forked from NUDT-compiler/nudt-compiler-cpp
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20 lines
667 B
20 lines
667 B
// 符号表：记录变量和常量定义。
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#pragma once
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#include <string>
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#include <unordered_map>
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#include "SysYParser.h"
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class SymbolTable {
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public:
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void AddVar(const std::string& name, SysYParser::VarDefContext* decl);
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void AddConst(const std::string& name, SysYParser::ConstDefContext* decl);
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bool Contains(const std::string& name) const;
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SysYParser::VarDefContext* LookupVar(const std::string& name) const;
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SysYParser::ConstDefContext* LookupConst(const std::string& name) const;
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private:
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std::unordered_map<std::string, SysYParser::VarDefContext*> var_table_;
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std::unordered_map<std::string, SysYParser::ConstDefContext*> const_table_;
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}; |