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Add fields for extern to EntityWithParamsBase (#4206)

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This adds fields to `EntityWithParamsBase` to reflect the intention with
`extern library` design. I'm renaming `decl_id` because it shouldn't be
expected to be assigned anymore. import_ref.cpp I'm deliberately keeping
on `first_owning_decl_id` (which will break when importing `extern
library` declarations). Most other cases are for diagnostics, and I'm
using `latest_decl_id` to try and get the closest declaration to the
error. Note I'm partly splitting out this PR to show the test effect,
which apparently we don't test related cases.
This commit is contained in:
Jon Ross-Perkins
2024-08-12 19:50:15 +00:00
committed by GitHub
parent c5b5d36e8b
commit 0feb757de0
14 changed files with 80 additions and 54 deletions
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toolchain/check/function.cpp
+5 -5
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@@ -41,21 +41,21 @@ auto CheckFunctionTypeMatches(Context& context,
"Function redeclaration differs because no return type is provided.");
auto diag =
new_return_type_id.is_valid()
? context.emitter().Build(new_function.decl_id,
? context.emitter().Build(new_function.latest_decl_id(),
FunctionRedeclReturnTypeDiffers,
new_return_type_id)
: context.emitter().Build(new_function.decl_id,
: context.emitter().Build(new_function.latest_decl_id(),
FunctionRedeclReturnTypeDiffersNoReturn);
if (prev_return_type_id.is_valid()) {
CARBON_DIAGNOSTIC(FunctionRedeclReturnTypePrevious, Note,
"Previously declared with return type `{0}`.",
SemIR::TypeId);
diag.Note(prev_function.decl_id, FunctionRedeclReturnTypePrevious,
prev_return_type_id);
diag.Note(prev_function.latest_decl_id(),
FunctionRedeclReturnTypePrevious, prev_return_type_id);
} else {
CARBON_DIAGNOSTIC(FunctionRedeclReturnTypePreviousNoReturn, Note,
"Previously declared with no return type.");
diag.Note(prev_function.decl_id,
diag.Note(prev_function.latest_decl_id(),
FunctionRedeclReturnTypePreviousNoReturn);
}
diag.Emit();