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feat: added put(FieldProxy) and set(FieldProxy) to easily manipulate fields
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1 changed files with 41 additions and 2 deletions
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@ -1,9 +1,11 @@
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package ftbsc.lll.tools;
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import ftbsc.lll.proxies.MethodProxy;
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import ftbsc.lll.proxies.FieldProxy;
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import org.objectweb.asm.Opcodes;
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import org.objectweb.asm.tree.*;
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import java.lang.reflect.Modifier;
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import java.util.Comparator;
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/**
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@ -86,9 +88,46 @@ public class StackTools implements Opcodes {
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}
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/**
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* Calls the given {@link MethodProxy} with the given opcode.
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* Builds a node setting the given {@link FieldProxy} to the value currently
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* on top of the stack.
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* @implSpec if the field is not static, you are to load the containing
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* object onto the stack the value you want to assign.
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* @param f a {@link FieldProxy} representing the field to put.
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* @return a {@link FieldInsnNode} representing the built node.
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* @since 0.3.0
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*/
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public static FieldInsnNode put(FieldProxy f) {
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return new FieldInsnNode(
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Modifier.isStatic(f.getModifiers()) ? PUTSTATIC : PUTFIELD,
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f.getParent().replace('.', '/'),
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f.getSrgName(),
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f.getDescriptor()
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);
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}
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/**
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* Builds a node loading the given {@link FieldProxy} onto the stack.
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* @implSpec if the field is not static, you are to load the containing
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* object onto the stack before calling this.
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* @param f a {@link FieldProxy} representing the field to load.
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* @return a {@link FieldInsnNode} representing the built node.
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* @since 0.3.0
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*/
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public static FieldInsnNode get(FieldProxy f) {
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return new FieldInsnNode(
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Modifier.isStatic(f.getModifiers()) ? GETSTATIC : GETFIELD,
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f.getParent().replace('.', '/'),
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f.getSrgName(),
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f.getDescriptor()
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);
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}
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/**
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* Builds a node calling the given {@link MethodProxy} with the given opcode.
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* @param m a {@link MethodProxy} representing the method to call.
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* @return a {@link MethodInsnNode} representing the build node.
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* @param opcode the opcode to use to call, must be one of INVOKEDYNAMIC,
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* INVOKESPECIAL, INVOKEINTERFACE, INVOKESTATIC or INVOKEVIRTUAL.
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* @return a {@link MethodInsnNode} representing the built node.
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* @since 0.3.0
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*/
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public static MethodInsnNode call(MethodProxy m, int opcode) {
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