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path: root/runtime/lua/vim/treesitter/query.lua
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-rw-r--r--runtime/lua/vim/treesitter/query.lua56
1 files changed, 31 insertions, 25 deletions
diff --git a/runtime/lua/vim/treesitter/query.lua b/runtime/lua/vim/treesitter/query.lua
index ca27a50c6a..494fb59fa7 100644
--- a/runtime/lua/vim/treesitter/query.lua
+++ b/runtime/lua/vim/treesitter/query.lua
@@ -28,21 +28,27 @@ end
--- Gets the text corresponding to a given node
-- @param node the node
-- @param bufnr the buffer from which the node in extracted.
-function M.get_node_text(node, bufnr)
- local start_row, start_col, end_row, end_col = node:range()
- if start_row ~= end_row then
- return nil
+function M.get_node_text(node, source)
+ local start_row, start_col, start_byte = node:start()
+ local end_row, end_col, end_byte = node:end_()
+
+ if type(source) == "number" then
+ if start_row ~= end_row then
+ return nil
+ end
+ local line = a.nvim_buf_get_lines(source, start_row, start_row+1, true)[1]
+ return string.sub(line, start_col+1, end_col)
+ elseif type(source) == "string" then
+ return source:sub(start_byte+1, end_byte)
end
- local line = a.nvim_buf_get_lines(bufnr, start_row, start_row+1, true)[1]
- return string.sub(line, start_col+1, end_col)
end
-- Predicate handler receive the following arguments
-- (match, pattern, bufnr, predicate)
local predicate_handlers = {
- ["eq?"] = function(match, _, bufnr, predicate)
+ ["eq?"] = function(match, _, source, predicate)
local node = match[predicate[2]]
- local node_text = M.get_node_text(node, bufnr)
+ local node_text = M.get_node_text(node, source)
local str
if type(predicate[3]) == "string" then
@@ -50,7 +56,7 @@ local predicate_handlers = {
str = predicate[3]
else
-- (#eq? @aa @bb)
- str = M.get_node_text(match[predicate[3]], bufnr)
+ str = M.get_node_text(match[predicate[3]], source)
end
if node_text ~= str or str == nil then
@@ -60,7 +66,7 @@ local predicate_handlers = {
return true
end,
- ["lua-match?"] = function(match, _, bufnr, predicate)
+ ["lua-match?"] = function(match, _, source, predicate)
local node = match[predicate[2]]
local regex = predicate[3]
local start_row, _, end_row, _ = node:range()
@@ -68,7 +74,7 @@ local predicate_handlers = {
return false
end
- return string.find(M.get_node_text(node, bufnr), regex)
+ return string.find(M.get_node_text(node, source), regex)
end,
["match?"] = (function()
@@ -88,7 +94,7 @@ local predicate_handlers = {
end
})
- return function(match, _, bufnr, pred)
+ return function(match, _, source, pred)
local node = match[pred[2]]
local start_row, start_col, end_row, end_col = node:range()
if start_row ~= end_row then
@@ -96,13 +102,13 @@ local predicate_handlers = {
end
local regex = compiled_vim_regexes[pred[3]]
- return regex:match_line(bufnr, start_row, start_col, end_col)
+ return regex:match_line(source, start_row, start_col, end_col)
end
end)(),
- ["contains?"] = function(match, _, bufnr, predicate)
+ ["contains?"] = function(match, _, source, predicate)
local node = match[predicate[2]]
- local node_text = M.get_node_text(node, bufnr)
+ local node_text = M.get_node_text(node, source)
for i=3,#predicate do
if string.find(node_text, predicate[i], 1, true) then
@@ -139,7 +145,7 @@ local function xor(x, y)
return (x or y) and not (x and y)
end
-function Query:match_preds(match, pattern, bufnr)
+function Query:match_preds(match, pattern, source)
local preds = self.info.patterns[pattern]
for _, pred in pairs(preds or {}) do
@@ -164,7 +170,7 @@ function Query:match_preds(match, pattern, bufnr)
return false
end
- local pred_matches = handler(match, pattern, bufnr, pred)
+ local pred_matches = handler(match, pattern, source, pred)
if not xor(is_not, pred_matches) then
return false
@@ -182,15 +188,15 @@ end
--
-- @returns The matching capture id
-- @returns The captured node
-function Query:iter_captures(node, bufnr, start, stop)
- if bufnr == 0 then
- bufnr = vim.api.nvim_get_current_buf()
+function Query:iter_captures(node, source, start, stop)
+ if type(source) == "number" and source == 0 then
+ source = vim.api.nvim_get_current_buf()
end
local raw_iter = node:_rawquery(self.query, true, start, stop)
local function iter()
local capture, captured_node, match = raw_iter()
if match ~= nil then
- local active = self:match_preds(match, match.pattern, bufnr)
+ local active = self:match_preds(match, match.pattern, source)
match.active = active
if not active then
return iter() -- tail call: try next match
@@ -210,15 +216,15 @@ end
--
-- @returns The matching pattern id
-- @returns The matching match
-function Query:iter_matches(node, bufnr, start, stop)
- if bufnr == 0 then
- bufnr = vim.api.nvim_get_current_buf()
+function Query:iter_matches(node, source, start, stop)
+ if type(source) == "number" and source == 0 then
+ source = vim.api.nvim_get_current_buf()
end
local raw_iter = node:_rawquery(self.query, false, start, stop)
local function iter()
local pattern, match = raw_iter()
if match ~= nil then
- local active = self:match_preds(match, pattern, bufnr)
+ local active = self:match_preds(match, pattern, source)
if not active then
return iter() -- tail call: try next match
end