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Not necessarily. Some grammars can be parsed with simpler code than others, but optimizations can make a compiler larger. Also of note is that Turbo Pascal was written by hand in assembly language, and the executable wasn't likely to have been linked with any libraries.

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Indeed TP did not have any linking step. I still recall trying to fruitlessly find "Link" on the menu for quite some time until it hit me -- oh, no linking needed. But TP did include a run-time with each of the generated executable. This run-time was part of the compiler and it was approximately 10K (from memory, so I could be wrong). That makes the compiler about 22Kbytes worth of code, which is even more impressive.

I wasn't aware that the runtime was included in the executable. Oh, the things we did in the DOS days!

Interesting, I didn't know this but Turbo Pascal was written by Anders Hejlsberg (of Delphi and C# fame).

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