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Writing own programming language

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Writing own programming language A place for discussing programming languages not covered in specific forums such as Assembler, COBOL, etc. - you get the idea.

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  #1  
Old December 16th, 2005, 04:52 PM
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Writing own programming language
Can anyone give me any tips on writing my own programming language?
I have lokked at YACC, but I dont really get it
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  #2  
Old December 16th, 2005, 05:02 PM
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Damn, ambitious!

I admit to having done a very simple scripting language, but it wasn't very functional. To be honest, I don't know what to point you to. People who conceive their own programming languages usually have umpty years of experience.
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Old December 16th, 2005, 05:04 PM
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I have one that I wrote in around 550 lines of C++ code with comments. Let me know if you want the source. YACC takes the drudgery of writing two parts of an interpreter or compiler, which is the lexer and the parser. I'll write a bigger post about writing a compiler shortly.
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Old December 16th, 2005, 08:26 PM
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If I was to make a language I'd make it very specific. For example, I'm of the mind to write an object oriented music score generating language, it's something I've thought about for a while. A way of making objects out of some of Schillinger's concepts in his volumous System of Musical Composition which can programmatically be manipulated, likely generating MIDI output which can then be fed into whatever sequencer from there.

I can't imagine a single person making a full blown multi-purpose language in this modern day ...
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Old December 21st, 2005, 04:17 AM
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What would that language be for?
Unless it's something nobody's ever done before you're better sticking to the big guns.
Don't invent the wheel twice.
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Old December 21st, 2005, 04:25 AM
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Old December 21st, 2005, 04:36 AM
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Quote:
What would that language be for?


fun? because it's there?

& go for it Scorp.
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Old December 21st, 2005, 03:45 PM
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Dependent on your needs, might I suggest a markup language based on xml for your first stab at creating a programming language.
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Old December 21st, 2005, 03:55 PM
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Quote:
Originally Posted by medialint
I can't imagine a single person making a full blown multi-purpose language in this modern day ...

Java, Python and Ruby generally spring to mind .

As for MOO, I wrote it in a fit of boredom mainly. The history is here.
I believe there are a few people using the MOO engine in their own products.
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  #10  
Old December 21st, 2005, 06:11 PM
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There are NO bugs . Anything you see that may be buggy, is actually A FEATURE!!

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Old December 22nd, 2005, 01:42 AM
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Quote:
There are NO bugs . Anything you see that may be buggy, is actually A FEATURE!!

Hey, that's a Microsoft trademark!!! They could sue youfor that!!!
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Old December 22nd, 2005, 06:32 AM
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First decide whether you are going to develop compiler or interpreter.
A compiler converts source language into some another language. For example, C compiler converts C program into a program in machine language. Interpretor simply executes the instruction without any conversion.

For designing compiler, I would like you to learn flex and yacc. It will simplify your work. Also, if you are converting it to machine language than go through the instruction-opcode table. This is mentioned in the spec of CPU for which you are designing the compiler. Also, depending on your OS, you will have to go through the format of executable file. For example, linux executable file will have machine lanuguage code written as per POSIX format.

Regarding interpreter, I don't know much about how to implement it. But interpreters are easier to implement and also helps in making your language OS independent.

You can refer to following post:
http://forums.devshed.com/other-programming-languages-139/how-does-an-interpreter-compiler-work-312483.html
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