diff options
Diffstat (limited to 'doc/tools')
| -rw-r--r-- | doc/tools/coqrst/repl/coqtop.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/tools/coqrst/repl/coqtop.py b/doc/tools/coqrst/repl/coqtop.py index efb5cb550..aeadce4c4 100644 --- a/doc/tools/coqrst/repl/coqtop.py +++ b/doc/tools/coqrst/repl/coqtop.py @@ -41,7 +41,9 @@ class CoqTop: the ansicolors module) :param args: Additional arugments to coqtop. """ - self.coqtop_bin = coqtop_bin or os.path.join(os.getenv('COQBIN'),"coqtop") + self.coqtop_bin = coqtop_bin or os.path.join(os.getenv('COQBIN', ""), "coqtop") + if not pexpect.utils.which(self.coqtop_bin): + raise ValueError("coqtop binary not found: '{}'".format(self.coqtop_bin)) self.args = (args or []) + ["-boot", "-color", "on"] * color self.coqtop = None |