Commit e7aea0fa by Robert Dewar Committed by Arnaud Charlet

Make-lang.in, [...]: Reorganize style units.

2009-04-09  Robert Dewar  <dewar@adacore.com>

	* gcc-interface/Make-lang.in, style.ads, style.adb: Reorganize style
	units.

	* styleg-c.ads, styleg-c.adb: Removed, no longer used.

From-SVN: r145831
parent 1c383b4c
2009-04-09 Robert Dewar <dewar@adacore.com>
* gcc-interface/Make-lang.in, style.ads, style.adb: Reorganize style
units.
* styleg-c.ads, styleg-c.adb: Removed, no longer used.
2009-04-09 Robert Dewar <dewar@adacore.com>
* g-comver.adb: Minor reformatting.
2009-04-09 Thomas Quinot <quinot@adacore.com>
......@@ -23,38 +23,53 @@
-- --
------------------------------------------------------------------------------
-- This package collects all the routines used for style checking, as
-- activated by the relevant command line option. These are gathered in a
-- separate package so that they can more easily be customized. Calls to
-- these subprograms are only made if Opt.Style_Check is set True.
-- This package collects all the routines used for style checking in the
-- compiler, as activated by the relevant command line option. These are
-- gathered in a separate package so that they can more easily be customized.
-- Calls to these subprograms are only made if Opt.Style_Check is set True.
with Errout;
with Styleg;
with Styleg.C;
with Types; use Types;
package Style is
procedure Body_With_No_Spec (N : Node_Id);
-- Called where N is a subprogram body node for a subprogram body
-- for which no spec was given, i.e. a body acting as its own spec.
procedure Check_Array_Attribute_Index
(N : Node_Id;
E1 : Node_Id;
D : Int);
-- Called for an array attribute specifying an index number. N is the
-- node for the attribute, and E1 is the index expression (Empty if none
-- present). If E1 is present, it is known to be a static integer. D is
-- the number of dimensions of the array.
procedure Check_Identifier
(Ref : Node_Or_Entity_Id;
Def : Node_Or_Entity_Id);
-- Check style of identifier occurrence. Ref is an N_Identifier node whose
-- spelling is to be checked against the Chars spelling in identifier node
-- Def (which may be either an N_Identifier, or N_Defining_Identifier node)
procedure Missing_Overriding (N : Node_Id; E : Entity_Id);
-- Called where N is the declaration or body of an overriding operation,
-- and the node does not have an overriding_indicator.
procedure Subprogram_Not_In_Alpha_Order (Name : Node_Id);
-- Called if Name is the name of a subprogram body in a package body
-- that is not in alphabetical order.
-- Remaining style routines come from instantiation of Styleg
package Style_Inst is new Styleg
(Errout.Error_Msg,
Errout.Error_Msg_S,
Errout.Error_Msg_SC,
Errout.Error_Msg_SP);
-- Instantiation of Styleg for all subprograms that do not depend directly
-- depend on the GNAT tree.
package Style_C_Inst is new Style_Inst.C
(Errout.Error_Msg_N);
-- Instantiation of Styleg.C for the subprograms that depend directly
-- on the GNAT tree.
-- All subroutines below are renames of subroutines in the two
-- instantiations above.
procedure Body_With_No_Spec (N : Node_Id)
renames Style_C_Inst.Body_With_No_Spec;
-- Called where N is a subprogram body node for a subprogram body
-- for which no spec was given, i.e. a body acting as its own spec.
-- Instantiation of Styleg for compiler use
procedure Check_Abs_Not
renames Style_Inst.Check_Abs_Not;
......@@ -64,16 +79,6 @@ package Style is
renames Style_Inst.Check_Apostrophe;
-- Called after scanning an apostrophe to check spacing
procedure Check_Array_Attribute_Index
(N : Node_Id;
E1 : Node_Id;
D : Int)
renames Style_C_Inst.Check_Array_Attribute_Index;
-- Called for an array attribute specifying an index number. N is the
-- node for the attribute, and E1 is the index expression (Empty if none
-- present). If E1 is present, it is known to be a static integer. D is
-- the number of dimensions of the array.
procedure Check_Arrow
renames Style_Inst.Check_Arrow;
-- Called after scanning out an arrow to check spacing
......@@ -128,14 +133,6 @@ package Style is
renames Style_Inst.Check_HT;
-- Called with Scan_Ptr pointing to a horizontal tab character
procedure Check_Identifier
(Ref : Node_Or_Entity_Id;
Def : Node_Or_Entity_Id)
renames Style_C_Inst.Check_Identifier;
-- Check style of identifier occurrence. Ref is an N_Identifier node whose
-- spelling is to be checked against the Chars spelling in identifier node
-- Def (which may be either an N_Identifier, or N_Defining_Identifier node)
procedure Check_Indentation
renames Style_Inst.Check_Indentation;
-- Called at the start of a new statement or declaration, with Token_Ptr
......@@ -187,11 +184,6 @@ package Style is
-- Called after scanning a conditional expression that has at least one
-- level of parentheses around the entire expression.
procedure Missing_Overriding (N : Node_Id; E : Entity_Id)
renames Style_C_Inst.Missing_Overriding;
-- Called where N is the declaration or body of an overriding operation of
-- a tagged type, and does not have an overriding_indicator.
function Mode_In_Check return Boolean
renames Style_Inst.Mode_In_Check;
-- Determines whether style checking is active and the Mode_In_Check is
......@@ -224,9 +216,4 @@ package Style is
-- Determines whether style checking is active and the RM column check
-- mode is set requiring checking of RM format layout.
procedure Subprogram_Not_In_Alpha_Order (Name : Node_Id)
renames Style_C_Inst.Subprogram_Not_In_Alpha_Order;
-- Called if Name is the name of a subprogram body in a package body
-- that is not in alphabetical order.
end Style;
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S T Y L E G . C --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2008, 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 Atree; use Atree;
with Casing; use Casing;
with Csets; use Csets;
with Einfo; use Einfo;
with Err_Vars; use Err_Vars;
with Namet; use Namet;
with Sinfo; use Sinfo;
with Sinput; use Sinput;
with Stand; use Stand;
with Stylesw; use Stylesw;
package body Styleg.C is
-----------------------
-- Body_With_No_Spec --
-----------------------
-- If the check specs mode (-gnatys) is set, then all subprograms must
-- have specs unless they are parameterless procedures that are not child
-- units at the library level (i.e. they are possible main programs).
procedure Body_With_No_Spec (N : Node_Id) is
begin
if Style_Check_Specs then
if Nkind (Parent (N)) = N_Compilation_Unit then
declare
Spec : constant Node_Id := Specification (N);
Defnm : constant Node_Id := Defining_Unit_Name (Spec);
begin
if Nkind (Spec) = N_Procedure_Specification
and then Nkind (Defnm) = N_Defining_Identifier
and then No (First_Formal (Defnm))
then
return;
end if;
end;
end if;
Error_Msg_N ("(style) subprogram body has no previous spec", N);
end if;
end Body_With_No_Spec;
---------------------------------
-- Check_Array_Attribute_Index --
---------------------------------
procedure Check_Array_Attribute_Index
(N : Node_Id;
E1 : Node_Id;
D : Int)
is
begin
if Style_Check_Array_Attribute_Index then
if D = 1 and then Present (E1) then
Error_Msg_N
("(style) index number not allowed for one dimensional array",
E1);
elsif D > 1 and then No (E1) then
Error_Msg_N
("(style) index number required for multi-dimensional array",
N);
end if;
end if;
end Check_Array_Attribute_Index;
----------------------
-- Check_Identifier --
----------------------
-- In check references mode (-gnatyr), identifier uses must be cased
-- the same way as the corresponding identifier declaration.
procedure Check_Identifier
(Ref : Node_Or_Entity_Id;
Def : Node_Or_Entity_Id)
is
Sref : Source_Ptr := Sloc (Ref);
Sdef : Source_Ptr := Sloc (Def);
Tref : Source_Buffer_Ptr;
Tdef : Source_Buffer_Ptr;
Nlen : Nat;
Cas : Casing_Type;
begin
-- If reference does not come from source, nothing to check
if not Comes_From_Source (Ref) then
return;
-- If previous error on either node/entity, ignore
elsif Error_Posted (Ref) or else Error_Posted (Def) then
return;
-- Case of definition comes from source
elsif Comes_From_Source (Def) then
-- Check same casing if we are checking references
if Style_Check_References then
Tref := Source_Text (Get_Source_File_Index (Sref));
Tdef := Source_Text (Get_Source_File_Index (Sdef));
-- Ignore operator name case completely. This also catches the
-- case of where one is an operator and the other is not. This
-- is a phenomenon from rewriting of operators as functions,
-- and is to be ignored.
if Tref (Sref) = '"' or else Tdef (Sdef) = '"' then
return;
else
while Tref (Sref) = Tdef (Sdef) loop
-- If end of identifier, all done
if not Identifier_Char (Tref (Sref)) then
return;
-- Otherwise loop continues
else
Sref := Sref + 1;
Sdef := Sdef + 1;
end if;
end loop;
-- Fall through loop when mismatch between identifiers
-- If either identifier is not terminated, error.
if Identifier_Char (Tref (Sref))
or else
Identifier_Char (Tdef (Sdef))
then
Error_Msg_Node_1 := Def;
Error_Msg_Sloc := Sloc (Def);
Error_Msg
("(style) bad casing of & declared#", Sref);
return;
-- Else end of identifiers, and they match
else
return;
end if;
end if;
end if;
-- Case of definition in package Standard
elsif Sdef = Standard_Location
or else
Sdef = Standard_ASCII_Location
then
-- Check case of identifiers in Standard
if Style_Check_Standard then
Tref := Source_Text (Get_Source_File_Index (Sref));
-- Ignore operators
if Tref (Sref) = '"' then
null;
-- Otherwise determine required casing of Standard entity
else
-- ASCII is all upper case
if Entity (Ref) = Standard_ASCII then
Cas := All_Upper_Case;
-- Special names in ASCII are also all upper case
elsif Sdef = Standard_ASCII_Location then
Cas := All_Upper_Case;
-- All other entities are in mixed case
else
Cas := Mixed_Case;
end if;
Nlen := Length_Of_Name (Chars (Ref));
-- Now check if we have the right casing
if Determine_Casing
(Tref (Sref .. Sref + Source_Ptr (Nlen) - 1)) = Cas
then
null;
else
Name_Len := Integer (Nlen);
Name_Buffer (1 .. Name_Len) :=
String (Tref (Sref .. Sref + Source_Ptr (Nlen) - 1));
Set_Casing (Cas);
Error_Msg_Name_1 := Name_Enter;
Error_Msg_N
("(style) bad casing of %% declared in Standard", Ref);
end if;
end if;
end if;
end if;
end Check_Identifier;
------------------------
-- Missing_Overriding --
------------------------
procedure Missing_Overriding (N : Node_Id; E : Entity_Id) is
begin
if Style_Check_Missing_Overriding and then Comes_From_Source (N) then
if Nkind (N) = N_Subprogram_Body then
Error_Msg_N
("(style) missing OVERRIDING indicator in body of&", E);
else
Error_Msg_N
("(style) missing OVERRIDING indicator in declaration of&", E);
end if;
end if;
end Missing_Overriding;
-----------------------------------
-- Subprogram_Not_In_Alpha_Order --
-----------------------------------
procedure Subprogram_Not_In_Alpha_Order (Name : Node_Id) is
begin
if Style_Check_Order_Subprograms then
Error_Msg_N
("(style) subprogram body& not in alphabetical order", Name);
end if;
end Subprogram_Not_In_Alpha_Order;
end Styleg.C;
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S T Y L E G . C --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2008, 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. --
-- --
------------------------------------------------------------------------------
-- This generic package, instantiated in package Style, contains routines
-- used by the compiler for style checking. These routines are in a separate
-- package because they depend on the GNAT tree (Atree, Sinfo, ...).
generic
with procedure Error_Msg_N (Msg : String; N : Node_Or_Entity_Id);
-- Output a message at the Sloc of the given node
package Styleg.C is
procedure Body_With_No_Spec (N : Node_Id);
-- Called where N is a subprogram body node for a subprogram body
-- for which no spec was given, i.e. a body acting as its own spec.
procedure Check_Array_Attribute_Index
(N : Node_Id;
E1 : Node_Id;
D : Int);
-- Called for an array attribute specifying an index number. N is the
-- node for the attribute, and E1 is the index expression (Empty if none
-- present). If E1 is present, it is known to be a static integer. D is
-- the number of dimensions of the array.
procedure Check_Identifier
(Ref : Node_Or_Entity_Id;
Def : Node_Or_Entity_Id);
-- Check style of identifier occurrence. Ref is an N_Identifier node whose
-- spelling is to be checked against the Chars spelling in identifier node
-- Def (which may be either an N_Identifier, or N_Defining_Identifier node)
procedure Missing_Overriding (N : Node_Id; E : Entity_Id);
-- Called where N is the declaration or body of an overriding operation,
-- and the node does not have an overriding_indicator.
procedure Subprogram_Not_In_Alpha_Order (Name : Node_Id);
-- Called if Name is the name of a subprogram body in a package body
-- that is not in alphabetical order.
end Styleg.C;
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