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If a name is not found in a class, perform lookup into base classes. (#3502)

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This builds out a little infrastructure for one name scope to `extend`
another. We'll need more refinement here to cover other cases, but this
should provide some foundation for that future work.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
This commit is contained in:
Richard Smith
2023-12-14 19:51:55 +00:00
committed by GitHub
co-authored by Jon Ross-Perkins
parent 23c7d7dd99
commit de0c02ddae
28 changed files with 892 additions and 132 deletions
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toolchain/check/convert.cpp
+9 -2
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@@ -1032,12 +1032,19 @@ auto ConvertToValueOrRefExpr(Context& context, SemIR::InstId expr_id)
}
auto ConvertToValueOfType(Context& context, Parse::NodeId parse_node,
SemIR::InstId value_id, SemIR::TypeId type_id)
SemIR::InstId expr_id, SemIR::TypeId type_id)
-> SemIR::InstId {
return Convert(context, parse_node, value_id,
return Convert(context, parse_node, expr_id,
{.kind = ConversionTarget::Value, .type_id = type_id});
}
auto ConvertToValueOrRefOfType(Context& context, Parse::NodeId parse_node,
SemIR::InstId expr_id, SemIR::TypeId type_id)
-> SemIR::InstId {
return Convert(context, parse_node, expr_id,
{.kind = ConversionTarget::ValueOrRef, .type_id = type_id});
}
auto ConvertToBoolValue(Context& context, Parse::NodeId parse_node,
SemIR::InstId value_id) -> SemIR::InstId {
return ConvertToValueOfType(