Clone sections of grammar+scanner relating to pycode env, but for sageblock/silent

grammar.js

@@ -47,6 +47,8 @@ module.exports = grammar({
     $._trivia_raw_env_listing,
     $._trivia_raw_env_minted,
     $._trivia_raw_env_pycode,
+    $._trivia_raw_env_sagesilent,
+    $._trivia_raw_env_sageblock,
   ],
   word: $ => $.command_name,
   rules: {
@@ -80,6 +82,8 @@ module.exports = grammar({
         $.listing_environment,
         $.minted_environment,
         $.pycode_environment,
+        $.sagesilent_environment,
+        $.sageblock_environment,
         $.generic_environment,
         $.math_environment,
         $._text_content
@@ -510,6 +514,22 @@ module.exports = grammar({
       options: undefined,
     }),
 
+    ...specialEnvironment({
+      rule: 'sagesilent_environment',
+      name: 'sagesilent',
+      content: $ =>
+        field('code', alias($._trivia_raw_env_sagesilent, $.source_code)),
+      options: undefined,
+    }),
+
+    ...specialEnvironment({
+      rule: 'sageblock_environment',
+      name: 'sageblock',
+      content: $ =>
+        field('code', alias($._trivia_raw_env_sageblock, $.source_code)),
+      options: undefined,
+    }),
+
     ...specialEnvironment({
       rule: 'math_environment',
       name: choice(

src/scanner.c

@@ -10,6 +10,8 @@ enum TokenType {
   TRIVIA_RAW_ENV_LISTING,
   TRIVIA_RAW_ENV_MINTED,
   TRIVIA_RAW_ENV_PYCODE,
+  TRIVIA_RAW_ENV_SAGESILENT,
+  TRIVIA_RAW_ENV_SAGEBLOCK,
 };
 
 static bool find_verbatim(TSLexer *lexer, const char *keyword,
@@ -92,7 +94,7 @@ bool tree_sitter_latex_external_scanner_scan(void *payload, TSLexer *lexer,
                                              const bool *valid_symbols) {
   bool found = false;
   TSSymbol type = 0xFFFF;
-  for (int i = 0; i <= TRIVIA_RAW_ENV_PYCODE; i++) {
+  for (int i = 0; i <= TRIVIA_RAW_ENV_SAGEBLOCK; i++) {
     if (valid_symbols[i]) {
       if (found) {
         return false;
@@ -117,6 +119,10 @@ bool tree_sitter_latex_external_scanner_scan(void *payload, TSLexer *lexer,
     return find_verbatim(lexer, "\\end{minted}", false);
   case TRIVIA_RAW_ENV_PYCODE:
     return find_verbatim(lexer, "\\end{pycode}", false);
+  case TRIVIA_RAW_ENV_SAGESILENT:
+    return find_verbatim(lexer, "\\end{sagesilent}", false);
+  case TRIVIA_RAW_ENV_SAGEBLOCK:
+    return find_verbatim(lexer, "\\end{sageblock}", false);
   }
 
   return false;