/usr/share/ada/adainclude/gnatcoll/gnatcoll-projects-normalize.adb is in libgnatcoll1.6-dev 1.6gpl2014-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- G N A T C O L L --
-- --
-- Copyright (C) 2002-2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Exceptions; use Ada.Exceptions;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with Ada.Strings.Maps; use Ada.Strings.Maps;
with Ada.Unchecked_Deallocation;
with GNAT.Case_Util; use GNAT.Case_Util;
with GNATCOLL.Traces; use GNATCOLL.Traces;
with GNATCOLL.Utils; use GNATCOLL.Utils;
with GNATCOLL.VFS; use GNATCOLL.VFS;
with GNATCOLL.VFS_Utils; use GNATCOLL.VFS_Utils;
with Namet; use Namet;
with Output; use Output;
pragma Warnings (Off);
pragma Warnings (Off, "*license of withed unit*");
with Prj.Com; use Prj.Com;
with Prj.Tree; use Prj, Prj.Tree;
pragma Warnings (On, "*license of withed unit*");
pragma Warnings (On);
with Snames;
with Types; use Types;
with GNAT.Strings; use GNAT.Strings;
package body GNATCOLL.Projects.Normalize is
Me : constant Trace_Handle := Create ("Prj_Normalize");
Exception_Handle : constant Trace_Handle :=
Create ("UNEXPECTED_EXCEPTION", Default => On);
type External_Variable_Value is record
Variable_Type : Prj.Tree.Project_Node_Id;
Variable_Name : Namet.Name_Id;
Variable_Value : Namet.Name_Id;
Negated : Boolean := False;
end record;
-- Description for one possible value of an external variable. Through an
-- array of such values, it is possible to reference multiple case items in
-- a case construction of a normalized project.
-- If Negated is True, then Variable_Name must not be Variable_Value for
-- the case item to match.
-- See the example in the description of External_Variable_Value_Array.
type External_Variable_Value_Array is array (Natural range <>) of
External_Variable_Value;
type External_Variable_Value_Array_Access is access
External_Variable_Value_Array;
-- Description for a case item (or a set of them).
-- The same variable name can appear multiple times in the array. In that
-- case, the value of the variable must match any of the choises for the
-- case item to match.
-- If a variable name exists in the case construction but not in the array,
-- then the variable can have any value.
--
-- As an example, given the following case construction:
-- case V1 is
-- when Val1 | Val2 =>
-- case V2 is
-- when Val2_1 => stmt1;
-- when others => stmt2;
-- end case;
-- when others =>
-- case V3 is
-- when V3_1 => stmt3;
-- when V3_2 => stmt4;
-- end V3;
-- end case;
--
-- Then stmt1 can be reach with an External_Variable_Value_Array equal to:
-- ((V1, Val1), (V1, Val2), (V2, Val2_1))
-- stmt2 can be reached with
-- ((V1, Val1), (V1, Val2), (V2, Val2_1, True))
-- stmt3 can be reached with
-- ((V1, Val1, True), (V1, Val2, True), (V3, V3_1))
-- Both stmt3 and stmt4 can be reached at the same time with
-- ((V1, Val1, True), (V1, Val2, True))
--
-- If there was at least one non-negated element in the array, then at
-- least one of the non-negated elements must be matched
procedure Free is new Ada.Unchecked_Deallocation
(External_Variable_Value_Array, External_Variable_Value_Array_Access);
type Project_Node_Array is array (Positive range <>) of Project_Node_Id;
type Project_Node_Array_Access is access Project_Node_Array;
procedure Free is new Ada.Unchecked_Deallocation
(Project_Node_Array, Project_Node_Array_Access);
No_Value : constant External_Variable_Value :=
(Variable_Type => Prj.Tree.Empty_Node,
Variable_Name => Namet.No_Name,
Variable_Value => Namet.No_Name,
Negated => False);
All_Case_Items : constant External_Variable_Value_Array (1 .. 0) :=
(others => No_Value);
function Clone_Project
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id) return Project_Node_Id;
-- Return a duplicate of Project and its declarations. We do not duplicate
-- declarative items.
-- The new project is not independent of the old one, since most of the
-- nodes are shared between the two for efficiency reasons.
procedure Add_Value
(To : in out External_Variable_Value_Array_Access;
Last : in out Natural;
V : External_Variable_Value);
-- Add V to the array To. To is reallocated as necessary.
-- Last is the index of the last item that was set in To.
function External_Variable_Name
(Tree : Project_Node_Tree_Ref;
Current_Project : Project_Node_Id;
Ref : Project_Node_Id) return Name_Id;
-- Return the name of the external variable referenced by Ref.
-- The declaration of the variable is looked in Current_Project, unless
-- another project is specified in the variable reference
--
-- Ref should be a N_Variable_Reference.
function Values_Matches
(Tree : Project_Node_Tree_Ref;
Var_Name : Name_Id;
Case_Item : Project_Node_Id;
Values : External_Variable_Value_Array) return Boolean;
-- Return True if (Var_Name, Var_Value) is valid with regards to Values
procedure Set_Uniq_Type_Name
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Var_Type : Project_Node_Id);
-- Set the name for the N_String_Type_Declaration Var_Type, so that it is
-- uniq in the project.
-- Var_Type shouldn't have been added to the project yet.
function Find_Node_By_Name
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Kind : Project_Node_Kind;
Name : Name_Id) return Project_Node_Id;
-- Find a node given its name
type Matching_Item_Callback is access
procedure (Item : Prj.Tree.Project_Node_Id);
-- A callback function called for each case item that matches a specific
-- set of values
procedure For_Each_Matching_Case_Item
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node;
Case_Construct : in out Prj.Tree.Project_Node_Id;
Values : External_Variable_Value_Array;
Action : Matching_Item_Callback);
-- Execute Action for all the case items in Project or Pkg that match
-- Values.
-- If no case item exists, Action is still called once on Project or Pkg
-- itself.
-- If Pkg is not the Empty_Node, then this subprogram only works on that
-- package. However, the project must still be specified so that the
-- declaration of the variables can be found.
-- If a variable is referenced in Values, but doesn't have an associated
-- case construction, a new case construction is added at the lowest level.
--
-- Case_Construct is a pointer to the case statement inside Pkg. It should
-- be the result of Find_Or_Create_Case_Statement.
--
-- Important: Project must have been normalized first, and it is
-- recommended to call Check_Case_Construction before
--
-- Action can be null, in which case a side effect of this subprogram is to
-- create the case constructs for the variables referenced in Values that
-- do not already have a case construct.
function Create_Case_Construction
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
External_Name : Name_Id;
Var_Type : Project_Node_Id) return Project_Node_Id;
-- Return a N_Case_Construction for the external variable Name.
-- The declaration for the variable itself is added at the beginning of the
-- project if no variable was found that already referenced Name.
procedure Add_Case_Item
(Tree : Prj.Tree.Project_Node_Tree_Ref;
Case_Node : Prj.Tree.Project_Node_Id;
Choice : Namet.Name_Id);
-- Create a new case item in case_node (which is associated with a
-- "case var is" statement
procedure Add_To_Case_Items
(Tree : Project_Node_Tree_Ref;
Case_Construction : Project_Node_Id;
Decl_List : Project_Node_Id);
-- Copy all the declarative items from Decl_List into each of the case
-- items of Case_Construction (at the beginning of each case item)
procedure Set_Expression
(Tree : Project_Node_Tree_Ref;
Var_Or_Attribute : Project_Node_Id;
Expr : Project_Node_Id);
-- Set Var as the expression to use for the value of Var. This
-- properly handles standard variables and variables defined through
-- references to external environment variables.
procedure Post_Process_After_Clone
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Pkg : Project_Node_Id := Empty_Node);
-- Post-process a project, and make sure that all the internal lists for
-- variables, packages, types,... are properly chained up, and that all the
-- variables reference a type declaration in Project (and not in some other
-- project), ...
-- On exit, Project is fully independent of whatever old project is was
-- created from.
function Find_Package_Declaration
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id; Name : Namet.Name_Id) return Project_Node_Id;
-- Return the package whose name is Name, or Empty_Node if there is none
function Find_Project_Of_Package
(Data : Project_Tree_Data_Access;
Project : Project_Type;
Pkg_Name : String) return Project_Type;
-- Return the id of the project that contains Pkg_Name. It will be
-- different from Project if the package declaration is a renaming of
-- another package.
function Find_Case_Statement
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node)
return Project_Node_Id;
-- Return the first case statement in Project/Pkg.
-- In a normalized project, this returns the only case statement that
-- exists in a package or project.
procedure Move_From_Common_To_Case_Construct
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Pkg : Project_Node_Id;
Case_Construct : in out Project_Node_Id;
Scenario_Variables : Scenario_Variable_Array;
Attribute_Name : Namet.Name_Id;
Attribute_Index : Namet.Name_Id := No_Name);
-- Move any declaration for the attribute from the common part of the
-- project into each branch of the nested case construct. Nothing is done
-- if there is no such declaration.
procedure Add_Node_To_List
(To : in out Project_Node_Array_Access;
Last : in out Natural;
Node : Project_Node_Id);
-- Add a new node into the list of nodes To.
-- To is resized as needed
procedure For_Each_Scenario_Case_Item
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node;
Case_Construct : in out Prj.Tree.Project_Node_Id;
Scenario_Variables : GNATCOLL.Projects.Scenario_Variable_Array;
Action : Matching_Item_Callback);
-- Same above, but it works directly for the current scenario (ie its gets
-- the value of the variables directly from the environment). For
-- efficiency, the list of scenario variables has to be provided as a
-- parameter.
-- Important: Project must have been normalized first, and it is
-- recommended to call Check_Case_Construction before
--
-- Case_Construct is a pointer to the case statement inside Pkg. It should
-- be the result of Find_Or_Create_Case_Statement.
--
-- Action can be null, in which case a side effect of this subprogram is to
-- create the nested case for all the scenario variables. All case items
-- are empty.
type Node_Callback is access procedure (Node : Project_Node_Id);
procedure For_Each_Directory_Node
(Tree : Project_Node_Tree_Ref;
Project : Project_Type;
Action : Node_Callback);
-- For each node that deals with a procedure, calls Action
function Attribute_Matches
(Tree : Project_Node_Tree_Ref;
Node : Project_Node_Id;
Attribute_Name : Name_Id;
Attribute_Index : Name_Id) return Boolean;
-- Return True if Node is an attribute declaration matching Attribute_Name
-- and Attribute_Index.
-- If Attribute_Index is Any_Attribute, no matching is done on the index.
function Find_Last_Declaration_Of
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Attr_Name : Namet.Name_Id;
Attr_Index : Namet.Name_Id := No_Name) return Project_Node_Id;
-- Find the last declaration for the attribute Attr_Name, in the
-- declarative list contained in Parent.
-- The returned value is the last such declaration, or Empty_Node if there
-- was none.
-- This returns the current item of the declarative item
procedure Remove_Attribute_Declarations
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Attribute_Name : Name_Id;
Attribute_Index : Name_Id);
-- Remove all declarations for Attribute_Name in the declarative item list
-- of Parent.
-- If Attribute_Index is Any_Attribute, no matching is done on the index.
type Set_Attribute_Callback is access procedure
(Tree_Node : Project_Node_Tree_Ref;
Project : Project_Type;
Attribute_Name : Name_Id;
Index_Id : Name_Id;
Previous_Decl : Project_Node_Id;
Case_Item : Project_Node_Id);
procedure Internal_Set_Attribute
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Attribute : String;
Scenario : Scenario_Variable_Array := All_Scenarios;
Index : String := "";
Callback : Set_Attribute_Callback);
-- Internal version of Set_Attribute
function String_As_Expression
(Value : Name_Id; Tree : Project_Node_Tree_Ref) return Project_Node_Id;
-- Return an N_Expression node that represents the static string Value.
-- ??? Could be implemented in terms of Concatenate.
function Get_All_Possible_Values
(Tree : Project_Node_Tree_Ref;
Variable : Project_Node_Id) return Name_Id_Array;
-- Return the list of all possible values for Variable
procedure Set_With_Clause_Path
(Tree : Project_Node_Tree_Ref;
With_Clause : Project_Node_Id;
Imported_Project_Location : Virtual_File;
Imported_Project : Project_Node_Id;
Importing_Project : Project_Node_Id;
Use_Relative_Path : Boolean;
Use_Base_Name : Boolean;
Limited_With : Boolean := False);
-- Set the attributes of the with_clause (imported project node, imported
-- project path,....)
procedure Remove_Node
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Node : Project_Node_Id);
-- Remove Node from the declaration list in Parent.
-- This doesn't search recursively inside nested packages, case
-- constructions, ...
procedure Remove_Variable_Declaration
(Tree : Project_Node_Tree_Ref;
Project_Or_Package : Project_Node_Id;
Declaration : Project_Node_Id);
-- Remove the variable declaration from the list of variables in
-- Project_Or_Package.
-----------------------------------
-- For_Each_Environment_Variable --
-----------------------------------
procedure For_Each_Environment_Variable
(Tree : Project_Node_Tree_Ref;
Root_Project : Project_Type;
Ext_Variable_Name : Name_Id;
Specific_Choice : Name_Id;
Action : Environment_Variable_Callback)
is
Variable_Nodes : Project_Node_Array_Access :=
new Project_Node_Array (1 .. 100);
Variable_Nodes_Last : Natural := Variable_Nodes'First - 1;
-- List of all the variables that reference Ext_Variable_Name
-- in the current project.
procedure Process_Expression
(Project : Project_Node_Id; Expression : Project_Node_Id);
-- Delete all references to the variable in Expr
procedure Recurse_In_Project
(Project : Project_Node_Id; Pkg_Or_Case_Item : Project_Node_Id);
-- Delete the scenario variable in a specific part of Root_Project
-- (either the project itself, if Pkg_Or_Case_Item is Empty_Node,
-- or a package or a case item.
function Is_Reference_To_Ext
(Node : Project_Node_Id) return Boolean;
-- Return True if Node is a reference (N_External_Value or
-- N_Variable_Reference) to the external variable Ext_Variable_Name.
-- Var_Declarations should contain the list of
-- N_Typed_Variable_Declaration nodes that refer to Ext_Variable_Name.
-------------------------
-- Is_Reference_To_Ext --
-------------------------
function Is_Reference_To_Ext
(Node : Project_Node_Id) return Boolean is
begin
case Kind_Of (Node, Tree) is
when N_External_Value =>
return String_Value_Of
(Prj.Tree.External_Reference_Of (Node, Tree), Tree) =
Ext_Variable_Name;
when N_Variable_Reference =>
for J in Variable_Nodes'First .. Variable_Nodes_Last loop
if Prj.Tree.Name_Of (Node, Tree) =
Prj.Tree.Name_Of (Variable_Nodes (J), Tree)
then
return True;
end if;
end loop;
return False;
when others =>
return False;
end case;
end Is_Reference_To_Ext;
------------------------
-- Process_Expression --
------------------------
procedure Process_Expression
(Project : Project_Node_Id; Expression : Project_Node_Id)
is
Expr : Project_Node_Id := Expression;
Term : Project_Node_Id;
begin
while Expr /= Empty_Node loop
Term := First_Term (Expr, Tree);
while Term /= Empty_Node loop
case Kind_Of (Current_Term (Term, Tree), Tree) is
-- Handles ("-g" & A, "-O2" & external ("A"))
when N_Literal_String_List =>
Process_Expression
(Project,
First_Expression_In_List
(Current_Term (Term, Tree), Tree));
-- Handles "-g" & external ("A")
-- Replace A by the constant string representing its value
when N_External_Value =>
if Is_Reference_To_Ext (Current_Term (Term, Tree)) then
Action (Project, Term, Current_Term (Term, Tree),
Empty_Node);
end if;
-- Handles "-g" & Var
-- Where Var is a reference to the external variable
when N_Variable_Reference =>
if Is_Reference_To_Ext (Current_Term (Term, Tree)) then
Action (Project, Term, Current_Term (Term, Tree),
Empty_Node);
end if;
when others =>
null;
end case;
Term := Next_Term (Term, Tree);
end loop;
Expr := Next_Expression_In_List (Expr, Tree);
end loop;
end Process_Expression;
------------------------
-- Recurse_In_Project --
------------------------
procedure Recurse_In_Project
(Project : Project_Node_Id; Pkg_Or_Case_Item : Project_Node_Id)
is
Decl, Current, Case_Item, Choice : Project_Node_Id;
Match : Boolean;
begin
if Pkg_Or_Case_Item /= Empty_Node then
Decl := First_Declarative_Item_Of (Pkg_Or_Case_Item, Tree);
else
Decl := First_Declarative_Item_Of
(Project_Declaration_Of (Project, Tree), Tree);
end if;
while Decl /= Empty_Node loop
Current := Current_Item_Node (Decl, Tree);
case Kind_Of (Current, Tree) is
when N_Typed_Variable_Declaration =>
if Is_External_Variable (Current, Tree)
and then
External_Reference_Of (Current, Tree) = Ext_Variable_Name
then
Add_Node_To_List
(Variable_Nodes, Variable_Nodes_Last, Current);
Action
(Project, Empty_Node, String_Type_Of (Current, Tree),
Empty_Node);
Action (Project, Decl, Current, Empty_Node);
end if;
Process_Expression (Project, Expression_Of (Current, Tree));
when N_Case_Construction =>
if Is_Reference_To_Ext
(Case_Variable_Reference_Of (Current, Tree))
then
Case_Item := First_Case_Item_Of (Current, Tree);
while Case_Item /= Empty_Node loop
Choice := First_Choice_Of (Case_Item, Tree);
-- If we have reached Empty_Node and nothing matched
-- before, then that is the case item we want to keep.
-- This corresponds to "when others"
Match := Choice = Empty_Node
or else Specific_Choice = No_Name;
if not Match then
while Choice /= Empty_Node loop
if String_Value_Of (Choice, Tree) =
Specific_Choice
then
Match := True;
exit;
end if;
Choice := Next_Literal_String (Choice, Tree);
end loop;
end if;
if Match then
Action (Project, Decl, Case_Item, Choice);
end if;
Recurse_In_Project (Project, Case_Item);
Case_Item := Next_Case_Item (Case_Item, Tree);
end loop;
else
Case_Item := First_Case_Item_Of (Current, Tree);
while Case_Item /= Empty_Node loop
Recurse_In_Project (Project, Case_Item);
Case_Item := Next_Case_Item (Case_Item, Tree);
end loop;
end if;
when N_Package_Declaration =>
Recurse_In_Project (Project, Current);
when N_Variable_Declaration
| N_Attribute_Declaration =>
Process_Expression (Project, Expression_Of (Current, Tree));
when others =>
null;
end case;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
end Recurse_In_Project;
Iter : Inner_Project_Iterator := Start (Root_Project);
begin
while Current (Iter) /= No_Project loop
Recurse_In_Project (Current (Iter).Node, Empty_Node);
Next (Iter);
end loop;
Free (Variable_Nodes);
end For_Each_Environment_Variable;
---------------------------------
-- Remove_Variable_Declaration --
---------------------------------
procedure Remove_Variable_Declaration
(Tree : Project_Node_Tree_Ref;
Project_Or_Package : Project_Node_Id;
Declaration : Project_Node_Id)
is
Tmp, Next : Project_Node_Id;
Pkg : Project_Node_Id := Project_Or_Package;
begin
while Pkg /= Empty_Node loop
Tmp := First_Variable_Of (Pkg, Tree);
if Tmp = Declaration then
Set_First_Variable_Of (Pkg, Tree, Next_Variable (Tmp, Tree));
return;
else
loop
Next := Next_Variable (Tmp, Tree);
exit when Next = Empty_Node;
if Next = Declaration then
Set_Next_Variable (Tmp, Tree, Next_Variable (Next, Tree));
return;
end if;
end loop;
end if;
if Kind_Of (Pkg, Tree) = N_Project then
Pkg := First_Package_Of (Pkg, Tree);
else
Pkg := Next_Package_In_Project (Pkg, Tree);
end if;
end loop;
Trace (Me, "Remove_Variable_Declaration: did not find the declaration"
& " for the variable");
end Remove_Variable_Declaration;
-----------------
-- Remove_Node --
-----------------
procedure Remove_Node
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Node : Project_Node_Id)
is
P : Project_Node_Id := Parent;
Decl, Next : Project_Node_Id;
begin
-- ??? Should reset the list of Variables and Types if the node matches
if Kind_Of (Parent, Tree) = N_Project then
P := Project_Declaration_Of (Parent, Tree);
end if;
Decl := First_Declarative_Item_Of (P, Tree);
if Current_Item_Node (Decl, Tree) = Node then
Set_First_Declarative_Item_Of
(P, Tree, Next_Declarative_Item (Decl, Tree));
end if;
while Decl /= Empty_Node loop
Next := Next_Declarative_Item (Decl, Tree);
if Next /= Empty_Node
and then Current_Item_Node (Next, Tree) = Node
then
Set_Next_Declarative_Item
(Decl, Tree, Next_Declarative_Item (Next, Tree));
exit;
end if;
Decl := Next;
end loop;
end Remove_Node;
-----------------------------
-- Get_All_Possible_Values --
-----------------------------
function Get_All_Possible_Values
(Tree : Project_Node_Tree_Ref;
Variable : Project_Node_Id) return Name_Id_Array
is
Choice : Project_Node_Id := First_Literal_String
(String_Type_Of (Variable, Tree), Tree);
Choices_Count : Natural := 0;
begin
while Choice /= Empty_Node loop
Choices_Count := Choices_Count + 1;
Choice := Next_Literal_String (Choice, Tree);
end loop;
declare
Choices : Name_Id_Array (1 .. Choices_Count);
Index : Natural := Choices'First;
begin
Choice := First_Literal_String
(String_Type_Of (Variable, Tree), Tree);
while Choice /= Empty_Node loop
Choices (Index) := String_Value_Of (Choice, Tree);
Index := Index + 1;
Choice := Next_Literal_String (Choice, Tree);
end loop;
return Choices;
end;
end Get_All_Possible_Values;
--------------------------
-- String_As_Expression --
--------------------------
function String_As_Expression
(Value : Name_Id; Tree : Project_Node_Tree_Ref) return Project_Node_Id is
begin
return Enclose_In_Expression (Create_Literal_String (Value, Tree), Tree);
end String_As_Expression;
-----------------------------------
-- Remove_Attribute_Declarations --
-----------------------------------
procedure Remove_Attribute_Declarations
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Attribute_Name : Name_Id;
Attribute_Index : Name_Id)
is
Decl : Project_Node_Id := First_Declarative_Item_Of (Parent, Tree);
Previous : Project_Node_Id := Empty_Node;
begin
while Decl /= Empty_Node loop
if Attribute_Matches
(Tree, Current_Item_Node (Decl, Tree),
Attribute_Name, Attribute_Index)
then
if Previous = Empty_Node then
Set_First_Declarative_Item_Of
(Parent, Tree, Next_Declarative_Item (Decl, Tree));
else
Set_Next_Declarative_Item
(Previous, Tree, Next_Declarative_Item (Decl, Tree));
end if;
else
Previous := Decl;
end if;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
end Remove_Attribute_Declarations;
------------------------------
-- Find_Last_Declaration_Of --
------------------------------
function Find_Last_Declaration_Of
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Attr_Name : Name_Id;
Attr_Index : Name_Id := No_Name) return Project_Node_Id
is
Decl, Expr : Project_Node_Id;
Result : Project_Node_Id := Empty_Node;
begin
Decl := First_Declarative_Item_Of (Parent, Tree);
while Decl /= Empty_Node loop
Expr := Current_Item_Node (Decl, Tree);
if Attribute_Matches (Tree, Expr, Attr_Name, Attr_Index) then
Result := Expr;
end if;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
return Result;
end Find_Last_Declaration_Of;
-----------------------
-- Attribute_Matches --
-----------------------
function Attribute_Matches
(Tree : Project_Node_Tree_Ref;
Node : Project_Node_Id;
Attribute_Name : Name_Id;
Attribute_Index : Name_Id) return Boolean is
begin
return Kind_Of (Node, Tree) = N_Attribute_Declaration
and then Prj.Tree.Name_Of (Node, Tree) = Attribute_Name
and then
(Attribute_Index = Get_String (Any_Attribute)
or else (Attribute_Index = No_Name
and then Associative_Array_Index_Of (Node, Tree) = No_Name)
or else (Attribute_Index /= No_Name
and then Associative_Array_Index_Of (Node, Tree) /= No_Name
and then Associative_Array_Index_Of (Node, Tree) =
Attribute_Index));
end Attribute_Matches;
---------------------------------
-- For_Each_Scenario_Case_Item --
---------------------------------
procedure For_Each_Scenario_Case_Item
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node;
Case_Construct : in out Prj.Tree.Project_Node_Id;
Scenario_Variables : Scenario_Variable_Array;
Action : Matching_Item_Callback)
is
Values : External_Variable_Value_Array (1 .. Scenario_Variables'Length);
Last_Values : Natural := Values'First - 1;
begin
for J in Scenario_Variables'Range loop
Last_Values := Last_Values + 1;
Values (Last_Values) := External_Variable_Value'
(Variable_Type => Scenario_Variables (J).String_Type,
Variable_Name => Scenario_Variables (J).Name,
Variable_Value => Scenario_Variables (J).Value,
Negated => False);
end loop;
For_Each_Matching_Case_Item
(Tree, Project, Pkg, Case_Construct, Values, Action);
end For_Each_Scenario_Case_Item;
----------------------
-- Add_Node_To_List --
----------------------
procedure Add_Node_To_List
(To : in out Project_Node_Array_Access;
Last : in out Natural;
Node : Project_Node_Id)
is
Old : Project_Node_Array_Access := To;
begin
if Last = To'Last then
To := new Project_Node_Array (1 .. Old'Last * 2);
To (1 .. Old'Length) := Old.all;
Free (Old);
end if;
Last := Last + 1;
To (Last) := Node;
end Add_Node_To_List;
------------------------------
-- Find_Package_Declaration --
------------------------------
function Find_Package_Declaration
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id; Name : Namet.Name_Id)
return Project_Node_Id is
begin
return Find_Node_By_Name (Tree, Project, N_Package_Declaration, Name);
end Find_Package_Declaration;
--------------------
-- Set_Expression --
--------------------
procedure Set_Expression
(Tree : Project_Node_Tree_Ref;
Var_Or_Attribute : Project_Node_Id;
Expr : Project_Node_Id)
is
E : Project_Node_Id;
begin
E := Expression_Of (Var_Or_Attribute, Tree);
if E = Empty_Node then
Set_Expression_Of (Var_Or_Attribute, Tree, Expr);
else
case Kind_Of (E, Tree) is
when N_Expression =>
Set_Expression_Of (Var_Or_Attribute, Tree, Expr);
when N_External_Value =>
Set_External_Default_Of (E, Tree, Expr);
when others =>
raise Program_Error;
end case;
end if;
end Set_Expression;
------------------------------
-- Post_Process_After_Clone --
------------------------------
procedure Post_Process_After_Clone
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Pkg : Project_Node_Id := Empty_Node)
is
Last_Var : Project_Node_Id := Empty_Node;
Last_Type : Project_Node_Id := Empty_Node;
Last_Package : Project_Node_Id := Empty_Node;
Decl_Item : Project_Node_Id;
Current_Node : Project_Node_Id;
begin
if Pkg = Empty_Node then
Decl_Item := First_Declarative_Item_Of
(Project_Declaration_Of (Project, Tree), Tree);
else
pragma Assert (Kind_Of (Pkg, Tree) = N_Package_Declaration);
Decl_Item := First_Declarative_Item_Of (Pkg, Tree);
end if;
while Decl_Item /= Empty_Node loop
Current_Node := Current_Item_Node (Decl_Item, Tree);
case Kind_Of (Current_Node, Tree) is
when N_Package_Declaration =>
if Last_Package /= Empty_Node then
Set_Next_Package_In_Project
(Last_Package, Tree, Current_Node);
Last_Package := Current_Node;
else
Last_Package := Current_Node;
Tree.Project_Nodes.Table (Project).Packages := Last_Package;
end if;
Post_Process_After_Clone (Tree, Project, Last_Package);
when N_Variable_Declaration | N_Typed_Variable_Declaration =>
if Last_Var /= Empty_Node then
Set_Next_Variable (Last_Var, Tree, Current_Node);
Set_Next_Variable (Current_Node, Tree, Empty_Node);
Last_Var := Current_Node;
else
Last_Var := Current_Node;
Set_Next_Variable (Last_Var, Tree, Empty_Node);
if Pkg /= Empty_Node then
Tree.Project_Nodes.Table (Pkg).Variables := Last_Var;
else
Tree.Project_Nodes.Table (Project).Variables := Last_Var;
end if;
end if;
-- Make sure that we do reference the type defined in the new
-- project, not in some older project
if Kind_Of (Current_Node, Tree) =
N_Typed_Variable_Declaration
then
Set_String_Type_Of
(Current_Node, Tree,
Find_Type_Declaration
(Tree,
Project,
Prj.Tree.Name_Of
(String_Type_Of (Current_Node, Tree), Tree)));
end if;
when N_Variable_Reference =>
if String_Type_Of (Current_Node, Tree) /= Empty_Node then
Set_String_Type_Of
(Current_Node, Tree,
Find_Type_Declaration
(Tree,
Project,
Prj.Tree.Name_Of (String_Type_Of (Current_Node, Tree),
Tree)));
end if;
if Package_Node_Of (Current_Node, Tree) /= Empty_Node then
Set_Package_Node_Of
(Current_Node, Tree,
Find_Package_Declaration
(Tree,
Project,
Prj.Tree.Name_Of (Package_Node_Of (Current_Node, Tree),
Tree)));
end if;
when N_Attribute_Reference =>
if Package_Node_Of (Current_Node, Tree) /= Empty_Node then
Set_Package_Node_Of
(Current_Node, Tree,
Find_Package_Declaration
(Tree,
Project,
Prj.Tree.Name_Of (Package_Node_Of (Current_Node, Tree),
Tree)));
end if;
when N_String_Type_Declaration =>
if Last_Type /= Empty_Node then
Set_Next_String_Type (Last_Type, Tree, Current_Node);
Last_Type := Current_Node;
else
Last_Type := Current_Node;
Set_First_String_Type_Of (Project, Tree, Last_Type);
end if;
when others =>
null;
end case;
Decl_Item := Next_Declarative_Item (Decl_Item, Tree);
end loop;
end Post_Process_After_Clone;
-----------------------
-- Add_To_Case_Items --
-----------------------
procedure Add_To_Case_Items
(Tree : Project_Node_Tree_Ref;
Case_Construction : Project_Node_Id;
Decl_List : Project_Node_Id)
is
Case_Item : Project_Node_Id;
begin
Case_Item := First_Case_Item_Of (Case_Construction, Tree);
while Case_Item /= Empty_Node loop
Add_In_Front (Tree, Case_Item, Clone_Node (Tree, Decl_List, True));
Case_Item := Next_Case_Item (Case_Item, Tree);
end loop;
end Add_To_Case_Items;
---------------------------
-- Create_Typed_Variable --
---------------------------
function Create_Typed_Variable
(Tree : Project_Node_Tree_Ref;
Prj_Or_Pkg : Project_Node_Id;
Name : String;
Typ : Project_Node_Id;
Add_Before_First_Case_Or_Pkg : Boolean := False) return Project_Node_Id
is
Node : constant Project_Node_Id :=
Default_Project_Node (Tree, N_Typed_Variable_Declaration, Prj.Single);
begin
Set_Name_Of (Node, Tree, Get_String (Name));
Set_String_Type_Of (Node, Tree, Typ);
Add_At_End (Tree, Prj_Or_Pkg, Node,
Add_Before_First_Pkg => Add_Before_First_Case_Or_Pkg,
Add_Before_First_Case => Add_Before_First_Case_Or_Pkg);
Set_Next_Variable (Node, Tree, First_Variable_Of (Prj_Or_Pkg, Tree));
Set_First_Variable_Of (Prj_Or_Pkg, Tree, Node);
return Node;
end Create_Typed_Variable;
-------------------
-- Add_Case_Item --
-------------------
procedure Add_Case_Item
(Tree : Project_Node_Tree_Ref;
Case_Node : Project_Node_Id;
Choice : Name_Id)
is
Item, S, In_List : Project_Node_Id;
begin
-- Add the new case item at the end of the list, so that the order of
-- items is the same as in the type declaration (H222-027)
Item := Default_Project_Node (Tree, N_Case_Item);
S := Default_Project_Node (Tree, N_Literal_String);
Set_String_Value_Of (S, Tree, Choice);
Set_First_Choice_Of (Item, Tree, S);
In_List := First_Case_Item_Of (Case_Node, Tree);
if In_List = Empty_Node then
Set_First_Case_Item_Of (Case_Node, Tree, Item);
else
while Next_Case_Item (In_List, Tree) /= Empty_Node loop
In_List := Next_Case_Item (In_List, Tree);
end loop;
Set_Next_Case_Item (In_List, Tree, Item);
end if;
end Add_Case_Item;
------------------
-- Add_In_Front --
------------------
procedure Add_In_Front
(Tree : Project_Node_Tree_Ref;
Parent : Project_Node_Id;
Node : Project_Node_Id)
is
Real_Parent : Project_Node_Id;
New_Decl, Decl : Project_Node_Id;
begin
if Kind_Of (Node, Tree) /= N_Declarative_Item then
New_Decl := Default_Project_Node (Tree, N_Declarative_Item);
Set_Current_Item_Node (New_Decl, Tree, Node);
else
New_Decl := Node;
end if;
if Kind_Of (Parent, Tree) = N_Project then
Real_Parent := Project_Declaration_Of (Parent, Tree);
else
Real_Parent := Parent;
end if;
Decl := New_Decl;
while Next_Declarative_Item (Decl, Tree) /= Empty_Node loop
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
Set_Next_Declarative_Item
(Decl, Tree, First_Declarative_Item_Of (Real_Parent, Tree));
Set_First_Declarative_Item_Of (Real_Parent, Tree, New_Decl);
end Add_In_Front;
-------------------------------
-- Create_Variable_Reference --
-------------------------------
function Create_Variable_Reference
(Tree : Project_Node_Tree_Ref; Var : Project_Node_Id)
return Project_Node_Id
is
Ref : Project_Node_Id;
begin
Assert (Me,
Kind_Of (Var, Tree) = N_Typed_Variable_Declaration
or else Kind_Of (Var, Tree) = N_Variable_Declaration,
"Create_Variable_Reference: unexpected node type "
& Kind_Of (Var, Tree)'Img);
Ref := Default_Project_Node (Tree, N_Variable_Reference);
Set_Name_Of (Ref, Tree, Prj.Tree.Name_Of (Var, Tree));
Set_Expression_Kind_Of (Ref, Tree, Expression_Kind_Of (Var, Tree));
if Kind_Of (Var, Tree) = N_Typed_Variable_Declaration then
Set_String_Type_Of (Ref, Tree, String_Type_Of (Var, Tree));
end if;
return Ref;
end Create_Variable_Reference;
---------------------------
-- Set_Value_As_External --
---------------------------
procedure Set_Value_As_External
(Tree : Project_Node_Tree_Ref;
Var : Project_Node_Id;
External_Name : String;
Default : String := "")
is
Ext : Project_Node_Id;
Str : Project_Node_Id;
begin
pragma Assert (Expression_Kind_Of (Var, Tree) = Prj.Single);
-- Create the expression if required
Ext := Default_Project_Node (Tree, N_External_Value, Single);
Set_Expression (Tree, Var, Enclose_In_Expression (Ext, Tree));
Str := Create_Literal_String (Get_String (External_Name), Tree);
Set_External_Reference_Of (Ext, Tree, Str);
if Default /= "" then
Str := Create_Literal_String (Get_String (Default), Tree);
Set_External_Default_Of (Ext, Tree, Str);
end if;
end Set_Value_As_External;
------------------------------
-- Create_Case_Construction --
------------------------------
function Create_Case_Construction
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
External_Name : Name_Id;
Var_Type : Project_Node_Id) return Project_Node_Id
is
Construct, Str : Project_Node_Id;
Item : Project_Node_Id := Empty_Node;
Ref : Name_Id;
Decl : Project_Node_Id;
New_Type : Project_Node_Id;
begin
-- Make sure there is a definition for this variable (and its type) at
-- the top-level of the project (not in a package nor in another
-- project).
-- This is required so that normalized projects might be standalone.
-- Check if there is already a definition for the variable, and if not
-- add it. Note: we do this before testing for the type, since we are
-- adding in front of the declarative items list.
-- We cannot use Project.Variables since the lists are not created
-- before the post-processing phase of the normalization.
Decl := First_Declarative_Item_Of
(Project_Declaration_Of (Project, Tree), Tree);
while Decl /= Empty_Node loop
Item := Current_Item_Node (Decl, Tree);
if Kind_Of (Item, Tree) = N_Typed_Variable_Declaration then
Ref := External_Reference_Of (Item, Tree);
exit when Ref /= No_Name and then Ref = External_Name;
end if;
Item := Empty_Node;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
-- If not, add the variable and its expression
if Item = Empty_Node then
Get_Name_String (External_Name);
Item := Create_Typed_Variable
(Tree, Project, Name_Buffer (1 .. Name_Len), Var_Type,
Add_Before_First_Case_Or_Pkg => True);
Set_Value_As_External (Tree, Item, Name_Buffer (1 .. Name_Len));
-- Make sure the type is only used for that variable, so that is can
-- be freely modified. If we already have a type by the same name,
-- find a new name.
New_Type := Clone_Node (Tree, Var_Type, True);
Set_Uniq_Type_Name (Tree, Project, New_Type);
Set_String_Type_Of (Item, Tree, New_Type);
Add_In_Front (Tree, Project, New_Type);
end if;
Construct := Default_Project_Node (Tree, N_Case_Construction);
Set_Case_Variable_Reference_Of
(Construct, Tree, Create_Variable_Reference (Tree, Item));
Str := First_Literal_String (Var_Type, Tree);
while Str /= Empty_Node loop
Add_Case_Item (Tree, Construct, String_Value_Of (Str, Tree));
Str := Next_Literal_String (Str, Tree);
end loop;
return Construct;
end Create_Case_Construction;
---------------------------------
-- For_Each_Matching_Case_Item --
---------------------------------
procedure For_Each_Matching_Case_Item
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node;
Case_Construct : in out Prj.Tree.Project_Node_Id;
Values : External_Variable_Value_Array;
Action : Matching_Item_Callback)
is
Var_Seen : External_Variable_Value_Array_Access :=
new External_Variable_Value_Array (Values'Range);
Last_Var_Seen : Natural := Var_Seen'First - 1;
-- Only the Variable_Name is relevant here, and this is used to detect
-- the variables that didn't play any role in the current case construct
procedure Process_Case_Recursive (Case_Stmt : Project_Node_Id);
-- Act recursively on Case_Stmt and search within all its case items for
-- the matching ones.
function Create_Case_If_Necessary return Project_Node_Id;
-- Create a new case construction if necessary (ie if some variable was
-- referenced in Values, and there was no matching case construction so
-- far).
-- Empty_Node is returned if no case construction was created.
------------------------------
-- Create_Case_If_Necessary --
------------------------------
function Create_Case_If_Necessary return Project_Node_Id is
Match : Boolean;
begin
for J in Values'Range loop
Match := False;
for K in Var_Seen'First .. Last_Var_Seen loop
if Values (J).Variable_Name = Var_Seen (K).Variable_Name then
Match := True;
exit;
end if;
end loop;
if not Match then
return Create_Case_Construction
(Tree, Project,
Values (J).Variable_Name, Values (J).Variable_Type);
end if;
end loop;
return Empty_Node;
end Create_Case_If_Necessary;
----------------------------
-- Process_Case_Recursive --
----------------------------
procedure Process_Case_Recursive (Case_Stmt : Project_Node_Id) is
Name : constant Name_Id := External_Variable_Name
(Tree, Project, Case_Variable_Reference_Of (Case_Stmt, Tree));
Current_Item, New_Case : Project_Node_Id;
Handling_Done : Boolean;
begin
pragma Assert (Name /= No_Name);
-- Memorise the name of the variable we are processing, so that we
-- can create missing case constructions at the end
Add_Value
(Var_Seen, Last_Var_Seen, (Empty_Node, Name, No_Name, False));
-- For all possible values of the variable
Current_Item := First_Case_Item_Of (Case_Stmt, Tree);
while Current_Item /= Empty_Node loop
if Values_Matches (Tree, Name, Current_Item, Values) then
Handling_Done := False;
New_Case := First_Declarative_Item_Of (Current_Item, Tree);
-- Are there any nested case ?
while New_Case /= Empty_Node loop
if Kind_Of (Current_Item_Node (New_Case, Tree), Tree)
= N_Case_Construction
then
Process_Case_Recursive
(Current_Item_Node (New_Case, Tree));
Handling_Done := True;
exit;
end if;
New_Case := Next_Declarative_Item (New_Case, Tree);
end loop;
if not Handling_Done then
New_Case := Create_Case_If_Necessary;
Handling_Done := New_Case /= Empty_Node;
if Handling_Done then
-- Move all the declarative items currently in the case
-- item to the nested case construction, so that we only
-- have declarative items in the most-nested case
-- constructions.
if First_Declarative_Item_Of (Current_Item, Tree) /=
Empty_Node
then
Add_To_Case_Items
(Tree,
New_Case,
First_Declarative_Item_Of (Current_Item, Tree));
Set_First_Declarative_Item_Of
(Current_Item, Tree, Empty_Node);
end if;
Add_At_End (Tree, Current_Item, New_Case);
Process_Case_Recursive (New_Case);
end if;
end if;
-- We can now report the matching case item
if not Handling_Done and then Action /= null then
Action (Current_Item);
end if;
end if;
Current_Item := Next_Case_Item (Current_Item, Tree);
end loop;
Last_Var_Seen := Last_Var_Seen - 1;
end Process_Case_Recursive;
Top : Project_Node_Id;
begin
if Pkg /= Empty_Node then
Top := Pkg;
else
Top := Project_Declaration_Of (Project, Tree);
end if;
if Case_Construct = Empty_Node then
Case_Construct := Create_Case_If_Necessary;
if Case_Construct /= Empty_Node then
Add_At_End (Tree, Top, Case_Construct);
end if;
end if;
if Case_Construct = Empty_Node then
if Action /= null then
Action (Top);
end if;
else
Process_Case_Recursive (Case_Construct);
end if;
Free (Var_Seen);
end For_Each_Matching_Case_Item;
-----------------------
-- Find_Node_By_Name --
-----------------------
function Find_Node_By_Name
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Kind : Project_Node_Kind;
Name : Name_Id) return Project_Node_Id
is
Decl : Project_Node_Id := First_Declarative_Item_Of
(Project_Declaration_Of (Project, Tree), Tree);
Current : Project_Node_Id;
begin
while Decl /= Empty_Node loop
Current := Current_Item_Node (Decl, Tree);
if Kind_Of (Current, Tree) = Kind
and then Prj.Tree.Name_Of (Current, Tree) = Name
then
return Current;
end if;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
return Empty_Node;
end Find_Node_By_Name;
---------------------------
-- Find_Type_Declaration --
---------------------------
function Find_Type_Declaration
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Name : Namet.Name_Id) return Project_Node_Id is
begin
return Find_Node_By_Name
(Tree, Project, N_String_Type_Declaration, Name);
end Find_Type_Declaration;
------------------------
-- Get_Uniq_Type_Name --
------------------------
procedure Set_Uniq_Type_Name
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Var_Type : Project_Node_Id)
is
Candidate : Name_Id;
Attempt : Natural := 1;
begin
-- Check the type itself
Candidate := Name_Of (Var_Type, Tree);
while Find_Type_Declaration (Tree, Project, Candidate) /= Empty_Node loop
Get_Name_String (Candidate);
Get_Name_String (Name_Of (Var_Type, Tree));
Add_Str_To_Name_Buffer (Image (Attempt, Min_Width => 0));
Attempt := Attempt + 1;
Candidate := Name_Find;
end loop;
Set_Name_Of (Var_Type, Tree, Candidate);
end Set_Uniq_Type_Name;
--------------------
-- Values_Matches --
--------------------
function Values_Matches
(Tree : Project_Node_Tree_Ref;
Var_Name : Name_Id;
Case_Item : Project_Node_Id;
Values : External_Variable_Value_Array) return Boolean
is
-- The rule is the following: if there is any non-negated item,
-- then we must match at least one of them. If there are none,
-- then the case item matches if non of the negated item matches
Match : Boolean := True;
Choice : Project_Node_Id := First_Choice_Of (Case_Item, Tree);
begin
Choice_Loop :
while Choice /= Empty_Node loop
for J in Values'Range loop
if Values (J).Variable_Name = Var_Name then
-- Change the default value if needed
Match := Values (J).Negated;
if Values (J).Variable_Value =
String_Value_Of (Choice, Tree)
then
Match := not Values (J).Negated;
exit Choice_Loop;
end if;
end if;
end loop;
Choice := Next_Literal_String (Choice, Tree);
end loop Choice_Loop;
return Match;
end Values_Matches;
----------------------------
-- External_Variable_Name --
----------------------------
function External_Variable_Name
(Tree : Project_Node_Tree_Ref;
Current_Project : Project_Node_Id;
Ref : Project_Node_Id) return Name_Id
is
N : constant Name_Id := Prj.Tree.Name_Of (Ref, Tree);
Pkg : Project_Node_Id;
Variable : Variable_Node_Id;
Recurse_In_Pkg : Boolean := False;
begin
if Package_Node_Of (Ref, Tree) /= Empty_Node then
Pkg := Package_Node_Of (Ref, Tree);
elsif Project_Node_Of (Ref, Tree) /= Empty_Node then
Pkg := Project_Node_Of (Ref, Tree);
else
Pkg := Current_Project;
Recurse_In_Pkg := True;
end if;
-- Should the project parser set the package_of field when the variable
-- is defined inside a package ? Currently, it only sets this field if
-- it is specified in the file itself.
while Pkg /= Empty_Node loop
Variable := First_Variable_Of (Pkg, Tree);
while Variable /= Empty_Node loop
if (Kind_Of (Variable, Tree) = N_Variable_Declaration
or else Kind_Of (Variable, Tree) = N_Typed_Variable_Declaration)
and then Prj.Tree.Name_Of (Variable, Tree) = N
then
return External_Reference_Of (Variable, Tree);
end if;
Variable := Next_Variable (Variable, Tree);
end loop;
if Recurse_In_Pkg then
if Pkg = Current_Project then
Pkg := First_Package_Of (Pkg, Tree);
else
Pkg := Next_Package_In_Project (Pkg, Tree);
end if;
end if;
end loop;
return No_Name;
end External_Variable_Name;
---------------
-- Add_Value --
---------------
procedure Add_Value
(To : in out External_Variable_Value_Array_Access;
Last : in out Natural;
V : External_Variable_Value)
is
Old : External_Variable_Value_Array_Access := To;
New_Last : Natural;
begin
if To = null or else Last = To'Last then
if To = null or else To'Last = 0 then
New_Last := 20;
else
New_Last := Old'Last * 2;
end if;
To := new External_Variable_Value_Array (Old'First .. New_Last);
To (Old'Range) := Old.all;
Free (Old);
end if;
Last := Last + 1;
To (Last) := V;
end Add_Value;
-------------------
-- Clone_Project --
-------------------
function Clone_Project
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id) return Project_Node_Id
is
Project2, Decl : Project_Node_Id;
begin
Project2 := Clone_Node (Tree, Project);
Decl := Clone_Node (Tree, Project_Declaration_Of (Project, Tree));
Set_Project_Declaration_Of (Project2, Tree, Decl);
Set_First_Declarative_Item_Of (Decl, Tree, Empty_Node);
return Project2;
end Clone_Project;
---------------
-- Normalize --
---------------
procedure Normalize
(Tree : Project_Tree_Data_Access;
Project : Project_Type)
is
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
Values : External_Variable_Value_Array_Access := null;
Last_Values : Natural;
-- Representation of the state of the case construction that is being
-- parsed.
-- Each time a new case item is seen in the original project, an entry
-- is added into this array for all the possible values of the variable.
-- On exit of the case item, the items are negated, so that it is still
-- possible to process "when others".
-- On exit of the case construction, the entries for the variable are
-- removed from this list.
Project_Norm : Project_Node_Id;
Current_Pkg : Project_Node_Id;
Case_Construct : Project_Node_Id;
Decl : Project_Node_Id;
Project_Node : Project_Node_Id;
Max_Scenario_Variables : Integer;
procedure Process_Declarative_List
(From, To : Project_Node_Id);
-- Process a declarative list (a project, a package, a case item,...).
-- From is the first N_Declarative_Item in the list. To is the node to
-- which the normalized declarative items are added.
-- Note: It skips subpackages, and doesn't process them recursively,
-- you should call this procedure once per subpackage.
--
-- The output is however added to the case construction Case_Stmt if it
-- is not Empty_Node, or if the Values is not null (the first case
-- represent the case where there was a case statement before in the
-- project file, the second one represents the first case statement).
procedure Check_Index_Sensitivity (Decl_Item : Project_Node_Id);
-- If Decl_Item is the declaration of an attribute the index of which
-- is case-insensitive, convert that index to lower-case so that GPS
-- properly finds references to it later on.
-----------------------------
-- Check_Index_Sensitivity --
-----------------------------
procedure Check_Index_Sensitivity (Decl_Item : Project_Node_Id) is
Current : constant Project_Node_Id :=
Current_Item_Node (Decl_Item, Tree_Node);
begin
if Kind_Of (Current, Tree_Node) = N_Attribute_Declaration then
-- It is possible that the attribute doesn't have an index in the
-- case of
-- for Switches use Imported.Compiler'Switches;
-- whereas in general Switches excepts an index.
if Case_Insensitive (Current, Tree_Node)
and then Associative_Array_Index_Of
(Current, Tree_Node) /= No_Name
then
Get_Name_String
(Associative_Array_Index_Of (Current, Tree_Node));
To_Lower (Name_Buffer (1 .. Name_Len));
Set_Associative_Array_Index_Of (Current, Tree_Node, Name_Find);
end if;
end if;
end Check_Index_Sensitivity;
------------------------------
-- Process_Declarative_List --
------------------------------
procedure Process_Declarative_List (From, To : Project_Node_Id) is
Decl_Item, Current : Project_Node_Id := From;
Next_Item, Choice : Project_Node_Id;
Name : Name_Id;
Case_Item : Project_Node_Id;
Index : Natural;
Var_Type : Project_Node_Id;
Already_Have_Var, Match : Boolean;
Decl_Item2 : Project_Node_Id;
procedure Add_Decl_Item (To_Case_Item : Project_Node_Id);
-- Add Decl_Item to To_Case_Item
-------------------
-- Add_Decl_Item --
-------------------
procedure Add_Decl_Item (To_Case_Item : Project_Node_Id) is
begin
Add_At_End
(Tree_Node, To_Case_Item,
Clone_Node (Tree_Node, Decl_Item, True));
end Add_Decl_Item;
begin
-- Nothing to do if there is no project
if From = Empty_Node then
return;
end if;
pragma Assert (Kind_Of (Decl_Item, Tree_Node) = N_Declarative_Item);
while Decl_Item /= Empty_Node loop
Current := Current_Item_Node (Decl_Item, Tree_Node);
-- Save the next item, since the current item will be inserted in
-- a different list, and thus its next field will be modified.
Next_Item := Next_Declarative_Item (Decl_Item, Tree_Node);
Set_Next_Declarative_Item (Decl_Item, Tree_Node, Empty_Node);
case Kind_Of (Current, Tree_Node) is
when N_Package_Declaration =>
-- Skip subpackages, since these must appear after every
-- other declarative item in the normalized project.
null;
when N_Case_Construction =>
Name := External_Variable_Name
(Tree_Node,
Project_Norm,
Case_Variable_Reference_Of (Current, Tree_Node));
if Name = No_Name then
Trace (Me, "Normalizing a project with a non-scenario "
& "variable in case construction");
Raise_Exception
(Normalize_Error'Identity,
Project.Name
& Prj.Project_File_Extension & ": "
& "Case constructions referencing non-external"
& " variables can not be modified");
end if;
Var_Type := String_Type_Of
(Case_Variable_Reference_Of (Current, Tree_Node),
Tree_Node);
-- Do we already have this variable in values
-- If yes, this means we have something similar to:
-- case A is
-- when "1" =>
-- case A is
-- when "1" => keep;
-- when "2" => ignore;
-- We should only keep the item in the nested case that
-- matches the value of the outer item.
Already_Have_Var := False;
for J in Values'First .. Last_Values loop
if Values (J).Variable_Name = Name then
Already_Have_Var := True;
exit;
end if;
end loop;
Case_Item := First_Case_Item_Of (Current, Tree_Node);
-- For all the case items in the current case construction
while Case_Item /= Empty_Node loop
Index := Last_Values + 1;
if Already_Have_Var then
Match := Values_Matches
(Tree_Node, Name, Case_Item,
Values (Values'First .. Last_Values));
else
Match := True;
Choice := First_Choice_Of (Case_Item, Tree_Node);
while Choice /= Empty_Node loop
Add_Value
(Values, Last_Values,
External_Variable_Value'
(Var_Type,
Name,
String_Value_Of (Choice, Tree_Node),
False));
Choice := Next_Literal_String (Choice, Tree_Node);
end loop;
end if;
if Match then
-- Process the declarative list of items
Process_Declarative_List
(First_Declarative_Item_Of (Case_Item, Tree_Node),
To);
-- Negate all the values
for J in Index .. Last_Values loop
Values (J).Negated := True;
end loop;
end if;
Case_Item := Next_Case_Item (Case_Item, Tree_Node);
end loop;
-- Remove all the entries for the variable in the array
-- Note that we do not need to use String_Equal, since we
-- know exactly the Name_Id we started with.
if not Already_Have_Var then
while Last_Values >= Values'First
and then Values (Last_Values).Variable_Name = Name
loop
Last_Values := Last_Values - 1;
end loop;
end if;
when N_Typed_Variable_Declaration =>
declare
Save_Type : constant Project_Node_Id := String_Type_Of
(Current, Tree_Node);
begin
-- Make sure that the type declaration is unique for that
-- typed variable, since if we decide to remove the
-- variable we should remove the type as well.
Var_Type := Clone_Node
(Tree_Node, String_Type_Of (Current, Tree_Node), True);
Set_Uniq_Type_Name (Tree_Node, Project_Norm, Var_Type);
Set_String_Type_Of (Current, Tree_Node, Var_Type);
Add_At_End (Tree_Node, Project_Norm, Var_Type,
Add_Before_First_Pkg => True,
Add_Before_First_Case => True);
-- Scenario variables must be defined at the project
-- level
if Current_Pkg /= Empty_Node
and then Is_External_Variable (Current, Tree_Node)
then
Add_At_End
(Tree_Node,
Project_Norm,
Clone_Node (Tree_Node, Decl_Item, True),
Add_Before_First_Pkg => True,
Add_Before_First_Case => True);
else
For_Each_Matching_Case_Item
(Tree_Node, Project_Norm, Current_Pkg,
Case_Construct,
Values (Values'First .. Last_Values),
Add_Decl_Item'Unrestricted_Access);
end if;
Set_String_Type_Of (Current, Tree_Node, Save_Type);
end;
when N_String_Type_Declaration =>
null;
when others =>
-- Add as many items as possible at once. This speeds things
-- up, since we do not have to traverse all the case items
-- for all of them.
Check_Index_Sensitivity (Decl_Item);
Decl_Item2 := Decl_Item;
while Next_Item /= Empty_Node loop
case Kind_Of
(Current_Item_Node (Next_Item, Tree_Node), Tree_Node)
is
when N_Package_Declaration
| N_Case_Construction
| N_Typed_Variable_Declaration
| N_String_Type_Declaration =>
exit;
when others =>
Check_Index_Sensitivity (Next_Item);
end case;
Set_Next_Declarative_Item
(Decl_Item2, Tree_Node, Next_Item);
Decl_Item2 := Next_Item;
Next_Item :=
Next_Declarative_Item (Next_Item, Tree_Node);
end loop;
Set_Next_Declarative_Item
(Decl_Item2, Tree_Node, Empty_Node);
For_Each_Matching_Case_Item
(Tree_Node, Project_Norm, Current_Pkg, Case_Construct,
Values (Values'First .. Last_Values),
Add_Decl_Item'Unrestricted_Access);
end case;
Decl_Item := Next_Item;
end loop;
end Process_Declarative_List;
begin
if not Project.Data.Normalized then
Max_Scenario_Variables := Scenario_Variables (Tree)'Length;
Project_Node := Project.Node;
Trace (Me, "Normalize: imported=" & Project.Name);
Values := new External_Variable_Value_Array
(1 .. Max_Scenario_Variables);
Last_Values := Values'First - 1;
Project_Norm := Clone_Project (Tree_Node, Project_Node);
Current_Pkg := Empty_Node;
Case_Construct := Empty_Node;
Project.Data.Normalized := True;
-- The top-level part of the project
Process_Declarative_List
(From => First_Declarative_Item_Of
(Project_Declaration_Of (Project_Node, Tree_Node), Tree_Node),
To => Project_Declaration_Of (Project_Norm, Tree_Node));
if Last_Values /= Values'First - 1 then
Free (Values);
Raise_Exception
(Normalize_Error'Identity,
"Internal error while normalizing");
end if;
-- All the subpackages. Note that the project parser has at some
-- point reverted the order of the package nodes, so we need to
-- take that into account to preserve the order of packages in the
-- file.
Current_Pkg := First_Package_Of (Project_Node, Tree_Node);
while Current_Pkg /= Empty_Node loop
Decl := First_Declarative_Item_Of (Current_Pkg, Tree_Node);
Set_First_Declarative_Item_Of
(Current_Pkg, Tree_Node, Empty_Node);
Case_Construct := Empty_Node;
Process_Declarative_List
(From => Decl,
To => Current_Pkg);
if Last_Values /= Values'First - 1 then
Free (Values);
Raise_Exception
(Normalize_Error'Identity,
"Internal error while normalizing");
end if;
declare
Next_Pkg : constant Project_Node_Id :=
Next_Package_In_Project (Current_Pkg, Tree_Node);
begin
Set_Next_Package_In_Project
(Current_Pkg, Tree_Node, Empty_Node);
Add_At_End
(Tree_Node,
Project_Declaration_Of
(Project_Norm, Tree_Node), Current_Pkg,
Add_Before_First_Pkg => True,
Add_Before_First_Case => False);
Current_Pkg := Next_Pkg;
end;
end loop;
Free (Values);
Post_Process_After_Clone (Tree_Node, Project_Norm);
-- Directly replace in the table, so that all references to this
-- project are automatically updated. There is a small memory
-- leak, but since most of the project tree is shared, it doesn't
-- really matter in the life of the project editor
Tree_Node.Project_Nodes.Table (Project_Node) :=
Tree_Node.Project_Nodes.Table (Project_Norm);
Trace (Me, "Done normalizing " & Project.Name);
end if;
end Normalize;
----------------
-- Clone_Node --
----------------
function Clone_Node
(Tree : Project_Node_Tree_Ref;
Node : Project_Node_Id;
Deep_Clone : Boolean := False) return Project_Node_Id
is
New_Node : Project_Node_Id;
begin
if Node = Empty_Node then
return Empty_Node;
end if;
Tree_Private_Part.Project_Node_Table.Increment_Last (Tree.Project_Nodes);
New_Node :=
Tree_Private_Part.Project_Node_Table.Last (Tree.Project_Nodes);
-- Simple copy of all the fields. There is no need to duplicate
-- Name_Id at this point, since nobody will modify them later on
-- anyway. So we save some memory and keep them as is.
-- Only the node ids will need to be copied for deep copies.
Tree.Project_Nodes.Table (New_Node) := Tree.Project_Nodes.Table (Node);
if Deep_Clone then
case Kind_Of (Node, Tree) is
when N_Project =>
-- Packages, Variables, First_String_Type_Of must be outside of
-- this subprogram.
Set_First_With_Clause_Of
(New_Node, Tree,
Clone_Node (Tree, First_With_Clause_Of (Node, Tree), True));
Set_Project_Declaration_Of
(New_Node, Tree,
Clone_Node (Tree,
Project_Declaration_Of (Node, Tree), True));
Set_First_String_Type_Of (New_Node, Tree, Empty_Node);
when N_With_Clause =>
Set_Next_With_Clause_Of
(New_Node, Tree,
Clone_Node (Tree, Next_With_Clause_Of (Node, Tree), True));
when N_Project_Declaration =>
Set_First_Declarative_Item_Of
(New_Node, Tree,
Clone_Node
(Tree, First_Declarative_Item_Of (Node, Tree), True));
when N_Declarative_Item =>
Set_Current_Item_Node
(New_Node, Tree,
Clone_Node (Tree, Current_Item_Node (Node, Tree), True));
Set_Next_Declarative_Item
(New_Node, Tree,
Clone_Node (Tree, Next_Declarative_Item (Node, Tree), True));
when N_Package_Declaration =>
-- Next_Package_In_Project and Variables must be set outside of
-- this subprogram
-- Pkg_Id doesn't need to be cloned, as per 9509-010.
Set_First_Declarative_Item_Of
(New_Node, Tree,
Clone_Node
(Tree, First_Declarative_Item_Of (Node, Tree), True));
Set_Next_Package_In_Project (New_Node, Tree, Empty_Node);
when N_String_Type_Declaration =>
-- Next_String_Type must be set outside of this
Set_First_Literal_String
(New_Node, Tree,
Clone_Node (Tree, First_Literal_String (Node, Tree), True));
Set_Next_String_Type (New_Node, Tree, Empty_Node);
when N_Literal_String =>
Set_Next_Literal_String
(New_Node, Tree,
Clone_Node (Tree, Next_Literal_String (Node, Tree), True));
when N_Attribute_Declaration =>
Set_Expression_Of
(New_Node, Tree,
Clone_Node (Tree, Expression_Of (Node, Tree), True));
when N_Typed_Variable_Declaration =>
-- Next_Variable must be set outside of this
-- String_Type_Of is set to the same value as for Node, and
-- this needs to be fixed in a post-processing phase.
Set_Expression_Of
(New_Node, Tree,
Clone_Node (Tree, Expression_Of (Node, Tree), True));
Set_String_Type_Of
(New_Node, Tree, String_Type_Of (Node, Tree));
Set_Next_Variable (New_Node, Tree, Empty_Node);
when N_Variable_Declaration =>
-- Next_Variable must be set outside of this
Set_Expression_Of
(New_Node, Tree,
Clone_Node (Tree, Expression_Of (Node, Tree), True));
Set_Next_Variable (New_Node, Tree, Empty_Node);
when N_Expression =>
Set_First_Term
(New_Node, Tree,
Clone_Node (Tree, First_Term (Node, Tree), True));
Set_Next_Expression_In_List
(New_Node, Tree,
Clone_Node (Tree,
Next_Expression_In_List (Node, Tree), True));
when N_Term =>
Set_Current_Term
(New_Node, Tree,
Clone_Node (Tree, Current_Term (Node, Tree), True));
Set_Next_Term
(New_Node, Tree,
Clone_Node (Tree, Next_Term (Node, Tree), True));
when N_Literal_String_List =>
Set_First_Expression_In_List
(New_Node, Tree,
Clone_Node (Tree, First_Expression_In_List (Node, Tree),
True));
when N_Variable_Reference =>
-- String_Type_Of is set to the same value as for Node, and
-- this needs to be fixed in a post-processing phase.
-- Same for Package_Node_Of
null;
when N_External_Value =>
Set_External_Reference_Of
(New_Node, Tree,
Clone_Node (Tree, External_Reference_Of (Node, Tree), True));
Set_External_Default_Of
(New_Node, Tree,
Clone_Node (Tree, External_Default_Of (Node, Tree), True));
when N_Attribute_Reference =>
-- Package_Node_Of is set to the same value of for Node, and
-- this needs to be fixed in a post-processing phase.
null;
when N_Case_Construction =>
Set_Case_Variable_Reference_Of
(New_Node, Tree,
Clone_Node (Tree,
Case_Variable_Reference_Of (Node, Tree), True));
Set_First_Case_Item_Of
(New_Node, Tree,
Clone_Node (Tree, First_Case_Item_Of (Node, Tree), True));
when N_Case_Item =>
Set_First_Choice_Of
(New_Node, Tree,
Clone_Node (Tree, First_Choice_Of (Node, Tree), True));
Set_First_Declarative_Item_Of
(New_Node, Tree,
Clone_Node
(Tree, First_Declarative_Item_Of (Node, Tree), True));
when N_Comment_Zones =>
null;
when N_Comment =>
null;
end case;
end if;
return New_Node;
end Clone_Node;
----------------
-- Get_String --
----------------
function Get_String (Str : String) return Name_Id is
begin
if Str = "" then
return No_Name;
else
Name_Len := Str'Length;
Name_Buffer (1 .. Name_Len) := Str;
return Name_Find;
end if;
end Get_String;
----------------
-- Get_String --
----------------
function Get_String (Id : Namet.Name_Id) return String is
begin
if Id = No_Name then
return "";
end if;
return Get_Name_String (Id);
exception
when E : others =>
Trace (Exception_Handle, E);
return "";
end Get_String;
--------------------------
-- Is_External_Variable --
--------------------------
function Is_External_Variable
(Var : Prj.Tree.Project_Node_Id;
Tree : Project_Node_Tree_Ref) return Boolean is
begin
return Kind_Of
(Current_Term (First_Term (Expression_Of (Var, Tree), Tree), Tree),
Tree)
= N_External_Value;
end Is_External_Variable;
---------------------------
-- External_Reference_Of --
---------------------------
function External_Reference_Of
(Var : Prj.Tree.Project_Node_Id;
Tree : Project_Node_Tree_Ref) return Namet.Name_Id
is
Expr : Project_Node_Id := Expression_Of (Var, Tree);
begin
Expr := First_Term (Expr, Tree);
Expr := Current_Term (Expr, Tree);
if Kind_Of (Expr, Tree) = N_External_Value then
Expr := External_Reference_Of (Expr, Tree);
return String_Value_Of (Expr, Tree);
else
return No_Name;
end if;
end External_Reference_Of;
-----------------------------
-- Find_Project_Of_Package --
-----------------------------
function Find_Project_Of_Package
(Data : Project_Tree_Data_Access;
Project : Project_Type;
Pkg_Name : String) return Project_Type
is
Pkg : Project_Node_Id;
begin
if Pkg_Name /= "" then
Pkg := Find_Package_Declaration
(Tree (Data), Project.Node, Get_String (Pkg_Name));
if Pkg /= Empty_Node then
Pkg := Project_Of_Renamed_Package_Of (Pkg, Tree (Data));
if Pkg /= Empty_Node then
return Project_Type
(Project_From_Name
(Data, Prj.Tree.Name_Of (Pkg, Tree (Data))));
end if;
end if;
end if;
return Project;
end Find_Project_Of_Package;
-------------------------
-- Find_Case_Statement --
-------------------------
function Find_Case_Statement
(Tree : Project_Node_Tree_Ref;
Project : Prj.Tree.Project_Node_Id;
Pkg : Prj.Tree.Project_Node_Id := Prj.Tree.Empty_Node)
return Project_Node_Id
is
Top : Project_Node_Id;
Decl_Item : Project_Node_Id;
Case_Construct : Project_Node_Id := Empty_Node;
begin
if Pkg /= Empty_Node then
Top := Pkg;
else
Top := Project_Declaration_Of (Project, Tree);
end if;
Decl_Item := First_Declarative_Item_Of (Top, Tree);
while Decl_Item /= Empty_Node loop
if Kind_Of (Current_Item_Node (Decl_Item, Tree), Tree) =
N_Case_Construction
then
Case_Construct := Current_Item_Node (Decl_Item, Tree);
exit;
end if;
Decl_Item := Next_Declarative_Item (Decl_Item, Tree);
end loop;
return Case_Construct;
end Find_Case_Statement;
----------------------------------------
-- Move_From_Common_To_Case_Construct --
----------------------------------------
procedure Move_From_Common_To_Case_Construct
(Tree : Project_Node_Tree_Ref;
Project : Project_Node_Id;
Pkg : Project_Node_Id;
Case_Construct : in out Project_Node_Id;
Scenario_Variables : Scenario_Variable_Array;
Attribute_Name : Namet.Name_Id;
Attribute_Index : Namet.Name_Id := No_Name)
is
Parent : Project_Node_Id;
Node, Tmp : Project_Node_Id;
Case_Items : Project_Node_Array_Access :=
new Project_Node_Array (1 .. 100);
Case_Items_Last : Natural := Case_Items'First - 1;
procedure Add_Item (Case_Item : Project_Node_Id);
-- Add the declaration Node to Case_Item, in front, since the
-- declaration necessarily occured before the case item
--------------
-- Add_Item --
--------------
procedure Add_Item (Case_Item : Project_Node_Id) is
begin
Add_Node_To_List (Case_Items, Case_Items_Last, Case_Item);
end Add_Item;
begin
if Pkg /= Empty_Node then
Parent := Pkg;
else
Parent := Project_Declaration_Of (Project, Tree);
end if;
-- First, create the nested case for the scenario, and memorize each of
-- them. This will easily allow to keep the order of all the
-- declarations for this attribute that are currently in the common part
For_Each_Scenario_Case_Item
(Tree, Project, Pkg, Case_Construct, Scenario_Variables, null);
For_Each_Matching_Case_Item
(Tree, Project, Pkg, Case_Construct,
All_Case_Items, Add_Item'Unrestricted_Access);
-- Nothing to do if there are no case items
if Case_Items_Last > Case_Items'First then
Node := First_Declarative_Item_Of (Parent, Tree);
while Node /= Empty_Node loop
if Attribute_Matches
(Tree, Current_Item_Node (Node, Tree),
Attribute_Name, Attribute_Index)
then
for Parent in Case_Items'First .. Case_Items_Last loop
Tmp := Default_Project_Node (Tree, N_Declarative_Item);
Set_Current_Item_Node
(Tmp, Tree,
Clone_Node (Tree, Current_Item_Node (Node, Tree), True));
if Kind_Of (Case_Items (Parent), Tree) /=
N_Declarative_Item
then
Set_Next_Declarative_Item
(Tmp, Tree,
First_Declarative_Item_Of (Case_Items (Parent), Tree));
Set_First_Declarative_Item_Of
(Case_Items (Parent), Tree, Tmp);
else
Set_Next_Declarative_Item
(Tmp, Tree,
Next_Declarative_Item (Case_Items (Parent), Tree));
Set_Next_Declarative_Item
(Case_Items (Parent), Tree, Tmp);
end if;
Case_Items (Parent) := Tmp;
end loop;
end if;
Node := Next_Declarative_Item (Node, Tree);
end loop;
Remove_Attribute_Declarations
(Tree, Parent, Attribute_Name, Attribute_Index);
end if;
Free (Case_Items);
end Move_From_Common_To_Case_Construct;
----------------------------
-- Internal_Set_Attribute --
----------------------------
procedure Internal_Set_Attribute
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Attribute : String;
Scenario : Scenario_Variable_Array := All_Scenarios;
Index : String := "";
Callback : Set_Attribute_Callback)
is
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
Sep : constant Natural :=
Ada.Strings.Fixed.Index (Attribute, "#");
Attribute_Name : constant Name_Id :=
Get_String (Attribute (Sep + 1 .. Attribute'Last));
Pkg_Name : constant String :=
Attribute (Attribute'First .. Sep - 1);
Pkg_Prj : constant Project_Type :=
Find_Project_Of_Package (Tree, Project, Pkg_Name);
Index_Id : constant Name_Id := Get_String (Index);
Pkg : Project_Node_Id := Empty_Node;
Case_Construct : Project_Node_Id;
procedure Internal_Cb (Case_Item : Project_Node_Id);
procedure Internal_Cb (Case_Item : Project_Node_Id) is
Previous_Decl : Project_Node_Id;
begin
Previous_Decl := Find_Last_Declaration_Of
(Tree_Node, Case_Item, Attribute_Name, Index_Id);
if Previous_Decl /= Empty_Node then
Previous_Decl := Expression_Of (Previous_Decl, Tree_Node);
end if;
Callback (Tree_Node, Pkg_Prj, Attribute_Name, Index_Id,
Previous_Decl, Case_Item);
end Internal_Cb;
begin
if not Pkg_Prj.Is_Editable then
Trace (Me, "Project is not editable");
else
Normalize (Tree, Pkg_Prj);
if Pkg_Name /= "" then
Pkg := Create_Package (Tree_Node, Pkg_Prj.Node, Pkg_Name);
end if;
Case_Construct := Find_Case_Statement (Tree_Node, Pkg_Prj.Node, Pkg);
Move_From_Common_To_Case_Construct
(Tree_Node,
Project => Pkg_Prj.Node,
Pkg => Pkg,
Case_Construct => Case_Construct,
Scenario_Variables => Scenario,
Attribute_Name => Attribute_Name,
Attribute_Index => Index_Id);
-- Create the node for the new value
For_Each_Scenario_Case_Item
(Tree_Node, Pkg_Prj.Node, Pkg, Case_Construct, Scenario,
Internal_Cb'Unrestricted_Access);
Pkg_Prj.Data.Modified := True;
end if;
end Internal_Set_Attribute;
-------------------
-- Set_Attribute --
-------------------
procedure Set_Attribute
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Attribute : Attribute_Pkg_String;
Value : String;
Scenario : Scenario_Variable_Array := All_Scenarios;
Index : String := "";
At_Index : Natural := 0)
is
V : Name_Id;
procedure Add_Or_Replace
(Tree_Node : Project_Node_Tree_Ref;
Project : Project_Type;
Attribute_Name : Name_Id;
Index_Id : Name_Id;
Previous_Decl : Project_Node_Id;
Case_Item : Project_Node_Id);
-- Add or replace the attribute Attribute_Name in the declarative list
-- for Case_Item
procedure Add_Or_Replace
(Tree_Node : Project_Node_Tree_Ref;
Project : Project_Type;
Attribute_Name : Name_Id;
Index_Id : Name_Id;
Previous_Decl : Project_Node_Id;
Case_Item : Project_Node_Id)
is
Decl, Val : Project_Node_Id;
pragma Unreferenced (Decl, Project);
begin
Val := Create_Literal_String (V, Tree_Node);
if Previous_Decl /= Empty_Node then
-- ??? Should we use At_Index here ?
Set_Current_Term
(First_Term (Previous_Decl, Tree_Node), Tree_Node, Val);
Set_Source_Index_Of (Val, Tree_Node, Int (At_Index));
else
Decl := Create_Attribute
(Tree_Node, Case_Item, Attribute_Name,
Index_Id, Prj.Single, Value => Val, At_Index => At_Index);
end if;
end Add_Or_Replace;
begin
if Value = "" then
V := Empty_String;
else
V := Get_String (Value);
end if;
Internal_Set_Attribute
(Tree => Tree,
Project => Project,
Attribute => String (Attribute),
Scenario => Scenario,
Index => Index,
Callback => Add_Or_Replace'Unrestricted_Access);
end Set_Attribute;
-------------------
-- Set_Attribute --
-------------------
procedure Set_Attribute
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Attribute : Attribute_Pkg_List;
Values : GNAT.Strings.String_List;
Scenario : Scenario_Variable_Array := All_Scenarios;
Index : String := "";
Prepend : Boolean := False)
is
List : Project_Node_Id := Empty_Node;
procedure Add_Or_Replace
(Tree_Node : Project_Node_Tree_Ref;
Project : Project_Type;
Attribute_Name : Name_Id;
Index_Id : Name_Id;
Previous_Decl : Project_Node_Id;
Case_Item : Project_Node_Id);
-- Add or replace the attribute Attribute_Name in the declarative list
-- for Case_Item
procedure Add_Or_Replace
(Tree_Node : Project_Node_Tree_Ref;
Project : Project_Type;
Attribute_Name : Name_Id;
Index_Id : Name_Id;
Previous_Decl : Project_Node_Id;
Case_Item : Project_Node_Id)
is
Decl, Expr, Term : Project_Node_Id;
pragma Unreferenced (Decl);
begin
if List = Empty_Node then
-- Create the string list for the new values.
-- This can be prepended later on to the existing list of values.
List := Default_Project_Node
(Tree_Node, N_Literal_String_List, Prj.List);
for A in reverse Values'Range loop
if Values (A) /= null then
Expr := String_As_Expression
(Get_String (Values (A).all), Tree_Node);
Set_Next_Expression_In_List
(Expr, Tree_Node,
First_Expression_In_List (List, Tree_Node));
Set_First_Expression_In_List (List, Tree_Node, Expr);
end if;
end loop;
end if;
if Previous_Decl /= Empty_Node then
if Prepend then
Expr := First_Expression_In_List (List, Tree_Node);
while Next_Expression_In_List (Expr, Tree_Node) /=
Empty_Node
loop
Expr := Next_Expression_In_List (Expr, Tree_Node);
end loop;
Set_Next_Expression_In_List
(Expr, Tree_Node, First_Expression_In_List
(Current_Term (First_Term (Previous_Decl, Tree_Node),
Tree_Node),
Tree_Node));
else
Set_Next_Expression_In_List
(Previous_Decl, Tree_Node, Empty_Node);
Set_Next_Term
(First_Term (Previous_Decl, Tree_Node), Tree_Node,
Empty_Node);
end if;
Set_Current_Term
(First_Term (Previous_Decl, Tree_Node), Tree_Node, List);
-- Else create the new instruction to be added to the project
else
Expr := Enclose_In_Expression (List, Tree_Node);
if Prepend then
Set_Next_Term
(First_Term (Expr, Tree_Node), Tree_Node,
Default_Project_Node (Tree_Node, N_Term, Prj.List));
Term := Next_Term (First_Term (Expr, Tree_Node), Tree_Node);
Set_Current_Term
(Term,
Tree_Node,
Default_Project_Node
(Tree_Node, N_Attribute_Reference, Prj.List));
Term := Current_Term (Term, Tree_Node);
Set_Name_Of (Term, Tree_Node, Attribute_Name);
Set_Project_Node_Of (Term, Tree_Node, Project.Node);
end if;
Decl := Create_Attribute
(Tree_Node, Case_Item, Attribute_Name, Index_Id, Value => Expr);
end if;
end Add_Or_Replace;
begin
Internal_Set_Attribute
(Tree => Tree,
Project => Project,
Attribute => String (Attribute),
Scenario => Scenario,
Index => Index,
Callback => Add_Or_Replace'Unrestricted_Access);
end Set_Attribute;
----------------------
-- Delete_Attribute --
----------------------
procedure Delete_Attribute
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Attribute : String;
Scenario : Scenario_Variable_Array := All_Scenarios;
Index : String := "")
is
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
Sep : constant Natural :=
Ada.Strings.Fixed.Index (Attribute, "#");
Attribute_Name : constant Name_Id :=
Get_String (Attribute (Sep + 1 .. Attribute'Last));
Pkg_Name : constant String :=
Attribute (Attribute'First .. Sep - 1);
Pkg_Prj : constant Project_Type :=
Find_Project_Of_Package (Tree, Project, Pkg_Name);
Pkg : Project_Node_Id := Empty_Node;
Case_Construct : Project_Node_Id;
Index_Id : constant Name_Id := Get_String (Index);
procedure Delete_Attr (Case_Item : Project_Node_Id);
-- Remove all definitions for the attribute in the case item
-----------------
-- Delete_Attr --
-----------------
procedure Delete_Attr (Case_Item : Project_Node_Id) is
begin
Remove_Attribute_Declarations
(Tree_Node, Case_Item, Attribute_Name, Index_Id);
end Delete_Attr;
begin
if not Pkg_Prj.Is_Editable then
Trace (Me, "Project is not editable");
else
if Pkg_Name /= "" then
Pkg := Find_Package_Declaration
(Tree_Node, Pkg_Prj.Node, Get_String (Pkg_Name));
-- If the package doesn't exist, no need to do anything
if Pkg = Empty_Node then
Trace (Me, "Delete attribute '"
& Get_Name_String (Attribute_Name)
& "': No such package '"
& Pkg_Name & "'");
return;
end if;
end if;
Normalize (Tree, Pkg_Prj);
Case_Construct := Find_Case_Statement (Tree_Node, Pkg_Prj.Node, Pkg);
Move_From_Common_To_Case_Construct
(Tree_Node, Pkg_Prj.Node, Pkg, Case_Construct, Scenario,
Attribute_Name, Index_Id);
For_Each_Scenario_Case_Item
(Tree_Node, Pkg_Prj.Node, Pkg, Case_Construct, Scenario,
Delete_Attr'Unrestricted_Access);
Pkg_Prj.Data.Modified := True;
end if;
end Delete_Attribute;
-----------------------------
-- For_Each_Directory_Node --
-----------------------------
procedure For_Each_Directory_Node
(Tree : Project_Node_Tree_Ref;
Project : Project_Type;
Action : Node_Callback)
is
procedure Process_List (List : Project_Node_Id);
-- Process a list of declarative items
------------------
-- Process_List --
------------------
procedure Process_List (List : Project_Node_Id) is
Node : Project_Node_Id := List;
Current, Expr, Term, Expr2 : Project_Node_Id;
begin
while Node /= Empty_Node loop
Current := Current_Item_Node (Node, Tree);
case Kind_Of (Current, Tree) is
when N_Attribute_Declaration =>
-- ??? Should avoid a hard-coded list of directory
-- attributes. Ideally, we would take into account
-- the attributes defined in the XML file
if Prj.Tree.Name_Of (Current, Tree) = Snames.Name_Source_Dirs
or else Prj.Tree.Name_Of (Current, Tree) =
Snames.Name_Object_Dir
or else Prj.Tree.Name_Of (Current, Tree) =
Snames.Name_Exec_Dir
then
Expr := Expression_Of (Current, Tree);
while Expr /= Empty_Node loop
Term := First_Term (Expr, Tree);
while Term /= Empty_Node loop
Current := Current_Term (Term, Tree);
case Kind_Of (Current, Tree) is
when N_Literal_String_List =>
Expr2 := First_Expression_In_List
(Current, Tree);
while Expr2 /= Empty_Node loop
Current := Current_Term
(First_Term (Expr2, Tree), Tree);
if Kind_Of (Current, Tree) /=
N_Literal_String
or else Next_Term
(First_Term (Expr2, Tree), Tree) /=
Empty_Node
then
Trace
(Me, "Cannot process lists of "
& " non-literal string "
& Kind_Of (Current, Tree)'Img);
else
Action (Current);
end if;
Expr2 := Next_Expression_In_List
(Expr2, Tree);
end loop;
when N_Literal_String =>
Action (Current);
when others =>
Trace (Me, "Ignoring "
& Kind_Of (Current, Tree)'Img);
null;
end case;
Term := Next_Term (Term, Tree);
end loop;
Expr := Next_Expression_In_List (Expr, Tree);
end loop;
end if;
when N_Case_Construction =>
Expr := First_Case_Item_Of (Current, Tree);
while Expr /= Empty_Node loop
Process_List (First_Declarative_Item_Of (Expr, Tree));
Expr := Next_Case_Item (Expr, Tree);
end loop;
when others =>
null;
end case;
Node := Next_Declarative_Item (Node, Tree);
end loop;
end Process_List;
begin
Process_List (First_Declarative_Item_Of
(Project_Declaration_Of (Project.Node, Tree), Tree));
end For_Each_Directory_Node;
---------------------
-- Rename_And_Move --
---------------------
procedure Rename_And_Move
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
New_Name : String;
New_Path : GNATCOLL.VFS.Virtual_File;
Errors : Error_Report := null)
is
Use_Relative_Path : constant Boolean := True;
-- Whether to use relative paths when we have to modify with clauses
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
Old_Path : constant Filesystem_String := Project.Project_Path.Dir_Name;
New_Dir : Virtual_File;
procedure Change_Directory (Node : Project_Node_Id);
-- Change the directory refered to by Node
----------------------
-- Change_Directory --
----------------------
procedure Change_Directory (Node : Project_Node_Id) is
begin
case Kind_Of (Node, Tree_Node) is
when N_Literal_String =>
declare
D : constant Filesystem_String :=
+Get_Name_String (String_Value_Of (Node, Tree_Node));
File : constant Virtual_File :=
Create
(Normalize_Pathname
(D, Old_Path, Resolve_Links => False),
Get_Host (New_Dir));
begin
if not Is_Absolute_Path (D) then
Set_String_Value_Of
(Node, Tree_Node,
Get_String (+Relative_Path (File, New_Dir)));
end if;
end;
when others =>
Trace (Me, "For_Each_Directory_Node: unknown node type: "
& Kind_Of (Node, Tree_Node)'Img);
end case;
end Change_Directory;
Full_Path : Name_Id;
Name : constant Name_Id := Get_String (New_Name);
Old_Name : constant Name_Id := Get_String (Project.Name);
Old : constant Project_Type :=
Project_Type (Project_From_Name (Tree, Name));
Imported : Project_Type;
Iterator : Project_Iterator;
With_Clause : Project_Node_Id;
Modified : Boolean;
P : Path_Name_Type;
begin
if New_Path = GNATCOLL.VFS.No_File then
New_Dir := Create (Old_Path);
else
New_Dir := New_Path;
end if;
if Project = No_Project then
Trace (Me, "Unspecified project to remove");
return;
end if;
if Old /= No_Project then
Trace (Me, "Rename_And_Move: project " & New_Name
& " already exists in the hierarchy");
if Errors /= null then
Errors
("Couldn't rename the project to " & New_Name
& ASCII.LF & "Project already exists in the project graph");
end if;
return;
end if;
-- Replace all the with_clauses in the project hierarchy that points to
-- Project.
Iterator := Find_All_Projects_Importing
(Project, Direct_Only => False);
Full_Path := Get_String
(+(Name_As_Directory (Full_Name (New_Dir))
& (+Translate (To_Lower (New_Name), To_Mapping (".", "-")))
& GNATCOLL.Projects.Project_File_Extension));
loop
Imported := Current (Iterator);
exit when Imported = GNATCOLL.Projects.No_Project;
With_Clause := First_With_Clause_Of (Imported.Node, Tree_Node);
Modified := False;
while With_Clause /= Empty_Node loop
if Project_Node_Of (With_Clause, Tree_Node) = Project.Node then
Set_Name_Of (With_Clause, Tree_Node, Name);
Set_Path_Name_Of (With_Clause, Tree_Node,
Path_Name_Of (Project.Node, Tree_Node));
if Use_Relative_Path then
Set_String_Value_Of
(With_Clause, Tree_Node,
Get_String
(+Relative_Path
(File => Create (+Get_String (Full_Path)),
From => Create
(Imported.Project_Path.Dir_Name))));
else
Set_String_Value_Of (With_Clause, Tree_Node, Full_Path);
end if;
Modified := True;
end if;
With_Clause := Next_With_Clause_Of (With_Clause, Tree_Node);
end loop;
if Modified then
Imported.Data.Modified := True;
end if;
Next (Iterator);
end loop;
-- If the file was moved, update the source directories so that we still
-- point to the same physical directories.
if New_Dir.Full_Name /= Old_Path then
For_Each_Directory_Node
(Tree_Node, Project, Change_Directory'Unrestricted_Access);
end if;
Set_Name_Of (Project.Node, Tree_Node, Name);
Set_Directory_Of
(Project.Node, Tree_Node,
Path_Name_Type (Get_String (+New_Dir.Full_Name)));
P := Path_Name_Type (Full_Path);
Set_Path_Name_Of (Project.Node, Tree_Node, P);
if Get_View (Project) /= Prj.No_Project then
Get_View (Project).Path := (Name => P, Display_Name => P);
end if;
-- We do not want to reread the display_name from the source, which is
-- no longer up-to-date, so we'll force its refresh from the tree
Set_Location_Of (Project.Node, Tree_Node, No_Location);
-- Unregister the old name
Prj.Tree.Tree_Private_Part.Projects_Htable.Set
(Tree_Node.Projects_HT,
Prj.Tree.Name_Of (Project.Node, Tree_Node),
Prj.Tree.Tree_Private_Part.Project_Name_And_Node'
(Name => Old_Name,
Display_Name => Old_Name,
Node => Empty_Node,
Resolved_Path => Path_Name_Type (Old_Name),
Extended => False,
From_Extended => False,
Proj_Qualifier => Unspecified));
-- Register the new name
Prj.Tree.Tree_Private_Part.Projects_Htable.Set
(Tree_Node.Projects_HT,
Prj.Tree.Name_Of (Project.Node, Tree_Node),
Prj.Tree.Tree_Private_Part.Project_Name_And_Node'
(Name => Name,
Display_Name => Name,
Resolved_Path => Path_Name_Type (Full_Path),
Node => Project.Node,
Extended => False,
From_Extended => False,
Proj_Qualifier => Unspecified));
Project.Data.Modified := True;
Unchecked_Free (Project.Data.Imported_Projects);
Unchecked_Free (Project.Data.Importing_Projects);
exception
when E : others =>
Trace (Exception_Handle, E);
end Rename_And_Move;
---------------------
-- Normalize_Cases --
---------------------
procedure Normalize_Cases
(Tree : Prj.Tree.Project_Node_Tree_Ref;
Project : Project_Type)
is
procedure Process_Declarative_List (Node : Project_Node_Id);
-- Check all case statements in the declarative list
------------------------------
-- Process_Declarative_List --
------------------------------
procedure Process_Declarative_List (Node : Project_Node_Id) is
Decl_Item, Current : Project_Node_Id := Node;
begin
-- Nothing to do if there is no project
if Node = Empty_Node then
return;
end if;
pragma Assert (Kind_Of (Decl_Item, Tree) = N_Declarative_Item);
while Decl_Item /= Empty_Node loop
Current := Current_Item_Node (Decl_Item, Tree);
exit when Current = Empty_Node;
case Kind_Of (Current, Tree) is
when N_Package_Declaration =>
Process_Declarative_List
(First_Declarative_Item_Of (Current, Tree));
when N_Case_Construction =>
declare
Values : Name_Id_Array := Get_All_Possible_Values
(Tree, Case_Variable_Reference_Of (Current, Tree));
Case_Item : Project_Node_Id :=
First_Case_Item_Of (Current, Tree);
Choice : Project_Node_Id;
begin
while Case_Item /= Empty_Node loop
Choice := First_Choice_Of (Case_Item, Tree);
while Choice /= Empty_Node loop
for N in Values'Range loop
if Values (N) =
String_Value_Of (Choice, Tree)
then
Values (N) := No_Name;
exit;
end if;
end loop;
Choice := Next_Literal_String (Choice, Tree);
end loop;
Process_Declarative_List
(First_Declarative_Item_Of (Case_Item, Tree));
Case_Item := Next_Case_Item (Case_Item, Tree);
end loop;
for V in Values'Range loop
if Values (V) /= No_Name then
Add_Case_Item
(Tree => Tree,
Case_Node => Current,
Choice => Values (V));
end if;
end loop;
end;
when others =>
null;
end case;
Decl_Item := Next_Declarative_Item (Decl_Item, Tree);
end loop;
end Process_Declarative_List;
begin
Process_Declarative_List
(First_Declarative_Item_Of
(Project_Declaration_Of (Project.Node, Tree), Tree));
end Normalize_Cases;
--------------------------
-- Set_With_Clause_Path --
--------------------------
procedure Set_With_Clause_Path
(Tree : Project_Node_Tree_Ref;
With_Clause : Project_Node_Id;
Imported_Project_Location : Virtual_File;
Imported_Project : Project_Node_Id;
Importing_Project : Project_Node_Id;
Use_Relative_Path : Boolean;
Use_Base_Name : Boolean;
Limited_With : Boolean := False)
is
Clause : Name_Id;
begin
if Use_Base_Name then
Clause := Get_String (+Base_Name (Imported_Project_Location));
elsif Use_Relative_Path then
Clause := Get_String
(+Imported_Project_Location.Relative_Path
(Create (GNATCOLL.VFS_Utils.Dir_Name
(+Get_String
(Name_Id (Path_Name_Of (Importing_Project, Tree)))))));
else
Clause := Get_String (+Imported_Project_Location.Full_Name);
end if;
Set_String_Value_Of (With_Clause, Tree, Clause);
Set_Path_Name_Of (With_Clause, Tree,
Prj.Tree.Path_Name_Of (Imported_Project, Tree));
Set_Project_Node_Of (With_Clause, Tree, Imported_Project,
Limited_With => Limited_With);
end Set_With_Clause_Path;
--------------------------
-- Add_Imported_Project --
--------------------------
function Add_Imported_Project
(Tree : Project_Tree_Data_Access;
Project : Project_Type'Class;
Imported_Project : Project_Type'Class;
Errors : Error_Report := null;
Use_Relative_Path : Boolean;
Use_Base_Name : Boolean;
Limited_With : Boolean := False)
return Import_Project_Error
is
use Prj.Tree.Tree_Private_Part;
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
procedure Fail (S : String);
-- Replaces Osint.Fail
----------
-- Fail --
----------
procedure Fail (S : String) is
begin
if Errors /= null then
Errors (S);
end if;
end Fail;
With_Clause : Project_Node_Id;
Imported_Name : constant Name_Id :=
Prj.Tree.Name_Of (Imported_Project.Node, Tree_Node);
begin
Output.Set_Special_Output (Output.Output_Proc (Errors));
Prj.Com.Fail := Fail'Unrestricted_Access;
-- Make sure we are not trying to import ourselves, since otherwise it
-- would result in an infinite loop when manipulating the project.
if Prj.Tree.Name_Of (Project.Data.Node, Tree_Node) =
Imported_Name
then
Fail ("Cannot add dependency to self");
Output.Cancel_Special_Output;
Prj.Com.Fail := null;
return Dependency_On_Self;
end if;
-- Check if it is already there. If we have the same name but not the
-- same path, we replace it anyway.
With_Clause := First_With_Clause_Of (Project.Node, Tree_Node);
while With_Clause /= Empty_Node loop
if Prj.Tree.Name_Of
(Project_Node_Of (With_Clause, Tree_Node), Tree_Node) =
Imported_Name
then
Fail ("There is already a dependency on "
& Imported_Project.Name);
Output.Cancel_Special_Output;
Prj.Com.Fail := null;
return Dependency_Already_Exists;
end if;
With_Clause := Next_With_Clause_Of (With_Clause, Tree_Node);
end loop;
-- Would we introduce a circular reference by adding this project ?
if Project.Data.Importing_Projects /= null then
for P in Project.Data.Importing_Projects'Range loop
if To_Lower (Project_From_Path
(Tree, Project.Data.Importing_Projects (P)).Name) =
To_Lower (Get_Name_String (Imported_Name))
then
Fail ("Circular dependency detected in the project hierarchy");
Output.Cancel_Special_Output;
Prj.Com.Fail := null;
return Circular_Dependency;
end if;
end loop;
end if;
-- Edit the project
With_Clause := Default_Project_Node (Tree_Node, N_With_Clause);
Set_Name_Of (With_Clause, Tree_Node, Imported_Name);
Set_Next_With_Clause_Of
(With_Clause, Tree_Node,
First_With_Clause_Of (Project.Node, Tree_Node));
Set_First_With_Clause_Of (Project.Node, Tree_Node, With_Clause);
Set_With_Clause_Path
(Tree_Node, With_Clause,
Imported_Project.Project_Path,
Imported_Project.Node, Project.Node,
Use_Relative_Path => Use_Relative_Path,
Use_Base_Name => Use_Base_Name,
Limited_With => Limited_With);
Output.Cancel_Special_Output;
Prj.Com.Fail := null;
Project.Data.Modified := True;
Reset_All_Caches (Tree);
return Success;
exception
when others =>
Output.Cancel_Special_Output;
Prj.Com.Fail := null;
raise;
end Add_Imported_Project;
------------------------------
-- Delete_Scenario_Variable --
------------------------------
procedure Delete_Scenario_Variable
(Tree : Project_Tree_Data_Access;
Root_Project : Project_Type;
External_Name : String;
Keep_Choice : String;
Delete_Direct_References : Boolean := True)
is
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
procedure Callback (Project, Parent, Node, Choice : Project_Node_Id);
-- Called for each mtching node for the env. variable
--------------
-- Callback --
--------------
procedure Callback (Project, Parent, Node, Choice : Project_Node_Id) is
pragma Unreferenced (Choice);
begin
case Kind_Of (Node, Tree_Node) is
when N_External_Value =>
if Delete_Direct_References then
Set_Current_Term
(Parent, Tree_Node,
Create_Literal_String
(Get_String (Keep_Choice), Tree_Node));
end if;
when N_Variable_Reference =>
Set_Current_Term
(Parent, Tree_Node,
Create_Literal_String (Get_String (Keep_Choice), Tree_Node));
when N_Typed_Variable_Declaration =>
Remove_Node (Tree_Node, Project, Node);
Remove_Variable_Declaration (Tree_Node, Project, Node);
when N_String_Type_Declaration =>
Remove_Node (Tree_Node, Project, Node);
when N_Case_Item =>
-- The first declarative item might be null when there was no
-- actual "when ..." for Keep_Choice. In that case, Prj.Proc
-- inserts an entry with no declarative item.
if First_Declarative_Item_Of (Node, Tree_Node) /=
Empty_Node
then
Tree_Node.Project_Nodes.Table (Parent) :=
Tree_Node.Project_Nodes.Table
(First_Declarative_Item_Of (Node, Tree_Node));
else
Set_Current_Item_Node (Parent, Tree_Node, Empty_Node);
end if;
when others =>
null;
pragma Assert (False, "Unexpected node type");
end case;
end Callback;
begin
Normalize (Tree, Root_Project);
For_Each_Environment_Variable
(Tree_Node, Root_Project, Get_String (External_Name),
Get_String (Keep_Choice), Callback'Unrestricted_Access);
end Delete_Scenario_Variable;
-----------------
-- Rename_Path --
-----------------
function Rename_Path
(Tree : Project_Tree_Data_Access;
Project : Project_Type;
Old_Path : Virtual_File;
New_Path : Virtual_File;
Use_Relative_Paths : Boolean) return Boolean
is
Tree_Node : constant Project_Node_Tree_Ref :=
GNATCOLL.Projects.Tree (Tree);
Changed : Boolean := False;
procedure Rename_P (Node : Project_Node_Id);
-- Convert the path to an absolute path
function Path (P : Filesystem_String) return Filesystem_String;
-- Returns the path with relative or absolute convention
----------
-- Path --
----------
function Path (P : Filesystem_String) return Filesystem_String is
begin
-- We use to test whether P is an url, but in the context of projects
-- we only have directories anyway
if Use_Relative_Paths
and then Is_Absolute_Path (P)
then
declare
File : constant Virtual_File :=
Create (P, Project_Path (Project).Get_Host);
Conv : constant Filesystem_String :=
Relative_Path (File, Dir (Project_Path (Project)));
begin
return Conv;
end;
elsif not Use_Relative_Paths then
declare
Conv : constant Filesystem_String := Normalize_Pathname
(P, Dir (Project_Path (Project)).Full_Name);
begin
return Conv;
end;
end if;
return P;
end Path;
Old_P : constant Filesystem_String := Path (Old_Path.Full_Name);
New_P : constant Filesystem_String := Path (New_Path.Full_Name);
--------------
-- Rename_P --
--------------
procedure Rename_P (Node : Project_Node_Id) is
Node_P : constant Filesystem_String :=
Path (+Get_String (String_Value_Of (Node, Tree_Node)));
begin
-- ??? We used to test File_Equal on the Build_Server, but there is
-- no such notion in GNATCOLL
if Node_P'Length >= Old_P'Length
and then File_Equal
(Node_P (Node_P'First .. Node_P'First + Old_P'Length - 1),
Old_P, Local_Host)
then
Set_String_Value_Of
(Node, Tree_Node,
Get_String
(+New_P &
(+Node_P (Node_P'First + Old_P'Length .. Node_P'Last))));
Changed := True;
end if;
end Rename_P;
begin
-- Replace all the paths
For_Each_Directory_Node
(Tree_Node, Project, Rename_P'Unrestricted_Access);
if Changed then
Project.Set_Modified (True);
end if;
return Changed;
end Rename_Path;
-----------------
-- Create_Type --
-----------------
function Create_Type
(Tree : Project_Node_Tree_Ref;
Prj_Or_Pkg : Project_Node_Id;
Name : String) return Project_Node_Id
is
Node : Project_Node_Id;
begin
Node := Default_Project_Node (Tree, N_String_Type_Declaration);
Set_Name_Of (Node, Tree, Get_String (Name));
Add_At_End (Tree, Prj_Or_Pkg, Node, True, True);
return Node;
end Create_Type;
------------------------
-- Add_Possible_Value --
------------------------
procedure Add_Possible_Value
(Tree : Project_Node_Tree_Ref;
Typ : Project_Node_Id;
Choice : String)
is
C : constant Name_Id := Get_String (Choice);
Str, S2 : Project_Node_Id;
begin
pragma Assert (Kind_Of (Typ, Tree) = N_String_Type_Declaration);
Str := First_Literal_String (Typ, Tree);
while Str /= Empty_Node loop
if String_Value_Of (Str, Tree) = C then
return;
end if;
Str := Next_Literal_String (Str, Tree);
end loop;
S2 := Create_Literal_String (C, Tree);
Set_Next_Literal_String (S2, Tree, First_Literal_String (Typ, Tree));
Set_First_Literal_String (Typ, Tree, S2);
end Add_Possible_Value;
--------------------------
-- Expression_As_String --
--------------------------
function Expression_As_String
(Tree : Project_Node_Tree_Ref;
Expression : Project_Node_Id) return Name_Id
is
Term : Project_Node_Id;
begin
case Kind_Of (Expression, Tree) is
when N_Literal_String =>
return String_Value_Of (Expression, Tree);
when N_Expression =>
Term := First_Term (Expression, Tree);
if Term /= Empty_Node
and then Next_Term (Term, Tree) = Empty_Node
and then Kind_Of (Current_Term (Term, Tree), Tree) =
N_Literal_String
then
return String_Value_Of (Current_Term (Term, Tree), Tree);
else
return No_Name;
end if;
when others =>
return No_Name;
end case;
end Expression_As_String;
----------------------------
-- Find_Scenario_Variable --
----------------------------
function Find_Scenario_Variable
(Tree : Project_Node_Tree_Ref;
Project : Project_Type;
External_Name : String)
return Project_Node_Id
is
Decl : Project_Node_Id := First_Declarative_Item_Of
(Project_Declaration_Of (Project.Node, Tree), Tree);
Current : Project_Node_Id;
begin
while Decl /= Empty_Node loop
Current := Current_Item_Node (Decl, Tree);
if Kind_Of (Current, Tree) = N_Typed_Variable_Declaration
and then Is_External_Variable (Current, Tree)
then
Get_Name_String (External_Reference_Of (Current, Tree));
if Name_Buffer (1 .. Name_Len) = External_Name then
return Current;
end if;
end if;
Decl := Next_Declarative_Item (Decl, Tree);
end loop;
return Empty_Node;
end Find_Scenario_Variable;
--------------------------
-- Is_Virtual_Extending --
--------------------------
function Is_Virtual_Extending
(Tree : Project_Node_Tree_Ref;
Node : Prj.Tree.Project_Node_Id) return Boolean
is
Name : constant String :=
Get_String (Prj.Tree.Name_Of (Node, Tree));
begin
return Name'Length > Virtual_Prefix'Length
and then Name (1 .. Virtual_Prefix'Length) = Virtual_Prefix;
end Is_Virtual_Extending;
end GNATCOLL.Projects.Normalize;
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