/// <summary>
///
/// </summary>
/// <param name="program"></param>
/// <param name="target"></param>
/// <param name="erd"></param>
/// only used this to report error, local errors which are genereaed during searching should not use this
/// <param name="r"></param>
/// <returns></returns>
public static MemberDecl FindAndApplyTactic(Program program, MemberDecl target, ErrorReporterDelegate erd, Resolver r = null)
{
Contract.Requires(program != null);
Contract.Requires(target != null);
Stopwatch watch = new Stopwatch();
watch.Start();
_i = new Interpreter(program);
_errorReporterDelegate = erd;
var result = _i.EvalTacticApplication(target, r);
var p = new Printer(Console.Out);
p.PrintMembers(new List <MemberDecl>()
{
result
}, 0, "");
watch.Stop();
Console.WriteLine("Time Used: " + watch.Elapsed.TotalSeconds.ToString());
_errorReporterDelegate = null;
return(result);
}
/// <summary>
/// Generate test methods for a certain Dafny program.
/// </summary>
/// <returns></returns>
public static IEnumerable <TestMethod> GetTestMethodsForProgram(
Program program, DafnyInfo?dafnyInfo = null)
{
dafnyInfo ??= new DafnyInfo(program);
var modifications = GetModifications(program).ToList();
// Generate tests based on counterexamples produced from modifications
var testMethods = new ConcurrentBag <TestMethod>();
for (var i = modifications.Count - 1; i >= 0; i--)
{
var log = modifications[i].GetCounterExampleLog();
if (log == null)
{
continue;
}
var testMethod = new TestMethod(dafnyInfo, log);
if (testMethods.Contains(testMethod))
{
continue;
}
testMethods.Add(testMethod);
yield return(testMethod);
}
}
/// <summary>
/// This method returns each capturedState that is unreachable, one by one,
/// and then a line with the summary of how many such states there are, etc.
/// Note that loop unrolling may cause false positives and the absence of
/// loop unrolling may cause false negatives.
/// </summary>
/// <returns></returns>
public static IEnumerable <string> GetDeadCodeStatistics(Program program)
{
var modifications = GetModifications(program).ToList();
var blocksReached = modifications.Count;
HashSet <string> allStates = new();
HashSet <string> allDeadStates = new();
// Generate tests based on counterexamples produced from modifications
for (var i = modifications.Count - 1; i >= 0; i--)
{
modifications[i].GetCounterExampleLog();
var deadStates = ((BlockBasedModification)modifications[i]).GetKnownDeadStates();
if (deadStates.Count != 0)
{
foreach (var capturedState in deadStates)
{
yield return($"Code at {capturedState} is potentially unreachable.");
}
blocksReached--;
allDeadStates.UnionWith(deadStates);
}
allStates.UnionWith(((BlockBasedModification)modifications[i]).GetAllStates());
}
yield return($"Out of {modifications.Count} basic blocks " +
$"({allStates.Count} capturedStates), {blocksReached} " +
$"({allStates.Count - allDeadStates.Count}) are reachable. " +
$"There might be false negatives if you are not unrolling " +
$"loops. False positives are always possible.");
}
/// <summary>
/// Returns null on success, or an error string otherwise.
/// </summary>
public static string ParseOnly(IList <string /*!*/> /*!*/ fileNames, string /*!*/ programName, out Program program)
{
Contract.Requires(programName != null);
Contract.Requires(fileNames != null);
program = null;
ModuleDecl module = new LiteralModuleDecl(new DefaultModuleDecl(), null);
BuiltIns builtIns = new BuiltIns();
foreach (string dafnyFileName in fileNames)
{
Contract.Assert(dafnyFileName != null);
string err = ParseFile(dafnyFileName, Token.NoToken, module, builtIns, new Errors(new ConsoleErrorReporter()));
if (err != null)
{
return(err);
}
}
if (!DafnyOptions.O.DisallowIncludes)
{
string errString = ParseIncludes(module, builtIns, fileNames, new Errors(new ConsoleErrorReporter()));
if (errString != null)
{
return(errString);
}
}
program = new Program(programName, module, builtIns, new ConsoleErrorReporter());
return(null);
}
public Program ParseAndTypeCheck(bool runResolver)
{
var errorReporter = new ConsoleErrorReporter();
var module = new LiteralModuleDecl(new DefaultModuleDecl(), null);
var builtIns = new BuiltIns();
var parseErrors = new Errors(errorReporter);
var errorCount = Parser.Parse(_snapshot.GetText(), _filename, _filename, module, builtIns, parseErrors);
var errString = Main.ParseIncludes(module, builtIns, new List <string>(), parseErrors);
if (errorCount != 0 || errString != null)
{
return(null);
}
var program = new Program(_filename, module, builtIns, errorReporter);
if (!runResolver)
{
return(program);
}
var r = new Resolver(program);
r.ResolveProgram(program);
return(errorReporter.Count(ErrorLevel.Error) == 0 ? program : null);
}
bool ParseAndTypeCheck()
{
Dafny.ModuleDecl module = new Dafny.LiteralModuleDecl(new Dafny.DefaultModuleDecl(), null);
Dafny.BuiltIns builtIns = new Dafny.BuiltIns();
Dafny.Errors parseErrors = new VSErrors(this);
int errorCount = Dafny.Parser.Parse(_snapshot.GetText(), _filename, module, builtIns, parseErrors);
string errString = Dafny.Main.ParseIncludes(module, builtIns, new List <string>(), parseErrors);
if (errorCount != 0 || errString != null)
{
return(false);
}
Dafny.Program program = new Dafny.Program(_filename, module, builtIns);
var r = new VSResolver(program, this);
r.ResolveProgram(program);
if (r.ErrorCount != 0)
{
return(false);
}
program.AdditionalInformation.AddRange(r.AdditionalInformation);
_program = program;
return(true); // success
}
public static string Parse(IList <string> fileName, string programName, Dafny.ModuleDecl module, Dafny.BuiltIns builtIns,
Dafny.ErrorReporter reporter, out Dafny.Program program)
{
Contract.Requires(fileName != null);
Contract.Requires(programName != null);
Contract.Requires(fileName.Count == 1);
program = null;
if (Bpl.CommandLineOptions.Clo.Trace)
{
Console.WriteLine("Finished parsing " + fileName);
}
if (!Dafny.DafnyOptions.O.DisallowIncludes)
{
string errString = Dafny.Main.ParseIncludes(module, builtIns, fileName, new Dafny.Errors(reporter));
if (errString != null)
{
return(errString);
}
}
program = new Dafny.Program(programName, module, builtIns, reporter);
Dafny.Main.MaybePrintProgram(program, Dafny.DafnyOptions.O.DafnyPrintFile, false);
return(null);
}
public static bool Verify(Dafny.Program dafnyProgram, ResolverTagger resolver, string uniqueIdPrefix, string requestId, ErrorReporterDelegate er)
{
Dafny.Translator translator = new Dafny.Translator(dafnyProgram.reporter, er);
translator.InsertChecksums = true;
translator.UniqueIdPrefix = uniqueIdPrefix;
Bpl.Program boogieProgram = translator.Translate(dafnyProgram, r: resolver.MostRecentResolver);
//Interpreter.ResetTacnyResultList();
resolver.ReInitializeVerificationErrors(requestId, boogieProgram.Implementations);
// TODO(wuestholz): Maybe we should use a fixed program ID to limit the memory overhead due to the program cache in Boogie.
PipelineOutcome oc = BoogiePipeline(boogieProgram, 1 < Dafny.DafnyOptions.Clo.VerifySnapshots ? uniqueIdPrefix : null, requestId, er);
switch (oc)
{
case PipelineOutcome.Done:
case PipelineOutcome.VerificationCompleted:
// TODO: This would be the place to proceed to compile the program, if desired
return(true);
case PipelineOutcome.FatalError:
default:
return(false);
}
}
public static void Add(List <IdRegion> regions, Microsoft.Dafny.Program prog, Bpl.IToken tok, string text, List <TypeParameter> typeArgs)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
Contract.Requires(tok != null);
Contract.Requires(text != null);
Contract.Requires(typeArgs != null);
if (InMainFileAndUserDefined(prog, tok))
{
if (typeArgs.Count > 0)
{
var pre = "<";
foreach (var tp in typeArgs)
{
text += pre + tp.Name;
if (tp.MustSupportEquality)
{
text += "(==)";
}
pre = ", ";
}
text += ">";
}
regions.Add(new IdRegion(tok, OccurrenceKind.AdditionalInformation, text, tok.val.Length));
}
}
public int ResolveProgram(Microsoft.Dafny.Program program)
{
Debug.WriteLine("Resolving Dafny program");
IncCallsToDafny(CurrentDebug);
//disable Dafny output
var cOut = Console.Out;
//Console.SetOut(TextWriter.Null);
Resolver r = new Resolver(program);
var start = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
r.ResolveProgram(program);
var end = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
Console.SetOut(cOut);
IncTimeAtDafny(CurrentDebug, end - start);
if (program.reporter.Count(ErrorLevel.Error) != 0)
{
Debug.WriteLine("Resolution FAILED");
Debug.WriteLine("{0} resolution/type errors detected in {1}", program.reporter.Count(ErrorLevel.Error), program.Name);
IncBadBranchCount(CurrentDebug);
}
else
{
Debug.WriteLine("Resolution SUCCESSFUL");
IncGoodBranchCount(CurrentDebug);
}
return(program.reporter.Count(ErrorLevel.Error));
}
public void VerifyProgram(Microsoft.Dafny.Program prog)
{
Debug.WriteLine("Verifying Dafny program");
IncCallsToBoogie(CurrentDebug);
//disable Dafny output
var cOut = Console.Out;
// Console.SetOut(TextWriter.Null);
double start = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
var pl = new Pipeline();
Po = pl.VerifyProgram(prog, _fileNames, ProgramId, out Stats, out ErrList, out ErrorInfo);
double end = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
Console.SetOut(cOut);
IncTimeAtBoogie(CurrentDebug, end - start);
if (Stats.ErrorCount == 0)
{
Debug.WriteLine("Dafny program VERIFIED");
IncVerificationSuccess(CurrentDebug);
}
else
{
Debug.WriteLine("Dafny program NOT VERIFIED");
IncVerificationFailure(CurrentDebug);
}
}
private bool TryEnsureProgramVerifies(Program program)
{
var copy = SimpleCloner.CloneProgram(program);
var dareController = new DareController(copy);
return(dareController.IsProgramValid());
}
public static bool GetExistingProgramFromBuffer(ITextBuffer buffer, out Program program) {
program = null;
Tuple<ITextSnapshot, Program, List<DafnyError>> parseResult;
if (!buffer.Properties.TryGetProperty(bufferDafnyKey, out parseResult) || (parseResult.Item1 != buffer.CurrentSnapshot))
return false;
program = parseResult.Item2;
return program!=null;
}
new public void PrintProgram(Program prog) {
Contract.Requires(prog != null);
wr = new StreamWriter(prog.FullName + ".dfy");
var printer = new Microsoft.Dafny.Printer(wr, DafnyOptions.PrintModes.Everything);
printer.PrintTopLevelDecls(prog.DefaultModuleDef.TopLevelDecls, 0, prog.FullName);
//printer.PrintProgram(prog);// PrintTopLevelDecls(prog.DefaultModuleDef.TopLevelDecls, 0, Path.GetFullPath(prog.FullName));
wr.Flush();
}
public static void Add(List <IdRegion> regions, Microsoft.Dafny.Program prog, Bpl.IToken tok, IVariable v, bool isDefinition, ICallable callableContext, ModuleDefinition context)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
Contract.Requires(tok != null);
Contract.Requires(v != null);
Add(regions, prog, tok, v, isDefinition, null, callableContext, context);
}
public RunVerifierThreadParams(Dafny.Program i_program, ITextSnapshot i_snapshot, string i_requestId, ResolverTagger i_errorListHolder, bool i_diagnoseTimeouts)
{
program = i_program;
snapshot = i_snapshot;
requestId = i_requestId;
errorListHolder = i_errorListHolder;
diagnoseTimeouts = i_diagnoseTimeouts;
}
private Interpreter(Program program, Program unresolvedProgram = null) {
Contract.Requires(tcce.NonNull(program));
// initialize state
_errorReporter = new ConsoleErrorReporter();
_state = new ProofState(program, _errorReporter, unresolvedProgram);
_frame = new Stack<Dictionary<IVariable, Type>>();
_resultList = new Dictionary<UpdateStmt, List<Statement>>();
}
public Program(IList <string> fileNames, string programId, Microsoft.Dafny.Program program)
{
_fileNames = fileNames;
ProgramId = programId;
_original = program;
DafnyProgram = program;
Init();
}
public static void Add(List <OutliningRegion> regions, Microsoft.Dafny.Program prog, Dafny1.INamedRegion decl, string kind)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
if (InMainFileAndUserDefined(prog, decl.BodyStartTok))
{
regions.Add(new OutliningRegion(decl, kind));
}
}
private bool EnsureProgramVerifies(Program program)
{
try {
return(TryEnsureProgramVerifies(program));
}
catch {
return(false);
}
}
private Interpreter(Program program, Program unresolvedProgram = null)
{
Contract.Requires(tcce.NonNull(program));
// initialize state
_errorReporter = new ConsoleErrorReporter();
_state = new ProofState(program, _errorReporter, unresolvedProgram);
_frame = new Stack <Dictionary <IVariable, Type> >();
_resultList = new Dictionary <UpdateStmt, List <Statement> >();
}
public static void Compile(Dafny.Program dafnyProgram, TextWriter outputWriter)
{
Microsoft.Dafny.DafnyOptions.O.SpillTargetCode = true;
// Currently there are no provisions for specifying other files to compile with from the
// VS interface, so just send an empty list.
ReadOnlyCollection <string> otherFileNames = new List <string>().AsReadOnly();
Microsoft.Dafny.DafnyDriver.CompileDafnyProgram(dafnyProgram, dafnyProgram.FullName, otherFileNames, outputWriter);
}
private long GetAverageVerificationTime(Program program)
{
long verificationTime = 0;
for (var i = 0; i < _numberOfVerifications; i++)
{
verificationTime += GetVerificationTime(program);
}
return(verificationTime / _numberOfVerifications);
}
new public void PrintProgram(Program prog)
{
Contract.Requires(prog != null);
wr = new StreamWriter(prog.FullName + ".dfy");
var printer = new Microsoft.Dafny.Printer(wr, DafnyOptions.PrintModes.Everything);
printer.PrintTopLevelDecls(prog.DefaultModuleDef.TopLevelDecls, 0, prog.FullName);
//printer.PrintProgram(prog);// PrintTopLevelDecls(prog.DefaultModuleDef.TopLevelDecls, 0, Path.GetFullPath(prog.FullName));
wr.Flush();
}
/// <summary>
/// Create new instance of the working Dafny.Program
/// </summary>
/// <returns>Instance of dafny.Program</returns>
public Microsoft.Dafny.Program ParseProgram()
{
//Dafny.Program prog;
//ParseCheck(fileNames, programId, out prog);
Cloner cl = new Cloner();
ModuleDecl module = new LiteralModuleDecl(cl.CloneModuleDefinition(_original.DefaultModuleDef, _original.Name), null);
DafnyProgram = new Microsoft.Dafny.Program(_original.Name, module, _original.BuiltIns, new ConsoleErrorReporter());
return(DafnyProgram);
}
bool ParseAndTypeCheck(bool runResolver)
{
Tuple <ITextSnapshot, Dafny.Program, List <DafnyError> > parseResult;
Dafny.Program program;
var errorReporter = new VSErrorReporter(this);
if (_buffer.Properties.TryGetProperty(bufferDafnyKey, out parseResult) &&
(parseResult.Item1 == _snapshot))
{
// already parsed;
program = parseResult.Item2;
_errors = parseResult.Item3;
if (program == null)
{
runResolver = false;
}
}
else
{
Dafny.ModuleDecl module = new Dafny.LiteralModuleDecl(new Dafny.DefaultModuleDecl(), null);
Dafny.BuiltIns builtIns = new Dafny.BuiltIns();
var parseErrors = new Dafny.Errors(errorReporter);
int errorCount = Dafny.Parser.Parse(_snapshot.GetText(), _filename, _filename, null, module, builtIns, parseErrors);
/* (_snapshot.GetText(), _filename, _filename, module, builtIns, parseErrors);*/
string errString = Dafny.Main.ParseIncludes(module, builtIns, new List <string>(), parseErrors);
if (errorCount != 0 || errString != null)
{
runResolver = false;
program = null;
}
else
{
program = new Dafny.Program(_filename, module, builtIns, errorReporter);
}
_buffer.Properties[bufferDafnyKey] = new Tuple <ITextSnapshot, Dafny.Program, List <DafnyError> >(_snapshot, program, _errors);
}
if (!runResolver)
{
return(false);
}
program.Raw = _snapshot.GetText();
var r = new Resolver(program);
r.ResolveProgram(program);
MostRecentResolver = r;
if (errorReporter.Count(ErrorLevel.Error) != 0)
{
return(false);
}
_program = program;
return(true); // success
}
public static List<Statement> FindSingleTactic(Program program, MemberDecl target,
UpdateStmt chosenTacticCall, ErrorReporterDelegate erd, Program unresolvedProgram)
{
Contract.Requires(program != null);
Contract.Requires(target != null);
var i = new Interpreter(program, unresolvedProgram);
_errorReporterDelegate = erd;
var list = i.FindSingleTacticApplication(target, chosenTacticCall);
_errorReporterDelegate = null;
return list;
}
public static void Add(List <IdRegion> regions, Microsoft.Dafny.Program prog, Bpl.IToken tok, string text, int length)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
Contract.Requires(tok != null);
Contract.Requires(text != null);
if (InMainFileAndUserDefined(prog, tok))
{
regions.Add(new IdRegion(tok, OccurrenceKind.AdditionalInformation, text, length));
}
}
public static void Add(List <IdRegion> regions, Microsoft.Dafny.Program prog, Bpl.IToken tok, IVariable v, bool isDefinition, string kind, ICallable callableContext, ModuleDefinition context)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
Contract.Requires(tok != null);
Contract.Requires(v != null);
if (InMainFileAndUserDefined(prog, tok))
{
regions.Add(new IdRegion(tok, v, isDefinition, kind, callableContext, context));
}
}
public static void Add(List <IdRegion> regions, Microsoft.Dafny.Program prog, Bpl.IToken tok, Field decl, Microsoft.Dafny.Type showType, string kind, bool isDefinition, ModuleDefinition context)
{
Contract.Requires(regions != null);
Contract.Requires(prog != null);
Contract.Requires(tok != null);
Contract.Requires(decl != null);
Contract.Requires(kind != null);
if (InMainFileAndUserDefined(prog, tok))
{
regions.Add(new IdRegion(tok, decl, showType, kind, isDefinition, context));
}
}
public static bool Verify(Program dafnyProgram, ResolverTagger resolver, string uniqueIdPrefix, string requestId, ErrorReporterDelegate er, Program unresolvedProgram)
{
var translator = new Translator(dafnyProgram.reporter, er)
{
InsertChecksums = true,
UniqueIdPrefix = uniqueIdPrefix
};
var boogieProgram = translator.Translate(dafnyProgram, unresolvedProgram);
resolver.ReInitializeVerificationErrors(requestId, boogieProgram.Implementations);
var outcome = BoogiePipeline(boogieProgram, 1 < CommandLineOptions.Clo.VerifySnapshots ? uniqueIdPrefix : null, requestId, er);
return outcome == PipelineOutcome.Done || outcome == PipelineOutcome.VerificationCompleted;
}
public static bool GetExistingProgramFromBuffer(ITextBuffer buffer, out Program program)
{
program = null;
Tuple <ITextSnapshot, Program, List <DafnyError> > parseResult;
if (!buffer.Properties.TryGetProperty(bufferDafnyKey, out parseResult) || (parseResult.Item1 != buffer.CurrentSnapshot))
{
return(false);
}
program = parseResult.Item2;
return(program != null);
}
/*
* public static bool ResolveAndVerify(Program program, ErrorReporterDelegate er) {
* Contract.Requires<ArgumentNullException>(program != null);
* var r = new Resolver(program);
* //var start = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds;
* r.ResolveProgram(program);
* //TODO: get program.reporter to check resolving result before verifying
* //var end = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalMilliseconds
*
* // check if resolution fails
* if (program.reporter.Count(ErrorLevel.Error) != 0){
* Console.Write("Fail to resolve prog, skip verifier ! \n");
* return false;
*
* }
* var boogieProg = Translate(program, program.Name, er);
* PipelineStatistics stats;
* List<ErrorInformation> errorList;
*
* //Console.WriteLine("call verifier in Tacny !!!");
* PipelineOutcome tmp = BoogiePipeline(boogieProg,
* new List<string> {program.Name}, program.Name, er,
* out stats, out errorList, program);
*
* return errorList.Count == 0;
* }
*/
public static Bpl.Program Translate(Program dafnyProgram, string uniqueIdPrefix, ErrorReporterDelegate er)
{
Contract.Requires <ArgumentNullException>(dafnyProgram != null, "dafnyProgram");
Contract.Requires <ArgumentNullException>(uniqueIdPrefix != null, "uniqueIdPrefix");
Contract.Ensures(Contract.Result <Bpl.Program>() != null);
var translator = new Translator(dafnyProgram.reporter, er)
{
InsertChecksums = true,
UniqueIdPrefix = uniqueIdPrefix
};
return(translator.Translate(dafnyProgram));
}
public static Microsoft.Dafny.Program RemoveTactics(Microsoft.Dafny.Program program)
{
for (var i = 0; i < program.DefaultModuleDef.TopLevelDecls.Count; i++)
{
var curDecl = program.DefaultModuleDef.TopLevelDecls[i] as ClassDecl;
if (curDecl != null)
{
program.DefaultModuleDef.TopLevelDecls[i] = RemoveTactics(curDecl);
}
}
return(program);
}
public static List <Statement> FindSingleTactic(Program program, MemberDecl target,
UpdateStmt chosenTacticCall, ErrorReporterDelegate erd, Program unresolvedProgram)
{
Contract.Requires(program != null);
Contract.Requires(target != null);
var i = new Interpreter(program, unresolvedProgram);
_errorReporterDelegate = erd;
var list = i.FindSingleTacticApplication(target, chosenTacticCall);
_errorReporterDelegate = null;
return(list);
}
public static MemberDecl FindAndApplyTactic(Program program, MemberDecl target, ErrorReporterDelegate erd, Program unresolvedProgram = null) {
Contract.Requires(program != null);
Contract.Requires(target != null);
// TODO Re-Enable with more permanent solution
// Currently, if the interpreter is the same, static across calls, each time the interpreter is
// needed, it will just re-use the previous proof states, frames etc. Which will likely cause
// problems in the extension, where it is called many times consecutively.
//if (_i == null) {
_i = new Interpreter(program, unresolvedProgram);
//}
_errorReporterDelegate = erd;
var result = _i.FindTacticApplication(target);
_errorReporterDelegate = null;
return result;
}
public Program ParseAndTypeCheck(bool runResolver)
{
var errorReporter = new ConsoleErrorReporter();
var module = new LiteralModuleDecl(new DefaultModuleDecl(), null);
var builtIns = new BuiltIns();
var parseErrors = new Errors(errorReporter);
var errorCount = Parser.Parse(_snapshot.GetText(), _filename, _filename, module, builtIns, parseErrors);
var errString = Main.ParseIncludes(module, builtIns, new List<string>(), parseErrors);
if (errorCount != 0 || errString != null) return null;
var program = new Program(_filename, module, builtIns, errorReporter);
if (!runResolver) return program;
var r = new Resolver(program);
r.ResolveProgram(program);
return errorReporter.Count(ErrorLevel.Error) == 0 ? program : null;
}
/// <summary>
///
/// </summary>
/// <param name="program"></param>
/// <param name="target"></param>
/// <param name="erd"></param>
/// only used this to report error, local errors which are genereaed during searching should not use this
/// <param name="r"></param>
/// <returns></returns>
public static MemberDecl FindAndApplyTactic(Program program, MemberDecl target, ErrorReporterDelegate erd, Resolver r = null) {
Contract.Requires(program != null);
Contract.Requires(target != null);
Stopwatch watch = new Stopwatch();
watch.Start();
_i = new Interpreter(program);
_errorReporterDelegate = erd;
var result = _i.EvalTacticApplication(target, r);
var p = new Printer(Console.Out);
p.PrintMembers(new List<MemberDecl>() { result }, 0, "");
watch.Stop();
Console.WriteLine("Time Used: " + watch.Elapsed.TotalSeconds.ToString());
_errorReporterDelegate = null;
return result;
}
bool ParseAndTypeCheck()
{
Dafny.ModuleDecl module = new Dafny.LiteralModuleDecl(new Dafny.DefaultModuleDecl(), null);
Dafny.BuiltIns builtIns = new Dafny.BuiltIns();
var errorReporter = new VSErrorReporter(this);
var parseErrors = new Dafny.Errors(errorReporter);
int errorCount = Dafny.Parser.Parse(_snapshot.GetText(), _filename, _filename, module, builtIns, parseErrors);
string errString = Dafny.Main.ParseIncludes(module, builtIns, new List<string>(), parseErrors);
if (errorCount != 0 || errString != null)
return false;
Dafny.Program program = new Dafny.Program(_filename, module, builtIns, errorReporter);
var r = new Resolver(program);
r.ResolveProgram(program);
if (errorReporter.Count(ErrorLevel.Error) != 0)
return false;
_program = program;
return true; // success
}
public TacticReplacerActor(ITextBuffer tb, int position = -1)
{
Contract.Requires(tb != null);
string currentFileName;
LoadStatus = Util.LoadAndCheckDocument(tb, out currentFileName) ? TacticReplaceStatus.Success : TacticReplaceStatus.NoDocumentPersistence;
if(LoadStatus!=TacticReplaceStatus.Success) return;
_program = Util.GetProgram(tb, currentFileName, true);
_unresolvedProgram = Util.GetProgram(tb, currentFileName, false);
_tld = (DefaultClassDecl)_program?.DefaultModuleDef.TopLevelDecls.FirstOrDefault();
_tldMembers = _tld?.Members.GetEnumerator();
LoadStatus = _tld != null ? TacticReplaceStatus.Success : TacticReplaceStatus.NotResolved;
if (LoadStatus != TacticReplaceStatus.Success) return;
if (position == -1) return;
SetMember(position);
SetTacticCall(position);
}
bool ParseAndTypeCheck(bool runResolver)
{
Tuple<ITextSnapshot, Dafny.Program, List<DafnyError>> parseResult;
Dafny.Program program;
var errorReporter = new VSErrorReporter(this);
if (_buffer.Properties.TryGetProperty(bufferDafnyKey, out parseResult) &&
(parseResult.Item1 == _snapshot)) {
// already parsed;
program = parseResult.Item2;
_errors = parseResult.Item3;
if (program == null)
runResolver = false;
} else {
Dafny.ModuleDecl module = new Dafny.LiteralModuleDecl(new Dafny.DefaultModuleDecl(), null);
Dafny.BuiltIns builtIns = new Dafny.BuiltIns();
var parseErrors = new Dafny.Errors(errorReporter);
int errorCount = Dafny.Parser.Parse(_snapshot.GetText(), _filename, _filename, module, builtIns, parseErrors);
string errString = Dafny.Main.ParseIncludes(module, builtIns, new List<string>(), parseErrors);
if (errorCount != 0 || errString != null) {
runResolver = false;
program = null;
} else {
program = new Dafny.Program(_filename, module, builtIns, errorReporter);
}
_buffer.Properties[bufferDafnyKey] = new Tuple<ITextSnapshot, Dafny.Program, List<DafnyError>>(_snapshot, program, _errors);
}
if (!runResolver) {
return false;
}
var r = new Resolver(program);
r.ResolveProgram(program);
if (errorReporter.Count(ErrorLevel.Error) != 0)
return false;
_program = program;
return true; // success
}
bool ParseAndTypeCheck() {
Dafny.ModuleDecl module = new Dafny.LiteralModuleDecl(new Dafny.DefaultModuleDecl(), null);
Dafny.BuiltIns builtIns = new Dafny.BuiltIns();
Dafny.Errors parseErrors = new VSErrors(this);
int errorCount = Dafny.Parser.Parse(_snapshot.GetText(), _filename, module, builtIns, parseErrors);
string errString = Dafny.Main.ParseIncludes(module, builtIns, new List<string>(), parseErrors);
if (errorCount != 0 || errString != null)
return false;
Dafny.Program program = new Dafny.Program(_filename, module, builtIns);
var r = new VSResolver(program, this);
r.ResolveProgram(program);
if (r.ErrorCount != 0)
return false;
program.AdditionalInformation.AddRange(r.AdditionalInformation);
_program = program;
return true; // success
}