private static boolean generateParameterJava(
PrintWriter writer,
VariableElement param,
TypeInfo type_info,
boolean native_stub,
final boolean printTypes,
boolean first_parameter,
Mode mode) {
Class buffer_type = Utils.getNIOBufferType(param.asType());
if (!first_parameter) {
writer.print(", ");
}
BufferObject bo_annotation = param.getAnnotation(BufferObject.class);
if (bo_annotation != null && mode == Mode.BUFFEROBJECT) {
if (buffer_type == null) {
throw new RuntimeException(
"type of "
+ param
+ " is not a nio Buffer parameter but is annotated as buffer object");
}
if (printTypes) {
writer.print("long ");
}
writer.print(param.getSimpleName() + Utils.BUFFER_OBJECT_PARAMETER_POSTFIX);
} else {
if (native_stub && param.getAnnotation(PointerWrapper.class) != null) {
writer.print("long ");
} else {
Class type = type_info.getType();
if (native_stub
&& (type == CharSequence.class
|| type == CharSequence[].class
|| type == PointerBuffer.class
|| Buffer.class.isAssignableFrom(type))) {
writer.print("long ");
} else if (printTypes) {
writer.print(type.getSimpleName() + " ");
}
}
AutoSize auto_size_annotation = param.getAnnotation(AutoSize.class);
if (auto_size_annotation != null) {
writer.print(auto_size_annotation.value() + "_");
}
writer.print(param.getSimpleName());
}
return false;
}
private static void printParameterChecks(
PrintWriter writer,
ExecutableElement method,
Map<VariableElement, TypeInfo> typeinfos,
Mode mode,
final boolean generate_error_checks) {
if (mode == Mode.NORMAL) {
final GenerateAutos gen_autos_annotation = method.getAnnotation(GenerateAutos.class);
if (gen_autos_annotation != null && gen_autos_annotation.sizeVariables().length > 0) {
// For the auto-generated parameters, declare and init a size variable (that can be reused
// by @Code)
for (final VariableElement param : method.getParameters()) {
if (Arrays.binarySearch(
gen_autos_annotation.sizeVariables(), param.getSimpleName().toString())
>= 0) {
final int shifting = getBufferElementSizeExponent(typeinfos.get(param).getType());
final Check check_annotation = param.getAnnotation(Check.class);
writer.print("\t\tlong " + param.getSimpleName() + "_size = ");
if (check_annotation == null || !check_annotation.canBeNull()) {
writer.println(param.getSimpleName() + ".remaining() << " + shifting + ";");
} else {
writer.println(
param.getSimpleName()
+ " == null ? 0 : "
+ param.getSimpleName()
+ ".remaining() << "
+ shifting
+ ";");
}
}
}
}
}
for (VariableElement param : method.getParameters()) {
Class java_type = Utils.getJavaType(param.asType());
if (java_type.isArray()
|| (Utils.isAddressableType(java_type)
&& (mode != Mode.BUFFEROBJECT || param.getAnnotation(BufferObject.class) == null)
&& (mode != Mode.AUTOS || getAutoTypeParameter(method, param) == null)
&& param.getAnnotation(Result.class) == null
&& !Utils.isReturnParameter(method, param))) {
String check_value = null;
boolean can_be_null = false;
Check check_annotation = param.getAnnotation(Check.class);
if (check_annotation != null) {
check_value = check_annotation.value();
can_be_null = check_annotation.canBeNull();
}
if ((Buffer.class.isAssignableFrom(java_type)
|| PointerBuffer.class.isAssignableFrom(java_type))
&& param.getAnnotation(Constant.class) == null) {
TypeInfo typeinfo = typeinfos.get(param);
printParameterCheck(
writer,
method,
param.getSimpleName().toString(),
typeinfo.getType().getSimpleName(),
check_value,
can_be_null,
param.getAnnotation(NullTerminated.class),
generate_error_checks);
} else if (String.class.equals(java_type)) {
if (!can_be_null) {
writer.println("\t\tBufferChecks.checkNotNull(" + param.getSimpleName() + ");");
}
} else if (java_type.isArray()) {
printArrayParameterCheck(
writer, param.getSimpleName().toString(), check_value, can_be_null);
}
}
}
if (method.getAnnotation(CachedResult.class) != null) {
printParameterCheck(
writer, method, Utils.CACHED_BUFFER_NAME, null, null, true, null, generate_error_checks);
}
}
private static boolean printMethodCallArgument(
PrintWriter writer,
ExecutableElement method,
VariableElement param,
Map<VariableElement, TypeInfo> typeinfos_instance,
Mode mode,
boolean first_parameter,
TypeMap type_map) {
if (!first_parameter) {
writer.print(", ");
}
AnnotationMirror auto_annotation = Utils.getParameterAutoAnnotation(param);
Constant constant_annotation = param.getAnnotation(Constant.class);
if (constant_annotation != null) {
writer.print(constant_annotation.value());
} else if (auto_annotation != null && mode == Mode.NORMAL) {
Class param_type = NativeTypeTranslator.getClassFromType(auto_annotation.getAnnotationType());
if (AutoType.class.equals(param_type)) {
final AutoType auto_type_annotation = param.getAnnotation(AutoType.class);
final VariableElement auto_parameter =
Utils.findParameter(method, auto_type_annotation.value());
final String auto_type = typeinfos_instance.get(auto_parameter).getAutoType();
if (auto_type == null) {
throw new RuntimeException(
"No auto type for parameter " + param.getSimpleName() + " in method " + method);
}
writer.print(auto_type);
} else if (AutoSize.class.equals(param_type)) {
final AutoSize auto_size_annotation = param.getAnnotation(AutoSize.class);
if (!auto_size_annotation.useExpression()) {
final String auto_parameter_name = auto_size_annotation.value();
final VariableElement auto_target_param =
Utils.findParameter(method, auto_parameter_name);
final TypeInfo auto_target_type_info = typeinfos_instance.get(auto_target_param);
final boolean shift_remaining =
!hasAnyParameterAutoTypeAnnotation(method, auto_target_param)
&& Utils.isParameterMultiTyped(auto_target_param);
int shifting = 0;
if (shift_remaining) {
shifting = getBufferElementSizeExponent(auto_target_type_info.getType());
if (shifting > 0) {
writer.print("(");
}
}
if (auto_size_annotation.canBeNull()) {
writer.print(
"("
+ auto_parameter_name
+ " == null ? 0 : "
+ auto_parameter_name
+ ".remaining())");
} else {
writer.print(auto_parameter_name + ".remaining()");
}
// Shift the remaining if the target parameter is multityped and there's no AutoType to
// track type
if (shift_remaining && shifting > 0) {
writer.print(" << " + shifting);
writer.print(")");
}
}
writer.print(auto_size_annotation.expression());
} else {
throw new RuntimeException("Unknown auto annotation " + param_type);
}
} else {
if (mode == Mode.BUFFEROBJECT && param.getAnnotation(BufferObject.class) != null) {
writer.print(param.getSimpleName() + Utils.BUFFER_OBJECT_PARAMETER_POSTFIX);
} else {
Class type = typeinfos_instance.get(param).getType();
Check check_annotation = param.getAnnotation(Check.class);
boolean hide_buffer = mode == Mode.AUTOS && getAutoTypeParameter(method, param) != null;
if (hide_buffer) {
writer.print("0L");
} else {
if (type == CharSequence.class || type == CharSequence[].class) {
final String offset = Utils.getStringOffset(method, param);
writer.print("APIUtil.getBuffer");
if (param.getAnnotation(NullTerminated.class) != null) {
writer.print("NT");
}
writer.print('(');
writer.print(type_map.getAPIUtilParam(true));
writer.print(param.getSimpleName());
if (offset != null) {
writer.print(", " + offset);
}
writer.print(")");
} else {
final AutoSize auto_size_annotation = param.getAnnotation(AutoSize.class);
if (auto_size_annotation != null) {
writer.print(auto_size_annotation.value() + "_");
}
final Class buffer_type = Utils.getNIOBufferType(param.asType());
if (buffer_type == null) {
writer.print(param.getSimpleName());
} else {
writer.print("MemoryUtil.getAddress");
if (check_annotation != null && check_annotation.canBeNull()) {
writer.print("Safe");
}
writer.print("(");
writer.print(param.getSimpleName());
writer.print(")");
}
}
}
if (type != long.class) {
PointerWrapper pointer_annotation = param.getAnnotation(PointerWrapper.class);
if (pointer_annotation != null) {
if (pointer_annotation.canBeNull()) {
writer.print(" == null ? 0 : " + param.getSimpleName());
}
writer.print(".getPointer()");
}
}
}
}
return false;
}