772b2ab8ba
We had been using version 3.2 from 2009, which does not have support for t_eof(). Change-Id: Id5610a272fe2cecd586991f4c59f3ec77184164e Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/56342 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
102 lines
1.9 KiB
Python
102 lines
1.9 KiB
Python
from unittest import TestCase, main
|
|
|
|
from multiprocessing import Process, Queue
|
|
from six.moves.queue import Empty
|
|
|
|
import sys
|
|
|
|
if ".." not in sys.path:
|
|
sys.path.insert(0, "..")
|
|
|
|
from ply.lex import lex
|
|
from ply.cpp import *
|
|
|
|
|
|
def preprocessing(in_, out_queue):
|
|
out = None
|
|
|
|
try:
|
|
p = Preprocessor(lex())
|
|
p.parse(in_)
|
|
tokens = [t.value for t in p.parser]
|
|
out = "".join(tokens)
|
|
finally:
|
|
out_queue.put(out)
|
|
|
|
class CPPTests(TestCase):
|
|
"Tests related to ANSI-C style lexical preprocessor."
|
|
|
|
def __test_preprocessing(self, in_, expected, time_limit = 1.0):
|
|
out_queue = Queue()
|
|
|
|
preprocessor = Process(
|
|
name = "PLY`s C preprocessor",
|
|
target = preprocessing,
|
|
args = (in_, out_queue)
|
|
)
|
|
|
|
preprocessor.start()
|
|
|
|
try:
|
|
out = out_queue.get(timeout = time_limit)
|
|
except Empty:
|
|
preprocessor.terminate()
|
|
raise RuntimeError("Time limit exceeded!")
|
|
else:
|
|
self.assertMultiLineEqual(out, expected)
|
|
|
|
def test_concatenation(self):
|
|
self.__test_preprocessing("""\
|
|
#define a(x) x##_
|
|
#define b(x) _##x
|
|
#define c(x) _##x##_
|
|
#define d(x,y) _##x##y##_
|
|
|
|
a(i)
|
|
b(j)
|
|
c(k)
|
|
d(q,s)"""
|
|
, """\
|
|
|
|
|
|
|
|
|
|
|
|
i_
|
|
_j
|
|
_k_
|
|
_qs_"""
|
|
)
|
|
|
|
def test_deadloop_macro(self):
|
|
# If there is a word which equals to name of a parametrized macro, then
|
|
# attempt to expand such word as a macro manages the parser to fall
|
|
# into an infinite loop.
|
|
|
|
self.__test_preprocessing("""\
|
|
#define a(x) x
|
|
|
|
a;"""
|
|
, """\
|
|
|
|
|
|
a;"""
|
|
)
|
|
|
|
def test_index_error(self):
|
|
# If there are no tokens after a word ("a") which equals to name of
|
|
# a parameterized macro, then attempt to expand this word leads to
|
|
# IndexError.
|
|
|
|
self.__test_preprocessing("""\
|
|
#define a(x) x
|
|
|
|
a"""
|
|
, """\
|
|
|
|
|
|
a"""
|
|
)
|
|
|
|
main()
|