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bin: overhaul default input selection

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If no input have been specified, and the standard input is not a tty all
tools now default to reading it.  If standard input is a tty, all tools
display an error message.  Additionally, - is now a shorthand for -F- in
all tools.

* NEWS: Summarize this.
* bin/common_finput.cc, bin/common_finput.hh (check_no_formulas,
check_no_automaton): New functions that implement the above istty()
logic.
* bin/autfilt.cc, bin/dstar2tgba.cc, bin/ltl2tgba.cc, bin/ltl2tgta.cc,
bin/ltlcross.cc, bin/ltldo.cc, bin/ltlgrind.cc: Use these function,
and recognize '-' if it was not the case.
* tests/core/acc_word.test, tests/core/ltldo.test,
tests/core/minusx.test, tests/core/readsave.test,
tests/core/unambig.test: Adjust some tests to exercise this.
* doc/org/autfilt.org, doc/org/csv.org, doc/org/dstar2tgba.org,
doc/org/ltl2tgba.org, doc/org/ltlcross.org, doc/org/ltlfilt.org,
doc/org/oaut.org: Adjust the documentation and simplify some
examples.
This commit is contained in:
Alexandre Duret-Lutz 2016-07-19 21:55:12 +02:00
parent abff7eba8e
commit dd6875d5fe
22 changed files with 119 additions and 54 deletions
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8
doc/org/ltl2tgba.org
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@ -835,7 +835,7 @@ For instance we can study the size of the automata generated for the
right-nested =U= formulas as follows:
#+BEGIN_SRC sh :results verbatim :exports both
genltl --u-right=1..8 | ltl2tgba -F - --stats '%s states and %e edges for "%f"'
genltl --u-right=1..8 | ltl2tgba --stats '%s states and %e edges for "%f"'
#+END_SRC
#+RESULTS:
: 2 states and 2 edges for "p1"
@ -847,7 +847,11 @@ genltl --u-right=1..8 | ltl2tgba -F - --stats '%s states and %e edges for "%f"'
: 7 states and 28 edges for "p1 U (p2 U (p3 U (p4 U (p5 U (p6 U p7)))))"
: 8 states and 36 edges for "p1 U (p2 U (p3 U (p4 U (p5 U (p6 U (p7 U p8))))))"
Here =-F -= means that formulas should be read from the standard input.
Note that because no formula have been passed as argument to
=ltl2tgba=, it defaulted to reading them from standard input. Such a
behaviour can be requested explicitly with =-F -= if needed (e.g., to
read from standard input in addition to processing other formula
supplied with =-f=).
When computing the size of an automaton, we distinguish /transitions/
and /edges/. An edge between two states is labeled by a Boolean