Examples of com.google.gwt.dev.js.ast.JsVars$JsVar

com.google.gwt.dev.js.ast.JsVars
A var declared using the JavaScript var statement.

       * Note: it's fine to use the same JS ident to represent two different
       * Java locals of the same name since they could never conflict with each
       * other in Java. We use the alreadySeen set to make sure we don't declare
       * the same-named local var twice.
       */
      JsVars vars = new JsVars();
      Set alreadySeen = new HashSet();
      for (int i = 0; i < locals.size(); ++i) {
        JsName name = (JsName) names.get(x.locals.get(i));
        String ident = name.getIdent();
        if (!alreadySeen.contains(ident)) {
          alreadySeen.add(ident);
          vars.add(new JsVar(name));
        }
      }


      if (!vars.isEmpty()) {
        jsFunc.getBody().getStatements().add(0, vars);
      }


      push(jsFunc);
    }

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      }


      generateGwtOnLoad(entryFuncs, globalStmts);


      // a few more vars on the very end
      JsVars vars = new JsVars();
      generateTypeTable(vars);
      generateClassLiterals(vars);
      if (!vars.isEmpty()) {
        globalStmts.add(vars);
      }
    }

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    // @Override
    public boolean visit(JProgram x, Context ctx) {
      JsStatements globalStatements = jsProgram.getGlobalBlock().getStatements();


      // declare some global vars
      JsVars vars = new JsVars();


      // reserve the "_" identifier
      vars.add(new JsVar(globalTemp));
      generatePackageNames(vars);
      globalStatements.add(vars);


      generateNullFunc(globalStatements);
      return true;

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            + unOp.getIntDatum());
    }
  }


  private JsVars mapVar(Node varNode) throws JsParserException {
    JsVars toVars = new JsVars();
    Node fromVar = varNode.getFirstChild();
    while (fromVar != null) {
      // Use a conservative name allocation strategy that allocates all names
      // from the function's scope, even the names of properties in field
      // literals.
      //
      String fromName = fromVar.getString();
      JsName toName = getScope().declareName(fromName);
      JsVars.JsVar toVar = new JsVars.JsVar(toName);


      Node fromInit = fromVar.getFirstChild();
      if (fromInit != null) {
        JsExpression toInit = mapExpression(fromInit);
        toVar.setInitExpr(toInit);
      }
      toVars.add(toVar);


      fromVar = fromVar.getNext();
    }


    return toVars;

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  /**
   * Make a new, empty {@link JsVars} that is a child of x.
   */
  private JsVars makeNewChildVars(JsVars x) {
    return new JsVars(x.getSourceInfo());
  }

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            JsRootScope.INSTANCE.getUndefined());
      }


    } else if (statement instanceof JsVars) {
      // Create a comma expression for variable initializers
      JsVars vars = (JsVars) statement;


      // Rely on comma expression cleanup to remove this later.
      expression = JsNullLiteral.INSTANCE;


      for (JsVar var : vars) {

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  }


  private JsVars mapVar(Node varNode) throws JsParserException {
    SourceInfo info = makeSourceInfo(varNode);
    pushSourceInfo(info);
    JsVars toVars = new JsVars(info);
    Node fromVar = varNode.getFirstChild();
    while (fromVar != null) {
      // Use a conservative name allocation strategy that allocates all names
      // from the function's scope, even the names of properties in field
      // literals.
      //
      String fromName = fromVar.getString();
      JsName toName = getScope().declareName(fromName);
      JsVars.JsVar toVar = new JsVars.JsVar(makeSourceInfo(fromVar), toName);


      Node fromInit = fromVar.getFirstChild();
      if (fromInit != null) {
        JsExpression toInit = mapExpression(fromInit);
        toVar.setInitExpr(toInit);
      }
      toVars.add(toVar);


      fromVar = fromVar.getNext();
    }


    popSourceInfo();

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      // The body can't be empty if we have local variables to create
      assert !statements.isEmpty();


      // Find or create the JsVars as the first statement
      SourceInfo sourceInfo = x.getSourceInfo();
      JsVars vars;
      if (statements.get(0) instanceof JsVars) {
        vars = (JsVars) statements.get(0);
      } else {
        vars = new JsVars(sourceInfo);
        statements.add(0, vars);
      }


      // Add all variables
      for (JsName name : newLocalVariables) {
        vars.add(new JsVar(sourceInfo, name));
      }
    }

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    JsVar stackDepthVar = new JsVar(info, stackDepth);
    stackDepthVar.setInitExpr(new JsNumberLiteral(info, (-1)));
    JsVar lineNumbersVar = new JsVar(info, lineNumbers);
    lineNumbersVar.setInitExpr(new JsArrayLiteral(info));


    JsVars vars;
    JsStatement first = jsProgram.getGlobalBlock().getStatements().get(0);
    if (first instanceof JsVars) {
      vars = (JsVars) first;
    } else {
      vars = new JsVars(info);
      jsProgram.getGlobalBlock().getStatements().add(0, vars);
    }
    vars.add(stackVar);
    vars.add(stackDepthVar);
    vars.add(lineNumbersVar);
  }

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        // Add push and pop statements
        statements.add(idx, push(currentFunction));
        addPopAtEndOfBlock(x, false);


        // Add any needed variables
        JsVars vars;
        if (statements.get(0) instanceof JsVars) {
          vars = (JsVars) statements.get(0);
        } else {
          vars = new JsVars(currentFunction.getSourceInfo());
          statements.add(0, vars);
        }
        for (JsVar var : varsToAdd) {
          vars.add(var);
        }
      }
    }

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