trunk/ascxx/symchar.h

#ifndef ASCXX_SYMCHAR_H
#define ASCXX_SYMCHAR_H

#include <iostream>
#include <string>

#include "config.h"
extern "C"{
#include <ascend/general/platform.h>
#include <ascend/compiler/compiler.h>
#include <ascend/compiler/symtab.h>
#include <ascend/compiler/instance_name.h>
}

/**
    A container for ASCEND strings, used to ensure
    that two identical strings created via the SymChar interface
    will only be stored once in memory, and can be tested for
    equality using pointer comparison alone.

     @TODO @bug FIXME There is a problem with the calling conventions of char * and symchar*
     -- C++ can't tell which one you're trying to use.
*/
class SymChar{
private:
    const symchar *sc;
public:
    //SymChar();
    SymChar(const std::string &name);
    SymChar(const char *name);
    SymChar(const symchar *name); // never gets used
    SymChar(const SymChar &);
    SymChar(const struct InstanceName &);
    bool operator==(const SymChar &) const;
    bool operator<(const SymChar &) const;

    const char *toString() const;
    const symchar *getInternalType() const;
};

std::ostream& operator << (std::ostream& os, const SymChar& s);

#endif
1	johnpye	132	#ifndef ASCXX_SYMCHAR_H
2	johnpye	480	#define ASCXX_SYMCHAR_H
3	johnpye	132
4			#include <iostream>
5			#include <string>
6
7	johnpye	480	#include "config.h"
8	johnpye	132	extern "C"{
9	jpye	2323	#include <ascend/general/platform.h>
10	jpye	2018	#include <ascend/compiler/compiler.h>
11			#include <ascend/compiler/symtab.h>
12			#include <ascend/compiler/instance_name.h>
13	johnpye	132	}
14
15			/**
16			A container for ASCEND strings, used to ensure
17			that two identical strings created via the SymChar interface
18			will only be stored once in memory, and can be tested for
19			equality using pointer comparison alone.
20
21			@TODO @bug FIXME There is a problem with the calling conventions of char * and symchar*
22			-- C++ can't tell which one you're trying to use.
23			*/
24			class SymChar{
25			private:
26			const symchar *sc;
27			public:
28			//SymChar();
29			SymChar(const std::string &name);
30			SymChar(const char *name);
31			SymChar(const symchar *name); // never gets used
32			SymChar(const SymChar &);
33			SymChar(const struct InstanceName &);
34			bool operator==(const SymChar &) const;
35	jpye	1699	bool operator<(const SymChar &) const;
36	johnpye	132
37			const char *toString() const;
38			const symchar *getInternalType() const;
39			};
40
41			std::ostream& operator << (std::ostream& os, const SymChar& s);
42
43			#endif