minicc.cpp


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#include "bnf.h"
#include "lexer.h"
#include "grammer.h"
#include "minicc.h"

#include <boost/algorithm/string.hpp>
#include <boost/endian/conversion.hpp>

#include <algorithm>
#include <cctype>
#include <deque>
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>

using namespace std::string_literals;

std::vector<std::string> split(std::string s)
{
 std::vector<std::string> result;
 boost::algorithm::split(result, s, boost::algorithm::is_any_of(s), boost::algorithm::token_compress_on);
 while (result.size() > 0 && result.back() == ""s)
  result.pop_back();
 return result;
}

bool operator==(const Location &a, const Location &b)
{
 return (a.line == b.line && a.column == b.column);
}

bool operator==(const Token &a, const Token &b)
{
 return (a.type == b.type && a.value == b.value && a.location == b.location);
}

std::ostream& operator<<(std::ostream& os, const Token& token) {
 return os << token.type << ": " << token.value << "(" << token.location.line << ":" << token.location.column << ")";
}

void Location::advance(bool newline)
{
 pos++;
 if (newline) {
  line++;
  column = 1;
 } else {
  column++;
 }
}

std::string Location::toString() const
{
 return std::to_string(line) + ":"s + std::to_string(column);
}

std::string Token::toString() const
{
 return location.toString() + ": "s + value + " ("s + type + ")"s;
}

std::string demangle(const std::type_info& type)
{
 return boost::core::demangle(type.name());
}

std::vector<uint8_t> to_little_endian(uint32_t value)
{
 std::vector<uint8_t> result(size_t(4));
 *(reinterpret_cast<uint32_t*>(result.data())) = boost::endian::native_to_little(value);
 return result;
}

uint32_t from_little_endian(const std::vector<uint8_t>& value)
{
 return boost::endian::little_to_native(*(reinterpret_cast<const uint32_t*>(value.data())));
}