emacs/tree-sitter.tree-sitter
1
0
Fork 0
mirror of https://github.com/tree-sitter/tree-sitter.git synced 2026-09-10 07:36:22 -04:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

fix(generate): avoid mutating inherited reserved sets

Browse source 
Copy the base grammar's reserved set map before adding or replacing sets
in a derived grammar.
This commit is contained in:
Will Lillis 2026-08-23 16:41:15 -04:00
parent 1cb91662a5
commit c6c137a329
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
crates/generate/src/dsl.js
View file

@ -340,7 +340,7 @@ function grammar(baseGrammar, options) {
}
}
let reserved = baseGrammar.reserved;
let reserved = { ...baseGrammar.reserved };
if (options.reserved) {
if (typeof options.reserved !== "object") {
throw new Error("Grammar's 'reserved' property must be an object.");