Make variable fields private

This makes the two maps in GenerationState private. Use the
defineVar/findVar or defineRuleVar/findRuleVar instead.

This is another change on the way to doing autovivify

1 files changed, 1 insertions, 5 deletions

diff --git a/src/main/java/bjc/rgens/parser/elements/vars/ARefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/ARefVariableElement.java
index a4bb730..5e8fe05 100644
--- a/src/main/java/bjc/rgens/parser/elements/vars/ARefVariableElement.java
+++ b/src/main/java/bjc/rgens/parser/elements/vars/ARefVariableElement.java
@@ -14,11 +14,7 @@ public class ARefVariableElement extends VariableElement {
 	}
 	
 	public void generate(GenerationState state) {
-		if(!state.rlVars.containsKey(value)) {
-			throw new GrammarException("No rule variable named " + value);
-		}
-
-		Rule rl = state.rlVars.get(value);
+		Rule rl = state.findRuleVar(value, state);
 
 		GenerationState newState = state.newBuf();