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author | Darren Bane <darren.bane@gmail.com> | 2020-05-11 01:15:06 +0100 |
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committer | Darren Bane <darren.bane@gmail.com> | 2020-05-11 01:15:06 +0100 |
commit | c066ab2a55a069802009568a051673b3505503d4 (patch) | |
tree | 3cf0613bb334461c1f39f55a78a4ff79d3fb971f /eval.lsp | |
parent | 5eba13b70414e1a40ef2418978082c6e4ac37c19 (diff) | |
download | lsp-c066ab2a55a069802009568a051673b3505503d4.tar.gz |
Lots of unfinished stuff
Diffstat (limited to 'eval.lsp')
-rw-r--r-- | eval.lsp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/eval.lsp b/eval.lsp new file mode 100644 index 0000000..60a19c0 --- /dev/null +++ b/eval.lsp @@ -0,0 +1,23 @@ +(defclass <value> () () (:abstractp t)) +(defclass <v-int> (<value>) ((int :accessor int))) +(defclass <v-str> (<value>) ((str :accessor str))) +(defclass <v-bool> (<value>) ((bool :accessor bool))) + +(defclass <environment> () ((env :accessor env))) + +(defun lookup-index (tprog num-line) + (block result-lookup-index + (for ((i 0 (+ i 1))) + ((>= i (length tprog))) + (let ((num-i (num (elt tprog i)))) + (if (= num-i num-line) + (return-from result-lookup-index i) + (if (> num-i num-line) + (return-from result-lookup-index -1))))) + -1)) + +(defun assemble (prog) + (let ((tprog (apply #'vector prog))) + (for ((i 0 (+ i 1))) + ((>= i (length tprog))) + ()))) |