Ada Bootstrap compiler funding thanks to nlnet!

General
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I don’t know why that should be a huge problem: you already know how big the stack-frame-equivalent is, so you pop that amount off the stack, just as you would clean up the stack-frame for a normal compiler.

There’s several ways you can do it:

  1. Using a High Level Language as a Cross Assembler
  2. Target a VM
    1. P-Code is simple, but less well-known now;
    2. JVM is ubiquitous, making for a good cross-compile bootstrap platform;
    3. DOTNET is interesting, but more limited (there are implementations on non-MS OSes);
    4. Forth/SeedForth, very simple and small;
  3. LOLITA - A Low Level Intermediate Language for Ada+
    (This paper is the only ref to it, though, TTBOMK)
  4. Interpret/execute the IR directly.
    (This is technically what Graal/Truffle does, though the IR is essentially the AST.)