in TextBuilderWithHighlight.build, check when we encounter a \n if we would be past the last line, and return the acc if so, or else continue looping

2025-09-14 10:39:51 +01:00
parent 9b34014af1
commit ae1772605b
1 changed files with 20 additions and 16 deletions
--- a/fcore/text-builder/text-builder-with-highlight.sml
+++ b/fcore/text-builder/text-builder-with-highlight.sml
@@ -236,7 +236,11 @@ struct
                    Utils.makeCursor (posX, posY, env) :: acc
                  else
                    acc
+                val nextLineNumber = lineNumber + 1
              in
+                if nextLineNumber > #lastLineNumber env then
+                  acc
+                else
                  build
                    ( pos + 1
                    , str
@@ -246,7 +250,7 @@ struct
                    , #startX env
                    , posY + TC.ySpace
                    , 0
-                  , lineNumber + 1
+                    , nextLineNumber
                    , absIdx + 1
                    , cursorIdx
                    , env