/* $NetBSD: lex_var.h,v 1.1.1.2 2012/07/22 13:44:58 darrenr Exp $ */ /* * Copyright (C) 2012 by Darren Reed. * * See the IPFILTER.LICENCE file for details on licencing. */ extern long string_start; extern long string_end; extern char *string_val; extern long pos; #define YY_INPUT(buf, result, max_size) \ if (pos >= string_start && pos <= string_end) { \ buf[0] = string_val[pos - string_start]; \ pos++; \ result = 1; \ } else if ( yy_current_buffer->yy_is_interactive ) \ { \ int c = '*', n; \ for ( n = 0; n < 1 && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ if ( c == '\n' ) \ buf[n++] = (char) c; \ if ( c == EOF && ferror( yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ result = n; \ pos++; \ } \ else if ( ((result = fread( buf, 1, 1, yyin )) == 0) \ && ferror( yyin ) ) \ YY_FATAL_ERROR( "input in flex scanner failed" ); #ifdef input # undef input # define input() (((pos >= string_start) && (pos < string_end)) ? \ yysptr = yysbuf, string_val[pos++ - string_start] : \ ((yytchar = yysptr > yysbuf ? U(*--yysptr) : \ getc(yyin)) == 10 ? (pos++, yylineno++, yytchar) : \ yytchar) == EOF ? (pos++, 0) : (pos++, yytchar)) #endif #ifdef lex_input # undef lex_input # define lex_input() (((pos >= string_start) && (pos < string_end)) ? \ yysptr = yysbuf, string_val[pos++ - string_start] : \ ((yytchar = yysptr > yysbuf ? U(*--yysptr) : \ getc(yyin)) == 10 ? (pos++, yylineno++, yytchar) : \ yytchar) == EOF ? (pos++, 0) : (pos++, yytchar)) #endif #ifdef unput # undef unput # define unput(c) { if (pos > 0) pos--; \ yytchar = (c); if (yytchar == '\n') yylineno--; \ *yysptr++ = yytchar; } #endif