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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 -- P R E P C O M P --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 2002-2019, 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 package stores all preprocessing data for the compiler
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27
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28 with Namet; use Namet;
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29 with Types; use Types;
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30
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31 package Prepcomp is
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32
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33 procedure Add_Dependency (S : Source_File_Index);
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34 -- Add a dependency on a non-source file. This is used internally for the
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35 -- preprocessing data file and the preprocessing definition file, and also
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36 -- externally for non-temporary configuration pragmas files.
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37
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38 procedure Add_Dependencies;
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39 -- Add dependencies on the preprocessing data file and the preprocessing
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40 -- definition files, if any, and the non-temporary configuration pragmas
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41 -- files, if any.
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42
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43 procedure Check_Symbols;
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44 -- Check if there are preprocessing symbols on the command line and set
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45 -- preprocessing if there are some: all files are preprocessed with these
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46 -- symbols. This procedure should not be called if there is a preprocessing
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47 -- data file specified on the command line. Instead a call should be made
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48 -- to Parse_Preprocessing_Data_File.
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49
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50 procedure Parse_Preprocessing_Data_File (N : File_Name_Type);
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51 -- Parse a preprocessing data file, specified with a -gnatep= switch
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52
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53 procedure Prepare_To_Preprocess
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54 (Source : File_Name_Type;
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55 Preprocessing_Needed : out Boolean);
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56 -- Prepare, if necessary, the preprocessor for a source file. If the source
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57 -- file needs to be preprocessed, Preprocessing_Needed is set to True.
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58 -- Otherwise, Preprocessing_Needed is set to False and no preprocessing
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59 -- needs to be done.
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60
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61 procedure Process_Command_Line_Symbol_Definitions;
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62 -- Check symbol definitions that have been added by calls to procedure
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63 -- Add_Symbol_Definition and stored as pointers to string, and put them in
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64 -- a table. The reason the definitions were stored as pointer to strings is
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65 -- that the name table is not yest initialized when we process the command
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66 -- line switches. These symbol definitions will be later used in
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67 -- the call to Prepare_To_Preprocess.
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68
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69 end Prepcomp;
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