mirror of
https://github.com/janet-lang/janet
synced 2024-12-01 04:19:55 +00:00
c55d93512b
buffer/blit is difficult to use, and while buffer/push is the easiet buffer manipulation function to use it only appends to the buffer. buffer/push-at lets users manipulate buffers at any index - useful for buffers used as an in-memory databases, for example.
49 lines
1.4 KiB
Plaintext
49 lines
1.4 KiB
Plaintext
# test *debug* flags
|
|
|
|
(import ./helper :prefix "" :exit true)
|
|
(start-suite 15)
|
|
|
|
(assert (deep= (in (disasm (defn a [] (def x 10) x)) :symbolmap)
|
|
@[[0 3 0 'a] [1 3 1 'x]])
|
|
"symbolslots when *debug* is true")
|
|
|
|
(defn a [arg]
|
|
(def x 10)
|
|
(do
|
|
(def y 20)
|
|
(def z 30)
|
|
(+ x y z)))
|
|
(def symbolslots (in (disasm a) :symbolslots))
|
|
(def f (asm (disasm a)))
|
|
(assert (deep= (in (disasm f) :symbolslots)
|
|
symbolslots)
|
|
"symbolslots survive disasm/asm")
|
|
|
|
(comment
|
|
(setdyn *debug* true)
|
|
(setdyn :pretty-format "%.40M")
|
|
(def f (fn [x] (fn [y] (+ x y))))
|
|
(assert (deep= (map last (in (disasm (f 10)) :symbolmap))
|
|
@['x 'y])
|
|
"symbolslots upvalues"))
|
|
|
|
(assert (deep= (in (disasm (defn a [arg]
|
|
(def x 10)
|
|
(do
|
|
(def y 20)
|
|
(def z 30)
|
|
(+ x y z)))) :symbolmap)
|
|
@[[0 7 0 'arg]
|
|
[0 7 1 'a]
|
|
[1 7 2 'x]
|
|
[2 7 3 'y]
|
|
[3 7 4 'z]])
|
|
"arg & inner symbolslots")
|
|
|
|
# buffer/push-at
|
|
(assert (deep= @"abc456" (buffer/push-at @"abc123" 3 "456")) "buffer/push-at 1")
|
|
(assert (deep= @"abc456789" (buffer/push-at @"abc123" 3 "456789")) "buffer/push-at 2")
|
|
(assert (deep= @"abc423" (buffer/push-at @"abc123" 3 "4")) "buffer/push-at 3")
|
|
|
|
(end-suite)
|