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

Handle memory errors occurring in wasm scanners

Browse source 
* In WASM, use a custom, simple malloc implementation that lets us
  expicitly reset the heap with a new start location.
* When a WASM call traps or errors, propagate that as a parse failure.
* Reset the WASM heap after every parse.

Co-authored-by: Conrad <conrad@zed.dev>
This commit is contained in:
Max Brunsfeld 2024-03-13 23:34:17 -07:00
parent b19d85aca7
commit 7a9b3076ef
9 changed files with 1795 additions and 2384 deletions
Download patch file Download diff file Expand all files Collapse all files

3
lib/src/wasm_store.h
View file

@ -9,7 +9,8 @@ extern "C" {
#include "./parser.h"
bool ts_wasm_store_start(TSWasmStore *, TSLexer *, const TSLanguage *);
void ts_wasm_store_stop(TSWasmStore *);
void ts_wasm_store_reset(TSWasmStore *);
bool ts_wasm_store_has_error(const TSWasmStore *);
bool ts_wasm_store_call_lex_main(TSWasmStore *, TSStateId);
bool ts_wasm_store_call_lex_keyword(TSWasmStore *, TSStateId);