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Diffstat (limited to 'todo.org')
| -rw-r--r-- | todo.org | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -37,6 +37,45 @@ constant potentially #+end_src which when referred to (by ~$print-1~) would insert the bytecode given inline. +** TODO Import another file +Say I have two "asm" files: /a.asm/ and /b.asm/. + +#+CAPTION: a.asm +#+begin_src asm + global main +main: + push.word 1 + push.word 1 + push.word 1 + sub.word + sub.word + call b-println + halt +#+end_src + +#+CAPTION: b.asm +#+begin_src asm +b-println: + print.word + push.byte '\n' + print.char + ret +#+end_src + +How would one assemble this? We've got two files, with /a.asm/ +depending on /b.asm/ for the symbol ~b-println~. It's obvious they +need to be assembled "together" to make something that could work. A +possible "correct" program would be having the file /b.asm/ completely +included into /a.asm/, such that compiling /a.asm/ would lead to +classical symbol resolution without much hassle. As a feature, this +would be best placed in the preprocessor as symbol resolution occurs +in the third stage of parsing (~process_presults~), whereas the +preprocessor is always the first stage. + +That would be a very simple way of solving the static vs dynamic +linking problem: just include the files you actually need. Even the +standard library would be fine and not require any additional work. +Let's see how this would work. * TODO Standard library :ASM:VM: I should start considering this and how a user may use it. Should it be an option in the VM and/or assembler binaries (i.e. a flag) or |