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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 -- S E M _ C H 1 0 --
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6 -- --
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7 -- S p e c --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, 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 with Types; use Types;
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27
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28 package Sem_Ch10 is
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29 procedure Analyze_Compilation_Unit (N : Node_Id);
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30 procedure Analyze_With_Clause (N : Node_Id);
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31 procedure Analyze_Subprogram_Body_Stub (N : Node_Id);
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32 procedure Analyze_Package_Body_Stub (N : Node_Id);
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33 procedure Analyze_Task_Body_Stub (N : Node_Id);
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34 procedure Analyze_Protected_Body_Stub (N : Node_Id);
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35 procedure Analyze_Subunit (N : Node_Id);
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36
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37 procedure Install_Context (N : Node_Id; Chain : Boolean := True);
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38 -- Installs the entities from the context clause of the given compilation
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39 -- unit into the visibility chains. This is done before analyzing a unit.
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40 -- For a child unit, install context of parents as well. The flag Chain is
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41 -- used to control the "chaining" or linking of use-type and use-package
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42 -- clauses to avoid circularities when reinstalling context clauses.
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43
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44 procedure Install_Private_With_Clauses (P : Entity_Id);
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45 -- Install the private with_clauses of a compilation unit, when compiling
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46 -- its private part, compiling a private child unit, or compiling the
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47 -- private declarations of a public child unit.
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48
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49 function Is_Legal_Shadow_Entity_In_Body (T : Entity_Id) return Boolean;
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50 -- Assuming that type T is an incomplete type coming from a limited with
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51 -- view, determine whether the package where T resides is imported through
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52 -- a regular with clause in the current package body.
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53
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54 procedure Remove_Context (N : Node_Id);
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55 -- Removes the entities from the context clause of the given compilation
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56 -- unit from the visibility chains. This is done on exit from a unit as
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57 -- part of cleaning up the visibility chains for the caller. A special
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58 -- case is that the call from the Main_Unit can be ignored, since at the
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59 -- end of the main unit the visibility table won't be needed in any case.
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60 -- For a child unit, remove parents and their context as well.
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61
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62 procedure Remove_Private_With_Clauses (Comp_Unit : Node_Id);
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63 -- The private_with_clauses of a compilation unit are visible in the
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64 -- private part of a nested package, even if this package appears in
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65 -- the visible part of the enclosing compilation unit. This Ada 2005
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66 -- rule imposes extra steps in order to install/remove the private_with
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67 -- clauses of an enclosing unit.
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68
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69 procedure Load_Needed_Body
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70 (N : Node_Id;
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71 OK : out Boolean;
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72 Do_Analyze : Boolean := True);
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73 -- Load and analyze the body of a context unit that is generic, or that
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74 -- contains generic units or inlined units. The body becomes part of the
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75 -- semantic dependency set of the unit that needs it. The returned result
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76 -- in OK is True if the load is successful, and False if the requested file
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77 -- cannot be found. If the flag Do_Analyze is false, the unit is loaded and
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78 -- parsed only. This allows a selective analysis in some inlining cases
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79 -- where a full analysis would lead so circularities in the back-end.
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80
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81 end Sem_Ch10;
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