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mescc: Support assignment test.

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* module/language/c99/compiler.mes (test->jump->info): Handle assignment.
* doc/examples/t.c (test): Test it.
This commit is contained in:
Jan Nieuwenhuizen 2017-03-18 08:17:18 +01:00
parent b22eee36df
commit 4c59078002
2 changed files with 21 additions and 24 deletions
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28
module/language/c99/compiler.mes
View file

@ -1014,7 +1014,7 @@ _)))))
)))
(define (test->jump->info info)
(define (jump type)
(define (jump type . test)
(lambda (o)
(let* ((text (.text info))
(info (clone info #:text '()))
@ -1025,6 +1025,7 @@ _)))))
(clone info #:text
(append text
(.text info)
(if (null? test) '() (car test))
(jump-text body-length)))))))
(lambda (o)
(pmatch o
@ -1074,18 +1075,19 @@ _)))))
jump-text
(.text (b-jump body-length)))))))
((array-ref . _) ((jump (lambda (n)
(append
(i386:accu-zero?)
(i386:jump-byte-z n)))) o))
((de-ref _) ((jump (lambda (n)
(append
(i386:accu-zero?)
(i386:jump-byte-z n)))) o))
(_ ((jump (lambda (n)
(append
(i386:accu-zero?)
(i386:Xjump-z n)))) o)))))
((array-ref . _) ((jump i386:jump-byte-z
(list (lambda (f g ta t d) (i386:accu-zero?)))) o))
((de-ref _) ((jump i386:jump-byte-z
(list (lambda (f g ta t d) (i386:accu-zero?)))) o))
((assn-expr (p-expr (ident ,name)) ,op ,expr)
((jump i386:Xjump-z
(append
((ident->accu info) name)
(list (lambda (f g ta t d) (i386:accu-zero?))))) o))
(_ ((jump i386:Xjump-z (list (lambda (f g ta t d) (i386:accu-zero?)))) o)))))
(define (cstring->number s)
(cond ((string-prefix? "0x" s) (string->number (string-drop s 2) 16))

17
scaffold/t.c
View file

@ -528,6 +528,12 @@ test (char *p)
i -= 2;
if (i != 0) return 1;
puts ("t: if (f = 0) ?\n");
if (f = 0) return 1;
puts ("t: if (!(t = 1)) ?\n");
if (!(t = 1)) return 1;
puts ("t: (one == 1) ?\n");
(one == 1) ? 1 : exit (1);
@ -728,17 +734,6 @@ test (char *p)
}
#endif
int
init ()
{
// g_cells[0].cdr = 0;
// g_cells[1].cdr = 1;
g_functions[0] = g_foo;
g_functions[1] = g_bar;
return 0;
}
int
main (int argc, char *argv[])
{