| 1 |
|
| 2 | #### command sub $(echo hi)
|
| 3 | var x = $(echo hi)
|
| 4 | var y = $(echo '')
|
| 5 | # Make sure we can operate on these values
|
| 6 | echo x=${x:-default} y=${y:-default}
|
| 7 | ## STDOUT:
|
| 8 | x=hi y=default
|
| 9 | ## END
|
| 10 |
|
| 11 | #### shell array %(a 'b c')
|
| 12 | shopt -s parse_at
|
| 13 | var x = %(a 'b c')
|
| 14 | var empty = %()
|
| 15 | argv.py / @x @empty /
|
| 16 |
|
| 17 | ## STDOUT:
|
| 18 | ['/', 'a', 'b c', '/']
|
| 19 | ## END
|
| 20 |
|
| 21 | #### empty array and simple_word_eval (regression test)
|
| 22 | shopt -s parse_at simple_word_eval
|
| 23 | var empty = :| |
|
| 24 | echo len=$[len(empty)]
|
| 25 | argv.py / @empty /
|
| 26 |
|
| 27 | ## STDOUT:
|
| 28 | len=0
|
| 29 | ['/', '/']
|
| 30 | ## END
|
| 31 |
|
| 32 | #### Empty array and assignment builtin (regression)
|
| 33 | # Bug happens with shell arrays too
|
| 34 | empty=()
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| 35 | declare z=1 "${empty[@]}"
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| 36 | echo z=$z
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| 37 | ## STDOUT:
|
| 38 | z=1
|
| 39 | ## END
|
| 40 |
|
| 41 | #### Shell arrays support tilde detection, static globbing, brace detection
|
| 42 | shopt -s parse_at simple_word_eval
|
| 43 | touch {foo,bar}.py
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| 44 | HOME=/home/bob
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| 45 | no_dynamic_glob='*.py'
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| 46 |
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| 47 | var x = %(~/src *.py {andy,bob}@example.com $no_dynamic_glob)
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| 48 | argv.py @x
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| 49 | ## STDOUT:
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| 50 | ['/home/bob/src', 'bar.py', 'foo.py', 'andy@example.com', 'bob@example.com', '*.py']
|
| 51 | ## END
|
| 52 |
|
| 53 | #### Set $HOME using 'var' (i.e. Oil string var in word evaluator)
|
| 54 | var HOME = "foo"
|
| 55 | echo $HOME
|
| 56 | echo ~
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| 57 | ## STDOUT:
|
| 58 | foo
|
| 59 | foo
|
| 60 | ## END
|
| 61 |
|
| 62 | #### Use shell var in Oil expression
|
| 63 | x='abc'
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| 64 | var length = len(x) # length in BYTES, unlike ${#x}
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| 65 | echo $length
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| 66 | ## STDOUT:
|
| 67 | 3
|
| 68 | ## END
|
| 69 |
|
| 70 | #### Length doesn't apply to BashArray
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| 71 | x=(a b c)
|
| 72 | x[10]=A
|
| 73 | x[20]=B
|
| 74 |
|
| 75 | # shell style: length is 5
|
| 76 | echo shell=${#x[@]}
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| 77 |
|
| 78 | # Length could be 20, but we may change the representation to Dict[int, str]
|
| 79 | echo ysh=$[len(x)]
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| 80 |
|
| 81 | ## status: 3
|
| 82 | ## STDOUT:
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| 83 | shell=5
|
| 84 | ## END
|
| 85 |
|
| 86 | #### $[len(x)] inside strings
|
| 87 | var s = "abc"
|
| 88 | echo -$[len(s)]-
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| 89 |
|
| 90 | # This already has a meaning ...
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| 91 | #echo "-$len(x)-"
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| 92 | #echo "-${len}(x)-"
|
| 93 |
|
| 94 | ## STDOUT:
|
| 95 | -3-
|
| 96 | ## END
|
| 97 |
|
| 98 | #### Func with multiple args in multiple contexts
|
| 99 | shopt --set ysh:upgrade # needed for math.ysh
|
| 100 |
|
| 101 | source --builtin math.ysh
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| 102 |
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| 103 | var x = max(1+2, 3+4)
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| 104 | echo $x $[max(1+2, 3+4)]
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| 105 |
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| 106 | ## STDOUT:
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| 107 | 7 7
|
| 108 | ## END
|
| 109 |
|
| 110 |
|
| 111 | #### Trailing Comma in Param list
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| 112 | shopt --set ysh:upgrade # needed for math.ysh
|
| 113 |
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| 114 | source --builtin math.ysh
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| 115 |
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| 116 | var x = max(1+2, 3+4,)
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| 117 | echo $x $[max(1+2, 3+4,)]
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| 118 |
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| 119 | ## STDOUT:
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| 120 | 7 7
|
| 121 | ## END
|
| 122 |
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| 123 | #### nested expr contexts
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| 124 | var s = "123"
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| 125 |
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| 126 | # lex_mode_e.ShCommand -> Expr -> ShCommand -> Expr
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| 127 | var x = $(echo $'len\n' $[len(s)])
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| 128 | echo $x
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| 129 | ## STDOUT:
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| 130 | len 3
|
| 131 | ## END
|
| 132 |
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| 133 |
|
| 134 | # TODO:
|
| 135 | # - test keyword args
|
| 136 | # - test splatting *args, **kwargs
|
| 137 | # - Multiline parsing
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| 138 | #
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| 139 | # var x = max(
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| 140 | # 1+2,
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| 141 | # 3+4,
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| 142 | # )
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| 143 | # echo $x $max(
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| 144 | # 1+2,
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| 145 | # 3+4,
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| 146 | # )
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| 147 |
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| 148 | #### YSH var used with shell arithmetic
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| 149 | var w = "3"
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| 150 | echo lt=$(( w < 4 ))
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| 151 | echo gt=$(( w > 4 ))
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| 152 |
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| 153 | var z = 3
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| 154 | echo lt=$(( z < 4 ))
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| 155 | echo gt=$(( z > 4 ))
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| 156 | ## STDOUT:
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| 157 | lt=1
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| 158 | gt=0
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| 159 | lt=1
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| 160 | gt=0
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| 161 | ## END
|
| 162 |
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| 163 | #### Parse { var x = 42 }
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| 164 | shopt -s oil:upgrade
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| 165 | g() { var x = 42 }
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| 166 |
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| 167 | var x = 1
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| 168 | f() { var x = 42; setvar x = 43 }
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| 169 | f
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| 170 | echo x=$x
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| 171 | ## STDOUT:
|
| 172 | x=1
|
| 173 | ## END
|
| 174 |
|
| 175 | #### double quoted
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| 176 | var foo = "bar"
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| 177 | var x = "-$foo-${foo}-${undef:-default}-"
|
| 178 | echo $x
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| 179 | ## STDOUT:
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| 180 | -bar-bar-default-
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| 181 | ## END
|
| 182 |
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| 183 | #### double quoted respects strict_array
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| 184 | shopt -s strict:all
|
| 185 | declare -a a=(one two three)
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| 186 | var x = "-${a[@]}-"
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| 187 | echo $x
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| 188 | ## status: 1
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| 189 | ## stdout-json: ""
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| 190 |
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| 191 | #### simple var sub $name $0 $1 $? etc.
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| 192 | ( exit 42 )
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| 193 | var status = $?
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| 194 | echo status=$status
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| 195 |
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| 196 | set -- a b c
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| 197 | var one = $1
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| 198 | var two = $2
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| 199 | echo $one $two
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| 200 |
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| 201 | var named = "$one" # equivalent to 'one'
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| 202 | echo named=$named
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| 203 |
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| 204 | ## STDOUT:
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| 205 | status=42
|
| 206 | a b
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| 207 | named=a
|
| 208 | ## END
|
| 209 |
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| 210 | #### braced var sub ${x:-default}
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| 211 |
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| 212 | # without double quotes
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| 213 |
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| 214 | var b = ${foo:-default}
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| 215 | echo $b
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| 216 | var c = ${bar:-"-$b-"}
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| 217 | echo $c
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| 218 |
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| 219 | var d = "${bar:-"-$c-"}" # another one
|
| 220 | echo $d
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| 221 |
|
| 222 | ## STDOUT:
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| 223 | default
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| 224 | -default-
|
| 225 | --default--
|
| 226 | ## END
|
| 227 |
|
| 228 | #### braced var sub respects strict_array
|
| 229 | set -- a b c
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| 230 | var x = ${undef:-"$@"}
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| 231 | echo $x
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| 232 | shopt -s strict_array
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| 233 | setvar x = ${undef:-"$@"}
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| 234 | echo $x
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| 235 | ## status: 1
|
| 236 | ## STDOUT:
|
| 237 | a b c
|
| 238 | ## END
|
| 239 |
|
| 240 |
|
| 241 | #### null / true / false
|
| 242 | shopt -s oil:upgrade
|
| 243 | var n = null
|
| 244 | if (n) {
|
| 245 | echo yes
|
| 246 | } else {
|
| 247 | echo no
|
| 248 | }
|
| 249 | var t = true
|
| 250 | if (t) {
|
| 251 | echo yes
|
| 252 | } else {
|
| 253 | echo no
|
| 254 | }
|
| 255 | var f = false
|
| 256 | if (f) {
|
| 257 | echo yes
|
| 258 | } else {
|
| 259 | echo no
|
| 260 | }
|
| 261 | ## STDOUT:
|
| 262 | no
|
| 263 | yes
|
| 264 | no
|
| 265 | ## END
|
| 266 |
|
| 267 | #### Integer literals
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| 268 | var d = 123
|
| 269 | var b = 0b11
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| 270 | var o = 0o123
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| 271 | var h = 0xff
|
| 272 | echo $d $b $o $h
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| 273 | ## STDOUT:
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| 274 | 123 3 83 255
|
| 275 | ## END
|
| 276 |
|
| 277 | #### Integer literals with underscores
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| 278 | const dec = 65_536
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| 279 | const bin = 0b0001_0101
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| 280 | const oct = 0o001_755
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| 281 | const hex = 0x0001_000f
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| 282 |
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| 283 | echo SHELL
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| 284 | echo $dec
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| 285 | echo $bin
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| 286 | echo $oct
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| 287 | echo $hex
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| 288 | const x = 1_1 + 0b1_1 + 0o1_1 + 0x1_1
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| 289 | echo sum $x
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| 290 |
|
| 291 | # This works under Python 3.6, but the continuous build has earlier versions
|
| 292 | if false; then
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| 293 | echo ---
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| 294 | echo PYTHON
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| 295 |
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| 296 | python3 -c '
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| 297 | print(65_536)
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| 298 | print(0b0001_0101)
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| 299 | print(0o001_755)
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| 300 | print(0x0001_000f)
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| 301 |
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| 302 | # Weird syntax
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| 303 | print("sum", 1_1 + 0b1_1 + 0o1_1 + 0x1_1)
|
| 304 | '
|
| 305 | fi
|
| 306 |
|
| 307 | ## STDOUT:
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| 308 | SHELL
|
| 309 | 65536
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| 310 | 21
|
| 311 | 1005
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| 312 | 65551
|
| 313 | sum 40
|
| 314 | ## END
|
| 315 |
|
| 316 | #### Backslash char literal (is an integer)
|
| 317 | const newline = \n
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| 318 | const backslash = \\
|
| 319 | const sq = \'
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| 320 | const dq = \"
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| 321 | echo "$newline $backslash $sq $dq"
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| 322 | ## STDOUT:
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| 323 | 10 92 39 34
|
| 324 | ## END
|
| 325 |
|
| 326 | #### \u{3bc} is char literal
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| 327 | shopt -s oil:all
|
| 328 |
|
| 329 | var mu = \u{3bc}
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| 330 | if (mu === 0x3bc) { # this is the same!
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| 331 | echo 'yes'
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| 332 | }
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| 333 | echo "mu $mu"
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| 334 | ## STDOUT:
|
| 335 | yes
|
| 336 | mu 956
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| 337 | ## END
|
| 338 |
|
| 339 | #### Exponentiation with **
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| 340 | var x = 2**3
|
| 341 | echo $x
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| 342 |
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| 343 | var y = 2.0 ** 3.0 # NOT SUPPORTED
|
| 344 | echo 'should not get here'
|
| 345 |
|
| 346 | ## status: 3
|
| 347 | ## STDOUT:
|
| 348 | 8
|
| 349 | ## END
|
| 350 |
|
| 351 | #### Float Division
|
| 352 | pp line (5/2)
|
| 353 | pp line (-5/2)
|
| 354 | pp line (5/-2)
|
| 355 | pp line (-5/-2)
|
| 356 |
|
| 357 | echo ---
|
| 358 |
|
| 359 | var x = 9
|
| 360 | setvar x /= 2
|
| 361 | pp line (x)
|
| 362 |
|
| 363 | var x = -9
|
| 364 | setvar x /= 2
|
| 365 | pp line (x)
|
| 366 |
|
| 367 | var x = 9
|
| 368 | setvar x /= -2
|
| 369 | pp line (x)
|
| 370 |
|
| 371 | var x = -9
|
| 372 | setvar x /= -2
|
| 373 | pp line (x)
|
| 374 |
|
| 375 |
|
| 376 | ## STDOUT:
|
| 377 | (Float) 2.5
|
| 378 | (Float) -2.5
|
| 379 | (Float) -2.5
|
| 380 | (Float) 2.5
|
| 381 | ---
|
| 382 | (Float) 4.5
|
| 383 | (Float) -4.5
|
| 384 | (Float) -4.5
|
| 385 | (Float) 4.5
|
| 386 | ## END
|
| 387 |
|
| 388 | #### Integer Division (rounds toward zero)
|
| 389 | pp line (5//2)
|
| 390 | pp line (-5//2)
|
| 391 | pp line (5//-2)
|
| 392 | pp line (-5//-2)
|
| 393 |
|
| 394 | echo ---
|
| 395 |
|
| 396 | var x = 9
|
| 397 | setvar x //= 2
|
| 398 | pp line (x)
|
| 399 |
|
| 400 | var x = -9
|
| 401 | setvar x //= 2
|
| 402 | pp line (x)
|
| 403 |
|
| 404 | var x = 9
|
| 405 | setvar x //= -2
|
| 406 | pp line (x)
|
| 407 |
|
| 408 | var x = -9
|
| 409 | setvar x //= -2
|
| 410 | pp line (x)
|
| 411 |
|
| 412 | ## STDOUT:
|
| 413 | (Int) 2
|
| 414 | (Int) -2
|
| 415 | (Int) -2
|
| 416 | (Int) 2
|
| 417 | ---
|
| 418 | (Int) 4
|
| 419 | (Int) -4
|
| 420 | (Int) -4
|
| 421 | (Int) 4
|
| 422 | ## END
|
| 423 |
|
| 424 | #### % operator is remainder
|
| 425 | pp line ( 5 % 3)
|
| 426 | pp line (-5 % 3)
|
| 427 |
|
| 428 | # negative divisor illegal (tested in test/ysh-runtime-errors.sh)
|
| 429 | #pp line ( 5 % -3)
|
| 430 | #pp line (-5 % -3)
|
| 431 |
|
| 432 | var z = 10
|
| 433 | setvar z %= 3
|
| 434 | pp line (z)
|
| 435 |
|
| 436 | var z = -10
|
| 437 | setvar z %= 3
|
| 438 | pp line (z)
|
| 439 |
|
| 440 | ## STDOUT:
|
| 441 | (Int) 2
|
| 442 | (Int) -2
|
| 443 | (Int) 1
|
| 444 | (Int) -1
|
| 445 | ## END
|
| 446 |
|
| 447 | #### Bitwise logical
|
| 448 | var a = 0b0101 & 0b0011
|
| 449 | echo $a
|
| 450 | var b = 0b0101 | 0b0011
|
| 451 | echo $b
|
| 452 | var c = 0b0101 ^ 0b0011
|
| 453 | echo $c
|
| 454 | var d = ~b
|
| 455 | echo $d
|
| 456 | ## STDOUT:
|
| 457 | 1
|
| 458 | 7
|
| 459 | 6
|
| 460 | -8
|
| 461 | ## END
|
| 462 |
|
| 463 | #### Shift operators
|
| 464 | var a = 1 << 4
|
| 465 | echo $a
|
| 466 | var b = 16 >> 4
|
| 467 | echo $b
|
| 468 | ## STDOUT:
|
| 469 | 16
|
| 470 | 1
|
| 471 | ## END
|
| 472 |
|
| 473 | #### multiline strings, list, tuple syntax for list, etc.
|
| 474 | var dq = "
|
| 475 | dq
|
| 476 | 2
|
| 477 | "
|
| 478 | echo dq=$[len(dq)]
|
| 479 |
|
| 480 | var sq = '
|
| 481 | sq
|
| 482 | 2
|
| 483 | '
|
| 484 | echo sq=$[len(sq)]
|
| 485 |
|
| 486 | var mylist = [
|
| 487 | 1,
|
| 488 | 2,
|
| 489 | 3,
|
| 490 | ]
|
| 491 | echo mylist=$[len(mylist)]
|
| 492 |
|
| 493 | var mytuple = (1,
|
| 494 | 2, 3)
|
| 495 | echo mytuple=$[len(mytuple)]
|
| 496 |
|
| 497 | ## STDOUT:
|
| 498 | dq=6
|
| 499 | sq=6
|
| 500 | mylist=3
|
| 501 | mytuple=3
|
| 502 | ## END
|
| 503 |
|
| 504 | #### multiline dict
|
| 505 |
|
| 506 | # Note: a pair has to be all on one line. We could relax that but there isn't
|
| 507 | # a strong reason to now.
|
| 508 |
|
| 509 | var mydict = { a:1,
|
| 510 | b: 2,
|
| 511 | }
|
| 512 | echo mydict=$[len(mydict)]
|
| 513 | ## STDOUT:
|
| 514 | mydict=2
|
| 515 | ## END
|
| 516 |
|
| 517 | #### multiline array and command sub (only here docs disallowed)
|
| 518 | var array = %(
|
| 519 | one
|
| 520 | two
|
| 521 | three
|
| 522 | )
|
| 523 | echo array=$[len(array)]
|
| 524 |
|
| 525 | var comsub = $(
|
| 526 | echo hi
|
| 527 | echo bye
|
| 528 | )
|
| 529 | echo comsub=$[len(comsub)]
|
| 530 |
|
| 531 | ## STDOUT:
|
| 532 | array=3
|
| 533 | comsub=6
|
| 534 | ## END
|
| 535 |
|
| 536 | #### obj->method()
|
| 537 | var s = 'hi'
|
| 538 |
|
| 539 | # TODO: This does a bound method thing we probably don't want
|
| 540 | var s2 = s=>upper()
|
| 541 | echo $s2
|
| 542 | ## STDOUT:
|
| 543 | HI
|
| 544 | ## END
|
| 545 |
|
| 546 | #### obj->method does NOT give you a bound method
|
| 547 | var s = 'hi'
|
| 548 | var method = s->upper
|
| 549 | echo $method
|
| 550 | ## status: 3
|
| 551 | ## stdout-json: ""
|
| 552 |
|
| 553 | #### d.key
|
| 554 | var d = {name: 'andy'}
|
| 555 | var x = d.name
|
| 556 | echo $x
|
| 557 | ## STDOUT:
|
| 558 | andy
|
| 559 | ## END
|
| 560 |
|
| 561 | #### a ++ b for string/list concatenation
|
| 562 | shopt -s parse_brace
|
| 563 |
|
| 564 | var i = 'abc'
|
| 565 | var j = 'de'
|
| 566 | var k = i ++ j
|
| 567 | echo string $k
|
| 568 |
|
| 569 |
|
| 570 | var a = [1, 2]
|
| 571 | var b = [3]
|
| 572 | var c = a ++ b
|
| 573 | echo list len=$[len(c)]
|
| 574 |
|
| 575 | echo ---
|
| 576 |
|
| 577 | try {
|
| 578 | = 'ab' ++ 3
|
| 579 | }
|
| 580 | echo Str Int $_status
|
| 581 |
|
| 582 | try {
|
| 583 | = [1, 2] ++ 3
|
| 584 | }
|
| 585 | echo List Int $_status
|
| 586 |
|
| 587 | try {
|
| 588 | = 3 ++ 'ab'
|
| 589 | }
|
| 590 | echo Int Str $_status
|
| 591 |
|
| 592 | ## STDOUT:
|
| 593 | string abcde
|
| 594 | list len=3
|
| 595 | ---
|
| 596 | Str Int 3
|
| 597 | List Int 3
|
| 598 | Int Str 3
|
| 599 | ## END
|
| 600 |
|
| 601 | #### s ~~ glob and s !~~ glob
|
| 602 | shopt -s oil:all
|
| 603 |
|
| 604 | if ('foo.py' ~~ '*.py') {
|
| 605 | echo yes
|
| 606 | }
|
| 607 | if ('foo.py' !~~ '*.sh') {
|
| 608 | echo no
|
| 609 | }
|
| 610 | ## STDOUT:
|
| 611 | yes
|
| 612 | no
|
| 613 | ## END
|
| 614 |
|
| 615 | #### Type Errors
|
| 616 | shopt --set parse_brace
|
| 617 |
|
| 618 | # TODO: It might be nice to get a message
|
| 619 | try {
|
| 620 | var x = {} + []
|
| 621 | }
|
| 622 | echo $_status
|
| 623 |
|
| 624 | try {
|
| 625 | setvar x = {} + 3
|
| 626 | }
|
| 627 | echo $_status
|
| 628 |
|
| 629 | try {
|
| 630 | = 'foo' ++ 3
|
| 631 | }
|
| 632 | echo $_status
|
| 633 |
|
| 634 | try {
|
| 635 | = 'foo' ++ 3
|
| 636 | }
|
| 637 | echo $_status
|
| 638 |
|
| 639 | ## STDOUT:
|
| 640 | 3
|
| 641 | 3
|
| 642 | 3
|
| 643 | 3
|
| 644 | ## END
|
| 645 |
|
| 646 |
|
| 647 | #### can't use ++ on integers
|
| 648 | var x = 12 ++ 3
|
| 649 | echo $x
|
| 650 | ## status: 3
|
| 651 | ## STDOUT:
|
| 652 | ## END
|
| 653 |
|
| 654 | #### can't do mystr ++ mylist
|
| 655 | = ["s"] + "t"
|
| 656 | ## status: 3
|
| 657 | ## STDOUT:
|
| 658 | ## END
|
| 659 |
|
| 660 |
|
| 661 | #### expression literals
|
| 662 | var e = ^[1 + 2]
|
| 663 |
|
| 664 | echo type=$[type(e)]
|
| 665 | echo $[evalExpr(e)]
|
| 666 |
|
| 667 | var e = ^[2 < 1]
|
| 668 | echo $[evalExpr(e)]
|
| 669 |
|
| 670 | var x = 42
|
| 671 | var e = ^[42 === x and true]
|
| 672 | echo $[evalExpr(e)]
|
| 673 |
|
| 674 | var mylist = ^[3, 4]
|
| 675 | pp line (evalExpr(mylist))
|
| 676 |
|
| 677 | ## STDOUT:
|
| 678 | type=Expr
|
| 679 | 3
|
| 680 | false
|
| 681 | true
|
| 682 | (List) [3,4]
|
| 683 | ## END
|
| 684 |
|
| 685 | #### No list comprehension in ^[]
|
| 686 |
|
| 687 | var mylist = ^[x for x in y]
|
| 688 | pp line (evalExpr(mylist))
|
| 689 |
|
| 690 | ## status: 2
|
| 691 | ## STDOUT:
|
| 692 | ## END
|
| 693 |
|
| 694 |
|
| 695 | #### expression literals, evaluation failure
|
| 696 | var e = ^[1 / 0]
|
| 697 | call evalExpr(e)
|
| 698 | ## status: 3
|
| 699 | ## STDOUT:
|
| 700 | ## END
|
| 701 |
|
| 702 | #### expression literals, lazy evaluation
|
| 703 | var x = 0
|
| 704 | var e = ^[x]
|
| 705 |
|
| 706 | setvar x = 1
|
| 707 | echo result=$[evalExpr(e)]
|
| 708 | ## STDOUT:
|
| 709 | result=1
|
| 710 | ## END
|
| 711 |
|
| 712 | #### expression literals, sugar for strings
|
| 713 | var x = 0
|
| 714 | var e = ^"x is $x"
|
| 715 |
|
| 716 | setvar x = 1
|
| 717 | echo result=$[evalExpr(e)]
|
| 718 | ## STDOUT:
|
| 719 | result=x is 1
|
| 720 | ## END
|