static void AddSpecialItems(ref VBNetCompletionItemList result, ParseInformation info, IReturnType resolvedType, IMember m, ExpressionResult expressionResult, ITextEditor editor)
{
if (expressionResult.Context == ExpressionContext.Type && m != null && m.BodyRegion.IsInside(editor.Caret.Line, editor.Caret.Column))
{
result.Items.Add(new DefaultCompletionItem("? =")
{
Image = ClassBrowserIconService.GotoArrow,
Description = StringParser.Parse("${res:AddIns.VBNetBinding.CodeCompletion.QuestionmarkEqualsItem.Description}")
});
}
if (resolvedType != null && AllowsDescendentAccess(resolvedType, info.CompilationUnit.ProjectContent))
{
result.Items.Add(new DefaultCompletionItem("..")
{
Image = ClassBrowserIconService.GotoArrow
});
}
if (resolvedType != null && AllowsAttributeValueAccess(resolvedType, info.CompilationUnit.ProjectContent))
{
result.Items.Add(new DefaultCompletionItem("@")
{
Image = ClassBrowserIconService.GotoArrow
});
}
}
static void HandleKeyword(ref VBNetCompletionItemList result, IReturnType resolvedType, string word, IClass c, IMember m, ITextEditor editor, char pressedKey)
{
if (pressedKey == ' ')
{
if (word.Equals("return", StringComparison.OrdinalIgnoreCase) && m != null)
{
c = m.ReturnType != null?m.ReturnType.GetUnderlyingClass() : null;
if (c != null)
{
foreach (CodeCompletionItem item in result.Items.OfType <CodeCompletionItem>())
{
IClass itemClass = item.Entity as IClass;
if (itemClass != null && c.FullyQualifiedName == itemClass.FullyQualifiedName && c.TypeParameters.Count == itemClass.TypeParameters.Count)
{
result.SuggestedItem = item;
break;
}
}
}
}
if (word.Equals("overrides", StringComparison.OrdinalIgnoreCase) && c != null)
{
result = new OverrideCompletionItemProvider().GenerateCompletionList(editor).ToVBCCList();
}
}
}
static bool ShowCompletion(ExpressionResult result, ITextEditor editor, char ch)
{
VBNetCompletionItemList list = CompletionDataHelper.GenerateCompletionData(result, editor, ch);
list.Editor = editor;
list.Window = editor.ShowCompletionWindow(list);
return(list.Items.Any());
}
internal static VBNetCompletionItemList ToVBCCList(this ICompletionItemList list)
{
var result = new VBNetCompletionItemList()
{
SuggestedItem = list.SuggestedItem,
PreselectionLength = list.PreselectionLength
};
result.Items.AddRange(list.Items);
return(result);
}
public static VBNetCompletionItemList GenerateCompletionData(this ExpressionResult expressionResult, ITextEditor editor, char pressedKey)
{
VBNetCompletionItemList result = new VBNetCompletionItemList();
IResolver resolver = ParserService.CreateResolver(editor.FileName);
ParseInformation info = ParserService.GetParseInformation(editor.FileName);
if (info == null)
return result;
List<ICompletionEntry> data = new List<ICompletionEntry>();
bool completingDotExpression = false;
IReturnType resolvedType = null;
if (expressionResult.Context != ExpressionContext.Global && expressionResult.Context != ExpressionContext.TypeDeclaration) {
if (expressionResult.Context == ExpressionContext.Importable
&& string.IsNullOrWhiteSpace(expressionResult.Expression)) {
expressionResult.Expression = "Global";
} else if (pressedKey == '\0') {
int idx = string.IsNullOrWhiteSpace(expressionResult.Expression)
? -1
: expressionResult.Expression.LastIndexOf('.');
if (idx > -1) {
expressionResult.Expression = expressionResult.Expression.Substring(0, idx);
// its the same as if . was pressed
completingDotExpression = true;
} else {
expressionResult.Expression = "";
}
}
var rr = resolver.Resolve(expressionResult, info, editor.Document.Text);
if (rr == null || !rr.IsValid || (pressedKey != '.' && !completingDotExpression)) {
if (((BitArray)expressionResult.Tag)[Tokens.Identifier])
data = new NRefactoryResolver(LanguageProperties.VBNet)
.CtrlSpace(editor.Caret.Line, editor.Caret.Column, info, editor.Document.Text, expressionResult.Context,
((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces);
} else {
if (rr is MethodGroupResolveResult) {
IMethod singleMethod = ((MethodGroupResolveResult)rr).GetMethodWithEmptyParameterList();
if (singleMethod != null)
rr = new MemberResolveResult(rr.CallingClass, rr.CallingMember, singleMethod);
}
if (rr is IntegerLiteralResolveResult && pressedKey == '.')
return result;
data = rr.GetCompletionData(info.CompilationUnit.ProjectContent, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces) ?? new List<ICompletionEntry>();
resolvedType = rr.ResolvedType;
}
}
bool addedKeywords = false;
if (expressionResult.Tag != null && (expressionResult.Context != ExpressionContext.Importable) && pressedKey != '.' && !completingDotExpression) {
AddVBNetKeywords(data, (BitArray)expressionResult.Tag);
addedKeywords = true;
}
CodeCompletionItemProvider.ConvertCompletionData(result, data, expressionResult.Context);
if (addedKeywords && result.Items.Any())
AddTemplates(editor, result);
string word = editor.GetWordBeforeCaret().Trim();
IClass c = GetCurrentClass(editor);
IMember m = GetCurrentMember(editor);
HandleKeyword(ref result, resolvedType, word, c, m, editor, pressedKey);
AddSpecialItems(ref result, info, resolvedType, m, expressionResult, editor);
char prevChar;
if (pressedKey == '\0') { // ctrl+space
prevChar = editor.Caret.Offset > 0 ? editor.Document.GetCharAt(editor.Caret.Offset - 1) : '\0';
word = char.IsLetterOrDigit(prevChar) || prevChar == '_' ? editor.GetWordBeforeCaret() : "";
if (!string.IsNullOrWhiteSpace(word))
result.PreselectionLength = word.Length;
}
prevChar = editor.Caret.Offset > 0 ? editor.Document.GetCharAt(editor.Caret.Offset - 1) : '\0';
if (prevChar == '_')
result.PreselectionLength++;
result.SortItems();
return result;
}
static void AddSpecialItems(ref VBNetCompletionItemList result, ParseInformation info, IReturnType resolvedType, IMember m, ExpressionResult expressionResult, ITextEditor editor)
{
if (expressionResult.Context == ExpressionContext.Type && m != null && m.BodyRegion.IsInside(editor.Caret.Line, editor.Caret.Column)) {
result.Items.Add(new DefaultCompletionItem("? =") {
Image = ClassBrowserIconService.GotoArrow,
Description = StringParser.Parse("${res:AddIns.VBNetBinding.CodeCompletion.QuestionmarkEqualsItem.Description}")
});
}
if (resolvedType != null && AllowsDescendentAccess(resolvedType, info.CompilationUnit.ProjectContent))
result.Items.Add(new DefaultCompletionItem("..") { Image = ClassBrowserIconService.GotoArrow });
if (resolvedType != null && AllowsAttributeValueAccess(resolvedType, info.CompilationUnit.ProjectContent))
result.Items.Add(new DefaultCompletionItem("@") { Image = ClassBrowserIconService.GotoArrow });
}
static void HandleKeyword(ref VBNetCompletionItemList result, IReturnType resolvedType, string word, IClass c, IMember m, ITextEditor editor, char pressedKey)
{
if (pressedKey == ' ') {
if (word.Equals("return", StringComparison.OrdinalIgnoreCase) && m != null) {
c = m.ReturnType != null ? m.ReturnType.GetUnderlyingClass() : null;
if (c != null) {
foreach (CodeCompletionItem item in result.Items.OfType<CodeCompletionItem>()) {
IClass itemClass = item.Entity as IClass;
if (itemClass != null && c.FullyQualifiedName == itemClass.FullyQualifiedName && c.TypeParameters.Count == itemClass.TypeParameters.Count) {
result.SuggestedItem = item;
break;
}
}
}
}
if (word.Equals("overrides", StringComparison.OrdinalIgnoreCase) && c != null) {
result = new OverrideCompletionItemProvider().GenerateCompletionList(editor).ToVBCCList();
}
}
}
public static VBNetCompletionItemList GenerateCompletionData(this ExpressionResult expressionResult, ITextEditor editor, char pressedKey)
{
VBNetCompletionItemList result = new VBNetCompletionItemList();
IResolver resolver = ParserService.CreateResolver(editor.FileName);
ParseInformation info = ParserService.GetParseInformation(editor.FileName);
if (info == null)
{
return(result);
}
List <ICompletionEntry> data = new List <ICompletionEntry>();
bool completingDotExpression = false;
IReturnType resolvedType = null;
if (expressionResult.Context != ExpressionContext.Global && expressionResult.Context != ExpressionContext.TypeDeclaration)
{
if (expressionResult.Context == ExpressionContext.Importable &&
string.IsNullOrWhiteSpace(expressionResult.Expression))
{
expressionResult.Expression = "Global";
}
else if (pressedKey == '\0')
{
int idx = string.IsNullOrWhiteSpace(expressionResult.Expression)
? -1
: expressionResult.Expression.LastIndexOf('.');
if (idx > -1)
{
expressionResult.Expression = expressionResult.Expression.Substring(0, idx);
// its the same as if . was pressed
completingDotExpression = true;
}
else
{
expressionResult.Expression = "";
}
}
var rr = resolver.Resolve(expressionResult, info, editor.Document.Text);
if (rr == null || !rr.IsValid || (pressedKey != '.' && !completingDotExpression))
{
if (((BitArray)expressionResult.Tag)[Tokens.Identifier])
{
data = new NRefactoryResolver(LanguageProperties.VBNet)
.CtrlSpace(editor.Caret.Line, editor.Caret.Column, info, editor.Document.Text, expressionResult.Context,
((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces);
}
}
else
{
if (rr is MethodGroupResolveResult)
{
IMethod singleMethod = ((MethodGroupResolveResult)rr).GetMethodWithEmptyParameterList();
if (singleMethod != null)
{
rr = new MemberResolveResult(rr.CallingClass, rr.CallingMember, singleMethod);
}
}
if (rr is IntegerLiteralResolveResult && pressedKey == '.')
{
return(result);
}
data = rr.GetCompletionData(info.CompilationUnit.ProjectContent, ((NRefactoryCompletionItemList)result).ContainsItemsFromAllNamespaces) ?? new List <ICompletionEntry>();
resolvedType = rr.ResolvedType;
}
}
bool addedKeywords = false;
if (expressionResult.Tag != null && (expressionResult.Context != ExpressionContext.Importable) && pressedKey != '.' && !completingDotExpression)
{
AddVBNetKeywords(data, (BitArray)expressionResult.Tag);
addedKeywords = true;
}
CodeCompletionItemProvider.ConvertCompletionData(result, data, expressionResult.Context);
if (addedKeywords && result.Items.Any())
{
AddTemplates(editor, result);
}
string word = editor.GetWordBeforeCaret().Trim();
IClass c = GetCurrentClass(editor);
IMember m = GetCurrentMember(editor);
HandleKeyword(ref result, resolvedType, word, c, m, editor, pressedKey);
AddSpecialItems(ref result, info, resolvedType, m, expressionResult, editor);
char prevChar;
if (pressedKey == '\0') // ctrl+space
{
prevChar = editor.Caret.Offset > 0 ? editor.Document.GetCharAt(editor.Caret.Offset - 1) : '\0';
word = char.IsLetterOrDigit(prevChar) || prevChar == '_' ? editor.GetWordBeforeCaret() : "";
if (!string.IsNullOrWhiteSpace(word))
{
result.PreselectionLength = word.Length;
}
}
prevChar = editor.Caret.Offset > 0 ? editor.Document.GetCharAt(editor.Caret.Offset - 1) : '\0';
if (prevChar == '_')
{
result.PreselectionLength++;
}
result.SortItems();
return(result);
}