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+------------------------------------------------------------------------------
+-- --
+-- GNAT COMPILER COMPONENTS --
+-- --
+-- S E M _ C H 7 --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2013, Free Software Foundation, Inc. --
+-- --
+-- GNAT is free software; you can redistribute it and/or modify it under --
+-- terms of the GNU General Public License as published by the Free Soft- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
+-- for more details. You should have received a copy of the GNU General --
+-- Public License distributed with GNAT; see file COPYING3. If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+with Types; use Types;
+
+package Sem_Ch7 is
+
+ procedure Analyze_Package_Body (N : Node_Id);
+ procedure Analyze_Package_Declaration (N : Node_Id);
+ procedure Analyze_Package_Specification (N : Node_Id);
+ procedure Analyze_Private_Type_Declaration (N : Node_Id);
+
+ procedure Analyze_Package_Body_Contract (Body_Id : Entity_Id);
+ -- Analyze all delayed aspects chained on the contract of package body
+ -- Body_Id as if they appeared at the end of a declarative region. The
+ -- aspects that are considered are:
+ -- Refined_State
+
+ procedure Analyze_Package_Contract (Pack_Id : Entity_Id);
+ -- Analyze all delayed aspects chained on the contract of package Pack_Id
+ -- as if they appeared at the end of a declarative region. The aspects
+ -- that are considered are:
+ -- Initial_Condition
+ -- Initializes
+ -- Part_Of
+
+ procedure End_Package_Scope (P : Entity_Id);
+ -- Calls Uninstall_Declarations, and then pops the scope stack
+
+ procedure Exchange_Declarations (Id : Entity_Id);
+ -- Exchange private and full declaration on entry/exit from a package
+ -- declaration or body. The semantic links of the respective nodes
+ -- are preserved in the exchange.
+
+ procedure Install_Visible_Declarations (P : Entity_Id);
+ procedure Install_Private_Declarations (P : Entity_Id);
+
+ -- On entrance to a package body, make declarations in package spec
+ -- immediately visible.
+ --
+ -- When compiling the body of a package, both routines are called in
+ -- succession. When compiling the body of a child package, the call
+ -- to Install_Private_Declaration is immediate for private children,
+ -- but is deferred until the compilation of the private part of the
+ -- child for public child packages.
+
+ function Unit_Requires_Body
+ (P : Entity_Id;
+ Ignore_Abstract_State : Boolean := False) return Boolean;
+ -- Check if a unit requires a body. A specification requires a body if it
+ -- contains declarations that require completion in a body. If the flag
+ -- Ignore_Abstract_State is set True, then the test for a non-null abstract
+ -- state (which normally requires a body) is not carried out. This allows
+ -- the use of this routine to tell if there is some other reason that a
+ -- body is required (as is required for analyzing Abstract_State). This
+ -- is not currently used, but may be useful in future if we implement a
+ -- compatibility mode which warns about possible incompatibilities if a
+ -- SPARK 2014 program is compiled with a SPARK-unaware compiler.
+
+ procedure May_Need_Implicit_Body (E : Entity_Id);
+ -- If a package declaration contains tasks or RACWs and does not require
+ -- a body, create an implicit body at the end of the current declarative
+ -- part to activate those tasks or contain the bodies for the RACW
+ -- calling stubs.
+
+ procedure New_Private_Type (N : Node_Id; Id : Entity_Id; Def : Node_Id);
+ -- Common processing for private type declarations and for formal private
+ -- type declarations. For private types, N and Def are the type declaration
+ -- node; for formal private types, Def is the formal type definition.
+
+ procedure Uninstall_Declarations (P : Entity_Id);
+ -- At the end of a package declaration or body, declarations in the visible
+ -- part are no longer immediately visible, and declarations in the private
+ -- part are not visible at all. For inner packages, place visible entities
+ -- at the end of their homonym chains. For compilation units, make
+ -- all entities invisible. In both cases, exchange private and visible
+ -- declarations to restore order of elaboration.
+
+end Sem_Ch7;