1 files changed, 35 insertions, 0 deletions
diff --git a/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java b/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java
new file mode 100644
index 0000000..6bf332f
--- /dev/null
+++ b/src/main/java/bjc/rgens/parser/elements/vars/RRefVariableElement.java
@@ -0,0 +1,35 @@
+package bjc.rgens.parser.elements.vars;
+
+import bjc.rgens.parser.GenerationState;
+import bjc.rgens.parser.GrammarException;
+import bjc.rgens.parser.Rule;
+
+public class RRefVariableElement extends VariableElement {
+	public String value;
+
+	private boolean forbidSpaces;
+
+	public RRefVariableElement(boolean forbidSpaces, String val) {
+		value = val;
+	}
+	
+	public void generate(GenerationState state) {
+		if(!state.rlVars.containsKey(value)) {
+			throw new GrammarException("No rule variable named " + value);
+		}
+
+		Rule rl = state.findRule(value, true);
+
+		GenerationState newState = state.newBuf();
+
+		rl.generate(newState);
+
+		String res = newState.contents.toString();
+
+		if(forbidSpaces && res.contains(" ")) {
+			throw new GrammarException("Spaces not allowed in this context (rule-reference %s)");
+		}
+
+		state.contents.append(res);
+	}
+}