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/*
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* CvsGraph graphical representation generator of brances and revisions
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* of a file in cvs/rcs.
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*
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* Copyright (C) 2001 B. Stultiens
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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%x xSTR
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%x xID
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%x xSYM
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%x xSKIP
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%x xSKIPSTR
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%{
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "utils.h"
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#include "readconf.h"
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#include "rcs.h"
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#include "rcs.tab.h"
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#define SKIP_DELTATEXT 1
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static void reset_str(void);
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static void add_str(const char *s, int l);
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static char *get_str(void);
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static int skip_string = 0;
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#define YY_NO_UNPUT 1
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%}
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ws [\b\t\v\f\r ]
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num [0-9.]+
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digit [0-9]
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idchar [!-#%-+\-/<-?A-~\240-\377]
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special [$,.:;@]
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%%
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/* RCS keywords */
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head return tHEAD;
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branch return tBRANCH;
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access return tACCESS;
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symbols return tSYMBOLS;
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locks return tLOCKS;
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strict return tSTRICT;
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comment return tCOMMENT;
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expand return tEXPAND;
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date return tDATE;
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author return tAUTHOR;
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state return tSTATE;
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branches return tBRANCHES;
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next return tNEXT;
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desc return tDESC;
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log return tLOG;
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text return tTEXT;
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/* CVS extensions */
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owner return tOWNER;
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group return tGROUP;
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permissions return tPERMISSIONS;
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special return tSPECIAL;
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symlnk return tSYMLINK;
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hardlinks return tHARDLINKS;
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/* Other known extensions */
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namespace return tNAMESPACE;
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dead return tDEAD;
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/* Here come any other 'newphrase' constructs */
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{num}?{idchar}({idchar}|{num})* {
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rcslval.str = xstrdup(rcstext);
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return tNEWPHRASE;
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}
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/* Special rules for skipping everything after a 'newphrase' part */
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<xSKIP>[^;@\n]+ ;
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<xSKIP>\n line_number++;
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<xSKIP>@ BEGIN(xSKIPSTR);
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<xSKIP>; BEGIN(INITIAL); return *rcstext;
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<xSKIPSTR>[^\n@]+ ;
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<xSKIPSTR>\n line_number++;
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<xSKIPSTR>@@ ;
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<xSKIPSTR>@ BEGIN(xSKIP);
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{num} rcslval.str = xstrdup(rcstext); return tREV;
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[:;$] return *rcstext;
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<xID>{ws}+ ;
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<xID>\n line_number++;
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<xID>{special} BEGIN(INITIAL); return *rcstext;
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<xID>{num}?{idchar}({idchar}|{num})* {
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rcslval.str = xstrdup(rcstext);
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BEGIN(INITIAL);
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return tID;
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}
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<xSYM>{ws}+ ;
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<xSYM>\n line_number++;
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<xSYM>{special} BEGIN(INITIAL); return *rcstext;
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<xSYM>{digit}*{idchar}({idchar}|{digit})* {
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rcslval.str = xstrdup(rcstext);
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BEGIN(INITIAL);
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return tSYM;
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}
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@ reset_str(); BEGIN(xSTR);
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<xSTR>[^@\n]+ add_str(rcstext, rcsleng);
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<xSTR>\n line_number++; add_str(rcstext, rcsleng);
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<xSTR>@@ add_str(rcstext, 1);
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<xSTR>@ rcslval.str = get_str(); BEGIN(INITIAL); skip_string = 0; return tSTRING;
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{ws}+ ; /* Ignore whitespace */
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\n line_number++;
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. rcserror("Unknown char/unmatched text '%c' (0x%02x)", isprint(*rcstext) ? *rcstext : ' ', *rcstext);
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%%
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int rcswrap(void)
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{
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return 1;
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}
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void set_id(void)
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{
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BEGIN(xID);
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}
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void set_sym(void)
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{
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BEGIN(xSYM);
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}
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void set_skip(void)
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{
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BEGIN(xSKIP);
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}
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void set_skipstr(void)
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{
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skip_string = 1;
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}
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#define STRALLOCSIZE 256
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static char *str;
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static int nstr;
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static int nastr;
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static void reset_str(void)
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{
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nstr = 0;
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}
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static void add_str(const char *s, int l)
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{
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#ifdef SKIP_DELTATEXT
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if(skip_string)
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return;
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#endif
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if(nstr + l + 1 > nastr)
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{
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str = xrealloc(str, nastr+STRALLOCSIZE);
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nastr += STRALLOCSIZE;
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}
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memcpy(str+nstr, s, l);
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nstr += l;
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}
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static char *get_str(void)
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{
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#ifdef SKIP_DELTATEXT
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if(skip_string)
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return xstrdup("");
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#endif
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str[nstr] = '\0';
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return xstrdup(str);
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}
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|
Parent Directory
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Revision Log
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