Support extended scopes that are parameterized types #4524
Merged
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extended_scopes
in aNameScope
were represented by aNameScopeId
. Replace that with anInstId
of an instruction returning the type that is extending this name scope.Context::LookupQualifiedName
now can take multiple scopes to look in.GetAsLookupScope
was moved out ofmember_access.cpp
and is nowContext::AppendLookupScopesForConstant
This PR also fixes some existing issues that were revealed as part of writing and testing this PR:
extend impl
in a class is not properly imported yet, but at least now it doesn't crash.The change to use an
InstId
also allowed some diagnostics and formatting to be improved.