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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 DAG_IO;
with ExaminerConstants;
with E_Strings;
with GNAT.Traceback.Symbolic;
with SPARK_IO;
with SP_Symbols;
with Text_IO;
with SystemErrors;
use type SPARK_IO.File_Status;
package body Debug is
--# hide Debug;
procedure PrintMsg (Msg : in String;
NewLine : in Boolean) is
begin
Text_IO.Put (Msg);
if NewLine then
Text_IO.New_Line (1);
end if;
end PrintMsg;
procedure Print_Sym_Raw (Sym : in Dictionary.Symbol) is
Str : E_Strings.T;
begin
if Dictionary.Is_Null_Symbol (Sym) then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, "Null Symbol", 0);
else
Str := Dictionary.GetAnyPrefixNeeded (Sym => Sym,
Scope => Dictionary.GlobalScope,
Separator => ".");
E_Strings.Put_String (File => SPARK_IO.Standard_Output,
E_Str => Str);
if E_Strings.Get_Length (E_Str => Str) > 0 then
SPARK_IO.Put_Char (SPARK_IO.Standard_Output, '.');
end if;
E_Strings.Put_String
(File => SPARK_IO.Standard_Output,
E_Str => Dictionary.GenerateSimpleName (Item => Sym,
Separator => "."));
end if;
end Print_Sym_Raw;
procedure Print_Sym (Msg : in String;
Sym : in Dictionary.Symbol) is
begin
SPARK_IO.Put_String (SPARK_IO.Standard_Output, Msg, 0);
-- These statements put out the raw symbol number before its name
-- SPARK_IO.Put_Char (SPARK_IO.Standard_Output, '(');
-- Text_IO.Put (Integer'Image (Integer (Dictionary.SymbolRef (Sym))));
-- SPARK_IO.Put_Char (SPARK_IO.Standard_Output, ')');
-- end of numeric output lines
Print_Sym_Raw (Sym => Sym);
-- These statements put out the raw symbol Discriminant after its name
-- Start of printing " (SymbolDiscriminant)"
-- SPARK_IO.Put_Char (SPARK_IO.Standard_Output, ' ');
-- SPARK_IO.Put_Char (SPARK_IO.Standard_Output, '(');
-- E_Strings.PutString (SPARK_IO.Standard_Output,
-- Dictionary.GetSymbolDiscriminant (Sym));
-- SPARK_IO.Put_Char (SPARK_IO.Standard_Output, ')');
-- End of printing " (SymbolDiscriminant)"
SPARK_IO.New_Line (SPARK_IO.Standard_Output, 1);
end Print_Sym;
procedure Print_Function_Sym (Msg : in String;
Sym : in Dictionary.Symbol) is
--# hide Print_Function_Sym;
begin
SPARK_IO.Put_String (SPARK_IO.Standard_Output, Msg, 0);
SPARK_IO.Put_String (SPARK_IO.Standard_Output, " [", 0);
SPARK_IO.Put_Integer
(File => SPARK_IO.Standard_Output,
Item => Integer (Dictionary.SymbolRef (Sym)),
Base => 10,
Width => 4);
SPARK_IO.Put_String (SPARK_IO.Standard_Output, "]: ", 0);
Print_Sym_Raw (Sym);
if Dictionary.IsProofFunction (Sym) then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, " (Proof)", 0);
if Dictionary.IsImplicitProofFunction (Sym) then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, " (Implicit)", 0);
end if;
elsif Dictionary.IsAdaFunction (Sym) then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, " (Ada)", 0);
end if;
SPARK_IO.New_Line (SPARK_IO.Standard_Output, 1);
end Print_Function_Sym;
procedure PrintScope (Msg : in String;
Scope : in Dictionary.Scopes) is
begin
SPARK_IO.Put_String (SPARK_IO.Standard_Output, Msg, 0);
if Dictionary.Get_Visibility (Scope => Scope) = Dictionary.Visible then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, "Visible scope of ", 0);
elsif Dictionary.Get_Visibility (Scope => Scope) = Dictionary.Local then
SPARK_IO.Put_String (SPARK_IO.Standard_Output, "Local scope of ", 0);
else
SPARK_IO.Put_String (SPARK_IO.Standard_Output, "Private scope of ", 0);
end if;
Print_Sym ("", Dictionary.GetRegion (Scope));
end PrintScope;
procedure PrintInt (Msg : in String;
I : in Integer) is
begin
Text_IO.Put (Msg);
Text_IO.Put_Line (Integer'Image (I));
end PrintInt;
procedure PrintBool (Msg : in String;
B : in Boolean) is
begin
Text_IO.Put (Msg);
Text_IO.Put_Line (Boolean'Image (B));
end PrintBool;
procedure Print_Lex_Str (Msg : in String;
L : in LexTokenManager.Lex_String) is
begin
Text_IO.Put (Msg);
E_Strings.Put_Line (File => SPARK_IO.Standard_Output,
E_Str => LexTokenManager.Lex_String_To_String (Lex_Str => L));
end Print_Lex_Str;
-- needs DAG_IO.PrintDAG to be made visible
procedure PrintDAG
(Msg : in String;
DAG : in Cells.Cell;
The_Heap : in out Cells.Heap_Record;
Scope : in Dictionary.Scopes)
is
begin
Text_IO.Put (Msg);
DAG_IO.PrintDag (The_Heap, SPARK_IO.Standard_Output, DAG, Scope, DAG_IO.Default_Wrap_Limit);
Text_IO.New_Line;
end PrintDAG;
procedure Write_DAG_To_File
(Filename : in String;
DAG : in Cells.Cell;
The_Heap : in out Cells.Heap_Record;
Scope : in Dictionary.Scopes)
is
Fd : SPARK_IO.File_Type := SPARK_IO.Null_File;
Status : SPARK_IO.File_Status;
begin
SPARK_IO.Create (File => Fd,
Name_Length => Filename'Length,
Name_Of_File => Filename,
Form_Of_File => "",
Status => Status);
SystemErrors.RT_Assert
(C => Status = SPARK_IO.Ok,
Sys_Err => SystemErrors.Other_Internal_Error,
Msg => "Could not open file: " & Filename);
DAG_IO.Print_DAG_Dot (Heap => The_Heap,
Output_File => Fd,
Root => DAG,
Scope => Scope,
Wrap_Limit => DAG_IO.No_Wrap);
SPARK_IO.Close (Fd, Status);
SystemErrors.RT_Assert
(C => Status = SPARK_IO.Ok,
Sys_Err => SystemErrors.Other_Internal_Error,
Msg => "Could not close file: " & Filename);
end Write_DAG_To_File;
procedure Write_Heap_To_File (Filename : in String;
The_Heap : in out Cells.Heap_Record) is
Fd : SPARK_IO.File_Type := SPARK_IO.Null_File;
Status : SPARK_IO.File_Status;
begin
SPARK_IO.Create (File => Fd,
Name_Length => Filename'Length,
Name_Of_File => Filename,
Form_Of_File => "",
Status => Status);
SystemErrors.RT_Assert
(C => Status = SPARK_IO.Ok,
Sys_Err => SystemErrors.Other_Internal_Error,
Msg => "Could not open file: " & Filename);
DAG_IO.Print_Heap_Dot (Heap => The_Heap,
Output_File => Fd);
SPARK_IO.Close (Fd, Status);
SystemErrors.RT_Assert
(C => Status = SPARK_IO.Ok,
Sys_Err => SystemErrors.Other_Internal_Error,
Msg => "Could not close file: " & Filename);
end Write_Heap_To_File;
procedure Print_Cell (Msg : in String;
The_Heap : in out Cells.Heap_Record;
The_Cell : in Cells.Cell) is
begin
Text_IO.Put_Line (Msg & " (");
Text_IO.Put_Line (" Kind : " & Cells.Cell_Kind'Image (Cells.Get_Kind (The_Heap, The_Cell)));
Text_IO.Put_Line (" Op : " & SP_Symbols.SP_Symbol'Image (Cells.Get_Op_Symbol (The_Heap, The_Cell)));
Text_IO.Put_Line (" A : " & Cells.Cell_Kind'Image (Cells.Get_Kind (The_Heap, Cells.Get_A_Ptr (The_Heap, The_Cell))));
Text_IO.Put (" ");
DAG_IO.PrintDag (The_Heap, SPARK_IO.Standard_Output, Cells.Get_A_Ptr (The_Heap, The_Cell), Dictionary.GlobalScope, 120);
Text_IO.New_Line;
Text_IO.Put_Line (" B : " & Cells.Cell_Kind'Image (Cells.Get_Kind (The_Heap, Cells.Get_B_Ptr (The_Heap, The_Cell))));
Text_IO.Put (" ");
DAG_IO.PrintDag (The_Heap, SPARK_IO.Standard_Output, Cells.Get_B_Ptr (The_Heap, The_Cell), Dictionary.GlobalScope, 120);
Text_IO.New_Line;
Text_IO.Put_Line (" C : " & Cells.Cell_Kind'Image (Cells.Get_Kind (The_Heap, Cells.Get_C_Ptr (The_Heap, The_Cell))));
Text_IO.Put (" ");
DAG_IO.PrintDag (The_Heap, SPARK_IO.Standard_Output, Cells.Get_C_Ptr (The_Heap, The_Cell), Dictionary.GlobalScope, 120);
Text_IO.New_Line;
Text_IO.Put_Line (" Nat :" & Natural'Image (Cells.Get_Natural_Value (The_Heap, The_Cell)));
Text_IO.Put (" Sym : ");
Print_Sym_Raw (Cells.Get_Symbol_Value (The_Heap, The_Cell));
Text_IO.New_Line;
Text_IO.Put_Line (")");
end Print_Cell;
procedure Print_Sym_Seq (Msg : in String;
Seq : in SeqAlgebra.Seq;
The_Heap : in Heap.HeapRecord) is
X : SeqAlgebra.MemberOfSeq;
Str : E_Strings.T;
Sym : Dictionary.Symbol;
Later_Item : Boolean := False;
begin
Text_IO.Put (Msg);
Text_IO.Put ("{ ");
X := SeqAlgebra.FirstMember (The_Heap, Seq);
while not SeqAlgebra.IsNullMember (X) loop
if Later_Item then
Text_IO.Put (", ");
end if;
Later_Item := True;
Sym :=
Dictionary.ConvertSymbolRef (ExaminerConstants.RefType (SeqAlgebra.Value_Of_Member (The_Heap => The_Heap,
M => X)));
Str := Dictionary.GetAnyPrefixNeeded (Sym => Sym,
Scope => Dictionary.GlobalScope,
Separator => ".");
E_Strings.Put_String (File => SPARK_IO.Standard_Output,
E_Str => Str);
if E_Strings.Get_Length (E_Str => Str) > 0 then
SPARK_IO.Put_Char (SPARK_IO.Standard_Output, '.');
end if;
E_Strings.Put_String
(File => SPARK_IO.Standard_Output,
E_Str => Dictionary.GenerateSimpleName (Item => Sym,
Separator => "."));
X := SeqAlgebra.NextMember (The_Heap, X);
end loop;
Text_IO.Put_Line (" }");
end Print_Sym_Seq;
procedure PrintSeq (Msg : in String;
Seq : in SeqAlgebra.Seq;
The_Heap : in Heap.HeapRecord) is
X : SeqAlgebra.MemberOfSeq;
Later_Item : Boolean := False;
begin
Text_IO.Put (Msg);
Text_IO.Put ("{ ");
X := SeqAlgebra.FirstMember (The_Heap, Seq);
while not SeqAlgebra.IsNullMember (X) loop
if Later_Item then
Text_IO.Put (", ");
end if;
Later_Item := True;
Text_IO.Put (Integer'Image (SeqAlgebra.Value_Of_Member (The_Heap => The_Heap,
M => X)));
X := SeqAlgebra.NextMember (The_Heap, X);
end loop;
Text_IO.Put_Line (" }");
end PrintSeq;
procedure PrintNode (Msg : in String;
N : in STree.SyntaxNode) is
begin
Text_IO.Put (Msg);
Text_IO.Put_Line (SP_Symbols.SP_Symbol'Image (STree.Syntax_Node_Type (Node => N)));
end PrintNode;
procedure PrintTraceback (Msg : in String;
Depth : in Natural) is
Traceback : GNAT.Traceback.Tracebacks_Array (1 .. Depth);
Unused : Natural;
begin
Text_IO.Put_Line (Msg);
GNAT.Traceback.Call_Chain (Traceback, Unused);
SPARK_IO.Put_String (SPARK_IO.Standard_Output, GNAT.Traceback.Symbolic.Symbolic_Traceback (Traceback), 0);
end PrintTraceback;
procedure Dump_Stack
(Msg : in String;
Scope : in Dictionary.Scopes;
VCG_Heap : in out Cells.Heap_Record;
Stack : in CStacks.Stack)
is
Top_Ptr : CStacks.Stack := Stack;
begin
Debug.PrintMsg (Msg, True);
Debug.PrintMsg ("Stack contents:", True);
while not CStacks.IsEmpty (Top_Ptr) loop
Debug.PrintDAG (Msg => "--",
DAG => CStacks.Top (VCG_Heap, Top_Ptr),
The_Heap => VCG_Heap,
Scope => Scope);
Debug.PrintMsg ("------------------", True);
Top_Ptr := CStacks.NonDestructivePop (VCG_Heap, Top_Ptr);
end loop;
end Dump_Stack;
end Debug;
|
