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/**
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*
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* OOAS Compiler - C++ AST
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*
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* Copyright 2015, AIT Austrian Institute of Technology.
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* All rights reserved.
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*
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* SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
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*
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* If you modify the file please update the list of contributors below to in-
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* clude your name. Please also stick to the coding convention of using TABs
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* to do the basic (block-level) indentation and spaces for anything after
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* that. (Enable the display of special chars and it should be pretty obvious
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* what this means.) Also, remove all trailing whitespace.
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*
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* Contributors:
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* Willibald Krenn (AIT)
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* Stephan Zimmerer (AIT)
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* Christoph Czurda (AIT)
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*
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*/
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#pragma once
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#include <cstdint>
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#include <unordered_map>
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#include <unordered_set>
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#include <list>
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#include <string>
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#include <ast/identifiers/Identifier.hpp>
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#include <base/Exceptions.hpp>
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namespace Ast {
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class SymbolTable: public Base::TiresiasObject {
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protected:
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std::unordered_map<std::string, Identifier*> m_symbols;
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std::unordered_set<const Identifier*> m_identifiers;
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SymbolTable():
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TiresiasObject(),
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m_symbols(),
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m_identifiers()
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{};
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SymbolTable(const SymbolTable &toCopy):
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TiresiasObject(),
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m_symbols(toCopy.m_symbols),
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m_identifiers (toCopy.m_identifiers)
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{};
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public:
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friend class Ast;
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std::unordered_map<std::string, Identifier*>::iterator begin() {return m_symbols.begin();}
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std::unordered_map<std::string, Identifier*>::iterator end() {return m_symbols.end();}
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std::unordered_set<const Identifier*> identifiers() {return m_identifiers;}
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std::uint64_t size() {return m_symbols.size();}
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bool defined(const Identifier* aValue) { return m_identifiers.count(aValue) > 0; }
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bool defined(std::string& aKey) { return m_symbols.find(aKey) != m_symbols.end(); }
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Identifier* get(const std::string& aKey) {
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std::unordered_map<std::string, Identifier*>::iterator iter = m_symbols.find(aKey);
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if (iter == m_symbols.end())
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return nullptr;
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return iter->second;
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}
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Identifier* get(const char* aKey);
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bool addIdentifier(Identifier* anIdent);
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void setSymbolList(std::list<Identifier*>& newList);
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};
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}
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