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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
from enum import Enum, auto
class Op(Enum):
###########################################################################
# Bit-vectors
###########################################################################
# Bit-vector predicates
BVUGT = auto()
BVUGE = auto()
BVSGT = auto()
BVSGE = auto()
BVSLT = auto()
BVSLE = auto()
BVULT = auto()
BVULE = auto()
BVREDAND = auto()
BVREDOR = auto()
# Bit-vector arithmetic
BVNEG = auto()
BVADD = auto()
BVSUB = auto()
BVMUL = auto()
BVSDIV = auto()
BVUDIV = auto()
BVSREM = auto()
BVUREM = auto()
BVSMOD = auto()
# Bit-vector shifts
BVSHL = auto()
BVLSHR = auto()
BVASHR = auto()
ROTATE_LEFT = auto()
ROTATE_RIGHT = auto()
# Bitwise bit-vector operations
BVNOT = auto()
BVAND = auto()
BVOR = auto()
BVXOR = auto()
BVNAND = auto()
BVNOR = auto()
BVXNOR = auto()
CONCAT = auto()
BVITE = auto()
BVCOMP = auto()
BVCONST = auto()
ZERO_EXTEND = auto()
SIGN_EXTEND = auto()
EXTRACT = auto()
REPEAT = auto()
###########################################################################
# Boolean
###########################################################################
NOT = auto()
AND = auto()
OR = auto()
IMPLIES = auto()
XOR = auto()
###########################################################################
# Arithmetic
###########################################################################
UMINUS = auto()
PLUS = auto()
MINUS = auto()
MULT = auto()
INT_DIV = auto()
DIV = auto()
MOD = auto()
ABS = auto()
LT = auto()
GT = auto()
LEQ = auto()
GEQ = auto()
###########################################################################
# Theory-independent
###########################################################################
EQ = auto()
ITE = auto()
###########################################################################
# Strings
###########################################################################
CONST_STRING = auto()
STRING_CONCAT = auto()
STRING_IN_REGEXP = auto()
STRING_LENGTH = auto()
STRING_SUBSTR = auto()
STRING_UPDATE = auto()
STRING_AT = auto()
STRING_CONTAINS = auto()
STRING_LT = auto()
STRING_LEQ = auto()
STRING_INDEXOF = auto()
STRING_INDEXOF_RE = auto()
STRING_REPLACE = auto()
STRING_REPLACE_ALL = auto()
STRING_REPLACE_RE = auto()
STRING_REPLACE_RE_ALL = auto()
STRING_PREFIX = auto()
STRING_SUFFIX = auto()
STRING_IS_DIGIT = auto()
STRING_ITOS = auto()
STRING_STOI = auto()
STRING_TO_CODE = auto()
STRING_FROM_CODE = auto()
STRING_TOLOWER = auto()
STRING_TOUPPER = auto()
STRING_REV = auto()
STRING_TO_REGEXP = auto()
REGEXP_CONCAT = auto()
REGEXP_UNION = auto()
REGEXP_INTER = auto()
REGEXP_DIFF = auto()
REGEXP_STAR = auto()
REGEXP_PLUS = auto()
REGEXP_OPT = auto()
REGEXP_RANGE = auto()
REGEXP_COMPLEMENT = auto()
REGEXP_EMPTY = auto()
REGEXP_SIGMA = auto()
class BaseSort(Enum):
Bool = auto()
BitVec = auto()
Int = auto()
Real = auto()
String = auto()
RegLan = auto()
class Node:
def __init__(self, children, sort=None):
assert all(isinstance(child, Node) for child in children)
self.children = children
self.sort = sort
self.name = None
def __getitem__(self, i):
return self.children[i]
def __eq__(self, other):
if len(self.children) != len(other.children):
return False
for c1, c2 in zip(self.children, other.children):
if c1 != c2:
return False
return True
class Sort(Node):
def __init__(self, base, args=None, is_list=False, is_const=False):
super().__init__(args if args else [])
self.base = base
self.is_list = is_list
self.is_const = is_const
def __eq__(self, other):
return self.base == other.base and self.is_list == other.is_list and super(
).__eq__(other)
def __hash__(self):
return hash((self.base, self.is_list, tupe(self.children)))
def __repr__(self):
rep = ''
if len(self.children) == 0:
rep = '{}'.format(self.base)
else:
rep = '({} {})'.format(
self.base, ' '.join(str(child) for child in self.children))
if self.is_list:
rep = rep + ' :list'
return rep
def is_int(self):
return self.base == BaseSort.Int
class Var(Node):
def __init__(self, name, sort=None):
super().__init__([], sort)
self.name = name
def __eq__(self, other):
return self.name == other.name
def __hash__(self):
return hash(self.name)
def __repr__(self):
return self.name
class CBool(Node):
def __init__(self, val):
super().__init__([])
self.val = val
def __eq__(self, other):
assert isinstance(other, Node)
return isinstance(other, CBool) and self.val == other.val
def __hash__(self):
return hash(self.val)
def __repr__(self):
return str(self.val)
class CInt(Node):
def __init__(self, val):
super().__init__([])
self.val = val
def __eq__(self, other):
return isinstance(other, CInt) and self.val == other.val
def __hash__(self):
return hash(self.val)
def __repr__(self):
return str(self.val)
class CString(Node):
def __init__(self, val):
super().__init__([])
self.val = val
def __eq__(self, other):
return self.val == other.val
def __hash__(self):
return hash(self.val)
def __repr__(self):
return f'"{self.val}"'
class App(Node):
def __init__(self, op, args):
super().__init__(args)
self.op = op
def __eq__(self, other):
return isinstance(
other, App) and self.op == other.op and super().__eq__(other)
def __hash__(self):
return hash((self.op, tuple(self.children)))
def __repr__(self):
return '({} {})'.format(
self.op, ' '.join(str(child) for child in self.children))
|
