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1 # some useful commands for debugging emacs with gdb 4.* or better
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2 # used on machines without NO_UNION_TYPE defined (only the Alpha now?)
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3
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4 set print union off
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5 set print pretty off
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6
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7 define temacs
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8 run -batch -l loadup.el run-temacs -q
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9 end
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10
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11 echo \n>>> Use the `temacs' command to run temacs\n\n
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12
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13 # if you use Purify, do this:
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14 # set env PURIFYOPTIONS -pointer-mask=0x0fffffff
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15
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16 # was frob, but p1 is short for prin1
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17 define p1
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18 #call = Fprin1 ($tem, Qexternal_debugging_output)
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19 # compensate for GDB struct-passing bug
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20 set debug_temp = $
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21 call debug_print (&debug_temp)
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22 printf "\n"
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23 end
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24
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25 define lbt
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26 # "&" to compensate for GDB struct-passing bug
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27 # but I've removed the &'s because it doesn't work with my GDB,
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28 # and not having them works fine.
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29 call Fbacktrace (Qexternal_debugging_output, Qt)
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30 end
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31
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32
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33 set $vector_length_mask = ~(1<<31)
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34
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35 define xtype
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36 # this is really xgctype, as we mask off the mark bit
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37 output (enum Lisp_Type) ($.gu.type)
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38 echo \n
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39 end
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40
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41 define xint
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42 print ((int)($.s.val << 4))>>4
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43 end
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44
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45 define xmarkbit
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46 print $.gu.markbit
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47 end
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48
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49 define xrecord
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50 print (struct lrecord_header *) $.gu.val
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51 output *($->implementation)
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52 echo \n
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53 end
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54
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55 define xbitvec
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56 print (struct Lisp_Bit_Vector *) ($.gu.val)
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57 end
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58
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59 define xbuffer
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60 print (struct buffer *) ($.gu.val)
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61 end
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62
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63 define xbytecode
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64 print (struct Lisp_Bytecode *) ($.gu.val)
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65 end
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66
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67 define xcharset
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68 print (struct Lisp_Charset *) ($.gu.val)
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69 end
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70
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71 define xchartab
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72 print (struct Lisp_Char_Table *) ($.gu.val)
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73 end
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74
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75 define xchartabentry
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76 print (struct Lisp_Char_Table_Entry *) ($.gu.val)
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77 end
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78
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79 define xcodesys
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80 print (struct Lisp_Coding_System *) ($.gu.val)
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81 end
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82
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83 define xcolorinst
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84 print (struct Lisp_Color_Instance *) ($.gu.val)
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85 end
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86
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87 define xcons
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88 print (struct Lisp_Cons *) ($.gu.val)
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89 end
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90
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91 define xcursor
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92 print (struct Lisp_Cursor *) ($.gu.val)
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93 end
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94
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95 define xdevice
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96 print (struct device *) ($.gu.val)
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97 end
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98
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99 define xevent
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100 print (struct Lisp_Event *) ($.gu.val)
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101 end
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102
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103 define xextent
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104 print (struct extent *) ($.gu.val)
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105 end
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106
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107 define xextentaux
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108 print (struct extent_auxiliary *) ($.gu.val)
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109 end
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110
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111 define xextentinfo
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112 print (struct extent_info *) ($.gu.val)
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113 end
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114
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115 define xfloat
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116 print (struct Lisp_Float *) ($.gu.val)
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117 output (double) $->data.d
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118 echo \n
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119 end
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120
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121 define xfontinst
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122 print (struct Lisp_Font_Instance *) ($.gu.val)
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123 end
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124
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125 define xframe
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126 print (struct frame *) ($.gu.val)
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127 end
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128
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129 define xglyph
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130 print (struct Lisp_Glyph *) ($.gu.val)
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131 end
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132
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133 define xhashtable
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134 print (struct hashtable_struct *) ($.gu.val)
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135 end
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136
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137 define ximageinst
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138 print (struct Lisp_Image_Instance *) ($.gu.val)
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139 end
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140
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141 define xkeymap
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142 print (struct keymap *) ($.gu.val)
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143 end
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144
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145 define xlstream
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146 print (struct lstream *) ($.gu.val)
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147 end
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148
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149 define xmarker
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150 print (struct Lisp_Marker *) ($.gu.val)
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151 end
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152
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153 define xmenubardata
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154 print (struct menubar_data *) ($.gu.val)
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155 end
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156
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157 define xopaque
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158 print (struct Lisp_Opaque *) ($.gu.val)
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159 end
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160
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161 define xprocess
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162 print (struct Lisp_Process *) ($.gu.val)
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163 end
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164
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165 define xrangetab
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166 print (struct Lisp_Range_Table *) ($.gu.val)
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167 end
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168
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169 define xspec
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170 print (struct Lisp_Specifier *) ($.gu.val)
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171 end
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172
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173 define xstring
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174 print (struct Lisp_String *) ($.gu.val)
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175 output (char *) $->_data
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176 echo \n
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177 end
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178
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179 define xsubr
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180 print (struct Lisp_Subr *) ($.gu.val)
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181 end
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182
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183 define xsubwindow
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184 print (struct Lisp_Subwindow *) ($.gu.val)
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185 end
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186
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187 define xtoolbarbutton
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188 print (struct toolbar_button *) ($.gu.val)
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189 end
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190
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191 define xtoolbardata
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192 print (struct toolbar_data *) ($.gu.val)
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193 end
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194
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195 define xtooltalkmess
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196 print (struct Lisp_Tooltalk_Message *) ($.gu.val)
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197 end
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198
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199 define xtooltalkpatt
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200 print (struct Lisp_Tooltalk_Pattern *) ($.gu.val)
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201 end
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202
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203 define xvector
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204 print (struct Lisp_Vector *) ($.gu.val)
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205 end
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206
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207 define xwindow
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208 print (struct window *) ($.gu.val)
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209 end
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210
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211 define xwindowconfig
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212 print (struct window_config *) ($.gu.val)
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213 end
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214
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215 define nilp
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216 print $ == Qnil
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217 end
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218
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219 define car
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220 set $tem = ((struct Lisp_Cons *) $.gu.val)->car
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221 end
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222
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223 define cdr
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224 set $tem = ((struct Lisp_Cons *) $.gu.val)->cdr
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225 end
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226
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227 define string-length
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228 print ((struct Lisp_String *) $.gu.val)->_size & $vector_length_mask
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229 end
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230
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231 define string-contents
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232 print (char *) ((struct Lisp_String *) $.gu.val)->_data
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233 end
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234
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235 define vector-length
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236 print ((struct Lisp_Vector *) $.gu.val)->size & $vector_length_mask
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237 end
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238
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239 define vector-contents
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240 set $tem = (struct Lisp_Vector *) $.gu.val
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241 print *($tem->contents) @ ($tem->size & $vector_length_mask)
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242 set $ = $tem->contents
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243 end
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244
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245 define symbol-name
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246 set $tem = ((struct Lisp_Symbol *) $.gu.val)->name
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247 # output *($tem->_data) @ ($tem->_size & $vector_length_mask)
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248 output ($tem->_data)
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249 echo \n
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250 set $type = Lisp_String
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251 echo \n
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252 end
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253
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254 define xsymbol
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255 symbol-name
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256 end
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257
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258 define symbol-value
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259 set $tem = ((struct Lisp_Symbol *) $.gu.val)->value
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260 end
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261
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262 define symbol-function
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263 set $tem = ((struct Lisp_Symbol *) $.gu.val)->function
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264 end
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265
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266 define symbol-plist
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267 set $tem = ((struct Lisp_Symbol *) $.gu.val)->plist
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268 end
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269
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270 define wtype
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271 p $->core.widget_class->core_class.class_name
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272 end
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273
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274 define xtname
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275 print XrmQuarkToString(((Object)($))->object.xrm_name)
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276 end
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277
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278 #
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279 # GDB, with the losing command-line parser that it has,
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280 # cannot handle nested blocks.
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281 #
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282 define breaks
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283
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284 br Fsignal
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285 # command
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286 # bt 3
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287 # p sig
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288 # xsymbol
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289 # end
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290
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291 br Fkill_emacs
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292 # command
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293 # bt 3
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294 # end
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295
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296 br assertion_failed
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297 # command
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298 # bt 3
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299 # end
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300
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301 end
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