Examples of org.objectweb.asm.Label

org.objectweb.asm.Label
A label represents a position in the bytecode of a method. Labels are used for jump, goto, and switch instructions, and for try catch blocks. @author Eric Bruneton


    public void isConstantDefined(String name, BranchCallback trueBranch, BranchCallback falseBranch) {
        loadThreadContext();
        method.ldc(name);
        invokeThreadContext("getConstantDefined", sig(boolean.class, params(String.class)));
        Label falseLabel = new Label();
        Label exitLabel = new Label();
        method.ifeq(falseLabel); // EQ == 0 (i.e. false)
        trueBranch.branch(this);
        method.go_to(exitLabel);
        method.label(falseLabel);
        falseBranch.branch(this);

View Full Code Here

        loadSelf();
        invokeIRubyObject("getInstanceVariables", sig(InstanceVariables.class));
        method.ldc(name);
        //method.invokeinterface(p(IRubyObject.class), "getInstanceVariable", sig(IRubyObject.class, params(String.class)));
        method.invokeinterface(p(InstanceVariables.class), "fastHasInstanceVariable", sig(boolean.class, params(String.class)));
        Label trueLabel = new Label();
        Label exitLabel = new Label();
        //method.ifnonnull(trueLabel);
        method.ifne(trueLabel);
        falseBranch.branch(this);
        method.go_to(exitLabel);
        method.label(trueLabel);

View Full Code Here

    }


    public void isClassVarDefined(String name, BranchCallback trueBranch, BranchCallback falseBranch) {
        method.ldc(name);
        method.invokevirtual(p(RubyModule.class), "fastIsClassVarDefined", sig(boolean.class, params(String.class)));
        Label trueLabel = new Label();
        Label exitLabel = new Label();
        method.ifne(trueLabel);
        falseBranch.branch(this);
        method.go_to(exitLabel);
        method.label(trueLabel);
        trueBranch.branch(this);

View Full Code Here

        trueBranch.branch(this);
        method.label(exitLabel);
    }


    public Object getNewEnding() {
        return new Label();
    }

View Full Code Here

        return new Label();
    }


    public void isNil(BranchCallback trueBranch, BranchCallback falseBranch) {
        method.invokeinterface(p(IRubyObject.class), "isNil", sig(boolean.class));
        Label falseLabel = new Label();
        Label exitLabel = new Label();
        method.ifeq(falseLabel); // EQ == 0 (i.e. false)
        trueBranch.branch(this);
        method.go_to(exitLabel);
        method.label(falseLabel);
        falseBranch.branch(this);

View Full Code Here

        falseBranch.branch(this);
        method.label(exitLabel);
    }


    public void isNull(BranchCallback trueBranch, BranchCallback falseBranch) {
        Label falseLabel = new Label();
        Label exitLabel = new Label();
        method.ifnonnull(falseLabel);
        trueBranch.branch(this);
        method.go_to(exitLabel);
        method.label(falseLabel);
        falseBranch.branch(this);

View Full Code Here

            public void branch(BodyCompiler context) {
                setup.branch(BaseBodyCompiler.this);
                method.dup(); //[C,C]
                method.instance_of(p(RubyModule.class)); //[C, boolean]


                Label falseJmp = new Label();
                Label afterJmp = new Label();
                Label nextJmp = new Label();
                Label nextJmpPop = new Label();


                method.ifeq(nextJmp); // EQ == 0 (i.e. false)   //[C]
                method.visitTypeInsn(CHECKCAST, p(RubyModule.class));
                method.dup(); //[C, C]
                method.ldc(name); //[C, C, String]

View Full Code Here

        method.invokevirtual(p(DynamicMethod.class), "getVisibility", sig(Visibility.class));
    }


    public void isPrivate(Object gotoToken, int toConsume) {
        method.getstatic(p(Visibility.class), "PRIVATE", ci(Visibility.class));
        Label temp = new Label();
        method.if_acmpne(temp);
        while ((toConsume--) > 0) {
            method.pop();
        }
        method.go_to((Label) gotoToken);

View Full Code Here

        method.label(temp);
    }


    public void isNotProtected(Object gotoToken, int toConsume) {
        method.getstatic(p(Visibility.class), "PROTECTED", ci(Visibility.class));
        Label temp = new Label();
        method.if_acmpeq(temp);
        while ((toConsume--) > 0) {
            method.pop();
        }
        method.go_to((Label) gotoToken);

View Full Code Here

    }


    public void notIsModuleAndClassVarDefined(String name, Object gotoToken) {
        method.dup(); //[?, ?]
        method.instance_of(p(RubyModule.class)); //[?, boolean]
        Label falsePopJmp = new Label();
        Label successJmp = new Label();
        method.ifeq(falsePopJmp);


        method.visitTypeInsn(CHECKCAST, p(RubyModule.class)); //[RubyModule]
        method.ldc(name); //[RubyModule, String]

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.objectweb.asm.Label

cn.wensiqun.asmsupport.block.control.Catch

cn.wensiqun.asmsupport.block.Synchronized

co.cask.cdap.internal.io.DatumWriterGenerator

co.cask.cdap.internal.io.FieldAccessorGenerator

com.artemis.weaver.AccessorGenerator

com.artemis.weaver.packed.PackedStubs

com.esotericsoftware.reflectasm.FieldAccess

com.floreysoft.jmte.template.DynamicBytecodeCompiler

com.google.test.metric.method.BlockDecomposerTest

de.scoopgmbh.copper.instrument.ScottyMethodAdapter

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.