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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#pragma once
#include "CPlusPlusForwardDeclarations.h"
#include "Token.h"
#include "Name.h"
namespace CPlusPlus {
class CPLUSPLUS_EXPORT Literal
{
Literal(const Literal &other);
void operator =(const Literal &other);
public:
typedef const char *iterator;
typedef iterator const_iterator;
public:
Literal(const char *chars, int size);
virtual ~Literal();
iterator begin() const { return _chars; }
iterator end() const { return _chars + _size; }
char at(int index) const { return _chars[index]; }
const char *chars() const { return _chars; }
int size() const { return _size; }
unsigned hashCode() const { return _hashCode; }
static unsigned hashCode(const char *chars, unsigned size);
bool equalTo(const Literal *other) const;
Literal *_next; // ## private
private:
char *_chars;
unsigned _size;
unsigned _hashCode;
public:
unsigned _index; // ### private
};
class CPLUSPLUS_EXPORT StringLiteral: public Literal
{
public:
StringLiteral(const char *chars, unsigned size)
: Literal(chars, size)
{ }
};
class CPLUSPLUS_EXPORT NumericLiteral: public Literal
{
public:
NumericLiteral(const char *chars, int size);
enum {
NumericLiteralIsInt,
NumericLiteralIsFloat,
NumericLiteralIsDouble,
NumericLiteralIsLongDouble,
NumericLiteralIsLong,
NumericLiteralIsLongLong
};
bool isInt() const { return f._type == NumericLiteralIsInt; }
bool isFloat() const { return f._type == NumericLiteralIsFloat; }
bool isDouble() const { return f._type == NumericLiteralIsDouble; }
bool isLongDouble() const { return f._type == NumericLiteralIsLongDouble; }
bool isLong() const { return f._type == NumericLiteralIsLong; }
bool isLongLong() const { return f._type == NumericLiteralIsLongLong; }
bool isUnsigned() const { return f._isUnsigned; }
bool isHex() const { return f._isHex; }
private:
struct Flags {
unsigned _type : 8;
unsigned _isHex : 1;
unsigned _isUnsigned: 1;
};
union {
unsigned _flags;
Flags f;
};
};
class CPLUSPLUS_EXPORT Identifier final : public Literal, public Name
{
public:
Identifier(const char *chars, int size)
: Literal(chars, size)
{ }
const Identifier *identifier() const override { return this; }
const Identifier *asNameId() const override { return this; }
protected:
void accept0(NameVisitor *visitor) const override;
bool match0(const Name *otherName, Matcher *matcher) const override;
};
} // namespace CPlusPlus
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