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patch 8.2.1357: Vim9: cannot assign to / register

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Problem:    Vim9: cannot assign to / register.
Solution:   Adjust check for assignment.
This commit is contained in:
Bram Moolenaar
2020-08-02 18:58:54 +02:00
parent 7226e5b19b
commit 658217276f
4 changed files with 24 additions and 6 deletions
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7
src/testdir/test_vim9_expr.vim
View File

@@ -1439,6 +1439,13 @@ def Test_expr7_register()
normal axyz
assert_equal("xyz", @.)
call CheckDefFailure(["@. = 'yes'"], 'E354:')
@/ = 'slash'
assert_equal('slash', @/)
@= = 'equal'
assert_equal('equal', @=)
enddef
def Test_expr7_namespace()

3
src/testdir/test_vim9_script.vim
View File

@@ -470,8 +470,9 @@ def Test_assignment_failure()
call CheckDefFailure(['let $VAR = 5'], 'E1016: Cannot declare an environment variable:')
call CheckScriptFailure(['vim9script', 'let $ENV = "xxx"'], 'E1016:')
call CheckDefFailure(['let @~ = 5'], 'E354:')
call CheckDefFailure(['let @~ = 5'], 'E1066:')
call CheckDefFailure(['let @a = 5'], 'E1066:')
call CheckDefFailure(['let @/ = "x"'], 'E1066:')
call CheckScriptFailure(['vim9script', 'let @a = "abc"'], 'E1066:')
call CheckDefFailure(['let g:var = 5'], 'E1016: Cannot declare a global variable:')

2
src/version.c
View File

@@ -754,6 +754,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1357,
/**/
1356,
/**/

18
src/vim9compile.c
View File

@@ -5214,9 +5214,14 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
int has_index = FALSE;
int instr_count = -1;
p = (*var_start == '&' || *var_start == '$'
|| *var_start == '@') ? var_start + 1 : var_start;
p = to_name_end(p, TRUE);
if (*var_start == '@')
p = var_start + 2;
else
{
p = (*var_start == '&' || *var_start == '$')
? var_start + 1 : var_start;
p = to_name_end(p, TRUE);
}
// "a: type" is declaring variable "a" with a type, not "a:".
if (is_decl && var_end == var_start + 2 && var_end[-1] == ':')
@@ -5279,7 +5284,7 @@ compile_assignment(char_u *arg, exarg_T *eap, cmdidx_T cmdidx, cctx_T *cctx)
}
else if (*var_start == '@')
{
if (!valid_yank_reg(var_start[1], TRUE))
if (!valid_yank_reg(var_start[1], FALSE) || var_start[1] == '.')
{
emsg_invreg(var_start[1]);
goto theend;
@@ -7247,7 +7252,10 @@ compile_def_function(ufunc_T *ufunc, int set_return_type, cctx_T *outer_cctx)
int oplen;
int heredoc;
var_end = find_name_end(pskip, NULL, NULL,
if (ea.cmd[0] == '@')
var_end = ea.cmd + 2;
else
var_end = find_name_end(pskip, NULL, NULL,
FNE_CHECK_START | FNE_INCL_BR);
oplen = assignment_len(skipwhite(var_end), &heredoc);
if (oplen > 0)