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-rw-r--r--lua/nvim-treesitter/incremental_selection.lua36
-rw-r--r--lua/nvim-treesitter/ts_utils.lua44
2 files changed, 38 insertions, 42 deletions
diff --git a/lua/nvim-treesitter/incremental_selection.lua b/lua/nvim-treesitter/incremental_selection.lua
index eb8b49961..857f4a482 100644
--- a/lua/nvim-treesitter/incremental_selection.lua
+++ b/lua/nvim-treesitter/incremental_selection.lua
@@ -17,9 +17,9 @@ function M.init_selection()
ts_utils.update_selection(buf, node)
end
---- Get a ts compatible range of the current visual selection.
+--- Get the range of the current visual selection.
--
--- The range of ts nodes start with 0 and the ending range is exclusive.
+-- The range start with 1 and the ending is inclusive.
local function visual_selection_range()
local _, csrow, cscol, _ = unpack(vim.fn.getpos "'<")
local _, cerow, cecol, _ = unpack(vim.fn.getpos "'>")
@@ -27,33 +27,23 @@ local function visual_selection_range()
local start_row, start_col, end_row, end_col
if csrow < cerow or (csrow == cerow and cscol <= cecol) then
- start_row = csrow - 1
- start_col = cscol - 1
- end_row = cerow - 1
+ start_row = csrow
+ start_col = cscol
+ end_row = cerow
end_col = cecol
else
- start_row = cerow - 1
- start_col = cecol - 1
- end_row = csrow - 1
+ start_row = cerow
+ start_col = cecol
+ end_row = csrow
end_col = cscol
end
- -- The last char in ts is equivalent to the EOF in another line.
- local last_row = vim.fn.line "$"
- local last_col = vim.fn.col { last_row, "$" }
- last_row = last_row - 1
- last_col = last_col - 1
- if end_row == last_row and end_col == last_col then
- end_row = end_row + 1
- end_col = 0
- end
-
return start_row, start_col, end_row, end_col
end
local function range_matches(node)
local csrow, cscol, cerow, cecol = visual_selection_range()
- local srow, scol, erow, ecol = node:range()
+ local srow, scol, erow, ecol = ts_utils.get_vim_range { node:range() }
return srow == csrow and scol == cscol and erow == cerow and ecol == cecol
end
@@ -66,7 +56,7 @@ local function select_incremental(get_parent)
-- Initialize incremental selection with current selection
if not nodes or #nodes == 0 or not range_matches(nodes[#nodes]) then
local root = parsers.get_parser():parse()[1]:root()
- local node = root:named_descendant_for_range(csrow, cscol, cerow, cecol)
+ local node = root:named_descendant_for_range(csrow - 1, cscol - 1, cerow - 1, cecol)
ts_utils.update_selection(buf, node)
if nodes and #nodes > 0 then
table.insert(selections[buf], node)
@@ -84,14 +74,14 @@ local function select_incremental(get_parent)
-- Keep searching in the main tree
-- TODO: we should search on the parent tree of the current node.
local root = parsers.get_parser():parse()[1]:root()
- parent = root:named_descendant_for_range(csrow, cscol, cerow, cecol)
- if not parent or parent == node then
+ parent = root:named_descendant_for_range(csrow - 1, cscol - 1, cerow - 1, cecol)
+ if not parent or root == node or parent == node then
ts_utils.update_selection(buf, node)
return
end
end
node = parent
- local srow, scol, erow, ecol = node:range()
+ local srow, scol, erow, ecol = ts_utils.get_vim_range { node:range() }
local same_range = (srow == csrow and scol == cscol and erow == cerow and ecol == cecol)
if not same_range then
table.insert(selections[buf], node)
diff --git a/lua/nvim-treesitter/ts_utils.lua b/lua/nvim-treesitter/ts_utils.lua
index 11fb17d78..b17eccc6c 100644
--- a/lua/nvim-treesitter/ts_utils.lua
+++ b/lua/nvim-treesitter/ts_utils.lua
@@ -175,6 +175,29 @@ function M.highlight_node(node, buf, hl_namespace, hl_group)
M.highlight_range({ node:range() }, buf, hl_namespace, hl_group)
end
+--- Get a compatible vim range (1 index based) from a TS node range.
+--
+-- TS nodes start with 0 and the end col is ending exclusive.
+-- They also treat a EOF/EOL char as a char ending in the first
+-- col of the next row.
+function M.get_vim_range(range, buf)
+ local srow, scol, erow, ecol = unpack(range)
+ srow = srow + 1
+ scol = scol + 1
+ erow = erow + 1
+
+ if ecol == 0 then
+ -- Use the value of the last col of the previous row instead.
+ erow = erow - 1
+ if not buf or buf == 0 then
+ ecol = vim.fn.col { erow, "$" } - 1
+ else
+ ecol = #api.nvim_buf_get_lines(buf, erow - 1, erow, false)[1]
+ end
+ end
+ return srow, scol, erow, ecol
+end
+
function M.highlight_range(range, buf, hl_namespace, hl_group)
local start_row, start_col, end_row, end_col = unpack(range)
vim.highlight.range(buf, hl_namespace, hl_group, { start_row, start_col }, { end_row, end_col })
@@ -185,17 +208,7 @@ end
-- "blockwise" or "<C-v>" (as a string with 5 characters or a single character)
function M.update_selection(buf, node, selection_mode)
selection_mode = selection_mode or "charwise"
- local start_row, start_col, end_row, end_col = M.get_node_range(node)
-
- if end_row == vim.fn.line "$" then
- end_col = #vim.fn.getline "$"
- end
-
- -- Convert to 1-based indices
- start_row = start_row + 1
- start_col = start_col + 1
- end_row = end_row + 1
- end_col = end_col + 1
+ local start_row, start_col, end_row, end_col = M.get_vim_range({ M.get_node_range(node) }, buf)
vim.fn.setpos(".", { buf, start_row, start_col, 0 })
@@ -205,14 +218,7 @@ function M.update_selection(buf, node, selection_mode)
---- command to enter blockwise mode
local mode_string = vim.api.nvim_replace_termcodes(v_table[selection_mode] or selection_mode, true, true, true)
vim.cmd("normal! " .. mode_string)
-
- -- Convert exclusive end position to inclusive
- if end_col == 1 then
- local previous_col = vim.fn.col { end_row - 1, "$" } - 1
- vim.fn.setpos(".", { buf, end_row - 1, previous_col, 0 })
- else
- vim.fn.setpos(".", { buf, end_row, end_col - 1, 0 })
- end
+ vim.fn.setpos(".", { buf, end_row, end_col, 0 })
end
-- Byte length of node range