Package javassist.bytecode

Examples of javassist.bytecode.ConstPool

129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
     * expression can catch and the exceptions that the throws declaration
     * allows the method to throw.
     */
    public CtClass[] mayThrow() {
        ClassPool pool = thisClass.getClassPool();
        ConstPool cp = thisMethod.getConstPool();
        LinkedList list = new LinkedList();
        try {
            CodeAttribute ca = thisMethod.getCodeAttribute();
            ExceptionTable et = ca.getExceptionTable();
            int pos = currentPos;
            int n = et.size();
            for (int i = 0; i < n; ++i)
                if (et.startPc(i) <= pos && pos < et.endPc(i)) {
                    int t = et.catchType(i);
                    if (t > 0)
                        try {
                            addClass(list, pool.get(cp.getClassInfo(t)));
                        }
                        catch (NotFoundException e) {
                        }
                }
        }
View Full Code Here
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
        if (init != null) {
            init.check(f.getSignature());
            int mod = f.getModifiers();
            if (Modifier.isStatic(mod) && Modifier.isFinal(mod))
                try {
                    ConstPool cp = getClassFile2().getConstPool();
                    int index = init.getConstantValue(cp, f.getType());
                    if (index != 0) {
                        f.getFieldInfo2().addAttribute(new ConstantAttribute(cp, index));
                        init = null;
                    }
View Full Code Here
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
    public void instrument(CodeConverter converter)
        throws CannotCompileException
    {
        checkModify();
        ClassFile cf = getClassFile2();
        ConstPool cp = cf.getConstPool();
        List list = cf.getMethods();
        int n = list.size();
        for (int i = 0; i < n; ++i) {
            MethodInfo minfo = (MethodInfo)list.get(i);
            converter.doit(this, minfo, cp);
View Full Code Here
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
        throws CannotCompileException, NotFoundException
    {
        if (fieldInitializers == null)
            return;

        ConstPool cp = cf.getConstPool();
        List list = cf.getMethods();
        int n = list.size();
        for (int i = 0; i < n; ++i) {
            MethodInfo minfo = (MethodInfo)list.get(i);
            if (minfo.isConstructor()) {
View Full Code Here
76
77
78
79
80
81
82
83
84
85
86
     * Prints the instructions and the frame states of the given method.
     */
    public void print(CtMethod method) {
        stream.println("\n" + getMethodString(method));
        MethodInfo info = method.getMethodInfo2();
        ConstPool pool = info.getConstPool();
        CodeAttribute code = info.getCodeAttribute();
        if (code == null)
            return;

        Frame[] frames;
View Full Code Here
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
        // on the current instruction frame.
        mergeExceptionHandlers(queue, method, pos, frame);
    }

    private ExceptionInfo[] buildExceptionInfo(MethodInfo method) {
        ConstPool constPool = method.getConstPool();
        ClassPool classes = clazz.getClassPool();

        ExceptionTable table = method.getCodeAttribute().getExceptionTable();
        ExceptionInfo[] exceptions = new ExceptionInfo[table.size()];
        for (int i = 0; i < table.size(); i++) {
            int index = table.catchType(i);
            Type type;
            try {
                type = index == 0 ? Type.THROWABLE : Type.get(classes.get(constPool.getClassInfo(index)));
            } catch (NotFoundException e) {
                throw new IllegalStateException(e.getMessage());
            }

            exceptions[i] = new ExceptionInfo(table.startPc(i), table.endPc(i), table.handlerPc(i), type);
View Full Code Here
121
122
123
124
125
126
127
128
129
130
131
    }
  }

  private void addFieldHandlerField(ClassFile classfile)
      throws CannotCompileException {
    ConstPool cp = classfile.getConstPool();
    FieldInfo finfo = new FieldInfo(cp, HANDLER_FIELD_NAME,
                                    HANDLER_FIELD_DESCRIPTOR);
    finfo.setAccessFlags(AccessFlag.PRIVATE | AccessFlag.TRANSIENT);
    classfile.addField(finfo);
  }
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
    classfile.addField(finfo);
  }

  private void addGetFieldHandlerMethod(ClassFile classfile)
      throws CannotCompileException {
    ConstPool cp = classfile.getConstPool();
    int this_class_index = cp.getThisClassInfo();
    MethodInfo minfo = new MethodInfo(cp, GETFIELDHANDLER_METHOD_NAME,
                                      GETFIELDHANDLER_METHOD_DESCRIPTOR);
    /* local variable | this | */
    Bytecode code = new Bytecode(cp, 2, 1);
    // aload_0 // load this
    code.addAload(0);
    // getfield // get field "$JAVASSIST_CALLBACK" defined already
    code.addOpcode(Opcode.GETFIELD);
    int field_index = cp.addFieldrefInfo(this_class_index,
                                         HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR);
    code.addIndex(field_index);
    // areturn // return the value of the field
    code.addOpcode(Opcode.ARETURN);
    minfo.setCodeAttribute(code.toCodeAttribute());
View Full Code Here
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
    classfile.addMethod(minfo);
  }

  private void addSetFieldHandlerMethod(ClassFile classfile)
      throws CannotCompileException {
    ConstPool cp = classfile.getConstPool();
    int this_class_index = cp.getThisClassInfo();
    MethodInfo minfo = new MethodInfo(cp, SETFIELDHANDLER_METHOD_NAME,
                                      SETFIELDHANDLER_METHOD_DESCRIPTOR);
    /* local variables | this | callback | */
    Bytecode code = new Bytecode(cp, 3, 3);
    // aload_0 // load this
    code.addAload(0);
    // aload_1 // load callback
    code.addAload(1);
    // putfield // put field "$JAVASSIST_CALLBACK" defined already
    code.addOpcode(Opcode.PUTFIELD);
    int field_index = cp.addFieldrefInfo(this_class_index,
                                         HANDLER_FIELD_NAME, HANDLER_FIELD_DESCRIPTOR);
    code.addIndex(field_index);
    // return
    code.addOpcode(Opcode.RETURN);
    minfo.setCodeAttribute(code.toCodeAttribute());
View Full Code Here
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
    }
  }

  private void addReadMethod(ClassFile classfile, FieldInfo finfo)
      throws CannotCompileException {
    ConstPool cp = classfile.getConstPool();
    int this_class_index = cp.getThisClassInfo();
    String desc = "()" + finfo.getDescriptor();
    MethodInfo minfo = new MethodInfo(cp, EACH_READ_METHOD_PREFIX
                                          + finfo.getName(), desc);
    /* local variables | target obj | each oldvalue | */
    Bytecode code = new Bytecode(cp, 5, 3);
    // aload_0
    code.addAload(0);
    // getfield // get each field
    code.addOpcode(Opcode.GETFIELD);
    int base_field_index = cp.addFieldrefInfo(this_class_index, finfo
        .getName(), finfo.getDescriptor());
    code.addIndex(base_field_index);
    // aload_0
    code.addAload(0);
    // invokeinterface // invoke Enabled.getInterceptFieldCallback()
    int enabled_class_index = cp.addClassInfo(FIELD_HANDLED_TYPE_NAME);
    code.addInvokeinterface(enabled_class_index,
                            GETFIELDHANDLER_METHOD_NAME, GETFIELDHANDLER_METHOD_DESCRIPTOR,
                            1);
    // ifnonnull
    code.addOpcode(Opcode.IFNONNULL);
View Full Code Here
TOP

Related Classes of javassist.bytecode.ConstPool

  • br.com.caelum.vraptor.scan.JavassistBootstrapGenerator
  • bytecodeparser.analysis.decoders.DecodedConstantPushOp
  • bytecodeparser.analysis.decoders.DecodedMethodInvocationOp
  • com.clarkparsia.empire.codegen.InstanceGenerator
  • com.google.appengine.tck.coverage.CodeCoverage
  • com.google.appengine.tck.transformers.ArquillianJUnitTransformer
  • com.google.appengine.tck.transformers.JavassistTransformer
  • com.googlecode.gwt.test.gin.DeferredBindingModule
  • com.ikanow.infinit.e.harvest.test.NoSqlHarvestTest
  • com.pclewis.mcpatcher.MinecraftJar$Info
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.