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checkpoints.adb
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------------------------------------------------------------------------------
-- --
-- GNATcoverage --
-- --
-- Copyright (C) 2009-2024, AdaCore --
-- --
-- GNATcoverage is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This software is distributed in the hope that it will be useful --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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 this software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
------------------------------------------------------------------------------
with Ada.Streams.Stream_IO; use Ada.Streams.Stream_IO;
with Ada.Unchecked_Deallocation;
pragma Warnings (Off, "* is an internal GNAT unit");
with Ada.Strings.Unbounded.Aux; use Ada.Strings.Unbounded.Aux;
pragma Warnings (On, "* is an internal GNAT unit");
with Interfaces; use Interfaces;
with Coverage.Source;
with Coverage_Options; use Coverage_Options;
with Instrument.Checkpoints;
with Outputs; use Outputs;
with Traces_Files; use Traces_Files;
with Traces_Files_Registry;
package body Checkpoints is
Checkpoint_Magic : constant String := "GNATcov checkpoint" & ASCII.NUL;
procedure Free is new Ada.Unchecked_Deallocation
(SFI_Map_Array, SFI_Map_Acc);
procedure Free is new Ada.Unchecked_Deallocation
(CU_Id_Map_Array, CU_Id_Map_Acc);
procedure Free is new Ada.Unchecked_Deallocation
(Inst_Id_Map_Array, Inst_Id_Map_Acc);
procedure Free is new Ada.Unchecked_Deallocation
(BDD_Node_Id_Map_Array, BDD_Node_Id_Map_Acc);
procedure Free is new Ada.Unchecked_Deallocation
(SCO_Id_Map_Array, SCO_Id_Map_Acc);
procedure Free is new Ada.Unchecked_Deallocation
(SFI_Ignored_Map_Array, SFI_Ignored_Map_Access);
procedure Free is new Ada.Unchecked_Deallocation
(CU_Id_Ignored_Map_Array, CU_Id_Ignored_Access);
procedure Free is new Ada.Unchecked_Deallocation
(SCO_Ignored_Map_Array, SCO_Ignored_Map_Access);
type Binary_Traces_Bits is (Undetermined, Bits_32, Bits_64);
-- Describe the nature of binary traces that contributed to create a
-- checkpoint.
--
-- Undetermined
--
-- No binary trace was used (as far as gnatcov knows).
--
-- Bits_32
--
-- Only 32-bit traces were used.
--
-- Bits_64
--
-- Only 64-bit traces were used.
--
-- Remember that it is invalid to mix 32-bit and 64-bit traces.
subtype Determined_Binary_Traces_Bits is
Binary_Traces_Bits range Bits_32 .. Bits_64;
Supported_Bits : constant Determined_Binary_Traces_Bits :=
(if Pc_Type_Size = 4 then Bits_32 else Bits_64);
-- Kind of binary traces that this instance of gnatcov can read
function Image (Bits : Determined_Binary_Traces_Bits) return String
is (case Bits is
when Bits_32 => "32-bit traces",
when Bits_64 => "64-bit traces");
-- Helper to format error messages about binary traces bits. Return the
-- name of the kind of traces described by Bits.
-----------------------
-- Allocate_SFI_Maps --
-----------------------
procedure Allocate_SFI_Maps
(Relocs : in out Checkpoint_Relocations;
First, Last : Source_File_Index)
is
begin
pragma Assert
(Relocs.SFI_Map = null and then Relocs.Ignored_SFIs = null);
Relocs.SFI_Map :=
new SFI_Map_Array'(First .. Last => No_Source_File);
Relocs.Ignored_SFIs :=
new SFI_Ignored_Map_Array'(First .. Last => False);
Relocs.SFI_Simple_Filenames :=
new SFI_Simple_Name_Map_Array'(First .. Last => <>);
end Allocate_SFI_Maps;
-------------------------
-- Allocate_CU_Id_Maps --
-------------------------
procedure Allocate_CU_Id_Maps
(Relocs : in out Checkpoint_Relocations;
First, Last : CU_Id)
is
begin
pragma Assert (Relocs.CU_Map = null and then Relocs.Ignored_CUs = null);
Relocs.CU_Map :=
new CU_Id_Map_Array'(First .. Last => No_CU_Id);
Relocs.Ignored_CUs :=
new CU_Id_Ignored_Map_Array'(First .. Last => False);
end Allocate_CU_Id_Maps;
---------------------------
-- Allocate_Inst_Id_Maps --
---------------------------
procedure Allocate_Inst_Id_Map
(Relocs : in out Checkpoint_Relocations;
First, Last : Inst_Id)
is
begin
pragma Assert (Relocs.Inst_Map = null);
Relocs.Inst_Map :=
new Inst_Id_Map_Array'(First .. Last => No_Inst_Id);
end Allocate_Inst_Id_Map;
-------------------------------
-- Allocate_BDD_Node_Id_Maps --
-------------------------------
procedure Allocate_BDD_Node_Id_Map
(Relocs : in out Checkpoint_Relocations;
First, Last : BDD_Node_Id)
is
begin
pragma Assert (Relocs.BDD_Map = null);
Relocs.BDD_Map :=
new BDD_Node_Id_Map_Array'(First .. Last => No_BDD_Node_Id);
end Allocate_BDD_Node_Id_Map;
--------------------------
-- Allocate_SCO_Id_Maps --
--------------------------
procedure Allocate_SCO_Id_Map
(Relocs : in out Checkpoint_Relocations;
First, Last : SCO_Id)
is
begin
pragma Assert
(Relocs.SCO_Map = null and then Relocs.Ignored_SCOs = null);
Relocs.SCO_Map :=
new SCO_Id_Map_Array'(First .. Last => No_SCO_Id);
Relocs.Ignored_SCOs :=
new SCO_Ignored_Map_Array'(First .. Last => False);
end Allocate_SCO_Id_Map;
---------------------
-- Get_Simple_Name --
---------------------
function Get_Simple_Name
(Relocs : Checkpoint_Relocations;
CP_SFI : Valid_Source_File_Index) return Unbounded_String
is
begin
return Relocs.SFI_Simple_Filenames.all (CP_SFI);
end Get_Simple_Name;
----------------
-- Ignore_SFI --
----------------
procedure Ignore_SFI
(Relocs : in out Checkpoint_Relocations;
CP_SFI : Source_File_Index)
is
begin
pragma Assert (Relocs.SFI_Map (CP_SFI) = No_Source_File);
Relocs.Ignored_SFIs (CP_SFI) := True;
end Ignore_SFI;
------------------
-- Ignore_CU_Id --
------------------
procedure Ignore_CU_Id
(Relocs : in out Checkpoint_Relocations;
CP_CU_Id : CU_Id)
is
begin
pragma Assert (Relocs.CU_Map (CP_CU_Id) = No_CU_Id);
Relocs.Ignored_CUs (CP_CU_Id) := True;
end Ignore_CU_Id;
----------------
-- Ignore_SCO --
----------------
procedure Ignore_SCO
(Relocs : in out Checkpoint_Relocations;
CP_SCO_Id : SCO_Id)
is
begin
pragma Assert (Relocs.SCO_Map (CP_SCO_Id) = No_SCO_Id);
Relocs.Ignored_SCOs (CP_SCO_Id) := True;
end Ignore_SCO;
-----------------
-- SFI_Ignored --
-----------------
function SFI_Ignored
(Relocs : Checkpoint_Relocations;
CP_SFI : Source_File_Index) return Boolean
is
begin
return CP_SFI /= No_Source_File and then Relocs.Ignored_SFIs (CP_SFI);
end SFI_Ignored;
-------------------
-- CU_Id_Ignored --
-------------------
function CU_Id_Ignored
(Relocs : Checkpoint_Relocations;
CP_CU_Id : CU_Id) return Boolean
is
begin
return CP_CU_Id /= No_CU_Id and then Relocs.Ignored_CUs (CP_CU_Id);
end CU_Id_Ignored;
-----------------
-- SCO_Ignored --
-----------------
function SCO_Ignored
(Relocs : Checkpoint_Relocations;
CP_SCO_Id : SCO_Id) return Boolean
is
begin
return CP_SCO_Id /= No_SCO_Id and then Relocs.Ignored_SCOs (CP_SCO_Id);
end SCO_Ignored;
-----------------
-- Set_SFI_Map --
-----------------
procedure Set_SFI_Map
(Relocs : in out Checkpoint_Relocations;
Source_SFI, Target_SFI : Valid_Source_File_Index)
is
begin
Relocs.SFI_Map (Source_SFI) := Target_SFI;
end Set_SFI_Map;
-------------------------
-- Set_SFI_Simple_Name --
-------------------------
procedure Set_SFI_Simple_Name
(Relocs : in out Checkpoint_Relocations;
SFI : Valid_Source_File_Index;
Simple_Name : Unbounded_String)
is
begin
Relocs.SFI_Simple_Filenames.all (SFI) := Simple_Name;
end Set_SFI_Simple_Name;
-------------------
-- Set_CU_Id_Map --
-------------------
procedure Set_CU_Id_Map
(Relocs : in out Checkpoint_Relocations;
Source_CU_Id, Target_CU_Id : Valid_CU_Id)
is
begin
Relocs.CU_Map (Source_CU_Id) := Target_CU_Id;
end Set_CU_Id_Map;
---------------------
-- Set_Inst_Id_Map --
---------------------
procedure Set_Inst_Id_Map
(Relocs : in out Checkpoint_Relocations;
Source_Inst_Id, Target_Inst_Id : Valid_Inst_Id)
is
begin
Relocs.Inst_Map (Source_Inst_Id) := Target_Inst_Id;
end Set_Inst_Id_Map;
-------------------------
-- Set_BDD_Node_Id_Map --
-------------------------
procedure Set_BDD_Node_Id_Map
(Relocs : in out Checkpoint_Relocations;
Source_BDD_Node_Id, Target_BDD_Node_Id : Valid_BDD_Node_Id)
is
begin
Relocs.BDD_Map (Source_BDD_Node_Id) := Target_BDD_Node_Id;
end Set_BDD_Node_Id_Map;
--------------------
-- Set_SCO_Id_Map --
--------------------
procedure Set_SCO_Id_Map
(Relocs : in out Checkpoint_Relocations;
Source_SCO_Id, Target_SCO_Id : Valid_SCO_Id)
is
begin
Relocs.SCO_Map (Source_SCO_Id) := Target_SCO_Id;
end Set_SCO_Id_Map;
---------------
-- Remap_SFI --
---------------
procedure Remap_SFI
(Relocs : Checkpoint_Relocations;
CP_SFI : in out Source_File_Index)
is
begin
if CP_SFI /= No_Source_File then
CP_SFI := Relocs.SFI_Map (CP_SFI);
pragma Assert (CP_SFI /= No_Source_File);
end if;
end Remap_SFI;
---------------
-- Remap_SFI --
---------------
function Remap_SFI
(Relocs : Checkpoint_Relocations;
CP_SFI : Source_File_Index) return Source_File_Index
is
begin
if CP_SFI /= No_Source_File then
pragma Assert (Relocs.SFI_Map (CP_SFI) /= No_Source_File);
return Relocs.SFI_Map (CP_SFI);
end if;
return CP_SFI;
end Remap_SFI;
-----------------
-- Remap_CU_Id --
-----------------
function Remap_CU_Id
(Relocs : Checkpoint_Relocations;
CP_CU_Id : CU_Id) return CU_Id
is
begin
if CP_CU_Id /= No_CU_Id then
pragma Assert (Relocs.CU_Map (CP_CU_Id) /= No_CU_Id);
return Relocs.CU_Map (CP_CU_Id);
end if;
return CP_CU_Id;
end Remap_CU_Id;
-------------------
-- Remap_Inst_Id --
-------------------
function Remap_Inst_Id
(Relocs : Checkpoint_Relocations;
CP_Inst_Id : Inst_Id) return Inst_Id
is
begin
if CP_Inst_Id /= No_Inst_Id then
pragma Assert (Relocs.Inst_Map (CP_Inst_Id) /= No_Inst_Id);
return Relocs.Inst_Map (CP_Inst_Id);
end if;
return CP_Inst_Id;
end Remap_Inst_Id;
-----------------------
-- Remap_BDD_Node_Id --
-----------------------
function Remap_BDD_Node_Id
(Relocs : Checkpoint_Relocations;
CP_BDD_Node_Id : BDD_Node_Id) return BDD_Node_Id
is
begin
if CP_BDD_Node_Id /= No_BDD_Node_Id then
pragma Assert (Relocs.BDD_Map (CP_BDD_Node_Id) /= No_BDD_Node_Id);
return Relocs.BDD_Map (CP_BDD_Node_Id);
end if;
return CP_BDD_Node_Id;
end Remap_BDD_Node_Id;
------------------
-- Remap_SCO_Id --
------------------
function Remap_SCO_Id
(Relocs : Checkpoint_Relocations;
CP_SCO_Id : SCO_Id) return SCO_Id
is
begin
if CP_SCO_Id /= No_SCO_Id then
pragma Assert (Relocs.SCO_Map (CP_SCO_Id) /= No_SCO_Id);
return Relocs.SCO_Map (CP_SCO_Id);
end if;
return CP_SCO_Id;
end Remap_SCO_Id;
---------------------------
-- Remap_ALI_Annotations --
---------------------------
procedure Remap_ALI_Annotations
(Relocs : Checkpoint_Relocations;
CP_ALI_Annotations : in out ALI_Annotation_Maps.Map)
is
use ALI_Annotation_Maps;
Result : Map;
begin
for Cur in CP_ALI_Annotations.Iterate loop
declare
Sloc : Source_Location := Key (Cur);
begin
Remap_SFI (Relocs, Sloc.Source_File);
if Sloc.Source_File /= No_Source_File then
Result.Include (Sloc, Element (Cur));
end if;
end;
end loop;
CP_ALI_Annotations := Result;
end Remap_ALI_Annotations;
procedure Checkpoint_Load
(Filename : String;
Purpose : Checkpoint_Purpose;
Ignored_Source_Files : access GNAT.Regexp.Regexp) with
Pre => Purpose = Instrumentation or else Ignored_Source_Files = null;
-- Common implementation for SID_Load and Checkpoint_Load
---------------------
-- Checkpoint_Save --
---------------------
procedure Checkpoint_Save
(Filename : String;
Context : access Coverage.Context;
Purpose : Checkpoint_Purpose)
is
SF : Ada.Streams.Stream_IO.File_Type;
begin
Create (SF, Out_File, Filename);
declare
use Coverage;
CSS : aliased Checkpoint_Save_State :=
(Root_Stream_Type with
Stream => Stream (SF),
Filename => +Filename,
Purpose => Purpose);
Supported_Levels : Levels_Type := Current_Levels;
begin
-- Write the checkpoint header: magic, version and purpose
CSS.Write (Checkpoint_Magic);
CSS.Write_U32 (Checkpoint_Version'Last);
CSS.Write_U8 (Checkpoint_Purpose'Pos (Purpose));
-- Describe the binary traces (if any) that contributed to the
-- creation of this checkpoint.
declare
Bits : constant Binary_Traces_Bits :=
(case Currently_Accepted_Trace_Kind is
when Unknown | Source_Trace_File => Undetermined,
when Binary_Trace_File | All_Trace_Files => Supported_Bits);
begin
CSS.Write_U8 (Binary_Traces_Bits'Pos (Bits));
end;
-- Instrumentation is the same for all MC/DC variants, so a
-- checkpoint generated for any of them supports all of them.
-- Instrumentation for MC/DC also provides everything needed
-- for decision coverage analysis.
if Purpose = Instrumentation and then MCDC_Coverage_Enabled then
Supported_Levels (MCDC_Coverage_Level'Range) := (others => True);
Supported_Levels (Decision) := True;
end if;
for Level in Insn .. GExpr loop
CSS.Write (Supported_Levels (Level));
end loop;
CSS.Write_U8
(Traces_Files.Any_Accepted_Trace_Kind'Pos
(Traces_Files.Currently_Accepted_Trace_Kind));
Files_Table.Checkpoint_Save (CSS'Access);
SC_Obligations.Checkpoint_Save (CSS'Access);
Instrument.Checkpoints.Checkpoint_Save (CSS'Access);
Coverage.Source.Checkpoint_Save (CSS'Access);
Traces_Files_Registry.Checkpoint_Save (CSS'Access, Context);
end;
Close (SF);
end Checkpoint_Save;
----------------------
-- Checkpoint_Clear --
----------------------
procedure Checkpoint_Clear is
begin
Files_Table.Checkpoint_Clear;
SC_Obligations.Checkpoint_Clear;
Instrument.Checkpoints.Checkpoint_Clear;
Coverage.Source.Checkpoint_Clear;
Traces_Files_Registry.Checkpoint_Clear;
end Checkpoint_Clear;
--------------
-- SID_Load --
--------------
procedure SID_Load
(Filename : String;
Ignored_Source_Files : access GNAT.Regexp.Regexp)
is
SID_Re : constant GNAT.Regexp.Regexp := GNAT.Regexp.Compile (".*\.sid");
begin
if not GNAT.Regexp.Match (Filename, SID_Re) then
Fatal_Error ("invalid "
& Purpose_Name (Instrumentation)
& " file "
& Filename
& ", name of file should have .sid extension");
end if;
Checkpoint_Load (Filename, Instrumentation, Ignored_Source_Files);
end SID_Load;
---------------------
-- Checkpoint_Load --
---------------------
procedure Checkpoint_Load (Filename : String) is
begin
Checkpoint_Load (Filename, Consolidation, null);
end Checkpoint_Load;
---------------------
-- Checkpoint_Load --
---------------------
procedure Checkpoint_Load
(Filename : String;
Purpose : Checkpoint_Purpose;
Ignored_Source_Files : access GNAT.Regexp.Regexp)
is
Dummy : constant Context_Handle :=
Create_Context ("Loading " & Filename);
SF : Ada.Streams.Stream_IO.File_Type;
begin
Open (SF, In_File, Filename);
-- If requested, create an artificial internal error when loading
-- checkpoints.
Raise_Stub_Internal_Error_For (Load_Checkpoint);
declare
CLS : Checkpoint_Load_State :=
(Root_Stream_Type with
Stream => Stream (SF),
Filename => +Filename,
Purpose => Purpose,
others => <>);
Magic : String (Checkpoint_Magic'Range);
begin
CLS.Read (Magic);
if Magic /= Checkpoint_Magic then
Fatal_Error ("invalid checkpoint file " & Filename);
end if;
CLS.Version := CLS.Read_U32;
if CLS.Version /= Checkpoint_Version'Last then
Fatal_Error ("invalid checkpoint version" & CLS.Version'Img);
end if;
-- Check that we are loading the kind of checkpoint we are
-- expecting (Purpose).
declare
CP_Purpose : constant Checkpoint_Purpose :=
Checkpoint_Purpose'Val (CLS.Read_U8);
begin
if CP_Purpose /= Purpose then
Fatal_Error
(Filename & " is a " & Purpose_Name (CP_Purpose)
& " while a " & Purpose_Name (Purpose)
& " was expected");
end if;
end;
-- Check the kind of binary traces that were used to create this
-- checkpoint.
declare
Bits : constant Binary_Traces_Bits :=
Binary_Traces_Bits'Val (CLS.Read_U8);
begin
if Bits not in Undetermined | Supported_Bits then
Fatal_Error
(Filename & " was created with " & Image (Bits)
& " whereas the selected target requires "
& Image (Supported_Bits));
end if;
end;
-- Check that the checkpoint to load covers all the coverage levels
-- that are selected for this run.
--
-- See the note on checkpoint version compatibility for the tedious
-- reading code.
declare
CP_Levels : U8_Array (1 .. 10);
Levels : Levels_Type;
begin
CLS.Read (CP_Levels);
Levels :=
(Insn => Boolean'Val (CP_Levels (1)),
Branch => Boolean'Val (CP_Levels (2)),
Stmt => Boolean'Val (CP_Levels (3)),
Decision => Boolean'Val (CP_Levels (4)),
MCDC => Boolean'Val (CP_Levels (5)),
UC_MCDC => Boolean'Val (CP_Levels (6)),
ATC => Boolean'Val (CP_Levels (7)),
ATCC => Boolean'Val (CP_Levels (8)),
Fun_Call => Boolean'Val (CP_Levels (9)),
GExpr => Boolean'Val (CP_Levels (10)));
declare
Error_Msg : constant String :=
Coverage.Is_Load_Allowed (Filename, Levels);
begin
if Error_Msg'Length > 0 then
Fatal_Error (Error_Msg);
end if;
end;
end;
Update_Current_Trace_Kind
(Any_Accepted_Trace_Kind'Val (CLS.Read_U8));
Files_Table.Checkpoint_Load (CLS, Ignored_Source_Files);
SC_Obligations.Checkpoint_Load (CLS);
Instrument.Checkpoints.Checkpoint_Load (CLS);
Coverage.Source.Checkpoint_Load (CLS);
Traces_Files_Registry.Checkpoint_Load (CLS);
Free (CLS.Relocations);
end;
Close (SF);
end Checkpoint_Load;
----------
-- Read --
----------
procedure Read
(Stream : in out Stateful_Stream;
Item : out Stream_Element_Array;
Last : out Stream_Element_Offset)
is
begin
Stream.Stream.Read (Item, Last);
end Read;
----------
-- Free --
----------
procedure Free (Relocs : in out Checkpoint_Relocations) is
begin
Free (Relocs.SFI_Map);
Free (Relocs.CU_Map);
Free (Relocs.Inst_Map);
Free (Relocs.BDD_Map);
Free (Relocs.SCO_Map);
Free (Relocs.Ignored_SFIs);
Free (Relocs.Ignored_CUs);
Free (Relocs.Ignored_SCOs);
end Free;
-----------
-- Write --
-----------
procedure Write
(Stream : in out Stateful_Stream;
Item : Stream_Element_Array)
is
begin
Stream.Stream.Write (Item);
end Write;
-- Note for the Read* procedures below: using stream attributes for
-- well-defined elementary data types (String, Unsigned_*) can be
-- considered stable enough that it will preserve backwards and platform
-- compatibility, except maybe for endianity. For now, gnatcov is supported
-- on little-endian platforms only, so we should be fine.
-------------------
-- Read_BDD_Node --
-------------------
function Read_BDD_Node
(Self : in out Checkpoint_Load_State) return BDD_Node_Id is
begin
return BDD_Node_Id (Self.Read_I32);
end Read_BDD_Node;
-----------------
-- Read_Bit_Id --
-----------------
function Read_Bit_Id
(Self : in out Checkpoint_Load_State) return Any_Bit_Id
is
begin
return Any_Bit_Id (Self.Read_I32);
end Read_Bit_Id;
------------------
-- Read_Boolean --
------------------
function Read_Boolean (Self : in out Checkpoint_Load_State) return Boolean
is
begin
return Boolean'Val (Self.Read_U8);
end Read_Boolean;
-------------
-- Read_CU --
-------------
function Read_CU (Self : in out Checkpoint_Load_State) return CU_Id is
begin
return CU_Id (Self.Read_I32);
end Read_CU;
---------------------------
-- Read_Compilation_Unit --
---------------------------
function Read_Compilation_Unit
(Self : in out Checkpoint_Load_State) return Compilation_Unit
is
Language : constant Supported_Language_Kind := Self.Read_Language_Kind;
begin
return (Language => Language, Unit_Name => Self.Read_Unbounded_String);
end Read_Compilation_Unit;
--------------------
-- Read_Condition --
--------------------
function Read_Condition
(Self : in out Checkpoint_Load_State) return Any_Condition_Index is
begin
return Any_Condition_Index (Self.Read_I32);
end Read_Condition;
----------------------
-- Read_Fingerprint --
----------------------
function Read_Fingerprint
(Self : in out Checkpoint_Load_State)
return SC_Obligations.Fingerprint_Type
is
Buffer : String (1 .. SC_Obligations.Fingerprint_Type'Length);
I : Positive := 1;
begin
Self.Read (Buffer);
return Result : SC_Obligations.Fingerprint_Type do
for Digit of Result loop
Digit := Character'Pos (Buffer (I));
I := I + 1;
end loop;
end return;
end Read_Fingerprint;
--------------
-- Read_I32 --
--------------
function Read_I32
(Self : in out Checkpoint_Load_State) return Interfaces.Integer_32 is
begin
return Interfaces.Integer_32'Input (Self.Stream);
end Read_I32;
------------------
-- Read_Integer --
------------------
function Read_Integer (Self : in out Checkpoint_Load_State) return Integer
is
begin
return Integer (Self.Read_I32);
end Read_Integer;
---------------
-- Read_Inst --
---------------
function Read_Inst (Self : in out Checkpoint_Load_State) return Inst_Id is
begin
return Inst_Id (Self.Read_I32);
end Read_Inst;
------------------------
-- Read_Language_Kind --
------------------------
function Read_Language_Kind
(Self : in out Checkpoint_Load_State) return Supported_Language_Kind is
begin
return Supported_Language_Kind'Val (Self.Read_U32);
end Read_Language_Kind;
---------------------
-- Read_Line_State --
---------------------
function Read_Line_State
(Self : in out Checkpoint_Load_State) return Any_Line_State is
begin
return Any_Line_State'Val (Self.Read_U8);
end Read_Line_State;
--------------------------------
-- Read_Local_Source_Location --
--------------------------------
function Read_Local_Source_Location
(Self : in out Checkpoint_Load_State) return Local_Source_Location
is
Line : constant Natural := Self.Read_Integer;
Column : constant Integer := Self.Read_Integer;
begin
return (Line, Column);
end Read_Local_Source_Location;
--------------------------------------
-- Read_Local_Source_Location_Range --
--------------------------------------
function Read_Local_Source_Location_Range
(Self : in out Checkpoint_Load_State) return Local_Source_Location_Range
is
First : constant Local_Source_Location :=
Self.Read_Local_Source_Location;
Last : constant Local_Source_Location :=
Self.Read_Local_Source_Location;
begin
return (First, Last);
end Read_Local_Source_Location_Range;
-------------
-- Read_PC --
-------------
function Read_PC (Self : in out Checkpoint_Load_State) return Pc_Type is
begin
case Pc_Type'Size is
when 32 =>
return Pc_Type (Self.Read_U32);
when 64 =>
return Pc_Type (Self.Read_U64);
when others =>
raise Program_Error;
end case;
end Read_PC;
--------------
-- Read_SCO --
--------------
function Read_SCO (Self : in out Checkpoint_Load_State) return SCO_Id is
begin
return SCO_Id (Self.Read_I32);
end Read_SCO;
--------------
-- Read_SFI --
--------------
function Read_SFI
(Self : in out Checkpoint_Load_State) return Source_File_Index is
begin
return Source_File_Index (Self.Read_I32);
end Read_SFI;
--------------------------
-- Read_Source_Location --
--------------------------
function Read_Source_Location
(Self : in out Checkpoint_Load_State) return Source_Location
is
begin
return Result : Source_Location do
Self.Read (Result);
end return;
end Read_Source_Location;
--------------------------------
-- Read_Source_Location_Range --
--------------------------------
function Read_Source_Location_Range
(Self : in out Checkpoint_Load_State) return Source_Location_Range is
begin
return Result : Source_Location_Range do
Result.Source_File := Self.Read_SFI;
Result.L := Self.Read_Local_Source_Location_Range;
end return;
end Read_Source_Location_Range;
-----------------
-- Read_String --
-----------------
function Read_String (Self : in out Checkpoint_Load_State) return String is
First : constant Positive := Self.Read_Integer;
Last : constant Natural := Self.Read_Integer;
begin
return Result : String (First .. Last) do
Self.Read (Result);
end return;
end Read_String;
-------------------
-- Read_Tristate --
-------------------
function Read_Tristate
(Self : in out Checkpoint_Load_State) return Tristate is
begin
return Tristate'Val (Self.Read_U8);
end Read_Tristate;
-------------
-- Read_U8 --
-------------
function Read_U8
(Self : in out Checkpoint_Load_State) return Interfaces.Unsigned_8 is
begin
return Interfaces.Unsigned_8'Input (Self.Stream);
end Read_U8;
--------------
-- Read_U16 --
--------------
function Read_U16
(Self : in out Checkpoint_Load_State) return Interfaces.Unsigned_16 is
begin
return Interfaces.Unsigned_16'Input (Self.Stream);
end Read_U16;
--------------
-- Read_U32 --
--------------
function Read_U32
(Self : in out Checkpoint_Load_State) return Interfaces.Unsigned_32 is
begin