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Code Issues 2 Packages Projects Releases 3 Wiki Activity

support for conditional return with methods that return a boolean + constructor callback support

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Parnassian
2015-05-03 00:12:06 +02:00
parent cacbf02b61
commit cb857fd8b9
1 changed files with 24 additions and 2 deletions
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parabotv2/src/org/parabot/core/asm/adapters/AddCallbackAdapter.java
+24 -2
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@@ -5,6 +5,7 @@ import java.lang.reflect.Modifier;
import org.objectweb.asm.Label;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.tree.AbstractInsnNode;
import org.objectweb.asm.tree.InsnList;
import org.objectweb.asm.tree.InsnNode;
import org.objectweb.asm.tree.JumpInsnNode;
@@ -67,10 +68,31 @@ public class AddCallbackAdapter implements Injectable, Opcodes {
if(this.conditional) {
LabelNode ln = new LabelNode(new Label());
inject.add(new JumpInsnNode(IFEQ, ln));
inject.add(new InsnNode(RETURN));
if(Type.getReturnType(method.desc).equals(Type.BOOLEAN_TYPE)) {
inject.add(new InsnNode(ICONST_1));
inject.add(new InsnNode(IRETURN));
} else {
inject.add(new InsnNode(RETURN));
}
inject.add(ln);
}
this.method.instructions.insert(inject);
if(method.name.startsWith("<") && !Modifier.isStatic(method.access)) {
// find target
AbstractInsnNode target = null;
for(AbstractInsnNode node : this.method.instructions.toArray()) {
if(node.getOpcode() == Opcodes.INVOKESPECIAL) {
target = node;
break;
}
}
if(target != null) {
this.method.instructions.insert(target, inject);
}
} else {
this.method.instructions.insert(inject);
}
}
}