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This commit is contained in:
Keisuke Nishida 2001-04-19 05:59:09 +00:00
parent f21dfea659
commit 24aa2715f6
4 changed files with 24 additions and 25 deletions
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7
module/system/repl/command.scm
View file

@ -171,10 +171,9 @@ List/show/set options."
(repl-option-set! repl key val)
(case key
((trace)
(let ((opts (repl-option-ref repl 'trace-options)))
(if val
(apply vm-trace-on repl.env.vm opts)
(vm-trace-off repl.env.vm))))))))
(if val
(apply vm-trace-on repl.env.vm val)
(vm-trace-off repl.env.vm)))))))
(define (quit repl)
"quit

3
module/system/repl/common.scm
View file

@ -35,8 +35,7 @@
(define-vm-class <repl> () env options tm-stats gc-stats vm-stats)
(define repl-default-options
'((trace . #f)
(trace-options . (:s))))
'((trace . #f)))
(define-public (make-repl lang)
(let ((cenv (make-cenv :vm (the-vm)

25
src/vm_engine.h
View file

@ -287,15 +287,29 @@ do { \
#define NEW_FRAME() \
{ \
int i; \
SCM ra = SCM_VM_MAKE_BYTE_ADDRESS (ip); \
SCM dl = SCM_VM_MAKE_STACK_ADDRESS (fp); \
SCM *p = sp + 1; \
SCM *q = p + bp->nlocs; \
\
/* New pointers */ \
ip = bp->base; \
fp = sp - bp->nargs + 1; \
sp = sp + bp->nlocs + 3; \
fp = p - bp->nargs; \
sp = q + 2; \
CHECK_OVERFLOW (); \
sp[0] = ra; \
sp[-1] = dl; \
sp[-2] = external; \
\
/* Init local variables */ \
for (; p < q; p++) \
*p = SCM_UNDEFINED; \
\
/* Create external variables */ \
external = bp->external; \
for (i = 0; i < bp->nexts; i++) \
CONS (external, SCM_UNDEFINED, external); \
p[0] = external; \
p[1] = dl; \
p[2] = ra; \
}
#define FREE_FRAME() \
@ -304,7 +318,6 @@ do { \
sp = fp - 2; \
ip = SCM_VM_BYTE_ADDRESS (p[2]); \
fp = SCM_VM_STACK_ADDRESS (p[1]); \
external = p[0]; \
}
/*

14
src/vm_system.c
View file

@ -337,24 +337,11 @@ VM_DEFINE_INSTRUCTION (call, "call", 1, -1, 1)
*/
if (SCM_PROGRAM_P (x))
{
int i, last;
program = x;
vm_call_program:
CACHE_PROGRAM ();
INIT_ARGS ();
NEW_FRAME ();
/* Init local variables */
last = bp->nargs + bp->nlocs;
for (i = bp->nargs; i < last; i++)
LOCAL_SET (i, SCM_UNDEFINED);
/* Create external variables */
external = bp->external;
for (i = 0; i < bp->nexts; i++)
CONS (external, SCM_UNDEFINED, external);
ENTER_HOOK ();
APPLY_HOOK ();
NEXT;
@ -501,6 +488,7 @@ VM_DEFINE_INSTRUCTION (return, "return", 0, 0, 1)
FREE_FRAME ();
/* Restore the last program */
external = fp[bp->nargs + bp->nlocs];
program = SCM_VM_FRAME_PROGRAM (fp);
CACHE_PROGRAM ();
PUSH (ret);