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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "lexer_tokens.hpp"
#include <iostream>
#include <sstream>
#include <algorithm>
using namespace std;
namespace ixion {
std::string print_tokens(const lexer_tokens_t& tokens, bool verbose)
{
std::ostringstream os;
for (const auto& t : tokens)
{
if (verbose)
os << "(" << get_opcode_name(t.opcode) << ")'" << t << "' ";
else
os << t;
}
return os.str();
}
const char* get_opcode_name(lexer_opcode_t oc)
{
switch (oc)
{
case lexer_opcode_t::value:
return "value";
case lexer_opcode_t::string:
return "string";
case lexer_opcode_t::name:
return "name";
case lexer_opcode_t::divide:
return "divide";
case lexer_opcode_t::minus:
return "minus";
case lexer_opcode_t::multiply:
return "multiply";
case lexer_opcode_t::exponent:
return "exponent";
case lexer_opcode_t::concat:
return "concat";
case lexer_opcode_t::equal:
return "equal";
case lexer_opcode_t::less:
return "less";
case lexer_opcode_t::greater:
return "greater";
case lexer_opcode_t::plus:
return "plus";
case lexer_opcode_t::open:
return "open";
case lexer_opcode_t::close:
return "close";
case lexer_opcode_t::sep:
return "sep";
case lexer_opcode_t::array_row_sep:
return "array-row-sep";
case lexer_opcode_t::array_open:
return "array-open";
case lexer_opcode_t::array_close:
return "array-close";
}
return "";
}
lexer_token::lexer_token(lexer_opcode_t _opcode) :
opcode(_opcode)
{
}
lexer_token::lexer_token(lexer_opcode_t _opcode, std::string_view _value) :
opcode(_opcode), value(_value)
{
}
lexer_token::lexer_token(double _value) :
opcode(lexer_opcode_t::value), value(_value)
{
}
std::ostream& operator<<(std::ostream& os, const lexer_token& t)
{
switch (t.opcode)
{
case lexer_opcode_t::plus:
os << '+';
break;
case lexer_opcode_t::minus:
os << '-';
break;
case lexer_opcode_t::divide:
os << '/';
break;
case lexer_opcode_t::multiply:
os << '*';
break;
case lexer_opcode_t::exponent:
os << '^';
break;
case lexer_opcode_t::concat:
os << '&';
break;
case lexer_opcode_t::equal:
os << '=';
break;
case lexer_opcode_t::less:
os << '<';
break;
case lexer_opcode_t::greater:
os << '>';
break;
case lexer_opcode_t::open:
os << '(';
break;
case lexer_opcode_t::close:
os << ')';
break;
case lexer_opcode_t::array_open:
os << '{';
break;
case lexer_opcode_t::array_close:
os << '}';
break;
case lexer_opcode_t::sep:
os << ',';
break;
case lexer_opcode_t::array_row_sep:
os << ';';
break;
case lexer_opcode_t::name:
case lexer_opcode_t::string:
os << std::get<std::string_view>(t.value);
break;
case lexer_opcode_t::value:
os << std::get<double>(t.value);
break;
}
return os;
}
} // namespace ixion
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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