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
|
from creole import *
import unittest
import ffi
class PushTest(unittest.TestCase):
def test_parse_push_reg(self):
p = Program()
p.parse_asm_line("push r5")
b = p()
self.assertEqual(b, b'\x01\xC2\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (1,5))
def test_parse_push_imm(self):
p = Program()
p.parse_asm_line("push 5")
b = p()
self.assertEqual(b, b'\x01\xC0\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (0,5))
def test_parse_push_catch_typecheck_push_lab(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("push l0")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l0')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 1)
def test_parse_push_catch_typecheck_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push r1 r2")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_parse_push_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, [])
self.assertEqual(cm.exception.argtypelen, 1)
def test_large_reg(self):
p = Program(regnum=0x8000000)
p.parse_asm_line("PUSH r134217727")
b = p()
self.assertEqual(b, b'\x01\xFC\x87\xbf\xbf\xbf\xbf\x00')
def test_compile_push(self):
p = Program()
p.parse_asm_line("PUSH r0")
p.parse_asm_line("PUSH 6")
b = p()
ex = ffi.Environment()
self.assertEqual(ex.load(b), ffi.CompileRet.OK)
self.assertEqual(ex.cenv.prgend, 2)
self.assertEqual(ex.cenv.prg[0].opcode, 1)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 0)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
self.assertEqual(ex.cenv.prg[1].opcode, 1)
self.assertEqual(ex.cenv.prg[1].w_flags[0], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[1].w[0], 6)
self.assertEqual(ex.cenv.prg[1].w[1], 0)
self.assertEqual(ex.cenv.prg[1].w[2], 0)
class PopTest(unittest.TestCase):
def test_compile_pop_reg(self):
p = Program()
p.parse_asm_line("pop r9")
b = p()
self.assertEqual(b, b'\x02\xC2\x89\x00')
ex = ffi.Environment()
self.assertEqual(ex.load(b), ffi.CompileRet.OK)
self.assertEqual(ex.cenv.prgend, 1)
self.assertEqual(ex.cenv.prg[0].opcode, 2)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 9)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
def test_compile_throw_pop_literal(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop 6")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '6')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_pop_label(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop l9")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, 'l9')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push r1 r2")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, [])
self.assertEqual(cm.exception.argtypelen, 1)
class ProgramTest(unittest.TestCase):
def test_exec_simple_reg(self):
p = Program()
p.parse_asm_line("push 5")
p.parse_asm_line("push 6")
p.parse_asm_line("pop r0")
p.parse_asm_line("pop r1")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 6)
self.assertEqual(ex.cenv.reg[1], 5)
def test_exec_add(self):
p = Program()
p.parse_asm_line("add r0 10 20")
p.parse_asm_line("add r1 5 0")
p.parse_asm_line("add r1 r0 -40")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 30)
self.assertEqual(ex.cenv.reg[1], word_2c(10))
if __name__ == "__main__":
unittest.main()
|
