(command.CommandList children: [ (command.Simple blame_tok: <_Dbg_help_add> more_env: [] words: [ {<_Dbg_help_add>} {<trace>} { (SQ <'**trace** *function*\n'> <'\n'> <'trace alias *alias*\n'> <'\n'> <'Set "xtrace" (set -x) tracing when *function is called.\n'> <'\n'> <'See also "untrace" and "debug".'> ) } ] redirects: [] do_fork: T ) (command.ShFunction keyword: <Id.KW_Function function> name_tok: <_Dbg_do_trace> name: _Dbg_do_trace body: (BraceGroup left: <Id.Lit_LBrace '{'> children: [ (command.If if_kw: <Id.KW_If if> arms: [ (IfArm keyword: <Id.KW_If if> cond: (condition.Shell commands: [ (command.Sentence child: (command.DParen left: <Id.Op_DLeftParen _> child: (arith_expr.Binary op_id: Id.Arith_DEqual left: {($ Id.VSub_Pound '#')} right: {<Id.Lit_Digits 0>} ) right: <Id.Op_DRightParen _> redirects: [] ) terminator: <Id.Op_Semi _> ) ] ) then_kw: <Id.KW_Then then> action: [ (command.Simple blame_tok: <_Dbg_errmsg> more_env: [] words: [{<_Dbg_errmsg>} {(DQ <'trace: missing function name.'>)}] redirects: [] do_fork: T ) (command.ControlFlow keyword: <Id.ControlFlow_Return return> arg_word: {<2>} ) ] spids: [96 109] ) ] else_action: [] fi_kw: <Id.KW_Fi fi> redirects: [] ) (command.Simple blame_tok: <typeset> more_env: [] words: [{<typeset>} {<-r>} {<Id.Lit_VarLike 'fn='> ($ Id.VSub_Number 1)}] redirects: [] do_fork: T ) (command.Simple blame_tok: <typeset> more_env: [] words: [ {<typeset>} {<-ri>} {<Id.Lit_VarLike 'clear_debug_trap='> (BracedVarSub left: <Id.Left_DollarBrace '${'> token: <Id.VSub_Number 2> var_name: 2 suffix_op: (suffix_op.Unary op:<Id.VTest_ColonHyphen _> arg_word:{<1>}) right: <Id.Right_DollarBrace '}'> ) } ] redirects: [] do_fork: T ) (command.AndOr children: [ (command.Simple blame_tok: <_Dbg_is_function> more_env: [] words: [ {<_Dbg_is_function>} {(DQ ($ Id.VSub_DollarName fn))} {($ Id.VSub_DollarName _Dbg_set_debug)} ] redirects: [] do_fork: T ) (BraceGroup left: <Id.Lit_LBrace '{'> children: [ (command.Simple blame_tok: <_Dbg_errmsg> more_env: [] words: [ {<_Dbg_errmsg>} { (DQ <'trace: function '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) ($ Id.VSub_DollarName fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <' is not a function.'> ) } ] redirects: [] do_fork: T ) (command.ControlFlow keyword: <Id.ControlFlow_Return return> arg_word: {<3>} ) ] redirects: [] right: <Id.Lit_RBrace '}'> ) ] ops: [<Id.Op_DPipe _>] ) (command.AndOr children: [ (command.ShAssignment left: <Id.Lit_VarLike 'cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'cmd='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'cmd='> name:cmd) op: assign_op.Equal rhs: { (CommandSub left_token: <Id.Left_DollarParen '$('> child: (command.Simple blame_tok: <typeset> more_env: [] words: [{<typeset>} {<-f>} {<-->} {(DQ ($ Id.VSub_DollarName fn))}] redirects: [] do_fork: T ) right: <Id.Eof_RParen _> ) } ) ] redirects: [] ) (BraceGroup left: <Id.Lit_LBrace '{'> children: [ (command.Simple blame_tok: <_Dbg_errmsg> more_env: [] words: [ {<_Dbg_errmsg>} { (DQ <'Can\'t find function definition for definition '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) ($ Id.VSub_DollarName fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <.> ) } ] redirects: [] do_fork: T ) (command.ControlFlow keyword: <Id.ControlFlow_Return return> arg_word: {<4>} ) ] redirects: [] right: <Id.Lit_RBrace '}'> ) ] ops: [<Id.Op_DPipe _>] ) (command.If if_kw: <Id.KW_If if> arms: [ (IfArm keyword: <Id.KW_If if> cond: (condition.Shell commands: [ (command.Sentence child: (command.DBracket left: <Id.KW_DLeftBracket '[['> expr: (bool_expr.Binary op_id: Id.BoolBinary_EqualTilde left: {($ Id.VSub_DollarName cmd)} right: {(SQ <'^function '>)} ) right: <Id.Lit_DRightBracket ']]'> redirects: [] ) terminator: <Id.Op_Semi _> ) ] ) then_kw: <Id.KW_Then then> action: [ (command.ShAssignment left: <Id.Lit_VarLike 'cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'cmd='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'cmd='> name:cmd) op: assign_op.Equal rhs: { (DQ <'function old_'> (BracedVarSub left: <Id.Left_DollarBrace '${'> token: <Id.VSub_Name cmd> var_name: cmd suffix_op: (suffix_op.Slice begin:{<Id.Lit_Digits 9>}) right: <Id.Arith_RBrace _> ) ) } ) ] redirects: [] ) ] spids: [216 232] ) ] else_kw: <Id.KW_Else else> else_action: [ (command.ShAssignment left: <Id.Lit_VarLike 'cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'cmd='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'cmd='> name:cmd) op: assign_op.Equal rhs: {(DQ <old_> (${ Id.VSub_Name cmd))} ) ] redirects: [] ) ] fi_kw: <Id.KW_Fi fi> redirects: [] ) (command.AndOr children: [ (command.DParen left: <Id.Op_DLeftParen _> child: ($ Id.Lit_ArithVarLike _Dbg_set_debug) right: <Id.Op_DRightParen _> redirects: [] ) (command.Simple blame_tok: <echo> more_env: [] words: [{<echo>} {(DQ ($ Id.VSub_DollarName cmd))}] redirects: [] do_fork: T ) ] ops: [<Id.Op_DAmp _>] ) (command.Simple blame_tok: <typeset> more_env: [] words: [{<typeset>} {<Id.Lit_VarLike 'save_clear_debug_trap_cmd='> (SQ )}] redirects: [] do_fork: T ) (command.Simple blame_tok: <typeset> more_env: [] words: [{<typeset>} {<Id.Lit_VarLike 'restore_trap_cmd='> (SQ )}] redirects: [] do_fork: T ) (command.If if_kw: <Id.KW_If if> arms: [ (IfArm keyword: <Id.KW_If if> cond: (condition.Shell commands: [ (command.Sentence child: (command.DParen left: <Id.Op_DLeftParen _> child: ($ Id.Lit_ArithVarLike clear_debug_trap) right: <Id.Op_DRightParen _> redirects: [] ) terminator: <Id.Op_Semi _> ) ] ) then_kw: <Id.KW_Then then> action: [ (command.ShAssignment left: <Id.Lit_VarLike 'save_clear_trap_cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'save_clear_trap_cmd='> lhs: (sh_lhs_expr.Name left: <Id.Lit_VarLike 'save_clear_trap_cmd='> name: save_clear_trap_cmd ) op: assign_op.Equal rhs: {(SQ <'local old_handler=$(trap -p DEBUG); trap - DEBUG'>)} ) ] redirects: [] ) (command.ShAssignment left: <Id.Lit_VarLike 'restore_trap_cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'restore_trap_cmd='> lhs: (sh_lhs_expr.Name left: <Id.Lit_VarLike 'restore_trap_cmd='> name: restore_trap_cmd ) op: assign_op.Equal rhs: {(SQ <'eval $old_handler'>)} ) ] redirects: [] ) ] spids: [289 300] ) ] else_action: [] fi_kw: <Id.KW_Fi fi> redirects: [] ) (command.AndOr children: [ (command.Simple blame_tok: <eval> more_env: [] words: [{<eval>} {(DQ ($ Id.VSub_DollarName cmd))}] redirects: [] do_fork: T ) (BraceGroup left: <Id.Lit_LBrace '{'> children: [ (command.Simple blame_tok: <_Dbg_errmsg> more_env: [] words: [ {<_Dbg_errmsg>} { (DQ <'Error in renaming function '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) ($ Id.VSub_DollarName fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <' to '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) <old_> (${ Id.VSub_Name fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <.> ) } ] redirects: [] do_fork: T ) (command.ControlFlow keyword: <Id.ControlFlow_Return return> arg_word: {<5>} ) ] redirects: [] right: <Id.Lit_RBrace '}'> ) ] ops: [<Id.Op_DPipe _>] ) (command.ShAssignment left: <Id.Lit_VarLike 'cmd='> pairs: [ (AssignPair left: <Id.Lit_VarLike 'cmd='> lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'cmd='> name:cmd) op: assign_op.Equal rhs: { (DQ (${ Id.VSub_Name fn) <'() {\n'> <' '> ($ Id.VSub_DollarName save_clear_trap_cmd) <'\n'> <' typeset -ri old_set_x=is_traced\n'> <' set -x\n'> <' old_'> ($ Id.VSub_DollarName fn) <' '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\$'> ch: '$' ) <'@'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <'\n'> <' typeset -ri rc='> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\$'> ch: '$' ) <'?\n'> <' (( old_set_x == 0 )) && set +x # still messes up of fn did: set -x\n'> <' '> ($ Id.VSub_DollarName restore_trap_cmd) <'\n'> <' return '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'> ch:'$') <'rc\n'> <' }\n'> ) } ) ] redirects: [] ) (command.AndOr children: [ (command.DParen left: <Id.Op_DLeftParen _> child: ($ Id.Lit_ArithVarLike _Dbg_set_debug) right: <Id.Op_DRightParen _> redirects: [] ) (command.Simple blame_tok: <echo> more_env: [] words: [{<echo>} {(DQ ($ Id.VSub_DollarName cmd))}] redirects: [] do_fork: T ) ] ops: [<Id.Op_DAmp _>] ) (command.AndOr children: [ (command.Simple blame_tok: <eval> more_env: [] words: [{<eval>} {(DQ ($ Id.VSub_DollarName cmd))}] redirects: [] do_fork: T ) (command.ControlFlow keyword: <Id.ControlFlow_Return return> arg_word: {<6>} ) ] ops: [<Id.Op_DPipe _>] ) (command.Simple blame_tok: <_Dbg_msg> more_env: [] words: [ {<_Dbg_msg>} { (DQ (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') ($ Id.VSub_DollarName fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <' renamed '> (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) <old_> (${ Id.VSub_Name fn) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') <' and traced by '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\"'> ch:'"') (${ Id.VSub_Name fn) (word_part.EscapedLiteral token: <Id.Lit_EscapedChar '\\"'> ch: '"' ) <.> ) } ] redirects: [] do_fork: T ) (command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<0>}) ] redirects: [] right: <Id.Lit_RBrace '}'> ) ) ] )