private static void printParameterCaching(
PrintWriter writer,
TypeElement interface_decl,
ExecutableElement method,
Mode mode,
boolean context_specific) {
for (VariableElement param : method.getParameters()) {
Class java_type = Utils.getJavaType(param.asType());
CachedReference cachedReference = param.getAnnotation(CachedReference.class);
if (Buffer.class.isAssignableFrom(java_type)
&& cachedReference != null
&& (mode != Mode.BUFFEROBJECT || param.getAnnotation(BufferObject.class) == null)
&& param.getAnnotation(Result.class) == null) {
writer.print("\t\tif ( LWJGLUtil.CHECKS ) StateTracker.");
if (context_specific) {
writer.print("getReferences(caps).");
} else {
writer.print("getTracker().");
}
if (cachedReference.name().length() > 0) {
writer.print(cachedReference.name());
} else {
writer.print(Utils.getReferenceName(interface_decl, method, param));
}
if (cachedReference.index().length() > 0) {
writer.print("[" + cachedReference.index() + "]");
}
writer.println(" = " + param.getSimpleName() + ";");
}
}
}
public static void generateNativeMethodStubs(
AnnotationProcessorEnvironment env,
TypeMap type_map,
PrintWriter writer,
InterfaceDeclaration d,
boolean generate_error_checks,
boolean context_specific) {
for (MethodDeclaration method : d.getMethods()) {
Alternate alt_annotation = method.getAnnotation(Alternate.class);
if (alt_annotation != null && !alt_annotation.nativeAlt()) continue;
generateMethodStub(
env,
type_map,
writer,
Utils.getQualifiedClassName(d),
method,
Mode.NORMAL,
generate_error_checks,
context_specific);
if (Utils.hasMethodBufferObjectParameter(method))
generateMethodStub(
env,
type_map,
writer,
Utils.getQualifiedClassName(d),
method,
Mode.BUFFEROBJECT,
generate_error_checks,
context_specific);
}
}
@Override
public void printErrorCheckMethod(
final PrintWriter writer, final ExecutableElement method, final String tabs) {
final Check check = method.getAnnotation(Check.class);
if (check != null) // Get the error code from an IntBuffer output parameter
writer.println(
tabs + "Util.checkCLError(" + check.value() + ".get(" + check.value() + ".position()));");
else {
final Class return_type = Utils.getJavaType(method.getReturnType());
if (return_type == int.class) writer.println(tabs + "Util.checkCLError(__result);");
else {
boolean hasErrCodeParam = false;
for (final VariableElement param : method.getParameters()) {
if ("errcode_ret".equals(param.getSimpleName().toString())
&& Utils.getJavaType(param.asType()) == IntBuffer.class) {
hasErrCodeParam = true;
break;
}
}
if (hasErrCodeParam)
throw new RuntimeException(
"A method is missing the @Check annotation: " + method.toString());
}
}
}
private static void printJavaNativeStub(
ProcessingEnvironment env,
PrintWriter writer,
ExecutableElement method,
Mode mode,
boolean generate_error_checks,
boolean context_specific) {
if (Utils.isMethodIndirect(generate_error_checks, context_specific, method)) {
writer.print("\tstatic native ");
} else {
Utils.printDocComment(writer, method, env);
writer.print("\tpublic static native ");
}
writer.print(getResultType(method, true));
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 =
generateParametersJava(
writer, method, TypeInfo.getDefaultTypeInfoMap(method), true, true, mode);
if (context_specific) {
if (!first_parameter) {
writer.print(", ");
}
writer.print("long " + Utils.FUNCTION_POINTER_VAR_NAME);
}
writer.println(");");
}
private static String getResultType(ExecutableElement method, boolean native_stub) {
if (native_stub && method.getAnnotation(PointerWrapper.class) != null) {
return "long";
} else if (!native_stub && method.getAnnotation(GLreturn.class) != null) {
return Utils.getMethodReturnType(method, method.getAnnotation(GLreturn.class), false);
} else {
return Utils.getJavaType(Utils.getMethodReturnType(method)).getSimpleName();
}
}
private static boolean printMethodCallArguments(
PrintWriter writer,
ExecutableElement method,
Map<VariableElement, TypeInfo> typeinfos_instance,
Mode mode,
TypeMap type_map) {
boolean first_parameter = true;
for (VariableElement param : method.getParameters()) {
if (param.getAnnotation(Result.class) != null
|| (param.getAnnotation(Helper.class) != null
&& !param.getAnnotation(Helper.class).passToNative())) {
continue;
}
final Constant constant_annotation = param.getAnnotation(Constant.class);
if (constant_annotation == null || !constant_annotation.isNative()) {
first_parameter =
printMethodCallArgument(
writer, method, param, typeinfos_instance, mode, first_parameter, type_map);
}
}
if (Utils.getNIOBufferType(Utils.getMethodReturnType(method)) != null) {
if (method.getAnnotation(CachedResult.class) != null
&& method.getAnnotation(CachedResult.class).isRange()) {
first_parameter = false;
Utils.printExtraCallArguments(writer, method, "");
} else {
AutoSize auto_size_annotation = method.getAnnotation(AutoSize.class);
if (auto_size_annotation == null || !auto_size_annotation.isNative()) {
if (!first_parameter) {
writer.print(", ");
}
first_parameter = false;
String result_size_expression;
if (mode == Mode.CACHEDRESULT) {
result_size_expression = Utils.CACHED_BUFFER_LENGTH_NAME;
} else if (auto_size_annotation == null) {
result_size_expression = Utils.RESULT_SIZE_NAME;
} else {
result_size_expression = auto_size_annotation.value();
}
Utils.printExtraCallArguments(writer, method, result_size_expression);
}
}
}
return first_parameter;
}
public TexCube(BufferedImage img) {
Coord sz = Utils.imgsz(img);
tdim = sz.x / 4;
if ((tdim * 4) != sz.x)
throw (new RuntimeException("Cube-mapped texture has width undivisible by 4"));
if ((tdim * 3) != sz.y) throw (new RuntimeException("Cube-mapped texture is not 4:3"));
this.back = img;
}
private static void generateBufferParameterAddresses(
TypeMap type_map, PrintWriter writer, MethodDeclaration method, Mode mode) {
boolean loopDeclared = false;
for (ParameterDeclaration param : method.getParameters())
if (Utils.isAddressableType(param.getType()) && param.getAnnotation(Result.class) == null)
loopDeclared =
generateBufferParameterAddress(type_map, writer, method, param, mode, loopDeclared);
}
private static void generateStringDeallocations(
PrintWriter writer, Collection<ParameterDeclaration> params) {
for (ParameterDeclaration param : params) {
if (Utils.getJavaType(param.getType()).equals(String.class)
&& param.getAnnotation(Result.class) == null)
writer.println("\tfree(" + param.getSimpleName() + BUFFER_ADDRESS_POSTFIX + ");");
else if (param.getAnnotation(StringList.class) != null) // Free the string array mem
writer.println("\tfree(" + param.getSimpleName() + STRING_LIST_POSTFIX + ");");
}
}
public static void generateMethodsJava(
ProcessingEnvironment env,
TypeMap type_map,
PrintWriter writer,
TypeElement interface_decl,
boolean generate_error_checks,
boolean context_specific) {
for (ExecutableElement method : Utils.getMethods(interface_decl)) {
generateMethodJava(
env, type_map, writer, interface_decl, method, generate_error_checks, context_specific);
}
}
private static boolean hasAnyParameterAutoTypeAnnotation(
ExecutableElement method, VariableElement target_param) {
for (VariableElement param : method.getParameters()) {
AutoType auto_type_annotation = param.getAnnotation(AutoType.class);
if (auto_type_annotation != null) {
VariableElement type_target_param =
Utils.findParameter(method, auto_type_annotation.value());
if (target_param.equals(type_target_param)) {
return true;
}
}
}
return false;
}
private static void generateParameter(PrintWriter writer, ParameterDeclaration param, Mode mode) {
writer.print(", ");
if (mode == Mode.BUFFEROBJECT && param.getAnnotation(BufferObject.class) != null) {
writer.print("jlong " + param.getSimpleName() + Utils.BUFFER_OBJECT_PARAMETER_POSTFIX);
} else if (param.getAnnotation(GLpointer.class) != null) {
writer.print("jlong " + param.getSimpleName());
} else {
JNITypeTranslator translator = new JNITypeTranslator();
param.getType().accept(translator);
writer.print(translator.getSignature() + " " + param.getSimpleName());
if (Utils.getNIOBufferType(param.getType()) != null)
writer.print(", jint " + param.getSimpleName() + BUFFER_POSITION_POSTFIX);
}
}
private static String getDefaultResultValue(ExecutableElement method) {
if (method.getAnnotation(GLreturn.class) != null) {
final String type =
Utils.getMethodReturnType(method, method.getAnnotation(GLreturn.class), false);
if ("boolean".equals(type)) {
return "false";
} else if (Character.isLowerCase(type.charAt(0))) {
return "0";
} else {
return "null";
}
} else {
final Class type = Utils.getJavaType(Utils.getMethodReturnType(method));
if (type.isPrimitive()) {
if (type == boolean.class) {
return "false";
} else {
return "0";
}
} else {
return "null";
}
}
}
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 String getPostfixStrippedName(
TypeMap type_map, TypeElement interface_decl, ExecutableElement method) {
StripPostfix strip_annotation = method.getAnnotation(StripPostfix.class);
VariableElement postfix_parameter = Utils.findParameter(method, strip_annotation.value());
String postfix = strip_annotation.postfix();
boolean postfixOverride = !("NULL".equals(postfix) && strip_annotation.hasPostfix());
if (!postfixOverride) {
PostfixTranslator translator = new PostfixTranslator(type_map, postfix_parameter);
postfix_parameter.asType().accept(translator, null);
postfix = translator.getSignature();
} else if (!strip_annotation.hasPostfix()) {
postfix = "";
}
String method_name;
Alternate alt_annotation = method.getAnnotation(Alternate.class);
method_name =
alt_annotation == null || alt_annotation.javaAlt()
? method.getSimpleName().toString()
: alt_annotation.value();
String extension_postfix =
"NULL".equals(strip_annotation.extension())
? getExtensionPostfix(interface_decl)
: strip_annotation.extension();
Matcher matcher =
getPostfixPattern(
postfixOverride
? (postfix + "(?:v)?" + extension_postfix + "$")
: ("(?:" + postfix + "(?:v)?|i(?:64)?_v|v)" + extension_postfix + "$"))
.matcher(method_name);
if (!matcher.find()) {
throw new RuntimeException(
method_name
+ " is specified as being postfix stripped on parameter "
+ postfix_parameter
+ ", but it's postfix is neither '"
+ postfix
+ "' nor 'v'");
}
return method_name.substring(0, matcher.start()) + extension_postfix;
}
private static void generateCallParameter(
PrintWriter writer, TypeMap type_map, ParameterDeclaration param) {
boolean is_indirect = param.getAnnotation(Indirect.class) != null;
if (is_indirect || param.getAnnotation(StringList.class) != null) {
writer.print("(");
NativeTypeTranslator translator = new NativeTypeTranslator(type_map, param);
param.getType().accept(translator);
writer.print(translator.getSignature());
writer.print("*)");
}
if (param.getAnnotation(GLpointer.class) != null)
writer.print("(" + param.getAnnotation(GLpointer.class).value() + ")(intptr_t)");
if (param.getAnnotation(Result.class) != null || is_indirect) writer.print("&");
if (param.getAnnotation(Result.class) != null) {
writer.print(Utils.RESULT_VAR_NAME);
} else {
writer.print(param.getSimpleName());
if (param.getAnnotation(StringList.class) != null) writer.print(STRING_LIST_POSTFIX);
else if (Utils.isAddressableType(param.getType())) writer.print(BUFFER_ADDRESS_POSTFIX);
}
}
private static VariableElement getAutoTypeParameter(
ExecutableElement method, VariableElement target_parameter) {
for (VariableElement param : method.getParameters()) {
AnnotationMirror auto_annotation = Utils.getParameterAutoAnnotation(param);
if (auto_annotation != null) {
Class annotation_type =
NativeTypeTranslator.getClassFromType(auto_annotation.getAnnotationType());
String parameter_name;
if (annotation_type.equals(AutoType.class)) {
parameter_name = param.getAnnotation(AutoType.class).value();
} else if (annotation_type.equals(AutoSize.class)) {
parameter_name = param.getAnnotation(AutoSize.class).value();
} else {
throw new RuntimeException("Unknown annotation type " + annotation_type);
}
if (target_parameter.getSimpleName().toString().equals(parameter_name)) {
return param;
}
}
}
return null;
}
private static boolean generateBufferParameterAddress(
TypeMap type_map,
PrintWriter writer,
MethodDeclaration method,
ParameterDeclaration param,
Mode mode,
boolean loopDeclared) {
NativeTypeTranslator translator = new NativeTypeTranslator(type_map, param);
param.getType().accept(translator);
writer.print("\t" + translator.getSignature() + param.getSimpleName());
writer.print(BUFFER_ADDRESS_POSTFIX + " = ((");
writer.print(translator.getSignature());
Check check_annotation = param.getAnnotation(Check.class);
writer.print(")");
if (mode == Mode.BUFFEROBJECT && param.getAnnotation(BufferObject.class) != null) {
writer.print(
"offsetToPointer("
+ param.getSimpleName()
+ Utils.BUFFER_OBJECT_PARAMETER_POSTFIX
+ "))");
} else {
Class java_type = Utils.getJavaType(param.getType());
if (Buffer.class.isAssignableFrom(java_type)
|| java_type.equals(CharSequence.class)
|| java_type.equals(CharSequence[].class)) {
boolean explicitly_byte_sized =
java_type.equals(Buffer.class)
|| translator.getAnnotationType().equals(type_map.getVoidType());
if (explicitly_byte_sized) writer.print("(((char *)");
if (method.getAnnotation(GenerateAutos.class) != null
|| (check_annotation != null && check_annotation.canBeNull())) {
writer.print("safeGetBufferAddress(env, " + param.getSimpleName());
} else {
writer.print("(*env)->GetDirectBufferAddress(env, " + param.getSimpleName());
}
writer.print("))");
writer.print(" + " + param.getSimpleName() + BUFFER_POSITION_POSTFIX);
if (explicitly_byte_sized) writer.print("))");
} else if (java_type.equals(String.class)) {
writer.print("GetStringNativeChars(env, " + param.getSimpleName() + "))");
} else throw new RuntimeException("Illegal type " + java_type);
}
writer.println(";");
if (param.getAnnotation(StringList.class) != null) {
if (Utils.getJavaType(param.getType()) != CharSequence[].class
&& (param.getAnnotation(GLchar.class) == null
|| param.getAnnotation(NullTerminated.class) == null
|| param.getAnnotation(NullTerminated.class).value().length() == 0))
throw new RuntimeException(
"StringList annotation can only be applied on null-terminated GLchar buffers.");
if ("_str".equals(param.getSimpleName()))
throw new RuntimeException(
"The name '_str' is not valid for arguments annotated with StringList");
// Declare loop counters and allocate string array
if (!loopDeclared) {
writer.println("\tunsigned int _str_i;");
writer.println("\tGLchar *_str_address;");
loopDeclared = true;
}
writer.println(
"\tGLchar **"
+ param.getSimpleName()
+ STRING_LIST_POSTFIX
+ " = (GLchar **) malloc("
+ param.getAnnotation(StringList.class).value()
+ "*sizeof(GLchar*));");
}
return loopDeclared;
}
/** TODO : fix info multi-type methods print. */
private static void generateMethodJava(
ProcessingEnvironment env,
TypeMap type_map,
PrintWriter writer,
TypeElement interface_decl,
ExecutableElement method,
boolean generate_error_checks,
boolean context_specific) {
writer.println();
if (Utils.isMethodIndirect(generate_error_checks, context_specific, method)) {
if (method.getAnnotation(GenerateAutos.class) != null) {
printMethodWithMultiType(
env,
type_map,
writer,
interface_decl,
method,
TypeInfo.getDefaultTypeInfoMap(method),
Mode.AUTOS,
generate_error_checks,
context_specific);
}
Collection<Map<VariableElement, TypeInfo>> cross_product =
TypeInfo.getTypeInfoCrossProduct(type_map, method);
for (Map<VariableElement, TypeInfo> typeinfos_instance : cross_product) {
printMethodWithMultiType(
env,
type_map,
writer,
interface_decl,
method,
typeinfos_instance,
Mode.NORMAL,
generate_error_checks,
context_specific);
}
}
if (method.getAnnotation(CachedResult.class) != null
&& !method.getAnnotation(CachedResult.class).isRange()) {
printMethodWithMultiType(
env,
type_map,
writer,
interface_decl,
method,
TypeInfo.getDefaultTypeInfoMap(method),
Mode.CACHEDRESULT,
generate_error_checks,
context_specific);
}
Reuse reuse_annotation = method.getAnnotation(Reuse.class);
Alternate alt_annotation = method.getAnnotation(Alternate.class);
if (alt_annotation == null || (alt_annotation.nativeAlt() && !alt_annotation.skipNative())) {
if (alt_annotation != null
&& method.getSimpleName().toString().equals(alt_annotation.value())) {
throw new RuntimeException(
"An alternate function with native code should have a different name than the main function.");
}
if (reuse_annotation == null) {
printJavaNativeStub(
env, writer, method, Mode.NORMAL, generate_error_checks, context_specific);
}
if (Utils.hasMethodBufferObjectParameter(method)) {
printMethodWithMultiType(
env,
type_map,
writer,
interface_decl,
method,
TypeInfo.getDefaultTypeInfoMap(method),
Mode.BUFFEROBJECT,
generate_error_checks,
context_specific);
if (reuse_annotation == null) {
printJavaNativeStub(
env, writer, method, Mode.BUFFEROBJECT, generate_error_checks, context_specific);
}
}
}
}
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;
}
private static void generateMethodStub(
AnnotationProcessorEnvironment env,
TypeMap type_map,
PrintWriter writer,
String interface_name,
MethodDeclaration method,
Mode mode,
boolean generate_error_checks,
boolean context_specific) {
if (!context_specific && method.getAnnotation(Alternate.class) == null) writer.print("static ");
else writer.print("JNIEXPORT ");
TypeMirror result_type = Utils.getMethodReturnType(method);
if (method.getAnnotation(GLpointer.class) != null) {
writer.print("jlong");
} else {
JNITypeTranslator translator = new JNITypeTranslator();
result_type.accept(translator);
writer.print(translator.getSignature());
}
writer.print(" JNICALL ");
writer.print(
Utils.getQualifiedNativeMethodName(
interface_name, method, generate_error_checks, context_specific));
if (mode == Mode.BUFFEROBJECT) writer.print(Utils.BUFFER_OBJECT_METHOD_POSTFIX);
writer.print("(JNIEnv *env, jclass clazz");
generateParameters(writer, method.getParameters(), mode);
if (Utils.getNIOBufferType(result_type) != null) {
CachedResult cached_result_annotation = method.getAnnotation(CachedResult.class);
if (cached_result_annotation == null || !cached_result_annotation.isRange())
writer.print(", jlong " + Utils.RESULT_SIZE_NAME);
if (cached_result_annotation != null) writer.print(", jobject " + Utils.CACHED_BUFFER_NAME);
}
if (context_specific) {
writer.print(", jlong " + Utils.FUNCTION_POINTER_VAR_NAME);
}
writer.println(") {");
generateBufferParameterAddresses(type_map, writer, method, mode);
Alternate alt_annotation = method.getAnnotation(Alternate.class);
if (context_specific) {
String typedef_name = Utils.getTypedefName(method);
writer.print(
"\t"
+ typedef_name
+ " "
+ (alt_annotation == null ? method.getSimpleName() : alt_annotation.value()));
writer.print(" = (" + typedef_name + ")((intptr_t)");
writer.println(Utils.FUNCTION_POINTER_VAR_NAME + ");");
}
generateStringListInits(writer, method.getParameters());
writer.print("\t");
if (!result_type.equals(env.getTypeUtils().getVoidType())) {
Declaration return_declaration;
ParameterDeclaration result_param = Utils.getResultParameter(method);
if (result_param != null) return_declaration = result_param;
else return_declaration = method;
NativeTypeTranslator native_translator =
new NativeTypeTranslator(type_map, return_declaration);
result_type.accept(native_translator);
writer.print(native_translator.getSignature() + " " + Utils.RESULT_VAR_NAME);
if (result_param != null) {
writer.println(";");
writer.print("\t");
} else writer.print(" = ");
}
writer.print((alt_annotation == null ? method.getSimpleName() : alt_annotation.value()) + "(");
generateCallParameters(writer, type_map, method.getParameters());
writer.print(")");
writer.println(";");
generateStringDeallocations(writer, method.getParameters());
if (!result_type.equals(env.getTypeUtils().getVoidType())) {
writer.print("\treturn ");
Class java_result_type = Utils.getJavaType(result_type);
if (Buffer.class.isAssignableFrom(java_result_type)) {
if (method.getAnnotation(CachedResult.class) != null)
writer.print("safeNewBufferCached(env, ");
else writer.print("safeNewBuffer(env, ");
} else if (String.class.equals(java_result_type)) {
writer.print("NewStringNativeUnsigned(env, ");
} else if (method.getAnnotation(GLpointer.class) != null) {
writer.print("(intptr_t)");
}
writer.print(Utils.RESULT_VAR_NAME);
if (Buffer.class.isAssignableFrom(java_result_type)) {
writer.print(", ");
if (method.getAnnotation(CachedResult.class) != null
&& method.getAnnotation(CachedResult.class).isRange())
Utils.printExtraCallArguments(
writer, method, method.getAnnotation(AutoResultSize.class).value());
else Utils.printExtraCallArguments(writer, method, Utils.RESULT_SIZE_NAME);
}
if (Buffer.class.isAssignableFrom(java_result_type) || String.class.equals(java_result_type))
writer.print(")");
writer.println(";");
}
writer.println("}");
writer.println();
}
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 generateParametersJava(
PrintWriter writer,
ExecutableElement method,
Map<VariableElement, TypeInfo> typeinfos_instance,
boolean native_stub,
final boolean printTypes,
Mode mode) {
boolean first_parameter = true;
for (VariableElement param : method.getParameters()) {
if (native_stub
&& (param.getAnnotation(Helper.class) != null
&& !param.getAnnotation(Helper.class).passToNative())) {
continue;
}
final Constant constant_annotation = param.getAnnotation(Constant.class);
if (constant_annotation != null && constant_annotation.isNative()) {
continue;
}
AnnotationMirror auto_annotation_mirror = Utils.getParameterAutoAnnotation(param);
boolean hide_auto_parameter =
mode == Mode.NORMAL && !native_stub && auto_annotation_mirror != null;
if (hide_auto_parameter) {
AutoType auto_type_annotation = param.getAnnotation(AutoType.class);
if (auto_type_annotation != null) {
VariableElement auto_parameter =
Utils.findParameter(method, auto_type_annotation.value());
TypeInfo auto_param_type_info = typeinfos_instance.get(auto_parameter);
if (auto_param_type_info.getSignedness() == Signedness.BOTH) {
if (!first_parameter) {
writer.print(", ");
}
first_parameter = false;
if (printTypes) {
writer.print("boolean ");
}
writer.print(TypeInfo.UNSIGNED_PARAMETER_NAME);
}
}
} else if (param.getAnnotation(Result.class) == null
&& (native_stub
|| ((param.getAnnotation(Constant.class) == null
|| param.getAnnotation(Constant.class).keepParam())
&& !Utils.isReturnParameter(method, param)))
&& (mode != Mode.AUTOS || getAutoTypeParameter(method, param) == null)) {
first_parameter =
generateParameterJava(
writer,
param,
typeinfos_instance.get(param),
native_stub,
printTypes,
first_parameter,
mode);
}
}
CachedResult cached_result_annotation = method.getAnnotation(CachedResult.class);
TypeMirror result_type = Utils.getMethodReturnType(method);
if ((native_stub && Utils.getNIOBufferType(result_type) != null)
|| Utils.needResultSize(method)) {
AutoSize auto_size_annotation = method.getAnnotation(AutoSize.class);
if (auto_size_annotation == null || !auto_size_annotation.isNative()) {
if (cached_result_annotation == null || !cached_result_annotation.isRange()) {
if (!first_parameter) {
writer.print(", ");
}
first_parameter = false;
if (printTypes) {
writer.print("long ");
}
writer.print(Utils.RESULT_SIZE_NAME);
}
}
}
if (cached_result_annotation != null) {
if (!first_parameter) {
writer.print(", ");
}
if (mode == Mode.CACHEDRESULT) {
if (printTypes) {
writer.print("long ");
}
writer.print(Utils.CACHED_BUFFER_LENGTH_NAME + ", ");
}
first_parameter = false;
if (printTypes) {
writer.print(getResultType(method, native_stub));
}
writer.print(" " + Utils.CACHED_BUFFER_NAME);
}
return first_parameter;
}
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);
}
}
public void chcolor(int r, int g, int b, int a) {
chcolor(Utils.clipcol(r, g, b, a));
}