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; Add treesit_recursion_limit

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* src/treesit.c (treesit_recursion_limit): New constant.
(treesit_cursor_helper)
(Ftreesit_search_subtree)
(Ftreesit_induce_sparse_tree): Use the new constant.
This commit is contained in:
Yuan Fu 2022-12-23 17:17:25 -08:00
parent 6a43af5880
commit e30621caa2
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GPG key ID: 56E19BC57664A442
1 changed files with 8 additions and 3 deletions
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11
src/treesit.c
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@ -404,6 +404,10 @@ init_treesit_functions (void)
/*** Initialization */ /*** Initialization */
/* This is the limit on recursion levels for some tree-sitter
functions. Remember to update docstrings when changing this
value. */
const ptrdiff_t treesit_recursion_limit = 1000;
bool treesit_initialized = false; bool treesit_initialized = false;
static bool static bool
@ -2706,7 +2710,8 @@ treesit_cursor_helper (TSTreeCursor *cursor, TSNode node, Lisp_Object parser)
uint32_t end_pos = ts_node_end_byte (node); uint32_t end_pos = ts_node_end_byte (node);
TSNode root = ts_tree_root_node (XTS_PARSER (parser)->tree); TSNode root = ts_tree_root_node (XTS_PARSER (parser)->tree);
*cursor = ts_tree_cursor_new (root); *cursor = ts_tree_cursor_new (root);
bool success = treesit_cursor_helper_1 (cursor, &node, end_pos, 1000); bool success = treesit_cursor_helper_1 (cursor, &node, end_pos,
treesit_recursion_limit);
if (!success) if (!success)
ts_tree_cursor_delete (cursor); ts_tree_cursor_delete (cursor);
return success; return success;
@ -2971,7 +2976,7 @@ Return the first matched node, or nil if none matches. */)
/* We use a default limit of 1000. See bug#59426 for the /* We use a default limit of 1000. See bug#59426 for the
discussion. */ discussion. */
ptrdiff_t the_limit = 1000; ptrdiff_t the_limit = treesit_recursion_limit;
if (!NILP (limit)) if (!NILP (limit))
{ {
CHECK_FIXNUM (limit); CHECK_FIXNUM (limit);
@ -3150,7 +3155,7 @@ a regexp. */)
/* We use a default limit of 1000. See bug#59426 for the /* We use a default limit of 1000. See bug#59426 for the
discussion. */ discussion. */
ptrdiff_t the_limit = 1000; ptrdiff_t the_limit = treesit_recursion_limit;
if (!NILP (limit)) if (!NILP (limit))
{ {
CHECK_FIXNUM (limit); CHECK_FIXNUM (limit);