26 lines
915 B
Plaintext
26 lines
915 B
Plaintext
;;;; debug.flan with the fields of Cell in a different order and nothing else
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;;;; changed. The program prints the same four lines; the struct is a different
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;;;; shape, and every member sits at a different offset.
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;;;;
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;;;; name at 0 (16), id at 16, alive at 20, 3 of padding, heat at 24 — so a
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;;;; DWARF offset table that is right for debug.flan is wrong for all four
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;;;; members here, which is what makes the pair a test rather than an
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;;;; observation.
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(defstruct Cell [name str id i32 alive bool heat f64])
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(defn tick [c (Ptr Cell) n i32] i32
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(let [bump (+ n 1)]
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(set (.heat c) (+ (.heat c) 1.5))
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(set (.id c) bump)
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bump))
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(defn main [] i32
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(let [c (Cell {.alive true .heat 3.25 .id 7 .name "grain"})]
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(let [r (tick (addr c) 41)]
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(print r) (println "")
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(print (.heat c)) (println "")
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(print (.id c)) (println "")
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(print (.name c)) (println "")
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0)))
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