forked from NUDT-compiler/nudt-compiler-cpp
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18 lines
482 B
18 lines
482 B
// 维护局部变量声明的注册与查找。
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#include "sem/SymbolTable.h"
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void SymbolTable::Add(const std::string& name,
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SysYParser::VarDefContext* decl) {
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table_[name] = decl;
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}
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bool SymbolTable::Contains(const std::string& name) const {
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return table_.find(name) != table_.end();
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}
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SysYParser::VarDefContext* SymbolTable::Lookup(const std::string& name) const {
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auto it = table_.find(name);
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return it == table_.end() ? nullptr : it->second;
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}
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