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feat(lua): make =expr print result of expr

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This commit is contained in:
shadmansaleh
2022-01-04 11:05:15 +06:00
parent 207307d0fa
commit d44254641f
3 changed files with 26 additions and 3 deletions
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14
src/nvim/lua/executor.c
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@@ -1115,11 +1115,23 @@ void ex_lua(exarg_T *const eap)
FUNC_ATTR_NONNULL_ALL
{
size_t len;
char *const code = script_get(eap, &len);
char *code = script_get(eap, &len);
if (eap->skip) {
xfree(code);
return;
}
// When =expr is used transform it to print(vim.inspect(expr))
if (code[0] == '=') {
len += sizeof("print(vim.inspect())") - sizeof("=");
// code_buf needs to be 1 char larger then len for null byte in the end.
// lua nlua_typval_exec doesn't expect null terminated string so len
// needs to end before null byte.
char *code_buf = xmallocz(len);
vim_snprintf(code_buf, len+1, "print(vim.inspect(%s))", code+1);
xfree(code);
code = code_buf;
}
nlua_typval_exec(code, len, ":lua", NULL, 0, false, NULL);
xfree(code);