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Emit strings with char/byte lengths

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This commit is contained in:
Justin Ethier 2017-11-06 18:57:56 +00:00
parent 42507606a5
commit cfdec73d78
1 changed files with 13 additions and 1 deletions
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14
scheme/cyclone/cgen.sld
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@ -521,7 +521,15 @@
(string-append "&" cvar-name) ; Code is just the variable name
(list ; Allocate integer on the C stack
(string-append
"make_string(" cvar-name ", " (->cstr exp) ");")))))
"make_utf8_string_with_len("
cvar-name
", "
(->cstr exp)
", "
(number->string (string-byte-length exp))
", "
(number->string (string-length exp))
");")))))
;TODO: not good enough, need to store new symbols in a table so they can
;be inserted into the C program
((symbol? exp)
@ -536,6 +544,10 @@
(define (->cstr str)
(string-append "\"" (cstr:escape-chars str) "\""))
(define-c string-byte-length
"(void *data, int argc, closure _, object k, object s)"
" return_closcall1(data, k, Cyc_string_byte_length(data, s)); ")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Primitives