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    41 // Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>

    42 //

    43 // Permission is hereby granted, free of charge, to any person obtaining a copy

    44 // of this software and associated documentation files (the "Software"), to deal

    45 // in the Software without restriction, including without limitation the rights

    46 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

    47 // copies of the Software, and to permit persons to whom the Software is

    48 // furnished to do so, subject to the following conditions:

    49 //

    50 // The above copyright notice and this permission notice shall be included in

    51 // all copies or substantial portions of the Software.

    52 //

    53 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    54 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    55 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

    56 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    57 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

    58 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

    59 // THE SOFTWARE.

    60 

    61 #ifndef CPLUSPLUS_LITERALS_H

    62 #define CPLUSPLUS_LITERALS_H

    63 

    64 #include "CPlusPlusForwardDeclarations.h"

    65 #include "Token.h"

    66 

    67 

    68 namespace CPlusPlus {

    69 

    70 class CPLUSPLUS_EXPORT Literal

    71 {

    72     Literal(const Literal &other);

    73     void operator =(const Literal &other);

    74 

    75 public:

    76     typedef const char *iterator;

    77     typedef iterator const_iterator;

    78 

    79 public:

    80     Literal(const char *chars, unsigned size);

    81     virtual ~Literal();

    82 

    83     iterator begin() const;

    84     iterator end() const;

    85 

    86     char at(unsigned index) const;

    87     const char *chars() const;

    88     unsigned size() const;

    89 

    90     unsigned hashCode() const;

    91     static unsigned hashCode(const char *chars, unsigned size);

    92 

    93     bool isEqualTo(const Literal *other) const;

    94 

    95 private:

    96     char *_chars;

    97     unsigned _size;

    98     unsigned _hashCode;

    99 

   100 public:

   101     // ### private

   102     unsigned _index;

   103     Literal *_next;

   104 };

   105 

   106 class CPLUSPLUS_EXPORT StringLiteral: public Literal

   107 {

   108 public:

   109     StringLiteral(const char *chars, unsigned size);

   110     virtual ~StringLiteral();

   111 };

   112 

   113 class CPLUSPLUS_EXPORT NumericLiteral: public Literal

   114 {

   115 public:

   116     NumericLiteral(const char *chars, unsigned size);

   117     virtual ~NumericLiteral();

   118 

   119     bool isChar() const;

   120     bool isWideChar() const;

   121     bool isInt() const;

   122     bool isFloat() const;

   123     bool isDouble() const;

   124     bool isLongDouble() const;

   125     bool isLong() const;

   126     bool isLongLong() const;

   127 

   128     bool isUnsigned() const;

   129     bool isHex() const;

   130 

   131 private:

   132     struct Flags {

   133         unsigned _type      : 8;

   134         unsigned _isHex     : 1;

   135         unsigned _isUnsigned: 1;

   136     };

   137     union {

   138         unsigned _flags;

   139         Flags f;

   140     };

   141 };

   142 

   143 class CPLUSPLUS_EXPORT Identifier: public Literal

   144 {

   145 public:

   146     Identifier(const char *chars, unsigned size);

   147     virtual ~Identifier();

   148 };

   149 

   150 } // end of namespace CPlusPlus

   151 

   152 

   153 #endif // CPLUSPLUS_LITERALS_H