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/* Title: Tools/VSCode/src/grammar.scala
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Author: Makarius
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Generate static TextMate grammar for VSCode editor.
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*/
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package isabelle.vscode
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import isabelle._
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import java.util.UUID
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object Grammar
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{
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/* generate grammar */
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private lazy val default_logic = Isabelle_System.getenv("ISABELLE_LOGIC")
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private def default_output(logic: String = ""): String =
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if (logic == "" || logic == default_logic) "isabelle-grammar.json"
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else "isabelle-" + logic + "-grammar.json"
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def generate(keywords: Keyword.Keywords): JSON.S =
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{
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val (minor_keywords, operators) =
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keywords.minor.iterator.toList.partition(Symbol.is_ascii_identifier(_))
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def major_keywords(pred: String => Boolean): List[String] =
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(for {
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k <- keywords.major.iterator
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kind <- keywords.kinds.get(k)
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if pred(kind)
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} yield k).toList
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val keywords1 =
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major_keywords(k => k != Keyword.THY_END && k != Keyword.PRF_ASM && k != Keyword.PRF_ASM_GOAL)
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val keywords2 = minor_keywords ::: major_keywords(Set(Keyword.THY_END))
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val keywords3 = major_keywords(Set(Keyword.PRF_ASM, Keyword.PRF_ASM_GOAL))
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def quote_name(a: String): String =
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if (Symbol.is_ascii_identifier(a)) a else "\\Q" + a + "\\E"
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def grouped_names(as: List[String]): String =
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JSON.Format("\\b(" + as.sorted.map(quote_name(_)).mkString("|") + ")\\b")
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"""{
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"name": "Isabelle",
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"scopeName": "source.isabelle",
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"fileTypes": ["thy"],
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"uuid": """ + JSON.Format(UUID.randomUUID().toString) + """,
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"repository": {
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"comments": {
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"patterns": [
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{
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"name": "comment.block.isabelle",
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"begin": "\\(\\*",
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"beginCaptures": {
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"0": { "name": "punctuation.definition.comment.begin.isabelle" }
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},
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"patterns": [{ "include": "#comments" }],
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"end": "\\*\\)",
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"endCaptures": {
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"0": { "name": "punctuation.definition.comment.end.isabelle" }
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}
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}
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]
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}
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},
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"patterns": [
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{
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"include": "#comments"
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},
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{
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"name": "keyword.control.isabelle",
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"match": """ + grouped_names(keywords1) + """
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},
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{
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"name": "keyword.other.isabelle",
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"match": """ + grouped_names(keywords2) + """
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},
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{
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"name": "keyword.operator.isabelle",
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"match": """ + grouped_names(operators) + """
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},
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{
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"name": "constant.language.isabelle",
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"match": """ + grouped_names(keywords3) + """
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},
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{
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"match": "\\b\\d*\\.?\\d+\\b",
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"name": "constant.numeric.isabelle"
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},
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{
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"name": "string.quoted.double.isabelle",
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"begin": "\"",
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"beginCaptures": {
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"0": { "name": "punctuation.definition.string.begin.isabelle" }
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},
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"patterns": [
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{
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"match": "\\\\.",
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"name": "constant.character.escape.isabelle"
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}
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],
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"end": "\"",
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"endCaptures": {
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"0": { "name": "punctuation.definition.string.end.isabelle" }
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}
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}
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]
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}
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"""
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}
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/* Isabelle tool wrapper */
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val isabelle_tool = Isabelle_Tool("vscode_grammar",
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"generate static TextMate grammar for VSCode editor", args =>
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{
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var dirs: List[Path] = Nil
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var logic = default_logic
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var output: Option[Path] = None
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val getopts = Getopts("""
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Usage: isabelle vscode_grammar [OPTIONS]
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Options are:
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-d DIR include session directory
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-l NAME logic session name (default ISABELLE_LOGIC=""" + quote(default_logic) + """)
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-o FILE output file name (default """ + default_output() + """)
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Generate static TextMate grammar for VSCode editor.
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""",
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"d:" -> (arg => dirs = dirs ::: List(Path.explode(arg))),
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"l:" -> (arg => logic = arg),
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"o:" -> (arg => output = Some(Path.explode(arg))))
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val more_args = getopts(args)
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if (more_args.nonEmpty) getopts.usage()
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val keywords = Build.outer_syntax(Options.init(), dirs, logic).keywords
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val output_path = output getOrElse Path.explode(default_output(logic))
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Output.writeln(output_path.implode)
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File.write(output_path, generate(keywords))
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})
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}
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