| /******************************************************************************* |
| * Copyright (c) 2015, 2016 Google, Inc and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Stefan Xenos (Google) - Initial implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.core.nd.java; |
| |
| import java.util.List; |
| |
| import org.eclipse.jdt.internal.core.nd.Nd; |
| import org.eclipse.jdt.internal.core.nd.field.FieldLong; |
| import org.eclipse.jdt.internal.core.nd.field.FieldManyToOne; |
| import org.eclipse.jdt.internal.core.nd.field.FieldOneToMany; |
| import org.eclipse.jdt.internal.core.nd.field.FieldOneToOne; |
| import org.eclipse.jdt.internal.core.nd.field.FieldShort; |
| import org.eclipse.jdt.internal.core.nd.field.StructDef; |
| import org.eclipse.jdt.internal.core.nd.util.CharArrayUtils; |
| import org.eclipse.jdt.internal.core.util.CharArrayBuffer; |
| |
| public class NdMethod extends NdBinding { |
| public static final FieldManyToOne<NdMethodId> METHOD_ID; |
| public static final FieldShort METHOD_FLAGS; |
| public static final FieldManyToOne<NdType> PARENT; |
| public static final FieldOneToMany<NdVariable> DECLARED_VARIABLES; |
| public static final FieldOneToMany<NdMethodParameter> PARAMETERS; |
| public static final FieldOneToOne<NdConstant> DEFAULT_VALUE; |
| public static final FieldOneToMany<NdMethodException> EXCEPTIONS; |
| public static final FieldManyToOne<NdTypeSignature> RETURN_TYPE; |
| public static final FieldLong TAG_BITS; |
| public static final FieldOneToMany<NdAnnotationInMethod> ANNOTATIONS; |
| public static final FieldOneToMany<NdTypeAnnotationInMethod> TYPE_ANNOTATIONS; |
| |
| @SuppressWarnings("hiding") |
| public static final StructDef<NdMethod> type; |
| |
| static { |
| type = StructDef.create(NdMethod.class, NdBinding.type); |
| METHOD_ID = FieldManyToOne.create(type, NdMethodId.METHODS); |
| METHOD_FLAGS = type.addShort(); |
| PARENT = FieldManyToOne.create(type, NdType.METHODS); |
| PARAMETERS = FieldOneToMany.create(type, NdMethodParameter.PARENT); |
| DECLARED_VARIABLES = FieldOneToMany.create(type, NdVariable.DECLARING_METHOD); |
| DEFAULT_VALUE = FieldOneToOne.create(type, NdConstant.class, NdConstant.PARENT_METHOD); |
| EXCEPTIONS = FieldOneToMany.create(type, NdMethodException.PARENT); |
| RETURN_TYPE = FieldManyToOne.create(type, NdTypeSignature.USED_AS_RETURN_TYPE); |
| TAG_BITS = type.addLong(); |
| ANNOTATIONS = FieldOneToMany.create(type, NdAnnotationInMethod.OWNER); |
| TYPE_ANNOTATIONS = FieldOneToMany.create(type, NdTypeAnnotationInMethod.OWNER); |
| type.done(); |
| } |
| |
| public static final byte FLG_GENERIC_SIGNATURE_PRESENT = 0x0001; |
| public static final byte FLG_THROWS_SIGNATURE_PRESENT = 0x0002; |
| |
| public NdMethod(Nd nd, long address) { |
| super(nd, address); |
| } |
| |
| public NdMethod(NdType parent) { |
| super(parent.getNd(), parent.getFile()); |
| |
| PARENT.put(getNd(), this.address, parent); |
| } |
| |
| public NdMethodId getMethodId() { |
| return METHOD_ID.get(getNd(), this.address); |
| } |
| |
| /** |
| * Returns method parameter names that were not defined by the compiler. |
| */ |
| public char[][] getParameterNames() { |
| List<NdMethodParameter> params = getMethodParameters(); |
| |
| // Use index to count the "real" parameters. |
| int index = 0; |
| char[][] result = new char[params.size()][]; |
| for (int idx = 0; idx < result.length; idx++) { |
| NdMethodParameter param = params.get(idx); |
| if (!param.isCompilerDefined()) { |
| result[index] = param.getName().getChars(); |
| index++; |
| } |
| } |
| return CharArrayUtils.subarray(result, 0, index); |
| } |
| |
| public List<NdMethodParameter> getMethodParameters() { |
| return PARAMETERS.asList(getNd(), this.address); |
| } |
| |
| public List<NdAnnotationInMethod> getAnnotations() { |
| return ANNOTATIONS.asList(getNd(), this.address); |
| } |
| |
| public void setDefaultValue(NdConstant value) { |
| DEFAULT_VALUE.put(getNd(), this.address, value); |
| } |
| |
| public NdConstant getDefaultValue() { |
| return DEFAULT_VALUE.get(getNd(), this.address); |
| } |
| |
| public void setReturnType(NdTypeSignature createTypeSignature) { |
| RETURN_TYPE.put(getNd(), this.address, createTypeSignature); |
| } |
| |
| public void setMethodId(NdMethodId methodId) { |
| METHOD_ID.put(getNd(), this.address, methodId); |
| } |
| |
| public List<NdTypeAnnotationInMethod> getTypeAnnotations() { |
| return TYPE_ANNOTATIONS.asList(getNd(), this.address); |
| } |
| |
| public List<NdMethodException> getExceptions() { |
| return EXCEPTIONS.asList(getNd(), this.address); |
| } |
| |
| /** |
| * Returns the return type for this method or null if the method returns void |
| */ |
| public NdTypeSignature getReturnType() { |
| return RETURN_TYPE.get(getNd(), this.address); |
| } |
| |
| public int getFlags() { |
| return METHOD_FLAGS.get(getNd(), this.address); |
| } |
| |
| public boolean hasAllFlags(int flags) { |
| int ourFlags = getFlags(); |
| |
| return (ourFlags & flags) == flags; |
| } |
| |
| public void setFlags(int flags) { |
| METHOD_FLAGS.put(getNd(), this.address, (short) (getFlags() | flags)); |
| } |
| |
| public void setTagBits(long bits) { |
| TAG_BITS.put(getNd(), this.address, bits); |
| } |
| |
| public long getTagBits() { |
| return TAG_BITS.get(getNd(), this.address); |
| } |
| |
| public String toString() { |
| try { |
| CharArrayBuffer arrayBuffer = new CharArrayBuffer(); |
| arrayBuffer.append(getMethodId().getSelector()); |
| getGenericSignature(arrayBuffer, true); |
| return arrayBuffer.toString(); |
| } catch (RuntimeException e) { |
| // This is called most often from the debugger, so we want to return something meaningful even |
| // if the code is buggy, the database is corrupt, or we don't have a read lock. |
| return super.toString(); |
| } |
| } |
| |
| public void getGenericSignature(CharArrayBuffer result, boolean includeExceptions) { |
| NdTypeParameter.getSignature(result, getTypeParameters()); |
| |
| result.append('('); |
| for (NdMethodParameter next : getMethodParameters()) { |
| // Compiler-defined arguments don't show up in the generic signature |
| if (!next.isCompilerDefined()) { |
| next.getType().getSignature(result); |
| } |
| } |
| result.append(')'); |
| NdTypeSignature returnType = getReturnType(); |
| if (returnType == null) { |
| result.append('V'); |
| } else { |
| returnType.getSignature(result); |
| } |
| if (includeExceptions) { |
| List<NdMethodException> exceptions = getExceptions(); |
| for (NdMethodException next : exceptions) { |
| result.append('^'); |
| next.getExceptionType().getSignature(result); |
| } |
| } |
| } |
| } |