gmt-makemap/include/parser.h

#ifndef PARSER_PARSER_H
#define PARSER_PARSER_H
#include <string>
#include <stack>
#include <stdio.h>

// State of lexical parser (filename and position in file)
struct lexical_state
{
 std::string filename,curdir;
 unsigned int inclevel;
 unsigned int curline,curpos,curoffset;
};

// Container for "static" parameters of lexical parser
struct lexical_extra
{
 struct lexical_state state;
 unsigned int maxinclevel;
 int retcode;
 std::stack<FILE*> fds;
 std::stack<struct lexical_state> states;
 ~lexical_extra()
 {
  while(fds.size()!=0) {fclose(fds.top()); fds.pop();} while(states.size()!=0) states.pop();
 }
 void ParsePath(const std::string& path)
 {
  // !!!NONPORTABLE!!!
  if('/'==path[0]) state.curdir=path.substr(0,path.rfind('/')+1);                             // absolute path
  else if(std::string::npos!=path.rfind('/')) state.curdir+=path.substr(0,path.rfind('/')+1); // relative path
  state.filename=path.substr((path.rfind('/')!=std::string::npos)?(path.rfind('/')+1):0,std::string::npos);
 }
};

// Bison location
struct grammatic_location
{
  int first_line;
  int first_column;
  int last_line;
  int last_column;
  std::string filename;
};

#if !defined CONFLTYPE && !defined CONFLTYPE_IS_DECLARED
typedef struct grammatic_location CONFLTYPE;
#define CONFLTYPE_IS_DECLARED 1
#endif

#endif