All Downloads are FREE. Search and download functionalities are using the official Maven repository.

lombok.launch.PatchFixesHider Maven / Gradle / Ivy

There is a newer version: 2024.03.7
Show newest version
/*
 * Copyright (C) 2010-2021 The Project Lombok Authors.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package lombok.launch;

import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.security.CodeSource;
import java.util.ArrayList;
import java.util.List;
import java.util.Stack;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IAnnotatable;
import org.eclipse.jdt.core.IAnnotation;
import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.dom.Name;
import org.eclipse.jdt.core.dom.SimpleName;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.Type;
import org.eclipse.jdt.core.search.SearchMatch;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.Expression;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.eclipse.jdt.internal.core.SourceField;
import org.eclipse.jdt.internal.core.dom.rewrite.NodeRewriteEvent;
import org.eclipse.jdt.internal.core.dom.rewrite.RewriteEvent;
import org.eclipse.jdt.internal.core.dom.rewrite.TokenScanner;
import org.eclipse.jdt.internal.corext.refactoring.SearchResultGroup;
import org.eclipse.jdt.internal.corext.refactoring.structure.MemberVisibilityAdjustor.IncomingMemberVisibilityAdjustment;

import lombok.permit.Permit;

import static lombok.eclipse.EcjAugments.ASTNode_generatedBy;

/** These contain a mix of the following:
 * 
    *
  • 'dependency free' method wrappers that cross the shadowloader barrier. *
  • methods that directly patch, but, these should ALWAYS be transplanted. *
* * This class lives on the outside of the shadowloader barrier, and as a consequence, cannot access any other lombok code except other * code in the {@code lombok.launch} package!. *

* This class is package private with lots of public inner static classes. This hides all of them from IDE autocomplete dialogs and such but at the JVM * level the inner static class are just plain public, which is important, because calls to the contents of these inner static classes are injected into * various eclipse classes verbatim, and if they weren't public, the verifier wouldn't accept it. */ final class PatchFixesHider { /** These utility methods are only used 'internally', but because of transplant methods, the class (and its methods) still have to be public! */ public static final class Util { private static ClassLoader shadowLoader; public static ClassLoader getShadowLoader() { if (shadowLoader == null) { try { Class.forName("lombok.core.LombokNode"); // If we get here, then lombok is already available. shadowLoader = Util.class.getClassLoader(); } catch (ClassNotFoundException e) { // If we get here, it isn't, and we should use the shadowloader. shadowLoader = Main.getShadowClassLoader(); } } return shadowLoader; } public static Class shadowLoadClass(String name) { try { return Class.forName(name, true, getShadowLoader()); } catch (ClassNotFoundException e) { throw sneakyThrow(e); } } public static Method findMethod(Class type, String name, Class... parameterTypes) { try { return type.getDeclaredMethod(name, parameterTypes); } catch (NoSuchMethodException e) { throw sneakyThrow(e); } } public static Method findMethod(Class type, String name, String... parameterTypes) { for (Method m : type.getDeclaredMethods()) { if (name.equals(m.getName()) && sameTypes(m.getParameterTypes(), parameterTypes)) { return m; } } throw sneakyThrow(new NoSuchMethodException(type.getName() + "::" + name)); } public static Method findMethodAnyArgs(Class type, String name) { for (Method m : type.getDeclaredMethods()) if (name.equals(m.getName())) return m; throw sneakyThrow(new NoSuchMethodException(type.getName() + "::" + name)); } public static Object invokeMethod(Method method, Object... args) { try { return method.invoke(null, args); } catch (IllegalAccessException e) { throw sneakyThrow(e); } catch (InvocationTargetException e) { throw sneakyThrow(e.getCause()); } } private static RuntimeException sneakyThrow(Throwable t) { if (t == null) throw new NullPointerException("t"); Util.sneakyThrow0(t); return null; } @SuppressWarnings("unchecked") private static void sneakyThrow0(Throwable t) throws T { throw (T)t; } private static boolean sameTypes(Class[] types, String[] typeNames) { if (types.length != typeNames.length) return false; for (int i = 0; i < types.length; i++) { if (!types[i].getName().equals(typeNames[i])) return false; } return true; } } /** Contains patch fixes that are dependent on lombok internals. */ public static final class LombokDeps { public static final Method ADD_LOMBOK_NOTES; public static final Method POST_COMPILER_BYTES_STRING; public static final Method POST_COMPILER_OUTPUTSTREAM; public static final Method POST_COMPILER_BUFFEREDOUTPUTSTREAM_STRING_STRING; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchFixesShadowLoaded"); ADD_LOMBOK_NOTES = Util.findMethod(shadowed, "addLombokNotesToEclipseAboutDialog", String.class, String.class); POST_COMPILER_BYTES_STRING = Util.findMethod(shadowed, "runPostCompiler", byte[].class, String.class); POST_COMPILER_OUTPUTSTREAM = Util.findMethod(shadowed, "runPostCompiler", OutputStream.class); POST_COMPILER_BUFFEREDOUTPUTSTREAM_STRING_STRING = Util.findMethod(shadowed, "runPostCompiler", BufferedOutputStream.class, String.class, String.class); } public static String addLombokNotesToEclipseAboutDialog(String origReturnValue, String key) { try { return (String) Util.invokeMethod(LombokDeps.ADD_LOMBOK_NOTES, origReturnValue, key); } catch (Throwable t) { return origReturnValue; } } public static byte[] runPostCompiler(byte[] bytes, String fileName) { return (byte[]) Util.invokeMethod(LombokDeps.POST_COMPILER_BYTES_STRING, bytes, fileName); } public static OutputStream runPostCompiler(OutputStream out) throws IOException { return (OutputStream) Util.invokeMethod(LombokDeps.POST_COMPILER_OUTPUTSTREAM, out); } public static BufferedOutputStream runPostCompiler(BufferedOutputStream out, String path, String name) throws IOException { return (BufferedOutputStream) Util.invokeMethod(LombokDeps.POST_COMPILER_BUFFEREDOUTPUTSTREAM_STRING_STRING, out, path, name); } } public static final class Transform { private static Method TRANSFORM; private static Method TRANSFORM_SWAPPED; private static synchronized void init(ClassLoader prepend) { if (TRANSFORM != null) return; prependClassLoader(prepend); if (!prepend.toString().contains("org.eclipse.jdt.core:")) { ClassLoader jdtCoreClassLoader = findJdtCoreClassLoader(prepend); prependClassLoader(jdtCoreClassLoader); } Class shadowed = Util.shadowLoadClass("lombok.eclipse.TransformEclipseAST"); TRANSFORM = Util.findMethodAnyArgs(shadowed, "transform"); TRANSFORM_SWAPPED = Util.findMethodAnyArgs(shadowed, "transform_swapped"); } private static void prependClassLoader(ClassLoader classLoader) { Main.prependClassLoader(classLoader); try { ClassLoader currentClassLoader = Transform.class.getClassLoader(); Method prependParentMethod = Permit.getMethod(currentClassLoader.getClass(), "prependParent", ClassLoader.class); Permit.invoke(prependParentMethod, currentClassLoader, classLoader); } catch (Throwable t) { // Ignore } } private static ClassLoader findJdtCoreClassLoader(ClassLoader classLoader) { try { Method getBundleMethod = Permit.getMethod(classLoader.getClass(), "getBundle"); Object bundle = Permit.invoke(getBundleMethod, classLoader); Method getBundleContextMethod = Permit.getMethod(bundle.getClass(), "getBundleContext"); Object bundleContext = Permit.invoke(getBundleContextMethod, bundle); Method getBundlesMethod = Permit.getMethod(bundleContext.getClass(), "getBundles"); Object[] bundles = (Object[]) Permit.invoke(getBundlesMethod, bundleContext); for (Object searchBundle : bundles) { if (searchBundle.toString().startsWith("org.eclipse.jdt.core_")) { Method getModuleClassLoaderMethod = Permit.getMethod(searchBundle.getClass(), "getModuleClassLoader", boolean.class); return (ClassLoader) Permit.invoke(getModuleClassLoaderMethod, searchBundle, false); } } } catch (Throwable t) { // Ignore } return null; } public static void transform(Object parser, Object ast) throws IOException { init(parser.getClass().getClassLoader()); Util.invokeMethod(TRANSFORM, parser, ast); } public static void transform_swapped(Object ast, Object parser) throws IOException { init(parser.getClass().getClassLoader()); Util.invokeMethod(TRANSFORM_SWAPPED, ast, parser); } } /** Contains patch code to support {@code @Delegate} */ public static final class Delegate { private static final Method HANDLE_DELEGATE_FOR_TYPE; private static final Method ADD_GENERATED_DELEGATE_METHODS; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchDelegatePortal"); HANDLE_DELEGATE_FOR_TYPE = Util.findMethod(shadowed, "handleDelegateForType", Object.class); ADD_GENERATED_DELEGATE_METHODS = Util.findMethod(shadowed, "addGeneratedDelegateMethods", Object.class, Object.class); } public static boolean handleDelegateForType(Object classScope) { return (Boolean) Util.invokeMethod(HANDLE_DELEGATE_FOR_TYPE, classScope); } public static Object[] addGeneratedDelegateMethods(Object returnValue, Object javaElement) { return (Object[]) Util.invokeMethod(ADD_GENERATED_DELEGATE_METHODS, returnValue, javaElement); } } /** Contains patch code to support {@code val} (eclipse specific) */ public static final class ValPortal { private static final Method COPY_INITIALIZATION_OF_FOR_EACH_ITERABLE; private static final Method COPY_INITIALIZATION_OF_LOCAL_DECLARATION; private static final Method ADD_FINAL_AND_VAL_ANNOTATION_TO_VARIABLE_DECLARATION_STATEMENT; private static final Method ADD_FINAL_AND_VAL_ANNOTATION_TO_SINGLE_VARIABLE_DECLARATION; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchValEclipsePortal"); COPY_INITIALIZATION_OF_FOR_EACH_ITERABLE = Util.findMethod(shadowed, "copyInitializationOfForEachIterable", Object.class); COPY_INITIALIZATION_OF_LOCAL_DECLARATION = Util.findMethod(shadowed, "copyInitializationOfLocalDeclaration", Object.class); ADD_FINAL_AND_VAL_ANNOTATION_TO_VARIABLE_DECLARATION_STATEMENT = Util.findMethod(shadowed, "addFinalAndValAnnotationToVariableDeclarationStatement", Object.class, Object.class, Object.class); ADD_FINAL_AND_VAL_ANNOTATION_TO_SINGLE_VARIABLE_DECLARATION = Util.findMethod(shadowed, "addFinalAndValAnnotationToSingleVariableDeclaration", Object.class, Object.class, Object.class); } public static void copyInitializationOfForEachIterable(Object parser) { Util.invokeMethod(COPY_INITIALIZATION_OF_FOR_EACH_ITERABLE, parser); } public static void copyInitializationOfLocalDeclaration(Object parser) { Util.invokeMethod(COPY_INITIALIZATION_OF_LOCAL_DECLARATION, parser); } public static void addFinalAndValAnnotationToVariableDeclarationStatement(Object converter, Object out, Object in) { Util.invokeMethod(ADD_FINAL_AND_VAL_ANNOTATION_TO_VARIABLE_DECLARATION_STATEMENT, converter, out, in); } public static void addFinalAndValAnnotationToSingleVariableDeclaration(Object converter, Object out, Object in) { Util.invokeMethod(ADD_FINAL_AND_VAL_ANNOTATION_TO_SINGLE_VARIABLE_DECLARATION, converter, out, in); } } /** Contains patch code to support {@code val} (eclipse and ecj) */ public static final class Val { private static final String BLOCK_SCOPE_SIG = "org.eclipse.jdt.internal.compiler.lookup.BlockScope"; private static final String LOCAL_DECLARATION_SIG = "org.eclipse.jdt.internal.compiler.ast.LocalDeclaration"; private static final String FOREACH_STATEMENT_SIG = "org.eclipse.jdt.internal.compiler.ast.ForeachStatement"; private static final Method HANDLE_VAL_FOR_LOCAL_DECLARATION; private static final Method HANDLE_VAL_FOR_FOR_EACH; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchVal"); HANDLE_VAL_FOR_LOCAL_DECLARATION = Util.findMethod(shadowed, "handleValForLocalDeclaration", LOCAL_DECLARATION_SIG, BLOCK_SCOPE_SIG); HANDLE_VAL_FOR_FOR_EACH = Util.findMethod(shadowed, "handleValForForEach", FOREACH_STATEMENT_SIG, BLOCK_SCOPE_SIG); } public static boolean handleValForLocalDeclaration(Object local, Object scope) { return (Boolean) Util.invokeMethod(HANDLE_VAL_FOR_LOCAL_DECLARATION, local, scope); } public static boolean handleValForForEach(Object forEach, Object scope) { return (Boolean) Util.invokeMethod(HANDLE_VAL_FOR_FOR_EACH, forEach, scope); } /** * Patches local declaration to not call .resolveType() on the initializer expression if we've already done so (calling it twice causes weird errors) * This and the next method must be transplanted so that the return type is loaded in the correct class loader */ public static TypeBinding skipResolveInitializerIfAlreadyCalled(Expression expr, BlockScope scope) { if (expr.resolvedType != null) return expr.resolvedType; try { return expr.resolveType(scope); } catch (NullPointerException e) { return null; } catch (ArrayIndexOutOfBoundsException e) { // This will occur internally due to for example 'val x = mth("X");', where mth takes 2 arguments. return null; } } public static TypeBinding skipResolveInitializerIfAlreadyCalled2(Expression expr, BlockScope scope, LocalDeclaration decl) { if (decl != null && LocalDeclaration.class.equals(decl.getClass()) && expr.resolvedType != null) return expr.resolvedType; try { return expr.resolveType(scope); } catch (NullPointerException e) { return null; } catch (ArrayIndexOutOfBoundsException e) { // This will occur internally due to for example 'val x = mth("X");', where mth takes 2 arguments. return null; } } } /** Contains patch code to support {@code @ExtensionMethod} */ public static final class ExtensionMethod { private static final String MESSAGE_SEND_SIG = "org.eclipse.jdt.internal.compiler.ast.MessageSend"; private static final String TYPE_BINDING_SIG = "org.eclipse.jdt.internal.compiler.lookup.TypeBinding"; private static final String SCOPE_SIG = "org.eclipse.jdt.internal.compiler.lookup.Scope"; private static final String BLOCK_SCOPE_SIG = "org.eclipse.jdt.internal.compiler.lookup.BlockScope"; private static final String TYPE_BINDINGS_SIG = "[Lorg.eclipse.jdt.internal.compiler.lookup.TypeBinding;"; private static final String PROBLEM_REPORTER_SIG = "org.eclipse.jdt.internal.compiler.problem.ProblemReporter"; private static final String METHOD_BINDING_SIG = "org.eclipse.jdt.internal.compiler.lookup.MethodBinding"; private static final String AST_NODE_SIG = "org.eclipse.jdt.internal.compiler.ast.ASTNode"; private static final Method RESOLVE_TYPE; private static final Method ERROR_NO_METHOD_FOR; private static final Method INVALID_METHOD, INVALID_METHOD2; private static final Method NON_STATIC_ACCESS_TO_STATIC_METHOD; private static final Method MODIFY_METHOD_PATTERN; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchExtensionMethod"); RESOLVE_TYPE = Util.findMethod(shadowed, "resolveType", TYPE_BINDING_SIG, MESSAGE_SEND_SIG, BLOCK_SCOPE_SIG); ERROR_NO_METHOD_FOR = Util.findMethod(shadowed, "errorNoMethodFor", PROBLEM_REPORTER_SIG, MESSAGE_SEND_SIG, TYPE_BINDING_SIG, TYPE_BINDINGS_SIG); INVALID_METHOD = Util.findMethod(shadowed, "invalidMethod", PROBLEM_REPORTER_SIG, MESSAGE_SEND_SIG, METHOD_BINDING_SIG); INVALID_METHOD2 = Util.findMethod(shadowed, "invalidMethod", PROBLEM_REPORTER_SIG, MESSAGE_SEND_SIG, METHOD_BINDING_SIG, SCOPE_SIG); NON_STATIC_ACCESS_TO_STATIC_METHOD = Util.findMethod(shadowed, "nonStaticAccessToStaticMethod", PROBLEM_REPORTER_SIG, AST_NODE_SIG, METHOD_BINDING_SIG, MESSAGE_SEND_SIG); MODIFY_METHOD_PATTERN = Util.findMethod(shadowed, "modifyMethodPattern", Object.class); } public static Object resolveType(Object resolvedType, Object methodCall, Object scope) { return Util.invokeMethod(RESOLVE_TYPE, resolvedType, methodCall, scope); } public static void errorNoMethodFor(Object problemReporter, Object messageSend, Object recType, Object params) { Util.invokeMethod(ERROR_NO_METHOD_FOR, problemReporter, messageSend, recType, params); } public static void invalidMethod(Object problemReporter, Object messageSend, Object method) { Util.invokeMethod(INVALID_METHOD, problemReporter, messageSend, method); } public static void invalidMethod(Object problemReporter, Object messageSend, Object method, Object scope) { Util.invokeMethod(INVALID_METHOD2, problemReporter, messageSend, method, scope); } public static void nonStaticAccessToStaticMethod(Object problemReporter, Object location, Object method, Object messageSend) { Util.invokeMethod(NON_STATIC_ACCESS_TO_STATIC_METHOD, problemReporter, location, method, messageSend); } public static Object modifyMethodPattern(Object original) { return Util.invokeMethod(MODIFY_METHOD_PATTERN, original); } } /** Contains patch code to support Javadoc for generated methods */ public static final class Javadoc { private static final Method GET_HTML; private static final Method PRINT_METHOD; static { Class shadowed = Util.shadowLoadClass("lombok.eclipse.agent.PatchJavadoc"); GET_HTML = Util.findMethod(shadowed, "getHTMLContentFromSource", String.class, Object.class); PRINT_METHOD = Util.findMethod(shadowed, "printMethod", AbstractMethodDeclaration.class, Integer.class, StringBuffer.class, TypeDeclaration.class); } public static String getHTMLContentFromSource(String original, IJavaElement member) { return (String) Util.invokeMethod(GET_HTML, original, member); } public static StringBuffer printMethod(AbstractMethodDeclaration methodDeclaration, int tab, StringBuffer output, TypeDeclaration type) { return (StringBuffer) Util.invokeMethod(PRINT_METHOD, methodDeclaration, tab, output, type); } } /** * Contains a mix of methods: ecj only, ecj+eclipse, and eclipse only. As a consequence, _EVERY_ method from here used for ecj MUST be * transplanted, as ecj itself cannot load this class (signatures refer to things that don't exist in ecj-only mode). *

* Because of usage of transplant(), a bunch of these contain direct code and don't try to cross the shadowloader barrier. */ public static final class PatchFixes { public static boolean isGenerated(org.eclipse.jdt.core.dom.ASTNode node) { boolean result = false; try { result = ((Boolean)node.getClass().getField("$isGenerated").get(node)).booleanValue(); if (!result && node.getParent() != null && node.getParent() instanceof org.eclipse.jdt.core.dom.QualifiedName) { result = isGenerated(node.getParent()); } } catch (Exception e) { // better to assume it isn't generated } return result; } public static boolean isGenerated(org.eclipse.jdt.internal.compiler.ast.ASTNode node) { boolean result = false; try { result = node.getClass().getField("$generatedBy").get(node) != null; } catch (Exception e) { // better to assume it isn't generated } return result; } public static boolean isGenerated(org.eclipse.jdt.core.IMember member) { boolean result = false; try { result = member.getNameRange().getLength() <= 0 || member.getNameRange().equals(member.getSourceRange()); } catch (JavaModelException e) { // better to assume it isn't generated } return result; } public static boolean isBlockedVisitorAndGenerated(org.eclipse.jdt.core.dom.ASTNode node, org.eclipse.jdt.core.dom.ASTVisitor visitor) { if (visitor == null) return false; String className = visitor.getClass().getName(); if (!(className.startsWith("org.eclipse.jdt.internal.corext.fix") || className.startsWith("org.eclipse.jdt.internal.ui.fix") || className.startsWith("org.eclipse.jdt.ls.core.internal.semantictokens.SemanticTokensVisitor"))) return false; if (className.equals("org.eclipse.jdt.internal.corext.fix.VariableDeclarationFixCore$WrittenNamesFinder")) return false; return isGenerated(node); } public static boolean isListRewriteOnGeneratedNode(org.eclipse.jdt.core.dom.rewrite.ListRewrite rewrite) { return isGenerated(rewrite.getParent()); } public static boolean returnFalse(java.lang.Object object) { return false; } public static boolean returnTrue(java.lang.Object object) { return true; } @java.lang.SuppressWarnings({"unchecked", "rawtypes"}) public static java.util.List removeGeneratedNodes(java.util.List list) { try { java.util.List realNodes = new java.util.ArrayList(list.size()); for (java.lang.Object node : list) { if(!isGenerated(((org.eclipse.jdt.core.dom.ASTNode)node))) { realNodes.add(node); } } return realNodes; } catch (Exception e) { } return list; } public static java.lang.String getRealMethodDeclarationSource(java.lang.String original, Object processor, org.eclipse.jdt.core.dom.MethodDeclaration declaration) throws Exception { if (!isGenerated(declaration)) return original; List annotations = new ArrayList(); for (Object modifier : declaration.modifiers()) { if (modifier instanceof org.eclipse.jdt.core.dom.Annotation) { org.eclipse.jdt.core.dom.Annotation annotation = (org.eclipse.jdt.core.dom.Annotation)modifier; String qualifiedAnnotationName = annotation.resolveTypeBinding().getQualifiedName(); if (!"java.lang.Override".equals(qualifiedAnnotationName) && !"java.lang.SuppressWarnings".equals(qualifiedAnnotationName)) annotations.add(annotation); } } StringBuilder signature = new StringBuilder(); addAnnotations(annotations, signature); try { if ((Boolean)processor.getClass().getDeclaredField("fPublic").get(processor)) signature.append("public "); if ((Boolean)processor.getClass().getDeclaredField("fAbstract").get(processor)) signature.append("abstract "); } catch (Throwable t) { } signature .append(declaration.getReturnType2().toString()) .append(" ").append(declaration.getName().getFullyQualifiedName()) .append("("); boolean first = true; for (Object parameter : declaration.parameters()) { if (!first) signature.append(", "); first = false; // We should also add the annotations of the parameters signature.append(parameter); } signature.append(");"); return signature.toString(); } // part of getRealMethodDeclarationSource(...) public static void addAnnotations(List annotations, StringBuilder signature) { /* * We SHOULD be able to handle the following cases: * @Override * @Override() * @SuppressWarnings("all") * @SuppressWarnings({"all", "unused"}) * @SuppressWarnings(value = "all") * @SuppressWarnings(value = {"all", "unused"}) * @EqualsAndHashCode(callSuper=true, of="id") * * Currently, we only seem to correctly support: * @Override * @Override() N.B. We lose the parentheses here, since there are no values. No big deal. * @SuppressWarnings("all") */ for (org.eclipse.jdt.core.dom.Annotation annotation : annotations) { List values = new ArrayList(); if (annotation.isSingleMemberAnnotation()) { org.eclipse.jdt.core.dom.SingleMemberAnnotation smAnn = (org.eclipse.jdt.core.dom.SingleMemberAnnotation) annotation; values.add(smAnn.getValue().toString()); } else if (annotation.isNormalAnnotation()) { org.eclipse.jdt.core.dom.NormalAnnotation normalAnn = (org.eclipse.jdt.core.dom.NormalAnnotation) annotation; for (Object value : normalAnn.values()) values.add(value.toString()); } signature.append("@").append(annotation.getTypeName().getFullyQualifiedName()); if (!values.isEmpty()) { signature.append("("); boolean first = true; for (String string : values) { if (!first) signature.append(", "); first = false; signature.append('"').append(string).append('"'); } signature.append(")"); } signature.append(" "); } } public static org.eclipse.jdt.core.dom.MethodDeclaration getRealMethodDeclarationNode(org.eclipse.jdt.core.dom.MethodDeclaration original, org.eclipse.jdt.core.IMethod sourceMethod, org.eclipse.jdt.core.dom.CompilationUnit cuUnit) throws JavaModelException { if (!isGenerated(original)) return original; IType declaringType = sourceMethod.getDeclaringType(); Stack typeStack = new Stack(); while (declaringType != null) { typeStack.push(declaringType); declaringType = declaringType.getDeclaringType(); } IType rootType = typeStack.pop(); org.eclipse.jdt.core.dom.AbstractTypeDeclaration typeDeclaration = findTypeDeclaration(rootType, cuUnit.types()); while (!typeStack.isEmpty() && typeDeclaration != null) { typeDeclaration = findTypeDeclaration(typeStack.pop(), typeDeclaration.bodyDeclarations()); } String targetMethodName = sourceMethod.getElementName(); List targetMethodParameterTypes = new ArrayList(); for (String parameterType : sourceMethod.getParameterTypes()) { targetMethodParameterTypes.add(org.eclipse.jdt.core.Signature.toString(parameterType)); } if (typeStack.isEmpty() && typeDeclaration != null) { for (Object declaration : typeDeclaration.bodyDeclarations()) { if (declaration instanceof org.eclipse.jdt.core.dom.MethodDeclaration) { org.eclipse.jdt.core.dom.MethodDeclaration methodDeclaration = (org.eclipse.jdt.core.dom.MethodDeclaration) declaration; if (!methodDeclaration.getName().toString().equals(targetMethodName)) continue; if (methodDeclaration.parameters().size() != targetMethodParameterTypes.size()) continue; if (!isGenerated(methodDeclaration)) continue; boolean parameterTypesEquals = true; for (int i = 0; i < methodDeclaration.parameters().size(); i++) { SingleVariableDeclaration variableDeclaration = (SingleVariableDeclaration) methodDeclaration.parameters().get(i); if (!variableDeclaration.getType().toString().equals(targetMethodParameterTypes.get(i))) { parameterTypesEquals = false; break; } } if (parameterTypesEquals) { return methodDeclaration; } } } } return original; } // part of getRealMethodDeclarationNode public static org.eclipse.jdt.core.dom.AbstractTypeDeclaration findTypeDeclaration(IType searchType, List nodes) { for (Object object : nodes) { if (object instanceof org.eclipse.jdt.core.dom.AbstractTypeDeclaration) { org.eclipse.jdt.core.dom.AbstractTypeDeclaration typeDeclaration = (org.eclipse.jdt.core.dom.AbstractTypeDeclaration) object; if (typeDeclaration.getName().toString().equals(searchType.getElementName())) return typeDeclaration; } } return null; } public static int getSourceEndFixed(int sourceEnd, org.eclipse.jdt.internal.compiler.ast.ASTNode node) throws Exception { if (sourceEnd == -1) { org.eclipse.jdt.internal.compiler.ast.ASTNode object = (org.eclipse.jdt.internal.compiler.ast.ASTNode)node.getClass().getField("$generatedBy").get(node); if (object != null) { return object.sourceEnd; } } return sourceEnd; } public static int fixRetrieveStartingCatchPosition(int original, int start) { return original == -1 ? start : original; } public static int fixRetrieveIdentifierEndPosition(int original, int start, int end) { if (original == -1) return end; if (original < start) return end; return original; } public static int fixRetrieveEllipsisStartPosition(int original, int end) { return original == -1 ? end : original; } public static int fixRetrieveStartBlockPosition(int original, int start) { return original == -1 ? start : original; } public static int fixRetrieveRightBraceOrSemiColonPosition(int original, int end) { // if (original == -1) { // Thread.dumpStack(); // } return original == -1 ? end : original; } public static int fixRetrieveRightBraceOrSemiColonPosition(int retVal, AbstractMethodDeclaration amd) { if (retVal != -1 || amd == null) return retVal; boolean isGenerated = ASTNode_generatedBy.get(amd) != null; if (isGenerated) return amd.declarationSourceEnd; return -1; } public static int fixRetrieveRightBraceOrSemiColonPosition(int retVal, FieldDeclaration fd) { if (retVal != -1 || fd == null) return retVal; boolean isGenerated = ASTNode_generatedBy.get(fd) != null; if (isGenerated) return fd.declarationSourceEnd; return -1; } public static int fixRetrieveProperRightBracketPosition(int retVal, Type type) { if (retVal != -1 || type == null) return retVal; if (isGenerated(type)) return type.getStartPosition() + type.getLength() - 1; return -1; } public static final int ALREADY_PROCESSED_FLAG = 0x800000; //Bit 24 public static boolean checkBit24(Object node) throws Exception { int bits = (Integer)(node.getClass().getField("bits").get(node)); return (bits & ALREADY_PROCESSED_FLAG) != 0; } public static boolean skipRewritingGeneratedNodes(org.eclipse.jdt.core.dom.ASTNode node) throws Exception { return ((Boolean) node.getClass().getField("$isGenerated").get(node)).booleanValue(); } public static void setIsGeneratedFlag(org.eclipse.jdt.core.dom.ASTNode domNode, org.eclipse.jdt.internal.compiler.ast.ASTNode internalNode) throws Exception { if (internalNode == null || domNode == null) return; boolean isGenerated = ASTNode_generatedBy.get(internalNode) != null; if (isGenerated) domNode.getClass().getField("$isGenerated").set(domNode, true); } public static void setIsGeneratedFlagForName(org.eclipse.jdt.core.dom.Name name, Object internalNode) throws Exception { if (internalNode instanceof org.eclipse.jdt.internal.compiler.ast.ASTNode) { boolean isGenerated = ASTNode_generatedBy.get((org.eclipse.jdt.internal.compiler.ast.ASTNode) internalNode) != null; if (isGenerated) name.getClass().getField("$isGenerated").set(name, true); } } public static RewriteEvent[] listRewriteHandleGeneratedMethods(RewriteEvent parent) { RewriteEvent[] children = parent.getChildren(); List newChildren = new ArrayList(); List modifiedChildren = new ArrayList(); for (int i = 0; i < children.length; i++) { RewriteEvent child = children[i]; boolean isGenerated = isGenerated((org.eclipse.jdt.core.dom.ASTNode) child.getOriginalValue()); if (isGenerated) { boolean isReplacedOrRemoved = child.getChangeKind() == RewriteEvent.REPLACED || child.getChangeKind() == RewriteEvent.REMOVED; boolean convertingFromMethod = child.getOriginalValue() instanceof org.eclipse.jdt.core.dom.MethodDeclaration; if (isReplacedOrRemoved && convertingFromMethod && child.getNewValue() != null) { modifiedChildren.add(new NodeRewriteEvent(null, child.getNewValue())); } } else { newChildren.add(child); } } // Since Eclipse doesn't honor the "insert at specified location" for already existing members, // we'll just add them last newChildren.addAll(modifiedChildren); return newChildren.toArray(new RewriteEvent[0]); } public static int getTokenEndOffsetFixed(TokenScanner scanner, int token, int startOffset, Object domNode) throws CoreException { boolean isGenerated = false; try { isGenerated = (Boolean) domNode.getClass().getField("$isGenerated").get(domNode); } catch (Exception e) { // If this fails, better to break some refactor scripts than to crash eclipse. } if (isGenerated) return -1; return scanner.getTokenEndOffset(token, startOffset); } public static IMethod[] removeGeneratedMethods(IMethod[] methods) throws Exception { List result = new ArrayList(); for (IMethod m : methods) { if (!isGenerated(m)) result.add(m); } return result.size() == methods.length ? methods : result.toArray(new IMethod[0]); } public static SearchMatch[] removeGenerated(SearchMatch[] returnValue) { List result = new ArrayList(); for (int j = 0; j < returnValue.length; j++) { SearchMatch searchResult = returnValue[j]; if (searchResult.getElement() instanceof IField) { IField field = (IField) searchResult.getElement(); // can not check for value=lombok because annotation is // not fully resolved IAnnotation annotation = field.getAnnotation("Generated"); if (annotation != null) { // Method generated at field location, skip continue; } } result.add(searchResult); } return result.toArray(new SearchMatch[0]); } public static SearchResultGroup[] createFakeSearchResult(SearchResultGroup[] returnValue, Object/* * org.eclipse.jdt.internal.corext.refactoring.rename. * RenameFieldProcessor */ processor) throws Exception { if (returnValue == null || returnValue.length == 0) { // if no matches were found, check if Data annotation is present on the class Field declaredField = processor.getClass().getDeclaredField("fField"); if (declaredField != null) { declaredField.setAccessible(true); SourceField fField = (SourceField) declaredField.get(processor); IAnnotation dataAnnotation = fField.getDeclaringType().getAnnotation("Data"); if (dataAnnotation != null) { // add fake item, to make refactoring checks pass return new SearchResultGroup[] {new SearchResultGroup(null, new SearchMatch[1])}; } } } return returnValue; } public static SimpleName[] removeGeneratedSimpleNames(SimpleName[] in) throws Exception { Field f = SimpleName.class.getField("$isGenerated"); int count = 0; for (int i = 0; i < in.length; i++) { if (in[i] == null || !((Boolean)f.get(in[i])).booleanValue()) count++; } if (count == in.length) return in; SimpleName[] newSimpleNames = new SimpleName[count]; count = 0; for (int i = 0; i < in.length; i++) { if (in[i] == null || !((Boolean)f.get(in[i])).booleanValue()) newSimpleNames[count++] = in[i]; } return newSimpleNames; } public static Name[] removeGeneratedNames(Name[] in) throws Exception { Field f = Name.class.getField("$isGenerated"); int count = 0; for (int i = 0; i < in.length; i++) { if (in[i] == null || !((Boolean)f.get(in[i])).booleanValue()) count++; } if (count == in.length) return in; Name[] newNames = new Name[count]; count = 0; for (int i = 0; i < in.length; i++) { if (in[i] == null || !((Boolean)f.get(in[i])).booleanValue()) newNames[count++] = in[i]; } return newNames; } public static Annotation[] convertAnnotations(Annotation[] out, IAnnotatable annotatable) { IAnnotation[] in; try { in = annotatable.getAnnotations(); } catch (Exception e) { return out; } if (out == null) return null; int toWrite = 0; for (int idx = 0; idx < out.length; idx++) { String oName = new String(out[idx].type.getLastToken()); boolean found = false; for (IAnnotation i : in) { String name = i.getElementName(); int li = name.lastIndexOf('.'); if (li > -1) name = name.substring(li + 1); if (name.equals(oName)) { found = true; break; } } if (!found) out[idx] = null; else toWrite++; } Annotation[] replace = out; if (toWrite < out.length) { replace = new Annotation[toWrite]; int idx = 0; for (int i = 0; i < out.length; i++) { if (out[i] == null) continue; replace[idx++] = out[i]; } } return replace; } public static String getRealNodeSource(String original, org.eclipse.jdt.internal.compiler.ast.ASTNode node) { if (!isGenerated(node)) return original; return node.toString(); } public static java.lang.String getRealNodeSource(java.lang.String original, org.eclipse.jdt.core.dom.ASTNode node) throws Exception { if (!isGenerated(node)) return original; return node.toString(); } public static boolean skipRewriteVisibility(IncomingMemberVisibilityAdjustment adjustment) { return isGenerated(adjustment.getMember()); } } public static class Tests { public static Object getBundle(Object original, Class c) { if (original != null) { return original; } CodeSource codeSource = c.getProtectionDomain().getCodeSource(); if (codeSource == null) { return null; } String jar = codeSource.getLocation().getFile(); String bundleName = jar.substring(jar.lastIndexOf("/") + 1, jar.indexOf("_")); org.osgi.framework.Bundle[] bundles = org.eclipse.core.runtime.adaptor.EclipseStarter.getSystemBundleContext().getBundles(); for (org.osgi.framework.Bundle bundle : bundles) { if (bundleName.equals(bundle.getSymbolicName())) { return bundle; } } return null; } } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy