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
|
#!/usr/bin/env python3
# Automatically formatted with yapf (https://github.com/google/yapf)
# Fake 'opt' program that can be made to crash on request. For testing
# the 'reduce_pipeline.py' automatic 'opt' NPM pipeline reducer.
import argparse
import os
import shutil
import signal
parser = argparse.ArgumentParser()
parser.add_argument("-passes", action="store", dest="passes", required=True)
parser.add_argument(
"-print-pipeline-passes", dest="print_pipeline_passes", action="store_true"
)
parser.add_argument("-crash-seq", action="store", dest="crash_seq", required=True)
parser.add_argument("-o", action="store", dest="output")
parser.add_argument("input")
[args, unknown_args] = parser.parse_known_args()
# Expand pipeline if '-print-pipeline-passes'.
if args.print_pipeline_passes:
if args.passes == "EXPAND_a_to_f":
print("a,b,c,d,e,f")
else:
print(args.passes)
exit(0)
# Parse '-crash-seq'.
crash_seq = []
tok = ""
for c in args.crash_seq:
if c == ",":
if tok != "":
crash_seq.append(tok)
tok = ""
else:
tok += c
if tok != "":
crash_seq.append(tok)
print(crash_seq)
# Parse '-passes' and see if we need to crash.
tok = ""
for c in args.passes:
if c == ",":
if len(crash_seq) > 0 and crash_seq[0] == tok:
crash_seq.pop(0)
tok = ""
elif c == "(":
tok = ""
elif c == ")":
if len(crash_seq) > 0 and crash_seq[0] == tok:
crash_seq.pop(0)
tok = ""
else:
tok += c
if len(crash_seq) > 0 and crash_seq[0] == tok:
crash_seq.pop(0)
# Copy input to output.
if args.output:
shutil.copy(args.input, args.output)
# Crash if all 'crash_seq' passes occurred in right order.
if len(crash_seq) == 0:
print("crash")
os.kill(os.getpid(), signal.SIGKILL)
else:
print("no crash")
exit(0)
|
