/// <summary>
/// Instruments production code for measuring code coverage and returns the modifieid code.
/// </summary>
/// <param name="support">A support to measure coverage.</param>
/// <param name="fileInfo">A <c>FileInfo</c> instance to be instrumented.</param>
/// <returns>The modified production code.</returns>
public string InstrumentStatementAndPredicate(
LanguageSupport support, FileInfo fileInfo)
{
var root = support.CodeToXml.GenerateFromFile(fileInfo.FullName);
var inserter = support.AstTransformer;
var fileId = RegisterFile(fileInfo);
// ステートメントを挿入できるようにブロックを補う
inserter.SupplementBlock(root);
// switch文を正しく測定できるようにdefault節を追加する
inserter.SupplementDefaultCase(root);
var analyzer = support.AstAnalyzer;
var funcs = analyzer.FindFunctions(root);
foreach (var func in funcs)
{
var funcName = analyzer.GetFunctionName(func);
var funcId = RegisterFunction(fileId, funcName, CodeRange.Locate(func));
InstrumentStatement(support, fileId, funcId, inserter, func);
InstrumentBranch(support, fileId, funcId, inserter, func);
}
// Add import for logging executed items
inserter.InsertImport(root);
return(support.XmlToCode.Generate(root));
}
private static void ConvertIndiciesToRange(
CstNode node, string code, int inclusiveStart, int exclusiveEnd, CodeRange range)
{
var newRange = CodeRange.ConvertFromIndicies(code, inclusiveStart, exclusiveEnd);
var newInclusiveStart = char.IsWhiteSpace(code[inclusiveStart - 1])
? inclusiveStart - 1 : inclusiveStart;
var newExclusiveEnd = char.IsWhiteSpace(code[exclusiveEnd])
? exclusiveEnd + 1 : exclusiveEnd;
var elem = CodeRange.ConvertFromIndiciesSkippingWhitespaces(
code, ref newInclusiveStart, ref newExclusiveEnd)
.FindInnermostNode(node);
Assert.That(CodeRange.Locate(elem), Is.EqualTo(newRange));
newRange.ConvertToIndicies(code, out newInclusiveStart, out newExclusiveEnd);
Assert.That(newRange, Is.EqualTo(range));
Assert.That(newInclusiveStart, Is.EqualTo(inclusiveStart));
Assert.That(newExclusiveEnd, Is.EqualTo(exclusiveEnd));
var scode = new StructuredCode(code);
Assert.That(
CodeRange.ConvertFromIndicies(scode, inclusiveStart, exclusiveEnd),
Is.EqualTo(range));
newRange.ConvertToIndicies(scode, out newInclusiveStart, out newExclusiveEnd);
Assert.That(newInclusiveStart, Is.EqualTo(inclusiveStart));
Assert.That(newExclusiveEnd, Is.EqualTo(exclusiveEnd));
}
private void InstrumentBranch(
LanguageSupport support, long fileId, long funcId, AstTransformer inserter, XElement func)
{
var branches = support.AstAnalyzer.FindBranches(func);
foreach (var branch in branches)
{
var position = CodeRange.Locate(branch);
var branchId = RegisterBranch(fileId, funcId, position);
inserter.InsertPredicate(branch, branchId, ElementType.Decision);
}
}
private void InstrumentStatement(
LanguageSupport support, long fileId, long funcId, AstTransformer inserter, XElement func)
{
var stmts = support.AstAnalyzer.FindStatements(func);
foreach (var stmt in stmts)
{
var position = CodeRange.Locate(stmt);
var stmtId = RegisterStatement(fileId, funcId, position);
inserter.InsertStatementBefore(stmt, stmtId, CodeTransformer.Done, ElementType.Statement);
}
}
public static IEnumerable <Tuple <int, LocationInfo> > GetSimilarElements(
CstGenerator cstGenerator, IEnumerable <LocationInfo> locations,
IEnumerable <FileInfo> targets,
int range = 5, bool inner = true, bool outer = true)
{
var path2Ast = new Dictionary <string, CstNode>();
var paths = locations.Select(l => l.FileInfo).Concat(targets)
.Select(f => f.FullName)
.ToHashSet();
foreach (var path in paths)
{
path2Ast.Add(path, cstGenerator.GenerateTreeFromCodePath(path));
}
var elements = new List <CstNode>();
foreach (var location in locations)
{
var root = path2Ast[location.FileInfo.FullName];
elements.Add(location.CodeRange.FindOutermostNode(root));
}
var names = AdoptNodeNames(elements);
var candidates = new Dictionary <string, IEnumerable <CstNode> >();
foreach (var keyAndValue in path2Ast)
{
candidates.Add(
keyAndValue.Key,
keyAndValue.Value.Descendants()
.Where(e => names.Contains(e.Name)));
}
var commonKeys = elements.GetCommonKeys(range, true, true);
return(candidates.SelectMany(
kv => {
var fileInfo = new FileInfo(kv.Key);
return kv.Value.Select(
e => Tuple.Create(
e.GetSurroundingKeys(range, inner, outer)
.Count(commonKeys.Contains),
e))
.Select(
t => Tuple.Create(
t.Item1, new LocationInfo {
FileInfo = fileInfo,
CodeRange = CodeRange.Locate(t.Item2),
}));
})
.OrderByDescending(t => t.Item1));
}
public Dictionary <CodeRange, CstNode> ExtractRange2Elements(CstNode ast)
{
var elements = ExtractElements(ast);
// Elements having the same range can appear so can't use ToDictiornary
var ret = new Dictionary <CodeRange, CstNode>();
foreach (var element in elements)
{
var range = CodeRange.Locate(element);
ret[range] = element;
}
return(ret);
}
public void FindElement()
{
var cst = new JavaCstGeneratorUsingAntlr3().GenerateTreeFromCodeText(@"
public class Hello {
public static void main(String[] args) {
System.out.println(1);
}
}");
var stmt = cst.Descendants("statement").First();
var pos = CodeRange.Locate(stmt);
Assert.That(pos.FindInnermostNode(cst), Is.EqualTo(stmt));
Assert.That(pos.FindOutermostNode(cst), Is.EqualTo(stmt.Parent));
}
private static CodeRange ConvertRangeToIndicies(
string code, CstNode node, out int inclusiveStart, out int exclusiveEnd)
{
var range = CodeRange.Locate(node);
range.ConvertToIndicies(code, out inclusiveStart, out exclusiveEnd);
Assert.That(
code.Substring(inclusiveStart, exclusiveEnd - inclusiveStart),
Is.EqualTo(node.Code.Trim()));
range.ConvertToIndicies(new StructuredCode(code), out inclusiveStart, out exclusiveEnd);
Assert.That(
code.Substring(inclusiveStart, exclusiveEnd - inclusiveStart),
Is.EqualTo(node.Code.Trim()));
return(range);
}
public void Locate()
{
var code = @"
public class Hello {
public static void main(String[] args) {
}
}";
var xml = new JavaCstGeneratorUsingAntlr3().GenerateTreeFromCodeText(code);
var id = xml.Descendants("IDENTIFIER").First();
var range = CodeRange.Locate(id);
Assert.That(range.GetCodeFragment(code), Is.EqualTo(id.TokenText));
Assert.That(
range.GetCodeFragment(new StructuredCode(code)),
Is.EqualTo(id.TokenText));
}
private void markToolStripMenuItem_Click(object sender, EventArgs e)
{
// Calculate the selected range
var selectedRange = GetSelectedRange();
// Get the selected element
// TODO: Should be use FindInnerElement or FindOuterElement ?
var element = selectedRange.FindOuterElement(_activeFile.Ast);
var range = CodeRange.Locate(element);
if (!_activeFile.Range2Elements.ContainsKey(range))
{
_activeFile.Range2Elements.Add(range, element);
NormalizeAllRange2Element(); // To show good element lists
DrawMarkers(_activeFile.Range2Elements, 0, 1);
ListElements(_activeFile.Range2Elements, lvMarkedElements);
}
}
public TestCase(string relativePath, string name, XElement node)
: this(relativePath, name, CodeRange.Locate(node))
{
}
public CoverageElement(string relativePath, XElement node, Tagger tagger)
{
RelativePath = relativePath;
Position = CodeRange.Locate(node);
Qualifiers = tagger.Tag(node);
}
