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patch 8.2.1244: Vim9: in lambda index assumes a list

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Problem:    Vim9: in lambda index assumes a list.
Solution:   Use the value type to decide about list or dict. (closes #6479)
This commit is contained in:
Bram Moolenaar
2020-07-19 15:49:49 +02:00
parent 75783bd84e
commit 6802cce407
3 changed files with 33 additions and 11 deletions
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5
src/testdir/test_vim9_expr.vim
View File

@@ -1115,7 +1115,7 @@ def Test_expr7_list()
call CheckDefExecFailure(["let x = g:anint[3]"], 'E714:')
call CheckDefFailure(["let x = g:list_mixed[xxx]"], 'E1001:')
call CheckDefFailure(["let x = [1,2,3]"], 'E1069:')
call CheckDefExecFailure(["let x = g:list_mixed['xx']"], 'E39:')
call CheckDefExecFailure(["let x = g:list_mixed['xx']"], 'E1029:')
call CheckDefFailure(["let x = g:list_mixed["], 'E1097:')
call CheckDefFailure(["let x = g:list_mixed[0"], 'E1097:')
call CheckDefExecFailure(["let x = g:list_empty[3]"], 'E684:')
@@ -1173,6 +1173,9 @@ def Test_expr7_lambda()
})
assert_equal([111, 222, 111], ll)
let dl = [{'key': 0}, {'key': 22}]->filter({ _, v -> v['key'] })
assert_equal([{'key': 22}], dl)
call CheckDefFailure(["filter([1, 2], {k,v -> 1})"], 'E1069:')
enddef

2
src/version.c
View File

@@ -754,6 +754,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1244,
/**/
1243,
/**/

35
src/vim9compile.c
View File

@@ -3748,6 +3748,7 @@ compile_subscript(
{
garray_T *stack = &cctx->ctx_type_stack;
type_T **typep;
vartype_T vtype;
// list index: list[123]
// dict member: dict[key]
@@ -3773,22 +3774,38 @@ compile_subscript(
}
*arg = *arg + 1;
// We can index a list and a dict. If we don't know the type
// we can use the index value type.
// TODO: If we don't know use an instruction to figure it out at
// runtime.
typep = ((type_T **)stack->ga_data) + stack->ga_len - 2;
if ((*typep)->tt_type == VAR_LIST || (*typep) == &t_any)
vtype = (*typep)->tt_type;
if (*typep == &t_any)
{
type_T *valtype = ((type_T **)stack->ga_data)
[stack->ga_len - 1];
if (valtype == &t_string)
vtype = VAR_DICT;
}
if (vtype == VAR_DICT)
{
if ((*typep)->tt_type == VAR_DICT)
*typep = (*typep)->tt_member;
else if (need_type(*typep, &t_dict_any, -2, cctx, FALSE)
== FAIL)
return FAIL;
if (may_generate_2STRING(-1, cctx) == FAIL)
return FAIL;
if (generate_instr_drop(cctx, ISN_MEMBER, 1) == FAIL)
return FAIL;
}
else if (vtype == VAR_LIST || *typep == &t_any)
{
if ((*typep)->tt_type == VAR_LIST)
*typep = (*typep)->tt_member;
if (generate_instr_drop(cctx, ISN_INDEX, 1) == FAIL)
return FAIL;
}
else if ((*typep)->tt_type == VAR_DICT)
{
*typep = (*typep)->tt_member;
if (may_generate_2STRING(-1, cctx) == FAIL)
return FAIL;
if (generate_instr_drop(cctx, ISN_MEMBER, 1) == FAIL)
return FAIL;
}
else
{
emsg(_(e_listdictblobreq));