85 lines
4.7 KiB
Ada
85 lines
4.7 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S E M _ C H 7 --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2016, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Types; use Types;
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package Sem_Ch7 is
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procedure Analyze_Package_Body (N : Node_Id);
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procedure Analyze_Package_Declaration (N : Node_Id);
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procedure Analyze_Package_Specification (N : Node_Id);
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procedure Analyze_Private_Type_Declaration (N : Node_Id);
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procedure End_Package_Scope (P : Entity_Id);
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-- Calls Uninstall_Declarations, and then pops the scope stack
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procedure Exchange_Declarations (Id : Entity_Id);
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-- Exchange private and full declaration on entry/exit from a package
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-- declaration or body. The semantic links of the respective nodes
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-- are preserved in the exchange.
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procedure Install_Visible_Declarations (P : Entity_Id);
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procedure Install_Private_Declarations (P : Entity_Id);
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-- On entrance to a package body, make declarations in package spec
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-- immediately visible.
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--
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-- When compiling the body of a package, both routines are called in
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-- succession. When compiling the body of a child package, the call
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-- to Install_Private_Declaration is immediate for private children,
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-- but is deferred until the compilation of the private part of the
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-- child for public child packages.
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function Unit_Requires_Body
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(Pack_Id : Entity_Id;
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Do_Abstract_States : Boolean := False) return Boolean;
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-- Determine whether package Pack_Id requires a body. A specification needs
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-- a body if it contains declarations that require completion in the body.
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-- A non-Ghost [generic] package does not require a body when it declares
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-- Ghost entities exclusively. When flag Do_Abstract_States is set to True,
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-- non-null abstract states are considered in determining the need for a
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-- body.
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procedure May_Need_Implicit_Body (E : Entity_Id);
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-- If a package declaration contains tasks or RACWs and does not require
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-- a body, create an implicit body at the end of the current declarative
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-- part to activate those tasks or contain the bodies for the RACW
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-- calling stubs.
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procedure New_Private_Type (N : Node_Id; Id : Entity_Id; Def : Node_Id);
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-- Common processing for private type declarations and for formal private
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-- type declarations. For private types, N and Def are the type declaration
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-- node; for formal private types, Def is the formal type definition.
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procedure Uninstall_Declarations (P : Entity_Id);
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-- At the end of a package declaration or body, declarations in the visible
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-- part are no longer immediately visible, and declarations in the private
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-- part are not visible at all. For inner packages, place visible entities
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-- at the end of their homonym chains. For compilation units, make
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-- all entities invisible. In both cases, exchange private and visible
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-- declarations to restore order of elaboration.
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end Sem_Ch7;
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