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author | Jason Gross <jgross@mit.edu> | 2018-10-10 10:14:08 -0400 |
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committer | Jason Gross <jgross@mit.edu> | 2018-10-10 10:14:08 -0400 |
commit | 02e50d0bd18f5fa2f173bb6ecc36da5c316ecaa1 (patch) | |
tree | 5bdf8fa2d7125b36c6cd6008eb2d34101c89e816 /src/Util/Tactics/NormalizeCommutativeIdentifier.v | |
parent | 222a8d9abf3724ab2458aecf445ad21c12da902e (diff) |
Rename [normalize_commutative_identifier] file to match tactic name
Diffstat (limited to 'src/Util/Tactics/NormalizeCommutativeIdentifier.v')
-rw-r--r-- | src/Util/Tactics/NormalizeCommutativeIdentifier.v | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/Util/Tactics/NormalizeCommutativeIdentifier.v b/src/Util/Tactics/NormalizeCommutativeIdentifier.v new file mode 100644 index 000000000..00af95566 --- /dev/null +++ b/src/Util/Tactics/NormalizeCommutativeIdentifier.v @@ -0,0 +1,16 @@ +(** Rewrite with the commutative property to ensure that all appearences of an identifier show up the same way *) + +Ltac rewrite_with_comm id clem x y := + first [ constr_eq x y; fail 1 + | repeat match goal with + | [ H' : context[id y x] |- _ ] + => rewrite clem in H' + | [ |- context[id y x] ] + => rewrite clem + end ]. + +Ltac normalize_commutative_identifier id id_comm := + repeat match goal with + | [ |- context[id ?x ?y] ] => progress rewrite_with_comm id (id_comm y x) x y + | [ H : context[id ?x ?y] |- _ ] => progress rewrite_with_comm id (id_comm y x) x y + end. |