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Diffstat (limited to 'src/main/java/ftbsc/lll/proxies/MethodProxy.java')
-rw-r--r--src/main/java/ftbsc/lll/proxies/MethodProxy.java119
1 files changed, 18 insertions, 101 deletions
diff --git a/src/main/java/ftbsc/lll/proxies/MethodProxy.java b/src/main/java/ftbsc/lll/proxies/MethodProxy.java
index ff5e1f0..5f80c08 100644
--- a/src/main/java/ftbsc/lll/proxies/MethodProxy.java
+++ b/src/main/java/ftbsc/lll/proxies/MethodProxy.java
@@ -1,12 +1,13 @@
package ftbsc.lll.proxies;
-import ftbsc.lll.tools.DescriptorBuilder;
import org.objectweb.asm.Type;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
+import static ftbsc.lll.tools.DescriptorBuilder.nameToDescriptor;
+
/**
* A container for information about class methods to be used
* in ASM patching.
@@ -16,23 +17,13 @@ public class MethodProxy extends AbstractProxy {
/**
* The parameters of the method.
- * It holds fully qualified names for objects, and {@link Class}
- * objects for primitives.
*/
- private final Object[] parameters;
+ public final Type[] parameters;
/**
* The return type of the method.
- * It contains if it's an object, or a {@link Class}
- * object for primitives.
- */
- private final Object returnType;
-
- /**
- * Caches the the descriptor after generating it once for
- * performance.
*/
- private String descriptorCache;
+ public final Type returnType;
/**
* A public constructor, builds a proxy from a {@link Method}
@@ -40,13 +31,10 @@ public class MethodProxy extends AbstractProxy {
* @param m the {@link Method} object corresponding to this.
*/
public MethodProxy(Method m) {
- super(m.getName(), m.getModifiers(), Type.getInternalName(m.getDeclaringClass()));
- List<Object> parameters = new ArrayList<>();
- for(Class<?> p : m.getParameterTypes())
- parameters.add(p.isPrimitive() ? p : new TypeContainer(p));
- this.parameters = parameters.toArray();
- Class<?> returnType = m.getReturnType();
- this.returnType = returnType.isPrimitive() ? returnType : new TypeContainer(returnType);
+ super(m.getName(), Type.getType(m), m.getModifiers(), Type.getInternalName(m.getDeclaringClass()));
+ Type mt = Type.getType(m);
+ this.parameters = mt.getArgumentTypes();
+ this.returnType = mt.getReturnType();
}
/**
@@ -57,41 +45,10 @@ public class MethodProxy extends AbstractProxy {
* @param parameters the parameters of the method
* @param returnType the return type of the method
*/
- protected MethodProxy(String name, int modifiers, String parent, Object[] parameters, Object returnType) {
- super(name, modifiers, parent);
+ protected MethodProxy(String name, int modifiers, String parent, Type[] parameters, Type returnType) {
+ super(name, Type.getMethodType(returnType, parameters), modifiers, parent);
this.parameters = parameters;
this.returnType = returnType;
- this.descriptorCache = null;
- }
-
- /**
- * Builds (or returns from cache if present)
- * the method's descriptor.
- * @return the method's descriptor
- */
- @Override
- public String getDescriptor() {
- if(this.descriptorCache != null)
- return this.descriptorCache;
- DescriptorBuilder b = new DescriptorBuilder();
- for(Object p : this.parameters)
- addParameterToBuilder(b, p);
- addParameterToBuilder(b, this.returnType);
- this.descriptorCache = b.build();
- return this.descriptorCache;
- }
-
- /**
- * A static method used internally to correctly insert a
- * {@link TypeContainer} into a {@link DescriptorBuilder}.
- * @param b the {@link DescriptorBuilder}
- * @param p the {@link TypeContainer}
- */
- private static void addParameterToBuilder(DescriptorBuilder b, Object p) {
- if(p instanceof TypeContainer) {
- TypeContainer param = (TypeContainer) p;
- b.addParameter(param.fqn, param.arrayLevel);
- } else b.addParameter((Class<?>) p);
}
/**
@@ -110,12 +67,12 @@ public class MethodProxy extends AbstractProxy {
/**
* The parameters of the method.
*/
- private final List<Object> parameters;
+ private final List<Type> parameters;
/**
* The return type of the method. Defaults to void.
*/
- private Object returnType;
+ private Type returnType;
/**
* The constructor of the builder, used only internally.
@@ -124,7 +81,7 @@ public class MethodProxy extends AbstractProxy {
Builder(String name) {
super(name);
this.parameters = new ArrayList<>();
- this.returnType = void.class;
+ this.returnType = Type.getType(void.class);
}
/**
@@ -134,7 +91,7 @@ public class MethodProxy extends AbstractProxy {
* @return the builder's state after the change
*/
public Builder addParameter(String fqn, int arrayLevel) {
- this.parameters.add(new TypeContainer(fqn, arrayLevel));
+ this.parameters.add(Type.getType(nameToDescriptor(fqn, arrayLevel)));
return this;
}
@@ -145,7 +102,7 @@ public class MethodProxy extends AbstractProxy {
* @return the builder's state after the change
*/
public Builder addParameter(Class<?> paramType) {
- this.parameters.add(paramType);
+ this.parameters.add(Type.getType(paramType));
return this;
}
@@ -156,7 +113,7 @@ public class MethodProxy extends AbstractProxy {
* @return the builder's state after the change
*/
public Builder setReturnType(String fqn, int arrayLevel) {
- this.returnType = new TypeContainer(fqn, arrayLevel);
+ this.returnType = Type.getType(nameToDescriptor(fqn, arrayLevel));
return this;
}
@@ -167,7 +124,7 @@ public class MethodProxy extends AbstractProxy {
* @return the builder's state after the change
*/
public Builder setReturnType(Class<?> returnType) {
- this.returnType = returnType;
+ this.returnType = Type.getType(returnType);
return this;
}
@@ -177,47 +134,7 @@ public class MethodProxy extends AbstractProxy {
*/
@Override
public MethodProxy build() {
- return new MethodProxy(name, modifiers, parent, parameters.toArray(), returnType);
- }
- }
-
- /**
- * A container class, holding information about a given type.
- */
- protected static class TypeContainer {
- /**
- * The fully qualified name of the type.
- */
- public final String fqn;
-
- /**
- * The array level of the type.
- */
- public final int arrayLevel;
-
- /**
- * Public constructor for the class.
- * @param fqn the fully qualified name of the type
- * @param arrayLevel the array level of the type
- */
- public TypeContainer(String fqn, int arrayLevel) {
- this.fqn = fqn;
- this.arrayLevel = arrayLevel;
- }
-
- /**
- * Public constructor for the class, extracting the
- * necessary information from a {@link Class} object.
- * @param clazz the class object
- */
- public TypeContainer(Class<?> clazz) {
- int arrayLevel = 0;
- while(clazz.isArray()) {
- arrayLevel++;
- clazz = clazz.getComponentType();
- }
- this.arrayLevel = arrayLevel;
- this.fqn = clazz.getCanonicalName();
+ return new MethodProxy(name, modifiers, parent, parameters.toArray(new Type[0]), returnType);
}
}
}