More TS C trait conversion + drop unused get_obj_from_jcalls

[ldk-java] / java_strings.py

diff --git a/java_strings.py b/java_strings.py
index c9a32171b738c289cf645c57781ffbffe2366966..516c15e282e0c2790b2011380bfa51cfac2ecec5 100644 (file)
--- a/java_strings.py
+++ b/java_strings.py
@@ -1,13 +1,13 @@
 from bindingstypes import *
 
 class Consts:
-    def __init__(self, DEBUG):
+    def __init__(self, DEBUG: bool, **kwargs):
 
         self.c_type_map = dict(
             uint8_t = ['byte'],
             uint16_t = ['short'],
             uint32_t = ['int'],
-            long = ['long'],
+            uint64_t = ['long'],
         )
 
         self.to_hu_conv_templates = dict(
@@ -15,6 +15,40 @@ class Consts:
             default = '{human_type} {var_name}_hu_conv = new {human_type}(null, {var_name});'
         )
 
+        self.bindings_header = """package org.ldk.impl;
+import org.ldk.enums.*;
+
+public class bindings {
+       public static class VecOrSliceDef {
+               public long dataptr;
+               public long datalen;
+               public long stride;
+               public VecOrSliceDef(long dataptr, long datalen, long stride) {
+                       this.dataptr = dataptr; this.datalen = datalen; this.stride = stride;
+               }
+       }
+       static {
+               System.loadLibrary(\"lightningjni\");
+               init(java.lang.Enum.class, VecOrSliceDef.class);
+               init_class_cache();
+       }
+       static native void init(java.lang.Class c, java.lang.Class slicedef);
+       static native void init_class_cache();
+
+       public static native boolean deref_bool(long ptr);
+       public static native long deref_long(long ptr);
+       public static native void free_heap_ptr(long ptr);
+       public static native byte[] read_bytes(long ptr, long len);
+       public static native byte[] get_u8_slice_bytes(long slice_ptr);
+       public static native long bytes_to_u8_vec(byte[] bytes);
+       public static native long new_txpointer_copy_data(byte[] txdata);
+       public static native void txpointer_free(long ptr);
+       public static native byte[] txpointer_get_buffer(long ptr);
+       public static native long vec_slice_len(long vec);
+       public static native long new_empty_slice_vec();
+
+"""
+
         self.common_base = """package org.ldk.structs;
 import java.util.LinkedList;
 class CommonBase {
@@ -511,7 +545,6 @@ import java.util.Arrays;
             else:
                 out_java = out_java + ", " + var[0] + " " + var[1]
         out_java = out_java + ");\n"
-        out_java = out_java + "\tpublic static native " + struct_name + " " + struct_name + "_get_obj_from_jcalls(long val);\n"
 
         # Now that we've written out our java code (and created java_meths), generate C
         out_c = "typedef struct " + struct_name + "_JCalls {\n"
@@ -660,14 +693,14 @@ import java.util.Arrays;
         out_c = out_c + "\treturn (long)res_ptr;\n"
         out_c = out_c + "}\n"
 
-        out_c = out_c + self.c_fn_ty_pfx + "jobject " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1get_1obj_1from_1jcalls (" + self.c_fn_args_pfx + ", " + self.ptr_c_ty + " val) {\n"
-        out_c = out_c + "\tjobject ret = (*env)->NewLocalRef(env, ((" + struct_name + "_JCalls*)val)->o);\n"
-        out_c = out_c + "\tCHECK(ret != NULL);\n"
-        out_c = out_c + "\treturn ret;\n"
-        out_c = out_c + "}\n"
-
         return (out_java, out_java_trait, out_c)
 
+    def trait_struct_inc_refcnt(self, ty_info):
+        base_conv = "\nif (" + ty_info.var_name + "_conv.free == " + ty_info.rust_obj + "_JCalls_free) {\n"
+        base_conv = base_conv + "\t// If this_arg is a JCalls struct, then we need to increment the refcnt in it.\n"
+        base_conv = base_conv + "\t" + ty_info.rust_obj + "_JCalls_clone(" + ty_info.var_name + "_conv.this_arg);\n}"
+        return base_conv
+
     def map_complex_enum(self, struct_name, variant_list, camel_to_snake):
         java_hu_type = struct_name.replace("LDK", "")
         out_java_enum = ""
@@ -751,3 +784,21 @@ import java.util.Arrays;
         out_c += ("\t}\n}\n")
         out_java_enum += ("}\n")
         return (out_java, out_java_enum, out_c)
+
+    def map_opaque_struct(self, struct_name):
+        out_opaque_struct_human = ""
+        out_opaque_struct_human += self.hu_struct_file_prefix
+        out_opaque_struct_human += ("public class " + struct_name.replace("LDK","") + " extends CommonBase")
+        if struct_name.startswith("LDKLocked"):
+            out_opaque_struct_human += (" implements AutoCloseable")
+        out_opaque_struct_human += (" {\n")
+        out_opaque_struct_human += ("\t" + struct_name.replace("LDK", "") + "(Object _dummy, long ptr) { super(ptr); }\n")
+        if struct_name.startswith("LDKLocked"):
+            out_opaque_struct_human += ("\t@Override public void close() {\n")
+        else:
+            out_opaque_struct_human += ("\t@Override @SuppressWarnings(\"deprecation\")\n")
+            out_opaque_struct_human += ("\tprotected void finalize() throws Throwable {\n")
+            out_opaque_struct_human += ("\t\tsuper.finalize();\n")
+        out_opaque_struct_human += ("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); }\n")
+        out_opaque_struct_human += ("\t}\n\n")
+        return out_opaque_struct_human