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Revision 1.6 - (show annotations)
Thu Oct 21 21:40:35 2004 UTC (13 years, 1 month ago) by bertho
Branch: MAIN
CVS Tags: REL_1_5_1
Changes since 1.5: +5 -0 lines
- Remove warning on known extended phrases
- Add known CVSNT extended phrases to be ignored
1 /*
2 * CvsGraph graphical representation generator of brances and revisions
3 * of a file in cvs/rcs.
4 *
5 * Copyright (C) 2001 B. Stultiens
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 %x xSTR
23 %x xID
24 %x xSYM
25 %x xSKIP
26 %x xSKIPSTR
27 %x xAUTHOR
28
29 %{
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <ctype.h>
34
35 #include "utils.h"
36 #include "readconf.h"
37 #include "rcs.h"
38 #include "rcs.tab.h"
39
40 #define SKIP_DELTATEXT 1
41
42 static void reset_str(void);
43 static void add_str(const char *s, int l);
44 static char *get_str(void);
45
46 static int skip_string = 0;
47
48 #define YY_NO_UNPUT 1
49
50 %}
51
52 ws [\b\t\v\f\r ]
53 num [0-9.]+
54 digit [0-9]
55 idchar [!-#%-+\-/<-?A-~\240-\377]
56 special [$,.:;@]
57
58 %%
59 /* RCS keywords */
60 head return tHEAD;
61 branch return tBRANCH;
62 access return tACCESS;
63 symbols return tSYMBOLS;
64 locks return tLOCKS;
65 strict return tSTRICT;
66 comment return tCOMMENT;
67 expand return tEXPAND;
68 date return tDATE;
69 author return tAUTHOR;
70 state return tSTATE;
71 branches return tBRANCHES;
72 next return tNEXT;
73 desc return tDESC;
74 log return tLOG;
75 text return tTEXT;
76 /* CVS extensions */
77 owner return tOWNER;
78 group return tGROUP;
79 permissions return tPERMISSIONS;
80 special return tSPECIAL;
81 symlnk return tSYMLINK;
82 hardlinks return tHARDLINKS;
83 /* Other known extensions */
84 namespace return tNAMESPACE;
85 dead return tDEAD;
86 /* CVSNT extensions */
87 mergepoint1 return tMERGEPOINT;
88 deltatype return tDELTATYPE;
89 commitid return tCOMMITID;
90 kopt return tKOPT;
91 filename return tFILENAME;
92
93 /* Here come any other 'newphrase' constructs */
94 {num}?{idchar}({idchar}|{num})* {
95 rcslval.str = xstrdup(rcstext);
96 return tNEWPHRASE;
97 }
98
99 /* Special rules for skipping everything after a 'newphrase' part */
100 <xSKIP>[^;@\n]+ ;
101 <xSKIP>\n line_number++;
102 <xSKIP>@ BEGIN(xSKIPSTR);
103 <xSKIP>; BEGIN(INITIAL); return *rcstext;
104
105 <xSKIPSTR>[^\n@]+ ;
106 <xSKIPSTR>\n line_number++;
107 <xSKIPSTR>@@ ;
108 <xSKIPSTR>@ BEGIN(xSKIP);
109
110 {num} rcslval.str = xstrdup(rcstext); return tREV;
111 [:;$] return *rcstext;
112
113 <xID>{ws}+ ;
114 <xID>\n line_number++;
115 <xID>{special} BEGIN(INITIAL); return *rcstext;
116 <xID>{num}?{idchar}({idchar}|{num})* {
117 rcslval.str = xstrdup(rcstext);
118 BEGIN(INITIAL);
119 return tID;
120 }
121 <xID>{num}?. rcserror("Invalid character in ID '%s' (0x%02x)", rcstext, rcstext[yyleng-1]);
122
123 <xSYM>{ws}+ ;
124 <xSYM>\n line_number++;
125 <xSYM>{special} BEGIN(INITIAL); return *rcstext;
126 <xSYM>{digit}*{idchar}({idchar}|{digit})* {
127 rcslval.str = xstrdup(rcstext);
128 BEGIN(INITIAL);
129 return tSYM;
130 }
131 <xSYM>{digit}*. rcserror("Invalid character in SYMBOL '%s' (0x%02x)", rcstext, rcstext[yyleng-1]);
132
133 @ reset_str(); BEGIN(xSTR);
134 <xSTR>[^@\n]+ add_str(rcstext, rcsleng);
135 <xSTR>\n line_number++; add_str(rcstext, rcsleng);
136 <xSTR>@@ add_str(rcstext, 1);
137 <xSTR>@ rcslval.str = get_str(); BEGIN(INITIAL); skip_string = 0; return tSTRING;
138
139 <xAUTHOR>@ reset_str(); BEGIN(xSTR);
140 <xAUTHOR>{ws}+ ;
141 <xAUTHOR>\n line_number++;
142 <xAUTHOR>{special} BEGIN(INITIAL); return *rcstext;
143 <xAUTHOR>{num}?{idchar}({idchar}|{num})* {
144 rcslval.str = xstrdup(rcstext);
145 BEGIN(INITIAL);
146 return tID;
147 }
148 <xAUTHOR>{num}?. rcserror("Invalid character in ID '%s' (0x%02x)", rcstext, rcstext[yyleng-1]);
149
150 {ws}+ ; /* Ignore whitespace */
151 \n line_number++;
152
153 . rcserror("Unknown char/unmatched text '%c' (0x%02x)", isprint(*rcstext) ? *rcstext : ' ', *rcstext);
154
155 %%
156
157 int rcswrap(void)
158 {
159 return 1;
160 }
161
162 void set_id(void)
163 {
164 BEGIN(xID);
165 }
166
167 void set_author(void)
168 {
169 BEGIN(xAUTHOR);
170 }
171
172 void set_sym(void)
173 {
174 BEGIN(xSYM);
175 }
176
177 void set_skip(void)
178 {
179 BEGIN(xSKIP);
180 }
181
182 void set_skipstr(void)
183 {
184 skip_string = 1;
185 }
186
187 #define STRALLOCSIZE 256
188 static char *str;
189 static int nstr;
190 static int nastr;
191
192 static void reset_str(void)
193 {
194 nstr = 0;
195 }
196
197 static void add_str(const char *s, int l)
198 {
199 #ifdef SKIP_DELTATEXT
200 if(skip_string)
201 return;
202 #endif
203 if(nstr + l + 1 > nastr)
204 {
205 str = xrealloc(str, nastr+STRALLOCSIZE);
206 nastr += STRALLOCSIZE;
207 }
208 memcpy(str+nstr, s, l);
209 nstr += l;
210 }
211
212 static char *get_str(void)
213 {
214 #ifdef SKIP_DELTATEXT
215 if(skip_string)
216 return xstrdup("");
217 #endif
218 if(str)
219 {
220 str[nstr] = '\0';
221 return xstrdup(str);
222 }
223 else
224 return xstrdup("");
225 }
226

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