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feat(treesitter): upstream node_length() as a node method

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Util from the nvim-treesitter project.
This commit is contained in:
Quentin Rasmont
2022-05-01 21:13:47 +02:00
committed by bfredl
parent baba43681e
commit f57341a4b6
2 changed files with 31 additions and 0 deletions
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15
src/nvim/lua/treesitter.c
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@@ -90,6 +90,7 @@ static struct luaL_Reg node_meta[] = {
{ "prev_named_sibling", node_prev_named_sibling },
{ "named_children", node_named_children },
{ "root", node_root },
{ "byte_length", node_byte_length },
{ NULL, NULL }
};
@@ -1111,6 +1112,20 @@ static int node_root(lua_State *L)
return 1;
}
static int node_byte_length(lua_State *L)
{
TSNode node;
if (!node_check(L, 1, &node)) {
return 0;
}
uint32_t start_byte = ts_node_start_byte(node);
uint32_t end_byte = ts_node_end_byte(node);
lua_pushnumber(L, end_byte - start_byte);
return 1;
}
/// assumes the match table being on top of the stack
static void set_match(lua_State *L, TSQueryMatch *match, int nodeidx)
{