global.h

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/*
# This file is Copyright 2003, 2006, 2007, 2009 Dean Hall.
#
# This file is part of the PyMite VM.
# The PyMite VM is free software: you can redistribute it and/or modify
# it under the terms of the GNU GENERAL PUBLIC LICENSE Version 2.
#
# The PyMite VM is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# A copy of the GNU GENERAL PUBLIC LICENSE Version 2
# is seen in the file COPYING in this directory.
*/


#ifndef __GLOBAL_H__
#define __GLOBAL_H__


#define PM_PBUILTINS    (pPmObj_t)(gVmGlobal.builtins)

#define PM_NONE         (pPmObj_t)(gVmGlobal.pnone)

#define PM_FALSE        (pPmObj_t)(gVmGlobal.pfalse)

#define PM_TRUE         (pPmObj_t)(gVmGlobal.ptrue)

#define PM_ZERO         (pPmObj_t)(gVmGlobal.pzero)

#define PM_ONE          (pPmObj_t)(gVmGlobal.pone)

#define PM_NEGONE       (pPmObj_t)(gVmGlobal.pnegone)

#define PM_CODE_STR     (pPmObj_t)(gVmGlobal.pcodeStr)

#ifdef HAVE_CLASSES

#define PM_INIT_STR     (pPmObj_t)(gVmGlobal.pinitStr)
#endif /* HAVE_CLASSES */

#ifdef HAVE_GENERATORS

#define PM_GENERATOR_STR (pPmObj_t)(gVmGlobal.pgenStr)

#define PM_NEXT_STR (pPmObj_t)(gVmGlobal.pnextStr)
#endif /* HAVE_GENERATORS */

#ifdef HAVE_ASSERT

#define PM_EXCEPTION_STR (pPmObj_t)(gVmGlobal.pexnStr)
#endif /* HAVE_ASSERT */

typedef struct PmVmGlobal_s
{
    pPmObj_t pnone;

    pPmInt_t pzero;

    pPmInt_t pone;

    pPmInt_t pnegone;

    pPmInt_t pfalse;

    pPmInt_t ptrue;

    pPmString_t pcodeStr;

    pPmDict_t builtins;

    PmImgPaths_t imgPaths;

    PmNativeFrame_t nativeframe;

    uint8_t errVmRelease;

    uint8_t errFileId;

    uint16_t errLineNum;

    pPmList_t threadList;

    pPmThread_t pthread;

#ifdef HAVE_CLASSES
    /* NOTE: placing this field before the nativeframe field causes errors */
    pPmString_t pinitStr;
#endif /* HAVE_CLASSES */

#ifdef HAVE_GENERATORS

    pPmString_t pgenStr;
    pPmString_t pnextStr;
#endif /* HAVE_GENERATORS */

#ifdef HAVE_ASSERT

    pPmString_t pexnStr;
#endif /* HAVE_ASSERT */

    uint8_t reschedule;
} PmVmGlobal_t,
 *pPmVmGlobal_t;


extern volatile PmVmGlobal_t gVmGlobal;


PmReturn_t global_init(void);

PmReturn_t global_setBuiltins(pPmFunc_t pmod);

PmReturn_t global_loadBuiltins(void);

#endif /* __GLOBAL_H__ */