X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=gen_type_mapping.py;h=371868f98faeb9a51b2cb37dbea3098925d50459;hb=e779be340c599055d6af50e66b7c7163009e4306;hp=d78057b6a3a29acba9b18c57ead2ba7cba5b1ff1;hpb=6884c87ff29249df35c246e86e4d6e38bc930d34;p=ldk-java diff --git a/gen_type_mapping.py b/gen_type_mapping.py index d78057b6..371868f9 100644 --- a/gen_type_mapping.py +++ b/gen_type_mapping.py @@ -2,11 +2,10 @@ from bindingstypes import ConvInfo class TypeMappingGenerator: - def __init__(self, java_c_types, consts, c_array_class_caches, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types): + def __init__(self, java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types): # trick our way around circular imports self.java_c_types = java_c_types self.consts = consts - self.c_array_class_caches = c_array_class_caches self.opaque_structs = opaque_structs self.clone_fns = clone_fns self.unitary_enums = unitary_enums @@ -17,7 +16,8 @@ class TypeMappingGenerator: def map_type(self, fn_arg, print_void, ret_arr_len, is_free, holds_ref): ty_info = self.java_c_types(fn_arg, ret_arr_len) - return self.map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref) + mapped_info = self.map_type_with_info(ty_info, print_void, ret_arr_len, is_free, holds_ref) + return mapped_info def map_type_with_info(self, ty_info, print_void, ret_arr_len, is_free, holds_ref): if ty_info.c_ty == "void": @@ -119,26 +119,21 @@ class TypeMappingGenerator: ret_conv = (ty_info.rust_obj + " " + arr_name + "_var = ", "") if subty.ret_conv is None: ret_conv = ("DUMMY", "DUMMY") - elif not ty_info.java_ty[:len(ty_info.java_ty) - 2].endswith("[]"): + else: ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = " + self.consts.create_native_arr_call(arr_name + "_var." + arr_len, ty_info) + ";\n") - ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + self.consts.get_native_arr_ptr_call[0] + arr_name + "_arr" + self.consts.get_native_arr_ptr_call[1] + ";\n") + get_ptr_call = self.consts.get_native_arr_ptr_call(ty_info) + if get_ptr_call is not None: + ret_conv = (ret_conv[0], ret_conv[1] + subty.c_ty + " *" + arr_name + "_arr_ptr = " + get_ptr_call[0] + arr_name + "_arr" + get_ptr_call[1] + ";\n") ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n") ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t")) ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}") - cleanup = self.consts.release_native_arr_ptr_call(arr_name + "_arr", arr_name + "_arr_ptr") + if get_ptr_call is not None: + ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + arr_name + "_arr_ptr[" + idxc + "] = " + subty.ret_conv_name + ";\n}") + else: + ret_conv = (ret_conv[0], ret_conv[1] + "\n\t" + self.consts.get_native_arr_entry_call(ty_info, arr_name + "_arr", idxc, subty.ret_conv_name) + ";\n}") + cleanup = self.consts.release_native_arr_ptr_call(ty_info, arr_name + "_arr", arr_name + "_arr_ptr") if cleanup is not None: ret_conv = (ret_conv[0], ret_conv[1] + "\n" + cleanup + ";") - else: - assert ty_info.java_fn_ty_arg.startswith("[") - clz_var = ty_info.java_fn_ty_arg[1:].replace("[", "arr_of_") - self.c_array_class_caches.add(clz_var) - ret_conv = (ret_conv[0], ";\n" + ty_info.c_ty + " " + arr_name + "_arr = (*env)->NewObjectArray(env, " + arr_name + "_var." + arr_len + ", " + clz_var + "_clz, NULL);\n") - ret_conv = (ret_conv[0], ret_conv[1] + "for (size_t " + idxc + " = 0; " + idxc + " < " + arr_name + "_var." + arr_len + "; " + idxc + "++) {\n") - ret_conv = (ret_conv[0], ret_conv[1] + "\t" + subty.ret_conv[0].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + arr_name + "_var." + ty_info.arr_access + "[" + idxc + "]" + subty.ret_conv[1].replace("\n", "\n\t")) - ret_conv = (ret_conv[0], ret_conv[1] + "\n\t(*env)->SetObjectArrayElement(env, " + arr_name + "_arr, " + idxc + ", " + subty.ret_conv_name + ");\n") - ret_conv = (ret_conv[0], ret_conv[1] + "}") if not holds_ref: # XXX: The commented if's are a bit smarter freeing, but we need to be a nudge smarter still # Note that we don't drop the full vec here - we're passing ownership to java (or have cloned) or free'd by now! @@ -173,17 +168,15 @@ class TypeMappingGenerator: if ty_info.arr_access is None: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, - ret_conv = ("jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, ", ");"), ret_conv_name = ty_info.var_name + "_conv", + ret_conv = ("const char* " + ty_info.var_name + "_str = ", + ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str", "strlen(" + ty_info.var_name + "_str)") + ";"), + ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) else: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, ret_conv = ("LDKStr " + ty_info.var_name + "_str = ", - ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" + - "memcpy(" + ty_info.var_name + "_buf, " + ty_info.var_name + "_str." + ty_info.arr_access + ", " + ty_info.var_name + "_str." + ty_info.arr_len + ");\n" + - ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" + - "jstring " + ty_info.var_name + "_conv = (*env)->NewStringUTF(env, " + ty_info.var_name + "_str." + ty_info.arr_access + ");\n" + - "FREE(" + ty_info.var_name + "_buf);"), + ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str." + ty_info.arr_access, ty_info.var_name + "_str." + ty_info.arr_len) + ";"), ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) elif ty_info.var_name == "" and not print_void: # We don't have a parameter name, and want one, just call it arg @@ -243,7 +236,6 @@ class TypeMappingGenerator: arg_conv = opaque_arg_conv, arg_conv_name = "&" + ty_info.var_name + "_conv", arg_conv_cleanup = None, ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = *", opaque_ret_conv_suf), ret_conv_name = ty_info.var_name + "_ref", - # to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", to_hu_conv = self.consts.to_hu_conv_templates['ptr'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name), to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) @@ -252,7 +244,6 @@ class TypeMappingGenerator: arg_conv = opaque_arg_conv, arg_conv_name = ty_info.var_name + "_conv", arg_conv_cleanup = None, ret_conv = (ty_info.rust_obj + " " + ty_info.var_name + "_var = ", opaque_ret_conv_suf), ret_conv_name = ty_info.var_name + "_ref", - # to_hu_conv = ty_info.java_hu_ty + " " + ty_info.var_name + "_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");", to_hu_conv = self.consts.to_hu_conv_templates['default'].replace('{human_type}', ty_info.java_hu_ty).replace('{var_name}', ty_info.var_name), to_hu_conv_name = ty_info.var_name + "_hu_conv", from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr & ~1", "this.ptrs_to.add(" + ty_info.var_name + ")")) @@ -274,12 +265,9 @@ class TypeMappingGenerator: if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns: base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone(" + ty_info.var_name + ");" else: - base_conv = 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}" + base_conv = base_conv + self.consts.trait_struct_inc_refcnt(ty_info) if needs_full_clone: base_conv = base_conv + "// Warning: we may need a move here but can't do a full clone!\n" - else: base_conv = base_conv + "\n" + "FREE((void*)" + ty_info.var_name + ");" return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, @@ -289,10 +277,18 @@ class TypeMappingGenerator: to_hu_conv = ty_info.java_hu_ty + " ret_hu_conv = new " + ty_info.java_hu_ty + "(null, " + ty_info.var_name + ");\nret_hu_conv.ptrs_to.add(this);", to_hu_conv_name = "ret_hu_conv", from_hu_conv = (ty_info.var_name + " == null ? 0 : " + ty_info.var_name + ".ptr", "this.ptrs_to.add(" + ty_info.var_name + ")")) - if ty_info.rust_obj != "LDKu8slice": + needs_full_clone = not is_free and (not ty_info.is_ptr and not holds_ref or ty_info.requires_clone == True) and ty_info.requires_clone != False + if needs_full_clone: + if not ty_info.var_name.startswith("ret") or "res" in ty_info.var_name: # XXX: This is a stupid hack + needs_full_clone = False + if needs_full_clone and (ty_info.rust_obj.replace("LDK", "") + "_clone") in self.clone_fns: + base_conv = base_conv + "\n" + ty_info.var_name + "_conv = " + ty_info.rust_obj.replace("LDK", "") + "_clone((" + ty_info.rust_obj + "*)" + ty_info.var_name + ");" + elif needs_full_clone: + base_conv = base_conv + "\n// Warning: we may need a move here but can't do a full clone!" + if not needs_full_clone and ty_info.rust_obj != "LDKu8slice": # Don't bother free'ing slices passed in - Rust doesn't auto-free the # underlying unlike Vecs, and it gives Java more freedom. - base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");"; + base_conv = base_conv + "\nFREE((void*)" + ty_info.var_name + ");" if ty_info.rust_obj in self.complex_enums: ret_conv = ("long " + ty_info.var_name + "_ref = (long)&", ";") if not holds_ref: