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stage2: anyframe and error union types

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Vexu
2020-08-22 16:30:57 +03:00
committed by Andrew Kelley
parent d62c12e077
commit 16d7db59ed
6 changed files with 287 additions and 13 deletions
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22
src-self-hosted/Module.zig
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@@ -3309,6 +3309,28 @@ pub fn arrayType(self: *Module, scope: *Scope, len: u64, sentinel: ?Value, elem_
return Type.initPayload(&payload.base);
}
pub fn errorUnionType(self: *Module, scope: *Scope, error_set: Type, payload: Type) Allocator.Error!Type {
assert(error_set.zigTypeTag() == .ErrorSet);
if (error_set.eql(Type.initTag(.anyerror)) and payload.eql(Type.initTag(.void))) {
return Type.initTag(.anyerror_void_error_union);
}
const result = try scope.arena().create(Type.Payload.ErrorUnion);
result.* = .{
.error_set = error_set,
.payload = payload,
};
return Type.initPayload(&result.base);
}
pub fn anyframeType(self: *Module, scope: *Scope, return_type: Type) Allocator.Error!Type {
const result = try scope.arena().create(Type.Payload.AnyFrame);
result.* = .{
.return_type = return_type,
};
return Type.initPayload(&result.base);
}
pub fn dumpInst(self: *Module, scope: *Scope, inst: *Inst) void {
const zir_module = scope.namespace();
const source = zir_module.getSource(self) catch @panic("dumpInst failed to get source");