fix typst-parser: array index overflow in parseGroupsOfArguments()

qwinsi · Jan 23, 2025 · b84c433 · b84c433
1 parent 1e46310
commit b84c433
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/src/typst-parser.ts b/src/typst-parser.ts
@@ -457,6 +457,7 @@ export class TypstParser {
     // start: the position of the left parentheses
     parseGroupsOfArguments(tokens: TypstToken[], start: number): [TypstNode[][], TypstNamedParams, number] {
         const end = find_closing_match(tokens, start);
+        tokens = tokens.slice(0, end);
 
         const matrix: TypstNode[][] = [];
         let named_params: TypstNamedParams = {};

diff --git a/test/integration-cases.yml b/test/integration-cases.yml
@@ -405,4 +405,13 @@ cases:
     typst: a_(23)
   - title: number in superscript
     tex: a^{23}
-    typst: a^(23)
+    typst: a^(23)
+  - title: matrixes
+    tex: |-
+      \left[\begin{matrix}
+      a_x & a_1 \\ a_1 & a_x
+      \end{matrix} \right] + \left[\begin{matrix}
+      a_y & a_2 \\ a_2 & a_y
+      \end{matrix} \right]
+    typst: |-
+      mat(delim: "[", a_x , a_1 ; a_1 , a_x) + mat(delim: "[", a_y, a_2; a_2, a_y)