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;;; Nujel - Copyright (C) 2020-2021 - Benjamin Vincent Schulenburg
;;; This project uses the MIT license, a copy should be included under /LICENSE
;;;
;;; Initializes the runtime, parses command line arguments and chooses which
;;; module to run. Essential for a standalone Nujel version, but not needed in
;;; embedded mode.
[def init/executable-name "nujel"]
[def init/args #nil]
[def init/options @[]]
[def init/option-map @[]]
[def init [let*
[def init/parse-args/eval-next-module #f]
[def init/parse-args/eval-next #f]
[def init/parse-args/run-repl #t]
[tree/set! init/option-map 'm
[fn [option]
[set! init/parse-args/eval-next-module #t]]]
[tree/set! init/option-map 'h
[fn [option]
[module/main :help #nil]
[exit 0]]]
[tree/set! init/option-map 'no-color
[fn [option]
[import [disable!] :ansi]
[set! disable! #t]]]
[tree/set! init/option-map 'color
[fn [option]
[import [disable!] :ansi]
[set! disable! #f]]]
[tree/set! init/option-map 'x
[fn [option]
[set! init/parse-args/eval-next #t]
[set! init/parse-args/run-repl #f]]]
[tree/set! init/option-map :default
[fn [option]
[tree/set! init/options option #t]]]
[defn init/parse-option [option]
[[or [ref init/option-map option]
[ref init/option-map :default]] option]]
[defn init/parse-options [options]
[if [= [buffer/ref options 0] #\-]
[init/parse-option [string->keyword [cut options 1]]]
[for-each [map [split options ""] string->symbol] init/parse-option]]]
[defn init/parse-arg [arg args]
[cond [init/parse-args/eval-next [try print/error
[eval-in root-closure [cons do [read arg]]]
[set! init/parse-args/eval-next #f]]]
[init/parse-args/eval-next-module [try [fn [e]
[print/error e]
[exit 1]]
[when [= [buffer/ref arg 0] #\:]
[set! arg [string/cut arg 1]]]
[module/main [string->keyword arg] [cdr args]]
[exit 0]]]
[[= [buffer/ref arg 0] #\-] [init/parse-options [string/cut arg 1]]]
[#t [try [fn [e]
[print/error e]
[exit 1]]
[file/eval-module arg [cdr args]]
[exit 0]]
[set! init/parse-args/run-repl #f]]]]
[defn init/parse-args [args]
[if args
[do [init/parse-arg [car args] args]
[init/parse-args [cdr args]]]
init/parse-args/run-repl]]
[defn init/bin [args]
[try print/error
[set! init/executable-name [car args]]
[when [init/parse-args [cdr args]]
[module/main :repl #nil]]]]
[defn init args
[set! init/args args]
[if [= System/Architecture 'wasm]
[init/wasm args]
[init/bin args]]]]]
