#!/usr/bin/env python3
-import sys, re
+import os, sys, re, subprocess
-if len(sys.argv) != 3:
- print("USAGE: /path/to/lightning.h /path/to/bindings.java")
+if len(sys.argv) < 7:
+ print("USAGE: /path/to/lightning.h /path/to/bindings/output /path/to/bindings/ /path/to/bindings/output.c debug lang")
sys.exit(1)
-with open(sys.argv[1]) as f, open(sys.argv[2], "w") as out_f:
- var_is_arr_regex = re.compile("\(\*([A-za-z_]*)\)\[[0-9]*\]");
- def map_type(fn_arg, print_void):
- fn_arg = fn_arg.strip()
- if fn_arg.startswith("MUST_USE_RES "):
- fn_arg = fn_arg[13:]
- if fn_arg.startswith("const "):
- fn_arg = fn_arg[6:]
- if fn_arg.startswith("void"):
- if print_void:
- out_f.write("void")
+if sys.argv[5] == "false":
+ DEBUG = False
+elif sys.argv[5] == "true":
+ DEBUG = True
+else:
+ print("debug should be true or false and indicates whether to track allocations and ensure we don't leak")
+ sys.exit(1)
+
+target = None
+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
+ target = typescript_strings.Target.NODEJS
+ if len(sys.argv) == 8 and sys.argv[7] == 'browser':
+ target = typescript_strings.Target.BROWSER
+else:
+ print("Only java or typescript can be set for lang")
+ sys.exit(1)
+
+
+consts = Consts(DEBUG, target=target)
+
+local_git_version = os.getenv("LDK_GARBAGECOLLECTED_GIT_OVERRIDE")
+if local_git_version is None:
+ local_git_version = subprocess.check_output(["git", "describe", '--tag', '--dirty']).decode("utf-8").strip()
+
+from bindingstypes import *
+
+c_file = ""
+def write_c(s):
+ global c_file
+ c_file += s
+
+def camel_to_snake(s):
+ # Convert camel case to snake case, in a way that appears to match cbindgen
+ con = "_"
+ ret = ""
+ lastchar = ""
+ lastund = False
+ for char in s:
+ if lastchar.isupper():
+ if not char.isupper() and not lastund:
+ ret = ret + "_"
+ lastund = True
+ else:
+ lastund = False
+ ret = ret + lastchar.lower()
+ else:
+ ret = ret + lastchar
+ if char.isupper() and not lastund:
+ ret = ret + "_"
+ lastund = True
else:
- return
- fn_arg = fn_arg.strip("void ")
- elif fn_arg.startswith("bool"):
- out_f.write("boolean")
- fn_arg = fn_arg.strip("bool ")
- elif fn_arg.startswith("uint8_t"):
- out_f.write("byte")
- fn_arg = fn_arg.strip("uint8_t ")
- elif fn_arg.startswith("uint32_t"):
- out_f.write("int")
- fn_arg = fn_arg.strip("uint32_t ")
- elif fn_arg.startswith("uint64_t"):
- out_f.write("long")
- fn_arg = fn_arg.strip("uint64_t ")
+ lastund = False
+ lastchar = char
+ if char.isnumeric():
+ lastund = True
+ return (ret + lastchar.lower()).strip("_")
+
+unitary_enums = set()
+complex_enums = set()
+opaque_structs = set()
+trait_structs = {}
+result_types = set()
+tuple_types = {}
+
+var_is_arr_regex = re.compile("\(\*([A-za-z0-9_]*)\)\[([a-z0-9]*)\]")
+var_ty_regex = re.compile("([A-za-z_0-9]*)(.*)")
+java_c_types_none_allowed = True # Unset when we do the real pass that populates the above sets
+def java_c_types(fn_arg, ret_arr_len):
+ fn_arg = fn_arg.strip()
+ if fn_arg.startswith("MUST_USE_RES "):
+ fn_arg = fn_arg[13:]
+ is_const = False
+ if fn_arg.startswith("const "):
+ fn_arg = fn_arg[6:]
+ is_const = True
+ if fn_arg.startswith("struct "):
+ fn_arg = fn_arg[7:]
+ if fn_arg.startswith("enum "):
+ fn_arg = fn_arg[5:]
+ nonnull_ptr = "NONNULL_PTR" in fn_arg
+ fn_arg = fn_arg.replace("NONNULL_PTR", "")
+
+ is_ptr = False
+ take_by_ptr = False
+ rust_obj = None
+ arr_access = None
+ java_hu_ty = None
+ if fn_arg.startswith("LDKThirtyTwoBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[18:] + ")[32]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKThirtyTwoBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKTxid"):
+ fn_arg = "uint8_t (*" + fn_arg[8:] + ")[32]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKThirtyTwoBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKPublicKey"):
+ fn_arg = "uint8_t (*" + fn_arg[13:] + ")[33]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKPublicKey"
+ arr_access = "compressed_form"
+ elif fn_arg.startswith("LDKSecretKey"):
+ fn_arg = "uint8_t (*" + fn_arg[13:] + ")[32]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKSecretKey"
+ arr_access = "bytes"
+ elif fn_arg.startswith("LDKSignature"):
+ fn_arg = "uint8_t (*" + fn_arg[13:] + ")[64]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKSignature"
+ arr_access = "compact_form"
+ elif fn_arg.startswith("LDKRecoverableSignature"):
+ fn_arg = "uint8_t (*" + fn_arg[25:] + ")[68]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKRecoverableSignature"
+ arr_access = "serialized_form"
+ elif fn_arg.startswith("LDKThreeBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[14:] + ")[3]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKThreeBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKFourBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[13:] + ")[4]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKFourBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKSixteenBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[16:] + ")[16]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKSixteenBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKTwentyBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[15:] + ")[20]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKTwentyBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKTenBytes"):
+ fn_arg = "uint8_t (*" + fn_arg[12:] + ")[10]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKTenBytes"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKu8slice"):
+ fn_arg = "uint8_t (*" + fn_arg[11:] + ")[datalen]"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ rust_obj = "LDKu8slice"
+ arr_access = "data"
+ elif fn_arg.startswith("LDKCVec_u8Z"):
+ fn_arg = "uint8_t (*" + fn_arg[12:] + ")[datalen]"
+ rust_obj = "LDKCVec_u8Z"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ arr_access = "data"
+ elif fn_arg.startswith("LDKTransaction ") or fn_arg == "LDKTransaction":
+ fn_arg = "uint8_t (*" + fn_arg[15:] + ")[datalen]"
+ rust_obj = "LDKTransaction"
+ assert var_is_arr_regex.match(fn_arg[8:])
+ arr_access = "data"
+ elif fn_arg.startswith("LDKCVec_"):
+ is_ptr = False
+ if "*" in fn_arg:
+ fn_arg = fn_arg.replace("*", "")
+ is_ptr = True
+
+ tyn = fn_arg[8:].split(" ")
+ assert tyn[0].endswith("Z")
+ if tyn[0] == "u64Z":
+ new_arg = "uint64_t"
+ else:
+ new_arg = "LDK" + tyn[0][:-1]
+ for a in tyn[1:]:
+ new_arg = new_arg + " " + a
+ res = java_c_types(new_arg, ret_arr_len)
+ if res is None:
+ assert java_c_types_none_allowed
+ return None
+ if is_ptr:
+ res.pass_by_ref = True
+ if res.is_native_primitive or res.passed_as_ptr:
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=res.c_ty + "Array", passed_as_ptr=False, is_ptr=is_ptr,
+ nonnull_ptr=nonnull_ptr, is_const=is_const,
+ var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
+ else:
+ return TypeInfo(rust_obj=fn_arg.split(" ")[0], java_ty=res.java_ty + "[]", java_hu_ty=res.java_hu_ty + "[]",
+ java_fn_ty_arg="[" + res.java_fn_ty_arg, c_ty=consts.ptr_arr, passed_as_ptr=False, is_ptr=is_ptr,
+ nonnull_ptr=nonnull_ptr, is_const=is_const,
+ var_name=res.var_name, arr_len="datalen", arr_access="data", subty=res, is_native_primitive=False)
+
+ is_primitive = False
+ arr_len = None
+ mapped_type = []
+ java_type_plural = None
+ if fn_arg.startswith("void"):
+ java_ty = "void"
+ c_ty = "void"
+ fn_ty_arg = "V"
+ fn_arg = fn_arg[4:].strip()
+ is_primitive = True
+ elif fn_arg.startswith("bool"):
+ java_ty = "boolean"
+ c_ty = "jboolean"
+ fn_ty_arg = "Z"
+ fn_arg = fn_arg[4:].strip()
+ is_primitive = True
+ elif fn_arg.startswith("uint8_t"):
+ mapped_type = consts.c_type_map['uint8_t']
+ java_ty = mapped_type[0]
+ c_ty = "int8_t"
+ fn_ty_arg = "B"
+ fn_arg = fn_arg[7:].strip()
+ is_primitive = True
+ elif fn_arg.startswith("LDKu5"):
+ java_ty = consts.c_type_map['uint8_t'][0]
+ java_hu_ty = "UInt5"
+ rust_obj = "LDKu5"
+ c_ty = "int8_t"
+ fn_ty_arg = "B"
+ fn_arg = fn_arg[6:].strip()
+ elif fn_arg.startswith("uint16_t"):
+ mapped_type = consts.c_type_map['uint16_t']
+ java_ty = mapped_type[0]
+ c_ty = "int16_t"
+ fn_ty_arg = "S"
+ fn_arg = fn_arg[8:].strip()
+ is_primitive = True
+ elif fn_arg.startswith("uint32_t"):
+ mapped_type = consts.c_type_map['uint32_t']
+ java_ty = mapped_type[0]
+ c_ty = "int32_t"
+ fn_ty_arg = "I"
+ fn_arg = fn_arg[8:].strip()
+ is_primitive = True
+ elif fn_arg.startswith("uint64_t") or fn_arg.startswith("uintptr_t"):
+ # TODO: uintptr_t is arch-dependent :(
+ mapped_type = consts.c_type_map['uint64_t']
+ java_ty = mapped_type[0]
+ fn_ty_arg = "J"
+ if fn_arg.startswith("uint64_t"):
+ c_ty = "int64_t"
+ fn_arg = fn_arg[8:].strip()
+ else:
+ c_ty = "int64_t"
+ rust_obj = "uintptr_t"
+ fn_arg = fn_arg[9:].strip()
+ is_primitive = True
+ elif is_const and fn_arg.startswith("char *"):
+ java_ty = "String"
+ c_ty = "const char*"
+ fn_ty_arg = "Ljava/lang/String;"
+ fn_arg = fn_arg[6:].strip()
+ elif fn_arg.startswith("LDKStr"):
+ rust_obj = "LDKStr"
+ java_ty = "String"
+ c_ty = "jstring"
+ fn_ty_arg = "Ljava/lang/String;"
+ fn_arg = fn_arg[6:].strip()
+ arr_access = "chars"
+ arr_len = "len"
+ else:
+ ma = var_ty_regex.match(fn_arg)
+ if ma.group(1).strip() in unitary_enums:
+ assert ma.group(1).strip().startswith("LDK")
+ java_ty = ma.group(1).strip()[3:]
+ java_hu_ty = java_ty
+ c_ty = consts.result_c_ty
+ fn_ty_arg = "Lorg/ldk/enums/" + java_ty + ";"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ elif ma.group(1).strip().startswith("LDKC2Tuple"):
+ c_ty = consts.ptr_c_ty
+ java_ty = consts.ptr_native_ty
+ java_hu_ty = "TwoTuple<"
+ if not ma.group(1).strip() in tuple_types:
+ assert java_c_types_none_allowed
+ return None
+ for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
+ if idx != 0:
+ java_hu_ty = java_hu_ty + ", "
+ if ty_info.is_native_primitive:
+ if ty_info.java_hu_ty == "int":
+ java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty
+ java_hu_ty = java_hu_ty + ">"
+ fn_ty_arg = "J"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ take_by_ptr = True
+ elif ma.group(1).strip().startswith("LDKC3Tuple"):
+ c_ty = consts.ptr_c_ty
+ java_ty = consts.ptr_native_ty
+ java_hu_ty = "ThreeTuple<"
+ if not ma.group(1).strip() in tuple_types:
+ assert java_c_types_none_allowed
+ return None
+ for idx, ty_info in enumerate(tuple_types[ma.group(1).strip()][0]):
+ if idx != 0:
+ java_hu_ty = java_hu_ty + ", "
+ if ty_info.is_native_primitive:
+ if ty_info.java_hu_ty == "int":
+ java_hu_ty = java_hu_ty + "Integer" # Java concrete integer type is Integer, not Int
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty.title() # If we're a primitive, capitalize the first letter
+ else:
+ java_hu_ty = java_hu_ty + ty_info.java_hu_ty
+ java_hu_ty = java_hu_ty + ">"
+ fn_ty_arg = "J"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ take_by_ptr = True
+ else:
+ c_ty = consts.ptr_c_ty
+ java_ty = consts.ptr_native_ty
+ java_hu_ty = ma.group(1).strip().replace("LDKCOption", "Option").replace("LDKCResult", "Result").replace("LDK", "")
+ fn_ty_arg = "J"
+ fn_arg = ma.group(2).strip()
+ rust_obj = ma.group(1).strip()
+ take_by_ptr = True
+
+ if fn_arg.startswith(" *") or fn_arg.startswith("*"):
+ fn_arg = fn_arg.replace("*", "").strip()
+ is_ptr = True
+ c_ty = consts.ptr_c_ty
+ java_ty = consts.ptr_native_ty
+ fn_ty_arg = "J"
+
+ var_is_arr = var_is_arr_regex.match(fn_arg)
+ if var_is_arr is not None or ret_arr_len is not None:
+ assert(not take_by_ptr)
+ assert(not is_ptr)
+ # is there a special case for plurals?
+ if len(mapped_type) == 2:
+ java_ty = mapped_type[1]
else:
- out_f.write("long")
- fn_arg = "".join([e + " " for e in fn_arg.split(" ")[1:]]).strip()
- var_is_arr = var_is_arr_regex.match(fn_arg)
+ java_ty = java_ty + "[]"
+ c_ty = c_ty + "Array"
if var_is_arr is not None:
- out_f.write("[] " + var_is_arr.group(1))
- elif fn_arg.strip() != "":
- out_f.write(" " + fn_arg.replace('*', '').strip())
- elif not print_void:
- out_f.write(" arg");
-
- def map_fn_args(fn_args):
- for idx, arg in enumerate(fn_args.split(',')):
- if idx != 0:
- out_f.write(", ")
- map_type(arg, False)
-
- def map_fn(re_match, ret_ty_suffix):
- out_f.write("\t/// " + line)
- out_f.write("\tpublic static native ")
- map_type(re_match.group(1), True)
- out_f.write(ret_ty_suffix + " " + re_match.group(2).replace('_', '') + "(")
- map_fn_args(re_match.group(3))
- out_f.write(");\n")
-
- out_f.write("""package org.ldk;
-
-public class bindings {
- static {
- System.loadLibrary(\"lightning\");
- }
-
-""")
-
- in_block_comment = False
- in_block_enum = False
- in_block_struct = False
- in_block_union = False
-
- fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
- fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[.*\];$")
- reg_fn_regex = re.compile("([A-Za-z_0-9\* ]*) \*?([a-zA-Z_0-9]*)\((.*)\);$")
-
- for line in f:
- if in_block_comment:
- #out_f.write("\t" + line)
+ if var_is_arr.group(1) == "":
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
+ passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name="arg",
+ arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_ty, java_fn_ty_arg="[" + fn_ty_arg, c_ty=c_ty, is_const=is_const,
+ passed_as_ptr=False, is_ptr=False, nonnull_ptr=nonnull_ptr, var_name=var_is_arr.group(1),
+ arr_len=var_is_arr.group(2), arr_access=arr_access, is_native_primitive=False)
+
+ if java_hu_ty is None:
+ java_hu_ty = java_ty
+ return TypeInfo(rust_obj=rust_obj, java_ty=java_ty, java_hu_ty=java_hu_ty, java_fn_ty_arg=fn_ty_arg, c_ty=c_ty, passed_as_ptr=is_ptr or take_by_ptr,
+ is_const=is_const, is_ptr=is_ptr, nonnull_ptr=nonnull_ptr, var_name=fn_arg, arr_len=arr_len, arr_access=arr_access, is_native_primitive=is_primitive)
+
+fn_ptr_regex = re.compile("^extern const ([A-Za-z_0-9\* ]*) \(\*(.*)\)\((.*)\);$")
+fn_ret_arr_regex = re.compile("(.*) \(\*(.*)\((.*)\)\)\[([0-9]*)\];$")
+reg_fn_regex = re.compile("([A-Za-z_0-9\* ]* \*?)([a-zA-Z_0-9]*)\((.*)\);$")
+clone_fns = set()
+constructor_fns = {}
+
+from gen_type_mapping import TypeMappingGenerator
+type_mapping_generator = TypeMappingGenerator(java_c_types, consts, opaque_structs, clone_fns, unitary_enums, trait_structs, complex_enums, result_types, tuple_types)
+
+with open(sys.argv[1]) as in_h:
+ for line in in_h:
+ reg_fn = reg_fn_regex.match(line)
+ if reg_fn is not None:
+ if reg_fn.group(2).endswith("_clone"):
+ clone_fns.add(reg_fn.group(2))
+ else:
+ rty = java_c_types(reg_fn.group(1), None)
+ if rty is not None and not rty.is_native_primitive and reg_fn.group(2) == rty.java_hu_ty + "_new":
+ constructor_fns[rty.rust_obj] = reg_fn.group(3)
+ continue
+ arr_fn = fn_ret_arr_regex.match(line)
+ if arr_fn is not None:
+ if arr_fn.group(2).endswith("_clone"):
+ clone_fns.add(arr_fn.group(2))
+ # No object constructors return arrays, as then they wouldn't be an object constructor
+ continue
+
+# Define some manual clones...
+clone_fns.add("ThirtyTwoBytes_clone")
+write_c("static inline struct LDKThirtyTwoBytes ThirtyTwoBytes_clone(const struct LDKThirtyTwoBytes *orig) { struct LDKThirtyTwoBytes ret; memcpy(ret.data, orig->data, 32); return ret; }\n")
+
+java_c_types_none_allowed = False # C structs created by cbindgen are declared in dependency order
+
+with open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a") as util:
+ util.write(consts.util_fn_pfx)
+
+with open(sys.argv[1]) as in_h, open(sys.argv[2], "w") as out_java:
+ # Map a top-level function
+ def map_fn(line, re_match, ret_arr_len, c_call_string, doc_comment):
+ method_return_type = re_match.group(1)
+ method_name = re_match.group(2)
+ orig_method_name = str(method_name)
+ method_comma_separated_arguments = re_match.group(3)
+ method_arguments = method_comma_separated_arguments.split(',')
+
+ is_free = method_name.endswith("_free")
+ if method_name.startswith("COption") or method_name.startswith("CResult"):
+ struct_meth = method_name.rsplit("Z", 1)[0][1:] + "Z"
+ else:
+ struct_meth = method_name.split("_")[0]
+
+ return_type_info = type_mapping_generator.map_type(method_return_type.strip() + " ret", True, ret_arr_len, False, False)
+
+ argument_types = []
+ default_constructor_args = {}
+ takes_self = False
+ takes_self_ptr = False
+ args_known = True
+
+ for argument_index, argument in enumerate(method_arguments):
+ argument_conversion_info = type_mapping_generator.map_type(argument, False, None, is_free, True)
+ if argument_index == 0 and argument_conversion_info.java_hu_ty == struct_meth:
+ takes_self = True
+ if argument_conversion_info.ty_info.is_ptr:
+ takes_self_ptr = True
+ if argument_conversion_info.arg_conv is not None and "Warning" in argument_conversion_info.arg_conv:
+ if argument_conversion_info.rust_obj in constructor_fns:
+ assert not is_free
+ for explode_arg in constructor_fns[argument_conversion_info.rust_obj].split(','):
+ explode_arg_conv = type_mapping_generator.map_type(explode_arg, False, None, False, True)
+ if explode_arg_conv.c_ty == "void":
+ # We actually want to handle this case, but for now its only used in NetGraphMsgHandler::new()
+ # which ends up resulting in a redundant constructor - both without arguments for the NetworkGraph.
+ args_known = False
+ pass
+ if not argument_conversion_info.arg_name in default_constructor_args:
+ default_constructor_args[argument_conversion_info.arg_name] = []
+ default_constructor_args[argument_conversion_info.arg_name].append(explode_arg_conv)
+ argument_types.append(argument_conversion_info)
+ if not takes_self and return_type_info.java_hu_ty != struct_meth:
+ if not return_type_info.java_hu_ty.startswith("Result_" + struct_meth):
+ method_name = orig_method_name
+ struct_meth = ""
+
+ out_java.write("\t// " + line)
+ (out_java_delta, out_c_delta, out_java_struct_delta) = \
+ consts.map_function(argument_types, c_call_string, method_name, return_type_info, struct_meth, default_constructor_args, takes_self, takes_self_ptr, args_known, type_mapping_generator, doc_comment)
+ out_java.write(out_java_delta)
+
+ if is_free:
+ assert len(argument_types) == 1
+ assert return_type_info.c_ty == "void"
+ write_c(consts.c_fn_ty_pfx + "void " + consts.c_fn_name_define_pfx(method_name, True) + argument_types[0].c_ty + " " + argument_types[0].ty_info.var_name + ") {\n")
+ if argument_types[0].ty_info.passed_as_ptr and not argument_types[0].ty_info.rust_obj in opaque_structs:
+ write_c("\tif ((" + argument_types[0].ty_info.var_name + " & 1) != 0) return;\n")
+
+ for info in argument_types:
+ if info.arg_conv is not None:
+ write_c("\t" + info.arg_conv.replace('\n', "\n\t") + "\n")
+ assert c_call_string is None
+ write_c("\t" + method_name + "(")
+ if argument_types[0].arg_conv_name is not None:
+ write_c(argument_types[0].arg_conv_name)
+ write_c(");")
+ for info in argument_types:
+ if info.arg_conv_cleanup is not None:
+ write_c("\n\t" + info.arg_conv_cleanup.replace("\n", "\n\t"))
+ write_c("\n}\n\n")
+ else:
+ write_c(out_c_delta)
+
+ out_java_struct = None
+ expected_struct = "LDK" + struct_meth
+ expected_cstruct = "LDKC" + struct_meth
+ if (expected_struct in opaque_structs or expected_struct in trait_structs
+ or expected_struct in complex_enums or expected_cstruct in complex_enums
+ or expected_cstruct in result_types) and not is_free:
+ out_java_struct = open(f"{sys.argv[3]}/structs/{struct_meth}{consts.file_ext}", "a")
+ out_java_struct.write(out_java_struct_delta)
+ elif (not is_free and not method_name.endswith("_clone") and
+ not method_name.startswith("_") and
+ method_name != "check_platform" and method_name != "Result_read" and
+ not expected_struct in unitary_enums and
+ ((not method_name.startswith("C2Tuple_") and not method_name.startswith("C3Tuple_"))
+ or method_name.endswith("_read"))):
+ out_java_struct = open(f"{sys.argv[3]}/structs/UtilMethods{consts.file_ext}", "a")
+ for line in out_java_struct_delta.splitlines():
+ if not line.strip().startswith("this."):
+ out_java_struct.write(line + "\n")
+ else:
+ out_java_struct.write("\t\t// " + line.strip() + "\n")
+
+ def map_unitary_enum(struct_name, field_lines, enum_doc_comment):
+ assert struct_name.startswith("LDK")
+ with open(f"{sys.argv[3]}/enums/{struct_name[3:]}{consts.file_ext}", "w") as out_java_enum:
+ unitary_enums.add(struct_name)
+ for idx, struct_line in enumerate(field_lines):
+ if idx == 0:
+ assert(struct_line == "typedef enum %s {" % struct_name)
+ elif idx == len(field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(field_lines) - 2:
+ assert(struct_line == "} %s;" % struct_name)
+ elif idx == len(field_lines) - 1:
+ assert(struct_line == "")
+ assert struct_name.startswith("LDK")
+ (c_out, native_file_out, native_out) = consts.native_c_unitary_enum_map(struct_name[3:], [x.strip().strip(",") for x in field_lines[1:-3]], enum_doc_comment)
+ write_c(c_out)
+ out_java_enum.write(native_file_out)
+ out_java.write(native_out)
+
+ def map_complex_enum(struct_name, union_enum_items, inline_enum_variants, enum_doc_comment):
+ java_hu_type = struct_name.replace("LDK", "").replace("COption", "Option")
+ complex_enums.add(struct_name)
+
+ enum_variants = []
+ tag_field_lines = union_enum_items["field_lines"]
+ for idx, struct_line in enumerate(tag_field_lines):
+ if idx == 0:
+ assert(struct_line == "typedef enum %s_Tag {" % struct_name)
+ elif idx == len(tag_field_lines) - 3:
+ assert(struct_line.endswith("_Sentinel,"))
+ elif idx == len(tag_field_lines) - 2:
+ assert(struct_line == "} %s_Tag;" % struct_name)
+ elif idx == len(tag_field_lines) - 1:
+ assert(struct_line == "")
+ else:
+ variant_name = struct_line.strip(' ,')[len(struct_name) + 1:]
+ fields = []
+ if "LDK" + variant_name in union_enum_items:
+ enum_var_lines = union_enum_items["LDK" + variant_name]
+ for idx, field in enumerate(enum_var_lines):
+ if idx != 0 and idx < len(enum_var_lines) - 2 and field.strip() != "":
+ fields.append(type_mapping_generator.map_type(field.strip(' ;'), False, None, False, True))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, False))
+ elif camel_to_snake(variant_name) in inline_enum_variants:
+ fields.append(type_mapping_generator.map_type(inline_enum_variants[camel_to_snake(variant_name)] + " " + camel_to_snake(variant_name), False, None, False, True))
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
+ else:
+ enum_variants.append(ComplexEnumVariantInfo(variant_name, fields, True))
+
+ with open(f"{sys.argv[3]}/structs/{java_hu_type}{consts.file_ext}", "w") as out_java_enum:
+ (out_java_addendum, out_java_enum_addendum, out_c_addendum) = consts.map_complex_enum(struct_name, enum_variants, camel_to_snake, enum_doc_comment)
+
+ out_java_enum.write(out_java_enum_addendum)
+ out_java.write(out_java_addendum)
+ write_c(out_c_addendum)
+
+ def map_trait(struct_name, field_var_lines, trait_fn_lines, trait_doc_comment):
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_trait:
+ field_var_convs = []
+ flattened_field_var_convs = []
+ for var_line in field_var_lines:
+ if var_line.group(1) in trait_structs:
+ field_var_convs.append((var_line.group(1), var_line.group(2), trait_structs[var_line.group(1)]))
+ flattened_field_var_convs.append((var_line.group(1), var_line.group(2), ))
+ flattened_field_var_convs.extend(trait_structs[var_line.group(1)])
+ else:
+ mapped = type_mapping_generator.map_type(var_line.group(1) + " " + var_line.group(2), False, None, False, False)
+ field_var_convs.append(mapped)
+ flattened_field_var_convs.append(mapped)
+ trait_structs[struct_name] = field_var_convs
+
+ field_fns = []
+ for fn_docs, fn_line in trait_fn_lines:
+ ret_ty_info = type_mapping_generator.map_type(fn_line.group(2).strip() + " ret", True, None, False, False)
+ is_const = fn_line.group(4) is not None
+
+ arg_tys = []
+ for idx, arg in enumerate(fn_line.group(5).split(',')):
+ if arg == "":
+ continue
+ arg_conv_info = type_mapping_generator.map_type(arg, True, None, False, False)
+ arg_tys.append(arg_conv_info)
+ field_fns.append(TraitMethInfo(fn_line.group(3), is_const, ret_ty_info, arg_tys, fn_docs))
+
+ (out_java_addendum, out_java_trait_addendum, out_c_addendum) = consts.native_c_map_trait(struct_name, field_var_convs, flattened_field_var_convs, field_fns, trait_doc_comment)
+ write_c(out_c_addendum)
+ out_java_trait.write(out_java_trait_addendum)
+ out_java.write(out_java_addendum)
+
+ for fn_docs, fn_line in trait_fn_lines:
+ # For now, just disable enabling the _call_log - we don't know how to inverse-map String
+ is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
+ if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
+ dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n"
+ map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(3) + ")(this_arg_conv->this_arg", fn_docs)
+ for idx, var_line in enumerate(field_var_lines):
+ if var_line.group(1) not in trait_structs:
+ write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
+ write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
+ write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
+ write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
+ write_c("}\n")
+ dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + " *NONNULL_PTR this_arg" + fn_line.group(5) + "\n"
+ map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, struct_name + "_set_get_" + var_line.group(2) + "(this_arg_conv", fn_docs)
+
+ def map_result(struct_name, res_ty, err_ty):
+ result_types.add(struct_name)
+ human_ty = struct_name.replace("LDKCResult", "Result")
+ with open(f"{sys.argv[3]}/structs/{human_ty}{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.hu_struct_file_prefix)
+ out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
+ out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
+ out_java_struct.write("\t}\n\n")
+ out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
+ out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
+ out_java_struct.write("\t\t} else {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n")
+
+ res_map = type_mapping_generator.map_type(res_ty + " res", True, None, False, True)
+ err_map = type_mapping_generator.map_type(err_ty + " err", True, None, False, True)
+ can_clone = True
+ if not res_map.is_native_primitive and (res_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
+ can_clone = False
+ if not err_map.is_native_primitive and (err_map.rust_obj.replace("LDK", "") + "_clone" not in clone_fns):
+ can_clone = False
+
+ out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + "jboolean " + consts.c_fn_name_define_pfx(struct_name + "_result_ok", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
+ write_c("}\n")
+
+ out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + res_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_ok", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
+ write_c("\tCHECK(val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
+ if res_map.ret_conv is not None:
+ write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
+ write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.result")
+ write_c(";\n}\n")
+
+ if res_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if res_map.java_hu_ty == "void":
+ pass
+ elif res_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n\n")
+
+ out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
+ write_c(consts.c_fn_ty_pfx + err_map.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_err", True) + consts.ptr_c_ty + " arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)(arg & ~1);\n")
+ write_c("\tCHECK(!val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
+ if err_map.ret_conv is not None:
+ write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
+ write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.err")
+ write_c(";\n}\n")
+
+ if err_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if err_map.java_hu_ty == "void":
+ pass
+ elif err_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+
+ out_java_struct.write("\t}\n\n")
+
+ def map_tuple(struct_name, field_lines):
+ out_java.write("\tpublic static native long " + struct_name + "_new(")
+ write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", len(field_lines) > 3))
+ ty_list = []
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = java_c_types(line.strip(';'), None)
+ if idx != 1:
+ out_java.write(", ")
+ write_c(", ")
+ e = chr(ord('a') + idx - 1)
+ out_java.write(ty_info.java_ty + " " + e)
+ write_c(ty_info.c_ty + " " + e)
+ ty_list.append(ty_info)
+ tuple_types[struct_name] = (ty_list, struct_name)
+ out_java.write(");\n")
+ write_c(") {\n")
+ write_c("\t" + struct_name + "* ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
+ for idx, line in enumerate(field_lines):
+ if idx != 0 and idx < len(field_lines) - 2:
+ ty_info = type_mapping_generator.map_type(line.strip(';'), False, None, False, False)
+ e = chr(ord('a') + idx - 1)
+ if ty_info.arg_conv is not None:
+ write_c("\t" + ty_info.arg_conv.replace("\n", "\n\t"))
+ write_c("\n\tret->" + e + " = " + ty_info.arg_conv_name + ";\n")
+ else:
+ write_c("\tret->" + e + " = " + e + ";\n")
+ if ty_info.arg_conv_cleanup is not None:
+ write_c("\t//TODO: Really need to call " + ty_info.arg_conv_cleanup + " here\n")
+ write_c("\treturn (uint64_t)ret;\n")
+ write_c("}\n")
+
+ for idx, ty_info in enumerate(ty_list):
+ e = chr(ord('a') + idx)
+ out_java.write("\tpublic static native " + ty_info.java_ty + " " + struct_name + "_get_" + e + "(long ptr);\n")
+ write_c(consts.c_fn_ty_pfx + ty_info.c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_get_" + e, True) + consts.ptr_c_ty + " ptr) {\n")
+ write_c("\t" + struct_name + " *tuple = (" + struct_name + "*)(ptr & ~1);\n")
+ conv_info = type_mapping_generator.map_type_with_info(ty_info, False, None, False, True)
+ if conv_info.ret_conv is not None:
+ write_c("\t" + conv_info.ret_conv[0].replace("\n", "\n\t") + "tuple->" + e + conv_info.ret_conv[1].replace("\n", "\n\t") + "\n")
+ write_c("\treturn " + conv_info.ret_conv_name + ";\n")
+ else:
+ write_c("\treturn tuple->" + e + ";\n")
+ write_c("}\n")
+
+ out_java.write(consts.bindings_header.replace('<git_version_ldk_garbagecollected>', local_git_version))
+
+ with open(f"{sys.argv[3]}/structs/CommonBase{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.common_base)
+
+ block_comment = None
+ last_block_comment = None
+ cur_block_obj = None
+
+ const_val_regex = re.compile("^extern const ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
+
+ line_indicates_result_regex = re.compile("^ union (LDKCResult_[A-Za-z_0-9]*Ptr) contents;$")
+ line_indicates_vec_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]*) \*data;$")
+ line_indicates_opaque_regex = re.compile("^ bool is_owned;$")
+ line_indicates_trait_regex = re.compile("^ (struct |enum |union )?([A-Za-z_0-9]* \*?)\(\*([A-Za-z_0-9]*)\)\((const )?void \*this_arg(.*)\);$")
+ assert(line_indicates_trait_regex.match(" uintptr_t (*send_data)(void *this_arg, LDKu8slice data, bool resume_read);"))
+ assert(line_indicates_trait_regex.match(" struct LDKCVec_MessageSendEventZ (*get_and_clear_pending_msg_events)(const void *this_arg);"))
+ assert(line_indicates_trait_regex.match(" void *(*clone)(const void *this_arg);"))
+ assert(line_indicates_trait_regex.match(" struct LDKCVec_u8Z (*write)(const void *this_arg);"))
+ line_field_var_regex = re.compile("^ struct ([A-Za-z_0-9]*) ([A-Za-z_0-9]*);$")
+ assert(line_field_var_regex.match(" struct LDKMessageSendEventsProvider MessageSendEventsProvider;"))
+ assert(line_field_var_regex.match(" struct LDKChannelPublicKeys pubkeys;"))
+ struct_name_regex = re.compile("^typedef (struct|enum|union) (MUST_USE_STRUCT )?(LDK[A-Za-z_0-9]*) {$")
+ assert(struct_name_regex.match("typedef struct LDKCVec_u8Z {"))
+ assert(struct_name_regex.match("typedef enum LDKNetwork {"))
+
+ union_enum_items = {}
+ result_ptr_struct_items = {}
+ for line in in_h:
+ if block_comment is not None:
if line.endswith("*/\n"):
- in_block_comment = False
- elif in_block_struct:
- if line.startswith("} "):
- in_block_struct = False
- elif in_block_union:
- if line.startswith("} "):
- in_block_union = False
- elif in_block_enum:
+ last_block_comment = block_comment.strip("\n")
+ block_comment = None
+ else:
+ block_comment = block_comment + line.strip(" /*")
+ elif cur_block_obj is not None:
+ cur_block_obj = cur_block_obj + line
if line.startswith("} "):
- in_block_enum = False
+ field_lines = []
+ struct_name = None
+ vec_ty = None
+ obj_lines = cur_block_obj.split("\n")
+ is_opaque = False
+ result_contents = None
+ is_unitary_enum = False
+ is_union_enum = False
+ is_union = False
+ is_tuple = False
+ trait_fn_lines = []
+ field_var_lines = []
+
+ for idx, struct_line in enumerate(obj_lines):
+ if struct_line.strip().startswith("/*"):
+ block_comment = struct_line.strip(" /*")
+ if block_comment is not None:
+ if struct_line.endswith("*/"):
+ last_struct_block_comment = block_comment.strip("\n")
+ block_comment = None
+ else:
+ block_comment = block_comment + "\n" + struct_line.strip(" /*")
+ else:
+ struct_name_match = struct_name_regex.match(struct_line)
+ if struct_name_match is not None:
+ struct_name = struct_name_match.group(3)
+ if struct_name_match.group(1) == "enum":
+ if not struct_name.endswith("_Tag"):
+ is_unitary_enum = True
+ else:
+ is_union_enum = True
+ elif struct_name_match.group(1) == "union":
+ is_union = True
+ if line_indicates_opaque_regex.match(struct_line):
+ is_opaque = True
+ result_match = line_indicates_result_regex.match(struct_line)
+ if result_match is not None:
+ result_contents = result_match.group(1)
+ vec_ty_match = line_indicates_vec_regex.match(struct_line)
+ if vec_ty_match is not None and struct_name.startswith("LDKCVec_"):
+ vec_ty = vec_ty_match.group(2)
+ elif struct_name.startswith("LDKC2Tuple_") or struct_name.startswith("LDKC3Tuple_"):
+ is_tuple = True
+ trait_fn_match = line_indicates_trait_regex.match(struct_line)
+ if trait_fn_match is not None:
+ trait_fn_lines.append((last_struct_block_comment, trait_fn_match))
+ field_var_match = line_field_var_regex.match(struct_line)
+ if field_var_match is not None:
+ field_var_lines.append(field_var_match)
+ field_lines.append(struct_line)
+
+ assert(struct_name is not None)
+ assert(len(trait_fn_lines) == 0 or not (is_opaque or is_unitary_enum or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
+ assert(not is_opaque or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
+ assert(not is_unitary_enum or not (len(trait_fn_lines) != 0 or is_opaque or is_union_enum or is_union or result_contents is not None or vec_ty is not None))
+ assert(not is_union_enum or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_opaque or is_union or result_contents is not None or vec_ty is not None))
+ assert(not is_union or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or result_contents is not None or vec_ty is not None))
+ assert(result_contents is None or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or is_union or vec_ty is not None))
+ assert(vec_ty is None or not (len(trait_fn_lines) != 0 or is_unitary_enum or is_union_enum or is_opaque or is_union or result_contents is not None))
+
+ if is_opaque:
+ opaque_structs.add(struct_name)
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "w") as out_java_struct:
+ out_opaque_struct_human = consts.map_opaque_struct(struct_name, last_block_comment)
+ last_block_comment = None
+ out_java_struct.write(out_opaque_struct_human)
+ elif result_contents is not None:
+ assert result_contents in result_ptr_struct_items
+ res_ty, err_ty = result_ptr_struct_items[result_contents]
+ map_result(struct_name, res_ty, err_ty)
+ elif struct_name.startswith("LDKCResult_") and struct_name.endswith("ZPtr"):
+ for line in field_lines:
+ if line.endswith("*result;"):
+ res_ty = line[:-8].strip()
+ elif line.endswith("*err;"):
+ err_ty = line[:-5].strip()
+ result_ptr_struct_items[struct_name] = (res_ty, err_ty)
+ result_types.add(struct_name[:-3])
+ elif is_tuple:
+ map_tuple(struct_name, field_lines)
+ elif vec_ty is not None:
+ ty_info = type_mapping_generator.map_type(vec_ty + " arr_elem", False, None, False, False)
+ if len(ty_info.java_fn_ty_arg) == 1: # ie we're a primitive of some form
+ out_java.write("\tpublic static native long " + struct_name + "_new(" + ty_info.java_ty + "[] elems);\n")
+ write_c(consts.c_fn_ty_pfx + consts.ptr_c_ty + " " + consts.c_fn_name_define_pfx(struct_name + "_new", True) + ty_info.c_ty + "Array elems) {\n")
+ write_c("\t" + struct_name + " *ret = MALLOC(sizeof(" + struct_name + "), \"" + struct_name + "\");\n")
+ write_c("\tret->datalen = " + consts.get_native_arr_len_call[0] + "elems" + consts.get_native_arr_len_call[1] + ";\n")
+ write_c("\tif (ret->datalen == 0) {\n")
+ write_c("\t\tret->data = NULL;\n")
+ write_c("\t} else {\n")
+ write_c("\t\tret->data = MALLOC(sizeof(" + vec_ty + ") * ret->datalen, \"" + struct_name + " Data\");\n")
+ native_arr_ptr_call = consts.get_native_arr_ptr_call(ty_info.ty_info)
+ write_c("\t\t" + ty_info.c_ty + " *java_elems = " + native_arr_ptr_call[0] + "elems" + native_arr_ptr_call[1] + ";\n")
+ write_c("\t\tfor (size_t i = 0; i < ret->datalen; i++) {\n")
+ if ty_info.arg_conv is not None:
+ write_c("\t\t\t" + ty_info.c_ty + " arr_elem = java_elems[i];\n")
+ write_c("\t\t\t" + ty_info.arg_conv.replace("\n", "\n\t\t\t") + "\n")
+ write_c("\t\t\tret->data[i] = " + ty_info.arg_conv_name + ";\n")
+ assert ty_info.arg_conv_cleanup is None
+ else:
+ write_c("\t\t\tret->data[i] = java_elems[i];\n")
+ write_c("\t\t}\n")
+ cleanup = consts.release_native_arr_ptr_call(ty_info.ty_info, "elems", "java_elems")
+ if cleanup is not None:
+ write_c("\t\t" + cleanup + ";\n")
+ write_c("\t}\n")
+ write_c("\treturn (uint64_t)ret;\n")
+ write_c("}\n")
+
+ if ty_info.is_native_primitive:
+ clone_fns.add(struct_name.replace("LDK", "") + "_clone")
+ write_c("static inline " + struct_name + " " + struct_name.replace("LDK", "") + "_clone(const " + struct_name + " *orig) {\n")
+ write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.c_ty + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
+ write_c("\tmemcpy(ret.data, orig->data, sizeof(" + ty_info.c_ty + ") * ret.datalen);\n")
+ write_c("\treturn ret;\n}\n")
+ elif (ty_info.rust_obj.replace("LDK", "") + "_clone") in clone_fns:
+ ty_name = "CVec_" + ty_info.rust_obj.replace("LDK", "") + "Z";
+ clone_fns.add(ty_name + "_clone")
+ write_c("static inline " + struct_name + " " + ty_name + "_clone(const " + struct_name + " *orig) {\n")
+ write_c("\t" + struct_name + " ret = { .data = MALLOC(sizeof(" + ty_info.rust_obj + ") * orig->datalen, \"" + struct_name + " clone bytes\"), .datalen = orig->datalen };\n")
+ write_c("\tfor (size_t i = 0; i < ret.datalen; i++) {\n")
+ write_c("\t\tret.data[i] = " + ty_info.rust_obj.replace("LDK", "") + "_clone(&orig->data[i]);\n")
+ write_c("\t}\n\treturn ret;\n}\n")
+ elif is_union_enum:
+ assert(struct_name.endswith("_Tag"))
+ struct_name = struct_name[:-4]
+ union_enum_items[struct_name] = {"field_lines": field_lines}
+ elif struct_name.endswith("_Body") and struct_name.split("_")[0] in union_enum_items:
+ enum_var_name = struct_name.split("_")
+ union_enum_items[enum_var_name[0]][enum_var_name[1]] = field_lines
+ elif struct_name in union_enum_items:
+ tuple_variants = {}
+ elem_items = -1
+ for line in field_lines:
+ if line == " struct {":
+ elem_items = 0
+ elif line == " };":
+ elem_items = -1
+ elif elem_items > -1:
+ line = line.strip()
+ if line.startswith("struct "):
+ line = line[7:]
+ elif line.startswith("enum "):
+ line = line[5:]
+ split = line.split(" ")
+ assert len(split) == 2
+ tuple_variants[split[1].strip(";")] = split[0]
+ elem_items += 1
+ if elem_items > 1:
+ # We don't currently support tuple variant with more than one element
+ assert False
+ map_complex_enum(struct_name, union_enum_items[struct_name], tuple_variants, last_block_comment)
+ last_block_comment = None
+ elif is_unitary_enum:
+ map_unitary_enum(struct_name, field_lines, last_block_comment)
+ last_block_comment = None
+ elif len(trait_fn_lines) > 0:
+ map_trait(struct_name, field_var_lines, trait_fn_lines, last_block_comment)
+ elif struct_name == "LDKTxOut":
+ with open(f"{sys.argv[3]}/structs/TxOut{consts.file_ext}", "w") as out_java_struct:
+ out_java_struct.write(consts.hu_struct_file_prefix)
+ out_java_struct.write("public class TxOut extends CommonBase{\n")
+ out_java_struct.write("\tTxOut(java.lang.Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tlong to_c_ptr() { return 0; }\n")
+ out_java_struct.write("\t@Override @SuppressWarnings(\"deprecation\")\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tsuper.finalize();\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings.TxOut_free(ptr); }\n")
+ out_java_struct.write("\t}\n")
+ # TODO: TxOut body
+ out_java_struct.write("}")
+ else:
+ pass # Everything remaining is a byte[] or some form
+ cur_block_obj = None
else:
fn_ptr = fn_ptr_regex.match(line)
fn_ret_arr = fn_ret_arr_regex.match(line)
reg_fn = reg_fn_regex.match(line)
+ const_val = const_val_regex.match(line)
if line.startswith("#include <"):
pass
elif line.startswith("/*"):
- #out_f.write("\t" + line)
if not line.endswith("*/\n"):
- in_block_comment = True
+ block_comment = line.strip(" /*")
elif line.startswith("typedef enum "):
- in_block_enum = True
+ cur_block_obj = line
elif line.startswith("typedef struct "):
- in_block_struct = True
+ cur_block_obj = line
elif line.startswith("typedef union "):
- in_block_union = True
- elif line.startswith("typedef "):
- pass
+ cur_block_obj = line
elif fn_ptr is not None:
- map_fn(fn_ptr, "")
+ map_fn(line, fn_ptr, None, None, last_block_comment)
+ last_block_comment = None
elif fn_ret_arr is not None:
- map_fn(fn_ret_arr, "[]")
+ map_fn(line, fn_ret_arr, fn_ret_arr.group(4), None, last_block_comment)
+ last_block_comment = None
elif reg_fn is not None:
- map_fn(reg_fn, "")
+ map_fn(line, reg_fn, None, None, last_block_comment)
+ last_block_comment = None
+ elif const_val_regex is not None:
+ # TODO Map const variables
+ pass
else:
assert(line == "\n")
- out_f.write("}\n");
+ out_java.write(consts.bindings_footer)
+ for struct_name in opaque_structs:
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
+ out_java_struct.write("}\n")
+ for struct_name in trait_structs:
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '')}{consts.file_ext}", "a") as out_java_struct:
+ out_java_struct.write("}\n")
+ for struct_name in complex_enums:
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDK', '').replace('COption', 'Option')}{consts.file_ext}", "a") as out_java_struct:
+ out_java_struct.write("}\n")
+ for struct_name in result_types:
+ with open(f"{sys.argv[3]}/structs/{struct_name.replace('LDKCResult', 'Result')}{consts.file_ext}", "a") as out_java_struct:
+ out_java_struct.write("}\n")
+
+with open(sys.argv[4], "w") as out_c:
+ out_c.write(consts.c_file_pfx.replace('<git_version_ldk_garbagecollected>', local_git_version))
+ 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)
projects / ldk-java / blobdiff