/usr/lib/gcc-cross/aarch64-linux-gnu/6/adainclude/gnatprj/prj-proc.adb is in libgnatprj6-dev-arm64-cross 6.4.0-17ubuntu1cross1.
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-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- P R J . P R O C --
-- --
-- B o d y --
-- --
-- Copyright (C) 2001-2015, 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 3, 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 COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Atree; use Atree;
with Err_Vars; use Err_Vars;
with Opt; use Opt;
with Osint; use Osint;
with Output; use Output;
with Prj.Attr; use Prj.Attr;
with Prj.Env;
with Prj.Err; use Prj.Err;
with Prj.Ext; use Prj.Ext;
with Prj.Nmsc; use Prj.Nmsc;
with Prj.Part;
with Prj.Util;
with Snames;
with Ada.Containers.Vectors;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNAT.HTable;
package body Prj.Proc is
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
package Unit_Htable is new GNAT.HTable.Simple_HTable
(Header_Num => Header_Num,
Element => Source_Id,
No_Element => No_Source,
Key => Name_Id,
Hash => Hash,
Equal => "=");
-- This hash table contains all processed projects
package Runtime_Defaults is new GNAT.HTable.Simple_HTable
(Header_Num => Prj.Header_Num,
Element => Name_Id,
No_Element => No_Name,
Key => Name_Id,
Hash => Prj.Hash,
Equal => "=");
-- Stores the default values of 'Runtime names for the various languages
package Name_Ids is new Ada.Containers.Vectors (Positive, Name_Id);
procedure Add (To_Exp : in out Name_Id; Str : Name_Id);
-- Concatenate two strings and returns another string if both
-- arguments are not null string.
-- In the following procedures, we are expected to guess the meaning of
-- the parameters from their names, this is never a good idea, comments
-- should be added precisely defining every formal ???
procedure Add_Attributes
(Project : Project_Id;
Project_Name : Name_Id;
Project_Dir : Name_Id;
Shared : Shared_Project_Tree_Data_Access;
Decl : in out Declarations;
First : Attribute_Node_Id;
Project_Level : Boolean);
-- Add all attributes, starting with First, with their default values to
-- the package or project with declarations Decl.
procedure Check
(In_Tree : Project_Tree_Ref;
Project : Project_Id;
Node_Tree : Prj.Tree.Project_Node_Tree_Ref;
Flags : Processing_Flags);
-- Set all projects to not checked, then call Recursive_Check for the
-- main project Project. Project is set to No_Project if errors occurred.
-- Current_Dir is for optimization purposes, avoiding extra system calls.
-- If Allow_Duplicate_Basenames, then files with the same base names are
-- authorized within a project for source-based languages (never for unit
-- based languages)
procedure Copy_Package_Declarations
(From : Declarations;
To : in out Declarations;
New_Loc : Source_Ptr;
Restricted : Boolean;
Shared : Shared_Project_Tree_Data_Access);
-- Copy a package declaration From to To for a renamed package. Change the
-- locations of all the attributes to New_Loc. When Restricted is
-- True, do not copy attributes Body, Spec, Implementation, Specification
-- and Linker_Options.
function Expression
(Project : Project_Id;
Shared : Shared_Project_Tree_Data_Access;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : Prj.Tree.Environment;
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_Extended_Project_From
(Project : Project_Id;
With_Name : Name_Id;
No_Extending : Boolean := False) return Project_Id;
-- Find an imported or extended project of Project whose name is With_Name.
-- When No_Extending is True, do not look for extending projects, returns
-- the exact project whose name is With_Name.
function Package_From
(Project : Project_Id;
Shared : Shared_Project_Tree_Data_Access;
With_Name : Name_Id) return Package_Id;
-- Find the package of Project whose name is With_Name
procedure Process_Declarative_Items
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
From_Project_Node : Project_Node_Id;
Node_Tree : Project_Node_Tree_Ref;
Env : Prj.Tree.Environment;
Pkg : Package_Id;
Item : Project_Node_Id;
Child_Env : in out Prj.Tree.Environment);
-- 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.
--
-- Child_Env is the modified environment after seeing declarations like
-- "for External(...) use" or "for Project_Path use" in aggregate projects.
-- It should have been initialized first.
procedure Recursive_Process
(In_Tree : Project_Tree_Ref;
Project : out Project_Id;
Packages_To_Check : String_List_Access;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : in out Prj.Tree.Environment;
Extended_By : Project_Id;
From_Encapsulated_Lib : Boolean;
On_New_Tree_Loaded : Tree_Loaded_Callback := null);
-- 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
-- extended project, if any. Then process the declarative items of the
-- project.
--
-- Is_Root_Project should be true only for the project that the user
-- explicitly loaded. In the context of aggregate projects, only that
-- project is allowed to modify the environment that will be used to load
-- projects (Child_Env).
--
-- From_Encapsulated_Lib is true if we are parsing a project from
-- encapsulated library dependencies.
--
-- If specified, On_New_Tree_Loaded is called after each aggregated project
-- has been processed succesfully.
function Get_Attribute_Index
(Tree : Project_Node_Tree_Ref;
Attr : Project_Node_Id;
Index : Name_Id) return Name_Id;
-- Copy the index of the attribute into Name_Buffer, converting to lower
-- case if the attribute is case-insensitive.
---------
-- Add --
---------
procedure Add (To_Exp : in out Name_Id; Str : Name_Id) is
begin
if To_Exp = No_Name or else To_Exp = Empty_String 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_Name and then Str /= Empty_String then
declare
S : constant String := Get_Name_String (Str);
begin
Get_Name_String (To_Exp);
Add_Str_To_Name_Buffer (S);
To_Exp := Name_Find;
end;
end if;
end Add;
--------------------
-- Add_Attributes --
--------------------
procedure Add_Attributes
(Project : Project_Id;
Project_Name : Name_Id;
Project_Dir : Name_Id;
Shared : Shared_Project_Tree_Data_Access;
Decl : in out Declarations;
First : Attribute_Node_Id;
Project_Level : Boolean)
is
The_Attribute : Attribute_Node_Id := First;
begin
while The_Attribute /= Empty_Attribute loop
if Attribute_Kind_Of (The_Attribute) = Single then
declare
New_Attribute : Variable_Value;
begin
case Variable_Kind_Of (The_Attribute) 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 :=
(Project => Project,
Kind => Single,
Location => No_Location,
Default => True,
Value => Empty_String,
Index => 0);
-- Special cases of <project>'Name and
-- <project>'Project_Dir.
if Project_Level then
if Attribute_Name_Of (The_Attribute) =
Snames.Name_Name
then
New_Attribute.Value := Project_Name;
elsif Attribute_Name_Of (The_Attribute) =
Snames.Name_Project_Dir
then
New_Attribute.Value := Project_Dir;
end if;
end if;
-- List attributes have a default value of nil list
when List =>
New_Attribute :=
(Project => Project,
Kind => List,
Location => No_Location,
Default => True,
Values => Nil_String);
end case;
Variable_Element_Table.Increment_Last
(Shared.Variable_Elements);
Shared.Variable_Elements.Table
(Variable_Element_Table.Last (Shared.Variable_Elements)) :=
(Next => Decl.Attributes,
Name => Attribute_Name_Of (The_Attribute),
Value => New_Attribute);
Decl.Attributes :=
Variable_Element_Table.Last
(Shared.Variable_Elements);
end;
end if;
The_Attribute := Next_Attribute (After => The_Attribute);
end loop;
end Add_Attributes;
-----------
-- Check --
-----------
procedure Check
(In_Tree : Project_Tree_Ref;
Project : Project_Id;
Node_Tree : Prj.Tree.Project_Node_Tree_Ref;
Flags : Processing_Flags)
is
begin
Process_Naming_Scheme (In_Tree, Project, Node_Tree, Flags);
-- Set the Other_Part field for the units
declare
Source1 : Source_Id;
Name : Name_Id;
Source2 : Source_Id;
Iter : Source_Iterator;
begin
Unit_Htable.Reset;
Iter := For_Each_Source (In_Tree);
loop
Source1 := Prj.Element (Iter);
exit when Source1 = No_Source;
if Source1.Unit /= No_Unit_Index then
Name := Source1.Unit.Name;
Source2 := Unit_Htable.Get (Name);
if Source2 = No_Source then
Unit_Htable.Set (K => Name, E => Source1);
else
Unit_Htable.Remove (Name);
end if;
end if;
Next (Iter);
end loop;
end;
end Check;
-------------------------------
-- Copy_Package_Declarations --
-------------------------------
procedure Copy_Package_Declarations
(From : Declarations;
To : in out Declarations;
New_Loc : Source_Ptr;
Restricted : Boolean;
Shared : Shared_Project_Tree_Data_Access)
is
V1 : Variable_Id;
V2 : Variable_Id := No_Variable;
Var : Variable;
A1 : Array_Id;
A2 : Array_Id := No_Array;
Arr : Array_Data;
E1 : Array_Element_Id;
E2 : Array_Element_Id := No_Array_Element;
Elm : Array_Element;
begin
-- To avoid references in error messages to attribute declarations in
-- an original package that has been renamed, copy all the attribute
-- declarations of the package and change all locations to New_Loc,
-- the location of the renamed package.
-- First single attributes
V1 := From.Attributes;
while V1 /= No_Variable loop
-- Copy the attribute
Var := Shared.Variable_Elements.Table (V1);
V1 := Var.Next;
-- Do not copy the value of attribute Linker_Options if Restricted
if Restricted and then Var.Name = Snames.Name_Linker_Options then
Var.Value.Values := Nil_String;
end if;
-- Remove the Next component
Var.Next := No_Variable;
-- Change the location to New_Loc
Var.Value.Location := New_Loc;
Variable_Element_Table.Increment_Last (Shared.Variable_Elements);
-- Put in new declaration
if To.Attributes = No_Variable then
To.Attributes :=
Variable_Element_Table.Last (Shared.Variable_Elements);
else
Shared.Variable_Elements.Table (V2).Next :=
Variable_Element_Table.Last (Shared.Variable_Elements);
end if;
V2 := Variable_Element_Table.Last (Shared.Variable_Elements);
Shared.Variable_Elements.Table (V2) := Var;
end loop;
-- Then the associated array attributes
A1 := From.Arrays;
while A1 /= No_Array loop
Arr := Shared.Arrays.Table (A1);
A1 := Arr.Next;
-- Remove the Next component
Arr.Next := No_Array;
Array_Table.Increment_Last (Shared.Arrays);
-- Create new Array declaration
if To.Arrays = No_Array then
To.Arrays := Array_Table.Last (Shared.Arrays);
else
Shared.Arrays.Table (A2).Next :=
Array_Table.Last (Shared.Arrays);
end if;
A2 := Array_Table.Last (Shared.Arrays);
-- Don't store the array as its first element has not been set yet
-- Copy the array elements of the array
E1 := Arr.Value;
Arr.Value := No_Array_Element;
while E1 /= No_Array_Element loop
-- Copy the array element
Elm := Shared.Array_Elements.Table (E1);
E1 := Elm.Next;
-- Remove the Next component
Elm.Next := No_Array_Element;
Elm.Restricted := Restricted;
-- Change the location
Elm.Value.Location := New_Loc;
Array_Element_Table.Increment_Last (Shared.Array_Elements);
-- Create new array element
if Arr.Value = No_Array_Element then
Arr.Value := Array_Element_Table.Last (Shared.Array_Elements);
else
Shared.Array_Elements.Table (E2).Next :=
Array_Element_Table.Last (Shared.Array_Elements);
end if;
E2 := Array_Element_Table.Last (Shared.Array_Elements);
Shared.Array_Elements.Table (E2) := Elm;
end loop;
-- Finally, store the new array
Shared.Arrays.Table (A2) := Arr;
end loop;
end Copy_Package_Declarations;
-------------------------
-- Get_Attribute_Index --
-------------------------
function Get_Attribute_Index
(Tree : Project_Node_Tree_Ref;
Attr : Project_Node_Id;
Index : Name_Id) return Name_Id
is
begin
if Index = All_Other_Names
or else not Case_Insensitive (Attr, Tree)
then
return Index;
end if;
Get_Name_String (Index);
To_Lower (Name_Buffer (1 .. Name_Len));
return Name_Find;
end Get_Attribute_Index;
----------------
-- Expression --
----------------
function Expression
(Project : Project_Id;
Shared : Shared_Project_Tree_Data_Access;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : Prj.Tree.Environment;
Pkg : Package_Id;
First_Term : Project_Node_Id;
Kind : Variable_Kind) return Variable_Value
is
The_Term : Project_Node_Id;
-- The term in the expression list
The_Current_Term : Project_Node_Id := Empty_Node;
-- The current term node id
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
Current_Term_Kind : Project_Node_Kind;
begin
Result.Project := Project;
Result.Location := Location_Of (First_Term, From_Project_Node_Tree);
-- Process each term of the expression, starting with First_Term
The_Term := First_Term;
while Present (The_Term) loop
The_Current_Term := Current_Term (The_Term, From_Project_Node_Tree);
if The_Current_Term /= Empty_Node then
Current_Term_Kind :=
Kind_Of (The_Current_Term, From_Project_Node_Tree);
case Current_Term_Kind 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, From_Project_Node_Tree));
Result.Index :=
Source_Index_Of
(The_Current_Term, From_Project_Node_Tree);
when List =>
String_Element_Table.Increment_Last
(Shared.String_Elements);
if Last = Nil_String then
-- This can happen in an expression like () & "toto"
Result.Values := String_Element_Table.Last
(Shared.String_Elements);
else
Shared.String_Elements.Table
(Last).Next := String_Element_Table.Last
(Shared.String_Elements);
end if;
Last := String_Element_Table.Last
(Shared.String_Elements);
Shared.String_Elements.Table (Last) :=
(Value => String_Value_Of
(The_Current_Term,
From_Project_Node_Tree),
Index => Source_Index_Of
(The_Current_Term,
From_Project_Node_Tree),
Display_Value => No_Name,
Location => Location_Of
(The_Current_Term,
From_Project_Node_Tree),
Flag => False,
Next => Nil_String);
end case;
when N_Literal_String_List =>
declare
String_Node : Project_Node_Id :=
First_Expression_In_List
(The_Current_Term,
From_Project_Node_Tree);
Value : Variable_Value;
begin
if Present (String_Node) then
-- If String_Node is nil, it is an empty list, there is
-- nothing to do.
Value := Expression
(Project => Project,
Shared => Shared,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Pkg => Pkg,
First_Term =>
Tree.First_Term
(String_Node, From_Project_Node_Tree),
Kind => Single);
String_Element_Table.Increment_Last
(Shared.String_Elements);
if Result.Values = Nil_String then
-- This literal string list is the first term in a
-- string list expression
Result.Values :=
String_Element_Table.Last
(Shared.String_Elements);
else
Shared.String_Elements.Table (Last).Next :=
String_Element_Table.Last (Shared.String_Elements);
end if;
Last :=
String_Element_Table.Last (Shared.String_Elements);
Shared.String_Elements.Table (Last) :=
(Value => Value.Value,
Display_Value => No_Name,
Location => Value.Location,
Flag => False,
Next => Nil_String,
Index => Value.Index);
loop
-- Add the other element of the literal string list
-- one after the other.
String_Node :=
Next_Expression_In_List
(String_Node, From_Project_Node_Tree);
exit when No (String_Node);
Value :=
Expression
(Project => Project,
Shared => Shared,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Pkg => Pkg,
First_Term =>
Tree.First_Term
(String_Node, From_Project_Node_Tree),
Kind => Single);
String_Element_Table.Increment_Last
(Shared.String_Elements);
Shared.String_Elements.Table (Last).Next :=
String_Element_Table.Last (Shared.String_Elements);
Last := String_Element_Table.Last
(Shared.String_Elements);
Shared.String_Elements.Table (Last) :=
(Value => Value.Value,
Display_Value => No_Name,
Location => Value.Location,
Flag => False,
Next => Nil_String,
Index => Value.Index);
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_Value;
Term_Project : constant Project_Node_Id :=
Project_Node_Of
(The_Current_Term,
From_Project_Node_Tree);
Term_Package : constant Project_Node_Id :=
Package_Node_Of
(The_Current_Term,
From_Project_Node_Tree);
Index : Name_Id := No_Name;
begin
<<Object_Dir_Restart>>
The_Project := Project;
The_Package := Pkg;
The_Name := No_Name;
The_Variable_Id := No_Variable;
Index := No_Name;
if Present (Term_Project)
and then Term_Project /= From_Project_Node
then
-- This variable or attribute comes from another project
The_Name :=
Name_Of (Term_Project, From_Project_Node_Tree);
The_Project := Imported_Or_Extended_Project_From
(Project => Project,
With_Name => The_Name,
No_Extending => True);
end if;
if Present (Term_Package) then
-- This is an attribute of a package
The_Name :=
Name_Of (Term_Package, From_Project_Node_Tree);
The_Package := The_Project.Decl.Packages;
while The_Package /= No_Package
and then Shared.Packages.Table (The_Package).Name /=
The_Name
loop
The_Package :=
Shared.Packages.Table (The_Package).Next;
end loop;
pragma Assert
(The_Package /= No_Package, "package not found.");
elsif Kind_Of (The_Current_Term, From_Project_Node_Tree) =
N_Attribute_Reference
then
The_Package := No_Package;
end if;
The_Name :=
Name_Of (The_Current_Term, From_Project_Node_Tree);
if Current_Term_Kind = N_Attribute_Reference then
Index :=
Associative_Array_Index_Of
(The_Current_Term, From_Project_Node_Tree);
end if;
-- If it is not an associative array attribute
if Index = No_Name then
-- It is not an associative array attribute
if The_Package /= No_Package then
-- First, if there is a package, look into the package
if Current_Term_Kind = N_Variable_Reference then
The_Variable_Id :=
Shared.Packages.Table
(The_Package).Decl.Variables;
else
The_Variable_Id :=
Shared.Packages.Table
(The_Package).Decl.Attributes;
end if;
while The_Variable_Id /= No_Variable
and then Shared.Variable_Elements.Table
(The_Variable_Id).Name /= The_Name
loop
The_Variable_Id :=
Shared.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 Current_Term_Kind = N_Variable_Reference then
The_Variable_Id := The_Project.Decl.Variables;
else
The_Variable_Id := The_Project.Decl.Attributes;
end if;
while The_Variable_Id /= No_Variable
and then Shared.Variable_Elements.Table
(The_Variable_Id).Name /= The_Name
loop
The_Variable_Id :=
Shared.Variable_Elements.Table
(The_Variable_Id).Next;
end loop;
end if;
if From_Project_Node_Tree.Incomplete_With then
if The_Variable_Id = No_Variable then
The_Variable := Nil_Variable_Value;
else
The_Variable :=
Shared.Variable_Elements.Table
(The_Variable_Id).Value;
end if;
else
pragma Assert (The_Variable_Id /= No_Variable,
"variable or attribute not found");
The_Variable :=
Shared.Variable_Elements.Table
(The_Variable_Id).Value;
end if;
else
-- It is an associative array attribute
declare
The_Array : Array_Id := No_Array;
The_Element : Array_Element_Id := No_Array_Element;
Array_Index : Name_Id := No_Name;
begin
if The_Package /= No_Package then
The_Array :=
Shared.Packages.Table (The_Package).Decl.Arrays;
else
The_Array := The_Project.Decl.Arrays;
end if;
while The_Array /= No_Array
and then Shared.Arrays.Table (The_Array).Name /=
The_Name
loop
The_Array := Shared.Arrays.Table (The_Array).Next;
end loop;
if The_Array /= No_Array then
The_Element :=
Shared.Arrays.Table (The_Array).Value;
Array_Index :=
Get_Attribute_Index
(From_Project_Node_Tree,
The_Current_Term,
Index);
while The_Element /= No_Array_Element
and then Shared.Array_Elements.Table
(The_Element).Index /= Array_Index
loop
The_Element :=
Shared.Array_Elements.Table (The_Element).Next;
end loop;
end if;
if The_Element /= No_Array_Element then
The_Variable :=
Shared.Array_Elements.Table (The_Element).Value;
else
if Expression_Kind_Of
(The_Current_Term, From_Project_Node_Tree) =
List
then
The_Variable :=
(Project => Project,
Kind => List,
Location => No_Location,
Default => True,
Values => Nil_String);
else
The_Variable :=
(Project => Project,
Kind => Single,
Location => No_Location,
Default => True,
Value => Empty_String,
Index => 0);
end if;
end if;
end;
end if;
-- Check the defaults
if Current_Term_Kind = N_Attribute_Reference then
declare
The_Default : constant Attribute_Default_Value :=
Default_Of
(The_Current_Term, From_Project_Node_Tree);
begin
-- Check the special value for 'Target when specified
if The_Default = Target_Value
and then Opt.Target_Origin = Specified
then
Name_Len := 0;
Add_Str_To_Name_Buffer (Opt.Target_Value.all);
The_Variable.Value := Name_Find;
-- Check the defaults
elsif The_Variable.Default then
case The_Variable.Kind is
when Undefined =>
null;
when Single =>
case The_Default is
when Read_Only_Value =>
null;
when Empty_Value =>
The_Variable.Value := Empty_String;
when Dot_Value =>
The_Variable.Value := Dot_String;
when Object_Dir_Value =>
From_Project_Node_Tree.Project_Nodes.Table
(The_Current_Term).Name :=
Snames.Name_Object_Dir;
From_Project_Node_Tree.Project_Nodes.Table
(The_Current_Term).Default :=
Dot_Value;
goto Object_Dir_Restart;
when Target_Value =>
if Opt.Target_Value = null then
The_Variable.Value := Empty_String;
else
Name_Len := 0;
Add_Str_To_Name_Buffer
(Opt.Target_Value.all);
The_Variable.Value := Name_Find;
end if;
when Runtime_Value =>
Get_Name_String (Index);
To_Lower (Name_Buffer (1 .. Name_Len));
The_Variable.Value :=
Runtime_Defaults.Get (Name_Find);
if The_Variable.Value = No_Name then
The_Variable.Value := Empty_String;
end if;
end case;
when List =>
case The_Default is
when Read_Only_Value =>
null;
when Empty_Value =>
The_Variable.Values := Nil_String;
when Dot_Value =>
The_Variable.Values :=
Shared.Dot_String_List;
when Object_Dir_Value |
Target_Value |
Runtime_Value =>
null;
end case;
end case;
end if;
end;
end if;
case Kind is
when Undefined =>
-- Should never happen
pragma Assert (False, "undefined expression kind");
null;
when Single =>
case The_Variable.Kind is
when Undefined =>
null;
when Single =>
Add (Result.Value, The_Variable.Value);
when List =>
-- Should never happen
pragma Assert
(False,
"list cannot appear in single " &
"string expression");
null;
end case;
when List =>
case The_Variable.Kind is
when Undefined =>
null;
when Single =>
String_Element_Table.Increment_Last
(Shared.String_Elements);
if Last = Nil_String then
-- This can happen in an expression such as
-- () & Var
Result.Values :=
String_Element_Table.Last
(Shared.String_Elements);
else
Shared.String_Elements.Table (Last).Next :=
String_Element_Table.Last
(Shared.String_Elements);
end if;
Last :=
String_Element_Table.Last
(Shared.String_Elements);
Shared.String_Elements.Table (Last) :=
(Value => The_Variable.Value,
Display_Value => No_Name,
Location => Location_Of
(The_Current_Term,
From_Project_Node_Tree),
Flag => False,
Next => Nil_String,
Index => 0);
when List =>
declare
The_List : String_List_Id :=
The_Variable.Values;
begin
while The_List /= Nil_String loop
String_Element_Table.Increment_Last
(Shared.String_Elements);
if Last = Nil_String then
Result.Values :=
String_Element_Table.Last
(Shared.String_Elements);
else
Shared.
String_Elements.Table (Last).Next :=
String_Element_Table.Last
(Shared.String_Elements);
end if;
Last :=
String_Element_Table.Last
(Shared.String_Elements);
Shared.String_Elements.Table
(Last) :=
(Value =>
Shared.String_Elements.Table
(The_List).Value,
Display_Value => No_Name,
Location =>
Location_Of
(The_Current_Term,
From_Project_Node_Tree),
Flag => False,
Next => Nil_String,
Index => 0);
The_List := Shared.String_Elements.Table
(The_List).Next;
end loop;
end;
end case;
end case;
end;
when N_External_Value =>
Get_Name_String
(String_Value_Of
(External_Reference_Of
(The_Current_Term, From_Project_Node_Tree),
From_Project_Node_Tree));
declare
Name : constant Name_Id := Name_Find;
Default : Name_Id := No_Name;
Value : Name_Id := No_Name;
Ext_List : Boolean := False;
Str_List : String_List_Access := null;
Def_Var : Variable_Value;
Default_Node : constant Project_Node_Id :=
External_Default_Of
(The_Current_Term,
From_Project_Node_Tree);
begin
-- If there is a default value for the external reference,
-- get its value.
if Present (Default_Node) then
Def_Var := Expression
(Project => Project,
Shared => Shared,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Pkg => Pkg,
First_Term =>
Tree.First_Term
(Default_Node, From_Project_Node_Tree),
Kind => Single);
if Def_Var /= Nil_Variable_Value then
Default := Def_Var.Value;
end if;
end if;
Ext_List := Expression_Kind_Of
(The_Current_Term,
From_Project_Node_Tree) = List;
if Ext_List then
Value := Prj.Ext.Value_Of (Env.External, Name, No_Name);
if Value /= No_Name then
declare
Sep : constant String :=
Get_Name_String (Default);
First : Positive := 1;
Lst : Natural;
Done : Boolean := False;
Nmb : Natural;
begin
Get_Name_String (Value);
if Name_Len = 0
or else Sep'Length = 0
or else Name_Buffer (1 .. Name_Len) = Sep
then
Done := True;
end if;
if not Done and then Name_Len < Sep'Length then
Str_List :=
new String_List'
(1 => new String'
(Name_Buffer (1 .. Name_Len)));
Done := True;
end if;
if not Done then
if Name_Buffer (1 .. Sep'Length) = Sep then
First := Sep'Length + 1;
end if;
if Name_Len - First + 1 >= Sep'Length
and then
Name_Buffer (Name_Len - Sep'Length + 1 ..
Name_Len) = Sep
then
Name_Len := Name_Len - Sep'Length;
end if;
if Name_Len = 0 then
Str_List :=
new String_List'(1 => new String'(""));
Done := True;
end if;
end if;
if not Done then
-- Count the number of strings
declare
Saved : constant Positive := First;
begin
Nmb := 1;
loop
Lst :=
Index
(Source =>
Name_Buffer (First .. Name_Len),
Pattern => Sep);
exit when Lst = 0;
Nmb := Nmb + 1;
First := Lst + Sep'Length;
end loop;
First := Saved;
end;
Str_List := new String_List (1 .. Nmb);
-- Populate the string list
Nmb := 1;
loop
Lst :=
Index
(Source =>
Name_Buffer (First .. Name_Len),
Pattern => Sep);
if Lst = 0 then
Str_List (Nmb) :=
new String'
(Name_Buffer (First .. Name_Len));
exit;
else
Str_List (Nmb) :=
new String'
(Name_Buffer (First .. Lst - 1));
Nmb := Nmb + 1;
First := Lst + Sep'Length;
end if;
end loop;
end if;
end;
end if;
else
-- Get the value
Value := Prj.Ext.Value_Of (Env.External, Name, Default);
if Value = No_Name then
if not Quiet_Output then
Error_Msg
(Env.Flags, "?undefined external reference",
Location_Of
(The_Current_Term, From_Project_Node_Tree),
Project);
end if;
Value := Empty_String;
end if;
end if;
case Kind is
when Undefined =>
null;
when Single =>
if Ext_List then
null; -- error
else
Add (Result.Value, Value);
end if;
when List =>
if not Ext_List or else Str_List /= null then
String_Element_Table.Increment_Last
(Shared.String_Elements);
if Last = Nil_String then
Result.Values :=
String_Element_Table.Last
(Shared.String_Elements);
else
Shared.String_Elements.Table (Last).Next
:= String_Element_Table.Last
(Shared.String_Elements);
end if;
Last := String_Element_Table.Last
(Shared.String_Elements);
if Ext_List then
for Ind in Str_List'Range loop
Name_Len := 0;
Add_Str_To_Name_Buffer (Str_List (Ind).all);
Value := Name_Find;
Shared.String_Elements.Table (Last) :=
(Value => Value,
Display_Value => No_Name,
Location =>
Location_Of
(The_Current_Term,
From_Project_Node_Tree),
Flag => False,
Next => Nil_String,
Index => 0);
if Ind /= Str_List'Last then
String_Element_Table.Increment_Last
(Shared.String_Elements);
Shared.String_Elements.Table (Last).Next :=
String_Element_Table.Last
(Shared.String_Elements);
Last := String_Element_Table.Last
(Shared.String_Elements);
end if;
end loop;
else
Shared.String_Elements.Table (Last) :=
(Value => Value,
Display_Value => No_Name,
Location =>
Location_Of
(The_Current_Term,
From_Project_Node_Tree),
Flag => False,
Next => Nil_String,
Index => 0);
end if;
end if;
end case;
end;
when others =>
-- Should never happen
pragma Assert
(False,
"illegal node kind in an expression");
raise Program_Error;
end case;
end if;
The_Term := Next_Term (The_Term, From_Project_Node_Tree);
end loop;
return Result;
end Expression;
---------------------------------------
-- Imported_Or_Extended_Project_From --
---------------------------------------
function Imported_Or_Extended_Project_From
(Project : Project_Id;
With_Name : Name_Id;
No_Extending : Boolean := False) return Project_Id
is
List : Project_List;
Result : Project_Id;
Temp_Result : Project_Id;
begin
-- First check if it is the name of an extended project
Result := Project.Extends;
while Result /= No_Project loop
if Result.Name = With_Name then
return Result;
else
Result := Result.Extends;
end if;
end loop;
-- Then check the name of each imported project
Temp_Result := No_Project;
List := Project.Imported_Projects;
while List /= null loop
Result := List.Project;
-- If the project is directly imported, then returns its ID
if Result.Name = With_Name then
return Result;
end if;
-- If a project extending the project is imported, then keep this
-- extending project as a possibility. It will be the returned ID
-- if the project is not imported directly.
declare
Proj : Project_Id;
begin
Proj := Result.Extends;
while Proj /= No_Project loop
if Proj.Name = With_Name then
if No_Extending then
Temp_Result := Proj;
else
Temp_Result := Result;
end if;
exit;
end if;
Proj := Proj.Extends;
end loop;
end;
List := List.Next;
end loop;
pragma Assert (Temp_Result /= No_Project, "project not found");
return Temp_Result;
end Imported_Or_Extended_Project_From;
------------------
-- Package_From --
------------------
function Package_From
(Project : Project_Id;
Shared : Shared_Project_Tree_Data_Access;
With_Name : Name_Id) return Package_Id
is
Result : Package_Id := Project.Decl.Packages;
begin
-- Check the name of each existing package of Project
while Result /= No_Package
and then Shared.Packages.Table (Result).Name /= With_Name
loop
Result := Shared.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
(In_Tree : Project_Tree_Ref;
Project : out Project_Id;
Packages_To_Check : String_List_Access;
Success : out Boolean;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : in out Prj.Tree.Environment;
Reset_Tree : Boolean := True;
On_New_Tree_Loaded : Tree_Loaded_Callback := null)
is
begin
Process_Project_Tree_Phase_1
(In_Tree => In_Tree,
Project => Project,
Success => Success,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Packages_To_Check => Packages_To_Check,
Reset_Tree => Reset_Tree,
On_New_Tree_Loaded => On_New_Tree_Loaded);
if Project_Qualifier_Of
(From_Project_Node, From_Project_Node_Tree) /= Configuration
then
Process_Project_Tree_Phase_2
(In_Tree => In_Tree,
Project => Project,
Success => Success,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env);
end if;
end Process;
-------------------------------
-- Process_Declarative_Items --
-------------------------------
procedure Process_Declarative_Items
(Project : Project_Id;
In_Tree : Project_Tree_Ref;
From_Project_Node : Project_Node_Id;
Node_Tree : Project_Node_Tree_Ref;
Env : Prj.Tree.Environment;
Pkg : Package_Id;
Item : Project_Node_Id;
Child_Env : in out Prj.Tree.Environment)
is
Shared : constant Shared_Project_Tree_Data_Access := In_Tree.Shared;
procedure Check_Or_Set_Typed_Variable
(Value : in out Variable_Value;
Declaration : Project_Node_Id);
-- Check whether Value is valid for this typed variable declaration. If
-- it is an error, the behavior depends on the flags: either an error is
-- reported, or a warning, or nothing. In the last two cases, the value
-- of the variable is set to a valid value, replacing Value.
procedure Process_Package_Declaration
(Current_Item : Project_Node_Id);
procedure Process_Attribute_Declaration
(Current : Project_Node_Id);
procedure Process_Case_Construction
(Current_Item : Project_Node_Id);
procedure Process_Associative_Array
(Current_Item : Project_Node_Id);
procedure Process_Expression
(Current : Project_Node_Id);
procedure Process_Expression_For_Associative_Array
(Current : Project_Node_Id;
New_Value : Variable_Value);
procedure Process_Expression_Variable_Decl
(Current_Item : Project_Node_Id;
New_Value : Variable_Value);
-- Process the various declarative items
---------------------------------
-- Check_Or_Set_Typed_Variable --
---------------------------------
procedure Check_Or_Set_Typed_Variable
(Value : in out Variable_Value;
Declaration : Project_Node_Id)
is
Loc : constant Source_Ptr := Location_Of (Declaration, Node_Tree);
Reset_Value : Boolean := False;
Current_String : Project_Node_Id;
begin
-- Report an error for an empty string
if Value.Value = Empty_String then
Error_Msg_Name_1 := Name_Of (Declaration, Node_Tree);
case Env.Flags.Allow_Invalid_External is
when Error =>
Error_Msg
(Env.Flags, "no value defined for %%", Loc, Project);
when Warning =>
Reset_Value := True;
Error_Msg
(Env.Flags, "?no value defined for %%", Loc, Project);
when Silent =>
Reset_Value := True;
end case;
else
-- Loop through all the valid strings for the
-- string type and compare to the string value.
Current_String :=
First_Literal_String
(String_Type_Of (Declaration, Node_Tree), Node_Tree);
while Present (Current_String)
and then
String_Value_Of (Current_String, Node_Tree) /= Value.Value
loop
Current_String :=
Next_Literal_String (Current_String, Node_Tree);
end loop;
-- Report error if string value is not one for the string type
if No (Current_String) then
Error_Msg_Name_1 := Value.Value;
Error_Msg_Name_2 := Name_Of (Declaration, Node_Tree);
case Env.Flags.Allow_Invalid_External is
when Error =>
Error_Msg
(Env.Flags, "value %% is illegal for typed string %%",
Loc, Project);
when Warning =>
Error_Msg
(Env.Flags, "?value %% is illegal for typed string %%",
Loc, Project);
Reset_Value := True;
when Silent =>
Reset_Value := True;
end case;
end if;
end if;
if Reset_Value then
Current_String :=
First_Literal_String
(String_Type_Of (Declaration, Node_Tree), Node_Tree);
Value.Value := String_Value_Of (Current_String, Node_Tree);
end if;
end Check_Or_Set_Typed_Variable;
---------------------------------
-- Process_Package_Declaration --
---------------------------------
procedure Process_Package_Declaration
(Current_Item : Project_Node_Id)
is
begin
-- Do not process a package declaration that should be ignored
if Expression_Kind_Of (Current_Item, Node_Tree) /= Ignored then
-- Create the new package
Package_Table.Increment_Last (Shared.Packages);
declare
New_Pkg : constant Package_Id :=
Package_Table.Last (Shared.Packages);
The_New_Package : Package_Element;
Project_Of_Renamed_Package : constant Project_Node_Id :=
Project_Of_Renamed_Package_Of
(Current_Item, Node_Tree);
begin
-- Set the name of the new package
The_New_Package.Name := Name_Of (Current_Item, Node_Tree);
-- Insert the new package in the appropriate list
if Pkg /= No_Package then
The_New_Package.Next :=
Shared.Packages.Table (Pkg).Decl.Packages;
Shared.Packages.Table (Pkg).Decl.Packages := New_Pkg;
else
The_New_Package.Next := Project.Decl.Packages;
Project.Decl.Packages := New_Pkg;
end if;
Shared.Packages.Table (New_Pkg) := The_New_Package;
if Present (Project_Of_Renamed_Package) then
-- Renamed or extending package
declare
Project_Name : constant Name_Id :=
Name_Of (Project_Of_Renamed_Package,
Node_Tree);
Renamed_Project : constant Project_Id :=
Imported_Or_Extended_Project_From
(Project, Project_Name);
Renamed_Package : constant Package_Id :=
Package_From
(Renamed_Project, Shared,
Name_Of (Current_Item, Node_Tree));
begin
-- For a renamed package, copy the declarations of the
-- renamed package, but set all the locations to the
-- location of the package name in the renaming
-- declaration.
Copy_Package_Declarations
(From => Shared.Packages.Table
(Renamed_Package).Decl,
To => Shared.Packages.Table (New_Pkg).Decl,
New_Loc => Location_Of (Current_Item, Node_Tree),
Restricted => False,
Shared => Shared);
end;
else
-- Set the default values of the attributes
Add_Attributes
(Project,
Project.Name,
Name_Id (Project.Directory.Display_Name),
Shared,
Shared.Packages.Table (New_Pkg).Decl,
First_Attribute_Of
(Package_Id_Of (Current_Item, Node_Tree)),
Project_Level => False);
end if;
-- Process declarative items (nothing to do when the package is
-- renaming, as the first declarative item is null).
Process_Declarative_Items
(Project => Project,
In_Tree => In_Tree,
From_Project_Node => From_Project_Node,
Node_Tree => Node_Tree,
Env => Env,
Pkg => New_Pkg,
Item =>
First_Declarative_Item_Of (Current_Item, Node_Tree),
Child_Env => Child_Env);
end;
end if;
end Process_Package_Declaration;
-------------------------------
-- Process_Associative_Array --
-------------------------------
procedure Process_Associative_Array
(Current_Item : Project_Node_Id)
is
Current_Item_Name : constant Name_Id :=
Name_Of (Current_Item, Node_Tree);
-- The name of the attribute
Current_Location : constant Source_Ptr :=
Location_Of (Current_Item, Node_Tree);
New_Array : Array_Id;
-- The new associative array created
Orig_Array : Array_Id;
-- The associative array value
Orig_Project_Name : Name_Id := No_Name;
-- The name of the project where the associative array
-- value is.
Orig_Project : Project_Id := No_Project;
-- The id of the project where the associative array
-- value is.
Orig_Package_Name : Name_Id := No_Name;
-- The name of the package, if any, where the associative array value
-- is located.
Orig_Package : Package_Id := No_Package;
-- The id of the package, if any, where the associative array value
-- is located.
New_Element : Array_Element_Id := No_Array_Element;
-- Id of a new array element created
Prev_Element : Array_Element_Id := No_Array_Element;
-- Last new element id created
Orig_Element : Array_Element_Id := No_Array_Element;
-- Current array element in original associative array
Next_Element : Array_Element_Id := No_Array_Element;
-- Id of the array element that follows the new element. This is not
-- always nil, because values for the associative array attribute may
-- already have been declared, and the array elements declared are
-- reused.
Prj : Project_List;
begin
-- First find if the associative array attribute already has elements
-- declared.
if Pkg /= No_Package then
New_Array := Shared.Packages.Table (Pkg).Decl.Arrays;
else
New_Array := Project.Decl.Arrays;
end if;
while New_Array /= No_Array
and then Shared.Arrays.Table (New_Array).Name /= Current_Item_Name
loop
New_Array := Shared.Arrays.Table (New_Array).Next;
end loop;
-- If the attribute has never been declared add new entry in the
-- arrays of the project/package and link it.
if New_Array = No_Array then
Array_Table.Increment_Last (Shared.Arrays);
New_Array := Array_Table.Last (Shared.Arrays);
if Pkg /= No_Package then
Shared.Arrays.Table (New_Array) :=
(Name => Current_Item_Name,
Location => Current_Location,
Value => No_Array_Element,
Next => Shared.Packages.Table (Pkg).Decl.Arrays);
Shared.Packages.Table (Pkg).Decl.Arrays := New_Array;
else
Shared.Arrays.Table (New_Array) :=
(Name => Current_Item_Name,
Location => Current_Location,
Value => No_Array_Element,
Next => Project.Decl.Arrays);
Project.Decl.Arrays := New_Array;
end if;
end if;
-- Find the project where the value is declared
Orig_Project_Name :=
Name_Of
(Associative_Project_Of (Current_Item, Node_Tree), Node_Tree);
Prj := In_Tree.Projects;
while Prj /= null loop
if Prj.Project.Name = Orig_Project_Name then
Orig_Project := Prj.Project;
exit;
end if;
Prj := Prj.Next;
end loop;
pragma Assert (Orig_Project /= No_Project,
"original project not found");
if No (Associative_Package_Of (Current_Item, Node_Tree)) then
Orig_Array := Orig_Project.Decl.Arrays;
else
-- If in a package, find the package where the value is declared
Orig_Package_Name :=
Name_Of
(Associative_Package_Of (Current_Item, Node_Tree), Node_Tree);
Orig_Package := Orig_Project.Decl.Packages;
pragma Assert (Orig_Package /= No_Package,
"original package not found");
while Shared.Packages.Table
(Orig_Package).Name /= Orig_Package_Name
loop
Orig_Package := Shared.Packages.Table (Orig_Package).Next;
pragma Assert (Orig_Package /= No_Package,
"original package not found");
end loop;
Orig_Array := Shared.Packages.Table (Orig_Package).Decl.Arrays;
end if;
-- Now look for the array
while Orig_Array /= No_Array
and then Shared.Arrays.Table (Orig_Array).Name /= Current_Item_Name
loop
Orig_Array := Shared.Arrays.Table (Orig_Array).Next;
end loop;
if Orig_Array = No_Array then
Error_Msg
(Env.Flags,
"associative array value not found",
Location_Of (Current_Item, Node_Tree),
Project);
else
Orig_Element := Shared.Arrays.Table (Orig_Array).Value;
-- Copy each array element
while Orig_Element /= No_Array_Element loop
-- Case of first element
if Prev_Element = No_Array_Element then
-- And there is no array element declared yet, create a new
-- first array element.
if Shared.Arrays.Table (New_Array).Value =
No_Array_Element
then
Array_Element_Table.Increment_Last
(Shared.Array_Elements);
New_Element := Array_Element_Table.Last
(Shared.Array_Elements);
Shared.Arrays.Table (New_Array).Value := New_Element;
Next_Element := No_Array_Element;
-- Otherwise, the new element is the first
else
New_Element := Shared.Arrays.Table (New_Array).Value;
Next_Element :=
Shared.Array_Elements.Table (New_Element).Next;
end if;
-- Otherwise, reuse an existing element, or create
-- one if necessary.
else
Next_Element :=
Shared.Array_Elements.Table (Prev_Element).Next;
if Next_Element = No_Array_Element then
Array_Element_Table.Increment_Last
(Shared.Array_Elements);
New_Element := Array_Element_Table.Last
(Shared.Array_Elements);
Shared.Array_Elements.Table (Prev_Element).Next :=
New_Element;
else
New_Element := Next_Element;
Next_Element :=
Shared.Array_Elements.Table (New_Element).Next;
end if;
end if;
-- Copy the value of the element
Shared.Array_Elements.Table (New_Element) :=
Shared.Array_Elements.Table (Orig_Element);
Shared.Array_Elements.Table (New_Element).Value.Project
:= Project;
-- Adjust the Next link
Shared.Array_Elements.Table (New_Element).Next := Next_Element;
-- Adjust the previous id for the next element
Prev_Element := New_Element;
-- Go to the next element in the original array
Orig_Element := Shared.Array_Elements.Table (Orig_Element).Next;
end loop;
-- Make sure that the array ends here, in case there previously a
-- greater number of elements.
Shared.Array_Elements.Table (New_Element).Next := No_Array_Element;
end if;
end Process_Associative_Array;
----------------------------------------------
-- Process_Expression_For_Associative_Array --
----------------------------------------------
procedure Process_Expression_For_Associative_Array
(Current : Project_Node_Id;
New_Value : Variable_Value)
is
Name : constant Name_Id := Name_Of (Current, Node_Tree);
Current_Location : constant Source_Ptr :=
Location_Of (Current, Node_Tree);
Index_Name : Name_Id :=
Associative_Array_Index_Of (Current, Node_Tree);
Source_Index : constant Int :=
Source_Index_Of (Current, Node_Tree);
The_Array : Array_Id;
Elem : Array_Element_Id := No_Array_Element;
begin
if Index_Name /= All_Other_Names then
Index_Name := Get_Attribute_Index (Node_Tree, Current, Index_Name);
end if;
-- Look for the array in the appropriate list
if Pkg /= No_Package then
The_Array := Shared.Packages.Table (Pkg).Decl.Arrays;
else
The_Array := Project.Decl.Arrays;
end if;
while The_Array /= No_Array
and then Shared.Arrays.Table (The_Array).Name /= Name
loop
The_Array := Shared.Arrays.Table (The_Array).Next;
end loop;
-- If the array cannot be found, create a new entry in the list.
-- As The_Array_Element is initialized to No_Array_Element, a new
-- element will be created automatically later
if The_Array = No_Array then
Array_Table.Increment_Last (Shared.Arrays);
The_Array := Array_Table.Last (Shared.Arrays);
if Pkg /= No_Package then
Shared.Arrays.Table (The_Array) :=
(Name => Name,
Location => Current_Location,
Value => No_Array_Element,
Next => Shared.Packages.Table (Pkg).Decl.Arrays);
Shared.Packages.Table (Pkg).Decl.Arrays := The_Array;
else
Shared.Arrays.Table (The_Array) :=
(Name => Name,
Location => Current_Location,
Value => No_Array_Element,
Next => Project.Decl.Arrays);
Project.Decl.Arrays := The_Array;
end if;
else
Elem := Shared.Arrays.Table (The_Array).Value;
end if;
-- Look in the list, if any, to find an element with the same index
-- and same source index.
while Elem /= No_Array_Element
and then
(Shared.Array_Elements.Table (Elem).Index /= Index_Name
or else
Shared.Array_Elements.Table (Elem).Src_Index /= Source_Index)
loop
Elem := Shared.Array_Elements.Table (Elem).Next;
end loop;
-- If no such element were found, create a new one
-- and insert it in the element list, with the
-- proper value.
if Elem = No_Array_Element then
Array_Element_Table.Increment_Last (Shared.Array_Elements);
Elem := Array_Element_Table.Last (Shared.Array_Elements);
Shared.Array_Elements.Table
(Elem) :=
(Index => Index_Name,
Restricted => False,
Src_Index => Source_Index,
Index_Case_Sensitive =>
not Case_Insensitive (Current, Node_Tree),
Value => New_Value,
Next => Shared.Arrays.Table (The_Array).Value);
Shared.Arrays.Table (The_Array).Value := Elem;
else
-- An element with the same index already exists, just replace its
-- value with the new one.
Shared.Array_Elements.Table (Elem).Value := New_Value;
end if;
if Name = Snames.Name_External then
if In_Tree.Is_Root_Tree then
Add (Child_Env.External,
External_Name => Get_Name_String (Index_Name),
Value => Get_Name_String (New_Value.Value),
Source => From_External_Attribute);
Add (Env.External,
External_Name => Get_Name_String (Index_Name),
Value => Get_Name_String (New_Value.Value),
Source => From_External_Attribute,
Silent => True);
else
if Current_Verbosity = High then
Debug_Output
("'for External' has no effect except in root aggregate ("
& Get_Name_String (Index_Name) & ")", New_Value.Value);
end if;
end if;
end if;
end Process_Expression_For_Associative_Array;
--------------------------------------
-- Process_Expression_Variable_Decl --
--------------------------------------
procedure Process_Expression_Variable_Decl
(Current_Item : Project_Node_Id;
New_Value : Variable_Value)
is
Name : constant Name_Id := Name_Of (Current_Item, Node_Tree);
Is_Attribute : constant Boolean :=
Kind_Of (Current_Item, Node_Tree) =
N_Attribute_Declaration;
Var : Variable_Id := No_Variable;
begin
-- First, find the list where to find the variable or attribute
if Is_Attribute then
if Pkg /= No_Package then
Var := Shared.Packages.Table (Pkg).Decl.Attributes;
else
Var := Project.Decl.Attributes;
end if;
else
if Pkg /= No_Package then
Var := Shared.Packages.Table (Pkg).Decl.Variables;
else
Var := Project.Decl.Variables;
end if;
end if;
-- Loop through the list, to find if it has already been declared
while Var /= No_Variable
and then Shared.Variable_Elements.Table (Var).Name /= Name
loop
Var := Shared.Variable_Elements.Table (Var).Next;
end loop;
-- If it has not been declared, create a new entry in the list
if Var = No_Variable then
-- All single string attribute should already have been declared
-- with a default empty string value.
pragma Assert
(not Is_Attribute,
"illegal attribute declaration for " & Get_Name_String (Name));
Variable_Element_Table.Increment_Last (Shared.Variable_Elements);
Var := Variable_Element_Table.Last (Shared.Variable_Elements);
-- Put the new variable in the appropriate list
if Pkg /= No_Package then
Shared.Variable_Elements.Table (Var) :=
(Next => Shared.Packages.Table (Pkg).Decl.Variables,
Name => Name,
Value => New_Value);
Shared.Packages.Table (Pkg).Decl.Variables := Var;
else
Shared.Variable_Elements.Table (Var) :=
(Next => Project.Decl.Variables,
Name => Name,
Value => New_Value);
Project.Decl.Variables := Var;
end if;
-- If the variable/attribute has already been declared, just
-- change the value.
else
Shared.Variable_Elements.Table (Var).Value := New_Value;
end if;
if Is_Attribute and then Name = Snames.Name_Project_Path then
if In_Tree.Is_Root_Tree then
declare
Val : String_List_Id := New_Value.Values;
List : Name_Ids.Vector;
begin
-- Get all values
while Val /= Nil_String loop
List.Prepend
(Shared.String_Elements.Table (Val).Value);
Val := Shared.String_Elements.Table (Val).Next;
end loop;
-- Prepend them in the order found in the attribute
for K in Positive range 1 .. Positive (List.Length) loop
Prj.Env.Add_Directories
(Child_Env.Project_Path,
Normalize_Pathname
(Name => Get_Name_String
(List.Element (K)),
Directory => Get_Name_String
(Project.Directory.Display_Name)),
Prepend => True);
end loop;
end;
else
if Current_Verbosity = High then
Debug_Output
("'for Project_Path' has no effect except in"
& " root aggregate");
end if;
end if;
end if;
end Process_Expression_Variable_Decl;
------------------------
-- Process_Expression --
------------------------
procedure Process_Expression (Current : Project_Node_Id) is
New_Value : Variable_Value :=
Expression
(Project => Project,
Shared => Shared,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => Node_Tree,
Env => Env,
Pkg => Pkg,
First_Term =>
Tree.First_Term
(Expression_Of (Current, Node_Tree), Node_Tree),
Kind =>
Expression_Kind_Of (Current, Node_Tree));
begin
-- Process a typed variable declaration
if Kind_Of (Current, Node_Tree) = N_Typed_Variable_Declaration then
Check_Or_Set_Typed_Variable (New_Value, Current);
end if;
if Kind_Of (Current, Node_Tree) /= N_Attribute_Declaration
or else Associative_Array_Index_Of (Current, Node_Tree) = No_Name
then
Process_Expression_Variable_Decl (Current, New_Value);
else
Process_Expression_For_Associative_Array (Current, New_Value);
end if;
end Process_Expression;
-----------------------------------
-- Process_Attribute_Declaration --
-----------------------------------
procedure Process_Attribute_Declaration (Current : Project_Node_Id) is
begin
if Expression_Of (Current, Node_Tree) = Empty_Node then
Process_Associative_Array (Current);
else
Process_Expression (Current);
end if;
end Process_Attribute_Declaration;
-------------------------------
-- Process_Case_Construction --
-------------------------------
procedure Process_Case_Construction
(Current_Item : Project_Node_Id)
is
The_Project : Project_Id := Project;
-- The id of the project of the case variable
The_Package : Package_Id := Pkg;
-- The id of the package, if any, of the case variable
The_Variable : Variable_Value := Nil_Variable_Value;
-- The case variable
Case_Value : Name_Id := No_Name;
-- The case variable value
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,
Node_Tree);
Var_Id : Variable_Id := No_Variable;
Name : Name_Id := No_Name;
begin
-- If a project was specified for the case variable, get its id
if Present (Project_Node_Of (Variable_Node, Node_Tree)) then
Name :=
Name_Of
(Project_Node_Of (Variable_Node, Node_Tree), Node_Tree);
The_Project :=
Imported_Or_Extended_Project_From
(Project, Name, No_Extending => True);
The_Package := No_Package;
end if;
-- If a package was specified for the case variable, get its id
if Present (Package_Node_Of (Variable_Node, Node_Tree)) then
Name :=
Name_Of
(Package_Node_Of (Variable_Node, Node_Tree), Node_Tree);
The_Package := Package_From (The_Project, Shared, Name);
end if;
Name := Name_Of (Variable_Node, Node_Tree);
-- First, look for the case variable into the package, if any
if The_Package /= No_Package then
Name := Name_Of (Variable_Node, Node_Tree);
Var_Id := Shared.Packages.Table (The_Package).Decl.Variables;
while Var_Id /= No_Variable
and then Shared.Variable_Elements.Table (Var_Id).Name /= Name
loop
Var_Id := Shared.Variable_Elements.Table (Var_Id).Next;
end loop;
end if;
-- If not found in the package, or if there is no package, look at
-- the project level.
if Var_Id = No_Variable
and then No (Package_Node_Of (Variable_Node, Node_Tree))
then
Var_Id := The_Project.Decl.Variables;
while Var_Id /= No_Variable
and then Shared.Variable_Elements.Table (Var_Id).Name /= Name
loop
Var_Id := Shared.Variable_Elements.Table (Var_Id).Next;
end loop;
end if;
if Var_Id = No_Variable then
if Node_Tree.Incomplete_With then
return;
-- Should never happen, because this has already been checked
-- during parsing.
else
Write_Line
("variable """ & Get_Name_String (Name) & """ not found");
raise Program_Error;
end if;
end if;
-- Get the case variable
The_Variable := Shared.Variable_Elements. Table (Var_Id).Value;
if The_Variable.Kind /= Single then
-- Should never happen, because this has already been checked
-- during parsing.
Write_Line ("variable""" & Get_Name_String (Name) &
""" is not a single string variable");
raise Program_Error;
end if;
-- Get the case variable value
Case_Value := The_Variable.Value;
end;
-- Now look into all the case items of the case construction
Case_Item := First_Case_Item_Of (Current_Item, Node_Tree);
Case_Item_Loop :
while Present (Case_Item) loop
Choice_String := First_Choice_Of (Case_Item, Node_Tree);
-- When Choice_String is nil, it means that it is the
-- "when others =>" alternative.
if No (Choice_String) then
Decl_Item := First_Declarative_Item_Of (Case_Item, Node_Tree);
exit Case_Item_Loop;
end if;
-- Look into all the alternative of this case item
Choice_Loop :
while Present (Choice_String) loop
if Case_Value = String_Value_Of (Choice_String, Node_Tree) then
Decl_Item :=
First_Declarative_Item_Of (Case_Item, Node_Tree);
exit Case_Item_Loop;
end if;
Choice_String := Next_Literal_String (Choice_String, Node_Tree);
end loop Choice_Loop;
Case_Item := Next_Case_Item (Case_Item, Node_Tree);
end loop Case_Item_Loop;
-- If there is an alternative, then we process it
if Present (Decl_Item) then
Process_Declarative_Items
(Project => Project,
In_Tree => In_Tree,
From_Project_Node => From_Project_Node,
Node_Tree => Node_Tree,
Env => Env,
Pkg => Pkg,
Item => Decl_Item,
Child_Env => Child_Env);
end if;
end Process_Case_Construction;
-- Local variables
Current, Decl : Project_Node_Id;
Kind : Project_Node_Kind;
-- Start of processing for Process_Declarative_Items
begin
Decl := Item;
while Present (Decl) loop
Current := Current_Item_Node (Decl, Node_Tree);
Decl := Next_Declarative_Item (Decl, Node_Tree);
Kind := Kind_Of (Current, Node_Tree);
case Kind is
when N_Package_Declaration =>
Process_Package_Declaration (Current);
-- Nothing to process for string type declaration
when N_String_Type_Declaration =>
null;
when N_Attribute_Declaration |
N_Typed_Variable_Declaration |
N_Variable_Declaration =>
Process_Attribute_Declaration (Current);
when N_Case_Construction =>
Process_Case_Construction (Current);
when others =>
Write_Line ("Illegal declarative item: " & Kind'Img);
raise Program_Error;
end case;
end loop;
end Process_Declarative_Items;
----------------------------------
-- Process_Project_Tree_Phase_1 --
----------------------------------
procedure Process_Project_Tree_Phase_1
(In_Tree : Project_Tree_Ref;
Project : out Project_Id;
Packages_To_Check : String_List_Access;
Success : out Boolean;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : in out Prj.Tree.Environment;
Reset_Tree : Boolean := True;
On_New_Tree_Loaded : Tree_Loaded_Callback := null)
is
begin
if Reset_Tree then
-- Make sure there are no projects in the data structure
Free_List (In_Tree.Projects, Free_Project => True);
end if;
Processed_Projects.Reset;
-- And process the main project and all of the projects it depends on,
-- recursively.
Debug_Increase_Indent ("Process tree, phase 1");
Recursive_Process
(Project => Project,
In_Tree => In_Tree,
Packages_To_Check => Packages_To_Check,
From_Project_Node => From_Project_Node,
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Extended_By => No_Project,
From_Encapsulated_Lib => False,
On_New_Tree_Loaded => On_New_Tree_Loaded);
Success :=
Total_Errors_Detected = 0
and then
(Warning_Mode /= Treat_As_Error or else Warnings_Detected = 0);
if Current_Verbosity = High then
Debug_Decrease_Indent
("Done Process tree, phase 1, Success=" & Success'Img);
end if;
end Process_Project_Tree_Phase_1;
----------------------------------
-- Process_Project_Tree_Phase_2 --
----------------------------------
procedure Process_Project_Tree_Phase_2
(In_Tree : Project_Tree_Ref;
Project : Project_Id;
Success : out Boolean;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : Environment)
is
Obj_Dir : Path_Name_Type;
Extending : Project_Id;
Extending2 : Project_Id;
Prj : Project_List;
-- Start of processing for Process_Project_Tree_Phase_2
begin
Success := True;
Debug_Increase_Indent ("Process tree, phase 2", Project.Name);
if Project /= No_Project then
Check (In_Tree, Project, From_Project_Node_Tree, Env.Flags);
end if;
-- If main project is an extending all project, set object directory of
-- all virtual extending projects to object directory of main project.
if Project /= No_Project
and then Is_Extending_All (From_Project_Node, From_Project_Node_Tree)
then
declare
Object_Dir : constant Path_Information := Project.Object_Directory;
begin
Prj := In_Tree.Projects;
while Prj /= null loop
if Prj.Project.Virtual then
Prj.Project.Object_Directory := Object_Dir;
end if;
Prj := Prj.Next;
end loop;
end;
end if;
-- Check that no extending project shares its object directory with
-- the project(s) it extends.
if Project /= No_Project then
Prj := In_Tree.Projects;
while Prj /= null loop
Extending := Prj.Project.Extended_By;
if Extending /= No_Project then
Obj_Dir := Prj.Project.Object_Directory.Name;
-- Check that a project being extended does not share its
-- object directory with any project that extends it, directly
-- or indirectly, including a virtual extending project.
-- Start with the project directly extending it
Extending2 := Extending;
while Extending2 /= No_Project loop
if Has_Ada_Sources (Extending2)
and then Extending2.Object_Directory.Name = Obj_Dir
then
if Extending2.Virtual then
Error_Msg_Name_1 := Prj.Project.Display_Name;
Error_Msg
(Env.Flags,
"project %% cannot be extended by a virtual" &
" project with the same object directory",
Prj.Project.Location, Project);
else
Error_Msg_Name_1 := Extending2.Display_Name;
Error_Msg_Name_2 := Prj.Project.Display_Name;
Error_Msg
(Env.Flags,
"project %% cannot extend project %%",
Extending2.Location, Project);
Error_Msg
(Env.Flags,
"\they share the same object directory",
Extending2.Location, Project);
end if;
end if;
-- Continue with the next extending project, if any
Extending2 := Extending2.Extended_By;
end loop;
end if;
Prj := Prj.Next;
end loop;
end if;
Debug_Decrease_Indent ("Done Process tree, phase 2");
Success := Total_Errors_Detected = 0
and then
(Warning_Mode /= Treat_As_Error or else Warnings_Detected = 0);
end Process_Project_Tree_Phase_2;
-----------------------
-- Recursive_Process --
-----------------------
procedure Recursive_Process
(In_Tree : Project_Tree_Ref;
Project : out Project_Id;
Packages_To_Check : String_List_Access;
From_Project_Node : Project_Node_Id;
From_Project_Node_Tree : Project_Node_Tree_Ref;
Env : in out Prj.Tree.Environment;
Extended_By : Project_Id;
From_Encapsulated_Lib : Boolean;
On_New_Tree_Loaded : Tree_Loaded_Callback := null)
is
Shared : constant Shared_Project_Tree_Data_Access := In_Tree.Shared;
Child_Env : Prj.Tree.Environment;
-- Only used for the root aggregate project (if any). This is left
-- uninitialized otherwise.
procedure Process_Imported_Projects
(Imported : in out Project_List;
Limited_With : Boolean);
-- Process imported projects. If Limited_With is True, then only
-- projects processed through a "limited with" are processed, otherwise
-- only projects imported through a standard "with" are processed.
-- Imported is the id of the last imported project.
procedure Process_Aggregated_Projects;
-- Process all the projects aggregated in List. This does nothing if the
-- project is not an aggregate project.
procedure Process_Extended_Project;
-- Process the extended project: inherit all packages from the extended
-- project that are not explicitly defined or renamed. Also inherit the
-- languages, if attribute Languages is not explicitly defined.
-------------------------------
-- Process_Imported_Projects --
-------------------------------
procedure Process_Imported_Projects
(Imported : in out Project_List;
Limited_With : Boolean)
is
With_Clause : Project_Node_Id;
New_Project : Project_Id;
Proj_Node : Project_Node_Id;
begin
With_Clause :=
First_With_Clause_Of
(From_Project_Node, From_Project_Node_Tree);
while Present (With_Clause) loop
Proj_Node :=
Non_Limited_Project_Node_Of
(With_Clause, From_Project_Node_Tree);
New_Project := No_Project;
if (Limited_With and then No (Proj_Node))
or else (not Limited_With and then Present (Proj_Node))
then
Recursive_Process
(In_Tree => In_Tree,
Project => New_Project,
Packages_To_Check => Packages_To_Check,
From_Project_Node =>
Project_Node_Of (With_Clause, From_Project_Node_Tree),
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Extended_By => No_Project,
From_Encapsulated_Lib => From_Encapsulated_Lib,
On_New_Tree_Loaded => On_New_Tree_Loaded);
if Imported = null then
Project.Imported_Projects := new Project_List_Element'
(Project => New_Project,
From_Encapsulated_Lib => False,
Next => null);
Imported := Project.Imported_Projects;
else
Imported.Next := new Project_List_Element'
(Project => New_Project,
From_Encapsulated_Lib => False,
Next => null);
Imported := Imported.Next;
end if;
end if;
With_Clause :=
Next_With_Clause_Of (With_Clause, From_Project_Node_Tree);
end loop;
end Process_Imported_Projects;
---------------------------------
-- Process_Aggregated_Projects --
---------------------------------
procedure Process_Aggregated_Projects is
List : Aggregated_Project_List;
Loaded_Project : Prj.Tree.Project_Node_Id;
Success : Boolean := True;
Tree : Project_Tree_Ref;
Node_Tree : Project_Node_Tree_Ref;
begin
if Project.Qualifier not in Aggregate_Project then
return;
end if;
Debug_Increase_Indent ("Process_Aggregated_Projects", Project.Name);
Prj.Nmsc.Process_Aggregated_Projects
(Tree => In_Tree,
Project => Project,
Node_Tree => From_Project_Node_Tree,
Flags => Env.Flags);
List := Project.Aggregated_Projects;
while Success and then List /= null loop
Node_Tree := new Project_Node_Tree_Data;
Initialize (Node_Tree);
Prj.Part.Parse
(In_Tree => Node_Tree,
Project => Loaded_Project,
Packages_To_Check => Packages_To_Check,
Project_File_Name => Get_Name_String (List.Path),
Errout_Handling => Prj.Part.Never_Finalize,
Current_Directory => Get_Name_String (Project.Directory.Name),
Is_Config_File => False,
Env => Child_Env);
Success := not Prj.Tree.No (Loaded_Project);
if Success then
if Node_Tree.Incomplete_With then
From_Project_Node_Tree.Incomplete_With := True;
end if;
List.Tree := new Project_Tree_Data (Is_Root_Tree => False);
Prj.Initialize (List.Tree);
List.Tree.Shared := In_Tree.Shared;
-- In aggregate library, aggregated projects are parsed using
-- the aggregate library tree.
if Project.Qualifier = Aggregate_Library then
Tree := In_Tree;
else
Tree := List.Tree;
end if;
-- We can only do the phase 1 of the processing, since we do
-- not have access to the configuration file yet (this is
-- called when doing phase 1 of the processing for the root
-- aggregate project).
if In_Tree.Is_Root_Tree then
Process_Project_Tree_Phase_1
(In_Tree => Tree,
Project => List.Project,
Packages_To_Check => Packages_To_Check,
Success => Success,
From_Project_Node => Loaded_Project,
From_Project_Node_Tree => Node_Tree,
Env => Child_Env,
Reset_Tree => False,
On_New_Tree_Loaded => On_New_Tree_Loaded);
else
-- use the same environment as the rest of the aggregated
-- projects, ie the one that was setup by the root aggregate
Process_Project_Tree_Phase_1
(In_Tree => Tree,
Project => List.Project,
Packages_To_Check => Packages_To_Check,
Success => Success,
From_Project_Node => Loaded_Project,
From_Project_Node_Tree => Node_Tree,
Env => Env,
Reset_Tree => False,
On_New_Tree_Loaded => On_New_Tree_Loaded);
end if;
if On_New_Tree_Loaded /= null then
On_New_Tree_Loaded
(Node_Tree, Tree, Loaded_Project, List.Project);
end if;
else
Debug_Output ("Failed to parse", Name_Id (List.Path));
end if;
List := List.Next;
end loop;
Debug_Decrease_Indent ("Done Process_Aggregated_Projects");
end Process_Aggregated_Projects;
------------------------------
-- Process_Extended_Project --
------------------------------
procedure Process_Extended_Project is
Extended_Pkg : Package_Id;
Current_Pkg : Package_Id;
Element : Package_Element;
First : constant Package_Id := Project.Decl.Packages;
Attribute1 : Variable_Id;
Attribute2 : Variable_Id;
Attr_Value1 : Variable;
Attr_Value2 : Variable;
begin
Extended_Pkg := Project.Extends.Decl.Packages;
while Extended_Pkg /= No_Package loop
Element := Shared.Packages.Table (Extended_Pkg);
Current_Pkg := First;
while Current_Pkg /= No_Package
and then
Shared.Packages.Table (Current_Pkg).Name /= Element.Name
loop
Current_Pkg := Shared.Packages.Table (Current_Pkg).Next;
end loop;
if Current_Pkg = No_Package then
Package_Table.Increment_Last (Shared.Packages);
Current_Pkg := Package_Table.Last (Shared.Packages);
Shared.Packages.Table (Current_Pkg) :=
(Name => Element.Name,
Decl => No_Declarations,
Parent => No_Package,
Next => Project.Decl.Packages);
Project.Decl.Packages := Current_Pkg;
Copy_Package_Declarations
(From => Element.Decl,
To => Shared.Packages.Table (Current_Pkg).Decl,
New_Loc => No_Location,
Restricted => True,
Shared => Shared);
end if;
Extended_Pkg := Element.Next;
end loop;
-- Check if attribute Languages is declared in the extending project
Attribute1 := Project.Decl.Attributes;
while Attribute1 /= No_Variable loop
Attr_Value1 := Shared.Variable_Elements. Table (Attribute1);
exit when Attr_Value1.Name = Snames.Name_Languages;
Attribute1 := Attr_Value1.Next;
end loop;
if Attribute1 = No_Variable or else Attr_Value1.Value.Default then
-- Attribute Languages is not declared in the extending project.
-- Check if it is declared in the project being extended.
Attribute2 := Project.Extends.Decl.Attributes;
while Attribute2 /= No_Variable loop
Attr_Value2 := Shared.Variable_Elements.Table (Attribute2);
exit when Attr_Value2.Name = Snames.Name_Languages;
Attribute2 := Attr_Value2.Next;
end loop;
if Attribute2 /= No_Variable
and then not Attr_Value2.Value.Default
then
-- As attribute Languages is declared in the project being
-- extended, copy its value for the extending project.
if Attribute1 = No_Variable then
Variable_Element_Table.Increment_Last
(Shared.Variable_Elements);
Attribute1 := Variable_Element_Table.Last
(Shared.Variable_Elements);
Attr_Value1.Next := Project.Decl.Attributes;
Project.Decl.Attributes := Attribute1;
end if;
Attr_Value1.Name := Snames.Name_Languages;
Attr_Value1.Value := Attr_Value2.Value;
Shared.Variable_Elements.Table (Attribute1) := Attr_Value1;
end if;
end if;
end Process_Extended_Project;
-- Start of processing for Recursive_Process
begin
if No (From_Project_Node) then
Project := No_Project;
else
declare
Imported, Mark : Project_List;
Declaration_Node : Project_Node_Id := Empty_Node;
Name : constant Name_Id :=
Name_Of (From_Project_Node, From_Project_Node_Tree);
Display_Name : constant Name_Id :=
Display_Name_Of
(From_Project_Node, From_Project_Node_Tree);
begin
Project := Processed_Projects.Get (Name);
if Project /= No_Project then
-- Make sure that, when a project is extended, the project id
-- of the project extending it is recorded in its data, even
-- when it has already been processed as an imported project.
-- This is for virtually extended projects.
if Extended_By /= No_Project then
Project.Extended_By := Extended_By;
end if;
return;
end if;
-- Check if the project is already in the tree
Project := No_Project;
declare
List : Project_List := In_Tree.Projects;
Path : constant Path_Name_Type :=
Path_Name_Of (From_Project_Node,
From_Project_Node_Tree);
begin
while List /= null loop
if List.Project.Path.Display_Name = Path then
Project := List.Project;
exit;
end if;
List := List.Next;
end loop;
end;
if Project = No_Project then
Project :=
new Project_Data'
(Empty_Project
(Project_Qualifier_Of
(From_Project_Node, From_Project_Node_Tree)));
-- Note that at this point we do not know yet if the project
-- has been withed from an encapsulated library or not.
In_Tree.Projects :=
new Project_List_Element'
(Project => Project,
From_Encapsulated_Lib => False,
Next => In_Tree.Projects);
end if;
-- Keep track of this point
Mark := In_Tree.Projects;
Processed_Projects.Set (Name, Project);
Project.Name := Name;
Project.Display_Name := Display_Name;
Get_Name_String (Name);
-- If name starts with the virtual prefix, flag the project as
-- being a virtual extending project.
if Name_Len > Virtual_Prefix'Length
and then
Name_Buffer (1 .. Virtual_Prefix'Length) = Virtual_Prefix
then
Project.Virtual := True;
end if;
Project.Path.Display_Name :=
Path_Name_Of (From_Project_Node, From_Project_Node_Tree);
Get_Name_String (Project.Path.Display_Name);
Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len));
Project.Path.Name := Name_Find;
Project.Location :=
Location_Of (From_Project_Node, From_Project_Node_Tree);
Project.Directory.Display_Name :=
Directory_Of (From_Project_Node, From_Project_Node_Tree);
Get_Name_String (Project.Directory.Display_Name);
Canonical_Case_File_Name (Name_Buffer (1 .. Name_Len));
Project.Directory.Name := Name_Find;
Project.Extended_By := Extended_By;
Add_Attributes
(Project,
Name,
Name_Id (Project.Directory.Display_Name),
In_Tree.Shared,
Project.Decl,
Prj.Attr.Attribute_First,
Project_Level => True);
Process_Imported_Projects (Imported, Limited_With => False);
if Project.Qualifier = Aggregate then
Initialize_And_Copy (Child_Env, Copy_From => Env);
elsif Project.Qualifier = Aggregate_Library then
-- The child environment is the same as the current one
Child_Env := Env;
else
-- No need to initialize Child_Env, since it will not be
-- used anyway by Process_Declarative_Items (only the root
-- aggregate can modify it, and it is never read anyway).
null;
end if;
Declaration_Node :=
Project_Declaration_Of
(From_Project_Node, From_Project_Node_Tree);
Recursive_Process
(In_Tree => In_Tree,
Project => Project.Extends,
Packages_To_Check => Packages_To_Check,
From_Project_Node =>
Extended_Project_Of
(Declaration_Node, From_Project_Node_Tree),
From_Project_Node_Tree => From_Project_Node_Tree,
Env => Env,
Extended_By => Project,
From_Encapsulated_Lib => From_Encapsulated_Lib,
On_New_Tree_Loaded => On_New_Tree_Loaded);
Process_Declarative_Items
(Project => Project,
In_Tree => In_Tree,
From_Project_Node => From_Project_Node,
Node_Tree => From_Project_Node_Tree,
Env => Env,
Pkg => No_Package,
Item => First_Declarative_Item_Of
(Declaration_Node, From_Project_Node_Tree),
Child_Env => Child_Env);
if Project.Extends /= No_Project then
Process_Extended_Project;
end if;
Process_Imported_Projects (Imported, Limited_With => True);
if Total_Errors_Detected = 0 then
Process_Aggregated_Projects;
end if;
-- At this point (after Process_Declarative_Items) we have the
-- attribute values set, we can backtrace In_Tree.Project and
-- set the From_Encapsulated_Library status.
declare
Lib_Standalone : constant Prj.Variable_Value :=
Prj.Util.Value_Of
(Snames.Name_Library_Standalone,
Project.Decl.Attributes,
Shared);
List : Project_List := In_Tree.Projects;
Is_Encapsulated : Boolean;
begin
Get_Name_String (Lib_Standalone.Value);
To_Lower (Name_Buffer (1 .. Name_Len));
Is_Encapsulated := Name_Buffer (1 .. Name_Len) = "encapsulated";
if Is_Encapsulated then
while List /= null and then List /= Mark loop
List.From_Encapsulated_Lib := Is_Encapsulated;
List := List.Next;
end loop;
end if;
if Total_Errors_Detected = 0 then
-- For an aggregate library we add the aggregated projects
-- as imported ones. This is necessary to give visibility
-- to all sources from the aggregates from the aggregated
-- library projects.
if Project.Qualifier = Aggregate_Library then
declare
L : Aggregated_Project_List;
begin
L := Project.Aggregated_Projects;
while L /= null loop
Project.Imported_Projects :=
new Project_List_Element'
(Project => L.Project,
From_Encapsulated_Lib => Is_Encapsulated,
Next =>
Project.Imported_Projects);
L := L.Next;
end loop;
end;
end if;
end if;
end;
if Project.Qualifier = Aggregate and then In_Tree.Is_Root_Tree then
Free (Child_Env);
end if;
end;
end if;
end Recursive_Process;
-----------------------------
-- Set_Default_Runtime_For --
-----------------------------
procedure Set_Default_Runtime_For (Language : Name_Id; Value : String) is
begin
Name_Len := Value'Length;
Name_Buffer (1 .. Name_Len) := Value;
Runtime_Defaults.Set (Language, Name_Find);
end Set_Default_Runtime_For;
end Prj.Proc;
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