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282
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1 /* Tags file maker to go with GNU Emacs
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2 Copyright (C) 1984, 87, 88, 89, 93, 94, 95
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3 Free Software Foundation, Inc. and Ken Arnold
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4
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5 This file is not considered part of GNU Emacs.
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6
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7 This program is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2 of the License, or
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10 (at your option) any later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program; if not, write to the Free Software Foundation,
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19 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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20
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21 /*
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22 * Authors:
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23 * Ctags originally by Ken Arnold.
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24 * Fortran added by Jim Kleckner.
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25 * Ed Pelegri-Llopart added C typedefs.
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26 * Gnu Emacs TAGS format and modifications by RMS?
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27 * Sam Kendall added C++.
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28 * Francesco Potorti` reorganised C and C++ based on work by Joe Wells.
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29 * Regexp tags by Tom Tromey.
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30 *
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31 * Francesco Potorti` (F.Potorti@cnuce.cnr.it) is the current maintainer.
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32 */
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33
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34 char pot_etags_version[] = "@(#) pot revision number is 12.28";
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35
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36 /* Prototyping magic snarfed from gmalloc.c */
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37 #if defined (__cplusplus) || defined (__STDC__)
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38 #undef PP
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39 #define PP(args) args
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40 #undef __ptr_t
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41 #define __ptr_t void *
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42 #else /* Not C++ or ANSI C. */
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43 #undef PP
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44 #define PP(args) ()
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45 #undef const
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46 #define const
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47 #undef __ptr_t
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48 #define __ptr_t char *
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49 #endif /* C++ or ANSI C. */
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50
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51 #ifdef HAVE_CONFIG_H
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52 # include <config.h>
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53 /* On some systems, Emacs defines static as nothing for the sake
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54 of unexec. We don't want that here since we don't use unexec. */
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55 # undef static
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56 # define ETAGS_REGEXPS /* use the regexp features */
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57 # define LONG_OPTIONS /* accept long options */
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58 #endif /* HAVE_CONFIG_H */
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59
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60 #define TRUE 1
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61 #define FALSE 0
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62
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63 #ifndef DEBUG
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64 # define DEBUG FALSE
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65 #endif
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66
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67 #ifdef MSDOS
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68 # include <fcntl.h>
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69 # include <sys/param.h>
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70 # include <io.h>
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71 # ifndef HAVE_CONFIG_H
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72 # define DOS_NT
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73 # include <sys/config.h>
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74 # endif
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75 #endif /* MSDOS */
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76
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77 #ifdef WINDOWSNT
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78 # include <stdlib.h>
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79 # include <fcntl.h>
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80 # include <string.h>
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81 # include <io.h>
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82 # define MAXPATHLEN _MAX_PATH
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83 # ifdef HAVE_CONFIG_H
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84 # undef HAVE_NTGUI
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85 # else
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86 # define DOS_NT
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87 # define HAVE_GETCWD
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88 # endif /* not HAVE_CONFIG_H */
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89 #endif /* WINDOWSNT */
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90
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91 #if !defined (WINDOWSNT) && defined (STDC_HEADERS)
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92 #include <stdlib.h>
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93 #include <string.h>
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94 #endif
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95
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96 #ifdef HAVE_UNISTD_H
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97 # include <unistd.h>
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98 #else
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99 # ifdef HAVE_GETCWD
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100 extern char *getcwd ();
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101 # endif
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102 #endif /* HAVE_UNISTD_H */
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103
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104 #include <stdio.h>
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105 #include <ctype.h>
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106 #include <errno.h>
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107 #include <sys/types.h>
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108 #include <sys/stat.h>
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109
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110 #if !defined (S_ISREG) && defined (S_IFREG)
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111 # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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112 #endif
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113
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114 #ifdef LONG_OPTIONS
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115 # include <getopt.h>
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116 #else
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117 # define getopt_long(argc,argv,optstr,lopts,lind) getopt (argc, argv, optstr)
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118 extern char *optarg;
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119 extern int optind, opterr;
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120 #endif /* LONG_OPTIONS */
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121
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122 #ifdef ETAGS_REGEXPS
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123 # include <regex.h>
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124 #endif /* ETAGS_REGEXPS */
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125
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126 /* Define CTAGS to make the program "ctags" compatible with the usual one.
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127 Leave it undefined to make the program "etags", which makes emacs-style
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128 tag tables and tags typedefs, #defines and struct/union/enum by default. */
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129 #ifdef CTAGS
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130 # undef CTAGS
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131 # define CTAGS TRUE
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132 #else
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133 # define CTAGS FALSE
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134 #endif
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135
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136 /* Exit codes for success and failure. */
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137 #ifdef VMS
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138 # define GOOD 1
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139 # define BAD 0
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140 #else
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141 # define GOOD 0
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142 # define BAD 1
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143 #endif
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144
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145 /* C extensions. */
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146 #define C_PLPL 0x00001 /* C++ */
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147 #define C_STAR 0x00003 /* C* */
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148 #define C_JAVA 0x00005 /* JAVA */
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149 #define YACC 0x10000 /* yacc file */
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150
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151 #define streq(s,t) ((DEBUG && (s) == NULL && (t) == NULL \
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152 && (abort (), 1)) || !strcmp (s, t))
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153 #define strneq(s,t,n) ((DEBUG && (s) == NULL && (t) == NULL \
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154 && (abort (), 1)) || !strncmp (s, t, n))
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155
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156 #define lowcase(c) tolower ((char)c)
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157
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158 #define CHARS 256 /* 2^sizeof(char) */
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159 #define CHAR(x) ((unsigned int)x & (CHARS - 1))
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160 #define iswhite(c) (_wht[CHAR(c)]) /* c is white */
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161 #define notinname(c) (_nin[CHAR(c)]) /* c is not in a name */
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162 #define begtoken(c) (_btk[CHAR(c)]) /* c can start token */
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163 #define intoken(c) (_itk[CHAR(c)]) /* c can be in token */
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164 #define endtoken(c) (_etk[CHAR(c)]) /* c ends tokens */
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165
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166 /*#ifdef INFODOCK*/
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167 /*#undef OO_BROWSER*/
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168 /* Due to the way this file is constructed, this unfortunately doesn't */
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169 /* work except for documentation purposes. -slb */
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170 #define OO_BROWSER 1
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171 /*#endif*/
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172
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173 #ifdef OO_BROWSER
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174 #define set_construct(construct) \
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175 if (!oo_browser_construct) oo_browser_construct = construct
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398
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176 void oo_browser_clear_all_globals(void);
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177 void oo_browser_clear_some_globals(void);
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178 void oo_browser_check_and_clear_structtype(void);
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282
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179 #endif
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180
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181 /*
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182 * xnew, xrnew -- allocate, reallocate storage
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183 *
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184 * SYNOPSIS: Type *xnew (int n, Type);
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185 * Type *xrnew (OldPointer, int n, Type);
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186 */
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187 #ifdef chkmalloc
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188 # include "chkmalloc.h"
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189 # define xnew(n,Type) ((Type *) trace_malloc (__FILE__, __LINE__, \
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190 (n) * sizeof (Type)))
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191 # define xrnew(op,n,Type) ((Type *) trace_realloc (__FILE__, __LINE__, \
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192 (op), (n) * sizeof (Type)))
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193 #else
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194 # define xnew(n,Type) ((Type *) xmalloc ((n) * sizeof (Type)))
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195 # define xrnew(op,n,Type) ((Type *) xrealloc ((op), (n) * sizeof (Type)))
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196 #endif
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197
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198 typedef int bool;
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199
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398
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200 typedef void Lang_function (FILE *);
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282
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201
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202 typedef struct
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203 {
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204 char *name;
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205 Lang_function *function;
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206 char **suffixes;
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207 char **interpreters;
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208 } language;
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209
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210 typedef struct node_st
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211 { /* sorting structure */
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212 char *name; /* function or type name */
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213 #ifdef OO_BROWSER
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214 short int construct; /* Construct type for the OO-Browser */
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215 #endif
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216 char *file; /* file name */
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217 bool is_func; /* use pattern or line no */
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218 bool been_warned; /* set if noticed dup */
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219 int lno; /* line number tag is on */
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220 long cno; /* character number line starts on */
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221 char *pat; /* search pattern */
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222 struct node_st *left, *right; /* left and right sons */
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223 } node;
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224
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225 #ifdef OO_BROWSER
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226 /* If you add to this array, you must add a corresponding entry to the
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227 following enum. */
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228 static char *oo_browser_default_classes[] =
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229 /* Lack of square brackets around some of these entries are intentional. */
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230 {"null", "class", "method", "[constant]", "[enumeration]", "[enum_label]",
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231 "extern", "[function]", "[macro]", "objc", "[structure]", "[type]",
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232 "[union]", "[variable]"};
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233
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234 /* If you add to this enum, you must add a corresponding entry to the
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235 preceding array. */
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236 enum oo_browser_constructs {C_NULL, C_CLASS, C_METHOD, C_CONSTANT, C_ENUMERATION,
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237 C_ENUM_LABEL, C_EXTERN, C_FUNCTION, C_MACRO,
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238 C_OBJC, C_STRUCTURE, C_TYPE, C_UNION, C_VARIABLE};
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239
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240 enum oo_browser_constructs oo_browser_construct = C_NULL;
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241 #endif
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242
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243 /*
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244 * A `linebuffer' is a structure which holds a line of text.
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245 * `readline_internal' reads a line from a stream into a linebuffer
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246 * and works regardless of the length of the line.
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247 * SIZE is the size of BUFFER, LEN is the length of the string in
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248 * BUFFER after readline reads it.
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249 */
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250 typedef struct
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251 {
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252 long size;
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253 int len;
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254 char *buffer;
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255 } linebuffer;
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256
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257 extern char *getenv PP ((const char *envvar));
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258
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259 /* Many compilers barf on this:
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260 Lang_function Asm_labels;
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261 so let's write it this way */
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262 void Asm_labels PP ((FILE *inf));
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263 void C_entries PP ((int c_ext, FILE *inf));
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264 void default_C_entries PP ((FILE *inf));
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265 void plain_C_entries PP ((FILE *inf));
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266 void Cjava_entries PP ((FILE *inf));
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267 void Cplusplus_entries PP ((FILE *inf));
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268 void Yacc_entries PP ((FILE *inf));
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269 void Cobol_paragraphs PP ((FILE *inf));
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270 void Cstar_entries PP ((FILE *inf));
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271 void Erlang_functions PP ((FILE *inf));
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272 void Fortran_functions PP ((FILE *inf));
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273 void Lisp_functions PP ((FILE *inf));
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274 void Pascal_functions PP ((FILE *inf));
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275 void Perl_functions PP ((FILE *inf));
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276 void Postscript_functions PP ((FILE *inf));
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277 void Prolog_functions PP ((FILE *inf));
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278 void Python_functions PP ((FILE *inf));
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279 void Scheme_functions PP ((FILE *inf));
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280 void TeX_functions PP ((FILE *inf));
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281 void just_read_file PP ((FILE *inf));
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282
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283 void print_language_names PP ((void));
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284 void print_version PP ((void));
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285 void print_help PP ((void));
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286
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287 language *get_language_from_name PP ((char *name));
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288 language *get_language_from_interpreter PP ((char *interpreter));
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289 language *get_language_from_suffix PP ((char *suffix));
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290 int total_size_of_entries PP ((node *np));
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291 long readline PP ((linebuffer *lbp, FILE *stream));
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292 long readline_internal PP ((linebuffer *lbp, FILE *stream));
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293 #ifdef ETAGS_REGEXPS
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294 void analyse_regex PP ((char *regex_arg));
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295 void add_regex PP ((char *regexp_pattern, language *lang));
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296 void free_patterns PP ((void));
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297 #endif /* ETAGS_REGEXPS */
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298 void error PP ((const char *s1, const char *s2));
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299 void suggest_asking_for_help PP ((void));
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300 void fatal PP ((char *s1, char *s2));
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301 void pfatal PP ((char *s1));
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302 void add_node PP ((node *np, node **cur_node_p));
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303
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304 void init PP ((void));
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305 void initbuffer PP ((linebuffer *lbp));
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306 void find_entries PP ((char *file, FILE *inf));
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307 void free_tree PP ((node *np));
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308 void pfnote PP ((char *name, bool is_func, char *linestart, int linelen, int lno, long cno));
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309 void new_pfnote PP ((char *name, int namelen, bool is_func, char *linestart, int linelen, int lno, long cno));
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310 void process_file PP ((char *file));
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311 void put_entries PP ((node *np));
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312 void takeprec PP ((void));
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313
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314 char *concat PP ((char *s1, char *s2, char *s3));
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315 char *skip_spaces PP ((char *cp));
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316 char *skip_non_spaces PP ((char *cp));
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317 char *savenstr PP ((char *cp, int len));
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318 char *savestr PP ((char *cp));
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319 char *etags_strchr PP ((char *sp, int c));
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320 char *etags_strrchr PP ((char *sp, int c));
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321 char *etags_getcwd PP ((void));
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322 char *relative_filename PP ((char *file, char *dir));
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323 char *absolute_filename PP ((char *file, char *dir));
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324 char *absolute_dirname PP ((char *file, char *dir));
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325 bool filename_is_absolute PP ((char *fn));
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326 void canonicalize_filename PP ((char *fn));
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327 void grow_linebuffer PP ((linebuffer *lbp, int toksize));
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328 long *xmalloc PP ((unsigned int size));
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329 long *xrealloc PP ((char *ptr, unsigned int size));
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330
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331
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332 char searchar = '/'; /* use /.../ searches */
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333
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334 char *tagfile; /* output file */
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335 char *progname; /* name this program was invoked with */
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336 char *cwd; /* current working directory */
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337 char *tagfiledir; /* directory of tagfile */
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338 FILE *tagf; /* ioptr for tags file */
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339
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340 char *curfile; /* current input file name */
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341 language *curlang; /* current language */
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342
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343 int lineno; /* line number of current line */
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344 long charno; /* current character number */
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345 long linecharno; /* charno of start of current line */
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346 char *dbp; /* pointer to start of current tag */
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347 node *head; /* the head of the binary tree of tags */
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348
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349 linebuffer lb; /* the current line */
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350 linebuffer token_name; /* used by C_entries as a temporary area */
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351 struct
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352 {
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353 long linepos;
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354 linebuffer lb; /* used by C_entries instead of lb */
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355 } lbs[2];
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356
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357 /* boolean "functions" (see init) */
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358 bool _wht[CHARS], _nin[CHARS], _itk[CHARS], _btk[CHARS], _etk[CHARS];
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359 char
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360 /* white chars */
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361 *white = " \f\t\n\r",
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362 /* not in a name */
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363 *nonam = " \f\t\n\r(=,[;",
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364 /* token ending chars */
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365 *endtk = " \t\n\r\"'#()[]{}=-+%*/&|^~!<>;,.:?",
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366 /* token starting chars */
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367 *begtk = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz$~@",
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368 /* valid in-token chars */
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369 *midtk = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz$0123456789";
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370
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371 bool append_to_tagfile; /* -a: append to tags */
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372 /* The following four default to TRUE for etags, but to FALSE for ctags. */
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373 bool typedefs; /* -t: create tags for C typedefs */
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374 bool typedefs_and_cplusplus; /* -T: create tags for C typedefs, level */
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375 /* 0 struct/enum/union decls, and C++ */
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376 /* member functions. */
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377 bool constantypedefs; /* -d: create tags for C #define, enum */
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378 /* constants and variables. */
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379 /* -D: opposite of -d. Default under ctags. */
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380 bool globals; /* create tags for global variables */
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381 bool members; /* create tags for C member variables */
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|
|
382 bool update; /* -u: update tags */
|
|
|
383 bool vgrind_style; /* -v: create vgrind style index output */
|
|
|
384 bool no_warnings; /* -w: suppress warnings */
|
|
|
385 bool cxref_style; /* -x: create cxref style output */
|
|
|
386 bool cplusplus; /* .[hc] means C++, not C */
|
|
|
387 bool noindentypedefs; /* -I: ignore indentation in C */
|
|
|
388 #ifdef OO_BROWSER
|
|
|
389 bool oo_browser_format; /* -O: OO-Browser tags format */
|
|
|
390 #endif
|
|
|
391
|
|
|
392 #ifdef LONG_OPTIONS
|
|
|
393 struct option longopts[] =
|
|
|
394 {
|
|
|
395 { "append", no_argument, NULL, 'a' },
|
|
|
396 { "backward-search", no_argument, NULL, 'B' },
|
|
|
397 { "c++", no_argument, NULL, 'C' },
|
|
|
398 { "cxref", no_argument, NULL, 'x' },
|
|
|
399 { "defines", no_argument, NULL, 'd' },
|
|
|
400 { "no-defines", no_argument, NULL, 'D' },
|
|
|
401 { "globals", no_argument, &globals, TRUE },
|
|
|
402 { "no-globals", no_argument, &globals, FALSE },
|
|
|
403 { "help", no_argument, NULL, 'h' },
|
|
|
404 { "help", no_argument, NULL, 'H' },
|
|
|
405 { "ignore-indentation", no_argument, NULL, 'I' },
|
|
|
406 { "include", required_argument, NULL, 'i' },
|
|
|
407 { "language", required_argument, NULL, 'l' },
|
|
|
408 { "members", no_argument, &members, TRUE },
|
|
|
409 { "no-members", no_argument, &members, FALSE },
|
|
|
410 { "no-warn", no_argument, NULL, 'w' },
|
|
|
411 { "output", required_argument, NULL, 'o' },
|
|
|
412 #ifdef OO_BROWSER
|
|
|
413 { "oo-browser", no_argument, NULL, 'O' },
|
|
|
414 #endif
|
|
|
415 #ifdef ETAGS_REGEXPS
|
|
|
416 { "regex", required_argument, NULL, 'r' },
|
|
|
417 { "no-regex", no_argument, NULL, 'R' },
|
|
|
418 #endif /* ETAGS_REGEXPS */
|
|
|
419 { "typedefs", no_argument, NULL, 't' },
|
|
|
420 { "typedefs-and-c++", no_argument, NULL, 'T' },
|
|
|
421 { "update", no_argument, NULL, 'u' },
|
|
|
422 { "version", no_argument, NULL, 'V' },
|
|
|
423 { "vgrind", no_argument, NULL, 'v' },
|
|
|
424 { 0 }
|
|
|
425 };
|
|
|
426 #endif /* LONG_OPTIONS */
|
|
|
427
|
|
|
428 #ifdef ETAGS_REGEXPS
|
|
|
429 /* Structure defining a regular expression. Elements are
|
|
|
430 the compiled pattern, and the name string. */
|
|
|
431 typedef struct pattern
|
|
|
432 {
|
|
|
433 struct pattern *p_next;
|
|
|
434 language *language;
|
|
|
435 char *regex;
|
|
|
436 struct re_pattern_buffer *pattern;
|
|
|
437 struct re_registers regs;
|
|
|
438 char *name_pattern;
|
|
|
439 bool error_signaled;
|
|
|
440 } pattern;
|
|
|
441
|
|
|
442 /* Array of all regexps. */
|
|
|
443 pattern *p_head = NULL;
|
|
|
444 #endif /* ETAGS_REGEXPS */
|
|
|
445
|
|
|
446 /*
|
|
|
447 * Language stuff.
|
|
|
448 */
|
|
|
449
|
|
|
450 /* Non-NULL if language fixed. */
|
|
|
451 language *forced_lang = NULL;
|
|
|
452
|
|
|
453 /* Assembly code */
|
|
|
454 char *Asm_suffixes [] = { "a", /* Unix assembler */
|
|
|
455 "asm", /* Microcontroller assembly */
|
|
|
456 "def", /* BSO/Tasking definition includes */
|
|
|
457 "inc", /* Microcontroller include files */
|
|
|
458 "ins", /* Microcontroller include files */
|
|
|
459 "s", "sa", /* Unix assembler */
|
|
|
460 "src", /* BSO/Tasking C compiler output */
|
|
|
461 NULL
|
|
|
462 };
|
|
|
463
|
|
|
464 /* Note that .c and .h can be considered C++, if the --c++ flag was
|
|
|
465 given. That is why default_C_entries is called here. */
|
|
|
466 char *default_C_suffixes [] =
|
|
|
467 { "c", "h", NULL };
|
|
|
468
|
|
|
469 char *Cplusplus_suffixes [] =
|
|
|
470 { "C", "H", "c++", "cc", "cpp", "cxx", "h++", "hh", "hpp", "hxx",
|
|
|
471 "M", /* Objective C++ */
|
|
|
472 "pdb", /* Postscript with C syntax */
|
|
|
473 NULL };
|
|
|
474
|
|
|
475 char *Cjava_suffixes [] =
|
|
|
476 { "java", NULL };
|
|
|
477
|
|
|
478 char *Cobol_suffixes [] =
|
|
|
479 { "COB", "cob", NULL };
|
|
|
480
|
|
|
481 char *Cstar_suffixes [] =
|
|
|
482 { "cs", "hs", NULL };
|
|
|
483
|
|
|
484 char *Erlang_suffixes [] =
|
|
|
485 { "erl", "hrl", NULL };
|
|
|
486
|
|
|
487 char *Fortran_suffixes [] =
|
|
|
488 { "F", "f", "f90", "for", NULL };
|
|
|
489
|
|
|
490 char *Lisp_suffixes [] =
|
|
|
491 { "cl", "clisp", "el", "l", "lisp", "lsp", "ml", NULL };
|
|
|
492
|
|
|
493 char *Pascal_suffixes [] =
|
|
|
494 { "p", "pas", NULL };
|
|
|
495
|
|
|
496 char *Perl_suffixes [] =
|
|
|
497 { "pl", "pm", NULL };
|
|
|
498 char *Perl_interpreters [] =
|
|
|
499 { "perl", "@PERL@", NULL };
|
|
|
500
|
|
|
501 char *plain_C_suffixes [] =
|
|
|
502 { "pc", /* Pro*C file */
|
|
|
503 "m", /* Objective C file */
|
|
|
504 "lm", /* Objective lex file */
|
|
|
505 NULL };
|
|
|
506
|
|
|
507 char *Postscript_suffixes [] =
|
|
|
508 { "ps", NULL };
|
|
|
509
|
|
|
510 char *Prolog_suffixes [] =
|
|
|
511 { "prolog", NULL };
|
|
|
512
|
|
|
513 char *Python_suffixes [] =
|
|
|
514 { "py", NULL };
|
|
|
515
|
|
|
516 /* Can't do the `SCM' or `scm' prefix with a version number. */
|
|
|
517 char *Scheme_suffixes [] =
|
|
|
518 { "SCM", "SM", "oak", "sch", "scheme", "scm", "sm", "ss", "t", NULL };
|
|
|
519
|
|
|
520 char *TeX_suffixes [] =
|
|
|
521 { "TeX", "bib", "clo", "cls", "ltx", "sty", "tex", NULL };
|
|
|
522
|
|
|
523 char *Yacc_suffixes [] =
|
|
|
524 { "y", "ym", NULL }; /* .ym is Objective yacc file */
|
|
|
525
|
|
|
526 /*
|
|
|
527 * Table of languages.
|
|
|
528 *
|
|
|
529 * It is ok for a given function to be listed under more than one
|
|
|
530 * name. I just didn't.
|
|
|
531 */
|
|
|
532
|
|
|
533 language lang_names [] =
|
|
|
534 {
|
|
|
535 { "asm", Asm_labels, Asm_suffixes, NULL },
|
|
|
536 { "c", default_C_entries, default_C_suffixes, NULL },
|
|
|
537 { "c++", Cplusplus_entries, Cplusplus_suffixes, NULL },
|
|
|
538 { "c*", Cstar_entries, Cstar_suffixes, NULL },
|
|
|
539 { "cobol", Cobol_paragraphs, Cobol_suffixes, NULL },
|
|
|
540 { "erlang", Erlang_functions, Erlang_suffixes, NULL },
|
|
|
541 { "fortran", Fortran_functions, Fortran_suffixes, NULL },
|
|
|
542 { "java", Cjava_entries, Cjava_suffixes, NULL },
|
|
|
543 { "lisp", Lisp_functions, Lisp_suffixes, NULL },
|
|
|
544 { "pascal", Pascal_functions, Pascal_suffixes, NULL },
|
|
|
545 { "perl", Perl_functions, Perl_suffixes, Perl_interpreters },
|
|
|
546 { "postscript", Postscript_functions, Postscript_suffixes, NULL },
|
|
|
547 { "proc", plain_C_entries, plain_C_suffixes, NULL },
|
|
|
548 { "prolog", Prolog_functions, Prolog_suffixes, NULL },
|
|
|
549 { "python", Python_functions, Python_suffixes, NULL },
|
|
|
550 { "scheme", Scheme_functions, Scheme_suffixes, NULL },
|
|
|
551 { "tex", TeX_functions, TeX_suffixes, NULL },
|
|
|
552 { "yacc", Yacc_entries, Yacc_suffixes, NULL },
|
|
|
553 { "auto", NULL }, /* default guessing scheme */
|
|
|
554 { "none", just_read_file }, /* regexp matching only */
|
|
|
555 { NULL, NULL } /* end of list */
|
|
|
556 };
|
|
|
557
|
|
|
558
|
|
|
559 void
|
|
|
560 print_language_names ()
|
|
|
561 {
|
|
|
562 language *lang;
|
|
|
563 char **ext;
|
|
|
564
|
|
|
565 puts ("\nThese are the currently supported languages, along with the\n\
|
|
|
566 default file name suffixes:");
|
|
|
567 for (lang = lang_names; lang->name != NULL; lang++)
|
|
|
568 {
|
|
|
569 printf ("\t%s\t", lang->name);
|
|
|
570 if (lang->suffixes != NULL)
|
|
|
571 for (ext = lang->suffixes; *ext != NULL; ext++)
|
|
|
572 printf (" .%s", *ext);
|
|
|
573 puts ("");
|
|
|
574 }
|
|
|
575 puts ("Where `auto' means use default language for files based on file\n\
|
|
|
576 name suffix, and `none' means only do regexp processing on files.\n\
|
|
|
577 If no language is specified and no matching suffix is found,\n\
|
|
|
578 the first line of the file is read for a sharp-bang (#!) sequence\n\
|
|
|
579 followed by the name of an interpreter. If no such sequence is found,\n\
|
|
|
580 Fortran is tried first; if no tags are found, C is tried next.");
|
|
|
581 }
|
|
|
582
|
|
|
583 #ifndef VERSION
|
|
|
584 # define VERSION "20"
|
|
|
585 #endif
|
|
|
586 void
|
|
|
587 print_version ()
|
|
|
588 {
|
|
|
589 printf ("%s (GNU Emacs %s)\n", (CTAGS) ? "ctags" : "etags", VERSION);
|
|
|
590 puts ("Copyright (C) 1996 Free Software Foundation, Inc. and Ken Arnold");
|
|
|
591 puts ("This program is distributed under the same terms as Emacs");
|
|
|
592
|
|
|
593 exit (GOOD);
|
|
|
594 }
|
|
|
595
|
|
|
596 void
|
|
|
597 print_help ()
|
|
|
598 {
|
|
|
599 printf ("Usage: %s [options] [[regex-option ...] file-name] ...\n\
|
|
|
600 \n\
|
|
|
601 These are the options accepted by %s.\n", progname, progname);
|
|
|
602 #ifdef LONG_OPTIONS
|
|
|
603 puts ("You may use unambiguous abbreviations for the long option names.");
|
|
|
604 #else
|
|
|
605 puts ("Long option names do not work with this executable, as it is not\n\
|
|
|
606 linked with GNU getopt.");
|
|
|
607 #endif /* LONG_OPTIONS */
|
|
|
608 puts ("A - as file name means read names from stdin (one per line).");
|
|
|
609 if (!CTAGS)
|
|
|
610 printf (" Absolute names are stored in the output file as they are.\n\
|
|
|
611 Relative ones are stored relative to the output file's directory.");
|
|
|
612 puts ("\n");
|
|
|
613
|
|
|
614 puts ("-a, --append\n\
|
|
|
615 Append tag entries to existing tags file.");
|
|
|
616
|
|
|
617 if (CTAGS)
|
|
|
618 puts ("-B, --backward-search\n\
|
|
|
619 Write the search commands for the tag entries using '?', the\n\
|
|
|
620 backward-search command instead of '/', the forward-search command.");
|
|
|
621
|
|
|
622 puts ("-C, --c++\n\
|
|
|
623 Treat files whose name suffix defaults to C language as C++ files.");
|
|
|
624
|
|
|
625 if (CTAGS)
|
|
|
626 puts ("-d, --defines\n\
|
|
|
627 Create tag entries for C #define constants and enum constants, too.");
|
|
|
628 else
|
|
|
629 puts ("-D, --no-defines\n\
|
|
|
630 Don't create tag entries for C #define constants and enum constants.\n\
|
|
|
631 This makes the tags file smaller.");
|
|
|
632
|
|
|
633 if (!CTAGS)
|
|
|
634 {
|
|
|
635 puts ("-i FILE, --include=FILE\n\
|
|
|
636 Include a note in tag file indicating that, when searching for\n\
|
|
|
637 a tag, one should also consult the tags file FILE after\n\
|
|
|
638 checking the current file.");
|
|
|
639 puts ("-l LANG, --language=LANG\n\
|
|
|
640 Force the following files to be considered as written in the\n\
|
|
|
641 named language up to the next --language=LANG option.");
|
|
|
642 }
|
|
|
643
|
|
|
644 if (CTAGS)
|
|
|
645 puts ("--globals\n\
|
|
|
646 Create tag entries for global variables in some languages.");
|
|
|
647 else
|
|
|
648 puts ("--no-globals\n\
|
|
|
649 Do not create tag entries for global variables in some\n\
|
|
|
650 languages. This makes the tags file smaller.");
|
|
|
651 puts ("--members\n\
|
|
|
652 Create tag entries for member variables in C and derived languages.");
|
|
|
653
|
|
|
654 #ifdef ETAGS_REGEXPS
|
|
|
655 puts ("-r /REGEXP/, --regex=/REGEXP/ or --regex=@regexfile\n\
|
|
|
656 Make a tag for each line matching pattern REGEXP in the\n\
|
|
|
657 following files. regexfile is a file containing one REGEXP\n\
|
|
|
658 per line. REGEXP is anchored (as if preceded by ^).\n\
|
|
|
659 The form /REGEXP/NAME/ creates a named tag. For example Tcl\n\
|
|
|
660 named tags can be created with:\n\
|
|
|
661 --regex=/proc[ \\t]+\\([^ \\t]+\\)/\\1/.");
|
|
|
662 puts ("-R, --no-regex\n\
|
|
|
663 Don't create tags from regexps for the following files.");
|
|
|
664 #endif /* ETAGS_REGEXPS */
|
|
|
665 puts ("-o FILE, --output=FILE\n\
|
|
|
666 Write the tags to FILE.");
|
|
|
667 #ifdef OO_BROWSER
|
|
|
668 puts ("-O, --oo-browser\n\
|
|
|
669 Generate a specialized tags format used only by the Altrasoft OO-Browser.");
|
|
|
670 #endif
|
|
|
671 puts ("-I, --ignore-indentation\n\
|
|
|
672 Don't rely on indentation quite as much as normal. Currently,\n\
|
|
|
673 this means not to assume that a closing brace in the first\n\
|
|
|
674 column is the final brace of a function or structure\n\
|
|
|
675 definition in C and C++.");
|
|
|
676
|
|
|
677 if (CTAGS)
|
|
|
678 {
|
|
|
679 puts ("-t, --typedefs\n\
|
|
|
680 Generate tag entries for C typedefs.");
|
|
|
681 puts ("-T, --typedefs-and-c++\n\
|
|
|
682 Generate tag entries for C typedefs, C struct/enum/union tags,\n\
|
|
|
683 and C++ member functions.");
|
|
|
684 puts ("-u, --update\n\
|
|
|
685 Update the tag entries for the given files, leaving tag\n\
|
|
|
686 entries for other files in place. Currently, this is\n\
|
|
|
687 implemented by deleting the existing entries for the given\n\
|
|
|
688 files and then rewriting the new entries at the end of the\n\
|
|
|
689 tags file. It is often faster to simply rebuild the entire\n\
|
|
|
690 tag file than to use this.");
|
|
|
691 puts ("-v, --vgrind\n\
|
|
|
692 Generates an index of items intended for human consumption,\n\
|
|
|
693 similar to the output of vgrind. The index is sorted, and\n\
|
|
|
694 gives the page number of each item.");
|
|
|
695 puts ("-w, --no-warn\n\
|
|
|
696 Suppress warning messages about entries defined in multiple\n\
|
|
|
697 files.");
|
|
|
698 puts ("-x, --cxref\n\
|
|
|
699 Like --vgrind, but in the style of cxref, rather than vgrind.\n\
|
|
|
700 The output uses line numbers instead of page numbers, but\n\
|
|
|
701 beyond that the differences are cosmetic; try both to see\n\
|
|
|
702 which you like.");
|
|
|
703 }
|
|
|
704
|
|
|
705 puts ("-V, --version\n\
|
|
|
706 Print the version of the program.\n\
|
|
|
707 -h, --help\n\
|
|
|
708 Print this help message.");
|
|
|
709
|
|
|
710 print_language_names ();
|
|
|
711
|
|
|
712 puts ("");
|
|
|
713 puts ("Report bugs to bug-gnu-emacs@prep.ai.mit.edu");
|
|
|
714
|
|
|
715 exit (GOOD);
|
|
|
716 }
|
|
|
717
|
|
|
718
|
|
|
719 enum argument_type
|
|
|
720 {
|
|
|
721 at_language,
|
|
|
722 at_regexp,
|
|
|
723 at_filename
|
|
|
724 };
|
|
|
725
|
|
|
726 /* This structure helps us allow mixing of --lang and file names. */
|
|
|
727 typedef struct
|
|
|
728 {
|
|
|
729 enum argument_type arg_type;
|
|
|
730 char *what;
|
|
|
731 language *lang;
|
|
|
732 } argument;
|
|
|
733
|
|
|
734 #ifdef VMS /* VMS specific functions */
|
|
|
735
|
|
|
736 #define EOS '\0'
|
|
|
737
|
|
|
738 /* This is a BUG! ANY arbitrary limit is a BUG!
|
|
|
739 Won't someone please fix this? */
|
|
|
740 #define MAX_FILE_SPEC_LEN 255
|
|
|
741 typedef struct {
|
|
|
742 short curlen;
|
|
|
743 char body[MAX_FILE_SPEC_LEN + 1];
|
|
|
744 } vspec;
|
|
|
745
|
|
|
746 /*
|
|
|
747 v1.05 nmm 26-Jun-86 fn_exp - expand specification of list of file names
|
|
|
748 returning in each successive call the next file name matching the input
|
|
|
749 spec. The function expects that each in_spec passed
|
|
|
750 to it will be processed to completion; in particular, up to and
|
|
|
751 including the call following that in which the last matching name
|
|
|
752 is returned, the function ignores the value of in_spec, and will
|
|
|
753 only start processing a new spec with the following call.
|
|
|
754 If an error occurs, on return out_spec contains the value
|
|
|
755 of in_spec when the error occurred.
|
|
|
756
|
|
|
757 With each successive file name returned in out_spec, the
|
|
|
758 function's return value is one. When there are no more matching
|
|
|
759 names the function returns zero. If on the first call no file
|
|
|
760 matches in_spec, or there is any other error, -1 is returned.
|
|
|
761 */
|
|
|
762
|
|
|
763 #include <rmsdef.h>
|
|
|
764 #include <descrip.h>
|
|
|
765 #define OUTSIZE MAX_FILE_SPEC_LEN
|
|
|
766 short
|
|
|
767 fn_exp (out, in)
|
|
|
768 vspec *out;
|
|
|
769 char *in;
|
|
|
770 {
|
|
|
771 static long context = 0;
|
|
|
772 static struct dsc$descriptor_s o;
|
|
|
773 static struct dsc$descriptor_s i;
|
|
|
774 static bool pass1 = TRUE;
|
|
|
775 long status;
|
|
|
776 short retval;
|
|
|
777
|
|
|
778 if (pass1)
|
|
|
779 {
|
|
|
780 pass1 = FALSE;
|
|
|
781 o.dsc$a_pointer = (char *) out;
|
|
|
782 o.dsc$w_length = (short)OUTSIZE;
|
|
|
783 i.dsc$a_pointer = in;
|
|
|
784 i.dsc$w_length = (short)strlen(in);
|
|
|
785 i.dsc$b_dtype = DSC$K_DTYPE_T;
|
|
|
786 i.dsc$b_class = DSC$K_CLASS_S;
|
|
|
787 o.dsc$b_dtype = DSC$K_DTYPE_VT;
|
|
|
788 o.dsc$b_class = DSC$K_CLASS_VS;
|
|
|
789 }
|
|
|
790 if ((status = lib$find_file(&i, &o, &context, 0, 0)) == RMS$_NORMAL)
|
|
|
791 {
|
|
|
792 out->body[out->curlen] = EOS;
|
|
|
793 return 1;
|
|
|
794 }
|
|
|
795 else if (status == RMS$_NMF)
|
|
|
796 retval = 0;
|
|
|
797 else
|
|
|
798 {
|
|
|
799 strcpy(out->body, in);
|
|
|
800 retval = -1;
|
|
|
801 }
|
|
|
802 lib$find_file_end(&context);
|
|
|
803 pass1 = TRUE;
|
|
|
804 return retval;
|
|
|
805 }
|
|
|
806
|
|
|
807 /*
|
|
|
808 v1.01 nmm 19-Aug-85 gfnames - return in successive calls the
|
|
|
809 name of each file specified by the provided arg expanding wildcards.
|
|
|
810 */
|
|
|
811 char *
|
|
|
812 gfnames (arg, p_error)
|
|
|
813 char *arg;
|
|
|
814 bool *p_error;
|
|
|
815 {
|
|
|
816 static vspec filename = {MAX_FILE_SPEC_LEN, "\0"};
|
|
|
817
|
|
|
818 switch (fn_exp (&filename, arg))
|
|
|
819 {
|
|
|
820 case 1:
|
|
|
821 *p_error = FALSE;
|
|
|
822 return filename.body;
|
|
|
823 case 0:
|
|
|
824 *p_error = FALSE;
|
|
|
825 return NULL;
|
|
|
826 default:
|
|
|
827 *p_error = TRUE;
|
|
|
828 return filename.body;
|
|
|
829 }
|
|
|
830 }
|
|
|
831
|
|
|
832 #ifndef OLD /* Newer versions of VMS do provide `system'. */
|
|
|
833 system (cmd)
|
|
|
834 char *cmd;
|
|
|
835 {
|
|
|
836 error ("%s", "system() function not implemented under VMS");
|
|
|
837 }
|
|
|
838 #endif
|
|
|
839
|
|
|
840 #define VERSION_DELIM ';'
|
|
|
841 char *massage_name (s)
|
|
|
842 char *s;
|
|
|
843 {
|
|
|
844 char *start = s;
|
|
|
845
|
|
|
846 for ( ; *s; s++)
|
|
|
847 if (*s == VERSION_DELIM)
|
|
|
848 {
|
|
|
849 *s = EOS;
|
|
|
850 break;
|
|
|
851 }
|
|
|
852 else
|
|
|
853 *s = lowcase (*s);
|
|
|
854 return start;
|
|
|
855 }
|
|
|
856 #endif /* VMS */
|
|
|
857
|
|
|
858
|
|
|
859 int
|
|
398
|
860 main (int argc, char *argv[])
|
|
282
|
861 {
|
|
|
862 int i;
|
|
|
863 unsigned int nincluded_files;
|
|
|
864 char **included_files;
|
|
|
865 char *this_file;
|
|
|
866 argument *argbuffer;
|
|
|
867 int current_arg, file_count;
|
|
|
868 linebuffer filename_lb;
|
|
|
869 #ifdef VMS
|
|
|
870 bool got_err;
|
|
|
871 #endif
|
|
|
872
|
|
|
873 #ifdef DOS_NT
|
|
|
874 _fmode = O_BINARY; /* all of files are treated as binary files */
|
|
|
875 #endif /* DOS_NT */
|
|
|
876
|
|
|
877 progname = argv[0];
|
|
|
878 nincluded_files = 0;
|
|
|
879 included_files = xnew (argc, char *);
|
|
|
880 current_arg = 0;
|
|
|
881 file_count = 0;
|
|
|
882
|
|
|
883 /* Allocate enough no matter what happens. Overkill, but each one
|
|
|
884 is small. */
|
|
|
885 argbuffer = xnew (argc, argument);
|
|
|
886
|
|
|
887 #ifdef ETAGS_REGEXPS
|
|
|
888 /* Set syntax for regular expression routines. */
|
|
|
889 re_set_syntax (RE_SYNTAX_EMACS | RE_INTERVALS);
|
|
|
890 #endif /* ETAGS_REGEXPS */
|
|
|
891
|
|
|
892 /*
|
|
|
893 * If etags, always find typedefs and structure tags. Why not?
|
|
|
894 * Also default is to find macro constants, enum constants and
|
|
|
895 * global variables.
|
|
|
896 */
|
|
|
897 if (!CTAGS)
|
|
|
898 {
|
|
|
899 typedefs = typedefs_and_cplusplus = constantypedefs = TRUE;
|
|
|
900 globals = TRUE;
|
|
|
901 members = FALSE;
|
|
|
902 }
|
|
|
903
|
|
|
904 while (1)
|
|
|
905 {
|
|
|
906 int opt;
|
|
|
907 char *optstring;
|
|
|
908
|
|
|
909 #ifdef ETAGS_REGEXPS
|
|
|
910 #ifndef OO_BROWSER
|
|
|
911 optstring = "-aCdDf:Il:o:r:RStTi:BuvxwVhH";
|
|
|
912 #else
|
|
|
913 optstring = "-aCdDf:Il:o:r:RStTi:BOuvxwVhH";
|
|
|
914 #endif
|
|
|
915 #else
|
|
|
916 #ifndef OO_BROWSER
|
|
|
917 optstring = "-aCdDf:Il:o:StTi:BuvxwVhH";
|
|
|
918 #else
|
|
|
919 optstring = "-aCdDf:Il:o:StTi:BOuvxwVhH";
|
|
|
920 #endif
|
|
|
921 #endif /* ETAGS_REGEXPS */
|
|
|
922
|
|
|
923 #ifndef LONG_OPTIONS
|
|
|
924 optstring = optstring + 1;
|
|
|
925 #endif /* LONG_OPTIONS */
|
|
|
926
|
|
|
927 opt = getopt_long (argc, argv, optstring, longopts, 0);
|
|
|
928 if (opt == EOF)
|
|
|
929 break;
|
|
|
930
|
|
|
931 switch (opt)
|
|
|
932 {
|
|
|
933 case 0:
|
|
|
934 /* If getopt returns 0, then it has already processed a
|
|
|
935 long-named option. We should do nothing. */
|
|
|
936 break;
|
|
|
937
|
|
|
938 case 1:
|
|
|
939 /* This means that a file name has been seen. Record it. */
|
|
|
940 argbuffer[current_arg].arg_type = at_filename;
|
|
|
941 argbuffer[current_arg].what = optarg;
|
|
|
942 ++current_arg;
|
|
|
943 ++file_count;
|
|
|
944 break;
|
|
|
945
|
|
|
946 /* Common options. */
|
|
|
947 case 'a': append_to_tagfile = TRUE; break;
|
|
|
948 case 'C': cplusplus = TRUE; break;
|
|
|
949 case 'd': constantypedefs = TRUE; break;
|
|
|
950 case 'D': constantypedefs = FALSE; break;
|
|
|
951 case 'f': /* for compatibility with old makefiles */
|
|
|
952 case 'o':
|
|
|
953 if (tagfile)
|
|
|
954 {
|
|
|
955 /* convert char to string, to call error with */
|
|
|
956 char buf[2];
|
|
|
957 sprintf (buf, "%c", opt);
|
|
|
958 error ("-%s option may only be given once.", buf);
|
|
|
959 suggest_asking_for_help ();
|
|
|
960 }
|
|
|
961 tagfile = optarg;
|
|
|
962 break;
|
|
|
963 #ifdef OO_BROWSER
|
|
|
964 case 'O':
|
|
|
965 oo_browser_format = TRUE;
|
|
|
966 break;
|
|
|
967 #endif
|
|
|
968 case 'I':
|
|
|
969 case 'S': /* for backward compatibility */
|
|
|
970 noindentypedefs = TRUE;
|
|
|
971 break;
|
|
|
972 case 'l':
|
|
|
973 {
|
|
|
974 language *lang = get_language_from_name (optarg);
|
|
|
975 if (lang != NULL)
|
|
|
976 {
|
|
|
977 argbuffer[current_arg].lang = lang;
|
|
|
978 argbuffer[current_arg].arg_type = at_language;
|
|
|
979 ++current_arg;
|
|
|
980 }
|
|
|
981 }
|
|
|
982 break;
|
|
|
983 #ifdef ETAGS_REGEXPS
|
|
|
984 case 'r':
|
|
|
985 argbuffer[current_arg].arg_type = at_regexp;
|
|
|
986 argbuffer[current_arg].what = optarg;
|
|
|
987 ++current_arg;
|
|
|
988 break;
|
|
|
989 case 'R':
|
|
|
990 argbuffer[current_arg].arg_type = at_regexp;
|
|
|
991 argbuffer[current_arg].what = NULL;
|
|
|
992 ++current_arg;
|
|
|
993 break;
|
|
|
994 #endif /* ETAGS_REGEXPS */
|
|
|
995 case 'V':
|
|
|
996 print_version ();
|
|
|
997 break;
|
|
|
998 case 'h':
|
|
|
999 case 'H':
|
|
|
1000 print_help ();
|
|
|
1001 break;
|
|
|
1002 case 't':
|
|
|
1003 typedefs = TRUE;
|
|
|
1004 break;
|
|
|
1005 case 'T':
|
|
|
1006 typedefs = typedefs_and_cplusplus = TRUE;
|
|
|
1007 break;
|
|
|
1008 #if (!CTAGS)
|
|
|
1009 /* Etags options */
|
|
|
1010 case 'i':
|
|
|
1011 included_files[nincluded_files++] = optarg;
|
|
|
1012 break;
|
|
|
1013 #else /* CTAGS */
|
|
|
1014 /* Ctags options. */
|
|
|
1015 case 'B': searchar = '?'; break;
|
|
|
1016 case 'u': update = TRUE; break;
|
|
|
1017 case 'v': vgrind_style = TRUE; /*FALLTHRU*/
|
|
|
1018 case 'x': cxref_style = TRUE; break;
|
|
|
1019 case 'w': no_warnings = TRUE; break;
|
|
|
1020 #endif /* CTAGS */
|
|
|
1021 default:
|
|
|
1022 suggest_asking_for_help ();
|
|
|
1023 }
|
|
|
1024 }
|
|
|
1025
|
|
|
1026 for (; optind < argc; ++optind)
|
|
|
1027 {
|
|
|
1028 argbuffer[current_arg].arg_type = at_filename;
|
|
|
1029 argbuffer[current_arg].what = argv[optind];
|
|
|
1030 ++current_arg;
|
|
|
1031 ++file_count;
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 if (nincluded_files == 0 && file_count == 0)
|
|
|
1035 {
|
|
|
1036 error ("no input files specified.", 0);
|
|
|
1037 suggest_asking_for_help ();
|
|
|
1038 }
|
|
|
1039
|
|
|
1040 if (tagfile == NULL)
|
|
|
1041 tagfile = CTAGS ? "tags" : "TAGS";
|
|
|
1042 cwd = etags_getcwd (); /* the current working directory */
|
|
|
1043 if (cwd[strlen (cwd) - 1] != '/')
|
|
|
1044 {
|
|
|
1045 char *oldcwd = cwd;
|
|
|
1046 cwd = concat (oldcwd, "/", "");
|
|
|
1047 free (oldcwd);
|
|
|
1048 }
|
|
|
1049 if (streq (tagfile, "-"))
|
|
|
1050 tagfiledir = cwd;
|
|
|
1051 else
|
|
|
1052 tagfiledir = absolute_dirname (tagfile, cwd);
|
|
|
1053
|
|
|
1054 init (); /* set up boolean "functions" */
|
|
|
1055
|
|
|
1056 initbuffer (&lb);
|
|
|
1057 initbuffer (&token_name);
|
|
|
1058 initbuffer (&lbs[0].lb);
|
|
|
1059 initbuffer (&lbs[1].lb);
|
|
|
1060 initbuffer (&filename_lb);
|
|
|
1061
|
|
|
1062 if (!CTAGS)
|
|
|
1063 {
|
|
|
1064 if (streq (tagfile, "-"))
|
|
|
1065 {
|
|
|
1066 tagf = stdout;
|
|
|
1067 #ifdef DOS_NT
|
|
|
1068 /* Switch redirected `stdout' to binary mode (setting `_fmode'
|
|
|
1069 doesn't take effect until after `stdout' is already open). */
|
|
|
1070 if (!isatty (fileno (stdout)))
|
|
|
1071 setmode (fileno (stdout), O_BINARY);
|
|
|
1072 #endif /* DOS_NT */
|
|
|
1073 }
|
|
|
1074 else
|
|
|
1075 tagf = fopen (tagfile, append_to_tagfile ? "a" : "w");
|
|
|
1076 if (tagf == NULL)
|
|
|
1077 pfatal (tagfile);
|
|
|
1078 }
|
|
|
1079
|
|
|
1080 /*
|
|
|
1081 * Loop through files finding functions.
|
|
|
1082 */
|
|
|
1083 for (i = 0; i < current_arg; ++i)
|
|
|
1084 {
|
|
|
1085 switch (argbuffer[i].arg_type)
|
|
|
1086 {
|
|
|
1087 case at_language:
|
|
|
1088 forced_lang = argbuffer[i].lang;
|
|
|
1089 break;
|
|
|
1090 #ifdef ETAGS_REGEXPS
|
|
|
1091 case at_regexp:
|
|
|
1092 analyse_regex (argbuffer[i].what);
|
|
|
1093 break;
|
|
|
1094 #endif
|
|
|
1095 case at_filename:
|
|
|
1096 #ifdef VMS
|
|
|
1097 while ((this_file = gfnames (argbuffer[i].what, &got_err)) != NULL)
|
|
|
1098 {
|
|
|
1099 if (got_err)
|
|
|
1100 {
|
|
|
1101 error ("can't find file %s\n", this_file);
|
|
|
1102 argc--, argv++;
|
|
|
1103 }
|
|
|
1104 else
|
|
|
1105 {
|
|
|
1106 this_file = massage_name (this_file);
|
|
|
1107 }
|
|
|
1108 #else
|
|
|
1109 this_file = argbuffer[i].what;
|
|
|
1110 #endif
|
|
|
1111 #ifdef OO_BROWSER
|
|
|
1112 oo_browser_clear_all_globals();
|
|
|
1113 #endif
|
|
|
1114 /* Input file named "-" means read file names from stdin
|
|
|
1115 (one per line) and use them. */
|
|
|
1116 if (streq (this_file, "-"))
|
|
|
1117 while (readline_internal (&filename_lb, stdin) > 0)
|
|
|
1118 #ifdef OO_BROWSER
|
|
|
1119 {
|
|
|
1120 oo_browser_clear_some_globals();
|
|
|
1121 #endif
|
|
|
1122 process_file (filename_lb.buffer);
|
|
|
1123 #ifdef OO_BROWSER
|
|
|
1124 }
|
|
|
1125 #endif
|
|
|
1126 else
|
|
|
1127 process_file (this_file);
|
|
|
1128 #ifdef VMS
|
|
|
1129 }
|
|
|
1130 #endif
|
|
|
1131 break;
|
|
|
1132 }
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 #ifdef ETAGS_REGEXPS
|
|
|
1136 free_patterns ();
|
|
|
1137 #endif /* ETAGS_REGEXPS */
|
|
|
1138
|
|
|
1139 if (!CTAGS)
|
|
|
1140 {
|
|
|
1141 while (nincluded_files-- > 0)
|
|
|
1142 fprintf (tagf, "\f\n%s,include\n", *included_files++);
|
|
|
1143
|
|
|
1144 fclose (tagf);
|
|
|
1145 exit (GOOD);
|
|
|
1146 }
|
|
|
1147
|
|
|
1148 /* If CTAGS, we are here. process_file did not write the tags yet,
|
|
|
1149 because we want them ordered. Let's do it now. */
|
|
|
1150 if (cxref_style)
|
|
|
1151 {
|
|
|
1152 put_entries (head);
|
|
|
1153 exit (GOOD);
|
|
|
1154 }
|
|
|
1155
|
|
|
1156 if (update)
|
|
|
1157 {
|
|
|
1158 char cmd[BUFSIZ];
|
|
|
1159 for (i = 0; i < current_arg; ++i)
|
|
|
1160 {
|
|
|
1161 if (argbuffer[i].arg_type != at_filename)
|
|
|
1162 continue;
|
|
|
1163 sprintf (cmd,
|
|
|
1164 "mv %s OTAGS;fgrep -v '\t%s\t' OTAGS >%s;rm OTAGS",
|
|
|
1165 tagfile, argbuffer[i].what, tagfile);
|
|
|
1166 if (system (cmd) != GOOD)
|
|
|
1167 fatal ("failed to execute shell command", (char *)NULL);
|
|
|
1168 }
|
|
|
1169 append_to_tagfile = TRUE;
|
|
|
1170 }
|
|
|
1171
|
|
|
1172 tagf = fopen (tagfile, append_to_tagfile ? "a" : "w");
|
|
|
1173 if (tagf == NULL)
|
|
|
1174 pfatal (tagfile);
|
|
|
1175 put_entries (head);
|
|
|
1176 fclose (tagf);
|
|
|
1177
|
|
|
1178 if (update)
|
|
|
1179 {
|
|
|
1180 char cmd[BUFSIZ];
|
|
|
1181 sprintf (cmd, "sort %s -o %s", tagfile, tagfile);
|
|
|
1182 exit (system (cmd));
|
|
|
1183 }
|
|
|
1184 return GOOD;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187
|
|
|
1188 /*
|
|
|
1189 * Return a language given the name.
|
|
|
1190 */
|
|
|
1191 language *
|
|
|
1192 get_language_from_name (name)
|
|
|
1193 char *name;
|
|
|
1194 {
|
|
|
1195 language *lang;
|
|
|
1196
|
|
|
1197 if (name == NULL)
|
|
|
1198 error ("empty language name", (char *)NULL);
|
|
|
1199 else
|
|
|
1200 {
|
|
|
1201 for (lang = lang_names; lang->name != NULL; lang++)
|
|
|
1202 if (streq (name, lang->name))
|
|
|
1203 return lang;
|
|
|
1204 error ("unknown language \"%s\"", name);
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 return NULL;
|
|
|
1208 }
|
|
|
1209
|
|
|
1210
|
|
|
1211 /*
|
|
|
1212 * Return a language given the interpreter name.
|
|
|
1213 */
|
|
|
1214 language *
|
|
|
1215 get_language_from_interpreter (interpreter)
|
|
|
1216 char *interpreter;
|
|
|
1217 {
|
|
|
1218 language *lang;
|
|
|
1219 char **iname;
|
|
|
1220
|
|
|
1221 if (interpreter == NULL)
|
|
|
1222 return NULL;
|
|
|
1223 for (lang = lang_names; lang->name != NULL; lang++)
|
|
|
1224 if (lang->interpreters != NULL)
|
|
|
1225 for (iname = lang->interpreters; *iname != NULL; iname++)
|
|
|
1226 if (streq (*iname, interpreter))
|
|
|
1227 return lang;
|
|
|
1228
|
|
|
1229 return NULL;
|
|
|
1230 }
|
|
|
1231
|
|
|
1232
|
|
|
1233
|
|
|
1234 /*
|
|
|
1235 * Return a language given the file suffix.
|
|
|
1236 */
|
|
|
1237 language *
|
|
|
1238 get_language_from_suffix (suffix)
|
|
|
1239 char *suffix;
|
|
|
1240 {
|
|
|
1241 language *lang;
|
|
|
1242 char **ext;
|
|
|
1243
|
|
|
1244 if (suffix == NULL)
|
|
|
1245 return NULL;
|
|
|
1246 for (lang = lang_names; lang->name != NULL; lang++)
|
|
|
1247 if (lang->suffixes != NULL)
|
|
|
1248 for (ext = lang->suffixes; *ext != NULL; ext++)
|
|
|
1249 if (streq (*ext, suffix))
|
|
|
1250 return lang;
|
|
|
1251
|
|
|
1252 return NULL;
|
|
|
1253 }
|
|
|
1254
|
|
|
1255
|
|
|
1256 /*
|
|
|
1257 * This routine is called on each file argument.
|
|
|
1258 */
|
|
|
1259 void
|
|
|
1260 process_file (file)
|
|
|
1261 char *file;
|
|
|
1262 {
|
|
|
1263 struct stat stat_buf;
|
|
|
1264 FILE *inf;
|
|
|
1265
|
|
|
1266 canonicalize_filename (file);
|
|
|
1267 if (stat (file, &stat_buf) == 0 && !S_ISREG (stat_buf.st_mode))
|
|
|
1268 {
|
|
|
1269 error ("skipping %s: it is not a regular file.", file);
|
|
|
1270 return;
|
|
|
1271 }
|
|
|
1272 if (streq (file, tagfile) && !streq (tagfile, "-"))
|
|
|
1273 {
|
|
|
1274 error ("skipping inclusion of %s in self.", file);
|
|
|
1275 return;
|
|
|
1276 }
|
|
|
1277 inf = fopen (file, "r");
|
|
|
1278 if (inf == NULL)
|
|
|
1279 {
|
|
|
1280 perror (file);
|
|
|
1281 return;
|
|
|
1282 }
|
|
|
1283
|
|
|
1284 find_entries (file, inf);
|
|
|
1285
|
|
|
1286 if (!CTAGS)
|
|
|
1287 {
|
|
|
1288 char *filename;
|
|
|
1289
|
|
|
1290 if (filename_is_absolute (file))
|
|
|
1291 {
|
|
|
1292 /* file is an absolute file name. Canonicalise it. */
|
|
|
1293 filename = absolute_filename (file, cwd);
|
|
|
1294 }
|
|
|
1295 else
|
|
|
1296 {
|
|
|
1297 /* file is a file name relative to cwd. Make it relative
|
|
|
1298 to the directory of the tags file. */
|
|
|
1299 filename = relative_filename (file, tagfiledir);
|
|
|
1300 }
|
|
|
1301 #ifdef OO_BROWSER
|
|
|
1302 if (oo_browser_format)
|
|
|
1303 fprintf (tagf, "\f\n%s\n", filename);
|
|
|
1304 else
|
|
|
1305 #endif
|
|
|
1306 fprintf (tagf, "\f\n%s,%d\n", filename, total_size_of_entries (head));
|
|
|
1307 free (filename);
|
|
|
1308 put_entries (head);
|
|
|
1309 free_tree (head);
|
|
|
1310 head = NULL;
|
|
|
1311 }
|
|
|
1312 }
|
|
|
1313
|
|
|
1314 /*
|
|
|
1315 * This routine sets up the boolean pseudo-functions which work
|
|
|
1316 * by setting boolean flags dependent upon the corresponding character.
|
|
|
1317 * Every char which is NOT in that string is not a white char. Therefore,
|
|
|
1318 * all of the array "_wht" is set to FALSE, and then the elements
|
|
|
1319 * subscripted by the chars in "white" are set to TRUE. Thus "_wht"
|
|
|
1320 * of a char is TRUE if it is the string "white", else FALSE.
|
|
|
1321 */
|
|
|
1322 void
|
|
|
1323 init ()
|
|
|
1324 {
|
|
|
1325 register char *sp;
|
|
|
1326 register int i;
|
|
|
1327
|
|
|
1328 for (i = 0; i < CHARS; i++)
|
|
|
1329 iswhite(i) = notinname(i) = begtoken(i) = intoken(i) = endtoken(i) = FALSE;
|
|
|
1330 for (sp = white; *sp != '\0'; sp++) iswhite (*sp) = TRUE;
|
|
|
1331 for (sp = nonam; *sp != '\0'; sp++) notinname (*sp) = TRUE;
|
|
|
1332 for (sp = begtk; *sp != '\0'; sp++) begtoken (*sp) = TRUE;
|
|
|
1333 for (sp = midtk; *sp != '\0'; sp++) intoken (*sp) = TRUE;
|
|
|
1334 for (sp = endtk; *sp != '\0'; sp++) endtoken (*sp) = TRUE;
|
|
|
1335 iswhite('\0') = iswhite('\n');
|
|
|
1336 notinname('\0') = notinname('\n');
|
|
|
1337 begtoken('\0') = begtoken('\n');
|
|
|
1338 intoken('\0') = intoken('\n');
|
|
|
1339 endtoken('\0') = endtoken('\n');
|
|
|
1340 }
|
|
|
1341
|
|
|
1342 /*
|
|
|
1343 * This routine opens the specified file and calls the function
|
|
|
1344 * which finds the function and type definitions.
|
|
|
1345 */
|
|
|
1346 node *last_node = NULL;
|
|
|
1347
|
|
|
1348 void
|
|
|
1349 find_entries (file, inf)
|
|
|
1350 char *file;
|
|
|
1351 FILE *inf;
|
|
|
1352 {
|
|
|
1353 char *cp;
|
|
|
1354 language *lang;
|
|
|
1355 node *old_last_node;
|
|
|
1356
|
|
|
1357 curfile = savestr (file);
|
|
|
1358
|
|
|
1359 /* If user specified a language, use it. */
|
|
|
1360 lang = forced_lang;
|
|
|
1361 if (lang != NULL && lang->function != NULL)
|
|
|
1362 {
|
|
|
1363 curlang = lang;
|
|
|
1364 lang->function (inf);
|
|
|
1365 free (curfile);
|
|
|
1366 fclose (inf);
|
|
|
1367 return;
|
|
|
1368 }
|
|
|
1369
|
|
|
1370 cp = etags_strrchr (file, '.');
|
|
|
1371 if (cp != NULL)
|
|
|
1372 {
|
|
|
1373 cp += 1;
|
|
|
1374 lang = get_language_from_suffix (cp);
|
|
|
1375 if (lang != NULL && lang->function != NULL)
|
|
|
1376 {
|
|
|
1377 curlang = lang;
|
|
|
1378 lang->function (inf);
|
|
|
1379 free (curfile);
|
|
|
1380 fclose (inf);
|
|
|
1381 return;
|
|
|
1382 }
|
|
|
1383 }
|
|
|
1384
|
|
|
1385 /* Look for sharp-bang as the first two characters. */
|
|
|
1386 if (readline_internal (&lb, inf) > 0
|
|
|
1387 && lb.len >= 2
|
|
|
1388 && lb.buffer[0] == '#'
|
|
|
1389 && lb.buffer[1] == '!')
|
|
|
1390 {
|
|
|
1391 char *lp;
|
|
|
1392
|
|
|
1393 /* Set lp to point at the first char after the last slash in the
|
|
|
1394 line or, if no slashes, at the first nonblank. Then set cp to
|
|
|
1395 the first successive blank and terminate the string. */
|
|
|
1396 lp = etags_strrchr (lb.buffer+2, '/');
|
|
|
1397 if (lp != NULL)
|
|
|
1398 lp += 1;
|
|
|
1399 else
|
|
|
1400 lp = skip_spaces (lb.buffer + 2);
|
|
|
1401 cp = skip_non_spaces (lp);
|
|
|
1402 *cp = '\0';
|
|
|
1403
|
|
|
1404 if (strlen (lp) > 0)
|
|
|
1405 {
|
|
|
1406 lang = get_language_from_interpreter (lp);
|
|
|
1407 if (lang != NULL && lang->function != NULL)
|
|
|
1408 {
|
|
|
1409 curlang = lang;
|
|
|
1410 lang->function (inf);
|
|
|
1411 fclose (inf);
|
|
|
1412 free (curfile);
|
|
|
1413 return;
|
|
|
1414 }
|
|
|
1415 }
|
|
|
1416 }
|
|
|
1417 rewind (inf);
|
|
|
1418
|
|
|
1419 /* Try Fortran. */
|
|
|
1420 old_last_node = last_node;
|
|
|
1421 curlang = get_language_from_name ("fortran");
|
|
|
1422 Fortran_functions (inf);
|
|
|
1423
|
|
|
1424 /* No Fortran entries found. Try C. */
|
|
|
1425 if (old_last_node == last_node)
|
|
|
1426 {
|
|
|
1427 rewind (inf);
|
|
|
1428 curlang = get_language_from_name (cplusplus ? "c++" : "c");
|
|
|
1429 default_C_entries (inf);
|
|
|
1430 }
|
|
|
1431 free (curfile);
|
|
|
1432 fclose (inf);
|
|
|
1433 return;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 /* Record a tag. */
|
|
|
1437 void
|
|
|
1438 pfnote (name, is_func, linestart, linelen, lno, cno)
|
|
|
1439 char *name; /* tag name, or NULL if unnamed */
|
|
|
1440 bool is_func; /* tag is a function */
|
|
|
1441 char *linestart; /* start of the line where tag is */
|
|
|
1442 int linelen; /* length of the line where tag is */
|
|
|
1443 int lno; /* line number */
|
|
|
1444 long cno; /* character number */
|
|
|
1445 {
|
|
|
1446 register node *np;
|
|
|
1447
|
|
|
1448 if (CTAGS && name == NULL)
|
|
|
1449 return;
|
|
|
1450
|
|
|
1451 np = xnew (1, node);
|
|
|
1452
|
|
|
1453 /* If ctags mode, change name "main" to M<thisfilename>. */
|
|
|
1454 if (CTAGS && !cxref_style && streq (name, "main"))
|
|
|
1455 {
|
|
|
1456 register char *fp = etags_strrchr (curfile, '/');
|
|
|
1457 np->name = concat ("M", fp == 0 ? curfile : fp + 1, "");
|
|
|
1458 fp = etags_strrchr (np->name, '.');
|
|
|
1459 if (fp && fp[1] != '\0' && fp[2] == '\0')
|
|
|
1460 fp[0] = 0;
|
|
|
1461 }
|
|
|
1462 else
|
|
|
1463 np->name = name;
|
|
|
1464 np->been_warned = FALSE;
|
|
|
1465 np->file = curfile;
|
|
|
1466 np->is_func = is_func;
|
|
|
1467 np->lno = lno;
|
|
|
1468 /* Our char numbers are 0-base, because of C language tradition?
|
|
|
1469 ctags compatibility? old versions compatibility? I don't know.
|
|
|
1470 Anyway, since emacs's are 1-base we expect etags.el to take care
|
|
|
1471 of the difference. If we wanted to have 1-based numbers, we would
|
|
|
1472 uncomment the +1 below. */
|
|
|
1473 np->cno = cno /* + 1 */ ;
|
|
|
1474 np->left = np->right = NULL;
|
|
|
1475 if (CTAGS && !cxref_style)
|
|
|
1476 {
|
|
|
1477 if (strlen (linestart) < 50)
|
|
|
1478 np->pat = concat (linestart, "$", "");
|
|
|
1479 else
|
|
|
1480 np->pat = savenstr (linestart, 50);
|
|
|
1481 }
|
|
|
1482 else
|
|
|
1483 np->pat = savenstr (linestart, linelen);
|
|
|
1484
|
|
|
1485 #ifdef OO_BROWSER
|
|
|
1486 if (oo_browser_format)
|
|
|
1487 np->construct = oo_browser_construct;
|
|
|
1488 oo_browser_construct = C_NULL;
|
|
|
1489 oo_browser_check_and_clear_structtype();
|
|
|
1490 #endif
|
|
|
1491
|
|
|
1492 add_node (np, &head);
|
|
|
1493 }
|
|
|
1494
|
|
|
1495 /* Date: Wed, 22 Jan 1997 02:56:31 -0500 [last amended 18 Sep 1997]
|
|
|
1496 * From: Sam Kendall <kendall@mv.mv.com>
|
|
|
1497 * Subject: Proposal for firming up the TAGS format specification
|
|
|
1498 * To: F.Potorti@cnuce.cnr.it
|
|
|
1499 *
|
|
|
1500 * pfnote should emit the optimized form [unnamed tag] only if:
|
|
|
1501 * 1. name does not contain any of the characters " \t\r\n(),;";
|
|
|
1502 * 2. linestart contains name as either a rightmost, or rightmost but
|
|
|
1503 * one character, substring;
|
|
|
1504 * 3. the character, if any, immediately before name in linestart must
|
|
|
1505 * be one of the characters " \t(),;";
|
|
|
1506 * 4. the character, if any, immediately after name in linestart must
|
|
|
1507 * also be one of the characters " \t(),;".
|
|
|
1508 *
|
|
|
1509 * The real implementation uses the notinname() macro, which recognises
|
|
|
1510 * characters slightly different form " \t\r\n(),;". See the variable
|
|
|
1511 * `nonam'.
|
|
|
1512 */
|
|
|
1513 #define traditional_tag_style TRUE
|
|
|
1514 void
|
|
|
1515 new_pfnote (name, namelen, is_func, linestart, linelen, lno, cno)
|
|
|
1516 char *name; /* tag name, or NULL if unnamed */
|
|
|
1517 int namelen; /* tag length */
|
|
|
1518 bool is_func; /* tag is a function */
|
|
|
1519 char *linestart; /* start of the line where tag is */
|
|
|
1520 int linelen; /* length of the line where tag is */
|
|
|
1521 int lno; /* line number */
|
|
|
1522 long cno; /* character number */
|
|
|
1523 {
|
|
|
1524 register char *cp;
|
|
|
1525 bool named;
|
|
|
1526
|
|
|
1527 named = TRUE;
|
|
|
1528 if (!CTAGS)
|
|
|
1529 {
|
|
|
1530 for (cp = name; !notinname (*cp); cp++)
|
|
|
1531 continue;
|
|
|
1532 if (*cp == '\0') /* rule #1 */
|
|
|
1533 {
|
|
|
1534 cp = linestart + linelen - namelen;
|
|
|
1535 if (notinname (linestart[linelen-1]))
|
|
|
1536 cp -= 1; /* rule #4 */
|
|
|
1537 #ifdef OO_BROWSER
|
|
|
1538 if (!oo_browser_format
|
|
|
1539 && cp >= linestart /* rule #2 */
|
|
|
1540 #else
|
|
|
1541 if (cp >= linestart /* rule #2 */
|
|
|
1542 #endif
|
|
|
1543 && (cp == linestart
|
|
|
1544 || notinname (cp[-1])) /* rule #3 */
|
|
|
1545 && strneq (name, cp, namelen)) /* rule #2 */
|
|
|
1546 named = FALSE; /* use unnamed tag */
|
|
|
1547 }
|
|
|
1548 }
|
|
|
1549
|
|
|
1550 if (named)
|
|
|
1551 name = savenstr (name, namelen);
|
|
|
1552 else
|
|
|
1553 name = NULL;
|
|
|
1554 pfnote (name, is_func, linestart, linelen, lno, cno);
|
|
|
1555 }
|
|
|
1556
|
|
|
1557 /*
|
|
|
1558 * free_tree ()
|
|
|
1559 * recurse on left children, iterate on right children.
|
|
|
1560 */
|
|
|
1561 void
|
|
|
1562 free_tree (np)
|
|
|
1563 register node *np;
|
|
|
1564 {
|
|
|
1565 while (np)
|
|
|
1566 {
|
|
|
1567 register node *node_right = np->right;
|
|
|
1568 free_tree (np->left);
|
|
|
1569 if (np->name != NULL)
|
|
|
1570 free (np->name);
|
|
|
1571 free (np->pat);
|
|
|
1572 free (np);
|
|
|
1573 np = node_right;
|
|
|
1574 }
|
|
|
1575 }
|
|
|
1576
|
|
|
1577 /*
|
|
|
1578 * add_node ()
|
|
|
1579 * Adds a node to the tree of nodes. In etags mode, we don't keep
|
|
|
1580 * it sorted; we just keep a linear list. In ctags mode, maintain
|
|
|
1581 * an ordered tree, with no attempt at balancing.
|
|
|
1582 *
|
|
|
1583 * add_node is the only function allowed to add nodes, so it can
|
|
|
1584 * maintain state.
|
|
|
1585 */
|
|
|
1586 void
|
|
|
1587 add_node (np, cur_node_p)
|
|
|
1588 node *np, **cur_node_p;
|
|
|
1589 {
|
|
|
1590 register int dif;
|
|
|
1591 register node *cur_node = *cur_node_p;
|
|
|
1592
|
|
|
1593 if (cur_node == NULL)
|
|
|
1594 {
|
|
|
1595 *cur_node_p = np;
|
|
|
1596 last_node = np;
|
|
|
1597 return;
|
|
|
1598 }
|
|
|
1599
|
|
|
1600 if (!CTAGS)
|
|
|
1601 {
|
|
|
1602 /* Etags Mode */
|
|
|
1603 if (last_node == NULL)
|
|
|
1604 fatal ("internal error in add_node", (char *)NULL);
|
|
|
1605 last_node->right = np;
|
|
|
1606 last_node = np;
|
|
|
1607 }
|
|
|
1608 else
|
|
|
1609 {
|
|
|
1610 /* Ctags Mode */
|
|
|
1611 dif = strcmp (np->name, cur_node->name);
|
|
|
1612
|
|
|
1613 /*
|
|
|
1614 * If this tag name matches an existing one, then
|
|
|
1615 * do not add the node, but maybe print a warning.
|
|
|
1616 */
|
|
|
1617 if (!dif)
|
|
|
1618 {
|
|
|
1619 if (streq (np->file, cur_node->file))
|
|
|
1620 {
|
|
|
1621 if (!no_warnings)
|
|
|
1622 {
|
|
|
1623 fprintf (stderr, "Duplicate entry in file %s, line %d: %s\n",
|
|
|
1624 np->file, lineno, np->name);
|
|
|
1625 fprintf (stderr, "Second entry ignored\n");
|
|
|
1626 }
|
|
|
1627 }
|
|
|
1628 else if (!cur_node->been_warned && !no_warnings)
|
|
|
1629 {
|
|
|
1630 fprintf
|
|
|
1631 (stderr,
|
|
|
1632 "Duplicate entry in files %s and %s: %s (Warning only)\n",
|
|
|
1633 np->file, cur_node->file, np->name);
|
|
|
1634 cur_node->been_warned = TRUE;
|
|
|
1635 }
|
|
|
1636 return;
|
|
|
1637 }
|
|
|
1638
|
|
|
1639 /* Actually add the node */
|
|
|
1640 add_node (np, dif < 0 ? &cur_node->left : &cur_node->right);
|
|
|
1641 }
|
|
|
1642 }
|
|
|
1643
|
|
|
1644 #ifdef OO_BROWSER
|
|
|
1645 /* Default class name for the current OO-Browser tag. */
|
|
|
1646 static char *oo_browser_class;
|
|
|
1647 /* Prefix character to use in OO-Browser listings for the current tag. */
|
|
|
1648 static char oo_browser_prefix;
|
|
|
1649 #endif
|
|
|
1650
|
|
|
1651 void
|
|
398
|
1652 put_entries (node *np)
|
|
282
|
1653 {
|
|
|
1654 register char *sp;
|
|
|
1655
|
|
|
1656 if (np == NULL)
|
|
|
1657 return;
|
|
|
1658
|
|
|
1659 /* Output subentries that precede this one */
|
|
|
1660 put_entries (np->left);
|
|
|
1661
|
|
|
1662 /* Output this entry */
|
|
|
1663
|
|
|
1664 if (!CTAGS)
|
|
|
1665 {
|
|
|
1666 #ifdef OO_BROWSER
|
|
|
1667 if (oo_browser_format)
|
|
|
1668 {
|
|
|
1669 /* Omit C++ `class' and `method' entries as well as Objective-C
|
|
|
1670 entries from this OO-Browser tags file since the browser handles
|
|
|
1671 them independently of this file. Omit `extern' variable declarations
|
|
|
1672 as they are unused by the OO-Browser. */
|
|
|
1673 if (np->construct != C_CLASS
|
|
|
1674 && np->construct != C_METHOD
|
|
|
1675 && np->construct != C_EXTERN
|
|
|
1676 && np->construct != C_OBJC)
|
|
|
1677 {
|
|
|
1678 oo_browser_class = oo_browser_default_classes[np->construct];
|
|
|
1679 switch (np->construct)
|
|
|
1680 {
|
|
|
1681 case C_CONSTANT:
|
|
|
1682 case C_ENUMERATION:
|
|
|
1683 case C_ENUM_LABEL:
|
|
|
1684 case C_STRUCTURE:
|
|
|
1685 case C_TYPE:
|
|
|
1686 case C_UNION:
|
|
|
1687 case C_VARIABLE:
|
|
|
1688 oo_browser_prefix = '=';
|
|
|
1689 break;
|
|
|
1690 case C_FUNCTION:
|
|
|
1691 case C_MACRO:
|
|
|
1692 oo_browser_prefix = '-';
|
|
|
1693 break;
|
|
|
1694 }
|
|
|
1695 if (np->name != NULL)
|
|
|
1696 fprintf (tagf, "%s@%c %s@%s\n",
|
|
|
1697 oo_browser_class, oo_browser_prefix,
|
|
|
1698 np->name, np->pat);
|
|
|
1699 else
|
|
|
1700 fprintf (tagf, "%s@%c ???@%s\n",
|
|
|
1701 oo_browser_class, oo_browser_prefix, np->pat);
|
|
|
1702 }
|
|
|
1703 }
|
|
|
1704 else
|
|
|
1705 {
|
|
|
1706 #endif
|
|
|
1707 if (np->name != NULL)
|
|
|
1708 fprintf (tagf, "%s\177%s\001%d,%ld\n",
|
|
|
1709 np->pat, np->name, np->lno, np->cno);
|
|
|
1710 else
|
|
|
1711 fprintf (tagf, "%s\177%d,%ld\n",
|
|
|
1712 np->pat, np->lno, np->cno);
|
|
|
1713 #ifdef OO_BROWSER
|
|
|
1714 }
|
|
|
1715 #endif
|
|
|
1716 }
|
|
|
1717 else
|
|
|
1718 {
|
|
|
1719 if (np->name == NULL)
|
|
|
1720 error ("internal error: NULL name in ctags mode.", (char *)NULL);
|
|
|
1721
|
|
|
1722 if (cxref_style)
|
|
|
1723 {
|
|
|
1724 if (vgrind_style)
|
|
|
1725 fprintf (stdout, "%s %s %d\n",
|
|
|
1726 np->name, np->file, (np->lno + 63) / 64);
|
|
|
1727 else
|
|
|
1728 fprintf (stdout, "%-16s %3d %-16s %s\n",
|
|
|
1729 np->name, np->lno, np->file, np->pat);
|
|
|
1730 }
|
|
|
1731 else
|
|
|
1732 {
|
|
|
1733 fprintf (tagf, "%s\t%s\t", np->name, np->file);
|
|
|
1734
|
|
|
1735 if (np->is_func)
|
|
|
1736 { /* a function */
|
|
|
1737 putc (searchar, tagf);
|
|
|
1738 putc ('^', tagf);
|
|
|
1739
|
|
|
1740 for (sp = np->pat; *sp; sp++)
|
|
|
1741 {
|
|
|
1742 if (*sp == '\\' || *sp == searchar)
|
|
|
1743 putc ('\\', tagf);
|
|
|
1744 putc (*sp, tagf);
|
|
|
1745 }
|
|
|
1746 putc (searchar, tagf);
|
|
|
1747 }
|
|
|
1748 else
|
|
|
1749 { /* a typedef; text pattern inadequate */
|
|
|
1750 fprintf (tagf, "%d", np->lno);
|
|
|
1751 }
|
|
|
1752 putc ('\n', tagf);
|
|
|
1753 }
|
|
|
1754 }
|
|
|
1755
|
|
|
1756 /* Output subentries that follow this one */
|
|
|
1757 put_entries (np->right);
|
|
|
1758 }
|
|
|
1759
|
|
|
1760 /* Length of a number's decimal representation. */
|
|
|
1761 int number_len PP ((long num));
|
|
|
1762 int
|
|
|
1763 number_len (num)
|
|
|
1764 long num;
|
|
|
1765 {
|
|
|
1766 int len = 1;
|
|
|
1767 while ((num /= 10) > 0)
|
|
|
1768 len += 1;
|
|
|
1769 return len;
|
|
|
1770 }
|
|
|
1771
|
|
|
1772 /*
|
|
|
1773 * Return total number of characters that put_entries will output for
|
|
|
1774 * the nodes in the subtree of the specified node. Works only if
|
|
|
1775 * we are not ctags, but called only in that case. This count
|
|
|
1776 * is irrelevant with the new tags.el, but is still supplied for
|
|
|
1777 * backward compatibility.
|
|
|
1778 */
|
|
|
1779 int
|
|
|
1780 total_size_of_entries (np)
|
|
|
1781 register node *np;
|
|
|
1782 {
|
|
|
1783 register int total;
|
|
|
1784
|
|
|
1785 if (np == NULL)
|
|
|
1786 return 0;
|
|
|
1787
|
|
|
1788 for (total = 0; np != NULL; np = np->right)
|
|
|
1789 {
|
|
|
1790 /* Count left subentries. */
|
|
|
1791 total += total_size_of_entries (np->left);
|
|
|
1792
|
|
|
1793 /* Count this entry */
|
|
|
1794 total += strlen (np->pat) + 1;
|
|
|
1795 total += number_len ((long) np->lno) + 1 + number_len (np->cno) + 1;
|
|
|
1796 if (np->name != NULL)
|
|
|
1797 total += 1 + strlen (np->name); /* \001name */
|
|
|
1798 }
|
|
|
1799
|
|
|
1800 return total;
|
|
|
1801 }
|
|
|
1802
|
|
|
1803 /*
|
|
|
1804 * The C symbol tables.
|
|
|
1805 */
|
|
|
1806 enum sym_type
|
|
|
1807 {
|
|
|
1808 st_none,
|
|
|
1809 st_C_objprot, st_C_objimpl, st_C_objend,
|
|
|
1810 st_C_gnumacro,
|
|
|
1811 st_C_ignore,
|
|
|
1812 st_C_javastruct,
|
|
|
1813 st_C_struct, st_C_enum, st_C_define, st_C_typedef, st_C_typespec,
|
|
|
1814 st_C_const
|
|
|
1815 #ifdef OO_BROWSER
|
|
|
1816 , st_C_union, st_C_class, st_C_extern, st_C_inline
|
|
|
1817 #endif
|
|
|
1818 };
|
|
|
1819
|
|
|
1820 /* Feed stuff between (but not including) %[ and %] lines to:
|
|
|
1821 gperf -c -k 1,3 -o -p -r -t
|
|
|
1822 %[
|
|
|
1823 struct C_stab_entry { char *name; int c_ext; enum sym_type type; }
|
|
|
1824 %%
|
|
|
1825 @interface, 0, st_C_objprot
|
|
|
1826 @protocol, 0, st_C_objprot
|
|
|
1827 @implementation,0, st_C_objimpl
|
|
|
1828 @end, 0, st_C_objend
|
|
|
1829 import, C_JAVA, st_C_ignore
|
|
|
1830 package, C_JAVA, st_C_ignore
|
|
|
1831 friend, C_PLPL, st_C_ignore
|
|
|
1832 extends, C_JAVA, st_C_javastruct
|
|
|
1833 implements, C_JAVA, st_C_javastruct
|
|
|
1834 interface, C_JAVA, st_C_struct
|
|
|
1835 class, C_PLPL, st_C_class
|
|
|
1836 namespace, C_PLPL, st_C_struct
|
|
|
1837 domain, C_STAR, st_C_struct
|
|
|
1838 union, 0, st_C_union
|
|
|
1839 struct, 0, st_C_struct
|
|
|
1840 enum, 0, st_C_enum
|
|
|
1841 typedef, 0, st_C_typedef
|
|
|
1842 define, 0, st_C_define
|
|
|
1843 inline, 0, st_C_inline
|
|
|
1844 bool, C_PLPL, st_C_typespec
|
|
|
1845 long, 0, st_C_typespec
|
|
|
1846 short, 0, st_C_typespec
|
|
|
1847 int, 0, st_C_typespec
|
|
|
1848 char, 0, st_C_typespec
|
|
|
1849 float, 0, st_C_typespec
|
|
|
1850 double, 0, st_C_typespec
|
|
|
1851 signed, 0, st_C_typespec
|
|
|
1852 unsigned, 0, st_C_typespec
|
|
|
1853 auto, 0, st_C_typespec
|
|
|
1854 void, 0, st_C_typespec
|
|
|
1855 extern, 0, st_C_extern
|
|
|
1856 static, 0, st_C_typespec
|
|
|
1857 const, 0, st_C_const
|
|
|
1858 volatile, 0, st_C_typespec
|
|
|
1859 explicit, C_PLPL, st_C_typespec
|
|
|
1860 mutable, C_PLPL, st_C_typespec
|
|
|
1861 typename, C_PLPL, st_C_typespec
|
|
|
1862 # DEFUN used in emacs, the next three used in glibc (SYSCALL only for mach).
|
|
|
1863 DEFUN, 0, st_C_gnumacro
|
|
|
1864 SYSCALL, 0, st_C_gnumacro
|
|
|
1865 ENTRY, 0, st_C_gnumacro
|
|
|
1866 PSEUDO, 0, st_C_gnumacro
|
|
|
1867 # These are defined inside C functions, so currently they are not met.
|
|
|
1868 # EXFUN used in glibc, DEFVAR_* in emacs.
|
|
|
1869 #EXFUN, 0, st_C_gnumacro
|
|
|
1870 #DEFVAR_, 0, st_C_gnumacro
|
|
|
1871 %]
|
|
|
1872 and replace lines between %< and %> with its output. */
|
|
|
1873 /*%<*/
|
|
|
1874 /* C code produced by gperf version 2.5 (GNU C++ version) */
|
|
|
1875 /* Command-line: gperf -c -k 1,3 -o -p -r -t */
|
|
|
1876 struct C_stab_entry { char *name; int c_ext; enum sym_type type; };
|
|
|
1877
|
|
|
1878 #define TOTAL_KEYWORDS 41
|
|
|
1879 #define MIN_WORD_LENGTH 3
|
|
|
1880 #define MAX_WORD_LENGTH 15
|
|
|
1881 #define MIN_HASH_VALUE 13
|
|
|
1882 #define MAX_HASH_VALUE 129
|
|
|
1883 /* maximum key range = 117, duplicates = 0 */
|
|
|
1884
|
|
|
1885 static unsigned int
|
|
398
|
1886 hash (char *str, unsigned int len)
|
|
282
|
1887 {
|
|
|
1888 static unsigned char asso_values[] =
|
|
|
1889 {
|
|
|
1890 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1891 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1892 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1893 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1894 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1895 130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1896 130, 130, 130, 130, 13, 130, 130, 130, 33, 32,
|
|
|
1897 47, 130, 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1898 5, 130, 130, 20, 32, 130, 130, 130, 130, 130,
|
|
|
1899 130, 130, 130, 130, 130, 130, 130, 47, 55, 8,
|
|
|
1900 15, 33, 61, 38, 130, 60, 130, 130, 2, 9,
|
|
|
1901 10, 62, 59, 130, 28, 27, 50, 19, 3, 130,
|
|
|
1902 130, 130, 130, 130, 130, 130, 130, 130,
|
|
|
1903 };
|
|
398
|
1904 return len +
|
|
|
1905 asso_values[(unsigned char) str[2]] +
|
|
|
1906 asso_values[(unsigned char) str[0]];
|
|
282
|
1907 }
|
|
|
1908
|
|
398
|
1909 static struct C_stab_entry *
|
|
|
1910 in_word_set (char *str, unsigned int len)
|
|
282
|
1911 {
|
|
|
1912 static struct C_stab_entry wordlist[] =
|
|
|
1913 {
|
|
|
1914 {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
|
|
|
1915 {"",}, {"",}, {"",}, {"",},
|
|
|
1916 {"volatile", 0, st_C_typespec},
|
|
|
1917 {"",}, {"",},
|
|
|
1918 {"long", 0, st_C_typespec},
|
|
|
1919 {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
|
|
|
1920 {"const", 0, st_C_const},
|
|
|
1921 {"",}, {"",}, {"",},
|
|
|
1922 {"@end", 0, st_C_objend},
|
|
|
1923 {"namespace", C_PLPL, st_C_struct},
|
|
|
1924 {"",},
|
|
|
1925 {"domain", C_STAR, st_C_struct},
|
|
|
1926 {"",}, {"",},
|
|
|
1927 {"@interface", 0, st_C_objprot},
|
|
|
1928 {"",}, {"",}, {"",},
|
|
|
1929 {"@implementation", 0, st_C_objimpl},
|
|
|
1930 {"",}, {"",},
|
|
|
1931 {"double", 0, st_C_typespec},
|
|
|
1932 {"",}, {"",},
|
|
|
1933 {"PSEUDO", 0, st_C_gnumacro},
|
|
|
1934 {"",}, {"",}, {"",},
|
|
|
1935 {"SYSCALL", 0, st_C_gnumacro},
|
|
|
1936 {"",}, {"",},
|
|
|
1937 {"@protocol", 0, st_C_objprot},
|
|
|
1938 {"",}, {"",}, {"",},
|
|
|
1939 {"unsigned", 0, st_C_typespec},
|
|
|
1940 {"",},
|
|
|
1941 {"enum", 0, st_C_enum},
|
|
|
1942 {"",}, {"",},
|
|
|
1943 {"char", 0, st_C_typespec},
|
|
|
1944 {"class", C_PLPL, st_C_class},
|
|
|
1945 {"struct", 0, st_C_struct},
|
|
|
1946 {"",}, {"",}, {"",}, {"",},
|
|
|
1947 {"mutable", C_PLPL, st_C_typespec},
|
|
|
1948 {"void", 0, st_C_typespec},
|
|
|
1949 {"inline", 0, st_C_inline},
|
|
|
1950 {"ENTRY", 0, st_C_gnumacro},
|
|
|
1951 {"",},
|
|
|
1952 {"signed", 0, st_C_typespec},
|
|
|
1953 {"",}, {"",},
|
|
|
1954 {"package", C_JAVA, st_C_ignore},
|
|
|
1955 {"",}, {"",}, {"",}, {"",}, {"",},
|
|
|
1956 {"static", 0, st_C_typespec},
|
|
|
1957 {"",},
|
|
|
1958 {"define", 0, st_C_define},
|
|
|
1959 {"",},
|
|
|
1960 {"union", 0, st_C_union},
|
|
|
1961 {"DEFUN", 0, st_C_gnumacro},
|
|
|
1962 {"",}, {"",}, {"",},
|
|
|
1963 {"extern", 0, st_C_extern},
|
|
|
1964 {"extends", C_JAVA, st_C_javastruct},
|
|
|
1965 {"",}, {"",}, {"",},
|
|
|
1966 {"short", 0, st_C_typespec},
|
|
|
1967 {"",}, {"",}, {"",}, {"",}, {"",},
|
|
|
1968 {"explicit", C_PLPL, st_C_typespec},
|
|
|
1969 {"auto", 0, st_C_typespec},
|
|
|
1970 {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",}, {"",},
|
|
|
1971 {"",}, {"",},
|
|
|
1972 {"int", 0, st_C_typespec},
|
|
|
1973 {"",}, {"",},
|
|
|
1974 {"typedef", 0, st_C_typedef},
|
|
|
1975 {"typename", C_PLPL, st_C_typespec},
|
|
|
1976 {"",},
|
|
|
1977 {"interface", C_JAVA, st_C_struct},
|
|
|
1978 {"",},
|
|
|
1979 {"bool", C_PLPL, st_C_typespec},
|
|
|
1980 {"",}, {"",}, {"",},
|
|
|
1981 {"import", C_JAVA, st_C_ignore},
|
|
|
1982 {"",},
|
|
|
1983 {"friend", C_PLPL, st_C_ignore},
|
|
|
1984 {"float", 0, st_C_typespec},
|
|
|
1985 {"implements", C_JAVA, st_C_javastruct},
|
|
|
1986 };
|
|
|
1987
|
|
|
1988 if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
|
|
|
1989 {
|
|
|
1990 register int key = hash (str, len);
|
|
|
1991
|
|
|
1992 if (key <= MAX_HASH_VALUE && key >= 0)
|
|
|
1993 {
|
|
|
1994 register char *s = wordlist[key].name;
|
|
|
1995
|
|
|
1996 if (*s == *str && !strncmp (str + 1, s + 1, len - 1))
|
|
|
1997 return &wordlist[key];
|
|
|
1998 }
|
|
|
1999 }
|
|
|
2000 return 0;
|
|
|
2001 }
|
|
|
2002 /*%>*/
|
|
|
2003
|
|
|
2004 enum sym_type C_symtype PP ((char *str, int len, int c_ext));
|
|
|
2005 enum sym_type
|
|
|
2006 C_symtype (str, len, c_ext)
|
|
|
2007 char *str;
|
|
|
2008 int len;
|
|
|
2009 int c_ext;
|
|
|
2010 {
|
|
|
2011 register struct C_stab_entry *se = in_word_set (str, len);
|
|
|
2012
|
|
|
2013 if (se == NULL || (se->c_ext && !(c_ext & se->c_ext)))
|
|
|
2014 return st_none;
|
|
|
2015 return se->type;
|
|
|
2016 }
|
|
|
2017
|
|
|
2018 /*
|
|
|
2019 * C functions and variables are recognized using a simple
|
|
|
2020 * finite automaton. fvdef is its state variable.
|
|
|
2021 */
|
|
|
2022 enum
|
|
|
2023 {
|
|
|
2024 fvnone, /* nothing seen */
|
|
|
2025 fvnameseen, /* function or variable name seen */
|
|
|
2026 fstartlist, /* func: just after open parenthesis */
|
|
|
2027 finlist, /* func: in parameter list */
|
|
|
2028 flistseen, /* func: after parameter list */
|
|
|
2029 fignore, /* func: before open brace */
|
|
|
2030 vignore /* var-like: ignore until ';' */
|
|
|
2031 } fvdef;
|
|
|
2032
|
|
|
2033
|
|
|
2034 /*
|
|
|
2035 * typedefs are recognized using a simple finite automaton.
|
|
|
2036 * typdef is its state variable.
|
|
|
2037 */
|
|
|
2038 enum
|
|
|
2039 {
|
|
|
2040 tnone, /* nothing seen */
|
|
|
2041 ttypedseen, /* typedef keyword seen */
|
|
|
2042 tinbody, /* inside typedef body */
|
|
|
2043 tend, /* just before typedef tag */
|
|
|
2044 tignore /* junk after typedef tag */
|
|
|
2045 } typdef;
|
|
|
2046
|
|
|
2047
|
|
|
2048 /*
|
|
|
2049 * struct-like structures (enum, struct and union) are recognized
|
|
|
2050 * using another simple finite automaton. `structdef' is its state
|
|
|
2051 * variable.
|
|
|
2052 */
|
|
|
2053 enum
|
|
|
2054 {
|
|
|
2055 snone, /* nothing seen yet */
|
|
|
2056 skeyseen, /* struct-like keyword seen */
|
|
|
2057 stagseen, /* struct-like tag seen */
|
|
|
2058 scolonseen, /* colon seen after struct-like tag */
|
|
|
2059 sinbody /* in struct body: recognize member func defs*/
|
|
|
2060 } structdef;
|
|
|
2061
|
|
|
2062 /*
|
|
|
2063 * When structdef is stagseen, scolonseen, or sinbody, structtag is the
|
|
|
2064 * struct tag, and structtype is the type of the preceding struct-like
|
|
|
2065 * keyword.
|
|
|
2066 */
|
|
|
2067 char *structtag = "<uninited>";
|
|
|
2068 enum sym_type structtype;
|
|
|
2069
|
|
|
2070 #ifdef OO_BROWSER
|
|
|
2071 void
|
|
398
|
2072 oo_browser_check_and_clear_structtype(void)
|
|
282
|
2073 {
|
|
|
2074 /* Allow for multiple enum_label tags. */
|
|
|
2075 if (structtype != st_C_enum)
|
|
|
2076 structtype = st_none;
|
|
|
2077 }
|
|
|
2078 #endif
|
|
|
2079
|
|
|
2080 /*
|
|
|
2081 * When objdef is different from onone, objtag is the name of the class.
|
|
|
2082 */
|
|
|
2083 char *objtag = "<uninited>";
|
|
|
2084
|
|
|
2085 /*
|
|
|
2086 * Yet another little state machine to deal with preprocessor lines.
|
|
|
2087 */
|
|
|
2088 enum
|
|
|
2089 {
|
|
|
2090 dnone, /* nothing seen */
|
|
|
2091 dsharpseen, /* '#' seen as first char on line */
|
|
|
2092 ddefineseen, /* '#' and 'define' seen */
|
|
|
2093 dignorerest /* ignore rest of line */
|
|
|
2094 } definedef;
|
|
|
2095
|
|
|
2096 /*
|
|
|
2097 * State machine for Objective C protocols and implementations.
|
|
|
2098 * Tom R.Hageman <tom@basil.icce.rug.nl>
|
|
|
2099 */
|
|
|
2100 enum
|
|
|
2101 {
|
|
|
2102 onone, /* nothing seen */
|
|
|
2103 oprotocol, /* @interface or @protocol seen */
|
|
|
2104 oimplementation, /* @implementations seen */
|
|
|
2105 otagseen, /* class name seen */
|
|
|
2106 oparenseen, /* parenthesis before category seen */
|
|
|
2107 ocatseen, /* category name seen */
|
|
|
2108 oinbody, /* in @implementation body */
|
|
|
2109 omethodsign, /* in @implementation body, after +/- */
|
|
|
2110 omethodtag, /* after method name */
|
|
|
2111 omethodcolon, /* after method colon */
|
|
|
2112 omethodparm, /* after method parameter */
|
|
|
2113 oignore /* wait for @end */
|
|
|
2114 } objdef;
|
|
|
2115
|
|
|
2116 /*
|
|
|
2117 * Use this structure to keep info about the token read, and how it
|
|
|
2118 * should be tagged. Used by the make_C_tag function to build a tag.
|
|
|
2119 */
|
|
|
2120 typedef struct
|
|
|
2121 {
|
|
|
2122 bool valid;
|
|
|
2123 char *str;
|
|
|
2124 bool named;
|
|
|
2125 int linelen;
|
|
|
2126 int lineno;
|
|
|
2127 long linepos;
|
|
|
2128 char *buffer;
|
|
|
2129 } token;
|
|
|
2130
|
|
|
2131 token tok; /* latest token read */
|
|
|
2132
|
|
|
2133 /*
|
|
|
2134 * Set this to TRUE, and the next token considered is called a function.
|
|
|
2135 * Used only for GNU emacs's function-defining macros.
|
|
|
2136 */
|
|
|
2137 bool next_token_is_func;
|
|
|
2138
|
|
|
2139 /*
|
|
|
2140 * TRUE in the rules part of a yacc file, FALSE outside (parse as C).
|
|
|
2141 */
|
|
|
2142 bool yacc_rules;
|
|
|
2143
|
|
|
2144 /*
|
|
|
2145 * methodlen is the length of the method name stored in token_name.
|
|
|
2146 */
|
|
|
2147 int methodlen;
|
|
|
2148
|
|
|
2149 #ifdef OO_BROWSER
|
|
|
2150 void
|
|
398
|
2151 oo_browser_clear_all_globals(void)
|
|
282
|
2152 {
|
|
|
2153 /* Initialize globals so there is no carry over between files. */
|
|
|
2154 oo_browser_construct = C_NULL;
|
|
|
2155 fvdef = fvnone; typdef = tnone; structdef = snone;
|
|
|
2156 definedef = dnone; objdef = onone;
|
|
|
2157 structtype = st_none;
|
|
|
2158 next_token_is_func = yacc_rules = FALSE;
|
|
|
2159 }
|
|
|
2160
|
|
|
2161 void
|
|
398
|
2162 oo_browser_clear_some_globals(void)
|
|
282
|
2163 {
|
|
|
2164 oo_browser_construct = C_NULL;
|
|
|
2165 structtype = st_none;
|
|
|
2166 }
|
|
|
2167 #endif
|
|
|
2168
|
|
|
2169 /*
|
|
|
2170 * consider_token ()
|
|
|
2171 * checks to see if the current token is at the start of a
|
|
|
2172 * function or variable, or corresponds to a typedef, or
|
|
|
2173 * is a struct/union/enum tag, or #define, or an enum constant.
|
|
|
2174 *
|
|
|
2175 * *IS_FUNC gets TRUE iff the token is a function or #define macro
|
|
|
2176 * with args. C_EXT is which language we are looking at.
|
|
|
2177 *
|
|
|
2178 * In the future we will need some way to adjust where the end of
|
|
|
2179 * the token is; for instance, implementing the C++ keyword
|
|
|
2180 * `operator' properly will adjust the end of the token to be after
|
|
|
2181 * whatever follows `operator'.
|
|
|
2182 *
|
|
|
2183 * Globals
|
|
|
2184 * fvdef IN OUT
|
|
|
2185 * structdef IN OUT
|
|
|
2186 * definedef IN OUT
|
|
|
2187 * typdef IN OUT
|
|
|
2188 * objdef IN OUT
|
|
|
2189 * next_token_is_func IN OUT
|
|
|
2190 */
|
|
|
2191 bool consider_token PP ((char *str, int len, int c, int c_ext,
|
|
|
2192 int cblev, int parlev, bool *is_func_or_var));
|
|
|
2193 bool
|
|
|
2194 consider_token (str, len, c, c_ext, cblev, parlev, is_func_or_var)
|
|
|
2195 register char *str; /* IN: token pointer */
|
|
|
2196 register int len; /* IN: token length */
|
|
|
2197 register int c; /* IN: first char after the token */
|
|
|
2198 int c_ext; /* IN: C extensions mask */
|
|
|
2199 int cblev; /* IN: curly brace level */
|
|
|
2200 int parlev; /* IN: parenthesis level */
|
|
|
2201 bool *is_func_or_var; /* OUT: function or variable found */
|
|
|
2202 {
|
|
|
2203 enum sym_type toktype = C_symtype (str, len, c_ext);
|
|
|
2204
|
|
|
2205 #ifdef OO_BROWSER
|
|
|
2206 switch (toktype)
|
|
|
2207 {
|
|
|
2208 case st_C_struct:
|
|
|
2209 set_construct(C_STRUCTURE);
|
|
|
2210 break;
|
|
|
2211 case st_C_union:
|
|
|
2212 set_construct(C_UNION);
|
|
|
2213 break;
|
|
|
2214 case st_C_class:
|
|
|
2215 set_construct(C_CLASS);
|
|
|
2216 break;
|
|
|
2217 case st_C_enum:
|
|
|
2218 set_construct(C_ENUMERATION);
|
|
|
2219 break;
|
|
|
2220 case st_C_typedef:
|
|
|
2221 set_construct(C_TYPE);
|
|
|
2222 break;
|
|
|
2223 case st_C_extern:
|
|
|
2224 set_construct(C_EXTERN);
|
|
|
2225 break;
|
|
|
2226 case st_C_inline:
|
|
|
2227 set_construct(C_FUNCTION);
|
|
|
2228 break;
|
|
|
2229 }
|
|
|
2230 #endif
|
|
|
2231
|
|
|
2232 /*
|
|
|
2233 * Advance the definedef state machine.
|
|
|
2234 */
|
|
|
2235 switch (definedef)
|
|
|
2236 {
|
|
|
2237 case dnone:
|
|
|
2238 /* We're not on a preprocessor line. */
|
|
|
2239 break;
|
|
|
2240 case dsharpseen:
|
|
|
2241 if (toktype == st_C_define)
|
|
|
2242 {
|
|
|
2243 definedef = ddefineseen;
|
|
|
2244 }
|
|
|
2245 else
|
|
|
2246 {
|
|
|
2247 definedef = dignorerest;
|
|
|
2248 }
|
|
|
2249 return FALSE;
|
|
|
2250 case ddefineseen:
|
|
|
2251 /*
|
|
|
2252 * Make a tag for any macro, unless it is a constant
|
|
|
2253 * and constantypedefs is FALSE.
|
|
|
2254 */
|
|
|
2255 definedef = dignorerest;
|
|
|
2256 #ifndef OO_BROWSER
|
|
|
2257 *is_func_or_var = (c == '(');
|
|
|
2258 #else
|
|
|
2259 {
|
|
|
2260 char *p = str + len * sizeof(char);
|
|
|
2261
|
|
|
2262 if (*p == '(')
|
|
|
2263 /* This must be a macro since there is no
|
|
|
2264 whitespace between the opening parenthesis
|
|
|
2265 and the definition name. */
|
|
|
2266 *is_func_or_var = TRUE;
|
|
|
2267 else
|
|
|
2268 {
|
|
|
2269 *is_func_or_var = FALSE;
|
|
|
2270
|
|
|
2271 /* Handle possible whitespace between macro tag and opening
|
|
|
2272 parenthesis and ensure this is an actual macro.
|
|
|
2273 -- Bob Weiner, Altrasoft, 11/19/1997 */
|
|
|
2274 while (*p && isspace(*p)) p++;
|
|
|
2275 if (*p) c = *p;
|
|
|
2276
|
|
|
2277 /* Skip over nested parentheses. */
|
|
|
2278 if (c == '(')
|
|
|
2279 {
|
|
|
2280 short depth = 1;
|
|
|
2281
|
|
|
2282 while (*++p && depth > 0 && *p != '\n')
|
|
|
2283 {
|
|
|
2284 switch (*p)
|
|
|
2285 {
|
|
|
2286 case '(':
|
|
|
2287 depth++; break;
|
|
|
2288 case ')':
|
|
|
2289 depth--; break;
|
|
|
2290 }
|
|
|
2291 }
|
|
|
2292
|
|
|
2293 /* If this is a macro, we have just passed
|
|
|
2294 the arguments and there will be more on
|
|
|
2295 the line before the NULL character that marks
|
|
|
2296 the end of the line token. */
|
|
|
2297 while (*p == ' ' || *p == '\t') p++;
|
|
|
2298 if (*p) *is_func_or_var = TRUE;
|
|
|
2299 }
|
|
|
2300 }
|
|
|
2301 }
|
|
|
2302
|
|
|
2303 set_construct((*is_func_or_var) ? C_MACRO : C_CONSTANT);
|
|
|
2304 #endif
|
|
|
2305 if (!*is_func_or_var && !constantypedefs)
|
|
|
2306 return FALSE;
|
|
|
2307 else
|
|
|
2308 return TRUE;
|
|
|
2309 case dignorerest:
|
|
|
2310 return FALSE;
|
|
|
2311 default:
|
|
|
2312 error ("internal error: definedef value.", (char *)NULL);
|
|
|
2313 }
|
|
|
2314
|
|
|
2315 /*
|
|
|
2316 * Now typedefs
|
|
|
2317 */
|
|
|
2318 switch (typdef)
|
|
|
2319 {
|
|
|
2320 case tnone:
|
|
|
2321 if (toktype == st_C_typedef)
|
|
|
2322 {
|
|
|
2323 if (typedefs)
|
|
|
2324 typdef = ttypedseen;
|
|
|
2325 fvdef = fvnone;
|
|
|
2326 return FALSE;
|
|
|
2327 }
|
|
|
2328 break;
|
|
|
2329 case ttypedseen:
|
|
|
2330 switch (toktype)
|
|
|
2331 {
|
|
|
2332 case st_C_const:
|
|
|
2333 set_construct(C_CONSTANT);
|
|
|
2334 /* fall through */
|
|
|
2335 case st_none:
|
|
|
2336 case st_C_typespec:
|
|
|
2337 #ifdef OO_BROWSER
|
|
|
2338 case st_C_extern:
|
|
|
2339 #endif
|
|
|
2340 typdef = tend;
|
|
|
2341 break;
|
|
|
2342 case st_C_struct:
|
|
|
2343 case st_C_enum:
|
|
|
2344 #ifdef OO_BROWSER
|
|
|
2345 case st_C_union:
|
|
|
2346 case st_C_class:
|
|
|
2347 #endif
|
|
|
2348 break;
|
|
|
2349 }
|
|
|
2350 /* Do not return here, so the structdef stuff has a chance. */
|
|
|
2351 break;
|
|
|
2352 case tend:
|
|
|
2353 switch (toktype)
|
|
|
2354 {
|
|
|
2355 case st_C_const:
|
|
|
2356 set_construct(C_CONSTANT);
|
|
|
2357 /* fall through */
|
|
|
2358 case st_C_typespec:
|
|
|
2359 case st_C_struct:
|
|
|
2360 case st_C_enum:
|
|
|
2361 #ifdef OO_BROWSER
|
|
|
2362 case st_C_extern:
|
|
|
2363 case st_C_union:
|
|
|
2364 case st_C_class:
|
|
|
2365 #endif
|
|
|
2366 return FALSE;
|
|
|
2367 }
|
|
|
2368 return TRUE;
|
|
|
2369 }
|
|
|
2370
|
|
|
2371 /*
|
|
|
2372 * This structdef business is currently only invoked when cblev==0.
|
|
|
2373 * It should be recursively invoked whatever the curly brace level,
|
|
|
2374 * and a stack of states kept, to allow for definitions of structs
|
|
|
2375 * within structs.
|
|
|
2376 *
|
|
|
2377 * This structdef business is NOT invoked when we are ctags and the
|
|
|
2378 * file is plain C. This is because a struct tag may have the same
|
|
|
2379 * name as another tag, and this loses with ctags.
|
|
|
2380 */
|
|
|
2381 switch (toktype)
|
|
|
2382 {
|
|
|
2383 case st_C_javastruct:
|
|
|
2384 if (structdef == stagseen)
|
|
|
2385 structdef = scolonseen;
|
|
|
2386 return FALSE;
|
|
|
2387 case st_C_struct:
|
|
|
2388 case st_C_enum:
|
|
|
2389 #ifdef OO_BROWSER
|
|
|
2390 case st_C_union:
|
|
|
2391 case st_C_class:
|
|
|
2392 case st_C_extern:
|
|
|
2393 #endif
|
|
|
2394 if (typdef == ttypedseen
|
|
|
2395 || (typedefs_and_cplusplus && cblev == 0 && structdef == snone))
|
|
|
2396 {
|
|
|
2397 structdef = skeyseen;
|
|
|
2398 structtype = toktype;
|
|
|
2399 }
|
|
|
2400 return FALSE;
|
|
|
2401 }
|
|
|
2402
|
|
|
2403 if (structdef == skeyseen)
|
|
|
2404 {
|
|
|
2405 /* Save the tag for struct/union/class, for functions and variables
|
|
|
2406 that may be defined inside. */
|
|
|
2407 #ifndef OO_BROWSER
|
|
|
2408 if (structtype == st_C_struct)
|
|
|
2409 #else
|
|
|
2410 if (structtype == st_C_struct
|
|
|
2411 || structtype == st_C_union
|
|
|
2412 || structtype == st_C_class)
|
|
|
2413 #endif
|
|
|
2414 structtag = savenstr (str, len);
|
|
|
2415 else
|
|
|
2416 structtag = "<enum>";
|
|
|
2417 structdef = stagseen;
|
|
|
2418 return TRUE;
|
|
|
2419 }
|
|
|
2420
|
|
|
2421 /* Avoid entering fvdef stuff if typdef is going on. */
|
|
|
2422 if (typdef != tnone)
|
|
|
2423 {
|
|
|
2424 definedef = dnone;
|
|
|
2425 return FALSE;
|
|
|
2426 }
|
|
|
2427
|
|
|
2428 /* Detect GNU macros.
|
|
|
2429
|
|
|
2430 DEFUN note for writers of emacs C code:
|
|
|
2431 The DEFUN macro, used in emacs C source code, has a first arg
|
|
|
2432 that is a string (the lisp function name), and a second arg that
|
|
|
2433 is a C function name. Since etags skips strings, the second arg
|
|
|
2434 is tagged. This is unfortunate, as it would be better to tag the
|
|
|
2435 first arg. The simplest way to deal with this problem would be
|
|
|
2436 to name the tag with a name built from the function name, by
|
|
|
2437 removing the initial 'F' character and substituting '-' for '_'.
|
|
|
2438 Anyway, this assumes that the conventions of naming lisp
|
|
|
2439 functions will never change. Currently, this method is not
|
|
|
2440 implemented, so writers of emacs code are recommended to put the
|
|
|
2441 first two args of a DEFUN on the same line. */
|
|
|
2442 if (definedef == dnone && toktype == st_C_gnumacro)
|
|
|
2443 {
|
|
|
2444 next_token_is_func = TRUE;
|
|
|
2445 return FALSE;
|
|
|
2446 }
|
|
|
2447 if (next_token_is_func)
|
|
|
2448 {
|
|
|
2449 next_token_is_func = FALSE;
|
|
|
2450 fvdef = fignore;
|
|
|
2451 *is_func_or_var = TRUE;
|
|
|
2452 return TRUE;
|
|
|
2453 }
|
|
|
2454
|
|
|
2455 /* Detect Objective C constructs. */
|
|
|
2456 switch (objdef)
|
|
|
2457 {
|
|
|
2458 case onone:
|
|
|
2459 switch (toktype)
|
|
|
2460 {
|
|
|
2461 case st_C_objprot:
|
|
|
2462 #ifdef OO_BROWSER
|
|
|
2463 set_construct(C_OBJC);
|
|
|
2464 #endif
|
|
|
2465 objdef = oprotocol;
|
|
|
2466 return FALSE;
|
|
|
2467 case st_C_objimpl:
|
|
|
2468 #ifdef OO_BROWSER
|
|
|
2469 set_construct(C_OBJC);
|
|
|
2470 #endif
|
|
|
2471 objdef = oimplementation;
|
|
|
2472 return FALSE;
|
|
|
2473 }
|
|
|
2474 break;
|
|
|
2475 case oimplementation:
|
|
|
2476 /* Save the class tag for functions or variables defined inside. */
|
|
|
2477 objtag = savenstr (str, len);
|
|
|
2478 objdef = oinbody;
|
|
|
2479 return FALSE;
|
|
|
2480 case oprotocol:
|
|
|
2481 /* Save the class tag for categories. */
|
|
|
2482 objtag = savenstr (str, len);
|
|
|
2483 objdef = otagseen;
|
|
|
2484 *is_func_or_var = TRUE;
|
|
|
2485 return TRUE;
|
|
|
2486 case oparenseen:
|
|
|
2487 objdef = ocatseen;
|
|
|
2488 *is_func_or_var = TRUE;
|
|
|
2489 return TRUE;
|
|
|
2490 case oinbody:
|
|
|
2491 break;
|
|
|
2492 case omethodsign:
|
|
|
2493 if (parlev == 0)
|
|
|
2494 {
|
|
|
2495 objdef = omethodtag;
|
|
|
2496 methodlen = len;
|
|
|
2497 grow_linebuffer (&token_name, methodlen + 1);
|
|
|
2498 strncpy (token_name.buffer, str, len);
|
|
|
2499 token_name.buffer[methodlen] = '\0';
|
|
|
2500 token_name.len = methodlen;
|
|
|
2501 return TRUE;
|
|
|
2502 }
|
|
|
2503 return FALSE;
|
|
|
2504 case omethodcolon:
|
|
|
2505 if (parlev == 0)
|
|
|
2506 objdef = omethodparm;
|
|
|
2507 return FALSE;
|
|
|
2508 case omethodparm:
|
|
|
2509 if (parlev == 0)
|
|
|
2510 {
|
|
|
2511 objdef = omethodtag;
|
|
|
2512 methodlen += len;
|
|
|
2513 grow_linebuffer (&token_name, methodlen + 1);
|
|
|
2514 strncat (token_name.buffer, str, len);
|
|
|
2515 token_name.len = methodlen;
|
|
|
2516 return TRUE;
|
|
|
2517 }
|
|
|
2518 return FALSE;
|
|
|
2519 case oignore:
|
|
|
2520 if (toktype == st_C_objend)
|
|
|
2521 {
|
|
|
2522 /* Memory leakage here: the string pointed by objtag is
|
|
|
2523 never released, because many tests would be needed to
|
|
|
2524 avoid breaking on incorrect input code. The amount of
|
|
|
2525 memory leaked here is the sum of the lengths of the
|
|
|
2526 class tags.
|
|
|
2527 free (objtag); */
|
|
|
2528 objdef = onone;
|
|
|
2529 }
|
|
|
2530 return FALSE;
|
|
|
2531 }
|
|
|
2532
|
|
|
2533 /* A function, variable or enum constant? */
|
|
|
2534 switch (toktype)
|
|
|
2535 {
|
|
|
2536 case st_C_const:
|
|
|
2537 set_construct(C_CONSTANT);
|
|
|
2538 /* fall through */
|
|
|
2539 case st_C_typespec:
|
|
|
2540 #ifdef OO_BROWSER
|
|
|
2541 case st_C_extern:
|
|
|
2542 #endif
|
|
|
2543 if (fvdef != finlist && fvdef != fignore && fvdef != vignore)
|
|
|
2544 fvdef = fvnone; /* should be useless */
|
|
|
2545 return FALSE;
|
|
|
2546 case st_C_ignore:
|
|
|
2547 fvdef = vignore;
|
|
|
2548 return FALSE;
|
|
|
2549 case st_none:
|
|
|
2550 if (constantypedefs && structdef == sinbody && structtype == st_C_enum)
|
|
|
2551 #ifdef OO_BROWSER
|
|
|
2552 {
|
|
|
2553 oo_browser_construct = C_ENUM_LABEL;
|
|
|
2554 #endif
|
|
|
2555 return TRUE;
|
|
|
2556 #ifdef OO_BROWSER
|
|
|
2557 }
|
|
|
2558 #endif
|
|
|
2559 if (fvdef == fvnone)
|
|
|
2560 {
|
|
|
2561 fvdef = fvnameseen; /* function or variable */
|
|
|
2562 *is_func_or_var = TRUE;
|
|
|
2563 return TRUE;
|
|
|
2564 }
|
|
|
2565 }
|
|
|
2566
|
|
|
2567 return FALSE;
|
|
|
2568 }
|
|
|
2569
|
|
|
2570 /*
|
|
|
2571 * C_entries ()
|
|
|
2572 * This routine finds functions, variables, typedefs,
|
|
|
2573 * #define's, enum constants and struct/union/enum definitions in
|
|
|
2574 * #C syntax and adds them to the list.
|
|
|
2575 */
|
|
|
2576 #define current_lb_is_new (newndx == curndx)
|
|
|
2577 #define switch_line_buffers() (curndx = 1 - curndx)
|
|
|
2578
|
|
|
2579 #define curlb (lbs[curndx].lb)
|
|
|
2580 #define othlb (lbs[1-curndx].lb)
|
|
|
2581 #define newlb (lbs[newndx].lb)
|
|
|
2582 #define curlinepos (lbs[curndx].linepos)
|
|
|
2583 #define othlinepos (lbs[1-curndx].linepos)
|
|
|
2584 #define newlinepos (lbs[newndx].linepos)
|
|
|
2585
|
|
|
2586 #define CNL_SAVE_DEFINEDEF() \
|
|
|
2587 do { \
|
|
|
2588 curlinepos = charno; \
|
|
|
2589 lineno++; \
|
|
|
2590 linecharno = charno; \
|
|
|
2591 charno += readline (&curlb, inf); \
|
|
|
2592 lp = curlb.buffer; \
|
|
|
2593 quotednl = FALSE; \
|
|
|
2594 newndx = curndx; \
|
|
|
2595 } while (0)
|
|
|
2596
|
|
|
2597 #define CNL() \
|
|
|
2598 do { \
|
|
|
2599 CNL_SAVE_DEFINEDEF(); \
|
|
|
2600 if (savetok.valid) \
|
|
|
2601 { \
|
|
|
2602 tok = savetok; \
|
|
|
2603 savetok.valid = FALSE; \
|
|
|
2604 } \
|
|
|
2605 definedef = dnone; \
|
|
|
2606 } while (0)
|
|
|
2607
|
|
|
2608
|
|
|
2609 void make_C_tag PP ((bool isfun));
|
|
|
2610 void
|
|
|
2611 make_C_tag (isfun)
|
|
|
2612 bool isfun;
|
|
|
2613 {
|
|
|
2614 /* This function should never be called when tok.valid is FALSE, but
|
|
|
2615 we must protect against invalid input or internal errors. */
|
|
|
2616 if (tok.valid)
|
|
|
2617 {
|
|
|
2618 if (traditional_tag_style)
|
|
|
2619 {
|
|
|
2620 /* This was the original code. Now we call new_pfnote instead,
|
|
|
2621 which uses the new method for naming tags (see new_pfnote). */
|
|
|
2622 char *name = NULL;
|
|
|
2623
|
|
|
2624 if (CTAGS || tok.named)
|
|
|
2625 name = savestr (token_name.buffer);
|
|
|
2626 pfnote (name, isfun,
|
|
|
2627 tok.buffer, tok.linelen, tok.lineno, tok.linepos);
|
|
|
2628 }
|
|
|
2629 else
|
|
|
2630 new_pfnote (token_name.buffer, token_name.len, isfun,
|
|
|
2631 tok.buffer, tok.linelen, tok.lineno, tok.linepos);
|
|
|
2632 tok.valid = FALSE;
|
|
|
2633 }
|
|
|
2634 else if (DEBUG)
|
|
|
2635 abort ();
|
|
|
2636 }
|
|
|
2637
|
|
|
2638
|
|
|
2639 void
|
|
|
2640 C_entries (c_ext, inf)
|
|
|
2641 int c_ext; /* extension of C */
|
|
|
2642 FILE *inf; /* input file */
|
|
|
2643 {
|
|
|
2644 register char c; /* latest char read; '\0' for end of line */
|
|
|
2645 register char *lp; /* pointer one beyond the character `c' */
|
|
|
2646 int curndx, newndx; /* indices for current and new lb */
|
|
|
2647 register int tokoff; /* offset in line of start of current token */
|
|
|
2648 register int toklen; /* length of current token */
|
|
|
2649 char *qualifier; /* string used to qualify names */
|
|
|
2650 int qlen; /* length of qualifier */
|
|
|
2651 int cblev; /* current curly brace level */
|
|
|
2652 int parlev; /* current parenthesis level */
|
|
|
2653 bool incomm, inquote, inchar, quotednl, midtoken;
|
|
|
2654 bool cplpl, cjava;
|
|
|
2655 token savetok; /* token saved during preprocessor handling */
|
|
|
2656
|
|
|
2657
|
|
|
2658 tokoff = toklen = 0; /* keep compiler quiet */
|
|
|
2659 curndx = newndx = 0;
|
|
|
2660 lineno = 0;
|
|
|
2661 charno = 0;
|
|
|
2662 lp = curlb.buffer;
|
|
|
2663 *lp = 0;
|
|
|
2664
|
|
|
2665 fvdef = fvnone; typdef = tnone; structdef = snone;
|
|
|
2666 definedef = dnone; objdef = onone;
|
|
|
2667 next_token_is_func = yacc_rules = FALSE;
|
|
|
2668 midtoken = inquote = inchar = incomm = quotednl = FALSE;
|
|
|
2669 tok.valid = savetok.valid = FALSE;
|
|
|
2670 cblev = 0;
|
|
|
2671 parlev = 0;
|
|
|
2672 cplpl = (c_ext & C_PLPL) == C_PLPL;
|
|
|
2673 cjava = (c_ext & C_JAVA) == C_JAVA;
|
|
|
2674 if (cjava)
|
|
|
2675 { qualifier = "."; qlen = 1; }
|
|
|
2676 else
|
|
|
2677 { qualifier = "::"; qlen = 2; }
|
|
|
2678
|
|
|
2679 while (!feof (inf))
|
|
|
2680 {
|
|
|
2681 c = *lp++;
|
|
|
2682 if (c == '\\')
|
|
|
2683 {
|
|
|
2684 /* If we're at the end of the line, the next character is a
|
|
|
2685 '\0'; don't skip it, because it's the thing that tells us
|
|
|
2686 to read the next line. */
|
|
|
2687 if (*lp == '\0')
|
|
|
2688 {
|
|
|
2689 quotednl = TRUE;
|
|
|
2690 continue;
|
|
|
2691 }
|
|
|
2692 lp++;
|
|
|
2693 c = ' ';
|
|
|
2694 }
|
|
|
2695 else if (incomm)
|
|
|
2696 {
|
|
|
2697 switch (c)
|
|
|
2698 {
|
|
|
2699 case '*':
|
|
|
2700 if (*lp == '/')
|
|
|
2701 {
|
|
|
2702 c = *lp++;
|
|
|
2703 incomm = FALSE;
|
|
|
2704 }
|
|
|
2705 break;
|
|
|
2706 case '\0':
|
|
|
2707 /* Newlines inside comments do not end macro definitions in
|
|
|
2708 traditional cpp. */
|
|
|
2709 CNL_SAVE_DEFINEDEF ();
|
|
|
2710 break;
|
|
|
2711 }
|
|
|
2712 continue;
|
|
|
2713 }
|
|
|
2714 else if (inquote)
|
|
|
2715 {
|
|
|
2716 switch (c)
|
|
|
2717 {
|
|
|
2718 case '"':
|
|
|
2719 inquote = FALSE;
|
|
|
2720 break;
|
|
|
2721 case '\0':
|
|
|
2722 /* Newlines inside strings do not end macro definitions
|
|
|
2723 in traditional cpp, even though compilers don't
|
|
|
2724 usually accept them. */
|
|
|
2725 CNL_SAVE_DEFINEDEF ();
|
|
|
2726 break;
|
|
|
2727 }
|
|
|
2728 continue;
|
|
|
2729 }
|
|
|
2730 else if (inchar)
|
|
|
2731 {
|
|
|
2732 switch (c)
|
|
|
2733 {
|
|
|
2734 case '\0':
|
|
|
2735 /* Hmmm, something went wrong. */
|
|
|
2736 CNL ();
|
|
|
2737 /* FALLTHRU */
|
|
|
2738 case '\'':
|
|
|
2739 inchar = FALSE;
|
|
|
2740 break;
|
|
|
2741 }
|
|
|
2742 continue;
|
|
|
2743 }
|
|
|
2744 else
|
|
|
2745 switch (c)
|
|
|
2746 {
|
|
|
2747 case '"':
|
|
|
2748 inquote = TRUE;
|
|
|
2749 if (fvdef != finlist && fvdef != fignore && fvdef !=vignore)
|
|
|
2750 fvdef = fvnone;
|
|
|
2751 continue;
|
|
|
2752 case '\'':
|
|
|
2753 inchar = TRUE;
|
|
|
2754 if (fvdef != finlist && fvdef != fignore && fvdef !=vignore)
|
|
|
2755 fvdef = fvnone;
|
|
|
2756 continue;
|
|
|
2757 case '/':
|
|
|
2758 if (*lp == '*')
|
|
|
2759 {
|
|
|
2760 lp++;
|
|
|
2761 incomm = TRUE;
|
|
|
2762 continue;
|
|
|
2763 }
|
|
|
2764 else if (/* cplpl && */ *lp == '/')
|
|
|
2765 {
|
|
|
2766 c = '\0';
|
|
|
2767 break;
|
|
|
2768 }
|
|
|
2769 else
|
|
|
2770 break;
|
|
|
2771 case '%':
|
|
|
2772 if ((c_ext & YACC) && *lp == '%')
|
|
|
2773 {
|
|
|
2774 /* entering or exiting rules section in yacc file */
|
|
|
2775 lp++;
|
|
|
2776 definedef = dnone; fvdef = fvnone;
|
|
|
2777 typdef = tnone; structdef = snone;
|
|
|
2778 next_token_is_func = FALSE;
|
|
|
2779 midtoken = inquote = inchar = incomm = quotednl = FALSE;
|
|
|
2780 cblev = 0;
|
|
|
2781 yacc_rules = !yacc_rules;
|
|
|
2782 continue;
|
|
|
2783 }
|
|
|
2784 else
|
|
|
2785 break;
|
|
|
2786 case '#':
|
|
|
2787 if (definedef == dnone)
|
|
|
2788 {
|
|
|
2789 char *cp;
|
|
|
2790 bool cpptoken = TRUE;
|
|
|
2791
|
|
|
2792 /* Look back on this line. If all blanks, or nonblanks
|
|
|
2793 followed by an end of comment, this is a preprocessor
|
|
|
2794 token. */
|
|
|
2795 for (cp = newlb.buffer; cp < lp-1; cp++)
|
|
|
2796 if (!iswhite (*cp))
|
|
|
2797 {
|
|
|
2798 if (*cp == '*' && *(cp+1) == '/')
|
|
|
2799 {
|
|
|
2800 cp++;
|
|
|
2801 cpptoken = TRUE;
|
|
|
2802 }
|
|
|
2803 else
|
|
|
2804 cpptoken = FALSE;
|
|
|
2805 }
|
|
|
2806 if (cpptoken)
|
|
|
2807 definedef = dsharpseen;
|
|
|
2808 } /* if (definedef == dnone) */
|
|
|
2809
|
|
|
2810 continue;
|
|
|
2811 } /* switch (c) */
|
|
|
2812
|
|
|
2813
|
|
|
2814 /* Consider token only if some complicated conditions are satisfied. */
|
|
|
2815 if ((definedef != dnone
|
|
|
2816 || (cblev == 0 && structdef != scolonseen)
|
|
|
2817 || (cblev == 1 && cplpl && structdef == sinbody)
|
|
|
2818 || (structdef == sinbody && structtype == st_C_enum))
|
|
|
2819 && typdef != tignore
|
|
|
2820 && definedef != dignorerest
|
|
|
2821 && fvdef != finlist)
|
|
|
2822 {
|
|
|
2823 if (midtoken)
|
|
|
2824 {
|
|
|
2825 if (endtoken (c))
|
|
|
2826 {
|
|
|
2827 if (c == ':' && cplpl && *lp == ':' && begtoken(*(lp + 1)))
|
|
|
2828 {
|
|
|
2829 /*
|
|
|
2830 * This handles :: in the middle, but not at the
|
|
|
2831 * beginning of an identifier.
|
|
|
2832 */
|
|
|
2833 lp += 2;
|
|
|
2834 toklen += 3;
|
|
|
2835 #ifdef OO_BROWSER
|
|
|
2836 set_construct(C_METHOD);
|
|
|
2837 #endif
|
|
|
2838 }
|
|
|
2839 else
|
|
|
2840 {
|
|
|
2841 bool funorvar = FALSE;
|
|
|
2842
|
|
|
2843 if (yacc_rules
|
|
|
2844 || consider_token (newlb.buffer + tokoff, toklen, c,
|
|
|
2845 c_ext, cblev, parlev, &funorvar))
|
|
|
2846 {
|
|
|
2847 tok.named = FALSE;
|
|
|
2848 if (structdef == sinbody
|
|
|
2849 && definedef == dnone
|
|
|
2850 && funorvar)
|
|
|
2851 /* function or var defined in C++ class body */
|
|
|
2852 {
|
|
|
2853 int len = strlen (structtag) + qlen + toklen;
|
|
|
2854 grow_linebuffer (&token_name, len + 1);
|
|
|
2855 strcpy (token_name.buffer, structtag);
|
|
|
2856 strcat (token_name.buffer, qualifier);
|
|
|
2857 strncat (token_name.buffer,
|
|
|
2858 newlb.buffer + tokoff, toklen);
|
|
|
2859 token_name.len = len;
|
|
|
2860 tok.named = TRUE;
|
|
|
2861 #ifdef OO_BROWSER
|
|
|
2862 oo_browser_construct = C_METHOD;
|
|
|
2863 #endif
|
|
|
2864 }
|
|
|
2865 else if (objdef == ocatseen)
|
|
|
2866 /* Objective C category */
|
|
|
2867 {
|
|
|
2868 int len = strlen (objtag) + 2 + toklen;
|
|
|
2869 grow_linebuffer (&token_name, len + 1);
|
|
|
2870 strcpy (token_name.buffer, objtag);
|
|
|
2871 strcat (token_name.buffer, "(");
|
|
|
2872 strncat (token_name.buffer,
|
|
|
2873 newlb.buffer + tokoff, toklen);
|
|
|
2874 strcat (token_name.buffer, ")");
|
|
|
2875 token_name.len = len;
|
|
|
2876 tok.named = TRUE;
|
|
|
2877 #ifdef OO_BROWSER
|
|
|
2878 oo_browser_construct = C_OBJC;
|
|
|
2879 #endif
|
|
|
2880 }
|
|
|
2881 else if (objdef == omethodtag
|
|
|
2882 || objdef == omethodparm)
|
|
|
2883 /* Objective C method */
|
|
|
2884 {
|
|
|
2885 tok.named = TRUE;
|
|
|
2886 #ifdef OO_BROWSER
|
|
|
2887 oo_browser_construct = C_OBJC;
|
|
|
2888 #endif
|
|
|
2889 }
|
|
|
2890 else
|
|
|
2891 {
|
|
|
2892 grow_linebuffer (&token_name, toklen + 1);
|
|
|
2893 strncpy (token_name.buffer,
|
|
|
2894 newlb.buffer + tokoff, toklen);
|
|
|
2895 token_name.buffer[toklen] = '\0';
|
|
|
2896 token_name.len = toklen;
|
|
|
2897 /* Name macros. */
|
|
|
2898 tok.named
|
|
|
2899 = (structdef == stagseen
|
|
|
2900 || typdef == tend
|
|
|
2901 #ifdef OO_BROWSER
|
|
|
2902 /* Also name #define constants,
|
|
|
2903 enumerations and enum_labels.
|
|
|
2904 Conditionalize `funorvar' reference
|
|
|
2905 here or #defines will appear without
|
|
|
2906 their #names.
|
|
|
2907 -- Bob Weiner, Altrasoft, 4/25/1998 */
|
|
|
2908 || ((oo_browser_format || funorvar)
|
|
|
2909 && definedef == dignorerest)
|
|
|
2910 || (oo_browser_format
|
|
|
2911 && (oo_browser_construct == C_ENUMERATION
|
|
|
2912 || oo_browser_construct == C_ENUM_LABEL))
|
|
|
2913 #else
|
|
|
2914 || (funorvar
|
|
|
2915 && definedef == dignorerest)
|
|
|
2916 #endif
|
|
|
2917 );
|
|
|
2918 }
|
|
|
2919 tok.lineno = lineno;
|
|
|
2920 tok.linelen = tokoff + toklen + 1;
|
|
|
2921 tok.buffer = newlb.buffer;
|
|
|
2922 tok.linepos = newlinepos;
|
|
|
2923 tok.valid = TRUE;
|
|
|
2924
|
|
|
2925 if (definedef == dnone
|
|
|
2926 && (fvdef == fvnameseen
|
|
|
2927 || structdef == stagseen
|
|
|
2928 || typdef == tend
|
|
|
2929 || objdef != onone))
|
|
|
2930 {
|
|
|
2931 if (current_lb_is_new)
|
|
|
2932 switch_line_buffers ();
|
|
|
2933 }
|
|
|
2934 else
|
|
|
2935 make_C_tag (funorvar);
|
|
|
2936 }
|
|
|
2937 midtoken = FALSE;
|
|
|
2938 }
|
|
|
2939 } /* if (endtoken (c)) */
|
|
|
2940 else if (intoken (c))
|
|
|
2941 {
|
|
|
2942 toklen++;
|
|
|
2943 continue;
|
|
|
2944 }
|
|
|
2945 } /* if (midtoken) */
|
|
|
2946 else if (begtoken (c))
|
|
|
2947 {
|
|
|
2948 switch (definedef)
|
|
|
2949 {
|
|
|
2950 case dnone:
|
|
|
2951 switch (fvdef)
|
|
|
2952 {
|
|
|
2953 case fstartlist:
|
|
|
2954 fvdef = finlist;
|
|
|
2955 continue;
|
|
|
2956 case flistseen:
|
|
|
2957 #ifdef OO_BROWSER
|
|
|
2958 set_construct(C_MACRO);
|
|
|
2959 #endif
|
|
|
2960 make_C_tag (TRUE); /* a function */
|
|
|
2961 fvdef = fignore;
|
|
|
2962 break;
|
|
|
2963 case fvnameseen:
|
|
|
2964 fvdef = fvnone;
|
|
|
2965 break;
|
|
|
2966 }
|
|
|
2967 if (structdef == stagseen && !cjava)
|
|
|
2968 structdef = snone;
|
|
|
2969 break;
|
|
|
2970 case dsharpseen:
|
|
|
2971 savetok = tok;
|
|
|
2972 }
|
|
|
2973 if (!yacc_rules || lp == newlb.buffer + 1)
|
|
|
2974 {
|
|
|
2975 tokoff = lp - 1 - newlb.buffer;
|
|
|
2976 toklen = 1;
|
|
|
2977 midtoken = TRUE;
|
|
|
2978 }
|
|
|
2979 continue;
|
|
|
2980 } /* if (begtoken) */
|
|
|
2981 } /* if must look at token */
|
|
|
2982
|
|
|
2983
|
|
|
2984 /* Detect end of line, colon, comma, semicolon and various braces
|
|
|
2985 after having handled a token.*/
|
|
|
2986 switch (c)
|
|
|
2987 {
|
|
|
2988 case ':':
|
|
|
2989 if (definedef != dnone)
|
|
|
2990 break;
|
|
|
2991 switch (objdef)
|
|
|
2992 {
|
|
|
2993 case otagseen:
|
|
|
2994 objdef = oignore;
|
|
|
2995 make_C_tag (TRUE); /* an Objective C class */
|
|
|
2996 break;
|
|
|
2997 case omethodtag:
|
|
|
2998 case omethodparm:
|
|
|
2999 objdef = omethodcolon;
|
|
|
3000 methodlen += 1;
|
|
|
3001 grow_linebuffer (&token_name, methodlen + 1);
|
|
|
3002 strcat (token_name.buffer, ":");
|
|
|
3003 token_name.len = methodlen;
|
|
|
3004 break;
|
|
|
3005 }
|
|
|
3006 if (structdef == stagseen)
|
|
|
3007 structdef = scolonseen;
|
|
|
3008 else
|
|
|
3009 switch (fvdef)
|
|
|
3010 {
|
|
|
3011 case fvnameseen:
|
|
|
3012 if (yacc_rules)
|
|
|
3013 {
|
|
|
3014 make_C_tag (FALSE); /* a yacc function */
|
|
|
3015 fvdef = fignore;
|
|
|
3016 }
|
|
|
3017 break;
|
|
|
3018 case fstartlist:
|
|
|
3019 fvdef = fvnone;
|
|
|
3020 break;
|
|
|
3021 }
|
|
|
3022 break;
|
|
|
3023 case ';':
|
|
|
3024 if (definedef != dnone)
|
|
|
3025 break;
|
|
|
3026 if (cblev == 0)
|
|
|
3027 switch (typdef)
|
|
|
3028 {
|
|
|
3029 case tend:
|
|
|
3030 #ifdef OO_BROWSER
|
|
|
3031 set_construct(C_TYPE);
|
|
|
3032 #endif
|
|
|
3033 make_C_tag (FALSE); /* a typedef */
|
|
|
3034 /* FALLTHRU */
|
|
|
3035 default:
|
|
|
3036 typdef = tnone;
|
|
|
3037 }
|
|
|
3038 switch (fvdef)
|
|
|
3039 {
|
|
|
3040 case fignore:
|
|
|
3041 break;
|
|
|
3042 case fvnameseen:
|
|
|
3043 if ((globals && cblev == 0) || (members && cblev == 1))
|
|
|
3044 #ifndef OO_BROWSER
|
|
|
3045 make_C_tag (FALSE); /* a variable */
|
|
|
3046 #else
|
|
|
3047 /* if (constantypedefs && structdef == snone)*/
|
|
|
3048 {
|
|
|
3049 tok.named = TRUE;
|
|
|
3050 switch (structtype)
|
|
|
3051 {
|
|
|
3052 case st_C_enum:
|
|
|
3053 set_construct(C_ENUMERATION);
|
|
|
3054 break;
|
|
|
3055 case st_C_class:
|
|
|
3056 set_construct(C_CLASS);
|
|
|
3057 break;
|
|
|
3058 default:
|
|
|
3059 set_construct(C_VARIABLE);
|
|
|
3060 break;
|
|
|
3061 }
|
|
|
3062 make_C_tag (FALSE);
|
|
|
3063 /* Force reset of st_C_enum structtype value. */
|
|
|
3064 structtype = st_none;
|
|
|
3065 }
|
|
|
3066 #endif
|
|
|
3067 /* FALLTHRU */
|
|
|
3068 default:
|
|
|
3069 fvdef = fvnone;
|
|
|
3070 /* The following instruction invalidates the token.
|
|
|
3071 Probably the token should be invalidated in all
|
|
|
3072 other cases where some state machine is reset. */
|
|
|
3073 tok.valid = FALSE;
|
|
|
3074 }
|
|
|
3075 if (structdef == stagseen)
|
|
|
3076 structdef = snone;
|
|
|
3077 break;
|
|
|
3078 case ',':
|
|
|
3079 if (definedef != dnone)
|
|
|
3080 break;
|
|
|
3081 switch (objdef)
|
|
|
3082 {
|
|
|
3083 case omethodtag:
|
|
|
3084 case omethodparm:
|
|
|
3085 make_C_tag (TRUE); /* an Objective C method */
|
|
|
3086 objdef = oinbody;
|
|
|
3087 break;
|
|
|
3088 }
|
|
|
3089 switch (fvdef)
|
|
|
3090 {
|
|
|
3091 case finlist:
|
|
|
3092 case fignore:
|
|
|
3093 case vignore:
|
|
|
3094 break;
|
|
|
3095 case fvnameseen:
|
|
|
3096 if ((globals && cblev == 0) || (members && cblev == 1))
|
|
|
3097 make_C_tag (FALSE); /* a variable */
|
|
|
3098 break;
|
|
|
3099 default:
|
|
|
3100 fvdef = fvnone;
|
|
|
3101 }
|
|
|
3102 if (structdef == stagseen)
|
|
|
3103 structdef = snone;
|
|
|
3104 break;
|
|
|
3105 case '[':
|
|
|
3106 if (definedef != dnone)
|
|
|
3107 break;
|
|
|
3108 if (cblev == 0 && typdef == tend)
|
|
|
3109 {
|
|
|
3110 #ifdef OO_BROWSER
|
|
|
3111 set_construct(C_TYPE);
|
|
|
3112 #endif
|
|
|
3113 typdef = tignore;
|
|
|
3114 make_C_tag (FALSE); /* a typedef */
|
|
|
3115 break;
|
|
|
3116 }
|
|
|
3117 switch (fvdef)
|
|
|
3118 {
|
|
|
3119 case finlist:
|
|
|
3120 case fignore:
|
|
|
3121 case vignore:
|
|
|
3122 break;
|
|
|
3123 case fvnameseen:
|
|
|
3124 #ifndef OO_BROWSER
|
|
|
3125 if ((globals && cblev == 0) || (members && cblev == 1))
|
|
|
3126 make_C_tag (FALSE); /* a variable */
|
|
|
3127 #else
|
|
|
3128 if (constantypedefs && structdef == snone)
|
|
|
3129 {
|
|
|
3130 tok.named = TRUE;
|
|
|
3131 switch (structtype)
|
|
|
3132 {
|
|
|
3133 case st_C_enum:
|
|
|
3134 set_construct(C_ENUMERATION);
|
|
|
3135 break;
|
|
|
3136 case st_C_class:
|
|
|
3137 set_construct(C_CLASS);
|
|
|
3138 break;
|
|
|
3139 default:
|
|
|
3140 set_construct(C_VARIABLE);
|
|
|
3141 break;
|
|
|
3142 }
|
|
|
3143 make_C_tag (FALSE);
|
|
|
3144 /* Force reset of st_C_enum structtype value. */
|
|
|
3145 structtype = st_none;
|
|
|
3146 }
|
|
|
3147 #endif
|
|
|
3148 /* FALLTHRU */
|
|
|
3149 default:
|
|
|
3150 fvdef = fvnone;
|
|
|
3151 }
|
|
|
3152 if (structdef == stagseen)
|
|
|
3153 structdef = snone;
|
|
|
3154 break;
|
|
|
3155 case '(':
|
|
|
3156 if (definedef != dnone)
|
|
|
3157 break;
|
|
|
3158 if (objdef == otagseen && parlev == 0)
|
|
|
3159 objdef = oparenseen;
|
|
|
3160 switch (fvdef)
|
|
|
3161 {
|
|
|
3162 case fvnone:
|
|
|
3163 switch (typdef)
|
|
|
3164 {
|
|
|
3165 case ttypedseen:
|
|
|
3166 case tend:
|
|
|
3167 if (tok.valid && *lp != '*')
|
|
|
3168 {
|
|
|
3169 /* This handles constructs like:
|
|
|
3170 typedef void OperatorFun (int fun); */
|
|
|
3171 typdef = tignore;
|
|
|
3172 #ifdef OO_BROWSER
|
|
|
3173 set_construct(C_TYPE);
|
|
|
3174 #endif
|
|
|
3175 make_C_tag (FALSE);
|
|
|
3176 }
|
|
|
3177 break;
|
|
|
3178 } /* switch (typdef) */
|
|
|
3179 break;
|
|
|
3180 case fvnameseen:
|
|
|
3181 fvdef = fstartlist;
|
|
|
3182 break;
|
|
|
3183 case flistseen:
|
|
|
3184 fvdef = finlist;
|
|
|
3185 break;
|
|
|
3186 }
|
|
|
3187 parlev++;
|
|
|
3188 break;
|
|
|
3189 case ')':
|
|
|
3190 if (definedef != dnone)
|
|
|
3191 break;
|
|
|
3192 if (objdef == ocatseen && parlev == 1)
|
|
|
3193 {
|
|
|
3194 make_C_tag (TRUE); /* an Objective C category */
|
|
|
3195 objdef = oignore;
|
|
|
3196 }
|
|
|
3197 if (--parlev == 0)
|
|
|
3198 {
|
|
|
3199 switch (fvdef)
|
|
|
3200 {
|
|
|
3201 case fstartlist:
|
|
|
3202 case finlist:
|
|
|
3203 fvdef = flistseen;
|
|
|
3204 break;
|
|
|
3205 }
|
|
|
3206 if (cblev == 0 && typdef == tend)
|
|
|
3207 {
|
|
|
3208 #ifdef OO_BROWSER
|
|
|
3209 set_construct(C_TYPE);
|
|
|
3210 #endif
|
|
|
3211 typdef = tignore;
|
|
|
3212 make_C_tag (FALSE); /* a typedef */
|
|
|
3213 }
|
|
|
3214 }
|
|
|
3215 else if (parlev < 0) /* can happen due to ill-conceived #if's. */
|
|
|
3216 parlev = 0;
|
|
|
3217 break;
|
|
|
3218 case '{':
|
|
|
3219 if (definedef != dnone)
|
|
|
3220 break;
|
|
|
3221 if (typdef == ttypedseen)
|
|
|
3222 typdef = tinbody;
|
|
|
3223 switch (structdef)
|
|
|
3224 {
|
|
|
3225 case skeyseen: /* unnamed struct */
|
|
|
3226 structdef = sinbody;
|
|
|
3227 structtag = "_anonymous_";
|
|
|
3228 break;
|
|
|
3229 case stagseen:
|
|
|
3230 case scolonseen: /* named struct */
|
|
|
3231 structdef = sinbody;
|
|
|
3232 make_C_tag (FALSE); /* a struct */
|
|
|
3233 break;
|
|
|
3234 }
|
|
|
3235 switch (fvdef)
|
|
|
3236 {
|
|
|
3237 case flistseen:
|
|
|
3238 #ifdef OO_BROWSER
|
|
|
3239 set_construct(C_FUNCTION);
|
|
|
3240 /* Ensure function name is recorded.
|
|
|
3241 -- Bob Weiner, Altrasoft */
|
|
|
3242 tok.named = TRUE;
|
|
|
3243 #endif
|
|
|
3244 make_C_tag (TRUE); /* a function */
|
|
|
3245 /* FALLTHRU */
|
|
|
3246 case fignore:
|
|
|
3247 fvdef = fvnone;
|
|
|
3248 break;
|
|
|
3249 case fvnone:
|
|
|
3250 switch (objdef)
|
|
|
3251 {
|
|
|
3252 case otagseen:
|
|
|
3253 make_C_tag (TRUE); /* an Objective C class */
|
|
|
3254 objdef = oignore;
|
|
|
3255 break;
|
|
|
3256 case omethodtag:
|
|
|
3257 case omethodparm:
|
|
|
3258 make_C_tag (TRUE); /* an Objective C method */
|
|
|
3259 objdef = oinbody;
|
|
|
3260 break;
|
|
|
3261 default:
|
|
|
3262 /* Neutralize `extern "C" {' grot. */
|
|
|
3263 if (cblev == 0 && structdef == snone && typdef == tnone)
|
|
|
3264 cblev = -1;
|
|
|
3265 }
|
|
|
3266 }
|
|
|
3267 cblev++;
|
|
|
3268 break;
|
|
|
3269 case '*':
|
|
|
3270 if (definedef != dnone)
|
|
|
3271 break;
|
|
|
3272 if (fvdef == fstartlist)
|
|
|
3273 fvdef = fvnone; /* avoid tagging `foo' in `foo (*bar()) ()' */
|
|
|
3274 break;
|
|
|
3275 case '}':
|
|
|
3276 if (definedef != dnone)
|
|
|
3277 break;
|
|
|
3278 if (!noindentypedefs && lp == newlb.buffer + 1)
|
|
|
3279 {
|
|
|
3280 cblev = 0; /* reset curly brace level if first column */
|
|
|
3281 parlev = 0; /* also reset paren level, just in case... */
|
|
|
3282 }
|
|
|
3283 else if (cblev > 0)
|
|
|
3284 cblev--;
|
|
|
3285 if (cblev == 0)
|
|
|
3286 {
|
|
|
3287 if (typdef == tinbody)
|
|
|
3288 typdef = tend;
|
|
|
3289 /* Memory leakage here: the string pointed by structtag is
|
|
|
3290 never released, because I fear to miss something and
|
|
|
3291 break things while freeing the area. The amount of
|
|
|
3292 memory leaked here is the sum of the lengths of the
|
|
|
3293 struct tags.
|
|
|
3294 if (structdef == sinbody)
|
|
|
3295 free (structtag); */
|
|
|
3296
|
|
|
3297 structdef = snone;
|
|
|
3298 structtag = "<error>";
|
|
|
3299 #ifdef OO_BROWSER
|
|
|
3300 /* Next line added to avoid any state carryover between
|
|
|
3301 functions. -- Bob Weiner, Altrasoft, 11/19/1997 */
|
|
|
3302 fvdef = fvnone; oo_browser_construct = C_NULL;
|
|
|
3303 #endif
|
|
|
3304 }
|
|
|
3305 break;
|
|
|
3306 case '=':
|
|
|
3307 if (definedef != dnone)
|
|
|
3308 break;
|
|
|
3309 #ifdef OO_BROWSER
|
|
|
3310 {
|
|
|
3311 int is_method = 0;
|
|
|
3312 #endif
|
|
|
3313 switch (fvdef)
|
|
|
3314 {
|
|
|
3315 case finlist:
|
|
|
3316 case fignore:
|
|
|
3317 case vignore:
|
|
|
3318 break;
|
|
|
3319 case fvnameseen:
|
|
|
3320 if ((globals && cblev == 0) || (members && cblev == 1))
|
|
|
3321 #ifndef OO_BROWSER
|
|
|
3322 make_C_tag (FALSE); /* a variable */
|
|
|
3323 #else
|
|
|
3324 {
|
|
|
3325 tok.named = TRUE;
|
|
|
3326 switch (structtype)
|
|
|
3327 {
|
|
|
3328 case st_C_enum:
|
|
|
3329 set_construct(C_ENUMERATION);
|
|
|
3330 break;
|
|
|
3331 case st_C_class:
|
|
|
3332 set_construct(C_CLASS);
|
|
|
3333 break;
|
|
|
3334 default:
|
|
|
3335 /* a global variable */
|
|
|
3336 set_construct(C_VARIABLE);
|
|
|
3337 break;
|
|
|
3338 }
|
|
286
|
3339
|
|
|
3340 /* ootags categorizes each tag found whereas etags doesn't.
|
|
|
3341 Set the is_method flag if this tag has been marked as
|
|
|
3342 such by an earlier section of code.
|
|
|
3343 -- Steve Baur, Altrasoft, 5/7/1998 */
|
|
282
|
3344 is_method = (oo_browser_construct == C_METHOD);
|
|
286
|
3345
|
|
282
|
3346 make_C_tag (FALSE);
|
|
|
3347 /* Force reset of st_C_enum structtype value. */
|
|
|
3348 structtype = st_none;
|
|
|
3349 }
|
|
|
3350 #endif
|
|
|
3351 /* FALLTHRU */
|
|
|
3352 default:
|
|
|
3353 #ifdef OO_BROWSER
|
|
|
3354 fvdef = is_method ? fignore : vignore;
|
|
|
3355 #else
|
|
|
3356 fvdef = vignore;
|
|
|
3357 #endif
|
|
|
3358 }
|
|
|
3359 #ifdef OO_BROWSER
|
|
|
3360 }
|
|
|
3361 #endif
|
|
|
3362 break;
|
|
|
3363 case '+':
|
|
|
3364 case '-':
|
|
|
3365 if (objdef == oinbody && cblev == 0)
|
|
|
3366 {
|
|
|
3367 objdef = omethodsign;
|
|
|
3368 break;
|
|
|
3369 }
|
|
|
3370 /* FALLTHRU */
|
|
|
3371 case '#': case '~': case '&': case '%': case '/': case '|':
|
|
|
3372 case '^': case '!': case '<': case '>': case '.': case '?': case ']':
|
|
|
3373 if (definedef != dnone)
|
|
|
3374 break;
|
|
|
3375 #ifdef OO_BROWSER
|
|
|
3376 if (!cplpl)
|
|
|
3377 {
|
|
|
3378 #endif
|
|
286
|
3379 /* The above characters cannot follow a function tag in C, so
|
|
|
3380 unmark this as a function entry. For C++, these characters
|
|
|
3381 may follow an `operator' function construct, so skip the
|
|
|
3382 unmarking conditional below.
|
|
|
3383 -- Steve Baur, Altrasoft, 5/7/1998 */
|
|
282
|
3384 if (fvdef != finlist && fvdef != fignore && fvdef != vignore)
|
|
|
3385 fvdef = fvnone;
|
|
|
3386 #ifdef OO_BROWSER
|
|
|
3387 }
|
|
|
3388 #endif
|
|
|
3389 break;
|
|
|
3390 case '\0':
|
|
|
3391 if (objdef == otagseen)
|
|
|
3392 {
|
|
|
3393 make_C_tag (TRUE); /* an Objective C class */
|
|
|
3394 objdef = oignore;
|
|
|
3395 }
|
|
|
3396 /* If a macro spans multiple lines don't reset its state. */
|
|
|
3397 if (quotednl)
|
|
|
3398 CNL_SAVE_DEFINEDEF ();
|
|
|
3399 else
|
|
|
3400 CNL ();
|
|
|
3401 break;
|
|
|
3402 } /* switch (c) */
|
|
|
3403
|
|
|
3404 } /* while not eof */
|
|
|
3405 }
|
|
|
3406
|
|
|
3407 /*
|
|
|
3408 * Process either a C++ file or a C file depending on the setting
|
|
|
3409 * of a global flag.
|
|
|
3410 */
|
|
|
3411 void
|
|
|
3412 default_C_entries (inf)
|
|
|
3413 FILE *inf;
|
|
|
3414 {
|
|
|
3415 C_entries (cplusplus ? C_PLPL : 0, inf);
|
|
|
3416 }
|
|
|
3417
|
|
|
3418 /* Always do plain ANSI C. */
|
|
|
3419 void
|
|
|
3420 plain_C_entries (inf)
|
|
|
3421 FILE *inf;
|
|
|
3422 {
|
|
|
3423 C_entries (0, inf);
|
|
|
3424 }
|
|
|
3425
|
|
|
3426 /* Always do C++. */
|
|
|
3427 void
|
|
|
3428 Cplusplus_entries (inf)
|
|
|
3429 FILE *inf;
|
|
|
3430 {
|
|
|
3431 C_entries (C_PLPL, inf);
|
|
|
3432 }
|
|
|
3433
|
|
|
3434 /* Always do Java. */
|
|
|
3435 void
|
|
|
3436 Cjava_entries (inf)
|
|
|
3437 FILE *inf;
|
|
|
3438 {
|
|
|
3439 C_entries (C_JAVA, inf);
|
|
|
3440 }
|
|
|
3441
|
|
|
3442 /* Always do C*. */
|
|
|
3443 void
|
|
|
3444 Cstar_entries (inf)
|
|
|
3445 FILE *inf;
|
|
|
3446 {
|
|
|
3447 C_entries (C_STAR, inf);
|
|
|
3448 }
|
|
|
3449
|
|
|
3450 /* Always do Yacc. */
|
|
|
3451 void
|
|
|
3452 Yacc_entries (inf)
|
|
|
3453 FILE *inf;
|
|
|
3454 {
|
|
|
3455 C_entries (YACC, inf);
|
|
|
3456 }
|
|
|
3457
|
|
|
3458 /* A useful macro. */
|
|
|
3459 #define LOOP_ON_INPUT_LINES(file_pointer, line_buffer, char_pointer) \
|
|
|
3460 for (lineno = charno = 0; /* loop initialization */ \
|
|
|
3461 !feof (file_pointer) /* loop test */ \
|
|
|
3462 && (lineno++, /* instructions at start of loop */ \
|
|
|
3463 linecharno = charno, \
|
|
|
3464 charno += readline (&line_buffer, file_pointer), \
|
|
|
3465 char_pointer = lb.buffer, \
|
|
|
3466 TRUE); \
|
|
|
3467 )
|
|
|
3468
|
|
|
3469
|
|
|
3470 /*
|
|
|
3471 * Read a file, but do no processing. This is used to do regexp
|
|
|
3472 * matching on files that have no language defined.
|
|
|
3473 */
|
|
|
3474 void
|
|
|
3475 just_read_file (inf)
|
|
|
3476 FILE *inf;
|
|
|
3477 {
|
|
|
3478 register char *dummy;
|
|
|
3479
|
|
|
3480 LOOP_ON_INPUT_LINES (inf, lb, dummy)
|
|
|
3481 continue;
|
|
|
3482 }
|
|
|
3483
|
|
|
3484 /* Fortran parsing */
|
|
|
3485
|
|
|
3486 bool tail PP ((char *cp));
|
|
|
3487 bool
|
|
|
3488 tail (cp)
|
|
|
3489 char *cp;
|
|
|
3490 {
|
|
|
3491 register int len = 0;
|
|
|
3492
|
|
|
3493 while (*cp && lowcase(*cp) == lowcase(dbp[len]))
|
|
|
3494 cp++, len++;
|
|
|
3495 if (*cp == '\0' && !intoken(dbp[len]))
|
|
|
3496 {
|
|
|
3497 dbp += len;
|
|
|
3498 return TRUE;
|
|
|
3499 }
|
|
|
3500 return FALSE;
|
|
|
3501 }
|
|
|
3502
|
|
|
3503 void
|
|
|
3504 takeprec ()
|
|
|
3505 {
|
|
|
3506 dbp = skip_spaces (dbp);
|
|
|
3507 if (*dbp != '*')
|
|
|
3508 return;
|
|
|
3509 dbp++;
|
|
|
3510 dbp = skip_spaces (dbp);
|
|
|
3511 if (strneq (dbp, "(*)", 3))
|
|
|
3512 {
|
|
|
3513 dbp += 3;
|
|
|
3514 return;
|
|
|
3515 }
|
|
|
3516 if (!isdigit (*dbp))
|
|
|
3517 {
|
|
|
3518 --dbp; /* force failure */
|
|
|
3519 return;
|
|
|
3520 }
|
|
|
3521 do
|
|
|
3522 dbp++;
|
|
|
3523 while (isdigit (*dbp));
|
|
|
3524 }
|
|
|
3525
|
|
|
3526 void getit PP ((FILE *inf));
|
|
|
3527 void
|
|
|
3528 getit (inf)
|
|
|
3529 FILE *inf;
|
|
|
3530 {
|
|
|
3531 register char *cp;
|
|
|
3532
|
|
|
3533 dbp = skip_spaces (dbp);
|
|
|
3534 if (*dbp == '\0')
|
|
|
3535 {
|
|
|
3536 lineno++;
|
|
|
3537 linecharno = charno;
|
|
|
3538 charno += readline (&lb, inf);
|
|
|
3539 dbp = lb.buffer;
|
|
|
3540 if (dbp[5] != '&')
|
|
|
3541 return;
|
|
|
3542 dbp += 6;
|
|
|
3543 dbp = skip_spaces (dbp);
|
|
|
3544 }
|
|
|
3545 if (!isalpha (*dbp)
|
|
|
3546 && *dbp != '_'
|
|
|
3547 && *dbp != '$')
|
|
|
3548 return;
|
|
|
3549 for (cp = dbp + 1; *cp && intoken (*cp); cp++)
|
|
|
3550 continue;
|
|
|
3551 pfnote ((CTAGS) ? savenstr (dbp, cp-dbp) : NULL, TRUE,
|
|
|
3552 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3553 }
|
|
|
3554
|
|
|
3555
|
|
|
3556 void
|
|
|
3557 Fortran_functions (inf)
|
|
|
3558 FILE *inf;
|
|
|
3559 {
|
|
|
3560 LOOP_ON_INPUT_LINES (inf, lb, dbp)
|
|
|
3561 {
|
|
|
3562 if (*dbp == '%')
|
|
|
3563 dbp++; /* Ratfor escape to fortran */
|
|
|
3564 dbp = skip_spaces (dbp);
|
|
|
3565 if (*dbp == '\0')
|
|
|
3566 continue;
|
|
|
3567 switch (lowcase (*dbp))
|
|
|
3568 {
|
|
|
3569 case 'i':
|
|
|
3570 if (tail ("integer"))
|
|
|
3571 takeprec ();
|
|
|
3572 break;
|
|
|
3573 case 'r':
|
|
|
3574 if (tail ("real"))
|
|
|
3575 takeprec ();
|
|
|
3576 break;
|
|
|
3577 case 'l':
|
|
|
3578 if (tail ("logical"))
|
|
|
3579 takeprec ();
|
|
|
3580 break;
|
|
|
3581 case 'c':
|
|
|
3582 if (tail ("complex") || tail ("character"))
|
|
|
3583 takeprec ();
|
|
|
3584 break;
|
|
|
3585 case 'd':
|
|
|
3586 if (tail ("double"))
|
|
|
3587 {
|
|
|
3588 dbp = skip_spaces (dbp);
|
|
|
3589 if (*dbp == '\0')
|
|
|
3590 continue;
|
|
|
3591 if (tail ("precision"))
|
|
|
3592 break;
|
|
|
3593 continue;
|
|
|
3594 }
|
|
|
3595 break;
|
|
|
3596 }
|
|
|
3597 dbp = skip_spaces (dbp);
|
|
|
3598 if (*dbp == '\0')
|
|
|
3599 continue;
|
|
|
3600 switch (lowcase (*dbp))
|
|
|
3601 {
|
|
|
3602 case 'f':
|
|
|
3603 if (tail ("function"))
|
|
|
3604 getit (inf);
|
|
|
3605 continue;
|
|
|
3606 case 's':
|
|
|
3607 if (tail ("subroutine"))
|
|
|
3608 getit (inf);
|
|
|
3609 continue;
|
|
|
3610 case 'e':
|
|
|
3611 if (tail ("entry"))
|
|
|
3612 getit (inf);
|
|
|
3613 continue;
|
|
|
3614 case 'p':
|
|
|
3615 if (tail ("program"))
|
|
|
3616 {
|
|
|
3617 getit (inf);
|
|
|
3618 continue;
|
|
|
3619 }
|
|
|
3620 if (tail ("procedure"))
|
|
|
3621 getit (inf);
|
|
|
3622 continue;
|
|
|
3623 }
|
|
|
3624 }
|
|
|
3625 }
|
|
|
3626
|
|
|
3627 /*
|
|
|
3628 * Bob Weiner, Motorola Inc., 4/3/94
|
|
|
3629 * Unix and microcontroller assembly tag handling
|
|
|
3630 * look for '^[a-zA-Z_.$][a-zA_Z0-9_.$]*[: ^I^J]'
|
|
|
3631 */
|
|
|
3632 void
|
|
398
|
3633 Asm_labels (FILE *inf)
|
|
282
|
3634 {
|
|
|
3635 register char *cp;
|
|
|
3636
|
|
|
3637 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
3638 {
|
|
|
3639 /* If first char is alphabetic or one of [_.$], test for colon
|
|
|
3640 following identifier. */
|
|
|
3641 if (isalpha (*cp) || *cp == '_' || *cp == '.' || *cp == '$')
|
|
|
3642 {
|
|
|
3643 /* Read past label. */
|
|
|
3644 cp++;
|
|
|
3645 while (isalnum (*cp) || *cp == '_' || *cp == '.' || *cp == '$')
|
|
|
3646 cp++;
|
|
|
3647 if (*cp == ':' || isspace (*cp))
|
|
|
3648 {
|
|
|
3649 /* Found end of label, so copy it and add it to the table. */
|
|
|
3650 pfnote ((CTAGS) ? savenstr(lb.buffer, cp-lb.buffer) : NULL, TRUE,
|
|
|
3651 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3652 }
|
|
|
3653 }
|
|
|
3654 }
|
|
|
3655 }
|
|
|
3656
|
|
|
3657 /*
|
|
|
3658 * Perl support by Bart Robinson <lomew@cs.utah.edu>
|
|
|
3659 * enhanced by Michael Ernst <mernst@alum.mit.edu>
|
|
|
3660 * Perl sub names: look for /^sub[ \t\n]+[^ \t\n{]+/
|
|
|
3661 * Perl variable names: /^(my|local).../
|
|
|
3662 */
|
|
|
3663 void
|
|
|
3664 Perl_functions (inf)
|
|
|
3665 FILE *inf;
|
|
|
3666 {
|
|
|
3667 register char *cp;
|
|
|
3668
|
|
|
3669 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
3670 {
|
|
|
3671 if (*cp++ == 's'
|
|
|
3672 && *cp++ == 'u'
|
|
|
3673 && *cp++ == 'b' && isspace (*cp++))
|
|
|
3674 {
|
|
|
3675 cp = skip_spaces (cp);
|
|
|
3676 if (*cp != '\0')
|
|
|
3677 {
|
|
|
3678 while (*cp != '\0'
|
|
|
3679 && !isspace (*cp) && *cp != '{' && *cp != '(')
|
|
|
3680 cp++;
|
|
|
3681 pfnote ((CTAGS) ? savenstr(lb.buffer, cp-lb.buffer) : NULL, TRUE,
|
|
|
3682 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3683 }
|
|
|
3684 }
|
|
|
3685 else if (globals /* only if tagging global vars is enabled */
|
|
|
3686 && ((cp = lb.buffer,
|
|
|
3687 *cp++ == 'm'
|
|
|
3688 && *cp++ == 'y')
|
|
|
3689 || (cp = lb.buffer,
|
|
|
3690 *cp++ == 'l'
|
|
|
3691 && *cp++ == 'o'
|
|
|
3692 && *cp++ == 'c'
|
|
|
3693 && *cp++ == 'a'
|
|
|
3694 && *cp++ == 'l'))
|
|
|
3695 && (*cp == '(' || isspace (*cp)))
|
|
|
3696 {
|
|
|
3697 /* After "my" or "local", but before any following paren or space. */
|
|
|
3698 char *varname = NULL;
|
|
|
3699
|
|
|
3700 cp = skip_spaces (cp);
|
|
|
3701 if (*cp == '$' || *cp == '@' || *cp == '%')
|
|
|
3702 {
|
|
|
3703 char* varstart = ++cp;
|
|
|
3704 while (isalnum (*cp) || *cp == '_')
|
|
|
3705 cp++;
|
|
|
3706 varname = savenstr (varstart, cp-varstart);
|
|
|
3707 }
|
|
|
3708 else
|
|
|
3709 {
|
|
|
3710 /* Should be examining a variable list at this point;
|
|
|
3711 could insist on seeing an open parenthesis. */
|
|
|
3712 while (*cp != '\0' && *cp != ';' && *cp != '=' && *cp != ')')
|
|
|
3713 cp++;
|
|
|
3714 }
|
|
|
3715
|
|
|
3716 /* Perhaps I should back cp up one character, so the TAGS table
|
|
|
3717 doesn't mention (and so depend upon) the following char. */
|
|
|
3718 pfnote ((CTAGS) ? savenstr (lb.buffer, cp-lb.buffer) : varname,
|
|
|
3719 FALSE, lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3720 }
|
|
|
3721 }
|
|
|
3722 }
|
|
|
3723
|
|
|
3724 /*
|
|
|
3725 * Python support by Eric S. Raymond <esr@thyrsus.com>
|
|
|
3726 * Look for /^def[ \t\n]+[^ \t\n(:]+/ or /^class[ \t\n]+[^ \t\n(:]+/
|
|
|
3727 */
|
|
|
3728 void
|
|
|
3729 Python_functions (inf)
|
|
|
3730 FILE *inf;
|
|
|
3731 {
|
|
|
3732 register char *cp;
|
|
|
3733
|
|
|
3734 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
3735 {
|
|
|
3736 if (*cp++ == 'd'
|
|
|
3737 && *cp++ == 'e'
|
|
|
3738 && *cp++ == 'f' && isspace (*cp++))
|
|
|
3739 {
|
|
|
3740 cp = skip_spaces (cp);
|
|
|
3741 while (*cp != '\0' && !isspace (*cp) && *cp != '(' && *cp != ':')
|
|
|
3742 cp++;
|
|
|
3743 pfnote ((char *) NULL, TRUE,
|
|
|
3744 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3745 }
|
|
|
3746
|
|
|
3747 cp = lb.buffer;
|
|
|
3748 if (*cp++ == 'c'
|
|
|
3749 && *cp++ == 'l'
|
|
|
3750 && *cp++ == 'a'
|
|
|
3751 && *cp++ == 's'
|
|
|
3752 && *cp++ == 's' && isspace (*cp++))
|
|
|
3753 {
|
|
|
3754 cp = skip_spaces (cp);
|
|
|
3755 while (*cp != '\0' && !isspace (*cp) && *cp != '(' && *cp != ':')
|
|
|
3756 cp++;
|
|
|
3757 pfnote ((char *) NULL, TRUE,
|
|
|
3758 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
3759 }
|
|
|
3760 }
|
|
|
3761 }
|
|
|
3762
|
|
|
3763 /* Idea by Corny de Souza
|
|
|
3764 * Cobol tag functions
|
|
|
3765 * We could look for anything that could be a paragraph name.
|
|
|
3766 * i.e. anything that starts in column 8 is one word and ends in a full stop.
|
|
|
3767 */
|
|
|
3768 void
|
|
|
3769 Cobol_paragraphs (inf)
|
|
|
3770 FILE *inf;
|
|
|
3771 {
|
|
|
3772 register char *bp, *ep;
|
|
|
3773
|
|
|
3774 LOOP_ON_INPUT_LINES (inf, lb, bp)
|
|
|
3775 {
|
|
|
3776 if (lb.len < 9)
|
|
|
3777 continue;
|
|
|
3778 bp += 8;
|
|
|
3779
|
|
|
3780 /* If eoln, compiler option or comment ignore whole line. */
|
|
|
3781 if (bp[-1] != ' ' || !isalnum (bp[0]))
|
|
|
3782 continue;
|
|
|
3783
|
|
|
3784 for (ep = bp; isalnum (*ep) || *ep == '-'; ep++)
|
|
|
3785 continue;
|
|
|
3786 if (*ep++ == '.')
|
|
|
3787 pfnote ((CTAGS) ? savenstr (bp, ep-bp) : NULL, TRUE,
|
|
|
3788 lb.buffer, ep - lb.buffer + 1, lineno, linecharno);
|
|
|
3789 }
|
|
|
3790 }
|
|
|
3791
|
|
|
3792 /* Added by Mosur Mohan, 4/22/88 */
|
|
|
3793 /* Pascal parsing */
|
|
|
3794
|
|
|
3795 /*
|
|
|
3796 * Locates tags for procedures & functions. Doesn't do any type- or
|
|
|
3797 * var-definitions. It does look for the keyword "extern" or
|
|
|
3798 * "forward" immediately following the procedure statement; if found,
|
|
|
3799 * the tag is skipped.
|
|
|
3800 */
|
|
|
3801 void
|
|
|
3802 Pascal_functions (inf)
|
|
|
3803 FILE *inf;
|
|
|
3804 {
|
|
|
3805 linebuffer tline; /* mostly copied from C_entries */
|
|
|
3806 long save_lcno;
|
|
|
3807 int save_lineno, save_len;
|
|
|
3808 char c, *cp, *namebuf;
|
|
|
3809
|
|
|
3810 bool /* each of these flags is TRUE iff: */
|
|
|
3811 incomment, /* point is inside a comment */
|
|
|
3812 inquote, /* point is inside '..' string */
|
|
|
3813 get_tagname, /* point is after PROCEDURE/FUNCTION
|
|
|
3814 keyword, so next item = potential tag */
|
|
|
3815 found_tag, /* point is after a potential tag */
|
|
|
3816 inparms, /* point is within parameter-list */
|
|
|
3817 verify_tag; /* point has passed the parm-list, so the
|
|
|
3818 next token will determine whether this
|
|
|
3819 is a FORWARD/EXTERN to be ignored, or
|
|
|
3820 whether it is a real tag */
|
|
|
3821
|
|
|
3822 save_lcno = save_lineno = save_len = 0; /* keep compiler quiet */
|
|
|
3823 namebuf = NULL; /* keep compiler quiet */
|
|
|
3824 lineno = 0;
|
|
|
3825 charno = 0;
|
|
|
3826 dbp = lb.buffer;
|
|
|
3827 *dbp = '\0';
|
|
|
3828 initbuffer (&tline);
|
|
|
3829
|
|
|
3830 incomment = inquote = FALSE;
|
|
|
3831 found_tag = FALSE; /* have a proc name; check if extern */
|
|
|
3832 get_tagname = FALSE; /* have found "procedure" keyword */
|
|
|
3833 inparms = FALSE; /* found '(' after "proc" */
|
|
|
3834 verify_tag = FALSE; /* check if "extern" is ahead */
|
|
|
3835
|
|
|
3836
|
|
|
3837 while (!feof (inf)) /* long main loop to get next char */
|
|
|
3838 {
|
|
|
3839 c = *dbp++;
|
|
|
3840 if (c == '\0') /* if end of line */
|
|
|
3841 {
|
|
|
3842 lineno++;
|
|
|
3843 linecharno = charno;
|
|
|
3844 charno += readline (&lb, inf);
|
|
|
3845 dbp = lb.buffer;
|
|
|
3846 if (*dbp == '\0')
|
|
|
3847 continue;
|
|
|
3848 if (!((found_tag && verify_tag)
|
|
|
3849 || get_tagname))
|
|
|
3850 c = *dbp++; /* only if don't need *dbp pointing
|
|
|
3851 to the beginning of the name of
|
|
|
3852 the procedure or function */
|
|
|
3853 }
|
|
|
3854 if (incomment)
|
|
|
3855 {
|
|
|
3856 if (c == '}') /* within { } comments */
|
|
|
3857 incomment = FALSE;
|
|
|
3858 else if (c == '*' && *dbp == ')') /* within (* *) comments */
|
|
|
3859 {
|
|
|
3860 dbp++;
|
|
|
3861 incomment = FALSE;
|
|
|
3862 }
|
|
|
3863 continue;
|
|
|
3864 }
|
|
|
3865 else if (inquote)
|
|
|
3866 {
|
|
|
3867 if (c == '\'')
|
|
|
3868 inquote = FALSE;
|
|
|
3869 continue;
|
|
|
3870 }
|
|
|
3871 else
|
|
|
3872 switch (c)
|
|
|
3873 {
|
|
|
3874 case '\'':
|
|
|
3875 inquote = TRUE; /* found first quote */
|
|
|
3876 continue;
|
|
|
3877 case '{': /* found open { comment */
|
|
|
3878 incomment = TRUE;
|
|
|
3879 continue;
|
|
|
3880 case '(':
|
|
|
3881 if (*dbp == '*') /* found open (* comment */
|
|
|
3882 {
|
|
|
3883 incomment = TRUE;
|
|
|
3884 dbp++;
|
|
|
3885 }
|
|
|
3886 else if (found_tag) /* found '(' after tag, i.e., parm-list */
|
|
|
3887 inparms = TRUE;
|
|
|
3888 continue;
|
|
|
3889 case ')': /* end of parms list */
|
|
|
3890 if (inparms)
|
|
|
3891 inparms = FALSE;
|
|
|
3892 continue;
|
|
|
3893 case ';':
|
|
|
3894 if (found_tag && !inparms) /* end of proc or fn stmt */
|
|
|
3895 {
|
|
|
3896 verify_tag = TRUE;
|
|
|
3897 break;
|
|
|
3898 }
|
|
|
3899 continue;
|
|
|
3900 }
|
|
|
3901 if (found_tag && verify_tag && (*dbp != ' '))
|
|
|
3902 {
|
|
|
3903 /* check if this is an "extern" declaration */
|
|
|
3904 if (*dbp == '\0')
|
|
|
3905 continue;
|
|
|
3906 if (lowcase (*dbp == 'e'))
|
|
|
3907 {
|
|
|
3908 if (tail ("extern")) /* superfluous, really! */
|
|
|
3909 {
|
|
|
3910 found_tag = FALSE;
|
|
|
3911 verify_tag = FALSE;
|
|
|
3912 }
|
|
|
3913 }
|
|
|
3914 else if (lowcase (*dbp) == 'f')
|
|
|
3915 {
|
|
|
3916 if (tail ("forward")) /* check for forward reference */
|
|
|
3917 {
|
|
|
3918 found_tag = FALSE;
|
|
|
3919 verify_tag = FALSE;
|
|
|
3920 }
|
|
|
3921 }
|
|
|
3922 if (found_tag && verify_tag) /* not external proc, so make tag */
|
|
|
3923 {
|
|
|
3924 found_tag = FALSE;
|
|
|
3925 verify_tag = FALSE;
|
|
|
3926 pfnote (namebuf, TRUE,
|
|
|
3927 tline.buffer, save_len, save_lineno, save_lcno);
|
|
|
3928 continue;
|
|
|
3929 }
|
|
|
3930 }
|
|
|
3931 if (get_tagname) /* grab name of proc or fn */
|
|
|
3932 {
|
|
|
3933 if (*dbp == '\0')
|
|
|
3934 continue;
|
|
|
3935
|
|
|
3936 /* save all values for later tagging */
|
|
|
3937 grow_linebuffer (&tline, lb.len + 1);
|
|
|
3938 strcpy (tline.buffer, lb.buffer);
|
|
|
3939 save_lineno = lineno;
|
|
|
3940 save_lcno = linecharno;
|
|
|
3941
|
|
|
3942 /* grab block name */
|
|
|
3943 for (cp = dbp + 1; *cp != '\0' && !endtoken (*cp); cp++)
|
|
|
3944 continue;
|
|
|
3945 namebuf = (CTAGS) ? savenstr (dbp, cp-dbp) : NULL;
|
|
|
3946 dbp = cp; /* set dbp to e-o-token */
|
|
|
3947 save_len = dbp - lb.buffer + 1;
|
|
|
3948 get_tagname = FALSE;
|
|
|
3949 found_tag = TRUE;
|
|
|
3950 continue;
|
|
|
3951
|
|
|
3952 /* and proceed to check for "extern" */
|
|
|
3953 }
|
|
|
3954 else if (!incomment && !inquote && !found_tag)
|
|
|
3955 {
|
|
|
3956 /* check for proc/fn keywords */
|
|
|
3957 switch (lowcase (c))
|
|
|
3958 {
|
|
|
3959 case 'p':
|
|
|
3960 if (tail ("rocedure")) /* c = 'p', dbp has advanced */
|
|
|
3961 get_tagname = TRUE;
|
|
|
3962 continue;
|
|
|
3963 case 'f':
|
|
|
3964 if (tail ("unction"))
|
|
|
3965 get_tagname = TRUE;
|
|
|
3966 continue;
|
|
|
3967 }
|
|
|
3968 }
|
|
|
3969 } /* while not eof */
|
|
|
3970
|
|
|
3971 free (tline.buffer);
|
|
|
3972 }
|
|
|
3973
|
|
|
3974 /*
|
|
|
3975 * lisp tag functions
|
|
|
3976 * look for (def or (DEF, quote or QUOTE
|
|
|
3977 */
|
|
|
3978 int L_isdef PP ((char *strp));
|
|
|
3979 int
|
|
|
3980 L_isdef (strp)
|
|
|
3981 register char *strp;
|
|
|
3982 {
|
|
|
3983 return ((strp[1] == 'd' || strp[1] == 'D')
|
|
|
3984 && (strp[2] == 'e' || strp[2] == 'E')
|
|
|
3985 && (strp[3] == 'f' || strp[3] == 'F'));
|
|
|
3986 }
|
|
|
3987 int L_isquote PP ((char *strp));
|
|
|
3988 int
|
|
|
3989 L_isquote (strp)
|
|
|
3990 register char *strp;
|
|
|
3991 {
|
|
|
3992 return ((*++strp == 'q' || *strp == 'Q')
|
|
|
3993 && (*++strp == 'u' || *strp == 'U')
|
|
|
3994 && (*++strp == 'o' || *strp == 'O')
|
|
|
3995 && (*++strp == 't' || *strp == 'T')
|
|
|
3996 && (*++strp == 'e' || *strp == 'E')
|
|
|
3997 && isspace (*++strp));
|
|
|
3998 }
|
|
|
3999
|
|
|
4000 void L_getit PP ((void));
|
|
|
4001 void
|
|
|
4002 L_getit ()
|
|
|
4003 {
|
|
|
4004 register char *cp;
|
|
|
4005
|
|
|
4006 if (*dbp == '\'') /* Skip prefix quote */
|
|
|
4007 dbp++;
|
|
|
4008 else if (*dbp == '(')
|
|
|
4009 {
|
|
|
4010 if (L_isquote (dbp))
|
|
|
4011 dbp += 7; /* Skip "(quote " */
|
|
|
4012 else
|
|
|
4013 dbp += 1; /* Skip "(" before name in (defstruct (foo)) */
|
|
|
4014 dbp = skip_spaces (dbp);
|
|
|
4015 }
|
|
|
4016
|
|
|
4017 for (cp = dbp /*+1*/;
|
|
|
4018 *cp != '\0' && *cp != '(' && *cp != ' ' && *cp != ')';
|
|
|
4019 cp++)
|
|
|
4020 continue;
|
|
|
4021 if (cp == dbp)
|
|
|
4022 return;
|
|
|
4023
|
|
|
4024 pfnote ((CTAGS) ? savenstr (dbp, cp-dbp) : NULL, TRUE,
|
|
|
4025 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
4026 }
|
|
|
4027
|
|
|
4028 void
|
|
|
4029 Lisp_functions (inf)
|
|
|
4030 FILE *inf;
|
|
|
4031 {
|
|
|
4032 LOOP_ON_INPUT_LINES (inf, lb, dbp)
|
|
|
4033 {
|
|
|
4034 if (dbp[0] == '(')
|
|
|
4035 {
|
|
|
4036 if (L_isdef (dbp))
|
|
|
4037 {
|
|
|
4038 dbp = skip_non_spaces (dbp);
|
|
|
4039 dbp = skip_spaces (dbp);
|
|
|
4040 L_getit ();
|
|
|
4041 }
|
|
|
4042 else
|
|
|
4043 {
|
|
|
4044 /* Check for (foo::defmumble name-defined ... */
|
|
|
4045 do
|
|
|
4046 dbp++;
|
|
|
4047 while (*dbp != '\0' && !isspace (*dbp)
|
|
|
4048 && *dbp != ':' && *dbp != '(' && *dbp != ')');
|
|
|
4049 if (*dbp == ':')
|
|
|
4050 {
|
|
|
4051 do
|
|
|
4052 dbp++;
|
|
|
4053 while (*dbp == ':');
|
|
|
4054
|
|
|
4055 if (L_isdef (dbp - 1))
|
|
|
4056 {
|
|
|
4057 dbp = skip_non_spaces (dbp);
|
|
|
4058 dbp = skip_spaces (dbp);
|
|
|
4059 L_getit ();
|
|
|
4060 }
|
|
|
4061 }
|
|
|
4062 }
|
|
|
4063 }
|
|
|
4064 }
|
|
|
4065 }
|
|
|
4066
|
|
|
4067 /*
|
|
|
4068 * Postscript tag functions
|
|
|
4069 * Just look for lines where the first character is '/'
|
|
371
|
4070 * Richard Mlynarik <mly@adoc.xerox.com>
|
|
282
|
4071 */
|
|
|
4072 void
|
|
|
4073 Postscript_functions (inf)
|
|
|
4074 FILE *inf;
|
|
|
4075 {
|
|
|
4076 register char *bp, *ep;
|
|
|
4077
|
|
|
4078 LOOP_ON_INPUT_LINES (inf, lb, bp)
|
|
|
4079 {
|
|
|
4080 if (bp[0] == '/')
|
|
|
4081 {
|
|
|
4082 for (ep = bp+1;
|
|
|
4083 *ep != '\0' && *ep != ' ' && *ep != '{';
|
|
|
4084 ep++)
|
|
|
4085 continue;
|
|
|
4086 pfnote ((CTAGS) ? savenstr (bp, ep-bp) : NULL, TRUE,
|
|
|
4087 lb.buffer, ep - lb.buffer + 1, lineno, linecharno);
|
|
|
4088 }
|
|
|
4089 }
|
|
|
4090 }
|
|
|
4091
|
|
|
4092
|
|
|
4093 /*
|
|
|
4094 * Scheme tag functions
|
|
|
4095 * look for (def... xyzzy
|
|
|
4096 * look for (def... (xyzzy
|
|
|
4097 * look for (def ... ((...(xyzzy ....
|
|
|
4098 * look for (set! xyzzy
|
|
|
4099 */
|
|
|
4100
|
|
|
4101 void get_scheme PP ((void));
|
|
|
4102
|
|
|
4103 void
|
|
|
4104 Scheme_functions (inf)
|
|
|
4105 FILE *inf;
|
|
|
4106 {
|
|
|
4107 LOOP_ON_INPUT_LINES (inf, lb, dbp)
|
|
|
4108 {
|
|
|
4109 if (dbp[0] == '('
|
|
|
4110 && (dbp[1] == 'D' || dbp[1] == 'd')
|
|
|
4111 && (dbp[2] == 'E' || dbp[2] == 'e')
|
|
|
4112 && (dbp[3] == 'F' || dbp[3] == 'f'))
|
|
|
4113 {
|
|
|
4114 dbp = skip_non_spaces (dbp);
|
|
|
4115 /* Skip over open parens and white space */
|
|
|
4116 while (isspace (*dbp) || *dbp == '(')
|
|
|
4117 dbp++;
|
|
|
4118 get_scheme ();
|
|
|
4119 }
|
|
|
4120 if (dbp[0] == '('
|
|
|
4121 && (dbp[1] == 'S' || dbp[1] == 's')
|
|
|
4122 && (dbp[2] == 'E' || dbp[2] == 'e')
|
|
|
4123 && (dbp[3] == 'T' || dbp[3] == 't')
|
|
|
4124 && (dbp[4] == '!' || dbp[4] == '!')
|
|
|
4125 && (isspace (dbp[5])))
|
|
|
4126 {
|
|
|
4127 dbp = skip_non_spaces (dbp);
|
|
|
4128 dbp = skip_spaces (dbp);
|
|
|
4129 get_scheme ();
|
|
|
4130 }
|
|
|
4131 }
|
|
|
4132 }
|
|
|
4133
|
|
|
4134 void
|
|
|
4135 get_scheme ()
|
|
|
4136 {
|
|
|
4137 register char *cp;
|
|
|
4138
|
|
|
4139 if (*dbp == '\0')
|
|
|
4140 return;
|
|
|
4141 /* Go till you get to white space or a syntactic break */
|
|
|
4142 for (cp = dbp + 1;
|
|
|
4143 *cp != '\0' && *cp != '(' && *cp != ')' && !isspace (*cp);
|
|
|
4144 cp++)
|
|
|
4145 continue;
|
|
|
4146 pfnote ((CTAGS) ? savenstr (dbp, cp-dbp) : NULL, TRUE,
|
|
|
4147 lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
|
|
|
4148 }
|
|
|
4149
|
|
|
4150 /* Find tags in TeX and LaTeX input files. */
|
|
|
4151
|
|
|
4152 /* TEX_toktab is a table of TeX control sequences that define tags.
|
|
|
4153 Each TEX_tabent records one such control sequence.
|
|
|
4154 CONVERT THIS TO USE THE Stab TYPE!! */
|
|
|
4155 struct TEX_tabent
|
|
|
4156 {
|
|
|
4157 char *name;
|
|
|
4158 int len;
|
|
|
4159 };
|
|
|
4160
|
|
|
4161 struct TEX_tabent *TEX_toktab = NULL; /* Table with tag tokens */
|
|
|
4162
|
|
|
4163 /* Default set of control sequences to put into TEX_toktab.
|
|
|
4164 The value of environment var TEXTAGS is prepended to this. */
|
|
|
4165
|
|
|
4166 char *TEX_defenv = "\
|
|
|
4167 :chapter:section:subsection:subsubsection:eqno:label:ref:cite:bibitem\
|
|
|
4168 :part:appendix:entry:index";
|
|
|
4169
|
|
|
4170 void TEX_mode PP ((FILE *inf));
|
|
|
4171 struct TEX_tabent *TEX_decode_env PP ((char *evarname, char *defenv));
|
|
|
4172 int TEX_Token PP ((char *cp));
|
|
|
4173
|
|
|
4174 char TEX_esc = '\\';
|
|
|
4175 char TEX_opgrp = '{';
|
|
|
4176 char TEX_clgrp = '}';
|
|
|
4177
|
|
|
4178 /*
|
|
|
4179 * TeX/LaTeX scanning loop.
|
|
|
4180 */
|
|
|
4181 void
|
|
|
4182 TeX_functions (inf)
|
|
|
4183 FILE *inf;
|
|
|
4184 {
|
|
|
4185 char *cp, *lasthit;
|
|
|
4186 register int i;
|
|
|
4187
|
|
|
4188 /* Select either \ or ! as escape character. */
|
|
|
4189 TEX_mode (inf);
|
|
|
4190
|
|
|
4191 /* Initialize token table once from environment. */
|
|
|
4192 if (!TEX_toktab)
|
|
|
4193 TEX_toktab = TEX_decode_env ("TEXTAGS", TEX_defenv);
|
|
|
4194
|
|
|
4195 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
4196 {
|
|
|
4197 lasthit = cp;
|
|
|
4198 /* Look at each esc in line. */
|
|
|
4199 while ((cp = etags_strchr (cp, TEX_esc)) != NULL)
|
|
|
4200 {
|
|
|
4201 if (*++cp == '\0')
|
|
|
4202 break;
|
|
|
4203 linecharno += cp - lasthit;
|
|
|
4204 lasthit = cp;
|
|
|
4205 i = TEX_Token (lasthit);
|
|
|
4206 if (i >= 0)
|
|
|
4207 {
|
|
|
4208 /* We seem to include the TeX command in the tag name.
|
|
|
4209 register char *p;
|
|
|
4210 for (p = lasthit + TEX_toktab[i].len;
|
|
|
4211 *p != '\0' && *p != TEX_clgrp;
|
|
|
4212 p++)
|
|
|
4213 continue; */
|
|
|
4214 pfnote (/*savenstr (lasthit, p-lasthit)*/ (char *)NULL, TRUE,
|
|
|
4215 lb.buffer, lb.len, lineno, linecharno);
|
|
|
4216 break; /* We only tag a line once */
|
|
|
4217 }
|
|
|
4218 }
|
|
|
4219 }
|
|
|
4220 }
|
|
|
4221
|
|
|
4222 #define TEX_LESC '\\'
|
|
|
4223 #define TEX_SESC '!'
|
|
|
4224 #define TEX_cmt '%'
|
|
|
4225
|
|
|
4226 /* Figure out whether TeX's escapechar is '\\' or '!' and set grouping
|
|
|
4227 chars accordingly. */
|
|
|
4228 void
|
|
|
4229 TEX_mode (inf)
|
|
|
4230 FILE *inf;
|
|
|
4231 {
|
|
|
4232 int c;
|
|
|
4233
|
|
|
4234 while ((c = getc (inf)) != EOF)
|
|
|
4235 {
|
|
|
4236 /* Skip to next line if we hit the TeX comment char. */
|
|
|
4237 if (c == TEX_cmt)
|
|
|
4238 while (c != '\n')
|
|
|
4239 c = getc (inf);
|
|
|
4240 else if (c == TEX_LESC || c == TEX_SESC )
|
|
|
4241 break;
|
|
|
4242 }
|
|
|
4243
|
|
|
4244 if (c == TEX_LESC)
|
|
|
4245 {
|
|
|
4246 TEX_esc = TEX_LESC;
|
|
|
4247 TEX_opgrp = '{';
|
|
|
4248 TEX_clgrp = '}';
|
|
|
4249 }
|
|
|
4250 else
|
|
|
4251 {
|
|
|
4252 TEX_esc = TEX_SESC;
|
|
|
4253 TEX_opgrp = '<';
|
|
|
4254 TEX_clgrp = '>';
|
|
|
4255 }
|
|
|
4256 rewind (inf);
|
|
|
4257 }
|
|
|
4258
|
|
|
4259 /* Read environment and prepend it to the default string.
|
|
|
4260 Build token table. */
|
|
|
4261 struct TEX_tabent *
|
|
|
4262 TEX_decode_env (evarname, defenv)
|
|
|
4263 char *evarname;
|
|
|
4264 char *defenv;
|
|
|
4265 {
|
|
|
4266 register char *env, *p;
|
|
|
4267
|
|
|
4268 struct TEX_tabent *tab;
|
|
|
4269 int size, i;
|
|
|
4270
|
|
|
4271 /* Append default string to environment. */
|
|
|
4272 env = getenv (evarname);
|
|
|
4273 if (!env)
|
|
|
4274 env = defenv;
|
|
|
4275 else
|
|
|
4276 {
|
|
|
4277 char *oldenv = env;
|
|
|
4278 env = concat (oldenv, defenv, "");
|
|
|
4279 free (oldenv);
|
|
|
4280 }
|
|
|
4281
|
|
|
4282 /* Allocate a token table */
|
|
|
4283 for (size = 1, p = env; p;)
|
|
|
4284 if ((p = etags_strchr (p, ':')) && *++p != '\0')
|
|
|
4285 size++;
|
|
|
4286 /* Add 1 to leave room for null terminator. */
|
|
|
4287 tab = xnew (size + 1, struct TEX_tabent);
|
|
|
4288
|
|
|
4289 /* Unpack environment string into token table. Be careful about */
|
|
|
4290 /* zero-length strings (leading ':', "::" and trailing ':') */
|
|
|
4291 for (i = 0; *env;)
|
|
|
4292 {
|
|
|
4293 p = etags_strchr (env, ':');
|
|
|
4294 if (!p) /* End of environment string. */
|
|
|
4295 p = env + strlen (env);
|
|
|
4296 if (p - env > 0)
|
|
|
4297 { /* Only non-zero strings. */
|
|
|
4298 tab[i].name = savenstr (env, p - env);
|
|
|
4299 tab[i].len = strlen (tab[i].name);
|
|
|
4300 i++;
|
|
|
4301 }
|
|
|
4302 if (*p)
|
|
|
4303 env = p + 1;
|
|
|
4304 else
|
|
|
4305 {
|
|
|
4306 tab[i].name = NULL; /* Mark end of table. */
|
|
|
4307 tab[i].len = 0;
|
|
|
4308 break;
|
|
|
4309 }
|
|
|
4310 }
|
|
|
4311 return tab;
|
|
|
4312 }
|
|
|
4313
|
|
|
4314 /* If the text at CP matches one of the tag-defining TeX command names,
|
|
|
4315 return the pointer to the first occurrence of that command in TEX_toktab.
|
|
|
4316 Otherwise return -1.
|
|
|
4317 Keep the capital `T' in `token' for dumb truncating compilers
|
|
|
4318 (this distinguishes it from `TEX_toktab' */
|
|
|
4319 int
|
|
|
4320 TEX_Token (cp)
|
|
|
4321 char *cp;
|
|
|
4322 {
|
|
|
4323 int i;
|
|
|
4324
|
|
|
4325 for (i = 0; TEX_toktab[i].len > 0; i++)
|
|
|
4326 if (strneq (TEX_toktab[i].name, cp, TEX_toktab[i].len))
|
|
|
4327 return i;
|
|
|
4328 return -1;
|
|
|
4329 }
|
|
|
4330
|
|
|
4331 /*
|
|
|
4332 * Prolog support (rewritten) by Anders Lindgren, Mar. 96
|
|
|
4333 *
|
|
|
4334 * Assumes that the predicate starts at column 0.
|
|
|
4335 * Only the first clause of a predicate is added.
|
|
|
4336 */
|
|
|
4337 int prolog_pred PP ((char *s, char *last));
|
|
|
4338 void prolog_skip_comment PP ((linebuffer *plb, FILE *inf));
|
|
|
4339 int prolog_atom PP ((char *s, int pos));
|
|
|
4340
|
|
|
4341 void
|
|
|
4342 Prolog_functions (inf)
|
|
|
4343 FILE *inf;
|
|
|
4344 {
|
|
|
4345 char *cp, *last;
|
|
|
4346 int len;
|
|
|
4347 int allocated;
|
|
|
4348
|
|
|
4349 allocated = 0;
|
|
|
4350 len = 0;
|
|
|
4351 last = NULL;
|
|
|
4352
|
|
|
4353 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
4354 {
|
|
|
4355 if (cp[0] == '\0') /* Empty line */
|
|
|
4356 continue;
|
|
|
4357 else if (isspace (cp[0])) /* Not a predicate */
|
|
|
4358 continue;
|
|
|
4359 else if (cp[0] == '/' && cp[1] == '*') /* comment. */
|
|
|
4360 prolog_skip_comment (&lb, inf);
|
|
|
4361 else if ((len = prolog_pred (cp, last)) > 0)
|
|
|
4362 {
|
|
|
4363 /* Predicate. Store the function name so that we only
|
|
|
4364 generate a tag for the first clause. */
|
|
|
4365 if (last == NULL)
|
|
|
4366 last = xnew(len + 1, char);
|
|
|
4367 else if (len + 1 > allocated)
|
|
|
4368 last = xrnew (last, len + 1, char);
|
|
|
4369 allocated = len + 1;
|
|
|
4370 strncpy (last, cp, len);
|
|
|
4371 last[len] = '\0';
|
|
|
4372 }
|
|
|
4373 }
|
|
|
4374 }
|
|
|
4375
|
|
|
4376
|
|
|
4377 void
|
|
|
4378 prolog_skip_comment (plb, inf)
|
|
|
4379 linebuffer *plb;
|
|
|
4380 FILE *inf;
|
|
|
4381 {
|
|
|
4382 char *cp;
|
|
|
4383
|
|
|
4384 do
|
|
|
4385 {
|
|
|
4386 for (cp = plb->buffer; *cp != '\0'; cp++)
|
|
|
4387 if (cp[0] == '*' && cp[1] == '/')
|
|
|
4388 return;
|
|
|
4389 lineno++;
|
|
|
4390 linecharno += readline (plb, inf);
|
|
|
4391 }
|
|
|
4392 while (!feof(inf));
|
|
|
4393 }
|
|
|
4394
|
|
|
4395 /*
|
|
|
4396 * A predicate definition is added if it matches:
|
|
|
4397 * <beginning of line><Prolog Atom><whitespace>(
|
|
|
4398 *
|
|
|
4399 * It is added to the tags database if it doesn't match the
|
|
|
4400 * name of the previous clause header.
|
|
|
4401 *
|
|
|
4402 * Return the size of the name of the predicate, or 0 if no header
|
|
|
4403 * was found.
|
|
|
4404 */
|
|
|
4405 int
|
|
|
4406 prolog_pred (s, last)
|
|
|
4407 char *s;
|
|
|
4408 char *last; /* Name of last clause. */
|
|
|
4409 {
|
|
|
4410 int pos;
|
|
|
4411 int len;
|
|
|
4412
|
|
|
4413 pos = prolog_atom (s, 0);
|
|
|
4414 if (pos < 1)
|
|
|
4415 return 0;
|
|
|
4416
|
|
|
4417 len = pos;
|
|
|
4418 pos = skip_spaces (s + pos) - s;
|
|
|
4419
|
|
|
4420 if ((s[pos] == '(') || (s[pos] == '.'))
|
|
|
4421 {
|
|
|
4422 if (s[pos] == '(')
|
|
|
4423 pos++;
|
|
|
4424
|
|
|
4425 /* Save only the first clause. */
|
|
|
4426 if (last == NULL
|
|
|
4427 || len != strlen (last)
|
|
|
4428 || !strneq (s, last, len))
|
|
|
4429 {
|
|
|
4430 pfnote ((CTAGS) ? savenstr (s, len) : NULL, TRUE,
|
|
|
4431 s, pos, lineno, linecharno);
|
|
|
4432 return len;
|
|
|
4433 }
|
|
|
4434 }
|
|
|
4435 return 0;
|
|
|
4436 }
|
|
|
4437
|
|
|
4438 /*
|
|
|
4439 * Consume a Prolog atom.
|
|
|
4440 * Return the number of bytes consumed, or -1 if there was an error.
|
|
|
4441 *
|
|
|
4442 * A prolog atom, in this context, could be one of:
|
|
|
4443 * - An alphanumeric sequence, starting with a lower case letter.
|
|
|
4444 * - A quoted arbitrary string. Single quotes can escape themselves.
|
|
|
4445 * Backslash quotes everything.
|
|
|
4446 */
|
|
|
4447 int
|
|
|
4448 prolog_atom (s, pos)
|
|
|
4449 char *s;
|
|
|
4450 int pos;
|
|
|
4451 {
|
|
|
4452 int origpos;
|
|
|
4453
|
|
|
4454 origpos = pos;
|
|
|
4455
|
|
|
4456 if (islower(s[pos]) || (s[pos] == '_'))
|
|
|
4457 {
|
|
|
4458 /* The atom is unquoted. */
|
|
|
4459 pos++;
|
|
|
4460 while (isalnum(s[pos]) || (s[pos] == '_'))
|
|
|
4461 {
|
|
|
4462 pos++;
|
|
|
4463 }
|
|
|
4464 return pos - origpos;
|
|
|
4465 }
|
|
|
4466 else if (s[pos] == '\'')
|
|
|
4467 {
|
|
|
4468 pos++;
|
|
|
4469
|
|
|
4470 while (1)
|
|
|
4471 {
|
|
|
4472 if (s[pos] == '\'')
|
|
|
4473 {
|
|
|
4474 pos++;
|
|
|
4475 if (s[pos] != '\'')
|
|
|
4476 break;
|
|
|
4477 pos++; /* A double quote */
|
|
|
4478 }
|
|
|
4479 else if (s[pos] == '\0')
|
|
|
4480 /* Multiline quoted atoms are ignored. */
|
|
|
4481 return -1;
|
|
|
4482 else if (s[pos] == '\\')
|
|
|
4483 {
|
|
|
4484 if (s[pos+1] == '\0')
|
|
|
4485 return -1;
|
|
|
4486 pos += 2;
|
|
|
4487 }
|
|
|
4488 else
|
|
|
4489 pos++;
|
|
|
4490 }
|
|
|
4491 return pos - origpos;
|
|
|
4492 }
|
|
|
4493 else
|
|
|
4494 return -1;
|
|
|
4495 }
|
|
|
4496
|
|
|
4497 /*
|
|
|
4498 * Support for Erlang -- Anders Lindgren, Feb 1996.
|
|
|
4499 *
|
|
|
4500 * Generates tags for functions, defines, and records.
|
|
|
4501 *
|
|
|
4502 * Assumes that Erlang functions start at column 0.
|
|
|
4503 */
|
|
|
4504 int erlang_func PP ((char *s, char *last));
|
|
|
4505 void erlang_attribute PP ((char *s));
|
|
|
4506 int erlang_atom PP ((char *s, int pos));
|
|
|
4507
|
|
|
4508 void
|
|
|
4509 Erlang_functions (inf)
|
|
|
4510 FILE *inf;
|
|
|
4511 {
|
|
|
4512 char *cp, *last;
|
|
|
4513 int len;
|
|
|
4514 int allocated;
|
|
|
4515
|
|
|
4516 allocated = 0;
|
|
|
4517 len = 0;
|
|
|
4518 last = NULL;
|
|
|
4519
|
|
|
4520 LOOP_ON_INPUT_LINES (inf, lb, cp)
|
|
|
4521 {
|
|
|
4522 if (cp[0] == '\0') /* Empty line */
|
|
|
4523 continue;
|
|
|
4524 else if (isspace (cp[0])) /* Not function nor attribute */
|
|
|
4525 continue;
|
|
|
4526 else if (cp[0] == '%') /* comment */
|
|
|
4527 continue;
|
|
|
4528 else if (cp[0] == '"') /* Sometimes, strings start in column one */
|
|
|
4529 continue;
|
|
|
4530 else if (cp[0] == '-') /* attribute, e.g. "-define" */
|
|
|
4531 {
|
|
|
4532 erlang_attribute (cp);
|
|
|
4533 last = NULL;
|
|
|
4534 }
|
|
|
4535 else if ((len = erlang_func (cp, last)) > 0)
|
|
|
4536 {
|
|
|
4537 /*
|
|
|
4538 * Function. Store the function name so that we only
|
|
|
4539 * generates a tag for the first clause.
|
|
|
4540 */
|
|
|
4541 if (last == NULL)
|
|
|
4542 last = xnew (len + 1, char);
|
|
|
4543 else if (len + 1 > allocated)
|
|
|
4544 last = xrnew (last, len + 1, char);
|
|
|
4545 allocated = len + 1;
|
|
|
4546 strncpy (last, cp, len);
|
|
|
4547 last[len] = '\0';
|
|
|
4548 }
|
|
|
4549 }
|
|
|
4550 }
|
|
|
4551
|
|
|
4552
|
|
|
4553 /*
|
|
|
4554 * A function definition is added if it matches:
|
|
|
4555 * <beginning of line><Erlang Atom><whitespace>(
|
|
|
4556 *
|
|
|
4557 * It is added to the tags database if it doesn't match the
|
|
|
4558 * name of the previous clause header.
|
|
|
4559 *
|
|
|
4560 * Return the size of the name of the function, or 0 if no function
|
|
|
4561 * was found.
|
|
|
4562 */
|
|
|
4563 int
|
|
|
4564 erlang_func (s, last)
|
|
|
4565 char *s;
|
|
|
4566 char *last; /* Name of last clause. */
|
|
|
4567 {
|
|
|
4568 int pos;
|
|
|
4569 int len;
|
|
|
4570
|
|
|
4571 pos = erlang_atom (s, 0);
|
|
|
4572 if (pos < 1)
|
|
|
4573 return 0;
|
|
|
4574
|
|
|
4575 len = pos;
|
|
|
4576 pos = skip_spaces (s + pos) - s;
|
|
|
4577
|
|
|
4578 /* Save only the first clause. */
|
|
|
4579 if (s[pos++] == '('
|
|
|
4580 && (last == NULL
|
|
|
4581 || len != strlen (last)
|
|
|
4582 || !strneq (s, last, len)))
|
|
|
4583 {
|
|
|
4584 pfnote ((CTAGS) ? savenstr (s, len) : NULL, TRUE,
|
|
|
4585 s, pos, lineno, linecharno);
|
|
|
4586 return len;
|
|
|
4587 }
|
|
|
4588
|
|
|
4589 return 0;
|
|
|
4590 }
|
|
|
4591
|
|
|
4592
|
|
|
4593 /*
|
|
|
4594 * Handle attributes. Currently, tags are generated for defines
|
|
|
4595 * and records.
|
|
|
4596 *
|
|
|
4597 * They are on the form:
|
|
|
4598 * -define(foo, bar).
|
|
|
4599 * -define(Foo(M, N), M+N).
|
|
|
4600 * -record(graph, {vtab = notable, cyclic = true}).
|
|
|
4601 */
|
|
|
4602 void
|
|
|
4603 erlang_attribute (s)
|
|
|
4604 char *s;
|
|
|
4605 {
|
|
|
4606 int pos;
|
|
|
4607 int len;
|
|
|
4608
|
|
|
4609 if (strneq (s, "-define", 7) || strneq (s, "-record", 7))
|
|
|
4610 {
|
|
|
4611 pos = skip_spaces (s + 7) - s;
|
|
|
4612 if (s[pos++] == '(')
|
|
|
4613 {
|
|
|
4614 pos = skip_spaces (s + pos) - s;
|
|
|
4615 len = erlang_atom (s, pos);
|
|
|
4616 if (len != 0)
|
|
|
4617 pfnote ((CTAGS) ? savenstr (& s[pos], len) : NULL, TRUE,
|
|
|
4618 s, pos + len, lineno, linecharno);
|
|
|
4619 }
|
|
|
4620 }
|
|
|
4621 return;
|
|
|
4622 }
|
|
|
4623
|
|
|
4624
|
|
|
4625 /*
|
|
|
4626 * Consume an Erlang atom (or variable).
|
|
|
4627 * Return the number of bytes consumed, or -1 if there was an error.
|
|
|
4628 */
|
|
|
4629 int
|
|
|
4630 erlang_atom (s, pos)
|
|
|
4631 char *s;
|
|
|
4632 int pos;
|
|
|
4633 {
|
|
|
4634 int origpos;
|
|
|
4635
|
|
|
4636 origpos = pos;
|
|
|
4637
|
|
|
4638 if (isalpha (s[pos]) || s[pos] == '_')
|
|
|
4639 {
|
|
|
4640 /* The atom is unquoted. */
|
|
|
4641 pos++;
|
|
|
4642 while (isalnum (s[pos]) || s[pos] == '_')
|
|
|
4643 pos++;
|
|
|
4644 return pos - origpos;
|
|
|
4645 }
|
|
|
4646 else if (s[pos] == '\'')
|
|
|
4647 {
|
|
|
4648 pos++;
|
|
|
4649
|
|
|
4650 while (1)
|
|
|
4651 {
|
|
|
4652 if (s[pos] == '\'')
|
|
|
4653 {
|
|
|
4654 pos++;
|
|
|
4655 break;
|
|
|
4656 }
|
|
|
4657 else if (s[pos] == '\0')
|
|
|
4658 /* Multiline quoted atoms are ignored. */
|
|
|
4659 return -1;
|
|
|
4660 else if (s[pos] == '\\')
|
|
|
4661 {
|
|
|
4662 if (s[pos+1] == '\0')
|
|
|
4663 return -1;
|
|
|
4664 pos += 2;
|
|
|
4665 }
|
|
|
4666 else
|
|
|
4667 pos++;
|
|
|
4668 }
|
|
|
4669 return pos - origpos;
|
|
|
4670 }
|
|
|
4671 else
|
|
|
4672 return -1;
|
|
|
4673 }
|
|
|
4674
|
|
|
4675 #ifdef ETAGS_REGEXPS
|
|
|
4676
|
|
|
4677 /* Take a string like "/blah/" and turn it into "blah", making sure
|
|
|
4678 that the first and last characters are the same, and handling
|
|
|
4679 quoted separator characters. Actually, stops on the occurrence of
|
|
|
4680 an unquoted separator. Also turns "\t" into a Tab character.
|
|
|
4681 Returns pointer to terminating separator. Works in place. Null
|
|
|
4682 terminates name string. */
|
|
|
4683 char * scan_separators PP ((char *name));
|
|
|
4684 char *
|
|
|
4685 scan_separators (name)
|
|
|
4686 char *name;
|
|
|
4687 {
|
|
|
4688 char sep = name[0];
|
|
|
4689 char *copyto = name;
|
|
|
4690 bool quoted = FALSE;
|
|
|
4691
|
|
|
4692 for (++name; *name != '\0'; ++name)
|
|
|
4693 {
|
|
|
4694 if (quoted)
|
|
|
4695 {
|
|
|
4696 if (*name == 't')
|
|
|
4697 *copyto++ = '\t';
|
|
|
4698 else if (*name == sep)
|
|
|
4699 *copyto++ = sep;
|
|
|
4700 else
|
|
|
4701 {
|
|
|
4702 /* Something else is quoted, so preserve the quote. */
|
|
|
4703 *copyto++ = '\\';
|
|
|
4704 *copyto++ = *name;
|
|
|
4705 }
|
|
|
4706 quoted = FALSE;
|
|
|
4707 }
|
|
|
4708 else if (*name == '\\')
|
|
|
4709 quoted = TRUE;
|
|
|
4710 else if (*name == sep)
|
|
|
4711 break;
|
|
|
4712 else
|
|
|
4713 *copyto++ = *name;
|
|
|
4714 }
|
|
|
4715
|
|
|
4716 /* Terminate copied string. */
|
|
|
4717 *copyto = '\0';
|
|
|
4718 return name;
|
|
|
4719 }
|
|
|
4720
|
|
|
4721 /* Look at the argument of --regex or --no-regex and do the right
|
|
|
4722 thing. Same for each line of a regexp file. */
|
|
|
4723 void
|
|
|
4724 analyse_regex (regex_arg)
|
|
|
4725 char *regex_arg;
|
|
|
4726 {
|
|
|
4727 if (regex_arg == NULL)
|
|
|
4728 free_patterns (); /* --no-regex: remove existing regexps */
|
|
|
4729
|
|
|
4730 /* A real --regexp option or a line in a regexp file. */
|
|
|
4731 switch (regex_arg[0])
|
|
|
4732 {
|
|
|
4733 /* Comments in regexp file or null arg to --regex. */
|
|
|
4734 case '\0':
|
|
|
4735 case ' ':
|
|
|
4736 case '\t':
|
|
|
4737 break;
|
|
|
4738
|
|
|
4739 /* Read a regex file. This is recursive and may result in a
|
|
|
4740 loop, which will stop when the file descriptors are exhausted. */
|
|
|
4741 case '@':
|
|
|
4742 {
|
|
|
4743 FILE *regexfp;
|
|
|
4744 linebuffer regexbuf;
|
|
|
4745 char *regexfile = regex_arg + 1;
|
|
|
4746
|
|
|
4747 /* regexfile is a file containing regexps, one per line. */
|
|
|
4748 regexfp = fopen (regexfile, "r");
|
|
|
4749 if (regexfp == NULL)
|
|
|
4750 {
|
|
|
4751 pfatal (regexfile);
|
|
|
4752 return;
|
|
|
4753 }
|
|
|
4754 initbuffer (®exbuf);
|
|
|
4755 while (readline_internal (®exbuf, regexfp) > 0)
|
|
|
4756 analyse_regex (regexbuf.buffer);
|
|
|
4757 free (regexbuf.buffer);
|
|
|
4758 fclose (regexfp);
|
|
|
4759 }
|
|
|
4760 break;
|
|
|
4761
|
|
|
4762 /* Regexp to be used for a specific language only. */
|
|
|
4763 case '{':
|
|
|
4764 {
|
|
|
4765 language *lang;
|
|
|
4766 char *lang_name = regex_arg + 1;
|
|
|
4767 char *cp;
|
|
|
4768
|
|
|
4769 for (cp = lang_name; *cp != '}'; cp++)
|
|
|
4770 if (*cp == '\0')
|
|
|
4771 {
|
|
|
4772 error ("unterminated language name in regex: %s", regex_arg);
|
|
|
4773 return;
|
|
|
4774 }
|
|
|
4775 *cp = '\0';
|
|
|
4776 lang = get_language_from_name (lang_name);
|
|
|
4777 if (lang == NULL)
|
|
|
4778 return;
|
|
|
4779 add_regex (cp + 1, lang);
|
|
|
4780 }
|
|
|
4781 break;
|
|
|
4782
|
|
|
4783 /* Regexp to be used for any language. */
|
|
|
4784 default:
|
|
|
4785 add_regex (regex_arg, NULL);
|
|
|
4786 break;
|
|
|
4787 }
|
|
|
4788 }
|
|
|
4789
|
|
|
4790 /* Turn a name, which is an ed-style (but Emacs syntax) regular
|
|
|
4791 expression, into a real regular expression by compiling it. */
|
|
|
4792 void
|
|
|
4793 add_regex (regexp_pattern, lang)
|
|
|
4794 char *regexp_pattern;
|
|
|
4795 language *lang;
|
|
|
4796 {
|
|
|
4797 char *name;
|
|
|
4798 const char *err;
|
|
|
4799 struct re_pattern_buffer *patbuf;
|
|
|
4800 pattern *pp;
|
|
|
4801
|
|
|
4802
|
|
|
4803 if (regexp_pattern[strlen(regexp_pattern)-1] != regexp_pattern[0])
|
|
|
4804 {
|
|
|
4805 error ("%s: unterminated regexp", regexp_pattern);
|
|
|
4806 return;
|
|
|
4807 }
|
|
|
4808 name = scan_separators (regexp_pattern);
|
|
|
4809 if (regexp_pattern[0] == '\0')
|
|
|
4810 {
|
|
|
4811 error ("null regexp", (char *)NULL);
|
|
|
4812 return;
|
|
|
4813 }
|
|
|
4814 (void) scan_separators (name);
|
|
|
4815
|
|
|
4816 patbuf = xnew (1, struct re_pattern_buffer);
|
|
|
4817 patbuf->translate = NULL;
|
|
|
4818 patbuf->fastmap = NULL;
|
|
|
4819 patbuf->buffer = NULL;
|
|
|
4820 patbuf->allocated = 0;
|
|
|
4821
|
|
|
4822 err = re_compile_pattern (regexp_pattern, strlen (regexp_pattern), patbuf);
|
|
|
4823 if (err != NULL)
|
|
|
4824 {
|
|
|
4825 error ("%s while compiling pattern", err);
|
|
|
4826 return;
|
|
|
4827 }
|
|
|
4828
|
|
|
4829 pp = p_head;
|
|
|
4830 p_head = xnew (1, pattern);
|
|
|
4831 p_head->regex = savestr (regexp_pattern);
|
|
|
4832 p_head->p_next = pp;
|
|
|
4833 p_head->language = lang;
|
|
|
4834 p_head->pattern = patbuf;
|
|
|
4835 p_head->name_pattern = savestr (name);
|
|
|
4836 p_head->error_signaled = FALSE;
|
|
|
4837 }
|
|
|
4838
|
|
|
4839 /*
|
|
|
4840 * Do the substitutions indicated by the regular expression and
|
|
|
4841 * arguments.
|
|
|
4842 */
|
|
|
4843 char * substitute PP ((char *in, char *out, struct re_registers *regs));
|
|
|
4844 char *
|
|
|
4845 substitute (in, out, regs)
|
|
|
4846 char *in, *out;
|
|
|
4847 struct re_registers *regs;
|
|
|
4848 {
|
|
|
4849 char *result, *t;
|
|
|
4850 int size, dig, diglen;
|
|
|
4851
|
|
|
4852 result = NULL;
|
|
|
4853 size = strlen (out);
|
|
|
4854
|
|
|
4855 /* Pass 1: figure out how much to allocate by finding all \N strings. */
|
|
|
4856 if (out[size - 1] == '\\')
|
|
|
4857 fatal ("pattern error in \"%s\"", out);
|
|
|
4858 for (t = etags_strchr (out, '\\');
|
|
|
4859 t != NULL;
|
|
|
4860 t = etags_strchr (t + 2, '\\'))
|
|
|
4861 if (isdigit (t[1]))
|
|
|
4862 {
|
|
|
4863 dig = t[1] - '0';
|
|
|
4864 diglen = regs->end[dig] - regs->start[dig];
|
|
|
4865 size += diglen - 2;
|
|
|
4866 }
|
|
|
4867 else
|
|
|
4868 size -= 1;
|
|
|
4869
|
|
|
4870 /* Allocate space and do the substitutions. */
|
|
|
4871 result = xnew (size + 1, char);
|
|
|
4872
|
|
|
4873 for (t = result; *out != '\0'; out++)
|
|
|
4874 if (*out == '\\' && isdigit (*++out))
|
|
|
4875 {
|
|
|
4876 /* Using "dig2" satisfies my debugger. Bleah. */
|
|
|
4877 dig = *out - '0';
|
|
|
4878 diglen = regs->end[dig] - regs->start[dig];
|
|
|
4879 strncpy (t, in + regs->start[dig], diglen);
|
|
|
4880 t += diglen;
|
|
|
4881 }
|
|
|
4882 else
|
|
|
4883 *t++ = *out;
|
|
|
4884 *t = '\0';
|
|
|
4885
|
|
|
4886 if (DEBUG && (t > result + size || t - result != strlen (result)))
|
|
|
4887 abort ();
|
|
|
4888
|
|
|
4889 return result;
|
|
|
4890 }
|
|
|
4891
|
|
|
4892 /* Deallocate all patterns. */
|
|
|
4893 void
|
|
|
4894 free_patterns ()
|
|
|
4895 {
|
|
|
4896 pattern *pp;
|
|
|
4897 while (p_head != NULL)
|
|
|
4898 {
|
|
|
4899 pp = p_head->p_next;
|
|
|
4900 free (p_head->regex);
|
|
|
4901 free (p_head->name_pattern);
|
|
|
4902 free (p_head);
|
|
|
4903 p_head = pp;
|
|
|
4904 }
|
|
|
4905 return;
|
|
|
4906 }
|
|
|
4907
|
|
|
4908 #endif /* ETAGS_REGEXPS */
|
|
|
4909 /* Initialize a linebuffer for use */
|
|
|
4910 void
|
|
|
4911 initbuffer (lbp)
|
|
|
4912 linebuffer *lbp;
|
|
|
4913 {
|
|
|
4914 lbp->size = 200;
|
|
|
4915 lbp->buffer = xnew (200, char);
|
|
|
4916 }
|
|
|
4917
|
|
|
4918 /*
|
|
|
4919 * Read a line of text from `stream' into `lbp', excluding the
|
|
|
4920 * newline or CR-NL, if any. Return the number of characters read from
|
|
|
4921 * `stream', which is the length of the line including the newline.
|
|
|
4922 *
|
|
|
4923 * On DOS or Windows we do not count the CR character, if any, before the
|
|
|
4924 * NL, in the returned length; this mirrors the behavior of emacs on those
|
|
|
4925 * platforms (for text files, it translates CR-NL to NL as it reads in the
|
|
|
4926 * file).
|
|
|
4927 */
|
|
|
4928 long
|
|
|
4929 readline_internal (lbp, stream)
|
|
|
4930 linebuffer *lbp;
|
|
|
4931 register FILE *stream;
|
|
|
4932 {
|
|
|
4933 char *buffer = lbp->buffer;
|
|
|
4934 register char *p = lbp->buffer;
|
|
|
4935 register char *pend;
|
|
|
4936 int chars_deleted;
|
|
|
4937
|
|
|
4938 pend = p + lbp->size; /* Separate to avoid 386/IX compiler bug. */
|
|
|
4939
|
|
|
4940 while (1)
|
|
|
4941 {
|
|
|
4942 register int c = getc (stream);
|
|
|
4943 if (p == pend)
|
|
|
4944 {
|
|
|
4945 /* We're at the end of linebuffer: expand it. */
|
|
|
4946 lbp->size *= 2;
|
|
|
4947 buffer = xrnew (buffer, lbp->size, char);
|
|
|
4948 p += buffer - lbp->buffer;
|
|
|
4949 pend = buffer + lbp->size;
|
|
|
4950 lbp->buffer = buffer;
|
|
|
4951 }
|
|
|
4952 if (c == EOF)
|
|
|
4953 {
|
|
|
4954 *p = '\0';
|
|
|
4955 chars_deleted = 0;
|
|
|
4956 break;
|
|
|
4957 }
|
|
|
4958 if (c == '\n')
|
|
|
4959 {
|
|
|
4960 if (p > buffer && p[-1] == '\r')
|
|
|
4961 {
|
|
|
4962 p -= 1;
|
|
|
4963 #ifdef DOS_NT
|
|
|
4964 /* Assume CRLF->LF translation will be performed by Emacs
|
|
|
4965 when loading this file, so CRs won't appear in the buffer.
|
|
|
4966 It would be cleaner to compensate within Emacs;
|
|
|
4967 however, Emacs does not know how many CRs were deleted
|
|
|
4968 before any given point in the file. */
|
|
|
4969 chars_deleted = 1;
|
|
|
4970 #else
|
|
|
4971 chars_deleted = 2;
|
|
|
4972 #endif
|
|
|
4973 }
|
|
|
4974 else
|
|
|
4975 {
|
|
|
4976 chars_deleted = 1;
|
|
|
4977 }
|
|
|
4978 *p = '\0';
|
|
|
4979 break;
|
|
|
4980 }
|
|
|
4981 *p++ = c;
|
|
|
4982 }
|
|
|
4983 lbp->len = p - buffer;
|
|
|
4984
|
|
|
4985 return lbp->len + chars_deleted;
|
|
|
4986 }
|
|
|
4987
|
|
|
4988 /*
|
|
|
4989 * Like readline_internal, above, but in addition try to match the
|
|
|
4990 * input line against relevant regular expressions.
|
|
|
4991 */
|
|
|
4992 long
|
|
|
4993 readline (lbp, stream)
|
|
|
4994 linebuffer *lbp;
|
|
|
4995 FILE *stream;
|
|
|
4996 {
|
|
|
4997 /* Read new line. */
|
|
|
4998 long result = readline_internal (lbp, stream);
|
|
|
4999 #ifdef ETAGS_REGEXPS
|
|
|
5000 int match;
|
|
|
5001 pattern *pp;
|
|
|
5002
|
|
|
5003 /* Match against relevant patterns. */
|
|
|
5004 if (lbp->len > 0)
|
|
|
5005 for (pp = p_head; pp != NULL; pp = pp->p_next)
|
|
|
5006 {
|
|
|
5007 /* Only use generic regexps or those for the current language. */
|
|
|
5008 if (pp->language != NULL && pp->language != curlang)
|
|
|
5009 continue;
|
|
|
5010
|
|
|
5011 match = re_match (pp->pattern, lbp->buffer, lbp->len, 0, &pp->regs);
|
|
|
5012 switch (match)
|
|
|
5013 {
|
|
|
5014 case -2:
|
|
|
5015 /* Some error. */
|
|
|
5016 if (!pp->error_signaled)
|
|
|
5017 {
|
|
|
5018 error ("error while matching \"%s\"", pp->regex);
|
|
|
5019 pp->error_signaled = TRUE;
|
|
|
5020 }
|
|
|
5021 break;
|
|
|
5022 case -1:
|
|
|
5023 /* No match. */
|
|
|
5024 break;
|
|
|
5025 default:
|
|
|
5026 /* Match occurred. Construct a tag. */
|
|
|
5027 if (pp->name_pattern[0] != '\0')
|
|
|
5028 {
|
|
|
5029 /* Make a named tag. */
|
|
|
5030 char *name = substitute (lbp->buffer,
|
|
|
5031 pp->name_pattern, &pp->regs);
|
|
|
5032 if (name != NULL)
|
|
|
5033 pfnote (name, TRUE, lbp->buffer, match, lineno, linecharno);
|
|
|
5034 }
|
|
|
5035 else
|
|
|
5036 {
|
|
|
5037 /* Make an unnamed tag. */
|
|
|
5038 pfnote ((char *)NULL, TRUE,
|
|
|
5039 lbp->buffer, match, lineno, linecharno);
|
|
|
5040 }
|
|
|
5041 break;
|
|
|
5042 }
|
|
|
5043 }
|
|
|
5044 #endif /* ETAGS_REGEXPS */
|
|
|
5045
|
|
|
5046 return result;
|
|
|
5047 }
|
|
|
5048
|
|
|
5049 /*
|
|
|
5050 * Return a pointer to a space of size strlen(cp)+1 allocated
|
|
|
5051 * with xnew where the string CP has been copied.
|
|
|
5052 */
|
|
|
5053 char *
|
|
|
5054 savestr (cp)
|
|
|
5055 char *cp;
|
|
|
5056 {
|
|
|
5057 return savenstr (cp, strlen (cp));
|
|
|
5058 }
|
|
|
5059
|
|
|
5060 /*
|
|
|
5061 * Return a pointer to a space of size LEN+1 allocated with xnew where
|
|
|
5062 * the string CP has been copied for at most the first LEN characters.
|
|
|
5063 */
|
|
|
5064 char *
|
|
|
5065 savenstr (cp, len)
|
|
|
5066 char *cp;
|
|
|
5067 int len;
|
|
|
5068 {
|
|
|
5069 register char *dp;
|
|
|
5070
|
|
|
5071 dp = xnew (len + 1, char);
|
|
|
5072 strncpy (dp, cp, len);
|
|
|
5073 dp[len] = '\0';
|
|
|
5074 return dp;
|
|
|
5075 }
|
|
|
5076
|
|
|
5077 /*
|
|
|
5078 * Return the ptr in sp at which the character c last
|
|
|
5079 * appears; NULL if not found
|
|
|
5080 *
|
|
|
5081 * Identical to System V strrchr, included for portability.
|
|
|
5082 */
|
|
|
5083 char *
|
|
|
5084 etags_strrchr (sp, c)
|
|
|
5085 register char *sp;
|
|
|
5086 register int c;
|
|
|
5087 {
|
|
|
5088 register char *r;
|
|
|
5089
|
|
|
5090 r = NULL;
|
|
|
5091 do
|
|
|
5092 {
|
|
|
5093 if (*sp == c)
|
|
|
5094 r = sp;
|
|
|
5095 } while (*sp++);
|
|
|
5096 return r;
|
|
|
5097 }
|
|
|
5098
|
|
|
5099
|
|
|
5100 /*
|
|
|
5101 * Return the ptr in sp at which the character c first
|
|
|
5102 * appears; NULL if not found
|
|
|
5103 *
|
|
|
5104 * Identical to System V strchr, included for portability.
|
|
|
5105 */
|
|
|
5106 char *
|
|
|
5107 etags_strchr (sp, c)
|
|
|
5108 register char *sp;
|
|
|
5109 register int c;
|
|
|
5110 {
|
|
|
5111 do
|
|
|
5112 {
|
|
|
5113 if (*sp == c)
|
|
|
5114 return sp;
|
|
|
5115 } while (*sp++);
|
|
|
5116 return NULL;
|
|
|
5117 }
|
|
|
5118
|
|
|
5119 /* Skip spaces, return new pointer. */
|
|
|
5120 char *
|
|
|
5121 skip_spaces (cp)
|
|
|
5122 char *cp;
|
|
|
5123 {
|
|
|
5124 while (isspace (*cp)) /* isspace('\0')==FALSE */
|
|
|
5125 cp++;
|
|
|
5126 return cp;
|
|
|
5127 }
|
|
|
5128
|
|
|
5129 /* Skip non spaces, return new pointer. */
|
|
|
5130 char *
|
|
|
5131 skip_non_spaces (cp)
|
|
|
5132 char *cp;
|
|
|
5133 {
|
|
|
5134 while (!iswhite (*cp)) /* iswhite('\0')==TRUE */
|
|
|
5135 cp++;
|
|
|
5136 return cp;
|
|
|
5137 }
|
|
|
5138
|
|
|
5139 /* Print error message and exit. */
|
|
|
5140 void
|
|
|
5141 fatal (s1, s2)
|
|
|
5142 char *s1, *s2;
|
|
|
5143 {
|
|
|
5144 error (s1, s2);
|
|
|
5145 exit (BAD);
|
|
|
5146 }
|
|
|
5147
|
|
|
5148 void
|
|
|
5149 pfatal (s1)
|
|
|
5150 char *s1;
|
|
|
5151 {
|
|
|
5152 perror (s1);
|
|
|
5153 exit (BAD);
|
|
|
5154 }
|
|
|
5155
|
|
|
5156 void
|
|
|
5157 suggest_asking_for_help ()
|
|
|
5158 {
|
|
|
5159 fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
|
|
|
5160 progname,
|
|
|
5161 #ifdef LONG_OPTIONS
|
|
|
5162 "--help"
|
|
|
5163 #else
|
|
|
5164 "-h"
|
|
|
5165 #endif
|
|
|
5166 );
|
|
|
5167 exit (BAD);
|
|
|
5168 }
|
|
|
5169
|
|
|
5170 /* Print error message. `s1' is printf control string, `s2' is arg for it. */
|
|
|
5171 void
|
|
|
5172 error (s1, s2)
|
|
|
5173 const char *s1, *s2;
|
|
|
5174 {
|
|
|
5175 fprintf (stderr, "%s: ", progname);
|
|
|
5176 fprintf (stderr, s1, s2);
|
|
|
5177 fprintf (stderr, "\n");
|
|
|
5178 }
|
|
|
5179
|
|
|
5180 /* Return a newly-allocated string whose contents
|
|
|
5181 concatenate those of s1, s2, s3. */
|
|
|
5182 char *
|
|
|
5183 concat (s1, s2, s3)
|
|
|
5184 char *s1, *s2, *s3;
|
|
|
5185 {
|
|
|
5186 int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3);
|
|
|
5187 char *result = xnew (len1 + len2 + len3 + 1, char);
|
|
|
5188
|
|
|
5189 strcpy (result, s1);
|
|
|
5190 strcpy (result + len1, s2);
|
|
|
5191 strcpy (result + len1 + len2, s3);
|
|
|
5192 result[len1 + len2 + len3] = '\0';
|
|
|
5193
|
|
|
5194 return result;
|
|
|
5195 }
|
|
|
5196
|
|
|
5197 /* Does the same work as the system V getcwd, but does not need to
|
|
|
5198 guess the buffer size in advance. */
|
|
|
5199 char *
|
|
|
5200 etags_getcwd ()
|
|
|
5201 {
|
|
|
5202 #ifdef HAVE_GETCWD
|
|
|
5203 int bufsize = 200;
|
|
|
5204 char *path = xnew (bufsize, char);
|
|
|
5205
|
|
|
5206 while (getcwd (path, bufsize) == NULL)
|
|
|
5207 {
|
|
|
5208 if (errno != ERANGE)
|
|
|
5209 pfatal ("getcwd");
|
|
|
5210 bufsize *= 2;
|
|
|
5211 free (path);
|
|
|
5212 path = xnew (bufsize, char);
|
|
|
5213 }
|
|
|
5214
|
|
|
5215 canonicalize_filename (path);
|
|
|
5216 return path;
|
|
|
5217
|
|
|
5218 #else /* not HAVE_GETCWD */
|
|
|
5219 #ifdef MSDOS
|
|
|
5220 char *p, path[MAXPATHLEN + 1]; /* Fixed size is safe on MSDOS. */
|
|
|
5221
|
|
|
5222 getwd (path);
|
|
|
5223
|
|
|
5224 for (p = path; *p != '\0'; p++)
|
|
|
5225 if (*p == '\\')
|
|
|
5226 *p = '/';
|
|
|
5227 else
|
|
|
5228 *p = lowcase (*p);
|
|
|
5229
|
|
|
5230 return strdup (path);
|
|
|
5231 #else /* not MSDOS */
|
|
|
5232 linebuffer path;
|
|
|
5233 FILE *pipe;
|
|
|
5234
|
|
|
5235 initbuffer (&path);
|
|
|
5236 pipe = (FILE *) popen ("pwd 2>/dev/null", "r");
|
|
|
5237 if (pipe == NULL || readline_internal (&path, pipe) == 0)
|
|
|
5238 pfatal ("pwd");
|
|
|
5239 pclose (pipe);
|
|
|
5240
|
|
|
5241 return path.buffer;
|
|
|
5242 #endif /* not MSDOS */
|
|
|
5243 #endif /* not HAVE_GETCWD */
|
|
|
5244 }
|
|
|
5245
|
|
|
5246 /* Return a newly allocated string containing the file name of FILE
|
|
|
5247 relative to the absolute directory DIR (which should end with a slash). */
|
|
|
5248 char *
|
|
|
5249 relative_filename (file, dir)
|
|
|
5250 char *file, *dir;
|
|
|
5251 {
|
|
|
5252 char *fp, *dp, *afn, *res;
|
|
|
5253 int i;
|
|
|
5254
|
|
|
5255 /* Find the common root of file and dir (with a trailing slash). */
|
|
|
5256 afn = absolute_filename (file, cwd);
|
|
|
5257 fp = afn;
|
|
|
5258 dp = dir;
|
|
|
5259 while (*fp++ == *dp++)
|
|
|
5260 continue;
|
|
|
5261 fp--, dp--; /* back to the first differing char */
|
|
|
5262 do /* look at the equal chars until '/' */
|
|
|
5263 fp--, dp--;
|
|
|
5264 while (*fp != '/');
|
|
|
5265
|
|
|
5266 /* Build a sequence of "../" strings for the resulting relative file name. */
|
|
|
5267 i = 0;
|
|
|
5268 while ((dp = etags_strchr (dp + 1, '/')) != NULL)
|
|
|
5269 i += 1;
|
|
|
5270 res = xnew (3*i + strlen (fp + 1) + 1, char);
|
|
|
5271 res[0] = '\0';
|
|
|
5272 while (i-- > 0)
|
|
|
5273 strcat (res, "../");
|
|
|
5274
|
|
|
5275 /* Add the file name relative to the common root of file and dir. */
|
|
|
5276 strcat (res, fp + 1);
|
|
|
5277 free (afn);
|
|
|
5278
|
|
|
5279 return res;
|
|
|
5280 }
|
|
|
5281
|
|
|
5282 /* Return a newly allocated string containing the absolute file name
|
|
|
5283 of FILE given DIR (which should end with a slash). */
|
|
|
5284 char *
|
|
|
5285 absolute_filename (file, dir)
|
|
|
5286 char *file, *dir;
|
|
|
5287 {
|
|
|
5288 char *slashp, *cp, *res;
|
|
|
5289
|
|
|
5290 if (filename_is_absolute (file))
|
|
|
5291 res = savestr (file);
|
|
|
5292 #ifdef DOS_NT
|
|
|
5293 /* We don't support non-absolute file names with a drive
|
|
|
5294 letter, like `d:NAME' (it's too much hassle). */
|
|
|
5295 else if (file[1] == ':')
|
|
|
5296 fatal ("%s: relative file names with drive letters not supported", file);
|
|
|
5297 #endif
|
|
|
5298 else
|
|
|
5299 res = concat (dir, file, "");
|
|
|
5300
|
|
|
5301 /* Delete the "/dirname/.." and "/." substrings. */
|
|
|
5302 slashp = etags_strchr (res, '/');
|
|
|
5303 while (slashp != NULL && slashp[0] != '\0')
|
|
|
5304 {
|
|
|
5305 if (slashp[1] == '.')
|
|
|
5306 {
|
|
|
5307 if (slashp[2] == '.'
|
|
|
5308 && (slashp[3] == '/' || slashp[3] == '\0'))
|
|
|
5309 {
|
|
|
5310 cp = slashp;
|
|
|
5311 do
|
|
|
5312 cp--;
|
|
|
5313 while (cp >= res && !filename_is_absolute (cp));
|
|
|
5314 if (cp < res)
|
|
|
5315 cp = slashp; /* the absolute name begins with "/.." */
|
|
|
5316 #ifdef DOS_NT
|
|
|
5317 /* Under MSDOS and NT we get `d:/NAME' as absolute
|
|
|
5318 file name, so the luser could say `d:/../NAME'.
|
|
|
5319 We silently treat this as `d:/NAME'. */
|
|
|
5320 else if (cp[0] != '/')
|
|
|
5321 cp = slashp;
|
|
|
5322 #endif
|
|
|
5323 strcpy (cp, slashp + 3);
|
|
|
5324 slashp = cp;
|
|
|
5325 continue;
|
|
|
5326 }
|
|
|
5327 else if (slashp[2] == '/' || slashp[2] == '\0')
|
|
|
5328 {
|
|
|
5329 strcpy (slashp, slashp + 2);
|
|
|
5330 continue;
|
|
|
5331 }
|
|
|
5332 }
|
|
|
5333
|
|
|
5334 slashp = etags_strchr (slashp + 1, '/');
|
|
|
5335 }
|
|
|
5336
|
|
|
5337 if (res[0] == '\0')
|
|
|
5338 return savestr ("/");
|
|
|
5339 else
|
|
|
5340 return res;
|
|
|
5341 }
|
|
|
5342
|
|
|
5343 /* Return a newly allocated string containing the absolute
|
|
|
5344 file name of dir where FILE resides given DIR (which should
|
|
|
5345 end with a slash). */
|
|
|
5346 char *
|
|
|
5347 absolute_dirname (file, dir)
|
|
|
5348 char *file, *dir;
|
|
|
5349 {
|
|
|
5350 char *slashp, *res;
|
|
|
5351 char save;
|
|
|
5352
|
|
|
5353 canonicalize_filename (file);
|
|
|
5354 slashp = etags_strrchr (file, '/');
|
|
|
5355 if (slashp == NULL)
|
|
|
5356 return savestr (dir);
|
|
|
5357 save = slashp[1];
|
|
|
5358 slashp[1] = '\0';
|
|
|
5359 res = absolute_filename (file, dir);
|
|
|
5360 slashp[1] = save;
|
|
|
5361
|
|
|
5362 return res;
|
|
|
5363 }
|
|
|
5364
|
|
|
5365 /* Whether the argument string is an absolute file name. The argument
|
|
|
5366 string must have been canonicalized with canonicalize_filename. */
|
|
|
5367 bool
|
|
|
5368 filename_is_absolute (fn)
|
|
|
5369 char *fn;
|
|
|
5370 {
|
|
|
5371 return (fn[0] == '/'
|
|
|
5372 #ifdef DOS_NT
|
|
|
5373 || (isalpha(fn[0]) && fn[1] == ':' && fn[2] == '/')
|
|
|
5374 #endif
|
|
|
5375 );
|
|
|
5376 }
|
|
|
5377
|
|
|
5378 /* Translate backslashes into slashes. Works in place. */
|
|
|
5379 void
|
|
|
5380 canonicalize_filename (fn)
|
|
|
5381 register char *fn;
|
|
|
5382 {
|
|
|
5383 #ifdef DOS_NT
|
|
|
5384 for (; *fn != '\0'; fn++)
|
|
|
5385 if (*fn == '\\')
|
|
|
5386 *fn = '/';
|
|
|
5387 #else
|
|
|
5388 /* No action. */
|
|
|
5389 #endif
|
|
|
5390 }
|
|
|
5391
|
|
|
5392 /* Increase the size of a linebuffer. */
|
|
|
5393 void
|
|
|
5394 grow_linebuffer (lbp, toksize)
|
|
|
5395 linebuffer *lbp;
|
|
|
5396 int toksize;
|
|
|
5397 {
|
|
|
5398 while (lbp->size < toksize)
|
|
|
5399 lbp->size *= 2;
|
|
|
5400 lbp->buffer = xrnew (lbp->buffer, lbp->size, char);
|
|
|
5401 }
|
|
|
5402
|
|
|
5403 /* Like malloc but get fatal error if memory is exhausted. */
|
|
|
5404 long *
|
|
|
5405 xmalloc (size)
|
|
|
5406 unsigned int size;
|
|
|
5407 {
|
|
|
5408 long *result = (long *) malloc (size);
|
|
|
5409 if (result == NULL)
|
|
|
5410 fatal ("virtual memory exhausted", (char *)NULL);
|
|
|
5411 return result;
|
|
|
5412 }
|
|
|
5413
|
|
|
5414 long *
|
|
|
5415 xrealloc (ptr, size)
|
|
|
5416 char *ptr;
|
|
|
5417 unsigned int size;
|
|
|
5418 {
|
|
|
5419 long *result = (long *) realloc (ptr, size);
|
|
|
5420 if (result == NULL)
|
|
|
5421 fatal ("virtual memory exhausted", (char *)NULL);
|
|
|
5422 return result;
|
|
|
5423 }
|
