Examples with IrMethod com.googlecode.dex2jar.ir.IrMethod used on opensource projects

Example 11 with IrMethod

use of com.googlecode.dex2jar.ir.IrMethod in project dex2jar by pxb1988.

the class BaseTransformerTest method setup.

@Before
public void setup() {
    method = new IrMethod();
    method.owner = "La/Clz;";
    method.name = "call";
    method.ret = "V";
    method.isStatic = true;
    method.args = new String[0];
    stmts = method.stmts;
    locals = method.locals;
}

Example 12 with IrMethod

use of com.googlecode.dex2jar.ir.IrMethod in project dex2jar by pxb1988.

the class ConstTransformerTest method test02.

@Test
public void test02() {
    // test local loop
    IrMethod jm = new IrMethod();
    Local a = nLocal("a");
    Local p = nLocal("p");
    Local q = nLocal("q");
    jm.locals.add(a);
    jm.locals.add(p);
    jm.locals.add(q);
    jm.stmts.add(nAssign(a, nString("a String")));
    jm.stmts.add(nAssign(p, Exprs.nPhi(a, q)));
    jm.stmts.add(nAssign(q, Exprs.nPhi(p)));
    UnopStmt retStmt = nReturn(q);
    jm.stmts.add(retStmt);
    new ConstTransformer().transform(jm);
    Assert.assertTrue(jm.locals.size() == 3);
    Assert.assertTrue(jm.stmts.getSize() == 4);
    Assert.assertEquals("a String", ((Constant) retStmt.op.trim()).value);
}

Example 13 with IrMethod

use of com.googlecode.dex2jar.ir.IrMethod in project dex2jar by pxb1988.

the class ConstTransformerTest method test03.

@Test
public void test03() {
    // test local loop
    IrMethod jm = new IrMethod();
    Local a = nLocal("a");
    Local b = nLocal("b");
    Local p = nLocal("p");
    jm.locals.add(a);
    jm.locals.add(b);
    jm.locals.add(p);
    jm.stmts.add(nAssign(a, nString("a String")));
    jm.stmts.add(nAssign(b, nString("b String")));
    jm.stmts.add(nAssign(p, Exprs.nPhi(a, b)));
    UnopStmt retStmt = nReturn(p);
    jm.stmts.add(retStmt);
    new ConstTransformer().transform(jm);
    Assert.assertTrue(jm.locals.size() == 3);
    Assert.assertTrue(jm.stmts.getSize() == 4);
    Assert.assertEquals(p, retStmt.op.trim());
}

Example 14 with IrMethod

use of com.googlecode.dex2jar.ir.IrMethod 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);
}