public void setCallingConvention(Convention.Style style) {
if (style == null) return;
if (!Platform.isWindows() || Platform.is64Bits()) return;
switch (style) {
case FastCall:
this.direct = false;
setDcCallingConvention(
Platform.isWindows()
? DC_CALL_C_X86_WIN32_FAST_MS
: DC_CALL_C_DEFAULT); // TODO allow GCC-compiled C++ libs on windows
break;
case Pascal:
case StdCall:
this.direct = false;
setDcCallingConvention(DC_CALL_C_X86_WIN32_STD);
break;
case ThisCall:
this.direct = false;
setDcCallingConvention(
Platform.isWindows() ? DC_CALL_C_X86_WIN32_THIS_MS : DC_CALL_C_DEFAULT);
}
if (BridJ.veryVerbose)
BridJ.info("Setting CC " + style + " (-> " + dcCallingConvention + ") for " + methodName);
}
/**
* Used for C++ virtual indexes and for struct fields ids
*
* @param virtualIndex
*/
public void setVirtualIndex(int virtualIndex) {
// new RuntimeException("Setting virtualIndex of " + getMethod().getName() + " = " +
// virtualIndex).printStackTrace();
this.virtualIndex = virtualIndex;
if (BridJ.veryVerbose) {
BridJ.info("\t-> virtualIndex " + virtualIndex);
}
}
public MethodCallInfo(Method method, Method definition) {
this.setMethod(method);
// this.setDefinition(definition);
this.setDeclaringClass(method.getDeclaringClass());
symbolName = methodName;
int modifiers = method.getModifiers();
isStatic = Modifier.isStatic(modifiers);
isVarArgs = method.isVarArgs();
boolean isNative = Modifier.isNative(modifiers);
boolean isVirtual = isAnnotationPresent(Virtual.class, definition);
boolean isDirectModeAllowed =
getInheritableAnnotation(DisableDirect.class, definition) == null
&& BridJ.isDirectModeEnabled();
isCPlusPlus = !isStatic && derivesFrom(method.getDeclaringClass(), "org.bridj.cpp.CPPObject");
isObjCBlock = !isStatic && derivesFrom(method.getDeclaringClass(), "org.bridj.objc.ObjCBlock");
init(
method,
method.getReturnType(),
method.getGenericReturnType(),
method.getAnnotations(),
method.getParameterTypes(),
method.getGenericParameterTypes(),
method.getParameterAnnotations(),
isNative,
isVirtual,
isDirectModeAllowed);
Convention cc = getInheritableAnnotation(Convention.class, definition);
if (cc != null) {
setCallingConvention(cc.value());
}
List<Class<?>> exceptionTypes = Arrays.asList(definition.getExceptionTypes());
if (!exceptionTypes.isEmpty()) {
this.direct = false; // there is no crash / exception protection for direct raw calls
if (exceptionTypes.contains(LastError.class)) this.bThrowLastError = true;
}
}
public ValueType getValueType(
int iParam,
int nParams,
Class<?> c,
Type t,
AnnotatedElement element,
Annotation... directAnnotations) {
boolean isPtr = isAnnotationPresent(Ptr.class, element, directAnnotations);
boolean isCLong = isAnnotationPresent(org.bridj.ann.CLong.class, element, directAnnotations);
Constructor cons = getAnnotation(Constructor.class, element, directAnnotations);
if (isPtr || cons != null || isCLong) {
if (!(c == Long.class || c == Long.TYPE))
throw new RuntimeException(
"Annotation should only be used on a long parameter, not on a " + c.getName());
if (isPtr) {
if (!Platform.is64Bits()) direct = false;
} else if (isCLong) {
if (Platform.CLONG_SIZE != 8) direct = false;
} else if (cons != null) {
isCPlusPlus = true;
startsWithThis = true;
if (iParam != 0)
throw new RuntimeException(
"Annotation "
+ Constructor.class.getName()
+ " cannot have more than one (long) argument");
}
return ValueType.eSizeTValue;
}
if (c == null || c.equals(Void.TYPE)) return ValueType.eVoidValue;
if (c == Integer.class || c == Integer.TYPE) return ValueType.eIntValue;
if (c == Long.class || c == Long.TYPE) {
return !isPtr || Platform.is64Bits() ? ValueType.eLongValue : ValueType.eIntValue;
}
if (c == Short.class || c == Short.TYPE) return ValueType.eShortValue;
if (c == Byte.class || c == Byte.TYPE) return ValueType.eByteValue;
if (c == Boolean.class || c == Boolean.TYPE) return ValueType.eBooleanValue;
if (c == Float.class || c == Float.TYPE) {
usesFloats();
return ValueType.eFloatValue;
}
if (c == char.class || c == Character.TYPE) {
if (Platform.WCHAR_T_SIZE != 2) direct = false;
return ValueType.eWCharValue;
}
if (c == Double.class || c == Double.TYPE) {
usesFloats();
return ValueType.eDoubleValue;
}
if (c == CLong.class) {
direct = false;
return ValueType.eCLongObjectValue;
}
if (c == SizeT.class) {
direct = false;
return ValueType.eSizeTObjectValue;
}
if (c == TimeT.class) {
direct = false;
return ValueType.eTimeTObjectValue;
}
if (Pointer.class.isAssignableFrom(c)) {
direct = false;
CallIO cio = CallIO.Utils.createPointerCallIO(c, t);
if (BridJ.veryVerbose) BridJ.info("CallIO : " + cio);
addCallIO(cio);
return ValueType.ePointerValue;
}
if (c.isArray() && iParam == nParams - 1) {
direct = false;
return ValueType.eEllipsis;
}
if (ValuedEnum.class.isAssignableFrom(c)) {
direct = false;
CallIO cio =
CallIO.Utils.createValuedEnumCallIO(
(Class) Utils.getClass(Utils.getUniqueParameterizedTypeParameter(t)));
if (BridJ.veryVerbose) BridJ.info("CallIO : " + cio);
addCallIO(cio);
return ValueType.eIntFlagSet;
}
if (NativeObject.class.isAssignableFrom(c)) {
Pointer<DCstruct> pStruct = null;
if (StructObject.class.isAssignableFrom(c)) {
StructIO io = StructIO.getInstance(c, t);
try {
pStruct = DyncallStructs.buildDCstruct(io.desc);
} catch (Throwable th) {
BridJ.error(
"Unable to create low-level struct metadata for "
+ Utils.toString(t)
+ " : won't be able to use it as a by-value function argument.",
th);
}
}
addCallIO(new CallIO.NativeObjectHandler((Class<? extends NativeObject>) c, t, pStruct));
direct = false;
return ValueType.eNativeObjectValue;
}
throw new NoSuchElementException(
"No " + ValueType.class.getSimpleName() + " for class " + c.getName());
}
protected void init(
AnnotatedElement annotatedElement,
Class returnType,
Type genericReturnType,
Annotation[] returnAnnotations,
Class[] parameterTypes,
Type[] genericParameterTypes,
Annotation[][] paramsAnnotations,
boolean prependJNIPointers,
boolean isVirtual,
boolean isDirectModeAllowed) {
assert returnType != null;
assert genericReturnType != null;
assert parameterTypes != null;
assert genericParameterTypes != null;
assert returnAnnotations != null;
assert parameterTypes.length == genericParameterTypes.length;
assert paramsAnnotations.length == genericParameterTypes.length;
int nParams = genericParameterTypes.length;
paramsValueTypes = new int[nParams];
direct =
isDirectModeAllowed; // TODO on native side : test number of parameters (on 64 bits win :
// must be <= 4)
StringBuilder javaSig = new StringBuilder(64),
asmSig = new StringBuilder(64),
dcSig = new StringBuilder(16);
javaSig.append('(');
asmSig.append('(');
if (prependJNIPointers) // !isCPlusPlus)
dcSig
.append(DC_SIGCHAR_POINTER)
.append(DC_SIGCHAR_POINTER); // JNIEnv*, jobject: always present in native-bound functions
if (BridJ.debug)
BridJ.info(
"Analyzing "
+ (declaringClass == null
? "anonymous method"
: declaringClass.getName() + "." + methodName));
if (isObjCBlock)
appendToSignature(
0, ValueType.ePointerValue, Pointer.class, Pointer.class, null, dcSig, null);
for (int iParam = 0; iParam < nParams; iParam++) {
// Options paramOptions = paramsOptions[iParam] = new Options();
Type genericParameterType = genericParameterTypes[iParam];
Class<?> parameterType = parameterTypes[iParam];
ValueType paramValueType =
getValueType(
iParam,
nParams,
parameterType,
genericParameterType,
null,
paramsAnnotations[iParam]);
if (BridJ.veryVerbose) BridJ.info("\tparam " + paramValueType);
paramsValueTypes[iParam] = paramValueType.ordinal();
appendToSignature(
iParam, paramValueType, parameterType, genericParameterType, javaSig, dcSig, asmSig);
}
javaSig.append(')');
asmSig.append(')');
dcSig.append(')');
ValueType retType =
getValueType(
-1, nParams, returnType, genericReturnType, annotatedElement, returnAnnotations);
if (BridJ.veryVerbose) BridJ.info("\treturns " + retType);
appendToSignature(-1, retType, returnType, genericReturnType, javaSig, dcSig, asmSig);
returnValueType = retType.ordinal();
javaSignature = javaSig.toString();
asmSignature = asmSig.toString();
dcSignature = dcSig.toString();
isCPlusPlus = isCPlusPlus || isVirtual;
if (isCPlusPlus && !isStatic) {
if (!startsWithThis) direct = false;
bNeedsThisPointer = true;
if (Platform.isWindows()) {
if (!Platform.is64Bits()) setDcCallingConvention(DC_CALL_C_X86_WIN32_THIS_MS);
} else {
// if (!Platform.is64Bits())
// setDcCallingConvention(DC_CALL_C_X86_WIN32_THIS_GNU);
}
}
if (nParams > Platform.getMaxDirectMappingArgCount()) this.direct = false;
if (BridJ.veryVerbose) {
BridJ.info("\t-> direct " + direct);
BridJ.info("\t-> javaSignature " + javaSignature);
BridJ.info("\t-> callIOs " + callIOs);
BridJ.info("\t-> asmSignature " + asmSignature);
BridJ.info("\t-> dcSignature " + dcSignature);
}
if (BridJ.veryVerbose)
BridJ.info((direct ? "[mappable as direct] " : "[not mappable as direct] ") + method);
}