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//
// scanner.h
//

#if !defined(__SCANNER_H)
#define __SCANNER_H 1

#define MAX_SYMBOL_NAME_LEN 128
#define MAX_STRING_LEN 512

// Not really atom table stuff but needed first...

typedef struct SourceLoc_Rec {
    unsigned short file, line;
} SourceLoc;

int yyparse (void);

void yyerror(const char *s);
int yylex(void);

typedef struct InputSrc {
    struct InputSrc	*prev;
    int			(*scan)(struct InputSrc *);
    int			(*getch)(struct InputSrc *);
    void		(*ungetch)(struct InputSrc *, int);
    int			name;  /* atom */
    int			line;
} InputSrc;

int InitScanner(CgStruct *Cg);
int FreeScanner(CgStruct *Cg);
int SetInputFile(const char *fname);
int ScanFromString(char *);
int scan_include_name(void);

void SemanticParseError(SourceLoc *loc, int num, const char *mess, ...);
void SemanticError(SourceLoc *loc, int num, const char *mess, ...);
void InternalError(SourceLoc *loc, int num, const char *mess, ...);
void SemanticWarning(SourceLoc *loc, int num, const char *mess, ...);
void InformationalNotice(SourceLoc *loc, int num, const char *mess, ...);
void FatalError(const char *mess, ...);

int GetErrorCount(void);

#endif // !(defined(__SCANNER_H)