Add workarounds for Android JNI quirks

[ldk-java] / genbindings.py

diff --git a/genbindings.py b/genbindings.py
index acc757b19b89cd71792805f3c6b611695fd5db33..be4bc64ef4c29221f2aac10a5b50413768c722b5 100755 (executable)
--- a/genbindings.py
+++ b/genbindings.py
@@ -14,8 +14,12 @@ else:
     sys.exit(1)
 
 target = None
-if sys.argv[6] == "java":
+if sys.argv[6] == "java" or sys.argv[6] == "android":
+    import java_strings
     from java_strings import Consts
+    target = java_strings.Target.JAVA
+    if sys.argv[6] == "android":
+        target = java_strings.Target.ANDROID
 elif sys.argv[6] == "typescript":
     import typescript_strings
     from typescript_strings import Consts
@@ -426,8 +430,13 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
         else:
             write_c(out_c_delta)
 
+        out_java_struct = None
         if ("LDK" + struct_meth in opaque_structs or "LDK" + struct_meth in trait_structs) and not is_free:
             out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
+        elif method_name.startswith("C2Tuple_") and method_name.endswith("_read"):
+            struct_meth = method_name.rsplit("_", 1)[0]
+            out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
+        if out_java_struct is not None:
             out_java_struct.write(out_java_struct_delta)
 
     def map_unitary_enum(struct_name, field_lines):
@@ -592,7 +601,7 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
                 if res_map.from_hu_conv is not None:
                     out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
                     if res_map.from_hu_conv[1] != "":
-                        out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
+                        out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1].replace("\n", "\n\t\t\t") + ";\n")
                 else:
                     out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
             out_java_struct.write("\t\t}\n\t}\n\n")
@@ -630,7 +639,7 @@ with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
                 if err_map.from_hu_conv is not None:
                     out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(" + err_map.from_hu_conv[0] + "));\n")
                     if err_map.from_hu_conv[1] != "":
-                        out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1] + ";\n")
+                        out_java_struct.write("\t\t\t" + err_map.from_hu_conv[1].replace("\n", "\n\t\t\t") + ";\n")
                 else:
                     out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_err(err));\n")
             out_java_struct.write("\t\t}\n\t}\n}\n")
@@ -905,3 +914,5 @@ with open(sys.argv[4], "w") as out_c:
     out_c.write(consts.c_file_pfx)
     out_c.write(consts.init_str())
     out_c.write(c_file)
+with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
+    util.write(consts.util_fn_sfx)