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Diffstat (limited to 'yylex.c')
| -rw-r--r-- | yylex.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/yylex.c b/yylex.c deleted file mode 100644 index f06e5e6..0000000 --- a/yylex.c +++ /dev/null @@ -1,211 +0,0 @@ -/* yylex - scanner front-end for flex */ - -/* Copyright (c) 1990 The Regents of the University of California. */ -/* All rights reserved. */ - -/* This code is derived from software contributed to Berkeley by */ -/* Vern Paxson. */ - -/* The United States Government has rights in this work pursuant */ -/* to contract no. DE-AC03-76SF00098 between the United States */ -/* Department of Energy and the University of California. */ - -/* This file is part of flex. */ - -/* Redistribution and use in source and binary forms, with or without */ -/* modification, are permitted provided that the following conditions */ -/* are met: */ - -/* 1. Redistributions of source code must retain the above copyright */ -/* notice, this list of conditions and the following disclaimer. */ -/* 2. Redistributions in binary form must reproduce the above copyright */ -/* notice, this list of conditions and the following disclaimer in the */ -/* documentation and/or other materials provided with the distribution. */ - -/* Neither the name of the University nor the names of its contributors */ -/* may be used to endorse or promote products derived from this software */ -/* without specific prior written permission. */ - -/* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR */ -/* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */ -/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */ -/* PURPOSE. */ - -#include <ctype.h> -#include "flexdef.h" -#include "parse.h" - - -/* yylex - scan for a regular expression token */ - -int yylex () -{ - int toktype; - static int beglin = false; - extern char *yytext; - - if (eofseen) - toktype = EOF; - else - toktype = flexscan (); - - if (toktype == EOF || toktype == 0) { - eofseen = 1; - - if (sectnum == 1) { - synerr (_("premature EOF")); - sectnum = 2; - toktype = SECTEND; - } - - else - toktype = 0; - } - - if (trace) { - if (beglin) { - fprintf (stderr, "%d\t", num_rules + 1); - beglin = 0; - } - - switch (toktype) { - case '<': - case '>': - case '^': - case '$': - case '"': - case '[': - case ']': - case '{': - case '}': - case '|': - case '(': - case ')': - case '-': - case '/': - case '\\': - case '?': - case '.': - case '*': - case '+': - case ',': - (void) putc (toktype, stderr); - break; - - case '\n': - (void) putc ('\n', stderr); - - if (sectnum == 2) - beglin = 1; - - break; - - case SCDECL: - fputs ("%s", stderr); - break; - - case XSCDECL: - fputs ("%x", stderr); - break; - - case SECTEND: - fputs ("%%\n", stderr); - - /* We set beglin to be true so we'll start - * writing out numbers as we echo rules. - * flexscan() has already assigned sectnum. - */ - if (sectnum == 2) - beglin = 1; - - break; - - case NAME: - fprintf (stderr, "'%s'", nmstr); - break; - - case CHAR: - switch (yylval) { - case '<': - case '>': - case '^': - case '$': - case '"': - case '[': - case ']': - case '{': - case '}': - case '|': - case '(': - case ')': - case '-': - case '/': - case '\\': - case '?': - case '.': - case '*': - case '+': - case ',': - fprintf (stderr, "\\%c", yylval); - break; - - default: - if (!isascii (yylval) || !isprint (yylval)) - fprintf (stderr, - "\\%.3o", - (unsigned int) yylval); - else - (void) putc (yylval, stderr); - break; - } - - break; - - case NUMBER: - fprintf (stderr, "%d", yylval); - break; - - case PREVCCL: - fprintf (stderr, "[%d]", yylval); - break; - - case EOF_OP: - fprintf (stderr, "<<EOF>>"); - break; - - case OPTION_OP: - fprintf (stderr, "%s ", yytext); - break; - - case OPT_OUTFILE: - case OPT_PREFIX: - case CCE_ALNUM: - case CCE_ALPHA: - case CCE_BLANK: - case CCE_CNTRL: - case CCE_DIGIT: - case CCE_GRAPH: - case CCE_LOWER: - case CCE_PRINT: - case CCE_PUNCT: - case CCE_SPACE: - case CCE_UPPER: - case CCE_XDIGIT: - fprintf (stderr, "%s", yytext); - break; - - case 0: - fprintf (stderr, _("End Marker\n")); - break; - - default: - fprintf (stderr, - _ - ("*Something Weird* - tok: %d val: %d\n"), - toktype, yylval); - break; - } - } - - return toktype; -} |