#ifndef COMPILER_CPREP_H
#define COMPILER_CPREP_H

#include "compiler/common.h"
#include "compiler/tokens.h"

#ifdef __MWERKS__
#pragma options align=mac68k
#endif

typedef struct Macro {
    struct Macro *next;
    HashNameNode *name;
    void *c;
    unsigned short xC;
    Boolean is_special;
    Boolean xF;
    void *e;
} Macro;
typedef struct TokenStack {
    char *pos;
    char *macrostart;
    Macro *macro;
    Boolean macrocheck;
} TokenStack;

//#define OPT_OFFSET(optname) ((short) (((char *) (&copts.optname)) - ((char *) &copts)))
#define OPT_OFFSET(optname) ((short) ( &((COpts *)0)->optname ))
enum {
    OPT_OFFSET_MASK = 0x1FFF,
    OPT_FLAG_2000 = 0x2000,
    OPT_FLAG_4000 = 0x4000,
    OPT_FLAG_8000 = 0x8000
};

extern CParams *cparamblkptr;
extern short tk;
extern CInt64 tkintconst;
extern Float tkfloatconst;
extern char *tkstring;
extern HashNameNode *tkidentifier;
extern SInt32 tksize;
extern short ispascalstring;
extern short nlflag;
extern SInt32 lines;
extern Boolean spaceskip;
extern struct Macro **macrohashtable;
extern Boolean cprep_nomem_exit;
extern Boolean cprep_nostring;
extern Boolean cprep_eoltokens;
extern TokenStack tokenstack[128];
extern short tokenstacklevel;
extern CPrepFileInfo *cprep_cursymfile;
extern char *pos;
extern char *macropos;
extern char *nextcharpos;
extern unsigned char CPrep_SkipNewCommentChar;
extern Boolean preprocessing_only;
extern Handle stringmem;
extern SInt32 maxstringsize;
extern char cprep_idarray[256];
extern Boolean was_escchar;
extern Boolean macrocheck;
extern Boolean widestring;
extern Boolean at_linestart;
extern char *prep_file_start;
extern char *prep_file_end;
extern char *macrostart;
extern Boolean cprep_strconcat;
extern CPrepFileInfo *prep_file;
extern short filesp;
extern SInt32 linenumber;
extern struct GList pplist;
extern TStreamElement *ts_current;
extern SInt32 ts_preread_elements;

extern void CPrep_InsertSpecialMacro(Macro *macro, char *name);
extern void CPrep_InsertSpecialMacros(void);
extern void CPrep_RemoveSpecialMacros(void);
extern Boolean setupprep(void);
extern void cleanupprep(void);
extern void CPrep_TSBufferGrow(int amount);
// this is actually an arg of `PrepState *`
extern void CPrep_TokenStreamGetState(SInt32 *state);
// this is actually an arg of `const PrepState *`
extern void CPrep_TokenStreamSetState(SInt32 *state);
extern void CPrep_UnLex(void);
// this is actually an arg of `const PrepState *`
extern void CPrep_TokenStreamSetCurState(SInt32 *state);
typedef void (*CPrepStreamFuncPtr)(TStreamElement *);
extern void CPrep_StreamGetBlock(TStream *stream, CPrepStreamFuncPtr func, int arg);
extern void CPrep_StreamGetSemicolon(TStream *stream, CPrepStreamFuncPtr func);
extern void CPrep_StreamGetTemplate(TStream *stream, CPrepStreamFuncPtr func);
extern void CPrep_StreamInsert(TStream *stream, SInt32 *state);
extern void CPrep_StreamRemove(TStream *stream, SInt32 *state);
extern void CPrep_RemoveTokens(SInt32 amount);
extern void CPrep_TokenStreamFlush(void);
extern TStreamElement *CPrep_CurStreamElement(void);
extern void CPrep_GetTokenContext(TStreamElement *token, CPrepFileInfo **tokenfile, SInt32 *selectionoffset, short *tokensize, SInt32 *linenumber, char *buf1, short *tokenoffset, short *tokenlength, char *buf2, short *lastarg);
extern void CPrep_Error(short code);
extern void CPrep_ErrorName(short code, const char *name);
extern void CPrep_Warning(short code);
extern void CPrep_WarningName(short code, const char *name);
extern void CPrep_ErrorMessage(int errTable, char *str, Boolean flag1, Boolean flag2);
extern void CPrep_ErrorMessageVA(int code, const char *format, va_list list, Boolean flag1, Boolean flag2);
extern void popfile(void);
extern void CPrep_SetSourceFile(FileOffsetInfo *foi);
extern HashNameNode *CPrep_GetSourceFilePath(CPrepFileInfo *fileinfo);
extern void CPrep_NewFileOffsetInfo(FileOffsetInfo *foi, TStreamElement *ts);
extern SInt32 CPrep_GetFileOffsetInfo(FileOffsetInfo *foi);
extern void CPrep_GetFileOffsetInfo2(FileOffsetInfo *foi, SInt32 *pLine, HashNameNode **pName);
extern void CPrep_ResetFileInfo(FileOffsetInfo *foi);
extern void CPrep_GetPrepPos(CPrepFileInfo **file, SInt32 *ppos);
extern UInt8 C_Compiler(CParams *param);
extern void poptokenseq(void);
extern void foundnl(void);
extern void newline(void);
extern short notendofline(void);
extern char *CPrep_GetFileName(char *buffer, Boolean flag1, Boolean flag2);
extern Boolean macrotest(void);
extern short CPrep_PragmaLex(Boolean no_err);
extern void CPrep_PushOption(SInt32 id, char value);
extern void CPrep_PopOption(SInt32 id);
extern void preprocessor(void);
extern SInt32 CPrep_BrowserTokenOffset(FileOffsetInfo *foi);
extern SInt32 CPrep_BrowserFileOffset(void);
extern void CPrep_BrowserFilePosition(CPrepFileInfo **fileinfo, SInt32 *offset);
extern CPrepFileInfo *CPrep_BrowserCurrentFile(void);

#ifdef __MWERKS__
#pragma options align=reset
#endif

#endif