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https://github.com/RGBCube/serenity
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5e5eb615ec
Such errors are raised when SyntaxError nodes are executed, and are also used for internal control flow. The 'break' and 'continue' commands are currently only allowed inside for loops, and outside function bodies. This also adds a 'loop' keyword for infinite loops.
77 lines
1.6 KiB
Bash
77 lines
1.6 KiB
Bash
#!/bin/sh
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singlecommand_ok=yes
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multicommand_ok=yes
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inlineexec_ok=yes
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implicit_ok=yes
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infinite_ok=''
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break_ok=yes
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continue_ok=yes
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break_in_infinite_ok=''
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# Full form
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# Empty
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for x in () { }
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# Empty block but nonempty list
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for x in (1 2 3) { }
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# Single command in block
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for cmd in ((test 1 = 1) (test 2 = 2)) {
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$cmd || unset singlecommand_ok
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}
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# Multiple commands in block
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for cmd in ((test 1 = 1) (test 2 = 2)) {
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test -z "$cmd"
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test -z "$cmd" && unset multicommand_ok
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}
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# $(...) as iterable expression
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test_file=sh-test-1
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echo 1 > $test_file
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echo 2 >> $test_file
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echo 3 >> $test_file
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echo 4 >> $test_file
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lst=()
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for line in $(cat $test_file) {
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lst=($lst $line)
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}
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test "$lst" = "1 2 3 4" || unset inlineexec_ok
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rm $test_file
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# Implicit var
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for ((test 1 = 1) (test 2 = 2)) {
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$it || unset implicit_ok
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}
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# Infinite loop
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loop {
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infinite_ok=yes
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break
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unset break_ok
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}
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# 'Continue'
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for (1 2 3) {
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continue
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unset continue_ok
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}
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# 'break' in infinite external loop
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for $(yes) {
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break_in_infinite_ok=yes
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break
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}
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test $singlecommand_ok || echo Fail: Single command inside for body
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test $multicommand_ok || echo Fail: Multiple commands inside for body
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test $inlineexec_ok || echo Fail: Inline Exec
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test $implicit_ok || echo Fail: implicit iter variable
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test $infinite_ok || echo Fail: infinite loop
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test $break_ok || echo Fail: break
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test $continue_ok || echo Fail: continue
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test $break_in_infinite_ok || echo Fail: break from external infinite loop
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test "$singlecommand_ok $multicommand_ok $inlineexec_ok $implicit_ok $infinite_ok $break_ok $continue_ok $break_in_infinite_ok" = "yes yes yes yes yes yes yes yes" || exit 1
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