parser-enabled program required #includes

hpp.hpp

#ifndef _H_HPP
#define _H_HPP
						// required includes
#include <iostream>
#include <cstdlib>
#include <vector>
#include <map>
using namespace std;
#include "meta.hpp"
						// algebraic data type (base class)
struct Sym {
	string tag;				// item class/type/tag
	string val;				// item value (can be any type in inherited classes + head() overloaded)
 	Sym(string,string);			// tag:value constructor
	Sym(string);				// lexer constructor (see TAG() macro)
	vector<Sym*> nest; void push(Sym*);	// Sym object can store <nested elements>
	virtual string dump(int=0);		// \ dump Sym object in nested tree form
	virtual string head();			// <T:V> header
	string pad(int);			// / tree padding function
}

extern map<string,Sym*> glob;			// global symbol table
extern void glob_init();
						// lexer/parser interface
extern int yylex();
extern int yylineno;
extern char* yytext;
#define TOC(C,X) { yylval.o = new C(yytext); return X; }
extern int yyparse();
extern void yyerror(string);
#include "ypp.tab.hpp"

#endif // _H_HPP