lua_driver.cc

#include <iostream>
#include <fstream>
#include <string>
#include <assert.h>

#include "parser.hpp"

#include "lua_driver.hh"

lua_driver::~lua_driver () {
	for(auto p : expressionNodes) {
		delete p;
	}
	expressionNodes.clear();
}

void lua_driver::error (const yy::location& l, const std::string& m) {
	std::cout << "error: " << l << ": " << m << std::endl;
}

void lua_driver::error (const std::string& m) {
	std::cout << "error: " << m << std::endl;
}

int lua_driver::parse (const std::string& f) {

	std::ifstream in_file( f.c_str() );
	if( ! in_file.good() ) exit( EXIT_FAILURE );
	scanner.reset( new Scanner( &in_file ) );

	/* check to see if its initialized */
	assert( scanner != nullptr );
	parser.reset(new yy::parser( *scanner, *this ) );
	// parser->set_debug_level(7);

	assert( parser != nullptr );
	if( parser->parse() )
	{
	   std::cerr << "Parse failed!!\n";
	}
	return 0;
}

void lua_driver::addNode(Node *n) {
	n->setLocation(scanner->lineno());
	expressionNodes.push_back(n);
}

const std::vector<Node *> lua_driver::getNodes() const {
	return scanner->getNodes();
}

void lua_driver::setRootNode(Node *rootNode) {
	this->rootNode = rootNode;
}

Node *lua_driver::getRootNode() {
	return rootNode;
}

const std::vector<Node *> Scanner::getNodes() const {
	return nodes;
}

void Scanner::addAndAssinNode(Node *n) {
	yylval->node = n;
	n->setLocation(lineno());
	nodes.push_back(n);
}

Scanner::~Scanner() {
	for(auto p : nodes) {
		delete p;
	}
	nodes.clear();
}