Examples of JsEmpty

com.google.gwt.dev.js.ast.JsEmpty
Represents an empty statement in JavaScript.

Examples of com.google.gwt.dev.js.ast.JsEmpty

  public boolean visit(JsExprStmt x, JsContext ctx) {
    if (isDuplicateCall(x.getExpression())) {
      if (ctx.canRemove()) {
        ctx.removeMe();
      } else {
        ctx.replaceMe(new JsEmpty(x.getSourceInfo()));
      }
      return false;


    } else {
      return true;

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Examples of com.google.gwt.dev.js.ast.JsEmpty

      //
      JsStatement bodyStmt = mapStatement(fromBody);
      if (bodyStmt != null) {
        toForIn.setBody(bodyStmt);
      } else {
        toForIn.setBody(new JsEmpty(info));
      }


      return toForIn;
    } else {
      // Regular ol' for loop.
      //
      JsFor toFor = new JsFor(info);


      // The first item is either an expression or a JsVars.
      JsNode initThingy = map(fromInit);
      if (initThingy != null) {
        if (initThingy instanceof JsVars) {
          toFor.setInitVars((JsVars) initThingy);
        } else {
          assert (initThingy instanceof JsExpression);
          toFor.setInitExpr((JsExpression) initThingy);
        }
      }
      toFor.setCondition(mapOptionalExpression(fromTest));
      toFor.setIncrExpr(mapOptionalExpression(fromIncr));


      JsStatement bodyStmt = mapStatement(fromBody);
      if (bodyStmt != null) {
        toFor.setBody(bodyStmt);
      } else {
        toFor.setBody(new JsEmpty(info));
      }
      return toFor;
    }
  }

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Examples of com.google.gwt.dev.js.ast.JsEmpty

        throw createParserException("Expecting a statement", nodeStmt);
      }
    } else {
      // When map() returns null, we return an empty statement.
      //
      return new JsEmpty(makeSourceInfo(nodeStmt));
    }
  }

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Examples of com.google.gwt.dev.js.ast.JsEmpty

    public void endVisit(JsExprStmt x, JsContext ctx) {
      if (!x.getExpression().hasSideEffects()) {
        if (ctx.canRemove()) {
          ctx.removeMe();
        } else {
          ctx.replaceMe(new JsEmpty(x.getSourceInfo()));
        }
      }
    }

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Examples of com.google.gwt.dev.js.ast.JsEmpty

    public boolean visit(JsExprStmt x, JsContext ctx) {
      if (isDuplicateCall(x.getExpression())) {
        if (ctx.canRemove()) {
          ctx.removeMe();
        } else {
          ctx.replaceMe(new JsEmpty(x.getSourceInfo()));
        }
        return false;


      } else {
        return true;

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Examples of com.google.gwt.dev.js.ast.JsEmpty

      if (statements.size() == 0) {
        // The expression contained no side effects at all.
        if (ctx.canRemove()) {
          ctx.removeMe();
        } else {
          ctx.replaceMe(new JsEmpty(x.getSourceInfo()));
        }


      } else if (x.getExpression() != statements.get(0).getExpression()) {
        // Something has changed

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Examples of com.google.gwt.dev.js.ast.JsEmpty

    } else {
      /*
       * An empty JsVars seems possibly surprising; return a true empty
       * statement instead.
       */
      return new JsEmpty(stat.getSourceInfo());
    }
  }

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Examples of com.google.gwt.dev.js.ast.JsEmpty

    public void endVisit(JDoStatement x, Context ctx) {
      JsDoWhile stmt = new JsDoWhile(x.getSourceInfo());
      if (x.getBody() != null) {
        stmt.setBody((JsStatement) pop()); // body
      } else {
        stmt.setBody(new JsEmpty(x.getSourceInfo()));
      }
      stmt.setCondition((JsExpression) pop()); // testExpr
      push(stmt);
    }

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Examples of com.google.gwt.dev.js.ast.JsEmpty


      // body
      if (x.getBody() != null) {
        jsFor.setBody((JsStatement) pop());
      } else {
        jsFor.setBody(new JsEmpty(x.getSourceInfo()));
      }


      // increments
      {
        JsExpression incrExpr = null;

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Examples of com.google.gwt.dev.js.ast.JsEmpty

      }


      if (x.getThenStmt() != null) {
        stmt.setThenStmt((JsStatement) pop()); // thenStmt
      } else {
        stmt.setThenStmt(new JsEmpty(x.getSourceInfo()));
      }


      stmt.setIfExpr((JsExpression) pop()); // ifExpr
      push(stmt);
    }

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