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326 | ------------------------------------------------------------------------------
-- Copyright (C) 2020 by Heisenbug Ltd. (gh+spat@heisenbug.eu)
--
-- This work is free. You can redistribute it and/or modify it under the
-- terms of the Do What The Fuck You Want To Public License, Version 2,
-- as published by Sam Hocevar. See the LICENSE file for more details.
------------------------------------------------------------------------------
pragma License (Unrestricted);
------------------------------------------------------------------------------
--
-- SPARK Proof Analysis Tool
--
-- S.P.A.T. - Main program - separate Print_Entities
--
------------------------------------------------------------------------------
with Ada.Strings.Fixed;
with Ada.Strings.Unbounded;
with SPAT.Entity.Tree;
with SPAT.Log;
with SPAT.Proof_Attempt;
with SPAT.Proof_Item;
with SPAT.Strings;
with SPAT.String_Tables;
separate (Run_SPAT)
------------------------------------------------------------------------------
-- Print_Entities
------------------------------------------------------------------------------
procedure Print_Entities (Info : in SPAT.Spark_Info.T;
Sort_By : in SPAT.Spark_Info.Sorting_Criterion;
Cut_Off : in Duration;
Entity_Filter : in Reg_Exp_List.Vector)
is
type Filtered is
record
Omitted_Entities : Natural;
Omitted_VCs : Natural;
end record;
function Has_Omitted (F : in Filtered) return Boolean is
(F.Omitted_Entities /= 0 or F.Omitted_VCs /= 0);
function Image (F : in Filtered) return String is
(F.Omitted_Entities'Image & " entities, and" &
F.Omitted_VCs'Image & " VCs within the above results");
None_Filtered : constant Filtered := Filtered'(Omitted_Entities => 0,
Omitted_VCs => 0);
Cut_Off_Filter : Filtered := None_Filtered;
Mode : constant SPAT.Command_Line.Report_Mode :=
SPAT.Command_Line.Report.Get;
Detail_Level : constant SPAT.Command_Line.Detail_Level :=
SPAT.Command_Line.Details.Get;
use all type SPAT.Command_Line.Report_Mode;
---------------------------------------------------------------------------
-- Should_Show_Entity
--
-- Applies given filters (cut off point, report mode, entity filter
-- regexp) and returns True if the entity matches this filter and should
-- be shown.
---------------------------------------------------------------------------
function Should_Show_Entity (Entity : in SPAT.Entity_Name) return Boolean;
---------------------------------------------------------------------------
-- Should_Show_Proof
--
-- Applies given filters (cut off point, report mode) and returns True if
-- the given Proof matches the filters and should be shown.
---------------------------------------------------------------------------
function Should_Show_Proof
(The_Proof : in SPAT.Proof_Item.T'Class) return Boolean;
---------------------------------------------------------------------------
-- Should_Show_Check
--
-- Applies filters (report mode) and returns True if the given Check
-- matches the filters and should be shown.
---------------------------------------------------------------------------
function Should_Show_Check
(The_Check : in SPAT.Proof_Item.Checks_Sentinel'Class) return Boolean;
---------------------------------------------------------------------------
-- Should_Show_Check
---------------------------------------------------------------------------
function Should_Show_Check
(The_Check : in SPAT.Proof_Item.Checks_Sentinel'Class) return Boolean is
(case Mode is
when None => raise Program_Error,
when All_Proofs => True,
when Failed => The_Check.Has_Failed_Attempts,
when Unproved |
Unjustified => The_Check.Is_Unproved);
---------------------------------------------------------------------------
-- Should_Show_Entity
---------------------------------------------------------------------------
function Should_Show_Entity (Entity : in SPAT.Entity_Name) return Boolean is
begin
if Info.Max_Proof_Time (Entity => Entity) < Cut_Off then
Cut_Off_Filter.Omitted_Entities := Cut_Off_Filter.Omitted_Entities + 1;
return False;
end if;
-- Check report mode
case Mode is
when None =>
return False; -- Show nothing.
when All_Proofs =>
null; -- Fall through.
when Failed =>
if not Info.Has_Failed_Attempts (Entity => Entity) then
-- No failed attempts, don't show.
return False;
end if;
when Unproved =>
if not Info.Has_Unproved_Attempts (Entity => Entity) then
-- No unproved attempts, don't show.
return False;
end if;
when Unjustified =>
if
not Info.Has_Unproved_Attempts (Entity => Entity) or else
not Info.Has_Unjustified_Attempts (Entity => Entity)
then
-- Either no unproved VCs, or all unproved ones are justified.
return False;
end if;
end case;
-- Finally check the filter expression.
return (Entity_Filter.Is_Empty or else
(for some Expression of Entity_Filter =>
GNAT.Regexp.Match (S => SPAT.To_String (Entity),
R => Expression)));
end Should_Show_Entity;
---------------------------------------------------------------------------
-- Should_Show_Proof
---------------------------------------------------------------------------
function Should_Show_Proof
(The_Proof : in SPAT.Proof_Item.T'Class) return Boolean is
begin
if The_Proof.Max_Time < Cut_Off then
-- Below cut off point, don't show.
Cut_Off_Filter.Omitted_VCs := Cut_Off_Filter.Omitted_VCs + 1;
return False;
end if;
return (case Mode is
when None => raise Program_Error,
when All_Proofs => True,
when Failed => The_Proof.Has_Failed_Attempts,
when Unproved => The_Proof.Has_Unproved_Attempts,
when Unjustified => (The_Proof.Has_Unproved_Attempts and then
The_Proof.Is_Unjustified));
end Should_Show_Proof;
use all type SPAT.Command_Line.Detail_Level;
Entities : constant SPAT.Strings.Entity_Names :=
Info.List_All_Entities (Sort_By => Sort_By);
package Output_Columns is new SPAT.String_Tables (Columns => 4);
---------------------------------------------------------------------------
-- Split_Into
---------------------------------------------------------------------------
procedure Split_Into (Source : in String;
Split_By : in String;
Target : out Output_Columns.Row);
---------------------------------------------------------------------------
-- Split_Into
---------------------------------------------------------------------------
procedure Split_Into (Source : in String;
Split_By : in String;
Target : out Output_Columns.Row)
is
Split_At : constant Natural :=
Ada.Strings.Fixed.Index (Source => Source,
Pattern => Split_By);
begin
if Split_At > Source'First then
Target :=
(1 =>
SPAT.To_Name
(Source =>
Ada.Strings.Fixed.Trim
(Source => Source (Source'First .. Split_At - 1),
Side => Ada.Strings.Both)),
2 => SPAT.To_Name (Source => Split_By),
3 =>
SPAT.To_Name
(Source =>
Ada.Strings.Fixed.Trim
(Source =>
Source (Split_At + Split_By'Length .. Source'Last),
Side => Ada.Strings.Both)),
4 => SPAT.Null_Name);
else
Target := (1 => SPAT.To_Name (Source => Source),
others => SPAT.Null_Name);
end if;
end Split_Into;
Output_List : Output_Columns.Row_Vectors.Vector;
Current_Row : Output_Columns.Row;
begin -- Print_Entities
for Entity of Entities loop
if Should_Show_Entity (Entity => Entity) then
Current_Row :=
(1 => SPAT.Subject_Name (Entity),
2 => SPAT.To_Name (" => "),
3 => SPAT.Null_Name,
4 =>
SPAT.To_Name
(Source =>
(if Info.Has_Unproved_Attempts (Entity => Entity)
then "--" -- Useless if nothing is proven.
else
SPAT.Image
(Value => Info.Max_Success_Proof_Time (Entity => Entity),
Steps => Info.Max_Success_Proof_Steps (Entity => Entity))) &
"/" &
SPAT.Image
(Value => Info.Max_Proof_Time (Entity => Entity),
Steps => Info.Max_Proof_Steps (Entity => Entity)) &
"/" &
SPAT.Image
(Value => Info.Total_Proof_Time (Entity => Entity))));
Output_List.Append (New_Item => Current_Row);
if Detail_Level > SPAT.Command_Line.None then
for PI_Position in Info.Proof_Tree (Entity => Entity) loop
declare
The_Proof : SPAT.Proof_Item.T'Class renames
SPAT.Proof_Item.T'Class
(SPAT.Entity.Tree.Element (Position => PI_Position));
use type SPAT.Justification;
begin
if Should_Show_Proof (The_Proof => The_Proof) then
Split_Into (Source => "`-" & The_Proof.Image,
Split_By => " => ",
Target => Current_Row);
Output_List.Append (New_Item => Current_Row);
if Detail_Level > Level_1 then
for Check_Position in
Info.Iterate_Children (Entity => Entity,
Position => PI_Position)
loop
declare
The_Check : SPAT.Proof_Item.Checks_Sentinel'Class renames
SPAT.Proof_Item.Checks_Sentinel'Class
(SPAT.Entity.Tree.Element
(Position => Check_Position));
begin
if Should_Show_Check (The_Check => The_Check) then
Current_Row := (1 => SPAT.To_Name (" `"),
others => SPAT.Null_Name);
for Attempt_Position in
Info.Iterate_Children
(Entity => Entity,
Position => Check_Position)
loop
declare
The_Attempt : SPAT.Proof_Attempt.T'Class renames
SPAT.Proof_Attempt.T'Class
(SPAT.Entity.Tree.Element
(Position => Attempt_Position));
begin
Ada.Strings.Unbounded.Append
(Source => Current_Row (1),
New_Item => "-");
Ada.Strings.Unbounded.Append
(Source => Current_Row (1),
New_Item => The_Attempt.Image);
Output_List.Append
(New_Item => Current_Row);
Current_Row :=
(1 => SPAT.To_Name (" "),
others => SPAT.Null_Name);
end;
end loop;
end if;
end;
end loop;
end if;
if
The_Proof.Suppressed /= SPAT.Justification (SPAT.Null_Name)
then
Current_Row :=
(1 =>
SPAT.To_Name
(Source =>
"Justified with: """ &
SPAT.To_String (The_Proof.Suppressed) & """."),
others => SPAT.Null_Name);
Output_List.Append (New_Item => Current_Row);
end if;
end if;
end;
end loop;
end if;
end if;
end loop;
Output_Columns.Put (Item => Output_List);
if SPAT.Log.Debug_Enabled and then Has_Omitted (F => Cut_Off_Filter) then
SPAT.Log.Debug
(Message =>
"Omitted results below cut-off point (" &
SPAT.Image (Cut_Off) & "):" &
Image (F => Cut_Off_Filter) & ".");
end if;
end Print_Entities;
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