Examples of JSDocInfo

com.google.javascript.rhino.JSDocInfo

JSDoc information describing JavaScript code. JSDoc is represented as a unified object with fields for each JSDoc annotation, even though some combinations are incorrect. For instance, if a JSDoc describes an enum, it cannot have information about a return type. This implementation takes advantage of such incompatibilities to reuse fields for multiple purposes, reducing memory consumption.

Constructing {@link JSDocInfo} objects is simplified by{@link JSDocInfoBuilder} which provides early incompatibility detection.

Examples of com.google.javascript.rhino.JSDocInfo

      String ctorName = getProp.getFirstChild().getQualifiedName();
      QualifiedName ctorQname = QualifiedName.fromNode(getProp.getFirstChild());
      Preconditions.checkState(currentScope.isLocalFunDef(ctorName));
      RawNominalType classType = currentScope.getNominalType(ctorQname);
      String pname = getProp.getLastChild().getString();
      JSDocInfo jsdoc = NodeUtil.getBestJSDocInfo(getProp);
      JSType propDeclType = getTypeAtPropDeclNode(getProp, jsdoc);
      boolean isConst = isConst(getProp);
      if (propDeclType != null || isConst) {
        JSType previousPropType = classType.getCtorPropDeclaredType(pname);
        if (classType.hasCtorProp(pname) &&

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Examples of com.google.javascript.rhino.JSDocInfo

      // that a definition of a new property.
      if (et != null && et.enumLiteralHasKey(pname)) {
        return;
      }
      Namespace ns = currentScope.getNamespace(QualifiedName.fromNode(recv));
      JSDocInfo jsdoc = NodeUtil.getBestJSDocInfo(declNode);
      JSType propDeclType = getTypeAtPropDeclNode(declNode, jsdoc);
      boolean isConst = isConst(declNode);
      if (propDeclType != null || isConst) {
        JSType previousPropType = ns.getPropDeclaredType(pname);
        if (ns.hasProp(pname) &&

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Examples of com.google.javascript.rhino.JSDocInfo

          currentScope.isConstructor();
    }


    private boolean mayWarnAboutExistingProp(RawNominalType classType,
        String pname, Node propCreationNode, JSType typeInJsdoc) {
      JSDocInfo jsdoc = NodeUtil.getBestJSDocInfo(propCreationNode);
      JSType previousPropType = classType.getInstancePropDeclaredType(pname);
      if (classType.mayHaveOwnProp(pname) &&
          previousPropType != null &&
          !suppressDupPropWarning(jsdoc, typeInJsdoc, previousPropType)) {
        warnings.add(JSError.make(propCreationNode, REDECLARED_PROPERTY,

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Examples of com.google.javascript.rhino.JSDocInfo

     * Compute the declared type for a given scope.
     */
    private void updateFnScope(Scope fnScope, RawNominalType ownerType) {
      Node fn = fnScope.getRoot();
      Preconditions.checkState(fn.isFunction());
      JSDocInfo fnDoc = NodeUtil.getFunctionJSDocInfo(fn);
      String functionName = getFunInternalName(fn);
      DeclaredFunctionType declFunType = computeFnDeclaredType(
        fnDoc, functionName, fn, ownerType, currentScope);
      fnScope.setDeclaredType(declFunType);
    }

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Examples of com.google.javascript.rhino.JSDocInfo

        // prototype property.
        methodScope = visitFunctionLate(initializer, rawType);
        methodType = methodScope.getDeclaredType();
        propDeclType = JSType.fromFunctionType(methodType.toFunctionType());
      } else {
        JSDocInfo jsdoc = NodeUtil.getBestJSDocInfo(defSite);
        if (jsdoc != null && jsdoc.containsFunctionDeclaration()) {
          // We're parsing a function declaration without a function initializer
          methodScope = null;
          methodType = computeFnDeclaredType(
              jsdoc, pname, defSite, rawType, currentScope);
          propDeclType = JSType.fromFunctionType(methodType.toFunctionType());
        } else if (jsdoc != null && jsdoc.hasType()) {
          // We are parsing a non-function prototype property
          methodScope = null;
          methodType = null;
          propDeclType =
              typeParser.getNodeTypeDeclaration(jsdoc, rawType, currentScope);

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Examples of com.google.javascript.rhino.JSDocInfo

              v.getInitialValue() :
              null;
          Node varNode = null;


          // Grab the docinfo before we do any AST manipulation.
          JSDocInfo varDocInfo = v.getJSDocInfo();


          String name = n.getString();
          int nameCount = scopedAliasNames.count(name);
          scopedAliasNames.add(name);
          String globalName =

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Examples of com.google.javascript.rhino.JSDocInfo

          aliasUsages.add(new AliasedNode(aliasVar, n));
        }


        // When we inject declarations, we duplicate jsdoc. Make sure
        // we only process that jsdoc once.
        JSDocInfo info = n.getJSDocInfo();
        if (info != null && !injectedDecls.contains(n)) {
          if (parent.isStringKey() && info == parent.getJSDocInfo()) {
            // Also skip this one, to avoid processing the same JSDocInfo twice:
            // https://github.com/google/closure-compiler/issues/400
          } else {
            for (Node node : info.getTypeNodes()) {
              fixTypeNode(node);
            }
          }
        }

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Examples of com.google.javascript.rhino.JSDocInfo

      // Inputs can have a null AST on a parse error.
      if (n == null) {
        continue;
      }


      JSDocInfo info = n.getJSDocInfo();
      if (info != null && info.isExterns()) {
        // If the input file is explicitly marked as an externs file, then
        // assume the programmer made a mistake and throw it into
        // the externs pile anyways.
        externsRoot.addChildToBack(n);
        input.setIsExtern(true);

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Examples of com.google.javascript.rhino.JSDocInfo

      // Inputs can have a null AST on a parse error.
      if (n == null) {
        continue;
      }


      JSDocInfo info = n.getJSDocInfo();
      if (info != null && info.isNoCompile()) {
        input.getModule().remove(input);
        staleInputs = true;
      }
    }

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Examples of com.google.javascript.rhino.JSDocInfo

   * the class definition from the AST.
   */
  private ClassDefinition extractClassDefinition(
      Node targetName, Node callNode) {


    JSDocInfo classInfo = NodeUtil.getBestJSDocInfo(targetName);


    // name = goog.defineClass(superClass, {...}, [modifier, ...])
    Node superClass = NodeUtil.getArgumentForCallOrNew(callNode, 0);
    if (superClass == null ||
        (!superClass.isNull() && !superClass.isQualifiedName())) {
      compiler.report(JSError.make(callNode, GOOG_CLASS_SUPER_CLASS_NOT_VALID));
      return null;
    }


    if (NodeUtil.isNullOrUndefined(superClass)
        || superClass.matchesQualifiedName("Object")) {
      superClass = null;
    }


    Node description = NodeUtil.getArgumentForCallOrNew(callNode, 1);
    if (description == null
        || !description.isObjectLit()
        || !validateObjLit(description)) {
      // report bad class definition
      compiler.report(JSError.make(callNode, GOOG_CLASS_DESCRIPTOR_NOT_VALID));
      return null;
    }


    int paramCount = callNode.getChildCount() - 1;
    if (paramCount > 2) {
      compiler.report(JSError.make(callNode, GOOG_CLASS_UNEXPECTED_PARAMS));
      return null;
    }


    Node constructor = extractProperty(description, "constructor");
    if (classInfo != null && classInfo.isInterface()) {
      if (constructor != null) {
        compiler.report(JSError.make(description, GOOG_CLASS_CONSTRUCTOR_ON_INTERFACE));
        return null;
      }
    } else if (constructor == null) {
      // report missing constructor
      compiler.report(JSError.make(description, GOOG_CLASS_CONSTRUCTOR_MISSING));
      return null;
    }
    if (constructor == null) {
      constructor = IR.function(
          IR.name("").srcref(callNode),
          IR.paramList().srcref(callNode),
          IR.block().srcref(callNode));
      constructor.srcref(callNode);
    }


    JSDocInfo info = NodeUtil.getBestJSDocInfo(constructor);


    Node classModifier = null;
    Node statics = null;
    Node staticsProp = extractProperty(description, "statics");
    if (staticsProp != null) {

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