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cgen: fix empty struct initilization (#10651)

pull/10661/head
yuyi 2021-07-04 01:11:56 +08:00 committed by GitHub
parent 6454f998c4
commit 5a4a1997e7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 7 deletions
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8
vlib/v/gen/c/cgen.v
View File

@ -694,7 +694,7 @@ fn (mut g Gen) register_chan_pop_optional_call(opt_el_type string, styp string)
static inline $opt_el_type __Option_${styp}_popval($styp ch) {
$opt_el_type _tmp = {0};
if (sync__Channel_try_pop_priv(ch, _tmp.data, false)) {
return ($opt_el_type){ .state = 2, .err = v_error(_SLIT("channel closed")), .data = {0} };
return ($opt_el_type){ .state = 2, .err = v_error(_SLIT("channel closed")), .data = {EMPTY_STRUCT_INITIALIZATION} };
}
return _tmp;
}')
@ -708,7 +708,7 @@ fn (mut g Gen) register_chan_push_optional_call(el_type string, styp string) {
g.channel_definitions.writeln('
static inline Option_void __Option_${styp}_pushval($styp ch, $el_type e) {
if (sync__Channel_try_push_priv(ch, &e, false)) {
return (Option_void){ .state = 2, .err = v_error(_SLIT("channel closed")), .data = {0} };
return (Option_void){ .state = 2, .err = v_error(_SLIT("channel closed")), .data = {EMPTY_STRUCT_INITIALIZATION} };
}
return (Option_void){0};
}')
@ -4482,7 +4482,7 @@ fn (mut g Gen) gen_optional_error(target_type ast.Type, expr ast.Expr) {
styp := g.typ(target_type)
g.write('($styp){ .state=2, .err=')
g.expr(expr)
g.write(', .data={0} }')
g.write(', .data={EMPTY_STRUCT_INITIALIZATION} }')
}
fn (mut g Gen) return_stmt(node ast.Return) {
@ -5054,7 +5054,7 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
}
if field.typ.has_flag(.optional) {
field_name := c_name(field.name)
g.write('.$field_name = {0},')
g.write('.$field_name = {EMPTY_STRUCT_INITIALIZATION},')
initialized = true
continue
}

4
vlib/v/tests/anon_fn_with_optional_test.v
View File

@ -1,6 +1,4 @@
struct Response {
ret int
}
struct Response {}
pub struct Route {
handler fn (mut App) Response