Java Code Examples for org.objectweb.asm.commons.GeneratorAdapter#invokeStatic()

@SuppressWarnings("unchecked")
public void visitEnd() {
	if (!done && found) {
		done = true;
		try {
			GeneratorAdapter mg = new GeneratorAdapter(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, new Method(LOG_INTERNAL_METHOD, LOG_METHOD_SIGNATURE), LOG_METHOD_SIGNATURE, new Type[] {}, this);

			Label start = mg.mark();
			mg.invokeStatic(LOG_INTERNAL_TYPE, Method.getMethod(LOG_INTERNAL_CLASS.getMethod(LOG_METHOD_NAME)));
			mg.returnValue();
			Label end   = mg.mark();
			mg.catchException(start, end, JAVA_LANG_THROWABLE_TYPE);
			mg.returnValue();
			
			mg.endMethod();
		} catch (NoSuchMethodException nsme) {
			System.err.println("Unable to find Agent.rlogCallChain method");
			System.err.println("M:"+nsme);
			nsme.printStackTrace();
		}
	}
	
	super.visitEnd();
}
 

@SuppressWarnings("unchecked")
public void visitEnd() {
	if (!foundClinit && instrument()) {
		// didn't find <clinit> so lets make one
		try {
			GeneratorAdapter mg = new GeneratorAdapter(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, new Method(CLINIT_NAME, CLINIT_SIGNATURE), CLINIT_SIGNATURE, new Type[] {}, this);
			
			Label start = mg.mark();
			mg.push(className);
			mg.invokeStatic(LOG_INTERNAL_TYPE, Method.getMethod(LOG_INTERNAL_CLASS.getMethod(LOG_METHOD_NAME, String.class)));
			Label end   = mg.mark();
			mg.returnValue();
			
			mg.catchException(start, end, JAVA_LANG_THROWABLE_TYPE);
			mg.returnValue();
			
			mg.endMethod();
		} catch (NoSuchMethodException nsme) {
			System.out.println("Unable to find Agent.reportClass method");
		}
	}
	
	super.visitEnd();
}
 

protected static void trace( GeneratorAdapter mv, int argsNumber) {
    StringBuilder methodSignature = new StringBuilder("void trace(String");
    for (int i = 0; i < argsNumber - 1; i++) {
        methodSignature.append(", String");
    }
    methodSignature.append(")");
    mv.invokeStatic(Type.getObjectType(PACKAGE + "/AndroidInstantRuntime"),
            Method.getMethod(methodSignature.toString()));
}
 

protected static void trace(GeneratorAdapter mv, String s1,
                            String s2) {
    mv.push(s1);
    mv.push(s2);
    mv.invokeStatic(Type.getType(PACKAGE + ".AndroidInstantRuntime"),
            Method.getMethod("void trace(String, String)"));
}
 

protected static void trace(GeneratorAdapter mv, String s1,
                            String s2, String s3) {
    mv.push(s1);
    mv.push(s2);
    mv.push(s3);
    mv.invokeStatic(Type.getType(PACKAGE + ".AndroidInstantRuntime"),
            Method.getMethod("void trace(String, String, String)"));
}
 

protected static void trace(GeneratorAdapter mv, String s1,
                            String s2, String s3, String s4) {
    mv.push(s1);
    mv.push(s2);
    mv.push(s3);
    mv.push(s4);
    mv.invokeStatic(Type.getType(PACKAGE + ".AndroidInstantRuntime"),
            Method.getMethod("void trace(String, String, String, String)"));
}
 

protected static void trace(GeneratorAdapter mv, int argsNumber) {
    StringBuilder methodSignature = new StringBuilder("void trace(String");
    for (int i = 0; i < argsNumber - 1; i++) {
        methodSignature.append(", String");
    }
    methodSignature.append(")");
    mv.invokeStatic(Type.getType(PACKAGE + ".AndroidInstantRuntime"),
            Method.getMethod(methodSignature.toString()));
}
 

private static void storeExceptionResultFromThrowable(GeneratorAdapter mv, int resLocal, int iLocal) {
    int eLocal = mv.newLocal(THROWABLE_TYPE);
    mv.storeLocal(eLocal);
    mv.loadLocal(resLocal);
    mv.loadLocal(iLocal);
    mv.loadLocal(eLocal);
    mv.invokeVirtual(OBJECT_TYPE, OBJECT_GET_CLASS);
    mv.invokeStatic(RESULT_TYPE, RESULT_CREATE_EXCEPTION_RESULT);
    mv.arrayStore(RESULT_TYPE);
}
 

protected static void trace( GeneratorAdapter mv,  String s) {
    mv.push(s);
    mv.invokeStatic(Type.getObjectType(PACKAGE + "/AndroidInstantRuntime"),
            Method.getMethod("void trace(String)"));
}
 

protected static void trace(GeneratorAdapter mv, String s) {
    mv.push(s);
    mv.invokeStatic(Type.getType(PACKAGE + ".AndroidInstantRuntime"),
            Method.getMethod("void trace(String)"));
}
 

private static void generateRun(ClassVisitor cv, Type testType, int iThread, List<Actor> actors, List<Object> objArgs, boolean waitsEnabled) {
    int access = ACC_PUBLIC;
    Method m = new Method("call", RESULT_ARRAY_TYPE, NO_ARGS);
    GeneratorAdapter mv = new GeneratorAdapter(access, m,
        // Try-catch blocks sorting is required
        new TryCatchBlockSorter(cv.visitMethod(access, m.getName(), m.getDescriptor(), null, null),
            access, m.getName(), m.getDescriptor(), null, null)
    );
    mv.visitCode();
    // Create Result[] array and store it to a local variable
    int resLocal = createResultArray(mv, actors.size());
    // Call runner's onStart(iThread) method
    mv.loadThis();
    mv.getField(TEST_THREAD_EXECUTION_TYPE, "runner", RUNNER_TYPE);
    mv.push(iThread);
    mv.invokeVirtual(RUNNER_TYPE, RUNNER_ON_START_METHOD);
    // Number of current operation (starts with 0)
    int iLocal = mv.newLocal(Type.INT_TYPE);
    mv.push(0);
    mv.storeLocal(iLocal);
    // Invoke actors
    for (int i = 0; i < actors.size(); i++) {
        Actor actor = actors.get(i);
        // Add busy-wait before operation execution (for non-first operations only)
        if (waitsEnabled && i > 0) {
            mv.loadThis();
            mv.getField(TEST_THREAD_EXECUTION_TYPE, "waits", INT_ARRAY_TYPE);
            mv.push(i - 1);
            mv.arrayLoad(Type.INT_TYPE);
            mv.invokeStatic(UTILS_TYPE, UTILS_CONSUME_CPU);
        }
        // Start of try-catch block for exceptions which this actor should handle
        Label start, end = null, handler = null, handlerEnd = null;
        if (actor.handlesExceptions()) {
            start = mv.newLabel();
            end = mv.newLabel();
            handler = mv.newLabel();
            handlerEnd = mv.newLabel();
            for (Class<? extends Throwable> ec : actor.handledExceptions)
                mv.visitTryCatchBlock(start, end, handler, Type.getType(ec).getInternalName());
            mv.visitLabel(start);
        }
        // Load result array and index to store the current result
        mv.loadLocal(resLocal);
        mv.push(i);
        // Load test instance
        mv.loadThis();
        mv.getField(TEST_THREAD_EXECUTION_TYPE, "testInstance", OBJECT_TYPE);
        mv.checkCast(testType);
        // Load arguments for operation
        for (int j = 0; j < actor.arguments.length; j++) {
            pushArgumentOnStack(mv, objArgs, actor.arguments[j], actor.method.getParameterTypes()[j]);
        }
        // Invoke operation
        Method actorMethod = Method.getMethod(actor.method);
        mv.invokeVirtual(testType, actorMethod);
        // Create result
        mv.box(actorMethod.getReturnType()); // box if needed
        if (actor.method.getReturnType() == void.class) {
            mv.pop();
            mv.invokeStatic(RESULT_TYPE, RESULT_CREATE_VOID_RESULT);
        } else {
            mv.invokeStatic(RESULT_TYPE, RESULT_CREATE_VALUE_RESULT);
        }
        // Store result to array
        mv.arrayStore(RESULT_TYPE);
        // End of try-catch block
        if (actor.handlesExceptions()) {
            mv.visitLabel(end);
            mv.goTo(handlerEnd);
            mv.visitLabel(handler);
            storeExceptionResultFromThrowable(mv, resLocal, iLocal);
            mv.visitLabel(handlerEnd);
        }
        // Increment number of current operation
        mv.iinc(iLocal, 1);
    }
    // Call runner's onFinish(iThread) method
    mv.loadThis();
    mv.getField(TEST_THREAD_EXECUTION_TYPE, "runner", RUNNER_TYPE);
    mv.push(iThread);
    mv.invokeVirtual(RUNNER_TYPE, RUNNER_ON_FINISH_METHOD);
    // Return results
    mv.loadThis();
    mv.loadLocal(resLocal);
    mv.returnValue();
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}
 

@Override
public Type load(Context ctx) {
	GeneratorAdapter g = ctx.getGeneratorAdapter();

	int resultVar = g.newLocal(INT_TYPE);

	boolean firstIteration = true;

	for (Expression argument : arguments) {
		if (firstIteration) {
			g.push(0);
			firstIteration = false;
		} else {
			g.push(31);
			g.loadLocal(resultVar);
			g.math(IMUL, INT_TYPE);
		}

		Type fieldType = argument.load(ctx);

		if (isPrimitiveType(fieldType)) {
			if (fieldType.getSort() == Type.LONG) {
				g.dup2();
				g.push(32);
				g.visitInsn(LUSHR);
				g.visitInsn(LXOR);
				g.visitInsn(L2I);
			}
			if (fieldType.getSort() == Type.FLOAT) {
				g.invokeStatic(getType(Float.class), getMethod("int floatToRawIntBits (float)"));
			}
			if (fieldType.getSort() == Type.DOUBLE) {
				g.invokeStatic(getType(Double.class), getMethod("long doubleToRawLongBits (double)"));
				g.dup2();
				g.push(32);
				g.visitInsn(LUSHR);
				g.visitInsn(LXOR);
				g.visitInsn(L2I);
			}
			g.visitInsn(IADD);
		} else {
			int tmpVar = g.newLocal(fieldType);
			g.storeLocal(tmpVar);
			g.loadLocal(tmpVar);
			Label ifNullLabel = g.newLabel();
			g.ifNull(ifNullLabel);
			g.loadLocal(tmpVar);
			g.invokeVirtual(fieldType, getMethod("int hashCode()"));
			g.visitInsn(IADD);
			g.mark(ifNullLabel);
		}

		g.storeLocal(resultVar);
	}

	if (firstIteration) {
		g.push(0);
	} else {
		g.loadLocal(resultVar);
	}

	return INT_TYPE;
}
 

@Override
public Type load(Context ctx) {
	GeneratorAdapter g = ctx.getGeneratorAdapter();

	Label labelReturn = new Label();

	for (ComparablePair pair : pairs) {
		Type leftPropertyType = pair.left.load(ctx);
		Type rightPropertyType = pair.right.load(ctx);

		checkArgument(leftPropertyType.equals(rightPropertyType), "Types of compared values should match");
		if (isPrimitiveType(leftPropertyType)) {
			g.invokeStatic(wrap(leftPropertyType), new Method("compare", INT_TYPE, new Type[]{leftPropertyType, leftPropertyType}));
			g.dup();
			g.ifZCmp(NE, labelReturn);
			g.pop();
		} else if (!pair.nullable) {
			g.invokeVirtual(leftPropertyType, new Method("compareTo", INT_TYPE, new Type[]{Type.getType(Object.class)}));
			g.dup();
			g.ifZCmp(NE, labelReturn);
			g.pop();
		} else {
			VarLocal varRight = ctx.newLocal(rightPropertyType);
			varRight.store(ctx);

			VarLocal varLeft = ctx.newLocal(leftPropertyType);
			varLeft.store(ctx);

			Label continueLabel = new Label();
			Label nonNulls = new Label();
			Label leftNonNull = new Label();

			varLeft.load(ctx);
			g.ifNonNull(leftNonNull);

			varRight.load(ctx);
			g.ifNull(continueLabel);
			g.push(-1);
			g.returnValue();

			g.mark(leftNonNull);

			varRight.load(ctx);
			g.ifNonNull(nonNulls);
			g.push(1);
			g.returnValue();

			g.mark(nonNulls);

			varLeft.load(ctx);
			varRight.load(ctx);

			g.invokeVirtual(leftPropertyType, new Method("compareTo", INT_TYPE, new Type[]{Type.getType(Object.class)}));
			g.dup();
			g.ifZCmp(NE, labelReturn);
			g.pop();

			g.mark(continueLabel);
		}
	}

	g.push(0);

	g.mark(labelReturn);

	return INT_TYPE;
}
 

@Override
public Type load(Context ctx) {
	GeneratorAdapter g = ctx.getGeneratorAdapter();

	g.newInstance(getType(StringBuilder.class));
	g.dup();
	g.invokeConstructor(getType(StringBuilder.class), getMethod("void <init> ()"));

	boolean first = true;

	for (Object key : arguments.keySet()) {
		String str = first ? begin : separator;
		first = false;
		if (key instanceof String) {
			str += key;
		}
		if (!str.isEmpty()) {
			g.dup();
			g.push(str);
			g.invokeVirtual(getType(StringBuilder.class), getMethod("StringBuilder append(String)"));
			g.pop();
		}

		g.dup();
		Expression expression = arguments.get(key);
		Type type = expression.load(ctx);
		if (isPrimitiveType(type)) {
			g.invokeStatic(wrap(type), new Method("toString", getType(String.class), new Type[]{type}));
		} else {
			Label nullLabel = new Label();
			Label afterToString = new Label();
			g.dup();
			g.ifNull(nullLabel);
			g.invokeVirtual(type, getMethod("String toString()"));
			g.goTo(afterToString);
			g.mark(nullLabel);
			g.pop();
			g.push("null");
			g.mark(afterToString);
		}
		g.invokeVirtual(getType(StringBuilder.class), getMethod("StringBuilder append(String)"));
		g.pop();
	}

	if (!end.isEmpty()) {
		g.dup();
		g.push(end);
		g.invokeVirtual(getType(StringBuilder.class), getMethod("StringBuilder append(String)"));
		g.pop();
	}

	g.invokeVirtual(getType(StringBuilder.class), getMethod("String toString()"));
	return getType(String.class);
}