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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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37
src/vim9compile.c
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@@ -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));
@@ -5386,7 +5403,7 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
}
stacktype = stack->ga_len == 0 ? &t_void
: ((type_T **)stack->ga_data)[stack->ga_len - 1];
: ((type_T **)stack->ga_data)[stack->ga_len - 1];
if (lvar != NULL && (is_decl || !has_type))
{
if (new_local && !has_type)