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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| #pragma once | ||
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| #include "wamon/interpreter.h" | ||
| #include "wamon/variable.h" | ||
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| namespace wamon { | ||
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| class ListVariable : public CompoundVariable { | ||
| public: | ||
| ListVariable(std::unique_ptr<Type>&& element_type, ValueCategory vc, const std::string& name) | ||
| : CompoundVariable(std::make_unique<ListType>(element_type->Clone()), vc, name), | ||
| element_type_(std::move(element_type)) {} | ||
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| void PushBack(std::shared_ptr<Variable> element); | ||
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| void PopBack(); | ||
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| size_t Size() const { return elements_.size(); } | ||
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| void Resize(size_t new_size, Interpreter& ip) { | ||
| size_t old_size = Size(); | ||
| if (new_size == old_size) { | ||
| return; | ||
| } else if (new_size < old_size) { | ||
| elements_.resize(new_size); | ||
| } else { | ||
| for (size_t i = 0; i < (new_size - old_size); ++i) { | ||
| auto v = VariableFactory(element_type_, vc_, "", ip); | ||
| v->DefaultConstruct(); | ||
| elements_.push_back(std::move(v)); | ||
| } | ||
| } | ||
| } | ||
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| void Clear() { elements_.clear(); } | ||
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| void Erase(size_t index) { | ||
| if (index >= elements_.size()) { | ||
| throw WamonException("List.Erase error, index out of range : {} >= {}", index, elements_.size()); | ||
| } | ||
| auto it = elements_.begin(); | ||
| std::advance(it, index); | ||
| elements_.erase(it); | ||
| } | ||
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| void Insert(size_t index, std::shared_ptr<Variable> v) { | ||
| if (index > Size()) { | ||
| throw WamonException("List.Insert error, index = {}, size = {}", index, Size()); | ||
| } | ||
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| std::shared_ptr<Variable> tmp; | ||
| if (v->IsRValue()) { | ||
| tmp = v; | ||
| } else { | ||
| tmp = v->Clone(); | ||
| } | ||
| tmp->ChangeTo(vc_); | ||
| auto it = elements_.begin(); | ||
| std::advance(it, index); | ||
| elements_.insert(it, std::move(tmp)); | ||
| } | ||
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| std::shared_ptr<Variable> at(size_t i) { | ||
| if (i >= Size()) { | ||
| throw WamonException("ListVariable.at error, index {} out of range", i); | ||
| } | ||
| return elements_[i]; | ||
| } | ||
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| std::string get_string_only_for_byte_list(); | ||
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| void ConstructByFields(const std::vector<std::shared_ptr<Variable>>& fields) override; | ||
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| void DefaultConstruct() override; | ||
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| std::shared_ptr<Variable> Clone() override; | ||
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| bool Compare(const std::shared_ptr<Variable>& other) override { | ||
| check_compare_type_match(other); | ||
| ListVariable* list_v = static_cast<ListVariable*>(other.get()); | ||
| if (elements_.size() != list_v->elements_.size()) { | ||
| return false; | ||
| } | ||
| for (size_t i = 0; i < elements_.size(); ++i) { | ||
| if (elements_[i]->Compare((list_v->elements_)[i]) == false) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| void Assign(const std::shared_ptr<Variable>& other) override { | ||
| check_compare_type_match(other); | ||
| ListVariable* list_v = static_cast<ListVariable*>(other.get()); | ||
| elements_.clear(); | ||
| for (size_t i = 0; i < list_v->elements_.size(); ++i) { | ||
| // PushBack函数会处理值型别 | ||
| PushBack(list_v->elements_[i]); | ||
| } | ||
| } | ||
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| void ChangeTo(ValueCategory vc) override { | ||
| vc_ = vc; | ||
| for (auto& each : elements_) { | ||
| each->ChangeTo(vc); | ||
| } | ||
| } | ||
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| nlohmann::json Print() override { | ||
| nlohmann::json list; | ||
| for (size_t i = 0; i < elements_.size(); ++i) { | ||
| list.push_back(elements_[i]->Print()); | ||
| } | ||
| return list; | ||
| } | ||
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| private: | ||
| std::unique_ptr<Type> element_type_; | ||
| std::vector<std::shared_ptr<Variable>> elements_; | ||
| }; | ||
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| inline ListVariable* AsListVariable(const std::shared_ptr<Variable>& v) { return static_cast<ListVariable*>(v.get()); } | ||
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| } // namespace wamon |
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