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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- P A R . C H 8 -- -- -- -- B o d y -- -- -- -- Copyright (C) 1992-2007, 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. -- -- -- ------------------------------------------------------------------------------ pragma Style_Checks (All_Checks); -- Turn off subprogram body ordering check. Subprograms are in order -- by RM section rather than alphabetical separate (Par) package body Ch8 is ----------------------- -- Local Subprograms -- ----------------------- function P_Use_Package_Clause return Node_Id; function P_Use_Type_Clause return Node_Id; --------------------- -- 8.4 Use Clause -- --------------------- -- USE_CLAUSE ::= USE_PACKAGE_CLAUSE | USE_TYPE_CLAUSE -- The caller has checked that the initial token is USE -- Error recovery: cannot raise Error_Resync function P_Use_Clause return Node_Id is begin Scan; -- past USE if Token = Tok_Type then return P_Use_Type_Clause; else return P_Use_Package_Clause; end if; end P_Use_Clause; ----------------------------- -- 8.4 Use Package Clause -- ----------------------------- -- USE_PACKAGE_CLAUSE ::= use package_NAME {, package_NAME}; -- The caller has scanned out the USE keyword -- Error recovery: cannot raise Error_Resync function P_Use_Package_Clause return Node_Id is Use_Node : Node_Id; begin Use_Node := New_Node (N_Use_Package_Clause, Prev_Token_Ptr); Set_Names (Use_Node, New_List); if Token = Tok_Package then Error_Msg_SC ("PACKAGE should not appear here"); Scan; -- past PACKAGE end if; loop Append (P_Qualified_Simple_Name, Names (Use_Node)); exit when Token /= Tok_Comma; Scan; -- past comma end loop; TF_Semicolon; return Use_Node; end P_Use_Package_Clause; -------------------------- -- 8.4 Use Type Clause -- -------------------------- -- USE_TYPE_CLAUSE ::= use type SUBTYPE_MARK {, SUBTYPE_MARK}; -- The caller has checked that the initial token is USE, scanned it out -- and that the current token is TYPE. -- Error recovery: cannot raise Error_Resync function P_Use_Type_Clause return Node_Id is Use_Node : Node_Id; begin Use_Node := New_Node (N_Use_Type_Clause, Prev_Token_Ptr); Set_Subtype_Marks (Use_Node, New_List); if Ada_Version = Ada_83 then Error_Msg_SC ("(Ada 83) use type not allowed!"); end if; Scan; -- past TYPE loop Append (P_Subtype_Mark, Subtype_Marks (Use_Node)); No_Constraint; exit when Token /= Tok_Comma; Scan; -- past comma end loop; TF_Semicolon; return Use_Node; end P_Use_Type_Clause; ------------------------------- -- 8.5 Renaming Declaration -- ------------------------------- -- Object renaming declarations and exception renaming declarations -- are parsed by P_Identifier_Declaration (3.3.1) -- Subprogram renaming declarations are parsed by P_Subprogram (6.1) -- Package renaming declarations are parsed by P_Package (7.1) -- Generic renaming declarations are parsed by P_Generic (12.1) ---------------------------------------- -- 8.5.1 Object Renaming Declaration -- ---------------------------------------- -- Parsed by P_Identifier_Declarations (3.3.1) ---------------------------------------- -- 8.5.2 Exception Renaming Declaration -- ---------------------------------------- -- Parsed by P_Identifier_Declarations (3.3.1) ----------------------------------------- -- 8.5.3 Package Renaming Declaration -- ----------------------------------------- -- Parsed by P_Package (7.1) -------------------------------------------- -- 8.5.4 Subprogram Renaming Declaration -- -------------------------------------------- -- Parsed by P_Subprogram (6.1) ----------------------------------------- -- 8.5.2 Generic Renaming Declaration -- ----------------------------------------- -- Parsed by P_Generic (12.1) end Ch8;
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