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Overview
| Comment: | Improved return value marshalling in CHICKEN callback wrapper |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
ab22068543c55fa2fb3f13ea5836d025 |
| User & Date: | murphy 2015-08-06 15:17:38.263 |
Context
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2015-08-07
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| 16:01 | Flush the main loop after widget destruction before clearing the registry check-in: d42d57606e user: murphy tags: trunk | |
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2015-08-06
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| 15:17 | Improved return value marshalling in CHICKEN callback wrapper check-in: ab22068543 user: murphy tags: trunk | |
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2015-08-05
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| 16:05 | Exception handlers and dynamic exit traps for CHICKEN callback trampolines check-in: 59297e2f3f user: murphy tags: trunk | |
Changes
Changes to chicken/iup-base.scm.
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314 315 316 317 318 319 320 | (define frame-return/pointer! (foreign-lambda* void ([c-pointer frame] [c-pointer ret]) "va_return_ptr((va_alist)frame, void *, ret);")) (define frame-return/handle! (foreign-lambda* void ([c-pointer frame] [ihandle ret]) "va_return_ptr((va_alist)frame, Ihandle *, ret);")) (call-with-current-continuation (lambda (return) | | | 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 | (define frame-return/pointer! (foreign-lambda* void ([c-pointer frame] [c-pointer ret]) "va_return_ptr((va_alist)frame, void *, ret);")) (define frame-return/handle! (foreign-lambda* void ([c-pointer frame] [ihandle ret]) "va_return_ptr((va_alist)frame, Ihandle *, ret);")) (call-with-current-continuation (lambda (return) (let ([sig "i"] [ret? #f]) (dynamic-wind void (lambda () (let* ([data (registry-ref (pointer->address cid))] [proc (cdr data)]) (set! sig (car data)) (case (string-ref sig 0) |
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338 339 340 341 342 343 344 | [(#\f) (frame-arg/float! frame)] [(#\d) (frame-arg/double! frame)] [(#\s) (frame-arg/string! frame)] [(#\v) (frame-arg/pointer! frame)] [(#\h) (frame-arg/handle! frame)]))]) (handle-exceptions exn (print-error-message exn (current-error-port) "Error: in callback") | | < < < | | | | | | | > > > > > > > > > | 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 | [(#\f) (frame-arg/float! frame)] [(#\d) (frame-arg/double! frame)] [(#\s) (frame-arg/string! frame)] [(#\v) (frame-arg/pointer! frame)] [(#\h) (frame-arg/handle! frame)]))]) (handle-exceptions exn (print-error-message exn (current-error-port) "Error: in callback") (let ([ret (apply proc args)]) (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame ret)] [(#\i) (frame-return/status! frame ret)] [(#\f) (frame-return/float! frame ret)] [(#\d) (frame-return/double! frame ret)] [(#\v) (frame-return/pointer! frame ret)] [(#\h) (frame-return/handle! frame ret)]) (set! ret? #t)))))) (lambda () (unless ret? (case (string-ref sig 0) [(#\b) (frame-return/ubyte! frame 0)] [(#\i) (frame-return/status! frame 'continue)] [(#\f) (frame-return/float! frame 0.0)] [(#\d) (frame-return/double! frame 0.0)] [(#\v #\h) (frame-return/pointer! frame #f)])) (return (void)))))))) (define-values (callback-set! callback) (letrec ([signature/raw (foreign-lambda* c-string ([nonnull-ihandle handle] [iname/upcase name]) "C_return(iupClassCallbackGetFormat(handle->iclass, name));")] [set/pointer! |
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