static IEnumerable <KeyValuePair <char, int> > GetTextWithoutCommentsAndStrings(Mono.TextEditor.Document doc, int start, int end)
{
bool isInString = false, isInChar = false;
bool isInLineComment = false, isInBlockComment = false;
for (int pos = start; pos < end; pos++)
{
char ch = doc.GetCharAt(pos);
switch (ch)
{
case '\r':
case '\n':
isInLineComment = false;
break;
case '/':
if (isInBlockComment)
{
if (pos > 0 && doc.GetCharAt(pos - 1) == '*')
{
isInBlockComment = false;
}
}
else if (!isInString && !isInChar && pos + 1 < doc.Length)
{
char nextChar = doc.GetCharAt(pos + 1);
if (nextChar == '/')
{
isInLineComment = true;
}
if (!isInLineComment && nextChar == '*')
{
isInBlockComment = true;
}
}
break;
case '"':
if (!(isInChar || isInLineComment || isInBlockComment))
{
isInString = !isInString;
}
break;
case '\'':
if (!(isInString || isInLineComment || isInBlockComment))
{
isInChar = !isInChar;
}
break;
default:
if (!(isInString || isInChar || isInLineComment || isInBlockComment))
{
yield return(new KeyValuePair <char, int> (ch, pos));
}
break;
}
}
}
void TestCreateMethod (string input, string outputString, bool returnWholeFile)
{
var generator = new CSharpCodeGeneratorNode ();
MonoDevelop.Projects.CodeGeneration.CodeGenerator.AddGenerator (generator);
var refactoring = new CreateMethodCodeGenerator ();
RefactoringOptions options = ExtractMethodTests.CreateRefactoringOptions (input);
Assert.IsTrue (refactoring.IsValid (options));
if (returnWholeFile) {
refactoring.SetInsertionPoint (CodeGenerationService.GetInsertionPoints (options.Document, refactoring.DeclaringType).First ());
} else {
DocumentLocation loc = new DocumentLocation (1, 1);
refactoring.SetInsertionPoint (new InsertionPoint (loc, NewLineInsertion.Eol, NewLineInsertion.Eol));
}
List<Change> changes = refactoring.PerformChanges (options, null);
// changes.ForEach (c => Console.WriteLine (c));
// get just the generated method.
string output = ExtractMethodTests.GetOutput (options, changes);
if (returnWholeFile) {
Assert.IsTrue (ExtractMethodTests.CompareSource (output, outputString), "Expected:" + Environment.NewLine + outputString + Environment.NewLine + "was:" + Environment.NewLine + output);
return;
}
output = output.Substring (0, output.IndexOf ('}') + 1).Trim ();
// crop 1 level of indent
Document doc = new Document (output);
foreach (LineSegment line in doc.Lines) {
if (doc.GetCharAt (line.Offset) == '\t')
((IBuffer)doc).Remove (line.Offset, 1);
}
output = doc.Text;
Assert.IsTrue (ExtractMethodTests.CompareSource (output, outputString), "Expected:" + Environment.NewLine + outputString + Environment.NewLine + "was:" + Environment.NewLine + output);
MonoDevelop.Projects.CodeGeneration.CodeGenerator.RemoveGenerator (generator);
}
int FindNextWordOffset (Document doc, int offset, bool subword)
{
int lineNumber = doc.OffsetToLineNumber (offset);
LineSegment line = doc.GetLine (lineNumber);
if (line == null)
return offset;
int result = offset;
int endOffset = line.Offset + line.EditableLength;
if (result == endOffset) {
line = doc.GetLine (lineNumber + 1);
if (line != null)
result = line.Offset;
return result;
}
CharacterClass current = GetCharacterClass (doc.GetCharAt (result), subword, false);
while (result < endOffset) {
CharacterClass next = GetCharacterClass (doc.GetCharAt (result), subword, false);
if (next != current) {
// camelCase and PascalCase handling
bool camelSkip = false;
if (next == CharacterClass.LowercaseLetter && current == CharacterClass.UppercaseLetter) {
if (result-2 > line.Offset) {
CharacterClass previous = GetCharacterClass (doc.GetCharAt (result-2), subword, false);
if (previous == CharacterClass.UppercaseLetter && result-2 > offset)
result--;
else
camelSkip = true;
}
}
if (!camelSkip)
break;
}
current = next;
result++;
}
while (result < endOffset && GetCharacterClass (doc.GetCharAt (result), subword, false) == CharacterClass.Whitespace) {
result++;
}
return result;
}
int FindNextWordOffset (Document doc, int offset, bool subword)
{
if (offset + 1 >= doc.Length)
return doc.Length;
int result = offset + 1;
CC previous = SW.GetCharacterClass (doc.GetCharAt (result), subword, treat_);
bool inIndentifier = previous != CC.Unknown && previous != CC.Whitespace;
while (result < doc.Length) {
char ch = doc.GetCharAt (result);
CC current = SW.GetCharacterClass (ch, subword, treat_);
//camelCase / PascalCase splitting
if (subword) {
if (current == CC.Digit && (previous != CC.Digit || (result-1 == offset && !Char.IsDigit (doc.GetCharAt (result-1))))) {
break;
} else if (previous == CC.Digit && current != CC.Digit) {
break;
} else if (current == CC.UppercaseLetter && previous != CC.UppercaseLetter) {
break;
} else if (current == CC.LowercaseLetter && previous == CC.UppercaseLetter && result - 2 > 0
&& SW.GetCharacterClass (doc.GetCharAt (result - 2), subword, treat_) != CC.LowercaseLetter)
{
result--;
break;
}
}
//else break at end of identifiers
if (previous != CC.Unknown && previous != CC.Whitespace) {
inIndentifier = true;
} else if (inIndentifier) {
result--;
break;
}
previous = current;
result++;
}
foreach (FoldSegment segment in doc.GetFoldingsFromOffset (result)) {
if (segment.IsFolded)
result = System.Math.Max (result, segment.EndLine.Offset + segment.EndColumn);
}
return result;
}
static int GetHomeMark (Document document, LineSegment line)
{
int result;
for (result = 0; result < line.EditableLength; result++)
if (!Char.IsWhiteSpace (document.GetCharAt (line.Offset + result)))
return result;
return result;
}
static InsertionPoint GetInsertionPosition (Document doc, int line, int column)
{
int bodyEndOffset = doc.LocationToOffset (line, column) + 1;
LineSegment curLine = doc.GetLine (line);
if (curLine != null) {
if (bodyEndOffset < curLine.Offset + curLine.EditableLength) {
System.Console.WriteLine (1);
// case1: positition is somewhere inside the start line
return new InsertionPoint (new DocumentLocation (line, column + 1), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
}
}
// -> if position is at line end check next line
LineSegment nextLine = doc.GetLine (line + 1);
if (nextLine == null) // check for 1 line case.
return new InsertionPoint (new DocumentLocation (line, column + 1), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
for (int i = nextLine.Offset; i < nextLine.EndOffset; i++) {
char ch = doc.GetCharAt (i);
if (!char.IsWhiteSpace (ch)) {
// case2: next line contains non ws chars.
System.Console.WriteLine (2);
return new InsertionPoint (new DocumentLocation (line + 1, 1), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
}
}
// case3: whitespace line
return new InsertionPoint (new DocumentLocation (line + 1, 1), NewLineInsertion.BlankLine, NewLineInsertion.None);
}
public char GetCharAt(int position)
{
return(document.GetCharAt(position));
}
public virtual char GetCharAt (Document doc, int offset)
{
return doc.GetCharAt (offset);
}
public static List<InsertionPoint> GetInsertionPoints (Document doc, IType type)
{
if (doc == null)
throw new ArgumentNullException ("doc");
if (type == null)
throw new ArgumentNullException ("type");
List<InsertionPoint> result = new List<InsertionPoint> ();
int offset = doc.LocationToOffset (type.BodyRegion.Start.Line, type.BodyRegion.Start.Column);
if (offset < 0)
return result;
while (offset < doc.Length && doc.GetCharAt (offset) != '{' && char.IsWhiteSpace (doc.GetCharAt (offset)))
offset++;
var realStartLocation = doc.OffsetToLocation (offset);
result.Add (GetInsertionPosition (doc, realStartLocation.Line, realStartLocation.Column));
result[0].LineBefore = NewLineInsertion.None;
foreach (IMember member in type.Members) {
DomLocation domLocation = member.BodyRegion.End;
if (domLocation.Line <= 0) {
LineSegment lineSegment = doc.GetLine (member.Location.Line);
if (lineSegment == null)
continue;
domLocation = new DomLocation (member.Location.Line, lineSegment.EditableLength + 1);
}
result.Add (GetInsertionPosition (doc, domLocation.Line, domLocation.Column));
}
result[result.Count - 1].LineAfter = NewLineInsertion.None;
CheckStartPoint (doc, result[0], result.Count == 1);
if (result.Count > 1)
CheckEndPoint (doc, result[result.Count - 1], result.Count == 1);
return result;
}
/// <summary>
/// This method gets the line indentation.
/// </summary>
/// <param name="doc">
/// The <see cref="Document"/> the line belongs to.
/// </param>
/// <returns>
/// The indentation of the line (all whitespace chars up to the first non ws char).
/// </returns>
public string GetIndentation (Document doc)
{
var result = new StringBuilder ();
int offset = Offset;
int max = System.Math.Min (offset + Length, doc.Length);
for (int i = offset; i < max; i++) {
char ch = doc.GetCharAt (i);
if (ch != ' ' && ch != '\t')
break;
result.Append (ch);
}
return result.ToString ();
}
static InsertionPoint GetInsertionPosition (Document doc, int line, int column)
{
LineSegment nextLine = doc.GetLine (line + 1);
int bodyEndOffset = doc.LocationToOffset (line, column) + 1;
int endOffset = nextLine != null ? nextLine.Offset : doc.Length;
for (int i = bodyEndOffset; i < endOffset; i++) {
char ch = doc.GetCharAt (i);
if (!char.IsWhiteSpace (ch))
return new InsertionPoint (doc.OffsetToLocation (i), true, true);
}
if (nextLine == null)
return new InsertionPoint (doc.OffsetToLocation (bodyEndOffset - 1), true, true);
int oldLine = line;
bool curLineEmpty = false;
if (doc.GetLineIndent (nextLine).Length == nextLine.EditableLength) {
curLineEmpty = true;
while (line + 2 < doc.LineCount && doc.GetLineIndent (line + 2).Length == doc.GetLine (line + 2).EditableLength)
line++;
}
bool insertBefore = !curLineEmpty && line - oldLine <= 1;
bool insertAfter = line - oldLine == 0;
// if (curLineEmpty)
// line++;
int lineNumber = line + 1;
return new InsertionPoint (new DocumentLocation (lineNumber, doc.GetLineIndent (lineNumber).Length), insertBefore, insertAfter);
}
internal static int ScanWord (Document doc, int offset, bool forwardDirection)
{
if (offset < 0 || offset >= doc.Length)
return offset;
var line = doc.GetLineByOffset (offset);
char first = doc.GetCharAt (offset);
while (offset >= line.Offset && offset < line.Offset + line.EditableLength) {
char ch = doc.GetCharAt (offset);
if (char.IsWhiteSpace (first) && !char.IsWhiteSpace (ch)
|| IsNoLetterOrDigit (first) && !IsNoLetterOrDigit (ch)
|| (char.IsLetterOrDigit (first) || first == '_') && !(char.IsLetterOrDigit (ch) || ch == '_'))
break;
offset = forwardDirection ? offset + 1 : offset - 1;
}
return System.Math.Min (line.Offset + line.EditableLength,
System.Math.Max (line.Offset, offset + (forwardDirection ? 0 : 1)));
}
int FindPrevWordOffset (Document doc, int offset, bool subword)
{
int lineNumber = doc.OffsetToLineNumber (offset);
LineSegment line = doc.GetLine (lineNumber);
if (line == null)
return offset;
int result = offset;
if (result == line.Offset) {
line = doc.GetLine (lineNumber - 1);
if (line != null)
result = line.Offset + line.EditableLength;
return result;
}
CharacterClass current = GetCharacterClass (doc.GetCharAt (result - 1), subword, false);
if (current == CharacterClass.Whitespace && result - 1 > line.Offset) {
result--;
current = GetCharacterClass (doc.GetCharAt (result - 2), subword, false);
}
while (result > line.Offset) {
CharacterClass prev = GetCharacterClass (doc.GetCharAt (result - 1), subword, false);
if (prev != current) {
// camelCase and PascalCase handling
bool camelSkip = false;
if (prev == CharacterClass.UppercaseLetter && current == CharacterClass.LowercaseLetter) {
if (result-2 > line.Offset) {
CharacterClass back2 = GetCharacterClass (doc.GetCharAt (result-2), subword, false);
if (back2 == CharacterClass.UppercaseLetter)
result--;
else
camelSkip = true;
}
}
if (!camelSkip)
break;
}
current = prev;
result--;
}
return result;
}
public int SearchMatchingBracketForward (System.ComponentModel.BackgroundWorker worker, Document document, int offset, char openBracket, char closingBracket)
{
bool isInBlockComment = false;
bool isInLineComment = false;
int curStringQuote = -1;
bool startsInLineComment = StartsInLineComment (document, offset);
List<string> lineComments = GetList (document, "LineComment");
List<string> blockCommentStarts = GetList (document, "BlockCommentStart");
List<string> blockCommentEnds = GetList (document, "BlockCommentEnd");
List<string> stringQuotes = GetList (document, "StringQuote");
int depth = -1;
while (offset >= 0 && offset < document.Length) {
if (worker != null && worker.CancellationPending)
return -1;
if (curStringQuote < 0) {
// check line comments
if (!isInBlockComment && !isInLineComment)
isInLineComment = StartsWithListMember (document, lineComments, offset) >= 0;
// check block comments
if (!isInLineComment) {
if (!isInBlockComment) {
isInBlockComment = StartsWithListMember (document, blockCommentStarts, offset) >= 0;
} else {
isInBlockComment = StartsWithListMember (document, blockCommentEnds, offset) < 0;
}
}
}
if (!isInBlockComment && !isInLineComment) {
int i = StartsWithListMember (document, stringQuotes, offset);
if (i >= 0) {
if (curStringQuote >= 0) {
if (curStringQuote == i)
curStringQuote = -1;
} else {
curStringQuote = i;
}
}
}
char ch = document.GetCharAt (offset);
switch (ch) {
case '\n':
case '\r':
if (startsInLineComment)
return -1;
isInLineComment = false;
break;
default :
if (ch == closingBracket) {
if (!(isInLineComment || curStringQuote >= 0 || isInBlockComment))
--depth;
} else if (ch == openBracket) {
if (!(isInLineComment || curStringQuote >= 0 || isInBlockComment)) {
++depth;
if (depth == 0)
return offset;
}
}
break;
}
offset++;
}
return -1;
}
/// <summary>
/// This method gets the line indentation.
/// </summary>
/// <param name="doc">
/// The <see cref="Document"/> the line belongs to.
/// </param>
/// <returns>
/// The indentation of the line (all whitespace chars up to the first non ws char).
/// </returns>
public string GetIndentation (Document doc)
{
StringBuilder result = new StringBuilder ();
int endOffset = this.Offset + this.EditableLength;
for (int i = Offset; i < endOffset; i++) {
char ch = doc.GetCharAt (i);
if (ch != ' ' && ch != '\t')
break;
result.Append (ch);
}
return result.ToString ();
}
// string expression;
/* IMember GetLanguageItem (Mono.TextEditor.Document document, LineSegment line, int offset, string expression)
* {
* string txt = document.Text;
* ExpressionResult expressionResult = new ExpressionResult (expression);
* // ExpressionResult expressionResult = expressionFinder.FindFullExpression (txt, offset);
* int lineNumber = document.OffsetToLineNumber (offset);
* expressionResult.Region = new DomRegion (lineNumber, offset - line.Offset, lineNumber, offset + expression.Length - line.Offset);
* expressionResult.ExpressionContext = ExpressionContext.IdentifierExpected;
*
* resolver = new NRefactoryResolver (ctx, doc.CompilationUnit, doc.TextEditor, document.FileName);
* ResolveResult result = resolver.Resolve (expressionResult, expressionResult.Region.Start);
*
* if (result is MemberResolveResult)
* return ((MemberResolveResult)result).ResolvedMember;
* return null;
* }*/
public override void Analyze(Mono.TextEditor.Document doc, LineSegment line, Chunk startChunk, int startOffset, int endOffset)
{
if (!MonoDevelop.Core.PropertyService.Get("EnableSemanticHighlighting", false) || doc == null || line == null || startChunk == null)
{
return;
}
ctx = GetParserContext(doc);
int lineNumber = doc.OffsetToLineNumber(line.Offset);
ParsedDocument parsedDocument = ProjectDomService.GetParsedDocument(ctx, doc.FileName);
ICompilationUnit unit = parsedDocument != null ? parsedDocument.CompilationUnit : null;
if (unit == null)
{
return;
}
for (Chunk chunk = startChunk; chunk != null; chunk = chunk.Next)
{
if (chunk.Style != "text")
{
continue;
}
for (int i = chunk.Offset; i < chunk.EndOffset; i++)
{
char charBefore = i > 0 ? doc.GetCharAt(i - 1) : '}';
if (Char.IsLetter(doc.GetCharAt(i)) && !Char.IsLetterOrDigit(charBefore))
{
}
else
{
continue;
}
int start = i;
bool wasWhitespace = false;
bool wasDot = false;
int bracketCount = 0;
while (start > 0)
{
char ch = doc.GetCharAt(start);
if (ch == '\n' || ch == '\r')
{
break;
}
if (wasWhitespace && IsNamePart(ch))
{
start++;
if (start < chunk.Offset)
{
start = Int32.MaxValue;
}
break;
}
if (ch == '<')
{
bracketCount--;
if (bracketCount < 0)
{
start++;
break;
}
start--;
wasWhitespace = false;
continue;
}
if (ch == '>')
{
if (wasWhitespace && !wasDot)
{
break;
}
bracketCount++;
start--;
wasWhitespace = false;
continue;
}
if (!IsNamePart(ch) && !Char.IsWhiteSpace(ch) && ch != '.')
{
start++;
break;
}
wasWhitespace = Char.IsWhiteSpace(ch);
wasDot = ch == '.' || wasDot && wasWhitespace;
start--;
}
int end = i;
int genericCount = 0;
wasWhitespace = false;
List <Segment> nameSegments = new List <Segment> ();
while (end < chunk.EndOffset)
{
char ch = doc.GetCharAt(end);
if (wasWhitespace && IsNamePart(ch))
{
break;
}
if (ch == '<')
{
genericCount = 1;
while (end < doc.Length)
{
ch = doc.GetCharAt(end);
if (ch == ',')
{
genericCount++;
}
if (ch == '>')
{
nameSegments.Add(new Segment(end, 1));
break;
}
end++;
}
break;
}
if (!IsNamePart(ch) && !Char.IsWhiteSpace(ch))
{
break;
}
wasWhitespace = Char.IsWhiteSpace(ch);
end++;
}
if (start >= end)
{
continue;
}
string typeString = doc.GetTextBetween(start, end);
IReturnType returnType = NRefactoryResolver.ParseReturnType(new ExpressionResult(typeString));
int nameEndOffset = start;
for (; nameEndOffset < end; nameEndOffset++)
{
char ch = doc.GetCharAt(nameEndOffset);
if (nameEndOffset >= i && ch == '<')
{
nameEndOffset++;
break;
}
}
nameSegments.Add(new Segment(i, nameEndOffset - i));
int column = i - line.Offset;
IType callingType = unit.GetTypeAt(lineNumber, column);
List <IReturnType> genericParams = null;
if (genericCount > 0)
{
genericParams = new List <IReturnType> ();
for (int n = 0; n < genericCount; n++)
{
genericParams.Add(new DomReturnType("A"));
}
}
IType type = null;
if (ctx != null)
{
type = ctx.SearchType((MonoDevelop.Projects.Dom.INode)callingType ?? unit, returnType);
}
if (type == null && unit != null && returnType != null)
{
type = unit.GetType(returnType.FullName, returnType.GenericArguments.Count);
}
if (ctx != null && type == null && returnType != null)
{
returnType.Name += "Attribute";
type = ctx.SearchType((MonoDevelop.Projects.Dom.INode)callingType ?? unit, returnType);
}
if (type != null)
{
nameSegments.ForEach(segment => HighlightSegment(startChunk, segment, "keyword.semantic.type"));
}
}
}
}
static InsertionPoint GetInsertionPosition (Document doc, int line, int column)
{
int bodyEndOffset = doc.LocationToOffset (line, column) + 1;
LineSegment curLine = doc.GetLine (line);
if (curLine != null) {
if (bodyEndOffset < curLine.Offset + curLine.EditableLength)
return new InsertionPoint (new DocumentLocation (line, column + 1), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
}
LineSegment nextLine = doc.GetLine (line + 1);
int endOffset = nextLine != null ? nextLine.Offset : doc.Length;
for (int i = bodyEndOffset; i < endOffset; i++) {
char ch = doc.GetCharAt (i);
if (!char.IsWhiteSpace (ch))
return new InsertionPoint (doc.OffsetToLocation (i), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
}
if (nextLine == null)
return new InsertionPoint (doc.OffsetToLocation (bodyEndOffset - 1), NewLineInsertion.BlankLine, NewLineInsertion.BlankLine);
int oldLine = line;
while (line < doc.LineCount && doc.GetLineIndent (line + 1).Length == doc.GetLine (line + 1).EditableLength)
line++;
NewLineInsertion insertBefore = NewLineInsertion.None;
NewLineInsertion insertAfter = NewLineInsertion.None;
int delta = line - oldLine;
int lineNumber = line + 1;
if (delta == 0) {
insertBefore = NewLineInsertion.Eol;
insertAfter = NewLineInsertion.BlankLine;
} else if (delta == 1) {
insertAfter = NewLineInsertion.BlankLine;
} else if (delta == 2) {
lineNumber--;
insertAfter = NewLineInsertion.BlankLine;
} else if (delta >= 3) {
lineNumber -= 2;
insertAfter = NewLineInsertion.None;
}
return new InsertionPoint (new DocumentLocation (lineNumber, doc.GetLineIndent (lineNumber).Length + 1), insertBefore, insertAfter);
}
static bool IsEmptyLine(Document doc, LineSegment line)
{
for (int i = 0; i < line.EditableLength; i++) {
char ch = doc.GetCharAt (line.Offset + i);
if (!Char.IsWhiteSpace (ch))
return false;
}
return true;
}
