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first set of changes to eliminate array subscript double expansion in math contexts

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This commit is contained in:
Chet Ramey
2021-05-07 10:56:24 -04:00
parent 59c575fd91
commit 35bc7025c1
22 changed files with 797 additions and 77 deletions
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tests/array.right
+7 -10
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@@ -520,13 +520,11 @@ argv[1] = <y>
<X> <X> <X> <X>
./array23.sub: line 22: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
./array23.sub: line 23: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
foo
0
foo
foo
foo
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./array23.sub: line 34: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
./array23.sub: line 24: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
./array23.sub: line 26: $( echo >&2 foo ) : syntax error: operand expected (error token is "$( echo >&2 foo ) ")
./array23.sub: line 30: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
./array23.sub: line 33: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
./array23.sub: line 34: $index: syntax error: operand expected (error token is "$index")
./array23.sub: line 35: $( echo >&2 foo ): syntax error: operand expected (error token is "$( echo >&2 foo )")
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@@ -743,10 +741,9 @@ argv[1] = <b>
argv[2] = <a>
argv[1] = <b+a>
7
./array27.sub: line 24: a[]]=7 : syntax error: invalid arithmetic operator (error token is "]=7 ")
7
declare -A A=([$'\t']="2" [" "]="2" )
./array27.sub: line 36: ((: A[]]=2 : syntax error: invalid arithmetic operator (error token is "]=2 ")
declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["@"]="2" )
declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["]"]="2" ["@"]="2" )
declare -A A=([$'\t']="2" ["*"]="2" [" "]="2" ["]"]="2" ["@"]="2" )
./array27.sub: line 52: A[]]: bad array subscript
declare -A A=([$'\t']="X" ["*"]="X" [" "]="X" ["@"]="X" )