s4g_preprocessor.h

См. документацию.

/*
Copyright © Vitaliy Buturlin, Evgeny Danilovich, 2017
license MIT see in LICENSE or
https://s4g.su/
*/

#ifndef s4g_preprocessor_h
#define s4g_preprocessor_h

#include <common/sxtypes.h>
#include <common/string.h>
#include <common/array.h>
#include <common/assotiativearray.h>

class s4g_Preprocessor
{
public:

    bool isDefined(const String & def);
    void define(const char * def, int len = 0, bool bTemp = false);
    void undef(const String & def);
    void addIncPath(const String & s);

    String process(const char * src, const char * file=0);

    void undefTemp();

    const char * getError();
    bool isError();

protected:
    struct _define
    {
        Array<String> vArgs;
        bool isMacro;
        String sVal;
        bool isUndef;
        bool isTemp;
    };
    struct _include_path
    {
        String sPath;
    };
    struct _include
    {
        String sText;
        String sPath;
    };
    AssotiativeArray<String, _define> m_mDefs;
    Array<_include_path> m_vIncludes;
    AssotiativeArray<String, _include> m_mIncludes;

    String m_sError;

    
    bool isTrue(const String & expr);
    

    typedef AssotiativeArray<String, bool> ReplList;

    String makeExpansion(const String & expr);
    String makeExpansion(const String & expr, ReplList & rlist);

    String replArgs(const String & tok, const _define * pDef, const Array<String> & szArgs);

    String checkDefines(const String & expr);

    String stringify(const String & expr);

    String getInclude(const String & name, String * path = 0);
};


#endif