evmain.dfm

表达式计算DEMO 利用词法分析器原理 以及后缀表达式计算 暂不支持函数以及乘号省略

object Form1: TForm1
  Left = 263
  Top = 163
  BorderIcons = [biSystemMenu, biMinimize]
  BorderStyle = bsSingle
  Caption = 'Expression Evaluater'
  ClientHeight = 222
  ClientWidth = 545
  Color = clBtnFace
  Font.Charset = ANSI_CHARSET
  Font.Color = clWindowText
  Font.Height = -12
  Font.Name = #23435#20307
  Font.Style = []
  OldCreateOrder = False
  Position = poScreenCenter
  PixelsPerInch = 96
  TextHeight = 12
  object Label1: TLabel
    Left = 8
    Top = 8
    Width = 144
    Height = 12
    Caption = 'Please input expression:'
  end
  object Label2: TLabel
    Left = 8
    Top = 48
    Width = 66
    Height = 12
    Caption = 'Token list:'
  end
  object Label3: TLabel
    Left = 104
    Top = 72
    Width = 108
    Height = 12
    Caption = 'Suffix expression:'
  end
  object Label4: TLabel
    Left = 104
    Top = 136
    Width = 42
    Height = 12
    Caption = 'Result:'
  end
  object Edit1: TEdit
    Left = 8
    Top = 24
    Width = 449
    Height = 20
    TabOrder = 0
  end
  object Button1: TButton
    Left = 464
    Top = 20
    Width = 75
    Height = 25
    Caption = 'Evaluate'
    TabOrder = 1
    OnClick = Button1Click
  end
  object ListBox1: TListBox
    Left = 8
    Top = 64
    Width = 89
    Height = 153
    ItemHeight = 12
    TabOrder = 2
  end
  object Edit2: TEdit
    Left = 104
    Top = 88
    Width = 433
    Height = 20
    ReadOnly = True
    TabOrder = 3
  end
  object Edit3: TEdit
    Left = 104
    Top = 152
    Width = 433
    Height = 20
    ReadOnly = True
    TabOrder = 4
  end
end