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stage2: add haveFieldTypes() assertions

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This will help with contributions such as #9966.
This commit is contained in:
Andrew Kelley 2021-10-17 10:59:40 -07:00
parent fdd11f6cee
commit 127cd06ba1
1 changed files with 3 additions and 0 deletions
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3
src/type.zig
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@ -2573,12 +2573,14 @@ pub const Type = extern union {
pub fn unionFields(ty: Type) Module.Union.Fields {
const union_obj = ty.cast(Payload.Union).?.data;
assert(union_obj.haveFieldTypes());
return union_obj.fields;
}
pub fn unionFieldType(ty: Type, enum_tag: Value) Type {
const union_obj = ty.cast(Payload.Union).?.data;
const index = union_obj.tag_ty.enumTagFieldIndex(enum_tag).?;
assert(union_obj.haveFieldTypes());
return union_obj.fields.values()[index].ty;
}
@ -3376,6 +3378,7 @@ pub const Type = extern union {
.empty_struct => return .{},
.@"struct" => {
const struct_obj = ty.castTag(.@"struct").?.data;
assert(struct_obj.haveFieldTypes());
return struct_obj.fields;
},
else => unreachable,