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//
// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#include "Token.h"
#include "token_type.h"
static const int kLocationLineSize = 16; // in bits.
static const int kLocationLineMask = (1 << kLocationLineSize) - 1;
namespace pp
{
Token::Location Token::encodeLocation(int line, int file)
{
return (file << kLocationLineSize) | (line & kLocationLineMask);
}
void Token::decodeLocation(Location loc, int* line, int* file)
{
if (file) *file = loc >> kLocationLineSize;
if (line) *line = loc & kLocationLineMask;
}
Token::Token(Location location, int type, std::string* value)
: mLocation(location),
mType(type),
mValue(value)
{
}
Token::~Token() {
delete mValue;
}
std::ostream& operator<<(std::ostream& out, const Token& token)
{
switch (token.type())
{
case INT_CONSTANT:
case FLOAT_CONSTANT:
case IDENTIFIER:
out << *(token.value());
break;
default:
out << static_cast<char>(token.type());
break;
}
return out;
}
} // namespace pp
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