import { ContextTracker, ExternalTokenizer, LRParser } from '@lezer/lr';
import { styleTags, tags } from '@lezer/highlight';

// This file was generated by lezer-generator. You probably shouldn't edit it.
const StartTag = 1,
  StartCloseTag = 2,
  MissingCloseTag = 3,
  mismatchedStartCloseTag = 4,
  incompleteStartCloseTag = 5,
  commentContent$1 = 36,
  piContent$1 = 37,
  cdataContent$1 = 38,
  Element = 11,
  OpenTag = 13;

/* Hand-written tokenizer for XML tag matching. */

function nameChar(ch) {
  return ch == 45 || ch == 46 || ch == 58 || ch >= 65 && ch <= 90 || ch == 95 || ch >= 97 && ch <= 122 || ch >= 161;
}
function isSpace(ch) {
  return ch == 9 || ch == 10 || ch == 13 || ch == 32;
}
let cachedName = null,
  cachedInput = null,
  cachedPos = 0;
function tagNameAfter(input, offset) {
  let pos = input.pos + offset;
  if (cachedInput == input && cachedPos == pos) return cachedName;
  while (isSpace(input.peek(offset))) offset++;
  let name = "";
  for (;;) {
    let next = input.peek(offset);
    if (!nameChar(next)) break;
    name += String.fromCharCode(next);
    offset++;
  }
  cachedInput = input;
  cachedPos = pos;
  return cachedName = name || null;
}
function ElementContext(name, parent) {
  this.name = name;
  this.parent = parent;
}
const elementContext = new ContextTracker({
  start: null,
  shift(context, term, stack, input) {
    return term == StartTag ? new ElementContext(tagNameAfter(input, 1) || "", context) : context;
  },
  reduce(context, term) {
    return term == Element && context ? context.parent : context;
  },
  reuse(context, node, _stack, input) {
    let type = node.type.id;
    return type == StartTag || type == OpenTag ? new ElementContext(tagNameAfter(input, 1) || "", context) : context;
  },
  strict: false
});
const startTag = new ExternalTokenizer((input, stack) => {
  if (input.next != 60 /* '<' */) return;
  input.advance();
  if (input.next == 47 /* '/' */) {
    input.advance();
    let name = tagNameAfter(input, 0);
    if (!name) return input.acceptToken(incompleteStartCloseTag);
    if (stack.context && name == stack.context.name) return input.acceptToken(StartCloseTag);
    for (let cx = stack.context; cx; cx = cx.parent) if (cx.name == name) return input.acceptToken(MissingCloseTag, -2);
    input.acceptToken(mismatchedStartCloseTag);
  } else if (input.next != 33 /* '!' */ && input.next != 63 /* '?' */) {
    return input.acceptToken(StartTag);
  }
}, {
  contextual: true
});
function scanTo(type, end) {
  return new ExternalTokenizer(input => {
    let len = 0,
      first = end.charCodeAt(0);
    scan: for (;; input.advance(), len++) {
      if (input.next < 0) break;
      if (input.next == first) {
        for (let i = 1; i < end.length; i++) if (input.peek(i) != end.charCodeAt(i)) continue scan;
        break;
      }
    }
    if (len) input.acceptToken(type);
  });
}
const commentContent = scanTo(commentContent$1, "-->");
const piContent = scanTo(piContent$1, "?>");
const cdataContent = scanTo(cdataContent$1, "]]>");
const xmlHighlighting = styleTags({
  Text: tags.content,
  "StartTag StartCloseTag EndTag SelfCloseEndTag": tags.angleBracket,
  TagName: tags.tagName,
  "MismatchedCloseTag/TagName": [tags.tagName, tags.invalid],
  AttributeName: tags.attributeName,
  AttributeValue: tags.attributeValue,
  Is: tags.definitionOperator,
  "EntityReference CharacterReference": tags.character,
  Comment: tags.blockComment,
  ProcessingInst: tags.processingInstruction,
  DoctypeDecl: tags.documentMeta,
  Cdata: tags.special(tags.string)
});

// This file was generated by lezer-generator. You probably shouldn't edit it.
const parser = LRParser.deserialize({
  version: 14,
  states: ",lOQOaOOOrOxO'#CfOzOpO'#CiO!tOaO'#CgOOOP'#Cg'#CgO!{OrO'#CrO#TOtO'#CsO#]OpO'#CtOOOP'#DT'#DTOOOP'#Cv'#CvQQOaOOOOOW'#Cw'#CwO#eOxO,59QOOOP,59Q,59QOOOO'#Cx'#CxO#mOpO,59TO#uO!bO,59TOOOP'#C|'#C|O$TOaO,59RO$[OpO'#CoOOOP,59R,59ROOOQ'#C}'#C}O$dOrO,59^OOOP,59^,59^OOOS'#DO'#DOO$lOtO,59_OOOP,59_,59_O$tOpO,59`O$|OpO,59`OOOP-E6t-E6tOOOW-E6u-E6uOOOP1G.l1G.lOOOO-E6v-E6vO%UO!bO1G.oO%UO!bO1G.oO%dOpO'#CkO%lO!bO'#CyO%zO!bO1G.oOOOP1G.o1G.oOOOP1G.w1G.wOOOP-E6z-E6zOOOP1G.m1G.mO&VOpO,59ZO&_OpO,59ZOOOQ-E6{-E6{OOOP1G.x1G.xOOOS-E6|-E6|OOOP1G.y1G.yO&gOpO1G.zO&gOpO1G.zOOOP1G.z1G.zO&oO!bO7+$ZO&}O!bO7+$ZOOOP7+$Z7+$ZOOOP7+$c7+$cO'YOpO,59VO'bOpO,59VO'mO!bO,59eOOOO-E6w-E6wO'{OpO1G.uO'{OpO1G.uOOOP1G.u1G.uO(TOpO7+$fOOOP7+$f7+$fO(]O!bO<<GuOOOP<<Gu<<GuOOOP<<G}<<G}O'bOpO1G.qO'bOpO1G.qO(hO#tO'#CnO(vO&jO'#CnOOOO1G.q1G.qO)UOpO7+$aOOOP7+$a7+$aOOOP<<HQ<<HQOOOPAN=aAN=aOOOPAN=iAN=iO'bOpO7+$]OOOO7+$]7+$]OOOO'#Cz'#CzO)^O#tO,59YOOOO,59Y,59YOOOO'#C{'#C{O)lO&jO,59YOOOP<<G{<<G{OOOO<<Gw<<GwOOOO-E6x-E6xOOOO1G.t1G.tOOOO-E6y-E6y",
  stateData: ")z~OPQOSVOTWOVWOWWOXWOiXOyPO!QTO!SUO~OvZOx]O~O^`Oz^O~OPQOQcOSVOTWOVWOWWOXWOyPO!QTO!SUO~ORdO~P!SOteO!PgO~OuhO!RjO~O^lOz^O~OvZOxoO~O^qOz^O~O[vO`sOdwOz^O~ORyO~P!SO^{Oz^O~OteO!P}O~OuhO!R!PO~O^!QOz^O~O[!SOz^O~O[!VO`sOd!WOz^O~Oa!YOz^O~Oz^O[mX`mXdmX~O[!VO`sOd!WO~O^!]Oz^O~O[!_Oz^O~O[!aOz^O~O[!cO`sOd!dOz^O~O[!cO`sOd!dO~Oa!eOz^O~Oz^O{!gO}!hO~Oz^O[ma`madma~O[!kOz^O~O[!lOz^O~O[!mO`sOd!nO~OW!qOX!qO{!sO|!qO~OW!tOX!tO}!sO!O!tO~O[!vOz^O~OW!qOX!qO{!yO|!qO~OW!tOX!tO}!yO!O!tO~O",
  goto: "%cxPPPPPPPPPPyyP!PP!VPP!`!jP!pyyyP!v!|#S$[$k$q$w$}%TPPPP%ZXWORYbXRORYb_t`qru!T!U!bQ!i!YS!p!e!fR!w!oQdRRybXSORYbQYORmYQ[PRn[Q_QQkVjp_krz!R!T!X!Z!^!`!f!j!oQr`QzcQ!RlQ!TqQ!XsQ!ZtQ!^{Q!`!QQ!f!YQ!j!]R!o!eQu`S!UqrU![u!U!bR!b!TQ!r!gR!x!rQ!u!hR!z!uQbRRxbQfTR|fQiUR!OiSXOYTaRb",
  nodeNames: "⚠ StartTag StartCloseTag MissingCloseTag StartCloseTag StartCloseTag Document Text EntityReference CharacterReference Cdata Element EndTag OpenTag TagName Attribute AttributeName Is AttributeValue CloseTag SelfCloseEndTag SelfClosingTag Comment ProcessingInst MismatchedCloseTag DoctypeDecl",
  maxTerm: 50,
  context: elementContext,
  nodeProps: [["closedBy", 1, "SelfCloseEndTag EndTag", 13, "CloseTag MissingCloseTag"], ["openedBy", 12, "StartTag StartCloseTag", 19, "OpenTag", 20, "StartTag"], ["isolate", -6, 13, 18, 19, 21, 22, 24, ""]],
  propSources: [xmlHighlighting],
  skippedNodes: [0],
  repeatNodeCount: 9,
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  tokenizers: [startTag, commentContent, piContent, cdataContent, 0, 1, 2, 3, 4],
  topRules: {
    "Document": [0, 6]
  },
  tokenPrec: 0
});

export { parser };
