protected String methodDecl(MethodDoc method, ClassDoc clazz, String cname)
throws ClassNotFoundException {
String res = null;
Type retType = method.returnType();
String typesig = method.signature();
TypeSignature newTypeSig = new TypeSignature(root);
String sig = newTypeSig.getTypeSignature(typesig, retType);
boolean longName = needLongName(method, clazz);
if (sig.charAt(0) != '(') Util.error("invalid.method.signature", sig);
res =
"JNIEXPORT "
+ jniType(retType)
+ " JNICALL"
+ lineSep
+ jniMethodName(method, cname, longName)
+ "(JNIEnv *, "
+ cRcvrDecl(method, cname);
Parameter[] params = method.parameters();
Type argTypes[] = new Type[params.length];
for (int p = 0; p < params.length; p++) {
argTypes[p] = params[p].type();
}
/* It would have been nice to include the argument names in the
declaration, but there seems to be a bug in the "BinaryField"
class, causing the getArguments() method to return "null" for
most (non-constructor) methods. */
for (int i = 0; i < argTypes.length; i++) res = res + ", " + jniType(argTypes[i]);
res = res + ");" + lineSep;
return res;
}
protected void forwardDecls(PrintWriter pw, ClassDoc clazz) throws ClassNotFoundException {
ClassDoc clazzfield = null;
if (clazz.qualifiedName().equals("java.lang.Object")) return;
genHandleType(pw, clazz.qualifiedName());
ClassDoc superClass = clazz.superclass();
if (superClass != null) {
String superClassName = superClass.qualifiedName();
forwardDecls(pw, superClass);
}
for (int i = 0; i < fields.length; i++) {
FieldDoc field = (FieldDoc) fields[i];
if (!field.isStatic()) {
Type t = field.type();
String tname = t.qualifiedTypeName();
TypeSignature newTypeSig = new TypeSignature(root);
String sig = newTypeSig.getTypeSignature(tname);
if (sig.charAt(0) != '[') forwardDeclsFromSig(pw, sig);
}
}
for (int i = 0; i < methods.length; i++) {
MethodDoc method = (MethodDoc) methods[i];
if (method.isNative()) {
Type retType = method.returnType();
String typesig = method.signature();
TypeSignature newTypeSig = new TypeSignature(root);
String sig = newTypeSig.getTypeSignature(typesig, retType);
if (sig.charAt(0) != '[') forwardDeclsFromSig(pw, sig);
}
}
}
protected final String jniMethodName(MethodDoc method, String cname, boolean longName) {
String res = "Java_" + cname + "_" + method.name();
if (longName) {
Type mType = method.returnType();
Parameter[] params = method.parameters();
Type argTypes[] = new Type[params.length];
for (int p = 0; p < params.length; p++) {
argTypes[p] = params[p].type();
}
res = res + "__";
for (int i = 0; i < argTypes.length; i++) {
Type t = argTypes[i];
String tname = t.typeName();
TypeSignature newTypeSig = new TypeSignature(root);
String sig = newTypeSig.getTypeSignature(tname);
res = res + nameToIdentifier(sig);
}
}
return res;
}