private MethodDeclarationSyntax ExtractAndAddPsQs(ref CancellationToken cancellationToken, Microsoft.CodeAnalysis.Document localDocument, CompilationUnitSyntax newRoot, MethodDeclarationSyntax newExtractedMethod)
{
// Let Clousot see the rewritten unit
var connectionToClousot = new RoslynToCCICodeModel.ClousotGlue();
foreach (var result in connectionToClousot.AnalyzeMeAUnit(localDocument, newRoot, cancellationToken, this.options,
new string[] { "-extractmethodmode", "-arrays:arraypurity", "-suggest:requires" /*"-memberNameSelect",*/ }))
{
Utils.Trace("Getting Clousot Result");
String condition;
ContractKind kind;
if (result.IsExtractMethodSuggestion && result.Message.TryParseSuggestion(out kind, out condition))
{
Utils.Trace("Inserting Clousot result. New Condition: " + condition);
// Parse the condition
var newContract = SyntaxFactory.ParseStatement(condition + Environment.NewLine);
newExtractedMethod = newExtractedMethod.InsertStatements(newContract, kind);
}
else
{
Utils.Trace("Skipped Clousot output : " + result.Message);
}
}
return(newExtractedMethod);
}
private MethodDeclarationSyntax ExtractAndAddPmQm(ref CancellationToken cancellationToken,
Microsoft.CodeAnalysis.Document localDocument, SyntaxNode oldRoot, MethodDeclarationSyntax newExtractedMethod)
{
var newText = oldRoot.ToFullString();
Utils.DumpCSFile("BeforePmQm.cs", newText);
var newSolution = localDocument.Project.Solution.WithDocumentText(localDocument.Id, new StringText(newText));
//var newSolution = localDocument.Project.Solution.UpdateDocument(localDocument.Id, new StringText(newText));
var newLocalDocument = newSolution.GetDocument(localDocument.Id);
localDocument = null; // to be sure we do not use it
var newTree = newLocalDocument.GetSyntaxTree();
Utils.Trace("Running Clousot to infer <Pm, Qm> and <Pr, Qr>");
var newRoot = (CompilationUnitSyntax)newTree.GetRoot();
if (newRoot.ContainsDiagnostics)
{
Utils.Trace("Aborting: the new tree has syntax errors");
return(null);
}
// Let Clousot see the rewritten unit
var connectionToClousot = new RoslynToCCICodeModel.ClousotGlue();
foreach (var result in connectionToClousot.AnalyzeMeAUnit(newLocalDocument, newRoot, cancellationToken, this.options,
new string[] { "-extractmethodmoderefine", newExtractedMethod.Identifier.ValueText, "-premode", "combined", "-suggest", "methodensures", "-suggest:requires" }))
{
Utils.Trace("Getting Clousot Result");
String condition;
ContractKind kind;
if (result.Message.TryParseSuggestion(out kind, out condition))
{
Utils.Trace("Inserting Clousot result. New Condition: " + condition);
// Parse the condition
var newContract = SyntaxFactory.ParseStatement(condition + Environment.NewLine);
if (!newContract.ContainsDiagnostics)
{
newExtractedMethod = newExtractedMethod.InsertStatements(newContract, kind);
}
else
{
Utils.Trace("\tskipped, as it contains syntax errors");
}
}
}
return(newExtractedMethod);
}
private MethodDeclarationSyntax ExtractAndAddPmQm(ref CancellationToken cancellationToken,
Microsoft.CodeAnalysis.Document localDocument, SyntaxNode oldRoot, MethodDeclarationSyntax newExtractedMethod) {
var newText = oldRoot.ToFullString();
cancellationToken.ThrowIfCancellationRequested();
Utils.DumpCSFile("BeforePmQm.cs", newText);
var newSolution = localDocument.Project.Solution.WithDocumentText(localDocument.Id, SourceText.From(newText));
//var newSolution = localDocument.Project.Solution.UpdateDocument(localDocument.Id, SourceText.From(newText));
var newLocalDocument = newSolution.GetDocument(localDocument.Id);
localDocument = null; // to be sure we do not use it
var newTree = newLocalDocument.GetSyntaxTree();
Utils.Trace("Running Clousot to infer <Pm, Qm> and <Pr, Qr>");
var newRoot = (CompilationUnitSyntax)newTree.GetRoot();
if (newRoot.ContainsDiagnostics) {
Utils.Trace("Aborting: the new tree has syntax errors");
return null;
}
// Let Clousot see the rewritten unit
var connectionToClousot = new RoslynToCCICodeModel.ClousotGlue();
var results = connectionToClousot.AnalyzeMeAUnit(newLocalDocument, newRoot, cancellationToken, this.options,
new string[] { "-extractmethodmoderefine", newExtractedMethod.Identifier.ValueText, "-premode", "combined", "-suggest", "methodensures", "-suggest:requires" });
if (results == null) return null;
foreach (var result in results)
{
cancellationToken.ThrowIfCancellationRequested();
Utils.Trace("Getting Clousot Result");
String condition;
ContractKind kind;
if (result.Message.TryParseSuggestion(out kind, out condition)) {
Utils.Trace("Inserting Clousot result. New Condition: " + condition);
// Parse the condition
var newContract = SyntaxFactory.ParseStatement(condition + Environment.NewLine);
if (!newContract.ContainsDiagnostics) {
newExtractedMethod = newExtractedMethod.InsertStatements(newContract, kind);
} else {
Utils.Trace("\tskipped, as it contains syntax errors");
}
}
}
return newExtractedMethod;
}
private MethodDeclarationSyntax ExtractAndAddPsQs(ref CancellationToken cancellationToken, Microsoft.CodeAnalysis.Document localDocument, CompilationUnitSyntax newRoot, MethodDeclarationSyntax newExtractedMethod)
{
// Let Clousot see the rewritten unit
var connectionToClousot = new RoslynToCCICodeModel.ClousotGlue();
var results = connectionToClousot.AnalyzeMeAUnit(localDocument, newRoot, cancellationToken, this.options,
new string[] { "-extractmethodmode", "-arrays:arraypurity", "-suggest:requires" /*"-memberNameSelect",*/ });
if (results == null) return null;
foreach (var result in results)
{
cancellationToken.ThrowIfCancellationRequested();
Utils.Trace("Getting Clousot Result");
String condition;
ContractKind kind;
if (result.IsExtractMethodSuggestion && result.Message.TryParseSuggestion(out kind, out condition))
{
Utils.Trace("Inserting Clousot result. New Condition: " + condition);
// Parse the condition
var newContract = SyntaxFactory.ParseStatement(condition + Environment.NewLine);
newExtractedMethod = newExtractedMethod.InsertStatements(newContract, kind);
}
else
{
Utils.Trace("Skipped Clousot output : " + result.Message);
}
}
return newExtractedMethod;
}
// TODO: refactor this code to share with DoTheWork
private string DoTheWorkToInferInvariants()
{
// We should move this in the UI
var selectionStart = this.wpfTextView.Selection.Start.Position.Position;
var selectionEnd = this.wpfTextView.Selection.End.Position.Position;
if (selectionStart == selectionEnd)
{
Trace.WriteLine(string.Format("Selection: {0}", selectionStart));
var container = wpfTextView.TextBuffer.AsTextContainer();
//var text = wpfTextView.TextBuffer.CurrentSnapshot.AsText();
Workspace workspace;
Workspace.TryGetWorkspace(container, out workspace);
//var workspaceDiscovery = Helper.GetMefService<IWorkspaceDiscoveryService>();
//var workspace = workspaceDiscovery.GetWorkspace(container);
if (workspace != null)
{
Document doc;
var docIds = workspace.GetRelatedDocumentIds(container);
if (docIds.Any())
{
var docId = docIds.First();
doc = Helper.OpenDocument(workspace, docId);
var syntax = doc.GetSyntaxTree();
var source = syntax.GetText().ToString();
// Generate the new text
var newText = GenerateAdornedSource(doc, selectionStart);
var newSolution = doc.Project.Solution.WithDocumentText(doc.Id, SourceText.From(newText));
//var newSolution = doc.Project.Solution.UpdateDocument(doc.Id, StringText.From(newText));
var locDocument = newSolution.GetDocument(doc.Id);
var newTree = (CompilationUnitSyntax)locDocument.GetSyntaxTree().GetRoot();
if (!newTree.ContainsDiagnostics)
{
try
{
Trace.WriteLine(string.Format("Annotated tree for the state:\n{0}", newText));
var clousotConnection = new RoslynToCCICodeModel.ClousotGlue();
var run = clousotConnection.AnalyzeMeAUnit(locDocument,
newTree,
new System.Threading.CancellationToken(),
this.options,
new string[] { "-warnscores:false", "-sortwarns:false", "-suggest:!!", "-invariantsuggestmode:true" },
true // we want to filter all the messages but the answer of Clousot
);
if (run == null)
{
return(null);
}
foreach (var r in run)
{
Trace.WriteLine(string.Format("{0}: {1}", r.Message, r.outcome));
if (r.IsInvariantAtSuggestion)
{
return(PrettyFormat(r.Message));
}
}
}
catch (Exception e)
{
Trace.WriteLine(string.Format("Some exception was thrown inside Clousot...\nDetails:\n{0}", e.ToString()));
}
}
else
{
Trace.WriteLine("Compilation error from Roslyn");
}
}
}
}
else
{
Trace.WriteLine(string.Format("start/end do not match {0} {1}", selectionStart, selectionEnd));
}
return(null);
}
private ProofOutcome?DoTheWork(string query, IEnumerable <CodeAssumption> assumptions)
{
// We should move this in the UI
var selectionStart = this.wpfTextView.Selection.Start.Position.Position;
var selectionEnd = this.wpfTextView.Selection.End.Position.Position;
if (selectionStart == selectionEnd)
{
Trace.WriteLine(string.Format("Selection: {0}", selectionStart));
var container = wpfTextView.TextBuffer.AsTextContainer();
//var text = wpfTextView.TextBuffer.CurrentSnapshot.AsText();
Workspace workspace;
Workspace.TryGetWorkspace(container, out workspace);
//var workspaceDiscovery = Helper.GetMefService<IWorkspaceDiscoveryService>();
//var workspace = workspaceDiscovery.GetWorkspace(container);
if (workspace != null)
{
Document doc;
var docIds = workspace.GetRelatedDocumentIds(container);
if (docIds.Any())
{
var docId = docIds.First();
doc = Helper.OpenDocument(workspace, docId);
var syntax = doc.GetSyntaxTree();
var source = syntax.GetText().ToString();
var newText = GenerateInstrumentedSourceText(query, assumptions, selectionStart, source);
var newSolution = doc.Project.Solution.WithDocumentText(doc.Id, SourceText.From(newText));
//var newSolution = doc.Project.Solution.UpdateDocument(doc.Id, StringText.From(newText));
var locDocument = newSolution.GetDocument(doc.Id);
var newTree = (Microsoft.CodeAnalysis.CSharp.Syntax.CompilationUnitSyntax)locDocument.GetSyntaxTree().GetRoot();
var adornedSource = GenerateAdornedSource(doc, selectionStart);
if (!newTree.ContainsDiagnostics)
{
try
{
var clousotConnection = new RoslynToCCICodeModel.ClousotGlue();
var run = clousotConnection.AnalyzeMeAUnit(locDocument,
newTree,
new System.Threading.CancellationToken(),
this.options,
new string[] { "-warnscores:false", "-sortwarns:false", "-show:validations", "-show:unreached" },
true // we want to filter all the messages but the answer of Clousot
);
if (run == null)
{
return(null);
}
foreach (var r in run)
{
Trace.WriteLine(string.Format("{0}: {1}", r.Message, r.outcome));
// if we have a non-null, then this is the outcome
// We can have outcome == null for e.g., suggestions.
// In this case we simply ignore them
if (r.outcome.HasValue)
{
return(r.outcome);
}
}
}
catch (Exception e)
{
Trace.WriteLine(string.Format("Some exception was thrown inside Clousot...\nDetails:\n{0}", e.ToString()));
}
}
else
{
Trace.WriteLine("Compilation error from Roslyn");
}
}
}
}
else
{
Trace.WriteLine(string.Format("start/end do not match {0} {1}", selectionStart, selectionEnd));
}
return(null);
}
