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path: root/src_eclipseagent/lombok/eclipse/agent/PatchFixes.java
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package lombok.eclipse.agent;

import java.lang.reflect.Field;

import org.eclipse.jdt.core.dom.SimpleName;

public class PatchFixes {
	public static int fixRetrieveStartingCatchPosition(int in) {
		return in;
	}
	
	private static final int BIT24 = 0x800000;
	
	public static boolean checkBit24(Object node) throws Exception {
		int bits = (Integer)(node.getClass().getField("bits").get(node));
		return (bits & BIT24) != 0;
	}
	
	public static void setIsGeneratedFlag(org.eclipse.jdt.core.dom.ASTNode domNode,
			org.eclipse.jdt.internal.compiler.ast.ASTNode internalNode) throws Exception {
		boolean isGenerated = internalNode.getClass().getField("$generatedBy").get(internalNode) != null;
		if (isGenerated) domNode.getClass().getField("$isGenerated").set(domNode, true);
	}
	
	public static void setIsGeneratedFlagForSimpleName(SimpleName name, Object internalNode) throws Exception {
		System.out.println("Setting isGenerated on SimpleName");
		if (internalNode instanceof org.eclipse.jdt.internal.compiler.ast.ASTNode) {
			if (internalNode.getClass().getField("$generatedBy").get(internalNode) != null) {
				name.getClass().getField("$isGenerated").set(name, true);
			}
		}
	}
	
	public static SimpleName[] removeGeneratedSimpleNames(SimpleName[] in) throws Exception {
		System.out.print("Removing is generated...");
		Field f = SimpleName.class.getField("$isGenerated");
		
		int count = 0;
		for (int i = 0; i < in.length; i++) {
			if ( in[i] == null || !((Boolean)f.get(in[i])).booleanValue() ) count++;
		}
		System.out.println("" + (in.length - count));
		if (count == in.length) return in;
		SimpleName[] newSimpleNames = new SimpleName[count];
		count = 0;
		for (int i = 0; i < in.length; i++) {
			if ( in[i] == null || !((Boolean)f.get(in[i])).booleanValue() ) newSimpleNames[count++] = in[i];
		}
		return newSimpleNames;
	}
}