If anyone wants to check their project, pasting the code into smlnj is the best way, but if you’re on a linux machine you can run my compiled binary. It has a debug option that will print out the expression tree on every iteration of eval (type “:d” into the interpreter to toggle)

Changes to get interpreter to work on MLton:

  1. Run MLton versions of ml-lex and ml-yacc (smlnj uses Unsafe structure)
  2. Change some matches in typecheck.sml
  3. Add mlb, and main SML file that just runs the interpreter

The following tar.gz file has the MLton modifications and my compiled interpreter:

http://www.cs.purdue.edu/homes/schatzp/cs502/cs502-interp_mltonized_2006-08-26.zip

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