Java Code Examples for jdk.internal.org.objectweb.asm.commons.InstructionAdapter#pop()

The following examples show how to use jdk.internal.org.objectweb.asm.commons.InstructionAdapter#pop() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
private static void convertReturnValue(final InstructionAdapter mv, final Class<?> origReturnType) {
    if (origReturnType == void.class) {
        mv.pop();
    } else if (origReturnType == Object.class) {
        // Must hide ConsString (and potentially other internal Nashorn types) from callers
        EXPORT_RETURN_VALUE.invoke(mv);
    } else if (origReturnType == byte.class) {
        mv.visitInsn(I2B);
    } else if (origReturnType == short.class) {
        mv.visitInsn(I2S);
    } else if (origReturnType == float.class) {
        mv.visitInsn(D2F);
    } else if (origReturnType == char.class) {
        TO_CHAR_PRIMITIVE.invoke(mv);
    }
}
Example 2
Source File: JavaAdapterBytecodeGenerator.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 3
Source File: JavaAdapterBytecodeGenerator.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 4
Source File: JavaAdapterBytecodeGenerator.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 5
Source File: JavaAdapterBytecodeGenerator.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 6
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 7
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 8
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 9
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 10
Source File: JavaAdapterBytecodeGenerator.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 11
Source File: JavaAdapterBytecodeGenerator.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 12
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR); // check against null Context
    mv.pop();
}
Example 13
Source File: JavaAdapterBytecodeGenerator.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR); // check against null Context
    mv.pop();
}
Example 14
Source File: JavaAdapterBytecodeGenerator.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR, false); // check against null Context
    mv.pop();
}
Example 15
Source File: JavaAdapterBytecodeGenerator.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
private void convertReturnValue(final InstructionAdapter mv, final Class<?> returnType, final Type asmReturnType) {
    switch(asmReturnType.getSort()) {
    case Type.VOID:
        mv.pop();
        break;
    case Type.BOOLEAN:
        JSType.TO_BOOLEAN.invoke(mv);
        break;
    case Type.BYTE:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2B);
        break;
    case Type.SHORT:
        JSType.TO_INT32.invoke(mv);
        mv.visitInsn(Opcodes.I2S);
        break;
    case Type.CHAR:
        // JSType doesn't have a TO_CHAR, so we have services supply us one.
        mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toCharPrimitive", TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR, false);
        break;
    case Type.INT:
        JSType.TO_INT32.invoke(mv);
        break;
    case Type.LONG:
        JSType.TO_LONG.invoke(mv);
        break;
    case Type.FLOAT:
        JSType.TO_NUMBER.invoke(mv);
        mv.visitInsn(Opcodes.D2F);
        break;
    case Type.DOUBLE:
        JSType.TO_NUMBER.invoke(mv);
        break;
    default:
        if(asmReturnType.equals(OBJECT_TYPE)) {
            // Must hide ConsString (and potentially other internal Nashorn types) from callers
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "exportReturnValue", EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR, false);
        } else if(asmReturnType.equals(STRING_TYPE)){
            // Well-known conversion to String. Not using the JSType one as we want to preserve null as null instead
            // of the string "n,u,l,l".
            mv.invokestatic(SERVICES_CLASS_TYPE_NAME, "toString", TO_STRING_METHOD_DESCRIPTOR, false);
        } else {
            // Invoke converter method handle for everything else. Note that we could have just added an asType or
            // filterReturnValue to the invoked handle instead, but then every instance would have the function
            // method handle wrapped in a separate converter method handle, making handle.invokeExact() megamorphic.
            if(classOverride) {
                mv.getstatic(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            } else {
                mv.visitVarInsn(ALOAD, 0);
                mv.getfield(generatedClassName, converterFields.get(returnType), METHOD_HANDLE_TYPE_DESCRIPTOR);
            }
            mv.swap();
            emitInvokeExact(mv, MethodType.methodType(returnType, Object.class));
        }
    }
}
Example 16
Source File: JavaAdapterBytecodeGenerator.java    From nashorn with GNU General Public License v2.0 4 votes vote down vote up 
private static void invokeGetGlobalWithNullCheck(final InstructionAdapter mv) {
    invokeGetGlobal(mv);
    mv.dup();
    mv.invokevirtual(OBJECT_TYPE_NAME, "getClass", GET_CLASS_METHOD_DESCRIPTOR); // check against null Context
    mv.pop();
}