Fix the calculation of inverse bracket expressions

Close #7
nihei9 · Apr 19, 2022 · bff52b5 · bff52b5
1 parent ec2233e
commit bff52b5
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Showing 2 changed files with 402 additions and 10 deletions.
diff --git a/compiler/parser/parser.go b/compiler/parser/parser.go
@@ -427,9 +427,9 @@ func exclude(symbol, base CPTree) CPTree {
 				newRangeSymbolNode(bFrom, sFrom-1),
 				newRangeSymbolNode(sTo+1, bTo),
 			)
-		case sFrom <= bFrom && sTo > bFrom && sTo < bTo:
+		case sFrom <= bFrom && sTo >= bFrom && sTo < bTo:
 			return newRangeSymbolNode(sTo+1, bTo)
-		case sFrom < bFrom && sFrom < bTo && sTo >= bTo:
+		case sFrom > bFrom && sFrom <= bTo && sTo >= bTo:
 			return newRangeSymbolNode(bFrom, sFrom-1)
 		case sFrom <= bFrom && sTo >= bTo:
 			return nil