Compiling with C++

This is a discussion on Compiling with C++ within the C++ Programming forums, part of the General Programming Boards category; Well I know I am not ready to you guys, but I belive I am. I want to make a ...

  1. #1
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    Compiling with C++

    Well I know I am not ready to you guys, but I belive I am.

    I want to make a program that can at first recognize c++ (counsle) functions that are in variables.

    What I mean is I put like, lets say, cout<<"Hello"; in a variable and then the program would know what to do.

    Then I want to make the priogram able to make anouther c++ program but does the actions in the variables in the order they are in.

    I have no clue were to start this.


    Thanks alot!

  2. #2
    Guest Sebastiani's Avatar
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    sounds like you're wanting to make a C++ interpreter. basically you just split the text into tokens, lookup the appropriate function pointer, then marshall the parameters to the function.
    Code:
    if( numeric_limits< byte >::digits != bits_per_byte )
        error( "program requires bits_per_byte-bit bytes" );
    24bbs.cpp

  3. #3
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    well ok, but now the looking up part is the hard thing.

    I looked on google and found nothing but the characters that c++ uses.

    Could someone help me maybe get a site on this or somthing?

  4. #4
    Guest Sebastiani's Avatar
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    >> I looked on google and found nothing but the characters that c++ uses.

    well, looking at my keyboard I see a total of two characters that c++ *doesn't* use('`' and '@') - so pretty much everything has to be expected by your scanner. also you'll have to differentiate between tokens like + and ++, etc - you might google on some working lexical scanner implementations to begin with.
    Code:
    if( numeric_limits< byte >::digits != bits_per_byte )
        error( "program requires bits_per_byte-bit bytes" );
    24bbs.cpp

  5. #5
    Cat without Hat CornedBee's Avatar
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    C++ is an extremely complicated language to parse. You should look into an alternative approach to whatever your problem is.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  6. #6
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    lol well I wasn't looking for the whole lang. to fit into the program.

    But I also was gonig to cram it into a dll.

    And I will try some other time.

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