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| author |   Mu Qiao <qiaomuf@gentoo.org> | 2012-02-29 16:08:04 +0800 |
|---|---|---|
| committer | Mu Qiao <qiaomuf@gentoo.org> | 2012-02-29 16:08:04 +0800 |
| commit | d418891be2a8428a4b1edc82a7b964b0c6b34d6e (patch) | |
| tree | 6767b406f21a4f98a924e8d5aba92b52a43d6523 | |
| parent | Parser&Walker: allow multiple arithmetic expressions (diff) | |
| download | libbash-d418891be2a8428a4b1edc82a7b964b0c6b34d6e.tar.gz libbash-d418891be2a8428a4b1edc82a7b964b0c6b34d6e.tar.bz2 libbash-d418891be2a8428a4b1edc82a7b964b0c6b34d6e.zip | |
Parser: allow double quotes in arithmetic expression
| -rw-r--r-- | bashast/bashast.g | 2 | ||||
| -rw-r--r-- | scripts/binary_arithmetic.bash | 6 | ||||
| -rw-r--r-- | scripts/compound_command.bash | 5 |
3 files changed, 12 insertions, 1 deletions
diff --git a/bashast/bashast.g b/bashast/bashast.g index ded2fab..0be9b46 100644 --- a/bashast/bashast.g +++ b/bashast/bashast.g @@ -1005,7 +1005,7 @@ primary | arithmetic_expansion | LPAREN! (arithmetics) RPAREN!; pre_post_primary - : primary; + : DQUOTE!? primary DQUOTE!?; post_inc_dec : pre_post_primary ((BLANK) => BLANK)? ( diff --git a/scripts/binary_arithmetic.bash b/scripts/binary_arithmetic.bash index c5f018c..db7dcb7 100644 --- a/scripts/binary_arithmetic.bash +++ b/scripts/binary_arithmetic.bash @@ -70,3 +70,9 @@ echo "$((0&&FOO059++))" echo "$(( 1 == 2))" echo "$(( 1 == 1))" echo $(($((1)))) +(( a= "1+ 1"*2)) +echo $a +FOO="3 * 2" +echo $(( $FOO + 1 )) +FOO="3, b = 2" +echo $(( $FOO + 1 )) diff --git a/scripts/compound_command.bash b/scripts/compound_command.bash index 0db8ff8..0d3321e 100644 --- a/scripts/compound_command.bash +++ b/scripts/compound_command.bash @@ -356,3 +356,8 @@ for((i=1,j=2;i!=2&&j!=4;++i)) do echo $i $j done +python_versions=(2.6 2.7 3.0 3.1) +for ((i = "${#python_versions[@]}"; i >= 0; i--)) +do + echo $i +done |