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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT COMPILER COMPONENTS --
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4 -- --
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5 -- F N A M E . S F --
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6 -- --
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7 -- S p e c --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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17 -- for more details. You should have received a copy of the GNU General --
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18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
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19 -- http://www.gnu.org/licenses for a complete copy of the license. --
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20 -- --
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21 -- GNAT was originally developed by the GNAT team at New York University. --
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22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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23 -- --
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24 ------------------------------------------------------------------------------
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25
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26 -- This child package contains a routine to read and process Source_File_Name
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27 -- pragmas from the gnat.adc file in the current directory. In order to use
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28 -- the routines in package Fname.UF, it is required that Source_File_Name
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29 -- pragmas be processed. There are two places where such processing takes
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30 -- place:
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31
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32 -- The compiler front end (par-prag.adb), which is the general circuit
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33 -- for processing all pragmas, including Source_File_Name.
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34
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35 -- The stand alone routine in this unit, which is convenient to use
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36 -- from tools that do not want to include the compiler front end.
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37
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38 -- Note that this unit does depend on several of the compiler front-end
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39 -- sources, including osint. If it is necessary to scan source file name
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40 -- pragmas with less dependence on such sources, look at unit SFN_Scan.
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41
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42 package Fname.SF is
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43
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44 procedure Read_Source_File_Name_Pragmas;
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45 -- This procedure is called to read the gnat.adc file and process any
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46 -- Source_File_Name pragmas contained in this file. All other pragmas
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47 -- are ignored. The result is appropriate calls to routines in the
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48 -- package Fname.UF to register the pragmas so that subsequent calls
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49 -- to Get_File_Name work correctly.
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50 --
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51 -- Note: The caller must have made an appropriate call to the
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52 -- Osint.Initialize routine to initialize Osint before calling
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53 -- this procedure.
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54 --
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55 -- If a syntax error is detected while scanning the gnat.adc file,
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56 -- then the exception SFN_Scan.Syntax_Error_In_GNAT_ADC is raised
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57 -- and SFN_Scan.Cursor contains the approximate index relative to
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58 -- the start of the gnat.adc file of the error.
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59
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60 end Fname.SF;
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