| public GetCharAt ( Mono.TextEditor.DocumentLocation location ) : char | ||
| location | Mono.TextEditor.DocumentLocation | |
| Résultat | char | |
public override ICompletionDataList CodeCompletionCommand(CodeCompletionContext completionContext)
{
int triggerWordLength = 0;
char ch = completionContext.TriggerOffset > 0 ? textEditorData.GetCharAt(completionContext.TriggerOffset - 1) : '\0';
return(InternalHandleCodeCompletion(completionContext, ch, true, ref triggerWordLength));
}
public static string FindAttributeName (TextEditorData editor, ICompilationUnit unit, string fileName)
{
int caretOffset = editor.Caret.Offset;
int pos = -1;
for (int i = caretOffset - 1; i >= 0; i--) {
if (editor.GetCharAt (i) == '[') {
pos = i;
break;
}
}
if (pos <= 0)
return null;
pos++;
StringBuilder result = new StringBuilder ();
while (pos < caretOffset) {
char ch = editor.GetCharAt (pos);
if (!(Char.IsLetterOrDigit (ch) || ch == '_'))
break;
result.Append (ch);
pos++;
}
return result.ToString ();
}
void ConvertVerbatimStringToNormal (TextEditorData textEditorData, int offset)
{
var endOffset = offset;
while (endOffset < textEditorData.Length) {
char ch = textEditorData.GetCharAt (endOffset);
if (ch == '"' && (endOffset + 1 < textEditorData.Length && textEditorData.GetCharAt (endOffset + 1) == '"')) {
endOffset += 2;
continue;
}
if (ch == '"')
break;
endOffset++;
}
textEditorData.Replace (offset, endOffset - offset, ConvertToStringLiteral (ConvertFromVerbatimString (textEditorData.GetTextAt (offset, endOffset - offset))));
}
public ExpressionContext FindExactContextForObjectInitializer (TextEditorData editor, ICompilationUnit unit, string fileName, IType callingType)
{
int caretOffset = editor.Caret.Offset;
// create a table with all opening brackets
Dictionary<int, int> brackets = new Dictionary<int, int> ();
Stack<int> bracketStack = new Stack<int> ();
for (int i = 0; i < caretOffset; i++) {
char ch = editor.GetCharAt (i);
switch (ch) {
case '/':
if (i + 1 < caretOffset) {
if (editor.GetCharAt (i + 1) == '/') {
while (i < caretOffset) {
if (editor.GetCharAt (i) == '\n')
break;
i++;
}
} else if (editor.GetCharAt (i + 1) == '*') {
while (i + 1 < caretOffset) {
if (editor.GetCharAt (i) == '*' && editor.GetCharAt (i + 1) == '/')
break;
i++;
}
}
}
break;
case '(':
case '{':
case '[':
bracketStack.Push (i);
break;
case ')':
case '}':
case ']':
if (bracketStack.Count > 0)
brackets[i] = bracketStack.Pop ();
break;
}
}
bool foundCurlyBrace = false;
for (int i = caretOffset - 1; i >= 0; i--) {
char ch = editor.GetCharAt (i);
if (ch == '{') {
foundCurlyBrace = true;
} else if (ch == ')' || ch == '}' || ch == ']') {
int newPos;
if (brackets.TryGetValue (i, out newPos)) {
i = newPos;
// we've had a Property = new Name (), expression, now search for the '='
// otherwise the "new Name" would be falsly taken as object initializer
if (!foundCurlyBrace) {
while (i >= 0) {
if (editor.GetCharAt (i) == '=' || editor.GetCharAt (i) == ';')
break;
i--;
}
}
continue;
}
}
if (i + 4 < caretOffset && editor.GetTextAt (i, 4) == "new ") {
bool skip = false;
for (int j2 = i; j2 < caretOffset; j2++) {
if (editor.GetCharAt (j2) == '{')
break;
if (editor.GetCharAt (j2) == ',') {
skip = true;
break;
}
}
if (skip)
continue;
int j = i + 4;
while (j < caretOffset && Char.IsWhiteSpace (editor.GetCharAt (j)))
j++;
// int start = j;
while (j < caretOffset && (Char.IsLetterOrDigit (editor.GetCharAt (j)) || editor.GetCharAt (j) == '_' || editor.GetCharAt (j) == '.'))
j++;
ExpressionResult firstExprs = FindExpression (editor, j);
if (firstExprs.Expression != null) {
// skip ws
while (j < caretOffset && Char.IsWhiteSpace (editor.GetCharAt (j)))
j++;
if (editor.GetCharAt (j) == '[') {
StringBuilder expr = new StringBuilder (firstExprs.Expression);
while (j < caretOffset) {
ch = editor.GetCharAt (j);
switch (ch) {
case '[':
case ',':
case ']':
expr.Append (ch);
break;
case ' ':
case '\t':
break;
default:
j = caretOffset;
break;
}
j++;
}
firstExprs.Expression = expr.ToString ();
}
IReturnType unresolvedReturnType = NRefactoryResolver.ParseReturnType (firstExprs);
if (unresolvedReturnType != null) {
IType resolvedType = projectContent.SearchType (unit, (INode)callingType ?? unit, unresolvedReturnType);
return ExpressionContext.TypeDerivingFrom (resolvedType != null ? new DomReturnType (resolvedType) : null, unresolvedReturnType, true);
}
}
}
}
return null;
}
//
// TODO - It seems the support for properties varies
// depending on the ECMA script requested version.
// Fix the code here.
//
public static int GuessSemicolonInsertionOffset(TextEditorData data, DocumentLine currLine, int caretOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
int max = currLine.EndOffset;
// PORT NOTE: Honestly, this looks like a hack.
if (caretOffset - 2 >= currLine.Offset && data.Document.GetCharAt (caretOffset - 2) == ')')
return caretOffset;
int end = caretOffset;
while (end > 1 && Char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && Char.IsLetter (data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return caretOffset;
}
bool isInDQuotedString = false, isInSQuotedString = false;
bool isInLineComment = false , isInBlockComment = false;
// Compare the first check against the original one.
for (int pos = caretOffset; pos < max; pos++) {
if (pos == caretOffset) {
if (isInDQuotedString || isInSQuotedString || isInLineComment || isInBlockComment)
return pos;
}
char ch = data.Document.GetCharAt (pos);
switch (ch) {
case '/':
if (isInBlockComment) {
if (pos > 0 && data.Document.GetCharAt (pos - 1) == '*')
isInBlockComment = false;
} else if (!(isInDQuotedString || isInSQuotedString) && pos + 1 < max) {
char nextChar = data.Document.GetCharAt (pos + 1);
if (nextChar == '/') {
isInLineComment = true;
return lastNonWsOffset;
}
if (!isInLineComment && nextChar == '*') {
isInBlockComment = true;
return lastNonWsOffset;
}
}
break;
case '\\':
if (isInSQuotedString || isInDQuotedString)
pos++;
break;
case '"':
if (!(isInSQuotedString || isInLineComment || isInBlockComment)) {
if (isInDQuotedString && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"')
pos++;
else
isInDQuotedString = !isInDQuotedString;
}
break;
case '\'':
if (!(isInDQuotedString || isInLineComment || isInBlockComment))
isInSQuotedString = !isInSQuotedString;
break;
}
if (!Char.IsWhiteSpace (ch)) {
lastNonWsOffset = pos;
lastNonWsChar = ch;
}
}
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return caretOffset;
return lastNonWsOffset;
}
public static List<InsertionPoint> GetInsertionPoints (TextEditorData data, ParsedDocument parsedDocument, IUnresolvedTypeDefinition type)
{
if (data == null)
throw new ArgumentNullException ("data");
if (parsedDocument == null)
throw new ArgumentNullException ("parsedDocument");
if (type == null)
throw new ArgumentNullException ("type");
// update type from parsed document, since this is always newer.
//type = parsedDocument.GetInnermostTypeDefinition (type.GetLocation ()) ?? type;
List<InsertionPoint> result = new List<InsertionPoint> ();
int offset = data.LocationToOffset (type.Region.Begin);
if (offset < 0 || type.BodyRegion.IsEmpty)
return result;
while (offset < data.Length && data.GetCharAt (offset) != '{') {
offset++;
}
var realStartLocation = data.OffsetToLocation (offset);
result.Add (GetInsertionPosition (data.Document, realStartLocation.Line, realStartLocation.Column));
result [0].LineBefore = NewLineInsertion.None;
foreach (var member in type.Members) {
TextLocation domLocation = member.BodyRegion.End;
if (domLocation.Line <= 0) {
DocumentLine lineSegment = data.GetLine (member.Region.BeginLine);
if (lineSegment == null)
continue;
domLocation = new TextLocation (member.Region.BeginLine, lineSegment.Length + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
foreach (var nestedType in type.NestedTypes) {
TextLocation domLocation = nestedType.BodyRegion.End;
if (domLocation.Line <= 0) {
DocumentLine lineSegment = data.GetLine (nestedType.Region.BeginLine);
if (lineSegment == null)
continue;
domLocation = new TextLocation (nestedType.Region.BeginLine, lineSegment.Length + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
result [result.Count - 1].LineAfter = NewLineInsertion.None;
CheckStartPoint (data.Document, result [0], result.Count == 1);
if (result.Count > 1) {
result.RemoveAt (result.Count - 1);
NewLineInsertion insertLine;
var lineBefore = data.GetLine (type.BodyRegion.EndLine - 1);
if (lineBefore != null && lineBefore.Length == lineBefore.GetIndentation (data.Document).Length) {
insertLine = NewLineInsertion.None;
} else {
insertLine = NewLineInsertion.Eol;
}
// search for line start
int col = type.BodyRegion.EndColumn - 1;
var line = data.GetLine (type.BodyRegion.EndLine);
if (line != null) {
while (col > 1 && char.IsWhiteSpace (data.GetCharAt (line.Offset + col - 2)))
col--;
}
result.Add (new InsertionPoint (new DocumentLocation (type.BodyRegion.EndLine, col), insertLine, NewLineInsertion.Eol));
CheckEndPoint (data.Document, result [result.Count - 1], result.Count == 1);
}
foreach (var region in parsedDocument.UserRegions.Where (r => type.BodyRegion.IsInside (r.Region.Begin))) {
result.Add (new InsertionPoint (new DocumentLocation (region.Region.BeginLine + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.EndLine, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.EndLine + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
}
result.Sort ((left, right) => left.Location.CompareTo (right.Location));
return result;
}
static void ConvertVerbatimStringToNormal (TextEditorData textEditorData, int offset)
{
var endOffset = offset;
while (endOffset < textEditorData.Length) {
char ch = textEditorData.GetCharAt (endOffset);
if (ch == '"' && (endOffset + 1 < textEditorData.Length && textEditorData.GetCharAt (endOffset + 1) == '"')) {
endOffset += 2;
continue;
}
if (ch == '"') {
break;
}
endOffset++;
}
var plainText = TextPasteUtils.VerbatimStringStrategy.Decode (textEditorData.GetTextAt (offset, endOffset - offset));
var newText = TextPasteUtils.StringLiteralPasteStrategy.Instance.Encode (plainText);
textEditorData.Replace (offset, endOffset - offset, newText);
}
public static void SetCompletionText (TextEditorData data, CodeCompletionContext ctx, string partialWord, string completeWord, int wordOffset)
{
if (data == null || data.Document == null)
return;
int triggerOffset = ctx.TriggerOffset;
int length = String.IsNullOrEmpty (partialWord) ? 0 : partialWord.Length;
// for named arguments invoke(arg:<Expr>);
if (completeWord.EndsWith (":", StringComparison.Ordinal)) {
if (data.GetCharAt (triggerOffset + length) == ':')
length++;
}
bool blockMode = false;
if (data.IsSomethingSelected) {
blockMode = data.MainSelection.SelectionMode == Mono.TextEditor.SelectionMode.Block;
if (blockMode) {
data.Caret.PreserveSelection = true;
triggerOffset = data.Caret.Offset - length;
} else {
if (data.SelectionRange.Offset < ctx.TriggerOffset)
triggerOffset = ctx.TriggerOffset - data.SelectionRange.Length;
data.DeleteSelectedText ();
}
length = 0;
}
// | in the completion text now marks the caret position
int idx = completeWord.IndexOf ('|');
if (idx >= 0) {
completeWord = completeWord.Remove (idx, 1);
}
triggerOffset += data.EnsureCaretIsNotVirtual ();
if (blockMode) {
using (var undo = data.OpenUndoGroup ()) {
int minLine = data.MainSelection.MinLine;
int maxLine = data.MainSelection.MaxLine;
int column = triggerOffset - data.Document.GetLineByOffset (triggerOffset).Offset;
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++) {
DocumentLine lineSegment = data.Document.GetLine (lineNumber);
if (lineSegment == null)
continue;
int offset = lineSegment.Offset + column;
data.Replace (offset, length, completeWord);
}
int minColumn = Math.Min (data.MainSelection.Anchor.Column, data.MainSelection.Lead.Column);
data.MainSelection = data.MainSelection.WithRange (
new Mono.TextEditor.DocumentLocation (data.Caret.Line == minLine ? maxLine : minLine, minColumn),
data.Caret.Location
);
data.Document.CommitMultipleLineUpdate (data.MainSelection.MinLine, data.MainSelection.MaxLine);
data.Caret.PreserveSelection = false;
}
} else {
data.Replace (triggerOffset, length, completeWord);
}
data.Document.CommitLineUpdate (data.Caret.Line);
if (idx >= 0)
data.Caret.Offset = triggerOffset + idx;
}
public MonoDevelop.Projects.Dom.ResolveResult GetLanguageItem(ProjectDom dom, Mono.TextEditor.TextEditorData data, int offset, string expression)
{
string fileName = data.Document.FileName;
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
if (doc == null)
{
return(null);
}
IParser parser = ProjectDomService.GetParser(fileName);
if (parser == null)
{
return(null);
}
IResolver resolver = parser.CreateResolver(dom, doc, fileName);
IExpressionFinder expressionFinder = parser.CreateExpressionFinder(dom);
if (resolver == null || expressionFinder == null)
{
return(null);
}
int wordEnd = offset;
while (wordEnd < data.Length && (Char.IsLetterOrDigit(data.GetCharAt(wordEnd)) || data.GetCharAt(wordEnd) == '_'))
{
wordEnd++;
}
ExpressionResult expressionResult = new ExpressionResult(expression);
expressionResult.ExpressionContext = ExpressionContext.MethodBody;
DocumentLocation loc = data.Document.OffsetToLocation(offset);
string savedExpression = null;
ResolveResult resolveResult;
if (expressionResult.ExpressionContext == ExpressionContext.Attribute)
{
savedExpression = expressionResult.Expression;
expressionResult.Expression += "Attribute";
expressionResult.ExpressionContext = ExpressionContext.ObjectCreation;
}
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
if (savedExpression != null && resolveResult == null)
{
expressionResult.Expression = savedExpression;
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
}
if (expressionResult.Region.End.IsEmpty)
{
return(resolveResult);
}
// Search for possible generic parameters.
// if (this.resolveResult == null || this.resolveResult.ResolvedType == null || String.IsNullOrEmpty (this.resolveResult.ResolvedType.Name)) {
int j = data.Document.LocationToOffset(expressionResult.Region.End.Line, expressionResult.Region.End.Column);
int bracket = 0;
for (int i = j; i >= 0 && i < data.Document.Length; i++)
{
char ch = data.Document.GetCharAt(i);
if (Char.IsWhiteSpace(ch))
{
continue;
}
if (ch == '<')
{
bracket++;
}
else if (ch == '>')
{
bracket--;
if (bracket == 0)
{
expressionResult.Expression += data.Document.GetTextBetween(j, i + 1);
expressionResult.ExpressionContext = ExpressionContext.ObjectCreation;
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column)) ?? resolveResult;
break;
}
}
else
{
if (bracket == 0)
{
break;
}
}
}
// }
// To resolve method overloads the full expression must be parsed.
// ex.: Overload (1)/ Overload("one") - parsing "Overload" gives just a MethodResolveResult
if (resolveResult is MethodResolveResult)
{
resolveResult = resolver.Resolve(expressionFinder.FindFullExpression(data, wordEnd), new DomLocation(loc.Line, loc.Column)) ?? resolveResult;
}
return(resolveResult);
}
static bool TryFindSymbolBlock(TextEditorData data, char command, out SymbolBlock result)
{
char end, begin;
if (!BeginToEndCharMap.TryGetValue (command, out end)) end = command;
if (!EndToBeginCharMap.TryGetValue (command, out begin)) begin = command;
var offset = data.Caret.Offset;
var startTokenOffset = ParseForChar(data, offset, 0, end, begin, false);
var endTokenOffset = ParseForChar(data, offset, data.Length, begin, end, true);
// Use the editor's FindMatchingBrace built-in functionality. It's better at handling erroneous braces
// inside quotes. We still need to do the above paragraph because we needed to find the braces.
var matchingStartBrace = endTokenOffset.HasValue ? data.Document.GetMatchingBracketOffset(
endTokenOffset.GetValueOrDefault ()) : -1;
if (matchingStartBrace >= 0 && (!startTokenOffset.HasValue
|| matchingStartBrace != startTokenOffset.GetValueOrDefault ()))
startTokenOffset = matchingStartBrace;
var matchingEndBrace = startTokenOffset.HasValue && data.GetCharAt (offset) != end ?
data.Document.GetMatchingBracketOffset(startTokenOffset.GetValueOrDefault ()) : -1;
if (matchingEndBrace >= 0 && (!endTokenOffset.HasValue
|| matchingEndBrace != endTokenOffset.GetValueOrDefault ()))
endTokenOffset = matchingEndBrace;
if (!startTokenOffset.HasValue || !endTokenOffset.HasValue) throw new ViModeAbortException();
result = new SymbolBlock
{
StartOffset = startTokenOffset.GetValueOrDefault (),
EndOffset = endTokenOffset.GetValueOrDefault (),
StartLine = data.GetLineByOffset (startTokenOffset.GetValueOrDefault()),
EndLine = data.GetLineByOffset (endTokenOffset.GetValueOrDefault()),
};
return true;
}
static int? ParseForChar(TextEditorData data, int fromOffset, int toOffset, char oppositeToken, char findToken, bool forward)
{
int increment = forward ? 1 : -1;
var symbolCount = 0;
for (int i = fromOffset; forward && i < toOffset || !forward && i >= toOffset; i += increment)
{
var c = data.GetCharAt(i);
if (c == oppositeToken)
symbolCount++;
else if (c == findToken)
{
if (symbolCount == 0) return i;
symbolCount--;
}
}
return null;
}
string GetWordAtOffset (TextEditorData text, int offset, out int begin)
{
if (offset < 0 || offset >= text.Length)
{
begin = offset;
return String.Empty;
}
StringBuilder sb = new StringBuilder ();
int i = offset;
char c;
// Look forward for break char
for (i = offset; i < text.Length; i++)
{
c = text.GetCharAt (i);
if (Char.IsWhiteSpace (c))
break;
bool needsBreak = false;
switch (c) {
case '(':
case ')':
case '[':
case ']':
case '{':
case '}':
case ':':
case ',':
case '@':
case '.':
needsBreak = true;
break;
default:
sb.Append (c);
break;
}
if (Char.IsWhiteSpace (c) || needsBreak)
break;
}
if (offset > 0)
{
// look backwards for break char
for (i = offset - 1; i > 0; i--)
{
c = text.GetCharAt (i);
if (Char.IsWhiteSpace (c))
break;
bool needsBreak = false;
switch (c) {
case '(':
case ')':
case '[':
case ']':
case '{':
case '}':
case ':':
case ',':
case '@':
case '.':
needsBreak = true;
break;
default:
sb.Insert (0, c);
break;
}
if (needsBreak)
break;
}
}
begin = i;
return sb.ToString ();
}
public static bool GuessSemicolonInsertionOffset (TextEditorData data, ISegment curLine, int caretOffset, out int outOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
outOffset = caretOffset;
int max = curLine.EndOffset;
int end = caretOffset;
while (end > 1 && char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && char.IsLetter (data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return false;
}
var offset = curLine.Offset;
string lineText = data.GetTextAt (caretOffset, max - caretOffset);
var lexer = new CSharpCompletionEngineBase.MiniLexer (lineText);
lexer.Parse ((ch, i) => {
if (lexer.IsInSingleComment || lexer.IsInMultiLineComment)
return true;
if (ch == '}' && lexer.IsFistNonWs && !IsSemicolonalreadyPlaced (data, caretOffset)) {
lastNonWsChar = ';';
return true;
}
if (!char.IsWhiteSpace (ch)) {
lastNonWsOffset = caretOffset + i;
lastNonWsChar = ch;
}
return false;
});
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return false;
outOffset = lastNonWsOffset;
return true;
}
static int SearchMatchingBracket (TextEditorData editor, int offset, char openBracket, char closingBracket, int direction)
{
bool isInString = false;
bool isInChar = false;
bool isInBlockComment = false;
int depth = -1;
while (offset >= 0 && offset < editor.Length) {
char ch = editor.GetCharAt (offset);
switch (ch) {
case '/':
if (isInBlockComment)
isInBlockComment = editor.GetCharAt (offset + direction) != '*';
if (!isInString && !isInChar && offset - direction < editor.Length)
isInBlockComment = offset > 0 && editor.GetCharAt (offset - direction) == '*';
break;
case '"':
if (!isInChar && !isInBlockComment)
isInString = !isInString;
break;
case '\'':
if (!isInString && !isInBlockComment)
isInChar = !isInChar;
break;
default :
if (ch == closingBracket) {
if (!(isInString || isInChar || isInBlockComment))
--depth;
} else if (ch == openBracket) {
if (!(isInString || isInChar || isInBlockComment)) {
++depth;
if (depth == 0)
return offset;
}
}
break;
}
offset += direction;
}
return -1;
}
public MonoDevelop.Projects.Dom.ResolveResult GetLanguageItem(ProjectDom dom, Mono.TextEditor.TextEditorData data, int offset)
{
if (offset < 0)
{
return(null);
}
string fileName = data.Document.FileName;
IParser parser = ProjectDomService.GetParser(fileName);
if (parser == null)
{
return(null);
}
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
if (doc == null)
{
return(null);
}
IResolver resolver = parser.CreateResolver(dom, doc, fileName);
if (resolver == null)
{
return(null);
}
var expressionFinder = new NewCSharpExpressionFinder(dom);
int wordEnd = Math.Min(offset, data.Length - 1);
if (wordEnd < 0)
{
return(null);
}
if (data.GetCharAt(wordEnd) == '@')
{
wordEnd++;
}
while (wordEnd < data.Length && (Char.IsLetterOrDigit(data.GetCharAt(wordEnd)) || data.GetCharAt(wordEnd) == '_'))
{
wordEnd++;
}
while (wordEnd < data.Length - 1 && Char.IsWhiteSpace(data.GetCharAt(wordEnd)))
{
wordEnd++;
}
/* is checked at the end.
* int saveEnd = wordEnd;
* if (wordEnd < data.Length && data.GetCharAt (wordEnd) == '<') {
* int matchingBracket = data.Document.GetMatchingBracketOffset (wordEnd);
* if (matchingBracket > 0)
* wordEnd = matchingBracket;
* while (wordEnd < data.Length - 1 && Char.IsWhiteSpace (data.GetCharAt (wordEnd)))
* wordEnd++;
* }
*
* bool wasMethodCall = false;
* if (data.GetCharAt (wordEnd) == '(') {
* int matchingBracket = data.Document.GetMatchingBracketOffset (wordEnd);
* if (matchingBracket > 0) {
* wordEnd = matchingBracket;
* wasMethodCall = true;
* }
* }
* if (!wasMethodCall)
* wordEnd = saveEnd;*/
ExpressionResult expressionResult = expressionFinder.FindExpression(data, wordEnd);
if (expressionResult == null)
{
return(null);
}
ResolveResult resolveResult;
DocumentLocation loc = data.Document.OffsetToLocation(offset);
string savedExpression = null;
// special handling for 'var' "keyword"
if (expressionResult.ExpressionContext == ExpressionContext.IdentifierExpected && expressionResult.Expression != null && expressionResult.Expression.Trim() == "var")
{
int endOffset = data.Document.LocationToOffset(expressionResult.Region.End.Line, expressionResult.Region.End.Column);
StringBuilder identifer = new StringBuilder();
for (int i = endOffset; i >= 0 && i < data.Document.Length; i++)
{
char ch = data.Document.GetCharAt(i);
if (Char.IsWhiteSpace(ch))
{
continue;
}
if (ch == '=')
{
break;
}
if (Char.IsLetterOrDigit(ch) || ch == '_')
{
identifer.Append(ch);
continue;
}
identifer.Length = 0;
break;
}
if (identifer.Length > 0)
{
expressionResult.Expression = identifer.ToString();
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
if (resolveResult != null)
{
resolveResult = new MemberResolveResult(dom.GetType(resolveResult.ResolvedType));
resolveResult.ResolvedExpression = expressionResult;
return(resolveResult);
}
}
}
if (expressionResult.ExpressionContext == ExpressionContext.Attribute && !string.IsNullOrEmpty(expressionResult.Expression))
{
savedExpression = expressionResult.Expression;
expressionResult.Expression = expressionResult.Expression.Trim() + "Attribute";
expressionResult.ExpressionContext = ExpressionContext.ObjectCreation;
}
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
if (savedExpression != null && resolveResult == null)
{
expressionResult.Expression = savedExpression;
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
}
// Search for possible generic parameters.
// if (this.resolveResult == null || this.resolveResult.ResolvedType == null || String.IsNullOrEmpty (this.resolveResult.ResolvedType.Name)) {
if (!expressionResult.Region.IsEmpty)
{
int j = data.Document.LocationToOffset(expressionResult.Region.End.Line, expressionResult.Region.End.Column);
int bracket = 0;
for (int i = j; i >= 0 && i < data.Document.Length; i++)
{
char ch = data.Document.GetCharAt(i);
if (Char.IsWhiteSpace(ch))
{
continue;
}
if (ch == '<')
{
bracket++;
}
else if (ch == '>')
{
bracket--;
if (bracket == 0)
{
expressionResult.Expression += data.Document.GetTextBetween(j, i + 1);
expressionResult.ExpressionContext = ExpressionContext.ObjectCreation;
resolveResult = resolver.Resolve(expressionResult, new DomLocation(loc.Line, loc.Column));
break;
}
}
else
{
if (bracket == 0)
{
break;
}
}
}
}
// To resolve method overloads the full expression must be parsed.
// ex.: Overload (1)/ Overload("one") - parsing "Overload" gives just a MethodResolveResult
// and for constructor initializers it's tried too to to resolve constructor overloads.
if (resolveResult is ThisResolveResult ||
resolveResult is BaseResolveResult ||
resolveResult is MethodResolveResult && ((MethodResolveResult)resolveResult).Methods.Count > 1)
{
// put the search offset at the end of the invocation to be able to find the full expression
// the resolver finds it itself if spaces are between the method name and the argument opening parentheses.
while (wordEnd < data.Length - 1 && Char.IsWhiteSpace(data.GetCharAt(wordEnd)))
{
wordEnd++;
}
if (data.GetCharAt(wordEnd) == '(')
{
int matchingBracket = data.Document.GetMatchingBracketOffset(wordEnd);
if (matchingBracket > 0)
{
wordEnd = matchingBracket;
}
}
//Console.WriteLine (expressionFinder.FindFullExpression (txt, wordEnd));
ResolveResult possibleResult = resolver.Resolve(expressionFinder.FindFullExpression(data, wordEnd), new DomLocation(loc.Line, loc.Column)) ?? resolveResult;
//Console.WriteLine ("possi:" + resolver.Resolve (expressionFinder.FindFullExpression (txt, wordEnd), new DomLocation (loc.Line, loc.Column)));
if (possibleResult is MethodResolveResult)
{
resolveResult = possibleResult;
}
}
return(resolveResult);
}
static int FindPrevWordStart (TextEditorData editor, int offset)
{
while (--offset >= 0 && !Char.IsWhiteSpace (editor.GetCharAt (offset)))
;
return ++offset;
}
public ExpressionContext FindExactContextForNewCompletion (TextEditorData editor, ICompilationUnit unit, string fileName, IType callingType, int cursorPos)
{
// find expression on left hand side of the assignment
int caretOffset = editor.Caret.Offset;
int pos = -1;
for (int i = caretOffset - 1; i >= 0; i--) {
if (editor.GetCharAt (i) == '=') {
if (i > 0 && (editor.GetCharAt (i - 1) == '+' || editor.GetCharAt (i - 1) == '-'))
i--;
pos = i;
break;
}
}
if (pos <= 0)
return null;
// check if new +=/-=/= is right before "new"
for (int i = pos; i < cursorPos; i++) {
char ch = editor.GetCharAt (i);
if (Char.IsWhiteSpace (ch))
continue;
if (ch != '=' && ch != '+' && ch != '-' && ch != 'n' && ch != 'e' && ch != 'w')
return null;
}
int lastWs = pos - 1;
while (lastWs > 0 && char.IsWhiteSpace (editor.GetCharAt (lastWs)))
lastWs--;
int varTypePos = lastWs;
while (varTypePos > 0 && !char.IsWhiteSpace (editor.GetCharAt (varTypePos)))
varTypePos--;
while (varTypePos > 0 && char.IsWhiteSpace (editor.GetCharAt (varTypePos)))
varTypePos--;
ExpressionResult possibleTypeExpression = FindFullExpression (editor, varTypePos);
if (possibleTypeExpression.Expression != null) {
if (possibleTypeExpression.Expression == "var")
return ExpressionContext.TypeDerivingFrom (DomReturnType.Object, DomReturnType.Object, true);
IReturnType unresolvedReturnType = NRefactoryResolver.ParseReturnType (possibleTypeExpression);
if (unresolvedReturnType != null) {
IType resolvedType = projectContent.SearchType (unit, callingType, new DomLocation (editor.Caret.Line, editor.Caret.Column), unresolvedReturnType);
if (resolvedType != null)
return ExpressionContext.TypeDerivingFrom (new DomReturnType (resolvedType), unresolvedReturnType, true);
}
}
ExpressionResult lhsExpr = FindFullExpression (editor, lastWs);
if (lhsExpr.Expression != null) {
NRefactoryResolver resolver = new NRefactoryResolver (projectContent, unit, ICSharpCode.OldNRefactory.SupportedLanguage.CSharp, editor, fileName);
ResolveResult rr = resolver.Resolve (lhsExpr, new DomLocation (editor.Caret.Line, editor.Caret.Column));
//ResolveResult rr = ParserService.Resolve (lhsExpr, currentLine.LineNumber, pos, editor.FileName, editor.Text);
if (rr != null && rr.ResolvedType != null) {
ExpressionContext context;
IType c;
/* if (rr.ResolvedType.IsArrayReturnType) {
// when creating an array, all classes deriving from the array's element type are allowed
IReturnType elementType = rr.ResolvedType.CastToArrayReturnType().ArrayElementType;
c = elementType != null ? dom.GetType (elementType) : null;
context = ExpressionContext.TypeDerivingFrom(elementType, false);
} else */ {
// when creating a normal instance, all non-abstract classes deriving from the type
// are allowed
c = projectContent.GetType (rr.ResolvedType);
context = ExpressionContext.TypeDerivingFrom (rr.ResolvedType, null, true);
}
if (c != null && !context.FilterEntry (c)) {
// Try to suggest an entry (List<int> a = new => suggest List<int>).
string suggestedClassName = null;
/*LanguageProperties.CSharp.CodeGenerator.GenerateCode(
CodeGenerator.ConvertType(
rr.ResolvedType,
new ClassFinder(ParserService.GetParseInformation(editor.FileName), editor.ActiveTextAreaControl.Caret.Line + 1, editor.ActiveTextAreaControl.Caret.Column + 1)
), "");*/ if (suggestedClassName != c.Name) {
// create an IType instance that includes the type arguments in its name
//context.DefaultItem = new RenamedClass (c, suggestedClassName);
} else {
context.DefaultItem = c;
}
}
return context;
}
}
return null;
}
static void ConvertNormalToVerbatimString (TextEditorData textEditorData, int offset)
{
var endOffset = offset;
while (endOffset < textEditorData.Length) {
char ch = textEditorData.GetCharAt (endOffset);
if (ch == '\\') {
if (endOffset + 1 < textEditorData.Length && NewLine.IsNewLine (textEditorData.GetCharAt (endOffset + 1)))
return;
endOffset += 2;
continue;
}
if (ch == '"')
break;
if (NewLine.IsNewLine (ch))
return;
endOffset++;
}
if (offset > endOffset || endOffset == textEditorData.Length)
return;
var plainText = TextPasteUtils.StringLiteralPasteStrategy.Instance.Decode (textEditorData.GetTextAt (offset, endOffset - offset));
var newText = TextPasteUtils.VerbatimStringStrategy.Encode (plainText);
textEditorData.Replace (offset, endOffset - offset, newText);
}
public static List<InsertionPoint> GetInsertionPoints (TextEditorData data, ParsedDocument parsedDocument, IType type)
{
if (data == null)
throw new ArgumentNullException ("data");
if (parsedDocument == null)
throw new ArgumentNullException ("parsedDocument");
if (type == null)
throw new ArgumentNullException ("type");
List<InsertionPoint> result = new List<InsertionPoint> ();
int offset = data.LocationToOffset (type.BodyRegion.Start.Line, type.BodyRegion.Start.Column);
if (offset < 0)
return result;
while (offset < data.Length && data.GetCharAt (offset) != '{') {
offset++;
}
var realStartLocation = data.OffsetToLocation (offset);
result.Add (GetInsertionPosition (data.Document, 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 = data.GetLine (member.Location.Line);
if (lineSegment == null)
continue;
domLocation = new DomLocation (member.Location.Line, lineSegment.EditableLength + 1);
}
result.Add (GetInsertionPosition (data.Document, domLocation.Line, domLocation.Column));
}
result[result.Count - 1].LineAfter = NewLineInsertion.None;
CheckStartPoint (data.Document, result[0], result.Count == 1);
if (result.Count > 1) {
result.RemoveAt (result.Count - 1);
NewLineInsertion insertLine;
var lineBefore = data.GetLine (type.BodyRegion.End.Line - 1);
if (lineBefore != null && lineBefore.EditableLength == lineBefore.GetIndentation (data.Document).Length) {
insertLine = NewLineInsertion.None;
} else {
insertLine = NewLineInsertion.Eol;
}
// search for line start
var line = data.GetLine (type.BodyRegion.End.Line);
int col = type.BodyRegion.End.Column - 1;
while (col > 1 && char.IsWhiteSpace (data.GetCharAt (line.Offset + col - 2)))
col--;
result.Add (new InsertionPoint (new DocumentLocation (type.BodyRegion.End.Line, col), insertLine, NewLineInsertion.Eol));
CheckEndPoint (data.Document, result[result.Count - 1], result.Count == 1);
}
foreach (var region in parsedDocument.UserRegions.Where (r => type.BodyRegion.Contains (r.Region))) {
result.Add (new InsertionPoint (new DocumentLocation (region.Region.Start.Line + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.End.Line, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
result.Add (new InsertionPoint (new DocumentLocation (region.Region.End.Line + 1, 1), NewLineInsertion.Eol, NewLineInsertion.Eol));
}
result.Sort ((left, right) => left.Location.CompareTo (right.Location));
return result;
}
public static bool GuessSemicolonInsertionOffset (TextEditorData data, IDocumentLine curLine, int caretOffset, out int outOffset)
{
int lastNonWsOffset = caretOffset;
char lastNonWsChar = '\0';
outOffset = caretOffset;
int max = curLine.EndOffset;
// if (caretOffset - 2 >= curLine.Offset && data.Document.GetCharAt (caretOffset - 2) == ')' && !IsSemicolonalreadyPlaced (data, caretOffset))
// return false;
int end = caretOffset;
while (end > 1 && char.IsWhiteSpace (data.GetCharAt (end)))
end--;
int end2 = end;
while (end2 > 1 && char.IsLetter(data.GetCharAt (end2 - 1)))
end2--;
if (end != end2) {
string token = data.GetTextBetween (end2, end + 1);
// guess property context
if (token == "get" || token == "set")
return false;
}
bool isInString = false , isInChar= false , isVerbatimString= false;
bool isInLineComment = false , isInBlockComment= false;
bool firstChar = true;
for (int pos = caretOffset; pos < max; pos++) {
if (pos == caretOffset) {
if (isInString || isInChar || isVerbatimString || isInLineComment || isInBlockComment) {
outOffset = pos;
return true;
}
}
char ch = data.Document.GetCharAt (pos);
switch (ch) {
case '}':
if (firstChar && !IsSemicolonalreadyPlaced (data, caretOffset))
return false;
break;
case '/':
if (isInBlockComment) {
if (pos > 0 && data.Document.GetCharAt (pos - 1) == '*')
isInBlockComment = false;
} else if (!isInString && !isInChar && pos + 1 < max) {
char nextChar = data.Document.GetCharAt (pos + 1);
if (nextChar == '/') {
outOffset = lastNonWsOffset;
return true;
}
if (!isInLineComment && nextChar == '*') {
outOffset = lastNonWsOffset;
return true;
}
}
break;
case '\\':
if (isInChar || (isInString && !isVerbatimString))
pos++;
break;
case '@':
if (!(isInString || isInChar || isInLineComment || isInBlockComment) && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"') {
isInString = true;
isVerbatimString = true;
pos++;
}
break;
case '"':
if (!(isInChar || isInLineComment || isInBlockComment)) {
if (isInString && isVerbatimString && pos + 1 < max && data.Document.GetCharAt (pos + 1) == '"') {
pos++;
} else {
isInString = !isInString;
isVerbatimString = false;
}
}
break;
case '\'':
if (!(isInString || isInLineComment || isInBlockComment))
isInChar = !isInChar;
break;
}
if (!char.IsWhiteSpace (ch)) {
firstChar = false;
lastNonWsOffset = pos;
lastNonWsChar = ch;
}
}
// if the line ends with ';' the line end is not the correct place for a new semicolon.
if (lastNonWsChar == ';')
return false;
outOffset = lastNonWsOffset;
return true;
}
public ExpressionContext FindExactContextForAsCompletion (TextEditorData editor, ICompilationUnit unit, string fileName, IType callingType)
{
// find expression on left hand side of the assignment
int caretOffset = editor.Caret.Offset;
int pos = -1;
for (int i = caretOffset - 1; i >= 0; i--) {
char ch = editor.GetCharAt (i);
if (Char.IsWhiteSpace (ch))
continue;
if (ch == '=') {
pos = i;
break;
}
if (!(Char.IsLetterOrDigit (ch) || ch == '_'))
return null;
}
if (pos <= 0)
return null;
int lastWs = pos - 1;
while (lastWs > 0 && Char.IsWhiteSpace (editor.GetCharAt (lastWs)))
lastWs--;
while (lastWs > 0 && !Char.IsWhiteSpace (editor.GetCharAt (lastWs)))
lastWs--;
ExpressionResult firstExprs = FindExpression (editor, lastWs);
if (firstExprs.Expression != null) {
IReturnType unresolvedReturnType = NRefactoryResolver.ParseReturnType (firstExprs);
if (unresolvedReturnType != null) {
IType resolvedType = projectContent.SearchType (unit, (INode)callingType ?? unit, unresolvedReturnType);
return ExpressionContext.TypeDerivingFrom (resolvedType != null ? new DomReturnType (resolvedType) : null, unresolvedReturnType, true);
}
}
ExpressionResult lhsExpr = FindExpression (editor, pos);
if (lhsExpr.Expression != null) {
NRefactoryResolver resolver = new NRefactoryResolver (projectContent, unit, ICSharpCode.NRefactory.SupportedLanguage.CSharp, editor, fileName);
ResolveResult rr = resolver.Resolve (lhsExpr, new DomLocation (editor.Caret.Line, editor.Caret.Column));
//ResolveResult rr = ParserService.Resolve (lhsExpr, currentLine.LineNumber, pos, editor.FileName, editor.Text);
if (rr != null && rr.ResolvedType != null) {
ExpressionContext context;
IType c;
/* if (rr.ResolvedType.IsArrayReturnType) {
// when creating an array, all classes deriving from the array's element type are allowed
IReturnType elementType = rr.ResolvedType.CastToArrayReturnType().ArrayElementType;
c = elementType != null ? dom.GetType (elementType) : null;
context = ExpressionContext.TypeDerivingFrom(elementType, false);
} else */ {
// when creating a normal instance, all non-abstract classes deriving from the type
// are allowed
c = projectContent.GetType (rr.ResolvedType);
context = ExpressionContext.TypeDerivingFrom (rr.ResolvedType, null, true);
}
if (c != null && !context.FilterEntry (c)) {
// Try to suggest an entry (List<int> a = new => suggest List<int>).
string suggestedClassName = null;
/*LanguageProperties.CSharp.CodeGenerator.GenerateCode(
CodeGenerator.ConvertType(
rr.ResolvedType,
new ClassFinder(ParserService.GetParseInformation(editor.FileName), editor.ActiveTextAreaControl.Caret.Line, editor.ActiveTextAreaControl.Caret.Column)
), "");*/ if (suggestedClassName != c.Name) {
// create an IType instance that includes the type arguments in its name
//context.DefaultItem = new RenamedClass (c, suggestedClassName);
} else {
context.DefaultItem = c;
}
}
return context;
}
}
return null;
}
private InsertionPoint GetInsertionPoint(MonoDevelop.Ide.Gui.Document document, IType type)
{
data = document.Editor;
if (data == null) {
throw new System.ArgumentNullException ("data");
}
var parsedDocument = document.ParsedDocument;
if (parsedDocument == null) {
throw new System.ArgumentNullException ("parsedDocument");
}
if (type == null) {
throw new System.ArgumentNullException ("type");
}
type = (parsedDocument.CompilationUnit.GetTypeAt (type.Location) ?? type);
DomRegion domRegion = type.BodyRegion;
var start = type.BodyRegion.Start.Line;
indent = data.GetLine(start).GetIndentation(data.Document);
DomLocation domLocation = domRegion.End;
int num = data.LocationToOffset (domLocation.Line, 1);
while (num < data.Length && data.GetCharAt(num) != '}') {
num++;
}
num++;
DocumentLocation documentLocation = data.OffsetToLocation (num);
LineSegment lineAfterClassEnd = data.GetLine (domLocation.Line + 1);
NewLineInsertion lineAfter;
if (lineAfterClassEnd != null && lineAfterClassEnd.EditableLength == lineAfterClassEnd.GetIndentation (data.Document).Length)
lineAfter = NewLineInsertion.BlankLine;
else
lineAfter = NewLineInsertion.None;
return new InsertionPoint (documentLocation, NewLineInsertion.None, lineAfter);
}
public static void Left(TextEditorData data)
{
using (var undo = data.OpenUndoGroup()) {
if (Platform.IsMac && data.IsSomethingSelected && !data.Caret.PreserveSelection)
{
data.Caret.Offset = System.Math.Min(data.SelectionAnchor, data.Caret.Offset);
data.ClearSelection();
return;
}
if (data.Caret.Column > DocumentLocation.MinColumn)
{
DocumentLine line = data.Document.GetLine(data.Caret.Line);
if (data.Caret.Column > line.Length + 1)
{
if (data.Caret.AllowCaretBehindLineEnd)
{
data.Caret.Column--;
}
else
{
data.Caret.Column = line.Length + 1;
}
}
else
{
int offset = data.Caret.Offset - 1;
bool foundFolding = false;
foreach (var folding in data.Document.GetFoldingsFromOffset(offset).Where(f => f.IsCollapsed && f.Offset < offset))
{
offset = System.Math.Min(offset, folding.Offset);
foundFolding = true;
}
if (!foundFolding)
{
var layout = data.Parent?.TextViewMargin?.GetLayout(line);
if (layout != null && data.Caret.Column < line.Length)
{
uint curIndex = 0, byteIndex = 0;
int utf8ByteIndex = (int)layout.TranslateToUTF8Index((uint)(offset - line.Offset), ref curIndex, ref byteIndex);
layout.Layout.GetCursorPos(utf8ByteIndex, out var strong_pos, out var weak_pos);
if (strong_pos.X != weak_pos.X)
{
offset--;
}
}
}
data.Caret.Offset = offset;
}
}
else if (data.Caret.Line > DocumentLocation.MinLine)
{
DocumentLine prevLine = data.Document.GetLine(data.Caret.Line - 1);
var nextLocation = new DocumentLocation(data.Caret.Line - 1, prevLine.Length + 1);
if (data.HasIndentationTracker && data.Options.IndentStyle == IndentStyle.Virtual && nextLocation.Column == DocumentLocation.MinColumn)
{
nextLocation = new DocumentLocation(data.Caret.Line - 1, data.GetVirtualIndentationColumn(nextLocation));
}
data.Caret.Location = nextLocation;
}
var curOffset = data.Caret.Offset;
if (curOffset > 0 && curOffset < data.Length && ((ushort)data.GetCharAt(curOffset) & LowSurrogateMarker) == LowSurrogateMarker)
{
data.Caret.Offset--;
}
}
}