//
// A term is a simple "expression".
// A nil return means the next item is not a term.
func (t *Tree) term() Node {
	switch token := t.nextNonSpace(); token.typ {
	case itemIdentifier:
		checkFunc := t.Mode&SkipFuncCheck == 0
		if checkFunc && !t.hasFunction(token.val) {
			t.errorf("function %q not defined", token.val)
		}
		return NewIdentifier(token.val).SetTree(t).SetPos(token.pos)
	case itemDot:
		return t.newDot(token.pos)

		}
	}()

	// Run all the passes
	if f.Log() {
		printFunc(f)
	}
	f.HTMLWriter.WritePhase("start", "start")
	if BuildDump[f.Name] {
		f.dumpFile("build")
	}
	if checkEnabled {
		checkFunc(f)
	}
	const logMemStats = false
	for _, p := range passes {
		if !f.Config.optimize && !p.required || p.disabled {
			continue
		}
		f.pass = &p
		phaseName = p.name
		if f.Log() {