Fix a small bug that caused dynamic dispatch to pick the wrong functi…

…on on an empty list
SWAT-engineering · Nov 15, 2024 · 26a5702 · 26a5702
1 parent 0786737
commit 26a5702
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/rascal-textmate-core/src/main/rascal/lang/textmate/Conversion.rsc b/rascal-textmate-core/src/main/rascal/lang/textmate/Conversion.rsc
@@ -227,10 +227,10 @@ list[ConversionUnit] analyze(RscGrammar rsc, str name) {
 
     // Analyze delimiters
     jobStep(jobLabel, "Analyzing delimiters");
-    set[Symbol] delimiters
-        = removeStrictPrefixes({s | /Symbol s := rsc, isDelimiter(delabel(s))})
-        - {s | p <- prods, /just(s) := getOuterDelimiterPair(rsc, p)}
-        - {s | p <- prods, /just(s) := getInnerDelimiterPair(rsc, p, getOnlyFirst = true)};
+    set[Symbol] delimiters = {s | /Symbol s := rsc, isDelimiter(delabel(s))};
+    delimiters &= removeStrictPrefixes(delimiters);
+    delimiters -= {s | p <- prods, /just(s) := getOuterDelimiterPair(rsc, p)};
+    delimiters -= {s | p <- prods, /just(s) := getInnerDelimiterPair(rsc, p, getOnlyFirst = true)};
     list[Production] prodsDelimiters = [prod(lex(DELIMITERS_PRODUCTION_NAME), [\alt(delimiters)], {})];
 
     // Analyze keywords
@@ -552,4 +552,4 @@ private TmRule toTmRule(RegExp begin, RegExp end, list[TmRule] patterns)
         end.string,
         beginCaptures = toCaptures(begin.categories),
         endCaptures = toCaptures(end.categories),
-        patterns = patterns);
+        patterns = patterns);