47 lines
913 B
C++
47 lines
913 B
C++
#ifndef roza_SYMTABLE_HPP
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#define roza_SYMTABLE_HPP
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#include "commons.hpp"
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#include "Node.hpp"
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namespace roza
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{
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struct SymEntry {
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std::string name;
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int addr;
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int scope;
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std::shared_ptr<Node> node;
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bool is_mut;
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};
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class SymTable
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{
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public:
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explicit SymTable();
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explicit SymTable(SymTable const& sym_table);
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virtual ~SymTable();
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void enter_scope();
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void leave_scope();
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int declare(std::string const& name, std::shared_ptr<Node> node);
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int declare_mut(std::string const& name, std::shared_ptr<Node> node);
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SymEntry& find(std::string const& name);
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SymEntry const& find(std::string const& name) const;
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bool exists(std::string const& name) const;
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bool exists_in_scope(std::string const& name) const;
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std::string string() const;
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private:
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int m_addr = 0;
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std::vector<SymEntry> m_entries;
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int m_scope = 0;
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};
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}
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#endif
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