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Diffstat (limited to 'gcc-4.9/gcc/ada/sem_ch7.ads')
-rw-r--r-- | gcc-4.9/gcc/ada/sem_ch7.ads | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/ada/sem_ch7.ads b/gcc-4.9/gcc/ada/sem_ch7.ads new file mode 100644 index 000000000..b74e4667b --- /dev/null +++ b/gcc-4.9/gcc/ada/sem_ch7.ads @@ -0,0 +1,101 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |