phasesymbol.cpp

一门课程的proj

#include "StdAfx.h"
#include ".\phasesymbol.h"

NotEndSymbol::NotEndSymbol(void){}

NotEndSymbol::NotEndSymbol(int s_n)
{
	symbol_name = s_n;
	first_num = 0;
	first_finish = 0;
	_first.clear();
}

void NotEndSymbol::output()
{
	record<<"first的元素有：";
	for(int i = 0 ;i < first_num ;i ++)
	{
		record<<_first[i]<<",";
	}
	record<<endl;
}

int NotEndSymbol::CheckFirstExist(int temp)
{
	for(int i = 0 ;i < first_num ; i++)
	{
		if(_first[i] == temp )
			return 1;
	}
	return 0;
}

void NotEndSymbol::AddFirstSymbol(int temp)
{
	if(CheckFirstExist(temp) == 0 )
	{
		_first.push_back(temp);
		first_num++;
	}
}

PhaseSymbol::PhaseSymbol(void)
{
	es.clear();
	nes.clear();
	es_num = 0;
	nes_num = 0;
}

NotEndSymbol * PhaseSymbol::getNes(int nes_dst)
{
	for(int i = 0 ; i < nes_num ; i++)
		if( nes[i].symbol_name == nes_dst)
			return &nes[i];
	return NULL;
}

void PhaseSymbol::outputFirst()
{
	for(int i = 0 ; i < nes_num ; i ++)
	{
		record<<"输出"<<nes[i].symbol_name<<"的first集合:";
		nes[i].output();
	}
}

void PhaseSymbol::output()
{
	record<<"现在输出所有的终结符和非终结符集合"<<endl;
	record<<"输出非终结符"<<endl;
	for(int i = 0 ;i < nes_num ; i++)
	{
			record<<nes[i].symbol_name<<",";
	}
	record<<endl;
	record<<"输出终结符"<<endl;
	for(i = 0 ;i < es_num ;i ++)
		record<<es[i]<<",";
	record<<"输出完毕"<<endl;
}

void PhaseSymbol::addSymbol(int temp)
{
	if(temp < NES_ES && temp != -1 )
		addNES(temp);
	else
		addES(temp);
}

int PhaseSymbol::testESExist(int temp)
{
	for( int i = 0 ; i < es_num ; i++)
	{
		if(es[i] == temp)
			return 1;
	}
	return 0;
}

int PhaseSymbol::testNESExist(int temp)
{
	for( int i = 0 ; i < nes_num ; i++)
		if( nes[i].symbol_name == temp)
			return 1;
	return 0;
}

void PhaseSymbol::addES(int temp)
{
	if(testESExist(temp) == 0)
	{
		es.push_back(temp);
		es_num++;
	}
}

void PhaseSymbol::addNES(int temp)
{
	if(testNESExist(temp) == 0 )
	{
		nes.push_back( *new NotEndSymbol(temp) );
		nes_num++;
	}
}