diff options
| author |  mikebarnett <unknown> | 2011-03-07 05:15:14 +0000 |
|---|---|---|
| committer | mikebarnett <unknown> | 2011-03-07 05:15:14 +0000 |
| commit | 241de8264a32285d371a53d8d91a219625d76922 (patch) | |
| tree | bde7c8c1dead587fc23a131810cf32779d7e9c8f /Source/VCExpr/VCExprASTVisitors.cs | |
| parent | 0cd15d2b78a68bcdc566b31d53287f63625560e7 (diff) | |
Fix contracts so runtime checking can be turned on.
Diffstat (limited to 'Source/VCExpr/VCExprASTVisitors.cs')
| -rw-r--r-- | Source/VCExpr/VCExprASTVisitors.cs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Source/VCExpr/VCExprASTVisitors.cs b/Source/VCExpr/VCExprASTVisitors.cs index 3e65ec23..c43ee478 100644 --- a/Source/VCExpr/VCExprASTVisitors.cs +++ b/Source/VCExpr/VCExprASTVisitors.cs @@ -634,9 +634,10 @@ namespace Microsoft.Boogie.VCExprAST { return true;
}
- public static Dictionary<VCExprVar/*!*/, object/*!*/>/*!*/ FreeTermVariables(VCExpr node) {
+ public static Dictionary<VCExprVar/*!*/, object>/*!*/ FreeTermVariables(VCExpr node) {
Contract.Requires(node != null);
- Contract.Ensures(cce.NonNullElements(Contract.Result<Dictionary<VCExprVar, object>>()));
+ Contract.Ensures(Contract.Result<Dictionary<VCExprVar, object>>() != null);
+ Contract.Ensures(Contract.ForAll(Contract.Result<Dictionary<VCExprVar, object>>(), ftv => ftv.Key != null));
FreeVariableCollector collector = new FreeVariableCollector();
collector.Traverse(node, true);
return collector.FreeTermVars;
|