Example usage for org.objectweb.asm MethodVisitor visitInsn

Introduction

In this page you can find the example usage for org.objectweb.asm MethodVisitor visitInsn.

Prototype

public void visitInsn(final int opcode)

Source Link

Document

Visits a zero operand instruction.

Usage

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.Type.java

License:Open Source License

/**
 * Superclass logic for pop for all types
 *
 * @param method method emitter/*from   www. jav a2 s. co m*/
 * @param type   type to pop
 */
protected static void pop(final MethodVisitor method, final Type type) {
    method.visitInsn(type.isCategory2() ? POP2 : POP);
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.Type.java

License:Open Source License

private static Type dup(final MethodVisitor method, final Type type, final int depth) {
    final boolean cat2 = type.isCategory2();

    switch (depth) {
    case 0://  w  ww  .  ja v a2  s.c  o  m
        method.visitInsn(cat2 ? DUP2 : DUP);
        break;
    case 1:
        method.visitInsn(cat2 ? DUP2_X1 : DUP_X1);
        break;
    case 2:
        method.visitInsn(cat2 ? DUP2_X2 : DUP_X2);
        break;
    default:
        return null; //invalid depth
    }

    return type;
}

From source file:com.gargoylesoftware.js.nashorn.internal.codegen.types.Type.java

License:Open Source License

private static void swap(final MethodVisitor method, final Type above, final Type below) {
    if (below.isCategory2()) {
        if (above.isCategory2()) {
            method.visitInsn(DUP2_X2);
            method.visitInsn(POP2);//from www .j  a va2 s  . c o m
        } else {
            method.visitInsn(DUP_X2);
            method.visitInsn(POP);
        }
    } else {
        if (above.isCategory2()) {
            method.visitInsn(DUP2_X1);
            method.visitInsn(POP2);
        } else {
            method.visitInsn(SWAP);
        }
    }
}

From source file:com.gargoylesoftware.js.nashorn.internal.tools.nasgen.ScriptClassInstrumentor.java

License:Open Source License

private void emitStaticInitializer() {
    final String className = scriptClassInfo.getJavaName();
    if (!staticInitFound) {
        // no user written <clinit> and so create one
        final MethodVisitor mv = ClassGenerator.makeStaticInitializer(this);
        mv.visitCode();/*w  ww  . ja  va 2s .  com*/
        mv.visitInsn(RETURN);
        mv.visitMaxs(Short.MAX_VALUE, 0);
        mv.visitEnd();
    }
    // Now generate $clinit$
    final MethodGenerator mi = ClassGenerator.makeStaticInitializer(this, $CLINIT$);
    ClassGenerator.emitStaticInitPrefix(mi, className, memberCount);
    if (memberCount > 0) {
        for (final MemberInfo memInfo : scriptClassInfo.getMembers()) {
            if (memInfo.isInstanceProperty() || memInfo.isInstanceFunction()) {
                ClassGenerator.linkerAddGetterSetter(mi, className, memInfo);
            } else if (memInfo.isInstanceGetter()) {
                final MemberInfo setter = scriptClassInfo.findSetter(memInfo);
                ClassGenerator.linkerAddGetterSetter(mi, className, memInfo, setter);
            }
        }
    }
    ClassGenerator.emitStaticInitSuffix(mi, className);
}

From source file:com.gargoylesoftware.js.nashorn.internal.tools.nasgen.ScriptClassJavaInstrumentor.java

License:Open Source License

private void emitStaticInitializer() {
    final String className = scriptClassInfo.getJavaName();
    if (!staticInitFound) {
        // no user written <clinit> and so create one
        final MethodVisitor mv = ClassJavaGenerator.makeStaticInitializer(this);
        mv.visitCode();/*from  w  w w .  j av a 2 s  .co m*/
        mv.visitInsn(RETURN);
        mv.visitMaxs(Short.MAX_VALUE, 0);
        mv.visitEnd();
    }
    // Now generate $clinit$
    final MethodGenerator mi = ClassJavaGenerator.makeStaticInitializer(this, $CLINIT$);
    ClassJavaGenerator.emitStaticInitPrefix(mi, className, memberCount);
    if (memberCount > 0) {
        for (final MemberInfo memInfo : scriptClassInfo.getMembers()) {
            if (memInfo.isInstanceProperty() || memInfo.isInstanceFunction()) {
                ClassJavaGenerator.linkerAddGetterSetter(mi, className, memInfo);
            } else if (memInfo.isInstanceGetter()) {
                final MemberInfo setter = scriptClassInfo.findSetter(memInfo);
                ClassJavaGenerator.linkerAddGetterSetter(mi, className, memInfo, setter);
            }
        }
    }
    ClassJavaGenerator.emitStaticInitSuffix(mi, className);
}

From source file:com.github.bmsantos.core.cola.injector.ErrorsClassVisitor.java

License:Apache License

private void injectTestMethod() {

    final MethodVisitor mv = classVisitor.visitMethod(ACC_PUBLIC, METHOD_NAME, "()V", null, null);
    mv.visitCode();/*from  w  ww  .j av a2 s.co  m*/
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(errors);
    mv.visitMethodInsn(INVOKESTATIC, "org/junit/Assert", "fail", "(Ljava/lang/String;)V", false);
    mv.visitInsn(RETURN);
    mv.visitAnnotation("Lorg/junit/Test;", true);
    mv.visitEnd();
    mv.visitMaxs(0, 0);
}

From source file:com.github.bmsantos.core.cola.injector.InjectorClassVisitor.java

License:Apache License

private void injectTestMethod(final String feature, final String scenario, final String story,
        final String projectionValues, final String reports) {

    final MethodVisitor mv = infoClassVisitor.visitMethod(ACC_PUBLIC,
            String.format(METHOD_NAME_FORMAT, feature, scenario), "()V", null, null);
    mv.visitCode();/*from w w  w  .  ja va2 s  .  c om*/
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(feature);
    mv.visitLdcInsn(scenario);
    mv.visitLdcInsn(story);
    mv.visitLdcInsn(projectionValues);
    mv.visitLdcInsn(reports);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESTATIC, "com/github/bmsantos/core/cola/story/processor/StoryProcessor", "process",
            "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/Object;)V",
            false);
    mv.visitInsn(RETURN);
    mv.visitAnnotation("Lorg/junit/Test;", true);
    mv.visitEnd();
    mv.visitMaxs(0, 0);
}

From source file:com.github.bmsantos.core.cola.injector.InjectorClassVisitor.java

License:Apache License

private void injectIgnoreMethod(final String feature, final String scenario) {
    final MethodVisitor mv = infoClassVisitor.visitMethod(ACC_PUBLIC,
            String.format(IGNORED_METHOD_NAME_FORMAT, feature, scenario), "()V", null, null);
    mv.visitCode();/*from   ww w  .  ja va  2s.  c  om*/
    mv.visitVarInsn(ALOAD, 0);
    mv.visitLdcInsn(feature);
    mv.visitLdcInsn(scenario);
    mv.visitMethodInsn(INVOKESTATIC, "com/github/bmsantos/core/cola/story/processor/StoryProcessor", "ignore",
            "(Ljava/lang/String;Ljava/lang/String;)V", false);
    mv.visitInsn(RETURN);
    mv.visitAnnotation("Lorg/junit/Test;", true);
    mv.visitEnd();
    mv.visitMaxs(0, 0);
}

From source file:com.github.fge.grappa.transform.generate.ActionClassGenerator.java

License:Apache License

@Override
protected void generateMethod(InstructionGroup group, ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "run", CodegenUtils.sig(boolean.class, Context.class), null,
            null);/*from ww  w  .  j a v  a 2  s  .  c o  m*/

    insertSetContextCalls(group, 1);
    convertXLoads(group);

    group.getInstructions().accept(mv);

    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0); // trigger automatic computing
}

From source file:com.github.fge.grappa.transform.generate.VarInitClassGenerator.java

License:Apache License

@Override
protected void generateMethod(InstructionGroup group, ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "get", CodegenUtils.sig(Object.class), null, null);
    convertXLoads(group);/*from   w  w  w.j a  va 2 s  .co m*/
    group.getInstructions().accept(mv);

    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0); // trigger automatic computing
}