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1546 | ------------------------------------------------------------------------------
-- --
-- Libadalang Tools --
-- --
-- Copyright (C) 2021-2022, AdaCore --
-- --
-- Libadalang Tools is free software; you can redistribute it and/or modi- --
-- fy 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 software is distributed in the hope that it will be --
-- useful but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- 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;
with Ada.Command_Line;
with Ada.Containers.Indefinite_Ordered_Sets;
with Ada.Containers.Indefinite_Ordered_Maps;
with Ada.Directories;
with Ada.Environment_Variables;
with Ada.Exceptions;
with Ada.Strings; use Ada.Strings;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with Ada.Text_IO;
with GNAT.Directory_Operations;
with GNAT.Traceback.Symbolic;
with GNATCOLL.VFS; use GNATCOLL.VFS;
with GNATCOLL.Traces;
with Libadalang.Analysis; use Libadalang.Analysis;
with Libadalang.Project_Provider; use Libadalang.Project_Provider;
with Utils.Command_Lines.Common; use Utils.Command_Lines.Common;
with Utils.Environment;
with Utils.Err_Out;
with Utils.Formatted_Output;
with Utils.Projects.Aggregate;
with Utils.String_Utilities; use Utils.String_Utilities;
with Utils.Tool_Names; use Utils.Tool_Names;
with Utils.Versions;
package body Utils.Projects is
use Ada.Text_IO;
use Common_Flag_Switches, Common_String_Switches,
Common_String_Seq_Switches, Source_Selection_Switches;
My_Project_Tree : aliased Project_Tree;
Project_Env : Project_Environment_Access;
function Project_File_Name (Cmd : Command_Line) return String with
Pre => Arg (Cmd, Project_File) /= null;
-- Returns the project file name with ".gpr" appended if necessary
function Main_Unit_Names
(Cmd : Command_Line) return String_Ref_Array is
(if
Arg (Cmd) = Update_All
then
(if Num_File_Names (Cmd) = 0 then []
else File_Names (Cmd))
else []);
-- If "-U main_unit_1 main_unit_2 ..." was specified, this returns the list
-- of main units. Otherwise (-U was not specified, or was specified without
-- main unit names), returns empty array.
procedure Post_Cmd_Line_1 (Cmd : Command_Line);
-- This is called by Process_Command_Line after the first pass through
-- the command-line arguments.
procedure Recompute_View_Errors (S : String);
-- Print out all errors but the warnings about missing directories.
procedure Gnatstub_Special_Case (Cmd : in out Command_Line);
-- Gnatstub accepts a command line of the form "src dir", where "dir" is
-- treated as "--output-dir=dir". This feature is not documented, but is
-- used by GPS. It is unfortunate that this general-purpose driver has to
-- know about a particular tool, but Init is called too late.
procedure Process_Project
(Cmd : in out Command_Line;
Cmd_Text : Argument_List_Access;
Global_Report_Dir : out String_Ref;
Preprocessing_Allowed : Boolean;
My_Project_Tree : in out Project_Tree;
My_Project_Env : Project_Environment_Access;
Tool_Package_Name : String;
Compute_Project_Closure : Boolean;
Callback : Parse_Callback);
function Project_File_Name (Cmd : Command_Line) return String is
Name : String renames Arg (Cmd, Project_File).all;
Ext : constant String :=
(if Has_Suffix (Name, Suffix => ".gpr") then "" else ".gpr");
begin
return Name & Ext;
end Project_File_Name;
---------------------------
-- Recompute_View_Errors --
---------------------------
procedure Recompute_View_Errors (S : String) is
begin
if Index (S, "warning") /= 0
and then Index (S, "directory") /= 0
and then Index (S, "not found") /= 0
then
return;
else
Cmd_Error_No_Tool_Name (S);
end if;
end Recompute_View_Errors;
procedure Process_Project
(Cmd : in out Command_Line;
Cmd_Text : Argument_List_Access;
Global_Report_Dir : out String_Ref;
Preprocessing_Allowed : Boolean;
My_Project_Tree : in out Project_Tree;
My_Project_Env : Project_Environment_Access;
Tool_Package_Name : String;
Compute_Project_Closure : Boolean;
Callback : Parse_Callback)
is
use String_Access_Vectors;
procedure Initialize_Environment;
-- Initializes the environment for extracting the information from the
-- project file. This includes setting the parameters specific to the
-- given tool version assuming that the tools for cross environment are
-- named in a standard way (that is, <cross-prefix>-<tool_name>).
function Is_Ada_File (File : Virtual_File) return Boolean;
-- Checks if the given source file is an Ada file.
function Is_Externally_Built (File : Virtual_File) return Boolean;
-- Checks if the given source file belongs to an externally build
-- library.
procedure Load_Tool_Project;
-- Does the same as GNATCOLL.Projects.Load, the only difference is that
-- all the parameters except the project are hidden. This procedure
-- never generates any error or warning message, because here we do
-- not know values of external variables. ????????????????Inspect all
-- comments below.
procedure Get_Files_From_Closure;
-- Provided that the tool arguments contain '-U main_unit' parameter,
-- tries to get the full closure of main_unit and to store it as tool
-- argument files.
procedure Get_Sources_From_Project;
-- Extracts and stores the list of sources of the project to process as
-- tool arguments.
--
-- More documentation is needed:
--
-- * when we extract the sources from the project * what happens when
-- o there is no -U option
-- o -U option is specified, but without the main unit
-- o -U option is specified with the main unit name
--
-- ??? Extended projects???
procedure Set_External_Values;
-- For each value of an external variable that has been stored as a
-- result of the initial parameter processing, checks that the given
-- variable indeed is defined in the project, and the value specified
-- for it is the valid value for this variable. If both checks are
-- successful sets the given value as the value of a given variable,
-- otherwise raises Parameter_Error. If all the stored pairs of external
-- variable names and corresponding values are successfully processed,
-- recomputes the view of the project with these values of external
-- variables.
procedure Extract_Tool_Options;
-- Extracts tool attributes from the project file. The default does the
-- following: * if there is exactly one source file specified, tries to
-- get the
-- tool options from the Switches attribute with the corresponding
-- index. If there is no such Switches attribute, tries to get tool
-- attributes from the Default_Switches attribute.
-- * otherwise tries to get the tool attributes from the
-- Default_Switches attribute.
procedure Load_Aggregated_Project;
-- Loads My_Project_Tree (that is supposed to be an aggregate project),
-- then unloads it and loads in the same environment the project passed
-- as a parameter of '--aggregated_project_file option' (which is
-- supposed to be a (non-aggregate) project aggregated by
-- My_Project_Tree.
procedure Set_Global_Result_Dirs;
-- Sets the directory to place the global tool results into.
procedure Set_Individual_Source_Options;
-- Also for each file from the project that is a tool argument computes
-- and stores in the source table the list of compiler options needed
-- to create the tree for this particular file. It also defines the
-- directory the file-specific results of the tool should be placed
-- into. This procedure should be called *after* storing the argument
-- files in the source table. It is NOT a part of the actions combined
-- in Process_Project_File procedure.????????????????
function Needed_For_Tree_Creation (Option : String) return Boolean;
-- Checks if the argument is the compilation option that is needed for
-- tree creation. Also gives an error message if there is a preprocessor
-- switch, and Preprocessing_Allowed is False.
----------------------------
-- Initialize_Environment --
----------------------------
procedure Initialize_Environment is
Target_Opt : constant String := (if Arg (Cmd, Target) /= null
then Arg (Cmd, Target).all
else "");
RTS_Opt : constant String := (if Arg (Cmd, Run_Time_System) /= null
then Arg (Cmd, Run_Time_System).all
else "");
begin
GNATCOLL.Traces.Parse_Config_File;
Initialize (Project_Env);
Project_Env.Set_Target_And_Runtime
(Target => (if Target_Opt /= "" then Target_Opt else Target),
Runtime => RTS_Opt);
if Arg (Cmd, Follow_Symbolic_Links) then
Project_Env.Set_Trusted_Mode (True);
end if;
Set_Automatic_Config_File (Project_Env.all);
end Initialize_Environment;
-----------------------
-- Load_Tool_Project --
-----------------------
procedure Load_Tool_Project is
Error_Printed : Boolean := False;
procedure Errors (S : String);
-- Load calls this in case of certain (but not all) errors
procedure Errors (S : String) is
begin
if Index (S, " not a regular file") /= 0 then
Err_Out.Put
("\1: project file \2 not found\n",
Tool_Name, Project_File_Name (Cmd));
else
Err_Out.Put ("\1: \2\n", Tool_Name, S);
end if;
Error_Printed := True;
end Errors;
begin
My_Project_Tree.Load
(GNATCOLL.VFS.Create (+Project_File_Name (Cmd)),
Project_Env,
Errors => Errors'Unrestricted_Access,
Recompute_View => False,
Report_Missing_Dirs => False);
My_Project_Tree.Recompute_View
(Errors => Recompute_View_Errors'Unrestricted_Access);
if Is_Aggregate_Project (My_Project_Tree.Root_Project) then
if My_Project_Tree.Root_Project = No_Project then
Cmd_Error ("project not loaded");
end if;
Aggregate.Collect_Aggregated_Projects
(My_Project_Tree.Root_Project);
if Aggregate.Use_Subprocesses_For_Aggregated_Projects then
-- General case - more than one project is aggregated. We
-- process them one by one spawning the tool for each
-- project. See Process_Aggregated_Projects in
-- Utils.Projects.Aggregate.
null;
else
-- Important and useful particular case - exactly one
-- project is aggregated, so we load it in the environment
-- that already has all the settings from the argument
-- aggregate project:
My_Project_Tree.Unload;
Load
(Self => My_Project_Tree,
Root_Project_Path =>
Create (Filesystem_String
(Aggregate.Get_Aggregated_Prj_Src.all)),
Env => Project_Env,
Errors => Errors'Unrestricted_Access,
Report_Missing_Dirs => False);
end if;
end if;
exception
when Invalid_Project =>
if Error_Printed then
raise Command_Line_Error;
end if;
Cmd_Error (Project_File_Name (Cmd) & ": invalid project");
end Load_Tool_Project;
-----------------------------
-- Load_Aggregated_Project --
-----------------------------
procedure Load_Aggregated_Project is
pragma Assert (Arg (Cmd, Aggregated_Project_File) /= null);
procedure Errors (S : String);
procedure Errors (S : String) is
begin
if Index (S, " not a regular file") /= 0 then
Cmd_Error ("project file " &
Project_File_Name (Cmd) &
" not found");
elsif Index (S, "is illegal for typed string") /= 0 then
Cmd_Error (S);
elsif Index (S, "warning") /= 0
and then Index (S, "directory") /= 0
and then Index (S, "not found") /= 0
then
return;
else
Cmd_Error (S);
end if;
end Errors;
Aggregated_Name : constant Filesystem_String :=
Filesystem_String (Arg (Cmd, Aggregated_Project_File).all);
-- Start of processing for Load_Aggregated_Project
begin
My_Project_Tree.Load
(GNATCOLL.VFS.Create (+Project_File_Name (Cmd)),
Project_Env,
Errors => Errors'Unrestricted_Access,
Report_Missing_Dirs => False);
if My_Project_Tree.Root_Project = No_Project then
Cmd_Error ("project not loaded");
end if;
pragma Assert (Is_Aggregate_Project (My_Project_Tree.Root_Project));
My_Project_Tree.Unload;
Load
(Self => My_Project_Tree,
Root_Project_Path => Create (Aggregated_Name),
Env => Project_Env,
Errors => Errors'Unrestricted_Access,
Report_Missing_Dirs => False);
pragma Assert
(not Is_Aggregate_Project (My_Project_Tree.Root_Project));
end Load_Aggregated_Project;
-----------------
-- Is_Ada_File --
-----------------
function Is_Ada_File (File : Virtual_File) return Boolean is
use Ada.Characters.Handling;
begin
return To_Lower (Language (Info (My_Project_Tree, File))) = "ada";
end Is_Ada_File;
-------------------------
-- Is_Externally_Built --
-------------------------
function Is_Externally_Built (File : Virtual_File) return Boolean is
F_Info : constant File_Info := Info (My_Project_Tree, File);
Proj : constant Project_Type := Project (F_Info);
Attr : constant Attribute_Pkg_String :=
Build ("", "externally_built");
use Ada.Characters.Handling;
begin
if Has_Attribute (Proj, Attr) then
if To_Lower (Attribute_Value (Proj, Attr)) = "true" then
return True;
end if;
end if;
return False;
end Is_Externally_Built;
----------------------------
-- Get_Files_From_Closure --
----------------------------
procedure Get_Files_From_Closure is
Provider : constant Unit_Provider_Reference :=
Create_Project_Unit_Provider
(Tree => My_Project_Tree'Unchecked_Access,
Env => My_Project_Env,
Is_Project_Owner => False);
Ctx : constant Analysis_Context :=
Create_Context (Unit_Provider => Provider);
Mains : constant String_Ref_Array := Main_Unit_Names (Cmd);
Mains_From_Prj : GNAT.OS_Lib.String_List_Access :=
My_Project_Tree.Root_Project.Attribute_Value
(Attribute => Main_Attribute,
Use_Extended => True);
package String_Sets is new
Ada.Containers.Indefinite_Ordered_Sets (String);
use String_Sets;
Closure_Incomplete : Boolean := False;
Closure : Set;
-- Cumulative closure of given main(s)
package Spec_To_Separates_Maps is new
Ada.Containers.Indefinite_Ordered_Maps (String, Set);
use Spec_To_Separates_Maps;
Separates : Map;
-- Stores all separates from the project hierarchy. At the moment
-- P_Unit_Dependencies does not return units containing separates
-- so we need to add them manually: once we have a spec that
-- corresponds to any separates added to the closure, we need
-- to add corresponding separates as well.
procedure Process_Main_Unit (Main_Full : String);
-- Adds closure for given unit to the overall closure
procedure Update_Closure (New_Source : String);
-- Calculate unit dependencies with LAL, for resulting specs
-- recursively process bodies if they exist.
function Is_Source_Of_Interest (Full_Name : String) return Boolean;
-- Checks whether given file is a source of user project. Filters out
-- runtime units, sources from externally built projects and unknown
-- files that are not sources of any project.
---------------------------
-- Is_Source_Of_Interest --
---------------------------
function Is_Source_Of_Interest (Full_Name : String) return Boolean
is
Inf : constant File_Info :=
My_Project_Tree.Info (Create (+Full_Name));
begin
return Inf.Project /= No_Project
and then not Is_Externally_Built (Create (+Full_Name));
end Is_Source_Of_Interest;
-----------------------
-- Process_Main_Unit --
-----------------------
procedure Process_Main_Unit (Main_Full : String) is
begin
Update_Closure (Main_Full);
-- If main is a spec we also need to include the corresponding
-- body in the closure if it exists.
if My_Project_Tree.Info (Create (+Main_Full)).Unit_Part = Unit_Spec
then
declare
Main_Other : constant String :=
My_Project_Tree.Other_File
(Create (+Main_Full)).Display_Full_Name;
begin
if Is_Source_Of_Interest (Main_Other) then
Update_Closure (Main_Other);
end if;
end;
end if;
end Process_Main_Unit;
--------------------
-- Update_Closure --
--------------------
procedure Update_Closure (New_Source : String) is
Unit : Analysis_Unit;
CU : Compilation_Unit;
begin
if Closure.Contains (New_Source)
or else not Is_Source_Of_Interest (New_Source)
then
return;
end if;
Closure.Insert (New_Source);
Unit := Ctx.Get_From_File (New_Source);
CU := Unit.Root.As_Compilation_Unit;
for Dep of CU.P_Unit_Dependencies loop
declare
Src : constant String := Dep.Unit.Get_Filename;
Src_VF : constant Virtual_File := Create (+Src);
Inf : constant File_Info :=
My_Project_Tree.Info (Src_VF);
begin
if not Closure.Contains (Src)
and then Is_Source_Of_Interest (Src)
then
Closure.Insert (Src);
if Inf.Unit_Part = Unit_Spec then
Update_Closure
(My_Project_Tree.Other_File (Src_VF).
Display_Full_Name);
if Separates.Contains (Src) then
for Sep of Separates.Element (Src) loop
Update_Closure (Sep);
end loop;
end if;
end if;
end if;
end;
end loop;
exception
when Ex : others =>
Closure_Incomplete := True;
Formatted_Output.Put
("\1\n",
"could not get dependencies of "
& GNAT.Directory_Operations.Base_Name (New_Source));
if Debug_Flag_U then
Formatted_Output.Put
("\1\n",
Ada.Exceptions.Exception_Name (Ex)
& " : "
& Ada.Exceptions.Exception_Message (Ex)
& ASCII.LF
& GNAT.Traceback.Symbolic.Symbolic_Traceback (Ex));
end if;
end Update_Closure;
begin
-- Populating Separates. This is a temporary solution until
-- P_Unit_Dependencies starts returning separates.
declare
Sources : File_Array_Access :=
My_Project_Tree.Root_Project.Source_Files (Recursive => True);
Tmp_Set : Set;
Spec_VF : Virtual_File;
begin
for Src of Sources.all loop
if My_Project_Tree.Info (Src).Unit_Part = Unit_Separate
then
Spec_VF := My_Project_Tree.Other_File (Src);
if Separates.Contains (Spec_VF.Display_Full_Name) then
Tmp_Set := Separates.Element (Spec_VF.Display_Full_Name);
Tmp_Set.Include (Src.Display_Full_Name);
Separates.Replace (Spec_VF.Display_Full_Name, Tmp_Set);
else
Tmp_Set.Include (Src.Display_Full_Name);
Separates.Include (Spec_VF.Display_Full_Name, Tmp_Set);
end if;
Tmp_Set.Clear;
end if;
end loop;
Unchecked_Free (Sources);
end;
-- Mains on the command line take precedence over the ones specified
-- in the project file.
if Mains'Length > 0 then
for Main of Mains loop
Process_Main_Unit
(My_Project_Tree.Create (+Main.all).Display_Full_Name);
end loop;
else
for Main of Mains_From_Prj.all loop
Process_Main_Unit
(My_Project_Tree.Create (+Main.all).Display_Full_Name);
end loop;
end if;
Free (Mains_From_Prj);
if Closure_Incomplete then
Formatted_Output.Put ("could not get complete closure\n");
end if;
-- We first need to erase the main unit names from the command
-- line to avoid dulicates.
Clear_File_Names (Cmd);
if Debug_Flag_U then
Formatted_Output.Put ("Closure:\n");
end if;
for Src of Closure loop
Append_File_Name (Cmd, Src);
if Debug_Flag_U then
Formatted_Output.Put ("\1\n", Src);
end if;
end loop;
exception
when others =>
Cmd_Error_No_Tool_Name
("could not get closure of specified sources");
end Get_Files_From_Closure;
------------------------------
-- Get_Sources_From_Project --
------------------------------
procedure Get_Sources_From_Project is
Prj : Project_Type;
Files : File_Array_Access;
-- Success : Boolean := False;
Num_Names : constant Natural := Num_File_Names (Cmd);
-- Number of File_Names on the command line
Num_Files_Switches : constant Natural :=
Arg_Length (Cmd, Common.Files);
-- Number of "-files=..." switches on the command line
Argument_File_Specified : constant Boolean :=
(if Arg (Cmd) = Update_All then Num_Files_Switches > 0
else Num_Names > 0 or else Num_Files_Switches > 0);
-- True if we have source files specified on the command line. If -U
-- (Update_All) was specified, then the "file name" (if any) is taken
-- to be the main unit name, not a file name.
function Has_Ada_Mains_Only return Boolean;
-- Checks that root project has mains specified and all of them
-- are Ada mains, no C/C++ or other languages.
------------------------
-- Has_Ada_Mains_Only --
------------------------
function Has_Ada_Mains_Only return Boolean is
Mains_From_Prj : GNAT.OS_Lib.String_List_Access :=
My_Project_Tree.Root_Project.Attribute_Value
(Attribute => Main_Attribute,
Use_Extended => True);
begin
if Mains_From_Prj = null
or else Mains_From_Prj.all'Length = 0
then
Free (Mains_From_Prj);
return False;
end if;
for Main of Mains_From_Prj.all loop
if not Is_Ada_File (My_Project_Tree.Create (+Main.all)) then
Free (Mains_From_Prj);
return False;
end if;
end loop;
Free (Mains_From_Prj);
return True;
end Has_Ada_Mains_Only;
begin
-- We get file names from the project file if Compute_Project_Closure
-- is True, and no file names were given on the command line, either
-- directly, or via one or more "-files=par_file_name" switches.
if Compute_Project_Closure and then not Argument_File_Specified then
if Arg (Cmd) = No_Subprojects
or else (Main_Unit_Names (Cmd)'Length = 0
and then not (Arg (Cmd) = No_Source_Selection
and then Has_Ada_Mains_Only))
then
Prj := My_Project_Tree.Root_Project;
Files := Prj.Source_Files
(Recursive => Arg (Cmd) /= No_Subprojects,
Include_Externally_Built => False);
if Arg (Cmd) = No_Subprojects then
Prj := Prj.Extended_Project;
while Prj /= No_Project loop
Append
(Files,
Prj.Source_Files
(Recursive => False,
Include_Externally_Built => False).all);
Prj := Prj.Extended_Project;
end loop;
end if;
for F in Files'Range loop
if not Is_Externally_Built (Files (F))
and then Is_Ada_File (Files (F))
then
Append_File_Name (Cmd, Files (F).Display_Base_Name);
-- No need to call Callback for non-switches
end if;
end loop;
if Arg (Cmd) = Update_All then
if Num_File_Names (Cmd) = 0 then
Cmd_Error
(Project_File_Name (Cmd) &
"does not contain source files");
end if;
end if;
else
Get_Files_From_Closure;
end if;
end if;
end Get_Sources_From_Project;
-------------------------
-- Set_External_Values --
-------------------------
procedure Set_External_Values is
X_Vars : constant String_Ref_Array := Arg (Cmd, External_Variable);
GPR_TOOL_Set : Boolean := False;
-- True if -XGPR_TOOL=... appears on the command line
begin
for X of X_Vars loop
-- X is of the form "VAR=value"
declare
pragma Assert (X'First = 1);
Equal : constant Natural := Index (X.all, "=");
X_Var : String renames X (1 .. Equal - 1);
X_Val : String renames X (Equal + 1 .. X'Last);
begin
if Equal = 0 then -- "=" not found (????say so)
Cmd_Error ("wrong parameter of -X option: " & X.all);
end if;
if X_Var = "GPR_TOOL" then
GPR_TOOL_Set := True;
end if;
Project_Env.Change_Environment (X_Var, X_Val);
end;
end loop;
-- Set GPR_TOOL, unless it is already set via an environment variable
-- or on the command line.
if not Ada.Environment_Variables.Exists ("GPR_TOOL")
and then not GPR_TOOL_Set
then
Project_Env.Change_Environment ("GPR_TOOL", Basic_Tool_Name);
end if;
end Set_External_Values;
--------------------------
-- Extract_Tool_Options --
--------------------------
procedure Extract_Tool_Options is
Arg_File_Name : String_Access;
Proj : constant Project_Type := Root_Project (My_Project_Tree);
Attr_Switches : constant Attribute_Pkg_List :=
Build (Tool_Package_Name, "Switches");
Attr_Def_Switches : constant Attribute_Pkg_List :=
Build (Tool_Package_Name, "Default_Switches");
Attr_GT_Switches : constant Attribute_Pkg_List :=
Build (Tool_Package_Name, "GNATtest_Switches");
Attr_Indexes : String_List_Access;
Index_Found : Boolean := False;
Project_Switches_Text : Argument_List_Access;
begin
if Num_File_Names (Cmd) = 1 then
-- ????What if the "one file" comes from -files=
Arg_File_Name := new String'(File_Names (Cmd) (1).all);
Attr_Indexes :=
new String_List'(Attribute_Indexes (Proj, Attr_Switches));
for J in Attr_Indexes'Range loop
if Arg_File_Name.all = Attr_Indexes (J).all then
-- What about non-case-sensitive system?
Index_Found := True;
exit;
end if;
end loop;
end if;
if not Index_Found then
-- We have to get tool options from Default_Sources
if Has_Attribute (Proj, Attr_Def_Switches, "ada") then
Project_Switches_Text :=
Attribute_Value (Proj, Attr_Def_Switches, "ada");
elsif Has_Attribute (Proj, Attr_GT_Switches) then
Project_Switches_Text :=
Attribute_Value (Proj, Attr_GT_Switches);
end if;
else
if Has_Attribute (Proj, Attr_Switches) then
Project_Switches_Text :=
Attribute_Value (Proj, Attr_Switches, Arg_File_Name.all);
end if;
end if;
if Project_Switches_Text /= null then
Parse
(Project_Switches_Text,
Cmd,
Phase => Project_File,
Callback => Callback,
Collect_File_Names => False);
-- Collect_File_Names doesn't matter, because we're only parsing
-- switches.
end if;
end Extract_Tool_Options;
----------------------------
-- Set_Global_Result_Dirs --
----------------------------
procedure Set_Global_Result_Dirs is
Global_Report_Dir : Virtual_File;
begin
if not Arg (Cmd, No_Objects_Dir) then
if Arg (Cmd, Subdirs) /= null then
Set_Object_Subdir (Project_Env.all, +Arg (Cmd, Subdirs).all);
Recompute_View
(My_Project_Tree,
Errors => Recompute_View_Errors'Unrestricted_Access);
end if;
Global_Report_Dir := My_Project_Tree.Root_Project.Object_Dir;
if Global_Report_Dir = No_File then
Global_Report_Dir := My_Project_Tree.Root_Project.Project_Path;
end if;
Process_Project.Global_Report_Dir :=
new String'(Display_Dir_Name (Global_Report_Dir));
end if;
end Set_Global_Result_Dirs;
-----------------------------------
-- Set_Individual_Source_Options --
-----------------------------------
procedure Set_Individual_Source_Options is
Sources : constant File_Array_Access :=
My_Project_Tree.Root_Project.Source_Files (Recursive => True);
Project_U : Project_Type;
Attr_Proj : Project_Type;
Source_Info : File_Info;
Name : String_Access;
Sws : String_List_Access;
Is_Default : Boolean := False;
File_Switches : String_Access_Vector;
procedure Scan_Switches;
-- Works on Sws as on a global object. Scans the argument, checks if
-- the element being visited is needed for tree creation, and if it
-- is, stores it in File_Switches.
procedure Add_Switch (S : String);
-- Adds S to File_Switches;
Compiler_Local_Configuration_Pragmas : constant Attribute_Pkg_String
:= Build (Compiler_Package, "Local_Configuration_Pragmas");
Compiler_Local_Config_File : constant Attribute_Pkg_String
:= Build (Compiler_Package, "Local_Config_File");
function Normalize_Switch (S : String) return String;
-- If the switch contains a path, normalizes this path. This is
-- needed because the switch will be used from the temporary
-- directory created by a tool.
procedure Add_Switch (S : String) is
begin
Append (File_Switches, new String'(S));
end Add_Switch;
procedure Scan_Switches is
begin
for J in Sws'Range loop
if Debug_Flag_C then
Put (Sws (J).all & ' ');
end if;
if Needed_For_Tree_Creation (Sws (J).all) then
Add_Switch (Normalize_Switch (Sws (J).all));
end if;
end loop;
if Debug_Flag_C then
if Is_Default then
Put ("(default)");
end if;
Put_Line ("");
end if;
Free (Sws);
end Scan_Switches;
function Normalize_Switch (S : String) return String is
Res : constant String := Trim (S, Both);
Opt_Start : constant Natural := S'First;
Opt_End : Natural;
Path_Start : Natural;
Path_End : constant Natural := S'Last;
begin
if Res'Length >= 9
and then
Res (Opt_Start .. Opt_Start + 5) = "-gnate"
and then
Res (Opt_Start + 6) in 'e' | 'p'
then
Opt_End := Opt_Start + 6;
Path_Start := Opt_End + 1;
while Path_Start < Path_End and then
Res (Path_Start) in ' ' | '='
loop
Path_Start := Path_Start + 1;
end loop;
return Res (Opt_Start .. Opt_End) &
Normalize_Pathname (Res (Path_Start .. Path_End));
else
return Res;
end if;
end Normalize_Switch;
-- Start of processing for Set_Individual_Source_Options
begin
for S in Sources'Range loop
Source_Info := My_Project_Tree.Info (Sources (S));
Project_U := Project (Source_Info);
Name := new String'(Display_Base_Name (Sources (S)));
if Debug_Flag_C then
Put_Line ("Switches defined for " & Name.all);
end if;
Switches
(Project => Project_U,
In_Pkg => Compiler_Package,
File => Sources (S),
Language => "ada",
Value => Sws,
Is_Default_Value => Is_Default);
Scan_Switches;
Switches
(Project => Project_U,
In_Pkg => Builder_Package,
File => Sources (S),
Language => "ada",
Value => Sws,
Is_Default_Value => Is_Default);
Scan_Switches;
if Arg (Cmd) /= Update_All
and then Has_Attribute
(Project_U,
Compiler_Local_Configuration_Pragmas)
then
Attr_Proj :=
Attribute_Project
(Project => Project_U,
Attribute => Compiler_Local_Configuration_Pragmas);
declare
Attr_Val : constant String :=
Attribute_Value
(Project_U,
Compiler_Local_Configuration_Pragmas);
begin
Add_Switch
("-gnatec=" &
Normalize_Pathname
(Name => Attr_Val,
Directory =>
GNAT.Directory_Operations.Dir_Name
(Display_Full_Name (Project_Path (Attr_Proj)))));
end;
end if;
if Arg (Cmd) /= Update_All
and then Has_Attribute
(Project_U,
Compiler_Local_Config_File,
"ada")
then
Attr_Proj :=
Attribute_Project
(Project => Project_U,
Attribute => Compiler_Local_Config_File,
Index => "ada");
declare
Attr_Val : constant String :=
Attribute_Value
(Project_U,
Compiler_Local_Config_File,
"ada");
begin
Add_Switch
("-gnatec=" &
Normalize_Pathname
(Name => Attr_Val,
Directory =>
GNAT.Directory_Operations.Dir_Name
(Display_Full_Name (Project_Path (Attr_Proj)))));
end;
end if;
if Is_Empty (File_Switches) then
if Debug_Flag_C then
Put_Line ("No stored switches");
end if;
end if;
-- Defining the directory to place the file-specific results into:
end loop;
end Set_Individual_Source_Options;
------------------------------
-- Needed_For_Tree_Creation --
------------------------------
function Needed_For_Tree_Creation (Option : String) return Boolean is
Result : Boolean := False;
begin
if Has_Prefix (Option, Prefix => "-gnateD")
or else Has_Prefix (Option, Prefix => "-gnatep")
then
if Preprocessing_Allowed then
Result := True;
else
Cmd_Error ("cannot preprocess argument file, " &
"do preprocessing as a separate step");
end if;
elsif Option = "-gnat83"
or else Option = "-gnat95"
or else Option = "-gnat05"
or else Option = "-gnat12"
or else Option = "-gnatdm"
or else Option = "-gnatd.V"
or else Option = "-gnatI"
or else Has_Prefix (Option, Prefix => "--RTS=")
then
Result := True;
end if;
return Result;
end Needed_For_Tree_Creation;
-- Start of processing for Process_Project
begin
Initialize_Environment;
Set_External_Values;
if Arg (Cmd, Aggregated_Project_File) = null then
Load_Tool_Project;
else
Load_Aggregated_Project;
end if;
if Aggregate.Use_Subprocesses_For_Aggregated_Projects then
if Num_File_Names (Cmd) /= 0 then
Cmd_Error
("argument file cannot be specified for aggregate project");
end if;
if Arg (Cmd) = Update_All then
Cmd_Error ("'-U' cannot be specified for aggregate project");
end if;
-- Information in 'else' below is not extracted from the aggregate
-- project itself.
else
Extract_Tool_Options;
-- Now we need to Parse again, so command-line args override project
-- file args. This needs to be done before getting sources from the
-- project, as -U/--no-subprojects affect source selection and may
-- override each other.
Parse
(Cmd_Text,
Cmd,
Phase => Cmd_Line_2,
Callback => Callback,
Collect_File_Names => False);
Get_Sources_From_Project;
Set_Global_Result_Dirs;
Set_Individual_Source_Options;
end if;
end Process_Project;
-------------------------
-- Read_File_Names_From_File --
-------------------------
procedure Read_File_Names_From_File
(Par_File_Name : String;
Action : not null access procedure (File_Name : String))
is
Arg_File : File_Type;
Next_Ch : Character;
End_Of_Line : Boolean;
function Get_File_Name return String;
-- Reads from Par_File_Name the name of the next file (the file to read
-- from should exist and be opened). Returns an empty string if there is
-- no file names in Par_File_Name any more
function Get_File_Name return String is
File_Name_Buffer : String (1 .. 16 * 1_024);
File_Name_Len : Natural := 0;
begin
if not End_Of_File (Arg_File) then
Get (Arg_File, Next_Ch);
while Next_Ch in ' ' | ASCII.HT | ASCII.LF | ASCII.CR loop
exit when End_Of_File (Arg_File);
Get (Arg_File, Next_Ch);
end loop;
-- If we are here. Next_Ch is neither a white space nor
-- end-of-line character. Two cases are possible, they
-- require different processing:
--
-- 1. Next_Ch = '"', this means that the file name is surrounded
-- by quotation marks and it can contain spaces inside.
--
-- 2. Next_Ch /= '"', this means that the file name is bounded by
-- a white space or end-of-line character
if Next_Ch = '"' then
-- We do not generate any warning for badly formatted content
-- of the file such as
--
-- file_name_1
-- "file name 2
-- file_name_3
--
-- (We do not check that quotation marks correctly go by pairs)
-- Skip leading '"'
Get (Arg_File, Next_Ch);
while Next_Ch not in '"' | ASCII.LF | ASCII.CR loop
File_Name_Len := File_Name_Len + 1;
File_Name_Buffer (File_Name_Len) := Next_Ch;
Look_Ahead (Arg_File, Next_Ch, End_Of_Line);
exit when End_Of_Line or else End_Of_File (Arg_File);
Get (Arg_File, Next_Ch);
end loop;
if Next_Ch = '"'
and then not Ada.Text_IO.End_Of_Line (Arg_File)
then
-- skip trailing '"'
Get (Arg_File, Next_Ch);
end if;
else
while Next_Ch not in ' ' | ASCII.HT | ASCII.LF | ASCII.CR loop
File_Name_Len := File_Name_Len + 1;
File_Name_Buffer (File_Name_Len) := Next_Ch;
Look_Ahead (Arg_File, Next_Ch, End_Of_Line);
exit when End_Of_Line or else End_Of_File (Arg_File);
Get (Arg_File, Next_Ch);
end loop;
end if;
end if;
return File_Name_Buffer (1 .. File_Name_Len);
end Get_File_Name;
-- Start of processing for Read_File_Names_From_File
begin
if not Is_Regular_File (Par_File_Name) then
Cmd_Error (Par_File_Name & " does not exist");
end if;
Open (Arg_File, In_File, Par_File_Name);
loop
declare
Tmp_Str : constant String := Get_File_Name;
begin
exit when Tmp_Str = "";
Action (Tmp_Str);
end;
end loop;
Close (Arg_File);
exception
when others =>
Cmd_Error ("cannot read arguments from " & Par_File_Name);
end Read_File_Names_From_File;
procedure Gnatstub_Special_Case (Cmd : in out Command_Line) is
begin
if Basic_Tool_Name = "gnatstub" then
if Num_File_Names (Cmd) = 2 then
declare
Old : constant String_Ref_Array := File_Names (Cmd);
begin
if Is_Directory (Old (2).all) then
-- Change "gnatstub src dir" to
-- "gnatstub src --output-dir=dir".
Clear_File_Names (Cmd);
Append_File_Name (Cmd, Old (1).all);
Set_Arg (Cmd, Output_Directory, Old (2).all);
end if;
end;
end if;
end if;
end Gnatstub_Special_Case;
procedure Post_Cmd_Line_1 (Cmd : Command_Line) is
use Utils.Environment;
begin
for Dbg of Arg (Cmd, Command_Lines.Common.Debug) loop
Set_Debug_Options (Dbg.all);
end loop;
Tool_Current_Dir := new String'(Initial_Dir);
-- Leave Tool_Inner_Dir = null
end Post_Cmd_Line_1;
procedure Process_Command_Line
(Cmd : in out Command_Line;
Global_Report_Dir : out String_Ref;
The_Project_Tree : out not null Project_Tree_Access;
The_Project_Env : out not null Project_Environment_Access;
Preprocessing_Allowed : Boolean;
Tool_Package_Name : String;
Compute_Project_Closure : Boolean := True;
Callback : Parse_Callback := null;
Print_Help : not null access procedure)
is
-- We have to Parse the command line BEFORE we Parse the project file,
-- because command-line args tell us the name of the project file, and
-- options for processing it.
-- We have to Parse the command line AFTER we Parse the project file,
-- because command-line switches should override those from the project
-- file.
-- So we do both.
-- In addition, we parse the command line ignoring errors first, for
-- --version and --help switches. ???This also sets debug flags, etc.
Cmd_Text : constant Argument_List_Access :=
Text_Args_From_Command_Line (Tool_Package_Name);
begin
The_Project_Tree := My_Project_Tree'Access;
The_Project_Env := Project_Env;
-- First, process --version or --help switches, if present
Parse
(Cmd_Text,
Cmd,
Collect_File_Names => True,
Phase => Cmd_Line_1,
Callback => Callback,
Ignore_Errors => True);
if Incremental_Mode (Cmd) then
Cmd_Error ("--incremental not yet supported");
end if;
Post_Cmd_Line_1 (Cmd);
if Debug_Flag_C then
Print_Command_Line (Incremental_Mode (Cmd), Mimic_gcc (Cmd));
end if;
if Arg (Cmd, Version) then
Versions.Print_Tool_Version;
Environment.Clean_Up;
OS_Exit (0);
end if;
if Arg (Cmd, Help) then
Print_Help.all;
Environment.Clean_Up;
OS_Exit (0);
end if;
if Arg (Cmd, Cargs) then
Cmd_Error_No_Tool_Name
("-cargs switch is no longer supported; use " &
"e.g. --wide-character-encoding=8 instead of -cargs -gnatW8");
end if;
if Arg (Cmd, Verbose)
and then Arg (Cmd, Aggregated_Project_File) = null
then
Versions.Print_Version_Info;
end if;
if Error_Detected (Cmd) then
Parse
(Cmd_Text,
Cmd,
Phase => Cmd_Line_1,
Callback => null,
Collect_File_Names => False);
-- Can't get here, because Parse will have raised Command_Line_Error
raise Program_Error;
end if;
declare
procedure Update_File_Name (File_Name : in out String_Ref);
-- Set File_Name to the full name if -P specified. If the file
-- doesn't exist, or is not a regular file, give an error.
procedure Look_For_GPR (File_Name : in out String_Ref);
-- Look for a project file among argument sources. This allows
-- to support invocation of tool with a project file without -P
-- for example:
-- gnatmetric simple.gpr
procedure Append_One (File_Name : String);
-- Append one file name onto Cmd
procedure Look_For_GPR (File_Name : in out String_Ref) is
use GNAT.Directory_Operations;
begin
if File_Extension (File_Name.all) = ".gpr" then
Set_Arg (Cmd, Project_File, File_Name.all);
end if;
end Look_For_GPR;
procedure Update_File_Name (File_Name : in out String_Ref) is
begin
if Is_Regular_File (File_Name.all) then
return;
end if;
if Arg (Cmd, Project_File) /= null then
declare
Res : constant Virtual_File :=
GNATCOLL.Projects.Create (My_Project_Tree, +File_Name.all);
begin
if Res = No_File then
Cmd_Error ("file not found: " & File_Name.all);
end if;
declare
F_Inf : constant File_Info := Info (My_Project_Tree, Res);
Proj : constant Project_Type := Project (F_Inf);
Attr : constant Attribute_Pkg_String :=
Build ("", "externally_built");
use Ada.Characters.Handling;
begin
if Has_Attribute (Proj, Attr) then
if
To_Lower (Attribute_Value (Proj, Attr)) = "true"
then
Cmd_Error_No_Help
(File_Name.all
& " is from externally built project "
& Proj.Name);
end if;
end if;
end;
File_Name := new String'(Res.Display_Full_Name);
end;
end if;
if Ada.Directories.Exists (File_Name.all)
and then not Is_Regular_File (File_Name.all)
then
Cmd_Error ("not a regular file: " & File_Name.all);
end if;
end Update_File_Name;
procedure Append_One (File_Name : String) is
begin
Append_File_Name (Cmd, File_Name);
end Append_One;
begin
if Arg (Cmd, Project_File) = null then
Iter_File_Names (Cmd, Look_For_GPR'Access);
if Arg (Cmd, Project_File) /= null then
-- We need to remove the project file from argument sources
declare
Old : constant String_Ref_Array := File_Names (Cmd);
begin
Clear_File_Names (Cmd);
for F of Old loop
if F.all /= Arg (Cmd, Project_File).all then
Append_File_Name (Cmd, F.all);
end if;
end loop;
end;
end if;
end if;
if Arg (Cmd, Project_File) /= null then
Process_Project
(Cmd,
Cmd_Text,
Global_Report_Dir,
Preprocessing_Allowed,
My_Project_Tree,
Project_Env,
Tool_Package_Name,
Compute_Project_Closure,
Callback);
Environment.Create_Temp_Dir
(My_Project_Tree.Root_Project.Object_Dir.Display_Full_Name);
else
Environment.Create_Temp_Dir;
end if;
-- Subsequent call to Parse command line again is performed inside
-- Process_Project to happen in time for possible closure
-- computation. And if there is no project file we already have
-- all the switches from the first command line parsing.
-- Environment has:
-- if not Mimic_gcc then
-- -- Ignore unrecognized switches in the inner invocation
-- Error ...
-- The following could just as well happen before the above
-- Cmd_Line_2 Parse, because file names and "-files=par_file_name"
-- switches came from the Cmd_Line_1 Parse, or from the project file.
-- We process the "-files=par_file_name" switches by reading file
-- names from the file(s) and appending those to the command line.
-- Then we update the file names to contain directory information
-- if appropriate.
for Par_File_Name of Arg (Cmd, Files) loop
Read_File_Names_From_File (Par_File_Name.all, Append_One'Access);
end loop;
if not Aggregate.Use_Subprocesses_For_Aggregated_Projects
and then Num_File_Names (Cmd) = 0
then
Cmd_Error ("No input source file set");
end if;
Gnatstub_Special_Case (Cmd);
Sort_File_Names (Cmd);
Iter_File_Names (Cmd, Update_File_Name'Access);
end;
end Process_Command_Line;
------------------------
-- Print_Command_Line --
------------------------
procedure Print_Command_Line (Incremental_Mode, Mimic_gcc : Boolean) is
use Ada.Command_Line, Ada.Directories;
begin
if Incremental_Mode then
Formatted_Output.Put ("(outer)\n ");
end if;
if Mimic_gcc then
Formatted_Output.Put ("(inner)\n ");
end if;
Formatted_Output.Put ("current directory = \1\n", Current_Directory);
-- A4G.A_Debug.Print_Env; -- disable for now
Formatted_Output.Put (" \1", Command_Name);
for X in 1 .. Argument_Count loop
Formatted_Output.Put (" \1", Argument (X));
end loop;
Formatted_Output.Put ("\n");
end Print_Command_Line;
end Utils.Projects;
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