NeededEntitiesEmitterEmitNeededVarAndRuleEntities Method

pre-run for emitting the needed entities before emitting the real code - emits result variable declarations - emits sequence variable declarations (only once for every variable, declaration only possible at assignment targets) - collects used rules into knownRules, emit local rule declaration (only once for every rule)

public void EmitNeededVarAndRuleEntities(
	Sequence seq,
	SourceBuilder source
)