diff --git a/.gitignore b/.gitignore index 8165bcb..8e76096 100644 --- a/.gitignore +++ b/.gitignore @@ -4,11 +4,5 @@ package-lock.json build npm-debug.log log.html -tree-sitter-hcl.wasm .env .DS_Store - -fuzz/fuzzer -fuzz/*.o -fuzz/*.a -fuzz/fuzz-*.log diff --git a/README.md b/README.md index 926382e..42390aa 100644 --- a/README.md +++ b/README.md @@ -2,6 +2,10 @@ tree-sitter grammar for the [HCL](https://github.com/hashicorp/hcl/blob/main/hclsyntax/spec.md) language +## Try It Out + +Try the parser in the [playground](https://michahoffmann.github.io/tree-sitter-hcl/) + ## Example Highlighting `example/example.hcl`: @@ -30,3 +34,6 @@ Total parses: 1892; successful parses: 1892; failed parses: 0; success percentag See the [fuzzing repo for this parser](https://github.com/MichaHoffmann/tree-sitter-hcl-fuzz) +## Attributions + +Pages were copied from https://github.com/m-novikov/tree-sitter-sql diff --git a/docs/index.html b/docs/index.html new file mode 100644 index 0000000..43479e8 --- /dev/null +++ b/docs/index.html @@ -0,0 +1,83 @@ + + + + + Tree Sitter HCL Playground + + + + + + + + +
+

Tree Sitter HCL Playground

+

Code

+
+ + + + + +
+ + + + + +

Tree

+ +
+ 

+      

+      
+    

+
+    
+    
+    
+    
+    
+  
+
diff --git a/docs/playground.js b/docs/playground.js
new file mode 100644
index 0000000..17c7b2a
--- /dev/null
+++ b/docs/playground.js
@@ -0,0 +1,498 @@
+// This file is licensed under MIT license
+// Copyright (c) 2018 Max Brunsfeld
+// Taken from https://github.com/tree-sitter/tree-sitter/docs/assets/playground.js
+let tree;
+
+(async () => {
+  const CAPTURE_REGEX = /@\s*([\w\._-]+)/g;
+  const COLORS_BY_INDEX = [
+    "blue",
+    "chocolate",
+    "darkblue",
+    "darkcyan",
+    "darkgreen",
+    "darkred",
+    "darkslategray",
+    "dimgray",
+    "green",
+    "indigo",
+    "navy",
+    "red",
+    "sienna",
+  ];
+
+  const scriptURL = document.getElementById("playground-script").src;
+
+  const codeInput = document.getElementById("code-input");
+  const loggingCheckbox = document.getElementById("logging-checkbox");
+  const outputContainer = document.getElementById("output-container");
+  const outputContainerScroll = document.getElementById(
+    "output-container-scroll",
+  );
+  const playgroundContainer = document.getElementById("playground-container");
+  const queryCheckbox = document.getElementById("query-checkbox");
+  const createIssueBtn = document.getElementById("create-issue-btn");
+  const queryContainer = document.getElementById("query-container");
+  const queryInput = document.getElementById("query-input");
+  const updateTimeSpan = document.getElementById("update-time");
+
+  loadState();
+
+  await TreeSitter.init();
+
+  const parser = new TreeSitter();
+  const codeEditor = CodeMirror.fromTextArea(codeInput, {
+    lineNumbers: true,
+    showCursorWhenSelecting: true,
+  });
+
+  const queryEditor = CodeMirror.fromTextArea(queryInput, {
+    lineNumbers: true,
+    showCursorWhenSelecting: true,
+  });
+
+  const cluster = new Clusterize({
+    rows: [],
+    noDataText: null,
+    contentElem: outputContainer,
+    scrollElem: outputContainerScroll,
+  });
+  const renderTreeOnCodeChange = debounce(renderTree, 50);
+  const saveStateOnChange = debounce(saveState, 2000);
+  const runTreeQueryOnChange = debounce(runTreeQuery, 50);
+
+  let languageName = "hcl";
+  let treeRows = null;
+  let treeRowHighlightedIndex = -1;
+  let parseCount = 0;
+  let isRendering = 0;
+  let query;
+
+  codeEditor.on("changes", handleCodeChange);
+  codeEditor.on("viewportChange", runTreeQueryOnChange);
+  codeEditor.on("cursorActivity", debounce(handleCursorMovement, 150));
+  queryEditor.on("changes", debounce(handleQueryChange, 150));
+
+  loggingCheckbox.addEventListener("change", handleLoggingChange);
+  queryCheckbox.addEventListener("change", handleQueryEnableChange);
+  outputContainer.addEventListener("click", handleTreeClick);
+  createIssueBtn.addEventListener("click", handleCreateIssue);
+  handleQueryEnableChange();
+  await loadLanguage();
+
+  playgroundContainer.style.visibility = "visible";
+
+  async function loadLanguage() {
+    const query = new URL(scriptURL).search;
+    const url = `tree-sitter-hcl.wasm${query}`;
+    const language = await TreeSitter.Language.load(url);
+    tree = null;
+    parser.setLanguage(language);
+    handleCodeChange();
+    handleQueryChange();
+  }
+
+  async function handleCodeChange(editor, changes) {
+    const newText = codeEditor.getValue() + "\n";
+    const edits = tree && changes && changes.map(treeEditForEditorChange);
+
+    const start = performance.now();
+    if (edits) {
+      for (const edit of edits) {
+        tree.edit(edit);
+      }
+    }
+    const newTree = parser.parse(newText, tree);
+    const duration = (performance.now() - start).toFixed(1);
+
+    updateTimeSpan.innerText = `${duration} ms`;
+    if (tree) tree.delete();
+    tree = newTree;
+    parseCount++;
+    renderTreeOnCodeChange();
+    runTreeQueryOnChange();
+    saveStateOnChange();
+  }
+
+  async function renderTree() {
+    isRendering++;
+    const cursor = tree.walk();
+
+    let currentRenderCount = parseCount;
+    let row = "";
+    let rows = [];
+    let finishedRow = false;
+    let visitedChildren = false;
+    let indentLevel = 0;
+
+    for (let i = 0; ; i++) {
+      if (i > 0 && i % 10000 === 0) {
+        await new Promise(r => setTimeout(r, 0));
+        if (parseCount !== currentRenderCount) {
+          cursor.delete();
+          isRendering--;
+          return;
+        }
+      }
+
+      let displayName;
+      if (cursor.nodeIsMissing) {
+        displayName = `MISSING ${cursor.nodeType}`;
+      } else if (cursor.nodeIsNamed) {
+        displayName = cursor.nodeType;
+      }
+
+      if (visitedChildren) {
+        if (displayName) {
+          finishedRow = true;
+        }
+
+        if (cursor.gotoNextSibling()) {
+          visitedChildren = false;
+        } else if (cursor.gotoParent()) {
+          visitedChildren = true;
+          indentLevel--;
+        } else {
+          break;
+        }
+      } else {
+        if (displayName) {
+          if (finishedRow) {
+            row += "";
+            rows.push(row);
+            finishedRow = false;
+          }
+          const start = cursor.startPosition;
+          const end = cursor.endPosition;
+          const id = cursor.nodeId;
+          let fieldName = cursor.currentFieldName();
+          if (fieldName) {
+            fieldName += ": ";
+          } else {
+            fieldName = "";
+          }
+          row = `
${"  ".repeat(
+            indentLevel,
+          )}${fieldName}${displayName} [${
+            start.row
+          }, ${start.column}] - [${end.row}, ${end.column}])`;
+          finishedRow = true;
+        }
+
+        if (cursor.gotoFirstChild()) {
+          visitedChildren = false;
+          indentLevel++;
+        } else {
+          visitedChildren = true;
+        }
+      }
+    }
+    if (finishedRow) {
+      row += "
";
+      rows.push(row);
+    }
+
+    cursor.delete();
+    cluster.update(rows);
+    treeRows = rows;
+    isRendering--;
+    handleCursorMovement();
+  }
+
+  function runTreeQuery(_, startRow, endRow) {
+    if (endRow == null) {
+      const viewport = codeEditor.getViewport();
+      startRow = viewport.from;
+      endRow = viewport.to;
+    }
+
+    codeEditor.operation(() => {
+      const marks = codeEditor.getAllMarks();
+      marks.forEach(m => m.clear());
+
+      if (tree && query) {
+        const captures = query.captures(
+          tree.rootNode,
+          { row: startRow, column: 0 },
+          { row: endRow, column: 0 },
+        );
+        let lastNodeId;
+        for (const { name, node } of captures) {
+          if (node.id === lastNodeId) continue;
+          lastNodeId = node.id;
+          const { startPosition, endPosition } = node;
+          codeEditor.markText(
+            { line: startPosition.row, ch: startPosition.column },
+            { line: endPosition.row, ch: endPosition.column },
+            {
+              inclusiveLeft: true,
+              inclusiveRight: true,
+              css: `color: ${colorForCaptureName(name)}`,
+            },
+          );
+        }
+      }
+    });
+  }
+
+  function handleQueryChange() {
+    if (query) {
+      query.delete();
+      query.deleted = true;
+      query = null;
+    }
+
+    queryEditor.operation(() => {
+      queryEditor.getAllMarks().forEach(m => m.clear());
+      if (!queryCheckbox.checked) return;
+
+      const queryText = queryEditor.getValue();
+
+      try {
+        query = parser.getLanguage().query(queryText);
+        let match;
+
+        let row = 0;
+        queryEditor.eachLine(line => {
+          while ((match = CAPTURE_REGEX.exec(line.text))) {
+            queryEditor.markText(
+              { line: row, ch: match.index },
+              { line: row, ch: match.index + match[0].length },
+              {
+                inclusiveLeft: true,
+                inclusiveRight: true,
+                css: `color: ${colorForCaptureName(match[1])}`,
+              },
+            );
+          }
+          row++;
+        });
+      } catch (error) {
+        const startPosition = queryEditor.posFromIndex(error.index);
+        const endPosition = {
+          line: startPosition.line,
+          ch: startPosition.ch + (error.length || Infinity),
+        };
+
+        if (error.index === queryText.length) {
+          if (startPosition.ch > 0) {
+            startPosition.ch--;
+          } else if (startPosition.row > 0) {
+            startPosition.row--;
+            startPosition.column = Infinity;
+          }
+        }
+
+        queryEditor.markText(startPosition, endPosition, {
+          className: "query-error",
+          inclusiveLeft: true,
+          inclusiveRight: true,
+          attributes: { title: error.message },
+        });
+      }
+    });
+
+    runTreeQuery();
+    saveQueryState();
+  }
+
+  function handleCursorMovement() {
+    if (isRendering) return;
+
+    const selection = codeEditor.getDoc().listSelections()[0];
+    let start = { row: selection.anchor.line, column: selection.anchor.ch };
+    let end = { row: selection.head.line, column: selection.head.ch };
+    if (
+      start.row > end.row ||
+      (start.row === end.row && start.column > end.column)
+    ) {
+      let swap = end;
+      end = start;
+      start = swap;
+    }
+    const node = tree.rootNode.namedDescendantForPosition(start, end);
+    if (treeRows) {
+      if (treeRowHighlightedIndex !== -1) {
+        const row = treeRows[treeRowHighlightedIndex];
+        if (row)
+          treeRows[treeRowHighlightedIndex] = row.replace(
+            "highlighted",
+            "plain",
+          );
+      }
+      treeRowHighlightedIndex = treeRows.findIndex(row =>
+        row.includes(`data-id=${node.id}`),
+      );
+      if (treeRowHighlightedIndex !== -1) {
+        const row = treeRows[treeRowHighlightedIndex];
+        if (row)
+          treeRows[treeRowHighlightedIndex] = row.replace(
+            "plain",
+            "highlighted",
+          );
+      }
+      cluster.update(treeRows);
+      const lineHeight = cluster.options.item_height;
+      const scrollTop = outputContainerScroll.scrollTop;
+      const containerHeight = outputContainerScroll.clientHeight;
+      const offset = treeRowHighlightedIndex * lineHeight;
+      if (scrollTop > offset - 20) {
+        $(outputContainerScroll).animate({ scrollTop: offset - 20 }, 150);
+      } else if (scrollTop < offset + lineHeight + 40 - containerHeight) {
+        $(outputContainerScroll).animate(
+          { scrollTop: offset - containerHeight + 40 },
+          150,
+        );
+      }
+    }
+  }
+
+  function handleCreateIssue() {
+    const queryText = codeEditor.getValue();
+    const outputText = outputContainer.innerText;
+    const title = `Error parsing SQL`;
+    const body = `Error when parsing the following SQL:
+\`\`\`
+${queryText}
+\`\`\`
+Error:
+\`\`\`
+${outputText}
+\`\`\``;
+    const queryParams = `title=${encodeURIComponent(
+      title,
+    )}&body=${encodeURIComponent(body)}`;
+    const url = `https://github.com/m-novikov/tree-sitter-sql/issues/new?${queryParams}`;
+    window.open(url);
+  }
+
+  function handleTreeClick(event) {
+    if (event.target.tagName === "A") {
+      event.preventDefault();
+      const [startRow, startColumn, endRow, endColumn] =
+        event.target.dataset.range.split(",").map(n => parseInt(n));
+      codeEditor.focus();
+      codeEditor.setSelection(
+        { line: startRow, ch: startColumn },
+        { line: endRow, ch: endColumn },
+      );
+    }
+  }
+
+  function handleLoggingChange() {
+    if (loggingCheckbox.checked) {
+      parser.setLogger((message, lexing) => {
+        if (lexing) {
+          console.log("  ", message);
+        } else {
+          console.log(message);
+        }
+      });
+    } else {
+      parser.setLogger(null);
+    }
+  }
+
+  function handleQueryEnableChange() {
+    if (queryCheckbox.checked) {
+      queryContainer.style.visibility = "";
+      queryContainer.style.position = "";
+    } else {
+      queryContainer.style.visibility = "hidden";
+      queryContainer.style.position = "absolute";
+    }
+    handleQueryChange();
+  }
+
+  function treeEditForEditorChange(change) {
+    const oldLineCount = change.removed.length;
+    const newLineCount = change.text.length;
+    const lastLineLength = change.text[newLineCount - 1].length;
+
+    const startPosition = { row: change.from.line, column: change.from.ch };
+    const oldEndPosition = { row: change.to.line, column: change.to.ch };
+    const newEndPosition = {
+      row: startPosition.row + newLineCount - 1,
+      column:
+        newLineCount === 1
+          ? startPosition.column + lastLineLength
+          : lastLineLength,
+    };
+
+    const startIndex = codeEditor.indexFromPos(change.from);
+    let newEndIndex = startIndex + newLineCount - 1;
+    let oldEndIndex = startIndex + oldLineCount - 1;
+    for (let i = 0; i < newLineCount; i++) newEndIndex += change.text[i].length;
+    for (let i = 0; i < oldLineCount; i++)
+      oldEndIndex += change.removed[i].length;
+
+    return {
+      startIndex,
+      oldEndIndex,
+      newEndIndex,
+      startPosition,
+      oldEndPosition,
+      newEndPosition,
+    };
+  }
+
+  function colorForCaptureName(capture) {
+    const id = query.captureNames.indexOf(capture);
+    return COLORS_BY_INDEX[id % COLORS_BY_INDEX.length];
+  }
+
+  function storageGetItem(lookupKey) {
+    try {
+      return localStorage.getItem(lookupKey);
+    } catch {
+      return null;
+    }
+  }
+
+  function storageSetItem(lookupKey, value) {
+    try {
+      return localStorage.setIem(lookupKey, value);
+    } catch {}
+  }
+
+  function loadState() {
+    const language = storageGetItem("language");
+    const sourceCode = storageGetItem("sourceCode");
+    const query = storageGetItem("query");
+    const queryEnabled = storageGetItem("queryEnabled");
+    if (language != null && sourceCode != null && query != null) {
+      queryInput.value = query;
+      codeInput.value = sourceCode;
+      queryCheckbox.checked = queryEnabled === "true";
+    }
+  }
+
+  function saveState() {
+    storageSetItem("sourceCode", codeEditor.getValue());
+    saveQueryState();
+  }
+
+  function saveQueryState() {
+    storageSetItem("queryEnabled", queryCheckbox.checked);
+    storageSetItem("query", queryEditor.getValue());
+  }
+
+  function debounce(func, wait, immediate) {
+    var timeout;
+    return function () {
+      var context = this,
+        args = arguments;
+      var later = function () {
+        timeout = null;
+        if (!immediate) func.apply(context, args);
+      };
+      var callNow = immediate && !timeout;
+      clearTimeout(timeout);
+      timeout = setTimeout(later, wait);
+      if (callNow) func.apply(context, args);
+    };
+  }
+})();
+
diff --git a/docs/tree-sitter-hcl.wasm b/docs/tree-sitter-hcl.wasm
new file mode 100755
index 0000000..f59ca3c
Binary files /dev/null and b/docs/tree-sitter-hcl.wasm differ
diff --git a/docs/vendor/tree-sitter.js b/docs/vendor/tree-sitter.js
new file mode 100644
index 0000000..81ee7f7
--- /dev/null
+++ b/docs/vendor/tree-sitter.js
@@ -0,0 +1 @@
+var Module=void 0!==Module?Module:{},TreeSitter=function(){var e,t="object"==typeof window?{currentScript:window.document.currentScript}:null;class Parser{constructor(){this.initialize()}initialize(){throw new Error("cannot construct a Parser before calling `init()`")}static init(r){return e||(Module=Object.assign({},Module,r),e=new Promise(e=>{var r,n={};for(r in Module)Module.hasOwnProperty(r)&&(n[r]=Module[r]);var s,o,_=[],a="./this.program",u=function(e,t){throw t},i=!1,l=!1;i="object"==typeof window,l="function"==typeof importScripts,s="object"==typeof process&&"object"==typeof process.versions&&"string"==typeof process.versions.node,o=!i&&!s&&!l;var d,c,m,f,p,h="";s?(h=l?require("path").dirname(h)+"/":__dirname+"/",d=function(e,t){return f||(f=require("fs")),p||(p=require("path")),e=p.normalize(e),f.readFileSync(e,t?null:"utf8")},m=function(e){var t=d(e,!0);return t.buffer||(t=new Uint8Array(t)),k(t.buffer),t},process.argv.length>1&&(a=process.argv[1].replace(/\\/g,"/")),_=process.argv.slice(2),"undefined"!=typeof module&&(module.exports=Module),u=function(e){process.exit(e)},Module.inspect=function(){return"[Emscripten Module object]"}):o?("undefined"!=typeof read&&(d=function(e){return read(e)}),m=function(e){var t;return"function"==typeof readbuffer?new Uint8Array(readbuffer(e)):(k("object"==typeof(t=read(e,"binary"))),t)},"undefined"!=typeof scriptArgs?_=scriptArgs:void 0!==arguments&&(_=arguments),"function"==typeof quit&&(u=function(e){quit(e)}),"undefined"!=typeof print&&("undefined"==typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!=typeof printErr?printErr:print)):(i||l)&&(l?h=self.location.href:void 0!==t&&t.currentScript&&(h=t.currentScript.src),h=0!==h.indexOf("blob:")?h.substr(0,h.lastIndexOf("/")+1):"",d=function(e){var t=new XMLHttpRequest;return t.open("GET",e,!1),t.send(null),t.responseText},l&&(m=function(e){var t=new XMLHttpRequest;return t.open("GET",e,!1),t.responseType="arraybuffer",t.send(null),new Uint8Array(t.response)}),c=function(e,t,r){var n=new XMLHttpRequest;n.open("GET",e,!0),n.responseType="arraybuffer",n.onload=function(){200==n.status||0==n.status&&n.response?t(n.response):r()},n.onerror=r,n.send(null)});Module.print||console.log.bind(console);var g=Module.printErr||console.warn.bind(console);for(r in n)n.hasOwnProperty(r)&&(Module[r]=n[r]);n=null,Module.arguments&&(_=Module.arguments),Module.thisProgram&&(a=Module.thisProgram),Module.quit&&(u=Module.quit);var w=16;var y,M=[];function b(e,t){if(!y){y=new WeakMap;for(var r=0;r>0]=t;break;case"i16":L[e>>1]=t;break;case"i32":W[e>>2]=t;break;case"i64":ue=[t>>>0,(ae=t,+Math.abs(ae)>=1?ae>0?(0|Math.min(+Math.floor(ae/4294967296),4294967295))>>>0:~~+Math.ceil((ae-+(~~ae>>>0))/4294967296)>>>0:0)],W[e>>2]=ue[0],W[e+4>>2]=ue[1];break;case"float":O[e>>2]=t;break;case"double":Z[e>>3]=t;break;default:oe("invalid type for setValue: "+r)}}function N(e,t,r){switch("*"===(t=t||"i8").charAt(t.length-1)&&(t="i32"),t){case"i1":case"i8":return R[e>>0];case"i16":return L[e>>1];case"i32":case"i64":return W[e>>2];case"float":return O[e>>2];case"double":return Z[e>>3];default:oe("invalid type for getValue: "+t)}return null}"object"!=typeof WebAssembly&&oe("no native wasm support detected");var P=!1;function k(e,t){e||oe("Assertion failed: "+t)}var C=1;var q,R,T,L,W,O,Z,F="undefined"!=typeof TextDecoder?new TextDecoder("utf8"):void 0;function $(e,t,r){for(var n=t+r,s=t;e[s]&&!(s>=n);)++s;if(s-t>16&&e.subarray&&F)return F.decode(e.subarray(t,s));for(var 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x(r,e,"i32"),x(r+Ye,t,"i32"),Qe._ts_node_named_descendant_for_index_wasm(this.tree[0]),wt(this.tree)}descendantForPosition(e,t=e){if(!ht(e)||!ht(t))throw new Error("Arguments must be {row, column} objects");gt(this);let r=lt+et;return bt(r,e),bt(r+tt,t),Qe._ts_node_descendant_for_position_wasm(this.tree[0]),wt(this.tree)}namedDescendantForPosition(e,t=e){if(!ht(e)||!ht(t))throw new Error("Arguments must be {row, column} objects");gt(this);let r=lt+et;return bt(r,e),bt(r+tt,t),Qe._ts_node_named_descendant_for_position_wasm(this.tree[0]),wt(this.tree)}walk(){return gt(this),Qe._ts_tree_cursor_new_wasm(this.tree[0]),new TreeCursor(Je,this.tree)}toString(){gt(this);const e=Qe._ts_node_to_string_wasm(this.tree[0]),t=function(e){for(var t="";;){var r=T[e++>>0];if(!r)return t;t+=String.fromCharCode(r)}}(e);return Qe._free(e),t}}class TreeCursor{constructor(e,t){pt(e),this.tree=t,Mt(this)}delete(){yt(this),Qe._ts_tree_cursor_delete_wasm(this.tree[0]),this[0]=this[1]=this[2]=0}reset(e){gt(e),yt(this,lt+et),Qe._ts_tree_cursor_reset_wasm(this.tree[0]),Mt(this)}get nodeType(){return this.tree.language.types[this.nodeTypeId]||"ERROR"}get nodeTypeId(){return yt(this),Qe._ts_tree_cursor_current_node_type_id_wasm(this.tree[0])}get nodeId(){return yt(this),Qe._ts_tree_cursor_current_node_id_wasm(this.tree[0])}get nodeIsNamed(){return yt(this),1===Qe._ts_tree_cursor_current_node_is_named_wasm(this.tree[0])}get nodeIsMissing(){return yt(this),1===Qe._ts_tree_cursor_current_node_is_missing_wasm(this.tree[0])}get nodeText(){yt(this);const e=Qe._ts_tree_cursor_start_index_wasm(this.tree[0]),t=Qe._ts_tree_cursor_end_index_wasm(this.tree[0]);return mt(this.tree,e,t)}get startPosition(){return yt(this),Qe._ts_tree_cursor_start_position_wasm(this.tree[0]),vt(lt)}get endPosition(){return yt(this),Qe._ts_tree_cursor_end_position_wasm(this.tree[0]),vt(lt)}get startIndex(){return yt(this),Qe._ts_tree_cursor_start_index_wasm(this.tree[0])}get endIndex(){return yt(this),Qe._ts_tree_cursor_end_index_wasm(this.tree[0])}currentNode(){return yt(this),Qe._ts_tree_cursor_current_node_wasm(this.tree[0]),wt(this.tree)}currentFieldId(){return yt(this),Qe._ts_tree_cursor_current_field_id_wasm(this.tree[0])}currentFieldName(){return this.tree.language.fields[this.currentFieldId()]}gotoFirstChild(){yt(this);const e=Qe._ts_tree_cursor_goto_first_child_wasm(this.tree[0]);return Mt(this),1===e}gotoNextSibling(){yt(this);const e=Qe._ts_tree_cursor_goto_next_sibling_wasm(this.tree[0]);return Mt(this),1===e}gotoParent(){yt(this);const e=Qe._ts_tree_cursor_goto_parent_wasm(this.tree[0]);return Mt(this),1===e}}class Language{constructor(e,t){pt(e),this[0]=t,this.types=new Array(Qe._ts_language_symbol_count(this[0]));for(let e=0,t=this.types.length;e0){if("string"!==s[0].type)throw new Error("Predicates must begin with a literal value");const t=s[0].value;let r=!0;switch(t){case"not-eq?":r=!1;case"eq?":if(3!==s.length)throw new Error(`Wrong number of arguments to \`#eq?\` predicate. Expected 2, got ${s.length-1}`);if("capture"!==s[1].type)throw new Error(`First argument of \`#eq?\` predicate must be a capture. Got "${s[1].value}"`);if("capture"===s[2].type){const t=s[1].name,n=s[2].name;m[e].push(function(e){let s,o;for(const r of e)r.name===t&&(s=r.node),r.name===n&&(o=r.node);return void 0===s||void 0===o||s.text===o.text===r})}else{const t=s[1].name,n=s[2].value;m[e].push(function(e){for(const s of e)if(s.name===t)return s.node.text===n===r;return!0})}break;case"not-match?":r=!1;case"match?":if(3!==s.length)throw new Error(`Wrong number of arguments to \`#match?\` predicate. Expected 2, got ${s.length-1}.`);if("capture"!==s[1].type)throw new Error(`First argument of \`#match?\` predicate must be a capture. Got "${s[1].value}".`);if("string"!==s[2].type)throw new Error(`Second argument of \`#match?\` predicate must be a string. Got @${s[2].value}.`);const n=s[1].name,o=new RegExp(s[2].value);m[e].push(function(e){for(const t of e)if(t.name===n)return o.test(t.node.text)===r;return!0});break;case"set!":if(s.length<2||s.length>3)throw new Error(`Wrong number of arguments to \`#set!\` predicate. Expected 1 or 2. Got ${s.length-1}.`);if(s.some(e=>"string"!==e.type))throw new Error('Arguments to `#set!` predicate must be a strings.".');i[e]||(i[e]={}),i[e][s[1].value]=s[2]?s[2].value:null;break;case"is?":case"is-not?":if(s.length<2||s.length>3)throw new Error(`Wrong number of arguments to \`#${t}\` predicate. Expected 1 or 2. Got ${s.length-1}.`);if(s.some(e=>"string"!==e.type))throw new Error(`Arguments to \`#${t}\` predicate must be a strings.".`);const _="is?"===t?l:d;_[e]||(_[e]={}),_[e][s[1].value]=s[2]?s[2].value:null;break;default:c[e].push({operator:t,operands:s.slice(1)})}s.length=0}}Object.freeze(i[e]),Object.freeze(l[e]),Object.freeze(d[e])}return Qe._free(r),new Query(Je,n,a,m,c,Object.freeze(i),Object.freeze(l),Object.freeze(d))}static load(e){let t;if(e instanceof Uint8Array)t=Promise.resolve(e);else{const r=e;if("undefined"!=typeof process&&process.versions&&process.versions.node){const e=require("fs");t=Promise.resolve(e.readFileSync(r))}else t=fetch(r).then(e=>e.arrayBuffer().then(t=>{if(e.ok)return new Uint8Array(t);{const r=new TextDecoder("utf-8").decode(t);throw new Error(`Language.load failed with status ${e.status}.\n\n${r}`)}}))}const r="function"==typeof loadSideModule?loadSideModule:xe;return t.then(e=>r(e,{loadAsync:!0})).then(e=>{const t=Object.keys(e),r=t.find(e=>at.test(e)&&!e.includes("external_scanner_"));r||console.log(`Couldn't find language function in WASM file. Symbols:\n${JSON.stringify(t,null,2)}`);const n=e[r]();return new Language(Je,n)})}}class Query{constructor(e,t,r,n,s,o,_,a){pt(e),this[0]=t,this.captureNames=r,this.textPredicates=n,this.predicates=s,this.setProperties=o,this.assertedProperties=_,this.refutedProperties=a,this.exceededMatchLimit=!1}delete(){Qe._ts_query_delete(this[0]),this[0]=0}matches(e,t,r,n){t||(t=nt),r||(r=nt),n||(n={});let s=n.matchLimit;if(void 0===s)s=0;else if("number"!=typeof s)throw new Error("Arguments must be numbers");gt(e),Qe._ts_query_matches_wasm(this[0],e.tree[0],t.row,t.column,r.row,r.column,s);const o=N(lt,"i32"),_=N(lt+Ye,"i32"),a=N(lt+2*Ye,"i32"),u=new Array(o);this.exceededMatchLimit=!!a;let i=0,l=_;for(let t=0;te(s))){u[i++]={pattern:r,captures:s};const e=this.setProperties[r];e&&(u[t].setProperties=e);const n=this.assertedProperties[r];n&&(u[t].assertedProperties=n);const o=this.refutedProperties[r];o&&(u[t].refutedProperties=o)}}return u.length=i,Qe._free(_),u}captures(e,t,r,n){t||(t=nt),r||(r=nt),n||(n={});let s=n.matchLimit;if(void 0===s)s=0;else if("number"!=typeof s)throw new Error("Arguments must be numbers");gt(e),Qe._ts_query_captures_wasm(this[0],e.tree[0],t.row,t.column,r.row,r.column,s);const o=N(lt,"i32"),_=N(lt+Ye,"i32"),a=N(lt+2*Ye,"i32"),u=[];this.exceededMatchLimit=!!a;const i=[];let l=_;for(let t=0;te(i))){const e=i[n],r=this.setProperties[t];r&&(e.setProperties=r);const s=this.assertedProperties[t];s&&(e.assertedProperties=s);const o=this.refutedProperties[t];o&&(e.refutedProperties=o),u.push(e)}}return Qe._free(_),u}predicatesForPattern(e){return this.predicates[e]}didExceedMatchLimit(){return this.exceededMatchLimit}}function mt(e,t,r){const n=r-t;let s=e.textCallback(t,null,r);for(t+=s.length;t0))break;t+=n.length,s+=n}return t>r&&(s=s.slice(0,n)),s}function ft(e,t,r,n){for(let s=0,o=n.length;s{ParserImpl.init(),e()})}))}}return Parser}();"object"==typeof exports&&(module.exports=TreeSitter);
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