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41 lines
1.6 KiB
Plaintext
41 lines
1.6 KiB
Plaintext
(system-include "carp_io.h")
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(register-type FILE)
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(defmodule IO
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(doc println "prints a string ref to stdout, appends a newline.")
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(register println (Fn [(Ref String)] ()))
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(doc print "prints a string ref to stdout, does not append a newline.")
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(register print (Fn [(Ref String)] ()))
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(doc get-line "gets a line from stdin.")
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(register get-line (Fn [] String))
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(doc get-char "gets a character from stdin.")
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(register get-char (Fn [] Char) "getchar")
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(doc read-file "returns the contents of a file passed as argument as a string.")
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(register read-file (Fn [&String] String))
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(doc exit "exit the current program with a return code.")
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(register exit (Fn [Int] a))
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(register EOF Char)
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(doc EOF "the End-Of-File character as a literal.")
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(doc fopen "opens a file by name using a mode (one or multiple of [r]ead, [w]rite, and [a]ppend), returns a file pointer.")
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(register fopen (Fn [&String &String] (Ptr FILE)))
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(doc fclose "closes a file pointer.")
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(register fclose (Fn [(Ptr FILE)] ()))
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(doc fgetc "gets a character from a file pointer.")
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(register fgetc (Fn [(Ptr FILE)] Char))
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(doc fwrite "writes to a file pointer.")
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(register fwrite (Fn [a Int Int (Ptr FILE)] ()) "fwrite")
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(doc read->EOF "reads a file given by name until the End-Of-File character is reached.")
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(defn read->EOF [filename]
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(let [f (IO.fopen filename "rb")
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c (Char.from-int 0)
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r []]
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(do
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(while (do (set! c (IO.fgetc f))
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(/= c IO.EOF))
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(set! r (Array.push-back r c)))
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(IO.fclose f)
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(String.from-chars &r))))
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)
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