main.cpp

基于ANTLR的简单编译器源码version0.1

#include <iostream>
#include <fstream>
#include <string>
#include <antlr/AST.hpp>
#include "Datalexer.hpp"
#include "DataParser.hpp"
#include "DataASTParser.hpp"
#include "data_type.h"

int main( int argc, char* argv[] )
{
	ANTLR_USING_NAMESPACE(std);
	ANTLR_USING_NAMESPACE(antlr);
	cout<<"start compile the test.in file:  \n";	
	try
	{
		ifstream fin("test.in");
    	Datalexer lexer(fin);
    	DataParser parser(lexer);	
		ASTFactory ast_factory("ASTNodeExt", ASTNodeExt::factory);
		parser.initializeASTFactory(ast_factory);
		parser.setASTFactory(&ast_factory);
		parser.program();
		RefASTNodeExt t = parser.getAST();
		if( t )
		{
			// 打印抽象语法树
			cout<<"抽象语法树：\n";
			cout << t->toStringTree() << endl;
			ofstream fout("test.out");
			fout<<t->toStringTree()<<endl;
			DataASTParser astParser;
			astParser.program(t);

		}
		else
		{
			cout<<"no tree builded!\n";
		}
	}
	catch (CompilerException& e) 
	{
		cerr <<"抽象语法树遍历，生成中间代码时发生错误："<<  e.what() << endl;
	}
	catch(ANTLRException& e)
	{
		cerr << "语法错误：" << e.toString() << endl;		
	}
	catch(exception& e)
	{
		cerr << "编译程序错误" << e.what() << endl;		
	}
	getchar();
	return 0;
}