jak-project/goal_src/kernel/gstring.gc
water111 e01e065170
[gcommon decomp] compiler and decompiler fixes (#239)
* wip

* decompile file-io

* a

* fix
2021-02-07 18:21:00 -05:00

118 lines
2.9 KiB
Common Lisp

;;-*-Lisp-*-
(in-package goal)
;; name: gstring.gc
;; name in dgo: gstring
;; dgos: KERNEL
;; Note on strings:
;; the allocated length does not include an extra byte on the end for the null terminator!
(defmethod length string ((obj string))
; Get the length of a string. Like strlen
(let ((str-ptr (-> obj data)))
(while (!= 0 (-> str-ptr 0))
(set! str-ptr (the (pointer uint8) (&+ str-ptr 1)))
)
(- (the int str-ptr) (the int (-> obj data)))
)
)
(defmethod asize-of string ((obj string))
;; get the size in bytes of a string.
;; BUG - string should probably be (-> obj type), not that it matters, I don't think
;; anybody makes a subclass of string.
(+ (-> obj allocated-length) 1 (-> string size))
)
(defun copy-string<-string ((dst string) (src string))
"Copy data from one string to another, like strcpy"
(let ((dst-ptr (-> dst data))
(src-ptr (-> src data))
)
(while (!= 0 (-> src-ptr))
(set! (-> dst-ptr) (-> src-ptr))
(&+! dst-ptr 1)
(&+! src-ptr 1)
)
)
dst
)
(defmethod new string ((allocation symbol) (type-to-make type) (size int) (other string))
"Create a new string of the given size. If other is not #f, copy data from it."
(cond
(other
(let* ((desired-size (max (length other) size))
(new-obj (object-new (+ desired-size 1 (-> type-to-make size))))
)
(set! (-> new-obj allocated-length) size)
(copy-string<-string new-obj other)
new-obj
)
)
(else
(let ((new-obj (object-new (+ 1 size (-> type-to-make size)))))
(set! (-> new-obj allocated-length) size)
new-obj
)
)
)
)
;; string=
;; string-charp=
;; name=
;; copyn-string<-charp
;; string<-charp
(defun charp<-string ((dst (pointer uint8)) (src-string string))
"Copy a GOAL string into a character array."
(let ((src (-> src-string data)))
(while (!= 0 (-> src))
(set! (-> dst) (-> src))
(&+! dst 1)
(&+! src 1)
)
(set! (-> dst) 0)
0
)
)
;; copy-charp<-charp
;; cat-string<-string
;; catn-string<-charp
;; cat-string<-string_to_charp
;; append-character-to-string
;; charp-basename
(defun clear ((a0-0 string))
(set! (-> a0-0 data 0) 0) a0-0
)
;; string<?
;; string>?
;; string<=?
;; string>=?
(define *string-tmp-str* (new 'global 'string 128 (the string #f)))
;; string-skip-to-char
;; string-cat-to-last-char
;; string-skip-whitespace
;; string-suck-up!
;; string-strip-leading-whitespace
;; string-strip-trailing-whitespace
;; string-strip-whitespace
;; string-get-arg!!
;; string->int
;; string->float
;; string-get-int32!!
;; string-get-float!!
;; string-get-flag!!
(define *debug-draw-pauseable* #f)
(define *stdcon0* (new 'global 'string 16384 (the string #f)))
(define *stdcon1* (new 'global 'string 16384 (the string #f)))
(define *stdcon* *stdcon0*)
(define *temp-string* (new 'global 'string 256 (the string #f)))