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parse struct and union sequences

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Jan
2021-02-18 21:55:13 +01:00
parent 57547854c4
commit fb55cdb468
24 changed files with 316 additions and 19 deletions
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33
src/ZoneCodeGeneratorLib/Parsing/Header/Sequence/SequenceUnion.cpp
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@ -26,5 +26,36 @@ SequenceUnion::SequenceUnion()
void SequenceUnion::ProcessMatch(HeaderParserState* state, SequenceResult<HeaderParserValue>& result) const
{
state->PushBlock(std::make_unique<HeaderBlockUnion>());
auto isTypedef = result.PeekAndRemoveIfTag(TAG_TYPEDEF) == TAG_TYPEDEF;
std::string name;
if (result.HasNextCapture(CAPTURE_NAME))
name = result.NextCapture(CAPTURE_NAME).IdentifierValue();
auto unionBlock = std::make_unique<HeaderBlockUnion>(std::move(name), isTypedef);
if (result.HasNextCapture(CAPTURE_ALIGN))
unionBlock->SetCustomAlignment(result.NextCapture(CAPTURE_ALIGN).IntegerValue());
if (result.HasNextCapture(CAPTURE_PARENT_TYPE))
{
const auto& parentTypeToken = result.NextCapture(CAPTURE_PARENT_TYPE);
const auto* parentDefinition = state->FindType(parentTypeToken.TypeNameValue());
if (parentDefinition == nullptr && !state->m_namespace.IsEmpty())
{
const auto fullTypeName = NamespaceBuilder::Combine(state->m_namespace.ToString(), parentTypeToken.TypeNameValue());
parentDefinition = state->FindType(fullTypeName);
}
if (parentDefinition == nullptr)
throw ParsingException(parentTypeToken.GetPos(), "Cannot find specified parent type");
if (parentDefinition->GetType() != DataDefinitionType::STRUCT)
throw ParsingException(parentTypeToken.GetPos(), "Parent type must be a struct");
unionBlock->Inherit(dynamic_cast<const StructDefinition*>(parentDefinition));
}
state->PushBlock(std::move(unionBlock));
}