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Diffstat (limited to 'src/main/java/ftbsc/lll/processor/LilleroProcessor.java')
-rw-r--r--src/main/java/ftbsc/lll/processor/LilleroProcessor.java176
1 files changed, 6 insertions, 170 deletions
diff --git a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
index 04fcc4a..d94d44d 100644
--- a/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
+++ b/src/main/java/ftbsc/lll/processor/LilleroProcessor.java
@@ -4,8 +4,6 @@ import com.squareup.javapoet.*;
import ftbsc.lll.IInjector;
import ftbsc.lll.exceptions.AmbiguousDefinitionException;
import ftbsc.lll.exceptions.InvalidResourceException;
-import ftbsc.lll.exceptions.MappingNotFoundException;
-import ftbsc.lll.exceptions.TargetNotFoundException;
import ftbsc.lll.processor.annotations.*;
import ftbsc.lll.processor.tools.obfuscation.ObfuscationMapper;
import ftbsc.lll.proxies.FieldProxy;
@@ -21,16 +19,15 @@ import javax.tools.FileObject;
import javax.tools.JavaFileObject;
import javax.tools.StandardLocation;
import java.io.*;
-import java.lang.annotation.Annotation;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import java.util.*;
-import java.util.function.Function;
import java.util.stream.Collectors;
import static ftbsc.lll.processor.tools.ASTUtils.*;
import static ftbsc.lll.processor.tools.ASTUtils.getClassFullyQualifiedName;
+import static ftbsc.lll.processor.tools.JavaPoetUtils.*;
/**
* The actual annotation processor behind the magic.
@@ -59,6 +56,7 @@ public class LilleroProcessor extends AbstractProcessor {
* @param processingEnv environment to access facilities the tool framework
* provides to the processor
* @throws IllegalStateException if this method is called more than once.
+ * @since 0.3.0
*/
@Override
public synchronized void init(ProcessingEnvironment processingEnv) {
@@ -148,153 +146,6 @@ public class LilleroProcessor extends AbstractProcessor {
}
/**
- * Finds the class name and maps it to the correct format.
- * @param name the fully qualified name of the class to convert
- * @param mapper the {@link ObfuscationMapper} to use, may be null
- * @return the fully qualified class name
- * @since 0.3.0
- */
- private static String findClassName(String name, ObfuscationMapper mapper) {
- try {
- return mapper == null ? name : mapper.obfuscateClass(name).replace('/', '.');
- } catch(MappingNotFoundException e) {
- return name;
- }
- }
-
- /**
- * Finds the class name and maps it to the correct format.
- *
- * @param patchAnn the {@link Patch} annotation containing target class info
- * @param finderAnn an annotation containing metadata to fall back on, may be null
- * @param parentFun the function to get the parent from the finderAnn
- * @return the fully qualified class name
- * @since 0.3.0
- */
- private static <T extends Annotation> String findClassName(Patch patchAnn, T finderAnn, Function<T, Class<?>> parentFun) {
- String fullyQualifiedName =
- finderAnn == null || parentFun.apply(finderAnn) == Object.class
- ? getClassFullyQualifiedName(patchAnn, Patch::value)
- : getClassFullyQualifiedName(finderAnn, parentFun);
- return findClassName(fullyQualifiedName, null);
- }
-
- /**
- * Finds the member name and maps it to the correct format.
- * @param parentFQN the already mapped FQN of the parent class
- * @param memberName the name of the member
- * @param mapper the {@link ObfuscationMapper} to use, may be null
- * @return the internal class name
- * @since 0.3.0
- */
- private static String findMemberName(String parentFQN, String memberName, String methodDescriptor, ObfuscationMapper mapper) {
- try {
- return mapper == null ? memberName : mapper.obfuscateMember(parentFQN, memberName, methodDescriptor);
- } catch(MappingNotFoundException e) {
- return memberName;
- }
- }
-
- /**
- * Finds a method given name, container and descriptor.
- * @param parentFQN the fully qualified name of the parent class of the method
- * @param name the name to search for
- * @param descr the descriptor to search for
- * @param strict whether the search should be strict (see {@link Target#strict()} for more info)
- * @return the desired method, if it exists
- * @throws AmbiguousDefinitionException if it finds more than one candidate
- * @throws TargetNotFoundException if it finds no valid candidate
- * @since 0.3.0
- */
- private ExecutableElement findMethod(String parentFQN, String name, String descr, boolean strict) {
- TypeElement parent = processingEnv.getElementUtils().getTypeElement(parentFQN);
- if(parent == null)
- throw new AmbiguousDefinitionException(String.format("Could not find parent class %s!", parentFQN));
-
- //try to find by name
- List<ExecutableElement> candidates = parent.getEnclosedElements()
- .stream()
- .filter(e -> e instanceof ExecutableElement)
- .map(e -> (ExecutableElement) e)
- .filter(e -> e.getSimpleName().contentEquals(name))
- .collect(Collectors.toList());
- if(candidates.size() == 0)
- throw new TargetNotFoundException(String.format("%s %s", name, descr));
- if(candidates.size() == 1 && !strict)
- return candidates.get(0);
- if(descr == null) {
- throw new AmbiguousDefinitionException(
- String.format("Found %d methods named %s in class %s!", candidates.size(), name, parentFQN)
- );
- } else {
- candidates = candidates.stream()
- .filter(strict
- ? c -> descr.equals(descriptorFromExecutableElement(c))
- : c -> descr.split("\\)")[0].equalsIgnoreCase(descriptorFromExecutableElement(c).split("\\)")[0])
- ).collect(Collectors.toList());
- if(candidates.size() == 0)
- throw new TargetNotFoundException(String.format("%s %s", name, descr));
- if(candidates.size() > 1)
- throw new AmbiguousDefinitionException(
- String.format("Found %d methods named %s in class %s!", candidates.size(), name, parentFQN)
- );
- return candidates.get(0);
- }
- }
-
- /**
- * Finds the real class member (field or method) corresponding to a stub annotated with
- * {@link Target} or {@link FindMethod} or {@link FindField}.
- * @param stub the {@link ExecutableElement} for the stub
- * @return the {@link Element} corresponding to the method or field
- * @throws AmbiguousDefinitionException if it finds more than one candidate
- * @throws TargetNotFoundException if it finds no valid candidate
- * @since 0.3.0
- */
- private Element findMemberFromStub(ExecutableElement stub) {
- //the parent always has a @Patch annotation
- Patch patchAnn = stub.getEnclosingElement().getAnnotation(Patch.class);
- //there should ever only be one of these
- Target targetAnn = stub.getAnnotation(Target.class); //if this is null strict mode is always disabled
- FindMethod findMethodAnn = stub.getAnnotation(FindMethod.class); //this may be null, it means no fallback info
- FindField findFieldAnn = stub.getAnnotation(FindField.class);
- String parentFQN, memberName;
- if(findFieldAnn == null) { //methods
- parentFQN = findClassName(patchAnn, findMethodAnn, FindMethod::parent);
- String methodDescriptor =
- findMethodAnn != null
- ? methodDescriptorFromParams(findMethodAnn, FindMethod::params, processingEnv.getElementUtils())
- : descriptorFromExecutableElement(stub);
- memberName =
- findMethodAnn != null && !findMethodAnn.name().equals("")
- ? findMethodAnn.name()
- : stub.getSimpleName().toString();
- return findMethod(
- parentFQN,
- memberName,
- methodDescriptor,
- targetAnn != null && targetAnn.strict()
- );
- } else { //fields
- parentFQN = findClassName(patchAnn, findFieldAnn, FindField::parent);
- memberName = findFieldAnn.name().equals("")
- ? stub.getSimpleName().toString()
- : findFieldAnn.name();
- TypeElement parent = processingEnv.getElementUtils().getTypeElement(parentFQN);
- List<VariableElement> candidates =
- parent.getEnclosedElements()
- .stream()
- .filter(f -> f instanceof VariableElement)
- .filter(f -> f.getSimpleName().contentEquals(memberName))
- .map(f -> (VariableElement) f)
- .collect(Collectors.toList());
- if(candidates.size() == 0)
- throw new TargetNotFoundException(stub.getSimpleName().toString());
- else return candidates.get(0); //there can only ever be one
- }
- }
-
- /**
* Generates the Injector(s) contained in the given class.
* Basically implements the {@link IInjector} interface for you.
* @param cl the {@link TypeElement} for the given class
@@ -449,21 +300,6 @@ public class LilleroProcessor extends AbstractProcessor {
}
/**
- * Builds a {@link MethodSpec} for a public method whose body simply returns a {@link String}.
- * @param name the name of the method
- * @param returnString the {@link String} to return
- * @return the built {@link MethodSpec}
- */
- private static MethodSpec buildStringReturnMethod(String name, String returnString) {
- return MethodSpec.methodBuilder(name)
- .addModifiers(Modifier.PUBLIC)
- .addAnnotation(Override.class)
- .returns(String.class)
- .addStatement("return $S", returnString)
- .build();
- }
-
- /**
* Finds any method annotated with {@link FindMethod} or {@link FindField} within the given
* class, and builds the {@link MethodSpec} necessary for building it.
* @param cl the class to search
@@ -477,7 +313,7 @@ public class LilleroProcessor extends AbstractProcessor {
.filter(m -> !m.getModifiers().contains(Modifier.STATIC)) //skip static stuff as we can't override it
.filter(m -> !m.getModifiers().contains(Modifier.FINAL)) //in case someone is trying to be funny
.forEach(m -> {
- ExecutableElement targetMethod = (ExecutableElement) findMemberFromStub(m);
+ ExecutableElement targetMethod = (ExecutableElement) findMemberFromStub(m, processingEnv);
MethodSpec.Builder b = MethodSpec.overriding(m);
String targetParentFQN = findClassName(((TypeElement) targetMethod.getEnclosingElement()).getQualifiedName().toString(), mapper);
@@ -506,7 +342,7 @@ public class LilleroProcessor extends AbstractProcessor {
.filter(m -> !m.getModifiers().contains(Modifier.STATIC))
.filter(m -> !m.getModifiers().contains(Modifier.FINAL))
.forEach(m -> {
- VariableElement targetField = (VariableElement) findMemberFromStub(m);
+ VariableElement targetField = (VariableElement) findMemberFromStub(m, processingEnv);
MethodSpec.Builder b = MethodSpec.overriding(m);
String targetParentFQN = findClassName(((TypeElement) targetField.getEnclosingElement()).getQualifiedName().toString(), mapper);
@@ -551,7 +387,7 @@ public class LilleroProcessor extends AbstractProcessor {
* Container for information about a class that is to be generated.
* Only used internally.
*/
- public class InjectorInfo {
+ private class InjectorInfo {
/**
* The {@link ExecutableElement} corresponding to the injector method.
*/
@@ -575,7 +411,7 @@ public class LilleroProcessor extends AbstractProcessor {
public InjectorInfo(ExecutableElement injector, ExecutableElement targetStub) {
this.injector = injector;
this.targetStub = targetStub;
- this.target = (ExecutableElement) findMemberFromStub(targetStub);
+ this.target = (ExecutableElement) findMemberFromStub(targetStub, processingEnv);
}
}
} \ No newline at end of file