Example usage for org.objectweb.asm Opcodes ACC_PUBLIC

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ACC_PUBLIC.

Prototype

int ACC_PUBLIC

To view the source code for org.objectweb.asm Opcodes ACC_PUBLIC.

Click Source Link

Usage

From source file:com.googlecode.gwt.test.internal.rewrite.RewriteSingleJsoImplDispatches.java

License:Apache License

/**
 * For regular Java objects that implement a SingleJsoImpl interface, write instance trampoline
 * dispatchers for mangled method names to the implementing method.
 *///ww  w. jav  a  2s  .  c  om
private void writeTrampoline(String stubIntr) {
    /*
     * This is almost the same kind of trampoline as the ones generated in WriteJsoImpl, however
     * there are enough small differences between the semantics of the dispatches that would make
     * a common implementation far more awkward than the duplication of code.
     */
    for (String mangledName : toImplement(stubIntr)) {
        for (Method method : jsoData.getDeclarations(mangledName)) {

            Method toCall = new Method(method.getName(), method.getDescriptor());

            // Must not be final
            MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, mangledName,
                    method.getDescriptor(), null, null);
            if (mv != null) {
                mv.visitCode();

                /*
                 * It just so happens that the stack and local variable sizes are the same, but
                 * they're kept distinct to aid in clarity should the dispatch logic change.
                 *
                 * These start at 1 because we need to load "this" onto the stack
                 */
                int var = 1;
                int size = 1;

                // load this
                mv.visitVarInsn(Opcodes.ALOAD, 0);

                // then the rest of the arguments
                for (Type t : toCall.getArgumentTypes()) {
                    size += t.getSize();
                    mv.visitVarInsn(t.getOpcode(Opcodes.ILOAD), var);
                    var += t.getSize();
                }

                // Make sure there's enough room for the return value
                size = Math.max(size, toCall.getReturnType().getSize());

                mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, currentTypeName, toCall.getName(),
                        toCall.getDescriptor());
                mv.visitInsn(toCall.getReturnType().getOpcode(Opcodes.IRETURN));
                mv.visitMaxs(size, var);
                mv.visitEnd();
            }
        }
    }
}

---

From source file:com.googlecode.japi.checker.model.JavaItem.java

License:Apache License

public static Scope toScope(int access) {
    if ((access & Opcodes.ACC_PRIVATE) == Opcodes.ACC_PRIVATE) {
        return Scope.PRIVATE;
    } else if ((access & Opcodes.ACC_PROTECTED) == Opcodes.ACC_PROTECTED) {
        return Scope.PROTECTED;
    }/*from w w w  . ja  v  a 2 s. c  o m*/
    if ((access & Opcodes.ACC_PUBLIC) == Opcodes.ACC_PUBLIC) {
        return Scope.PUBLIC;
    } else {
        return Scope.NO_SCOPE;
    }
}

---

From source file:com.googlecode.japi.checker.Utils.java

License:Apache License

public static Scope toScope(int access) {
    if ((access & Opcodes.ACC_PRIVATE) == Opcodes.ACC_PRIVATE) {
        return Scope.PRIVATE;
    } else if ((access & Opcodes.ACC_PROTECTED) == Opcodes.ACC_PROTECTED) {
        return Scope.PROTECTED;
    }//w  w w .j  a  v  a 2s.c o m
    if ((access & Opcodes.ACC_PUBLIC) == Opcodes.ACC_PUBLIC) {
        return Scope.PUBLIC;
    } else {
        return Scope.PACKAGE;
    }
}

---

From source file:com.hea3ven.hardmodetweaks.core.ClassTransformerHardModeTweaks.java

License:Open Source License

private MethodNode createNewGetWorldTimeMethod(String methodName, boolean obfuscated) {
    // > long getWorldTime() {
    // >     return TimeTweaksManager.getWorldTime(this);
    // > }//from  ww  w .  j  av  a 2 s  . co m
    MethodNode getWorldTimeMethod = new MethodNode(Opcodes.ASM4, Opcodes.ACC_PUBLIC, methodName, "()J", null,
            null);
    getWorldTimeMethod.instructions.add(new VarInsnNode(Opcodes.ALOAD, 0));
    getWorldTimeMethod.instructions
            .add(new MethodInsnNode(Opcodes.INVOKESTATIC, "com/hea3ven/hardmodetweaks/TimeTweaksManager",
                    "getWorldTime", "(L" + WORLD_INFO.getPath(obfuscated) + ";)J"));
    getWorldTimeMethod.instructions.add(new InsnNode(Opcodes.LRETURN));
    return getWorldTimeMethod;
}

---

From source file:com.hea3ven.hardmodetweaks.core.ClassTransformerHardModeTweaks.java

License:Open Source License

private MethodNode createNewSetWorldTimeMethod(String methodName, boolean obfuscated) {
    // > void setWorldTime(long time) {
    // >     TimeTweaksManager.setWorldTime(this, time);
    // > }/*  w  w  w.j  a  v a 2s.  c  o m*/
    MethodNode setWorldTimeMethod = new MethodNode(Opcodes.ASM4, Opcodes.ACC_PUBLIC, methodName, "(J)V", null,
            null);
    setWorldTimeMethod.instructions.add(new VarInsnNode(Opcodes.ALOAD, 0));
    setWorldTimeMethod.instructions.add(new VarInsnNode(Opcodes.LLOAD, 1));
    setWorldTimeMethod.instructions
            .add(new MethodInsnNode(Opcodes.INVOKESTATIC, "com/hea3ven/hardmodetweaks/TimeTweaksManager",
                    "setWorldTime", "(L" + WORLD_INFO.getPath(obfuscated) + ";J)V"));
    setWorldTimeMethod.instructions.add(new InsnNode(Opcodes.RETURN));
    return setWorldTimeMethod;
}

---

From source file:com.hea3ven.hardmodetweaks.core.ClassTransformerHardModeTweaks.java

License:Open Source License

private MethodNode createNewCalcCelAngleMethod(String methodName, boolean obfuscated) {
    // > float calculateCelestialAngle(long time, float off) {
    // >     return TimeTweaksManager.calculateCelestialAngle(time, off);
    // > }//from w  w w.j a va 2  s.  c  o m
    MethodNode getWorldTimeMethod = new MethodNode(Opcodes.ASM4, Opcodes.ACC_PUBLIC, methodName, "(JF)F", null,
            null);
    getWorldTimeMethod.instructions.add(new VarInsnNode(Opcodes.LLOAD, 1));
    getWorldTimeMethod.instructions.add(new VarInsnNode(Opcodes.FLOAD, 3));
    getWorldTimeMethod.instructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC,
            "com/hea3ven/hardmodetweaks/TimeTweaksManager", "calculateCelestialAngle", "(JF)F"));
    getWorldTimeMethod.instructions.add(new InsnNode(Opcodes.FRETURN));
    return getWorldTimeMethod;
}

---

From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java

License:Open Source License

/**
 * compile. This method generates the class definition
 *//* www.ja  va2 s  .  c  o  m*/
public byte[] compile(InputStream inputStream, String classname, boolean verboseOutput) throws Exception {
    try {
        /*
         * a message
         */
        logger.info("Parsing input for classname: '" + classname + "'");
        /*
         * get tree
         */
        final ProgContext progContext = parse(inputStream);
        /*
         * print tree
         */
        final TreePrinter treePrinter = new TreePrinter();
        treePrinter.printTree(progContext);
        /*
         * a message
         */
        logger.info("Generating Bytecode for class '" + classname + "'");
        /*
         * class
         */
        final ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
        classWriter.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, classname, null, "java/lang/Object", null);
        /*
         * the execution context
         */
        FieldVisitor fieldVistor = classWriter.visitField(Opcodes.ACC_PUBLIC, RTLHelper.EXECUTIONCONTEXT_NAME,
                RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT_TYPE, null, null);
        fieldVistor.visitEnd();
        /*
         * input stream
         */
        fieldVistor = classWriter.visitField(Opcodes.ACC_PUBLIC, "inputStream", "Ljava/io/InputStream;", null,
                null);
        fieldVistor.visitEnd();
        /*
         * output stream
         */
        fieldVistor = classWriter.visitField(Opcodes.ACC_PUBLIC, "outputStream", "Ljava/io/PrintStream;", null,
                null);
        fieldVistor.visitEnd();
        /*
         * init method
         */
        generateInit(classname, classWriter);
        /*
         * main()
         */
        generateMain(classname, classWriter);
        /*
         * program
         */
        generateProgram(classname, classWriter, progContext);
        /*
         * generate the class
         */
        classWriter.visitEnd();
        return classWriter.toByteArray();
    } catch (final Exception e) {
        throw new Exception("Exception in compile", e);
    }
}

---

From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java

License:Open Source License

/**
 * generate init./*from w ww.  j  a  v  a 2s  .c  om*/
 * <p>
 * This inits the class members and assigns class members, such as the ExecutionContext.
 * </p>
 * <p>
 * <code>
 * public ExecutionContext executionContext = new ExecutionContext();
 * </code>
 * </p>
 */
protected void generateInit(String className, ClassWriter classWriter) throws Exception {
    try {
        final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null,
                null);
        methodVisitor.visitCode();
        /*
         * call init()
         */
        final Label l0 = new Label();
        methodVisitor.visitLabel(l0);
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 0);
        methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        /*
         * create a new execution context and assign it
         */
        final Label l1 = new Label();
        methodVisitor.visitLabel(l1);
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 0);
        methodVisitor.visitTypeInsn(Opcodes.NEW, RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT);
        methodVisitor.visitInsn(Opcodes.DUP);
        methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT, "<init>",
                "()V");
        methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, className, RTLHelper.EXECUTIONCONTEXT_NAME,
                RTLHelper.JASIC_RUNTIME_EXECUTIONCONTEXT_TYPE);
        /*
         * return
         */
        final Label l2 = new Label();
        methodVisitor.visitLabel(l2);
        methodVisitor.visitLineNumber(8, l2);
        methodVisitor.visitInsn(Opcodes.RETURN);
        /*
         * declare variables
         */
        final Label l3 = new Label();
        methodVisitor.visitLabel(l3);
        methodVisitor.visitLocalVariable("this", "L" + className + ";", null, l0, l3, 0);
        methodVisitor.visitMaxs(3, 1);
        methodVisitor.visitEnd();
    } catch (final Exception e) {
        throw new Exception("Exception in generateInit", e);
    }
}

---

From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java

License:Open Source License

/**
 * generate void main(String[])//ww  w .  j  a va2s  .  c  om
 * <p>
 * <code>
 * public static void main(String[] args) {
 *   ExampleProgram exampleProgram = new ExampleProgram();
 *  try {
 *       exampleProgram.inputStream = System.in;
 *       exampleProgram.outputStream = System.out;
 *       exampleProgram.program();
 *   } catch (Exception e) {
 *       e.printStackTrace();
 *    }
 *  }
 * </code>
 * </p>
 */
protected void generateMain(String classname, ClassWriter classWriter) throws Exception {
    try {
        /*
         * make method
         */
        final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC,
                "main", "([Ljava/lang/String;)V", null, null);
        methodVisitor.visitCode();
        final Label l0 = new Label();
        final Label l1 = new Label();
        final Label l2 = new Label();
        methodVisitor.visitTryCatchBlock(l0, l1, l2, "java/lang/Exception");
        final Label l3 = new Label();
        methodVisitor.visitLabel(l3);
        /*
         * declare a local instance of the class in the void() main, store as variable 1.
         */
        methodVisitor.visitTypeInsn(Opcodes.NEW, classname);
        methodVisitor.visitInsn(Opcodes.DUP);
        methodVisitor.visitMethodInsn(Opcodes.INVOKESPECIAL, classname, "<init>", "()V");
        methodVisitor.visitVarInsn(Opcodes.ASTORE, 1);
        /*
         * assign the input stream
         */
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 1);
        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "in", "Ljava/io/InputStream;");
        methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, classname, "inputStream", "Ljava/io/InputStream;");
        /*
         * assign the output stream
         */
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 1);
        methodVisitor.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        methodVisitor.visitFieldInsn(Opcodes.PUTFIELD, classname, "outputStream", "Ljava/io/PrintStream;");
        /*
         * load the class instance from variable 1 and call "program"
         */
        methodVisitor.visitLabel(l0);
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 1);
        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, classname, "program", "()V");
        methodVisitor.visitLabel(l1);
        final Label l4 = new Label();
        methodVisitor.visitJumpInsn(Opcodes.GOTO, l4);
        methodVisitor.visitLabel(l2);
        methodVisitor.visitFrame(Opcodes.F_FULL, 2, new Object[] { "[Ljava/lang/String;", classname }, 1,
                new Object[] { "java/lang/Exception" });
        methodVisitor.visitVarInsn(Opcodes.ASTORE, 2);
        final Label l5 = new Label();
        methodVisitor.visitLabel(l5);
        methodVisitor.visitLineNumber(21, l5);
        methodVisitor.visitVarInsn(Opcodes.ALOAD, 2);
        methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Exception", "printStackTrace", "()V");
        /*
         * return
         */
        methodVisitor.visitLabel(l4);
        methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
        methodVisitor.visitInsn(Opcodes.RETURN);
        /*
         * declare the parameters
         */
        final Label l6 = new Label();
        methodVisitor.visitLabel(l6);
        methodVisitor.visitLocalVariable("args", "[Ljava/lang/String;", null, l3, l6, 0);
        methodVisitor.visitLocalVariable("exampleProgram", "L" + classname + ";", null, l0, l6, 1);
        methodVisitor.visitLocalVariable("e", "Ljava/lang/Exception;", null, l5, l4, 2);
        /*
         * done
         */
        methodVisitor.visitMaxs(2, 3);
        methodVisitor.visitEnd();
    } catch (final Exception e) {
        throw new Exception("Exception in generateMain", e);
    }
}

---

From source file:com.khubla.jvmbasic.jvmbasicc.JVMBasicCompiler.java

License:Open Source License

/**
 * Generate program/* w  w w.j av  a2 s .  c om*/
 * <p>
 * Java prototype is "public program()"
 * </p>
 */
protected void generateProgram(String classname, ClassWriter classWriter, ProgContext progContext)
        throws Exception {
    try {
        final MethodVisitor methodVisitor = classWriter.visitMethod(Opcodes.ACC_PUBLIC, "program", "()V", null,
                new String[] { "java/lang/Exception" });
        methodVisitor.visitCode();
        /*
         * label for the start of the method
         */
        final Label l0 = new Label();
        methodVisitor.visitLabel(l0);
        /*
         * do the static analysis
         */
        final StaticAnalysis programStaticAnalysis = new StaticAnalysis();
        programStaticAnalysis.performStaticAnalysis(progContext);
        /*
         * show the static analysis
         */
        logger.info("Static analyis results for '" + classname + "'");
        programStaticAnalysis.showAnalysisResults();
        /*
         * recurse into the parse tree
         */
        final Function function = new progRule();
        final GenerationContext generationContext = new GenerationContext(classname, methodVisitor, classWriter,
                progContext, programStaticAnalysis);
        function.execute(generationContext);
        /*
         * return
         */
        final Label l1 = new Label();
        methodVisitor.visitLabel(l1);
        methodVisitor.visitInsn(Opcodes.RETURN);
        /*
         * declare the *this* local variable
         */
        final Label l2 = new Label();
        methodVisitor.visitLabel(l2);
        methodVisitor.visitLocalVariable("this", "L" + classname + ";", null, l0, l2, 0);
        /*
         * show all the other local variables
         */
        logger.info("JVM local variables");
        for (int i = 1; i < (GenerationContext.getLocalvariables().size() + 1); i++) {
            final LocalVariableDeclaration lvd = GenerationContext.getLocalvariables().get(i);
            logger.info("variable: " + lvd.getName() + " declared on line: " + lvd.getBasicLine()
                    + " frame index: " + lvd.getIndex());
        }
        /*
         * we are done
         */
        methodVisitor.visitMaxs(0, 1);
        methodVisitor.visitEnd();
    } catch (final Exception e) {
        throw new Exception("Exception in generateProgram", e);
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »