diff options
| author |  qunyanm <unknown> | 2015-06-04 00:31:16 -0700 |
|---|---|---|
| committer | qunyanm <unknown> | 2015-06-04 00:31:16 -0700 |
| commit | 9a7cc1eaf7dc9006f249ceab7793ccd0b6da40ac (patch) | |
| tree | 09f953668f120e7bdbf74e916e137f7a877e892e | |
| parent | 0e63640cbdb2ba154ef1427782ba147717bee3cf (diff) | |
Generate #requires function for OpaqueFunction.
| -rw-r--r-- | Source/Dafny/Translator.cs | 2 | ||||
| -rw-r--r-- | Test/dafny4/Bug82.dfy | 11 | ||||
| -rw-r--r-- | Test/dafny4/Bug82.dfy.expect | 2 |
3 files changed, 14 insertions, 1 deletions
diff --git a/Source/Dafny/Translator.cs b/Source/Dafny/Translator.cs index 045ef8d0..e7a8bedf 100644 --- a/Source/Dafny/Translator.cs +++ b/Source/Dafny/Translator.cs @@ -1480,7 +1480,7 @@ namespace Microsoft.Dafny { AddFunctionAxiom(f, FunctionAxiomVisibility.ForeignModuleOnly, f.Body.Resolved);
}
// for body-less functions, at least generate its #requires function
- if (f.Body == null) {
+ if (f.Body == null || IsOpaqueFunction(f)) {
var b = FunctionAxiom(f, FunctionAxiomVisibility.ForeignModuleOnly, null, null);
Contract.Assert(b == null);
}
diff --git a/Test/dafny4/Bug82.dfy b/Test/dafny4/Bug82.dfy new file mode 100644 index 00000000..bc7ff321 --- /dev/null +++ b/Test/dafny4/Bug82.dfy @@ -0,0 +1,11 @@ +// RUN: %dafny /compile:0 "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+function {:opaque} Reverse(id:int) : int
+
+function RefineToMap(ReverseKey:int->int) : bool
+
+function RefineToMapOfSeqNums() : bool
+{
+ RefineToMap(Reverse)
+}
diff --git a/Test/dafny4/Bug82.dfy.expect b/Test/dafny4/Bug82.dfy.expect new file mode 100644 index 00000000..73ba063c --- /dev/null +++ b/Test/dafny4/Bug82.dfy.expect @@ -0,0 +1,2 @@ +
+Dafny program verifier finished with 4 verified, 0 errors
|