From 52ab426d8fad3dbee7e728f523a35af94facebda Mon Sep 17 00:00:00 2001
From: jeff
Date: Tue, 3 Feb 2015 22:00:53 -0500
Subject: oops, don't depend on local procyon project

---
 .../enigma/bytecode/MethodParameterWriter.java     | 66 ++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/cuchaz/enigma/bytecode/MethodParameterWriter.java

(limited to 'src/cuchaz/enigma/bytecode/MethodParameterWriter.java')

diff --git a/src/cuchaz/enigma/bytecode/MethodParameterWriter.java b/src/cuchaz/enigma/bytecode/MethodParameterWriter.java
new file mode 100644
index 0000000..5a11cd8
--- /dev/null
+++ b/src/cuchaz/enigma/bytecode/MethodParameterWriter.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * Copyright (c) 2014 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Public License v3.0
+ * which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/gpl.html
+ * 
+ * Contributors:
+ *     Jeff Martin - initial API and implementation
+ ******************************************************************************/
+package cuchaz.enigma.bytecode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javassist.CtBehavior;
+import javassist.CtClass;
+import javassist.CtConstructor;
+import javassist.CtMethod;
+import javassist.bytecode.Descriptor;
+import cuchaz.enigma.mapping.ArgumentEntry;
+import cuchaz.enigma.mapping.BehaviorEntry;
+import cuchaz.enigma.mapping.ClassEntry;
+import cuchaz.enigma.mapping.ConstructorEntry;
+import cuchaz.enigma.mapping.MethodEntry;
+import cuchaz.enigma.mapping.Translator;
+
+public class MethodParameterWriter {
+	
+	private Translator m_translator;
+	
+	public MethodParameterWriter(Translator translator) {
+		m_translator = translator;
+	}
+	
+	public void writeMethodArguments(CtClass c) {
+		
+		// Procyon will read method arguments from the "MethodParameters" attribute, so write those
+		ClassEntry classEntry = new ClassEntry(Descriptor.toJvmName(c.getName()));
+		for (CtBehavior behavior : c.getDeclaredBehaviors()) {
+			int numParams = Descriptor.numOfParameters(behavior.getMethodInfo().getDescriptor());
+			if (numParams <= 0) {
+				continue;
+			}
+			
+			// get the behavior entry
+			BehaviorEntry behaviorEntry;
+			if (behavior instanceof CtMethod) {
+				behaviorEntry = new MethodEntry(classEntry, behavior.getMethodInfo().getName(), behavior.getSignature());
+			} else if (behavior instanceof CtConstructor) {
+				behaviorEntry = new ConstructorEntry(classEntry, behavior.getSignature());
+			} else {
+				throw new Error("Unsupported behavior type: " + behavior.getClass().getName());
+			}
+			
+			// get the list of parameter names
+			List<String> names = new ArrayList<String>(numParams);
+			for (int i = 0; i < numParams; i++) {
+				names.add(m_translator.translate(new ArgumentEntry(behaviorEntry, i, "")));
+			}
+			
+			// save the mappings to the class
+			MethodParametersAttribute.updateClass(behavior.getMethodInfo(), names);
+		}
+	}
+}
-- 
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