application/octet-stream
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2.24 KB
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71 lines
; Nujel - Copyright (C) 2020-2021 - Benjamin Vincent Schulenburg
; This project uses the MIT license, a copy should be included under /LICENSE
;; Introspection and procedures returning info about the runtime
[defun display/error/wrap [i text]
[cond [[== i 0] [ansi-red text]]
[[== i 1] [string text]]
[[== i 2] [ansi-yellow [str/write text]]]
[[== i 3] [describe/closure text]]
[#t text]
]
]
[defun display/error/iter [error i]
[if error
[cons [display/error/wrap i [car error]]
[display/error/iter [cdr error] [+ 1 i]]]
[cons "" #nil]]
]
[defun display/error [error]
"Display ERROR in a nice, human readable way"
[display [join [display/error/iter error 0] "\r\n"]]
]
[defun describe/thing [o]
"Describe a specific value O"
[def doc [closure o]]
[cat [str/write [doc :arguments]] " - " [doc :documentation]]
]
[defun describe/string [a]
"Descibe whatever value string A resolves to"
[describe/thing [resolve [str->sym a]]]
]
[defun describe [fun] "Describe FUN, if there is documentation available"
[if [string? fun]
[describe/string fun]
[describe/thing fun]]
]
[defun mem []
"Return some pretty printed memory usage information"
[def info [memory-info]]
[cat [ansi-white "Memory Info"] "\n"
[ansi-green "Values: "] [getf info :value] "\n"
[ansi-blue "Closures: "] [getf info :closure] "\n"
[ansi-red "Arrays: "] [getf info :array] "\n"
[ansi-yellow "STrings: "] [getf info :string] "\n"
[ansi-pink "Symbols: "] [getf info :symbol] "\n"
ansi-reset
]
]
[defun symbol-table [off len environment]
"Return a list of LEN symbols defined in ENVIRONMENT starting at OFF"
[when-not environment [set! environment root-closure]]
[when-not off [set! off 0]]
[when-not len [set! len 9999999]]
[sublist [environment [symbol-table*]] off [+ off len] #nil]
]
[def gensym/counter 0]
[defun gensym []
[set! gensym/counter [+ 1 gensym/counter]]
[str->sym ["ΓεnΣym-" gensym/counter]]
]
[def root-closure [current-closure]]
