lyutils.h

// $Id: lyutils.h,v 1.6 2017-10-05 16:39:39-07 - - $

#ifndef __UTILS_H__
#define __UTILS_H__

// Lex and Yacc interface utility.

#include <string>
#include <vector>
using namespace std;

#include <stdio.h>

#include "astree.h"
#include "auxlib.h"

#define YYEOF 0

extern FILE *yyin;
extern char *yytext;
extern int yy_flex_debug;
extern int yydebug;
//extern size_t yyleng;
extern int yyleng;

int yylex();
int yylex_destroy();
int yyparse();
void yyerror(const char *message);
int yylval_token(int symbol);

void printFormattedDirective(size_t linenr, const string &filename);
void printFormattedToken(const astree &tree);

struct lexer {
  static bool interactive;
  static location lloc;
  static size_t last_yyleng;
  static vector<string> filenames;
  static FILE *tokenFile;
  static const string *filename(size_t filenr);
  static void newfilename(const string &filename);
  static void advance();
  static void newline();
  static void badchar(unsigned char bad);
  static void badtoken(char *lexeme);
  static void include();
};

struct parser {
  static astree *root;
  static const char *get_tname(int symbol);
};

#define YYSTYPE_IS_DECLARED
typedef astree *YYSTYPE;
#include "yyparse.h"

#endif