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annotate src/testdir/test108.in @ 7605:8fc60af6dbf5 v7.4.1102

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commit https://github.com/vim/vim/commit/f1f60f859cdbb2638b3662ccf7b1d179865fe7dc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 15:40:53 2016 +0100 patch 7.4.1102 Problem: Debugger has no stack backtrace support. Solution: Add "backtrace", "frame", "up" and "down" commands. (Alberto Fanjul, closes https://github.com/vim/vim/issues/433)
author Christian Brabandt <cb@256bit.org>
date Sat, 16 Jan 2016 15:45:04 +0100
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children 503534e56ce1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 Tests for backtrace debug commands. vim: set ft=vim :
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3 STARTTEST
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4 :so small.vim
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5 :function! Foo()
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6 : let var1 = 1
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7 : let var2 = Bar(var1) + 9
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8 : return var2
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9 :endfunction
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10 :
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11 :function! Bar(var)
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12 : let var1 = 2 + a:var
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13 : let var2 = Bazz(var1) + 4
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14 : return var2
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15 :endfunction
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16 :
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17 :function! Bazz(var)
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18 : let var1 = 3 + a:var
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19 : let var3 = "another var"
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20 : return var1
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21 :endfunction
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22 :new
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23 :debuggreedy
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24 :redir => out
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25 :debug echo Foo()
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26 step
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27 step
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32 echo "- show backtrace:\n"
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33 backtrace
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34 echo "\nshow variables on different levels:\n"
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35 echo var1
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36 up
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37 back
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38 echo var1
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39 u
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40 bt
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41 echo var1
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42 echo "\n- undefined vars:\n"
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43 step
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44 frame 2
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45 echo "undefined var3 on former level:"
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46 echo var3
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47 fr 0
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48 echo "here var3 is defined with \"another var\":"
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49 echo var3
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53 up
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54 echo "\nundefined var2 on former level"
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55 echo var2
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56 down
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57 echo "here var2 is defined with 10:"
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58 echo var2
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59 echo "\n- backtrace movements:\n"
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60 b
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61 echo "\nnext command cannot go down, we are on bottom\n"
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62 down
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63 up
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64 echo "\nnext command cannot go up, we are on top\n"
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65 up
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66 b
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67 echo "fil is not frame or finish, it is file"
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68 fil
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69 echo "\n- relative backtrace movement\n"
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70 fr -1
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71 frame
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72 fra +1
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73 fram
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74 echo "\n- go beyond limits does not crash\n"
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75 fr 100
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77 frame -40
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78 fram
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79 echo "\n- final result 19:"
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80 cont
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81 :0debuggreedy
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82 :redir END
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83 :$put =out
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84 :w! test.out
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85 :qa!
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86 ENDTEST
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87