"""
+ self.bindings_footer = "}\n"
+
self.common_base = """package org.ldk.structs;
import java.util.LinkedList;
class CommonBase {
#include <string.h>
#include <stdatomic.h>
#include <stdlib.h>
+
"""
if not DEBUG:
typedef jlongArray int64_tArray;
typedef jbyteArray int8_tArray;
+static inline jstring str_ref_to_java(JNIEnv *env, const char* chars, size_t len) {
+ // Sadly we need to create a temporary because Java can't accept a char* without a 0-terminator
+ char* err_buf = MALLOC(len + 1, "str conv buf");
+ memcpy(err_buf, chars, len);
+ err_buf[len] = 0;
+ jstring err_conv = (*env)->NewStringUTF(env, chars);
+ FREE(err_buf);
+ return err_conv;
+}
"""
self.hu_struct_file_prefix = """package org.ldk.structs;
@SuppressWarnings("unchecked") // We correctly assign various generic arrays
"""
self.c_fn_ty_pfx = "JNIEXPORT "
- self.c_fn_name_pfx = "JNICALL Java_org_ldk_impl_bindings_"
self.c_fn_args_pfx = "JNIEnv *env, jclass clz"
self.file_ext = ".java"
self.ptr_c_ty = "int64_t"
self.ptr_native_ty = "long"
self.result_c_ty = "jclass"
- self.owned_str_to_c_call = ("(*env)->NewStringUTF(env, ", ")")
self.ptr_arr = "jobjectArray"
self.get_native_arr_len_call = ("(*env)->GetArrayLength(env, ", ")")
else:
return "(*env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements(env, " + arr_name + ", " + dest_name + ", 0)"
+ def str_ref_to_c_call(self, var_name, str_len):
+ return "str_ref_to_java(env, " + var_name + ", " + str_len + ")"
+
+ def c_fn_name_define_pfx(self, fn_name, has_args):
+ if has_args:
+ return "JNICALL Java_org_ldk_impl_bindings_" + fn_name.replace("_", "_1") + "(JNIEnv *env, jclass clz, "
+ return "JNICALL Java_org_ldk_impl_bindings_" + fn_name.replace("_", "_1") + "(JNIEnv *env, jclass clz"
+
def init_str(self):
res = ""
for ty in self.c_array_class_caches:
out_c = out_c + "\treturn ret;\n"
out_c = out_c + "}\n"
- out_c = out_c + self.c_fn_ty_pfx + "long " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1new (" + self.c_fn_args_pfx + ", jobject o"
+ out_c = out_c + self.c_fn_ty_pfx + "long " + self.c_fn_name_define_pfx(struct_name + "_new", True) + "jobject o"
for var in field_vars:
if isinstance(var, ConvInfo):
out_c = out_c + ", " + var.c_ty + " " + var.arg_name
out_c += (self.c_complex_enum_pfx(struct_name, [x.var_name for x in variant_list], init_meth_jty_strs))
- out_c += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + " " + self.c_fn_name_pfx + struct_name.replace("_", "_1") + "_1ref_1from_1ptr (" + self.c_fn_args_pfx + ", " + self.ptr_c_ty + " ptr) {\n")
+ out_c += (self.c_fn_ty_pfx + self.c_complex_enum_pass_ty(struct_name) + " " + self.c_fn_name_define_pfx(struct_name + "_ref_from_ptr", True) + self.ptr_c_ty + " ptr) {\n")
out_c += ("\t" + struct_name + " *obj = (" + struct_name + "*)ptr;\n")
out_c += ("\tswitch(obj->tag) {\n")
for var in variant_list:
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
+
+
+ def map_function(self, argument_types, c_call_string, is_free, method_name, return_type_info, struct_meth, default_constructor_args, takes_self, args_known, has_out_java_struct: bool, type_mapping_generator):
+ out_java = ""
+ out_c = ""
+ out_java_struct = None
+
+ out_java += ("\tpublic static native ")
+ out_c += (self.c_fn_ty_pfx)
+ out_c += (return_type_info.c_ty)
+ out_java += (return_type_info.java_ty)
+ if return_type_info.ret_conv is not None:
+ ret_conv_pfx, ret_conv_sfx = return_type_info.ret_conv
+ out_java += (" " + method_name + "(")
+ have_args = len(argument_types) > 1 or (len(argument_types) > 0 and argument_types[0].c_ty != "void")
+ out_c += (" " + self.c_fn_name_define_pfx(method_name, have_args))
+
+ for idx, arg_conv_info in enumerate(argument_types):
+ if idx != 0:
+ out_java += (", ")
+ out_c += (", ")
+ if arg_conv_info.c_ty != "void":
+ out_c += (arg_conv_info.c_ty + " " + arg_conv_info.arg_name)
+ out_java += (arg_conv_info.java_ty + " " + arg_conv_info.arg_name)
+
+ if has_out_java_struct:
+ out_java_struct = ""
+ if not args_known:
+ out_java_struct += ("\t// Skipped " + method_name + "\n")
+ has_out_java_struct = False
+ else:
+ meth_n = method_name[len(struct_meth) + 1:]
+ if not takes_self:
+ out_java_struct += (
+ "\tpublic static " + return_type_info.java_hu_ty + " constructor_" + meth_n + "(")
+ else:
+ out_java_struct += ("\tpublic " + return_type_info.java_hu_ty + " " + meth_n + "(")
+ for idx, arg in enumerate(argument_types):
+ if idx != 0:
+ if not takes_self or idx > 1:
+ out_java_struct += (", ")
+ elif takes_self:
+ continue
+ if arg.java_ty != "void":
+ if arg.arg_name in default_constructor_args:
+ for explode_idx, explode_arg in enumerate(default_constructor_args[arg.arg_name]):
+ if explode_idx != 0:
+ out_java_struct += (", ")
+ out_java_struct += (
+ explode_arg.java_hu_ty + " " + arg.arg_name + "_" + explode_arg.arg_name)
+ else:
+ out_java_struct += (arg.java_hu_ty + " " + arg.arg_name)
+ out_java += (");\n")
+ out_c += (") {\n")
+ if out_java_struct is not None:
+ out_java_struct += (") {\n")
+ for info in argument_types:
+ if info.arg_conv is not None:
+ out_c += ("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
+ if return_type_info.ret_conv is not None:
+ out_c += ("\t" + ret_conv_pfx.replace('\n', '\n\t'))
+ elif return_type_info.c_ty != "void":
+ out_c += ("\t" + return_type_info.c_ty + " ret_val = ")
+ else:
+ out_c += ("\t")
+ if c_call_string is None:
+ out_c += (method_name + "(")
+ else:
+ out_c += (c_call_string)
+ for idx, info in enumerate(argument_types):
+ if info.arg_conv_name is not None:
+ if idx != 0:
+ out_c += (", ")
+ elif c_call_string is not None:
+ continue
+ out_c += (info.arg_conv_name)
+ out_c += (")")
+ if return_type_info.ret_conv is not None:
+ out_c += (ret_conv_sfx.replace('\n', '\n\t'))
+ else:
+ out_c += (";")
+ for info in argument_types:
+ if info.arg_conv_cleanup is not None:
+ out_c += ("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
+ if return_type_info.ret_conv is not None:
+ out_c += ("\n\treturn " + return_type_info.ret_conv_name + ";")
+ elif return_type_info.c_ty != "void":
+ out_c += ("\n\treturn ret_val;")
+ out_c += ("\n}\n\n")
+
+ if has_out_java_struct:
+ out_java_struct += ("\t\t")
+ if return_type_info.java_ty != "void":
+ out_java_struct += (return_type_info.java_ty + " ret = ")
+ out_java_struct += ("bindings." + method_name + "(")
+ for idx, info in enumerate(argument_types):
+ if idx != 0:
+ out_java_struct += (", ")
+ if idx == 0 and takes_self:
+ out_java_struct += ("this.ptr")
+ elif info.arg_name in default_constructor_args:
+ out_java_struct += ("bindings." + info.java_hu_ty + "_new(")
+ for explode_idx, explode_arg in enumerate(default_constructor_args[info.arg_name]):
+ if explode_idx != 0:
+ out_java_struct += (", ")
+ expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
+ if explode_arg.from_hu_conv is not None:
+ out_java_struct += (
+ explode_arg.from_hu_conv[0].replace(explode_arg.arg_name, expl_arg_name))
+ else:
+ out_java_struct += (expl_arg_name)
+ out_java_struct += (")")
+ elif info.from_hu_conv is not None:
+ out_java_struct += (info.from_hu_conv[0])
+ else:
+ out_java_struct += (info.arg_name)
+ out_java_struct += (");\n")
+ if return_type_info.to_hu_conv is not None:
+ if not takes_self:
+ out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t").replace("this",
+ return_type_info.to_hu_conv_name) + "\n")
+ else:
+ out_java_struct += ("\t\t" + return_type_info.to_hu_conv.replace("\n", "\n\t\t") + "\n")
+
+ for idx, info in enumerate(argument_types):
+ if idx == 0 and takes_self:
+ pass
+ elif info.arg_name in default_constructor_args:
+ for explode_arg in default_constructor_args[info.arg_name]:
+ expl_arg_name = info.arg_name + "_" + explode_arg.arg_name
+ if explode_arg.from_hu_conv is not None and return_type_info.to_hu_conv_name:
+ out_java_struct += ("\t\t" + explode_arg.from_hu_conv[1].replace(explode_arg.arg_name,
+ expl_arg_name).replace(
+ "this", return_type_info.to_hu_conv_name) + ";\n")
+ elif info.from_hu_conv is not None and info.from_hu_conv[1] != "":
+ if not takes_self and return_type_info.to_hu_conv_name is not None:
+ out_java_struct += (
+ "\t\t" + info.from_hu_conv[1].replace("this", return_type_info.to_hu_conv_name) + ";\n")
+ else:
+ out_java_struct += ("\t\t" + info.from_hu_conv[1] + ";\n")
+
+ if return_type_info.to_hu_conv_name is not None:
+ out_java_struct += ("\t\treturn " + return_type_info.to_hu_conv_name + ";\n")
+ elif return_type_info.java_ty != "void" and return_type_info.rust_obj != "LDK" + struct_meth:
+ out_java_struct += ("\t\treturn ret;\n")
+ out_java_struct += ("\t}\n\n")
+
+ return (out_java, out_c, out_java_struct)
projects / ldk-java / blobdiff