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Diffstat (limited to 'runtime/lua/vim/treesitter/highlighter.lua')
-rw-r--r--runtime/lua/vim/treesitter/highlighter.lua91
1 files changed, 66 insertions, 25 deletions
diff --git a/runtime/lua/vim/treesitter/highlighter.lua b/runtime/lua/vim/treesitter/highlighter.lua
index 388680259a..cc5e11d632 100644
--- a/runtime/lua/vim/treesitter/highlighter.lua
+++ b/runtime/lua/vim/treesitter/highlighter.lua
@@ -4,7 +4,7 @@ local Range = require('vim.treesitter._range')
local ns = api.nvim_create_namespace('treesitter/highlighter')
----@alias vim.treesitter.highlighter.Iter fun(end_line: integer|nil): integer, TSNode, vim.treesitter.query.TSMetadata
+---@alias vim.treesitter.highlighter.Iter fun(): integer, table<integer, TSNode[]>, vim.treesitter.query.TSMetadata
---@class (private) vim.treesitter.highlighter.Query
---@field private _query vim.treesitter.Query?
@@ -248,6 +248,13 @@ end
---@param line integer
---@param is_spell_nav boolean
local function on_line_impl(self, buf, line, is_spell_nav)
+ -- Track the maximum pattern index encountered in each tree. For subsequent
+ -- trees, the subpriority passed to nvim_buf_set_extmark is offset by the
+ -- largest pattern index from the prior tree. This ensures that extmarks
+ -- from subsequent trees always appear "on top of" extmarks from previous
+ -- trees (e.g. injections should always appear over base highlights).
+ local pattern_offset = 0
+
self:for_each_highlight_state(function(state)
local root_node = state.tstree:root()
local root_start_row, _, root_end_row, _ = root_node:range()
@@ -258,22 +265,24 @@ local function on_line_impl(self, buf, line, is_spell_nav)
end
if state.iter == nil or state.next_row < line then
- state.iter =
- state.highlighter_query:query():iter_captures(root_node, self.bufnr, line, root_end_row + 1)
+ state.iter = state.highlighter_query
+ :query()
+ :iter_matches(root_node, self.bufnr, line, root_end_row + 1, { all = true })
end
+ local max_pattern_index = -1
while line >= state.next_row do
- local capture, node, metadata = state.iter(line)
+ local pattern, match, metadata = state.iter()
- local range = { root_end_row + 1, 0, root_end_row + 1, 0 }
- if node then
- range = vim.treesitter.get_range(node, buf, metadata and metadata[capture])
+ if pattern and pattern > max_pattern_index then
+ max_pattern_index = pattern
end
- local start_row, start_col, end_row, end_col = Range.unpack4(range)
- if capture then
- local hl = state.highlighter_query:get_hl_from_capture(capture)
+ if not match then
+ state.next_row = root_end_row + 1
+ end
+ for capture, nodes in pairs(match or {}) do
local capture_name = state.highlighter_query:query().captures[capture]
local spell = nil ---@type boolean?
if capture_name == 'spell' then
@@ -282,28 +291,60 @@ local function on_line_impl(self, buf, line, is_spell_nav)
spell = false
end
+ local hl = state.highlighter_query:get_hl_from_capture(capture)
+
-- Give nospell a higher priority so it always overrides spell captures.
local spell_pri_offset = capture_name == 'nospell' and 1 or 0
- if hl and end_row >= line and (not is_spell_nav or spell ~= nil) then
- local priority = (tonumber(metadata.priority) or vim.highlight.priorities.treesitter)
- + spell_pri_offset
- api.nvim_buf_set_extmark(buf, ns, start_row, start_col, {
- end_line = end_row,
- end_col = end_col,
- hl_group = hl,
- ephemeral = true,
- priority = priority,
- conceal = metadata.conceal,
- spell = spell,
- })
+ -- The "priority" attribute can be set at the pattern level or on a particular capture
+ local priority = (
+ tonumber(metadata.priority or metadata[capture] and metadata[capture].priority)
+ or vim.highlight.priorities.treesitter
+ ) + spell_pri_offset
+
+ local url = metadata[capture] and metadata[capture].url ---@type string|number|nil
+ if type(url) == 'number' then
+ if match and match[url] then
+ -- Assume there is only one matching node. If there is more than one, take the URL
+ -- from the first.
+ local other_node = match[url][1]
+ url = vim.treesitter.get_node_text(other_node, buf, {
+ metadata = metadata[url],
+ })
+ else
+ url = nil
+ end
end
- end
- if start_row > line then
- state.next_row = start_row
+ -- The "conceal" attribute can be set at the pattern level or on a particular capture
+ local conceal = metadata.conceal or metadata[capture] and metadata[capture].conceal
+
+ for _, node in ipairs(nodes) do
+ local range = vim.treesitter.get_range(node, buf, metadata[capture])
+ local start_row, start_col, end_row, end_col = Range.unpack4(range)
+
+ if hl and end_row >= line and (not is_spell_nav or spell ~= nil) then
+ api.nvim_buf_set_extmark(buf, ns, start_row, start_col, {
+ end_line = end_row,
+ end_col = end_col,
+ hl_group = hl,
+ ephemeral = true,
+ priority = priority,
+ _subpriority = pattern_offset + pattern,
+ conceal = conceal,
+ spell = spell,
+ url = url,
+ })
+ end
+
+ if start_row > line then
+ state.next_row = start_row
+ end
+ end
end
end
+
+ pattern_offset = pattern_offset + max_pattern_index
end)
end