Examples with LabelStmt com.googlecode.dex2jar.ir.stmt.LabelStmt used on opensource projects

Example 36 with LabelStmt

use of com.googlecode.dex2jar.ir.stmt.LabelStmt in project dex2jar by pxb1988.

the class UnSSATransformerTransformerTest method test05OneInPhiLoop.

@Test
public void test05OneInPhiLoop() {
    initMethod(true, "V");
    Local a = addLocal("a");
    Local b = addLocal("b");
    Local phi = addLocal("p");
    Stmt s1 = addStmt(nAssign(a, nString("123")));
    LabelStmt L1 = newLabel();
    addStmt(L1);
    attachPhi(L1, nAssign(phi, nPhi(a)));
    addStmt(nVoidInvoke(nInvokeStatic(new Value[] { phi }, "LAAA;", "bMethod", new String[] { "Ljava/lang/String;" }, "V")));
    addStmt(nAssign(b, nString("456")));
    // phi is still live here
    Stmt s2 = addStmt(nVoidInvoke(nInvokeStatic(new Value[] { b }, "LBBB;", "cMethod", new String[] { "Ljava/lang/String;" }, "V")));
    addStmt(nIf(niGt(nInt(100), nInt(0)), L1));
    addStmt(nReturnVoid());
    transform();
    Assert.assertTrue("p=a should inserted", s1.getPre() != L1);
}

Example 37 with LabelStmt

use of com.googlecode.dex2jar.ir.stmt.LabelStmt in project dex2jar by pxb1988.

the class Dex2IrAdapter method visitPackedSwitchStmt.

@Override
public void visitPackedSwitchStmt(Op op, int aA, int first_case, DexLabel[] labels) {
    LabelStmt[] lss = new LabelStmt[labels.length];
    for (int i = 0; i < labels.length; i++) {
        lss[i] = toLabelStmt(labels[i]);
    }
    LabelStmt d = new LabelStmt();
    x(nTableSwitch(locals[aA], first_case, lss, d));
    x(d);
}

Example 38 with LabelStmt

use of com.googlecode.dex2jar.ir.stmt.LabelStmt in project dex2jar by pxb1988.

the class Dex2IrAdapter method toLabelStmt.

private LabelStmt toLabelStmt(DexLabel label) {
    LabelStmt ls = labelStmtMap.get(label);
    if (ls == null) {
        ls = new LabelStmt();
        labelStmtMap.put(label, ls);
    }
    return ls;
}

Example 39 with LabelStmt

use of com.googlecode.dex2jar.ir.stmt.LabelStmt in project dex2jar by pxb1988.

the class Dex2jar method doTranslate.

private void doTranslate(final Path dist) throws IOException {
    DexFileNode fileNode = new DexFileNode();
    try {
        reader.accept(fileNode, readerConfig | DexFileReader.IGNORE_READ_EXCEPTION);
    } catch (Exception ex) {
        exceptionHandler.handleFileException(ex);
    }
    ClassVisitorFactory cvf = new ClassVisitorFactory() {

        @Override
        public ClassVisitor create(final String name) {
            return new ClassVisitor(Opcodes.ASM4, new ClassWriter(ClassWriter.COMPUTE_MAXS)) {

                @Override
                public void visitEnd() {
                    super.visitEnd();
                    ClassWriter cw = (ClassWriter) super.cv;
                    byte[] data;
                    try {
                        // FIXME handle 'java.lang.RuntimeException: Method code too large!'
                        data = cw.toByteArray();
                    } catch (Exception ex) {
                        System.err.println(String.format("ASM fail to generate .class file: %s", name));
                        exceptionHandler.handleFileException(ex);
                        return;
                    }
                    try {
                        Path dist1 = dist.resolve(name + ".class");
                        Path parent = dist1.getParent();
                        if (parent != null && !Files.exists(parent)) {
                            Files.createDirectories(parent);
                        }
                        Files.write(dist1, data);
                    } catch (IOException e) {
                        e.printStackTrace(System.err);
                    }
                }
            };
        }
    };
    new ExDex2Asm(exceptionHandler) {

        public void convertCode(DexMethodNode methodNode, MethodVisitor mv) {
            if ((readerConfig & DexFileReader.SKIP_CODE) != 0 && methodNode.method.getName().equals("<clinit>")) {
                // also skip clinit
                return;
            }
            super.convertCode(methodNode, mv);
        }

        @Override
        public void optimize(IrMethod irMethod) {
            T_cleanLabel.transform(irMethod);
            if (0 != (v3Config & V3.TOPOLOGICAL_SORT)) {
            // T_topologicalSort.transform(irMethod);
            }
            T_deadCode.transform(irMethod);
            T_removeLocal.transform(irMethod);
            T_removeConst.transform(irMethod);
            T_zero.transform(irMethod);
            if (T_npe.transformReportChanged(irMethod)) {
                T_deadCode.transform(irMethod);
                T_removeLocal.transform(irMethod);
                T_removeConst.transform(irMethod);
            }
            T_new.transform(irMethod);
            T_fillArray.transform(irMethod);
            T_agg.transform(irMethod);
            T_multiArray.transform(irMethod);
            T_voidInvoke.transform(irMethod);
            if (0 != (v3Config & V3.PRINT_IR)) {
                int i = 0;
                for (Stmt p : irMethod.stmts) {
                    if (p.st == Stmt.ST.LABEL) {
                        LabelStmt labelStmt = (LabelStmt) p;
                        labelStmt.displayName = "L" + i++;
                    }
                }
                System.out.println(irMethod);
            }
            T_type.transform(irMethod);
            T_unssa.transform(irMethod);
            T_ir2jRegAssign.transform(irMethod);
            T_trimEx.transform(irMethod);
        }

        @Override
        public void ir2j(IrMethod irMethod, MethodVisitor mv) {
            new IR2JConverter(0 != (V3.OPTIMIZE_SYNCHRONIZED & v3Config)).convert(irMethod, mv);
        }
    }.convertDex(fileNode, cvf);
}