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optimized lib/run.c a bit

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This commit is contained in:
hyung-hwan 2020-03-17 15:30:56 +00:00
parent ddcdd3904e
commit cd4298499f
1 changed files with 52 additions and 57 deletions
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109
hawk/lib/run.c
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@ -205,12 +205,6 @@ static hawk_val_t* eval_getline (hawk_rtx_t* rtx, hawk_nde_t* nde);
static hawk_val_t* eval_print (hawk_rtx_t* rtx, hawk_nde_t* nde);
static hawk_val_t* eval_printf (hawk_rtx_t* rtx, hawk_nde_t* nde);
static int __raw_push (hawk_rtx_t* rtx, void* val);
#define __raw_pop(rtx) \
do { \
HAWK_ASSERT ((rtx)->stack_top > (rtx)->stack_base); \
(rtx)->stack_top--; \
} while (0)
static int read_record (hawk_rtx_t* rtx);
@ -1298,6 +1292,36 @@ oops:
return n;
}
static HAWK_INLINE int __raw_push (hawk_rtx_t* rtx, void* val)
{
if (rtx->stack_top >= rtx->stack_limit)
{
/*
void** tmp;
hawk_oow_t n;
n = rtx->stack_limit + RTX_STACK_INCREMENT;
tmp = (void**)hawk_rtx_reallocmem(rtx, rtx->stack, n * HAWK_SIZEOF(void*));
if (!tmp) return -1;
rtx->stack = tmp;
rtx->stack_limit = n;
*/
hawk_rtx_seterrfmt (rtx, HAWK_NULL, HAWK_ESTACK, HAWK_T("runtime stack full"));
return -1;
}
rtx->stack[rtx->stack_top++] = val;
return 0;
}
#define __raw_pop(rtx) \
do { \
HAWK_ASSERT ((rtx)->stack_top > (rtx)->stack_base); \
(rtx)->stack_top--; \
} while (0)
/*
* create global variables into the runtime stack
* each variable is initialized to nil or zero.
@ -1314,11 +1338,7 @@ static int prepare_globals (hawk_rtx_t* rtx)
while (ngbls > 0)
{
--ngbls;
if (__raw_push(rtx,hawk_val_nil) <= -1)
{
hawk_rtx_seterrnum (rtx, HAWK_NULL, HAWK_ENOMEM);
goto oops;
}
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1)) goto oops;
}
/* override NF to zero */
@ -1451,16 +1471,16 @@ static int enter_stack_frame (hawk_rtx_t* rtx)
saved_stack_top = rtx->stack_top;
/* push the current stack base */
if (__raw_push(rtx,(void*)rtx->stack_base) <= -1) goto oops;
if (HAWK_UNLIKELY(__raw_push(rtx,(void*)rtx->stack_base) <= -1)) goto oops;
/* push the current stack top before push the current stack base */
if (__raw_push(rtx,(void*)saved_stack_top) <= -1) goto oops;
if (HAWK_UNLIKELY(__raw_push(rtx,(void*)saved_stack_top) <= -1)) goto oops;
/* secure space for a return value */
if (__raw_push(rtx,hawk_val_nil) <= -1) goto oops;
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1)) goto oops;
/* secure space for RTX_STACK_NARGS */
if (__raw_push(rtx,hawk_val_nil) <= -1) goto oops;
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1)) goto oops;
/* let the stack top remembered be the base of a new stack frame */
rtx->stack_base = saved_stack_top;
@ -1471,7 +1491,6 @@ oops:
* it is ok to do so as the values pushed are
* nils and binary numbers. */
rtx->stack_top = saved_stack_top;
hawk_rtx_seterrnum (rtx, HAWK_NULL, HAWK_ENOMEM);
return -1;
}
@ -2081,7 +2100,7 @@ static HAWK_INLINE int run_block0 (hawk_rtx_t* rtx, hawk_nde_blk_t* nde)
while (nlcls > 0)
{
--nlcls;
if (__raw_push(rtx,hawk_val_nil) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1))
{
/* restore stack top */
rtx->stack_top = saved_stack_top;
@ -5994,35 +6013,35 @@ static hawk_val_t* __eval_call (
hawk_logfmt (hawk_rtx_gethawk(rtx), HAWK_T("setting up function stack frame top=%zd base=%zd\n"), (hawk_oow_t)rtx->stack_top, (hawk_oow_t)rtx->stack_base);
#endif
if (__raw_push(rtx,(void*)rtx->stack_base) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,(void*)rtx->stack_base) <= -1))
{
hawk_rtx_seterrnum (rtx, &nde->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &nde->loc);
return HAWK_NULL;
}
if (__raw_push(rtx,(void*)saved_stack_top) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,(void*)saved_stack_top) <= -1))
{
__raw_pop (rtx);
hawk_rtx_seterrnum (rtx, &nde->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &nde->loc);
return HAWK_NULL;
}
/* secure space for a return value. */
if (__raw_push(rtx,hawk_val_nil) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1))
{
__raw_pop (rtx);
__raw_pop (rtx);
hawk_rtx_seterrnum (rtx, &nde->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &nde->loc);
return HAWK_NULL;
}
/* secure space for nargs */
if (__raw_push(rtx,hawk_val_nil) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,hawk_val_nil) <= -1))
{
__raw_pop (rtx);
__raw_pop (rtx);
__raw_pop (rtx);
hawk_rtx_seterrnum (rtx, &nde->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &nde->loc);
return HAWK_NULL;
}
@ -6065,10 +6084,10 @@ static hawk_val_t* __eval_call (
while (nargs < fun->nargs)
{
/* push as many nils as the number of missing actual arguments */
if (__raw_push(rtx, hawk_val_nil) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx, hawk_val_nil) <= -1))
{
UNWIND_RTX_STACK (rtx, nargs);
hawk_rtx_seterrnum (rtx, &nde->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &nde->loc);
return HAWK_NULL;
}
@ -6250,13 +6269,13 @@ static hawk_oow_t push_arg_from_vals (hawk_rtx_t* rtx, hawk_nde_fncall_t* call,
return (hawk_oow_t)-1;
}
if (__raw_push(rtx, v) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx, v) <= -1))
{
hawk_rtx_refupval (rtx, v);
hawk_rtx_refdownval (rtx, v);
UNWIND_RTX_STACK_ARG (rtx, nargs);
hawk_rtx_seterrnum (rtx, &call->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &call->loc);
return (hawk_oow_t)-1;
}
@ -6264,7 +6283,7 @@ static hawk_oow_t push_arg_from_vals (hawk_rtx_t* rtx, hawk_nde_fncall_t* call,
}
else
{
if (__raw_push(rtx, pafv->args[nargs]) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx, pafv->args[nargs]) <= -1))
{
/* ugly - arg needs to be freed if it doesn't have
* any reference. but its reference has not been
@ -6275,7 +6294,7 @@ static hawk_oow_t push_arg_from_vals (hawk_rtx_t* rtx, hawk_nde_fncall_t* call,
hawk_rtx_refdownval (rtx, pafv->args[nargs]);
UNWIND_RTX_STACK_ARG (rtx, nargs);
hawk_rtx_seterrnum (rtx, &call->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &call->loc);
return (hawk_oow_t)-1;
}
@ -6343,7 +6362,7 @@ static hawk_oow_t push_arg_from_nde (hawk_rtx_t* rtx, hawk_nde_fncall_t* call, v
return (hawk_oow_t)-1;
}
if (__raw_push(rtx,v) <= -1)
if (HAWK_UNLIKELY(__raw_push(rtx,v) <= -1))
{
/* ugly - v needs to be freed if it doesn't have
* any reference. but its reference has not been
@ -6354,7 +6373,7 @@ static hawk_oow_t push_arg_from_nde (hawk_rtx_t* rtx, hawk_nde_fncall_t* call, v
hawk_rtx_refdownval (rtx, v);
UNWIND_RTX_STACK_ARG (rtx, nargs);
hawk_rtx_seterrnum (rtx, &call->loc, HAWK_ENOMEM);
ADJERR_LOC (rtx, &call->loc);
return (hawk_oow_t)-1;
}
@ -6986,30 +7005,6 @@ static hawk_val_t* eval_printf (hawk_rtx_t* run, hawk_nde_t* nde)
return hawk_rtx_makeintval(run, n);
}
static int __raw_push (hawk_rtx_t* rtx, void* val)
{
if (rtx->stack_top >= rtx->stack_limit)
{
/*
void** tmp;
hawk_oow_t n;
n = rtx->stack_limit + RTX_STACK_INCREMENT;
tmp = (void**)hawk_rtx_reallocmem(rtx, rtx->stack, n * HAWK_SIZEOF(void*));
if (!tmp) return -1;
rtx->stack = tmp;
rtx->stack_limit = n;
*/
hawk_rtx_seterrfmt (rtx, HAWK_NULL, HAWK_ESTACK, HAWK_T("runtime stack full"));
return -1;
}
rtx->stack[rtx->stack_top++] = val;
return 0;
}
static int read_record (hawk_rtx_t* rtx)
{
hawk_ooi_t n;