d0e6940256
2014-01-29 Robert Dewar <dewar@adacore.com> * exp_ch9.adb, sem_ch7.ads, s-regexp.adb, sem_ch13.adb: Minor reformatting and code clean up. * gnat_ugn.texi: Add documentation section on Atomic Variables and Optimization. From-SVN: r207253
101 lines
5.5 KiB
Ada
101 lines
5.5 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) 1992-2013, 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 Analyze_Package_Body_Contract (Body_Id : Entity_Id);
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-- Analyze all delayed aspects chained on the contract of package body
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-- Body_Id as if they appeared at the end of a declarative region. The
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-- aspects that are considered are:
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-- Refined_State
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procedure Analyze_Package_Contract (Pack_Id : Entity_Id);
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-- Analyze all delayed aspects chained on the contract of package Pack_Id
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-- as if they appeared at the end of a declarative region. The aspects
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-- that are considered are:
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-- Initial_Condition
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-- Initializes
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-- Part_Of
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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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(P : Entity_Id;
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Ignore_Abstract_State : Boolean := False) return Boolean;
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-- Check if a unit requires a body. A specification requires a body if it
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-- contains declarations that require completion in a body. If the flag
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-- Ignore_Abstract_State is set True, then the test for a non-null abstract
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-- state (which normally requires a body) is not carried out. This allows
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-- the use of this routine to tell if there is some other reason that a
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-- body is required (as is required for analyzing Abstract_State). This
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-- is not currently used, but may be useful in future if we implement a
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-- compatibility mode which warns about possible incompatibilities if a
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-- SPARK 2014 program is compiled with a SPARK-unaware compiler.
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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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