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jeremybenn |
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S C A N S --
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-- --
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-- B o d y --
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-- --
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-- Copyright (C) 1992-2009, 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. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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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 Snames; use Snames;
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package body Scans is
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-----------------------------
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-- Initialize_Ada_Keywords --
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-----------------------------
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procedure Initialize_Ada_Keywords is
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procedure Set_Reserved (N : Name_Id; T : Token_Type);
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pragma Inline (Set_Reserved);
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-- Set given name as a reserved word (T is the corresponding token)
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------------------
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-- Set_Reserved --
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------------------
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procedure Set_Reserved (N : Name_Id; T : Token_Type) is
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begin
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-- Set up Token_Type values in Names table entries for reserved
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-- words. We use the Pos value of the Token_Type value. Note that
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-- Is_Keyword_Name relies on the fact that Token_Type'Val (0) is not
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-- a reserved word!
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Set_Name_Table_Byte (N, Token_Type'Pos (T));
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end Set_Reserved;
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-- Start of processing for Initialize_Ada_Keywords
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begin
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-- Establish reserved words
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Set_Reserved (Name_Abort, Tok_Abort);
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Set_Reserved (Name_Abs, Tok_Abs);
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Set_Reserved (Name_Abstract, Tok_Abstract);
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Set_Reserved (Name_Accept, Tok_Accept);
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Set_Reserved (Name_Access, Tok_Access);
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Set_Reserved (Name_And, Tok_And);
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Set_Reserved (Name_Aliased, Tok_Aliased);
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Set_Reserved (Name_All, Tok_All);
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Set_Reserved (Name_Array, Tok_Array);
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Set_Reserved (Name_At, Tok_At);
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Set_Reserved (Name_Begin, Tok_Begin);
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Set_Reserved (Name_Body, Tok_Body);
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Set_Reserved (Name_Case, Tok_Case);
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Set_Reserved (Name_Constant, Tok_Constant);
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Set_Reserved (Name_Declare, Tok_Declare);
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Set_Reserved (Name_Delay, Tok_Delay);
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Set_Reserved (Name_Delta, Tok_Delta);
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Set_Reserved (Name_Digits, Tok_Digits);
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Set_Reserved (Name_Do, Tok_Do);
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Set_Reserved (Name_Else, Tok_Else);
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Set_Reserved (Name_Elsif, Tok_Elsif);
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Set_Reserved (Name_End, Tok_End);
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Set_Reserved (Name_Entry, Tok_Entry);
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Set_Reserved (Name_Exception, Tok_Exception);
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Set_Reserved (Name_Exit, Tok_Exit);
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Set_Reserved (Name_For, Tok_For);
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Set_Reserved (Name_Function, Tok_Function);
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Set_Reserved (Name_Generic, Tok_Generic);
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Set_Reserved (Name_Goto, Tok_Goto);
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Set_Reserved (Name_If, Tok_If);
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Set_Reserved (Name_In, Tok_In);
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Set_Reserved (Name_Is, Tok_Is);
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Set_Reserved (Name_Limited, Tok_Limited);
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Set_Reserved (Name_Loop, Tok_Loop);
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Set_Reserved (Name_Mod, Tok_Mod);
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Set_Reserved (Name_New, Tok_New);
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Set_Reserved (Name_Not, Tok_Not);
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Set_Reserved (Name_Null, Tok_Null);
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Set_Reserved (Name_Of, Tok_Of);
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Set_Reserved (Name_Or, Tok_Or);
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Set_Reserved (Name_Others, Tok_Others);
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Set_Reserved (Name_Out, Tok_Out);
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Set_Reserved (Name_Package, Tok_Package);
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Set_Reserved (Name_Pragma, Tok_Pragma);
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Set_Reserved (Name_Private, Tok_Private);
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Set_Reserved (Name_Procedure, Tok_Procedure);
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Set_Reserved (Name_Protected, Tok_Protected);
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Set_Reserved (Name_Raise, Tok_Raise);
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Set_Reserved (Name_Range, Tok_Range);
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Set_Reserved (Name_Record, Tok_Record);
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Set_Reserved (Name_Rem, Tok_Rem);
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Set_Reserved (Name_Renames, Tok_Renames);
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Set_Reserved (Name_Requeue, Tok_Requeue);
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Set_Reserved (Name_Return, Tok_Return);
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Set_Reserved (Name_Reverse, Tok_Reverse);
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Set_Reserved (Name_Select, Tok_Select);
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Set_Reserved (Name_Separate, Tok_Separate);
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Set_Reserved (Name_Subtype, Tok_Subtype);
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Set_Reserved (Name_Tagged, Tok_Tagged);
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Set_Reserved (Name_Task, Tok_Task);
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Set_Reserved (Name_Terminate, Tok_Terminate);
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Set_Reserved (Name_Then, Tok_Then);
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Set_Reserved (Name_Type, Tok_Type);
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Set_Reserved (Name_Until, Tok_Until);
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Set_Reserved (Name_Use, Tok_Use);
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Set_Reserved (Name_When, Tok_When);
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Set_Reserved (Name_While, Tok_While);
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Set_Reserved (Name_With, Tok_With);
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Set_Reserved (Name_Xor, Tok_Xor);
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-- Ada 2005 reserved words
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Set_Reserved (Name_Interface, Tok_Interface);
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Set_Reserved (Name_Overriding, Tok_Overriding);
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Set_Reserved (Name_Synchronized, Tok_Synchronized);
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end Initialize_Ada_Keywords;
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------------------------
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-- Restore_Scan_State --
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------------------------
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procedure Restore_Scan_State (Saved_State : Saved_Scan_State) is
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begin
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Scan_Ptr := Saved_State.Save_Scan_Ptr;
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Token := Saved_State.Save_Token;
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Token_Ptr := Saved_State.Save_Token_Ptr;
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Current_Line_Start := Saved_State.Save_Current_Line_Start;
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Start_Column := Saved_State.Save_Start_Column;
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Checksum := Saved_State.Save_Checksum;
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First_Non_Blank_Location := Saved_State.Save_First_Non_Blank_Location;
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Token_Node := Saved_State.Save_Token_Node;
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Token_Name := Saved_State.Save_Token_Name;
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Prev_Token := Saved_State.Save_Prev_Token;
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Prev_Token_Ptr := Saved_State.Save_Prev_Token_Ptr;
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end Restore_Scan_State;
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---------------------
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-- Save_Scan_State --
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---------------------
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procedure Save_Scan_State (Saved_State : out Saved_Scan_State) is
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begin
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Saved_State.Save_Scan_Ptr := Scan_Ptr;
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Saved_State.Save_Token := Token;
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Saved_State.Save_Token_Ptr := Token_Ptr;
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Saved_State.Save_Current_Line_Start := Current_Line_Start;
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Saved_State.Save_Start_Column := Start_Column;
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Saved_State.Save_Checksum := Checksum;
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Saved_State.Save_First_Non_Blank_Location := First_Non_Blank_Location;
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Saved_State.Save_Token_Node := Token_Node;
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Saved_State.Save_Token_Name := Token_Name;
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Saved_State.Save_Prev_Token := Prev_Token;
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Saved_State.Save_Prev_Token_Ptr := Prev_Token_Ptr;
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end Save_Scan_State;
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end Scans;
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