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patch 8.2.3310: Vim9: unpack assignment does not mention source of type error

Problem:    Vim9: unpack assignment does not mention source of type error.
Solution:   Mention the argument number. (closes #8719)
This commit is contained in:
Bram Moolenaar
2021-08-07 16:30:42 +02:00
parent fbeefb1b87
commit 4270d8b762
4 changed files with 63 additions and 28 deletions

View File

@@ -1039,6 +1039,42 @@ use_typecheck(type_T *actual, type_T *expected)
* If "actual_is_const" is TRUE then the type won't change at runtime, do not
* generate a TYPECHECK.
*/
static int
need_type_where(
type_T *actual,
type_T *expected,
int offset,
where_T where,
cctx_T *cctx,
int silent,
int actual_is_const)
{
if (expected == &t_bool && actual != &t_bool
&& (actual->tt_flags & TTFLAG_BOOL_OK))
{
// Using "0", "1" or the result of an expression with "&&" or "||" as a
// boolean is OK but requires a conversion.
generate_2BOOL(cctx, FALSE, offset);
return OK;
}
if (check_type(expected, actual, FALSE, where) == OK)
return OK;
// If the actual type can be the expected type add a runtime check.
// If it's a constant a runtime check makes no sense.
if ((!actual_is_const || actual == &t_any)
&& use_typecheck(actual, expected))
{
generate_TYPECHECK(cctx, expected, offset, where.wt_index);
return OK;
}
if (!silent)
type_mismatch_where(expected, actual, where);
return FAIL;
}
int
need_type(
type_T *actual,
@@ -1051,31 +1087,9 @@ need_type(
{
where_T where = WHERE_INIT;
if (expected == &t_bool && actual != &t_bool
&& (actual->tt_flags & TTFLAG_BOOL_OK))
{
// Using "0", "1" or the result of an expression with "&&" or "||" as a
// boolean is OK but requires a conversion.
generate_2BOOL(cctx, FALSE, offset);
return OK;
}
where.wt_index = arg_idx;
if (check_type(expected, actual, FALSE, where) == OK)
return OK;
// If the actual type can be the expected type add a runtime check.
// If it's a constant a runtime check makes no sense.
if ((!actual_is_const || actual == &t_any)
&& use_typecheck(actual, expected))
{
generate_TYPECHECK(cctx, expected, offset, arg_idx);
return OK;
}
if (!silent)
arg_type_mismatch(expected, actual, arg_idx);
return FAIL;
return need_type_where(actual, expected, offset, where,
cctx, silent, actual_is_const);
}
/*
@@ -7004,14 +7018,17 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
else if (*op == '=')
{
type_T *use_type = lhs.lhs_lvar->lv_type;
where_T where = WHERE_INIT;
// Without operator check type here, otherwise below.
// Use the line number of the assignment.
SOURCING_LNUM = start_lnum;
where.wt_index = var_count > 0 ? var_idx + 1 : 0;
where.wt_variable = var_count > 0;
if (lhs.lhs_has_index)
use_type = lhs.lhs_member_type;
if (need_type(rhs_type, use_type, -1, 0, cctx,
FALSE, is_const) == FAIL)
if (need_type_where(rhs_type, use_type, -1, where,
cctx, FALSE, is_const) == FAIL)
goto theend;
}
}