// eachFunction recursively finds all the calls to other functions.
// It avoids calling the same function twice with the help of a hashmap.
func (r *Result) eachFunction(caller *core.Function, traversed map[*core.Function]bool, call func(*core.Function)) {
	call(caller)
	traversed[caller] = true

	for function := range caller.Dependencies.All() {
		if traversed[function] {
			continue
		}

		r.eachFunction(function, traversed, call)
	}
}