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#ifndef _TYPES_H

#define _TYPES_H

class Arg

{

public:

        std::string text;

public:

        void Get();

        void Clear();

};

class Arglist

{

public:

        int count;

        Arg args[20];

public:

        void Get();

};

class Macro

{

public:

        static int inst;

        char *body;     // template for macro body

        Arglist parms;

public:

        char *SubArgs(Arglist *al);

        //char *GetArg();

        char *GetBody();

        int GetParmList();

        static void Substitute(char *, int);

};

class FileInfo

{

public:

        std::string name;

        int lineno;

};

class FilenameStack

{

public:

        FileInfo stack[21];

        int sp;

public:

        FilenameStack() { sp = 0; };

        void Push(std::string nm, int ln) {

                if (sp > 20) {

                        printf("Too many nested files.\n");

                        return;

                }

                stack[sp].name = nm;

                stack[sp].lineno = ln;

                sp++;

        }

        void Pop(std::string *nm, int *ln) {

                if (sp == 0) {

                        printf("Filename stack underflow.\n");

                        return;

                }

                --sp;

                *nm = stack[sp].name;

                *ln = stack[sp].lineno;

        }

        FileInfo *GetTos() {

                return (&stack[sp - 1]);

        }

};

#endif