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Diffstat (limited to 'lib/cAst.ml')
| -rw-r--r-- | lib/cAst.ml | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/cAst.ml b/lib/cAst.ml new file mode 100644 index 00000000..e1da072d --- /dev/null +++ b/lib/cAst.ml @@ -0,0 +1,26 @@ +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) + +(** The ast type contains generic metadata for AST nodes. *) +type 'a t = { + v : 'a; + loc : Loc.t option; +} + +let make ?loc v = { v; loc } + +let map f n = { n with v = f n.v } +let map_with_loc f n = { n with v = f ?loc:n.loc n.v } +let map_from_loc f l = + let loc, v = l in + { v = f ?loc v ; loc } + +let with_val f n = f n.v +let with_loc_val f n = f ?loc:n.loc n.v |