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Diffstat (limited to 'gcc/ada/sem_ch7.ads')
| -rw-r--r-- | gcc/ada/sem_ch7.ads | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/gcc/ada/sem_ch7.ads b/gcc/ada/sem_ch7.ads new file mode 100644 index 00000000000..057c73ca655 --- /dev/null +++ b/gcc/ada/sem_ch7.ads @@ -0,0 +1,87 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT COMPILER COMPONENTS -- +-- -- +-- S E M _ C H 7 -- +-- -- +-- S p e c -- +-- -- +-- $Revision: 1.19 $ -- +-- -- +-- Copyright (C) 1992,1993,1994 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 2, 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 COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). -- +-- -- +------------------------------------------------------------------------------ + +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 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 deffered until the compilation of the private part of the + -- child for public child packages. + + procedure Install_Package_Entity (Id : Entity_Id); + -- Basic procedure for the previous two. Places one entity on its + -- visibility chain, and recurses on the visible part if the entity + -- is an inner package. + + function Unit_Requires_Body (P : Entity_Id) return Boolean; + -- Check if a unit requires a body. A specification requires a body + -- if it contains declarations that require completion in a body. + + procedure May_Need_Implicit_Body (E : Entity_Id); + -- If a package declaration contains tasks and does not require a + -- body, create an implicit body at the end of the current declarative + -- part to activate those tasks. + + function Is_Fully_Visible (Type_Id : Entity_Id) return Boolean; + -- Indicates whether the Full Declaration of a private type is visible. + + 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; |