traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Allow version count to temporarily exceed the max during reductions

Browse source
This commit is contained in:
Max Brunsfeld 2018-08-30 10:41:59 -07:00
parent 7fc64ed25a
commit 0fe6496b8b
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/runtime/parser.c
View file

@ -36,6 +36,7 @@
#define SYM_NAME(symbol) ts_language_symbol_name(self->language, symbol)
static const unsigned MAX_VERSION_COUNT = 6;
static const unsigned MAX_VERSION_COUNT_OVERFLOW = 4;
static const unsigned MAX_SUMMARY_DEPTH = 16;
static const unsigned MAX_COST_DIFFERENCE = 16 * ERROR_COST_PER_SKIPPED_TREE;
@ -633,7 +634,7 @@ static StackVersion ts_parser__reduce(TSParser *self, StackVersion version, TSSy
// Error recovery can sometimes cause lots of stack versions to merge,
// such that a single pop operation can produce a lots of slices.
// Avoid creating too many stack versions in that situation.
if (i > 0 && slice_version > MAX_VERSION_COUNT) {
if (i > 0 && slice_version > MAX_VERSION_COUNT + MAX_VERSION_COUNT_OVERFLOW) {
ts_stack_remove_version(self->stack, slice_version);
ts_subtree_array_delete(&self->tree_pool, &slice.subtrees);
removed_version_count++;