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cgen: fix dump(nil), dump(voidptr) (fix #16455) (#16456)

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shove 2022-11-17 13:41:07 +08:00 committed by GitHub
parent 523ccbcb70
commit 49277f7aa8
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3 changed files with 19 additions and 0 deletions
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3
vlib/v/gen/c/dumpexpr.v
View File

@ -74,6 +74,9 @@ fn (mut g Gen) dump_expr_definitions() {
surrounder.add('\tstring value = ${to_string_fn_name}();', '\tstring_free(&value);') surrounder.add('\tstring value = ${to_string_fn_name}();', '\tstring_free(&value);')
} else if dump_sym.kind == .none_ { } else if dump_sym.kind == .none_ {
surrounder.add('\tstring value = _SLIT("none");', '\tstring_free(&value);') surrounder.add('\tstring value = _SLIT("none");', '\tstring_free(&value);')
} else if is_ptr {
surrounder.add('\tstring value = (dump_arg == NULL) ? _SLIT("nil") : ${to_string_fn_name}(${deref}dump_arg);',
'\tstring_free(&value);')
} else { } else {
surrounder.add('\tstring value = ${to_string_fn_name}(${deref}dump_arg);', surrounder.add('\tstring value = ${to_string_fn_name}(${deref}dump_arg);',
'\tstring_free(&value);') '\tstring_free(&value);')

2
vlib/v/tests/inout/dump_nil_voidptr.out Normal file
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@ -0,0 +1,2 @@
[vlib/v/tests/inout/dump_nil_voidptr.vv:11] a: &nil
[vlib/v/tests/inout/dump_nil_voidptr.vv:13] a: &nil

14
vlib/v/tests/inout/dump_nil_voidptr.vv Normal file
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@ -0,0 +1,14 @@
fn get_nil() ?&int {
return unsafe { nil }
}
fn get_voidptr() ?&int {
return voidptr(0)
}
fn main() {
mut a := get_nil()?
dump(a)
a = get_voidptr()?
dump(a)
}