Fix

Author: ryuichiueda

src/elements/expr/arithmetic/parser.rs

@@ -84,10 +84,16 @@ impl ArithmeticExpr {
             if word.text.starts_with("\"") && word.text.ends_with("\"") {
                 let mut f = Feeder::new(&w);
                 if let Some(mut e) = ArithmeticExpr::parse(&mut f, core, false) {
-                    if e.elements.len() != 1 && f.len() == 0 {
-                        //ans.elements.push( ArithElem::InParen(e) );
-                        ans.elements.append( &mut e.elements );
-                        return true;
+                    if f.len() == 0 {
+                        if e.elements.len() != 1 {
+                            ans.elements.append( &mut e.elements );
+                            return true;
+                        }
+
+                        match &e.elements[0] {
+                            ArithElem::Word(w, _) => word = w.clone(),
+                            _ => {},
+                        }
                     }
                 }
             }

src/elements/expr/error

@@ -14,3 +14,8 @@
 ../../../test/test_others.bash
 ../../../test/test_others.bash
 ../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash

test/error

@@ -0,0 +1,5 @@
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash
+../../../test/test_others.bash

test/ok

@@ -5,3 +5,4 @@
 ./test_others.bash
 ./test_job.bash
 ../../../test/test_others.bash
+../../../test/test_others.bash

test/test_others.bash

@@ -612,6 +612,14 @@ res=$($com <<< 'A=1; echo $(("A"++ )); echo $A')
 [ "$res" == "1
 2" ] || err $LINENO
 
+res=$($com <<< 'A=1; echo $(("A "++ )); echo $A')
+[ "$res" == "1
+2" ] || err $LINENO
+
+res=$($com <<< 'A=1; echo $((" A"++ )); echo $A')
+[ "$res" == "1
+2" ] || err $LINENO
+
 res=$($com <<< 'A=1; echo $((++"A" )); echo $A')
 [ "$res" == "2
 2" ] || err $LINENO