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<String> alreadySeen = new HashSet<String>();
      for (int i = 0; i < locals.size(); ++i) {
        JsName name = 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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      generateNullFunc(globalStmts);


      // Add a few things onto the beginning.


      // Reserve the "_" identifier.
      JsVars vars = new JsVars();
      vars.add(new JsVar(globalTemp));
      globalStmts.add(0, vars);


      // Long lits must go at the top, they can be constant field initializers.
      generateLongLiterals(vars);


      // Class objects, but only if there are any.
      if (x.getDeclaredTypes().contains(x.getTypeClassLiteralHolder())) {
        // TODO: perhaps they could be constant field initializers also?
        vars = new JsVars();
        generateClassLiterals(vars);
        if (!vars.isEmpty()) {
          globalStmts.add(vars);
        }
      }
    }

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      }
    }


    @Override
    public void endVisit(JsVars x, JsContext<JsStatement> ctx) {
      JsVars strippedVars = new JsVars();
      boolean mustReplace = false;
      for (JsVar var : x) {
        JsVar strippedVar = new JsVar(var.getName());
        strippedVars.add(strippedVar);
        if (var.getInitExpr() != null) {
          mustReplace = true;
        }
      }
      if (mustReplace) {

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    }


    if (x.getNumVars() > maxVarsPerStatement) {
      // compute a list of smaller JsVars statements
      List<JsVars> smallerVars = new ArrayList<JsVars>();
      smallerVars.add(new JsVars());


      for (JsVar var : x) {
        if (last(smallerVars).getNumVars() >= maxVarsPerStatement) {
          // Previous statement is full; start a new one
          smallerVars.add(new JsVars());
        }
        last(smallerVars).add(var);
      }


      // replace x by the sequence smallerVars

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        expression = program.getUndefinedLiteral();
      }


    } 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 = program.getNullLiteral();


      for (JsVar var : vars) {

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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
      JsVars vars;
      if (statements.get(0) instanceof JsVars) {
        vars = (JsVars) statements.get(0);
      } else {
        vars = new JsVars();
        statements.add(0, vars);
      }


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

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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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      // 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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            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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    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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