carbon-language/carbon-lang
1
0
Fork 0
mirror of https://github.com/carbon-language/carbon-lang.git synced 2026-10-05 22:02:55 +01:00
Code Issues Packages Projects Releases 10 Wiki Activity

Support for initialization of classes with abstract base classes. (#6802)

Browse Source 
When initializing `.base` in class initialization, use `partial Base` as
the destination type rather than `Base`. Treat `partial Base` as not
being abstract even when `Base` is.

Allow conversion from a `partial T` initializer to a `T` initializer.
Store the vptr while performing the conversion. Do not store the vptr
when performing a `partial T` initialization, only when performing a
non-partial `T` initialization.
This commit is contained in:
Richard Smith
2026-02-27 01:27:25 +00:00
committed by GitHub
parent be88dfd744
commit 41dd256d56
22 changed files with 717 additions and 233 deletions
Download Patch File Download Diff File Expand all files Collapse all files
toolchain/lower/handle.cpp
+12
View File
@@ -350,6 +350,18 @@ auto HandleInst(FunctionContext& context, SemIR::InstId inst_id,
inst_id, context.builder().CreateNot(context.GetValue(inst.operand_id)));
}
auto HandleInst(FunctionContext& context, SemIR::InstId inst_id,
SemIR::UpdateInit inst) -> void {
// Ensure that our subordinate initializations have been performed. They may
// have been skipped if they were constant.
context.InitializeStorage(inst.base_init_id);
context.InitializeStorage(inst.update_init_id);
// TODO: Add a helper to poison a value slot.
context.SetLocal(inst_id,
llvm::PoisonValue::get(context.GetTypeOfInst(inst_id)));
}
auto HandleInst(FunctionContext& context, SemIR::InstId inst_id,
SemIR::VarStorage /* inst */) -> void {
context.SetLocal(inst_id,