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Diffstat (limited to 'src/pp.ml')
| -rw-r--r-- | src/pp.ml | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/pp.ml b/src/pp.ml new file mode 100644 index 00000000..0fa8636a --- /dev/null +++ b/src/pp.ml @@ -0,0 +1,76 @@ +(**************************************************************************) +(* Lem *) +(* *) +(* Dominic Mulligan, University of Cambridge *) +(* Francesco Zappa Nardelli, INRIA Paris-Rocquencourt *) +(* Gabriel Kerneis, University of Cambridge *) +(* Kathy Gray, University of Cambridge *) +(* Peter Boehm, University of Cambridge (while working on Lem) *) +(* Peter Sewell, University of Cambridge *) +(* Scott Owens, University of Kent *) +(* Thomas Tuerk, University of Cambridge *) +(* *) +(* The Lem sources are copyright 2010-2013 *) +(* by the UK authors above and Institut National de Recherche en *) +(* Informatique et en Automatique (INRIA). *) +(* *) +(* All files except ocaml-lib/pmap.{ml,mli} and ocaml-libpset.{ml,mli} *) +(* are distributed under the license below. The former are distributed *) +(* under the LGPLv2, as in the LICENSE file. *) +(* *) +(* *) +(* Redistribution and use in source and binary forms, with or without *) +(* modification, are permitted provided that the following conditions *) +(* are met: *) +(* 1. Redistributions of source code must retain the above copyright *) +(* notice, this list of conditions and the following disclaimer. *) +(* 2. Redistributions in binary form must reproduce the above copyright *) +(* notice, this list of conditions and the following disclaimer in the *) +(* documentation and/or other materials provided with the distribution. *) +(* 3. The names of the authors may not be used to endorse or promote *) +(* products derived from this software without specific prior written *) +(* permission. *) +(* *) +(* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS *) +(* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED *) +(* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE *) +(* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY *) +(* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL *) +(* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE *) +(* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS *) +(* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER *) +(* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR *) +(* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *) +(* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *) +(**************************************************************************) + +(** pretty printing utilities *) + +open Format + +let pp_str ppf s = + fprintf ppf "%s" s + +let rec lst sep f ppf = function + | [] -> () + | [x] -> + fprintf ppf "%a" + f x + | (h::t) -> + f ppf h; + fprintf ppf sep; + lst sep f ppf t + +let opt f ppf = function + | None -> + fprintf ppf "None" + | Some(x) -> + fprintf ppf "Some(%a)" + f x + +let pp_to_string pp = + let b = Buffer.create 16 in + let f = formatter_of_buffer b in + pp f; + pp_print_flush f (); + Buffer.contents b |