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<TITLE>AARM95 - The Package Text_IO</TITLE>
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<P><A HREF="AA-TOC.html">Contents</A> <A HREF="AA-0-29.html">Index</A> <A HREF="AA-A-10.html">Previous</A> <A HREF="AA-A-10-2.html">Next</A></P>
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<H1> A.10.1 The Package Text_IO</H1>
<H4 ALIGN=CENTER>Static Semantics</H4>
<DIV Class="Paranum"><FONT SIZE=-2>1</FONT></DIV>
<DIV Class="Normal" Style="margin-bottom: 0.4em"> The library package
Text_IO has the following declaration: </DIV>
<DIV Class="Paranum"><FONT SIZE=-2>2</FONT></DIV>
<DIV Class="Examples"><TT><B>with</B> Ada.IO_Exceptions;<BR>
<B>package</B> Ada.Text_IO <B>is</B><A NAME="I5871"></A><A NAME="I5872"></A><A NAME="I5873"></A></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>3</FONT></DIV>
<DIV Class="Examples"><TT> <B>type</B> <A NAME="I5874"></A><A NAME="I5875"></A>File_Type <B>is</B> <B>limited</B> <B>private</B>;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>4</FONT></DIV>
<DIV Class="Examples"><TT> <B>type</B> <A NAME="I5876"></A><A NAME="I5877"></A>File_Mode <B>is</B> (In_File, Out_File, Append_File);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>5</FONT></DIV>
<DIV Class="Examples"><TT> <B>type</B> <A NAME="I5878"></A><A NAME="I5879"></A>Count <B>is</B> <B>range</B> 0 .. <I>implementation-defined</I>;<BR>
<B>subtype</B> <A NAME="I5880"></A>Positive_Count <B>is</B> Count <B>range</B> 1 .. Count'Last;<BR>
<A NAME="I5881"></A>Unbounded : <B>constant</B> Count := 0; --<I> line and page length</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>6</FONT></DIV>
<DIV Class="Examples"><TT> <B>subtype</B> <A NAME="I5882"></A>Field <B>is</B> Integer <B>range</B> 0 .. <I>implementation-defined</I>;<BR>
<B>subtype</B> <A NAME="I5883"></A>Number_Base <B>is</B> Integer <B>range</B> 2 .. 16;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>7</FONT></DIV>
<DIV Class="Examples"><TT> <B>type</B> <A NAME="I5884"></A><A NAME="I5885"></A>Type_Set <B>is</B> (Lower_Case, Upper_Case);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>8</FONT></DIV>
<DIV Class="Examples"><TT> --<I> File Management</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>9</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5886"></A><A NAME="I5887"></A>Create (File : <B>in</B> <B>out</B> File_Type;<BR>
Mode : <B>in</B> File_Mode := Out_File;<BR>
Name : <B>in</B> String := "";<BR>
Form : <B>in</B> String := "");</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>10</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5888"></A><A NAME="I5889"></A>Open (File : <B>in</B> <B>out</B> File_Type;<BR>
Mode : <B>in</B> File_Mode;<BR>
Name : <B>in</B> String;<BR>
Form : <B>in</B> String := "");</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>11</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5890"></A><A NAME="I5891"></A>Close (File : <B>in</B> <B>out</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5892"></A><A NAME="I5893"></A>Delete (File : <B>in</B> <B>out</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5894"></A><A NAME="I5895"></A>Reset (File : <B>in</B> <B>out</B> File_Type; Mode : <B>in</B> File_Mode);<BR>
<B>procedure</B> <A NAME="I5896"></A><A NAME="I5897"></A>Reset (File : <B>in</B> <B>out</B> File_Type);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>12</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5898"></A><A NAME="I5899"></A>Mode (File : <B>in</B> File_Type) <B>return</B> File_Mode;<BR>
<B>function</B> <A NAME="I5900"></A><A NAME="I5901"></A>Name (File : <B>in</B> File_Type) <B>return</B> String;<BR>
<B>function</B> <A NAME="I5902"></A><A NAME="I5903"></A>Form (File : <B>in</B> File_Type) <B>return</B> String;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>13</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5904"></A><A NAME="I5905"></A>Is_Open(File : <B>in</B> File_Type) <B>return</B> Boolean;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>14</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Control of default input and output files</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>15</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5906"></A><A NAME="I5907"></A>Set_Input (File : <B>in</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5908"></A><A NAME="I5909"></A>Set_Output(File : <B>in</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5910"></A><A NAME="I5911"></A>Set_Error (File : <B>in</B> File_Type);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>16</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5912"></A><A NAME="I5913"></A>Standard_Input <B>return</B> File_Type;<BR>
<B>function</B> <A NAME="I5914"></A><A NAME="I5915"></A>Standard_Output <B>return</B> File_Type;<BR>
<B>function</B> <A NAME="I5916"></A><A NAME="I5917"></A>Standard_Error <B>return</B> File_Type;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>17</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5918"></A><A NAME="I5919"></A>Current_Input <B>return</B> File_Type;<BR>
<B>function</B> <A NAME="I5920"></A><A NAME="I5921"></A>Current_Output <B>return</B> File_Type;<BR>
<B>function</B> <A NAME="I5922"></A><A NAME="I5923"></A>Current_Error <B>return</B> File_Type;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>18</FONT></DIV>
<DIV Class="Examples"><TT> <B>type</B> <A NAME="I5924"></A><A NAME="I5925"></A>File_Access <B>is</B> <B>access</B> <B>constant</B> File_Type;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>19</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5926"></A><A NAME="I5927"></A>Standard_Input <B>return</B> File_Access;<BR>
<B>function</B> <A NAME="I5928"></A><A NAME="I5929"></A>Standard_Output <B>return</B> File_Access;<BR>
<B>function</B> <A NAME="I5930"></A><A NAME="I5931"></A>Standard_Error <B>return</B> File_Access;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>20</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5932"></A><A NAME="I5933"></A>Current_Input <B>return</B> File_Access;<BR>
<B>function</B> <A NAME="I5934"></A><A NAME="I5935"></A>Current_Output <B>return</B> File_Access;<BR>
<B>function</B> <A NAME="I5936"></A><A NAME="I5937"></A>Current_Error <B>return</B> File_Access;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>21/1</FONT></DIV>
<DIV Class="Examples"><TT>{<I><A HREF="defect1.html#8652/0051">8652/0051</A></I>}
<BR>
--<I>Buffer control</I><BR>
<B>procedure</B> <A NAME="I5938"></A><A NAME="I5939"></A>Flush (File : <B>in</B> <S><B>out</B> </S>File_Type);<BR>
<B>procedure</B> <A NAME="I5940"></A><A NAME="I5941"></A>Flush;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>22</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Specification of line and page lengths</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>23</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5942"></A><A NAME="I5943"></A>Set_Line_Length(File : <B>in</B> File_Type; To : <B>in</B> Count);<BR>
<B>procedure</B> <A NAME="I5944"></A><A NAME="I5945"></A>Set_Line_Length(To : <B>in</B> Count);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>24</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5946"></A><A NAME="I5947"></A>Set_Page_Length(File : <B>in</B> File_Type; To : <B>in</B> Count);<BR>
<B>procedure</B> <A NAME="I5948"></A><A NAME="I5949"></A>Set_Page_Length(To : <B>in</B> Count);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>25</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5950"></A><A NAME="I5951"></A>Line_Length(File : <B>in</B> File_Type) <B>return</B> Count;<BR>
<B>function</B> <A NAME="I5952"></A><A NAME="I5953"></A>Line_Length <B>return</B> Count;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>26</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5954"></A><A NAME="I5955"></A>Page_Length(File : <B>in</B> File_Type) <B>return</B> Count;<BR>
<B>function</B> <A NAME="I5956"></A><A NAME="I5957"></A>Page_Length <B>return</B> Count;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>27</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Column, Line, and Page Control</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>28</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5958"></A><A NAME="I5959"></A>New_Line (File : <B>in</B> File_Type;<BR>
Spacing : <B>in</B> Positive_Count := 1);<BR>
<B>procedure</B> <A NAME="I5960"></A><A NAME="I5961"></A>New_Line (Spacing : <B>in</B> Positive_Count := 1);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>29</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5962"></A><A NAME="I5963"></A>Skip_Line (File : <B>in</B> File_Type;<BR>
Spacing : <B>in</B> Positive_Count := 1);<BR>
<B>procedure</B> <A NAME="I5964"></A><A NAME="I5965"></A>Skip_Line (Spacing : <B>in</B> Positive_Count := 1);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>30</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5966"></A><A NAME="I5967"></A>End_Of_Line(File : <B>in</B> File_Type) <B>return</B> Boolean;<BR>
<B>function</B> <A NAME="I5968"></A><A NAME="I5969"></A>End_Of_Line <B>return</B> Boolean;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>31</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5970"></A><A NAME="I5971"></A>New_Page (File : <B>in</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5972"></A><A NAME="I5973"></A>New_Page;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>32</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5974"></A><A NAME="I5975"></A>Skip_Page (File : <B>in</B> File_Type);<BR>
<B>procedure</B> <A NAME="I5976"></A><A NAME="I5977"></A>Skip_Page;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>33</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5978"></A><A NAME="I5979"></A>End_Of_Page(File : <B>in</B> File_Type) <B>return</B> Boolean;<BR>
<B>function</B> <A NAME="I5980"></A><A NAME="I5981"></A>End_Of_Page <B>return</B> Boolean;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>34</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5982"></A><A NAME="I5983"></A>End_Of_File(File : <B>in</B> File_Type) <B>return</B> Boolean;<BR>
<B>function</B> <A NAME="I5984"></A><A NAME="I5985"></A>End_Of_File <B>return</B> Boolean;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>35</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5986"></A><A NAME="I5987"></A>Set_Col (File : <B>in</B> File_Type; To : <B>in</B> Positive_Count);<BR>
<B>procedure</B> <A NAME="I5988"></A><A NAME="I5989"></A>Set_Col (To : <B>in</B> Positive_Count);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>36</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I5990"></A><A NAME="I5991"></A>Set_Line(File : <B>in</B> File_Type; To : <B>in</B> Positive_Count);<BR>
<B>procedure</B> <A NAME="I5992"></A><A NAME="I5993"></A>Set_Line(To : <B>in</B> Positive_Count);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>37</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5994"></A><A NAME="I5995"></A>Col (File : <B>in</B> File_Type) <B>return</B> Positive_Count;<BR>
<B>function</B> <A NAME="I5996"></A><A NAME="I5997"></A>Col <B>return</B> Positive_Count;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>38</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I5998"></A><A NAME="I5999"></A>Line(File : <B>in</B> File_Type) <B>return</B> Positive_Count;<BR>
<B>function</B> <A NAME="I6000"></A><A NAME="I6001"></A>Line <B>return</B> Positive_Count;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>39</FONT></DIV>
<DIV Class="Examples"><TT> <B>function</B> <A NAME="I6002"></A><A NAME="I6003"></A>Page(File : <B>in</B> File_Type) <B>return</B> Positive_Count;<BR>
<B>function</B> <A NAME="I6004"></A><A NAME="I6005"></A>Page <B>return</B> Positive_Count;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>40</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Character Input-Output</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>41</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6006"></A><A NAME="I6007"></A>Get(File : <B>in</B> File_Type; Item : <B>out</B> Character);<BR>
<B>procedure</B> <A NAME="I6008"></A><A NAME="I6009"></A>Get(Item : <B>out</B> Character);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>42</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6010"></A><A NAME="I6011"></A>Put(File : <B>in</B> File_Type; Item : <B>in</B> Character);<BR>
<B>procedure</B> <A NAME="I6012"></A><A NAME="I6013"></A>Put(Item : <B>in</B> Character);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>43</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6014"></A><A NAME="I6015"></A>Look_Ahead (File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Character;<BR>
End_Of_Line : <B>out</B> Boolean);<BR>
<B>procedure</B> <A NAME="I6016"></A><A NAME="I6017"></A>Look_Ahead (Item : <B>out</B> Character;<BR>
End_Of_Line : <B>out</B> Boolean);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>44</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6018"></A><A NAME="I6019"></A>Get_Immediate(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Character);<BR>
<B>procedure</B> <A NAME="I6020"></A><A NAME="I6021"></A>Get_Immediate(Item : <B>out</B> Character);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>45</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6022"></A><A NAME="I6023"></A>Get_Immediate(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Character;<BR>
Available : <B>out</B> Boolean);<BR>
<B>procedure</B> <A NAME="I6024"></A><A NAME="I6025"></A>Get_Immediate(Item : <B>out</B> Character;<BR>
Available : <B>out</B> Boolean);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>46</FONT></DIV>
<DIV Class="Examples"><TT> --<I> String Input-Output</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>47</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6026"></A><A NAME="I6027"></A>Get(File : <B>in</B> File_Type; Item : <B>out</B> String);<BR>
<B>procedure</B> <A NAME="I6028"></A><A NAME="I6029"></A>Get(Item : <B>out</B> String);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>48</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6030"></A><A NAME="I6031"></A>Put(File : <B>in</B> File_Type; Item : <B>in</B> String);<BR>
<B>procedure</B> <A NAME="I6032"></A><A NAME="I6033"></A>Put(Item : <B>in</B> String);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>49</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6034"></A><A NAME="I6035"></A>Get_Line(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> String;<BR>
Last : <B>out</B> Natural);<BR>
<B>procedure</B> <A NAME="I6036"></A><A NAME="I6037"></A>Get_Line(Item : <B>out</B> String; Last : <B>out</B> Natural);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>50</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6038"></A><A NAME="I6039"></A>Put_Line(File : <B>in</B> File_Type; Item : <B>in</B> String);<BR>
<B>procedure</B> <A NAME="I6040"></A><A NAME="I6041"></A>Put_Line(Item : <B>in</B> String);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>51</FONT></DIV>
<DIV Class="Examples"><TT>--<I> Generic packages for Input-Output of Integer Types</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>52</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Num <B>is</B> <B>range</B> <>;<BR>
<B>package</B> <A NAME="I6042"></A>Integer_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>53</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6043"></A>Default_Width : Field := Num'Width;<BR>
<A NAME="I6044"></A>Default_Base : Number_Base := 10;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>54</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6045"></A><A NAME="I6046"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);<BR>
<B>procedure</B> <A NAME="I6047"></A><A NAME="I6048"></A>Get(Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>55</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6049"></A><A NAME="I6050"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Num;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Base : <B>in</B> Number_Base := Default_Base);<BR>
<B>procedure</B> <A NAME="I6051"></A><A NAME="I6052"></A>Put(Item : <B>in</B> Num;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Base : <B>in</B> Number_Base := Default_Base);<BR>
<B>procedure</B> <A NAME="I6053"></A><A NAME="I6054"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Num;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6055"></A><A NAME="I6056"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Num;<BR>
Base : <B>in</B> Number_Base := Default_Base);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>56</FONT></DIV>
<DIV Class="Examples"><TT> <B>end</B> Integer_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>57</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Num <B>is</B> <B>mod</B> <>;<BR>
<B>package</B> <A NAME="I6057"></A>Modular_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>58</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6058"></A>Default_Width : Field := Num'Width;<BR>
<A NAME="I6059"></A>Default_Base : Number_Base := 10;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>59</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6060"></A><A NAME="I6061"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);<BR>
<B>procedure</B> <A NAME="I6062"></A><A NAME="I6063"></A>Get(Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>60</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6064"></A><A NAME="I6065"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Num;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Base : <B>in</B> Number_Base := Default_Base);<BR>
<B>procedure</B> <A NAME="I6066"></A><A NAME="I6067"></A>Put(Item : <B>in</B> Num;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Base : <B>in</B> Number_Base := Default_Base);<BR>
<B>procedure</B> <A NAME="I6068"></A><A NAME="I6069"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Num;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6070"></A><A NAME="I6071"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Num;<BR>
Base : <B>in</B> Number_Base := Default_Base);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>61</FONT></DIV>
<DIV Class="Examples"><TT> <B>end</B> Modular_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>62</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Generic packages for Input-Output of Real Types</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>63</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Num <B>is</B> <B>digits</B> <>;<BR>
<B>package</B> <A NAME="I6072"></A>Float_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>64</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6073"></A>Default_Fore : Field := 2;<BR>
<A NAME="I6074"></A>Default_Aft : Field := Num'Digits-1;<BR>
<A NAME="I6075"></A>Default_Exp : Field := 3;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>65</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6076"></A><A NAME="I6077"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);<BR>
<B>procedure</B> <A NAME="I6078"></A><A NAME="I6079"></A>Get(Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>66</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6080"></A><A NAME="I6081"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>procedure</B> <A NAME="I6082"></A><A NAME="I6083"></A>Put(Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>67</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6084"></A><A NAME="I6085"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Num;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6086"></A><A NAME="I6087"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Num;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>end</B> Float_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>68</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Num <B>is</B> <B>delta</B> <>;<BR>
<B>package</B> <A NAME="I6088"></A>Fixed_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>69</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6089"></A>Default_Fore : Field := Num'Fore;<BR>
<A NAME="I6090"></A>Default_Aft : Field := Num'Aft;<BR>
<A NAME="I6091"></A>Default_Exp : Field := 0;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>70</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6092"></A><A NAME="I6093"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);<BR>
<B>procedure</B> <A NAME="I6094"></A><A NAME="I6095"></A>Get(Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>71</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6096"></A><A NAME="I6097"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>procedure</B> <A NAME="I6098"></A><A NAME="I6099"></A>Put(Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>72</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6100"></A><A NAME="I6101"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Num;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6102"></A><A NAME="I6103"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Num;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>end</B> Fixed_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>73</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Num <B>is</B> <B>delta</B> <> <B>digits</B> <>;<BR>
<B>package</B> <A NAME="I6104"></A>Decimal_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>74</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6105"></A>Default_Fore : Field := Num'Fore;<BR>
<A NAME="I6106"></A>Default_Aft : Field := Num'Aft;<BR>
<A NAME="I6107"></A>Default_Exp : Field := 0;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>75</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6108"></A><A NAME="I6109"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);<BR>
<B>procedure</B> <A NAME="I6110"></A><A NAME="I6111"></A>Get(Item : <B>out</B> Num;<BR>
Width : <B>in</B> Field := 0);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>76</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6112"></A><A NAME="I6113"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>procedure</B> <A NAME="I6114"></A><A NAME="I6115"></A>Put(Item : <B>in</B> Num;<BR>
Fore : <B>in</B> Field := Default_Fore;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>77</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6116"></A><A NAME="I6117"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Num;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6118"></A><A NAME="I6119"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Num;<BR>
Aft : <B>in</B> Field := Default_Aft;<BR>
Exp : <B>in</B> Field := Default_Exp);<BR>
<B>end</B> Decimal_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>78</FONT></DIV>
<DIV Class="Examples"><TT> --<I> Generic package for Input-Output of Enumeration Types</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>79</FONT></DIV>
<DIV Class="Examples"><TT> <B>generic</B><BR>
<B>type</B> Enum <B>is</B> (<>);<BR>
<B>package</B> <A NAME="I6120"></A>Enumeration_IO <B>is</B></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>80</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6121"></A>Default_Width : Field := 0;<BR>
<A NAME="I6122"></A>Default_Setting : Type_Set := Upper_Case;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>81</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6123"></A><A NAME="I6124"></A>Get(File : <B>in</B> File_Type;<BR>
Item : <B>out</B> Enum);<BR>
<B>procedure</B> <A NAME="I6125"></A><A NAME="I6126"></A>Get(Item : <B>out</B> Enum);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>82</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6127"></A><A NAME="I6128"></A>Put(File : <B>in</B> File_Type;<BR>
Item : <B>in</B> Enum;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Set : <B>in</B> Type_Set := Default_Setting);<BR>
<B>procedure</B> <A NAME="I6129"></A><A NAME="I6130"></A>Put(Item : <B>in</B> Enum;<BR>
Width : <B>in</B> Field := Default_Width;<BR>
Set : <B>in</B> Type_Set := Default_Setting);</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>83</FONT></DIV>
<DIV Class="Examples"><TT> <B>procedure</B> <A NAME="I6131"></A><A NAME="I6132"></A>Get(From : <B>in</B> String;<BR>
Item : <B>out</B> Enum;<BR>
Last : <B>out</B> Positive);<BR>
<B>procedure</B> <A NAME="I6133"></A><A NAME="I6134"></A>Put(To : <B>out</B> String;<BR>
Item : <B>in</B> Enum;<BR>
Set : <B>in</B> Type_Set := Default_Setting);<BR>
<B>end</B> Enumeration_IO;</TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>84</FONT></DIV>
<DIV Class="Examples"><TT>--<I> Exceptions</I></TT></DIV>
<DIV Class="Paranum"><FONT SIZE=-2>85</FONT></DIV>
<DIV Class="Examples"><TT> <A NAME="I6135"></A>Status_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Status_Error;<BR>
<A NAME="I6136"></A>Mode_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Mode_Error;<BR>
<A NAME="I6137"></A>Name_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Name_Error;<BR>
<A NAME="I6138"></A>Use_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Use_Error;<BR>
<A NAME="I6139"></A>Device_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Device_Error;<BR>
<A NAME="I6140"></A>End_Error : <B>exception</B> <B>renames</B> IO_Exceptions.End_Error;<BR>
<A NAME="I6141"></A>Data_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Data_Error;<BR>
<A NAME="I6142"></A>Layout_Error : <B>exception</B> <B>renames</B> IO_Exceptions.Layout_Error;<BR>
<B>private</B><BR>
... -- <I>not specified by the language</I><BR>
<B>end</B> Ada.Text_IO;</TT></DIV>
<H4 ALIGN=CENTER>Incompatibilities With Ada 83</H4>
<DIV Class="Paranum"><FONT SIZE=-2>85.a</FONT></DIV>
<DIV Class="Annotations"><FONT SIZE=-1><A NAME="I6143"></A>Append_File
is a new element of enumeration type File_Mode. </FONT></DIV>
<H4 ALIGN=CENTER>Extensions to Ada 83</H4>
<DIV Class="Paranum"><FONT SIZE=-2>85.b</FONT></DIV>
<DIV Class="Annotations"><FONT SIZE=-1><A NAME="I6144"></A>Get_Immediate,
Look_Ahead, the subprograms for dealing with standard error, the type
File_Access and its associated subprograms, and the generic packages
Modular_IO and Decimal_IO are new in Ada 95. </FONT></DIV>
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