Take into consideration generic definitions

src/main/java/io/github/lonamiwebs/overgram/generator/Generator.java

@@ -77,7 +77,7 @@ public class Generator {
                 writer.write(" {\n");
 
                 for (int i = 0; i < object.args.size(); ++i) {
-                    if (object.args.get(i).flags) {
+                    if (object.args.get(i).genericDefinition || object.args.get(i).flags) {
                         continue;
                     }
                     writer.write("private ");
@@ -109,7 +109,7 @@ public class Generator {
     private static void writeSerialize(final Writer writer, final TLObject object) throws IOException {
         writer.write("public void serialize(final BinaryWriter writer) {\n");
         for (final TLArg arg : object.args) {
-            if (arg.flags) {
+            if (!arg.genericDefinition && arg.flags) {
                 writer.write("int ");
                 writer.write(arg.name);
                 writer.write(" = 0;\n");
@@ -117,7 +117,7 @@ public class Generator {
         }
         for (int i = 0; i < object.args.size(); ++i) {
             final TLArg arg = object.args.get(i);
-            if (arg.flag != null) {
+            if (!arg.genericDefinition && arg.flag != null) {
                 writer.write("if (" + VARIABLE_SUFFIX + i);
                 writer.write(arg.javaSetCheck());
                 writer.write(") { ");
@@ -128,6 +128,9 @@ public class Generator {
         }
         for (int i = 0; i < object.args.size(); ++i) {
             final TLArg arg = object.args.get(i);
+            if (arg.genericDefinition) {
+                continue;
+            }
             if (arg.flag != null) {
                 writer.write("if (" + VARIABLE_SUFFIX + i);
                 writer.write(arg.javaSetCheck());
@@ -153,6 +156,9 @@ public class Generator {
         writer.write("public void deserialize(final BinaryReader reader) {\n");
         for (int i = 0; i < object.args.size(); ++i) {
             final TLArg arg = object.args.get(i);
+            if (arg.genericDefinition) {
+                continue;
+            }
             if (arg.flags) {
                 writer.write("int ");
                 writer.write(arg.name);

src/main/java/io/github/lonamiwebs/overgram/parser/TLArg.java

@@ -8,17 +8,27 @@ public class TLArg {
     public final List<String> types;
     public final boolean flags;
     public final Flag flag;
+    public final boolean genericDefinition;
 
-    private TLArg(final String name, final List<String> types, final boolean flags, final Flag flag) {
+    private TLArg(final String name, final List<String> types, final boolean flags, final Flag flag,
+                  final boolean genericDefinition) {
         this.name = name;
         this.types = types;
         this.flags = flags;
         this.flag = flag;
+        this.genericDefinition = genericDefinition;
     }
 
     public static TLArg fromString(String string) {
         final String[] tmp = string.split(":");
 
+        boolean genericDefinition = false;
+        if (tmp[1].equals("Type}")) {
+            tmp[1] = tmp[1].substring(0, tmp[1].length() - 1);
+            tmp[0] = tmp[0].substring(1);
+            genericDefinition = true;
+        }
+
         boolean flags = false;
         if (tmp[1].equals("#")) {
             tmp[1] = "";
@@ -40,7 +50,7 @@ public class TLArg {
         }
         types.add(tmp[1]);
 
-        return new TLArg(tmp[0], types, flags, flag);
+        return new TLArg(tmp[0], types, flags, flag, genericDefinition);
     }
 
     public String javaType() {
@@ -48,6 +58,13 @@ public class TLArg {
 
         boolean nested = false;
         for (final String type : types) {
+            if (type.startsWith("!")) {
+                if (nested) {
+                    throw new UnsupportedOperationException();
+                }
+                return "TLObject";
+            }
+
             switch (type) {
                 case "vector":
                 case "Vector":
@@ -117,6 +134,9 @@ public class TLArg {
     @Override
     public String toString() {
         final StringBuilder builder = new StringBuilder();
+        if (genericDefinition) {
+            builder.append('{');
+        }
         builder.append(name);
         builder.append(':');
         if (flag != null) {
@@ -134,6 +154,9 @@ public class TLArg {
                 builder.append('>');
             }
         }
+        if (genericDefinition) {
+            builder.append('}');
+        }
 
         return builder.toString();
     }