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

Add ExternDecl and ExternType for extern classes. (#3893)

Browse Source 
This expands `extern` handling for most cases.
This commit is contained in:
Jon Ross-Perkins
2024-04-22 15:04:16 +00:00
committed by GitHub
parent 459c41ab3c
commit 5694dd152e
18 changed files with 332 additions and 308 deletions
Download Patch File Download Diff File Expand all files Collapse all files
toolchain/check/import_ref.cpp
+16
View File
@@ -409,6 +409,9 @@ class ImportRefResolver {
case CARBON_KIND(SemIR::ConstType inst): {
return TryResolveTypedInst(inst);
}
case CARBON_KIND(SemIR::ExternDecl inst): {
return TryResolveTypedInst(inst);
}
case CARBON_KIND(SemIR::FieldDecl inst): {
return TryResolveTypedInst(inst, inst_id);
}
@@ -669,6 +672,19 @@ class ImportRefResolver {
SemIR::ConstType{SemIR::TypeId::TypeType, inner_type_id})};
}
auto TryResolveTypedInst(SemIR::ExternDecl inst) -> ResolveResult {
auto initial_work = work_stack_.size();
CARBON_CHECK(inst.type_id == SemIR::TypeId::TypeType);
auto decl_const_id = GetLocalConstantId(inst.decl_id);
if (HasNewWork(initial_work)) {
return ResolveResult::Retry();
}
auto extern_id = context_.AddInstInNoBlock(SemIR::LocIdAndInst::Untyped(
AddImportIRInst(inst.decl_id),
SemIR::ExternDecl{SemIR::TypeId::TypeType, decl_const_id.inst_id()}));
return {context_.constant_values().Get(extern_id)};
}
auto TryResolveTypedInst(SemIR::FieldDecl inst, SemIR::InstId import_inst_id)
-> ResolveResult {
auto initial_work = work_stack_.size();