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#!/usr/bin/env dbqn
# Process BQN runtime
impl ← •LNS •path∾"r.bqn"
chrs←⟨
"+-×÷⋆√⌊⌈|¬∧∨<>≠=≤≥≡≢⊣⊢⥊∾≍↑↓↕⌽⍉/⍋⍒⊏⊑⊐⊒∊⍷⊔!"
"˜˘¨⌜⁼´˝`"
"∘○⊸⟜⌾⊘◶⎉⚇⍟"
⟩
nc ← ≠¨chrs
chr ← ∾chrs
itr ← 0⥊˜≠chr
init ← " "⊸∾¨(/⟜"_"¨nc/0‿1‿1)∾¨(nc/"FMD")∾¨(nc+´⊸↑⥊"ABC"∾⌜•a)
post ← ∾⟜" "¨/⟜"_"¨nc/0‿0‿1
names ← init∾¨(•UCS 48)∾¨post
Inc ← {
i←⊑chr⊐𝕩
n←0 ⋄ itr↩{n↩1+𝕩}⌾(i⊑⊢)itr
names↩((i⊑init)∾(•UCS 48+n)∾i⊑post)⌾(i⊑⊢)names
}
# Required functionality passed in as an argument
pnam ← ⟨"IsArray","Type","Log","GroupLen","GroupOrd"⟩∾names⊏˜chr⊐"!+-×÷⋆⌊=≤≢⥊⊑↕⌜`"
E_isdef ← (3≤≠)◶⟨0,∧´⟨chr," ","←↩"⟩∊˜¨3⊸↑⟩
E_proc ← {
l←≠chr
q←≠`𝕩∊"""'" ⋄ f←¬∨`q¬⊸∧𝕩='#'
∾ (((l×f/q)+chr⊸⊐) (≥⟜l)◶⟨⊑⟜names,⥊∘⊢⟩¨ ⊢) f/𝕩
}
E_redef ← { # handles [fmd] [←↩]
tail ← E_proc 3↓𝕩 # must use old def
Inc ⊑𝕩
(E_proc 1↑𝕩) ∾ "←" ∾ tail
}
ref ← ∾ ∾⟜(•UCS 10)¨ ∾⟨
⟨"{"⟩
⟨"←𝕩"∾˜"⟨"∾"⟩"∾˜1↓∾","⊸∾¨pnam⟩
E_isdef◶E_proc‿E_redef¨ impl∾<"⟨"∾"⟩"∾˜1↓⥊","⊸∾˘∾chrs
⟨"}"⟩
⟩
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