Java NodeUtil.isNameDeclaration方法代码示例

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
@Override
public final void visit(NodeTraversal nodeTraversal, Node n, Node parent) {
  if (n.isCall()
      && parent.isExprResult()
      && matchName(n.getFirstChild())) {
    calls.add(parent);
  } else if (NodeUtil.isNameDeclaration(parent)
      && n.hasChildren()
      && n.getLastChild().isCall()
      && matchName(n.getLastChild().getFirstChild())) {
    checkState(n.isName() || n.isDestructuringLhs(), n);
    calls.add(parent);
  } else if (!calls.isEmpty() && parent != null && NodeUtil.isStatement(parent)) {
    // Reached a non-goog.(require|provide|forwardDeclare) statement, so stop.
    finished = true;
  }
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
@Override
public void visit(NodeTraversal t, final Node n, final Node parent) {
  if (NodeUtil.isNameDeclaration(n)) {
    RequireDetector detector = new RequireDetector();
    traverseEs6(t.getCompiler(), n, detector);

    if (detector.foundRequire) {
      Node addAfter = n;
      for (Node last = n.getLastChild();
          last != null && last != n.getFirstChild();
          last = n.getLastChild()) {
        n.removeChild(last);

        Node newDecl = declaration(last, n.getToken()).srcrefTree(last);
        parent.addChildAfter(newDecl, addAfter);
        addAfter = newDecl;
        t.reportCodeChange();
      }
    }
  }
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
@Override
public void visit(NodeTraversal t, Node n, Node parent) {
  if (n.isScript()) {
    visitScript();
    return;
  }

  if (n.isClass() || n.isFunction() || NodeUtil.isNameDeclaration(n)) {
    visitInternalNameDefinition(n, parent);
  }

  if (n.isExport()) {
    visitExport(n);
  }

  if (n.isImport()) {
    visitImport(n);
  }
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
/**
 * Whether the given function should have JSDoc. True if it's a function declared
 * in the global scope, or a method on a class which is declared in the global scope.
 */
private boolean isFunctionThatShouldHaveJsDoc(NodeTraversal t, Node function) {
  if (!(t.inGlobalHoistScope() || t.inModuleScope())) {
    return false;
  }
  if (NodeUtil.isFunctionDeclaration(function)) {
    return true;
  }
  if (NodeUtil.isNameDeclaration(function.getGrandparent()) || function.getParent().isAssign()) {
    return true;
  }
  if (function.getParent().isExport()) {
    return true;
  }

  if (function.getGrandparent().isClassMembers()) {
    Node memberNode = function.getParent();
    if (memberNode.isMemberFunctionDef()) {
      // A constructor with no parameters doesn't need JSDoc,
      // but all other member functions do.
      return !isConstructorWithoutParameters(function);
    } else if (memberNode.isGetterDef() || memberNode.isSetterDef()) {
      return true;
    }
  }

  if (function.getGrandparent().isObjectLit()
      && NodeUtil.isCallTo(function.getGrandparent().getParent(), "Polymer")) {
    return true;
  }

  return false;
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
private static final String getNamespace(Node requireStatement) {
  if (requireStatement.isExprResult()) {
    // goog.require('a.b.c');
    return requireStatement.getFirstChild().getLastChild().getString();
  } else if (NodeUtil.isNameDeclaration(requireStatement)) {
    if (requireStatement.getFirstChild().isName()) {
      // const x = goog.require('a.b.c');
      return requireStatement.getFirstFirstChild().getLastChild().getString();
    } else if (requireStatement.getFirstChild().isDestructuringLhs()) {
      // const {x} = goog.require('a.b.c');
      return requireStatement.getFirstChild().getLastChild().getLastChild().getString();
    }
  }
  throw new IllegalArgumentException("Unexpected node " + requireStatement);
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
@Override
public String apply(Node n) {
  String key = null;
  boolean isForwardDeclare = false;
  if (NodeUtil.isNameDeclaration(n)) {
    if (n.getFirstChild().isName()) {
      // Case 1:
      //   var x = goog.require('w.x');
      // or
      //   var x = goog.forwardDeclare('w.x');
      key = n.getFirstChild().getString();
      if (n.getFirstFirstChild()
          .getFirstChild()
          .matchesQualifiedName("goog.forwardDeclare")) {
        isForwardDeclare = true;
      }
    } else if (n.getFirstChild().isDestructuringLhs()) {
      // Case 2: var {y} = goog.require('w.x');
      // All case 2 nodes should come after all case 1 nodes. ('{' sorts after a-z)
      Node pattern = n.getFirstFirstChild();
      checkState(pattern.isObjectPattern(), pattern);
      Node call = n.getFirstChild().getLastChild();
      checkState(call.isCall(), call);
      checkState(
          call.getFirstChild().matchesQualifiedName("goog.require"), call.getFirstChild());
      if (!pattern.hasChildren()) {
        key = "{";
      } else {
        key = "{" + pattern.getFirstChild().getString();
      }
    }
  } else if (n.isExprResult()) {
    // Case 3, one of:
    //   goog.provide('a.b.c');
    //   goog.require('a.b.c');
    //   goog.forwardDeclare('a.b.c');
    // All case 3 nodes should come after case 1 and 2 nodes, so prepend
    // '|' which sorts after '{'
    key = "|" + n.getFirstChild().getLastChild().getString();
    if (n.getFirstFirstChild().matchesQualifiedName("goog.forwardDeclare")) {
      isForwardDeclare = true;
    }
  } else {
    throw new IllegalArgumentException("Unexpected node " + n);
  }
  // Make sure all forwardDeclares come after all requires.
  return (isForwardDeclare ? "z" : "a") + checkNotNull(key);
}
 

import com.google.javascript.jscomp.NodeUtil; //导入方法依赖的package包/类
@Override
public void visit(NodeTraversal t, Node n, Node parent) {
  switch (n.getToken()) {
    case SCRIPT:
      // Duplicate provides are already checked in ProcessClosurePrimitives.
      checkForDuplicates(requires);
      reportIfOutOfOrder(requires, REQUIRES_NOT_SORTED);
      reportIfOutOfOrder(provides, PROVIDES_NOT_SORTED);
      reset();
      break;
    case CALL:
      Node callee = n.getFirstChild();
      if (!callee.matchesQualifiedName("goog.require")
          && !callee.matchesQualifiedName("goog.forwardDeclare")
          && !callee.matchesQualifiedName("goog.provide")
          && !callee.matchesQualifiedName("goog.module")) {
        return;
      }

      if (parent.isExprResult() && NodeUtil.isTopLevel(parent.getParent())) {
        Node namespaceNode = n.getLastChild();
        if (!namespaceNode.isString()) {
          return;
        }
        String namespace = namespaceNode.getString();
        if (namespace == null) {
          return;
        }
        if (callee.matchesQualifiedName("goog.require")
            || callee.matchesQualifiedName("goog.forwardDeclare")) {
          requires.add(parent);
        } else {
          if (!requires.isEmpty()) {
            t.report(n, PROVIDES_AFTER_REQUIRES);
          }
          if (callee.matchesQualifiedName("goog.provide")) {
            provides.add(parent);
          }
        }
      } else if (NodeUtil.isNameDeclaration(parent.getParent())
          && (callee.matchesQualifiedName("goog.require")
              || callee.matchesQualifiedName("goog.forwardDeclare"))) {
        requires.add(parent.getParent());
      }
      break;
    default:
      break;
  }
}