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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- G N A T C M D --
-- --
-- B o d y --
-- --
-- Copyright (C) 1996-2016, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Csets;
with Gnatvsn;
with Makeutl; use Makeutl;
with Namet; use Namet;
with Opt; use Opt;
with Osint; use Osint;
with Output; use Output;
with Prj; use Prj;
with Prj.Env;
with Prj.Ext; use Prj.Ext;
with Prj.Pars;
with Prj.Tree; use Prj.Tree;
with Prj.Util; use Prj.Util;
with Sdefault;
with Sinput.P;
with Snames; use Snames;
with Stringt;
with Switch; use Switch;
with Table;
with Tempdir;
with Types; use Types;
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Command_Line; use Ada.Command_Line;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with GNAT.OS_Lib; use GNAT.OS_Lib;
procedure GNATCmd is
Gprbuild : constant String := "gprbuild";
Gprclean : constant String := "gprclean";
Gprname : constant String := "gprname";
Gprls : constant String := "gprls";
Error_Exit : exception;
-- Raise this exception if error detected
type Command_Type is
(Bind,
Chop,
Clean,
Compile,
Check,
Elim,
Find,
Krunch,
Link,
List,
Make,
Metric,
Name,
Preprocess,
Pretty,
Stack,
Stub,
Test,
Xref,
Undefined);
subtype Real_Command_Type is Command_Type range Bind .. Xref;
-- All real command types (excludes only Undefined).
type Alternate_Command is (Comp, Ls, Kr, Pp, Prep);
-- Alternate command label
Corresponding_To : constant array (Alternate_Command) of Command_Type :=
(Comp => Compile,
Ls => List,
Kr => Krunch,
Prep => Preprocess,
Pp => Pretty);
-- Mapping of alternate commands to commands
Call_GPR_Tool : Boolean := False;
-- True when a GPR tool should be called, if available
Project_Node_Tree : Project_Node_Tree_Ref;
Project_File : String_Access;
Project : Prj.Project_Id;
Current_Verbosity : Prj.Verbosity := Prj.Default;
Tool_Package_Name : Name_Id := No_Name;
Project_Tree : constant Project_Tree_Ref :=
new Project_Tree_Data (Is_Root_Tree => True);
-- The project tree
All_Projects : Boolean := False;
Temp_File_Name : Path_Name_Type := No_Path;
-- The name of the temporary text file to put a list of source/object
-- files to pass to a tool.
package First_Switches is new Table.Table
(Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Gnatcmd.First_Switches");
-- A table to keep the switches from the project file
package Last_Switches is new Table.Table
(Table_Component_Type => String_Access,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 20,
Table_Increment => 100,
Table_Name => "Gnatcmd.Last_Switches");
----------------------------------
-- Declarations for GNATCMD use --
----------------------------------
The_Command : Command_Type;
-- The command specified in the invocation of the GNAT driver
Command_Arg : Positive := 1;
-- The index of the command in the arguments of the GNAT driver
My_Exit_Status : Exit_Status := Success;
-- The exit status of the spawned tool
type Command_Entry is record
Cname : String_Access;
-- Command name for GNAT xxx command
Unixcmd : String_Access;
-- Corresponding Unix command
Unixsws : Argument_List_Access;
-- List of switches to be used with the Unix command
end record;
Command_List : constant array (Real_Command_Type) of Command_Entry :=
(Bind =>
(Cname => new String'("BIND"),
Unixcmd => new String'("gnatbind"),
Unixsws => null),
Chop =>
(Cname => new String'("CHOP"),
Unixcmd => new String'("gnatchop"),
Unixsws => null),
Clean =>
(Cname => new String'("CLEAN"),
Unixcmd => new String'("gnatclean"),
Unixsws => null),
Compile =>
(Cname => new String'("COMPILE"),
Unixcmd => new String'("gnatmake"),
Unixsws => new Argument_List'(1 => new String'("-f"),
2 => new String'("-u"),
3 => new String'("-c"))),
Check =>
(Cname => new String'("CHECK"),
Unixcmd => new String'("gnatcheck"),
Unixsws => null),
Elim =>
(Cname => new String'("ELIM"),
Unixcmd => new String'("gnatelim"),
Unixsws => null),
Find =>
(Cname => new String'("FIND"),
Unixcmd => new String'("gnatfind"),
Unixsws => null),
Krunch =>
(Cname => new String'("KRUNCH"),
Unixcmd => new String'("gnatkr"),
Unixsws => null),
Link =>
(Cname => new String'("LINK"),
Unixcmd => new String'("gnatlink"),
Unixsws => null),
List =>
(Cname => new String'("LIST"),
Unixcmd => new String'("gnatls"),
Unixsws => null),
Make =>
(Cname => new String'("MAKE"),
Unixcmd => new String'("gnatmake"),
Unixsws => null),
Metric =>
(Cname => new String'("METRIC"),
Unixcmd => new String'("gnatmetric"),
Unixsws => null),
Name =>
(Cname => new String'("NAME"),
Unixcmd => new String'("gnatname"),
Unixsws => null),
Preprocess =>
(Cname => new String'("PREPROCESS"),
Unixcmd => new String'("gnatprep"),
Unixsws => null),
Pretty =>
(Cname => new String'("PRETTY"),
Unixcmd => new String'("gnatpp"),
Unixsws => null),
Stack =>
(Cname => new String'("STACK"),
Unixcmd => new String'("gnatstack"),
Unixsws => null),
Stub =>
(Cname => new String'("STUB"),
Unixcmd => new String'("gnatstub"),
Unixsws => null),
Test =>
(Cname => new String'("TEST"),
Unixcmd => new String'("gnattest"),
Unixsws => null),
Xref =>
(Cname => new String'("XREF"),
Unixcmd => new String'("gnatxref"),
Unixsws => null)
);
subtype SA is String_Access;
Naming_String : constant SA := new String'("naming");
Gnatls_String : constant SA := new String'("gnatls");
Packages_To_Check_By_Gnatls : constant String_List_Access :=
new String_List'((Naming_String, Gnatls_String));
Packages_To_Check : String_List_Access := Prj.All_Packages;
-----------------------
-- Local Subprograms --
-----------------------
procedure Check_Files;
-- For GNAT LIST -V, check if a project file is specified, without any file
-- arguments and without a switch -files=. If it is the case, invoke the
-- GNAT tool with the proper list of files, derived from the sources of
-- the project.
procedure Output_Version;
-- Output the version of this program
procedure Usage;
-- Display usage
-----------------
-- Check_Files --
-----------------
procedure Check_Files is
Add_Sources : Boolean := True;
Unit : Prj.Unit_Index;
Subunit : Boolean := False;
FD : File_Descriptor := Invalid_FD;
Status : Integer;
Success : Boolean;
procedure Add_To_Response_File
(File_Name : String;
Check_File : Boolean := True);
-- Include the file name passed as parameter in the response file for
-- the tool being called. If the response file can not be written then
-- the file name is passed in the parameter list of the tool. If the
-- Check_File parameter is True then the procedure verifies the
-- existence of the file before adding it to the response file.
--------------------------
-- Add_To_Response_File --
--------------------------
procedure Add_To_Response_File
(File_Name : String;
Check_File : Boolean := True)
is
begin
Name_Len := 0;
Add_Str_To_Name_Buffer (File_Name);
if not Check_File or else
Is_Regular_File (Name_Buffer (1 .. Name_Len))
then
if FD /= Invalid_FD then
Name_Len := Name_Len + 1;
Name_Buffer (Name_Len) := ASCII.LF;
Status := Write (FD, Name_Buffer (1)'Address, Name_Len);
if Status /= Name_Len then
Osint.Fail ("disk full");
end if;
else
Last_Switches.Increment_Last;
Last_Switches.Table (Last_Switches.Last) :=
new String'(File_Name);
end if;
end if;
end Add_To_Response_File;
-- Start of processing for Check_Files
begin
-- Check if there is at least one argument that is not a switch
for Index in 1 .. Last_Switches.Last loop
if Last_Switches.Table (Index) (1) /= '-'
or else (Last_Switches.Table (Index).all'Length > 7
and then Last_Switches.Table (Index) (1 .. 7) = "-files=")
then
Add_Sources := False;
exit;
end if;
end loop;
-- If all arguments are switches and there is no switch -files=, add the
-- path names of all the sources of the main project.
if Add_Sources then
Tempdir.Create_Temp_File (FD, Temp_File_Name);
Record_Temp_File (Project_Tree.Shared, Temp_File_Name);
Last_Switches.Increment_Last;
Last_Switches.Table (Last_Switches.Last) :=
new String'("-files=" & Get_Name_String (Temp_File_Name));
Unit := Units_Htable.Get_First (Project_Tree.Units_HT);
while Unit /= No_Unit_Index loop
-- We only need to put the library units, body or spec, but not
-- the subunits.
if Unit.File_Names (Impl) /= null
and then not Unit.File_Names (Impl).Locally_Removed
then
-- There is a body, check if it is for this project
if All_Projects
or else Unit.File_Names (Impl).Project = Project
then
Subunit := False;
if Unit.File_Names (Spec) = null
or else Unit.File_Names (Spec).Locally_Removed
then
-- We have a body with no spec: we need to check if
-- this is a subunit, because gnatls will complain
-- about subunits.
declare
Src_Ind : constant Source_File_Index :=
Sinput.P.Load_Project_File
(Get_Name_String
(Unit.File_Names (Impl).Path.Name));
begin
Subunit := Sinput.P.Source_File_Is_Subunit (Src_Ind);
end;
end if;
if not Subunit then
Add_To_Response_File
(Get_Name_String (Unit.File_Names (Impl).Display_File),
Check_File => False);
end if;
end if;
elsif Unit.File_Names (Spec) /= null
and then not Unit.File_Names (Spec).Locally_Removed
then
-- We have a spec with no body. Check if it is for this project
if All_Projects
or else Unit.File_Names (Spec).Project = Project
then
Add_To_Response_File
(Get_Name_String (Unit.File_Names (Spec).Display_File),
Check_File => False);
end if;
end if;
Unit := Units_Htable.Get_Next (Project_Tree.Units_HT);
end loop;
if FD /= Invalid_FD then
Close (FD, Success);
if not Success then
Osint.Fail ("disk full");
end if;
end if;
end if;
end Check_Files;
--------------------
-- Output_Version --
--------------------
procedure Output_Version is
begin
Put ("GNAT ");
Put_Line (Gnatvsn.Gnat_Version_String);
Put_Line ("Copyright 1996-" & Gnatvsn.Current_Year
& ", Free Software Foundation, Inc.");
end Output_Version;
-----------
-- Usage --
-----------
procedure Usage is
begin
Output_Version;
New_Line;
Put_Line ("List of available commands");
New_Line;
for C in Command_List'Range loop
Put ("gnat ");
Put (To_Lower (Command_List (C).Cname.all));
Set_Col (25);
Put (Program_Name (Command_List (C).Unixcmd.all, "gnat").all);
declare
Sws : Argument_List_Access renames Command_List (C).Unixsws;
begin
if Sws /= null then
for J in Sws'Range loop
Put (' ');
Put (Sws (J).all);
end loop;
end if;
end;
New_Line;
end loop;
New_Line;
end Usage;
procedure Check_Version_And_Help is new Check_Version_And_Help_G (Usage);
-- Start of processing for GNATCmd
begin
-- All output from GNATCmd is debugging or error output: send to stderr
Set_Standard_Error;
-- Initializations
Csets.Initialize;
Snames.Initialize;
Stringt.Initialize;
Prj.Tree.Initialize (Root_Environment, Gnatmake_Flags);
Project_Node_Tree := new Project_Node_Tree_Data;
Prj.Tree.Initialize (Project_Node_Tree);
Prj.Initialize (Project_Tree);
Last_Switches.Init;
Last_Switches.Set_Last (0);
First_Switches.Init;
First_Switches.Set_Last (0);
-- Put the command line in environment variable GNAT_DRIVER_COMMAND_LINE,
-- so that the spawned tool may know the way the GNAT driver was invoked.
Name_Len := 0;
Add_Str_To_Name_Buffer (Command_Name);
for J in 1 .. Argument_Count loop
Add_Char_To_Name_Buffer (' ');
Add_Str_To_Name_Buffer (Argument (J));
end loop;
Setenv ("GNAT_DRIVER_COMMAND_LINE", Name_Buffer (1 .. Name_Len));
-- Add the directory where the GNAT driver is invoked in front of the path,
-- if the GNAT driver is invoked with directory information.
declare
Command : constant String := Command_Name;
begin
for Index in reverse Command'Range loop
if Command (Index) = Directory_Separator then
declare
Absolute_Dir : constant String :=
Normalize_Pathname (Command (Command'First .. Index));
PATH : constant String :=
Absolute_Dir & Path_Separator & Getenv ("PATH").all;
begin
Setenv ("PATH", PATH);
end;
exit;
end if;
end loop;
end;
-- Scan the command line
-- First, scan to detect --version and/or --help
Check_Version_And_Help ("GNAT", "1996");
begin
loop
if Command_Arg <= Argument_Count
and then Argument (Command_Arg) = "-v"
then
Verbose_Mode := True;
Command_Arg := Command_Arg + 1;
elsif Command_Arg <= Argument_Count
and then Argument (Command_Arg) = "-dn"
then
Keep_Temporary_Files := True;
Command_Arg := Command_Arg + 1;
else
exit;
end if;
end loop;
-- If there is no command, just output the usage
if Command_Arg > Argument_Count then
Usage;
return;
end if;
The_Command := Real_Command_Type'Value (Argument (Command_Arg));
exception
when Constraint_Error =>
-- Check if it is an alternate command
declare
Alternate : Alternate_Command;
begin
Alternate := Alternate_Command'Value (Argument (Command_Arg));
The_Command := Corresponding_To (Alternate);
exception
when Constraint_Error =>
Usage;
Fail ("unknown command: " & Argument (Command_Arg));
end;
end;
-- Get the arguments from the command line and from the eventual
-- argument file(s) specified on the command line.
for Arg in Command_Arg + 1 .. Argument_Count loop
declare
The_Arg : constant String := Argument (Arg);
begin
-- Check if an argument file is specified
if The_Arg (The_Arg'First) = '@' then
declare
Arg_File : Ada.Text_IO.File_Type;
Line : String (1 .. 256);
Last : Natural;
begin
-- Open the file and fail if the file cannot be found
begin
Open (Arg_File, In_File,
The_Arg (The_Arg'First + 1 .. The_Arg'Last));
exception
when others =>
Put (Standard_Error, "Cannot open argument file """);
Put (Standard_Error,
The_Arg (The_Arg'First + 1 .. The_Arg'Last));
Put_Line (Standard_Error, """");
raise Error_Exit;
end;
-- Read line by line and put the content of each non-
-- empty line in the Last_Switches table.
while not End_Of_File (Arg_File) loop
Get_Line (Arg_File, Line, Last);
if Last /= 0 then
Last_Switches.Increment_Last;
Last_Switches.Table (Last_Switches.Last) :=
new String'(Line (1 .. Last));
end if;
end loop;
Close (Arg_File);
end;
else
-- It is not an argument file; just put the argument in
-- the Last_Switches table.
Last_Switches.Increment_Last;
Last_Switches.Table (Last_Switches.Last) := new String'(The_Arg);
end if;
end;
end loop;
declare
Program : String_Access;
Exec_Path : String_Access;
Get_Target : Boolean := False;
begin
if The_Command = Stack then
-- Never call gnatstack with a prefix
Program := new String'(Command_List (The_Command).Unixcmd.all);
else
Program :=
Program_Name (Command_List (The_Command).Unixcmd.all, "gnat");
-- If we want to invoke gnatmake/gnatclean with -P, then check if
-- gprbuild/gprclean is available; if it is, use gprbuild/gprclean
-- instead of gnatmake/gnatclean.
-- Ditto for gnatname -> gprname and gnatls -> gprls.
if The_Command = Make
or else The_Command = Compile
or else The_Command = Bind
or else The_Command = Link
or else The_Command = Clean
or else The_Command = Name
or else The_Command = List
then
declare
Switch : String_Access;
Dash_V_Switch : constant String := "-V";
begin
for J in 1 .. Last_Switches.Last loop
Switch := Last_Switches.Table (J);
if The_Command = List and then Switch.all = Dash_V_Switch
then
Call_GPR_Tool := False;
exit;
end if;
if Switch'Length >= 2
and then Switch (Switch'First .. Switch'First + 1) = "-P"
then
Call_GPR_Tool := True;
end if;
end loop;
if Call_GPR_Tool then
case The_Command is
when Make | Compile | Bind | Link =>
if Locate_Exec_On_Path (Gprbuild) /= null then
Program := new String'(Gprbuild);
Get_Target := True;
if The_Command = Bind then
First_Switches.Append (new String'("-b"));
elsif The_Command = Link then
First_Switches.Append (new String'("-l"));
end if;
elsif The_Command = Bind then
Fail
("'gnat bind -P' is no longer supported;" &
" use 'gprbuild -b' instead.");
elsif The_Command = Link then
Fail
("'gnat Link -P' is no longer supported;" &
" use 'gprbuild -l' instead.");
end if;
when Clean =>
if Locate_Exec_On_Path (Gprclean) /= null then
Program := new String'(Gprclean);
Get_Target := True;
end if;
when Name =>
if Locate_Exec_On_Path (Gprname) /= null then
Program := new String'(Gprname);
Get_Target := True;
end if;
when List =>
if Locate_Exec_On_Path (Gprls) /= null then
Program := new String'(Gprls);
Get_Target := True;
end if;
when others =>
null;
end case;
if Get_Target then
Find_Program_Name;
if Name_Len > 5 then
First_Switches.Append
(new String'
("--target=" & Name_Buffer (1 .. Name_Len - 5)));
end if;
end if;
end if;
end;
end if;
end if;
-- Locate the executable for the command
Exec_Path := Locate_Exec_On_Path (Program.all);
if Exec_Path = null then
Put_Line (Standard_Error, "could not locate " & Program.all);
raise Error_Exit;
end if;
-- If there are switches for the executable, put them as first switches
if Command_List (The_Command).Unixsws /= null then
for J in Command_List (The_Command).Unixsws'Range loop
First_Switches.Increment_Last;
First_Switches.Table (First_Switches.Last) :=
Command_List (The_Command).Unixsws (J);
end loop;
end if;
-- For FIND and XREF, look for switch -P. If it is specified, then
-- report an error indicating that the command is no longer supporting
-- project files.
if The_Command = Find or else The_Command = Xref then
declare
Argv : String_Access;
begin
for Arg_Num in 1 .. Last_Switches.Last loop
Argv := Last_Switches.Table (Arg_Num);
if Argv'Length >= 2 and then
Argv (Argv'First .. Argv'First + 1) = "-P"
then
if The_Command = Find then
Fail ("'gnat find -P' is no longer supported;");
else
Fail ("'gnat xref -P' is no longer supported;");
end if;
end if;
end loop;
end;
end if;
if The_Command = List and then not Call_GPR_Tool then
Tool_Package_Name := Name_Gnatls;
Packages_To_Check := Packages_To_Check_By_Gnatls;
-- Check that the switches are consistent. Detect project file
-- related switches.
Inspect_Switches : declare
Arg_Num : Positive := 1;
Argv : String_Access;
procedure Remove_Switch (Num : Positive);
-- Remove a project related switch from table Last_Switches
-------------------
-- Remove_Switch --
-------------------
procedure Remove_Switch (Num : Positive) is
begin
Last_Switches.Table (Num .. Last_Switches.Last - 1) :=
Last_Switches.Table (Num + 1 .. Last_Switches.Last);
Last_Switches.Decrement_Last;
end Remove_Switch;
-- Start of processing for Inspect_Switches
begin
while Arg_Num <= Last_Switches.Last loop
Argv := Last_Switches.Table (Arg_Num);
if Argv (Argv'First) = '-' then
if Argv'Length = 1 then
Fail ("switch character cannot be followed by a blank");
end if;
-- --subdirs=... Specify Subdirs
if Argv'Length > Makeutl.Subdirs_Option'Length
and then
Argv
(Argv'First ..
Argv'First + Makeutl.Subdirs_Option'Length - 1) =
Makeutl.Subdirs_Option
then
Subdirs :=
new String'
(Argv (Argv'First + Makeutl.Subdirs_Option'Length ..
Argv'Last));
Remove_Switch (Arg_Num);
-- -aPdir Add dir to the project search path
elsif Argv'Length > 3
and then Argv (Argv'First + 1 .. Argv'First + 2) = "aP"
then
Prj.Env.Add_Directories
(Root_Environment.Project_Path,
Argv (Argv'First + 3 .. Argv'Last));
-- Pass -aPdir to gnatls, but not to other tools
if The_Command = List then
Arg_Num := Arg_Num + 1;
else
Remove_Switch (Arg_Num);
end if;
-- -eL Follow links for files
elsif Argv.all = "-eL" then
Follow_Links_For_Files := True;
Follow_Links_For_Dirs := True;
Remove_Switch (Arg_Num);
-- -vPx Specify verbosity while parsing project files
elsif Argv'Length >= 3
and then Argv (Argv'First + 1 .. Argv'First + 2) = "vP"
then
if Argv'Length = 4
and then Argv (Argv'Last) in '0' .. '2'
then
case Argv (Argv'Last) is
when '0' =>
Current_Verbosity := Prj.Default;
when '1' =>
Current_Verbosity := Prj.Medium;
when '2' =>
Current_Verbosity := Prj.High;
when others =>
-- Cannot happen
raise Program_Error;
end case;
else
Fail ("invalid verbosity level: "
& Argv (Argv'First + 3 .. Argv'Last));
end if;
Remove_Switch (Arg_Num);
-- -Pproject_file Specify project file to be used
elsif Argv (Argv'First + 1) = 'P' then
-- Only one -P switch can be used
if Project_File /= null then
Fail
(Argv.all
& ": second project file forbidden (first is """
& Project_File.all & """)");
elsif Argv'Length = 2 then
-- There is space between -P and the project file
-- name. -P cannot be the last option.
if Arg_Num = Last_Switches.Last then
Fail ("project file name missing after -P");
else
Remove_Switch (Arg_Num);
Argv := Last_Switches.Table (Arg_Num);
-- After -P, there must be a project file name,
-- not another switch.
if Argv (Argv'First) = '-' then
Fail ("project file name missing after -P");
else
Project_File := new String'(Argv.all);
end if;
end if;
else
-- No space between -P and project file name
Project_File :=
new String'(Argv (Argv'First + 2 .. Argv'Last));
end if;
Remove_Switch (Arg_Num);
-- -Xexternal=value Specify an external reference to be
-- used in project files
elsif Argv'Length >= 5
and then Argv (Argv'First + 1) = 'X'
then
if not Check (Root_Environment.External,
Argv (Argv'First + 2 .. Argv'Last))
then
Fail
(Argv.all & " is not a valid external assignment.");
end if;
Remove_Switch (Arg_Num);
-- --unchecked-shared-lib-imports
elsif Argv.all = "--unchecked-shared-lib-imports" then
Opt.Unchecked_Shared_Lib_Imports := True;
Remove_Switch (Arg_Num);
-- gnat list -U
elsif
The_Command = List
and then Argv'Length = 2
and then Argv (2) = 'U'
then
All_Projects := True;
Remove_Switch (Arg_Num);
else
Arg_Num := Arg_Num + 1;
end if;
else
Arg_Num := Arg_Num + 1;
end if;
end loop;
end Inspect_Switches;
end if;
-- Add the default project search directories now, after the directories
-- that have been specified by switches -aP<dir>.
Prj.Env.Initialize_Default_Project_Path
(Root_Environment.Project_Path,
Target_Name => Sdefault.Target_Name.all);
-- If there is a project file specified, parse it, get the switches
-- for the tool and setup PATH environment variables.
if Project_File /= null then
Prj.Pars.Set_Verbosity (To => Current_Verbosity);
Prj.Pars.Parse
(Project => Project,
In_Tree => Project_Tree,
In_Node_Tree => Project_Node_Tree,
Project_File_Name => Project_File.all,
Env => Root_Environment,
Packages_To_Check => Packages_To_Check);
-- Prj.Pars.Parse calls Set_Standard_Output, reset to stderr
Set_Standard_Error;
if Project = Prj.No_Project then
Fail ("""" & Project_File.all & """ processing failed");
elsif Project.Qualifier = Aggregate then
Fail ("aggregate projects are not supported");
elsif Aggregate_Libraries_In (Project_Tree) then
Fail ("aggregate library projects are not supported");
end if;
-- Check if a package with the name of the tool is in the project
-- file and if there is one, get the switches, if any, and scan them.
declare
Pkg : constant Prj.Package_Id :=
Prj.Util.Value_Of
(Name => Tool_Package_Name,
In_Packages => Project.Decl.Packages,
Shared => Project_Tree.Shared);
Element : Package_Element;
Switches_Array : Array_Element_Id;
The_Switches : Prj.Variable_Value;
Current : Prj.String_List_Id;
The_String : String_Element;
Main : String_Access := null;
begin
if Pkg /= No_Package then
Element := Project_Tree.Shared.Packages.Table (Pkg);
-- Package Gnatls has a single attribute Switches, that is not
-- an associative array.
if The_Command = List then
The_Switches :=
Prj.Util.Value_Of
(Variable_Name => Snames.Name_Switches,
In_Variables => Element.Decl.Attributes,
Shared => Project_Tree.Shared);
-- Packages Binder (for gnatbind), Cross_Reference (for
-- gnatxref), Linker (for gnatlink), Finder (for gnatfind),
-- have an attributed Switches, an associative array, indexed
-- by the name of the file.
-- They also have an attribute Default_Switches, indexed by the
-- name of the programming language.
else
-- First check if there is a single main
for J in 1 .. Last_Switches.Last loop
if Last_Switches.Table (J) (1) /= '-' then
if Main = null then
Main := Last_Switches.Table (J);
else
Main := null;
exit;
end if;
end if;
end loop;
if Main /= null then
Switches_Array :=
Prj.Util.Value_Of
(Name => Name_Switches,
In_Arrays => Element.Decl.Arrays,
Shared => Project_Tree.Shared);
Name_Len := 0;
-- If the single main has been specified as an absolute
-- path, use only the simple file name. If the absolute
-- path is incorrect, an error will be reported by the
-- underlying tool and it does not make a difference
-- what switches are used.
if Is_Absolute_Path (Main.all) then
Add_Str_To_Name_Buffer (File_Name (Main.all));
else
Add_Str_To_Name_Buffer (Main.all);
end if;
The_Switches := Prj.Util.Value_Of
(Index => Name_Find,
Src_Index => 0,
In_Array => Switches_Array,
Shared => Project_Tree.Shared);
end if;
if The_Switches.Kind = Prj.Undefined then
Switches_Array :=
Prj.Util.Value_Of
(Name => Name_Default_Switches,
In_Arrays => Element.Decl.Arrays,
Shared => Project_Tree.Shared);
The_Switches := Prj.Util.Value_Of
(Index => Name_Ada,
Src_Index => 0,
In_Array => Switches_Array,
Shared => Project_Tree.Shared);
end if;
end if;
-- If there are switches specified in the package of the
-- project file corresponding to the tool, scan them.
case The_Switches.Kind is
when Prj.Undefined =>
null;
when Prj.Single =>
declare
Switch : constant String :=
Get_Name_String (The_Switches.Value);
begin
if Switch'Length > 0 then
First_Switches.Increment_Last;
First_Switches.Table (First_Switches.Last) :=
new String'(Switch);
end if;
end;
when Prj.List =>
Current := The_Switches.Values;
while Current /= Prj.Nil_String loop
The_String := Project_Tree.Shared.String_Elements.
Table (Current);
declare
Switch : constant String :=
Get_Name_String (The_String.Value);
begin
if Switch'Length > 0 then
First_Switches.Increment_Last;
First_Switches.Table (First_Switches.Last) :=
new String'(Switch);
end if;
end;
Current := The_String.Next;
end loop;
end case;
end if;
end;
if The_Command = Bind or else The_Command = Link then
if Project.Object_Directory.Name = No_Path then
Fail ("project " & Get_Name_String (Project.Display_Name)
& " has no object directory");
end if;
Change_Dir (Get_Name_String (Project.Object_Directory.Name));
end if;
-- Set up the env vars for project path files
Prj.Env.Set_Ada_Paths
(Project, Project_Tree, Including_Libraries => True);
if The_Command = List then
Check_Files;
end if;
end if;
-- Gather all the arguments and invoke the executable
declare
The_Args : Argument_List
(1 .. First_Switches.Last + Last_Switches.Last);
Arg_Num : Natural := 0;
begin
for J in 1 .. First_Switches.Last loop
Arg_Num := Arg_Num + 1;
The_Args (Arg_Num) := First_Switches.Table (J);
end loop;
for J in 1 .. Last_Switches.Last loop
Arg_Num := Arg_Num + 1;
The_Args (Arg_Num) := Last_Switches.Table (J);
end loop;
if Verbose_Mode then
Put (Exec_Path.all);
for Arg in The_Args'Range loop
Put (" " & The_Args (Arg).all);
end loop;
New_Line;
end if;
My_Exit_Status := Exit_Status (Spawn (Exec_Path.all, The_Args));
if not Keep_Temporary_Files then
Delete_All_Temp_Files (Project_Tree.Shared);
end if;
Set_Exit_Status (My_Exit_Status);
end;
end;
exception
when Error_Exit =>
Set_Exit_Status (Failure);
end GNATCmd;
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