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fix getSymbolsForCompletion raise exception 

should first check if the range `beforeTokens` is empty.
This commit is contained in:
electricface 2024-04-17 12:20:03 +08:00 committed by Jan Jurzitza
parent 57794ca875
commit 27b1042959
1 changed files with 2 additions and 1 deletions
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3
src/dcd/server/autocomplete/util.d
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@ -147,7 +147,8 @@ SymbolStuff getSymbolsForCompletion(const AutocompleteRequest request,
auto expression = getExpression(beforeTokens);
auto symbols = getSymbolsByTokenChain(pair.scope_, expression,
request.cursorPosition, type);
if (symbols.length == 0 && doUFCSSearch(stringToken(beforeTokens.front), stringToken(beforeTokens.back))) {
if (symbols.length == 0 && !beforeTokens.empty &&
doUFCSSearch(stringToken(beforeTokens.front), stringToken(beforeTokens.back))) {
// Let search for UFCS, since we got no hit
symbols ~= getSymbolsByTokenChain(pair.scope_, getExpression([beforeTokens.back]), request.cursorPosition, type);
}