diff options
author | qunyanm <unknown> | 2016-01-25 11:27:26 -0800 |
---|---|---|
committer | qunyanm <unknown> | 2016-01-25 11:27:26 -0800 |
commit | 9cf02f9daaba01d48621a932c4984753337fbbc5 (patch) | |
tree | e44443c6fd6ea2328fb06aba697898c84ca43d40 /Source/Dafny/Triggers/QuantifiersCollector.cs | |
parent | 8f244896640bae196070aa8b2bfe0b2f0be24e2a (diff) |
Fix issue 122. Only generate autoTriggers for QuantifierExpr that are not
empty.
Diffstat (limited to 'Source/Dafny/Triggers/QuantifiersCollector.cs')
-rw-r--r-- | Source/Dafny/Triggers/QuantifiersCollector.cs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Source/Dafny/Triggers/QuantifiersCollector.cs b/Source/Dafny/Triggers/QuantifiersCollector.cs index b887435b..cb2d5c6d 100644 --- a/Source/Dafny/Triggers/QuantifiersCollector.cs +++ b/Source/Dafny/Triggers/QuantifiersCollector.cs @@ -21,7 +21,8 @@ namespace Microsoft.Dafny.Triggers { protected override bool VisitOneExpr(Expression expr, ref bool inOldContext) {
var quantifier = expr as QuantifierExpr;
- if (quantifier != null && !quantifiers.Contains(quantifier)) {
+ // only consider quantifiers that are not empty (Bound.Vars.Count > 0)
+ if (quantifier != null && (quantifier.BoundVars.Count > 0) && !quantifiers.Contains(quantifier)) {
quantifiers.Add(quantifier);
if (quantifier.SplitQuantifier != null) {
var collection = quantifier.SplitQuantifier.Select(q => q as QuantifierExpr).Where(q => q != null);
|