# -*- shell-script -*-
# io.sh - Bourne Again Shell Debugger Input/Output routines
#
#   Copyright (C) 2002, 2003, 2004, 2006, 2008, 2009, 2011 Rocky Bernstein 
#   <rocky@gnu.org>
#
#   This program is free software; you can redistribute it and/or
#   modify it under the terms of the GNU General Public License as
#   published by the Free Software Foundation; either version 2, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   General Public License for more details.
#   
#   You should have received a copy of the GNU General Public License along
#   with bashdb; see the file COPYING.  If not, write to the Free Software
#   Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.

# ==================== VARIABLES =======================================

# _Dbg_source_mungedfilename is an array which contains source_lines for
#  filename
# _Dbg_read_mungedfilename is array which contains the value '1' if the
#  filename has been read in.

typeset -a _Dbg_override_filenames # name translations given via the debugger
                                   # "file" command.

# ===================== FUNCTIONS =======================================

# _Dbg_progess_show --- print the progress bar
# $1: prefix string
# $2: max value
# $3: current value
proc _Dbg_progess_show {
    typeset title=$1
    typeset -i max_value=$2
    typeset -i current_value=$3
    typeset -i max_length=40
    typeset -i current_length

    
    if (( max_value == 0 ))  {
	# Avoid dividing by 0.
	global current_length := $(max_length)
    } else {
	global current_length := $( ${max_length} * ${current_value} / ${max_value} )
    }
    
    _Dbg_progess_show_internal $1 $(max_length) $(current_length)
    _Dbg_printf_nocr ' %3d%%' "$( 100 * ${current_value} / ${max_value} )"
}
# _Dbg_progess_show_internal --- internal function for _Dbg_progess_show
# $1: prefix string
# $2: max length
# $3: current length
proc _Dbg_progess_show_internal {
    typeset -i i=0

    # Erase line
    if [[ t == $EMACS ]] {
	_Dbg_msg_nocr "\r\b\n"	
    } else {
	_Dbg_msg_nocr "\r\b"
    }
    
    _Dbg_msg_nocr "$1: ["
    for (( i=0; i < $3 ; i++ )); do
	_Dbg_msg_nocr "="
    done
    _Dbg_msg_nocr '>'

    for (( i=0; i < $2 - $3 ; i++ )); do
	_Dbg_msg_nocr ' '
    done
    _Dbg_msg_nocr ']'
}

# clean up progress bar
proc _Dbg_progess_done {
    # Erase line
    if test "x$EMACS" = xt {
	_Dbg_msg_nocr "\r\b\n"	
    } else {
	_Dbg_msg_nocr "\r\b"
    }
    _Dbg_msg $1
}
(CommandList
  children: [
    (C {(typeset)} {(-a)} {(_Dbg_override_filenames)})
    (FuncDef
      name: _Dbg_progess_show
      body: 
        (BraceGroup
          children: [
            (C {(typeset)} {(Lit_VarLike "title=") ($ VSub_Number "$1")})
            (C {(typeset)} {(-i)} {(Lit_VarLike "max_value=") ($ VSub_Number "$2")})
            (C {(typeset)} {(-i)} {(Lit_VarLike "current_value=") ($ VSub_Number "$3")})
            (C {(typeset)} {(-i)} {(Lit_VarLike "max_length=") (40)})
            (C {(typeset)} {(-i)} {(current_length)})
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DParen
                          child: 
                            (ArithBinary
                              op_id: Arith_DEqual
                              left: (ArithVarRef name:max_value)
                              right: (ArithWord w:{(Lit_Digits 0)})
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:current_length)
                          op: Equal
                          rhs: {(${ VSub_Name max_length)}
                          spids: [174]
                        )
                      ]
                      spids: [174]
                    )
                  ]
                  spids: [-1 167]
                )
              ]
              else_action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:current_length)
                      op: Equal
                      rhs: 
                        {
                          (ArithSubPart
                            anode: 
                              (ArithBinary
                                op_id: Arith_Slash
                                left: 
                                  (ArithBinary
                                    op_id: Arith_Star
                                    left: (ArithWord w:{(${ VSub_Name max_length)})
                                    right: (ArithWord w:{(${ VSub_Name current_value)})
                                  )
                                right: (ArithWord w:{(${ VSub_Name max_value)})
                              )
                            spids: [184 203]
                          )
                        }
                      spids: [183]
                    )
                  ]
                  spids: [183]
                )
              ]
              spids: [180 206]
            )
            (C {(_Dbg_progess_show_internal)} {(DQ ($ VSub_Number "$1"))} {(${ VSub_Name max_length)} 
              {(${ VSub_Name current_length)}
            )
            (C {(_Dbg_printf_nocr)} {(SQ <" %3d%%">)} 
              {
                (DQ 
                  (ArithSubPart
                    anode: 
                      (ArithBinary
                        op_id: Arith_Slash
                        left: 
                          (ArithBinary
                            op_id: Arith_Star
                            left: (ArithWord w:{(Lit_Digits 100)})
                            right: (ArithWord w:{(${ VSub_Name current_value)})
                          )
                        right: (ArithWord w:{(${ VSub_Name max_value)})
                      )
                    spids: [233 250]
                  )
                )
              }
            )
          ]
          spids: [109]
        )
      spids: [105 108]
    )
    (FuncDef
      name: _Dbg_progess_show_internal
      body: 
        (BraceGroup
          children: [
            (C {(typeset)} {(-i)} {(Lit_VarLike "i=") (0)})
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (DBracket
                          expr: 
                            (BoolBinary
                              op_id: BoolBinary_GlobDEqual
                              left: {(t)}
                              right: {($ VSub_Name "$EMACS")}
                            )
                        )
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(_Dbg_msg_nocr)} 
                      {
                        (DQ (EscapedLiteralPart token:<Lit_EscapedChar "\\r">) 
                          (EscapedLiteralPart token:<Lit_EscapedChar "\\b">) (EscapedLiteralPart token:<Lit_EscapedChar "\\n">)
                        )
                      }
                    )
                  ]
                  spids: [-1 300]
                )
              ]
              else_action: [
                (C {(_Dbg_msg_nocr)} 
                  {
                    (DQ (EscapedLiteralPart token:<Lit_EscapedChar "\\r">) 
                      (EscapedLiteralPart token:<Lit_EscapedChar "\\b">)
                    )
                  }
                )
              ]
              spids: [313 324]
            )
            (C {(_Dbg_msg_nocr)} {(DQ ($ VSub_Number "$1") (": ["))})
            (ForExpr
              init: 
                (BinaryAssign
                  op_id: Arith_Equal
                  left: (LhsName name:i)
                  right: (ArithWord w:{(Lit_Digits 0)})
                )
              cond: 
                (ArithBinary
                  op_id: Arith_Less
                  left: (ArithVarRef name:i)
                  right: (ArithWord w:{($ VSub_Number "$3")})
                )
              update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:i))
              body: (DoGroup children:[(C {(_Dbg_msg_nocr)} {(DQ ("="))})] spids:[361371])
            )
            (C {(_Dbg_msg_nocr)} {(SQ <">">)})
            (ForExpr
              init: 
                (BinaryAssign
                  op_id: Arith_Equal
                  left: (LhsName name:i)
                  right: (ArithWord w:{(Lit_Digits 0)})
                )
              cond: 
                (ArithBinary
                  op_id: Arith_Less
                  left: (ArithVarRef name:i)
                  right: 
                    (ArithBinary
                      op_id: Arith_Minus
                      left: (ArithWord w:{($ VSub_Number "$2")})
                      right: (ArithWord w:{($ VSub_Number "$3")})
                    )
                )
              update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:i))
              body: (DoGroup children:[(C {(_Dbg_msg_nocr)} {(SQ <" ">)})] spids:[410420])
            )
            (C {(_Dbg_msg_nocr)} {(SQ <"]">)})
          ]
          spids: [271]
        )
      spids: [267 270]
    )
    (FuncDef
      name: _Dbg_progess_done
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: (C {(test)} {(DQ (x) ($ VSub_Name "$EMACS"))} {(Lit_Other "=")} {(xt)})
                      terminator: <Op_Semi ";">
                    )
                  ]
                  action: [
                    (C {(_Dbg_msg_nocr)} 
                      {
                        (DQ (EscapedLiteralPart token:<Lit_EscapedChar "\\r">) 
                          (EscapedLiteralPart token:<Lit_EscapedChar "\\b">) (EscapedLiteralPart token:<Lit_EscapedChar "\\n">)
                        )
                      }
                    )
                  ]
                  spids: [-1 460]
                )
              ]
              else_action: [
                (C {(_Dbg_msg_nocr)} 
                  {
                    (DQ (EscapedLiteralPart token:<Lit_EscapedChar "\\r">) 
                      (EscapedLiteralPart token:<Lit_EscapedChar "\\b">)
                    )
                  }
                )
              ]
              spids: [473 484]
            )
            (C {(_Dbg_msg)} {($ VSub_Number "$1")})
          ]
          spids: [439]
        )
      spids: [435 438]
    )
  ]
)