symboltable.h

来自「compiler principle how to ananilyze」· C头文件 代码 · 共 49 行

// SymbolTable.h: interface for the SymbolTable class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SYMBOLTABLE_H__8E4737A8_F7F6_4D25_8B14_86FCCB9D17BA__INCLUDED_)
#define AFX_SYMBOLTABLE_H__8E4737A8_F7F6_4D25_8B14_86FCCB9D17BA__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "SymbolEntry.h"
#include "Token.h"

#include <vector>
#include <string>
using namespace std;

class SymbolTable {

private:
	typedef vector<SymbolEntry> VectorTable;
	VectorTable table;

	int findByKind(const string& alexeme, int token_kind) const;

public:
	SymbolTable();

	int find(const string& alexeme) const;
	int find(const string& alexeme, int token_type) const;
	int findInKeywords(const string& alexeme) const;
	int findInVs(const string& alexeme) const;

	int append(const SymbolEntry& se);
	int insert(const string& alexeme, int token_type);

	Token getToken(int index) const;
	void setTokenType(int index, int token_type);			//change VN to GN
	const string& getLexeme(int index) const;

	const SymbolEntry& operator[](int index) const;
	SymbolEntry& operator[](int index);

	string toStr() const;
};

#endif // !defined(AFX_SYMBOLTABLE_H__8E4737A8_F7F6_4D25_8B14_86FCCB9D17BA__INCLUDED_)