private void SetNonUniform(string procedureName, WhileCmd wc)
{
nonUniformLoops[procedureName].Add(GetLoopId(wc));
RecordProcedureChanged();
}
void WhileCmd(out WhileCmd/*!*/ wcmd) {
Contract.Ensures(Contract.ValueAtReturn(out wcmd) != null); IToken/*!*/ x; Token z;
Expr guard; Expr/*!*/ e; bool isFree;
List<PredicateCmd/*!*/> invariants = new List<PredicateCmd/*!*/>();
StmtList/*!*/ body;
QKeyValue kv = null;
Expect(43);
x = t;
Guard(out guard);
Contract.Assume(guard == null || cce.Owner.None(guard));
while (la.kind == 36 || la.kind == 44) {
isFree = false; z = la/*lookahead token*/;
if (la.kind == 36) {
Get();
isFree = true;
}
Expect(44);
while (la.kind == 28) {
Attribute(ref kv);
}
Expression(out e);
if (isFree) {
invariants.Add(new AssumeCmd(z, e, kv));
} else {
invariants.Add(new AssertCmd(z, e, kv));
}
kv = null;
Expect(9);
}
Expect(28);
StmtList(out body);
wcmd = new WhileCmd(x, guard, invariants, body);
}
private int GetLoopId(WhileCmd wc)
{
AssertCmd inv = wc.Invariants[0] as AssertCmd;
Debug.Assert(inv.Attributes.Key.Contains("loophead_"));
return Convert.ToInt32(inv.Attributes.Key.Substring("loophead_".Length));
}