From 663631f0456fcc245dd835889f86541d75161c53 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Thu, 28 Aug 2014 20:52:43 +0400
Subject: java-decompiler: post-import cleanup (classes moved)

---
 .../main/collectors/VarNamesCollector.java         | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/org/jetbrains/java/decompiler/main/collectors/VarNamesCollector.java

(limited to 'src/org/jetbrains/java/decompiler/main/collectors/VarNamesCollector.java')

diff --git a/src/org/jetbrains/java/decompiler/main/collectors/VarNamesCollector.java b/src/org/jetbrains/java/decompiler/main/collectors/VarNamesCollector.java
new file mode 100644
index 0000000..5fd33c0
--- /dev/null
+++ b/src/org/jetbrains/java/decompiler/main/collectors/VarNamesCollector.java
@@ -0,0 +1,50 @@
+/*
+ *    Fernflower - The Analytical Java Decompiler
+ *    http://www.reversed-java.com
+ *
+ *    (C) 2008 - 2010, Stiver
+ *
+ *    This software is NEITHER public domain NOR free software 
+ *    as per GNU License. See license.txt for more details.
+ *
+ *    This software is distributed WITHOUT ANY WARRANTY; without 
+ *    even the implied warranty of MERCHANTABILITY or FITNESS FOR 
+ *    A PARTICULAR PURPOSE. 
+ */
+
+package org.jetbrains.java.decompiler.main.collectors;
+
+import java.util.HashSet;
+
+public class VarNamesCollector {
+
+	private HashSet<String> usedNames = new HashSet<String>();
+	
+	public VarNamesCollector() {}
+
+	public VarNamesCollector(HashSet<String> setNames) {
+		usedNames.addAll(setNames);
+	}
+	
+	public void addName(String value) {
+		usedNames.add(value);
+	}
+
+	public String getFreeName(int index) {
+		return getFreeName("var"+index); 
+	}
+	
+	public String getFreeName(String proposition) {
+		
+		while(usedNames.contains(proposition)) {
+			proposition+="x";
+		}
+		usedNames.add(proposition);
+		return proposition;
+	}
+
+	public HashSet<String> getUsedNames() {
+		return usedNames;
+	}
+	
+}
-- 
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