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Diffstat (limited to 'gcc-4.2.1/gcc/ada/sem_ch8.ads')
-rw-r--r-- | gcc-4.2.1/gcc/ada/sem_ch8.ads | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/gcc-4.2.1/gcc/ada/sem_ch8.ads b/gcc-4.2.1/gcc/ada/sem_ch8.ads deleted file mode 100644 index 1439a8886..000000000 --- a/gcc-4.2.1/gcc/ada/sem_ch8.ads +++ /dev/null @@ -1,160 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- S E M _ C H 8 -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2004 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, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, USA. -- --- -- --- 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_Ch8 is - - ----------------------------------- - -- Handling extensions of System -- - ----------------------------------- - - -- For targets that define a much larger System package than given in - -- the RM, we use a child package containing additional declarations, - -- which is loaded when needed, and whose entities are conceptually - -- within System itself. The presence of this auxiliary package is - -- controlled with the pragma Extend_System. The following variable - -- holds the entity of the auxiliary package, to simplify the special - -- visibility rules that apply to it. - - System_Aux_Id : Entity_Id := Empty; - - ----------------- - -- Subprograms -- - ----------------- - - procedure Analyze_Exception_Renaming (N : Node_Id); - procedure Analyze_Expanded_Name (N : Node_Id); - procedure Analyze_Generic_Function_Renaming (N : Node_Id); - procedure Analyze_Generic_Package_Renaming (N : Node_Id); - procedure Analyze_Generic_Procedure_Renaming (N : Node_Id); - procedure Analyze_Object_Renaming (N : Node_Id); - procedure Analyze_Package_Renaming (N : Node_Id); - procedure Analyze_Subprogram_Renaming (N : Node_Id); - procedure Analyze_Use_Package (N : Node_Id); - procedure Analyze_Use_Type (N : Node_Id); - - procedure End_Scope; - -- Called at end of scope. On exit from blocks and bodies (subprogram, - -- package, task, and protected bodies), the name of the current scope - -- must be removed from the scope stack, and the local entities must be - -- removed from their homonym chains. On exit from record declarations, - -- from package specifications, and from tasks and protected type - -- specifications, more specialized procedures are invoked. - - procedure End_Use_Clauses (Clause : Node_Id); - -- Invoked on scope exit, to undo the effect of local use clauses. Clause - -- is the first use-clause of a scope being exited. This can be the current - -- scope, or some enclosing scopes when building a clean environment to - -- compile an instance body for inlining. - - procedure End_Use_Package (N : Node_Id); - procedure End_Use_Type (N : Node_Id); - -- Subsidiaries of End_Use_Clauses. Also called directly for use clauses - -- appearing in context clauses. - - procedure Find_Direct_Name (N : Node_Id); - -- Given a direct name (Identifier or Operator_Symbol), this routine - -- scans the homonym chain for the name searching for corresponding - -- visible entities to find the referenced entity (or in the case of - -- overloading), entities. On return, the Entity, and Etype fields - -- are set. In the non-overloaded case, these are the correct final - -- entries. In the overloaded case, Is_Overloaded is set, Etype and - -- Entity refer to an arbitrary element of the overloads set, and - -- an appropriate list of entries has been made in the overload - -- interpretation table (to be disambiguated in the resolve phase). - - procedure Find_Selected_Component (N : Node_Id); - -- Resolve various cases of selected components, recognize expanded names - - procedure Find_Type (N : Node_Id); - -- Perform name resolution, and verify that the name found is that of a - -- type. On return the Entity and Etype fields of the node N are set - -- appropriately. If it is an incomplete type whose full declaration has - -- been seen, they are set to the entity in the full declaration. - -- Similarly, if the type is private, it has received a full declaration, - -- and we are in the private part or body of the package, then the two - -- fields are set to the entity of the full declaration as well. This - -- procedure also provides special processing for Class types as well. - - function Get_Full_View (T_Name : Entity_Id) return Entity_Id; - -- If T_Name is an incomplete type and the full declaration has been - -- seen, or is the name of a class_wide type whose root is incomplete. - -- return the corresponding full declaration. - - procedure Initialize; - -- Initializes data structures used for visibility analysis. Must be - -- called before analyzing each new main source program. - - procedure Install_Use_Clauses - (Clause : Node_Id; - Force_Installation : Boolean := False); - -- Applies the use clauses appearing in a given declarative part, - -- when the corresponding scope has been placed back on the scope - -- stack after unstacking to compile a different context (subunit or - -- parent of generic body). Force_Installation is used when called from - -- Analyze_Subunit.Re_Install_Use_Clauses to insure that, after the - -- analysis of the subunit, the parent's environment is again identical. - - function In_Open_Scopes (S : Entity_Id) return Boolean; - -- S is the entity of a scope. This function determines if this scope - -- is currently open (i.e. it appears somewhere in the scope stack). - - procedure New_Scope (S : Entity_Id); - -- Make new scope stack entry, pushing S, the entity for a scope - -- onto the top of the scope table. The current setting of the scope - -- suppress flags is saved for restoration on exit. - - procedure Pop_Scope; - -- Remove top entry from scope stack, restoring the saved setting - -- of the scope suppress flags. - - function Present_System_Aux (N : Node_Id := Empty) return Boolean; - -- Return True if the auxiliary system file has been successfully loaded. - -- Otherwise attempt to load it, using the name supplied by a previous - -- Extend_System pragma, and report on the success of the load. - -- If N is present, it is a selected component whose prefix is System, - -- or else a with-clause on system. N is absent when the function is - -- called to find the visibility of implicit operators. - - procedure Restore_Scope_Stack (Handle_Use : Boolean := True); - procedure Save_Scope_Stack (Handle_Use : Boolean := True); - -- These two procedures are called from Semantics, when a unit U1 is - -- to be compiled in the course of the compilation of another unit U2. - -- This happens whenever Rtsfind is called. U1, the unit retrieved by - -- Rtsfind, must be compiled in its own context, and the current scope - -- stack containing U2 and local scopes must be made unreachable. On - -- return, the contents of the scope stack must be made accessible again. - -- The flag Handle_Use indicates whether local use clauses must be - -- removed/installed. In the case of inlining of instance bodies, the - -- visiblity handling is done fully in Inline_Instance_Body, and use - -- clauses are handled there. - - procedure Set_Use (L : List_Id); - -- Find use clauses that are declarative items in a package declaration - -- and set the potentially use-visible flags of imported entities before - -- analyzing the corresponding package body. - -end Sem_Ch8; |