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arik-soarik-so
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Reformat Python files and add Direct Bindings App files for interactive experimentation.
1 parent e2905d9 commit 8f7afb2

21 files changed

+377
-1596
lines changed

‎src/binding_types.py

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,7 @@
11
class TypeInfo:
2-
def __init__(self, is_native_primitive, rust_obj, swift_type, c_ty, is_const, passed_as_ptr, is_ptr, var_name,
3-
arr_len, arr_access, subty=None, swift_raw_type=None, non_nullable = False, is_unary_tuple = False):
2+
def __init__(self, is_native_primitive, rust_obj, swift_type, c_ty, is_const, passed_as_ptr, is_ptr, var_name, arr_len, arr_access, subty=None, swift_raw_type=None, non_nullable=False,
3+
is_unary_tuple=False
4+
):
45
self.is_native_primitive = is_native_primitive
56
self.rust_obj = rust_obj
67
# self.java_ty = java_ty
@@ -49,8 +50,7 @@ def get_full_rust_ty(self):
4950

5051

5152
class ConvInfo:
52-
def __init__(self, ty_info, arg_name, arg_conv, arg_conv_name, arg_conv_cleanup, ret_conv, ret_conv_name,
53-
to_hu_conv, to_hu_conv_name, from_hu_conv):
53+
def __init__(self, ty_info, arg_name, arg_conv, arg_conv_name, arg_conv_cleanup, ret_conv, ret_conv_name, to_hu_conv, to_hu_conv_name, from_hu_conv):
5454
assert (ty_info.c_ty is not None)
5555
assert (ty_info.java_ty is not None)
5656
assert (arg_name is not None)

‎src/conversion_helper.py

Lines changed: 28 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -4,11 +4,12 @@
44
cloneable_types = set()
55
detected_cloneable_types = set()
66

7+
78
class ConversionHelper:
89
trait_structs = set()
910

1011
@classmethod
11-
def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = False, force_pass_instance = False, is_free_method = False):
12+
def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback=False, force_pass_instance=False, is_free_method=False):
1213
swift_arguments = []
1314
native_arguments = []
1415
pointer_wrapping_prefix = ''
@@ -43,8 +44,6 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
4344
passed_argument_name = 'self'
4445
static_eligible = False
4546

46-
47-
4847
if current_argument_details.is_ptr:
4948
passed_argument_name = argument_name + 'Pointer'
5049
if argument_name == 'init':
@@ -87,25 +86,23 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
8786

8887
initialization_target = f'{argument_name}Unwrapped.cOpaqueStruct!'
8988

90-
if current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith(
91-
'LDK') and current_argument_details.swift_type.startswith('['):
92-
# TODO: figure out why this never gets hit, or rather why I originally wrote this
93-
initialization_target = f'Bindings.new_{current_argument_details.rust_obj}Wrapper(array: {argument_name}Unwrapped).cOpaqueStruct!'
94-
is_pointer_to_array = True
89+
if current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith('LDK') and current_argument_details.swift_type.startswith('['):
90+
# TODO: figure out why this never gets hit, or rather why I originally wrote this
91+
initialization_target = f'Bindings.new_{current_argument_details.rust_obj}Wrapper(array: {argument_name}Unwrapped).cOpaqueStruct!'
92+
is_pointer_to_array = True
9593

9694
native_call_prep += f'''
9795
var {passed_argument_name}: UnsafeMutablePointer<{current_argument_details.rust_obj}>? = nil
9896
if let {argument_name}Unwrapped = {argument_name} {{
9997
{passed_argument_name} = UnsafeMutablePointer<{current_argument_details.rust_obj}>.allocate(capacity: 1)
10098
{passed_argument_name}!.initialize(to: {initialization_target})
10199
}}
102-
'''
103-
# print('optional argument:', argument_name, passed_argument_name)
100+
''' # print('optional argument:', argument_name, passed_argument_name)
104101
else:
105102
wrapper_return_prefix = '' if pointer_wrapping_depth == 0 else 'return '
106103
pointer_wrapping_prefix += f'{wrapper_return_prefix}withUnsafe{mutability_infix}Pointer(to: {reference_prefix}{argument_name}.cOpaqueStruct!) {{ ({passed_argument_name}: Unsafe{mutability_infix}Pointer<{current_argument_details.rust_obj}>) in\n'
107104
pointer_wrapping_suffix += '\n}'
108-
# native_call_prep += current_prep
105+
# native_call_prep += current_prep
109106
elif is_cloneable:
110107
if not is_free_method:
111108
# clone_infix = '.clone()'
@@ -119,12 +116,13 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
119116
pass
120117
elif current_argument_details.rust_obj.startswith('LDK') and not current_argument_details.swift_type.startswith('[') and not is_free_method:
121118
non_cloneable_argument_indices_passed_by_ownership.append(argument_index)
122-
if current_argument_details.rust_obj is not None and ('Option' in current_argument_details.rust_obj or 'Tuple' in current_argument_details.rust_obj or 'Result' in current_argument_details.rust_obj) and not current_argument_details.rust_obj.startswith('['):
119+
if current_argument_details.rust_obj is not None and (
120+
'Option' in current_argument_details.rust_obj or 'Tuple' in current_argument_details.rust_obj or 'Result' in current_argument_details.rust_obj) and not current_argument_details.rust_obj.startswith(
121+
'['):
123122
# TODO: figure out potentially undetected cloneable types
124123
# print('Potentially undetected cloneable type?', current_argument_details.rust_obj)
125124
pass
126125

127-
128126
if is_trait_callback and current_argument_details.is_const:
129127
if current_argument_details.swift_type.startswith('[') or current_argument_details.swift_type == 'String':
130128
mutabilityIndicatorSuffix = '?'
@@ -139,15 +137,12 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
139137
swift_argument_type = swift_argument_type.replace('[LDKResult_', '[LDKCResult_').replace('[LDKTuple_', '[LDKCTuple_')
140138
swift_arguments.append(f'{argument_name}: {swift_argument_type}{mutabilityIndicatorSuffix}')
141139

142-
143-
144140
# native_arguments.append(f'{passed_argument_name}')
145141
if current_argument_details.rust_obj == 'LDK' + swift_argument_type and not current_argument_details.is_ptr:
146142
native_arguments.append(f'{passed_argument_name}{clone_infix}.cOpaqueStruct!')
147143
elif current_argument_details.rust_obj == 'LDKC' + swift_argument_type and not current_argument_details.is_ptr:
148144
native_arguments.append(f'{passed_argument_name}{clone_infix}.cOpaqueStruct!')
149-
elif current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith(
150-
'LDK') and swift_argument_type.startswith('[') and not is_pointer_to_array:
145+
elif current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith('LDK') and swift_argument_type.startswith('[') and not is_pointer_to_array:
151146
# if current_argument_details.swift_type == '[UInt8]' and not current_argument_details.swift_raw_type.startswith('LDKC'):
152147
if current_argument_details.rust_obj in pointer_iterating_vector_types:
153148
# TODO: expand beyond 1-dimensional array support (as of writing only affects Route.swift)
@@ -172,8 +167,7 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
172167
native_arguments.append(f'{passed_argument_name}Wrapper.cOpaqueStruct!')
173168
else:
174169
native_arguments.append(f'Bindings.new_{current_argument_details.rust_obj}(array: {passed_argument_name})')
175-
elif current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith(
176-
'LDK') and current_argument_details.is_unary_tuple:
170+
elif current_argument_details.rust_obj is not None and current_argument_details.rust_obj.startswith('LDK') and current_argument_details.is_unary_tuple:
177171
native_arguments.append(f'Bindings.new_{current_argument_details.rust_obj}(array: {passed_argument_name})')
178172
elif swift_argument_type == 'String':
179173
if is_trait_callback and current_argument_details.swift_raw_type == 'UnsafePointer<Int8>':
@@ -200,15 +194,8 @@ def prepare_swift_to_native_arguments(cls, argument_types, is_trait_callback = F
200194

201195
full_syntax = pointer_wrapping_prefix + ', '.join(native_arguments) + pointer_wrapping_suffix
202196
# print(full_syntax)
203-
return {
204-
"swift_arguments": swift_arguments,
205-
"native_arguments": native_arguments,
206-
"native_call_prefix": pointer_wrapping_prefix,
207-
"native_call_suffix": pointer_wrapping_suffix,
208-
"native_call_prep": native_call_prep,
209-
"static_eligible": static_eligible,
210-
"non_cloneable_argument_indices_passed_by_ownership": non_cloneable_argument_indices_passed_by_ownership
211-
}
197+
return {"swift_arguments": swift_arguments, "native_arguments": native_arguments, "native_call_prefix": pointer_wrapping_prefix, "native_call_suffix": pointer_wrapping_suffix,
198+
"native_call_prep": native_call_prep, "static_eligible": static_eligible, "non_cloneable_argument_indices_passed_by_ownership": non_cloneable_argument_indices_passed_by_ownership}
212199

213200
# the arguments that we receive from a native lambda, before they get passed on to a human consumer
214201
# Traits -> NATIVE_CALLBACKS -> SWIFT_CALLBACK_PREP, basically
@@ -230,7 +217,7 @@ def prepare_native_to_swift_callback_arguments(cls, argument_types):
230217

231218
received_var_name = current_argument_details.var_name
232219

233-
if received_var_name == 'init': # illegal in swift
220+
if received_var_name == 'init': # illegal in swift
234221
received_var_name = 'initValue'
235222
passed_var_name = received_var_name
236223
swift_callback_argument_value = received_var_name
@@ -264,7 +251,7 @@ def prepare_native_to_swift_callback_arguments(cls, argument_types):
264251
# Bindings array converters cannot yet convert LDK types to wrapped types
265252
published_swift_type = TypeParsingRegeces.WRAPPER_TYPE_ARRAY_BRACKET_REGEX.sub('[LDK', published_swift_type)
266253
received_raw_type = current_argument_details.rust_obj
267-
# swift_callback_argument_value = f'{received_raw_type}(pointer: {received_var_name})'
254+
# swift_callback_argument_value = f'{received_raw_type}(pointer: {received_var_name})'
268255

269256
if received_raw_type is None:
270257
received_raw_type = inferred_raw_swift_type
@@ -278,9 +265,9 @@ def prepare_native_to_swift_callback_arguments(cls, argument_types):
278265
if current_argument_details.swift_type.startswith('[') or current_argument_details.swift_type == 'String':
279266
is_optional = True
280267
received_raw_type += '?' # TODO: figure out when tf it actually becomes nullable!
281-
published_swift_type += '?' # the swift thing is obviously nullible, too
268+
published_swift_type += '?' # the swift thing is obviously nullible, too
282269

283-
if is_unsafe_pointer: # always true
270+
if is_unsafe_pointer: # always true
284271
received_var_name += 'Pointer'
285272
if is_optional:
286273
if inferred_raw_swift_type == 'UnsafePointer<Int8>':
@@ -314,15 +301,11 @@ def prepare_native_to_swift_callback_arguments(cls, argument_types):
314301
# native_arguments.insert(0, '')
315302
pass
316303

317-
return {
318-
'raw_native_argument_list': native_arguments,
319-
'swift_callback_arguments': swift_callback_arguments,
320-
'public_swift_argument_list': public_swift_argument_list,
321-
'swift_callback_prep': swift_callback_prep
322-
}
304+
return {'raw_native_argument_list': native_arguments, 'swift_callback_arguments': swift_callback_arguments, 'public_swift_argument_list': public_swift_argument_list,
305+
'swift_callback_prep': swift_callback_prep}
323306

324307
@classmethod
325-
def prepare_return_value(cls, return_type, is_clone_method = False, is_trait_instantiator = False, is_raw_property_getter = False):
308+
def prepare_return_value(cls, return_type, is_clone_method=False, is_trait_instantiator=False, is_raw_property_getter=False):
326309
rust_return_type = return_type.rust_obj
327310
return_prefix = ''
328311
return_suffix = ''
@@ -352,9 +335,9 @@ def prepare_return_value(cls, return_type, is_clone_method = False, is_trait_ins
352335
elif rust_return_type == 'LDKC' + return_type_string and not is_clone_method:
353336
return_prefix = f'{swift_return_instantiation_type}(pointer: '
354337
return_suffix = ')'
355-
# if is_trait_instantiator:
356-
# only applies to tuples, but is never hit
357-
# return_suffix = ', anchor: self)'
338+
# if is_trait_instantiator:
339+
# only applies to tuples, but is never hit
340+
# return_suffix = ', anchor: self)'
358341
elif return_type_string == 'String':
359342
return_prefix = 'Bindings.LDKStr_to_string(nativeType: '
360343
return_suffix = ')'
@@ -366,10 +349,8 @@ def prepare_return_value(cls, return_type, is_clone_method = False, is_trait_ins
366349
pass
367350

368351
if TypeParsingRegeces.WRAPPER_TYPE_ARRAY_BRACKET_REGEX.search(return_type_string):
352+
# replace the last [ with [LDK (in case
369353
return_type_string = TypeParsingRegeces.WRAPPER_TYPE_ARRAY_BRACKET_REGEX.sub('[LDK', return_type_string)
354+
return_type_string = return_type_string.replace('LDKResult_', 'LDKCResult_').replace('LDKTuple_', 'LDKCTuple_').replace('LDKVec_', 'LDKCVec_')
370355

371-
return {
372-
'prefix': return_prefix,
373-
'suffix': return_suffix,
374-
'swift_type': return_type_string
375-
}
356+
return {'prefix': return_prefix, 'suffix': return_suffix, 'swift_type': return_type_string}

‎src/generators/opaque_struct_generator.py

Lines changed: 0 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -66,7 +66,6 @@ def generate_opaque_struct(self, struct_name, struct_details, all_type_details={
6666
if struct_details.free_method is not None:
6767
method_iterator.append(struct_details.free_method)
6868

69-
7069
# fill templates
7170
for current_method_details in method_iterator:
7271
current_native_method_name = current_method_details['name']['native']
@@ -119,7 +118,6 @@ def generate_opaque_struct(self, struct_name, struct_details, all_type_details={
119118
cloneability_type_message = '; '.join(cloneability_types)
120119
print(f'/// {cloneability_warning}: {current_native_method_name} [{cloneability_type_message}]')
121120

122-
123121
current_replacement = current_replacement.replace('return OpaqueStructType_methodName(native_arguments)',
124122
f'return {value_return_wrappers["prefix"]}OpaqueStructType_methodName(native_arguments){value_return_wrappers["suffix"]}')
125123
current_replacement = current_replacement.replace('func methodName(', f'{static_infix}func {current_method_name}(')

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