From 9de5a19d573de7289cbd5a65ea5d101ddaf8db64 Mon Sep 17 00:00:00 2001
From: Ben Culkin <scorpress@gmail.com>
Date: Sun, 25 Jun 2023 15:54:24 -0400
Subject: Cleanups

---
 .../java/bjc/rgens/parser/RGrammarBuilder.java     | 11 +++--
 .../rgens/parser/templates/GrammarTemplate.java    | 48 +++++++++++-----------
 2 files changed, 28 insertions(+), 31 deletions(-)

diff --git a/src/main/java/bjc/rgens/parser/RGrammarBuilder.java b/src/main/java/bjc/rgens/parser/RGrammarBuilder.java
index a1efcb3..b09c9e4 100644
--- a/src/main/java/bjc/rgens/parser/RGrammarBuilder.java
+++ b/src/main/java/bjc/rgens/parser/RGrammarBuilder.java
@@ -89,13 +89,12 @@ public class RGrammarBuilder {
 
 		if(rules.containsKey(rName)) {
 			return rules.get(rName);
-		} else {
-			Rule ret = new Rule(rName);
-
-			rules.put(rName, ret);
-
-			return ret;
 		}
+		
+		Rule ret = new Rule(rName);
+		rules.put(rName, ret);
+
+		return ret;
 	}
 
 	/**
diff --git a/src/main/java/bjc/rgens/parser/templates/GrammarTemplate.java b/src/main/java/bjc/rgens/parser/templates/GrammarTemplate.java
index 6303fa6..8663372 100644
--- a/src/main/java/bjc/rgens/parser/templates/GrammarTemplate.java
+++ b/src/main/java/bjc/rgens/parser/templates/GrammarTemplate.java
@@ -76,33 +76,31 @@ public class GrammarTemplate {
 		List<TemplateElement> elements = new ArrayList<>();
 		GrammarTemplate template = new GrammarTemplate(elements);
 
-		Scanner scn = new Scanner(rdr);
-		scn.useDelimiter("\\R");
-
-		int lno = 0;
-		while(scn.hasNextLine()) {
-			String ln = scn.nextLine();
-			lno += 1;
-
-			Tree<String> kid = new SimpleTree<>(String.format("INFO: Line %d", lno));
-			switch(ln.charAt(0)) {
-			case '#':
-				// Ignore comments
-				break;
-			case '/':
-				handlePragma(elements, template, ln.substring(1), kid);
-				break;
-			default:
-				handleLine(elements, template, ln, kid);
-			}
-
-			if (kid.size() > 0) {
-				errs.addChild(kid);
+		try (Scanner scn = new Scanner(rdr)) {
+			scn.useDelimiter("\\R");
+
+			int lno = 0;
+			while(scn.hasNextLine()) {
+				String ln = scn.nextLine();
+				lno += 1;
+
+				Tree<String> kid = new SimpleTree<>(String.format("INFO: Line %d", lno));
+				switch(ln.charAt(0)) {
+				case '#':
+					// Ignore comments
+					break;
+				case '/':
+					handlePragma(elements, template, ln.substring(1), kid);
+					break;
+				default:
+					handleLine(elements, template, ln, kid);
+				}
+
+				if (kid.size() > 0) {
+					errs.addChild(kid);
+				}
 			}
 		}
-
-		scn.close();
-		
 		return template;
 	}
 
-- 
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