-- Analyze_Package_Instantiation --
-----------------------------------
- -- WARNING: This routine manages Ghost regions. Return statements must be
- -- replaced by gotos which jump to the end of the routine and restore the
- -- Ghost mode.
+ -- WARNING: This routine manages Ghost and SPARK regions. Return statements
+ -- must be replaced by gotos which jump to the end of the routine in order
+ -- to restore the Ghost and SPARK modes.
procedure Analyze_Package_Instantiation (N : Node_Id) is
- Loc : constant Source_Ptr := Sloc (N);
- Gen_Id : constant Node_Id := Name (N);
-
- Act_Decl : Node_Id;
- Act_Decl_Name : Node_Id;
- Act_Decl_Id : Entity_Id;
- Act_Spec : Node_Id;
- Act_Tree : Node_Id;
-
- Gen_Decl : Node_Id;
- Gen_Spec : Node_Id;
- Gen_Unit : Entity_Id;
-
- Is_Actual_Pack : constant Boolean :=
- Is_Internal (Defining_Entity (N));
-
- Env_Installed : Boolean := False;
- Parent_Installed : Boolean := False;
- Renaming_List : List_Id;
- Unit_Renaming : Node_Id;
- Needs_Body : Boolean;
- Inline_Now : Boolean := False;
Has_Inline_Always : Boolean := False;
- Save_ISMP : constant Boolean := Ignore_SPARK_Mode_Pragmas_In_Instance;
- -- Save flag Ignore_SPARK_Mode_Pragmas_In_Instance for restore on exit
-
- Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
- Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
- -- Save the SPARK_Mode-related data for restore on exit
-
- Save_Style_Check : constant Boolean := Style_Check;
- -- Save style check mode for restore on exit
-
procedure Delay_Descriptors (E : Entity_Id);
-- Delay generation of subprogram descriptors for given entity
- function Might_Inline_Subp return Boolean;
+ function Might_Inline_Subp (Gen_Unit : Entity_Id) return Boolean;
-- If inlining is active and the generic contains inlined subprograms,
-- we instantiate the body. This may cause superfluous instantiations,
-- but it is simpler than detecting the need for the body at the point
-- Might_Inline_Subp --
-----------------------
- function Might_Inline_Subp return Boolean is
+ function Might_Inline_Subp (Gen_Unit : Entity_Id) return Boolean is
E : Entity_Id;
begin
-- Local declarations
- Mode : Ghost_Mode_Type;
- Mode_Set : Boolean := False;
+ Gen_Id : constant Node_Id := Name (N);
+ Is_Actual_Pack : constant Boolean :=
+ Is_Internal (Defining_Entity (N));
+ Loc : constant Source_Ptr := Sloc (N);
+
+ Saved_GM : constant Ghost_Mode_Type := Ghost_Mode;
+ Saved_ISMP : constant Boolean :=
+ Ignore_SPARK_Mode_Pragmas_In_Instance;
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the Ghost and SPARK mode-related data to restore on exit
+
+ Saved_Style_Check : constant Boolean := Style_Check;
+ -- Save style check mode for restore on exit
+
+ Act_Decl : Node_Id;
+ Act_Decl_Name : Node_Id;
+ Act_Decl_Id : Entity_Id;
+ Act_Spec : Node_Id;
+ Act_Tree : Node_Id;
+ Env_Installed : Boolean := False;
+ Gen_Decl : Node_Id;
+ Gen_Spec : Node_Id;
+ Gen_Unit : Entity_Id;
+ Inline_Now : Boolean := False;
+ Needs_Body : Boolean;
+ Parent_Installed : Boolean := False;
+ Renaming_List : List_Id;
+ Unit_Renaming : Node_Id;
Vis_Prims_List : Elist_Id := No_Elist;
-- List of primitives made temporarily visible in the instantiation
-- any nodes generated during analysis and expansion are marked as
-- Ghost.
- Mark_And_Set_Ghost_Instantiation (N, Gen_Unit, Mode);
- Mode_Set := True;
+ Mark_And_Set_Ghost_Instantiation (N, Gen_Unit);
-- Verify that it is the name of a generic package
if Expander_Active
and then (not Is_Child_Unit (Gen_Unit)
or else not Is_Generic_Unit (Scope (Gen_Unit)))
- and then Might_Inline_Subp
+ and then Might_Inline_Subp (Gen_Unit)
and then not Is_Actual_Pack
then
if not Back_End_Inlining
(Unit_Requires_Body (Gen_Unit)
or else Enclosing_Body_Present
or else Present (Corresponding_Body (Gen_Decl)))
- and then (Is_In_Main_Unit (N) or else Might_Inline_Subp)
+ and then (Is_In_Main_Unit (N)
+ or else Might_Inline_Subp (Gen_Unit))
and then not Is_Actual_Pack
and then not Inline_Now
and then (Operating_Mode = Generate_Code
Analyze_Aspect_Specifications (N, Act_Decl_Id);
end if;
- Ignore_SPARK_Mode_Pragmas_In_Instance := Save_ISMP;
- SPARK_Mode := Save_SM;
- SPARK_Mode_Pragma := Save_SMP;
- Style_Check := Save_Style_Check;
-
- if Mode_Set then
- Restore_Ghost_Mode (Mode);
- end if;
+ Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
+ Style_Check := Saved_Style_Check;
exception
when Instantiation_Error =>
Restore_Env;
end if;
- Ignore_SPARK_Mode_Pragmas_In_Instance := Save_ISMP;
- SPARK_Mode := Save_SM;
- SPARK_Mode_Pragma := Save_SMP;
- Style_Check := Save_Style_Check;
-
- if Mode_Set then
- Restore_Ghost_Mode (Mode);
- end if;
+ Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
+ Style_Check := Saved_Style_Check;
end Analyze_Package_Instantiation;
--------------------------
-- Inline_Instance_Body --
--------------------------
+ -- WARNING: This routine manages SPARK regions. Return statements must be
+ -- replaced by gotos which jump to the end of the routine and restore the
+ -- SPARK mode.
+
procedure Inline_Instance_Body
(N : Node_Id;
Gen_Unit : Entity_Id;
Gen_Comp : constant Entity_Id :=
Cunit_Entity (Get_Source_Unit (Gen_Unit));
- Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
- Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
- -- Save all SPARK_Mode-related attributes as removing enclosing scopes
- -- to provide a clean environment for analysis of the inlined body will
- -- eliminate any previously set SPARK_Mode.
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the SPARK mode-related data to restore on exit. Removing
+ -- enclosing scopes to provide a clean environment for analysis of
+ -- the inlined body will eliminate any previously set SPARK_Mode.
Scope_Stack_Depth : constant Pos :=
Scope_Stack.Last - Scope_Stack.First + 1;
- Use_Clauses : array (1 .. Scope_Stack_Depth) of Node_Id;
- Instances : array (1 .. Scope_Stack_Depth) of Entity_Id;
Inner_Scopes : array (1 .. Scope_Stack_Depth) of Entity_Id;
- Curr_Scope : Entity_Id := Empty;
- List : Elist_Id;
- Num_Inner : Nat := 0;
- Num_Scopes : Nat := 0;
- N_Instances : Nat := 0;
- Removed : Boolean := False;
- S : Entity_Id;
- Vis : Boolean;
+ Instances : array (1 .. Scope_Stack_Depth) of Entity_Id;
+ Use_Clauses : array (1 .. Scope_Stack_Depth) of Node_Id;
+
+ Curr_Scope : Entity_Id := Empty;
+ List : Elist_Id;
+ N_Instances : Nat := 0;
+ Num_Inner : Nat := 0;
+ Num_Scopes : Nat := 0;
+ Removed : Boolean := False;
+ S : Entity_Id;
+ Vis : Boolean;
begin
-- Case of generic unit defined in another unit. We must remove the
Version => Ada_Version,
Version_Pragma => Ada_Version_Pragma,
Warnings => Save_Warnings,
- SPARK_Mode => Save_SM,
- SPARK_Mode_Pragma => Save_SMP)),
+ SPARK_Mode => Saved_SM,
+ SPARK_Mode_Pragma => Saved_SMP)),
Inlined_Body => True);
Pop_Scope;
(N : Node_Id;
Subp : Entity_Id) return Boolean
is
-
function Is_Inlined_Or_Child_Of_Inlined (E : Entity_Id) return Boolean;
-- Return True if E is an inlined subprogram, an inlined renaming or a
-- subprogram nested in an inlined subprogram. The inlining machinery
-- Analyze_Subprogram_Instantiation --
--------------------------------------
- -- WARNING: This routine manages Ghost regions. Return statements must be
- -- replaced by gotos which jump to the end of the routine and restore the
- -- Ghost mode.
+ -- WARNING: This routine manages Ghost and SPARK regions. Return statements
+ -- must be replaced by gotos which jump to the end of the routine in order
+ -- to restore the Ghost and SPARK modes.
procedure Analyze_Subprogram_Instantiation
(N : Node_Id;
-- Local variables
- Save_ISMP : constant Boolean := Ignore_SPARK_Mode_Pragmas_In_Instance;
- -- Save flag Ignore_SPARK_Mode_Pragmas_In_Instance for restore on exit
-
- Save_SM : constant SPARK_Mode_Type := SPARK_Mode;
- Save_SMP : constant Node_Id := SPARK_Mode_Pragma;
- -- Save the SPARK_Mode-related data for restore on exit
-
- Mode : Ghost_Mode_Type;
- Mode_Set : Boolean := False;
+ Saved_GM : constant Ghost_Mode_Type := Ghost_Mode;
+ Saved_ISMP : constant Boolean :=
+ Ignore_SPARK_Mode_Pragmas_In_Instance;
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the Ghost and SPARK mode-related data to restore on exit
Vis_Prims_List : Elist_Id := No_Elist;
-- List of primitives made temporarily visible in the instantiation
-- that any nodes generated during analysis and expansion are marked as
-- Ghost.
- Mark_And_Set_Ghost_Instantiation (N, Gen_Unit, Mode);
- Mode_Set := True;
+ Mark_And_Set_Ghost_Instantiation (N, Gen_Unit);
Generate_Reference (Gen_Unit, Gen_Id);
Analyze_Aspect_Specifications (N, Act_Decl_Id);
end if;
- Ignore_SPARK_Mode_Pragmas_In_Instance := Save_ISMP;
- SPARK_Mode := Save_SM;
- SPARK_Mode_Pragma := Save_SMP;
-
- if Mode_Set then
- Restore_Ghost_Mode (Mode);
- end if;
+ Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
exception
when Instantiation_Error =>
Restore_Env;
end if;
- Ignore_SPARK_Mode_Pragmas_In_Instance := Save_ISMP;
- SPARK_Mode := Save_SM;
- SPARK_Mode_Pragma := Save_SMP;
-
- if Mode_Set then
- Restore_Ghost_Mode (Mode);
- end if;
+ Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
end Analyze_Subprogram_Instantiation;
-------------------------
-- Instantiate_Package_Body --
------------------------------
- -- WARNING: This routine manages Ghost regions. Return statements must be
- -- replaced by gotos which jump to the end of the routine and restore the
- -- Ghost mode.
+ -- WARNING: This routine manages Ghost and SPARK regions. Return statements
+ -- must be replaced by gotos which jump to the end of the routine in order
+ -- to restore the Ghost and SPARK modes.
procedure Instantiate_Package_Body
(Body_Info : Pending_Body_Info;
Gen_Decl : constant Node_Id := Unit_Declaration_Node (Gen_Unit);
Loc : constant Source_Ptr := Sloc (Inst_Node);
- Save_ISMP : constant Boolean :=
+ Saved_ISMP : constant Boolean :=
Ignore_SPARK_Mode_Pragmas_In_Instance;
- Save_Style_Check : constant Boolean := Style_Check;
+ Saved_Style_Check : constant Boolean := Style_Check;
procedure Check_Initialized_Types;
-- In a generic package body, an entity of a generic private type may
-- Local variables
- Act_Body : Node_Id;
- Act_Body_Id : Entity_Id;
- Act_Body_Name : Node_Id;
- Gen_Body : Node_Id;
- Gen_Body_Id : Node_Id;
- Mode : Ghost_Mode_Type;
- Par_Ent : Entity_Id := Empty;
- Par_Vis : Boolean := False;
-
+ Saved_GM : constant Ghost_Mode_Type := Ghost_Mode;
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the Ghost and SPARK mode-related data to restore on exit
+
+ Act_Body : Node_Id;
+ Act_Body_Id : Entity_Id;
+ Act_Body_Name : Node_Id;
+ Gen_Body : Node_Id;
+ Gen_Body_Id : Node_Id;
+ Par_Ent : Entity_Id := Empty;
+ Par_Vis : Boolean := False;
Parent_Installed : Boolean := False;
Vis_Prims_List : Elist_Id := No_Elist;
-- the mode now to ensure that any nodes generated during instantiation
-- are properly marked as Ghost.
- Set_Ghost_Mode (Act_Decl_Id, Mode);
+ Set_Ghost_Mode (Act_Decl_Id);
Expander_Mode_Save_And_Set (Body_Info.Expander_Status);
Opt.Ada_Version := Body_Info.Version;
Opt.Ada_Version_Pragma := Body_Info.Version_Pragma;
Restore_Warnings (Body_Info.Warnings);
- Opt.SPARK_Mode := Body_Info.SPARK_Mode;
- Opt.SPARK_Mode_Pragma := Body_Info.SPARK_Mode_Pragma;
+
+ -- Install the SPARK mode which applies to the package body
+
+ Install_SPARK_Mode (Body_Info.SPARK_Mode, Body_Info.SPARK_Mode_Pragma);
if No (Gen_Body_Id) then
Expander_Mode_Restore;
<<Leave>>
- Ignore_SPARK_Mode_Pragmas_In_Instance := Save_ISMP;
- Style_Check := Save_Style_Check;
-
- Restore_Ghost_Mode (Mode);
+ Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
+ Style_Check := Saved_Style_Check;
end Instantiate_Package_Body;
---------------------------------
-- Instantiate_Subprogram_Body --
---------------------------------
- -- WARNING: This routine manages Ghost regions. Return statements must be
- -- replaced by gotos which jump to the end of the routine and restore the
- -- Ghost mode.
+ -- WARNING: This routine manages Ghost and SPARK regions. Return statements
+ -- must be replaced by gotos which jump to the end of the routine in order
+ -- to restore the Ghost and SPARK modes.
procedure Instantiate_Subprogram_Body
(Body_Info : Pending_Body_Info;
Pack_Id : constant Entity_Id :=
Defining_Unit_Name (Parent (Act_Decl));
- Saved_ISMP : constant Boolean :=
- Ignore_SPARK_Mode_Pragmas_In_Instance;
- Saved_Style_Check : constant Boolean := Style_Check;
+ Saved_GM : constant Ghost_Mode_Type := Ghost_Mode;
+ Saved_ISMP : constant Boolean :=
+ Ignore_SPARK_Mode_Pragmas_In_Instance;
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the Ghost and SPARK mode-related data to restore on exit
+
+ Saved_Style_Check : constant Boolean := Style_Check;
Saved_Warnings : constant Warning_Record := Save_Warnings;
Act_Body : Node_Id;
Act_Body_Id : Entity_Id;
Gen_Body : Node_Id;
Gen_Body_Id : Node_Id;
- Mode : Ghost_Mode_Type;
Pack_Body : Node_Id;
Par_Ent : Entity_Id := Empty;
Par_Vis : Boolean := False;
-- the mode now to ensure that any nodes generated during instantiation
-- are properly marked as Ghost.
- Set_Ghost_Mode (Act_Decl_Id, Mode);
+ Set_Ghost_Mode (Act_Decl_Id);
Expander_Mode_Save_And_Set (Body_Info.Expander_Status);
Opt.Ada_Version := Body_Info.Version;
Opt.Ada_Version_Pragma := Body_Info.Version_Pragma;
Restore_Warnings (Body_Info.Warnings);
- Opt.SPARK_Mode := Body_Info.SPARK_Mode;
- Opt.SPARK_Mode_Pragma := Body_Info.SPARK_Mode_Pragma;
+
+ -- Install the SPARK mode which applies to the subprogram body
+
+ Install_SPARK_Mode (Body_Info.SPARK_Mode, Body_Info.SPARK_Mode_Pragma);
if No (Gen_Body_Id) then
<<Leave>>
Ignore_SPARK_Mode_Pragmas_In_Instance := Saved_ISMP;
+ Restore_Ghost_Mode (Saved_GM);
+ Restore_SPARK_Mode (Saved_SM, Saved_SMP);
Style_Check := Saved_Style_Check;
-
- Restore_Ghost_Mode (Mode);
end Instantiate_Subprogram_Body;
----------------------
-- Set_Instance_Env --
----------------------
+ -- WARNING: This routine manages SPARK regions
+
procedure Set_Instance_Env
(Gen_Unit : Entity_Id;
Act_Unit : Entity_Id)
is
- Assertion_Status : constant Boolean := Assertions_Enabled;
- Save_SPARK_Mode : constant SPARK_Mode_Type := SPARK_Mode;
- Save_SPARK_Mode_Pragma : constant Node_Id := SPARK_Mode_Pragma;
+ Saved_AE : constant Boolean := Assertions_Enabled;
+ Saved_SM : constant SPARK_Mode_Type := SPARK_Mode;
+ Saved_SMP : constant Node_Id := SPARK_Mode_Pragma;
+ -- Save the SPARK mode-related data because utilizing the configuration
+ -- values of pragmas and switches will eliminate any previously set
+ -- SPARK_Mode.
begin
-- Regardless of the current mode, predefined units are analyzed in the
-- as is already the case for some numeric libraries.
if Ada_Version >= Ada_2012 then
- Assertions_Enabled := Assertion_Status;
+ Assertions_Enabled := Saved_AE;
end if;
- -- SPARK_Mode for an instance is the one applicable at the point of
+ -- Reinstall the SPARK_Mode which was in effect at the point of
-- instantiation.
- SPARK_Mode := Save_SPARK_Mode;
- SPARK_Mode_Pragma := Save_SPARK_Mode_Pragma;
+ Install_SPARK_Mode (Saved_SM, Saved_SMP);
end if;
Current_Instantiated_Parent :=
projects / thirdparty / gcc.git / blobdiff