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Are There On-Ram Code Compilers?

Started by Prozak Nov 25, 2003 at 6:15 PM 1 replies 400+ views

Original Post

Nov 25, 2003 at 6:15 PM

Ok, i would have some script code, that would interact with my "real" c++ code. Instead of having it interpreted can it be compiled and converted to assembly code in memory? Does any package do this?

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NickB

Nov 25, 2003 at 6:44 PM

There are various packages that implement scripting languages, generally you need to provide objects to allow the scripts to interact with your ''conventional'' code. Your options are roughly:

a) Use the MS ActiveScripting COM interfaces (limits you to the windows platform, implements VBScript & JScript out of the box, there is certainly a Perl interpreter (ActivePerl) and there are others)

b) Use a dedicated script-engine library (SpiderMonkey implements &#106avascript, there are others implementing other languages {however I can''t remember any names atm})

c) Write your own script compiler/vm code (tools that will help are such things as ANTLR (the traditional tools many prefer are YACC & BISON) which help lexing & parsing the script text

Extrarius

Nov 25, 2003 at 6:44 PM

Usually, a language designed for scripting is used for scripts, such as vbscript, or lua. When those languages don''t fit, the next option is usually a custom scripting language. If you want to try the latter and still want to compile to machine code, there are some classes that do asm->machine code conversion on flipcode''s code of the week archive.

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