1 | /* Code for handling XREF output from GNU C++. |
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2 | Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
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3 | Contributed by Michael Tiemann (tiemann@cygnus.com) |
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4 | |
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5 | This file is part of GNU CC. |
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6 | |
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7 | GNU CC 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, or (at your option) |
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10 | any later version. |
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11 | |
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12 | GNU CC 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 GNU CC; see the file COPYING. If not, write to |
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19 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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20 | Boston, MA 02111-1307, USA. */ |
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21 | |
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22 | |
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23 | #include "config.h" |
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24 | #include "tree.h" |
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25 | #include <stdio.h> |
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26 | #include "cp-tree.h" |
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27 | #include "input.h" |
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28 | |
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29 | #include <ctype.h> |
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30 | |
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31 | extern char *getpwd (); |
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32 | |
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33 | extern char *index (); |
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34 | extern char *rindex (); |
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35 | |
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36 | /* The character(s) used to join a directory specification (obtained with |
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37 | getwd or equivalent) with a non-absolute file name. */ |
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38 | |
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39 | #ifndef FILE_NAME_JOINER |
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40 | #define FILE_NAME_JOINER "/" |
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41 | #endif |
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42 | |
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43 | /* Nonzero if NAME as a file name is absolute. */ |
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44 | #ifndef FILE_NAME_ABSOLUTE_P |
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45 | #define FILE_NAME_ABSOLUTE_P(NAME) (NAME[0] == '/') |
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46 | #endif |
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47 | |
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48 | /* For cross referencing. */ |
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49 | |
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50 | int flag_gnu_xref; |
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51 | |
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52 | /************************************************************************/ |
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53 | /* */ |
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54 | /* Common definitions */ |
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55 | /* */ |
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56 | /************************************************************************/ |
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57 | |
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58 | #ifndef TRUE |
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59 | #define TRUE 1 |
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60 | #endif |
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61 | #ifndef FALSE |
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62 | #define FALSE 0 |
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63 | #endif |
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64 | #ifndef NULL |
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65 | #define NULL 0 |
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66 | #endif |
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67 | |
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68 | #define PALLOC(typ) ((typ *) calloc(1,sizeof(typ))) |
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69 | |
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70 | |
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71 | /* Return a malloc'd copy of STR. */ |
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72 | #define SALLOC(str) \ |
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73 | ((char *) ((str) == NULL ? NULL \ |
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74 | : (char *) strcpy ((char *) malloc (strlen ((str)) + 1), (str)))) |
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75 | #define SFREE(str) (str != NULL && (free(str),0)) |
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76 | |
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77 | #define STREQL(s1,s2) (strcmp((s1),(s2)) == 0) |
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78 | #define STRNEQ(s1,s2) (strcmp((s1),(s2)) != 0) |
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79 | #define STRLSS(s1,s2) (strcmp((s1),(s2)) < 0) |
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80 | #define STRLEQ(s1,s2) (strcmp((s1),(s2)) <= 0) |
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81 | #define STRGTR(s1,s2) (strcmp((s1),(s2)) > 0) |
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82 | #define STRGEQ(s1,s2) (strcmp((s1),(s2)) >= 0) |
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83 | |
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84 | /************************************************************************/ |
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85 | /* */ |
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86 | /* Type definitions */ |
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87 | /* */ |
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88 | /************************************************************************/ |
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89 | |
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90 | |
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91 | typedef struct _XREF_FILE * XREF_FILE; |
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92 | typedef struct _XREF_SCOPE * XREF_SCOPE; |
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93 | |
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94 | typedef struct _XREF_FILE |
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95 | { |
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96 | char *name; |
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97 | char *outname; |
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98 | XREF_FILE next; |
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99 | } XREF_FILE_INFO; |
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100 | |
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101 | typedef struct _XREF_SCOPE |
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102 | { |
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103 | int gid; |
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104 | int lid; |
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105 | XREF_FILE file; |
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106 | int start; |
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107 | XREF_SCOPE outer; |
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108 | } XREF_SCOPE_INFO; |
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109 | |
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110 | /************************************************************************/ |
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111 | /* */ |
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112 | /* Local storage */ |
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113 | /* */ |
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114 | /************************************************************************/ |
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115 | |
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116 | static char doing_xref = 0; |
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117 | static FILE * xref_file = NULL; |
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118 | static char xref_name[1024]; |
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119 | static XREF_FILE all_files = NULL; |
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120 | static char * wd_name = NULL; |
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121 | static XREF_SCOPE cur_scope = NULL; |
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122 | static int scope_ctr = 0; |
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123 | static XREF_FILE last_file = NULL; |
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124 | static tree last_fndecl = NULL; |
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125 | |
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126 | /************************************************************************/ |
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127 | /* */ |
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128 | /* Forward definitions */ |
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129 | /* */ |
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130 | /************************************************************************/ |
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131 | |
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132 | extern void GNU_xref_begin(); |
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133 | extern void GNU_xref_end(); |
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134 | extern void GNU_xref_file(); |
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135 | extern void GNU_xref_start_scope(); |
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136 | extern void GNU_xref_end_scope(); |
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137 | extern void GNU_xref_ref(); |
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138 | extern void GNU_xref_decl(); |
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139 | extern void GNU_xref_call(); |
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140 | extern void GNU_xref_function(); |
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141 | extern void GNU_xref_assign(); |
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142 | extern void GNU_xref_hier(); |
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143 | extern void GNU_xref_member(); |
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144 | |
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145 | static void gen_assign(); |
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146 | static XREF_FILE find_file(); |
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147 | static char * filename(); |
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148 | static char * fctname(); |
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149 | static char * declname(); |
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150 | static void simplify_type(); |
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151 | static char * fixname(); |
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152 | static void open_xref_file(); |
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153 | |
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154 | extern char * type_as_string(); |
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155 | |
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156 | /* Start cross referencing. FILE is the name of the file we xref. */ |
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157 | |
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158 | void |
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159 | GNU_xref_begin (file) |
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160 | char *file; |
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161 | { |
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162 | doing_xref = 1; |
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163 | |
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164 | if (file != NULL && STRNEQ (file,"-")) |
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165 | { |
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166 | open_xref_file(file); |
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167 | GNU_xref_file(file); |
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168 | } |
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169 | } |
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170 | |
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171 | /* Finish cross-referencing. ERRCNT is the number of errors |
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172 | we encountered. */ |
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173 | |
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174 | void |
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175 | GNU_xref_end (ect) |
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176 | int ect; |
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177 | { |
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178 | XREF_FILE xf; |
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179 | |
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180 | if (!doing_xref) return; |
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181 | |
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182 | xf = find_file (input_filename); |
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183 | if (xf == NULL) return; |
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184 | |
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185 | while (cur_scope != NULL) |
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186 | GNU_xref_end_scope(cur_scope->gid,0,0,0,0); |
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187 | |
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188 | doing_xref = 0; |
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189 | |
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190 | if (xref_file == NULL) return; |
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191 | |
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192 | fclose (xref_file); |
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193 | |
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194 | xref_file = NULL; |
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195 | all_files = NULL; |
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196 | |
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197 | if (ect > 0) unlink (xref_name); |
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198 | } |
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199 | |
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200 | /* Write out xref for file named NAME. */ |
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201 | |
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202 | void |
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203 | GNU_xref_file (name) |
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204 | char *name; |
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205 | { |
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206 | XREF_FILE xf; |
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207 | |
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208 | if (!doing_xref || name == NULL) return; |
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209 | |
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210 | if (xref_file == NULL) |
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211 | { |
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212 | open_xref_file (name); |
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213 | if (!doing_xref) return; |
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214 | } |
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215 | |
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216 | if (all_files == NULL) |
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217 | fprintf(xref_file,"SCP * 0 0 0 0 RESET\n"); |
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218 | |
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219 | xf = find_file (name); |
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220 | if (xf != NULL) return; |
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221 | |
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222 | xf = PALLOC (XREF_FILE_INFO); |
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223 | xf->name = SALLOC (name); |
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224 | xf->next = all_files; |
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225 | all_files = xf; |
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226 | |
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227 | if (wd_name == NULL) |
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228 | wd_name = getpwd (); |
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229 | |
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230 | if (FILE_NAME_ABSOLUTE_P (name) || ! wd_name) |
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231 | xf->outname = xf->name; |
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232 | else |
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233 | { |
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234 | char *nmbuf |
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235 | = (char *) malloc (strlen (wd_name) + strlen (FILE_NAME_JOINER) |
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236 | + strlen (name) + 1); |
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237 | sprintf (nmbuf, "%s%s%s", wd_name, FILE_NAME_JOINER, name); |
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238 | name = nmbuf; |
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239 | xf->outname = nmbuf; |
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240 | } |
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241 | |
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242 | fprintf (xref_file, "FIL %s %s 0\n", name, wd_name); |
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243 | |
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244 | filename (xf); |
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245 | fctname (NULL); |
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246 | } |
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247 | |
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248 | /* Start a scope identified at level ID. */ |
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249 | |
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250 | void |
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251 | GNU_xref_start_scope (id) |
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252 | HOST_WIDE_INT id; |
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253 | { |
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254 | XREF_SCOPE xs; |
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255 | XREF_FILE xf; |
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256 | |
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257 | if (!doing_xref) return; |
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258 | xf = find_file (input_filename); |
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259 | |
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260 | xs = PALLOC (XREF_SCOPE_INFO); |
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261 | xs->file = xf; |
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262 | xs->start = lineno; |
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263 | if (xs->start <= 0) xs->start = 1; |
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264 | xs->gid = id; |
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265 | xs->lid = ++scope_ctr; |
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266 | xs->outer = cur_scope; |
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267 | cur_scope = xs; |
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268 | } |
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269 | |
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270 | /* Finish a scope at level ID. |
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271 | INID is ??? |
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272 | PRM is ??? |
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273 | KEEP is nonzero iff this scope is retained (nonzero if it's |
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274 | a compiler-generated invisible scope). |
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275 | TRNS is ??? */ |
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276 | |
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277 | void |
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278 | GNU_xref_end_scope (id,inid,prm,keep,trns) |
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279 | HOST_WIDE_INT id; |
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280 | HOST_WIDE_INT inid; |
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281 | int prm,keep,trns; |
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282 | { |
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283 | XREF_FILE xf; |
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284 | XREF_SCOPE xs,lxs,oxs; |
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285 | char *stype; |
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286 | |
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287 | if (!doing_xref) return; |
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288 | xf = find_file (input_filename); |
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289 | if (xf == NULL) return; |
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290 | |
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291 | lxs = NULL; |
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292 | for (xs = cur_scope; xs != NULL; xs = xs->outer) |
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293 | { |
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294 | if (xs->gid == id) break; |
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295 | lxs = xs; |
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296 | } |
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297 | if (xs == NULL) return; |
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298 | |
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299 | if (inid != 0) { |
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300 | for (oxs = cur_scope; oxs != NULL; oxs = oxs->outer) { |
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301 | if (oxs->gid == inid) break; |
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302 | } |
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303 | if (oxs == NULL) return; |
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304 | inid = oxs->lid; |
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305 | } |
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306 | |
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307 | if (prm == 2) stype = "SUE"; |
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308 | else if (prm != 0) stype = "ARGS"; |
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309 | else if (keep == 2 || inid != 0) stype = "INTERN"; |
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310 | else stype = "EXTERN"; |
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311 | |
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312 | fprintf (xref_file,"SCP %s %d %d %d %d %s\n", |
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313 | filename (xf), xs->start, lineno,xs->lid, inid, stype); |
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314 | |
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315 | if (lxs == NULL) cur_scope = xs->outer; |
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316 | else lxs->outer = xs->outer; |
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317 | |
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318 | free (xs); |
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319 | } |
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320 | |
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321 | /* Output a reference to NAME in FNDECL. */ |
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322 | |
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323 | void |
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324 | GNU_xref_ref (fndecl,name) |
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325 | tree fndecl; |
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326 | char *name; |
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327 | { |
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328 | XREF_FILE xf; |
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329 | |
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330 | if (!doing_xref) return; |
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331 | xf = find_file (input_filename); |
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332 | if (xf == NULL) return; |
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333 | |
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334 | fprintf (xref_file, "REF %s %d %s %s\n", |
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335 | filename (xf), lineno, fctname (fndecl), name); |
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336 | } |
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337 | |
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338 | /* Output a reference to DECL in FNDECL. */ |
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339 | |
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340 | void |
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341 | GNU_xref_decl (fndecl,decl) |
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342 | tree fndecl; |
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343 | tree decl; |
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344 | { |
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345 | XREF_FILE xf,xf1; |
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346 | char *cls; |
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347 | char *name; |
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348 | char buf[10240]; |
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349 | int uselin; |
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350 | |
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351 | if (!doing_xref) return; |
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352 | xf = find_file (input_filename); |
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353 | if (xf == NULL) return; |
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354 | |
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355 | uselin = FALSE; |
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356 | |
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357 | if (TREE_CODE (decl) == TYPE_DECL) cls = "TYPEDEF"; |
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358 | else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; |
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359 | else if (TREE_CODE (decl) == VAR_DECL) |
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360 | { |
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361 | if (fndecl == NULL && TREE_STATIC(decl) |
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362 | && TREE_READONLY(decl) && DECL_INITIAL(decl) != 0 |
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363 | && !TREE_PUBLIC(decl) && !DECL_EXTERNAL(decl) |
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364 | && DECL_MODE(decl) != BLKmode) cls = "CONST"; |
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365 | else if (DECL_EXTERNAL(decl)) cls = "EXTERN"; |
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366 | else if (TREE_PUBLIC(decl)) cls = "EXTDEF"; |
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367 | else if (TREE_STATIC(decl)) cls = "STATIC"; |
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368 | else if (DECL_REGISTER(decl)) cls = "REGISTER"; |
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369 | else cls = "AUTO"; |
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370 | } |
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371 | else if (TREE_CODE (decl) == PARM_DECL) cls = "PARAM"; |
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372 | else if (TREE_CODE (decl) == FIELD_DECL) cls = "FIELD"; |
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373 | else if (TREE_CODE (decl) == CONST_DECL) cls = "CONST"; |
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374 | else if (TREE_CODE (decl) == FUNCTION_DECL) |
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375 | { |
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376 | if (DECL_EXTERNAL (decl)) cls = "EXTERN"; |
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377 | else if (TREE_PUBLIC (decl)) cls = "EFUNCTION"; |
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378 | else cls = "SFUNCTION"; |
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379 | } |
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380 | else if (TREE_CODE (decl) == LABEL_DECL) cls = "LABEL"; |
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381 | else if (TREE_CODE (decl) == UNION_TYPE) |
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382 | { |
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383 | cls = "UNIONID"; |
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384 | decl = TYPE_NAME (decl); |
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385 | uselin = TRUE; |
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386 | } |
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387 | else if (TREE_CODE (decl) == RECORD_TYPE) |
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388 | { |
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389 | if (CLASSTYPE_DECLARED_CLASS (decl)) cls = "CLASSID"; |
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390 | else if (IS_SIGNATURE (decl)) cls = "SIGNATUREID"; |
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391 | else cls = "STRUCTID"; |
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392 | decl = TYPE_NAME (decl); |
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393 | uselin = TRUE; |
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394 | } |
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395 | else if (TREE_CODE (decl) == ENUMERAL_TYPE) |
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396 | { |
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397 | cls = "ENUMID"; |
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398 | decl = TYPE_NAME (decl); |
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399 | uselin = TRUE; |
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400 | } |
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401 | else if (TREE_CODE (decl) == TEMPLATE_DECL) |
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402 | { |
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403 | if (DECL_TEMPLATE_IS_CLASS (decl)) |
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404 | cls = "CLASSTEMP"; |
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405 | else if (TREE_CODE (DECL_RESULT (decl)) == FUNCTION_DECL) |
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406 | cls = "FUNCTEMP"; |
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407 | else if (TREE_CODE (DECL_RESULT (decl)) == VAR_DECL) |
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408 | cls = "VARTEMP"; |
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409 | else |
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410 | my_friendly_abort (358); |
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411 | uselin = TRUE; |
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412 | } |
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413 | else cls = "UNKNOWN"; |
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414 | |
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415 | if (decl == NULL || DECL_NAME (decl) == NULL) return; |
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416 | |
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417 | if (uselin && decl->decl.linenum > 0 && decl->decl.filename != NULL) |
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418 | { |
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419 | xf1 = find_file (decl->decl.filename); |
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420 | if (xf1 != NULL) |
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421 | { |
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422 | lineno = decl->decl.linenum; |
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423 | xf = xf1; |
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424 | } |
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425 | } |
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426 | |
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427 | if (DECL_ASSEMBLER_NAME (decl)) |
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428 | name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)); |
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429 | else |
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430 | name = IDENTIFIER_POINTER (DECL_NAME (decl)); |
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431 | |
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432 | strcpy (buf, type_as_string (TREE_TYPE (decl), 0)); |
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433 | simplify_type (buf); |
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434 | |
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435 | fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", |
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436 | filename(xf), lineno, name, |
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437 | (cur_scope != NULL ? cur_scope->lid : 0), |
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438 | cls, fctname(fndecl), buf); |
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439 | |
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440 | if (STREQL (cls, "STRUCTID") || STREQL (cls, "UNIONID") |
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441 | || STREQL (cls, "SIGNATUREID")) |
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442 | { |
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443 | cls = "CLASSID"; |
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444 | fprintf (xref_file, "DCL %s %d %s %d %s %s %s\n", |
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445 | filename(xf), lineno,name, |
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446 | (cur_scope != NULL ? cur_scope->lid : 0), |
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447 | cls, fctname(fndecl), buf); |
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448 | } |
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449 | } |
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450 | |
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451 | /* Output a reference to a call to NAME in FNDECL. */ |
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452 | |
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453 | void |
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454 | GNU_xref_call (fndecl, name) |
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455 | tree fndecl; |
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456 | char *name; |
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457 | { |
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458 | XREF_FILE xf; |
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459 | char buf[1024]; |
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460 | char *s; |
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461 | |
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462 | if (!doing_xref) return; |
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463 | xf = find_file (input_filename); |
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464 | if (xf == NULL) return; |
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465 | name = fixname (name, buf); |
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466 | |
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467 | for (s = name; *s != 0; ++s) |
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468 | if (*s == '_' && s[1] == '_') break; |
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469 | if (*s != 0) GNU_xref_ref (fndecl, name); |
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470 | |
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471 | fprintf (xref_file, "CAL %s %d %s %s\n", |
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472 | filename (xf), lineno, name, fctname (fndecl)); |
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473 | } |
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474 | |
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475 | /* Output cross-reference info about FNDECL. If non-NULL, |
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476 | ARGS are the arguments for the function (i.e., before the FUNCTION_DECL |
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477 | has been fully built). */ |
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478 | |
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479 | void |
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480 | GNU_xref_function (fndecl, args) |
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481 | tree fndecl; |
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482 | tree args; |
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483 | { |
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484 | XREF_FILE xf; |
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485 | int ct; |
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486 | char buf[1024]; |
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487 | |
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488 | if (!doing_xref) return; |
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489 | xf = find_file (input_filename); |
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490 | if (xf == NULL) return; |
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491 | |
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492 | ct = 0; |
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493 | buf[0] = 0; |
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494 | if (args == NULL) args = DECL_ARGUMENTS (fndecl); |
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495 | |
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496 | GNU_xref_decl (NULL, fndecl); |
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497 | |
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498 | for ( ; args != NULL; args = TREE_CHAIN (args)) |
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499 | { |
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500 | GNU_xref_decl (fndecl,args); |
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501 | if (ct != 0) strcat (buf,","); |
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502 | strcat (buf, declname (args)); |
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503 | ++ct; |
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504 | } |
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505 | |
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506 | fprintf (xref_file, "PRC %s %d %s %d %d %s\n", |
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507 | filename(xf), lineno, declname(fndecl), |
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508 | (cur_scope != NULL ? cur_scope->lid : 0), |
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509 | ct, buf); |
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510 | } |
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511 | |
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512 | /* Output cross-reference info about an assignment to NAME. */ |
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513 | |
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514 | void |
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515 | GNU_xref_assign(name) |
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516 | tree name; |
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517 | { |
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518 | XREF_FILE xf; |
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519 | |
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520 | if (!doing_xref) return; |
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521 | xf = find_file(input_filename); |
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522 | if (xf == NULL) return; |
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523 | |
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524 | gen_assign(xf, name); |
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525 | } |
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526 | |
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527 | static void |
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528 | gen_assign(xf, name) |
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529 | XREF_FILE xf; |
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530 | tree name; |
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531 | { |
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532 | char *s; |
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533 | |
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534 | s = NULL; |
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535 | |
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536 | switch (TREE_CODE (name)) |
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537 | { |
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538 | case IDENTIFIER_NODE : |
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539 | s = IDENTIFIER_POINTER(name); |
---|
540 | break; |
---|
541 | case VAR_DECL : |
---|
542 | s = declname(name); |
---|
543 | break; |
---|
544 | case COMPONENT_REF : |
---|
545 | gen_assign(xf, TREE_OPERAND(name, 0)); |
---|
546 | gen_assign(xf, TREE_OPERAND(name, 1)); |
---|
547 | break; |
---|
548 | case INDIRECT_REF : |
---|
549 | case OFFSET_REF : |
---|
550 | case ARRAY_REF : |
---|
551 | case BUFFER_REF : |
---|
552 | gen_assign(xf, TREE_OPERAND(name, 0)); |
---|
553 | break; |
---|
554 | case COMPOUND_EXPR : |
---|
555 | gen_assign(xf, TREE_OPERAND(name, 1)); |
---|
556 | break; |
---|
557 | default : |
---|
558 | break; |
---|
559 | } |
---|
560 | |
---|
561 | if (s != NULL) |
---|
562 | fprintf(xref_file, "ASG %s %d %s\n", filename(xf), lineno, s); |
---|
563 | } |
---|
564 | |
---|
565 | /* Output cross-reference info about a class hierarchy. |
---|
566 | CLS is the class type of interest. BASE is a baseclass |
---|
567 | for CLS. PUB and VIRT give the access info about |
---|
568 | the class derivation. FRND is nonzero iff BASE is a friend |
---|
569 | of CLS. |
---|
570 | |
---|
571 | ??? Needs to handle nested classes. */ |
---|
572 | void |
---|
573 | GNU_xref_hier(cls, base, pub, virt, frnd) |
---|
574 | char *cls; |
---|
575 | char *base; |
---|
576 | int pub; |
---|
577 | int virt; |
---|
578 | int frnd; |
---|
579 | { |
---|
580 | XREF_FILE xf; |
---|
581 | |
---|
582 | if (!doing_xref) return; |
---|
583 | xf = find_file(input_filename); |
---|
584 | if (xf == NULL) return; |
---|
585 | |
---|
586 | fprintf(xref_file, "HIE %s %d %s %s %d %d %d\n", |
---|
587 | filename(xf), lineno, cls, base, pub, virt, frnd); |
---|
588 | } |
---|
589 | |
---|
590 | /* Output cross-reference info about class members. CLS |
---|
591 | is the containing type; FLD is the class member. */ |
---|
592 | |
---|
593 | void |
---|
594 | GNU_xref_member(cls, fld) |
---|
595 | tree cls; |
---|
596 | tree fld; |
---|
597 | { |
---|
598 | XREF_FILE xf; |
---|
599 | char *prot; |
---|
600 | int confg, pure; |
---|
601 | char *d; |
---|
602 | int i; |
---|
603 | char buf[1024], bufa[1024]; |
---|
604 | |
---|
605 | if (!doing_xref) return; |
---|
606 | xf = find_file(fld->decl.filename); |
---|
607 | if (xf == NULL) return; |
---|
608 | |
---|
609 | if (TREE_PRIVATE (fld)) prot = "PRIVATE"; |
---|
610 | else if (TREE_PROTECTED(fld)) prot = "PROTECTED"; |
---|
611 | else prot = "PUBLIC"; |
---|
612 | |
---|
613 | confg = 0; |
---|
614 | if (TREE_CODE (fld) == FUNCTION_DECL && DECL_CONST_MEMFUNC_P(fld)) |
---|
615 | confg = 1; |
---|
616 | else if (TREE_CODE (fld) == CONST_DECL) |
---|
617 | confg = 1; |
---|
618 | |
---|
619 | pure = 0; |
---|
620 | if (TREE_CODE (fld) == FUNCTION_DECL && DECL_ABSTRACT_VIRTUAL_P(fld)) |
---|
621 | pure = 1; |
---|
622 | |
---|
623 | d = IDENTIFIER_POINTER(cls); |
---|
624 | sprintf(buf, "%d%s", strlen(d), d); |
---|
625 | i = strlen(buf); |
---|
626 | strcpy(bufa, declname(fld)); |
---|
627 | |
---|
628 | #ifdef XREF_SHORT_MEMBER_NAMES |
---|
629 | for (p = &bufa[1]; *p != 0; ++p) |
---|
630 | { |
---|
631 | if (p[0] == '_' && p[1] == '_' && p[2] >= '0' && p[2] <= '9') { |
---|
632 | if (strncmp(&p[2], buf, i) == 0) *p = 0; |
---|
633 | break; |
---|
634 | } |
---|
635 | else if (p[0] == '_' && p[1] == '_' && p[2] == 'C' && p[3] >= '0' && p[3] <= '9') { |
---|
636 | if (strncmp(&p[3], buf, i) == 0) *p = 0; |
---|
637 | break; |
---|
638 | } |
---|
639 | } |
---|
640 | #endif |
---|
641 | |
---|
642 | fprintf(xref_file, "MEM %s %d %s %s %s %d %d %d %d %d %d %d\n", |
---|
643 | filename(xf), fld->decl.linenum, d, bufa, prot, |
---|
644 | (TREE_CODE (fld) == FUNCTION_DECL ? 0 : 1), |
---|
645 | (DECL_INLINE (fld) ? 1 : 0), |
---|
646 | (DECL_FRIEND_P(fld) ? 1 : 0), |
---|
647 | (DECL_VINDEX(fld) ? 1 : 0), |
---|
648 | (TREE_STATIC(fld) ? 1 : 0), |
---|
649 | pure, confg); |
---|
650 | } |
---|
651 | |
---|
652 | /* Find file entry given name. */ |
---|
653 | |
---|
654 | static XREF_FILE |
---|
655 | find_file(name) |
---|
656 | char *name; |
---|
657 | { |
---|
658 | XREF_FILE xf; |
---|
659 | |
---|
660 | for (xf = all_files; xf != NULL; xf = xf->next) { |
---|
661 | if (STREQL(name, xf->name)) break; |
---|
662 | } |
---|
663 | |
---|
664 | return xf; |
---|
665 | } |
---|
666 | |
---|
667 | /* Return filename for output purposes. */ |
---|
668 | |
---|
669 | static char * |
---|
670 | filename(xf) |
---|
671 | XREF_FILE xf; |
---|
672 | { |
---|
673 | if (xf == NULL) { |
---|
674 | last_file = NULL; |
---|
675 | return "*"; |
---|
676 | } |
---|
677 | |
---|
678 | if (last_file == xf) return "*"; |
---|
679 | |
---|
680 | last_file = xf; |
---|
681 | |
---|
682 | return xf->outname; |
---|
683 | } |
---|
684 | |
---|
685 | /* Return function name for output purposes. */ |
---|
686 | |
---|
687 | static char * |
---|
688 | fctname(fndecl) |
---|
689 | tree fndecl; |
---|
690 | { |
---|
691 | static char fctbuf[1024]; |
---|
692 | char *s; |
---|
693 | |
---|
694 | if (fndecl == NULL && last_fndecl == NULL) return "*"; |
---|
695 | |
---|
696 | if (fndecl == NULL) |
---|
697 | { |
---|
698 | last_fndecl = NULL; |
---|
699 | return "*TOP*"; |
---|
700 | } |
---|
701 | |
---|
702 | if (fndecl == last_fndecl) return "*"; |
---|
703 | |
---|
704 | last_fndecl = fndecl; |
---|
705 | |
---|
706 | s = declname(fndecl); |
---|
707 | s = fixname(s, fctbuf); |
---|
708 | |
---|
709 | return s; |
---|
710 | } |
---|
711 | |
---|
712 | /* Return decl name for output purposes. */ |
---|
713 | |
---|
714 | static char * |
---|
715 | declname(dcl) |
---|
716 | tree dcl; |
---|
717 | { |
---|
718 | if (DECL_NAME (dcl) == NULL) return "?"; |
---|
719 | |
---|
720 | if (DECL_ASSEMBLER_NAME (dcl)) |
---|
721 | return IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (dcl)); |
---|
722 | else |
---|
723 | return IDENTIFIER_POINTER (DECL_NAME (dcl)); |
---|
724 | } |
---|
725 | |
---|
726 | /* Simplify a type string by removing unneeded parenthesis. */ |
---|
727 | |
---|
728 | static void |
---|
729 | simplify_type(typ) |
---|
730 | char *typ; |
---|
731 | { |
---|
732 | char *s; |
---|
733 | int lvl, i; |
---|
734 | |
---|
735 | i = strlen(typ); |
---|
736 | while (i > 0 && isspace(typ[i-1])) typ[--i] = 0; |
---|
737 | |
---|
738 | if (i > 7 && STREQL(&typ[i-5], "const")) |
---|
739 | { |
---|
740 | typ[i-5] = 0; |
---|
741 | i -= 5; |
---|
742 | } |
---|
743 | |
---|
744 | if (typ[i-1] != ')') return; |
---|
745 | |
---|
746 | s = &typ[i-2]; |
---|
747 | lvl = 1; |
---|
748 | while (*s != 0) { |
---|
749 | if (*s == ')') ++lvl; |
---|
750 | else if (*s == '(') |
---|
751 | { |
---|
752 | --lvl; |
---|
753 | if (lvl == 0) |
---|
754 | { |
---|
755 | s[1] = ')'; |
---|
756 | s[2] = 0; |
---|
757 | break; |
---|
758 | } |
---|
759 | } |
---|
760 | --s; |
---|
761 | } |
---|
762 | |
---|
763 | if (*s != 0 && s[-1] == ')') |
---|
764 | { |
---|
765 | --s; |
---|
766 | --s; |
---|
767 | if (*s == '(') s[2] = 0; |
---|
768 | else if (*s == ':') { |
---|
769 | while (*s != '(') --s; |
---|
770 | s[1] = ')'; |
---|
771 | s[2] = 0; |
---|
772 | } |
---|
773 | } |
---|
774 | } |
---|
775 | |
---|
776 | /* Fixup a function name (take care of embedded spaces). */ |
---|
777 | |
---|
778 | static char * |
---|
779 | fixname(nam, buf) |
---|
780 | char *nam; |
---|
781 | char *buf; |
---|
782 | { |
---|
783 | char *s, *t; |
---|
784 | int fg; |
---|
785 | |
---|
786 | s = nam; |
---|
787 | t = buf; |
---|
788 | fg = 0; |
---|
789 | |
---|
790 | while (*s != 0) |
---|
791 | { |
---|
792 | if (*s == ' ') |
---|
793 | { |
---|
794 | *t++ = '\36'; |
---|
795 | ++fg; |
---|
796 | } |
---|
797 | else *t++ = *s; |
---|
798 | ++s; |
---|
799 | } |
---|
800 | *t = 0; |
---|
801 | |
---|
802 | if (fg == 0) return nam; |
---|
803 | |
---|
804 | return buf; |
---|
805 | } |
---|
806 | |
---|
807 | /* Open file for xreffing. */ |
---|
808 | |
---|
809 | static void |
---|
810 | open_xref_file(file) |
---|
811 | char *file; |
---|
812 | { |
---|
813 | char *s, *t; |
---|
814 | |
---|
815 | #ifdef XREF_FILE_NAME |
---|
816 | XREF_FILE_NAME (xref_name, file); |
---|
817 | #else |
---|
818 | s = rindex (file, '/'); |
---|
819 | if (s == NULL) |
---|
820 | sprintf (xref_name, ".%s.gxref", file); |
---|
821 | else |
---|
822 | { |
---|
823 | ++s; |
---|
824 | strcpy (xref_name, file); |
---|
825 | t = rindex (xref_name, '/'); |
---|
826 | ++t; |
---|
827 | *t++ = '.'; |
---|
828 | strcpy (t, s); |
---|
829 | strcat (t, ".gxref"); |
---|
830 | } |
---|
831 | #endif /* no XREF_FILE_NAME */ |
---|
832 | |
---|
833 | xref_file = fopen(xref_name, "w"); |
---|
834 | |
---|
835 | if (xref_file == NULL) |
---|
836 | { |
---|
837 | error("Can't create cross-reference file `%s'", xref_name); |
---|
838 | doing_xref = 0; |
---|
839 | } |
---|
840 | } |
---|