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fixed a bug in handling a reference value in hawk::call()

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This commit is contained in:
hyung-hwan 2020-04-14 11:45:52 +00:00
parent c7961f84d2
commit ef9db73f19
3 changed files with 25 additions and 20 deletions
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14
hawk/lib/mod-hawk.c
View File

@ -56,15 +56,27 @@ static hawk_oow_t push_args_from_stack (hawk_rtx_t* rtx, hawk_nde_fncall_t* call
org_stack_base = rtx->stack_base;
for (i = pasf->start_index, j = 0; i <= pasf->end_index; i++, j++)
{
hawk_ooch_t spec;
rtx->stack_base = pasf->stack_base;
v = HAWK_RTX_STACK_ARG(rtx, i);
rtx->stack_base = org_stack_base;
if (j < spec_len && pasf->fun->argspec[j] == 'r' && HAWK_RTX_GETVALTYPE(rtx, v) != HAWK_VAL_REF)
/* if not sufficient number of spec characters given, take the last value and use it */
spec = (spec_len <= 0)? '\0': pasf->fun->argspec[((j < spec_len)? j: spec_len - 1)];
if (HAWK_RTX_GETVALTYPE(rtx, v) == HAWK_VAL_REF)
{
v = hawk_rtx_getrefval(rtx, (hawk_val_ref_t*)v);
}
else
{
if (spec == 'r')
{
hawk_rtx_seterrnum (rtx, &call->loc, HAWK_ENOTREF);
return (hawk_oow_t)-1;
}
}
HAWK_RTX_STACK_PUSH (rtx, v);
hawk_rtx_refupval (rtx, v);

16
hawk/lib/run.c
View File

@ -6377,20 +6377,8 @@ static hawk_oow_t push_arg_from_nde (hawk_rtx_t* rtx, hawk_nde_fncall_t* call, v
{
hawk_ooch_t spec;
if (spec_len > 0)
{
if (nargs >= spec_len)
{
/* not sufficient number of spec characters given.
* take the last value and use it */
spec = arg_spec[spec_len - 1];
}
else
{
spec = arg_spec[nargs];
}
}
else spec = '\0';
/* if not sufficient number of spec characters given, take the last value and use it */
spec = (spec_len <= 0)? '\0': arg_spec[((nargs < spec_len)? nargs: spec_len - 1)];
switch (spec)
{

11
hawk/t/h-001.hawk
View File

@ -1,10 +1,11 @@
@pragma entry main
function ensure (a, b, desc)
{
if (a != b)
{
print "FAILURE", desc;
print "FAILURE in", desc;
exit (-1);
}
}
@ -18,6 +19,7 @@ function call_by_ref_1(&a, b, &c)
function call_by_ref_2(a, &b)
{
b[1] = b[1] * a;
b[2] = "perfect";
return a;
}
@ -27,12 +29,13 @@ function main()
x = 20;
y = 90;
r = call_by_ref_1(x, y, z);
ensure (r, 1800);
ensure (r, 1800, SCRIPTNAME);
ensure (x, 20);
ensure (y, 90);
ensure (z, "hello, world");
## TODO: add a new special word, @FILENAME, @FILELINE, @LINE <--- which are understood by the parser and swapped to the actual value
## SCRIPTNAME doesn't tell the main file.
{
@local b;
@ -53,7 +56,9 @@ function main()
b[1] = 1;
r = hawk::call("call_by_ref_2", 99, b);
ensure (r, 99);
ensure (b[1], 99);
ensure (length(b), 2, SCRIPTNAME);
ensure (b[1], 99, SCRIPTNAME);
ensure (b[2], "perfect", SCRIPTNAME);
}
print "SUCCESS"