1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
import re
class RustType(object):
OTHER = "Other"
STRUCT = "Struct"
TUPLE = "Tuple"
CSTYLE_VARIANT = "CStyleVariant"
TUPLE_VARIANT = "TupleVariant"
STRUCT_VARIANT = "StructVariant"
ENUM = "Enum"
EMPTY = "Empty"
SINGLETON_ENUM = "SingletonEnum"
REGULAR_ENUM = "RegularEnum"
COMPRESSED_ENUM = "CompressedEnum"
REGULAR_UNION = "RegularUnion"
STD_STRING = "StdString"
STD_OS_STRING = "StdOsString"
STD_STR = "StdStr"
STD_SLICE = "StdSlice"
STD_VEC = "StdVec"
STD_VEC_DEQUE = "StdVecDeque"
STD_BTREE_SET = "StdBTreeSet"
STD_BTREE_MAP = "StdBTreeMap"
STD_HASH_MAP = "StdHashMap"
STD_HASH_SET = "StdHashSet"
STD_RC = "StdRc"
STD_ARC = "StdArc"
STD_CELL = "StdCell"
STD_REF = "StdRef"
STD_REF_MUT = "StdRefMut"
STD_REF_CELL = "StdRefCell"
STD_NONZERO_NUMBER = "StdNonZeroNumber"
STD_STRING_REGEX = re.compile(r"^(alloc::(\w+::)+)String$")
STD_STR_REGEX = re.compile(r"^&(mut )?str$")
STD_SLICE_REGEX = re.compile(r"^&(mut )?\[.+\]$")
STD_OS_STRING_REGEX = re.compile(r"^(std::ffi::(\w+::)+)OsString$")
STD_VEC_REGEX = re.compile(r"^(alloc::(\w+::)+)Vec<.+>$")
STD_VEC_DEQUE_REGEX = re.compile(r"^(alloc::(\w+::)+)VecDeque<.+>$")
STD_BTREE_SET_REGEX = re.compile(r"^(alloc::(\w+::)+)BTreeSet<.+>$")
STD_BTREE_MAP_REGEX = re.compile(r"^(alloc::(\w+::)+)BTreeMap<.+>$")
STD_HASH_MAP_REGEX = re.compile(r"^(std::collections::(\w+::)+)HashMap<.+>$")
STD_HASH_SET_REGEX = re.compile(r"^(std::collections::(\w+::)+)HashSet<.+>$")
STD_RC_REGEX = re.compile(r"^(alloc::(\w+::)+)Rc<.+>$")
STD_ARC_REGEX = re.compile(r"^(alloc::(\w+::)+)Arc<.+>$")
STD_CELL_REGEX = re.compile(r"^(core::(\w+::)+)Cell<.+>$")
STD_REF_REGEX = re.compile(r"^(core::(\w+::)+)Ref<.+>$")
STD_REF_MUT_REGEX = re.compile(r"^(core::(\w+::)+)RefMut<.+>$")
STD_REF_CELL_REGEX = re.compile(r"^(core::(\w+::)+)RefCell<.+>$")
STD_NONZERO_NUMBER_REGEX = re.compile(r"^core::num::([a-z_]+::)*NonZero.+$")
TUPLE_ITEM_REGEX = re.compile(r"__\d+$")
ENCODED_ENUM_PREFIX = "RUST$ENCODED$ENUM$"
ENUM_DISR_FIELD_NAME = "<<variant>>"
STD_TYPE_TO_REGEX = {
RustType.STD_STRING: STD_STRING_REGEX,
RustType.STD_OS_STRING: STD_OS_STRING_REGEX,
RustType.STD_STR: STD_STR_REGEX,
RustType.STD_SLICE: STD_SLICE_REGEX,
RustType.STD_VEC: STD_VEC_REGEX,
RustType.STD_VEC_DEQUE: STD_VEC_DEQUE_REGEX,
RustType.STD_HASH_MAP: STD_HASH_MAP_REGEX,
RustType.STD_HASH_SET: STD_HASH_SET_REGEX,
RustType.STD_BTREE_SET: STD_BTREE_SET_REGEX,
RustType.STD_BTREE_MAP: STD_BTREE_MAP_REGEX,
RustType.STD_RC: STD_RC_REGEX,
RustType.STD_ARC: STD_ARC_REGEX,
RustType.STD_REF: STD_REF_REGEX,
RustType.STD_REF_MUT: STD_REF_MUT_REGEX,
RustType.STD_REF_CELL: STD_REF_CELL_REGEX,
RustType.STD_CELL: STD_CELL_REGEX,
RustType.STD_NONZERO_NUMBER: STD_NONZERO_NUMBER_REGEX,
}
def is_tuple_fields(fields):
# type: (list) -> bool
return all(TUPLE_ITEM_REGEX.match(str(field.name)) for field in fields)
def classify_struct(name, fields):
if len(fields) == 0:
return RustType.EMPTY
for ty, regex in STD_TYPE_TO_REGEX.items():
if regex.match(name):
return ty
if fields[0].name == ENUM_DISR_FIELD_NAME:
return RustType.ENUM
if is_tuple_fields(fields):
return RustType.TUPLE
return RustType.STRUCT
def classify_union(fields):
if len(fields) == 0:
return RustType.EMPTY
first_variant_name = fields[0].name
if first_variant_name is None:
if len(fields) == 1:
return RustType.SINGLETON_ENUM
else:
return RustType.REGULAR_ENUM
elif first_variant_name.startswith(ENCODED_ENUM_PREFIX):
assert len(fields) == 1
return RustType.COMPRESSED_ENUM
else:
return RustType.REGULAR_UNION
|
