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hoaparse: make it possible to read from a string

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* src/hoaparse/public.hh, src/hoaparse/parsedecl.hh,
src/hoaparse/hoascan.ll, src/hoaparse/hoaparse.yy: Implement this new
interface.
* wrap/python/spot.py (automata): Use it when the argument contains
a newline.
* wrap/python/tests/automata-io.ipynb: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2015-04-27 00:11:29 +02:00
parent 528cc04cca
commit 5bfed246f9
6 changed files with 221 additions and 38 deletions
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21
wrap/python/spot.py
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@ -140,20 +140,29 @@ def automata(*filenames):
or in [LBTT's format]
(http://www.tcs.hut.fi/Software/lbtt/doc/html/Format-for-automata.html).
If a filename ends with a `|`, then the filename is interpreted as
If an argument ends with a `|`, then this argument is interpreted as
a shell command, and the output of that command (without the `|`)
is parsed."""
is parsed.
If an argument contains a newline, then it is interpreted as
actual contents to be parsed.
Otherwise, the argument is assumed to be a filename.
"""
for filename in filenames:
try:
p = None
if filename[-1] != '|':
proc = None
p = hoa_stream_parser(filename, True)
else:
if filename[-1] == '|':
proc = subprocess.Popen(filename[:-1], shell=True,
stdout=subprocess.PIPE)
p = hoa_stream_parser(proc.stdout.fileno(), filename, True)
elif '\n' in filename:
proc = None
p = hoa_stream_parser(filename, "<string>", True)
else:
proc = None
p = hoa_stream_parser(filename, True)
a = True
while a:
# This returns None when we reach the end of the file.