SmalideaMethod.java revision ff4c85c5e4e380607fe1f89dc72db7339f77db8c 
1/*
2 * Copyright 2014, Google Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32package org.jf.smalidea.dexlib;
33
34import com.google.common.base.Function;
35import com.google.common.collect.ImmutableList;
36import com.google.common.collect.ImmutableSet;
37import com.google.common.collect.Lists;
38import com.intellij.psi.PsiClass;
39import com.intellij.psi.PsiMethod;
40import com.intellij.psi.PsiModifierList;
41import com.intellij.psi.PsiParameter;
42import org.jetbrains.annotations.NotNull;
43import org.jetbrains.annotations.Nullable;
44import org.jf.dexlib2.AccessFlags;
45import org.jf.dexlib2.base.reference.BaseMethodReference;
46import org.jf.dexlib2.iface.*;
47import org.jf.dexlib2.iface.debug.DebugItem;
48import org.jf.dexlib2.iface.instruction.Instruction;
49import org.jf.smalidea.dexlib.instruction.SmalideaInstruction;
50import org.jf.smalidea.psi.impl.SmaliCatchStatement;
51import org.jf.smalidea.psi.impl.SmaliInstruction;
52import org.jf.smalidea.psi.impl.SmaliMethod;
53import org.jf.smalidea.util.NameUtils;
54
55import javax.annotation.Nonnull;
56import java.util.Arrays;
57import java.util.List;
58import java.util.Set;
59
60public class SmalideaMethod extends BaseMethodReference implements Method {
61    private final PsiMethod psiMethod;
62
63    public SmalideaMethod(@NotNull PsiMethod psiMethod) {
64        this.psiMethod = psiMethod;
65    }
66
67    @Nonnull @Override public String getDefiningClass() {
68        PsiClass cls = psiMethod.getContainingClass();
69        assert cls != null;
70        String qualifiedName = cls.getQualifiedName();
71        assert qualifiedName != null;
72        return NameUtils.javaToSmaliType(qualifiedName);
73    }
74
75    @Nonnull @Override public List<? extends MethodParameter> getParameters() {
76        PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
77
78        return Lists.transform(Arrays.asList(parameters), new Function<PsiParameter, MethodParameter>() {
79            @Nullable @Override
80            public MethodParameter apply(@Nullable PsiParameter psiParameter) {
81                if (psiParameter == null) {
82                    return null;
83                }
84                return new SmalideaMethodParameter(psiParameter);
85            }
86        });
87    }
88
89    @Override public int getAccessFlags() {
90        if (psiMethod instanceof SmaliMethod) {
91            return ((SmaliMethod)psiMethod).getModifierList().getAccessFlags();
92        } else {
93            int flags = 0;
94            PsiModifierList modifierList = psiMethod.getModifierList();
95            if (modifierList.hasModifierProperty("public")) {
96                flags |= AccessFlags.PUBLIC.getValue();
97            } else if (modifierList.hasModifierProperty("protected")) {
98                flags |= AccessFlags.PROTECTED.getValue();
99            } else if (modifierList.hasModifierProperty("private")) {
100                flags |= AccessFlags.PRIVATE.getValue();
101            }
102
103            if (modifierList.hasModifierProperty("static")) {
104                flags |= AccessFlags.STATIC.getValue();
105            }
106
107            if (modifierList.hasModifierProperty("final")) {
108                flags |= AccessFlags.FINAL.getValue();
109            }
110
111            boolean isNative = false;
112            if (modifierList.hasModifierProperty("native")) {
113                flags |= AccessFlags.NATIVE.getValue();
114                isNative = true;
115            }
116
117            if (modifierList.hasModifierProperty("synchronized")) {
118                if (isNative) {
119                    flags |= AccessFlags.SYNCHRONIZED.getValue();
120                } else {
121                    flags |= AccessFlags.DECLARED_SYNCHRONIZED.getValue();
122                }
123            }
124
125            if (psiMethod.isVarArgs()) {
126                flags |= AccessFlags.VARARGS.getValue();
127            }
128
129            if (modifierList.hasModifierProperty("abstract")) {
130                flags |= AccessFlags.ABSTRACT.getValue();
131            }
132
133            if (modifierList.hasModifierProperty("strictfp")) {
134                flags |= AccessFlags.STRICTFP.getValue();
135            }
136
137            if (psiMethod.isConstructor()) {
138                flags |= AccessFlags.CONSTRUCTOR.getValue();
139            }
140            return flags;
141        }
142    }
143
144    @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
145        // TODO: implement this
146        return ImmutableSet.of();
147    }
148
149    @Nullable @Override public MethodImplementation getImplementation() {
150        if (psiMethod instanceof SmaliMethod) {
151            final SmaliMethod smaliMethod = (SmaliMethod)this.psiMethod;
152
153            List<SmaliInstruction> instructions = smaliMethod.getInstructions();
154            if (instructions.size() == 0) {
155                return null;
156            }
157
158            // TODO: cache this?
159            return new MethodImplementation() {
160                @Override public int getRegisterCount() {
161                    return smaliMethod.getRegisterCount();
162                }
163
164                @Nonnull @Override public Iterable<? extends Instruction> getInstructions() {
165                    return Lists.transform(smaliMethod.getInstructions(),
166                            new Function<SmaliInstruction, Instruction>() {
167                                @Override
168                                public Instruction apply(SmaliInstruction smaliInstruction) {
169                                    return SmalideaInstruction.of(smaliInstruction);
170                                }
171                            });
172                }
173
174                @Nonnull @Override public List<? extends TryBlock<? extends ExceptionHandler>> getTryBlocks() {
175                    return Lists.transform(smaliMethod.getCatchStatements(),
176                            new Function<SmaliCatchStatement, TryBlock<? extends ExceptionHandler>>() {
177                                @Override
178                                public TryBlock<? extends ExceptionHandler> apply(
179                                        SmaliCatchStatement smaliCatchStatement) {
180                                    assert smaliCatchStatement != null;
181                                    return new SmalideaTryBlock(smaliCatchStatement);
182                                }
183                            });
184                }
185
186                @Nonnull @Override public Iterable<? extends DebugItem> getDebugItems() {
187                    // TODO: implement this
188                    return ImmutableList.of();
189                }
190            };
191        }
192        return null;
193    }
194
195    @Nonnull @Override public String getName() {
196        return psiMethod.getName();
197    }
198
199    @Nonnull @Override public List<? extends CharSequence> getParameterTypes() {
200        PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
201
202        return Lists.transform(Arrays.asList(parameters), new Function<PsiParameter, CharSequence>() {
203            @Nullable @Override
204            public CharSequence apply(@Nullable PsiParameter psiParameter) {
205                if (psiParameter == null) {
206                    return null;
207                }
208                return psiParameter.getText();
209            }
210        });
211    }
212
213    @Nonnull @Override public String getReturnType() {
214        return psiMethod.getReturnTypeElement().getText();
215    }
216}
217