static void RaiseException(TextWriter o, JniFunction entry)
{
if (!entry.Throws)
{
return;
}
o.WriteLine();
o.WriteLine("\t\t\tException __e = AndroidEnvironment.GetExceptionForLastThrowable ();");
o.WriteLine("\t\t\tif (__e != null)");
o.WriteLine("\t\t\t\tExceptionDispatchInfo.Capture (__e).Throw ();");
o.WriteLine();
}
static void CreateDelegate(TextWriter o, JniFunction entry)
{
StringBuilder builder = new StringBuilder();
StringBuilder name = new StringBuilder();
bool has_char_array = false;
Func <string, string> FixupType = t => t.Replace("*", "Ref").Replace("[]", "Array").Replace(" ", "");
builder.AppendFormat("\t\tinternal unsafe delegate {0} % (IntPtr env", entry.ReturnType.ManagedType, entry.Name);
name.Append("IntPtr");
for (int i = 0; i < entry.Parameters.Length; i++)
{
if (i >= 0)
{
builder.Append(", ");
builder.AppendFormat("{0} {1}", entry.Parameters [i].Type.ManagedType, entry.Parameters [i].Name);
}
if (entry.Parameters [i].Type.ManagedType == "va_list")
{
return;
}
if (entry.Parameters [i].Type.ManagedType == "char[]")
{
has_char_array = true;
}
name.AppendFormat("_").Append(FixupType(entry.Parameters [i].Type.ManagedType));
}
name.Append("_").Append(FixupType(entry.ReturnType.ManagedType));
name.Append("_Delegate");
builder.Append(");\n");
builder.Replace("%", name.ToString());
entry.Delegate = "JNIEnv." + name.ToString();
if (created_delegates.Contains(name.ToString()))
{
return;
}
created_delegates.Add(name.ToString());
if (entry.Name == "NewString" || has_char_array)
{
o.WriteLine("\t\t[UnmanagedFunctionPointerAttribute (CallingConvention.Cdecl, CharSet=CharSet.Unicode)]");
}
o.Write(builder.ToString());
}
static void CreateDelegate(TextWriter o, JniFunction entry)
{
StringBuilder builder = new StringBuilder ();
StringBuilder name = new StringBuilder ();
bool has_char_array = false;
Func<string, string> FixupType = t => t.Replace ("*", "Ref").Replace ("[]", "Array").Replace (" ", "");
builder.AppendFormat ("\t\tinternal unsafe delegate {0} % (IntPtr env", entry.ReturnType.ManagedType, entry.Name);
name.Append ("IntPtr");
for (int i = 0; i < entry.Parameters.Length; i++) {
if (i >= 0) {
builder.Append (", ");
builder.AppendFormat ("{0} {1}", entry.Parameters [i].Type.ManagedType, entry.Parameters [i].Name);
}
if (entry.Parameters [i].Type.ManagedType == "va_list")
return;
if (entry.Parameters [i].Type.ManagedType == "char[]")
has_char_array = true;
name.AppendFormat ("_").Append (FixupType (entry.Parameters [i].Type.ManagedType));
}
name.Append ("_").Append (FixupType (entry.ReturnType.ManagedType));
name.Append ("_Delegate");
builder.Append (");\n");
builder.Replace ("%", name.ToString ());
entry.Delegate = "JNIEnv." + name.ToString ();
if (created_delegates.Contains (name.ToString ()))
return;
created_delegates.Add (name.ToString ());
if (entry.Name == "NewString" || has_char_array)
o.WriteLine ("\t\t[UnmanagedFunctionPointerAttribute (CallingConvention.Cdecl, CharSet=CharSet.Unicode)]");
o.Write (builder.ToString ());
}
static void WriteJniFunctionParameters(TextWriter o, JniFunction entry, bool generateParamsOverload)
{
o.Write("(");
for (int i = 0; i < entry.Parameters.Length; i++)
{
if (i > 0)
{
o.Write(", ");
}
if (!entry.Parameters [i].IsParamArray)
{
o.Write("{0} {1}", entry.Parameters [i].Type.ManagedType, Escape(entry.Parameters [i].Name));
}
else if (generateParamsOverload && i == entry.Parameters.Length - 1)
{
o.Write("{0} {1}", entry.Parameters [i].Type.ManagedType, Escape(entry.Parameters [i].Name));
}
else
{
o.Write("params {0} {1}", entry.Parameters [i].Type.ManagedType.Replace("*", "[]"), Escape(entry.Parameters [i].Name));
}
}
o.WriteLine(")");
}
static bool GenerateDefaultJavaInteropForwarder(TextWriter o, JniFunction entry, bool generateParamsOverload)
{
if (!useJavaInterop)
{
return(false);
}
switch (entry.Name)
{
// These must be hand-bound
case "GetBooleanArrayRegion":
case "GetJavaVM":
case "GetStringChars":
case "GetVersion":
case "RegisterNatives":
case "ReleaseStringChars":
case "SetBooleanArrayRegion":
return(true);
}
o.Write("\t\t{0} static unsafe {1} {2} ",
entry.Visibility,
entry.ReturnType.ManagedType,
entry.ApiName);
bool is_void = entry.ReturnType.ManagedType == "void";
var lastName = entry.Parameters.Length == 0
? ""
: entry.Parameters[entry.Parameters.Length - 1].Name;
WriteJniFunctionParameters(o, entry, generateParamsOverload);
o.WriteLine("\t\t{");
o.Write("\t\t\t");
if (!is_void)
{
o.Write("return ");
}
var n = entry.Name;
if (n.StartsWith("Call"))
{
n = n.TrimEnd(new[] { 'A' });
}
o.Write("JniEnvironment.{0}.{1} (", entry.DeclaringType, n);
for (int i = 0; i < entry.Parameters.Length; i++)
{
if (i > 0)
{
o.Write(", ");
}
if (entry.Parameters [i].Type.ManagedType.StartsWith("out "))
{
o.Write("out ");
}
if (entry.Parameters [i].Type.ManagedType == "JValue*")
{
o.Write("(JniArgumentValue*) " + Escape(entry.Parameters [i].Name));
}
else if (IsObjectReferenceType(entry.Parameters [i].Type))
{
o.Write(string.Format("new JniObjectReference ({0})", Escape(entry.Parameters [i].Name)));
}
else if (IsMemberID(entry.Parameters [i].Type))
{
string ctorFormat = null;
switch (entry.Parameters [i].Type.Type)
{
case "jfieldID": ctorFormat = "new JniFieldInfo ({0}, isStatic: false)"; break;
case "jmethodID": ctorFormat = "new JniMethodInfo ({0}, isStatic: false)"; break;
case "jstaticfieldID": ctorFormat = "new JniFieldInfo ({0}, isStatic: true)"; break;
case "jstaticmethodID": ctorFormat = "new JniMethodInfo ({0}, isStatic: true)"; break;
default:
throw new NotSupportedException("Don't know how to deal with: " + entry.Parameters [i].Type.Type);
}
o.Write(string.Format(ctorFormat, Escape(entry.Parameters [i].Name)));
}
else
{
o.Write(Escape(entry.Parameters [i].Name));
}
}
o.Write(")");
if (IsObjectReferenceType(entry.ReturnType))
{
o.Write(".Handle");
}
if (IsMemberID(entry.ReturnType))
{
o.Write(".ID");
}
o.WriteLine(";");
o.WriteLine("\t\t}");
if (!generateParamsOverload)
{
return(true);
}
o.WriteLine();
o.Write("\t\t{0} static {1}{2} {3} ",
entry.Visibility, "unsafe ", entry.ReturnType.ManagedType, entry.ApiName);
WriteJniFunctionParameters(o, entry, false);
o.WriteLine("\t\t{");
o.WriteLine("\t\t\tfixed (JValue* __p = {0}) {{", Escape(entry.Parameters [entry.Parameters.Length - 1].Name));
o.WriteLine("\t\t\t\t{0}{1} ({2}, __p);",
is_void ? "" : "return ",
entry.ApiName,
string.Join(", ", entry.Parameters.Take(entry.Parameters.Length - 1).Select(p => Escape(p.Name))));
o.WriteLine("\t\t\t}");
o.WriteLine("\t\t}");
return(true);
}
static void GenerateDefaultJniFunction(TextWriter o, JniFunction entry)
{
bool generateParamsOverload = entry.Parameters.Length > 1 &&
entry.Parameters [entry.Parameters.Length - 1].IsParamArray &&
entry.Parameters [entry.Parameters.Length - 1].Type.ManagedType == "JValue*";
if (GenerateDefaultJavaInteropForwarder(o, entry, generateParamsOverload))
{
return;
}
o.Write("\t\t{0} static {1}{2} {3} ",
entry.Visibility, generateParamsOverload ? "unsafe " : "", entry.ReturnType.ManagedType, entry.ApiName);
bool is_void = entry.ReturnType.ManagedType == "void";
var lastName = entry.Parameters.Length == 0
? ""
: entry.Parameters[entry.Parameters.Length - 1].Name;
WriteJniFunctionParameters(o, entry, generateParamsOverload);
o.WriteLine("\t\t{");
NullCheckParameters(o, entry.Parameters);
o.Write("\t\t\t");
if (!is_void)
{
o.Write("{0} tmp = ", entry.ReturnType.ManagedType);
}
o.Write("Env.{0} (Handle", entry.Name);
for (int i = 0; i < entry.Parameters.Length; i++)
{
o.Write(", ");
if (entry.Parameters [i].Type.ManagedType.StartsWith("out "))
{
o.Write("out ");
}
o.Write(Escape(entry.Parameters [i].Name));
}
o.WriteLine(");");
RaiseException(o, entry);
if (is_void)
{
}
else if (entry.ReturnType.ManagedType == "IntPtr" && entry.ReturnType.Type.StartsWith("j") && !entry.ReturnType.Type.EndsWith("ID"))
{
o.WriteLine("\t\t\treturn LogCreateLocalRef (tmp);");
}
else
{
o.WriteLine("\t\t\treturn tmp;");
}
o.WriteLine("\t\t}");
if (!generateParamsOverload)
{
return;
}
o.WriteLine();
o.Write("\t\t{0} static {1}{2} {3} ",
entry.Visibility, "unsafe ", entry.ReturnType.ManagedType, entry.ApiName);
WriteJniFunctionParameters(o, entry, false);
o.WriteLine("\t\t{");
o.WriteLine("\t\t\tfixed (JValue* __p = {0}) {{", Escape(entry.Parameters [entry.Parameters.Length - 1].Name));
o.WriteLine("\t\t\t\t{0}{1} ({2}, __p);",
is_void ? "" : "return ",
entry.ApiName,
string.Join(", ", entry.Parameters.Take(entry.Parameters.Length - 1).Select(p => Escape(p.Name))));
o.WriteLine("\t\t\t}");
o.WriteLine("\t\t}");
}
static string Initialize(JniFunction e, string prefix)
{
//return String.Format ("{2}{0} = GetDelegate<{1}>(JniEnv.{0});", e.Name, e.Delegate, prefix);
return(String.Format("{2}{0} = ({1}) Marshal.GetDelegateForFunctionPointer (JniEnv.{0}, typeof ({1}));", e.Name, e.Delegate, prefix));
}
static void WriteJniFunctionParameters(TextWriter o, JniFunction entry, bool generateParamsOverload)
{
o.Write ("(");
for (int i = 0; i < entry.Parameters.Length; i++) {
if (i > 0)
o.Write (", ");
if (!entry.Parameters [i].IsParamArray) {
o.Write ("{0} {1}", entry.Parameters [i].Type.ManagedType, Escape (entry.Parameters [i].Name));
} else if (generateParamsOverload && i == entry.Parameters.Length -1) {
o.Write ("{0} {1}", entry.Parameters [i].Type.ManagedType, Escape (entry.Parameters [i].Name));
} else {
o.Write ("params {0} {1}", entry.Parameters [i].Type.ManagedType.Replace ("*", "[]"), Escape (entry.Parameters [i].Name));
}
}
o.WriteLine (")");
}
static void RaiseException(TextWriter o, JniFunction entry)
{
if (!entry.Throws)
return;
o.WriteLine ();
o.WriteLine ("\t\t\tException __e = AndroidEnvironment.GetExceptionForLastThrowable ();");
o.WriteLine ("\t\t\tif (__e != null)");
o.WriteLine ("\t\t\t\tExceptionDispatchInfo.Capture (__e).Throw ();");
o.WriteLine ();
}
static string Initialize(JniFunction e, string prefix)
{
//return String.Format ("{2}{0} = GetDelegate<{1}>(JniEnv.{0});", e.Name, e.Delegate, prefix);
return String.Format ("{2}{0} = ({1}) Marshal.GetDelegateForFunctionPointer (JniEnv.{0}, typeof ({1}));", e.Name, e.Delegate, prefix);
}
static void GenerateDefaultJniFunction(TextWriter o, JniFunction entry)
{
bool generateParamsOverload = entry.Parameters.Length > 1 &&
entry.Parameters [entry.Parameters.Length-1].IsParamArray &&
entry.Parameters [entry.Parameters.Length-1].Type.ManagedType == "JValue*";
if (GenerateDefaultJavaInteropForwarder (o, entry, generateParamsOverload))
return;
o.Write ("\t\t{0} static {1}{2} {3} ",
entry.Visibility, generateParamsOverload ? "unsafe " : "", entry.ReturnType.ManagedType, entry.ApiName);
bool is_void = entry.ReturnType.ManagedType == "void";
var lastName = entry.Parameters.Length == 0
? ""
: entry.Parameters[entry.Parameters.Length - 1].Name;
WriteJniFunctionParameters (o, entry, generateParamsOverload);
o.WriteLine ("\t\t{");
NullCheckParameters (o, entry.Parameters);
o.Write ("\t\t\t");
if (!is_void)
o.Write ("{0} tmp = ", entry.ReturnType.ManagedType);
o.Write ("Env.{0} (Handle", entry.Name);
for (int i = 0; i < entry.Parameters.Length; i++) {
o.Write (", ");
if (entry.Parameters [i].Type.ManagedType.StartsWith ("out "))
o.Write ("out ");
o.Write (Escape (entry.Parameters [i].Name));
}
o.WriteLine (");");
RaiseException (o, entry);
if (is_void) {
}
else if (entry.ReturnType.ManagedType == "IntPtr" && entry.ReturnType.Type.StartsWith ("j") && !entry.ReturnType.Type.EndsWith ("ID")) {
o.WriteLine ("\t\t\treturn LogCreateLocalRef (tmp);");
} else {
o.WriteLine ("\t\t\treturn tmp;");
}
o.WriteLine ("\t\t}");
if (!generateParamsOverload)
return;
o.WriteLine ();
o.Write ("\t\t{0} static {1}{2} {3} ",
entry.Visibility, "unsafe ", entry.ReturnType.ManagedType, entry.ApiName);
WriteJniFunctionParameters (o, entry, false);
o.WriteLine ("\t\t{");
o.WriteLine ("\t\t\tfixed (JValue* __p = {0}) {{", Escape (entry.Parameters [entry.Parameters.Length-1].Name));
o.WriteLine ("\t\t\t\t{0}{1} ({2}, __p);",
is_void ? "" : "return ",
entry.ApiName,
string.Join (", ", entry.Parameters.Take (entry.Parameters.Length-1).Select (p => Escape (p.Name))));
o.WriteLine ("\t\t\t}");
o.WriteLine ("\t\t}");
}
static bool GenerateDefaultJavaInteropForwarder(TextWriter o, JniFunction entry, bool generateParamsOverload)
{
if (!useJavaInterop)
return false;
switch (entry.Name) {
// These must be hand-bound
case "GetBooleanArrayRegion":
case "GetJavaVM":
case "GetStringChars":
case "GetVersion":
case "RegisterNatives":
case "ReleaseStringChars":
case "SetBooleanArrayRegion":
return true;
}
o.Write ("\t\t{0} static unsafe {1} {2} ",
entry.Visibility,
entry.ReturnType.ManagedType,
entry.ApiName);
bool is_void = entry.ReturnType.ManagedType == "void";
var lastName = entry.Parameters.Length == 0
? ""
: entry.Parameters[entry.Parameters.Length - 1].Name;
WriteJniFunctionParameters (o, entry, generateParamsOverload);
o.WriteLine ("\t\t{");
o.Write ("\t\t\t");
if (!is_void)
o.Write ("return ");
var n = entry.Name;
if (n.StartsWith ("Call"))
n = n.TrimEnd (new[]{'A'});
o.Write ("JniEnvironment.{0}.{1} (", entry.DeclaringType, n);
for (int i = 0; i < entry.Parameters.Length; i++) {
if (i > 0)
o.Write (", ");
if (entry.Parameters [i].Type.ManagedType.StartsWith ("out "))
o.Write ("out ");
if (entry.Parameters [i].Type.ManagedType == "JValue*")
o.Write ("(JniArgumentValue*) " + Escape (entry.Parameters [i].Name));
else if (IsObjectReferenceType (entry.Parameters [i].Type))
o.Write (string.Format ("new JniObjectReference ({0})", Escape (entry.Parameters [i].Name)));
else if (IsMemberID (entry.Parameters [i].Type)) {
string ctorFormat = null;
switch (entry.Parameters [i].Type.Type) {
case "jfieldID": ctorFormat = "new JniFieldInfo ({0}, isStatic: false)"; break;
case "jmethodID": ctorFormat = "new JniMethodInfo ({0}, isStatic: false)"; break;
case "jstaticfieldID": ctorFormat = "new JniFieldInfo ({0}, isStatic: true)"; break;
case "jstaticmethodID": ctorFormat = "new JniMethodInfo ({0}, isStatic: true)"; break;
default:
throw new NotSupportedException ("Don't know how to deal with: " + entry.Parameters [i].Type.Type);
}
o.Write (string.Format (ctorFormat, Escape (entry.Parameters [i].Name)));
}
else
o.Write (Escape (entry.Parameters [i].Name));
}
o.Write (")");
if (IsObjectReferenceType (entry.ReturnType))
o.Write (".Handle");
if (IsMemberID (entry.ReturnType))
o.Write (".ID");
o.WriteLine (";");
o.WriteLine ("\t\t}");
if (!generateParamsOverload)
return true;
o.WriteLine ();
o.Write ("\t\t{0} static {1}{2} {3} ",
entry.Visibility, "unsafe ", entry.ReturnType.ManagedType, entry.ApiName);
WriteJniFunctionParameters (o, entry, false);
o.WriteLine ("\t\t{");
o.WriteLine ("\t\t\tfixed (JValue* __p = {0}) {{", Escape (entry.Parameters [entry.Parameters.Length-1].Name));
o.WriteLine ("\t\t\t\t{0}{1} ({2}, __p);",
is_void ? "" : "return ",
entry.ApiName,
string.Join (", ", entry.Parameters.Take (entry.Parameters.Length-1).Select (p => Escape (p.Name))));
o.WriteLine ("\t\t\t}");
o.WriteLine ("\t\t}");
return true;
}
