[1/22] cxx asan '' cpp/fanos.cc _build/obj/cxx-asan/cpp/fanos.o
[2/22] cxx asan '' cpp/libc.cc _build/obj/cxx-asan/cpp/libc.o
[3/22] cxx asan '' cpp/frontend_pyreadline.cc _build/obj/cxx-asan/cpp/frontend_pyreadline.o
[4/22] cxx asan '' cpp/frontend_flag_spec.cc _build/obj/cxx-asan/cpp/frontend_flag_spec.o
[5/22] cxx asan '' cpp/core.cc _build/obj/cxx-asan/cpp/core.o
[6/22] cxx asan '' cpp/osh_tdop.cc _build/obj/cxx-asan/cpp/osh_tdop.o
[7/22] cxx asan '' cpp/osh.cc _build/obj/cxx-asan/cpp/osh.o
[8/22] cxx asan '' cpp/pylib.cc _build/obj/cxx-asan/cpp/pylib.o
[9/22] cxx asan '' _gen/data_lang/nil8.asdl.cc _build/obj/cxx-asan/_gen/data_lang/nil8.asdl.o
[10/22] cxx asan '' cpp/pgen2.cc _build/obj/cxx-asan/cpp/pgen2.o
[11/22] cxx asan '' cpp/frontend_match.cc _build/obj/cxx-asan/cpp/frontend_match.o
[12/22] cxx asan '' _gen/data_lang/pretty.asdl.cc _build/obj/cxx-asan/_gen/data_lang/pretty.asdl.o
[13/22] cxx asan '' cpp/stdlib.cc _build/obj/cxx-asan/cpp/stdlib.o
[14/22] cxx asan '' _gen/frontend/arg_types.cc _build/obj/cxx-asan/_gen/frontend/arg_types.o
[15/22] cxx asan '' _gen/frontend/signal.cc _build/obj/cxx-asan/_gen/frontend/signal.o
[16/22] cxx asan '' _gen/osh/arith_parse.cc _build/obj/cxx-asan/_gen/osh/arith_parse.o
[17/22] cxx asan '' _gen/frontend/consts.cc _build/obj/cxx-asan/_gen/frontend/consts.o
[18/22] cxx asan '' _gen/frontend/help_meta.cc _build/obj/cxx-asan/_gen/frontend/help_meta.o
[19/22] cxx asan '' _gen/ysh/grammar_tables.cc _build/obj/cxx-asan/_gen/ysh/grammar_tables.o
[20/22] cxx asan '' _gen/bin/oils_for_unix.mycpp.cc _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o
[21/22] LINK cxx asan '' _bin/cxx-asan/oils-for-unix _build/obj/cxx-asan/_gen/bin/oils_for_unix.mycpp.o _build/obj/cxx-asan/_gen/bin/text_files.o _build/obj/cxx-asan/_gen/core/runtime.asdl.o _build/obj/cxx-asan/_gen/core/value.asdl.o _build/obj/cxx-asan/_gen/cpp/build_stamp.o _build/obj/cxx-asan/cpp/core.o _build/obj/cxx-asan/cpp/data_lang.o _build/obj/cxx-asan/cpp/fanos.o _build/obj/cxx-asan/cpp/fanos_shared.o _build/obj/cxx-asan/cpp/frontend_flag_spec.o _build/obj/cxx-asan/cpp/frontend_match.o _build/obj/cxx-asan/cpp/frontend_pyreadline.o _build/obj/cxx-asan/cpp/libc.o _build/obj/cxx-asan/cpp/osh.o _build/obj/cxx-asan/cpp/osh_tdop.o _build/obj/cxx-asan/cpp/pgen2.o _build/obj/cxx-asan/cpp/pylib.o _build/obj/cxx-asan/cpp/stdlib.o _build/obj/cxx-asan/_gen/data_lang/nil8.asdl.o _build/obj/cxx-asan/_gen/data_lang/pretty.asdl.o _build/obj/cxx-asan/_gen/frontend/arg_types.o _build/obj/cxx-asan/_gen/frontend/consts.o _build/obj/cxx-asan/_gen/frontend/help_meta.o _build/obj/cxx-asan/_gen/frontend/id_kind.asdl.o _build/obj/cxx-asan/_gen/frontend/signal.o _build/obj/cxx-asan/_gen/frontend/syntax.asdl.o _build/obj/cxx-asan/mycpp/bump_leak_heap.o _build/obj/cxx-asan/mycpp/gc_builtins.o _build/obj/cxx-asan/mycpp/gc_mops.o _build/obj/cxx-asan/mycpp/gc_mylib.o _build/obj/cxx-asan/mycpp/gc_str.o _build/obj/cxx-asan/mycpp/hash.o _build/obj/cxx-asan/mycpp/mark_sweep_heap.o _build/obj/cxx-asan/_gen/osh/arith_parse.o _build/obj/cxx-asan/_gen/ysh/grammar_tables.o
[22/22] SYMLINK _bin/cxx-asan oils-for-unix osh
'osh' -> 'oils-for-unix'

///
/// Cases in Files
///


===== CASE: FILE test/parse-errors/01-bad-func.sh =====

  foo (,)
       ^
test/parse-errors/01-bad-func.sh:15: Syntax error in expression (near Id.Arith_Comma)

===== CASE: FILE test/parse-errors/02-bad-func.sh =====

  foo()
         ^
test/parse-errors/02-bad-func.sh:3: Unexpected word while parsing compound command (Id.Eof_Real)

===== CASE: FILE test/parse-errors/05-unterminated-single.sh =====

A
B
  echo 'C
       ^
test/parse-errors/05-unterminated-single.sh:5: Unexpected EOF in single-quoted string that began here

===== CASE: FILE test/parse-errors/06-unterminated-double-long.sh =====

A
B
  echo 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789 "
                                                                                               ^
test/parse-errors/06-unterminated-double-long.sh:9: Unexpected EOF reading double-quoted string that began here

===== CASE: FILE test/parse-errors/06-unterminated-double.sh =====

A
B
  echo "0123456789 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789 0123456789
       ^
test/parse-errors/06-unterminated-double.sh:6: Unexpected EOF reading double-quoted string that began here

===== CASE: FILE test/parse-errors/07-unterminated-here-doc-2.sh =====

  cat << "$@"
         ^
test/parse-errors/07-unterminated-here-doc-2.sh:2: Invalid here doc delimiter

===== CASE: FILE test/parse-errors/07-unterminated-here-doc.sh =====

  cat <<EOF
      ^~
test/parse-errors/07-unterminated-here-doc.sh:5: Couldn't find terminator for here doc that starts here

///
/// Cases in Functions, with strings
///

*** Running test-append

===== CASE: -n -c a[-1]+=(4 5) =====


  a[-1]+=(4 5)
         ^
[ -c flag ]:1: Unexpected left paren (might need a space before it)
OK  test-append
*** Running test-args-parse-builtin

===== CASE: -c read -x =====


  read -x
       ^~
[ -c flag ]:1: 'read' doesn't accept flag -x

===== CASE: -c builtin read -x =====


  builtin read -x
               ^~
[ -c flag ]:1: 'read' doesn't accept flag -x

===== CASE: -c read -n =====


  read -n
       ^~
[ -c flag ]:1: 'read' expected argument to '-n'

===== CASE: -c read -n x =====


  read -n x
          ^
[ -c flag ]:1: 'read' expected integer after -n, got 'x'

===== CASE: -c set -o errexit +o oops =====


  set -o errexit +o oops
  ^~~
[ -c flag ]:1: 'set' got invalid option 'oops'
OK  test-args-parse-builtin
*** Running test-args-parse-more

===== CASE: -c set -z =====


  set -z
      ^~
[ -c flag ]:1: 'set' got invalid flag '-z'

===== CASE: -c shopt -s foo =====


  shopt -s foo
  ^~~~~
[ -c flag ]:1: 'shopt' got invalid option 'foo'

===== CASE: -c shopt -z =====


  shopt -z
        ^~
[ -c flag ]:1: 'shopt' doesn't accept flag -z
OK  test-args-parse-more
*** Running test-arith-context

===== CASE: -n -c a[x+]=1 =====


  a[x+]=1
      ^
[ array LHS in [ -c flag ] ]:1: Unexpected end of input

===== CASE: -c eval a[x+]=1 =====


  a[x+]=1
      ^
[ array LHS in [ eval word at line 1 of [ -c flag ] ] ]:1: Unexpected end of input

===== CASE: -n -c a[]=1 =====


  a[]=1
    ^
[ array LHS in [ -c flag ] ]:1: Unexpected end of input

===== CASE: -n -c a[*]=1 =====


  a[*]=1
    ^
[ array LHS in [ -c flag ] ]:1: Token can't be used in prefix position

===== CASE: -n -c (( a + { )) =====


  (( a + { ))
         ^
[ -c flag ]:1: Unexpected token while parsing arithmetic: '{'

===== CASE: -n -c (( a + } )) =====


  (( a + } ))
         ^
[ -c flag ]:1: Token can't be used in prefix position
OK  test-arith-context
*** Running test-arith-expr

===== CASE: -n -c $(( 1 + + )) =====


  $(( 1 + + ))
            ^
[ -c flag ]:1: Token can't be used in prefix position

===== CASE: -n -c $(( 1 2 )) =====


  $(( 1 2 ))
        ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RParen)

===== CASE: -n -c $(( - ; )) =====


  $(( - ; ))
        ^
[ -c flag ]:1: Token can't be used in prefix position

===== CASE: -n -c $(( ` )) =====


  $(( ` ))
      ^
[ -c flag ]:1: Unexpected EOF while looking for closing backtick

===== CASE: -n -c $(( $ )) =====


  $(( $ ))
      ^
[ -c flag ]:1: Unexpected token while parsing arithmetic: '$'

===== CASE: -n -c $(( x+1 = 42 )) =====


  $(( x+1 = 42 ))
          ^
[ -c flag ]:1: Left-hand side of this assignment is invalid

===== CASE: -n -c $(( (x+42)++ )) =====


  $(( (x+42)++ ))
            ^~
[ -c flag ]:1: Left-hand side of this assignment is invalid

===== CASE: -n -c $(( ++(x+42) )) =====


  $(( ++(x+42) ))
      ^~
[ -c flag ]:1: Left-hand side of this assignment is invalid
OK  test-arith-expr
*** Running test-arith-integration

===== CASE: -n -c echo $((a b)) =====


  echo $((a b))
            ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RParen)

===== CASE: -n -c ((a b)) =====


  ((a b))
      ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RParen)

===== CASE: -n -c for ((x=0; x<5; x++)); do echo $x; done =====


(command.ForExpr
  keyword: 
    (Token
      id: Id.KW_For
      length: 3
      col: 0
      line: (SourceLine line_num:1 content:"for ((x=0; x<5; x++)); do echo $x; done" src:(source.CFlag))
    )
  init: 
    (arith_expr.BinaryAssign
      op_id: Id.Arith_Equal
      left: (Token id:Id.Lit_ArithVarLike length:1 col:6 line:...0x1402)
      right: (CompoundWord parts:[(Token id:Id.Lit_Digits length:1 col:8 line:...0x1402)])
    )
  cond: 
    (arith_expr.Binary
      op: (Token id:Id.Arith_Less length:1 col:12 line:...0x1402)
      left: (Token id:Id.Lit_ArithVarLike length:1 col:11 line:...0x1402)
      right: (CompoundWord parts:[(Token id:Id.Lit_Digits length:1 col:13 line:...0x1402)])
    )
  update: 
    (arith_expr.UnaryAssign
      op_id: Id.Node_PostDPlus
      child: (Token id:Id.Lit_ArithVarLike length:1 col:16 line:...0x1402)
    )
  body: 
    (command.DoGroup
      left: (Token id:Id.KW_Do length:2 col:23 line:...0x1402)
      children: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:26 line:...0x1402)
              more_env: []
              words: [
                (CompoundWord parts:[...0x137a])
                (CompoundWord
                  parts: [
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:2 col:31 line:...0x1402)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:33 line:...0x1402)
        )
      ]
      right: (Token id:Id.KW_Done length:4 col:35 line:...0x1402)
    )
)

===== CASE: -n -c for ((; x<5; x++)); do echo $x; done =====


(command.ForExpr
  keyword: 
    (Token
      id: Id.KW_For
      length: 3
      col: 0
      line: (SourceLine line_num:1 content:"for ((; x<5; x++)); do echo $x; done" src:(source.CFlag))
    )
  init: ...0x3ffffffc
  cond: 
    (arith_expr.Binary
      op: (Token id:Id.Arith_Less length:1 col:9 line:...0x1402)
      left: (Token id:Id.Lit_ArithVarLike length:1 col:8 line:...0x1402)
      right: (CompoundWord parts:[(Token id:Id.Lit_Digits length:1 col:10 line:...0x1402)])
    )
  update: 
    (arith_expr.UnaryAssign
      op_id: Id.Node_PostDPlus
      child: (Token id:Id.Lit_ArithVarLike length:1 col:13 line:...0x1402)
    )
  body: 
    (command.DoGroup
      left: (Token id:Id.KW_Do length:2 col:20 line:...0x1402)
      children: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:23 line:...0x1402)
              more_env: []
              words: [
                (CompoundWord parts:[...0x1392])
                (CompoundWord
                  parts: [
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:2 col:28 line:...0x1402)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:30 line:...0x1402)
        )
      ]
      right: (Token id:Id.KW_Done length:4 col:32 line:...0x1402)
    )
)

===== CASE: -n -c for ((; ; x++)); do echo $x; done =====


(command.ForExpr
  keyword: 
    (Token
      id: Id.KW_For
      length: 3
      col: 0
      line: (SourceLine line_num:1 content:"for ((; ; x++)); do echo $x; done" src:(source.CFlag))
    )
  init: ...0x3ffffffc
  cond: ...0x3ffffffc
  update: 
    (arith_expr.UnaryAssign
      op_id: Id.Node_PostDPlus
      child: (Token id:Id.Lit_ArithVarLike length:1 col:10 line:...0x1402)
    )
  body: 
    (command.DoGroup
      left: (Token id:Id.KW_Do length:2 col:17 line:...0x1402)
      children: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:20 line:...0x1402)
              more_env: []
              words: [
                (CompoundWord parts:[...0x13aa])
                (CompoundWord
                  parts: [
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:2 col:25 line:...0x1402)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:27 line:...0x1402)
        )
      ]
      right: (Token id:Id.KW_Done length:4 col:29 line:...0x1402)
    )
)

===== CASE: -n -c for ((; ;)); do echo $x; done =====


(command.ForExpr
  keyword: 
    (Token
      id: Id.KW_For
      length: 3
      col: 0
      line: (SourceLine line_num:1 content:"for ((; ;)); do echo $x; done" src:(source.CFlag))
    )
  init: ...0x3ffffffc
  cond: ...0x3ffffffc
  update: ...0x3ffffffc
  body: 
    (command.DoGroup
      left: (Token id:Id.KW_Do length:2 col:13 line:...0x13fe)
      children: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:16 line:...0x13fe)
              more_env: []
              words: [
                (CompoundWord parts:[...0x13b6])
                (CompoundWord
                  parts: [
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:2 col:21 line:...0x13fe)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:23 line:...0x13fe)
        )
      ]
      right: (Token id:Id.KW_Done length:4 col:25 line:...0x13fe)
    )
)

===== CASE: -n -c for ((x=0; x<5; x++ b)); do echo $x; done =====


  for ((x=0; x<5; x++ b)); do echo $x; done
                      ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RParen)

===== CASE: -n -c for ((x=0 b; x<5; x++)); do echo $x; done =====


  for ((x=0 b; x<5; x++)); do echo $x; done
            ^
[ -c flag ]:1: Expected ; here

===== CASE: -n -c for ((x=0; x<5 b; x++)); do echo $x; done =====


  for ((x=0; x<5 b; x++)); do echo $x; done
                 ^
[ -c flag ]:1: Expected ; here

===== CASE: -n -c ${a:1+2 b} =====


  ${a:1+2 b}
           ^
[ -c flag ]:1: Expected : or } in slice

===== CASE: -n -c ${a:1+2:3+4 b} =====


  ${a:1+2:3+4 b}
              ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RBrace)

===== CASE: -n -c ${a[1+2 b]} =====


  ${a[1+2 b]}
          ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Word_Compound != Id.Arith_RBracket)
OK  test-arith-integration
*** Running test-arith-sub

===== CASE: -n -c echo $(( )) =====


(command.Simple
  blame_tok: (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo $(( ))" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (word_part.ArithSub
          left: (Token id:Id.Left_DollarDParen length:3 col:5 line:...0x13fa)
          anode: ...0x3ffffffc
          right: (Token id:Id.Right_DollarDParen length:1 col:10 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo $(()) =====


(command.Simple
  blame_tok: (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo $(())" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (word_part.ArithSub
          left: (Token id:Id.Left_DollarDParen length:3 col:5 line:...0x13fa)
          anode: ...0x3ffffffc
          right: (Token id:Id.Right_DollarDParen length:1 col:9 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo $(()x =====


  echo $(()x
           ^
[ -c flag ]:1: Expected second ) to end arith sub

===== CASE: -n -c echo $(() =====


  echo $(()
           ^
[ -c flag ]:1: Expected second ) to end arith sub

===== CASE: -n -c echo $(( 1 + 2 ; =====


  echo $(( 1 + 2 ;
                 ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Arith_Semi != Id.Arith_RParen)

===== CASE: -n -c echo $(( 1 + 2 ); =====


  echo $(( 1 + 2 );
                  ^
[ -c flag ]:1: Expected second ) to end arith sub

===== CASE: -n -c echo $((  =====


  echo $((
           ^
[ -c flag ]:1: Unexpected end of input

===== CASE: -n -c echo $(( 1 =====


  echo $(( 1
            ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Eof_Real != Id.Arith_RParen)
OK  test-arith-sub
*** Running test-array-literal

===== CASE: -n -c a=(1 & 2) =====


  a=(1 & 2)
       ^
[ -c flag ]:1: Unexpected token in array literal

===== CASE: -n -c a= (1 2) =====


  a= (1 2)
    ^
[ -c flag ]:1: Expected ( after =

===== CASE: -n -c a=(1 2 =====


  a=(1 2
        ^
[ -c flag ]:1: Unexpected token in array literal

===== CASE: -n -c a=(1 ${2@} ) =====


  a=(1 ${2@} )
          ^
[ -c flag ]:1: Unexpected token in ${} (VOp3)
OK  test-array-literal
*** Running test-bool-expr

===== CASE: -n -c [[ a b ]] =====


  [[ a b ]]
       ^
[ -c flag ]:1: Expected ]]

===== CASE: -n -c [[ a "a"$(echo hi)"b" ]] =====


  [[ a "a"$(echo hi)"b" ]]
       ^
[ -c flag ]:1: Expected ]]

===== CASE: -n -c [[ a == ]] =====


  [[ a == ]]
            ^
[ -c flag ]:1: Expected ]]

===== CASE: -n -c [[ ( 1 == 2 - ]] =====


  [[ ( 1 == 2 - ]]
              ^
[ -c flag ]:1: Expected ), got word.Compound

===== CASE: -n -c [[ == ]] =====


  [[ == ]]
     ^~
[ -c flag ]:1: Unexpected token in boolean expression (Id.BoolBinary_GlobDEqual)

===== CASE: -n -c [[ ) ]] =====


  [[ ) ]]
     ^
[ -c flag ]:1: Unexpected token in boolean expression (Id.Op_RParen)

===== CASE: -n -c [[ ( ]] =====


  [[ ( ]]
       ^~
[ -c flag ]:1: Unexpected token in boolean expression (Id.Lit_DRightBracket)

===== CASE: -n -c [[ ;;; ]] =====


  [[ ;;; ]]
     ^~
[ -c flag ]:1: Unexpected token in boolean expression (Id.Op_DSemi)

===== CASE: -n -c [[ =====


  [[
    ^
[ -c flag ]:1: Unexpected token in boolean expression (Id.Eof_Real)

===== CASE: -n -c [[ ( a == b foo${var} ]] =====


  [[ ( a == b foo${var} ]]
              ^~~
[ -c flag ]:1: Expected ), got word.Compound
OK  test-bool-expr
*** Running test-braced-var-sub

===== CASE: -n -c echo ${x*} =====


  echo ${x*}
          ^
[ -c flag ]:1: Unexpected token in ${} (VOp3)

===== CASE: -n -c echo ${x@} =====


  echo ${x@}
          ^
[ -c flag ]:1: Unexpected token in ${} (VOp3)

===== CASE: -n -c echo ${x.} =====


  echo ${x.}
          ^
[ -c flag ]:1: Expected } to close ${
OK  test-braced-var-sub
*** Running test-case
--- test-case YES case $x in foo) echo
esac

===== CASE: -n -c case $x in foo) echo
esac =====


(command.Case
  case_kw: 
    (Token
      id: Id.KW_Case
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"case $x in foo) echo\n" src:(source.CFlag))
    )
  to_match: 
    (case_arg.Word
      w: 
        (CompoundWord
          parts: [(SimpleVarSub tok:(Token id:Id.VSub_DollarName length:2 col:5 line:...0x13f6))]
        )
    )
  arms_start: (Token id:Id.KW_In length:2 col:8 line:...0x13f6)
  arms: [
    (CaseArm
      left: (Token id:Id.Lit_Chars length:3 col:11 line:...0x13f6)
      pattern: (pat.Words words:[(CompoundWord parts:[...0x13c6])])
      middle: (Token id:Id.Right_CasePat length:1 col:14 line:...0x13f6)
      action: [
        (command.Simple
          blame_tok: (Token id:Id.Lit_Chars length:4 col:16 line:...0x13f6)
          more_env: []
          words: [(CompoundWord parts:[...0x13aa])]
          do_fork: T
        )
      ]
    )
  ]
  arms_end: 
    (Token
      id: Id.KW_Esac
      length: 4
      col: 0
      line: (SourceLine line_num:2 content:esac src:...0x3ffffffc)
    )
)

bash=0
--- test-case YES case $x in foo) echo ;; esac

===== CASE: -n -c case $x in foo) echo ;; esac =====


(command.Case
  case_kw: 
    (Token
      id: Id.KW_Case
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"case $x in foo) echo ;; esac" src:(source.CFlag))
    )
  to_match: 
    (case_arg.Word
      w: 
        (CompoundWord
          parts: [(SimpleVarSub tok:(Token id:Id.VSub_DollarName length:2 col:5 line:...0x13fe))]
        )
    )
  arms_start: (Token id:Id.KW_In length:2 col:8 line:...0x13fe)
  arms: [
    (CaseArm
      left: (Token id:Id.Lit_Chars length:3 col:11 line:...0x13fe)
      pattern: (pat.Words words:[(CompoundWord parts:[...0x13ce])])
      middle: (Token id:Id.Right_CasePat length:1 col:14 line:...0x13fe)
      action: [
        (command.Simple
          blame_tok: (Token id:Id.Lit_Chars length:4 col:16 line:...0x13fe)
          more_env: []
          words: [(CompoundWord parts:[...0x13b2])]
          do_fork: T
        )
      ]
      right: (Token id:Id.Op_DSemi length:2 col:21 line:...0x13fe)
    )
  ]
  arms_end: (Token id:Id.KW_Esac length:4 col:24 line:...0x13fe)
)

bash=0
--- test-case YES case $x in foo) echo ;& esac

===== CASE: -n -c case $x in foo) echo ;& esac =====


(command.Case
  case_kw: 
    (Token
      id: Id.KW_Case
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"case $x in foo) echo ;& esac" src:(source.CFlag))
    )
  to_match: 
    (case_arg.Word
      w: 
        (CompoundWord
          parts: [(SimpleVarSub tok:(Token id:Id.VSub_DollarName length:2 col:5 line:...0x13fe))]
        )
    )
  arms_start: (Token id:Id.KW_In length:2 col:8 line:...0x13fe)
  arms: [
    (CaseArm
      left: (Token id:Id.Lit_Chars length:3 col:11 line:...0x13fe)
      pattern: (pat.Words words:[(CompoundWord parts:[...0x13ce])])
      middle: (Token id:Id.Right_CasePat length:1 col:14 line:...0x13fe)
      action: [
        (command.Simple
          blame_tok: (Token id:Id.Lit_Chars length:4 col:16 line:...0x13fe)
          more_env: []
          words: [(CompoundWord parts:[...0x13b2])]
          do_fork: T
        )
      ]
      right: (Token id:Id.Op_SemiAmp length:2 col:21 line:...0x13fe)
    )
  ]
  arms_end: (Token id:Id.KW_Esac length:4 col:24 line:...0x13fe)
)

bash=0
--- test-case YES case $x in foo) echo ;;& esac

===== CASE: -n -c case $x in foo) echo ;;& esac =====


(command.Case
  case_kw: 
    (Token
      id: Id.KW_Case
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"case $x in foo) echo ;;& esac" src:(source.CFlag))
    )
  to_match: 
    (case_arg.Word
      w: 
        (CompoundWord
          parts: [(SimpleVarSub tok:(Token id:Id.VSub_DollarName length:2 col:5 line:...0x13fe))]
        )
    )
  arms_start: (Token id:Id.KW_In length:2 col:8 line:...0x13fe)
  arms: [
    (CaseArm
      left: (Token id:Id.Lit_Chars length:3 col:11 line:...0x13fe)
      pattern: (pat.Words words:[(CompoundWord parts:[...0x13ce])])
      middle: (Token id:Id.Right_CasePat length:1 col:14 line:...0x13fe)
      action: [
        (command.Simple
          blame_tok: (Token id:Id.Lit_Chars length:4 col:16 line:...0x13fe)
          more_env: []
          words: [(CompoundWord parts:[...0x13b2])]
          do_fork: T
        )
      ]
      right: (Token id:Id.Op_DSemiAmp length:3 col:21 line:...0x13fe)
    )
  ]
  arms_end: (Token id:Id.KW_Esac length:4 col:25 line:...0x13fe)
)

bash=0
--- test-case NO ;&

===== CASE: -n -c ;& =====


  ;&
  ^~
[ -c flag ]:1: Invalid word while parsing command
bash: -c: line 0: syntax error near unexpected token `;&'
bash: -c: line 0: `;&'
bash=1
--- test-case NO echo ;&

===== CASE: -n -c echo ;& =====


  echo ;&
       ^~
[ -c flag ]:1: Invalid word while parsing command line (Id.Op_SemiAmp)
bash: -c: line 0: syntax error near unexpected token `;&'
bash: -c: line 0: `echo ;&'
bash=1
--- test-case NO echo ;;&

===== CASE: -n -c echo ;;& =====


  echo ;;&
       ^~~
[ -c flag ]:1: Invalid word while parsing command line (Id.Op_DSemiAmp)
bash: -c: line 0: syntax error near unexpected token `;;&'
bash: -c: line 0: `echo ;;&'
bash=1
OK  test-case
*** Running test-cmd-parse

===== CASE: -n -c FOO=1 break =====


  FOO=1 break
  ^~~~
[ -c flag ]:1: Control flow shouldn't have environment bindings

===== CASE: -n -c break 1 2 =====


  break 1 2
          ^
[ -c flag ]:1: Unexpected argument to 'break'

===== CASE: -n -c x"y"() { echo hi; } =====


  x"y"() { echo hi; }
  ^
[ -c flag ]:1: Invalid function name

===== CASE: -n -c function x"y" { echo hi; } =====


  function x"y" { echo hi; }
           ^
[ -c flag ]:1: Invalid KSH-style function name

===== CASE: -n -c } =====


  }
  ^
[ -c flag ]:1: Unexpected right brace

===== CASE: -n -c case foo in *) echo  =====


  case foo in *) echo
                      ^
[ -c flag ]:1: Expected ;; or esac

===== CASE: -n -c case foo in x|) echo  =====


  case foo in x|) echo
                ^
[ -c flag ]:1: Expected case pattern

===== CASE: -n -c ls foo| =====


  ls foo|
         ^
[ -c flag ]:1: Unexpected EOF while parsing command

===== CASE: -n -c ls foo&& =====


  ls foo&&
          ^
[ -c flag ]:1: Unexpected EOF while parsing command

===== CASE: -n -c foo() =====


  foo()
       ^
[ -c flag ]:1: Unexpected word while parsing compound command (Id.Eof_Real)

===== CASE: -n -c break >out =====


(command.ControlFlow
  keyword: 
    (Token
      id: Id.ControlFlow_Break
      length: 5
      col: 0
      line: (SourceLine line_num:1 content:"break >out" src:(source.CFlag))
    )
)

===== CASE: -n -c break >out =====


  break >out
  ^~~~~
[ -c flag ]:1: Control flow shouldn't have redirects

===== CASE: -n -c [ ( x ] =====


  [ ( x ]
        ^
[ -c flag ]:1: Syntax error in expression (near Id.Op_RBracket)
OK  test-cmd-parse
*** Running test-command-sub

===== CASE: -n -c  
    echo line 2
    echo $( echo  =====


      echo $( echo
                   ^
[ -c flag ]:3: Invalid word while parsing command list

===== CASE: -n -c  
    echo line 2
    echo ` echo  =====


      echo ` echo
           ^
[ -c flag ]:3: Unexpected EOF while looking for closing backtick

===== CASE: -n -c 
    echo line 2
    echo ` echo \`  =====


      echo ` echo \`
           ^
[ -c flag ]:3: Unexpected EOF while looking for closing backtick

===== CASE: -n -c 
    echo line 2
    echo ` echo \`unclosed `  =====


      echo ` echo \`unclosed `
                  ^
[ backticks in [ -c flag ] ]:3: Unexpected EOF while looking for closing backtick

===== CASE: -n -c echo `for x in` =====


  echo `for x in`
                ^
[ backticks in [ -c flag ] ]:1: Invalid word in for loop
OK  test-command-sub
*** Running test-dparen

===== CASE: -n -c (()) =====


(command.DParen
  left: (Token id:Id.Op_DLeftParen length:2 col:0 line:(SourceLine line_num:1 content:"(())" src:(source.CFlag)))
  child: ...0x3ffffffc
  right: (Token id:Id.Op_DRightParen length:1 col:3 line:...0x13fe)
)

===== CASE: -n -c (( )) =====


(command.DParen
  left: (Token id:Id.Op_DLeftParen length:2 col:0 line:(SourceLine line_num:1 content:"(( ))" src:(source.CFlag)))
  child: ...0x3ffffffc
  right: (Token id:Id.Op_DRightParen length:1 col:4 line:...0x13fe)
)

===== CASE: -n -c (( ) =====


  (( )
      ^
[ -c flag ]:1: Expected second ) to end arith statement

===== CASE: -n -c (( )x =====


  (( )x
      ^
[ -c flag ]:1: Expected second ) to end arith statement

===== CASE: -n -c $(echo $(( 1 + 2 ))) =====


(command.Simple
  blame_tok: 
    (Token
      id: Id.Left_DollarParen
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"$(echo $(( 1 + 2 )))" src:(source.CFlag))
    )
  more_env: []
  words: [
    (CompoundWord
      parts: [
        (CommandSub
          left_token: ...0x13f2
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:2 line:...0x13fa)
              more_env: []
              words: [
                (CompoundWord parts:[...0x13e6])
                (CompoundWord
                  parts: [
                    (word_part.ArithSub
                      left: (Token id:Id.Left_DollarDParen length:3 col:7 line:...0x13fa)
                      anode: 
                        (arith_expr.Binary
                          op: (Token id:Id.Arith_Plus length:1 col:13 line:...0x13fa)
                          left: 
                            (CompoundWord
                              parts: [(Token id:Id.Lit_Digits length:1 col:11 line:...0x13fa)]
                            )
                          right: 
                            (CompoundWord
                              parts: [(Token id:Id.Lit_Digits length:1 col:15 line:...0x13fa)]
                            )
                        )
                      right: (Token id:Id.Right_DollarDParen length:1 col:18 line:...0x13fa)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          right: (Token id:Id.Eof_RParen length:1 col:19 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c $( (())) =====


(command.Simple
  blame_tok: 
    (Token id:Id.Left_DollarParen length:2 col:0 line:(SourceLine line_num:1 content:"$( (()))" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord
      parts: [
        (CommandSub
          left_token: ...0x13f2
          child: 
            (command.DParen
              left: (Token id:Id.Op_DLeftParen length:2 col:3 line:...0x13fa)
              child: ...0x3ffffffc
              right: (Token id:Id.Op_DRightParen length:1 col:6 line:...0x13fa)
            )
          right: (Token id:Id.Eof_RParen length:1 col:7 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c (( 1 + 2 / =====


  (( 1 + 2 /
            ^
[ -c flag ]:1: Unexpected end of input

===== CASE: -n -c (( 1 + 2 )/ =====


  (( 1 + 2 )/
            ^
[ -c flag ]:1: Expected second ) to end arith statement

===== CASE: -n -c (( 1 =====


  (( 1
      ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Eof_Real != Id.Arith_RParen)

===== CASE: -n -c (( =====


  ((
    ^
[ -c flag ]:1: Unexpected end of input
OK  test-dparen
*** Running test-eval_parse_error

===== CASE: -c 
  x="echo )"
  eval $x
   =====


  echo )
       ^
[ eval word at line 3 of [ -c flag ] ]:1

    eval $x
    ^~~~
[ -c flag ]:3: Invalid word while parsing command line (Id.Op_RParen)
OK  test-eval_parse_error
*** Running test-extra-newlines

===== CASE: -n -c 
  for
  do
  done
   =====


    for
       ^
[ -c flag ]:2: Expected loop variable (a constant word)

===== CASE: -n -c 
  case
  in esac
   =====


    case
        ^
[ -c flag ]:2: Expected a word to match against

===== CASE: -n -c 
  while
  do
  done
   =====


    do
    ^~
[ -c flag ]:3: Expected a condition

===== CASE: -n -c 
  if
  then
  fi
   =====


    then
    ^~~~
[ -c flag ]:3: Expected a condition

===== CASE: -n -c 
  if true
  then
  elif
  then
  fi
   =====


    then
    ^~~~
[ -c flag ]:5: Expected a condition

===== CASE: -n -c 
  case |
  in
  esac
   =====


    case |
         ^
[ -c flag ]:2: Expected a word to match against

===== CASE: -n -c 
  case ;
  in
  esac
   =====


    case ;
         ^
[ -c flag ]:2: Expected a word to match against

===== CASE: -n -c 
  if
  true
  then
  fi
   =====


(command.If
  if_kw: (Token id:Id.KW_If length:2 col:2 line:(SourceLine line_num:2 content:"  if\n" src:(source.CFlag)))
  arms: [
    (IfArm
      keyword: ...0x13ea
      cond: 
        (condition.Shell
          commands: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 2
                  line: (SourceLine line_num:3 content:"  true\n" src:...0x3ffffffc)
                )
              more_env: []
              words: [(CompoundWord parts:[...0x13ca])]
              do_fork: T
            )
          ]
        )
      then_kw: 
        (Token
          id: Id.KW_Then
          length: 4
          col: 2
          line: (SourceLine line_num:4 content:"  then\n" src:...0x3ffffffc)
        )
      action: []
      then_tok: ...0x139a
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 2
      line: (SourceLine line_num:5 content:"  fi\n" src:...0x3ffffffc)
    )
)

===== CASE: -n -c 
  while
  false
  do
  done
   =====


(command.WhileUntil
  keyword: (Token id:Id.KW_While length:5 col:2 line:(SourceLine line_num:2 content:"  while\n" src:(source.CFlag)))
  cond: 
    (condition.Shell
      commands: [
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 5
              col: 2
              line: (SourceLine line_num:3 content:"  false\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [(CompoundWord parts:[...0x13c6])]
          do_fork: T
        )
      ]
    )
  body: 
    (command.DoGroup
      left: 
        (Token
          id: Id.KW_Do
          length: 2
          col: 2
          line: (SourceLine line_num:4 content:"  do\n" src:...0x3ffffffc)
        )
      children: []
      right: 
        (Token
          id: Id.KW_Done
          length: 4
          col: 2
          line: (SourceLine line_num:5 content:"  done\n" src:...0x3ffffffc)
        )
    )
)

===== CASE: -n -c 
  while
  true;
  false
  do
  done
   =====


(command.WhileUntil
  keyword: (Token id:Id.KW_While length:5 col:2 line:(SourceLine line_num:2 content:"  while\n" src:(source.CFlag)))
  cond: 
    (condition.Shell
      commands: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 2
                  line: (SourceLine line_num:3 content:"  true;\n" src:...0x3ffffffc)
                )
              more_env: []
              words: [(CompoundWord parts:[...0x13ca])]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:6 line:...0x13d2)
        )
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 5
              col: 2
              line: (SourceLine line_num:4 content:"  false\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [(CompoundWord parts:[...0x1392])]
          do_fork: T
        )
      ]
    )
  body: 
    (command.DoGroup
      left: 
        (Token
          id: Id.KW_Do
          length: 2
          col: 2
          line: (SourceLine line_num:5 content:"  do\n" src:...0x3ffffffc)
        )
      children: []
      right: 
        (Token
          id: Id.KW_Done
          length: 4
          col: 2
          line: (SourceLine line_num:6 content:"  done\n" src:...0x3ffffffc)
        )
    )
)

===== CASE: -n -c 
  if true
  then
  fi
   =====


(command.If
  if_kw: (Token id:Id.KW_If length:2 col:2 line:(SourceLine line_num:2 content:"  if true\n" src:(source.CFlag)))
  arms: [
    (IfArm
      keyword: ...0x13e2
      cond: 
        (condition.Shell
          commands: [
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:5 line:...0x13ea)
              more_env: []
              words: [(CompoundWord parts:[...0x13ce])]
              do_fork: T
            )
          ]
        )
      then_kw: 
        (Token
          id: Id.KW_Then
          length: 4
          col: 2
          line: (SourceLine line_num:3 content:"  then\n" src:...0x3ffffffc)
        )
      action: []
      then_tok: ...0x139a
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 2
      line: (SourceLine line_num:4 content:"  fi\n" src:...0x3ffffffc)
    )
)

===== CASE: -n -c 
  while true;
        false
  do
  done
   =====


(command.WhileUntil
  keyword: 
    (Token id:Id.KW_While length:5 col:2 line:(SourceLine line_num:2 content:"  while true;\n" src:(source.CFlag)))
  cond: 
    (condition.Shell
      commands: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:8 line:...0x13f2)
              more_env: []
              words: [(CompoundWord parts:[...0x13da])]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:12 line:...0x13f2)
        )
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 5
              col: 8
              line: (SourceLine line_num:3 content:"        false\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [(CompoundWord parts:[...0x139e])]
          do_fork: T
        )
      ]
    )
  body: 
    (command.DoGroup
      left: 
        (Token
          id: Id.KW_Do
          length: 2
          col: 2
          line: (SourceLine line_num:4 content:"  do\n" src:...0x3ffffffc)
        )
      children: []
      right: 
        (Token
          id: Id.KW_Done
          length: 4
          col: 2
          line: (SourceLine line_num:5 content:"  done\n" src:...0x3ffffffc)
        )
    )
)
OK  test-extra-newlines
*** Running test-here-doc

===== CASE: -n -c cat <<EOF
$(( 1 * ))  
EOF
 =====


  $(( 1 * ))
          ^
[ -c flag ]:2: Token can't be used in prefix position

===== CASE: -n -c cat <<EOF
invalid: ${a!}
EOF
 =====


  invalid: ${a!}
              ^
[ -c flag ]:2: Expected } to close ${

===== CASE: -n -c cat <<EOF
$(for x in )
EOF
 =====


  $(for x in )
             ^
[ -c flag ]:2: Invalid word in for loop
OK  test-here-doc
*** Running test-here-doc-delimiter

===== CASE: -n -c cat << $(invalid here end) =====


  cat << $(invalid here end)
         ^~
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << $((1+2)) =====


  cat << $((1+2))
         ^~~
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << a=(1 2 3) =====


  cat << a=(1 2 3)
         ^~
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << \a$(invalid) =====


  cat << \a$(invalid)
         ^~
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << "double"$(invalid) =====


  cat << "double"$(invalid)
         ^
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << ~foo/$(invalid) =====


  cat << ~foo/$(invalid)
         ^
[ -c flag ]:1: Unterminated here doc began here

===== CASE: -n -c cat << $var/$(invalid) =====


  cat << $var/$(invalid)
         ^~~~
[ -c flag ]:1: Unterminated here doc began here
OK  test-here-doc-delimiter
*** Running test-invalid-brace-ranges

===== CASE: -n -c echo {1..3..-1} =====


  echo {1..3..-1}
        ^~~~~~~~
[ -c flag ]:1: Invalid step -1 for ascending integer range

===== CASE: -n -c echo {1..3..0} =====


  echo {1..3..0}
        ^~~~~~~
[ -c flag ]:1: Step can't be 0

===== CASE: -n -c echo {3..1..1} =====


  echo {3..1..1}
        ^~~~~~~
[ -c flag ]:1: Invalid step 1 for descending integer range

===== CASE: -n -c echo {3..1..0} =====


  echo {3..1..0}
        ^~~~~~~
[ -c flag ]:1: Step can't be 0

===== CASE: -n -c echo {a..Z} =====


  echo {a..Z}
        ^~~~
[ -c flag ]:1: Mismatched cases in character range

===== CASE: -n -c echo {a..z..0} =====


  echo {a..z..0}
        ^~~~~~~
[ -c flag ]:1: Step can't be 0

===== CASE: -n -c echo {a..z..-1} =====


  echo {a..z..-1}
        ^~~~~~~~
[ -c flag ]:1: Invalid step -1 for ascending character range

===== CASE: -n -c echo {z..a..1} =====


  echo {z..a..1}
        ^~~~~~~
[ -c flag ]:1: Invalid step 1 for descending character range
OK  test-invalid-brace-ranges
*** Running test-nested_source_argvword

===== CASE: -c 
  code="printf % x"
  eval $code
   =====


  %
   ^
[ printf word at line 1 of [ eval word at line 3 of [ -c flag ] ] ]:1

  printf % x
         ^
[ eval word at line 3 of [ -c flag ] ]:1

    eval $code
    ^~~~
[ -c flag ]:3: Expected a printf format character
OK  test-nested_source_argvword
*** Running test-other-builtins

===== CASE: -c shift 1 2 =====


  shift 1 2
  ^~~~~
[ -c flag ]:1: 'shift' got too many arguments

===== CASE: -c shift zzz =====


  shift zzz
  ^~~~~
[ -c flag ]:1: 'shift' Invalid shift argument 'zzz'

===== CASE: -c pushd x y =====


  pushd x y
          ^
[ -c flag ]:1: 'pushd' got too many arguments

===== CASE: -c pwd -x =====


  pwd -x
      ^~
[ -c flag ]:1: 'pwd' doesn't accept flag -x

===== CASE: -c pp x foo a-x =====


  pp x foo a-x
     ^
[ -c flag ]:1: 'pp' got invalid action 'x'

===== CASE: -c wait zzz =====


  wait zzz
       ^~~
[ -c flag ]:1: 'wait' expected PID or jobspec, got 'zzz'

===== CASE: -c wait %jobspec-not-supported =====


  wait %jobspec-not-supported
       ^
[ -c flag ]:1: 'wait' expected PID or jobspec, got '%jobspec-not-supported'

===== CASE: -c unset invalid-var-name =====


  unset invalid-var-name
  ^~~~~
[ -c flag ]:1: fatal: Invalid LHS to modify

===== CASE: -c getopts hc: invalid-var-name =====


  getopts hc: invalid-var-name
          ^~
[ -c flag ]:1: 'getopts' got invalid variable name 'invalid-var-name'
OK  test-other-builtins
*** Running test-parse_backticks

===== CASE: -n -c echo `echo hi` =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo `echo hi`" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (CommandSub
          left_token: (Token id:Id.Left_Backtick length:1 col:5 line:...0x13fa)
          child: 
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 0
                  line: 
                    (SourceLine
                      line_num: 1
                      content: "echo hi"
                      src: 
                        (source.Reparsed
                          what: backticks
                          left_token: ...0x13da
                          right_token: (Token id:Id.Backtick_Right length:1 col:13 line:...0x13fa)
                        )
                    )
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x13aa])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:2 col:5 line:...0x13ae)]
                )
              ]
              do_fork: T
            )
          right: ...0x13ce
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo "foo = `echo hi`" =====


(command.Simple
  blame_tok: 
    (Token
      id: Id.Lit_Chars
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"echo \"foo = `echo hi`\"" src:(source.CFlag))
    )
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (DoubleQuoted
          left: (Token id:Id.Left_DoubleQuote length:1 col:5 line:...0x13fa)
          parts: [
            (Token id:Id.Lit_Chars length:6 col:6 line:...0x13fa)
            (CommandSub
              left_token: (Token id:Id.Left_Backtick length:1 col:12 line:...0x13fa)
              child: 
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 4
                      col: 0
                      line: 
                        (SourceLine
                          line_num: 1
                          content: "echo hi"
                          src: 
                            (source.Reparsed
                              what: backticks
                              left_token: ...0x13ce
                              right_token: 
                                (Token
                                  id: Id.Backtick_Right
                                  length: 1
                                  col: 20
                                  line: ...0x13fa
                                )
                            )
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x139e])
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:2 col:5 line:...0x13a2)]
                    )
                  ]
                  do_fork: T
                )
              right: ...0x13c2
            )
          ]
          right: (Token id:Id.Right_DoubleQuote length:1 col:21 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: +O test-parse_backticks -n -c echo `echo hi` =====


oils: got invalid option 'test-parse_backticks'

===== CASE: +O test-parse_backticks -n -c echo "foo = `echo hi`" =====


oils: got invalid option 'test-parse_backticks'
OK  test-parse_backticks
*** Running test-patsub

===== CASE: -n -c echo ${x/} =====


(command.Simple
  blame_tok: (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x/}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[])
              replace: ...0x3ffffffc
              replace_mode: Id.Undefined_Tok
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:9 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x//} =====


(command.Simple
  blame_tok: (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x//}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[])
              replace: ...0x3ffffffc
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:10 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x/foo} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x/foo}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:9 line:...0x13fa)])
              replace: ...0x3ffffffc
              replace_mode: Id.Undefined_Tok
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:12 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x//foo} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x//foo}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:10 line:...0x13fa)])
              replace: ...0x3ffffffc
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:13 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x/%foo} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x/%foo}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:10 line:...0x13fa)])
              replace: ...0x3ffffffc
              replace_mode: Id.Lit_Percent
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:13 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x///foo} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x///foo}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Slash length:1 col:10 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:3 col:11 line:...0x13fa)
                  ]
                )
              replace: ...0x3ffffffc
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:14 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x///} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x///}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Slash length:1 col:10 line:...0x13fa)])
              replace: ...0x3ffffffc
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:11 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x/%/} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x/%/}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[])
              replace: (CompoundWord parts:[])
              replace_mode: Id.Lit_Percent
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:11 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x////} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x////}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Slash length:1 col:10 line:...0x13fa)])
              replace: (CompoundWord parts:[])
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:12 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x/%//} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Lit_Chars length:4 col:0 line:(SourceLine line_num:1 content:"echo ${x/%//}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[])
              replace: (CompoundWord parts:[(Token id:Id.Lit_Slash length:1 col:11 line:...0x13fa)])
              replace_mode: Id.Lit_Percent
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:12 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x//foo/replace
} =====


(command.Simple
  blame_tok: 
    (Token
      id: Id.Lit_Chars
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"echo ${x//foo/replace\n" src:(source.CFlag))
    )
  more_env: []
  words: [
    (CompoundWord parts:[...0x13ee])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13f6)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13f6)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:10 line:...0x13f6)])
              replace: (CompoundWord parts:[(Token id:Id.Lit_Chars length:8 col:14 line:...0x13f6)])
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13f6)
            )
          right: 
            (Token
              id: Id.Right_DollarBrace
              length: 1
              col: 0
              line: (SourceLine line_num:2 content:"}" src:...0x3ffffffc)
            )
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${x//foo/replace$foo} =====


(command.Simple
  blame_tok: 
    (Token
      id: Id.Lit_Chars
      length: 4
      col: 0
      line: (SourceLine line_num:1 content:"echo ${x//foo/replace$foo}" src:(source.CFlag))
    )
  more_env: []
  words: [
    (CompoundWord parts:[...0x13f2])
    (CompoundWord
      parts: [
        (BracedVarSub
          left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x13fa)
          token: (Token id:Id.VSub_Name length:1 col:7 line:...0x13fa)
          var_name: x
          suffix_op: 
            (suffix_op.PatSub
              pat: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:10 line:...0x13fa)])
              replace: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:7 col:14 line:...0x13fa)
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:4 col:21 line:...0x13fa)
                    )
                  ]
                )
              replace_mode: Id.Lit_Slash
              slash_tok: (Token id:Id.VOp2_Slash length:1 col:8 line:...0x13fa)
            )
          right: (Token id:Id.Right_DollarBrace length:1 col:25 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)
OK  test-patsub
*** Running test-printf-builtin

===== CASE: -c printf % =====


  %
   ^
[ printf word at line 1 of [ -c flag ] ]:1

  printf %
         ^
[ -c flag ]:1: Expected a printf format character

===== CASE: -c printf [%Z] =====


  [%Z]
    ^
[ printf word at line 1 of [ -c flag ] ]:1

  printf [%Z]
         ^
[ -c flag ]:1: Invalid printf format character

===== CASE: -c printf -v "-invalid-" %s foo =====


  -invalid-
           ^
[ dynamic LHS word at ? ]:1

[??? no location ???] Unexpected end of input
  printf -v "-invalid-" %s foo
  ^~~~~~
[ -c flag ]:1: 'printf' got invalid LHS expression
OK  test-printf-builtin
*** Running test-proc_func_reserved

===== CASE: -n -c proc p (x) { echo hi } =====


  proc p (x) { echo hi }
  ^~~~
[ -c flag ]:1: proc is a YSH keyword, but this is OSH.

===== CASE: -n -c func f (x) { return (x) } =====


  func f (x) { return (x) }
  ^~~~
[ -c flag ]:1: func is a YSH keyword, but this is OSH.
OK  test-proc_func_reserved
*** Running test-quoted-strings

===== CASE: -n -c "unterminated double =====


  "unterminated double
  ^
[ -c flag ]:1: Unexpected EOF reading double-quoted string that began here

===== CASE: -n -c 'unterminated single =====


  'unterminated single
  ^
[ -c flag ]:1: Unexpected EOF in single-quoted string that began here

===== CASE: -n -c 
  "unterminated double multiline
  line 1
  line 2 =====


    "unterminated double multiline
    ^
[ -c flag ]:2: Unexpected EOF reading double-quoted string that began here

===== CASE: -n -c 
  'unterminated single multiline
  line 1
  line 2 =====


    'unterminated single multiline
    ^
[ -c flag ]:2: Unexpected EOF in single-quoted string that began here
OK  test-quoted-strings
*** Running test-redirect

===== CASE: -n -c echo < << =====


  echo < <<
         ^~
[ -c flag ]:1: Invalid token after redirect operator

===== CASE: -n -c echo $( echo > >>  ) =====


  echo $( echo > >>  )
                 ^~
[ -c flag ]:1: Invalid token after redirect operator
OK  test-redirect
*** Running test-regex-nix

===== CASE: -n -c 
if [[ ! (" ${params[*]} " =~ " -shared " || " ${params[*]} " =~ " -static " ) ]]; then
  echo hi
fi
 =====


(command.If
  if_kw: 
    (Token
      id: Id.KW_If
      length: 2
      col: 0
      line: 
        (SourceLine
          line_num: 2
          content: 
"if [[ ! (\" ${params[*]} \" =~ \" -shared \" || \" ${params[*]} \" =~ \" -static \" ) ]]; then\n"
          src: (source.CFlag)
        )
    )
  arms: [
    (IfArm
      keyword: ...0x13f2
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (command.DBracket
                  left: (Token id:Id.KW_DLeftBracket length:2 col:3 line:...0x13f6)
                  expr: 
                    (bool_expr.LogicalNot
                      child: 
                        (bool_expr.LogicalOr
                          left: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_EqualTilde
                              left: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 9
                                          line: ...0x13f6
                                        )
                                      parts: [
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 10
                                          line: ...0x13f6
                                        )
                                        (BracedVarSub
                                          left: 
                                            (Token
                                              id: Id.Left_DollarBrace
                                              length: 2
                                              col: 11
                                              line: ...0x13f6
                                            )
                                          token: 
                                            (Token
                                              id: Id.VSub_Name
                                              length: 6
                                              col: 13
                                              line: ...0x13f6
                                            )
                                          var_name: params
                                          bracket_op: (bracket_op.WholeArray op_id:Id.Arith_Star)
                                          right: 
                                            (Token
                                              id: Id.Right_DollarBrace
                                              length: 1
                                              col: 22
                                              line: ...0x13f6
                                            )
                                        )
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 23
                                          line: ...0x13f6
                                        )
                                      ]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 24
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                              right: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 29
                                          line: ...0x13f6
                                        )
                                      parts: [(Token id:Id.Lit_Chars length:9 col:30 line:...0x13f6)]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 39
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                            )
                          right: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_EqualTilde
                              left: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 44
                                          line: ...0x13f6
                                        )
                                      parts: [
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 45
                                          line: ...0x13f6
                                        )
                                        (BracedVarSub
                                          left: 
                                            (Token
                                              id: Id.Left_DollarBrace
                                              length: 2
                                              col: 46
                                              line: ...0x13f6
                                            )
                                          token: 
                                            (Token
                                              id: Id.VSub_Name
                                              length: 6
                                              col: 48
                                              line: ...0x13f6
                                            )
                                          var_name: params
                                          bracket_op: (bracket_op.WholeArray op_id:Id.Arith_Star)
                                          right: 
                                            (Token
                                              id: Id.Right_DollarBrace
                                              length: 1
                                              col: 57
                                              line: ...0x13f6
                                            )
                                        )
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 58
                                          line: ...0x13f6
                                        )
                                      ]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 59
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                              right: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 64
                                          line: ...0x13f6
                                        )
                                      parts: [(Token id:Id.Lit_Chars length:9 col:65 line:...0x13f6)]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 74
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                            )
                        )
                    )
                  right: (Token id:Id.Lit_DRightBracket length:2 col:78 line:...0x13f6)
                )
              terminator: (Token id:Id.Op_Semi length:1 col:80 line:...0x13f6)
            )
          ]
        )
      then_kw: (Token id:Id.KW_Then length:4 col:82 line:...0x13f6)
      action: [
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 4
              col: 2
              line: (SourceLine line_num:3 content:"  echo hi\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [
            (CompoundWord parts:[...0x12a6])
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:7 line:...0x12ae)])
          ]
          do_fork: T
        )
      ]
      then_tok: ...0x12c6
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 0
      line: (SourceLine line_num:4 content:"fi\n" src:...0x3ffffffc)
    )
)

===== CASE: -n -c 
if [[ (foo =~ (x) ) ]]; then
  echo hi
fi
 =====


(command.If
  if_kw: 
    (Token
      id: Id.KW_If
      length: 2
      col: 0
      line: (SourceLine line_num:2 content:"if [[ (foo =~ (x) ) ]]; then\n" src:(source.CFlag))
    )
  arms: [
    (IfArm
      keyword: ...0x13ee
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (command.DBracket
                  left: (Token id:Id.KW_DLeftBracket length:2 col:3 line:...0x13f2)
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_EqualTilde
                      left: 
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:3 col:7 line:...0x13f2)]
                        )
                      right: 
                        (CompoundWord
                          parts: [
                            (word_part.BashRegexGroup
                              left: (Token id:Id.BashRegex_LParen length:1 col:14 line:...0x13f2)
                              child: 
                                (CompoundWord
                                  parts: [(Token id:Id.Lit_Chars length:1 col:15 line:...0x13f2)]
                                )
                              right: 
                                (Token
                                  id: Id.Right_BashRegexGroup
                                  length: 1
                                  col: 16
                                  line: ...0x13f2
                                )
                            )
                          ]
                        )
                    )
                  right: (Token id:Id.Lit_DRightBracket length:2 col:20 line:...0x13f2)
                )
              terminator: (Token id:Id.Op_Semi length:1 col:22 line:...0x13f2)
            )
          ]
        )
      then_kw: (Token id:Id.KW_Then length:4 col:24 line:...0x13f2)
      action: [
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 4
              col: 2
              line: (SourceLine line_num:3 content:"  echo hi\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [
            (CompoundWord parts:[...0x133e])
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:7 line:...0x1346)])
          ]
          do_fork: T
        )
      ]
      then_tok: ...0x135e
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 0
      line: (SourceLine line_num:4 content:"fi\n" src:...0x3ffffffc)
    )
)

===== CASE: -n -c 
if [[ (foo =~ x) ]]; then
  echo hi
fi
 =====


(command.If
  if_kw: 
    (Token
      id: Id.KW_If
      length: 2
      col: 0
      line: (SourceLine line_num:2 content:"if [[ (foo =~ x) ]]; then\n" src:(source.CFlag))
    )
  arms: [
    (IfArm
      keyword: ...0x13ee
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (command.DBracket
                  left: (Token id:Id.KW_DLeftBracket length:2 col:3 line:...0x13f2)
                  expr: 
                    (bool_expr.Binary
                      op_id: Id.BoolBinary_EqualTilde
                      left: 
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:3 col:7 line:...0x13f2)]
                        )
                      right: 
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:1 col:14 line:...0x13f2)]
                        )
                    )
                  right: (Token id:Id.Lit_DRightBracket length:2 col:17 line:...0x13f2)
                )
              terminator: (Token id:Id.Op_Semi length:1 col:19 line:...0x13f2)
            )
          ]
        )
      then_kw: (Token id:Id.KW_Then length:4 col:21 line:...0x13f2)
      action: [
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 4
              col: 2
              line: (SourceLine line_num:3 content:"  echo hi\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [
            (CompoundWord parts:[...0x1356])
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:7 line:...0x135e)])
          ]
          do_fork: T
        )
      ]
      then_tok: ...0x1376
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 0
      line: (SourceLine line_num:4 content:"fi\n" src:...0x3ffffffc)
    )
)

===== CASE: -n -c 
if [[ ! (" ${params[*]} " =~ " -shared " || " ${params[*]} " =~ " -static ") ]]; then
  echo hi
fi
 =====


(command.If
  if_kw: 
    (Token
      id: Id.KW_If
      length: 2
      col: 0
      line: 
        (SourceLine
          line_num: 2
          content: 
"if [[ ! (\" ${params[*]} \" =~ \" -shared \" || \" ${params[*]} \" =~ \" -static \") ]]; then\n"
          src: (source.CFlag)
        )
    )
  arms: [
    (IfArm
      keyword: ...0x13f2
      cond: 
        (condition.Shell
          commands: [
            (command.Sentence
              child: 
                (command.DBracket
                  left: (Token id:Id.KW_DLeftBracket length:2 col:3 line:...0x13f6)
                  expr: 
                    (bool_expr.LogicalNot
                      child: 
                        (bool_expr.LogicalOr
                          left: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_EqualTilde
                              left: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 9
                                          line: ...0x13f6
                                        )
                                      parts: [
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 10
                                          line: ...0x13f6
                                        )
                                        (BracedVarSub
                                          left: 
                                            (Token
                                              id: Id.Left_DollarBrace
                                              length: 2
                                              col: 11
                                              line: ...0x13f6
                                            )
                                          token: 
                                            (Token
                                              id: Id.VSub_Name
                                              length: 6
                                              col: 13
                                              line: ...0x13f6
                                            )
                                          var_name: params
                                          bracket_op: (bracket_op.WholeArray op_id:Id.Arith_Star)
                                          right: 
                                            (Token
                                              id: Id.Right_DollarBrace
                                              length: 1
                                              col: 22
                                              line: ...0x13f6
                                            )
                                        )
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 23
                                          line: ...0x13f6
                                        )
                                      ]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 24
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                              right: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 29
                                          line: ...0x13f6
                                        )
                                      parts: [(Token id:Id.Lit_Chars length:9 col:30 line:...0x13f6)]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 39
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                            )
                          right: 
                            (bool_expr.Binary
                              op_id: Id.BoolBinary_EqualTilde
                              left: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 44
                                          line: ...0x13f6
                                        )
                                      parts: [
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 45
                                          line: ...0x13f6
                                        )
                                        (BracedVarSub
                                          left: 
                                            (Token
                                              id: Id.Left_DollarBrace
                                              length: 2
                                              col: 46
                                              line: ...0x13f6
                                            )
                                          token: 
                                            (Token
                                              id: Id.VSub_Name
                                              length: 6
                                              col: 48
                                              line: ...0x13f6
                                            )
                                          var_name: params
                                          bracket_op: (bracket_op.WholeArray op_id:Id.Arith_Star)
                                          right: 
                                            (Token
                                              id: Id.Right_DollarBrace
                                              length: 1
                                              col: 57
                                              line: ...0x13f6
                                            )
                                        )
                                        (Token
                                          id: Id.Lit_Chars
                                          length: 1
                                          col: 58
                                          line: ...0x13f6
                                        )
                                      ]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 59
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                              right: 
                                (CompoundWord
                                  parts: [
                                    (DoubleQuoted
                                      left: 
                                        (Token
                                          id: Id.Left_DoubleQuote
                                          length: 1
                                          col: 64
                                          line: ...0x13f6
                                        )
                                      parts: [(Token id:Id.Lit_Chars length:9 col:65 line:...0x13f6)]
                                      right: 
                                        (Token
                                          id: Id.Right_DoubleQuote
                                          length: 1
                                          col: 74
                                          line: ...0x13f6
                                        )
                                    )
                                  ]
                                )
                            )
                        )
                    )
                  right: (Token id:Id.Lit_DRightBracket length:2 col:77 line:...0x13f6)
                )
              terminator: (Token id:Id.Op_Semi length:1 col:79 line:...0x13f6)
            )
          ]
        )
      then_kw: (Token id:Id.KW_Then length:4 col:81 line:...0x13f6)
      action: [
        (command.Simple
          blame_tok: 
            (Token
              id: Id.Lit_Chars
              length: 4
              col: 2
              line: (SourceLine line_num:3 content:"  echo hi\n" src:...0x3ffffffc)
            )
          more_env: []
          words: [
            (CompoundWord parts:[...0x12a6])
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:7 line:...0x12ae)])
          ]
          do_fork: T
        )
      ]
      then_tok: ...0x12c6
    )
  ]
  else_action: []
  fi_kw: 
    (Token
      id: Id.KW_Fi
      length: 2
      col: 0
      line: (SourceLine line_num:4 content:"fi\n" src:...0x3ffffffc)
    )
)
OK  test-regex-nix
*** Running test-regex-pipe

===== CASE: -n -c [[ a =~ b|c ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ b|c ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (Token id:Id.Lit_Chars length:1 col:8 line:...0x13fa)
            (Token id:Id.Lit_Other length:1 col:9 line:...0x13fa)
            (Token id:Id.Lit_Chars length:1 col:10 line:...0x13fa)
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:12 line:...0x13fa)
)
OK  test-regex-pipe
*** Running test-regex-right-paren

===== CASE: -n -c [[ a =~ b ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ b ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:8 line:...0x13fa)])
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:10 line:...0x13fa)
)

===== CASE: -n -c [[ a =~ (b) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ (b) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:8 line:...0x13fa)
              child: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:9 line:...0x13fa)])
              right: (Token id:Id.Right_BashRegexGroup length:1 col:10 line:...0x13fa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:12 line:...0x13fa)
)

===== CASE: -n -c [[ (a =~ b) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ (a =~ b) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:4 line:...0x13fa)])
      right: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:9 line:...0x13fa)])
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:12 line:...0x13fa)
)

===== CASE: -n -c [[ (a =~ (b)) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ (a =~ (b)) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:4 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:9 line:...0x13fa)
              child: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:10 line:...0x13fa)])
              right: (Token id:Id.Right_BashRegexGroup length:1 col:11 line:...0x13fa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:14 line:...0x13fa)
)

===== CASE: -n -c [[ (a =~ ( =====


  [[ (a =~ (
            ^
[ -c flag ]:1: Expected word after ( opening bash regex group

===== CASE: -n -c [[ (a =~ (b =====


  [[ (a =~ (b
             ^
[ -c flag ]:1: Expected ) to close bash regex group
OK  test-regex-right-paren
*** Running test-regex-space

===== CASE: -n -c [[ a =~ ( ) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ ( ) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:8 line:...0x13fa)
              child: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:9 line:...0x13fa)])
              right: (Token id:Id.Right_BashRegexGroup length:1 col:10 line:...0x13fa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:12 line:...0x13fa)
)

===== CASE: -n -c [[ a =~ (b c) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ (b c) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:8 line:...0x13fa)
              child: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:1 col:9 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:10 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:11 line:...0x13fa)
                  ]
                )
              right: (Token id:Id.Right_BashRegexGroup length:1 col:12 line:...0x13fa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:14 line:...0x13fa)
)

===== CASE: -n -c [[ a =~ (a b)(c d) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ (a b)(c d) ]]" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13fa)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:8 line:...0x13fa)
              child: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:1 col:9 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:10 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:11 line:...0x13fa)
                  ]
                )
              right: (Token id:Id.Right_BashRegexGroup length:1 col:12 line:...0x13fa)
            )
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:13 line:...0x13fa)
              child: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:1 col:14 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:15 line:...0x13fa)
                    (Token id:Id.Lit_Chars length:1 col:16 line:...0x13fa)
                  ]
                )
              right: (Token id:Id.Right_BashRegexGroup length:1 col:17 line:...0x13fa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:19 line:...0x13fa)
)
bash=0

===== CASE: -n -c [[ a =~ (b
c) ]] =====


(command.DBracket
  left: 
    (Token
      id: Id.KW_DLeftBracket
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"[[ a =~ (b\n" src:(source.CFlag))
    )
  expr: 
    (bool_expr.Binary
      op_id: Id.BoolBinary_EqualTilde
      left: (CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:3 line:...0x13f6)])
      right: 
        (CompoundWord
          parts: [
            (word_part.BashRegexGroup
              left: (Token id:Id.BashRegex_LParen length:1 col:8 line:...0x13f6)
              child: 
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:1 col:9 line:...0x13f6)
                    (Token id:Id.Lit_Chars length:1 col:10 line:...0x13f6)
                    (Token
                      id: Id.Lit_Chars
                      length: 1
                      col: 0
                      line: (SourceLine line_num:2 content:"c) ]]" src:...0x3ffffffc)
                    )
                  ]
                )
              right: (Token id:Id.Right_BashRegexGroup length:1 col:1 line:...0x13aa)
            )
          ]
        )
    )
  right: (Token id:Id.Lit_DRightBracket length:2 col:3 line:...0x13aa)
)
OK  test-regex-space
*** Running test-shell_for

===== CASE: -n -c for x in & =====


  for x in &
           ^
[ -c flag ]:1: Invalid word in for loop

===== CASE: -n -c for (( i=0; i<10; i++ )) ls =====


  for (( i=0; i<10; i++ )) ls
                           ^~
[ -c flag ]:1: Invalid word after for expression

===== CASE: -n -c for ( i=0; i<10; i++ ) =====


  for ( i=0; i<10; i++ )
      ^
[ -c flag ]:1: Expected loop variable (a constant word)

===== CASE: -n -c for $x in 1 2 3; do echo $i; done =====


  for $x in 1 2 3; do echo $i; done
      ^~
[ -c flag ]:1: Expected loop variable (a constant word)

===== CASE: -n -c for x.y in 1 2 3; do echo $i; done =====


  for x.y in 1 2 3; do echo $i; done
      ^~~
[ -c flag ]:1: Invalid loop variable name 'x.y'

===== CASE: -n -c for x in 1 2 3; & =====


  for x in 1 2 3; &
                  ^
[ -c flag ]:1: Expected word type Id.KW_Do, got Id.Op_Amp

===== CASE: -n -c for foo BAD =====


  for foo BAD
             ^
[ -c flag ]:1: Expected loop variable (a constant word)

===== CASE: -n -c for var in x; do echo $var; done =====


(command.ForEach
  keyword: 
    (Token
      id: Id.KW_For
      length: 3
      col: 0
      line: (SourceLine line_num:1 content:"for var in x; do echo $var; done" src:(source.CFlag))
    )
  iter_names: [var]
  iterable: 
    (for_iter.Words
      words: [(CompoundWord parts:[(Token id:Id.Lit_Chars length:1 col:11 line:...0x1402)])]
    )
  semi_tok: (Token id:Id.Op_Semi length:1 col:12 line:...0x1402)
  body: 
    (command.DoGroup
      left: (Token id:Id.KW_Do length:2 col:14 line:...0x1402)
      children: [
        (command.Sentence
          child: 
            (command.Simple
              blame_tok: (Token id:Id.Lit_Chars length:4 col:17 line:...0x1402)
              more_env: []
              words: [
                (CompoundWord parts:[...0x139e])
                (CompoundWord
                  parts: [
                    (SimpleVarSub
                      tok: (Token id:Id.VSub_DollarName length:4 col:22 line:...0x1402)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          terminator: (Token id:Id.Op_Semi length:1 col:26 line:...0x1402)
        )
      ]
      right: (Token id:Id.KW_Done length:4 col:28 line:...0x1402)
    )
)
OK  test-shell_for
*** Running test-simple-command

===== CASE: -n -c PYTHONPATH=. FOO=(1 2) python =====


  PYTHONPATH=. FOO=(1 2) python
               ^~~~
[ -c flag ]:1: Environment bindings can't contain array literals

===== CASE: -n -c PYTHONPATH+=1 python =====


  PYTHONPATH+=1 python
  ^~~~~~~~~~~~
[ -c flag ]:1: Expected = in environment binding, got +=

===== CASE: -n -c =var =====


  =var
  ^
[ -c flag ]:1: =word isn't allowed.  Hint: add a space after =, or quote it

===== CASE: -n -c =f(x) =====


  =f(x)
  ^
[ -c flag ]:1: =word isn't allowed.  Hint: add a space after =, or quote it

===== CASE: -n -c =var =====


  =var
  ^
[ -c flag ]:1: =word isn't allowed.  Hint: add a space after =, or quote it

===== CASE: -n -c =f(x) =====


  =f(x)
  ^
[ -c flag ]:1: =word isn't allowed.  Hint: add a space after =, or quote it
OK  test-simple-command
*** Running test-slice

===== CASE: -n -c ${foo:42} =====


(command.Simple
  blame_tok: 
    (Token id:Id.Left_DollarBrace length:2 col:0 line:(SourceLine line_num:1 content:"${foo:42}" src:(source.CFlag)))
  more_env: []
  words: [
    (CompoundWord
      parts: [
        (BracedVarSub
          left: ...0x13f2
          token: (Token id:Id.VSub_Name length:3 col:2 line:...0x13fa)
          var_name: foo
          suffix_op: 
            (suffix_op.Slice
              begin: (CompoundWord parts:[(Token id:Id.Lit_Digits length:2 col:6 line:...0x13fa)])
            )
          right: (Token id:Id.Arith_RBrace length:1 col:8 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c ${foo:42+1} =====


(command.Simple
  blame_tok: 
    (Token
      id: Id.Left_DollarBrace
      length: 2
      col: 0
      line: (SourceLine line_num:1 content:"${foo:42+1}" src:(source.CFlag))
    )
  more_env: []
  words: [
    (CompoundWord
      parts: [
        (BracedVarSub
          left: ...0x13f2
          token: (Token id:Id.VSub_Name length:3 col:2 line:...0x13fa)
          var_name: foo
          suffix_op: 
            (suffix_op.Slice
              begin: 
                (arith_expr.Binary
                  op: (Token id:Id.Arith_Plus length:1 col:8 line:...0x13fa)
                  left: (CompoundWord parts:[(Token id:Id.Lit_Digits length:2 col:6 line:...0x13fa)])
                  right: 
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Digits length:1 col:9 line:...0x13fa)]
                    )
                )
            )
          right: (Token id:Id.Arith_RBrace length:1 col:10 line:...0x13fa)
        )
      ]
    )
  ]
  do_fork: T
)

===== CASE: -n -c echo ${a:1;} =====


  echo ${a:1;}
            ^
[ -c flag ]:1: Expected : or } in slice

===== CASE: -n -c echo ${a:1:2;} =====


  echo ${a:1:2;}
              ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Arith_Semi != Id.Arith_RBrace)
OK  test-slice
*** Running test-test-builtin

===== CASE: -c [ x -a y f ] =====


  [ x -a y f ]
           ^
[ -c flag ]:1: (test) Unexpected trailing word 'f'

===== CASE: -c test x -a y f =====


  test x -a y f
              ^
[ -c flag ]:1: (test) Unexpected trailing word 'f'

===== CASE: -c [ x  =====


  [ x
  ^
[ -c flag ]:1: missing closing ]

===== CASE: -c [ x x ] =====


  [ x x ]
    ^
[ -c flag ]:1: (test) Expected unary operator, got 'x' (2 args)

===== CASE: -c [ x x "a b" ] =====


  [ x x "a b" ]
      ^
[ -c flag ]:1: (test) Expected binary operator, got 'x' (3 args)

===== CASE: -c [ -t xxx ] =====


  [ -t xxx ]
       ^~~
[ -c flag ]:1: (test) Invalid file descriptor 'xxx'

===== CASE: -c [ \( x -a -y -a z ] =====


[??? no location ???] (test) Expected ), got EOF
OK  test-test-builtin
*** Running test-word-parse

===== CASE: -n -c echo ${ =====


  echo ${
         ^
[ -c flag ]:1: Unexpected token in ${}

===== CASE: -n -c echo ${a[@Z =====


  echo ${a[@Z
            ^
[ -c flag ]:1: Expected ] to close subscript

===== CASE: -n -c echo ${x.} =====


  echo ${x.}
          ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c echo ${!x.} =====


  echo ${!x.}
           ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c echo ${#a. =====


  echo ${#a.
           ^
[ -c flag ]:1: Expected } after length expression

===== CASE: -n -c for (( i = 0; i < 10; i++ ; =====


  for (( i = 0; i < 10; i++ ;
                            ^
[ -c flag ]:1: Unexpected token after arithmetic expression (Id.Arith_Semi != Id.Arith_RParen)

===== CASE: -n -c for (( i = 0; i < 10; i++ / =====


  for (( i = 0; i < 10; i++ /
                             ^
[ -c flag ]:1: Unexpected end of input

===== CASE: -n -c echo @(extglob|foo =====


  echo @(extglob|foo
       ^~
[ -c flag ]:1: Unexpected EOF reading extended glob that began here

===== CASE: -n -c ${undef:- =====


  ${undef:-
           ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c ${undef:-$ =====


  ${undef:-$
            ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c ${undef:-$F =====


  ${undef:-$F
             ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c ${x@ =====


  ${x@
     ^
[ -c flag ]:1: Unexpected token in ${} (VOp3)

===== CASE: -n -c ${x@Q =====


  ${x@Q
       ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c ${x% =====


  ${x%
      ^
[ -c flag ]:1: Expected } to close ${

===== CASE: -n -c ${x/ =====


  ${x/
      ^
[ -c flag ]:1: Expected } after replacement string, got Id.Eof_Real

===== CASE: -n -c ${x/a/ =====


  ${x/a/
        ^
[ -c flag ]:1: Expected } after replacement string, got Id.Eof_Real

===== CASE: -n -c ${x/a/b =====


  ${x/a/b
         ^
[ -c flag ]:1: Expected } after replacement string, got Id.Eof_Real

===== CASE: -n -c ${x: =====


  ${x:
      ^
[ -c flag ]:1: Unexpected end of input
OK  test-word-parse

test/parse-errors.sh: 36 tests passed.