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SBGInterpreter041.sb
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SBGInterpreter041.sb
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' Small Basic Graphics Interpreter
' Version 0.41
' Copyright © 2018 Nonki Takahashi. The MIT License.
' 2012-10-18 12:51:09 Code generated by Small Basic Parser Generator 0.4
' 2018-09-16 Version 0.41 for Small Basic Online v0.9
' Program ID XRZ138-0
If GraphicsWindow.Left = 0 Then
sbo = "True"
Not["True"] = "False"
Not["False"] = "True"
Else
sbo = "False
Not = "False=True;True=False;"
EndIf
version = "0.41"
SBGI_Main()
Sub PushOpt
If sbo Then
_nOpt = Array.GetItemCount(_opt)
For _iOpt = 1 To _nOpt
Stack.PushValue("local", _opt[_iOpt])
EndFor
Stack.PushValue("local", _nOpt)
Else
Stack.PushValue("local", _opt)
EndIf
EndSub
Sub PopOpt
If sbo Then
_nOpt = Stack.PopValue("local")
For _iOpt = _nOpt To 1 Step -1
_opt[_iOpt] = Stack.PopValue("local")
EndFor
Else
_opt = Stack.PopValue("local")
EndIf
EndSub
Sub PushVal
If sbo Then
_nVal = Array.GetItemCount(_val)
For _iVal = 1 To _nVal
Stack.PushValue("local", _val[_iVal])
EndFor
Stack.PushValue("local", _nVal)
Else
Stack.PushValue("local", _val)
EndIf
EndSub
Sub PopVal
If sbo Then
_nVal = Stack.PopValue("local")
For _iVal = _nVal To 1 Step -1
_val[_iVal] = Stack.PopValue("local")
EndFor
Else
_val = Stack.PopValue("local")
EndIf
EndSub
Sub SBGI_Main
' Small Basic Graphics Interpreter | Main
title = "Small Basic Graphics Interpreter " + version
traceC = "False" ' trace subroutine call
traceX = "False" ' trace operation execution
traceV = "False" ' dump variable array after parse
If Not[sbo] Then
TextWindow.Title = title ' this line will cause no output in SBO v0.9
EndIf
GraphicsWindow.Left = 0
If Not[sbo] Then
TextWindow.Left = Desktop.Width - 680 ' this line will cause no output in SBO v0.9
EndIf
Lex_Init()
TextWindow.WriteLine("Enter statements (Graphics operations) below.")
TextWindow.WriteLine("")
If sbo Then
GraphicsWindow.DrawText(10, 10, title)
Program.Delay(1000)
EndIf
While "True"
buf = TextWindow.Read()
TextWindow.ForegroundColor = "Green"
len = Text.GetLength(buf)
ptr = 1
Parse_State()
Program.Delay(1000)
If ptr <= len Then
TextWindow.WriteLine("Syntax Error")
EndIf
If traceV Then
TextWindow.WriteLine("var=" + WQ + var + WQ)
EndIf
TextWindow.ForegroundColor = "Gray"
EndWhile
EndSub
Sub Exec_Expr
' Excecution | Expression
' expr ::= ＜term＞[[]{+|-}[]＜term＞]
If match Then
If traceX Then
TextWindow.Write("Expr:_opt=" + WQ + _opt + WQ + ",_val=" + WQ + _val + WQ)
EndIf
If _opt[1] = "+" Then ' array
val = _val[1] + _val[2]
ElseIf _opt[1] = "-" Then
val = _val[1] - _val[2]
ElseIf _opt[1] = "" Then
val = _val[1]
EndIf
If traceX Then
TextWindow.WriteLine(",val=" + WQ + val + WQ)
EndIf
EndIf
EndSub
Sub Exec_Factor
' Excecution | Factor
' factor ::= {＜val＞|([]＜term＞[])}
If match Then
If traceX Then
TextWindow.Write("Factor:_val=" + WQ + _val + WQ)
EndIf
If _opt[1] = "val" Then
val = _val[1]
ElseIf _opt[1] = ")" Then
val = _val[2]
EndIf
If traceX Then
TextWindow.WriteLine(",val=" + WQ + val + WQ)
EndIf
EndIf
EndSub
Sub Exec_Let
' Excecution | Let
' let ::= {＜prop＞|＜var＞}[]=[]＜expr＞
If match Then
If traceX Then
TextWindow.WriteLine("Let:_opt=" + WQ + _opt + WQ + ",_val=" + WQ + _val + WQ)
EndIf
If _opt[1] = "_var" Then
var[name] = val
If traceX Then
TextWindow.WriteLine("! " + name + "=" + val)
EndIf
ElseIf _opt[1] = "prop" Then
If prop = "bg" Then
GraphicsWindow.BackgroundColor = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.BackgroundColor=" + val)
EndIf
ElseIf prop = "bc" Then
GraphicsWindow.BrushColor = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.BrushColor=" + val)
EndIf
ElseIf prop = "fb" Then
GraphicsWindow.FontBold = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.FontBold=" + val)
EndIf
ElseIf prop = "fi" Then
GraphicsWindow.FontItalic = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.FontItalic=" + val)
EndIf
ElseIf prop = "fn" Then
GraphicsWindow.FontName = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.FontName=" + val)
EndIf
ElseIf prop = "fs" Then
GraphicsWindow.FontBold = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.FontSize=" + val)
EndIf
ElseIf prop = "hi" Then
GraphicsWindow.Height = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.Height=" + val)
EndIf
ElseIf prop = "le" Then
GraphicsWindow.Left = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.Left=" + val)
EndIf
ElseIf prop = "pc" Then
GraphicsWindow.PenColor = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.PenColor=" + val)
EndIf
ElseIf prop = "pw" Then
GraphicsWindow.PenWidth = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.PenWidth=" + val)
EndIf
ElseIf prop = "ti" Then
GraphicsWindow.Title = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.Title=" + val)
EndIf
ElseIf prop = "to" Then
GraphicsWindow.Top = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.Top=" + val)
EndIf
ElseIf prop = "wi" Then
GraphicsWindow.Width = val
If traceX Then
TextWindow.WriteLine("! GraphicsWindow.Width=" + val)
EndIf
EndIf
EndIf ' _opt[1]
If traceX Then
TextWindow.WriteLine("Let:val=" + WQ + val + WQ)
EndIf
EndIf ' match
EndSub
Sub Exec_Literal
' Excecution | Literal
' literal ::= {＜real＞|＜_str＞}
If match Then
If traceX Then
TextWindow.Write("Literal:_opt=" + WQ + _opt + WQ + ",_val=" + WQ + _val + WQ)
EndIf
If _opt[1] = "real" Then
val = _val[1]
ElseIf _opt[1] = "_str" Then
val = _val[2]
EndIf
If traceX Then
TextWindow.WriteLine(",val=" + WQ + val + WQ)
EndIf
EndIf
EndSub
Sub Exec_Real
' Excecution | Real
' real ::= [-]＜_num＞[.＜_num＞]
If match Then
If traceX Then
TextWindow.Write("Real:_const=" + WQ + _const + WQ + ",_val=" + WQ + _val + WQ)
EndIf
val = _const[1] + _val[1] ' sign + int
If _const[2] = "." Then
val = Text.Append(val + ".", _val[2]) ' sign + int + "." + frac
EndIf
If traceX Then
TextWindow.WriteLine(",val=" + WQ + val + WQ)
EndIf
EndIf
EndSub
Sub Exec_Term
' Excecution | Term
' term ::= ＜factor＞[[]{'*'|/}[]＜factor＞]
If match Then
If traceX Then
TextWindow.Write("Term:_opt=" + WQ + _opt + WQ + ",_val=" + WQ + _val + WQ)
EndIf
If _opt[1] = "*" Then ' array
val = _val[1] * _val[2]
ElseIf _opt[1] = "/" Then
val = _val[1] / _val[2]
ElseIf _opt[1] = "" Then
val = _val[1]
EndIf
If traceX Then
TextWindow.WriteLine(",val=" + WQ + val + WQ)
EndIf
EndIf
EndSub
Sub Lex_Init
UPPER = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
LOWER = "abcdefghijklmnopqrstuvwxyz"
DIGIT = "0123456789"
FCHAR = UPPER + LOWER ' first charcters for label/variable/sub
TCHAR = FCHAR + DIGIT + "_" ' trailing characters for label/variable/sub
WQ = Text.GetCharacter(34) ' double quote
SQ = "'" ' single quote
CRLF = Text.GetCharacter(13) + Text.GetCharacter(10) ' carriage return + line feed
EndSub
Sub Lex_Label
' param buf - buffer
' param ptr - pointer
' return match - "True" if match
' return ptr - next pointer
' return label[] - label name array
' return val - label name
If traceC Then
TextWindow.WriteLine("＜Lex_Label＞ " + ptr)
EndIf
Lex_Name()
If match And (Array.ContainsValue(label, val) = "False") Then
nLabel = nLabel + 1
label[nLabel] = val
EndIf
If traceC Then
TextWindow.WriteLine("＜/Lex_Label＞ " + ptr)
EndIf
EndSub
Sub Lex_Name
' param buf - buffer
' param ptr - pointer
' return match - "True" if match
' return ptr - next pointer
' return name - name
If traceC Then
TextWindow.WriteLine("＜Lex_Name＞ " + ptr)
EndIf
ch = Text.GetSubText(buf, ptr, 1)
If Text.GetIndexOf(FCHAR, ch) > 0 Then
name = ch
ptr = ptr + 1
match = "True"
While match
ch = Text.GetSubText(buf, ptr, 1)
If Text.GetIndexOf(TCHAR, ch) > 0 Then
ptr = ptr + 1
name = name + ch
Else
match = "False"
EndIf
EndWhile
match = "True"
Else
name = ""
match = "False"
EndIf
If traceC Then
TextWindow.WriteLine("＜/Lex_Name＞ " + ptr)
EndIf
EndSub
Sub Lex_Num
' param buf - buffer
' param ptr - pointer
' return match - "True"
' return ptr - next pointer
' return val - number
ch = Text.GetSubText(buf, ptr, 1)
If Text.GetIndexOf(DIGIT, ch) > 0 Then
val = ch
ptr = ptr + 1
match = "True"
While match
ch = Text.GetSubText(buf, ptr, 1)
If Text.GetIndexOf(DIGIT, ch) > 0 Then
ptr = ptr + 1
val = Text.Append(val, ch)
Else
match = "False"
EndIf
EndWhile
match = "True"
Else
val = ""
match = "False"
EndIf
EndSub
Sub Lex_Space0
' param buf - buffer
' param ptr - pointer
' return match - "True"
' return ptr - next pointer
txt = " "
match = "True"
While match
Lex_Text()
EndWhile
match = "True"
EndSub
Sub Lex_Space1
' param buf - buffer
' param ptr - pointer
' return match - "True"
' return ptr - next pointer
If traceC Then
TextWindow.WriteLine("＜Lex_Space1＞ " + ptr)
EndIf
txt = " "
Lex_Text()
If match Then
While match
Lex_Text()
EndWhile
match = "True"
Else
TextWindow.WriteLine("Syntax Error: space not found")
EndIf
If traceC Then
TextWindow.WriteLine("＜/Lex_Space1＞ " + ptr)
EndIf
EndSub
Sub Lex_Str
' param buf - buffer
' param ptr - pointer
' return match - "True"
' return ptr - next pointer
' return val - string
Stack.PushValue("local", ptr)
txt = WQ
Lex_Text()
If match Then
ch = Text.GetSubText(buf, ptr, 1)
str = ""
While ch <> WQ
str = str + ch
ptr = ptr + 1
ch = Text.GetSubText(buf, ptr, 1)
EndWhile
EndIf
If match Then
txt = WQ
Lex_Text()
EndIf
_ptr = Stack.PopValue("local")
If match Then
val = str
Else
val = ""
ptr = _ptr
EndIf
EndSub
Sub Lex_Text
' param buf - buffer
' param ptr - pointer
' param txt - text to lexical analysis
' return match - "True" if match
' return ptr - next pointer
' return val - txt if match
If traceC Then
If txt = CRLF Then
_txt = "CRLF"
ElseIf txt = WQ Then
_txt = SQ + txt + SQ
Else
_txt = WQ + txt + WQ
EndIf
TextWindow.WriteLine("＜Lex_Text " + _txt + "＞ " + ptr)
EndIf
val = ""
txtlen = Text.GetLength(txt)
lotxt = Text.ConvertToLowerCase(txt)
lobuf = Text.ConvertToLowerCase(Text.GetSubText(buf, ptr, txtlen))
If lobuf = lotxt Then
match = "True"
ptr = ptr + txtlen
val = txt
Else
match = "False"
EndIf
If traceC Then
TextWindow.WriteLine("＜/Lex_Text＞ " + ptr)
EndIf
EndSub
Sub Lex_Var
' _var ::= ＜_name＞['['[]＜val＞[]']'['['[]＜val＞[]']']]
' param buf - buffer
' param ptr - pointer
' return match - "True" if match
' return ptr - next pointer
' return var[] - variable name array
' return name - variable name
' return val - variable
PushVal()
_val = ""
Lex_Name()
_val[1] = val
Stack.PushValue("local", name)
If match Then
Stack.PushValue("ptr",ptr)
If match Then
txt = "["
Lex_Text()
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Val()
_val[2] = val
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
txt = "]"
Lex_Text()
EndIf
If match Then
Stack.PushValue("ptr",ptr)
If match Then
txt = "["
Lex_Text()
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Val()
_val[3] = val
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
txt = "]"
Lex_Text()
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
match = "True"
EndIf
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
match = "True"
EndIf
EndIf
name = Stack.PopValue("local")
If match Then
If _val[3] <> "" Then
name = name + "[" + _val[2] + "][" + _val[3] + "]"
ElseIf _Val[2] <> "" Then
name = name + "[" + _val[2] + "]
EndIf
If Array.ContainsIndex(var, name) Then
val = var[name]
If val = "N/A" Then
val = ""
EndIf
Else
var[name] = "N/A"
val = ""
EndIf
EndIf
If sbo Then
PopVal()
Else
_val = Stack.PopValue("local")
EndIf
EndSub
Sub Parse_State
' state ::= []{＜ope＞|＜let＞|[]}[_SQ*]
If traceC Then
TextWindow.WriteLine("＜Parse_State＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Stack.PushValue("ptr",ptr)
Lex_Space0()
If match Then
Parse_Ope()
_val[1] = val
If match Then
_opt[1] = "ope"
Else
Parse_Let()
_val[2] = val
EndIf
If match Then
_opt[1] = "let"
Else
Lex_Space0()
If match Then
_opt[1] = ""
EndIf
EndIf
EndIf
If match Then
Stack.PushValue("ptr",ptr)
txt = SQ
Lex_Text()
_const[1] = val
If match Then
_ptr = Text.GetIndexOf(buf, CRLF)
If _ptr = 0 Then
_ptr = len + 1
EndIf
ptr = _ptr
match = "True"
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
match = "True"
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_State＞ " + ptr)
EndIf
EndSub
Sub Parse_Let
' let ::= {＜prop＞|＜_var＞}[]=[]＜expr＞
If traceC Then
TextWindow.WriteLine("＜Parse_Let＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Stack.PushValue("ptr",ptr)
Parse_Prop()
_val[1] = val
If match Then
_opt[1] = "prop"
Else
Lex_Var()
_val[2] = val
If match Then
_opt[1] = "_var"
EndIf
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
txt = "="
Lex_Text()
_const[1] = val
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Expr()
_val[3] = val
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
Exec_Let()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Let＞ " + ptr)
EndIf
EndSub
Sub Parse_Expr
' expr ::= ＜term＞[[]{+|-}[]＜term＞]
If traceC Then
TextWindow.WriteLine("＜Parse_Expr＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Stack.PushValue("ptr",ptr)
Parse_Term()
_val[1] = val
If match Then
Stack.PushValue("ptr",ptr)
Lex_Space0()
If match Then
txt = "+"
Lex_Text()
_const[1] = val
If match Then
_opt[1] = "+"
Else
txt = "-"
Lex_Text()
_const[2] = val
If match Then
_opt[1] = "-"
EndIf
EndIf
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Term()
_val[2] = val
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
match = "True"
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
Exec_Expr()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Expr＞ " + ptr)
EndIf
EndSub
Sub Parse_Term
' term ::= ＜factor＞[[]{'*'|/}[]＜factor＞]
If traceC Then
TextWindow.WriteLine("＜Parse_Term＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Stack.PushValue("ptr",ptr)
Parse_Factor()
_val[1] = val
If match Then
Stack.PushValue("ptr",ptr)
Lex_Space0()
If match Then
txt = "*"
Lex_Text()
_const[1] = val
If match Then
_opt[1] = "*"
Else
txt = "/"
Lex_Text()
_const[2] = val
If match Then
_opt[1] = "/"
EndIf
EndIf
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Factor()
_val[2] = val
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
match = "True"
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
Exec_Term()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Term＞ " + ptr)
EndIf
EndSub
Sub Parse_Factor
' factor ::= {＜val＞|([]＜term＞[])}
If traceC Then
TextWindow.WriteLine("＜Parse_Factor＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Parse_Val()
_val[1] = val
If match Then
_opt[1] = "val"
Else
Stack.PushValue("ptr",ptr)
txt = "("
Lex_Text()
_const[1] = val
If match Then
Lex_Space0()
EndIf
If match Then
Parse_Term()
_val[2] = val
EndIf
If match Then
Lex_Space0()
EndIf
If match Then
txt = ")"
Lex_Text()
_const[2] = val
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
If match Then
_opt[1] = ")"
EndIf
EndIf
Exec_Factor()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Factor＞ " + ptr)
EndIf
EndSub
Sub Parse_Val
' val ::= {＜literal＞|＜prop＞|＜ope＞|＜_var＞}
If traceC Then
TextWindow.WriteLine("＜Parse_Val＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Parse_Literal()
_val[1] = val
If match Then
_opt[1] = "literal"
Else
Parse_Prop()
_val[2] = val
EndIf
If match Then
_opt[1] = "prop"
Else
Parse_Ope()
_val[3] = val
EndIf
If match Then
_opt[1] = "ope"
Else
Lex_Var()
_val[4] = val
If match Then
_opt[1] = "_var"
EndIf
EndIf
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Val＞ " + ptr)
EndIf
EndSub
Sub Parse_Literal
' literal ::= {＜real＞|＜_str＞}
If traceC Then
TextWindow.WriteLine("＜Parse_Literal＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Parse_Real()
_val[1] = val
If match Then
_opt[1] = "real"
Else
Lex_Str()
_val[2] = val
If match Then
_opt[1] = "_str"
EndIf
EndIf
Exec_Literal()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Literal＞ " + ptr)
EndIf
EndSub
Sub Parse_Real
' real ::= [-]＜_num＞[.＜_num＞]
If traceC Then
TextWindow.WriteLine("＜Parse_Real＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Stack.PushValue("ptr",ptr)
txt = "-"
Lex_Text()
_const[1] = val
match = "True"
If match Then
Lex_Num()
_val[1] = val
EndIf
If match Then
Stack.PushValue("ptr",ptr)
txt = "."
Lex_Text()
_const[2] = val
If match Then
Lex_Num()
_val[2] = val
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
match = "True"
EndIf
_ptr = Stack.PopValue("ptr")
If match = "False" Then
ptr = _ptr
EndIf
Exec_Real()
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Real＞ " + ptr)
EndIf
EndSub
Sub Parse_Ope
' ope ::= {＜voidOpe＞|＜valOpe＞}
If traceC Then
TextWindow.WriteLine("＜Parse_Ope＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Parse_VoidOpe()
_val[1] = val
If match Then
_opt[1] = "voidOpe"
Else
Parse_ValOpe()
_val[2] = val
If match Then
_opt[1] = "valOpe"
EndIf
EndIf
PopVal()
PopOpt()
If traceC Then
TextWindow.WriteLine("＜/Parse_Ope＞ " + ptr)
EndIf
EndSub
Sub Parse_VoidOpe
' voidOpe ::= {＜clear＞|＜dBText＞|＜dEll＞|＜dIma＞|＜dLine＞|＜dRect＞|＜dRIma＞|＜dText＞|＜dTri＞|＜fEll＞|＜fRect＞|＜fTri＞|＜sPix＞|＜show＞|＜sMsg＞}
If traceC Then
TextWindow.WriteLine("＜Parse_VoidOpe＞ " + ptr)
EndIf
_const = ""
PushOpt()
_opt = ""
PushVal()
_val = ""
Parse_Clear()
_val[1] = val
If match Then
_opt[1] = "clear"
Else
Parse_DBText()
_val[2] = val
EndIf
If match Then
_opt[1] = "dBText"
Else
Parse_DEll()
_val[3] = val