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patch 8.2.1641: Vim9: cannot use 0 or 1 where a bool is expected

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Problem:    Vim9: cannot use 0 or 1 where a bool is expected.
Solution:   Allow using 0 and 1 for a bool type. (closes #6903)
This commit is contained in:
Bram Moolenaar
2020-09-09 14:55:31 +02:00
parent f842cd9e28
commit 29a86ffee7
6 changed files with 27 additions and 1 deletions
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13
src/vim9compile.c
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@@ -751,12 +751,25 @@ need_type(
generate_PUSHNR(cctx_T *cctx, varnumber_T number)
{
isn_T *isn;
garray_T *stack = &cctx->ctx_type_stack;
RETURN_OK_IF_SKIP(cctx);
if ((isn = generate_instr_type(cctx, ISN_PUSHNR, &t_number)) == NULL)
return FAIL;
isn->isn_arg.number = number;
if (number == 0 || number == 1)
{
type_T *type = alloc_type(cctx->ctx_type_list);
// A 0 or 1 number can also be used as a bool.
if (type != NULL)
{
type->tt_type = VAR_NUMBER;
type->tt_flags = TTFLAG_BOOL_OK;
((type_T **)stack->ga_data)[stack->ga_len - 1] = type;
}
}
return OK;
}