public void process() {
for (TypeDeclaration typeDecl : env.getSpecifiedTypeDeclarations()) {
ExtractInterface annot = typeDecl.getAnnotation(ExtractInterface.class);
if (annot == null) break;
for (MethodDeclaration m : typeDecl.getMethods())
if (m.getModifiers().contains(Modifier.PUBLIC)
&& !(m.getModifiers().contains(Modifier.STATIC))) interfaceMethods.add(m);
if (interfaceMethods.size() > 0) {
try {
PrintWriter writer = env.getFiler().createSourceFile(annot.value());
writer.println("package " + typeDecl.getPackage().getQualifiedName() + ";");
writer.println("public interface " + annot.value() + " {");
for (MethodDeclaration m : interfaceMethods) {
writer.print(" public ");
writer.print(m.getReturnType() + " ");
writer.print(m.getSimpleName() + " (");
int i = 0;
for (ParameterDeclaration parm : m.getParameters()) {
writer.print(parm.getType() + " " + parm.getSimpleName());
if (++i < m.getParameters().size()) writer.print(", ");
}
writer.println(");");
}
writer.println("}");
writer.close();
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
}
}
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 boolean checkInheritedMethod(
Thing data,
String methodName,
String returnType,
ClassDeclaration superclass,
boolean finalOk,
InheritCheck inheritCheck) {
if (inheritCheck != null) {
if (inheritCheck.isInherited(data, superclass)) {
return true;
}
}
for (MethodDeclaration methodDeclaration : superclass.getMethods()) {
if (methodName.equals(methodDeclaration.getSimpleName())
&& methodDeclaration.getParameters().isEmpty()
&& returnType.equals(methodDeclaration.getReturnType().toString())) {
data.put(methodName + "Inherited", true);
Collection<Modifier> modifiers = methodDeclaration.getModifiers();
if ((modifiers.contains(Modifier.FINAL) || modifiers.contains(Modifier.PRIVATE))
&& !finalOk) {
// TBD TBD TBD - ERROR!!! cannot extend class with superclass method like this - how to
// report?
} else if (modifiers.contains(Modifier.PROTECTED)) {
data.put(methodName + "Modifiers", "protected");
} else if (modifiers.contains(Modifier.PUBLIC)) {
data.put(methodName + "Modifiers", "public");
} else {
data.put(methodName + "Modifiers", "");
}
return true;
}
}
if (superclass.getSuperclass() != null) {
if (superclass.getSuperclass().getDeclaration() != null) {
if (checkInheritedMethod(
data,
methodName,
returnType,
superclass.getSuperclass().getDeclaration(),
finalOk,
inheritCheck)) {
return true;
}
}
}
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 void processDefaultMethods(Thing data, ClassDeclaration classDeclaration) {
// find any methods that have default parameters
boolean error = false;
for (ConstructorDeclaration constructorDeclaration : classDeclaration.getConstructors()) {
Collection<ParameterDeclaration> parameters = constructorDeclaration.getParameters();
for (ParameterDeclaration parameterDeclaration : parameters) {
Default annotation = parameterDeclaration.getAnnotation(Default.class);
if (annotation != null) {
error(parameterDeclaration, "@Default is not legal in constructor parameters");
error = true;
}
}
}
if (error) {
return;
}
boolean atLeastOneDefault = false;
methods:
for (MethodDeclaration methodDeclaration : classDeclaration.getMethods()) {
Collection<ParameterDeclaration> parameters = methodDeclaration.getParameters();
boolean seenDefault = false;
String[] names = new String[parameters.size()];
String[] types = new String[parameters.size()];
String[] defaults = new String[parameters.size()];
int n = 0;
for (ParameterDeclaration parameterDeclaration : parameters) {
Default annotation = parameterDeclaration.getAnnotation(Default.class);
names[n] = parameterDeclaration.getSimpleName();
types[n] = parameterDeclaration.getType().toString();
if (annotation != null) {
seenDefault = true;
if ("java.lang.String".equals(types[n])) {
defaults[n] = '"' + annotation.value() + '"';
} else {
defaults[n] = annotation.value();
}
} else if (seenDefault) {
error(
parameterDeclaration,
"All parameters after a parameter annotated with @Default must be annotated with @Default");
continue methods;
}
n++;
}
if (seenDefault) {
atLeastOneDefault = true;
if (methodDeclaration.getModifiers().contains(Modifier.PRIVATE)) {
error(methodDeclaration, "Private methods cannot use @Default parameters");
}
if (methodDeclaration.getModifiers().contains(Modifier.STATIC)) {
error(methodDeclaration, "Static methods cannot use @Default parameters");
}
String modifiers3 = "";
if (methodDeclaration.getModifiers().contains(Modifier.PUBLIC)) {
modifiers3 = "public ";
} else if (methodDeclaration.getModifiers().contains(Modifier.PROTECTED)) {
modifiers3 = "protected ";
}
String throwsClause = getThrowsClause(methodDeclaration);
String returnType = methodDeclaration.getReturnType().toString();
String methodName = methodDeclaration.getSimpleName();
String argDecl = "";
String callArgs = "";
for (int i = 0; i < n; i++) {
if (defaults[i] != null) {
String callArgsWithDefaults = callArgs;
for (int j = i; j < n; j++) {
if (j > 0) {
callArgsWithDefaults += ", ";
}
callArgsWithDefaults += defaults[j];
}
Thing method = new Thing("method");
method.put("name", methodName);
method.put("returnType", returnType);
method.put("throwsClause", throwsClause);
method.put("argDecls", argDecl);
method.put("modifiers", modifiers3);
method.put("args", callArgsWithDefaults);
data.add("defaultMethods", method);
}
if (i > 0) {
argDecl += ", ";
callArgs += ", ";
}
argDecl += types[i] + ' ' + names[i];
callArgs += names[i];
}
Thing method = new Thing("method");
method.put("name", methodName);
method.put("returnType", returnType);
method.put("throwsClause", throwsClause);
method.put("modifiers", modifiers3);
method.put("abstract", true);
method.put("argDecls", argDecl);
data.add("defaultMethods", method);
}
}
data.put("atLeastOneDefault", atLeastOneDefault);
if (!atLeastOneDefault) {
data.setEmpty("defaultMethods");
}
}
public String methodToString(MethodDeclaration method) {
StringBuffer buf = new StringBuffer(method.getSimpleName());
for (ParameterDeclaration param : method.getParameters())
buf.append(";" + param.getType().toString());
return buf.toString();
}