Index: lib/src/chunk.dart |
diff --git a/lib/src/chunk.dart b/lib/src/chunk.dart |
index 58f88af10aba468cbfbca8da3d72f4ea4ad8a83f..e0604275ae4c86cbdeb5ddc628005afd4a624187 100644 |
--- a/lib/src/chunk.dart |
+++ b/lib/src/chunk.dart |
@@ -283,7 +283,8 @@ class SplitParam { |
/// together, like parameter lists and binary operator expressions. |
class Span { |
/// Index of the first chunk contained in this span. |
- final int start; |
+ int get start => _start; |
+ int _start; |
/// Index of the last chunk contained in this span. |
int get end => _end; |
@@ -293,7 +294,7 @@ class Span { |
/// if the span is for a multisplit. |
final int cost; |
- Span(this.start, this.cost); |
+ Span(this._start, this.cost); |
/// Marks this span as ending at [end]. |
void close(int end) { |
@@ -314,6 +315,23 @@ class Span { |
return result + ")"; |
} |
+ |
+ /// Shifts the indexes of the chunk down by [offset]. |
+ /// |
+ /// This is used when a prefix of the chunk list gets pulled off by the |
+ /// [LineWriter] after it gets formatted as a line. The remaining spans need |
+ /// to have their indices shifted to account for the removed chunks. |
+ /// |
+ /// Returns `true` if the span has shifted all the way off the front and |
+ /// should just be discarded. |
+ bool shift(int offset) { |
+ if (end != null && end < offset) return true; |
+ |
+ _start -= offset; |
+ if (_end != null) _end -= offset; |
+ |
+ return false; |
+ } |
} |
/// A comment in the source, with a bit of information about the surrounding |