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Limit the search depth for skip_preceding_trees recovery

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This commit is contained in:
Max Brunsfeld 2017-06-30 17:47:22 -07:00
parent 89e5037f01
commit f722923493
1 changed files with 2 additions and 0 deletions
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2
src/runtime/parser.c
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@ -42,6 +42,7 @@
static const uint32_t SOFT_MAX_VERSION_COUNT = 10;
static const uint32_t HARD_MAX_VERSION_COUNT = 18;
static const uint32_t MAX_PRECEDING_TREES_TO_SKIP = 32;
typedef struct {
Parser *parser;
@ -963,6 +964,7 @@ static bool parser__do_potential_reductions(Parser *self, StackVersion version)
static StackIterateAction parser__skip_preceding_trees_callback(
void *payload, TSStateId state, const TreeArray *trees, uint32_t tree_count) {
if (trees->size > MAX_PRECEDING_TREES_TO_SKIP) return StackIterateStop;
if (tree_count > 0 && state != ERROR_STATE) {
uint32_t bytes_skipped = 0;
for (uint32_t i = 0; i < trees->size; i++) {