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fix: typo in condition, several exceptions, removed unused

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zaaarf 2023-03-25 19:33:51 +01:00
parent a51cbceebc
commit cd21d0973d
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GPG key ID: 82240E075E31FA4C
4 changed files with 30 additions and 48 deletions
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16
src/main/java/ftbsc/lll/exceptions/TargetNotFoundException.java
View file

@ -8,9 +8,19 @@ public class TargetNotFoundException extends RuntimeException {
/**
* Constructs a new target not found exception for the specified method stub.
* @param type the type of element being sought (class, method, etc.)
* @param stub the stub's name (and descriptor possibly)
* @param member the stub's name (and descriptor possibly)
*/
public TargetNotFoundException(String type, String stub) {
super(String.format("Could not find target %s %s.", type, stub));
public TargetNotFoundException(String type, String member) {
super(String.format("Could not find target %s %s.", type, member));
}
/**
* Constructs a new target not found exception for the specified method stub.
* @param type the type of element being sought (class, method, etc.)
* @param member the stub's name (and descriptor possibly)
* @param parent the parent of the member
*/
public TargetNotFoundException(String type, String member, String parent) {
super(String.format("Could not find target %s %s in class %s.", type, member, parent));
}
}

4
src/main/java/ftbsc/lll/processor/LilleroProcessor.java
View file

@ -202,7 +202,7 @@ public class LilleroProcessor extends AbstractProcessor {
//take care of TypeProxies and FieldProxies first
for(VariableElement proxyVar : finders) {
ProxyType type = getProxyType(proxyVar);
if(type == ProxyType.METHOD && !proxyVar.getAnnotation(Find.class).name().equals("")) {
if(type == ProxyType.METHOD && proxyVar.getAnnotation(Find.class).name().equals("")) {
//methods without a specified name will be handled later
methodFinders.add(proxyVar);
continue;
@ -412,7 +412,7 @@ public class LilleroProcessor extends AbstractProcessor {
this.injector = injector;
this.targetStub = targetStub;
this.reason = injector.getAnnotation(Injector.class).reason();
this.target = findMethodFromStub(targetStub, processingEnv);
this.target = findMethodFromStub(targetStub, null, processingEnv);
}
}
}

47
src/main/java/ftbsc/lll/processor/tools/ASTUtils.java
View file

@ -13,7 +13,9 @@ import ftbsc.lll.proxies.ProxyType;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.*;
import javax.lang.model.type.*;
import javax.lang.model.type.MirroredTypeException;
import javax.lang.model.type.MirroredTypesException;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Elements;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
@ -121,29 +123,6 @@ public class ASTUtils {
return fqn;
}
/**
* Safely extracts a {@link Class} array from an annotation.
* @param ann the annotation containing the class
* @param fun the annotation function returning the class
* @param elementUtils the element utils corresponding to the {@link ProcessingEnvironment}
* @param <T> the type of the annotation carrying the information
* @return a list of {@link TypeMirror}s representing the classes
* @since 0.3.0
*/
public static <T extends Annotation> List<TypeMirror> classArrayFromAnnotation(T ann, Function<T, Class<?>[]> fun, Elements elementUtils) {
List<TypeMirror> params = new ArrayList<>();
try {
params.addAll(Arrays.stream(fun.apply(ann))
.map(Class::getCanonicalName)
.map(fqn -> elementUtils.getTypeElement(fqn).asType())
.collect(Collectors.toList()));
} catch(MirroredTypesException e) {
params.addAll(e.getTypeMirrors());
}
return params;
}
/**
* Finds the class name and maps it to the correct format.
* @param name the fully qualified name of the class to convert
@ -164,12 +143,11 @@ public class ASTUtils {
* @param fallback the (unobfuscated) FQN to fall back on
* @param finderAnn an annotation containing metadata about the target, may be null
* @return the fully qualified class name
* @since 0.3.0
* @since 0.5.0
*/
public static String findClassNameFromAnnotations(String fallback, Find finderAnn) {
String fullyQualifiedName;
if(finderAnn != null) {
fullyQualifiedName =
String fullyQualifiedName =
getClassFullyQualifiedName(
finderAnn,
Find::value,
@ -194,7 +172,7 @@ public class ASTUtils {
patchAnn,
Patch::value,
patchAnn.className()
), null);
), finderAnn);
}
/**
@ -238,8 +216,9 @@ public class ASTUtils {
.filter(e -> (field && e instanceof VariableElement) || e instanceof ExecutableElement)
.filter(e -> e.getSimpleName().contentEquals(name))
.collect(Collectors.toList());
if(candidates.size() == 0)
throw new TargetNotFoundException(field ? "field" : "method", String.format("%s %s", name, descr));
throw new TargetNotFoundException(field ? "field" : "method", name, parentFQN);
if(candidates.size() == 1 && (!strict || field))
return candidates.get(0);
if(field || descr == null) {
@ -254,7 +233,7 @@ public class ASTUtils {
: c -> descr.split("\\)")[0].equalsIgnoreCase(descriptorFromExecutableElement(c).split("\\)")[0])
).collect(Collectors.toList());
if(candidates.size() == 0)
throw new TargetNotFoundException("method", String.format("%s %s", name, descr));
throw new TargetNotFoundException("method", String.format("%s %s", name, descr), parentFQN);
if(candidates.size() > 1)
throw new AmbiguousDefinitionException(
String.format("Found %d methods named %s in class %s!", candidates.size(), name, parentFQN)
@ -266,22 +245,20 @@ public class ASTUtils {
/**
* Finds the real class method corresponding to a stub annotated with {@link Target}.
* @param stub the {@link ExecutableElement} for the stub
* @param f the {@link Find} annotation containing fallback data, may be null
* @param env the {@link ProcessingEnvironment} to perform the operation in
* @return the {@link ExecutableElement} corresponding to the method
* @throws AmbiguousDefinitionException if it finds more than one candidate
* @throws TargetNotFoundException if it finds no valid candidate
* @since 0.3.0
*/
public static ExecutableElement findMethodFromStub(ExecutableElement stub, ProcessingEnvironment env) {
public static ExecutableElement findMethodFromStub(ExecutableElement stub, Find f, ProcessingEnvironment env) {
//the parent always has a @Patch annotation
Patch patchAnn = stub.getEnclosingElement().getAnnotation(Patch.class);
//there should ever only be one of these two
Target targetAnn = stub.getAnnotation(Target.class); //if this is null strict mode is always disabled
Find findAnn = stub.getAnnotation(Find.class); //this may be null, it means no fallback info
String parentFQN = findClassNameFromAnnotations(patchAnn, findAnn);
String parentFQN = findClassNameFromAnnotations(patchAnn, f);
String methodName = stub.getSimpleName().toString();
if(findAnn != null && !findAnn.name().equals(""))
throw new AmbiguousDefinitionException(String.format("Specified name %s in @Find annotation for method stub %s!", findAnn.name(), methodName));
String methodDescriptor = descriptorFromExecutableElement(stub);
return (ExecutableElement) findMember(
parentFQN,

11
src/main/java/ftbsc/lll/processor/tools/JavaPoetUtils.java
View file

@ -7,9 +7,9 @@ import ftbsc.lll.processor.tools.containers.ArrayContainer;
import ftbsc.lll.processor.tools.containers.ClassContainer;
import ftbsc.lll.processor.tools.obfuscation.ObfuscationMapper;
import ftbsc.lll.proxies.ProxyType;
import ftbsc.lll.tools.DescriptorBuilder;
import ftbsc.lll.proxies.impl.MethodProxy;
import ftbsc.lll.proxies.impl.FieldProxy;
import ftbsc.lll.proxies.impl.MethodProxy;
import ftbsc.lll.tools.DescriptorBuilder;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.element.Element;
@ -18,14 +18,9 @@ import javax.lang.model.element.Modifier;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.TypeKind;
import javax.lang.model.type.TypeMirror;
import javax.lang.model.util.Elements;
import javax.tools.Diagnostic;
import java.lang.annotation.Annotation;
import java.util.List;
import java.util.function.Function;
import static ftbsc.lll.processor.tools.ASTUtils.*;
import static ftbsc.lll.processor.tools.ASTUtils.mapModifiers;
/**
* Collection of static utils that rely on JavaPoet to function.
@ -162,7 +157,7 @@ public class JavaPoetUtils {
if(isMethod) {
ExecutableElement executableTarget;
if(f.name().equals("")) //find and validate from stub
executableTarget = findMethodFromStub(stub, env);
executableTarget = findMethodFromStub(stub, null, env);
else { //find and validate by name alone
if(LilleroProcessor.badPracticeWarnings) //warn user that he is doing bad stuff
env.getMessager().printMessage(Diagnostic.Kind.WARNING,