From fc2ef0991ef2205fd975a95298bc98823015b791 Mon Sep 17 00:00:00 2001
From: Joe Wilm <joe@jwilm.com>
Date: Tue, 29 May 2018 21:45:28 -0700
Subject: [PATCH] Remove dead code

---
 src/event.rs        |  2 +-
 src/grid/mod.rs     |  1 -
 src/grid/storage.rs | 43 -------------------------------------------
 src/selection.rs    | 23 +++++------------------
 4 files changed, 6 insertions(+), 63 deletions(-)

diff --git a/src/event.rs b/src/event.rs
index 1cdf1302..4a0e8d1c 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -99,7 +99,7 @@ impl<'a, N: Notify + 'a> input::ActionContext for ActionContext<'a, N> {
 
     fn semantic_selection(&mut self, point: Point) {
         let point = self.terminal.visible_to_buffer(point);
-        *self.terminal.selection_mut() = Some(Selection::semantic(point, &*self.terminal));
+        *self.terminal.selection_mut() = Some(Selection::semantic(point));
         self.terminal.dirty = true;
     }
 
diff --git a/src/grid/mod.rs b/src/grid/mod.rs
index b03ae54f..97614d71 100644
--- a/src/grid/mod.rs
+++ b/src/grid/mod.rs
@@ -230,7 +230,6 @@ impl<T: Copy + Clone> Grid<T> {
         new_line_count: index::Line,
         template: &T,
     ) {
-        let previous_scroll_limit = self.scroll_limit;
         let lines_added = new_line_count - self.lines;
 
         // Need to "resize" before updating buffer
diff --git a/src/grid/storage.rs b/src/grid/storage.rs
index 0f0f611b..d517fa01 100644
--- a/src/grid/storage.rs
+++ b/src/grid/storage.rs
@@ -172,25 +172,11 @@ impl<T> Storage<T> {
         self.len
     }
 
-    #[inline]
-    pub fn raw_len(&self) -> usize {
-        self.inner.len()
-    }
-
     /// Compute actual index in underlying storage given the requested index.
     fn compute_index(&self, requested: usize) -> usize {
         (requested + self.zero) % self.inner.len()
     }
 
-    #[inline]
-    pub fn line_offset(&self) -> usize {
-        self.inner.len() + self.zero + *self.visible_lines
-    }
-
-    pub fn compute_line_index(&self, a: Line) -> usize {
-        (self.line_offset() - *a) % self.inner.len()
-    }
-
     pub fn swap_lines(&mut self, a: Line, b: Line) {
         let offset = self.inner.len() + self.zero + *self.visible_lines;
         let a = (offset - *a) % self.inner.len();
@@ -234,13 +220,6 @@ impl<T> Storage<T> {
         }
     }
 
-    /// Iterator over *logical* entries in the storage
-    ///
-    /// This *does not* iterate over hidden entries.
-    pub fn iter_mut(&mut self) -> IterMut<T> {
-        IterMut { storage: self, index: 0 }
-    }
-
     /// Iterate over *all* entries in the underlying buffer
     ///
     /// This includes hidden entries.
@@ -300,28 +279,6 @@ impl<T> IndexMut<Line> for Storage<T> {
     }
 }
 
-pub struct IterMut<'a, T: 'a> {
-    storage: &'a mut Storage<T>,
-    index: usize,
-}
-
-impl<'a, T: 'a> Iterator for IterMut<'a, T> {
-    type Item = &'a mut Row<T>;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        if self.index == self.storage.len() {
-            None
-        } else {
-            let index = self.index;
-            self.index += 1;
-
-            unsafe {
-                Some(&mut *(&mut self.storage[index] as *mut _))
-            }
-        }
-    }
-}
-
 #[cfg(test)]
 use index::Column;
 
diff --git a/src/selection.rs b/src/selection.rs
index a54bd49d..dca16e26 100644
--- a/src/selection.rs
+++ b/src/selection.rs
@@ -47,11 +47,6 @@ pub enum Selection {
     Semantic {
         /// The region representing start and end of cursor movement
         region: Range<Point<usize>>,
-
-        /// When beginning a semantic selection, the grid is searched around the
-        /// initial point to find semantic escapes, and this initial expansion
-        /// marks those points.
-        initial_expansion: Range<Point<usize>>
     },
     Lines {
         /// The region representing start and end of cursor movement
@@ -109,11 +104,9 @@ impl Selection {
                 region.start.point.line = (region.start.point.line as isize + offset) as usize;
                 region.end.point.line = (region.end.point.line as isize + offset) as usize;
             },
-            Selection::Semantic { ref mut region, ref mut initial_expansion } => {
+            Selection::Semantic { ref mut region } => {
                 region.start.line = (region.start.line as isize + offset) as usize;
                 region.end.line = (region.end.line as isize + offset) as usize;
-                initial_expansion.start.line = (initial_expansion.start.line as isize + offset) as usize;
-                initial_expansion.end.line = (initial_expansion.end.line as isize + offset) as usize;
             },
             Selection::Lines { ref mut region, ref mut initial_line } => {
                 region.start.line = (region.start.line as isize + offset) as usize;
@@ -123,16 +116,11 @@ impl Selection {
         }
     }
 
-    pub fn semantic<G: SemanticSearch>(point: Point<usize>, grid: &G) -> Selection {
-        let (start, end) = (grid.semantic_search_left(point), grid.semantic_search_right(point));
+    pub fn semantic(point: Point<usize>) -> Selection {
         Selection::Semantic {
             region: Range {
                 start: point,
                 end: point,
-            },
-            initial_expansion: Range {
-                start: start,
-                end: end
             }
         }
     }
@@ -153,7 +141,7 @@ impl Selection {
             Selection::Simple { ref mut region } => {
                 region.end = Anchor::new(location, side);
             },
-            Selection::Semantic { ref mut region, .. } |
+            Selection::Semantic { ref mut region } |
                 Selection::Lines { ref mut region, .. } =>
             {
                 region.end = location;
@@ -166,8 +154,8 @@ impl Selection {
             Selection::Simple { ref region } => {
                 Selection::span_simple(grid, region)
             },
-            Selection::Semantic { ref region, ref initial_expansion } => {
-                Selection::span_semantic(grid, region, initial_expansion)
+            Selection::Semantic { ref region } => {
+                Selection::span_semantic(grid, region)
             },
             Selection::Lines { ref region, ref initial_line } => {
                 Selection::span_lines(grid, region, *initial_line)
@@ -177,7 +165,6 @@ impl Selection {
     fn span_semantic<G>(
         grid: &G,
         region: &Range<Point<usize>>,
-        initial_expansion: &Range<Point<usize>>
     ) -> Option<Span>
         where G: SemanticSearch + Dimensions
     {