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Ho to disable/make disappear error underlines in QtCreator ?

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  • R RobDaNet

    @mrjj Hi mrjj, I added the code together with the message I get by hovering on the underlines with the mouse. As I mentioned in my question, I tried to find a property in the Font&Colors list, but there's none referring to the Underline. Probably it was added in a later version. As regard the error itself, I don't think it makes any sense. Take this line:

    u->closed_value = Nil;//extra ;
    

    why would it ask for an extra ';' ? The other error messages are without any doubt a consequence of this syntax error, so of very little concern.
    Thanks for your interest.

    mrjjM Offline
    mrjjM Offline
    mrjj
    Lifetime Qt Champion
    wrote on last edited by mrjj
    #6

    @RobDaNet
    Hi
    The #define does not contain the ;
    so when expanded it does miss the ;
    and hence
    value = Nil
    does need the ;

    Note:
    did you update the original post ?
    We have some issues regarding refreshing after forum updates so hence i ask if you added new info:)

    R 1 Reply Last reply
    2
    • mrjjM mrjj

      @RobDaNet
      Hi
      The #define does not contain the ;
      so when expanded it does miss the ;
      and hence
      value = Nil
      does need the ;

      Note:
      did you update the original post ?
      We have some issues regarding refreshing after forum updates so hence i ask if you added new info:)

      R Offline
      R Offline
      RobDaNet
      wrote on last edited by
      #7

      @mrjj HI, yes I did but the first time it didn't show the update. By the way, to which Nil you are referring at? The semicolon is present in the initialization.

      mrjjM 1 Reply Last reply
      0
      • R RobDaNet

        @mrjj HI, yes I did but the first time it didn't show the update. By the way, to which Nil you are referring at? The semicolon is present in the initialization.

        mrjjM Offline
        mrjjM Offline
        mrjj
        Lifetime Qt Champion
        wrote on last edited by
        #8

        @RobDaNet
        Hi
        The image
        alt text

        no ;

        but its updated ?
        (so it has one)

        R 1 Reply Last reply
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        • mrjjM mrjj

          @RobDaNet
          Hi
          The image
          alt text

          no ;

          but its updated ?
          (so it has one)

          R Offline
          R Offline
          RobDaNet
          wrote on last edited by
          #9

          @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

          R mrjjM 2 Replies Last reply
          0
          • R RobDaNet

            @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

            R Offline
            R Offline
            RobDaNet
            wrote on last edited by
            #10

            @RobDaNet I was't trying to be funny, by the way. My point is that once the macro is expanded I have, from a C point of view, no error, even if I pass the macro to a function.

            1 Reply Last reply
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            • R RobDaNet

              @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

              mrjjM Offline
              mrjjM Offline
              mrjj
              Lifetime Qt Champion
              wrote on last edited by
              #11

              Hi
              Ah, yes if you use it as a parameter and not just for an assignment
              then the ; cannot be included.

              but then you must add it when assigning. so in that context
              u->closed_value = Nil;//extra ;
              the ; is not really extra. (IMHO)

              Are you saying that with a c compiler it will accept
              the define with no ;
              at a assignment?
              xxx = Nil

              R 2 Replies Last reply
              1
              • mrjjM mrjj

                Hi
                Ah, yes if you use it as a parameter and not just for an assignment
                then the ; cannot be included.

                but then you must add it when assigning. so in that context
                u->closed_value = Nil;//extra ;
                the ; is not really extra. (IMHO)

                Are you saying that with a c compiler it will accept
                the define with no ;
                at a assignment?
                xxx = Nil

                R Offline
                R Offline
                RobDaNet
                wrote on last edited by
                #12

                @mrjj Not at all, I'm saying that in the initialization the ';' token is present and I shouldn't get those underlines.

                1 Reply Last reply
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                • mrjjM mrjj

                  Hi
                  Ah, yes if you use it as a parameter and not just for an assignment
                  then the ; cannot be included.

                  but then you must add it when assigning. so in that context
                  u->closed_value = Nil;//extra ;
                  the ; is not really extra. (IMHO)

                  Are you saying that with a c compiler it will accept
                  the define with no ;
                  at a assignment?
                  xxx = Nil

                  R Offline
                  R Offline
                  RobDaNet
                  wrote on last edited by
                  #13

                  @mrjj The message in the comment is what I get by hovering the mouse on the underline.

                  1 Reply Last reply
                  0
                  • mrjjM Offline
                    mrjjM Offline
                    mrjj
                    Lifetime Qt Champion
                    wrote on last edited by
                    #14

                    hi
                    well if you include the "extra" ; then
                    i agree it should not whine.
                    However, in that old creator, im not sure that can be disabled.

                    and just so i understand.
                    even with the ;
                    you get
                    u->next = NULL; // expected a declaration
                    return u; // expected token ';' got '{'

                    ?

                    R 1 Reply Last reply
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                    • mrjjM mrjj

                      hi
                      well if you include the "extra" ; then
                      i agree it should not whine.
                      However, in that old creator, im not sure that can be disabled.

                      and just so i understand.
                      even with the ;
                      you get
                      u->next = NULL; // expected a declaration
                      return u; // expected token ';' got '{'

                      ?

                      R Offline
                      R Offline
                      RobDaNet
                      wrote on last edited by
                      #15

                      @mrjj Thanks

                      1 Reply Last reply
                      0
                      • mrjjM Offline
                        mrjjM Offline
                        mrjj
                        Lifetime Qt Champion
                        wrote on last edited by
                        #16

                        Hi
                        Just as a note:
                        You can use QtCreator with any version of Qt.
                        So if you wish you could use the newest Creator with Qt5.5.1
                        Its only if you wish to make Creator plugins the version does matter.

                        That said, im still not sure why it underlines it as
                        checking with other macros it seems to accept it.

                        R 1 Reply Last reply
                        2
                        • mrjjM mrjj

                          Hi
                          Just as a note:
                          You can use QtCreator with any version of Qt.
                          So if you wish you could use the newest Creator with Qt5.5.1
                          Its only if you wish to make Creator plugins the version does matter.

                          That said, im still not sure why it underlines it as
                          checking with other macros it seems to accept it.

                          R Offline
                          R Offline
                          RobDaNet
                          wrote on last edited by
                          #17

                          @mrjj Thanks for your note, too. I'm sure I will get the last version very soon. Especially since it offer the option to turn off the error underlining system. Maybe on the newest version these kind of macros won't even be flagged as an error, as you noticed before.

                          mrjjM 1 Reply Last reply
                          1
                          • R RobDaNet

                            @mrjj Thanks for your note, too. I'm sure I will get the last version very soon. Especially since it offer the option to turn off the error underlining system. Maybe on the newest version these kind of macros won't even be flagged as an error, as you noticed before.

                            mrjjM Offline
                            mrjjM Offline
                            mrjj
                            Lifetime Qt Champion
                            wrote on last edited by
                            #18

                            @RobDaNet
                            I tried to create a Object as a struct with
                            int n;
                            and it seems not to mind :)

                            1 Reply Last reply
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