probablycorey/shrimp
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

bun run repl #2

Merged
probablycorey merged 6 commits from repl into main 2025-10-26 00:24:45 +00:00
Conversation 0 Commits 6 Files Changed 5 +388 -29
defunkt commented 2025-10-25 17:18:13 +00:00
Owner
Copy Link

Mostly AI generated, but I helped.

Try it out:

bun run repl

This changes the way the compiler works slightly (and also required some changes to Reef):

  • Making a REPL for a regular interpreter is easy because you just keep evaluating each new line in the context of the previous lines
  • However, our interpreter is actually a compiler. So we needed a way to incrementally add new instructions to our program on the fly.
  • Reef was designed to run entire, frozen programs.
  • Specifically, Reef expects the program to end with HALT and then define functions after that, using labels.
  • However, this makes building a REPL difficult.
  • As of this PR, we define the function body inline with the program (using a label) and just JUMP over it.
  • This makes the REPL happy.
Mostly AI generated, but I helped. Try it out: bun run repl This changes the way the compiler works slightly (and also required some changes to Reef): - Making a REPL for a regular interpreter is easy because you just keep evaluating each new line in the context of the previous lines - However, our interpreter is actually a compiler. So we needed a way to incrementally add new instructions to our program on the fly. - Reef was designed to run entire, frozen programs. - Specifically, Reef expects the program to end with `HALT` and then define functions after that, using labels. - However, this makes building a REPL difficult. - As of this PR, we define the function body inline with the program (using a label) and just `JUMP` over it. - This makes the REPL happy.
defunkt added 1 commit 2025-10-25 17:18:13 +00:00
defunkt force-pushed repl from 7d044b28a4 to 831966323a 2025-10-25 17:20:56 +00:00 Compare
defunkt force-pushed repl from 831966323a to 5988e75939 2025-10-25 17:21:03 +00:00 Compare
defunkt added 1 commit 2025-10-25 17:26:24 +00:00
defunkt added 1 commit 2025-10-25 17:32:46 +00:00
defunkt added 2 commits 2025-10-25 17:43:05 +00:00
defunkt added 1 commit 2025-10-25 22:52:15 +00:00
probablycorey merged commit e3b941d5f2 into main 2025-10-26 00:24:45 +00:00
Sign in to join this conversation.
Reviewers
No reviewers
Labels
Clear labels
No items
No Label
Milestone
Clear milestone
No items
No Milestone
Projects
Clear projects
No project
Assignees
Clear assignees
No Assignees
1 Participants
Notifications
Due Date
The due date is invalid or out of range. Please use the format 'yyyy-mm-dd'.

No due date set.

Dependencies

No dependencies set.

Reference: probablycorey/shrimp#2
No description provided.
Delete Branch "repl"

Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?