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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J . P R O C --
-- --
-- B o d y --
-- --
-- $Revision$
-- --
-- Copyright (C) 2001 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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 GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
with Errout; use Errout;
with Namet; use Namet;
with Opt;
with Output; use Output;
with Prj.Attr; use Prj.Attr;
with Prj.Com; use Prj.Com;
with Prj.Ext; use Prj.Ext;
with Prj.Nmsc; use Prj.Nmsc;
with Stringt; use Stringt;
with GNAT.Case_Util;
with GNAT.HTable;
package body Prj.Proc is
Error_Report : Put_Line_Access := null;
package Processed_Projects is new GNAT.HTable.Simple_HTable
(Header_Num => Header_Num,
Element => Project_Id,
No_Element => No_Project,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- This hash table contains all processed projects
procedure Add (To_Exp : in out String_Id; Str : String_Id);
-- Concatenate two strings and returns another string if both
-- arguments are not null string.
procedure Add_Attributes
(Decl : in out Declarations;
First : Attribute_Node_Id);
-- Add all attributes, starting with First, with their default
-- values to the package or project with declarations Decl.
function Expression
(Project : Project_Id;
From_Project_Node : Project_Node_Id;
Pkg : Package_Id;
First_Term : Project_Node_Id;
Kind : Variable_Kind)
return Variable_Value;
-- From N_Expression project node From_Project_Node, compute the value
-- of an expression and return it as a Variable_Value.
function Imported_Or_Modified_Project_From
(Project : Project_Id;
With_Name : Name_Id)
return Project_Id;
-- Find an imported or modified project of Project whose name is With_Name.
function Package_From
(Project : Project_Id;
With_Name : Name_Id)
return Package_Id;
-- Find the package of Project whose name is With_Name.
procedure Process_Declarative_Items
(Project : Project_Id;
From_Project_Node : Project_Node_Id;
Pkg : Package_Id;
Item : Project_Node_Id);
-- Process declarative items starting with From_Project_Node, and put them
-- in declarations Decl. This is a recursive procedure; it calls itself for
-- a package declaration or a case construction.
procedure Recursive_Process
(Project : out Project_Id;
From_Project_Node : Project_Node_Id;
Modified_By : Project_Id);
-- Process project with node From_Project_Node in the tree.
-- Do nothing if From_Project_Node is Empty_Node.
-- If project has already been processed, simply return its project id.
-- Otherwise create a new project id, mark it as processed, call itself
-- recursively for all imported projects and a modified project, if any.
-- Then process the declarative items of the project.
procedure Check (Project : in out Project_Id);
-- Set all projects to not checked, then call Recursive_Check for
-- the main project Project.
-- Project is set to No_Project if errors occurred.
procedure Recursive_Check (Project : Project_Id);
-- If Project is marked as not checked, mark it as checked,
-- call Check_Naming_Scheme for the project, then call itself
-- for a possible modified project and all the imported projects
-- of Project.
---------
-- Add --
---------
procedure Add (To_Exp : in out String_Id; Str : String_Id) is
begin
if To_Exp = Types.No_String or else String_Length (To_Exp) = 0 then
-- To_Exp is nil or empty. The result is Str.
To_Exp := Str;
-- If Str is nil, then do not change To_Ext
elsif Str /= No_String then
Start_String (To_Exp);
Store_String_Chars (Str);
To_Exp := End_String;
end if;
end Add;
--------------------
-- Add_Attributes --
--------------------
procedure Add_Attributes
(Decl : in out Declarations;
First : Attribute_Node_Id) is
The_Attribute : Attribute_Node_Id := First;
Attribute_Data : Attribute_Record;
begin
while The_Attribute /= Empty_Attribute loop
Attribute_Data := Attributes.Table (The_Attribute);
if Attribute_Data.Kind_2 /= Associative_Array then
declare
New_Attribute : Variable_Value;
begin
case Attribute_Data.Kind_1 is
-- Undefined should not happen
when Undefined =>
pragma Assert
(False, "attribute with an undefined kind");
raise Program_Error;
-- Single attributes have a default value of empty string
when Single =>
New_Attribute :=
(Kind => Single,
Location => No_Location,
Default => True,
Value => Empty_String);
-- List attributes have a default value of nil list
when List =>
New_Attribute :=
(Kind => List,
Location => No_Location,
Default => True,
Values => Nil_String);
end case;
Variable_Elements.Increment_Last;
Variable_Elements.Table (Variable_Elements.Last) :=
(Next => Decl.Attributes,
Name => Attribute_Data.Name,
Value => New_Attribute);
Decl.Attributes := Variable_Elements.Last;
end;
end if;
The_Attribute := Attributes.Table (The_Attribute).Next;
end loop;
end Add_Attributes;
-----------
-- Check --
-----------
procedure Check (Project : in out Project_Id) is
begin
-- Make sure that all projects are marked as not checked.
for Index in 1 .. Projects.Last loop
Projects.Table (Index).Checked := False;
end loop;
Recursive_Check (Project);
if Errout.Errors_Detected > 0 then
Project := No_Project;
end if;
end Check;
----------------
-- Expression --
----------------
function Expression
(Project : Project_Id;
From_Project_Node : Project_Node_Id;
Pkg : Package_Id;
First_Term : Project_Node_Id;
Kind : Variable_Kind)
return Variable_Value
is
The_Term : Project_Node_Id := First_Term;
-- The term in the expression list
The_Current_Term : Project_Node_Id := Empty_Node;
-- The current term node id
Term_Kind : Variable_Kind;
-- The kind of the current term
Result : Variable_Value (Kind => Kind);
-- The returned result
Last : String_List_Id := Nil_String;
-- Reference to the last string elements in Result, when Kind is List.
begin
Result.Location := Location_Of (First_Term);
-- Process each term of the expression, starting with First_Term
while The_Term /= Empty_Node loop
-- We get the term data and kind ...
Term_Kind := Expression_Kind_Of (The_Term);
The_Current_Term := Current_Term (The_Term);
case Kind_Of (The_Current_Term) is
when N_Literal_String =>
case Kind is
when Undefined =>
-- Should never happen
pragma Assert (False, "Undefined expression kind");
raise Program_Error;
when Single =>
Add (Result.Value, String_Value_Of (The_Current_Term));
when List =>
String_Elements.Increment_Last;
if Last = Nil_String then
-- This can happen in an expression such as
-- () & "toto"
Result.Values := String_Elements.Last;
else
String_Elements.Table (Last).Next :=
String_Elements.Last;
end if;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value => String_Value_Of (The_Current_Term),
Location => Location_Of (The_Current_Term),
Next => Nil_String);
end case;
when N_Literal_String_List =>
declare
String_Node : Project_Node_Id :=
First_Expression_In_List (The_Current_Term);
Value : Variable_Value;
begin
if String_Node /= Empty_Node then
-- If String_Node is nil, it is an empty list,
-- there is nothing to do
Value := Expression
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => Pkg,
First_Term => Tree.First_Term (String_Node),
Kind => Single);
String_Elements.Increment_Last;
if Result.Values = Nil_String then
-- This literal string list is the first term
-- in a string list expression
Result.Values := String_Elements.Last;
else
String_Elements.Table (Last).Next :=
String_Elements.Last;
end if;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value => Value.Value,
Location => Value.Location,
Next => Nil_String);
loop
-- Add the other element of the literal string list
-- one after the other
String_Node :=
Next_Expression_In_List (String_Node);
exit when String_Node = Empty_Node;
Value :=
Expression
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => Pkg,
First_Term => Tree.First_Term (String_Node),
Kind => Single);
String_Elements.Increment_Last;
String_Elements.Table (Last).Next :=
String_Elements.Last;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value => Value.Value,
Location => Value.Location,
Next => Nil_String);
end loop;
end if;
end;
when N_Variable_Reference | N_Attribute_Reference =>
declare
The_Project : Project_Id := Project;
The_Package : Package_Id := Pkg;
The_Name : Name_Id := No_Name;
The_Variable_Id : Variable_Id := No_Variable;
The_Variable : Variable;
Term_Project : constant Project_Node_Id :=
Project_Node_Of (The_Current_Term);
Term_Package : constant Project_Node_Id :=
Package_Node_Of (The_Current_Term);
begin
if Term_Project /= Empty_Node and then
Term_Project /= From_Project_Node
then
-- This variable or attribute comes from another project
The_Name := Name_Of (Term_Project);
The_Project := Imported_Or_Modified_Project_From
(Project => Project, With_Name => The_Name);
end if;
if Term_Package /= Empty_Node then
-- This is an attribute of a package
The_Name := Name_Of (Term_Package);
The_Package := Projects.Table (The_Project).Decl.Packages;
while The_Package /= No_Package
and then Packages.Table (The_Package).Name /= The_Name
loop
The_Package := Packages.Table (The_Package).Next;
end loop;
pragma Assert
(The_Package /= No_Package,
"package not found.");
elsif Kind_Of (The_Current_Term) = N_Attribute_Reference then
The_Package := No_Package;
end if;
The_Name := Name_Of (The_Current_Term);
if The_Package /= No_Package then
-- First, if there is a package, look into the package
if Kind_Of (The_Current_Term) = N_Variable_Reference then
The_Variable_Id :=
Packages.Table (The_Package).Decl.Variables;
else
The_Variable_Id :=
Packages.Table (The_Package).Decl.Attributes;
end if;
while The_Variable_Id /= No_Variable
and then
Variable_Elements.Table (The_Variable_Id).Name /=
The_Name
loop
The_Variable_Id :=
Variable_Elements.Table (The_Variable_Id).Next;
end loop;
end if;
if The_Variable_Id = No_Variable then
-- If we have not found it, look into the project
if Kind_Of (The_Current_Term) = N_Variable_Reference then
The_Variable_Id :=
Projects.Table (The_Project).Decl.Variables;
else
The_Variable_Id :=
Projects.Table (The_Project).Decl.Attributes;
end if;
while The_Variable_Id /= No_Variable
and then
Variable_Elements.Table (The_Variable_Id).Name /=
The_Name
loop
The_Variable_Id :=
Variable_Elements.Table (The_Variable_Id).Next;
end loop;
end if;
pragma Assert (The_Variable_Id /= No_Variable,
"variable or attribute not found");
The_Variable := Variable_Elements.Table (The_Variable_Id);
case Kind is
when Undefined =>
-- Should never happen
pragma Assert (False, "undefined expression kind");
null;
when Single =>
case The_Variable.Value.Kind is
when Undefined =>
null;
when Single =>
Add (Result.Value, The_Variable.Value.Value);
when List =>
-- Should never happen
pragma Assert
(False,
"list cannot appear in single " &
"string expression");
null;
end case;
when List =>
case The_Variable.Value.Kind is
when Undefined =>
null;
when Single =>
String_Elements.Increment_Last;
if Last = Nil_String then
-- This can happen in an expression such as
-- () & Var
Result.Values := String_Elements.Last;
else
String_Elements.Table (Last).Next :=
String_Elements.Last;
end if;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value => The_Variable.Value.Value,
Location => Location_Of (The_Current_Term),
Next => Nil_String);
when List =>
declare
The_List : String_List_Id :=
The_Variable.Value.Values;
begin
while The_List /= Nil_String loop
String_Elements.Increment_Last;
if Last = Nil_String then
Result.Values := String_Elements.Last;
else
String_Elements.Table (Last).Next :=
String_Elements.Last;
end if;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value =>
String_Elements.Table
(The_List).Value,
Location => Location_Of
(The_Current_Term),
Next => Nil_String);
The_List :=
String_Elements.Table (The_List).Next;
end loop;
end;
end case;
end case;
end;
when N_External_Value =>
String_To_Name_Buffer
(String_Value_Of (External_Reference_Of (The_Current_Term)));
declare
Name : constant Name_Id := Name_Find;
Default : String_Id := No_String;
Value : String_Id := No_String;
Default_Node : constant Project_Node_Id :=
External_Default_Of (The_Current_Term);
begin
if Default_Node /= Empty_Node then
Default := String_Value_Of (Default_Node);
end if;
Value := Prj.Ext.Value_Of (Name, Default);
if Value = No_String then
if Error_Report = null then
Error_Msg
("undefined external reference",
Location_Of (The_Current_Term));
else
Error_Report
("""" & Get_Name_String (Name) &
""" is an undefined external reference");
end if;
Value := Empty_String;
end if;
case Kind is
when Undefined =>
null;
when Single =>
Add (Result.Value, Value);
when List =>
String_Elements.Increment_Last;
if Last = Nil_String then
Result.Values := String_Elements.Last;
else
String_Elements.Table (Last).Next :=
String_Elements.Last;
end if;
Last := String_Elements.Last;
String_Elements.Table (Last) :=
(Value => Value,
Location => Location_Of (The_Current_Term),
Next => Nil_String);
end case;
end;
when others =>
-- Should never happen
pragma Assert
(False,
"illegal node kind in an expression");
raise Program_Error;
end case;
The_Term := Next_Term (The_Term);
end loop;
return Result;
end Expression;
---------------------------------------
-- Imported_Or_Modified_Project_From --
---------------------------------------
function Imported_Or_Modified_Project_From
(Project : Project_Id;
With_Name : Name_Id)
return Project_Id
is
Data : constant Project_Data := Projects.Table (Project);
List : Project_List := Data.Imported_Projects;
begin
-- First check if it is the name of a modified project
if Data.Modifies /= No_Project
and then Projects.Table (Data.Modifies).Name = With_Name
then
return Data.Modifies;
else
-- Then check the name of each imported project
while List /= Empty_Project_List
and then
Projects.Table
(Project_Lists.Table (List).Project).Name /= With_Name
loop
List := Project_Lists.Table (List).Next;
end loop;
pragma Assert
(List /= Empty_Project_List,
"project not found");
return Project_Lists.Table (List).Project;
end if;
end Imported_Or_Modified_Project_From;
------------------
-- Package_From --
------------------
function Package_From
(Project : Project_Id;
With_Name : Name_Id)
return Package_Id
is
Data : constant Project_Data := Projects.Table (Project);
Result : Package_Id := Data.Decl.Packages;
begin
-- Check the name of each existing package of Project
while Result /= No_Package
and then
Packages.Table (Result).Name /= With_Name
loop
Result := Packages.Table (Result).Next;
end loop;
if Result = No_Package then
-- Should never happen
Write_Line ("package """ & Get_Name_String (With_Name) &
""" not found");
raise Program_Error;
else
return Result;
end if;
end Package_From;
-------------
-- Process --
-------------
procedure Process
(Project : out Project_Id;
From_Project_Node : Project_Node_Id;
Report_Error : Put_Line_Access)
is
begin
Error_Report := Report_Error;
-- Make sure there is no projects in the data structure
Projects.Set_Last (No_Project);
Processed_Projects.Reset;
-- And process the main project and all of the projects it depends on,
-- recursively
Recursive_Process
(Project => Project,
From_Project_Node => From_Project_Node,
Modified_By => No_Project);
if Errout.Errors_Detected > 0 then
Project := No_Project;
end if;
if Project /= No_Project then
Check (Project);
end if;
end Process;
-------------------------------
-- Process_Declarative_Items --
-------------------------------
procedure Process_Declarative_Items
(Project : Project_Id;
From_Project_Node : Project_Node_Id;
Pkg : Package_Id;
Item : Project_Node_Id) is
Current_Declarative_Item : Project_Node_Id := Item;
Current_Item : Project_Node_Id := Empty_Node;
begin
-- For each declarative item
while Current_Declarative_Item /= Empty_Node loop
-- Get its data
Current_Item := Current_Item_Node (Current_Declarative_Item);
-- And set Current_Declarative_Item to the next declarative item
-- ready for the next iteration
Current_Declarative_Item := Next_Declarative_Item
(Current_Declarative_Item);
case Kind_Of (Current_Item) is
when N_Package_Declaration =>
Packages.Increment_Last;
declare
New_Pkg : constant Package_Id := Packages.Last;
The_New_Package : Package_Element;
Project_Of_Renamed_Package : constant Project_Node_Id :=
Project_Of_Renamed_Package_Of
(Current_Item);
begin
The_New_Package.Name := Name_Of (Current_Item);
if Pkg /= No_Package then
The_New_Package.Next :=
Packages.Table (Pkg).Decl.Packages;
Packages.Table (Pkg).Decl.Packages := New_Pkg;
else
The_New_Package.Next :=
Projects.Table (Project).Decl.Packages;
Projects.Table (Project).Decl.Packages := New_Pkg;
end if;
Packages.Table (New_Pkg) := The_New_Package;
if Project_Of_Renamed_Package /= Empty_Node then
-- Renamed package
declare
Project_Name : constant Name_Id :=
Name_Of
(Project_Of_Renamed_Package);
Renamed_Project : constant Project_Id :=
Imported_Or_Modified_Project_From
(Project, Project_Name);
Renamed_Package : constant Package_Id :=
Package_From
(Renamed_Project,
Name_Of (Current_Item));
begin
Packages.Table (New_Pkg).Decl :=
Packages.Table (Renamed_Package).Decl;
end;
else
-- Set the default values of the attributes
Add_Attributes
(Packages.Table (New_Pkg).Decl,
Package_Attributes.Table
(Package_Id_Of (Current_Item)).First_Attribute);
Process_Declarative_Items
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => New_Pkg,
Item => First_Declarative_Item_Of
(Current_Item));
end if;
end;
when N_String_Type_Declaration =>
-- There is nothing to process
null;
when N_Attribute_Declaration |
N_Typed_Variable_Declaration |
N_Variable_Declaration =>
pragma Assert (Expression_Of (Current_Item) /= Empty_Node,
"no expression for an object declaration");
declare
New_Value : constant Variable_Value :=
Expression
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => Pkg,
First_Term =>
Tree.First_Term (Expression_Of
(Current_Item)),
Kind =>
Expression_Kind_Of (Current_Item));
The_Variable : Variable_Id := No_Variable;
Current_Item_Name : constant Name_Id :=
Name_Of (Current_Item);
begin
if Kind_Of (Current_Item) = N_Typed_Variable_Declaration then
if String_Equal (New_Value.Value, Empty_String) then
Error_Msg_Name_1 := Name_Of (Current_Item);
if Error_Report = null then
Error_Msg
("no value defined for %",
Location_Of (Current_Item));
else
Error_Report
("no value defined for " &
Get_Name_String (Error_Msg_Name_1));
end if;
else
declare
Current_String : Project_Node_Id :=
First_Literal_String
(String_Type_Of
(Current_Item));
begin
while Current_String /= Empty_Node
and then not String_Equal
(String_Value_Of (Current_String),
New_Value.Value)
loop
Current_String :=
Next_Literal_String (Current_String);
end loop;
if Current_String = Empty_Node then
String_To_Name_Buffer (New_Value.Value);
Error_Msg_Name_1 := Name_Find;
Error_Msg_Name_2 := Name_Of (Current_Item);
if Error_Report = null then
Error_Msg
("value { is illegal for typed string %",
Location_Of (Current_Item));
else
Error_Report
("value """ &
Get_Name_String (Error_Msg_Name_1) &
""" is illegal for typed string """ &
Get_Name_String (Error_Msg_Name_2) &
"""");
end if;
end if;
end;
end if;
end if;
if Kind_Of (Current_Item) /= N_Attribute_Declaration
or else
Associative_Array_Index_Of (Current_Item) = No_String
then
-- Usual case
-- Code below really needs more comments ???
if Kind_Of (Current_Item) = N_Attribute_Declaration then
if Pkg /= No_Package then
The_Variable :=
Packages.Table (Pkg).Decl.Attributes;
else
The_Variable :=
Projects.Table (Project).Decl.Attributes;
end if;
else
if Pkg /= No_Package then
The_Variable :=
Packages.Table (Pkg).Decl.Variables;
else
The_Variable :=
Projects.Table (Project).Decl.Variables;
end if;
end if;
while
The_Variable /= No_Variable
and then
Variable_Elements.Table (The_Variable).Name /=
Current_Item_Name
loop
The_Variable :=
Variable_Elements.Table (The_Variable).Next;
end loop;
if The_Variable = No_Variable then
pragma Assert
(Kind_Of (Current_Item) /= N_Attribute_Declaration,
"illegal attribute declaration");
Variable_Elements.Increment_Last;
The_Variable := Variable_Elements.Last;
if Pkg /= No_Package then
Variable_Elements.Table (The_Variable) :=
(Next =>
Packages.Table (Pkg).Decl.Variables,
Name => Current_Item_Name,
Value => New_Value);
Packages.Table (Pkg).Decl.Variables := The_Variable;
else
Variable_Elements.Table (The_Variable) :=
(Next =>
Projects.Table (Project).Decl.Variables,
Name => Current_Item_Name,
Value => New_Value);
Projects.Table (Project).Decl.Variables :=
The_Variable;
end if;
else
Variable_Elements.Table (The_Variable).Value :=
New_Value;
end if;
else
-- Associative array attribute
String_To_Name_Buffer
(Associative_Array_Index_Of (Current_Item));
if Case_Insensitive (Current_Item) then
GNAT.Case_Util.To_Lower (Name_Buffer (1 .. Name_Len));
end if;
declare
The_Array : Array_Id;
The_Array_Element : Array_Element_Id :=
No_Array_Element;
Index_Name : constant Name_Id := Name_Find;
begin
if Pkg /= No_Package then
The_Array := Packages.Table (Pkg).Decl.Arrays;
else
The_Array := Projects.Table (Project).Decl.Arrays;
end if;
while
The_Array /= No_Array
and then Arrays.Table (The_Array).Name /=
Current_Item_Name
loop
The_Array := Arrays.Table (The_Array).Next;
end loop;
if The_Array = No_Array then
Arrays.Increment_Last;
The_Array := Arrays.Last;
if Pkg /= No_Package then
Arrays.Table (The_Array) :=
(Name => Current_Item_Name,
Value => No_Array_Element,
Next => Packages.Table (Pkg).Decl.Arrays);
Packages.Table (Pkg).Decl.Arrays := The_Array;
else
Arrays.Table (The_Array) :=
(Name => Current_Item_Name,
Value => No_Array_Element,
Next =>
Projects.Table (Project).Decl.Arrays);
Projects.Table (Project).Decl.Arrays :=
The_Array;
end if;
else
The_Array_Element := Arrays.Table (The_Array).Value;
end if;
while The_Array_Element /= No_Array_Element
and then
Array_Elements.Table (The_Array_Element).Index /=
Index_Name
loop
The_Array_Element :=
Array_Elements.Table (The_Array_Element).Next;
end loop;
if The_Array_Element = No_Array_Element then
Array_Elements.Increment_Last;
The_Array_Element := Array_Elements.Last;
Array_Elements.Table (The_Array_Element) :=
(Index => Index_Name,
Value => New_Value,
Next => Arrays.Table (The_Array).Value);
Arrays.Table (The_Array).Value := The_Array_Element;
else
Array_Elements.Table (The_Array_Element).Value :=
New_Value;
end if;
end;
end if;
end;
when N_Case_Construction =>
declare
The_Project : Project_Id := Project;
The_Package : Package_Id := Pkg;
The_Variable : Variable_Value := Nil_Variable_Value;
Case_Value : String_Id := No_String;
Case_Item : Project_Node_Id := Empty_Node;
Choice_String : Project_Node_Id := Empty_Node;
Decl_Item : Project_Node_Id := Empty_Node;
begin
declare
Variable_Node : constant Project_Node_Id :=
Case_Variable_Reference_Of
(Current_Item);
Var_Id : Variable_Id := No_Variable;
Name : Name_Id := No_Name;
begin
if Project_Node_Of (Variable_Node) /= Empty_Node then
Name := Name_Of (Project_Node_Of (Variable_Node));
The_Project :=
Imported_Or_Modified_Project_From (Project, Name);
end if;
if Package_Node_Of (Variable_Node) /= Empty_Node then
Name := Name_Of (Package_Node_Of (Variable_Node));
The_Package := Package_From (The_Project, Name);
end if;
Name := Name_Of (Variable_Node);
if The_Package /= No_Package then
Var_Id := Packages.Table (The_Package).Decl.Variables;
Name := Name_Of (Variable_Node);
while Var_Id /= No_Variable
and then
Variable_Elements.Table (Var_Id).Name /= Name
loop
Var_Id := Variable_Elements.Table (Var_Id).Next;
end loop;
end if;
if Var_Id = No_Variable
and then Package_Node_Of (Variable_Node) = Empty_Node
then
Var_Id := Projects.Table (The_Project).Decl.Variables;
while Var_Id /= No_Variable
and then
Variable_Elements.Table (Var_Id).Name /= Name
loop
Var_Id := Variable_Elements.Table (Var_Id).Next;
end loop;
end if;
if Var_Id = No_Variable then
-- Should never happen
Write_Line ("variable """ &
Get_Name_String (Name) &
""" not found");
raise Program_Error;
end if;
The_Variable := Variable_Elements.Table (Var_Id).Value;
if The_Variable.Kind /= Single then
-- Should never happen
Write_Line ("variable""" &
Get_Name_String (Name) &
""" is not a single string variable");
raise Program_Error;
end if;
Case_Value := The_Variable.Value;
end;
Case_Item := First_Case_Item_Of (Current_Item);
Case_Item_Loop :
while Case_Item /= Empty_Node loop
Choice_String := First_Choice_Of (Case_Item);
if Choice_String = Empty_Node then
Decl_Item := First_Declarative_Item_Of (Case_Item);
exit Case_Item_Loop;
end if;
Choice_Loop :
while Choice_String /= Empty_Node loop
if String_Equal (Case_Value,
String_Value_Of (Choice_String))
then
Decl_Item :=
First_Declarative_Item_Of (Case_Item);
exit Case_Item_Loop;
end if;
Choice_String :=
Next_Literal_String (Choice_String);
end loop Choice_Loop;
Case_Item := Next_Case_Item (Case_Item);
end loop Case_Item_Loop;
if Decl_Item /= Empty_Node then
Process_Declarative_Items
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => Pkg,
Item => Decl_Item);
end if;
end;
when others =>
-- Should never happen
Write_Line ("Illegal declarative item: " &
Project_Node_Kind'Image (Kind_Of (Current_Item)));
raise Program_Error;
end case;
end loop;
end Process_Declarative_Items;
---------------------
-- Recursive_Check --
---------------------
procedure Recursive_Check (Project : Project_Id) is
Data : Project_Data;
Imported_Project_List : Project_List := Empty_Project_List;
begin
-- Do nothing if Project is No_Project, or Project has already
-- been marked as checked.
if Project /= No_Project
and then not Projects.Table (Project).Checked
then
Data := Projects.Table (Project);
-- Call itself for a possible modified project.
-- (if there is no modified project, then nothing happens).
Recursive_Check (Data.Modifies);
-- Call itself for all imported projects
Imported_Project_List := Data.Imported_Projects;
while Imported_Project_List /= Empty_Project_List loop
Recursive_Check
(Project_Lists.Table (Imported_Project_List).Project);
Imported_Project_List :=
Project_Lists.Table (Imported_Project_List).Next;
end loop;
-- Mark project as checked
Projects.Table (Project).Checked := True;
if Opt.Verbose_Mode then
Write_Str ("Checking project file """);
Write_Str (Get_Name_String (Data.Name));
Write_Line ("""");
end if;
Prj.Nmsc.Ada_Check (Project, Error_Report);
end if;
end Recursive_Check;
-----------------------
-- Recursive_Process --
-----------------------
procedure Recursive_Process
(Project : out Project_Id;
From_Project_Node : Project_Node_Id;
Modified_By : Project_Id)
is
With_Clause : Project_Node_Id;
begin
if From_Project_Node = Empty_Node then
Project := No_Project;
else
declare
Processed_Data : Project_Data := Empty_Project;
Imported : Project_List := Empty_Project_List;
Declaration_Node : Project_Node_Id := Empty_Node;
Name : constant Name_Id :=
Name_Of (From_Project_Node);
begin
Project := Processed_Projects.Get (Name);
if Project /= No_Project then
return;
end if;
Projects.Increment_Last;
Project := Projects.Last;
Processed_Projects.Set (Name, Project);
Processed_Data.Name := Name;
Processed_Data.Path_Name := Path_Name_Of (From_Project_Node);
Processed_Data.Location := Location_Of (From_Project_Node);
Processed_Data.Directory := Directory_Of (From_Project_Node);
Processed_Data.Modified_By := Modified_By;
Add_Attributes (Processed_Data.Decl, Attribute_First);
With_Clause := First_With_Clause_Of (From_Project_Node);
while With_Clause /= Empty_Node loop
declare
New_Project : Project_Id;
New_Data : Project_Data;
begin
Recursive_Process
(Project => New_Project,
From_Project_Node => Project_Node_Of (With_Clause),
Modified_By => No_Project);
New_Data := Projects.Table (New_Project);
-- If we were the first project to import it,
-- set First_Referred_By to us.
if New_Data.First_Referred_By = No_Project then
New_Data.First_Referred_By := Project;
Projects.Table (New_Project) := New_Data;
end if;
-- Add this project to our list of imported projects
Project_Lists.Increment_Last;
Project_Lists.Table (Project_Lists.Last) :=
(Project => New_Project, Next => Empty_Project_List);
-- Imported is the id of the last imported project.
-- If it is nil, then this imported project is our first.
if Imported = Empty_Project_List then
Processed_Data.Imported_Projects := Project_Lists.Last;
else
Project_Lists.Table (Imported).Next := Project_Lists.Last;
end if;
Imported := Project_Lists.Last;
With_Clause := Next_With_Clause_Of (With_Clause);
end;
end loop;
Declaration_Node := Project_Declaration_Of (From_Project_Node);
Recursive_Process
(Project => Processed_Data.Modifies,
From_Project_Node => Modified_Project_Of (Declaration_Node),
Modified_By => Project);
Projects.Table (Project) := Processed_Data;
Process_Declarative_Items
(Project => Project,
From_Project_Node => From_Project_Node,
Pkg => No_Package,
Item => First_Declarative_Item_Of
(Declaration_Node));
end;
end if;
end Recursive_Process;
end Prj.Proc;