| 1 | #### cd accepts a block, runs it in different dir
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| 2 | shopt -s ysh:all
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| 3 |
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| 4 | const saved = "$PWD"
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| 5 |
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| 6 | # OLDPWD is NOT defined
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| 7 | cd / { echo $PWD; echo OLDPWD=${OLDPWD:-} }; echo done
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| 8 |
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| 9 | if ! test "$saved" = $PWD; then
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| 10 | echo FAIL
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| 11 | fi
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| 12 |
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| 13 | cd /tmp {
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| 14 | write PWD=$PWD
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| 15 | write --sep ' ' pwd builtin: $(pwd)
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| 16 | }
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| 17 |
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| 18 | if ! test "$saved" = $PWD; then
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| 19 | echo FAIL
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| 20 | fi
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| 21 |
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| 22 | ## STDOUT:
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| 23 | /
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| 24 | OLDPWD=
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| 25 | done
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| 26 | PWD=/tmp
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| 27 | pwd builtin: /tmp
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| 28 | ## END
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| 29 |
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| 30 | #### cd with block: requires explicit command
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| 31 | shopt --set ysh:upgrade
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| 32 |
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| 33 | cd /tmp { echo $PWD }
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| 34 |
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| 35 | HOME=~
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| 36 | cd { echo $PWD }
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| 37 |
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| 38 | ## status: 2
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| 39 | ## STDOUT:
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| 40 | /tmp
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| 41 | ## END
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| 42 |
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| 43 | #### cd passed block with return 1
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| 44 | shopt -s ysh:all
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| 45 |
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| 46 | f() {
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| 47 | cd / {
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| 48 | echo block
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| 49 | return 1
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| 50 | echo 'not reached'
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| 51 | }
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| 52 | }
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| 53 | f
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| 54 | echo 'not reached'
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| 55 |
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| 56 | ## status: 1
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| 57 | ## STDOUT:
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| 58 | block
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| 59 | ## END
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| 60 |
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| 61 | #### block doesn't have its own scope
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| 62 | shopt -s ysh:all
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| 63 | var x = 1
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| 64 | echo "x=$x"
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| 65 | cd / {
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| 66 | #set y = 5 # This would be an error because set doesn't do dynamic lookup
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| 67 | var x = 42
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| 68 | echo "x=$x"
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| 69 | }
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| 70 | echo "x=$x"
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| 71 | ## STDOUT:
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| 72 | x=1
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| 73 | x=42
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| 74 | x=42
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| 75 | ## END
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| 76 |
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| 77 | #### redirects allowed in words, typed args, and after block
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| 78 | shopt -s ysh:upgrade
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| 79 |
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| 80 | rm -f out
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| 81 | touch out
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| 82 |
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| 83 | cd /tmp >>out {
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| 84 | echo 1 $PWD
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| 85 | }
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| 86 |
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| 87 | cd /tmp >>out (; ; ^(echo 2 $PWD))
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| 88 |
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| 89 | cd /tmp (; ; ^(echo 3 $PWD)) >>out
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| 90 |
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| 91 | cd /tmp {
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| 92 | echo 4 $PWD
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| 93 | } >> out
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| 94 |
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| 95 | cat out
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| 96 |
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| 97 | ## STDOUT:
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| 98 | 1 /tmp
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| 99 | 2 /tmp
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| 100 | 3 /tmp
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| 101 | 4 /tmp
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| 102 | ## END
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| 103 |
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| 104 | #### block literal in expression mode: ^(echo $PWD)
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| 105 | shopt -s ysh:all
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| 106 |
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| 107 | const myblock = ^(echo $PWD | wc -l)
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| 108 | call io->eval(myblock)
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| 109 |
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| 110 | const b2 = ^(echo one; echo two)
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| 111 | call io->eval(b2)
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| 112 |
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| 113 | ## STDOUT:
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| 114 | 1
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| 115 | one
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| 116 | two
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| 117 | ## END
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| 118 |
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| 119 | #### block arg as typed expression
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| 120 |
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| 121 | shopt -s oil:all
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| 122 |
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| 123 | # literal
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| 124 | cd /tmp (; ; ^(echo $PWD))
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| 125 |
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| 126 | const myblock = ^(echo $PWD)
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| 127 | cd /tmp (; ; myblock)
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| 128 |
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| 129 | ## STDOUT:
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| 130 | /tmp
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| 131 | /tmp
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| 132 | ## END
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| 133 |
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| 134 | #### Pass invalid typed args
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| 135 |
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| 136 | cd /tmp (42) # should be a block
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| 137 | ## status: 3
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| 138 |
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| 139 | #### Pass too many typed args
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| 140 |
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| 141 | cd /tmp (1, 2)
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| 142 | ## status: 3
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| 143 |
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| 144 | #### 'builtin' and 'command' with block
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| 145 | shopt --set oil:upgrade
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| 146 | builtin cd / {
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| 147 | echo "builtin $PWD"
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| 148 | }
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| 149 | command cd / {
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| 150 | echo "command $PWD"
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| 151 | }
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| 152 | ## STDOUT:
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| 153 | builtin /
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| 154 | command /
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| 155 | ## END
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| 156 |
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| 157 | #### Consistency: Exit Status and Blocks
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| 158 | shopt --set parse_brace
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| 159 |
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| 160 | cd / {
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| 161 | false
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| 162 | }
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| 163 | echo cd=$?
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| 164 |
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| 165 | shopt --unset errexit {
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| 166 | false
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| 167 | }
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| 168 | echo shopt=$?
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| 169 |
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| 170 | shvar FOO=foo {
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| 171 | echo " FOO=$FOO"
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| 172 | false
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| 173 | }
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| 174 | echo shvar=$?
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| 175 |
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| 176 | try {
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| 177 | false
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| 178 | }
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| 179 | echo try=$?
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| 180 |
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| 181 | ## STDOUT:
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| 182 | cd=0
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| 183 | shopt=0
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| 184 | FOO=foo
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| 185 | shvar=0
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| 186 | try=0
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| 187 | ## END
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| 188 |
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| 189 | #### Consistency: Unwanted Blocks Are Errors
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| 190 | shopt --set parse_brace
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| 191 |
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| 192 | true { echo BAD }
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| 193 | echo true $?
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| 194 |
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| 195 | false ( 42, 43 )
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| 196 | echo false $?
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| 197 |
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| 198 | echo { echo BAD }
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| 199 | echo echo block $?
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| 200 |
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| 201 | echo ( 42, 43 )
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| 202 | echo echo args $?
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| 203 |
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| 204 | command echo 'command block' { echo BAD }
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| 205 | echo command echo $?
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| 206 |
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| 207 | builtin echo 'builtin block' { echo BAD }
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| 208 | echo builtin echo $?
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| 209 |
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| 210 | pushd $TMP { echo BAD }
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| 211 | echo pushd $?
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| 212 |
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| 213 | ## STDOUT:
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| 214 | true 2
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| 215 | false 2
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| 216 | echo block 2
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| 217 | echo args 2
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| 218 | command echo 2
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| 219 | builtin echo 2
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| 220 | pushd 2
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| 221 | ## END
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| 222 |
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| 223 | #### Block with Bare Assignments
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| 224 |
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| 225 | # oil:all has parse_equals
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| 226 | # is there any way to turn on parse_equals only in config blocks?
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| 227 | # but we don't know what's a block ahead of time
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| 228 | # I think we would have to check at runtime. Look at VarChecker
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| 229 |
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| 230 | shopt --set oil:all
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| 231 |
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| 232 | proc Rule(s ; ; ; b) {
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| 233 | echo "rule $s"
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| 234 | }
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| 235 |
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| 236 | proc myrules(name) {
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| 237 | Rule $name-python {
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| 238 | kind = 'python'
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| 239 | }
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| 240 |
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| 241 | Rule $name-cc {
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| 242 | kind = 'cc' # should NOT conflict
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| 243 | }
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| 244 | }
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| 245 |
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| 246 | myrules foo
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| 247 | myrules bar
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| 248 |
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| 249 | ## STDOUT:
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| 250 | rule foo-python
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| 251 | rule foo-cc
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| 252 | rule bar-python
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| 253 | rule bar-cc
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| 254 | ## END
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| 255 |
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| 256 | #### Proc that doesn't take a block
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| 257 | shopt --set parse_brace parse_proc parse_paren
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| 258 |
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| 259 | proc task(name ; ; ; b = null) {
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| 260 | echo "task name=$name"
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| 261 | if (b) {
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| 262 | call io->eval(b)
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| 263 | return 33
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| 264 | } else {
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| 265 | echo 'no block'
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| 266 | return 44
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| 267 | }
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| 268 | }
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| 269 |
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| 270 | task spam
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| 271 | echo status=$?
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| 272 |
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| 273 | echo
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| 274 |
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| 275 | task foo {
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| 276 | echo 'running'
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| 277 | echo 'block'
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| 278 | }
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| 279 | echo status=$?
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| 280 |
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| 281 | ## STDOUT:
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| 282 | task name=spam
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| 283 | no block
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| 284 | status=44
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| 285 |
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| 286 | task name=foo
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| 287 | running
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| 288 | block
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| 289 | status=33
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| 290 | ## END
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| 291 |
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