| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.lang.reflect; |
| |
| import dalvik.annotation.optimization.FastNative; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.Objects; |
| import libcore.reflect.AnnotatedElements; |
| import libcore.reflect.GenericSignatureParser; |
| import libcore.reflect.ListOfTypes; |
| import libcore.reflect.Types; |
| import libcore.util.EmptyArray; |
| |
| /** |
| * A shared superclass for the common functionality of {@link Method} |
| * and {@link Constructor}. |
| * |
| * @since 1.8 |
| */ |
| public abstract class Executable extends AccessibleObject |
| implements Member, GenericDeclaration { |
| |
| // Android-changed: Extensive modifications made throughout the class for ART. |
| // Android-removed: Declared vs actual parameter annotation indexes handling. |
| // Android-removed: Type annotations runtime code. Not supported on Android. |
| |
| /* |
| * Only grant package-visibility to the constructor. |
| */ |
| Executable() {} |
| |
| /** |
| * Does the Executable have generic information. |
| */ |
| abstract boolean hasGenericInformation(); |
| |
| boolean equalParamTypes(Class<?>[] params1, Class<?>[] params2) { |
| /* Avoid unnecessary cloning */ |
| if (params1.length == params2.length) { |
| for (int i = 0; i < params1.length; i++) { |
| if (params1[i] != params2[i]) |
| return false; |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| void separateWithCommas(Class<?>[] types, StringBuilder sb) { |
| for (int j = 0; j < types.length; j++) { |
| sb.append(types[j].getTypeName()); |
| if (j < (types.length - 1)) |
| sb.append(","); |
| } |
| |
| } |
| |
| void printModifiersIfNonzero(StringBuilder sb, int mask, boolean isDefault) { |
| int mod = getModifiers() & mask; |
| |
| if (mod != 0 && !isDefault) { |
| sb.append(Modifier.toString(mod)).append(' '); |
| } else { |
| int access_mod = mod & Modifier.ACCESS_MODIFIERS; |
| if (access_mod != 0) |
| sb.append(Modifier.toString(access_mod)).append(' '); |
| if (isDefault) |
| sb.append("default "); |
| mod = (mod & ~Modifier.ACCESS_MODIFIERS); |
| if (mod != 0) |
| sb.append(Modifier.toString(mod)).append(' '); |
| } |
| } |
| |
| String sharedToString(int modifierMask, |
| boolean isDefault, |
| Class<?>[] parameterTypes, |
| Class<?>[] exceptionTypes) { |
| try { |
| StringBuilder sb = new StringBuilder(); |
| |
| printModifiersIfNonzero(sb, modifierMask, isDefault); |
| specificToStringHeader(sb); |
| |
| sb.append('('); |
| separateWithCommas(parameterTypes, sb); |
| sb.append(')'); |
| if (exceptionTypes.length > 0) { |
| sb.append(" throws "); |
| separateWithCommas(exceptionTypes, sb); |
| } |
| return sb.toString(); |
| } catch (Exception e) { |
| return "<" + e + ">"; |
| } |
| } |
| |
| /** |
| * Generate toString header information specific to a method or |
| * constructor. |
| */ |
| abstract void specificToStringHeader(StringBuilder sb); |
| |
| String sharedToGenericString(int modifierMask, boolean isDefault) { |
| try { |
| StringBuilder sb = new StringBuilder(); |
| |
| printModifiersIfNonzero(sb, modifierMask, isDefault); |
| |
| TypeVariable<?>[] typeparms = getTypeParameters(); |
| if (typeparms.length > 0) { |
| boolean first = true; |
| sb.append('<'); |
| for(TypeVariable<?> typeparm: typeparms) { |
| if (!first) |
| sb.append(','); |
| // Class objects can't occur here; no need to test |
| // and call Class.getName(). |
| sb.append(typeparm.toString()); |
| first = false; |
| } |
| sb.append("> "); |
| } |
| |
| specificToGenericStringHeader(sb); |
| |
| sb.append('('); |
| Type[] params = getGenericParameterTypes(); |
| for (int j = 0; j < params.length; j++) { |
| String param = params[j].getTypeName(); |
| if (isVarArgs() && (j == params.length - 1)) // replace T[] with T... |
| param = param.replaceFirst("\\[\\]$", "..."); |
| sb.append(param); |
| if (j < (params.length - 1)) |
| sb.append(','); |
| } |
| sb.append(')'); |
| Type[] exceptions = getGenericExceptionTypes(); |
| if (exceptions.length > 0) { |
| sb.append(" throws "); |
| for (int k = 0; k < exceptions.length; k++) { |
| sb.append((exceptions[k] instanceof Class)? |
| ((Class)exceptions[k]).getName(): |
| exceptions[k].toString()); |
| if (k < (exceptions.length - 1)) |
| sb.append(','); |
| } |
| } |
| return sb.toString(); |
| } catch (Exception e) { |
| return "<" + e + ">"; |
| } |
| } |
| |
| /** |
| * Generate toGenericString header information specific to a |
| * method or constructor. |
| */ |
| abstract void specificToGenericStringHeader(StringBuilder sb); |
| |
| /** |
| * Returns the {@code Class} object representing the class or interface |
| * that declares the executable represented by this object. |
| */ |
| public abstract Class<?> getDeclaringClass(); |
| |
| /** |
| * Returns the name of the executable represented by this object. |
| */ |
| public abstract String getName(); |
| |
| /** |
| * Returns the Java language {@linkplain Modifier modifiers} for |
| * the executable represented by this object. |
| */ |
| public abstract int getModifiers(); |
| |
| /** |
| * Returns an array of {@code TypeVariable} objects that represent the |
| * type variables declared by the generic declaration represented by this |
| * {@code GenericDeclaration} object, in declaration order. Returns an |
| * array of length 0 if the underlying generic declaration declares no type |
| * variables. |
| * |
| * @return an array of {@code TypeVariable} objects that represent |
| * the type variables declared by this generic declaration |
| * @throws GenericSignatureFormatError if the generic |
| * signature of this generic declaration does not conform to |
| * the format specified in |
| * <cite>The Java™ Virtual Machine Specification</cite> |
| */ |
| public abstract TypeVariable<?>[] getTypeParameters(); |
| |
| /** |
| * Returns an array of {@code Class} objects that represent the formal |
| * parameter types, in declaration order, of the executable |
| * represented by this object. Returns an array of length |
| * 0 if the underlying executable takes no parameters. |
| * |
| * @return the parameter types for the executable this object |
| * represents |
| */ |
| public abstract Class<?>[] getParameterTypes(); |
| |
| /** |
| * Returns the number of formal parameters (whether explicitly |
| * declared or implicitly declared or neither) for the executable |
| * represented by this object. |
| * |
| * @return The number of formal parameters for the executable this |
| * object represents |
| */ |
| public int getParameterCount() { |
| throw new AbstractMethodError(); |
| } |
| |
| /** |
| * Returns an array of {@code Type} objects that represent the formal |
| * parameter types, in declaration order, of the executable represented by |
| * this object. Returns an array of length 0 if the |
| * underlying executable takes no parameters. |
| * |
| * <p>If a formal parameter type is a parameterized type, |
| * the {@code Type} object returned for it must accurately reflect |
| * the actual type parameters used in the source code. |
| * |
| * <p>If a formal parameter type is a type variable or a parameterized |
| * type, it is created. Otherwise, it is resolved. |
| * |
| * @return an array of {@code Type}s that represent the formal |
| * parameter types of the underlying executable, in declaration order |
| * @throws GenericSignatureFormatError |
| * if the generic method signature does not conform to the format |
| * specified in |
| * <cite>The Java™ Virtual Machine Specification</cite> |
| * @throws TypeNotPresentException if any of the parameter |
| * types of the underlying executable refers to a non-existent type |
| * declaration |
| * @throws MalformedParameterizedTypeException if any of |
| * the underlying executable's parameter types refer to a parameterized |
| * type that cannot be instantiated for any reason |
| */ |
| public Type[] getGenericParameterTypes() { |
| // Android-changed: getGenericParameterTypes() implementation for use with ART. |
| return Types.getTypeArray( |
| getMethodOrConstructorGenericInfoInternal().genericParameterTypes, false); |
| } |
| |
| /** |
| * Behaves like {@code getGenericParameterTypes}, but returns type |
| * information for all parameters, including synthetic parameters. |
| */ |
| Type[] getAllGenericParameterTypes() { |
| final boolean genericInfo = hasGenericInformation(); |
| |
| // Easy case: we don't have generic parameter information. In |
| // this case, we just return the result of |
| // getParameterTypes(). |
| if (!genericInfo) { |
| return getParameterTypes(); |
| } else { |
| final boolean realParamData = hasRealParameterData(); |
| final Type[] genericParamTypes = getGenericParameterTypes(); |
| final Type[] nonGenericParamTypes = getParameterTypes(); |
| final Type[] out = new Type[nonGenericParamTypes.length]; |
| final Parameter[] params = getParameters(); |
| int fromidx = 0; |
| // If we have real parameter data, then we use the |
| // synthetic and mandate flags to our advantage. |
| if (realParamData) { |
| for (int i = 0; i < out.length; i++) { |
| final Parameter param = params[i]; |
| if (param.isSynthetic() || param.isImplicit()) { |
| // If we hit a synthetic or mandated parameter, |
| // use the non generic parameter info. |
| out[i] = nonGenericParamTypes[i]; |
| } else { |
| // Otherwise, use the generic parameter info. |
| out[i] = genericParamTypes[fromidx]; |
| fromidx++; |
| } |
| } |
| } else { |
| // Otherwise, use the non-generic parameter data. |
| // Without method parameter reflection data, we have |
| // no way to figure out which parameters are |
| // synthetic/mandated, thus, no way to match up the |
| // indexes. |
| return genericParamTypes.length == nonGenericParamTypes.length ? |
| genericParamTypes : nonGenericParamTypes; |
| } |
| return out; |
| } |
| } |
| |
| /** |
| * Returns an array of {@code Parameter} objects that represent |
| * all the parameters to the underlying executable represented by |
| * this object. Returns an array of length 0 if the executable |
| * has no parameters. |
| * |
| * <p>The parameters of the underlying executable do not necessarily |
| * have unique names, or names that are legal identifiers in the |
| * Java programming language (JLS 3.8). |
| * |
| * @throws MalformedParametersException if the class file contains |
| * a MethodParameters attribute that is improperly formatted. |
| * @return an array of {@code Parameter} objects representing all |
| * the parameters to the executable this object represents. |
| */ |
| public Parameter[] getParameters() { |
| // TODO: This may eventually need to be guarded by security |
| // mechanisms similar to those in Field, Method, etc. |
| // |
| // Need to copy the cached array to prevent users from messing |
| // with it. Since parameters are immutable, we can |
| // shallow-copy. |
| return privateGetParameters().clone(); |
| } |
| |
| private Parameter[] synthesizeAllParams() { |
| final int realparams = getParameterCount(); |
| final Parameter[] out = new Parameter[realparams]; |
| for (int i = 0; i < realparams; i++) |
| // TODO: is there a way to synthetically derive the |
| // modifiers? Probably not in the general case, since |
| // we'd have no way of knowing about them, but there |
| // may be specific cases. |
| out[i] = new Parameter("arg" + i, 0, this, i); |
| return out; |
| } |
| |
| private void verifyParameters(final Parameter[] parameters) { |
| final int mask = Modifier.FINAL | Modifier.SYNTHETIC | Modifier.MANDATED; |
| |
| if (getParameterTypes().length != parameters.length) |
| throw new MalformedParametersException("Wrong number of parameters in MethodParameters attribute"); |
| |
| for (Parameter parameter : parameters) { |
| final String name = parameter.getRealName(); |
| final int mods = parameter.getModifiers(); |
| |
| if (name != null) { |
| if (name.isEmpty() || name.indexOf('.') != -1 || |
| name.indexOf(';') != -1 || name.indexOf('[') != -1 || |
| name.indexOf('/') != -1) { |
| throw new MalformedParametersException("Invalid parameter name \"" + name + "\""); |
| } |
| } |
| |
| if (mods != (mods & mask)) { |
| throw new MalformedParametersException("Invalid parameter modifiers"); |
| } |
| } |
| } |
| |
| private Parameter[] privateGetParameters() { |
| // Use tmp to avoid multiple writes to a volatile. |
| Parameter[] tmp = parameters; |
| |
| if (tmp == null) { |
| |
| // Otherwise, go to the JVM to get them |
| try { |
| tmp = getParameters0(); |
| } catch(IllegalArgumentException e) { |
| // Rethrow ClassFormatErrors |
| // Android-changed: Exception changed to be more descriptive. |
| MalformedParametersException e2 = |
| new MalformedParametersException( |
| "Invalid parameter metadata in class file"); |
| e2.initCause(e); |
| throw e2; |
| } |
| |
| // If we get back nothing, then synthesize parameters |
| if (tmp == null) { |
| hasRealParameterData = false; |
| tmp = synthesizeAllParams(); |
| } else { |
| hasRealParameterData = true; |
| verifyParameters(tmp); |
| } |
| |
| parameters = tmp; |
| } |
| |
| return tmp; |
| } |
| |
| boolean hasRealParameterData() { |
| // If this somehow gets called before parameters gets |
| // initialized, force it into existence. |
| if (parameters == null) { |
| privateGetParameters(); |
| } |
| return hasRealParameterData; |
| } |
| |
| private transient volatile boolean hasRealParameterData; |
| private transient volatile Parameter[] parameters; |
| |
| // Android-changed: Added @FastNative to getParameters0() |
| @FastNative |
| private native Parameter[] getParameters0(); |
| |
| /** |
| * Returns an array of {@code Class} objects that represent the |
| * types of exceptions declared to be thrown by the underlying |
| * executable represented by this object. Returns an array of |
| * length 0 if the executable declares no exceptions in its {@code |
| * throws} clause. |
| * |
| * @return the exception types declared as being thrown by the |
| * executable this object represents |
| */ |
| public abstract Class<?>[] getExceptionTypes(); |
| |
| /** |
| * Returns an array of {@code Type} objects that represent the |
| * exceptions declared to be thrown by this executable object. |
| * Returns an array of length 0 if the underlying executable declares |
| * no exceptions in its {@code throws} clause. |
| * |
| * <p>If an exception type is a type variable or a parameterized |
| * type, it is created. Otherwise, it is resolved. |
| * |
| * @return an array of Types that represent the exception types |
| * thrown by the underlying executable |
| * @throws GenericSignatureFormatError |
| * if the generic method signature does not conform to the format |
| * specified in |
| * <cite>The Java™ Virtual Machine Specification</cite> |
| * @throws TypeNotPresentException if the underlying executable's |
| * {@code throws} clause refers to a non-existent type declaration |
| * @throws MalformedParameterizedTypeException if |
| * the underlying executable's {@code throws} clause refers to a |
| * parameterized type that cannot be instantiated for any reason |
| */ |
| public Type[] getGenericExceptionTypes() { |
| // Android-changed: getGenericExceptionTypes() implementation for use with ART. |
| return Types.getTypeArray( |
| getMethodOrConstructorGenericInfoInternal().genericExceptionTypes, false); |
| } |
| |
| /** |
| * Returns a string describing this {@code Executable}, including |
| * any type parameters. |
| * @return a string describing this {@code Executable}, including |
| * any type parameters |
| */ |
| public abstract String toGenericString(); |
| |
| /** |
| * Returns {@code true} if this executable was declared to take a |
| * variable number of arguments; returns {@code false} otherwise. |
| * |
| * @return {@code true} if an only if this executable was declared |
| * to take a variable number of arguments. |
| */ |
| public boolean isVarArgs() { |
| // Android-changed: isVarArgs() made slightly more efficient. |
| return (accessFlags & Modifier.VARARGS) != 0; |
| } |
| |
| /** |
| * Returns {@code true} if this executable is a synthetic |
| * construct; returns {@code false} otherwise. |
| * |
| * @return true if and only if this executable is a synthetic |
| * construct as defined by |
| * <cite>The Java™ Language Specification</cite>. |
| * @jls 13.1 The Form of a Binary |
| */ |
| public boolean isSynthetic() { |
| // Android-changed: isSynthetic() made slightly more efficient. |
| return (accessFlags & Modifier.SYNTHETIC) != 0; |
| } |
| |
| /** |
| * Returns an array of arrays of {@code Annotation}s that |
| * represent the annotations on the formal parameters, in |
| * declaration order, of the {@code Executable} represented by |
| * this object. Synthetic and mandated parameters (see |
| * explanation below), such as the outer "this" parameter to an |
| * inner class constructor will be represented in the returned |
| * array. If the executable has no parameters (meaning no formal, |
| * no synthetic, and no mandated parameters), a zero-length array |
| * will be returned. If the {@code Executable} has one or more |
| * parameters, a nested array of length zero is returned for each |
| * parameter with no annotations. The annotation objects contained |
| * in the returned arrays are serializable. The caller of this |
| * method is free to modify the returned arrays; it will have no |
| * effect on the arrays returned to other callers. |
| * |
| * A compiler may add extra parameters that are implicitly |
| * declared in source ("mandated"), as well as parameters that |
| * are neither implicitly nor explicitly declared in source |
| * ("synthetic") to the parameter list for a method. See {@link |
| * java.lang.reflect.Parameter} for more information. |
| * |
| * @see java.lang.reflect.Parameter |
| * @see java.lang.reflect.Parameter#getAnnotations |
| * @return an array of arrays that represent the annotations on |
| * the formal and implicit parameters, in declaration order, of |
| * the executable represented by this object |
| */ |
| public abstract Annotation[][] getParameterAnnotations(); |
| |
| /** |
| * {@inheritDoc} |
| * @throws NullPointerException {@inheritDoc} |
| */ |
| public <T extends Annotation> T getAnnotation(Class<T> annotationClass) { |
| Objects.requireNonNull(annotationClass); |
| // Android-changed: Implemented getAnnotation(Class) natively. |
| return getAnnotationNative(annotationClass); |
| } |
| |
| // Android-changed: Implemented getAnnotation(Class) natively. |
| @FastNative |
| private native <T extends Annotation> T getAnnotationNative(Class<T> annotationClass); |
| |
| /** |
| * {@inheritDoc} |
| * @throws NullPointerException {@inheritDoc} |
| */ |
| @Override |
| public <T extends Annotation> T[] getAnnotationsByType(Class<T> annotationClass) { |
| // Android-changed: getAnnotationsByType(Class), Android uses AnnotatedElements instead. |
| return AnnotatedElements.getDirectOrIndirectAnnotationsByType(this, annotationClass); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public Annotation[] getDeclaredAnnotations() { |
| // Android-changed: Implemented getDeclaredAnnotations() natively. |
| return getDeclaredAnnotationsNative(); |
| } |
| |
| // Android-added: Implemented getDeclaredAnnotations() natively. |
| @FastNative |
| private native Annotation[] getDeclaredAnnotationsNative(); |
| |
| // BEGIN Android-added: Additional ART-related fields and logic. |
| // This code is shared for Method and Constructor. |
| |
| /** Bits encoding access (e.g. public, private) as well as other runtime specific flags */ |
| @SuppressWarnings("unused") // set by runtime |
| private int accessFlags; |
| |
| /** |
| * The ArtMethod associated with this Executable, required for dispatching due to entrypoints |
| * Classloader is held live by the declaring class. |
| */ |
| @SuppressWarnings("unused") // set by runtime |
| private long artMethod; |
| |
| /** Executable's declaring class */ |
| @SuppressWarnings("unused") // set by runtime |
| private Class<?> declaringClass; |
| |
| /** |
| * Overriden method's declaring class (same as declaringClass unless declaringClass is a proxy |
| * class). |
| */ |
| @SuppressWarnings("unused") // set by runtime |
| private Class<?> declaringClassOfOverriddenMethod; |
| |
| /** The method index of this method within its defining dex file */ |
| @SuppressWarnings("unused") // set by runtime |
| private int dexMethodIndex; |
| |
| /** |
| * We insert native method stubs for abstract methods so we don't have to |
| * check the access flags at the time of the method call. This results in |
| * "native abstract" methods, which can't exist. If we see the "abstract" |
| * flag set, clear the "native" flag. |
| * |
| * We also move the DECLARED_SYNCHRONIZED flag into the SYNCHRONIZED |
| * position, because the callers of this function are trying to convey |
| * the "traditional" meaning of the flags to their callers. |
| */ |
| private static int fixMethodFlags(int flags) { |
| if ((flags & Modifier.ABSTRACT) != 0) { |
| flags &= ~Modifier.NATIVE; |
| } |
| flags &= ~Modifier.SYNCHRONIZED; |
| int ACC_DECLARED_SYNCHRONIZED = 0x00020000; |
| if ((flags & ACC_DECLARED_SYNCHRONIZED) != 0) { |
| flags |= Modifier.SYNCHRONIZED; |
| } |
| return flags & 0xffff; // mask out bits not used by Java |
| } |
| |
| final int getModifiersInternal() { |
| return fixMethodFlags(accessFlags); |
| } |
| |
| final Class<?> getDeclaringClassInternal() { |
| return declaringClass; |
| } |
| |
| /** |
| * Returns an array of {@code Class} objects associated with the parameter types of this |
| * Executable. If the Executable was declared with no parameters, {@code null} will be |
| * returned. |
| * |
| * @return the parameter types, or {@code null} if no parameters were declared. |
| */ |
| @FastNative |
| final native Class<?>[] getParameterTypesInternal(); |
| |
| @FastNative |
| final native int getParameterCountInternal(); |
| |
| // Android provides a more efficient implementation of this method for Executable than the one |
| // implemented in AnnotatedElement. |
| @Override |
| public final boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { |
| Objects.requireNonNull(annotationType); |
| return isAnnotationPresentNative(annotationType); |
| } |
| @FastNative |
| private native boolean isAnnotationPresentNative(Class<? extends Annotation> annotationType); |
| |
| final Annotation[][] getParameterAnnotationsInternal() { |
| Annotation[][] parameterAnnotations = getParameterAnnotationsNative(); |
| if (parameterAnnotations == null) { |
| parameterAnnotations = new Annotation[getParameterTypes().length][0]; |
| } |
| return parameterAnnotations; |
| } |
| @FastNative |
| private native Annotation[][] getParameterAnnotationsNative(); |
| |
| /** |
| * @hide - exposed for use by {@link Class}. |
| */ |
| public final int getAccessFlags() { |
| return accessFlags; |
| } |
| |
| /** |
| * @hide - exposed for use by {@code java.lang.invoke.*}. |
| */ |
| public final long getArtMethod() { |
| return artMethod; |
| } |
| |
| static final class GenericInfo { |
| final ListOfTypes genericExceptionTypes; |
| final ListOfTypes genericParameterTypes; |
| final Type genericReturnType; |
| final TypeVariable<?>[] formalTypeParameters; |
| |
| GenericInfo(ListOfTypes exceptions, ListOfTypes parameters, Type ret, |
| TypeVariable<?>[] formal) { |
| genericExceptionTypes = exceptions; |
| genericParameterTypes = parameters; |
| genericReturnType = ret; |
| formalTypeParameters = formal; |
| } |
| } |
| |
| final boolean hasGenericInformationInternal() { |
| return getSignatureAnnotation() != null; |
| } |
| |
| /** |
| * Returns generic information associated with this method/constructor member. |
| */ |
| final GenericInfo getMethodOrConstructorGenericInfoInternal() { |
| String signatureAttribute = getSignatureAttribute(); |
| Class<?>[] exceptionTypes = this.getExceptionTypes(); |
| GenericSignatureParser parser = |
| new GenericSignatureParser(this.getDeclaringClass().getClassLoader()); |
| if (this instanceof Method) { |
| parser.parseForMethod(this, signatureAttribute, exceptionTypes); |
| } else { |
| parser.parseForConstructor(this, signatureAttribute, exceptionTypes); |
| } |
| return new GenericInfo(parser.exceptionTypes, parser.parameterTypes, |
| parser.returnType, parser.formalTypeParameters); |
| } |
| |
| private String getSignatureAttribute() { |
| String[] annotation = getSignatureAnnotation(); |
| if (annotation == null) { |
| return null; |
| } |
| StringBuilder result = new StringBuilder(); |
| for (String s : annotation) { |
| result.append(s); |
| } |
| return result.toString(); |
| } |
| @FastNative |
| private native String[] getSignatureAnnotation(); |
| |
| final boolean equalNameAndParametersInternal(Method m) { |
| return getName().equals(m.getName()) && (compareMethodParametersInternal(m) == 0); |
| } |
| |
| @FastNative |
| native int compareMethodParametersInternal(Method meth); |
| |
| @FastNative |
| final native String getMethodNameInternal(); |
| |
| @FastNative |
| final native Class<?> getMethodReturnTypeInternal(); |
| |
| /** A cheap implementation for {@link Method#isDefault()}. */ |
| final boolean isDefaultMethodInternal() { |
| return (accessFlags & Modifier.DEFAULT) != 0; |
| } |
| |
| /** A cheap implementation for {@link Method#isBridge()}. */ |
| final boolean isBridgeMethodInternal() { |
| return (accessFlags & Modifier.BRIDGE) != 0; |
| } |
| // END Android-added: Additional ART-related fields and logic. |
| |
| } |
