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|
-------------------------------------------------------------------------------
-- (C) Altran Praxis Limited
-------------------------------------------------------------------------------
--
-- The SPARK toolset 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. The SPARK toolset is distributed in the hope that it will be
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
-- Public License for more details. You should have received a copy of the GNU
-- General Public License distributed with the SPARK toolset; see file
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy of
-- the license.
--
--=============================================================================
with CommandLineData;
with CommandLineHandler;
with E_Strings;
with FileSystem;
with ScreenEcho;
with SystemErrors;
with XMLReport;
separate (Dictionary)
package body TargetData is
-- Types-------------------------------------------------------------------------------
type Val_Status is (OK_Val, Missing_Val, Illegal_Val);
type Val_Sort is (Integer_Val, Real_Val);
-- Local Subprograms-------------------------------------------------------------------
procedure Open_File (Data_File : out SPARK_IO.File_Type;
File_OK : out Boolean)
--# global in CommandLineData.Content;
--# in out SPARK_IO.File_Sys;
--# derives Data_File,
--# File_OK,
--# SPARK_IO.File_Sys from CommandLineData.Content,
--# SPARK_IO.File_Sys;
is
File_Name : E_Strings.T;
File_Spec_Status : FileSystem.Typ_File_Spec_Status;
File_Status : SPARK_IO.File_Status;
Local_File : SPARK_IO.File_Type;
begin
Local_File := SPARK_IO.Null_File;
--# accept Flow, 10, File_Spec_Status, "Expected ineffective assignment";
FileSystem.Find_Full_File_Name -- 782 expect flow error File_Spec_Status not used.
(File_Spec => CommandLineData.Content.Target_Data_File,
File_Status => File_Spec_Status,
Full_File_Name => File_Name);
--# end accept;
E_Strings.Open
(File => Local_File,
Mode_Of_File => SPARK_IO.In_File,
Name_Of_File => File_Name,
Form_Of_File => "",
Status => File_Status);
if File_Status = SPARK_IO.Ok then
File_OK := True;
else
File_OK := False;
ScreenEcho.Put_String ("Cannot open file ");
if CommandLineData.Content.Plain_Output then
ScreenEcho.Put_ExaminerLine (FileSystem.Just_File (Fn => File_Name,
Ext => True));
else
ScreenEcho.Put_ExaminerLine (File_Name);
end if;
end if;
Data_File := Local_File;
--# accept Flow, 33, File_Spec_Status, "Expected to be neither referenced nor exported";
end Open_File;
------------------------------------------------
procedure Close_File (Data_File : in out SPARK_IO.File_Type)
--# global in out SPARK_IO.File_Sys;
--# derives Data_File,
--# SPARK_IO.File_Sys from *,
--# Data_File;
is
File_Status : SPARK_IO.File_Status;
begin
--# accept Flow, 10, File_Status, "Expected ineffective assignment";
SPARK_IO.Close (Data_File, File_Status);
--# accept Flow, 33, File_Status, "Expected to be neither referenced nor exported";
end Close_File;
------------------------------------------------
procedure Get_String (File : in SPARK_IO.File_Type;
Str : out E_Strings.T)
--# global in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys,
--# Str from File,
--# SPARK_IO.File_Sys;
is
Char_OK : Boolean;
Ch : Character;
procedure Get_Char (File : in SPARK_IO.File_Type;
Ch : out Character;
OK : out Boolean)
--# global in out SPARK_IO.File_Sys;
--# derives Ch,
--# OK,
--# SPARK_IO.File_Sys from File,
--# SPARK_IO.File_Sys;
is
begin
if SPARK_IO.End_Of_File (File) then
OK := False;
Ch := ' ';
elsif SPARK_IO.End_Of_Line (File) then
SPARK_IO.Skip_Line (File, 1);
OK := True;
Ch := ' ';
else
SPARK_IO.Get_Char (File, Ch);
OK := True;
end if;
end Get_Char;
begin --Get_String
Str := E_Strings.Empty_String;
--skip leading white space
loop
Get_Char (File => File,
Ch => Ch,
OK => Char_OK);
exit when Ch /= ' ';
exit when not Char_OK;
end loop;
if Char_OK then
loop
E_Strings.Append_Char (E_Str => Str,
Ch => Ch);
Get_Char (File => File,
Ch => Ch,
OK => Char_OK);
exit when Ch = ' ';
exit when not Char_OK;
end loop;
end if;
end Get_String;
-------------------------------
procedure Skip_Equals (Data_File : SPARK_IO.File_Type)
--# global in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# Data_File;
is
Unused_String : E_Strings.T;
pragma Unreferenced (Unused_String);
begin
--# accept Flow, 10, Unused_String, "Expected ineffective assignment" &
--# Flow, 33, Unused_String, "Expected to be neither referenced nor exported";
Get_String (File => Data_File,
Str => Unused_String);
end Skip_Equals;
--------------------------------
procedure Get_Data_Value
(Data_File : in SPARK_IO.File_Type;
Sort : in Val_Sort;
Val : out LexTokenManager.Lex_String;
Status : out Val_Status)
--# global in out LexTokenManager.State;
--# in out SPARK_IO.File_Sys;
--# derives LexTokenManager.State,
--# Status,
--# Val from Data_File,
--# LexTokenManager.State,
--# Sort,
--# SPARK_IO.File_Sys &
--# SPARK_IO.File_Sys from *,
--# Data_File;
is
Value_String : E_Strings.T;
Lex_Val : LexTokenManager.Lex_String;
Conv_OK : Maths.ErrorCode;
Num : Maths.Value;
Is_Negative : Boolean;
Dummy_Char : Character;
begin --Get_Data_Value
Skip_Equals (Data_File => Data_File);
Get_String (File => Data_File,
Str => Value_String);
if E_Strings.Get_Length (E_Str => Value_String) /= 0 then
if E_Strings.Get_Element (E_Str => Value_String,
Pos => 1) = '-' then
--# accept F, 10, Dummy_Char, "Ineffective assignment here OK";
E_Strings.Pop_Char (E_Str => Value_String,
Char => Dummy_Char);
--# end accept;
Is_Negative := True;
else
Is_Negative := False;
end if;
LexTokenManager.Insert_Examiner_String (Str => Value_String,
Lex_Str => Lex_Val);
Maths.LiteralToValue (Lex_Val,
-- to get
Num, Conv_OK);
if Conv_OK = Maths.NoError then
if Sort = Integer_Val and not Maths.IsIntegerValue (Num) then
Val := LexTokenManager.Null_String;
Status := Illegal_Val;
elsif Sort = Real_Val and not Maths.IsRealValue (Num) then
Val := LexTokenManager.Null_String;
Status := Illegal_Val;
else
if Is_Negative then
Maths.Negate (Num);
end if;
Maths.StorageRep (Num, Val);
Status := OK_Val;
end if;
else
Val := LexTokenManager.Null_String;
Status := Illegal_Val;
end if;
else
Val := LexTokenManager.Null_String;
Status := Missing_Val;
end if;
--# accept F, 33, Dummy_Char, "Dummy_Char not referenced here";
end Get_Data_Value;
-----------------------------------------------------------
procedure Echo_Error (Status : in Val_Status)
--# global in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# Status;
is
begin
case Status is
when OK_Val =>
null;
when Illegal_Val =>
ScreenEcho.Put_Line ("Illegal value");
when Missing_Val =>
ScreenEcho.Put_Line ("Value missing");
end case;
end Echo_Error;
--Exported Subprograms-----------------------------------------------------------------
procedure Read_Target_Data_File is
Option : E_Strings.T;
File_OK : Boolean;
Data_File : SPARK_IO.File_Type;
procedure Invalid_Option (Opt : E_Strings.T)
--# global in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# Opt;
is
begin
ScreenEcho.Put_String ("Invalid target compiler data item: ");
ScreenEcho.Put_ExaminerLine (Opt);
end Invalid_Option;
-------------------------------
procedure Process_Option (Opt : E_Strings.T)
--# global in Data_File;
--# in out Dictionary.Dict;
--# in out LexTokenManager.State;
--# in out SPARK_IO.File_Sys;
--# derives Dictionary.Dict,
--# LexTokenManager.State,
--# SPARK_IO.File_Sys from *,
--# Data_File,
--# LexTokenManager.State,
--# Opt,
--# SPARK_IO.File_Sys;
is
Option_Match : Boolean;
Val : LexTokenManager.Lex_String;
Status : Val_Status;
begin
Option_Match := False;
case E_Strings.Get_Element (E_Str => Opt,
Pos => 1) is
when 'i' | 'I' =>
case E_Strings.Get_Element (E_Str => Opt,
Pos => 9) is
when 'f' | 'F' =>
if CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "integer'first") then
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
Echo_Error (Status => Status);
RawDict.Set_Type_Lower (Type_Mark => Dictionary.Get_Predefined_Integer_Type,
Lower => Val);
Option_Match := True;
end if;
when 'l' | 'L' =>
if CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "integer'last") then
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
Echo_Error (Status => Status);
RawDict.Set_Type_Upper (Type_Mark => Dictionary.Get_Predefined_Integer_Type,
Upper => Val);
RawDict.Set_Type_Upper (Type_Mark => Dictionary.Get_Predefined_Positive_Subtype,
Upper => Val);
RawDict.Set_Type_Upper (Type_Mark => Dictionary.Get_Predefined_Natural_Subtype,
Upper => Val);
Option_Match := True;
end if;
when others =>
null;
end case;
when 'l' | 'L' =>
case E_Strings.Get_Element (E_Str => Opt,
Pos => 14) is
when 'f' | 'F' =>
if CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "long_integer'first") then
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
Echo_Error (Status => Status);
RawDict.Set_Type_Lower (Type_Mark => Dictionary.Get_Predefined_Long_Integer_Type,
Lower => Val);
Option_Match := True;
end if;
when 'l' | 'L' =>
if CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "long_integer'last") then
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
Echo_Error (Status => Status);
RawDict.Set_Type_Upper (Type_Mark => Dictionary.Get_Predefined_Long_Integer_Type,
Upper => Val);
Option_Match := True;
end if;
when others =>
null;
end case;
when others =>
null;
end case;
if not Option_Match then
Invalid_Option (Opt => Opt);
end if;
end Process_Option;
-------------------------------
begin --Read_Target_Data_File
if CommandLineData.Content.Target_Data then
Open_File (Data_File => Data_File,
File_OK => File_OK);
if File_OK then
if CommandLineData.Content.Echo and not CommandLineData.Content.Brief then
ScreenEcho.New_Line (1);
ScreenEcho.Put_Line (" Reading target compiler data ...");
end if;
loop
Get_String (File => Data_File,
Str => Option);
exit when E_Strings.Get_Length (E_Str => Option) = 0;
Process_Option (Opt => Option);
end loop;
--# accept Flow, 10, Data_File, "Expected ineffective assignment";
Close_File (Data_File => Data_File);
--# end accept;
end if;
end if;
end Read_Target_Data_File;
------------------------------------------------------------------------------
procedure Output_Target_Data_File (To_File : in SPARK_IO.File_Type) is
Option : E_Strings.T;
File_OK : Boolean;
Data_File : SPARK_IO.File_Type;
--------------------------------
procedure Invalid_Option (To_File : SPARK_IO.File_Type;
Opt : E_Strings.T)
--# global in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# Opt,
--# To_File;
is
begin
SPARK_IO.Put_String (To_File, "Invalid target compiler data item: ", 0);
E_Strings.Put_String (File => To_File,
E_Str => Opt);
SPARK_IO.Put_Line (To_File, " has been ignored", 0);
end Invalid_Option;
-------------------------------
procedure Process_Option (Opt : E_Strings.T;
To_File : SPARK_IO.File_Type)
--# global in CommandLineData.Content;
--# in Data_File;
--# in out LexTokenManager.State;
--# in out SPARK_IO.File_Sys;
--# in out XMLReport.State;
--# derives LexTokenManager.State from *,
--# CommandLineData.Content,
--# Data_File,
--# Opt,
--# SPARK_IO.File_Sys,
--# To_File &
--# SPARK_IO.File_Sys from *,
--# CommandLineData.Content,
--# Data_File,
--# LexTokenManager.State,
--# Opt,
--# To_File,
--# XMLReport.State &
--# XMLReport.State from *,
--# CommandLineData.Content,
--# Opt;
is
Option_Match : Boolean;
--Val : LexTokenManager.Lex_String;
--Status : Val_Status;
procedure Margin
--# global in To_File;
--# in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# To_File;
is
begin
SPARK_IO.Put_String (To_File, " ", 0);
end Margin;
----------------------------------------
procedure Separator
--# global in To_File;
--# in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# To_File;
is
begin
SPARK_IO.Put_String (To_File, " = ", 0);
end Separator;
----------------------------------------
procedure Put_Val (To_File : in SPARK_IO.File_Type;
Val : in LexTokenManager.Lex_String;
Status : in Val_Status)
--# global in LexTokenManager.State;
--# in out SPARK_IO.File_Sys;
--# derives SPARK_IO.File_Sys from *,
--# LexTokenManager.State,
--# Status,
--# To_File,
--# Val;
is
begin
case Status is
when OK_Val =>
E_Strings.Put_Line (File => To_File,
E_Str => Maths.ValueToString (Maths.ValueRep (Val)));
when Illegal_Val =>
SPARK_IO.Put_Line (To_File, "Illegal value - ignored", 0);
when Missing_Val =>
SPARK_IO.Put_Line (To_File, "Value missing - ignored", 0);
end case;
end Put_Val;
function Get_Val (Val : in LexTokenManager.Lex_String;
Status : in Val_Status) return E_Strings.T
--# global in LexTokenManager.State;
is
Tmp_String : E_Strings.T;
begin
case Status is
when OK_Val =>
Tmp_String := Maths.ValueToString (Maths.ValueRep (Val));
when Illegal_Val =>
Tmp_String := E_Strings.Copy_String (Str => "Illegal value - ignored");
when Missing_Val =>
Tmp_String := E_Strings.Copy_String (Str => "Value missing - ignored");
end case;
return Tmp_String;
end Get_Val;
---------------------------------------
procedure Output_Value (Data_File : in SPARK_IO.File_Type;
Opt : in E_Strings.T;
Valid : in Boolean)
--# global in CommandLineData.Content;
--# in To_File;
--# in out LexTokenManager.State;
--# in out SPARK_IO.File_Sys;
--# in out XMLReport.State;
--# derives LexTokenManager.State from *,
--# CommandLineData.Content,
--# Data_File,
--# Opt,
--# SPARK_IO.File_Sys,
--# To_File,
--# Valid &
--# SPARK_IO.File_Sys from *,
--# CommandLineData.Content,
--# Data_File,
--# LexTokenManager.State,
--# Opt,
--# To_File,
--# Valid,
--# XMLReport.State &
--# XMLReport.State from *,
--# CommandLineData.Content,
--# Opt,
--# Valid;
is
Val : LexTokenManager.Lex_String;
Status : Val_Status;
begin
if Valid then
if CommandLineData.Content.XML then
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
XMLReport.Compiler_Item (Item => Opt,
Val => Get_Val (Val => Val,
Status => Status),
Report => To_File);
else
Margin;
E_Strings.Put_String (File => To_File,
E_Str => Opt);
Separator;
Get_Data_Value (Data_File => Data_File,
Sort => Integer_Val,
Val => Val,
Status => Status);
Put_Val (To_File => To_File,
Val => Val,
Status => Status);
end if;
end if;
end Output_Value;
begin -- Process_Option
Option_Match := False;
case E_Strings.Get_Element (E_Str => Opt,
Pos => 1) is
when 'i' | 'I' =>
case E_Strings.Get_Element (E_Str => Opt,
Pos => 9) is
when 'f' | 'F' =>
Option_Match := CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "integer'first");
Output_Value (Data_File => Data_File,
Opt => Opt,
Valid => Option_Match);
when 'l' | 'L' =>
Option_Match := CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "integer'last");
Output_Value (Data_File => Data_File,
Opt => Opt,
Valid => Option_Match);
when others =>
null;
end case;
when 'l' | 'L' =>
case E_Strings.Get_Element (E_Str => Opt,
Pos => 14) is
when 'f' | 'F' =>
Option_Match := CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "long_integer'first");
Output_Value (Data_File => Data_File,
Opt => Opt,
Valid => Option_Match);
when 'l' | 'L' =>
Option_Match := CommandLineHandler.Check_Option_Name (Opt_Name => Opt,
Str => "long_integer'last");
Output_Value (Data_File => Data_File,
Opt => Opt,
Valid => Option_Match);
when others =>
null;
end case;
when others =>
null;
end case;
if not Option_Match then
Margin;
Invalid_Option (To_File => To_File,
Opt => Opt);
end if;
end Process_Option;
begin --Output_Target_Data_File
if CommandLineData.Content.Target_Data then
Open_File (Data_File => Data_File,
File_OK => File_OK);
if File_OK then
if CommandLineData.Content.XML then
XMLReport.Start_Section (Section => XMLReport.S_Compiler_Data,
Report => To_File);
loop
Get_String (File => Data_File,
Str => Option);
exit when E_Strings.Get_Length (E_Str => Option) = 0;
Process_Option (Opt => Option,
To_File => To_File);
end loop;
XMLReport.End_Section (Section => XMLReport.S_Compiler_Data,
Report => To_File);
--# accept Flow, 10, Data_File, "Expected ineffective assignment";
Close_File (Data_File => Data_File);
--# end accept;
else
SPARK_IO.New_Line (To_File, 2);
SPARK_IO.Put_Line (To_File, "Target compiler data:", 0);
loop
Get_String (File => Data_File,
Str => Option);
exit when E_Strings.Get_Length (E_Str => Option) = 0;
Process_Option (Opt => Option,
To_File => To_File);
end loop;
--# accept Flow, 10, Data_File, "Expected ineffective assignment";
Close_File (Data_File => Data_File);
--# end accept;
end if; -- XML
end if;
end if;
end Output_Target_Data_File;
end TargetData;
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