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Improve 'let' parsing, trigger unused var for ((a=1))

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This commit is contained in:
Vidar Holen
2016-04-30 13:45:39 -07:00
parent 7551a241ad
commit 86999ded1f
4 changed files with 39 additions and 10 deletions
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5
ShellCheck/Analytics.hs
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@@ -2054,6 +2054,9 @@ prop_checkUnused26= verifyNotTree checkUnusedAssignments "declare -F foo"
prop_checkUnused27= verifyTree checkUnusedAssignments "var=3; [ var -eq 3 ]"
prop_checkUnused28= verifyNotTree checkUnusedAssignments "var=3; [[ var -eq 3 ]]"
prop_checkUnused29= verifyNotTree checkUnusedAssignments "var=(a b); declare -p var"
prop_checkUnused30= verifyTree checkUnusedAssignments "let a=1"
prop_checkUnused31= verifyTree checkUnusedAssignments "let 'a=1'"
prop_checkUnused32= verifyTree checkUnusedAssignments "let a=b=c; echo $a"
checkUnusedAssignments params t = execWriter (mapM_ warnFor unused)
where
flow = variableFlow params
@@ -2742,7 +2745,7 @@ checkLoopVariableReassignment params token =
T_ForIn _ s _ _ -> return s
T_ForArithmetic _
(TA_Sequence _
[TA_Binary _ "="
[TA_Assignment _ "="
(TA_Expansion _ [T_Literal _ var]) _])
_ _ _ -> return var
_ -> fail "not loop"