src/Tools/VSCode/src/build_vscode_extension.scala

 import isabelle._
 
 
 object Build_VSCode
 {
-  val extension_dir = Path.explode("$ISABELLE_VSCODE_HOME/extension")
-
-
-  /* grammar */
-
-  def build_grammar(options: Options, progress: Progress = new Progress): Unit =
+  val extension_dir: Path = Path.explode("$ISABELLE_VSCODE_HOME/extension")
+
+
+  /* build grammar */
+
+  def default_logic: String = Isabelle_System.getenv("ISABELLE_LOGIC")
+
+  def build_grammar(options: Options,
+    logic: String = default_logic,
+    dirs: List[Path] = Nil,
+    progress: Progress = new Progress): Unit =
   {
-    val logic = TextMate_Grammar.default_logic
-    val keywords = Sessions.base_info(options, logic).check.base.overall_syntax.keywords
-
-    val output_path = extension_dir + Path.explode(TextMate_Grammar.default_output(logic))
+    val keywords =
+      Sessions.base_info(options, logic, dirs = dirs).check.base.overall_syntax.keywords
+
+    val output_path = extension_dir + Path.explode("isabelle-grammar.json")
     progress.echo(output_path.expand.implode)
-    File.write_backup(output_path, TextMate_Grammar.generate(keywords))
+
+    val (minor_keywords, operators) =
+      keywords.minor.iterator.toList.partition(Symbol.is_ascii_identifier)
+
+    def major_keywords(pred: String => Boolean): List[String] =
+      (for {
+        k <- keywords.major.iterator
+        kind <- keywords.kinds.get(k)
+        if pred(kind)
+      } yield k).toList
+
+    val keywords1 =
+      major_keywords(k => k != Keyword.THY_END && k != Keyword.PRF_ASM && k != Keyword.PRF_ASM_GOAL)
+    val keywords2 = minor_keywords ::: major_keywords(Set(Keyword.THY_END))
+    val keywords3 = major_keywords(Set(Keyword.PRF_ASM, Keyword.PRF_ASM_GOAL))
+
+    def grouped_names(as: List[String]): String =
+      JSON.Format("\\b(" + as.sorted.map(Library.escape_regex).mkString("|") + ")\\b")
+
+    File.write_backup(output_path, """{
+  "name": "Isabelle",
+  "scopeName": "source.isabelle",
+  "fileTypes": ["thy"],
+  "uuid": """ + JSON.Format(UUID.random().toString) + """,
+  "repository": {
+    "comment": {
+      "patterns": [
+        {
+          "name": "comment.block.isabelle",
+          "begin": "\\(\\*",
+          "patterns": [{ "include": "#comment" }],
+          "end": "\\*\\)"
+        }
+      ]
+    },
+    "cartouche": {
+      "patterns": [
+        {
+          "name": "string.quoted.other.multiline.isabelle",
+          "begin": "(?:\\\\<open>|‹)",
+          "patterns": [{ "include": "#cartouche" }],
+          "end": "(?:\\\\<close>|›)"
+        }
+      ]
+    }
+  },
+  "patterns": [
+    {
+      "include": "#comment"
+    },
+    {
+      "include": "#cartouche"
+    },
+    {
+      "name": "keyword.control.isabelle",
+      "match": """ + grouped_names(keywords1) + """
+    },
+    {
+      "name": "keyword.other.unit.isabelle",
+      "match": """ + grouped_names(keywords2) + """
+    },
+    {
+      "name": "keyword.operator.isabelle",
+      "match": """ + grouped_names(operators) + """
+    },
+    {
+      "name": "entity.name.type.isabelle",
+      "match": """ + grouped_names(keywords3) + """
+    },
+    {
+      "name": "constant.numeric.isabelle",
+      "match": "\\b\\d*\\.?\\d+\\b"
+    },
+    {
+      "name": "string.quoted.double.isabelle",
+      "begin": "\"",
+      "patterns": [
+        {
+          "name": "constant.character.escape.isabelle",
+          "match": """ + JSON.Format("""\\[\"]|\\\d\d\d""") + """
+        }
+      ],
+      "end": "\""
+    },
+    {
+      "name": "string.quoted.backtick.isabelle",
+      "begin": "`",
+      "patterns": [
+        {
+          "name": "constant.character.escape.isabelle",
+          "match": """ + JSON.Format("""\\[\`]|\\\d\d\d""") + """
+        }
+      ],
+      "end": "`"
+    },
+    {
+      "name": "string.quoted.verbatim.isabelle",
+      "begin": """ + JSON.Format("""\{\*""") + """,
+      "patterns": [
+        { "match": """ + JSON.Format("""[^*]+|\*(?!\})""") + """ }
+      ],
+      "end": """ + JSON.Format("""\*\}""") + """
+    }
+  ]
+}
+""")
   }
 
 
   /* extension */
 

 
   val isabelle_tool =
     Isabelle_Tool("build_vscode_extension", "build Isabelle/VSCode extension module",
       Scala_Project.here, args =>
     {
+      var dirs: List[Path] = Nil
+      var logic = default_logic
       var install = false
       var uninstall = false
 
       val getopts = Getopts("""
 Usage: isabelle build_vscode_extension
 
   Options are:
     -I           install resulting extension
     -U           uninstall extension (no build)
+    -l NAME      logic session name (default ISABELLE_LOGIC=""" + quote(default_logic) + """)
 
 Build Isabelle/VSCode extension module in directory
 """ + extension_dir.expand + """
 """,
+        "d:" -> (arg => dirs = dirs ::: List(Path.explode(arg))),
+        "l:" -> (arg => logic = arg),
         "I" -> (_ => install = true),
         "U" -> (_ => uninstall = true))
 
       val more_args = getopts(args)
       if (more_args.nonEmpty) getopts.usage()

 
       if (uninstall) {
         uninstall_extension(progress = progress)
       }
       else {
-        build_grammar(options, progress = progress)
+        build_grammar(options, logic = logic, dirs = dirs, progress = progress)
         val path = build_extension(progress = progress)
         if (install) install_extension(path, progress = progress)
       }
     })
 }