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cgen: fix alias enum used in comptime $for (fix #25211) (#25212)

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Swastik Baranwal 2025-09-04 15:27:25 +05:30 • committed by GitHub
parent 8868696017
commit dabc08b6ee
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2 changed files with 26 additions and 1 deletions
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7
vlib/v/gen/c/comptime.v
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@ -781,7 +781,12 @@ fn (mut g Gen) comptime_for(node ast.ComptimeFor) {
if g.pref.translated && node.typ.is_number() {
g.writeln('_const_main__${val};')
} else {
g.writeln('${g.styp(node.typ)}__${val};')
node_sym := g.table.sym(node.typ)
if node_sym.info is ast.Alias {
g.writeln('${g.styp(node_sym.info.parent_type)}__${val};')
} else {
g.writeln('${g.styp(node.typ)}__${val};')
}
}
enum_attrs := sym.info.attrs[val]
if enum_attrs.len == 0 {

20
vlib/v/tests/comptime/comptime_enum_values_test.v
View file

@ -5,6 +5,8 @@ enum CharacterGroup {
special
}
type AnotherCharGroup = CharacterGroup
fn (self CharacterGroup) value() string {
return match self {
.chars { 'first' }
@ -33,3 +35,21 @@ fn test_main() {
assert values == [CharacterGroup.chars, CharacterGroup.alphanumerics, CharacterGroup.numeric,
CharacterGroup.special]
}
fn test_alias_enum() {
mut values := []EnumData{}
$for entry in AnotherCharGroup.values {
values << entry
}
assert values[0].value == int(CharacterGroup.chars)
assert values[0].name == CharacterGroup.chars.str()
assert values[1].value == int(CharacterGroup.alphanumerics)
assert values[1].name == CharacterGroup.alphanumerics.str()
assert values[2].value == int(CharacterGroup.numeric)
assert values[2].name == CharacterGroup.numeric.str()
assert values[3].value == int(CharacterGroup.special)
assert values[3].name == CharacterGroup.special.str()
}