-- --
-- B o d y --
-- --
--- Copyright (C) 1992-2008, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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- --
with Lib; use Lib;
with Lib.Writ; use Lib.Writ;
with Lib.Xref; use Lib.Xref;
-with Namet; use Namet;
with Namet.Sp; use Namet.Sp;
with Nlists; use Nlists;
with Nmake; use Nmake;
with Rident; use Rident;
with Rtsfind; use Rtsfind;
with Sem; use Sem;
+with Sem_Aux; use Sem_Aux;
with Sem_Ch3; use Sem_Ch3;
+with Sem_Ch6; use Sem_Ch6;
with Sem_Ch8; use Sem_Ch8;
+with Sem_Ch12; use Sem_Ch12;
with Sem_Ch13; use Sem_Ch13;
with Sem_Dist; use Sem_Dist;
with Sem_Elim; use Sem_Elim;
-- (the original one, following the renaming chain) is returned.
-- Otherwise the entity is returned unchanged. Should be in Einfo???
+ function Get_Pragma_Arg (Arg : Node_Id) return Node_Id;
+ -- All the routines that check pragma arguments take either a pragma
+ -- argument association (in which case the expression of the argument
+ -- association is checked), or the expression directly. The function
+ -- Get_Pragma_Arg is a utility used to deal with these two cases. If Arg
+ -- is a pragma argument association node, then its expression is returned,
+ -- otherwise Arg is returned unchanged.
+
procedure rv;
-- This is a dummy function called by the processing for pragma Reviewable.
-- It is there for assisting front end debugging. By placing a Reviewable
end if;
end Adjust_External_Name_Case;
+ ------------------------------
+ -- Analyze_PPC_In_Decl_Part --
+ ------------------------------
+
+ procedure Analyze_PPC_In_Decl_Part (N : Node_Id; S : Entity_Id) is
+ Arg1 : constant Node_Id :=
+ First (Pragma_Argument_Associations (N));
+ Arg2 : constant Node_Id := Next (Arg1);
+
+ begin
+ -- Install formals and push subprogram spec onto scope stack
+ -- so that we can see the formals from the pragma.
+
+ Install_Formals (S);
+ Push_Scope (S);
+
+ -- Preanalyze the boolean expression, we treat this as a
+ -- spec expression (i.e. similar to a default expression).
+
+ Preanalyze_Spec_Expression
+ (Get_Pragma_Arg (Arg1), Standard_Boolean);
+
+ -- If there is a message argument, analyze it the same way
+
+ if Present (Arg2) then
+ Preanalyze_Spec_Expression
+ (Get_Pragma_Arg (Arg2), Standard_String);
+ end if;
+
+ -- Remove the subprogram from the scope stack now that the
+ -- pre-analysis of the precondition/postcondition is done.
+
+ End_Scope;
+ end Analyze_PPC_In_Decl_Part;
+
--------------------
-- Analyze_Pragma --
--------------------
procedure Check_Arg_Is_One_Of (Arg : Node_Id; N1, N2 : Name_Id);
procedure Check_Arg_Is_One_Of (Arg : Node_Id; N1, N2, N3 : Name_Id);
+ procedure Check_Arg_Is_One_Of (Arg : Node_Id; N1, N2, N3, N4 : Name_Id);
-- Check the specified argument Arg to make sure that it is an
-- identifier whose name matches either N1 or N2 (or N3 if present).
-- If not then give error and raise Pragma_Exit.
procedure Check_In_Main_Program;
-- Common checks for pragmas that appear within a main program
- -- (Priority, Main_Storage, Time_Slice).
+ -- (Priority, Main_Storage, Time_Slice, Relative_Deadline).
procedure Check_Interrupt_Or_Attach_Handler;
-- Common processing for first argument of pragma Interrupt_Handler
-- In this version of the procedure, the identifier name is given as
-- a string with lower case letters.
+ procedure Check_Precondition_Postcondition (In_Body : out Boolean);
+ -- Called to process a precondition or postcondition pragma. There are
+ -- three cases:
+ --
+ -- The pragma appears after a subprogram spec
+ --
+ -- If the corresponding check is not enabled, the pragma is analyzed
+ -- but otherwise ignored and control returns with In_Body set False.
+ --
+ -- If the check is enabled, then the first step is to analyze the
+ -- pragma, but this is skipped if the subprogram spec appears within
+ -- a package specification (because this is the case where we delay
+ -- analysis till the end of the spec). Then (whether or not it was
+ -- analyzed), the pragma is chained to the subprogram in question
+ -- (using Spec_PPC_List and Next_Pragma) and control returns to the
+ -- caller with In_Body set False.
+ --
+ -- The pragma appears at the start of subprogram body declarations
+ --
+ -- In this case an immediate return to the caller is made with
+ -- In_Body set True, and the pragma is NOT analyzed.
+ --
+ -- In all other cases, an error message for bad placement is given
+
procedure Check_Static_Constraint (Constr : Node_Id);
-- Constr is a constraint from an N_Subtype_Indication node from a
-- component constraint in an Unchecked_Union type. This routine checks
-- reference the identifier. After placing the message, Pragma_Exit
-- is raised.
+ procedure Error_Pragma_Ref (Msg : String; Ref : Entity_Id);
+ pragma No_Return (Error_Pragma_Ref);
+ -- Outputs error message for current pragma. The message may contain
+ -- a % that will be replaced with the pragma name. The parameter Ref
+ -- must be an entity whose name can be referenced by & and sloc by #.
+ -- After placing the message, Pragma_Exit is raised.
+
function Find_Lib_Unit_Name return Entity_Id;
-- Used for a library unit pragma to find the entity to which the
-- library unit pragma applies, returns the entity found.
-- optional identifiers when it returns). An entry in Args is Empty
-- on return if the corresponding argument is not present.
- function Get_Pragma_Arg (Arg : Node_Id) return Node_Id;
- -- All the routines that check pragma arguments take either a pragma
- -- argument association (in which case the expression of the argument
- -- association is checked), or the expression directly. The function
- -- Get_Pragma_Arg is a utility used to deal with these two cases. If
- -- Arg is a pragma argument association node, then its expression is
- -- returned, otherwise Arg is returned unchanged.
-
procedure GNAT_Pragma;
-- Called for all GNAT defined pragmas to check the relevant restriction
-- (No_Implementation_Pragmas).
-- Decls where Decls is the list of declarative items.
function Is_Configuration_Pragma return Boolean;
- -- Deterermines if the placement of the current pragma is appropriate
+ -- Determines if the placement of the current pragma is appropriate
-- for a configuration pragma.
function Is_In_Context_Clause return Boolean;
-- expression, returns True if so, False if non-static or not String.
procedure Pragma_Misplaced;
+ pragma No_Return (Pragma_Misplaced);
-- Issue fatal error message for misplaced pragma
procedure Process_Atomic_Shared_Volatile;
-- Common processing for Compile_Time_Error and Compile_Time_Warning
procedure Process_Convention (C : out Convention_Id; E : out Entity_Id);
- -- Common procesing for Convention, Interface, Import and Export.
+ -- Common processing for Convention, Interface, Import and Export.
-- Checks first two arguments of pragma, and sets the appropriate
-- convention value in the specified entity or entities. On return
-- C is the convention, E is the referenced entity.
(Arg_Internal : Node_Id;
Arg_External : Node_Id;
Arg_Size : Node_Id);
- -- Common processing for the pragmass Import/Export_Object.
+ -- Common processing for the pragmas Import/Export_Object.
-- The three arguments correspond to the three named parameters
-- of the pragmas. An argument is empty if the corresponding
-- parameter is not present in the pragma.
Arg_First_Optional_Parameter : Node_Id := Empty);
-- Common processing for all extended Import and Export pragmas
-- applying to subprograms. The caller omits any arguments that do
- -- bnot apply to the pragma in question (for example, Arg_Result_Type
+ -- not apply to the pragma in question (for example, Arg_Result_Type
-- can be non-Empty only in the Import_Function and Export_Function
-- cases). The argument names correspond to the allowed pragma
-- association identifiers.
procedure Process_Restrictions_Or_Restriction_Warnings (Warn : Boolean);
-- Common processing for Restrictions and Restriction_Warnings pragmas.
- -- Warn is False for Restrictions, True for Restriction_Warnings.
+ -- Warn is True for Restriction_Warnings, or for Restrictions if the
+ -- flag Treat_Restrictions_As_Warnings is set, and False if this flag
+ -- is not set in the Restrictions case.
procedure Process_Suppress_Unsuppress (Suppress_Case : Boolean);
-- Common processing for Suppress and Unsuppress. The boolean parameter
end if;
end Check_Arg_Is_One_Of;
+ procedure Check_Arg_Is_One_Of
+ (Arg : Node_Id;
+ N1, N2, N3, N4 : Name_Id)
+ is
+ Argx : constant Node_Id := Get_Pragma_Arg (Arg);
+
+ begin
+ Check_Arg_Is_Identifier (Argx);
+
+ if Chars (Argx) /= N1
+ and then Chars (Argx) /= N2
+ and then Chars (Argx) /= N3
+ and then Chars (Argx) /= N4
+ then
+ Error_Pragma_Arg ("invalid argument for pragma%", Argx);
+ end if;
+ end Check_Arg_Is_One_Of;
+
---------------------------------
-- Check_Arg_Is_Queuing_Policy --
---------------------------------
-- sequence, so the only way we get here is by being in the
-- declarative part of the body.
- elsif Nkind (P) = N_Subprogram_Body
- or else Nkind (P) = N_Package_Body
- or else Nkind (P) = N_Task_Body
- or else Nkind (P) = N_Entry_Body
+ elsif Nkind_In (P, N_Subprogram_Body,
+ N_Package_Body,
+ N_Task_Body,
+ N_Entry_Body)
then
return;
end if;
Check_Optional_Identifier (Arg, Name_Find);
end Check_Optional_Identifier;
+ --------------------------------------
+ -- Check_Precondition_Postcondition --
+ --------------------------------------
+
+ procedure Check_Precondition_Postcondition (In_Body : out Boolean) is
+ P : Node_Id;
+ PO : Node_Id;
+
+ procedure Chain_PPC (PO : Node_Id);
+ -- If PO is a subprogram declaration node (or a generic subprogram
+ -- declaration node), then the precondition/postcondition applies
+ -- to this subprogram and the processing for the pragma is completed.
+ -- Otherwise the pragma is misplaced.
+
+ ---------------
+ -- Chain_PPC --
+ ---------------
+
+ procedure Chain_PPC (PO : Node_Id) is
+ S : Node_Id;
+
+ begin
+ if not Nkind_In (PO, N_Subprogram_Declaration,
+ N_Generic_Subprogram_Declaration)
+ then
+ Pragma_Misplaced;
+ end if;
+
+ -- Here if we have subprogram or generic subprogram declaration
+
+ S := Defining_Unit_Name (Specification (PO));
+
+ -- Analyze the pragma unless it appears within a package spec,
+ -- which is the case where we delay the analysis of the PPC until
+ -- the end of the package declarations (for details, see
+ -- Analyze_Package_Specification.Analyze_PPCs).
+
+ if not Is_Package_Or_Generic_Package (Scope (S)) then
+ Analyze_PPC_In_Decl_Part (N, S);
+ end if;
+
+ -- Chain spec PPC pragma to list for subprogram
+
+ Set_Next_Pragma (N, Spec_PPC_List (S));
+ Set_Spec_PPC_List (S, N);
+
+ -- Return indicating spec case
+
+ In_Body := False;
+ return;
+ end Chain_PPC;
+
+ -- Start of processing for Check_Precondition_Postcondition
+
+ begin
+ if not Is_List_Member (N) then
+ Pragma_Misplaced;
+ end if;
+
+ -- Record whether pragma is enabled
+
+ Set_PPC_Enabled (N, Check_Enabled (Pname));
+
+ -- If we are within an inlined body, the legality of the pragma
+ -- has been checked already.
+
+ if In_Inlined_Body then
+ In_Body := True;
+ return;
+ end if;
+
+ -- Search prior declarations
+
+ P := N;
+ while Present (Prev (P)) loop
+ P := Prev (P);
+
+ -- If the previous node is a generic subprogram, do not go to
+ -- to the original node, which is the unanalyzed tree: we need
+ -- to attach the pre/postconditions to the analyzed version
+ -- at this point. They get propagated to the original tree when
+ -- analyzing the corresponding body.
+
+ if Nkind (P) not in N_Generic_Declaration then
+ PO := Original_Node (P);
+ else
+ PO := P;
+ end if;
+
+ -- Skip past prior pragma
+
+ if Nkind (PO) = N_Pragma then
+ null;
+
+ -- Skip stuff not coming from source
+
+ elsif not Comes_From_Source (PO) then
+ null;
+
+ -- Only remaining possibility is subprogram declaration
+
+ else
+ Chain_PPC (PO);
+ return;
+ end if;
+ end loop;
+
+ -- If we fall through loop, pragma is at start of list, so see if
+ -- it is at the start of declarations of a subprogram body.
+
+ if Nkind (Parent (N)) = N_Subprogram_Body
+ and then List_Containing (N) = Declarations (Parent (N))
+ then
+ if Operating_Mode /= Generate_Code then
+
+ -- Analyze expression in pragma, for correctness
+ -- and for ASIS use.
+
+ Preanalyze_Spec_Expression
+ (Get_Pragma_Arg (Arg1), Standard_Boolean);
+ end if;
+
+ In_Body := True;
+ return;
+
+ -- See if it is in the pragmas after a library level subprogram
+
+ elsif Nkind (Parent (N)) = N_Compilation_Unit_Aux then
+ Chain_PPC (Unit (Parent (Parent (N))));
+ return;
+ end if;
+
+ -- If we fall through, pragma was misplaced
+
+ Pragma_Misplaced;
+ end Check_Precondition_Postcondition;
+
-----------------------------
-- Check_Static_Constraint --
-----------------------------
procedure Check_Static_Constraint (Constr : Node_Id) is
+ procedure Require_Static (E : Node_Id);
+ -- Require given expression to be static expression
+
--------------------
-- Require_Static --
--------------------
- procedure Require_Static (E : Node_Id);
- -- Require given expression to be static expression
-
procedure Require_Static (E : Node_Id) is
begin
if not Is_OK_Static_Expression (E) then
--------------------------------------
-- A configuration pragma must appear in the context clause of a
- -- compilation unit, and only other pragmas may preceed it. Note that
+ -- compilation unit, and only other pragmas may precede it. Note that
-- the test also allows use in a configuration pragma file.
procedure Check_Valid_Configuration_Pragma is
raise Pragma_Exit;
end Error_Pragma_Arg_Ident;
+ ----------------------
+ -- Error_Pragma_Ref --
+ ----------------------
+
+ procedure Error_Pragma_Ref (Msg : String; Ref : Entity_Id) is
+ begin
+ Error_Msg_Name_1 := Pname;
+ Error_Msg_Sloc := Sloc (Ref);
+ Error_Msg_NE (Msg, N, Ref);
+ raise Pragma_Exit;
+ end Error_Pragma_Ref;
+
------------------------
-- Find_Lib_Unit_Name --
------------------------
end loop;
end Gather_Associations;
- --------------------
- -- Get_Pragma_Arg --
- --------------------
-
- function Get_Pragma_Arg (Arg : Node_Id) return Node_Id is
- begin
- if Nkind (Arg) = N_Pragma_Argument_Association then
- return Expression (Arg);
- else
- return Arg;
- end if;
- end Get_Pragma_Arg;
-
-----------------
-- GNAT_Pragma --
-----------------
Utyp : Entity_Id;
procedure Set_Atomic (E : Entity_Id);
- -- Set given type as atomic, and if no explicit alignment was
- -- given, set alignment to unknown, since back end knows what
- -- the alignment requirements are for atomic arrays. Note that
- -- this step is necessary for derived types.
+ -- Set given type as atomic, and if no explicit alignment was given,
+ -- set alignment to unknown, since back end knows what the alignment
+ -- requirements are for atomic arrays. Note: this step is necessary
+ -- for derived types.
----------------
-- Set_Atomic --
Set_Atomic (Base_Type (E));
end if;
- -- Attribute belongs on the base type. If the
- -- view of the type is currently private, it also
- -- belongs on the underlying type.
+ -- Attribute belongs on the base type. If the view of the type is
+ -- currently private, it also belongs on the underlying type.
Set_Is_Volatile (Base_Type (E));
Set_Is_Volatile (Underlying_Type (E));
if Prag_Id /= Pragma_Volatile then
Set_Is_Atomic (E);
- -- If the object declaration has an explicit
- -- initialization, a temporary may have to be
- -- created to hold the expression, to insure
- -- that access to the object remain atomic.
+ -- If the object declaration has an explicit initialization, a
+ -- temporary may have to be created to hold the expression, to
+ -- ensure that access to the object remain atomic.
if Nkind (Parent (E)) = N_Object_Declaration
and then Present (Expression (Parent (E)))
-- An interesting improvement here. If an object of type X
-- is declared atomic, and the type X is not atomic, that's
- -- a pity, since it may not have appropraite alignment etc.
+ -- a pity, since it may not have appropriate alignment etc.
-- We can rescue this in the special case where the object
-- and type are in the same unit by just setting the type
-- as atomic, so that the back end will process it as atomic.
Arg1x : constant Node_Id := Get_Pragma_Arg (Arg1);
begin
- GNAT_Pragma;
Check_Arg_Count (2);
Check_No_Identifiers;
Check_Arg_Is_Static_Expression (Arg2, Standard_String);
if Nkind (Parent (Declaration_Node (E))) =
N_Subprogram_Renaming_Declaration
then
+ if Scope (E) /= Scope (Alias (E)) then
+ Error_Pragma_Ref
+ ("cannot apply pragma% to non-local entity&#", E);
+ end if;
+
E := Alias (E);
- elsif Nkind (Parent (E)) = N_Full_Type_Declaration
+ elsif Nkind_In (Parent (E), N_Full_Type_Declaration,
+ N_Private_Extension_Declaration)
and then Scope (E) = Scope (Alias (E))
then
E := Alias (E);
E1 := Homonym (E1);
exit when No (E1) or else Scope (E1) /= Current_Scope;
+ -- Do not set the pragma on inherited operations or on
+ -- formal subprograms.
+
if Comes_From_Source (E1)
and then Comp_Unit = Get_Source_Unit (E1)
+ and then not Is_Formal_Subprogram (E1)
and then Nkind (Original_Node (Parent (E1))) /=
- N_Full_Type_Declaration
+ N_Full_Type_Declaration
then
+ if Present (Alias (E1))
+ and then Scope (E1) /= Scope (Alias (E1))
+ then
+ Error_Pragma_Ref
+ ("cannot apply pragma% to non-local entity& declared#",
+ E1);
+ end if;
+
Set_Convention_From_Pragma (E1);
if Prag_Id = Pragma_Import then
Code_Val : Uint;
begin
- GNAT_Pragma;
-
if not OpenVMS_On_Target then
Error_Pragma
("?pragma% ignored (applies only to Open'V'M'S)");
(Arg_Internal : Node_Id := Empty)
is
begin
- GNAT_Pragma;
-
if No (Arg_Internal) then
Error_Pragma ("Internal parameter required for pragma%");
end if;
"\no initialization allowed for & declared#", Arg1);
else
Set_Imported (Def_Id);
- Note_Possible_Modification (Arg_Internal);
+ Note_Possible_Modification (Arg_Internal, Sure => False);
end if;
end if;
end Process_Extended_Import_Export_Object_Pragma;
end if;
-- We have a match if the corresponding argument is of an
- -- anonymous access type, and its designicated type matches
+ -- anonymous access type, and its designated type matches
-- the type of the prefix of the access attribute
return Ekind (Ftyp) = E_Anonymous_Access_Type
-- Pragma cannot apply to subprogram body
if Is_Subprogram (Def_Id)
- and then
- Nkind (Parent
- (Declaration_Node (Def_Id))) = N_Subprogram_Body
+ and then Nkind (Parent (Declaration_Node (Def_Id))) =
+ N_Subprogram_Body
then
Error_Pragma
("pragma% requires separate spec"
return;
end if;
- -- Import pragmas must be be for imported entities
+ -- Import pragmas must be for imported entities
if Prag_Id = Pragma_Import_Function
or else
then
null;
- -- In all other cases, set entit as exported
+ -- In all other cases, set entity as exported
else
Set_Exported (Ent, Arg_Internal);
if Chars (Choice) = Chars (Formal) then
Set_Mechanism_Value
(Formal, Expression (Massoc));
+
+ -- Set entity on identifier for ASIS
+
+ Set_Entity (Choice, Formal);
+
exit;
end if;
Exp : Node_Id;
begin
- GNAT_Pragma;
Check_No_Identifiers;
Check_At_Least_N_Arguments (1);
begin
Process_Convention (C, Def_Id);
Kill_Size_Check_Code (Def_Id);
- Note_Possible_Modification (Expression (Arg2));
+ Note_Possible_Modification (Expression (Arg2), Sure => False);
if Ekind (Def_Id) = E_Variable
or else
Process_Interface_Name (Def_Id, Arg3, Arg4);
-- Note that we do not set Is_Public here. That's because we
- -- only want to set if if there is no address clause, and we
+ -- only want to set it if there is no address clause, and we
-- don't know that yet, so we delay that processing till
-- freeze time.
if Present (Decl)
and then Nkind (Decl) = N_Subprogram_Declaration
and then Present (Corresponding_Body (Decl))
- and then
- Nkind
- (Unit_Declaration_Node
- (Corresponding_Body (Decl))) =
+ and then Nkind (Unit_Declaration_Node
+ (Corresponding_Body (Decl))) =
N_Subprogram_Renaming_Declaration
then
Error_Msg_Sloc := Sloc (Def_Id);
elsif (C = Convention_Java or else C = Convention_CIL)
and then
- (Ekind (Def_Id) = E_Package
- or else Ekind (Def_Id) = E_Generic_Package
+ (Is_Package_Or_Generic_Package (Def_Id)
or else Ekind (Def_Id) = E_Exception
or else Nkind (Parent (Def_Id)) = N_Component_Declaration)
then
function Inlining_Not_Possible (Subp : Entity_Id) return Boolean;
-- Returns True if it can be determined at this stage that inlining
- -- is not possible, for examle if the body is available and contains
+ -- is not possible, for example if the body is available and contains
-- exception handlers, we prevent inlining, since otherwise we can
-- get undefined symbols at link time. This function also emits a
-- warning if front-end inlining is enabled and the pragma appears
return;
-- Here we have a candidate for inlining, but we must exclude
- -- derived operations. Otherwise we will end up trying to
- -- inline a phantom declaration, and the result would be to
- -- drag in a body which has no direct inlining associated with
- -- it. That would not only be inefficient but would also result
- -- in the backend doing cross-unit inlining in cases where it
- -- was definitely inappropriate to do so.
-
- -- However, a simple Comes_From_Source test is insufficient,
- -- since we do want to allow inlining of generic instances,
- -- which also do not come from source. Predefined operators do
- -- not come from source but are not inlineable either.
+ -- derived operations. Otherwise we would end up trying to inline
+ -- a phantom declaration, and the result would be to drag in a
+ -- body which has no direct inlining associated with it. That
+ -- would not only be inefficient but would also result in the
+ -- backend doing cross-unit inlining in cases where it was
+ -- definitely inappropriate to do so.
+
+ -- However, a simple Comes_From_Source test is insufficient, since
+ -- we do want to allow inlining of generic instances which also do
+ -- not come from source. We also need to recognize specs
+ -- generated by the front-end for bodies that carry the pragma.
+ -- Finally, predefined operators do not come from source but are
+ -- not inlineable either.
+
+ elsif Is_Generic_Instance (Subp)
+ or else Nkind (Parent (Parent (Subp))) = N_Subprogram_Declaration
+ then
+ null;
elsif not Comes_From_Source (Subp)
- and then not Is_Generic_Instance (Subp)
and then Scope (Subp) /= Standard_Standard
then
Applies := True;
return;
+ end if;
-- The referenced entity must either be the enclosing entity,
-- or an entity declared within the current open scope.
- elsif Present (Scope (Subp))
+ if Present (Scope (Subp))
and then Scope (Subp) /= Current_Scope
and then Subp /= Current_Scope
then
and then Present (Corresponding_Body (Decl))
then
Set_Inline_Flags (Corresponding_Body (Decl));
+
+ elsif Is_Generic_Instance (Subp) then
+
+ -- Indicate that the body needs to be created for
+ -- inlining subsequent calls. The instantiation
+ -- node follows the declaration of the wrapper
+ -- package created for it.
+
+ if Scope (Subp) /= Standard_Standard
+ and then
+ Need_Subprogram_Instance_Body
+ (Next (Unit_Declaration_Node (Scope (Alias (Subp)))),
+ Subp)
+ then
+ null;
+ end if;
end if;
end if;
Link_Nam : Node_Id;
String_Val : String_Id;
- procedure Check_Form_Of_Interface_Name (SN : Node_Id);
+ procedure Check_Form_Of_Interface_Name
+ (SN : Node_Id;
+ Ext_Name_Case : Boolean);
-- SN is a string literal node for an interface name. This routine
-- performs some minimal checks that the name is reasonable. In
-- particular that no spaces or other obviously incorrect characters
-- appear. This is only a warning, since any characters are allowed.
+ -- Ext_Name_Case is True for an External_Name, False for a Link_Name.
----------------------------------
-- Check_Form_Of_Interface_Name --
----------------------------------
- procedure Check_Form_Of_Interface_Name (SN : Node_Id) is
+ procedure Check_Form_Of_Interface_Name
+ (SN : Node_Id;
+ Ext_Name_Case : Boolean)
+ is
S : constant String_Id := Strval (Expr_Value_S (SN));
SL : constant Nat := String_Length (S);
C : Char_Code;
for J in 1 .. SL loop
C := Get_String_Char (S, J);
- if Warn_On_Export_Import
- and then
- (not In_Character_Range (C)
- or else (Get_Character (C) = ' '
- and then VM_Target /= CLI_Target)
- or else Get_Character (C) = ',')
+ -- Look for dubious character and issue unconditional warning.
+ -- Definitely dubious if not in character range.
+
+ if not In_Character_Range (C)
+
+ -- For all cases except external names on CLI target,
+ -- commas, spaces and slashes are dubious (in CLI, we use
+ -- spaces and commas in external names to specify assembly
+ -- version and public key).
+
+ or else ((not Ext_Name_Case or else VM_Target /= CLI_Target)
+ and then (Get_Character (C) = ' '
+ or else
+ Get_Character (C) = ','
+ or else
+ Get_Character (C) = '/'
+ or else
+ Get_Character (C) = '\'))
then
- Error_Msg_N
- ("?interface name contains illegal character", SN);
+ Error_Msg
+ ("?interface name contains illegal character",
+ Sloc (SN) + Source_Ptr (J));
end if;
end loop;
end Check_Form_Of_Interface_Name;
if Present (Ext_Nam) then
Check_Arg_Is_Static_Expression (Ext_Nam, Standard_String);
- Check_Form_Of_Interface_Name (Ext_Nam);
+ Check_Form_Of_Interface_Name (Ext_Nam, Ext_Name_Case => True);
- -- Verify that the external name is not the name of a local
- -- entity, which would hide the imported one and lead to
- -- run-time surprises. The problem can only arise for entities
- -- declared in a package body (otherwise the external name is
- -- fully qualified and won't conflict).
+ -- Verify that external name is not the name of a local entity,
+ -- which would hide the imported one and could lead to run-time
+ -- surprises. The problem can only arise for entities declared in
+ -- a package body (otherwise the external name is fully qualified
+ -- and will not conflict).
declare
Nam : Name_Id;
Par := Parent (E);
while Present (Par) loop
if Nkind (Par) = N_Package_Body then
- Error_Msg_Sloc := Sloc (E);
+ Error_Msg_Sloc := Sloc (E);
Error_Msg_NE
("imported entity is hidden by & declared#",
- Ext_Arg, E);
+ Ext_Arg, E);
exit;
end if;
if Present (Link_Nam) then
Check_Arg_Is_Static_Expression (Link_Nam, Standard_String);
- Check_Form_Of_Interface_Name (Link_Nam);
+ Check_Form_Of_Interface_Name (Link_Nam, Ext_Name_Case => False);
end if;
-- If there is no link name, just set the external name
(Process_Restriction_Synonyms (Expr));
if R_Id not in All_Boolean_Restrictions then
- Error_Pragma_Arg
- ("invalid restriction identifier", Arg);
+ Error_Msg_Name_1 := Pname;
+ Error_Msg_N
+ ("invalid restriction identifier&", Get_Pragma_Arg (Arg));
+
+ -- Check for possible misspelling
+
+ for J in Restriction_Id loop
+ declare
+ Rnm : constant String := Restriction_Id'Image (J);
+
+ begin
+ Name_Buffer (1 .. Rnm'Length) := Rnm;
+ Name_Len := Rnm'Length;
+ Set_Casing (All_Lower_Case);
+
+ if Is_Bad_Spelling_Of (Chars (Expr), Name_Enter) then
+ Set_Casing
+ (Identifier_Casing (Current_Source_File));
+ Error_Msg_String (1 .. Rnm'Length) :=
+ Name_Buffer (1 .. Name_Len);
+ Error_Msg_Strlen := Rnm'Length;
+ Error_Msg_N
+ ("\possible misspelling of ""~""",
+ Get_Pragma_Arg (Arg));
+ exit;
+ end if;
+ end;
+ end loop;
+
+ raise Pragma_Exit;
end if;
if Implementation_Restriction (R_Id) then
- Check_Restriction
- (No_Implementation_Restrictions, Arg);
+ Check_Restriction (No_Implementation_Restrictions, Arg);
end if;
-- If this is a warning, then set the warning unless we already
E : Entity_Id;
In_Package_Spec : constant Boolean :=
- (Ekind (Current_Scope) = E_Package
- or else
- Ekind (Current_Scope) = E_Generic_Package)
+ Is_Package_Or_Generic_Package (Current_Scope)
and then not In_Package_Body (Current_Scope);
procedure Suppress_Unsuppress_Echeck (E : Entity_Id; C : Check_Id);
procedure Set_Mechanism_Value (Ent : Entity_Id; Mech_Name : Node_Id) is
Class : Node_Id;
Param : Node_Id;
+ Mech_Name_Id : Name_Id;
procedure Bad_Class;
-- Signal bad descriptor class name
("mechanism for & has already been set", Mech_Name, Ent);
end if;
- -- MECHANISM_NAME ::= value | reference | descriptor
+ -- MECHANISM_NAME ::= value | reference | descriptor |
+ -- short_descriptor
if Nkind (Mech_Name) = N_Identifier then
if Chars (Mech_Name) = Name_Value then
Set_Mechanism (Ent, By_Descriptor);
return;
+ elsif Chars (Mech_Name) = Name_Short_Descriptor then
+ Check_VMS (Mech_Name);
+ Set_Mechanism (Ent, By_Short_Descriptor);
+ return;
+
elsif Chars (Mech_Name) = Name_Copy then
Error_Pragma_Arg
("bad mechanism name, Value assumed", Mech_Name);
Bad_Mechanism;
end if;
- -- MECHANISM_NAME ::= descriptor (CLASS_NAME)
+ -- MECHANISM_NAME ::= descriptor (CLASS_NAME) |
+ -- short_descriptor (CLASS_NAME)
-- CLASS_NAME ::= ubs | ubsb | uba | s | sb | a | nca
-- Note: this form is parsed as an indexed component
elsif Nkind (Mech_Name) = N_Indexed_Component then
+
Class := First (Expressions (Mech_Name));
if Nkind (Prefix (Mech_Name)) /= N_Identifier
- or else Chars (Prefix (Mech_Name)) /= Name_Descriptor
- or else Present (Next (Class))
+ or else not (Chars (Prefix (Mech_Name)) = Name_Descriptor or else
+ Chars (Prefix (Mech_Name)) = Name_Short_Descriptor)
+ or else Present (Next (Class))
then
Bad_Mechanism;
+ else
+ Mech_Name_Id := Chars (Prefix (Mech_Name));
end if;
- -- MECHANISM_NAME ::= descriptor (Class => CLASS_NAME)
+ -- MECHANISM_NAME ::= descriptor (Class => CLASS_NAME) |
+ -- short_descriptor (Class => CLASS_NAME)
-- CLASS_NAME ::= ubs | ubsb | uba | s | sb | a | nca
-- Note: this form is parsed as a function call
Param := First (Parameter_Associations (Mech_Name));
if Nkind (Name (Mech_Name)) /= N_Identifier
- or else Chars (Name (Mech_Name)) /= Name_Descriptor
+ or else not (Chars (Name (Mech_Name)) = Name_Descriptor or else
+ Chars (Name (Mech_Name)) = Name_Short_Descriptor)
or else Present (Next (Param))
or else No (Selector_Name (Param))
or else Chars (Selector_Name (Param)) /= Name_Class
Bad_Mechanism;
else
Class := Explicit_Actual_Parameter (Param);
+ Mech_Name_Id := Chars (Name (Mech_Name));
end if;
else
if Nkind (Class) /= N_Identifier then
Bad_Class;
- elsif Chars (Class) = Name_UBS then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_UBS
+ then
Set_Mechanism (Ent, By_Descriptor_UBS);
- elsif Chars (Class) = Name_UBSB then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_UBSB
+ then
Set_Mechanism (Ent, By_Descriptor_UBSB);
- elsif Chars (Class) = Name_UBA then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_UBA
+ then
Set_Mechanism (Ent, By_Descriptor_UBA);
- elsif Chars (Class) = Name_S then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_S
+ then
Set_Mechanism (Ent, By_Descriptor_S);
- elsif Chars (Class) = Name_SB then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_SB
+ then
Set_Mechanism (Ent, By_Descriptor_SB);
- elsif Chars (Class) = Name_A then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_A
+ then
Set_Mechanism (Ent, By_Descriptor_A);
- elsif Chars (Class) = Name_NCA then
+ elsif Mech_Name_Id = Name_Descriptor
+ and then Chars (Class) = Name_NCA
+ then
Set_Mechanism (Ent, By_Descriptor_NCA);
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_UBS
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_UBS);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_UBSB
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_UBSB);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_UBA
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_UBA);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_S
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_S);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_SB
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_SB);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_A
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_A);
+
+ elsif Mech_Name_Id = Name_Short_Descriptor
+ and then Chars (Class) = Name_NCA
+ then
+ Set_Mechanism (Ent, By_Short_Descriptor_NCA);
+
else
Bad_Class;
end if;
-- Set the corresponding restrictions
- Set_Profile_Restrictions (Ravenscar, N, Warn => False);
+ Set_Profile_Restrictions
+ (Ravenscar, N, Warn => Treat_Restrictions_As_Warnings);
end Set_Ravenscar_Profile;
-- Start of processing for Analyze_Pragma
end;
-- An enumeration type defines the pragmas that are supported by the
- -- implementation. Get_Pragma_Id (in package Prag) transorms a name
+ -- implementation. Get_Pragma_Id (in package Prag) transforms a name
-- into the corresponding enumeration value for the following case.
case Prag_Id is
when Pragma_Assert => Assert : declare
Expr : Node_Id;
- Eloc : Source_Ptr;
+ Newa : List_Id;
begin
Ada_2005_Pragma;
Check_Arg_Order ((Name_Check, Name_Message));
Check_Optional_Identifier (Arg1, Name_Check);
- if Arg_Count > 1 then
- Check_Optional_Identifier (Arg2, Name_Message);
- Check_Arg_Is_Static_Expression (Arg2, Standard_String);
- end if;
-
- -- If expansion is active and assertions are inactive, then
- -- we rewrite the Assertion as:
-
- -- if False and then condition then
- -- null;
- -- end if;
-
- -- The reason we do this rewriting during semantic analysis rather
- -- than as part of normal expansion is that we cannot analyze and
- -- expand the code for the boolean expression directly, or it may
- -- cause insertion of actions that would escape the attempt to
- -- suppress the assertion code.
-
- -- Note that the Sloc for the if statement corresponds to the
- -- argument condition, not the pragma itself. The reason for this
- -- is that we may generate a warning if the condition is False at
- -- compile time, and we do not want to delete this warning when we
- -- delete the if statement.
+ -- We treat pragma Assert as equivalent to:
- Expr := Expression (Arg1);
- Eloc := Sloc (Expr);
+ -- pragma Check (Assertion, condition [, msg]);
- if Expander_Active and not Assertions_Enabled then
- Rewrite (N,
- Make_If_Statement (Eloc,
- Condition =>
- Make_And_Then (Eloc,
- Left_Opnd => New_Occurrence_Of (Standard_False, Eloc),
- Right_Opnd => Expr),
- Then_Statements => New_List (
- Make_Null_Statement (Eloc))));
+ -- So rewrite pragma in this manner, and analyze the result
- Analyze (N);
+ Expr := Get_Pragma_Arg (Arg1);
+ Newa := New_List (
+ Make_Pragma_Argument_Association (Loc,
+ Expression =>
+ Make_Identifier (Loc,
+ Chars => Name_Assertion)),
- -- Otherwise (if assertions are enabled, or if we are not
- -- operating with expansion active), then we just analyze
- -- and resolve the expression.
+ Make_Pragma_Argument_Association (Sloc (Expr),
+ Expression => Expr));
- else
- Analyze_And_Resolve (Expr, Any_Boolean);
+ if Arg_Count > 1 then
+ Check_Optional_Identifier (Arg2, Name_Message);
+ Analyze_And_Resolve (Get_Pragma_Arg (Arg2), Standard_String);
+ Append_To (Newa, Relocate_Node (Arg2));
end if;
- -- If assertion is of the form (X'First = literal), where X is
- -- formal parameter, then set Low_Bound_Known flag on this formal.
-
- if Nkind (Expr) = N_Op_Eq then
- declare
- Right : constant Node_Id := Right_Opnd (Expr);
- Left : constant Node_Id := Left_Opnd (Expr);
- begin
- if Nkind (Left) = N_Attribute_Reference
- and then Attribute_Name (Left) = Name_First
- and then Is_Entity_Name (Prefix (Left))
- and then Is_Formal (Entity (Prefix (Left)))
- and then Nkind (Right) = N_Integer_Literal
- then
- Set_Low_Bound_Known (Entity (Prefix (Left)));
- end if;
- end;
- end if;
+ Rewrite (N,
+ Make_Pragma (Loc,
+ Chars => Name_Check,
+ Pragma_Argument_Associations => Newa));
+ Analyze (N);
end Assert;
----------------------
-- pragma Assertion_Policy (Check | Ignore)
- when Pragma_Assertion_Policy =>
+ when Pragma_Assertion_Policy => Assertion_Policy : declare
+ Policy : Node_Id;
+
+ begin
Ada_2005_Pragma;
+ Check_Valid_Configuration_Pragma;
Check_Arg_Count (1);
+ Check_No_Identifiers;
Check_Arg_Is_One_Of (Arg1, Name_Check, Name_Ignore);
- Assertions_Enabled := Chars (Expression (Arg1)) = Name_Check;
- ---------------
- -- AST_Entry --
- ---------------
+ -- We treat pragma Assertion_Policy as equivalent to:
- -- pragma AST_Entry (entry_IDENTIFIER);
+ -- pragma Check_Policy (Assertion, policy)
- when Pragma_AST_Entry => AST_Entry : declare
- Ent : Node_Id;
+ -- So rewrite the pragma in that manner and link on to the chain
+ -- of Check_Policy pragmas, marking the pragma as analyzed.
+
+ Policy := Get_Pragma_Arg (Arg1);
+
+ Rewrite (N,
+ Make_Pragma (Loc,
+ Chars => Name_Check_Policy,
+
+ Pragma_Argument_Associations => New_List (
+ Make_Pragma_Argument_Association (Loc,
+ Expression =>
+ Make_Identifier (Loc,
+ Chars => Name_Assertion)),
+
+ Make_Pragma_Argument_Association (Loc,
+ Expression =>
+ Make_Identifier (Sloc (Policy),
+ Chars => Chars (Policy))))));
+
+ Set_Analyzed (N);
+ Set_Next_Pragma (N, Opt.Check_Policy_List);
+ Opt.Check_Policy_List := N;
+ end Assertion_Policy;
+
+ ------------------------------
+ -- Assume_No_Invalid_Values --
+ ------------------------------
+
+ -- pragma Assume_No_Invalid_Values (On | Off);
+
+ when Pragma_Assume_No_Invalid_Values =>
+ GNAT_Pragma;
+ Check_Valid_Configuration_Pragma;
+ Check_Arg_Count (1);
+ Check_No_Identifiers;
+ Check_Arg_Is_One_Of (Arg1, Name_On, Name_Off);
+
+ if Chars (Expression (Arg1)) = Name_On then
+ Assume_No_Invalid_Values := True;
+ else
+ Assume_No_Invalid_Values := False;
+ end if;
+
+ ---------------
+ -- AST_Entry --
+ ---------------
+
+ -- pragma AST_Entry (entry_IDENTIFIER);
+
+ when Pragma_AST_Entry => AST_Entry : declare
+ Ent : Node_Id;
begin
GNAT_Pragma;
New_Copy_Tree (Expression (Arg2));
begin
Set_Parent (Temp, N);
- Pre_Analyze_And_Resolve (Temp, RTE (RE_Interrupt_ID));
+ Preanalyze_And_Resolve (Temp, RTE (RE_Interrupt_ID));
end;
else
end if;
end C_Pass_By_Copy;
+ -----------
+ -- Check --
+ -----------
+
+ -- pragma Check ([Name =>] Identifier,
+ -- [Check =>] Boolean_Expression
+ -- [,[Message =>] String_Expression]);
+
+ when Pragma_Check => Check : declare
+ Expr : Node_Id;
+ Eloc : Source_Ptr;
+
+ Check_On : Boolean;
+ -- Set True if category of assertions referenced by Name enabled
+
+ begin
+ GNAT_Pragma;
+ Check_At_Least_N_Arguments (2);
+ Check_At_Most_N_Arguments (3);
+ Check_Optional_Identifier (Arg1, Name_Name);
+ Check_Optional_Identifier (Arg2, Name_Check);
+
+ if Arg_Count = 3 then
+ Check_Optional_Identifier (Arg3, Name_Message);
+ Analyze_And_Resolve (Get_Pragma_Arg (Arg3), Standard_String);
+ end if;
+
+ Check_Arg_Is_Identifier (Arg1);
+ Check_On := Check_Enabled (Chars (Get_Pragma_Arg (Arg1)));
+
+ -- If expansion is active and the check is not enabled then we
+ -- rewrite the Check as:
+
+ -- if False and then condition then
+ -- null;
+ -- end if;
+
+ -- The reason we do this rewriting during semantic analysis rather
+ -- than as part of normal expansion is that we cannot analyze and
+ -- expand the code for the boolean expression directly, or it may
+ -- cause insertion of actions that would escape the attempt to
+ -- suppress the check code.
+
+ -- Note that the Sloc for the if statement corresponds to the
+ -- argument condition, not the pragma itself. The reason for this
+ -- is that we may generate a warning if the condition is False at
+ -- compile time, and we do not want to delete this warning when we
+ -- delete the if statement.
+
+ Expr := Expression (Arg2);
+
+ if Expander_Active and then not Check_On then
+ Eloc := Sloc (Expr);
+
+ Rewrite (N,
+ Make_If_Statement (Eloc,
+ Condition =>
+ Make_And_Then (Eloc,
+ Left_Opnd => New_Occurrence_Of (Standard_False, Eloc),
+ Right_Opnd => Expr),
+ Then_Statements => New_List (
+ Make_Null_Statement (Eloc))));
+
+ Analyze (N);
+
+ -- Check is active
+
+ else
+ Analyze_And_Resolve (Expr, Any_Boolean);
+ end if;
+
+ -- If assertion is of the form (X'First = literal), where X is
+ -- a formal, then set Low_Bound_Known flag on this formal.
+
+ if Nkind (Expr) = N_Op_Eq then
+ declare
+ Right : constant Node_Id := Right_Opnd (Expr);
+ Left : constant Node_Id := Left_Opnd (Expr);
+ begin
+ if Nkind (Left) = N_Attribute_Reference
+ and then Attribute_Name (Left) = Name_First
+ and then Is_Entity_Name (Prefix (Left))
+ and then Is_Formal (Entity (Prefix (Left)))
+ and then Nkind (Right) = N_Integer_Literal
+ then
+ Set_Low_Bound_Known (Entity (Prefix (Left)));
+ end if;
+ end;
+ end if;
+ end Check;
+
----------------
-- Check_Name --
----------------
Check_Names.Append (Nam);
end;
+ ------------------
+ -- Check_Policy --
+ ------------------
+
+ -- pragma Check_Policy ([Name =>] IDENTIFIER,
+ -- POLICY_IDENTIFIER;
+
+ -- POLICY_IDENTIFIER ::= ON | OFF | CHECK | IGNORE
+
+ -- Note: this is a configuration pragma, but it is allowed to
+ -- appear anywhere else.
+
+ when Pragma_Check_Policy =>
+ GNAT_Pragma;
+ Check_Arg_Count (2);
+ Check_No_Identifier (Arg2);
+ Check_Optional_Identifier (Arg1, Name_Name);
+ Check_Arg_Is_One_Of
+ (Arg2, Name_On, Name_Off, Name_Check, Name_Ignore);
+
+ -- A Check_Policy pragma can appear either as a configuration
+ -- pragma, or in a declarative part or a package spec (see RM
+ -- 11.5(5) for rules for Suppress/Unsuppress which are also
+ -- followed for Check_Policy).
+
+ if not Is_Configuration_Pragma then
+ Check_Is_In_Decl_Part_Or_Package_Spec;
+ end if;
+
+ Set_Next_Pragma (N, Opt.Check_Policy_List);
+ Opt.Check_Policy_List := N;
+
---------------------
-- CIL_Constructor --
---------------------
-- pragma Comment (static_string_EXPRESSION)
- -- Processing for pragma Comment shares the circuitry for
- -- pragma Ident. The only differences are that Ident enforces
- -- a limit of 31 characters on its argument, and also enforces
- -- limitations on placement for DEC compatibility. Pragma
- -- Comment shares neither of these restrictions.
+ -- Processing for pragma Comment shares the circuitry for pragma
+ -- Ident. The only differences are that Ident enforces a limit of 31
+ -- characters on its argument, and also enforces limitations on
+ -- placement for DEC compatibility. Pragma Comment shares neither of
+ -- these restrictions.
-------------------
-- Common_Object --
-- (boolean_EXPRESSION, static_string_EXPRESSION);
when Pragma_Compile_Time_Error =>
+ GNAT_Pragma;
Process_Compile_Time_Warning_Or_Error;
--------------------------
-- (boolean_EXPRESSION, static_string_EXPRESSION);
when Pragma_Compile_Time_Warning =>
+ GNAT_Pragma;
Process_Compile_Time_Warning_Or_Error;
-------------------
when Pragma_CPP_Virtual => CPP_Virtual : declare
begin
+ GNAT_Pragma;
+
if Warn_On_Obsolescent_Feature then
Error_Msg_N
("'G'N'A'T pragma cpp'_virtual is now obsolete and has " &
when Pragma_CPP_Vtable => CPP_Vtable : declare
begin
+ GNAT_Pragma;
+
if Warn_On_Obsolescent_Feature then
Error_Msg_N
("'G'N'A'T pragma cpp'_vtable is now obsolete and has " &
-- pragma Discard_Names [([On =>] LOCAL_NAME)];
when Pragma_Discard_Names => Discard_Names : declare
- E_Id : Entity_Id;
E : Entity_Id;
+ E_Id : Entity_Id;
begin
Check_Ada_83_Warning;
Check_Arg_Count (1);
Check_Optional_Identifier (Arg1, Name_On);
Check_Arg_Is_Local_Name (Arg1);
+
E_Id := Expression (Arg1);
if Etype (E_Id) = Any_Type then
end if;
if (Is_First_Subtype (E)
- and then (Is_Enumeration_Type (E)
- or else Is_Tagged_Type (E)))
+ and then
+ (Is_Enumeration_Type (E) or else Is_Tagged_Type (E)))
or else Ekind (E) = E_Exception
then
Set_Discard_Names (E);
Error_Pragma_Arg
("inappropriate entity for pragma%", Arg1);
end if;
+
end if;
end if;
end Discard_Names;
-- compilation unit. If the pragma appears in some unit
-- in the context, there might still be a need for an
-- Elaborate_All_Desirable from the current compilation
- -- to the the named unit, so we keep the check enabled.
+ -- to the named unit, so we keep the check enabled.
if In_Extended_Main_Source_Unit (N) then
Set_Suppress_Elaboration_Warnings
end loop Outer;
-- Give a warning if operating in static mode with -gnatwl
- -- (elaboration warnings eanbled) switch set.
+ -- (elaboration warnings enabled) switch set.
if Elab_Warnings and not Dynamic_Elaboration_Checks then
Error_Msg_N
Process_Convention (C, Def_Id);
if Ekind (Def_Id) /= E_Constant then
- Note_Possible_Modification (Expression (Arg2));
+ Note_Possible_Modification (Expression (Arg2), Sure => False);
end if;
Process_Interface_Name (Def_Id, Arg3, Arg4);
Set_Exported (Def_Id, Arg2);
+
+ -- If the entity is a deferred constant, propagate the
+ -- information to the full view, because gigi elaborates
+ -- the full view only.
+
+ if Ekind (Def_Id) = E_Constant
+ and then Present (Full_View (Def_Id))
+ then
+ declare
+ Id2 : constant Entity_Id := Full_View (Def_Id);
+ begin
+ Set_Is_Exported (Id2, Is_Exported (Def_Id));
+ Set_First_Rep_Item (Id2, First_Rep_Item (Def_Id));
+ Set_Interface_Name (Id2, Einfo.Interface_Name (Def_Id));
+ end;
+ end if;
end Export;
----------------------
Code : Node_Id renames Args (4);
begin
+ GNAT_Pragma;
+
if Inside_A_Generic then
Error_Pragma ("pragma% cannot be used for generic entities");
end if;
Check_At_Least_N_Arguments (2);
Check_At_Most_N_Arguments (4);
Process_Convention (C, Def_Id);
- Note_Possible_Modification (Expression (Arg2));
+ Note_Possible_Modification (Expression (Arg2), Sure => False);
Process_Interface_Name (Def_Id, Arg3, Arg4);
Set_Exported (Def_Id, Arg2);
end External;
Typ : Entity_Id;
begin
+ GNAT_Pragma;
Check_No_Identifiers;
Check_Arg_Count (1);
Check_Arg_Is_Local_Name (Arg1);
Code : Node_Id renames Args (4);
begin
+ GNAT_Pragma;
Gather_Associations (Names, Args);
if Present (External) and then Present (Code) then
-- pragma Inline_Always ( NAME {, NAME} );
when Pragma_Inline_Always =>
+ GNAT_Pragma;
Process_Inline (True);
--------------------
-- pragma Inline_Generic (NAME {, NAME});
when Pragma_Inline_Generic =>
+ GNAT_Pragma;
Process_Generic_List;
----------------------
Def_Id := Entity (Id);
end if;
- -- Special DEC-compatible processing for the object case,
- -- forces object to be imported.
+ -- Special DEC-compatible processing for the object case, forces
+ -- object to be imported.
if Ekind (Def_Id) = E_Variable then
Kill_Size_Check_Code (Def_Id);
- Note_Possible_Modification (Id);
+ Note_Possible_Modification (Id, Sure => False);
-- Initialization is not allowed for imported variable
-- described in "Handling of Default and Per-Object
-- Expressions" in sem.ads.
- Analyze_Per_Use_Expression (Arg, RTE (RE_Interrupt_Priority));
+ Preanalyze_Spec_Expression (Arg, RTE (RE_Interrupt_Priority));
end if;
if Nkind (P) /= N_Task_Definition
Check_No_Identifiers;
Check_Arg_Count (1);
Check_Is_In_Decl_Part_Or_Package_Spec;
+ Check_Arg_Is_Static_Expression (Arg1, Standard_String);
+ Start_String (Strval (Expr_Value_S (Expression (Arg1))));
+
+ Arg := Arg2;
+ while Present (Arg) loop
+ Check_Arg_Is_Static_Expression (Arg, Standard_String);
+ Store_String_Char (ASCII.NUL);
+ Store_String_Chars (Strval (Expr_Value_S (Expression (Arg))));
+ Arg := Next (Arg);
+ end loop;
if Operating_Mode = Generate_Code
and then In_Extended_Main_Source_Unit (N)
then
- Check_Arg_Is_Static_Expression (Arg1, Standard_String);
- Start_String (Strval (Expr_Value_S (Expression (Arg1))));
-
- Arg := Arg2;
- while Present (Arg) loop
- Check_Arg_Is_Static_Expression (Arg, Standard_String);
- Store_String_Char (ASCII.NUL);
- Store_String_Chars
- (Strval (Expr_Value_S (Expression (Arg))));
- Arg := Next (Arg);
- end loop;
-
Store_Linker_Option_String (End_String);
end if;
end Linker_Options;
Check_Arg_Is_Library_Level_Local_Name (Arg1);
Check_Arg_Is_Static_Expression (Arg2, Standard_String);
+ -- This pragma applies only to objects
+
+ if not Is_Object (Entity (Expression (Arg1))) then
+ Error_Pragma_Arg ("pragma% applies only to objects", Arg1);
+ end if;
+
-- The only processing required is to link this item on to the
-- list of rep items for the given entity. This is accomplished
-- by the call to Rep_Item_Too_Late (when no error is detected
-- it was misplaced.
when Pragma_No_Body =>
- Error_Pragma ("misplaced pragma %");
+ GNAT_Pragma;
+ Pragma_Misplaced;
---------------
-- No_Return --
end loop;
end No_Return;
+ -----------------
+ -- No_Run_Time --
+ -----------------
+
+ -- pragma No_Run_Time;
+
+ -- Note: this pragma is retained for backwards compatibility.
+ -- See body of Rtsfind for full details on its handling.
+
+ when Pragma_No_Run_Time =>
+ GNAT_Pragma;
+ Check_Valid_Configuration_Pragma;
+ Check_Arg_Count (0);
+
+ No_Run_Time_Mode := True;
+ Configurable_Run_Time_Mode := True;
+
+ -- Set Duration to 32 bits if word size is 32
+
+ if Ttypes.System_Word_Size = 32 then
+ Duration_32_Bits_On_Target := True;
+ end if;
+
+ -- Set appropriate restrictions
+
+ Set_Restriction (No_Finalization, N);
+ Set_Restriction (No_Exception_Handlers, N);
+ Set_Restriction (Max_Tasks, N, 0);
+ Set_Restriction (No_Tasking, N);
+
------------------------
-- No_Strict_Aliasing --
------------------------
-- pragma No_Strict_Aliasing [([Entity =>] type_LOCAL_NAME)];
- when Pragma_No_Strict_Aliasing => No_Strict_Alias : declare
+ when Pragma_No_Strict_Aliasing => No_Strict_Aliasing : declare
E_Id : Entity_Id;
begin
Set_No_Strict_Aliasing (Implementation_Base_Type (E_Id));
end if;
- end No_Strict_Alias;
+ end No_Strict_Aliasing;
+
+ -----------------------
+ -- Normalize_Scalars --
+ -----------------------
+
+ -- pragma Normalize_Scalars;
+
+ when Pragma_Normalize_Scalars =>
+ Check_Ada_83_Warning;
+ Check_Arg_Count (0);
+ Check_Valid_Configuration_Pragma;
+ Normalize_Scalars := True;
+ Init_Or_Norm_Scalars := True;
-----------------
-- Obsolescent --
if Present (Ename) then
-- If entity name matches, we are fine
+ -- Save entity in pragma argument, for ASIS use.
if Chars (Ename) = Chars (Ent) then
- null;
+ Set_Entity (Ename, Ent);
+ Generate_Reference (Ent, Ename);
-- If entity name does not match, only possibility is an
-- enumeration literal from an enumeration type declaration.
"enumeration literal");
elsif Chars (Ent) = Chars (Ename) then
+ Set_Entity (Ename, Ent);
+ Generate_Reference (Ent, Ename);
exit;
else
end if;
end loop;
- Set_Obsolescent_Warning (Ent, Expression (Arg1));
+ Obsolescent_Warnings.Append
+ ((Ent => Ent, Msg => Strval (Expression (Arg1))));
-- Check for Ada_05 parameter
declare
Ent : constant Entity_Id := Find_Lib_Unit_Name;
begin
- if Ekind (Ent) = E_Package
- or else Ekind (Ent) = E_Generic_Package
- then
+ if Is_Package_Or_Generic_Package (Ent) then
Set_Obsolescent (Ent);
return;
end if;
end if;
end Obsolescent;
- -----------------
- -- No_Run_Time --
- -----------------
-
- -- pragma No_Run_Time
-
- -- Note: this pragma is retained for backwards compatibiltiy.
- -- See body of Rtsfind for full details on its handling.
-
- when Pragma_No_Run_Time =>
- GNAT_Pragma;
- Check_Valid_Configuration_Pragma;
- Check_Arg_Count (0);
-
- No_Run_Time_Mode := True;
- Configurable_Run_Time_Mode := True;
-
- -- Set Duration to 32 bits if word size is 32
-
- if Ttypes.System_Word_Size = 32 then
- Duration_32_Bits_On_Target := True;
- end if;
-
- -- Set appropriate restrictions
-
- Set_Restriction (No_Finalization, N);
- Set_Restriction (No_Exception_Handlers, N);
- Set_Restriction (Max_Tasks, N, 0);
- Set_Restriction (No_Tasking, N);
-
- -----------------------
- -- Normalize_Scalars --
- -----------------------
-
- -- pragma Normalize_Scalars;
-
- when Pragma_Normalize_Scalars =>
- Check_Ada_83_Warning;
- Check_Arg_Count (0);
- Check_Valid_Configuration_Pragma;
- Normalize_Scalars := True;
- Init_Or_Norm_Scalars := True;
-
--------------
-- Optimize --
--------------
end case;
end;
+ -- Set indication that mode is set locally. If we are in fact in a
+ -- configuration pragma file, this setting is harmless since the
+ -- switch will get reset anyway at the start of each unit.
+
+ Optimize_Alignment_Local := True;
+
----------
-- Pack --
----------
end if;
end Preelab_Init;
- -------------
- -- Polling --
- -------------
-
- -- pragma Polling (ON | OFF);
-
- when Pragma_Polling =>
- GNAT_Pragma;
- Check_Arg_Count (1);
- Check_No_Identifiers;
- Check_Arg_Is_One_Of (Arg1, Name_On, Name_Off);
- Polling_Required := (Chars (Expression (Arg1)) = Name_On);
-
--------------------
-- Persistent_BSS --
--------------------
end if;
end Persistent_BSS;
+ -------------
+ -- Polling --
+ -------------
+
+ -- pragma Polling (ON | OFF);
+
+ when Pragma_Polling =>
+ GNAT_Pragma;
+ Check_Arg_Count (1);
+ Check_No_Identifiers;
+ Check_Arg_Is_One_Of (Arg1, Name_On, Name_Off);
+ Polling_Required := (Chars (Expression (Arg1)) = Name_On);
+
+ -------------------
+ -- Postcondition --
+ -------------------
+
+ -- pragma Postcondition ([Check =>] Boolean_Expression
+ -- [,[Message =>] String_Expression]);
+
+ when Pragma_Postcondition => Postcondition : declare
+ In_Body : Boolean;
+ pragma Warnings (Off, In_Body);
+
+ begin
+ GNAT_Pragma;
+ Check_At_Least_N_Arguments (1);
+ Check_At_Most_N_Arguments (2);
+ Check_Optional_Identifier (Arg1, Name_Check);
+
+ -- All we need to do here is call the common check procedure,
+ -- the remainder of the processing is found in Sem_Ch6/Sem_Ch7.
+
+ Check_Precondition_Postcondition (In_Body);
+ end Postcondition;
+
+ ------------------
+ -- Precondition --
+ ------------------
+
+ -- pragma Precondition ([Check =>] Boolean_Expression
+ -- [,[Message =>] String_Expression]);
+
+ when Pragma_Precondition => Precondition : declare
+ In_Body : Boolean;
+
+ begin
+ GNAT_Pragma;
+ Check_At_Least_N_Arguments (1);
+ Check_At_Most_N_Arguments (2);
+ Check_Optional_Identifier (Arg1, Name_Check);
+
+ Check_Precondition_Postcondition (In_Body);
+
+ -- If in spec, nothing to do. If in body, then we convert the
+ -- pragma to pragma Check (Precondition, cond [, msg]). Note we
+ -- do this whether or not precondition checks are enabled. That
+ -- works fine since pragma Check will do this check.
+
+ if In_Body then
+ if Arg_Count = 2 then
+ Check_Optional_Identifier (Arg3, Name_Message);
+ Analyze_And_Resolve (Get_Pragma_Arg (Arg2), Standard_String);
+ end if;
+
+ Analyze_And_Resolve (Get_Pragma_Arg (Arg1), Standard_Boolean);
+
+ Rewrite (N,
+ Make_Pragma (Loc,
+ Chars => Name_Check,
+ Pragma_Argument_Associations => New_List (
+ Make_Pragma_Argument_Association (Loc,
+ Expression =>
+ Make_Identifier (Loc,
+ Chars => Name_Precondition)),
+
+ Make_Pragma_Argument_Association (Sloc (Arg1),
+ Expression => Relocate_Node (Get_Pragma_Arg (Arg1))))));
+
+ if Arg_Count = 2 then
+ Append_To (Pragma_Argument_Associations (N),
+ Make_Pragma_Argument_Association (Sloc (Arg2),
+ Expression => Relocate_Node (Get_Pragma_Arg (Arg2))));
+ end if;
+
+ Analyze (N);
+ end if;
+ end Precondition;
+
------------------
-- Preelaborate --
------------------
-- described in "Handling of Default and Per-Object
-- Expressions" in sem.ads.
- Analyze_Per_Use_Expression (Arg, Standard_Integer);
+ Preanalyze_Spec_Expression (Arg, Standard_Integer);
if not Is_Static_Expression (Arg) then
Check_Restriction (Static_Priorities, Arg);
-- pragma Profile (profile_IDENTIFIER);
- -- profile_IDENTIFIER => Protected | Ravenscar
+ -- profile_IDENTIFIER => Restricted | Ravenscar
when Pragma_Profile =>
Ada_2005_Pragma;
if Chars (Argx) = Name_Ravenscar then
Set_Ravenscar_Profile (N);
elsif Chars (Argx) = Name_Restricted then
- Set_Profile_Restrictions (Restricted, N, Warn => False);
+ Set_Profile_Restrictions
+ (Restricted, N, Warn => Treat_Restrictions_As_Warnings);
else
Error_Pragma_Arg ("& is not a valid profile", Argx);
end if;
-- pragma Profile_Warnings (profile_IDENTIFIER);
- -- profile_IDENTIFIER => Protected | Ravenscar
+ -- profile_IDENTIFIER => Restricted | Ravenscar
when Pragma_Profile_Warnings =>
GNAT_Pragma;
end if;
end;
+ -----------------------
+ -- Relative_Deadline --
+ -----------------------
+
+ -- pragma Relative_Deadline (time_span_EXPRESSION);
+
+ when Pragma_Relative_Deadline => Relative_Deadline : declare
+ P : constant Node_Id := Parent (N);
+ Arg : Node_Id;
+
+ begin
+ Ada_2005_Pragma;
+ Check_No_Identifiers;
+ Check_Arg_Count (1);
+
+ Arg := Expression (Arg1);
+
+ -- The expression must be analyzed in the special manner described
+ -- in "Handling of Default and Per-Object Expressions" in sem.ads.
+
+ Preanalyze_Spec_Expression (Arg, RTE (RE_Time_Span));
+
+ -- Subprogram case
+
+ if Nkind (P) = N_Subprogram_Body then
+ Check_In_Main_Program;
+
+ -- Tasks
+
+ elsif Nkind (P) = N_Task_Definition then
+ null;
+
+ -- Anything else is incorrect
+
+ else
+ Pragma_Misplaced;
+ end if;
+
+ if Has_Relative_Deadline_Pragma (P) then
+ Error_Pragma ("duplicate pragma% not allowed");
+ else
+ Set_Has_Relative_Deadline_Pragma (P, True);
+
+ if Nkind (P) = N_Task_Definition then
+ Record_Rep_Item (Defining_Identifier (Parent (P)), N);
+ end if;
+ end if;
+ end Relative_Deadline;
+
---------------------------
-- Remote_Call_Interface --
---------------------------
GNAT_Pragma;
Check_Arg_Count (0);
Check_Valid_Configuration_Pragma;
- Set_Profile_Restrictions (Restricted, N, Warn => False);
+ Set_Profile_Restrictions
+ (Restricted, N, Warn => Treat_Restrictions_As_Warnings);
if Warn_On_Obsolescent_Feature then
Error_Msg_N
-- | restriction_parameter_IDENTIFIER => EXPRESSION
when Pragma_Restrictions =>
- Process_Restrictions_Or_Restriction_Warnings (Warn => False);
+ Process_Restrictions_Or_Restriction_Warnings
+ (Warn => Treat_Restrictions_As_Warnings);
--------------------------
-- Restriction_Warnings --
-- | restriction_parameter_IDENTIFIER => EXPRESSION
when Pragma_Restriction_Warnings =>
+ GNAT_Pragma;
Process_Restrictions_Or_Restriction_Warnings (Warn => True);
----------------
Check_No_Identifiers;
Check_Arg_Count (1);
- -- The expression must be analyzed in the special manner
- -- described in "Handling of Default Expressions" in sem.ads.
-
- -- Set In_Default_Expression for per-object case ???
+ -- The expression must be analyzed in the special manner described
+ -- in "Handling of Default Expressions" in sem.ads.
Arg := Expression (Arg1);
- Analyze_Per_Use_Expression (Arg, Any_Integer);
+ Preanalyze_Spec_Expression (Arg, Any_Integer);
if not Is_Static_Expression (Arg) then
Check_Restriction (Static_Storage_Size, Arg);
end if;
end Check_OK_Stream_Convert_Function;
- -- Start of procecessing for Stream_Convert
+ -- Start of processing for Stream_Convert
begin
GNAT_Pragma;
Write : constant Entity_Id := Entity (Expression (Arg3));
begin
- if Etype (Typ) = Any_Type
- or else
- Etype (Read) = Any_Type
+ Check_First_Subtype (Arg1);
+
+ -- Check for too early or too late. Note that we don't enforce
+ -- the rule about primitive operations in this case, since, as
+ -- is the case for explicit stream attributes themselves, these
+ -- restrictions are not appropriate. Note that the chaining of
+ -- the pragma by Rep_Item_Too_Late is actually the critical
+ -- processing done for this pragma.
+
+ if Rep_Item_Too_Early (Typ, N)
or else
- Etype (Write) = Any_Type
+ Rep_Item_Too_Late (Typ, N, FOnly => True)
then
return;
end if;
- Check_First_Subtype (Arg1);
+ -- Return if previous error
- if Rep_Item_Too_Early (Typ, N)
+ if Etype (Typ) = Any_Type
or else
- Rep_Item_Too_Late (Typ, N)
+ Etype (Read) = Any_Type
+ or else
+ Etype (Write) = Any_Type
then
return;
end if;
+ -- Error checks
+
if Underlying_Type (Etype (Read)) /= Typ then
Error_Pragma_Arg
("incorrect return type for function&", Arg2);
-- or the identifier GCC, no other identifiers are acceptable.
when Pragma_System_Name =>
+ GNAT_Pragma;
Check_No_Identifiers;
Check_Arg_Count (1);
Check_Arg_Is_One_Of (Arg1, Name_Gcc, Name_Gnat);
-- pragma Task_Name (string_EXPRESSION);
when Pragma_Task_Name => Task_Name : declare
- -- pragma Priority (EXPRESSION);
-
P : constant Node_Id := Parent (N);
Arg : Node_Id;
end if;
end Task_Storage;
+ --------------------------
+ -- Thread_Local_Storage --
+ --------------------------
+
+ -- pragma Thread_Local_Storage ([Entity =>] LOCAL_NAME);
+
+ when Pragma_Thread_Local_Storage => Thread_Local_Storage : declare
+ Id : Node_Id;
+ E : Entity_Id;
+
+ begin
+ GNAT_Pragma;
+ Check_Arg_Count (1);
+ Check_Optional_Identifier (Arg1, Name_Entity);
+ Check_Arg_Is_Local_Name (Arg1);
+
+ Id := Expression (Arg1);
+ Analyze (Id);
+
+ if not Is_Entity_Name (Id)
+ or else Ekind (Entity (Id)) /= E_Variable
+ then
+ Error_Pragma_Arg ("local variable name required", Arg1);
+ end if;
+
+ E := Entity (Id);
+
+ if Rep_Item_Too_Early (E, N)
+ or else Rep_Item_Too_Late (E, N)
+ then
+ raise Pragma_Exit;
+ end if;
+
+ Set_Has_Pragma_Thread_Local_Storage (E);
+ end Thread_Local_Storage;
+
----------------
-- Time_Slice --
----------------
Variant : Node_Id;
begin
- GNAT_Pragma;
+ Ada_2005_Pragma;
Check_No_Identifiers;
Check_Arg_Count (1);
Check_Arg_Is_Local_Name (Arg1);
-- pragma Unsuppress (IDENTIFIER [, [On =>] NAME]);
when Pragma_Unsuppress =>
- GNAT_Pragma;
+ Ada_2005_Pragma;
Process_Suppress_Unsuppress (False);
-------------------
-- pragma Wide_Character_Encoding (IDENTIFIER);
when Pragma_Wide_Character_Encoding =>
+ GNAT_Pragma;
-- Nothing to do, handled in parser. Note that we do not enforce
-- configuration pragma placement, this pragma can appear at any
when Pragma_Exit => null;
end Analyze_Pragma;
+ -------------------
+ -- Check_Enabled --
+ -------------------
+
+ function Check_Enabled (Nam : Name_Id) return Boolean is
+ PP : Node_Id;
+
+ begin
+ PP := Opt.Check_Policy_List;
+ loop
+ if No (PP) then
+ return Assertions_Enabled;
+
+ elsif
+ Nam = Chars (Expression (First (Pragma_Argument_Associations (PP))))
+ then
+ case
+ Chars (Expression (Last (Pragma_Argument_Associations (PP))))
+ is
+ when Name_On | Name_Check =>
+ return True;
+ when Name_Off | Name_Ignore =>
+ return False;
+ when others =>
+ raise Program_Error;
+ end case;
+
+ else
+ PP := Next_Pragma (PP);
+ end if;
+ end loop;
+ end Check_Enabled;
+
---------------------------------
-- Delay_Config_Pragma_Analyze --
---------------------------------
return Result;
end Get_Base_Subprogram;
+ --------------------
+ -- Get_Pragma_Arg --
+ --------------------
+
+ function Get_Pragma_Arg (Arg : Node_Id) return Node_Id is
+ begin
+ if Nkind (Arg) = N_Pragma_Argument_Association then
+ return Expression (Arg);
+ else
+ return Arg;
+ end if;
+ end Get_Pragma_Arg;
+
+ ----------------
+ -- Initialize --
+ ----------------
+
+ procedure Initialize is
+ begin
+ Externals.Init;
+ end Initialize;
+
-----------------------------
-- Is_Config_Static_String --
-----------------------------
return True;
end Add_Config_Static_String;
- -- Start of prorcessing for Is_Config_Static_String
+ -- Start of processing for Is_Config_Static_String
begin
-- This function makes use of the following static table which indicates
-- whether a given pragma is significant. A value of -1 in this table
-- indicates that the reference is significant. A value of zero indicates
- -- than appearence as any argument is insignificant, a positive value
- -- indicates that appearence in that parameter position is significant.
+ -- than appearance as any argument is insignificant, a positive value
+ -- indicates that appearance in that parameter position is significant.
- Sig_Flags : constant array (Pragma_Id) of Int :=
+ -- A value of 99 flags a special case requiring a special check (this is
+ -- used for cases not covered by this standard encoding, e.g. pragma Check
+ -- where the first argument is not significant, but the others are).
+ Sig_Flags : constant array (Pragma_Id) of Int :=
(Pragma_AST_Entry => -1,
Pragma_Abort_Defer => -1,
Pragma_Ada_83 => -1,
Pragma_Annotate => -1,
Pragma_Assert => -1,
Pragma_Assertion_Policy => 0,
+ Pragma_Assume_No_Invalid_Values => 0,
Pragma_Asynchronous => -1,
Pragma_Atomic => 0,
Pragma_Atomic_Components => 0,
Pragma_Attach_Handler => -1,
+ Pragma_Check => 99,
Pragma_Check_Name => 0,
+ Pragma_Check_Policy => 0,
Pragma_CIL_Constructor => -1,
Pragma_CPP_Class => 0,
Pragma_CPP_Constructor => 0,
Pragma_Preelaborable_Initialization => -1,
Pragma_Polling => -1,
Pragma_Persistent_BSS => 0,
+ Pragma_Postcondition => -1,
+ Pragma_Precondition => -1,
Pragma_Preelaborate => -1,
Pragma_Preelaborate_05 => -1,
Pragma_Priority => -1,
Pragma_Pure_Function => -1,
Pragma_Queuing_Policy => -1,
Pragma_Ravenscar => -1,
+ Pragma_Relative_Deadline => -1,
Pragma_Remote_Call_Interface => -1,
Pragma_Remote_Types => -1,
Pragma_Restricted_Run_Time => -1,
Pragma_Task_Info => -1,
Pragma_Task_Name => -1,
Pragma_Task_Storage => 0,
+ Pragma_Thread_Local_Storage => 0,
Pragma_Time_Slice => -1,
Pragma_Title => -1,
Pragma_Unchecked_Union => 0,
Unknown_Pragma => 0);
function Is_Non_Significant_Pragma_Reference (N : Node_Id) return Boolean is
- P : Node_Id;
- C : Int;
- A : Node_Id;
+ Id : Pragma_Id;
+ P : Node_Id;
+ C : Int;
+ A : Node_Id;
begin
P := Parent (N);
return False;
else
- C := Sig_Flags (Get_Pragma_Id (Parent (P)));
+ Id := Get_Pragma_Id (Parent (P));
+ C := Sig_Flags (Id);
case C is
when -1 =>
when 0 =>
return True;
+ when 99 =>
+ case Id is
+
+ -- For pragma Check, the first argument is not significant,
+ -- the second and the third (if present) arguments are
+ -- significant.
+
+ when Pragma_Check =>
+ return
+ P = First (Pragma_Argument_Associations (Parent (P)));
+
+ when others =>
+ raise Program_Error;
+ end case;
+
when others =>
A := First (Pragma_Argument_Associations (Parent (P)));
for J in 1 .. C - 1 loop
Next (A);
end loop;
- return A = P;
+ return A = P; -- is this wrong way round ???
end case;
end if;
end Is_Non_Significant_Pragma_Reference;
Set_Entity (Pref, Scop);
end if;
end Set_Unit_Name;
+
end Sem_Prag;
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