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vim-patch:8.2.4934: string interpolation fails when not evaluating

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Problem:    String interpolation fails when not evaluating.
Solution:   Skip the expression when not evaluating. (closes vim/vim#10398)

70c41241c2

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq 2023-04-15 18:19:47 +08:00
parent ef9af89da7
commit 29efd54e02
4 changed files with 15 additions and 16 deletions
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4
runtime/syntax/modula3.vim
View File

@ -84,9 +84,7 @@ syn case ignore
let s:digits = "0123456789ABCDEF"
for s:radix in range(2, 16)
" Nvim does not support interpolated strings yet.
" exe $'syn match modula3Integer "\<{s:radix}_[{s:digits[:s:radix - 1]}]\+L\=\>"'
exe 'syn match modula3Integer "\<' .. s:radix .. '_[' .. s:digits[:s:radix - 1] .. ']\+L\=\>"'
exe $'syn match modula3Integer "\<{s:radix}_[{s:digits[:s:radix - 1]}]\+L\=\>"'
endfor
unlet s:digits s:radix

2
src/nvim/eval.c
View File

@ -4140,7 +4140,7 @@ int eval_interp_string(char **arg, typval_T *rettv, bool evaluate)
(*arg)++;
break;
}
char *p = eval_one_expr_in_str(*arg, &ga);
char *p = eval_one_expr_in_str(*arg, &ga, evaluate);
if (p == NULL) {
ret = FAIL;
break;

21
src/nvim/eval/vars.c
View File

@ -55,8 +55,9 @@ static const char *e_lock_unlock = N_("E940: Cannot lock or unlock variable %s")
/// Evaluate one Vim expression {expr} in string "p" and append the
/// resulting string to "gap". "p" points to the opening "{".
/// When "evaluate" is false only skip over the expression.
/// Return a pointer to the character after "}", NULL for an error.
char *eval_one_expr_in_str(char *p, garray_T *gap)
char *eval_one_expr_in_str(char *p, garray_T *gap, bool evaluate)
{
char *block_start = skipwhite(p + 1); // skip the opening {
char *block_end = block_start;
@ -73,14 +74,16 @@ char *eval_one_expr_in_str(char *p, garray_T *gap)
semsg(_(e_missing_close_curly_str), p);
return NULL;
}
*block_end = NUL;
char *expr_val = eval_to_string(block_start, true);
*block_end = '}';
if (expr_val == NULL) {
return NULL;
if (evaluate) {
*block_end = NUL;
char *expr_val = eval_to_string(block_start, true);
*block_end = '}';
if (expr_val == NULL) {
return NULL;
}
ga_concat(gap, expr_val);
xfree(expr_val);
}
ga_concat(gap, expr_val);
xfree(expr_val);
return block_end + 1;
}
@ -129,7 +132,7 @@ char *eval_all_expr_in_str(char *str)
}
// Evaluate the expression and append the result.
p = eval_one_expr_in_str(p, &ga);
p = eval_one_expr_in_str(p, &ga, true);
if (p == NULL) {
ga_clear(&ga);
return NULL;

4
test/old/testdir/test_scriptnames.vim
View File

@ -35,9 +35,7 @@ func Test_getscriptinfo()
source Xscript
let l = getscriptinfo()
call assert_match('Xscript$', l[-1].name)
" Nvim does not support interpolated strings yet.
" call assert_equal(g:loaded_script_id, $"<SNR>{l[-1].sid}_")
call assert_equal(g:loaded_script_id, '<SNR>' . l[-1].sid . '_')
call assert_equal(g:loaded_script_id, $"<SNR>{l[-1].sid}_")
call delete('Xscript')
endfunc