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Diffstat (limited to 'cparser/Cflow.mli')
| -rw-r--r-- | cparser/Cflow.mli | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/cparser/Cflow.mli b/cparser/Cflow.mli new file mode 100644 index 00000000..0de245ae --- /dev/null +++ b/cparser/Cflow.mli @@ -0,0 +1,24 @@ +(* *********************************************************************) +(* *) +(* The Compcert verified compiler *) +(* *) +(* Xavier Leroy, INRIA Paris-Rocquencourt *) +(* *) +(* Copyright Institut National de Recherche en Informatique et en *) +(* Automatique. All rights reserved. This file is distributed *) +(* under the terms of the GNU General Public License as published by *) +(* the Free Software Foundation, either version 2 of the License, or *) +(* (at your option) any later version. This file is also distributed *) +(* under the terms of the INRIA Non-Commercial License Agreement. *) +(* *) +(* *********************************************************************) + +(* A simple control flow analysis for C statements. + Main purpose: emit warnings for _Noreturn functions. *) + +val function_returns: Env.t -> C.stmt -> bool * bool + (** Given a function body, returns two Booleans: + - the first says whether the function can return + - the second says whether the function can return by falling through + the end of its body. + Both are over-approximations. *) |