grammarapptest.cpp

来自「compiler principle how to ananilyze」· C++ 代码 · 共 87 行

// GrammarAppTest.cpp: implementation of the GrammarAppTest class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "GrammarAppTest.h"

#include "Parser.h"
#include "SymbolTable.h"

#include <iostream>
#include <fstream>
#include <string>
#include <assert.h>
using namespace std;


extern SymbolTable symbol_table;

GrammarAppTest::GrammarAppTest()
{

}

void GrammarAppTest::test_display() {

	cout << "please enter the file path (include name) of a grammar G[S]" << endl;
	string str;
	cin >> str;
	
	ifstream file;
	
	try {
		file.open(str.c_str());
	
		assert(file);

		Parser p;
		p.parse(&file);
	
		cout << p.grammar_display() << endl;
		cout << symbol_table.toStr() << endl;
	}
	catch(GException& ge) {

		cout << ge.toStr() << endl;
		
	}
	
	
	cout << "...close file... " << endl;
	file.close();

}

void GrammarAppTest::test_grammarType() {

	cout << "please enter the file path (include name) of a grammar G[S]" << endl;
	string str;
	cin >> str;
	
	ifstream file;
	
	try {
		file.open(str.c_str());
	
		assert(file);

		Parser p;
		p.parse(&file);
	
		cout << p.grammar_type() << endl;

		cout << p.grammar_display() << endl;
		cout << symbol_table.toStr() << endl;
		
	}
	catch(GException& ge) {

		cout << ge.toStr() << endl;
		
	}
	
	cout << "...close file... " << endl;
	file.close();

}