private static void printMethodWithMultiType(
ProcessingEnvironment env,
TypeMap type_map,
PrintWriter writer,
TypeElement interface_decl,
ExecutableElement method,
Map<VariableElement, TypeInfo> typeinfos_instance,
Mode mode,
boolean generate_error_checks,
boolean context_specific) {
Utils.printDocComment(writer, method, env);
if (method.getAnnotation(Deprecated.class) != null) {
writer.println("\t@Deprecated");
}
if (interface_decl.getAnnotation(Private.class) == null
&& method.getAnnotation(Private.class) == null) {
writer.print("\tpublic static ");
} else {
writer.print("\tstatic ");
}
writer.print(getResultType(method, false));
StripPostfix strip_annotation = method.getAnnotation(StripPostfix.class);
String method_name;
Alternate alt_annotation = method.getAnnotation(Alternate.class);
method_name =
alt_annotation == null || alt_annotation.javaAlt()
? method.getSimpleName().toString()
: alt_annotation.value();
if (strip_annotation != null && mode == Mode.NORMAL) {
method_name = getPostfixStrippedName(type_map, interface_decl, method);
}
writer.print(" " + method_name + "(");
generateParametersJava(writer, method, typeinfos_instance, false, true, mode);
writer.println(") {");
final TypeMirror result_type = Utils.getMethodReturnType(method);
boolean has_result = !result_type.equals(env.getTypeUtils().getNoType(TypeKind.VOID));
final Reuse reuse_annotation = method.getAnnotation(Reuse.class);
if (reuse_annotation != null) {
writer.print("\t\t");
if (has_result || method.getAnnotation(GLreturn.class) != null) {
writer.print("return ");
}
writer.print(
reuse_annotation.value()
+ "."
+ (reuse_annotation.method().length() > 0 ? reuse_annotation.method() : method_name)
+ "(");
generateParametersJava(writer, method, typeinfos_instance, false, false, mode);
writer.println(");\n\t}");
return;
}
if (context_specific) {
type_map.printCapabilitiesInit(writer);
writer.print(
"\t\tlong " + Utils.FUNCTION_POINTER_VAR_NAME + " = " + type_map.getCapabilities() + ".");
writer.println(Utils.getFunctionAddressName(interface_decl, method, true) + ";");
writer.print("\t\tBufferChecks.checkFunctionAddress(");
writer.println(Utils.FUNCTION_POINTER_VAR_NAME + ");");
}
final Code code_annotation = method.getAnnotation(Code.class);
if (code_annotation != null && code_annotation.value().length() > 0) {
writer.println(code_annotation.value());
}
printBufferObjectChecks(writer, method, mode, context_specific);
printParameterChecks(writer, method, typeinfos_instance, mode, generate_error_checks);
printParameterCaching(writer, interface_decl, method, mode, context_specific);
if (code_annotation != null && code_annotation.javaBeforeNative().length() > 0) {
writer.println(code_annotation.javaBeforeNative());
}
writer.print("\t\t");
final PointerWrapper pointer_wrapper_annotation = method.getAnnotation(PointerWrapper.class);
if (has_result) {
writer.print(getResultType(method, false) + " " + Utils.RESULT_VAR_NAME);
if (code_annotation != null && code_annotation.tryBlock()) {
writer.print(" = " + getDefaultResultValue(method));
writer.println(";\n\t\ttry {");
writer.print("\t\t\t" + Utils.RESULT_VAR_NAME);
}
writer.print(" = ");
if (pointer_wrapper_annotation != null) {
if (pointer_wrapper_annotation.factory().length() > 0) {
writer.print(pointer_wrapper_annotation.factory() + "(");
} else {
writer.print("new " + getResultType(method, false) + "(");
}
}
} else if (method.getAnnotation(GLreturn.class) != null) {
has_result = true;
Utils.printGLReturnPre(writer, method, method.getAnnotation(GLreturn.class), type_map);
}
writer.print(Utils.getSimpleNativeMethodName(method, generate_error_checks, context_specific));
if (mode == Mode.BUFFEROBJECT) {
writer.print(Utils.BUFFER_OBJECT_METHOD_POSTFIX);
}
writer.print("(");
boolean first_parameter =
printMethodCallArguments(writer, method, typeinfos_instance, mode, type_map);
if (context_specific) {
if (!first_parameter) {
writer.print(", ");
}
writer.print(Utils.FUNCTION_POINTER_VAR_NAME);
}
if (has_result && pointer_wrapper_annotation != null) {
writer.print(")");
if (pointer_wrapper_annotation.params().length() > 0) {
writer.print(", " + pointer_wrapper_annotation.params());
}
}
writer.println(");");
if (code_annotation != null && code_annotation.javaAfterNative().length() > 0) {
writer.println(code_annotation.javaAfterNative());
}
final String tabs = code_annotation != null && code_annotation.tryBlock() ? "\t\t\t" : "\t\t";
if (generate_error_checks && method.getAnnotation(NoErrorCheck.class) == null) {
type_map.printErrorCheckMethod(writer, method, tabs);
}
// DISABLED: indirect buffer support
// printNondirectParameterCopies(writer, method, mode);
if (has_result) {
if (method.getAnnotation(GLreturn.class) == null) {
if (ByteBuffer.class.equals(Utils.getJavaType(result_type))) {
writer.println(
tabs
+ "return LWJGLUtil.CHECKS && "
+ Utils.RESULT_VAR_NAME
+ " == null ? null : "
+ Utils.RESULT_VAR_NAME
+ ".order(ByteOrder.nativeOrder());"); // safeNewBuffer returns a direct
// ByteBuffer with BIG_ENDIAN order.
} else {
writer.println(tabs + "return " + Utils.RESULT_VAR_NAME + ";");
}
} else {
Utils.printGLReturnPost(writer, method, method.getAnnotation(GLreturn.class), type_map);
}
}
if (code_annotation != null && code_annotation.tryBlock()) {
writer.println("\t\t} finally {");
writer.println(code_annotation.javaFinally());
writer.println("\t\t}");
}
writer.println("\t}");
}
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;
}
/**
* Ensures space for an additional pointer value, sets the specified value at the allocated offset
* and returns that offset.
*/
public int pointerParam(PointerWrapper value) {
return pointerParam(value.getPointer());
}