private void NodeToJson(JsonWriter jw, SyntaxNodeOrToken node, Dictionary <SyntaxNodeOrToken, int> nodeToIdx)
{
jw.WriteStartObject();
jw.WritePropertyName("id");
jw.WriteValue(nodeToIdx[node]);
jw.WritePropertyName("type");
jw.WriteValue(node.Kind().ToString());
if (node.IsKind(SyntaxKind.IdentifierName) || node.IsKind(SyntaxKind.PredefinedType) || RoslynUtils.IsSimpleLiteral(node) || node.IsToken || node.AsNode().ChildNodes().Count() == 0)
{
jw.WritePropertyName("value");
jw.WriteValue(node.ToString());
}
else
{
jw.WritePropertyName("children");
jw.WriteStartArray();
foreach (var child in node.AsNode().ChildNodesAndTokens())
{
if (!nodeToIdx.TryGetValue(child, out int idx))
{
idx = int.MaxValue;
}
jw.WriteValue(idx);
}
jw.WriteEndArray();
}
jw.WriteEndObject();
}
public static bool HasOutKeywordForArgument(SyntaxNodeOrToken nodeOrToken)
{
var isArgument = nodeOrToken.IsKind(SyntaxKind.Argument);
var hasOutKeyword = isArgument && ((ArgumentSyntax)nodeOrToken).RefOrOutKeyword.IsKind(SyntaxKind.OutKeyword);
return(hasOutKeyword);
}
private static bool TryFindNodeOrToken(
SyntaxNodeOrToken node,
SyntaxKind kind,
ref int occurrence,
ref SyntaxNodeOrToken foundNode
)
{
if (node.IsKind(kind))
{
occurrence--;
if (occurrence == 0)
{
foundNode = node;
return(true);
}
}
// we should probably did into trivia if this is a Token, but we won't
foreach (var child in node.ChildNodesAndTokens())
{
if (TryFindNodeOrToken(child, kind, ref occurrence, ref foundNode))
{
return(true);
}
}
return(false);
}
public static bool IsSimpleLiteral(SyntaxNodeOrToken node) => node.IsKind(SyntaxKind.FalseKeyword) || node.IsKind(SyntaxKind.TrueKeyword) || node.IsKind(SyntaxKind.NullKeyword) || node.IsKind(SyntaxKind.NumericLiteralExpression) || node.IsKind(SyntaxKind.CharacterLiteralExpression) || node.IsKind(SyntaxKind.StringLiteralExpression);
public TNode InsertModifier(TNode node, SyntaxToken modifier, IModifierComparer comparer = null)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
SyntaxTokenList modifiers = GetModifiers(node);
Debug.Assert(modifiers.Any() || modifiers == default(SyntaxTokenList), node.ToString());
if (!modifiers.Any())
{
SyntaxNodeOrToken nodeOrToken = FindNodeOrTokenAfterModifiers(node);
if (!nodeOrToken.IsKind(SyntaxKind.None))
{
SyntaxTriviaList trivia = nodeOrToken.GetLeadingTrivia();
if (trivia.Any())
{
SyntaxTriviaList leadingTrivia = modifier.LeadingTrivia;
if (!leadingTrivia.IsSingleElasticMarker())
{
trivia = trivia.AddRange(leadingTrivia);
}
if (nodeOrToken.IsNode)
{
SyntaxNode node2 = nodeOrToken.AsNode();
node = node.ReplaceNode(node2, node2.WithoutLeadingTrivia());
}
else
{
SyntaxToken token = nodeOrToken.AsToken();
node = node.ReplaceToken(token, token.WithoutLeadingTrivia());
}
return(WithModifiers(node, TokenList(modifier.WithLeadingTrivia(trivia))));
}
}
}
return(WithModifiers(node, modifiers.InsertModifier(modifier, comparer ?? ModifierComparer.Instance)));
}
void UpdateWordAdornments()
{
SnapshotPoint currentRequest = RequestedPoint;
var document = View.TextSnapshot.TextBuffer.GetRelatedDocuments().FirstOrDefault();
if (document == null)
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
return;
}
var syntaxTree = document.GetSyntaxTreeAsync().ConfigureAwait(false).GetAwaiter().GetResult();
var root = syntaxTree.GetRoot();
SyntaxNodeOrToken token = root.FindToken(currentRequest.Position);
var line = View.TextSnapshot.GetLineFromPosition(currentRequest.Position);
SyntaxNodeOrToken lineSyntax = root.FindNode(TextSpan.FromBounds(line.Start, line.End));
var nodes = lineSyntax.ChildNodesAndTokens();
var methods = new List <SyntaxNodeOrToken>();
TraversideNodes(nodes, methods);
if (!methods.Any())
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
return;
}
var idx = -1;
TextSpan currentArgSpan = TextSpan.FromBounds(0, 0);
SyntaxNodeOrToken _sqlSyntax = null;
foreach (var method in methods)
{
var _argsSyntax = ((SyntaxNodeOrToken)method.Parent).GetNextSibling().ChildNodesAndTokens().Where(p => p.IsKind(SyntaxKind.Argument));
foreach (var _arg in _argsSyntax)
{
idx++;
if (_arg.Span.Start <= currentRequest.Position && currentRequest.Position <= _arg.Span.End)
{
currentArgSpan = _arg.Span;
var dot = method.GetPreviousSibling();
//如果方法名签名不是一个点（.），终止
if (!dot.IsKind(SyntaxKind.DotToken))
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
return;
}
_sqlSyntax = dot.GetPreviousSibling();
break;
}
}
}
//如果没有选择参数，并且Splice方法前不是字符串
if (idx == -1 || !_sqlSyntax.IsKind(SyntaxKind.StringLiteralExpression))
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
return;
}
//SyntaxNodeOrToken argsSyntax = null;
//if (token.Parent.IsKind(SyntaxKind.ArgumentList))
// argsSyntax = token.Parent;
//else
// argsSyntax = ((SyntaxNodeOrToken)token.Parent?.Parent).GetPreviousSibling().Parent;//此情况是光标在具体某个参数上
//if (argsSyntax.RawKind == 0)
// argsSyntax = ((SyntaxNodeOrToken)token.Parent?.Parent?.Parent).GetPreviousSibling().Parent;
//if (argsSyntax == null || !argsSyntax.IsKind(SyntaxKind.ArgumentList))
//{
// SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
// return;
//}
//var expression = argsSyntax.GetPreviousSibling();
//#region 判断是不是拼接sql的方法(Splice)
//var syntax = expression.ChildNodesAndTokens();
//if (syntax.Count != 3)
//{
// SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
// return;
//}
//if (!syntax.First().IsKind(SyntaxKind.StringLiteralExpression) || !syntax.Last().IsKind(SyntaxKind.IdentifierName) || !syntax.Last().ToFullString().Equals("Splice", StringComparison.Ordinal))
//{
// SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
// return;
//}
//#endregion
//var args = argsSyntax.ChildNodesAndTokens().Where(p => p.IsKind(SyntaxKind.Argument)).ToList();
//var pointer = token.Span.Start;
////获取当前焦点在第几个参数
//foreach (var arg in args)
//{
// idx++;
// if (arg.Span.Start >= pointer && pointer <= arg.Span.End)
// break;
//}
//var sqlSyntax = syntax.First();
var sql = _sqlSyntax.ToString();
var startIdx = -1;
var endIdx = -1;
var currentIdx = 0;
for (var i = 0; i <= idx; i++)
{
startIdx = sql.IndexOf("{", currentIdx);
if (startIdx == -1)
{
break;
}
endIdx = sql.IndexOf("}", startIdx);
if (endIdx == -1)
{
break;
}
currentIdx = endIdx;
}
if (startIdx == -1 || endIdx == -1)
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(), null);
return;
}
List <SnapshotSpan> wordSpans = new List <SnapshotSpan>();
//添加当前选中的参数高亮
//wordSpans.Add(new SnapshotSpan(View.TextSnapshot, currentArgSpan.Start, currentArgSpan.End - currentArgSpan.Start));
//添加对应的拼接sql部分高亮
wordSpans.Add(new SnapshotSpan(View.TextSnapshot, _sqlSyntax.Span.Start + startIdx, endIdx - startIdx + 1));
//Find all words in the buffer like the one the caret is on
TextExtent word = TextStructureNavigator.GetExtentOfWord(currentRequest);
SnapshotSpan currentWord = word.Span;
//If this is the current word, and the caret moved within a word, we're done.
if (CurrentWord.HasValue && currentWord == CurrentWord)
{
return;
}
//If another change hasn't happened, do a real update
if (currentRequest == RequestedPoint)
{
SynchronousUpdate(currentRequest, new NormalizedSnapshotSpanCollection(wordSpans), currentWord);
}
}