private AssumeStatement VisitAssume(AssumeStatement assume)
{
WriteStart("assume");
this.VisitParenthesizedExpression(assume.booleanExpr);
WriteFinish(";");
return assume;
}
private Statement VisitAssume(AssumeStatement assume)
{
Statement assumeStmt;
if (assume == null || assume.booleanExpr == null)
return null;
assumeStmt = Templates.GetStatementTemplate("Assume");
Replacer.Replace(assumeStmt, "_exprString", new Literal(assume.booleanExpr.SourceContext.SourceText, SystemTypes.String));
Replacer.Replace(assumeStmt, "_expr", this.VisitExpression(assume.booleanExpr));
return assumeStmt;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
assume.booleanExpr = this.VisitExpression(assume.booleanExpr);
Literal litBool = assume.booleanExpr as Literal;
if (litBool != null)
{
//
// Optimize away "assume(true);"
//
if (litBool.Type == SystemTypes.Boolean && ((bool)litBool.Value) == true)
return null;
}
return assume;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
if (assume == null) return null;
AssumeStatement result = (AssumeStatement)assume.Clone();
result.booleanExpr = this.VisitExpression(assume.booleanExpr);
return result;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
assume.booleanExpr = this.VisitExpression(assume.booleanExpr);
return assume;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
BasicBlock block = AddBlock(new BasicBlock(assume, CurrentContinuation));
CurrentContinuation = block;
return assume;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
if (assume == null) return null;
assume.booleanExpr = this.VisitExpression(assume.booleanExpr);
if (assume.booleanExpr != null && assume.booleanExpr.Type != SystemTypes.Boolean)
{
this.HandleError(assume, Error.BooleanExpressionRequired);
return null;
}
return assume;
}
private AssumeStatement VisitAssume(AssumeStatement assume)
{
if (assume == null) return null;
assume.booleanExpr = this.VisitExpression(assume.booleanExpr);
return assume;
}