-- --
-- B o d y --
-- --
--- $Revision$
--- --
--- Copyright (C) 1992-2001 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2010, 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- --
+-- 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 COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- 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. --
--- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Fname.UF; use Fname.UF;
with Osint; use Osint;
+with Rident; use Rident;
+with Restrict; use Restrict;
with Stringt; use Stringt;
with Stylesw; use Stylesw;
with Uintp; use Uintp;
with Uname; use Uname;
+with System.WCh_Con; use System.WCh_Con;
+
separate (Par)
function Prag (Pragma_Node : Node_Id; Semi : Source_Ptr) return Node_Id is
- Pragma_Name : constant Name_Id := Chars (Pragma_Node);
+ Prag_Name : constant Name_Id := Pragma_Name (Pragma_Node);
+ Prag_Id : constant Pragma_Id := Get_Pragma_Id (Prag_Name);
Pragma_Sloc : constant Source_Ptr := Sloc (Pragma_Node);
Arg_Count : Nat;
Arg_Node : Node_Id;
function Arg1 return Node_Id;
function Arg2 return Node_Id;
function Arg3 return Node_Id;
- function Arg4 return Node_Id;
-- Obtain specified Pragma_Argument_Association. It is allowable to call
-- the routine for the argument one past the last present argument, but
-- that is the only case in which a non-present argument can be referenced.
-- an error message and raise Error_Resync.
procedure Check_No_Identifier (Arg : Node_Id);
- -- Checks that the given argument does not have an identifier. If an
- -- identifier is present, then an error message is issued, and
+ -- Checks that the given argument does not have an identifier. If
+ -- an identifier is present, then an error message is issued, and
-- Error_Resync is raised.
procedure Check_Optional_Identifier (Arg : Node_Id; Id : Name_Id);
-- Same as Check_Optional_Identifier, except that the name is required
-- to be present and to match the given Id value.
+ procedure Process_Restrictions_Or_Restriction_Warnings;
+ -- Common processing for Restrictions and Restriction_Warnings pragmas.
+ -- This routine only processes the case of No_Obsolescent_Features,
+ -- which is the only restriction that has syntactic effects. No general
+ -- error checking is done, since this will be done in Sem_Prag. The
+ -- other case processed is pragma Restrictions No_Dependence, since
+ -- otherwise this is done too late.
+
----------
-- Arg1 --
----------
return Next (Arg2);
end Arg3;
- ----------
- -- Arg4 --
- ----------
-
- function Arg4 return Node_Id is
- begin
- return Next (Arg3);
- end Arg4;
-
---------------------
-- Check_Arg_Count --
---------------------
Error_Msg_Name_2 := Name_On;
Error_Msg_Name_3 := Name_Off;
- Error_Msg
- ("argument for pragma% must be% or%", Sloc (Argx));
+ Error_Msg ("argument for pragma% must be% or%", Sloc (Argx));
raise Error_Resync;
end if;
end Check_Arg_Is_On_Or_Off;
end if;
end Check_Required_Identifier;
- ----------
- -- Prag --
- ----------
+ --------------------------------------------------
+ -- Process_Restrictions_Or_Restriction_Warnings --
+ --------------------------------------------------
+
+ procedure Process_Restrictions_Or_Restriction_Warnings is
+ Arg : Node_Id;
+ Id : Name_Id;
+ Expr : Node_Id;
+
+ begin
+ Arg := Arg1;
+ while Present (Arg) loop
+ Id := Chars (Arg);
+ Expr := Expression (Arg);
+
+ if Id = No_Name
+ and then Nkind (Expr) = N_Identifier
+ and then Get_Restriction_Id (Chars (Expr)) = No_Obsolescent_Features
+ then
+ Set_Restriction (No_Obsolescent_Features, Pragma_Node);
+ Restriction_Warnings (No_Obsolescent_Features) :=
+ Prag_Id = Pragma_Restriction_Warnings;
+
+ elsif Id = Name_No_Dependence then
+ Set_Restriction_No_Dependence
+ (Unit => Expr,
+ Warn => Prag_Id = Pragma_Restriction_Warnings
+ or else Treat_Restrictions_As_Warnings);
+ end if;
+
+ Next (Arg);
+ end loop;
+ end Process_Restrictions_Or_Restriction_Warnings;
+
+-- Start of processing for Prag
begin
- Error_Msg_Name_1 := Pragma_Name;
+ Error_Msg_Name_1 := Prag_Name;
+
+ -- Ignore unrecognized pragma. We let Sem post the warning for this, since
+ -- it is a semantic error, not a syntactic one (we have already checked
+ -- the syntax for the unrecognized pragma as required by (RM 2.8(11)).
+
+ if Prag_Id = Unknown_Pragma then
+ return Pragma_Node;
+ end if;
-- Count number of arguments. This loop also checks if any of the arguments
-- are Error, indicating a syntax error as they were parsed. If so, we
if Present (Pragma_Argument_Associations (Pragma_Node)) then
Arg_Node := Arg1;
-
while Arg_Node /= Empty loop
Arg_Count := Arg_Count + 1;
-- Remaining processing is pragma dependent
- case Get_Pragma_Id (Pragma_Name) is
+ case Prag_Id is
------------
-- Ada_83 --
------------
-- This pragma must be processed at parse time, since we want to set
- -- the Ada 83 and Ada 95 switches properly at parse time to recognize
- -- Ada 83 syntax or Ada 95 syntax as appropriate.
+ -- the Ada version properly at parse time to recognize the appropriate
+ -- Ada version syntax.
when Pragma_Ada_83 =>
- Ada_83 := True;
- Ada_95 := False;
+ Ada_Version := Ada_83;
+ Ada_Version_Explicit := Ada_Version;
------------
-- Ada_95 --
------------
-- This pragma must be processed at parse time, since we want to set
- -- the Ada 83 and Ada_95 switches properly at parse time to recognize
- -- Ada 83 syntax or Ada 95 syntax as appropriate.
+ -- the Ada version properly at parse time to recognize the appropriate
+ -- Ada version syntax.
when Pragma_Ada_95 =>
- Ada_83 := False;
- Ada_95 := True;
+ Ada_Version := Ada_95;
+ Ada_Version_Explicit := Ada_Version;
+
+ ---------------------
+ -- Ada_05/Ada_2005 --
+ ---------------------
+
+ -- These pragmas must be processed at parse time, since we want to set
+ -- the Ada version properly at parse time to recognize the appropriate
+ -- Ada version syntax. However, it is only the zero argument form that
+ -- must be processed at parse time.
+
+ when Pragma_Ada_05 | Pragma_Ada_2005 =>
+ if Arg_Count = 0 then
+ Ada_Version := Ada_2005;
+ Ada_Version_Explicit := Ada_2005;
+ end if;
+
+ ---------------------
+ -- Ada_12/Ada_2012 --
+ ---------------------
+
+ -- These pragmas must be processed at parse time, since we want to set
+ -- the Ada version properly at parse time to recognize the appropriate
+ -- Ada version syntax. However, it is only the zero argument form that
+ -- must be processed at parse time.
+
+ when Pragma_Ada_12 | Pragma_Ada_2012 =>
+ if Arg_Count = 0 then
+ Ada_Version := Ada_2012;
+ Ada_Version_Explicit := Ada_2012;
+ end if;
-----------
-- Debug --
-- semantically we treat it as a procedure call (which has exactly the
-- same syntactic form, so that's why we can get away with this!)
- when Pragma_Debug =>
- Check_Arg_Count (1);
- Check_No_Identifier (Arg1);
+ when Pragma_Debug => Debug : declare
+ Expr : Node_Id;
- declare
- Expr : constant Node_Id := New_Copy (Expression (Arg1));
+ begin
+ if Arg_Count = 2 then
+ Check_No_Identifier (Arg1);
+ Check_No_Identifier (Arg2);
+ Expr := New_Copy (Expression (Arg2));
- begin
- if Nkind (Expr) /= N_Indexed_Component
- and then Nkind (Expr) /= N_Function_Call
- and then Nkind (Expr) /= N_Identifier
- and then Nkind (Expr) /= N_Selected_Component
- then
- Error_Msg
- ("argument of pragma% is not procedure call", Sloc (Expr));
- raise Error_Resync;
- else
- Set_Debug_Statement
- (Pragma_Node, P_Statement_Name (Expr));
- end if;
- end;
+ else
+ Check_Arg_Count (1);
+ Check_No_Identifier (Arg1);
+ Expr := New_Copy (Expression (Arg1));
+ end if;
+
+ if Nkind (Expr) /= N_Indexed_Component
+ and then Nkind (Expr) /= N_Function_Call
+ and then Nkind (Expr) /= N_Identifier
+ and then Nkind (Expr) /= N_Selected_Component
+ then
+ Error_Msg
+ ("argument of pragma% is not procedure call", Sloc (Expr));
+ raise Error_Resync;
+ else
+ Set_Debug_Statement
+ (Pragma_Node, P_Statement_Name (Expr));
+ end if;
+ end Debug;
-------------------------------
-- Extensions_Allowed (GNAT) --
Check_Arg_Count (1);
Check_No_Identifier (Arg1);
Check_Arg_Is_On_Or_Off (Arg1);
- Opt.Extensions_Allowed := (Chars (Expression (Arg1)) = Name_On);
+
+ if Chars (Expression (Arg1)) = Name_On then
+ Extensions_Allowed := True;
+ Ada_Version := Ada_2012;
+ else
+ Extensions_Allowed := False;
+ Ada_Version := Ada_Version_Explicit;
+ end if;
----------------
-- List (2.8) --
List_Pragmas.Increment_Last;
List_Pragmas.Table (List_Pragmas.Last) := (Page, Semi);
- -----------------------------
- -- Source_File_Name (GNAT) --
- -----------------------------
+ ------------------
+ -- Restrictions --
+ ------------------
+
+ -- pragma Restrictions (RESTRICTION {, RESTRICTION});
+
+ -- RESTRICTION ::=
+ -- restriction_IDENTIFIER
+ -- | restriction_parameter_IDENTIFIER => EXPRESSION
+
+ -- We process the case of No_Obsolescent_Features, since this has
+ -- a syntactic effect that we need to detect at parse time (the use
+ -- of replacement characters such as colon for pound sign).
+
+ when Pragma_Restrictions =>
+ Process_Restrictions_Or_Restriction_Warnings;
+
+ --------------------------
+ -- Restriction_Warnings --
+ --------------------------
- -- There are five forms of this pragma:
+ -- pragma Restriction_Warnings (RESTRICTION {, RESTRICTION});
- -- pragma Source_File_Name (
+ -- RESTRICTION ::=
+ -- restriction_IDENTIFIER
+ -- | restriction_parameter_IDENTIFIER => EXPRESSION
+
+ -- See above comment for pragma Restrictions
+
+ when Pragma_Restriction_Warnings =>
+ Process_Restrictions_Or_Restriction_Warnings;
+
+ ----------------------------------------------------------
+ -- Source_File_Name and Source_File_Name_Project (GNAT) --
+ ----------------------------------------------------------
+
+ -- These two pragmas have the same syntax and semantics.
+ -- There are five forms of these pragmas:
+
+ -- pragma Source_File_Name[_Project] (
-- [UNIT_NAME =>] unit_NAME,
- -- BODY_FILE_NAME => STRING_LITERAL);
+ -- BODY_FILE_NAME => STRING_LITERAL
+ -- [, [INDEX =>] INTEGER_LITERAL]);
- -- pragma Source_File_Name (
+ -- pragma Source_File_Name[_Project] (
-- [UNIT_NAME =>] unit_NAME,
- -- SPEC_FILE_NAME => STRING_LITERAL);
+ -- SPEC_FILE_NAME => STRING_LITERAL
+ -- [, [INDEX =>] INTEGER_LITERAL]);
- -- pragma Source_File_Name (
+ -- pragma Source_File_Name[_Project] (
-- BODY_FILE_NAME => STRING_LITERAL
-- [, DOT_REPLACEMENT => STRING_LITERAL]
-- [, CASING => CASING_SPEC]);
- -- pragma Source_File_Name (
+ -- pragma Source_File_Name[_Project] (
-- SPEC_FILE_NAME => STRING_LITERAL
-- [, DOT_REPLACEMENT => STRING_LITERAL]
-- [, CASING => CASING_SPEC]);
- -- pragma Source_File_Name (
+ -- pragma Source_File_Name[_Project] (
-- SUBUNIT_FILE_NAME => STRING_LITERAL
-- [, DOT_REPLACEMENT => STRING_LITERAL]
-- [, CASING => CASING_SPEC]);
-- CASING_SPEC ::= Uppercase | Lowercase | Mixedcase
+ -- Pragma Source_File_Name_Project (SFNP) is equivalent to pragma
+ -- Source_File_Name (SFN), however their usage is exclusive:
+ -- SFN can only be used when no project file is used, while
+ -- SFNP can only be used when a project file is used.
+
+ -- The Project Manager produces a configuration pragmas file that
+ -- is communicated to the compiler with -gnatec switch. This file
+ -- contains only SFNP pragmas (at least two for the default naming
+ -- scheme. As this configuration pragmas file is always the first
+ -- processed by the compiler, it prevents the use of pragmas SFN in
+ -- other config files when a project file is in use.
+
-- Note: we process this during parsing, since we need to have the
-- source file names set well before the semantic analysis starts,
-- since we load the spec and with'ed packages before analysis.
- when Pragma_Source_File_Name => Source_File_Name : declare
- Unam : Unit_Name_Type;
- Expr1 : Node_Id;
- Pat : String_Ptr;
- Typ : Character;
- Dot : String_Ptr;
- Cas : Casing_Type;
- Nast : Nat;
+ when Pragma_Source_File_Name | Pragma_Source_File_Name_Project =>
+ Source_File_Name : declare
+ Unam : Unit_Name_Type;
+ Expr1 : Node_Id;
+ Pat : String_Ptr;
+ Typ : Character;
+ Dot : String_Ptr;
+ Cas : Casing_Type;
+ Nast : Nat;
+ Expr : Node_Id;
+ Index : Nat;
- function Get_Fname (Arg : Node_Id) return Name_Id;
- -- Process file name from unit name form of pragma
+ function Get_Fname (Arg : Node_Id) return File_Name_Type;
+ -- Process file name from unit name form of pragma
- function Get_String_Argument (Arg : Node_Id) return String_Ptr;
- -- Process string literal value from argument
+ function Get_String_Argument (Arg : Node_Id) return String_Ptr;
+ -- Process string literal value from argument
- procedure Process_Casing (Arg : Node_Id);
- -- Process Casing argument of pattern form of pragma
+ procedure Process_Casing (Arg : Node_Id);
+ -- Process Casing argument of pattern form of pragma
- procedure Process_Dot_Replacement (Arg : Node_Id);
- -- Process Dot_Replacement argument of patterm form of pragma
+ procedure Process_Dot_Replacement (Arg : Node_Id);
+ -- Process Dot_Replacement argument of pattern form of pragma
- ---------------
- -- Get_Fname --
- ---------------
+ ---------------
+ -- Get_Fname --
+ ---------------
- function Get_Fname (Arg : Node_Id) return Name_Id is
- begin
- String_To_Name_Buffer (Strval (Expression (Arg)));
+ function Get_Fname (Arg : Node_Id) return File_Name_Type is
+ begin
+ String_To_Name_Buffer (Strval (Expression (Arg)));
- for J in 1 .. Name_Len loop
- if Is_Directory_Separator (Name_Buffer (J)) then
- Error_Msg
- ("directory separator character not allowed",
- Sloc (Expression (Arg)) + Source_Ptr (J));
- end if;
- end loop;
+ for J in 1 .. Name_Len loop
+ if Is_Directory_Separator (Name_Buffer (J)) then
+ Error_Msg
+ ("directory separator character not allowed",
+ Sloc (Expression (Arg)) + Source_Ptr (J));
+ end if;
+ end loop;
- return Name_Find;
- end Get_Fname;
+ return Name_Find;
+ end Get_Fname;
- -------------------------
- -- Get_String_Argument --
- -------------------------
+ -------------------------
+ -- Get_String_Argument --
+ -------------------------
- function Get_String_Argument (Arg : Node_Id) return String_Ptr is
- Str : String_Id;
+ function Get_String_Argument (Arg : Node_Id) return String_Ptr is
+ Str : String_Id;
- begin
- if Nkind (Expression (Arg)) /= N_String_Literal
- and then
- Nkind (Expression (Arg)) /= N_Operator_Symbol
- then
- Error_Msg_N
- ("argument for pragma% must be string literal", Arg);
- raise Error_Resync;
- end if;
+ begin
+ if Nkind (Expression (Arg)) /= N_String_Literal
+ and then
+ Nkind (Expression (Arg)) /= N_Operator_Symbol
+ then
+ Error_Msg_N
+ ("argument for pragma% must be string literal", Arg);
+ raise Error_Resync;
+ end if;
- Str := Strval (Expression (Arg));
+ Str := Strval (Expression (Arg));
- -- Check string has no wide chars
+ -- Check string has no wide chars
- for J in 1 .. String_Length (Str) loop
- if Get_String_Char (Str, J) > 255 then
- Error_Msg
- ("wide character not allowed in pattern for pragma%",
- Sloc (Expression (Arg2)) + Text_Ptr (J) - 1);
+ for J in 1 .. String_Length (Str) loop
+ if Get_String_Char (Str, J) > 255 then
+ Error_Msg
+ ("wide character not allowed in pattern for pragma%",
+ Sloc (Expression (Arg2)) + Text_Ptr (J) - 1);
+ end if;
+ end loop;
+
+ -- Acquire string
+
+ String_To_Name_Buffer (Str);
+ return new String'(Name_Buffer (1 .. Name_Len));
+ end Get_String_Argument;
+
+ --------------------
+ -- Process_Casing --
+ --------------------
+
+ procedure Process_Casing (Arg : Node_Id) is
+ Expr : constant Node_Id := Expression (Arg);
+
+ begin
+ Check_Required_Identifier (Arg, Name_Casing);
+
+ if Nkind (Expr) = N_Identifier then
+ if Chars (Expr) = Name_Lowercase then
+ Cas := All_Lower_Case;
+ return;
+ elsif Chars (Expr) = Name_Uppercase then
+ Cas := All_Upper_Case;
+ return;
+ elsif Chars (Expr) = Name_Mixedcase then
+ Cas := Mixed_Case;
+ return;
+ end if;
end if;
- end loop;
- -- Acquire string
+ Error_Msg_N
+ ("Casing argument for pragma% must be " &
+ "one of Mixedcase, Lowercase, Uppercase",
+ Arg);
+ end Process_Casing;
- String_To_Name_Buffer (Str);
- return new String'(Name_Buffer (1 .. Name_Len));
- end Get_String_Argument;
+ -----------------------------
+ -- Process_Dot_Replacement --
+ -----------------------------
- --------------------
- -- Process_Casing --
- --------------------
+ procedure Process_Dot_Replacement (Arg : Node_Id) is
+ begin
+ Check_Required_Identifier (Arg, Name_Dot_Replacement);
+ Dot := Get_String_Argument (Arg);
+ end Process_Dot_Replacement;
- procedure Process_Casing (Arg : Node_Id) is
- Expr : constant Node_Id := Expression (Arg);
+ -- Start of processing for Source_File_Name and
+ -- Source_File_Name_Project pragmas.
begin
- Check_Required_Identifier (Arg, Name_Casing);
-
- if Nkind (Expr) = N_Identifier then
- if Chars (Expr) = Name_Lowercase then
- Cas := All_Lower_Case;
- return;
- elsif Chars (Expr) = Name_Uppercase then
- Cas := All_Upper_Case;
- return;
- elsif Chars (Expr) = Name_Mixedcase then
- Cas := Mixed_Case;
- return;
+ if Prag_Id = Pragma_Source_File_Name then
+ if Project_File_In_Use = In_Use then
+ Error_Msg
+ ("pragma Source_File_Name cannot be used " &
+ "with a project file", Pragma_Sloc);
+
+ else
+ Project_File_In_Use := Not_In_Use;
+ end if;
+
+ else
+ if Project_File_In_Use = Not_In_Use then
+ Error_Msg
+ ("pragma Source_File_Name_Project should only be used " &
+ "with a project file", Pragma_Sloc);
+ else
+ Project_File_In_Use := In_Use;
end if;
end if;
- Error_Msg_N
- ("Casing argument for pragma% must be " &
- "one of Mixedcase, Lowercase, Uppercase",
- Arg);
- end Process_Casing;
+ -- We permit from 1 to 3 arguments
- -----------------------------
- -- Process_Dot_Replacement --
- -----------------------------
+ if Arg_Count not in 1 .. 3 then
+ Check_Arg_Count (1);
+ end if;
- procedure Process_Dot_Replacement (Arg : Node_Id) is
- begin
- Check_Required_Identifier (Arg, Name_Dot_Replacement);
- Dot := Get_String_Argument (Arg);
- end Process_Dot_Replacement;
+ Expr1 := Expression (Arg1);
- -- Start of processing for Source_File_Name pragma
+ -- If first argument is identifier or selected component, then
+ -- we have the specific file case of the Source_File_Name pragma,
+ -- and the first argument is a unit name.
- begin
- -- We permit from 1 to 3 arguments
+ if Nkind (Expr1) = N_Identifier
+ or else
+ (Nkind (Expr1) = N_Selected_Component
+ and then
+ Nkind (Selector_Name (Expr1)) = N_Identifier)
+ then
+ if Nkind (Expr1) = N_Identifier
+ and then Chars (Expr1) = Name_System
+ then
+ Error_Msg_N
+ ("pragma Source_File_Name may not be used for System",
+ Arg1);
+ return Error;
+ end if;
- if Arg_Count not in 1 .. 3 then
- Check_Arg_Count (1);
- end if;
+ -- Process index argument if present
- Expr1 := Expression (Arg1);
+ if Arg_Count = 3 then
+ Expr := Expression (Arg3);
- -- If first argument is identifier or selected component, then
- -- we have the specific file case of the Source_File_Name pragma,
- -- and the first argument is a unit name.
+ if Nkind (Expr) /= N_Integer_Literal
+ or else not UI_Is_In_Int_Range (Intval (Expr))
+ or else Intval (Expr) > 999
+ or else Intval (Expr) <= 0
+ then
+ Error_Msg
+ ("pragma% index must be integer literal" &
+ " in range 1 .. 999", Sloc (Expr));
+ raise Error_Resync;
+ else
+ Index := UI_To_Int (Intval (Expr));
+ end if;
- if Nkind (Expr1) = N_Identifier
- or else
- (Nkind (Expr1) = N_Selected_Component
- and then
- Nkind (Selector_Name (Expr1)) = N_Identifier)
- then
- Check_Arg_Count (2);
+ -- No index argument present
- Check_Optional_Identifier (Arg1, Name_Unit_Name);
- Unam := Get_Unit_Name (Expr1);
+ else
+ Check_Arg_Count (2);
+ Index := 0;
+ end if;
- Check_Arg_Is_String_Literal (Arg2);
+ Check_Optional_Identifier (Arg1, Name_Unit_Name);
+ Unam := Get_Unit_Name (Expr1);
- if Chars (Arg2) = Name_Spec_File_Name then
- Set_File_Name (Get_Spec_Name (Unam), Get_Fname (Arg2));
+ Check_Arg_Is_String_Literal (Arg2);
- elsif Chars (Arg2) = Name_Body_File_Name then
- Set_File_Name (Unam, Get_Fname (Arg2));
+ if Chars (Arg2) = Name_Spec_File_Name then
+ Set_File_Name
+ (Get_Spec_Name (Unam), Get_Fname (Arg2), Index);
- else
- Error_Msg_N ("pragma% argument has incorrect identifier", Arg2);
- return Pragma_Node;
- end if;
+ elsif Chars (Arg2) = Name_Body_File_Name then
+ Set_File_Name
+ (Unam, Get_Fname (Arg2), Index);
- -- If the first argument is not an identifier, then we must have
- -- the pattern form of the pragma, and the first argument must be
- -- the pattern string with an appropriate name.
+ else
+ Error_Msg_N
+ ("pragma% argument has incorrect identifier", Arg2);
+ return Pragma_Node;
+ end if;
- else
- if Chars (Arg1) = Name_Spec_File_Name then
- Typ := 's';
+ -- If the first argument is not an identifier, then we must have
+ -- the pattern form of the pragma, and the first argument must be
+ -- the pattern string with an appropriate name.
- elsif Chars (Arg1) = Name_Body_File_Name then
- Typ := 'b';
+ else
+ if Chars (Arg1) = Name_Spec_File_Name then
+ Typ := 's';
- elsif Chars (Arg1) = Name_Subunit_File_Name then
- Typ := 'u';
+ elsif Chars (Arg1) = Name_Body_File_Name then
+ Typ := 'b';
- elsif Chars (Arg1) = Name_Unit_Name then
- Error_Msg_N
- ("Unit_Name parameter for pragma% must be an identifier",
- Arg1);
- raise Error_Resync;
+ elsif Chars (Arg1) = Name_Subunit_File_Name then
+ Typ := 'u';
- else
- Error_Msg_N ("pragma% argument has incorrect identifier", Arg1);
- raise Error_Resync;
- end if;
+ elsif Chars (Arg1) = Name_Unit_Name then
+ Error_Msg_N
+ ("Unit_Name parameter for pragma% must be an identifier",
+ Arg1);
+ raise Error_Resync;
- Pat := Get_String_Argument (Arg1);
+ else
+ Error_Msg_N
+ ("pragma% argument has incorrect identifier", Arg1);
+ raise Error_Resync;
+ end if;
- -- Check pattern has exactly one asterisk
+ Pat := Get_String_Argument (Arg1);
- Nast := 0;
- for J in Pat'Range loop
- if Pat (J) = '*' then
- Nast := Nast + 1;
- end if;
- end loop;
+ -- Check pattern has exactly one asterisk
- if Nast /= 1 then
- Error_Msg_N
- ("file name pattern must have exactly one * character",
- Arg2);
- return Pragma_Node;
- end if;
+ Nast := 0;
+ for J in Pat'Range loop
+ if Pat (J) = '*' then
+ Nast := Nast + 1;
+ end if;
+ end loop;
- -- Set defaults for Casing and Dot_Separator parameters
+ if Nast /= 1 then
+ Error_Msg_N
+ ("file name pattern must have exactly one * character",
+ Arg1);
+ return Pragma_Node;
+ end if;
- Cas := All_Lower_Case;
+ -- Set defaults for Casing and Dot_Separator parameters
- Dot := new String'(".");
+ Cas := All_Lower_Case;
+ Dot := new String'(".");
- -- Process second and third arguments if present
+ -- Process second and third arguments if present
- if Arg_Count > 1 then
- if Chars (Arg2) = Name_Casing then
- Process_Casing (Arg2);
+ if Arg_Count > 1 then
+ if Chars (Arg2) = Name_Casing then
+ Process_Casing (Arg2);
- if Arg_Count = 3 then
- Process_Dot_Replacement (Arg3);
- end if;
+ if Arg_Count = 3 then
+ Process_Dot_Replacement (Arg3);
+ end if;
- else
- Process_Dot_Replacement (Arg2);
+ else
+ Process_Dot_Replacement (Arg2);
- if Arg_Count = 3 then
- Process_Casing (Arg3);
+ if Arg_Count = 3 then
+ Process_Casing (Arg3);
+ end if;
end if;
end if;
- end if;
- Set_File_Name_Pattern (Pat, Typ, Dot, Cas);
- end if;
- end Source_File_Name;
+ Set_File_Name_Pattern (Pat, Typ, Dot, Cas);
+ end if;
+ end Source_File_Name;
-----------------------------
-- Source_Reference (GNAT) --
-- turn off semantic checking anyway if any parse errors are found.
when Pragma_Source_Reference => Source_Reference : declare
- Fname : Name_Id;
+ Fname : File_Name_Type;
begin
if Arg_Count /= 1 then
and then Num_SRef_Pragmas (Current_Source_File) = 0
and then Operating_Mode /= Check_Syntax
then
- Error_Msg
+ Error_Msg -- CODEFIX
("first % pragma must be first line of file", Pragma_Sloc);
raise Error_Resync;
end if;
("file name required for first % pragma in file",
Pragma_Sloc);
raise Error_Resync;
-
else
- Fname := No_Name;
+ Fname := No_File;
end if;
-- File name present
A := Expression (Arg1);
if Nkind (A) = N_String_Literal then
- S := Strval (A);
+ S := Strval (A);
declare
- Slen : Natural := Natural (String_Length (S));
+ Slen : constant Natural := Natural (String_Length (S));
Options : String (1 .. Slen);
J : Natural;
Ptr : Natural;
if not OK then
Error_Msg
- ("invalid style check option",
+ (Style_Msg_Buf (1 .. Style_Msg_Len),
Sloc (Expression (Arg1)) + Source_Ptr (Ptr));
raise Error_Resync;
end if;
OK := False;
elsif Chars (A) = Name_All_Checks then
- Stylesw.Set_Default_Style_Check_Options;
+ if GNAT_Mode then
+ Stylesw.Set_GNAT_Style_Check_Options;
+ else
+ Stylesw.Set_Default_Style_Check_Options;
+ end if;
elsif Chars (A) = Name_On then
Style_Check := True;
end if;
end Style_Checks;
+ -------------------------
+ -- Suppress_All (GNAT) --
+ -------------------------
+
+ -- pragma Suppress_All
+
+ -- This is a rather odd pragma, because other compilers allow it in
+ -- strange places. DEC allows it at the end of units, and Rational
+ -- allows it as a program unit pragma, when it would be more natural
+ -- if it were a configuration pragma.
+
+ -- Since the reason we provide this pragma is for compatibility with
+ -- these other compilers, we want to accomodate these strange placement
+ -- rules, and the easiest thing is simply to allow it anywhere in a
+ -- unit. If this pragma appears anywhere within a unit, then the effect
+ -- is as though a pragma Suppress (All_Checks) had appeared as the first
+ -- line of the current file, i.e. as the first configuration pragma in
+ -- the current unit.
+
+ -- To get this effect, we set the flag Has_Pragma_Suppress_All in the
+ -- compilation unit node for the current source file then in the last
+ -- stage of parsing a file, if this flag is set, we materialize the
+ -- Suppress (All_Checks) pragma, marked as not coming from Source.
+
+ when Pragma_Suppress_All =>
+ Set_Has_Pragma_Suppress_All (Cunit (Current_Source_Unit));
+
---------------------
-- Warnings (GNAT) --
---------------------
- -- pragma Warnings (On | Off, [LOCAL_NAME])
+ -- pragma Warnings (On | Off);
+ -- pragma Warnings (On | Off, LOCAL_NAME);
+ -- pragma Warnings (static_string_EXPRESSION);
+ -- pragma Warnings (On | Off, static_string_EXPRESSION);
- -- The one argument case is processed by the parser, since it may
- -- control parser warnings as well as semantic warnings, and in any
- -- case we want to be absolutely sure that the range in the warnings
- -- table is set well before any semantic analysis is performed.
+ -- The one argument ON/OFF case is processed by the parser, since it may
+ -- control parser warnings as well as semantic warnings, and in any case
+ -- we want to be absolutely sure that the range in the warnings table is
+ -- set well before any semantic analysis is performed. Note that we
+ -- ignore this pragma if debug flag -gnatd.i is set.
when Pragma_Warnings =>
- if Arg_Count = 1 then
+ if Arg_Count = 1 and then not Debug_Flag_Dot_I then
Check_No_Identifier (Arg1);
- Check_Arg_Is_On_Or_Off (Arg1);
- if Chars (Expression (Arg1)) = Name_On then
- Set_Warnings_Mode_On (Pragma_Sloc);
- else
- Set_Warnings_Mode_Off (Pragma_Sloc);
- end if;
+ declare
+ Argx : constant Node_Id := Expression (Arg1);
+ begin
+ if Nkind (Argx) = N_Identifier then
+ if Chars (Argx) = Name_On then
+ Set_Warnings_Mode_On (Pragma_Sloc);
+ elsif Chars (Argx) = Name_Off then
+ Set_Warnings_Mode_Off (Pragma_Sloc);
+ end if;
+ end if;
+ end;
+ end if;
+
+ -----------------------------
+ -- Wide_Character_Encoding --
+ -----------------------------
+
+ -- pragma Wide_Character_Encoding (IDENTIFIER | CHARACTER_LITERAL);
+
+ -- This is processed by the parser, since the scanner is affected
+
+ when Pragma_Wide_Character_Encoding => Wide_Character_Encoding : declare
+ A : Node_Id;
+
+ begin
+ Check_Arg_Count (1);
+ Check_No_Identifier (Arg1);
+ A := Expression (Arg1);
+
+ if Nkind (A) = N_Identifier then
+ Get_Name_String (Chars (A));
+ Wide_Character_Encoding_Method :=
+ Get_WC_Encoding_Method (Name_Buffer (1 .. Name_Len));
+
+ elsif Nkind (A) = N_Character_Literal then
+ declare
+ R : constant Char_Code :=
+ Char_Code (UI_To_Int (Char_Literal_Value (A)));
+ begin
+ if In_Character_Range (R) then
+ Wide_Character_Encoding_Method :=
+ Get_WC_Encoding_Method (Get_Character (R));
+ else
+ raise Constraint_Error;
+ end if;
+ end;
+
+ else
+ raise Constraint_Error;
end if;
+ Upper_Half_Encoding :=
+ Wide_Character_Encoding_Method in
+ WC_Upper_Half_Encoding_Method;
+
+ exception
+ when Constraint_Error =>
+ Error_Msg_N ("invalid argument for pragma%", Arg1);
+ end Wide_Character_Encoding;
+
-----------------------
-- All Other Pragmas --
-----------------------
-- For all other pragmas, checking and processing is handled
-- entirely in Sem_Prag, and no further checking is done by Par.
- when Pragma_Abort_Defer |
- Pragma_AST_Entry |
- Pragma_All_Calls_Remote |
- Pragma_Annotate |
- Pragma_Assert |
- Pragma_Asynchronous |
- Pragma_Atomic |
- Pragma_Atomic_Components |
- Pragma_Attach_Handler |
- Pragma_CPP_Class |
- Pragma_CPP_Constructor |
- Pragma_CPP_Virtual |
- Pragma_CPP_Vtable |
- Pragma_C_Pass_By_Copy |
- Pragma_Comment |
- Pragma_Common_Object |
- Pragma_Complex_Representation |
- Pragma_Component_Alignment |
- Pragma_Controlled |
- Pragma_Convention |
- Pragma_Discard_Names |
- Pragma_Eliminate |
- Pragma_Elaborate |
- Pragma_Elaborate_All |
- Pragma_Elaborate_Body |
- Pragma_Elaboration_Checks |
- Pragma_Export |
- Pragma_Export_Exception |
- Pragma_Export_Function |
- Pragma_Export_Object |
- Pragma_Export_Procedure |
- Pragma_Export_Valued_Procedure |
- Pragma_Extend_System |
- Pragma_External |
- Pragma_External_Name_Casing |
- Pragma_Finalize_Storage_Only |
- Pragma_Float_Representation |
- Pragma_Ident |
- Pragma_Import |
- Pragma_Import_Exception |
- Pragma_Import_Function |
- Pragma_Import_Object |
- Pragma_Import_Procedure |
- Pragma_Import_Valued_Procedure |
- Pragma_Initialize_Scalars |
- Pragma_Inline |
- Pragma_Inline_Always |
- Pragma_Inline_Generic |
- Pragma_Inspection_Point |
- Pragma_Interface |
- Pragma_Interface_Name |
- Pragma_Interrupt_Handler |
- Pragma_Interrupt_Priority |
- Pragma_Java_Constructor |
- Pragma_Java_Interface |
- Pragma_License |
- Pragma_Link_With |
- Pragma_Linker_Alias |
- Pragma_Linker_Options |
- Pragma_Linker_Section |
- Pragma_Locking_Policy |
- Pragma_Long_Float |
- Pragma_Machine_Attribute |
- Pragma_Main |
- Pragma_Main_Storage |
- Pragma_Memory_Size |
- Pragma_No_Return |
- Pragma_No_Run_Time |
- Pragma_Normalize_Scalars |
- Pragma_Optimize |
- Pragma_Pack |
- Pragma_Passive |
- Pragma_Polling |
- Pragma_Preelaborate |
- Pragma_Priority |
- Pragma_Propagate_Exceptions |
- Pragma_Psect_Object |
- Pragma_Pure |
- Pragma_Pure_Function |
- Pragma_Queuing_Policy |
- Pragma_Remote_Call_Interface |
- Pragma_Remote_Types |
- Pragma_Restrictions |
- Pragma_Restricted_Run_Time |
- Pragma_Ravenscar |
- Pragma_Reviewable |
- Pragma_Share_Generic |
- Pragma_Shared |
- Pragma_Shared_Passive |
- Pragma_Storage_Size |
- Pragma_Storage_Unit |
- Pragma_Stream_Convert |
- Pragma_Subtitle |
- Pragma_Suppress |
- Pragma_Suppress_All |
- Pragma_Suppress_Debug_Info |
- Pragma_Suppress_Initialization |
- Pragma_System_Name |
- Pragma_Task_Dispatching_Policy |
- Pragma_Task_Info |
- Pragma_Task_Name |
- Pragma_Task_Storage |
- Pragma_Time_Slice |
- Pragma_Title |
- Pragma_Unchecked_Union |
- Pragma_Unimplemented_Unit |
- Pragma_Unreserve_All_Interrupts |
- Pragma_Unsuppress |
- Pragma_Use_VADS_Size |
- Pragma_Volatile |
- Pragma_Volatile_Components |
- Pragma_Weak_External |
- Pragma_Validity_Checks =>
+ when Pragma_Abort_Defer |
+ Pragma_Assertion_Policy |
+ Pragma_Assume_No_Invalid_Values |
+ Pragma_AST_Entry |
+ Pragma_All_Calls_Remote |
+ Pragma_Annotate |
+ Pragma_Assert |
+ Pragma_Asynchronous |
+ Pragma_Atomic |
+ Pragma_Atomic_Components |
+ Pragma_Attach_Handler |
+ Pragma_Check |
+ Pragma_Check_Name |
+ Pragma_Check_Policy |
+ Pragma_CIL_Constructor |
+ Pragma_Compile_Time_Error |
+ Pragma_Compile_Time_Warning |
+ Pragma_Compiler_Unit |
+ Pragma_Convention_Identifier |
+ Pragma_CPP_Class |
+ Pragma_CPP_Constructor |
+ Pragma_CPP_Virtual |
+ Pragma_CPP_Vtable |
+ Pragma_CPU |
+ Pragma_C_Pass_By_Copy |
+ Pragma_Comment |
+ Pragma_Common_Object |
+ Pragma_Complete_Representation |
+ Pragma_Complex_Representation |
+ Pragma_Component_Alignment |
+ Pragma_Controlled |
+ Pragma_Convention |
+ Pragma_Debug_Policy |
+ Pragma_Detect_Blocking |
+ Pragma_Default_Storage_Pool |
+ Pragma_Dimension |
+ Pragma_Discard_Names |
+ Pragma_Eliminate |
+ Pragma_Elaborate |
+ Pragma_Elaborate_All |
+ Pragma_Elaborate_Body |
+ Pragma_Elaboration_Checks |
+ Pragma_Export |
+ Pragma_Export_Exception |
+ Pragma_Export_Function |
+ Pragma_Export_Object |
+ Pragma_Export_Procedure |
+ Pragma_Export_Value |
+ Pragma_Export_Valued_Procedure |
+ Pragma_Extend_System |
+ Pragma_External |
+ Pragma_External_Name_Casing |
+ Pragma_Favor_Top_Level |
+ Pragma_Fast_Math |
+ Pragma_Finalize_Storage_Only |
+ Pragma_Float_Representation |
+ Pragma_Ident |
+ Pragma_Implemented |
+ Pragma_Implicit_Packing |
+ Pragma_Import |
+ Pragma_Import_Exception |
+ Pragma_Import_Function |
+ Pragma_Import_Object |
+ Pragma_Import_Procedure |
+ Pragma_Import_Valued_Procedure |
+ Pragma_Independent |
+ Pragma_Independent_Components |
+ Pragma_Initialize_Scalars |
+ Pragma_Inline |
+ Pragma_Inline_Always |
+ Pragma_Inline_Generic |
+ Pragma_Inspection_Point |
+ Pragma_Interface |
+ Pragma_Interface_Name |
+ Pragma_Interrupt_Handler |
+ Pragma_Interrupt_State |
+ Pragma_Interrupt_Priority |
+ Pragma_Invariant |
+ Pragma_Java_Constructor |
+ Pragma_Java_Interface |
+ Pragma_Keep_Names |
+ Pragma_License |
+ Pragma_Link_With |
+ Pragma_Linker_Alias |
+ Pragma_Linker_Constructor |
+ Pragma_Linker_Destructor |
+ Pragma_Linker_Options |
+ Pragma_Linker_Section |
+ Pragma_Locking_Policy |
+ Pragma_Long_Float |
+ Pragma_Machine_Attribute |
+ Pragma_Main |
+ Pragma_Main_Storage |
+ Pragma_Memory_Size |
+ Pragma_No_Body |
+ Pragma_No_Return |
+ Pragma_No_Run_Time |
+ Pragma_No_Strict_Aliasing |
+ Pragma_Normalize_Scalars |
+ Pragma_Obsolescent |
+ Pragma_Ordered |
+ Pragma_Optimize |
+ Pragma_Optimize_Alignment |
+ Pragma_Pack |
+ Pragma_Passive |
+ Pragma_Preelaborable_Initialization |
+ Pragma_Polling |
+ Pragma_Persistent_BSS |
+ Pragma_Postcondition |
+ Pragma_Precondition |
+ Pragma_Predicate |
+ Pragma_Preelaborate |
+ Pragma_Preelaborate_05 |
+ Pragma_Priority |
+ Pragma_Priority_Specific_Dispatching |
+ Pragma_Profile |
+ Pragma_Profile_Warnings |
+ Pragma_Propagate_Exceptions |
+ Pragma_Psect_Object |
+ Pragma_Pure |
+ Pragma_Pure_05 |
+ Pragma_Pure_Function |
+ Pragma_Queuing_Policy |
+ Pragma_Relative_Deadline |
+ Pragma_Remote_Call_Interface |
+ Pragma_Remote_Types |
+ Pragma_Restricted_Run_Time |
+ Pragma_Ravenscar |
+ Pragma_Reviewable |
+ Pragma_Share_Generic |
+ Pragma_Shared |
+ Pragma_Shared_Passive |
+ Pragma_Short_Circuit_And_Or |
+ Pragma_Short_Descriptors |
+ Pragma_Storage_Size |
+ Pragma_Storage_Unit |
+ Pragma_Static_Elaboration_Desired |
+ Pragma_Stream_Convert |
+ Pragma_Subtitle |
+ Pragma_Suppress |
+ Pragma_Suppress_Debug_Info |
+ Pragma_Suppress_Exception_Locations |
+ Pragma_Suppress_Initialization |
+ Pragma_System_Name |
+ Pragma_Task_Dispatching_Policy |
+ Pragma_Task_Info |
+ Pragma_Task_Name |
+ Pragma_Task_Storage |
+ Pragma_Thread_Local_Storage |
+ Pragma_Time_Slice |
+ Pragma_Title |
+ Pragma_Unchecked_Union |
+ Pragma_Unimplemented_Unit |
+ Pragma_Universal_Aliasing |
+ Pragma_Universal_Data |
+ Pragma_Unmodified |
+ Pragma_Unreferenced |
+ Pragma_Unreferenced_Objects |
+ Pragma_Unreserve_All_Interrupts |
+ Pragma_Unsuppress |
+ Pragma_Use_VADS_Size |
+ Pragma_Volatile |
+ Pragma_Volatile_Components |
+ Pragma_Weak_External |
+ Pragma_Validity_Checks =>
null;
+ --------------------
+ -- Unknown_Pragma --
+ --------------------
+
+ -- Should be impossible, since we excluded this case earlier on
+
+ when Unknown_Pragma =>
+ raise Program_Error;
+
end case;
return Pragma_Node;