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@ -67,4 +67,28 @@ struct ArrayType {
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IdentifierType basetype;
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size_t level;
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};
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using ExprTypeInfo = std::variant<IdentifierType, ArrayType>;
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inline bool operator==(const ArrayType &l, const ArrayType &r) {
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return l.has_base_type == r.has_base_type && l.basetype == r.basetype && l.level == r.level;
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}
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using ExprTypeInfo = std::variant<IdentifierType, ArrayType>;
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inline bool operator==(const ExprTypeInfo &l, const ExprTypeInfo &r) {
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if (std::holds_alternative<IdentifierType>(r) && std::get<IdentifierType>(r) == "null") {
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if (std::holds_alternative<IdentifierType>(l)) {
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std::string l_type = std::get<IdentifierType>(l);
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if (l_type == "int" || l_type == "bool" || l_type == "string") {
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return false;
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}
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return true;
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}
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return true;
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}
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if (std::holds_alternative<IdentifierType>(l)) {
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return std::holds_alternative<IdentifierType>(r) && std::get<IdentifierType>(l) == std::get<IdentifierType>(r);
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}
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if (std::holds_alternative<ArrayType>(l)) {
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return std::holds_alternative<ArrayType>(r) && std::get<ArrayType>(l) == std::get<ArrayType>(r);
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}
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throw std::runtime_error("something strange happened");
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}
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inline bool operator!=(const ExprTypeInfo &l, const ExprTypeInfo &r) { return !(l == r); }
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