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3532 | --
-- Copyright (C) 2019-2023, AdaCore
--
-- SPDX-License-Identifier: Apache-2.0 WITH LLVM-Exception
--
with Ada.Command_Line;
with Ada.Directories;
with Ada.Exceptions;
with Ada.Text_IO;
with Ada.Strings.Fixed;
with GNAT.Directory_Operations;
with GNAT.OS_Lib;
with GNATCOLL.OS.Process;
with GNATCOLL.Traces;
with GNATCOLL.VFS;
with GNATCOLL.VFS_Utils;
with GPR2.KB.Compiler_Iterator;
with GPR2.KB.Parsing;
with GPR2.Message;
package body GPR2.KB is
Main_Trace : constant GNATCOLL.Traces.Trace_Handle :=
GNATCOLL.Traces.Create
("KNOWLEDGE_BASE",
GNATCOLL.Traces.Off);
Match_Trace : constant GNATCOLL.Traces.Trace_Handle :=
GNATCOLL.Traces.Create
("KNOWLEDGE_BASE.MATHCING",
GNATCOLL.Traces.Off);
No_Compatible_Compilers : exception;
-- Raised when any combination of compilers found can form a supported
-- configuration.
procedure Complete_Command_Line_Compilers
(Self : in out Object;
On_Target : Name_Type;
Filters : Compiler_Lists.List;
Compilers : in out Compiler_Lists.List;
Selected_Target : in out Unbounded_String;
Fallback : Boolean;
Errors : out Log.Object;
Environment : GPR2.Environment.Object);
-- In batch mode, the configuration descriptions indicate what compilers
-- should be selected. Each of these descriptions selects the first
-- matching compiler available, and all descriptions must match a compiler.
-- The information provided by the user does not have to be complete, and
-- this procedure completes all missing information like version, runtime,
-- and so on.
-- Filters is the list specified by the user, and contains potentially
-- partial information for each compiler. On output, Compilers is completed
-- with the full information for all compilers in Filters.
-- If any of the required compilers cannot be found corresponding
-- diagnostic is passed through Errors.
-- If no set of compatible compilers was found raises
-- No_Compatible_Compilers.
function Extra_Dirs_From_Filters
(Filters : Compiler_Lists.List) return String;
-- Compute the list of directories that should be prepended to the PATH
-- when searching for compilers. These are all the directories that the
-- user has explicitly specified in his filters.
function Is_Language_With_No_Compiler
(Self : Object;
Language : Language_Id) return Boolean;
-- Given a language name (lower case), returns True if that language is
-- known to require no compiler.
function Is_Supported_Config
(Self : Object;
Compilers : Compiler_Lists.List) return Boolean;
-- Whether we know how to link code compiled with all the selected
-- compilers.
procedure Parse_All_Dirs
(Processed_Value : out External_Value_Lists.List;
Visited : in out String_To_External_Value.Map;
Current_Dir : String;
Path_To_Check : String;
Regexp : Regpat.Pattern_Matcher;
Regexp_Str : String;
Value_If_Match : String;
Group : Integer;
Group_Match : String := "";
Group_Count : Natural := 0;
Contents : Pattern_Matcher_Holder;
Merge_Same_Dirs : Boolean;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object);
-- Parses all subdirectories of Current_Dir for those that match
-- Path_To_Check (see description of <directory>). When a match is found,
-- the regexp is evaluated against the current directory, and the matching
-- parenthesis group is appended to Append_To (comma-separated).
-- If Group is -1, then Value_If_Match is used instead of the parenthesis
-- group.
-- Group_Match is the substring that matched Group (if it has been matched
-- already). Group_Count is the number of parenthesis groups that have been
-- processed so far. The idea is to compute the matching substring as we
-- go, since the regexp might no longer match in the end, if for instance
-- it includes ".." directories.
--
-- If Merge_Same_Dirs is True, then the values that come from a
-- <directory> node will be merged (the last one is kept, other removed) if
-- they point to the same physical directory (after normalizing names). In
-- this case, Visited contains the list of normalized directory names.
--
-- Contents, if specified, is a regular expression. It indicates that any
-- file matching the pattern should be parsed, and the first line matching
-- that regexp should be used as the name of the file instead. This is a
-- way to simulate symbolic links on platforms that do not use them.
generic
with function Callback (Var_Name, Index : String) return String;
function Substitute_Variables
(Str : String;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String;
-- Substitutes variables in Str (their value is computed through Callback).
-- Possible errors are stored in Messages.
function Substitute_Variables_In_Compiler_Description
(Str : String;
Comp : Compiler;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String;
-- Substitutes the special "$..." names in compiler description
package Ordered_Languages_Vectors is new
Ada.Containers.Vectors (Positive, Language_Id);
subtype Ordered_Languages is Ordered_Languages_Vectors.Vector;
function Substitute_Variables_In_Configuration
(Self : Object;
Str : String;
Comps : Compiler_Lists.List;
Langs : Ordered_Languages;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String;
-- Substitutes the special "$..." names in configuration
function Get_Variable_Value
(Comp : Compiler;
Name : String) return String;
-- Returns the value of a predefined or user-defined variable.
-- If the variable is not defined a warning is emitted and an empty
-- string is returned.
function Get_String_No_Adalib (Str : String) return String;
-- Returns the name without "adalib" at the end
function To_String (Comp : Compiler) return String;
-- Return a string representing the compiler. Used for diagnostics.
function To_String (Compilers : Compiler_Lists.List) return String;
-- Return a string representing the list of compilers. Only Selected
-- compilers are taken into account. Used for diagnostics.
procedure Set_Selection
(Compilers : in out Compiler_Lists.List;
Cursor : Compiler_Lists.Cursor;
Selected : Boolean);
function Match
(Filter : Compilers_Filter_Lists.List;
Compilers : Compiler_Lists.List) return Boolean;
-- Returns True if all elements of Filter matches against Compilers.
-- Filter represents the list of nodes <configuration><compilers>.
function Match
(Filter : Compilers_Filter;
Compilers : Compiler_Lists.List) return Boolean;
-- Returns True if at least one component of Filter matches against
-- Compilers, taking into account the negate value.
-- Filter represents a single node <configuration><compilers>.
function Match
(Filter : Compiler_Filter;
Compilers : Compiler_Lists.List) return Boolean;
-- Returns True if at least on of the Compilers match the filter.
-- Filter represents a single node <configuration><compilers><compiler>.
function Match
(Target_Filter : Double_String_Lists.List;
Negate : Boolean;
Compilers : Compiler_Lists.List) return Boolean;
-- Return True if Filter matches the list of selected configurations
function Generate_Configuration
(Self : Object;
Compilers : Compiler_Lists.List;
Target : String;
Langs : Ordered_Languages;
Errors : in out Log.Object) return Unbounded_String;
-- Generate the configuration string for the list of selected compilers
package String_Maps is new Ada.Containers.Indefinite_Ordered_Maps
(String, String);
procedure Merge_Config
(Self : Object;
Packages : in out String_Maps.Map;
Compilers : Compiler_Lists.List;
Config : String;
Langs : Ordered_Languages;
Error_Sloc : Source_Reference.Object;
Errors : in out Log.Object);
-- Merge the contents of Config into Packages, so that each attributes ends
-- up in the right package, and the packages are not duplicated.
procedure Update_With_Compiler_Runtime
(Self : in out Object;
Comp : Compiler;
Environment : GPR2.Environment.Object);
-- Update the knowledge base with additional runtime specific chunks
-- if a given compiler has any.
function Create_Filter
(Self : Object;
Descr : Project.Configuration.Description) return Compiler;
-- Transform Description into Compiler object
function Configuration_Node_Image
(Config : Configuration_Type) return Unbounded_String;
-- Returns partial image of <configuration> node that is used in verbose
-- output to explain unsupported configuration.
function GPR_Executable_Prefix_Path return String;
-- Tries to find the installation location of gprtools.
-- If current executable may be one of gprtools and is spawned with path
-- prefix, returns corresponding prefix directory.
-- Returns empty string if all approaches do not work.
-- When a directory is returned, it is guaranteed to end with a directory
-- separator.
Default_Target_Parsed : Boolean := False;
Default_Target_Val : Unbounded_String;
procedure Parse_Default_Target_Val;
-- Tries to parse <gprtools directory>/share/gprconfig/default_target
-- and sets Default_Target_Val.
---------
-- Add --
---------
procedure Add
(Self : in out Object;
Flags : Parsing_Flags;
Location : GPR2.Path_Name.Object;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment) is
begin
if Self.Parsed_Directories.Contains (Location) then
-- Do not parse several times the same database directory
return;
end if;
Self.Parsed_Directories.Append (Location);
Parsing.Parse_Knowledge_Base (Self, Location, Flags, Environment);
end Add;
---------
-- Add --
---------
procedure Add
(Self : in out Object;
Flags : Parsing_Flags;
Content : Value_Not_Empty;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment) is
begin
Parsing.Add (Self, Flags, Content, Environment);
end Add;
-------------------
-- All_Compilers --
-------------------
function All_Compilers
(Self : in out Object;
Settings : Project.Configuration.Description_Set;
Target : Name_Type;
Messages : in out GPR2.Log.Object;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment)
return Compiler_Array
is
use Compiler_Lists;
use Ada.Containers;
use KB.Compiler_Iterator;
use Project.Configuration;
Compilers : Compiler_Lists.List;
Filters : Compiler_Lists.List;
type Boolean_Array is array (Count_Type range <>) of Boolean;
type All_Iterator (Count : Count_Type) is new
GPR2.KB.Compiler_Iterator.Object with record
Filter_Matched : Boolean_Array (1 .. Count) := (others => False);
Filters : Compiler_Lists.List;
Compilers : Compiler_Lists.List;
end record;
overriding
procedure Callback
(Iterator : in out All_Iterator;
Base : in out Object;
Comp : Compiler;
Runtime_Specified : Boolean;
From_Extra_Dir : Boolean;
Continue : out Boolean);
-- Search all compilers on path, preselecting the first one matching
-- each of the filters.
function Display_Before (Comp1, Comp2 : Compiler) return Boolean;
-- Whether Comp1 should be displayed before Comp2 when displaying lists
-- of compilers. This ensures that similar languages are grouped,
-- among other things.
package Compiler_Sort is
new Compiler_Lists.Generic_Sorting (Display_Before);
--------------
-- Callback --
--------------
overriding
procedure Callback
(Iterator : in out All_Iterator;
Base : in out Object;
Comp : Compiler;
Runtime_Specified : Boolean;
From_Extra_Dir : Boolean;
Continue : out Boolean)
is
New_Comp : Compiler := Comp;
C : Compiler_Lists.Cursor;
Index : Count_Type := 1;
begin
-- Do nothing if a runtime needs to be specified, as this is only for
-- interactive use.
if not Runtime_Specified then
if Iterator.Filter_Matched /=
(Iterator.Filter_Matched'Range => True)
then
C := First (Iterator.Filters);
while Has_Element (C) loop
if not Iterator.Filter_Matched (Index)
and then Filter_Match
(Base, Comp => Comp, Filter => Element (C))
then
Set_Selection (New_Comp, True);
Iterator.Filter_Matched (Index) := True;
exit;
end if;
Index := Index + 1;
Next (C);
end loop;
end if;
-- Ignore compilers from extra directories, unless they have been
-- selected because of a --config argument.
if Is_Selected (New_Comp) or else not From_Extra_Dir then
GNATCOLL.Traces.Trace
(Main_Trace,
"Adding compiler to interactive menu "
& To_String (Comp)
& " selected=" & Is_Selected (New_Comp)'Img);
Append (Iterator.Compilers, New_Comp);
end if;
end if;
Continue := True;
end Callback;
--------------------
-- Display_Before --
--------------------
function Display_Before (Comp1, Comp2 : Compiler) return Boolean is
type Compare_Type is (Before, Equal, After);
function Compare
(Name1, Name2 : Unbounded_String) return Compare_Type;
-- Compare alphabetically two strings
-------------
-- Compare --
-------------
function Compare
(Name1, Name2 : Unbounded_String) return Compare_Type is
begin
if Name1 = Null_Unbounded_String then
if Name2 = Null_Unbounded_String then
return Equal;
else
return Before;
end if;
elsif Name2 = Null_Unbounded_String then
return After;
end if;
if Name1 < Name2 then
return Before;
elsif Name1 > Name2 then
return After;
else
return Equal;
end if;
end Compare;
begin
if Comp1.Language /= Comp2.Language then
return Name (Comp1.Language) < Name (Comp2.Language);
else
if Comp1.Path_Order < Comp2.Path_Order then
return True;
elsif Comp2.Path_Order < Comp1.Path_Order then
return False;
else
-- If the "default" attribute was specified for <runtime>,
-- this only impacts the batch mode. We still want to sort
-- the runtimes alphabetically in the interactive display.
case Compare (Comp1.Runtime, Comp2.Runtime) is
when Before =>
return True;
when After =>
return False;
when Equal =>
return Compare (Comp1.Version, Comp2.Version) = Before;
end case;
end if;
end if;
end Display_Before;
Iter : All_Iterator (Settings'Length);
begin
for Setting of Settings loop
if Is_Language_With_No_Compiler
(Self, Language (Setting))
then
Compilers.Append (Create_Filter (Self, Setting));
else
Filters.Append (Create_Filter (Self, Setting));
end if;
end loop;
Iter.Filters := Filters;
Foreach_In_Path
(Self => Iter,
Base => Self,
On_Target => Target,
Environment => Environment,
Extra_Dirs => Extra_Dirs_From_Filters (Filters));
Splice (Target => Compilers,
Before => Compiler_Lists.No_Element,
Source => Iter.Compilers);
if Compilers.Is_Empty then
return No_Compilers;
end if;
Compiler_Sort.Sort (Compilers);
return Res : Compiler_Array (1 .. Integer (Compilers.Length)) do
for Idx in Res'Range loop
Res (Idx) := Compilers.First_Element;
Compilers.Delete_First;
end loop;
end return;
exception
when Invalid_KB =>
return No_Compilers;
end All_Compilers;
-------------------------------------
-- Complete_Command_Line_Compilers --
-------------------------------------
procedure Complete_Command_Line_Compilers
(Self : in out Object;
On_Target : Name_Type;
Filters : Compiler_Lists.List;
Compilers : in out Compiler_Lists.List;
Selected_Target : in out Unbounded_String;
Fallback : Boolean;
Errors : out Log.Object;
Environment : GPR2.Environment.Object)
is
use Compiler_Lists;
use Ada.Containers;
use GNATCOLL.Traces;
type Cursor_Array
is array (Count_Type range <>) of Compiler_Lists.Cursor;
type Boolean_Array is array (Count_Type range <>) of Boolean;
type Batch_Iterator (Count : Count_Type) is new
GPR2.KB.Compiler_Iterator.Object with record
Found : Count_Type := 0;
Compilers : Compiler_Lists.List;
Matched : Cursor_Array (1 .. Count) :=
(others => Compiler_Lists.No_Element);
Filters : Compiler_Lists.List;
Found_One : Boolean_Array (1 .. Count) := (others => False);
-- Whether we found at least one matching compiler for each filter
end record;
overriding
procedure Callback
(Iterator : in out Batch_Iterator;
Base : in out Object;
Comp : Compiler;
Runtime_Specified : Boolean;
From_Extra_Dir : Boolean;
Continue : out Boolean);
-- Search the first compiler matching each --config command line
-- argument.
-- It might be discovered either in a path added through a --config
-- parameter (in which case From_Extra_Dir is True), or in a path
-- specified in the environment variable $PATH (in which case it is
-- False). If the directory is both in Extra_Dirs and in $PATH,
-- From_Extra_Dir is set to False.
-- If Runtime_Specified is True, only filters with a specified runtime
-- are taken into account.
--
-- On exit, Continue should be set to False if there is no need
-- to discover further compilers.
Iterator : Batch_Iterator (Length (Filters));
function Foreach_Nth_Compiler
(Filter : Compiler_Lists.Cursor) return Boolean;
-- For all possible compiler matching the filter, check whether we
-- find a compatible set of compilers matching the next filters.
-- Return True if one was found (in which case it is the current
-- selection on exit).
--------------
-- Callback --
--------------
overriding
procedure Callback
(Iterator : in out Batch_Iterator;
Base : in out Object;
Comp : Compiler;
Runtime_Specified : Boolean;
From_Extra_Dir : Boolean;
Continue : out Boolean)
is
C : Compiler_Lists.Cursor := First (Iterator.Filters);
Index : Count_Type := 1;
Ncomp : Compiler;
El : Compiler;
use GPR2.Path_Name;
begin
while Has_Element (C) loop
Ncomp := No_Compiler;
El := Compiler_Lists.Element (C);
-- A compiler in an "extra_dir" (ie specified on the command line)
-- can only match if that directory was explicitly specified in
-- --config. We do not want to find all compilers in /dir if that
-- directory is not in $PATH
if (not From_Extra_Dir or else El.Path = Comp.Path)
and then Filter_Match (Base, Comp => Comp, Filter => El)
and then (not Runtime_Specified
or else El.Runtime_Dir /= Null_Unbounded_String)
then
Ncomp := Comp;
if El.Runtime_Dir /= Null_Unbounded_String then
Ncomp.Runtime_Dir := El.Runtime_Dir;
Ncomp.Runtime := El.Runtime;
end if;
if not Ncomp.Any_Runtime
and then Ncomp.Runtime = Null_Unbounded_String
and then El.Runtime /= Null_Unbounded_String
then
Ncomp.Runtime := El.Runtime;
end if;
Append (Iterator.Compilers, Ncomp);
Trace
(Match_Trace,
"Saving compiler for possible backtracking: "
& To_String (Ncomp)
& " (matches --config "
& To_String (El)
& ")");
if Iterator.Matched (Index) = Compiler_Lists.No_Element then
Iterator.Found := Iterator.Found + 1;
Trace
(Match_Trace,
"Selecting it since this filter was not matched yet "
& Iterator.Found'Img & "/" & Iterator.Count'Img);
Iterator.Matched (Index) := Last (Iterator.Compilers);
Iterator.Found_One (Index) := True;
Set_Selection
(Iterator.Compilers, Iterator.Matched (Index),
True);
-- Only keep those compilers that are not incompatible
-- (according to the knowledge base). It might happen that
-- none is selected as a result, but appropriate action is
-- taken in Complete_Command_Line_Compilers. We ignore
-- incompatible sets as early as possible, in the hope to
-- limit the number of system calls if another set is found
-- before all directories are traversed.
if not Is_Supported_Config (Base, Iterator.Compilers) then
Set_Selection
(Iterator.Compilers, Iterator.Matched (Index), False);
Trace
(Match_Trace,
"Compilers are not compatible, canceling last"
& " compiler found");
Iterator.Matched (Index) := Compiler_Lists.No_Element;
Iterator.Found := Iterator.Found - 1;
end if;
end if;
end if;
Index := Index + 1;
Next (C);
end loop;
-- Stop at first compiler
Continue := Iterator.Found /= Iterator.Count;
end Callback;
--------------------------
-- Foreach_Nth_Compiler --
--------------------------
function Foreach_Nth_Compiler
(Filter : Compiler_Lists.Cursor) return Boolean
is
C : Compiler_Lists.Cursor := First (Iterator.Compilers);
Comp_Filter : constant Compiler := Compiler_Lists.Element (Filter);
begin
while Has_Element (C) loop
if Filter_Match
(Self, Compiler_Lists.Element (C), Filter => Comp_Filter)
then
Set_Selection (Iterator.Compilers, C, True);
if Next (Filter) = Compiler_Lists.No_Element then
Increase_Indent
(Match_Trace, "Testing the following compiler set:");
Trace (Match_Trace, To_String (Iterator.Compilers));
if Is_Supported_Config (Self, Iterator.Compilers) then
Decrease_Indent (Match_Trace, "They are compatible");
return True;
else
Decrease_Indent (Match_Trace);
end if;
else
if Foreach_Nth_Compiler (Next (Filter)) then
return True;
end if;
end if;
Set_Selection (Iterator.Compilers, C, False);
end if;
Next (C);
end loop;
return False;
end Foreach_Nth_Compiler;
C : Compiler_Lists.Cursor;
Extra_Dirs : constant String :=
Extra_Dirs_From_Filters (Filters);
Found_All : Boolean := True;
Found_All_Fallback : Boolean := True;
begin
Iterator.Filters := Filters;
Selected_Target := To_Unbounded_String (String (On_Target));
Increase_Indent
(Main_Trace,
"Completing info for --config parameters, extra_dirs=" & Extra_Dirs);
-- Find all the compilers in PATH and Extra_Dirs
Compiler_Iterator.Foreach_In_Path
(Self => Iterator,
Base => Self,
On_Target => On_Target,
Environment => Environment,
Extra_Dirs => Extra_Dirs);
Decrease_Indent (Main_Trace);
-- Check that we could find at least one of each compiler
if Fallback then
-- Check to see if fallback targets are of interest
C := First (Filters);
for F in Iterator.Found_One'Range loop
if not Iterator.Found_One (F) then
if Self.Languages_Known.Contains
(Compiler_Lists.Element (C).Language)
then
-- Fallback should not be triggered for unknown languages
Found_All_Fallback := False;
end if;
Found_All := False;
end if;
Next (C);
end loop;
if not Found_All_Fallback then
-- Looking for corresponding fallback set
declare
FB_List : GPR2.Containers.Name_List :=
Fallback_List (Self, On_Target);
Cur : GPR2.Containers.Name_Type_List.Cursor :=
FB_List.First;
N_Target : constant Name_Type :=
Self.Normalized_Target (On_Target);
use GPR2.Containers.Name_Type_List;
begin
while Cur /= GPR2.Containers.Name_Type_List.No_Element loop
if Element (Cur) = N_Target then
-- No point processing the same target again
FB_List.Delete (Cur);
exit;
end if;
Next (Cur);
end loop;
Cur := FB_List.First;
while Cur /= GPR2.Containers.Name_Type_List.No_Element loop
Trace
(Match_Trace,
"Attempting to fall back to target "
& String (Element (Cur)));
declare
Local_Iter : Batch_Iterator (Length (Filters));
begin
Local_Iter.Filters := Iterator.Filters;
Compiler_Iterator.Foreach_In_Path
(Self => Local_Iter,
Base => Self,
On_Target => Element (Cur),
Environment => Environment,
Extra_Dirs => Extra_Dirs);
Found_All := True;
C := First (Filters);
for F in Local_Iter.Found_One'Range loop
if not Local_Iter.Found_One (F)
and then Self.Languages_Known.Contains
(Compiler_Lists.Element (C).Language)
then
-- Not finding a compiler for an unknown language
-- should not invalidate fallback search.
Found_All := False;
end if;
Next (C);
end loop;
if Found_All then
Iterator := Local_Iter;
Selected_Target :=
To_Unbounded_String (String (Element (Cur)));
Trace
(Match_Trace,
String (Element (Cur))
& " fallback target selected");
exit;
end if;
end;
Next (Cur);
end loop;
end;
end if;
end if;
C := First (Filters);
for F in Iterator.Found_One'Range loop
if not Iterator.Found_One (F) then
declare
Comp : constant Compiler :=
Compiler_Lists.Element (C);
Language_Known : constant Boolean :=
Self.Languages_Known.Contains
(Comp.Language);
begin
if not Language_Known then
Errors.Append
(Message.Create
(Message.Information,
"unknown language '"
& Image (Comp.Language) & "'",
Source_Reference.Create ("embedded_kb/kb", 0, 0)));
else
Errors.Append
(Message.Create
(Message.Warning,
"can't find a toolchain "
& "for the following configuration: language '"
& Image (Comp.Language) & "', target '"
& String (On_Target) & "'"
& (if Comp.Runtime = Null_Unbounded_String then
", default runtime"
else ", runtime '" & To_String (Comp.Runtime) & "'")
& (if Comp.Version /= Null_Unbounded_String then
", version '" & To_String (Comp.Version) & "'"
else "")
& (if Comp.Path.Is_Defined then
", path '" & Comp.Path.Value & "'"
else "")
& (if Comp.Name /= Null_Unbounded_String then
", name '" & To_String (Comp.Name) & "'"
else ""),
Source_Reference.Create ("embedded_kb/kb", 0, 0)));
end if;
end;
Found_All := False;
end if;
Next (C);
end loop;
-- If we could find at least one of each compiler, but that our initial
-- attempt returned incompatible sets of compiler, we do a more thorough
-- attempt now
if Found_All
and then Iterator.Found /= Iterator.Count
then
-- If no compatible set was found, try all possible combinations, in
-- the hope that we can finally find one. In the following algorithm,
-- we end up checking again some set that were checked in Callback,
-- but that would be hard to avoid since the compilers can be found
-- in any order.
Increase_Indent
(Match_Trace,
"Attempting to find a supported compiler set");
-- Unselect all compilers
C := First (Iterator.Compilers);
while Has_Element (C) loop
Set_Selection (Iterator.Compilers, C, False);
Next (C);
end loop;
if not Foreach_Nth_Compiler (First (Iterator.Filters)) then
Errors.Append
(Message.Create
(Message.Error,
"no set of compatible compilers was found",
Source_Reference.Create ("embedded_kb/kb", 0, 0)));
Decrease_Indent (Match_Trace);
raise No_Compatible_Compilers;
end if;
end if;
Splice (Target => Compilers,
Before => Compiler_Lists.No_Element,
Source => Iterator.Compilers);
end Complete_Command_Line_Compilers;
-------------------
-- Configuration --
-------------------
function Configuration
(Self : in out Object;
Settings : Project.Configuration.Description_Set;
Target : Name_Type;
Messages : in out GPR2.Log.Object;
Fallback : Boolean := False;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment)
return Ada.Strings.Unbounded.Unbounded_String
is
use Project.Configuration;
Filters : Compiler_Lists.List;
Compilers : Compiler_Lists.List;
Selected_Target : Unbounded_String;
Runtime_Specific_KB : Object;
Langs : Ordered_Languages;
Configuration_String : Unbounded_String;
begin
for Setting of Settings loop
if Is_Language_With_No_Compiler (Self, Language (Setting)) then
Compilers.Append (Create_Filter (Self, Setting));
elsif not Self.Languages_Known.Contains (Language (Setting)) then
Messages.Append
(Message.Create
(Message.Information,
"unknown language '"
& Image (Language (Setting)) & "'",
Source_Reference.Create ("embedded_kb/kb", 0, 0)));
else
Filters.Append (Create_Filter (Self, Setting));
Langs.Append (Language (Setting));
end if;
end loop;
begin
Complete_Command_Line_Compilers
(Self => Self,
On_Target => Target,
Filters => Filters,
Compilers => Compilers,
Selected_Target => Selected_Target,
Fallback => Fallback,
Errors => Messages,
Environment => Environment);
exception
when No_Compatible_Compilers | Invalid_KB =>
return Null_Unbounded_String;
end;
-- Runtime dir may have additional knowledge base chunks specific to
-- given runtime. We do not want to include them in Self, otherwise
-- it becomes unusable for other runtimes/compilers.
Runtime_Specific_KB := Self;
for Comp of Compilers loop
Update_With_Compiler_Runtime (Runtime_Specific_KB, Comp, Environment);
end loop;
Configuration_String := Runtime_Specific_KB.Generate_Configuration
(Compilers, To_String (Selected_Target), Langs, Messages);
return Configuration_String;
end Configuration;
-------------------
-- Configuration --
-------------------
function Configuration
(Self : in out Object;
Selection : Compiler_Array;
Target : Name_Type;
Messages : in out GPR2.Log.Object;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment)
return Ada.Strings.Unbounded.Unbounded_String
is
Configuration_String : Unbounded_String;
Runtime_Specific_KB : Object;
Compilers : Compiler_Lists.List;
-- ??? atm follow order of selection
Langs : Ordered_Languages;
begin
-- Runtime dir may have additional knowledge base chunks specific to
-- given runtime. We do not want to include them in Self, otherwise
-- it becomes unusable for other runtimes/compilers.
Runtime_Specific_KB := Self;
for Comp of Selection loop
Update_With_Compiler_Runtime (Runtime_Specific_KB, Comp, Environment);
Compilers.Append (Comp);
Langs.Append (Comp.Language);
end loop;
Configuration_String := Runtime_Specific_KB.Generate_Configuration
(Compilers, String (Target), Langs, Messages);
return Configuration_String;
end Configuration;
------------------------------
-- Configuration_Node_Image --
------------------------------
function Configuration_Node_Image
(Config : Configuration_Type) return Unbounded_String
is
Result : Unbounded_String;
begin
for Comp_Filter of Config.Compilers_Filters loop
Append
(Result,
"<compilers negate='" & Comp_Filter.Negate'Img & "'>" & ASCII.LF);
for Filter of Comp_Filter.Compiler loop
Append
(Result,
" <compiler name='"
& To_String (Filter.Name) & "' version='"
& To_String (Filter.Version) & "' runtime='"
& To_String (Filter.Runtime) & "' language='"
& String (Name (Filter.Language)) & "' />"
& ASCII.LF);
end loop;
Append (Result, "</compilers>" & ASCII.LF);
end loop;
Append (Result, "<config supported='" & Config.Supported'Img & "' />");
return Result;
end Configuration_Node_Image;
------------
-- Create --
------------
function Create
(Flags : Parsing_Flags := Targetset_Only_Flags;
Default_KB : Boolean := True;
Custom_KB : GPR2.Path_Name.Set.Object := GPR2.Path_Name.Set.Empty_Set;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment)
return Object
is
Result : Object;
begin
if Default_KB then
Result := Create_Default (Flags => Flags, Environment => Environment);
else
Result := Create_Empty;
end if;
for Location of Custom_KB loop
Result.Add (Flags, Location, Environment);
end loop;
return Result;
end Create;
------------
-- Create --
------------
function Create
(Content : GPR2.Containers.Value_List;
Flags : Parsing_Flags;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment) return Object
is
Result : Object := Create_Empty;
begin
for Cont of Content loop
if Cont /= "" then
Result.Add (Flags, Cont, Environment);
end if;
end loop;
return Result;
end Create;
------------
-- Create --
------------
function Create
(Location : GPR2.Path_Name.Object;
Flags : Parsing_Flags;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment) return Object
is
Result : Object := Create_Empty;
begin
Result.Parsed_Directories.Append (Location);
Parsing.Parse_Knowledge_Base
(Result, Location, Flags, Environment);
return Result;
end Create;
--------------------
-- Create_Default --
--------------------
function Create_Default
(Flags : Parsing_Flags;
Environment : GPR2.Environment.Object :=
GPR2.Environment.Process_Environment) return Object
is
Ret : Object;
begin
Ret := Parsing.Parse_Default_Knowledge_Base
(Flags, Environment);
return Ret;
end Create_Default;
------------------
-- Create_Empty --
------------------
function Create_Empty return Object
is
Result : Object;
begin
Result.Initialized := True;
Result.Is_Default := False;
return Result;
end Create_Empty;
-------------------
-- Create_Filter --
-------------------
function Create_Filter
(Self : Object;
Descr : Project.Configuration.Description) return Compiler
is
use GNATCOLL.Traces;
use Project.Configuration;
Result : Compiler;
Lang_Id : Language_Id renames Language (Descr);
Exec_Suffix : constant String := Get_Executable_Suffix;
function Legacy_Name_Support
(Name : String; Lang : Language_Id) return String;
-- For Ada, gnatmake was previously used to detect a GNAT compiler.
-- However, as gnatmake may not be present in all the GNAT
-- distributions, gnatls is now used. For upward compatibility,
-- replace gnatmake with gnatls, so that a GNAT compiler may
-- be detected.
-------------------------
-- Legacy_Name_Support --
-------------------------
function Legacy_Name_Support
(Name : String; Lang : Language_Id) return String
is
use Ada.Strings.Fixed;
Idx : constant Natural := Index (Name, "gnatmake");
begin
if Lang = Ada_Language and then Idx >= Name'First then
return Replace_Slice (Name, Idx, Idx + 7, "gnatls");
else
return Name;
end if;
end Legacy_Name_Support;
begin
Result.Language := Lang_Id;
if Is_Language_With_No_Compiler (Self, Language (Descr)) then
Trace (Main_Trace,
"Language " & Image (Lang_Id) &
" requires no compiler");
Result.Complete := True;
Result.Selected := True;
Result.Targets_Set := All_Target_Sets;
return Result;
end if;
Result.Version := To_Unbounded_String (String (Version (Descr)));
Result.Runtime := To_Unbounded_String (String (Runtime (Descr)));
if Result.Runtime /= Null_Unbounded_String
and then GNAT.OS_Lib.Is_Absolute_Path (To_String (Result.Runtime))
then
-- If the runtime is a full path, set Runtime and
-- Runtime_Dir to the same value.
Result.Runtime_Dir := Result.Runtime;
end if;
if Path (Descr) /= No_Filename then
Result.Path := Path_Name.Create_Directory
(Path (Descr), Resolve_Links => True);
end if;
if Name (Descr) /= No_Name then
Result.Name :=
To_Unbounded_String
(GNAT.Directory_Operations.Base_Name
(Legacy_Name_Support
(String (Name (Descr)), Lang_Id),
Exec_Suffix));
end if;
Result.Complete := False;
Trace (Main_Trace,
"Language " & Image (Lang_Id) & " requires a compiler");
return Result;
end Create_Filter;
--------------------------------------
-- Default_Knowledge_Base_Directory --
--------------------------------------
function Default_Location return GPR2.Path_Name.Object is
use GNATCOLL.VFS;
use GNATCOLL.VFS_Utils;
GPRbuild : Filesystem_String_Access :=
Locate_Exec_On_Path ("gprbuild");
Dir : Virtual_File;
begin
if GPRbuild = null then
raise Default_Location_Error;
end if;
Dir := Get_Parent (Create (Dir_Name (GPRbuild.all)));
Free (GPRbuild);
if Dir = No_File then
raise Default_Location_Error;
end if;
Dir := Dir.Join ("share").Join ("gprconfig");
if not OS_Lib.Is_Directory (Dir.Display_Full_Name) then
raise Default_Location_Error;
end if;
return GPR2.Path_Name.Create_Directory
(Filename_Type (Dir.Display_Full_Name));
end Default_Location;
--------------------
-- Default_Target --
--------------------
function Default_Target return Name_Type is
begin
if not Default_Target_Parsed then
Parse_Default_Target_Val;
end if;
if Default_Target_Val = Null_Unbounded_String then
return Name_Type (System.OS_Constants.Target_Name);
else
return Name_Type (To_String (Default_Target_Val));
end if;
end Default_Target;
-----------------------------
-- Extra_Dirs_From_Filters --
-----------------------------
function Extra_Dirs_From_Filters
(Filters : Compiler_Lists.List) return String
is
use Compiler_Lists;
use GPR2.Path_Name;
C : Compiler_Lists.Cursor := First (Filters);
Extra_Dirs : Unbounded_String;
Elem : Compiler;
begin
while Has_Element (C) loop
Elem := Compiler_Lists.Element (C);
if Elem.Path /= GPR2.Path_Name.Undefined then
Append
(Extra_Dirs, Elem.Path.Value & GNAT.OS_Lib.Path_Separator);
end if;
Next (C);
end loop;
return To_String (Extra_Dirs);
end Extra_Dirs_From_Filters;
-------------------
-- Fallback_List --
-------------------
function Fallback_List
(Self : Object;
Target : Name_Type) return GPR2.Containers.Name_List
is
use GPR2.Containers.Name_Type_List;
N_Target : constant Name_Type := Self.Normalized_Target (Target);
Result : GPR2.Containers.Name_List;
Cur : GPR2.Containers.Name_Type_List.Cursor;
begin
for Fallback_List of Self.Fallback_Targets_Sets loop
Result := Fallback_List;
Cur := Result.First;
while Cur /= No_Element loop
if Element (Cur) = N_Target then
return Result;
end if;
Next (Cur);
end loop;
end loop;
Result.Clear;
Result.Append (N_Target);
return Result;
end Fallback_List;
---------------------------
-- Filter_Compilers_List --
---------------------------
procedure Filter_Compilers_List
(Self : Object;
Compilers : in out Compiler_Array;
For_Target : Name_Type)
is
use GNATCOLL.Traces;
For_Target_Set : constant Targets_Set_Id :=
Self.Query_Targets_Set (For_Target);
Check_List : Compiler_Lists.List;
begin
Increase_Indent (Main_Trace, "Filtering the list of compilers");
for Idx in Compilers'Range loop
if not Compilers (Idx).Selected then
if For_Target_Set /= All_Target_Sets
and then Compilers (Idx).Targets_Set /= All_Target_Sets
and then Compilers (Idx).Targets_Set /= For_Target_Set
then
Compilers (Idx).Selectable := False;
Trace
(Main_Trace,
"Incompatible target for: " & To_String (Compilers (Idx)));
goto Next_Compiler;
end if;
for Other_Compiler of Compilers loop
if Other_Compiler.Language = Compilers (Idx).Language
and then Other_Compiler.Selected
then
Compilers (Idx).Selectable := False;
Trace
(Main_Trace,
"Already selected language for: "
& To_String (Compilers (Idx)));
goto Next_Compiler;
end if;
end loop;
-- We need to check if the resulting selection would
-- lead to a supported configuration.
Compilers (Idx).Selected := True;
for Comp of Compilers loop
Check_List.Append (Comp);
end loop;
Compilers (Idx).Selected := False;
if not Is_Supported_Config (Self, Check_List) then
Compilers (Idx).Selectable := False;
Trace
(Main_Trace,
"Unsupported config for: "
& To_String (Compilers (Idx)));
goto Next_Compiler;
end if;
Compilers (Idx).Selectable := True;
end if;
<<Next_Compiler>>
Check_List.Clear;
end loop;
Decrease_Indent (Main_Trace);
end Filter_Compilers_List;
------------------
-- Filter_Match --
------------------
function Filter_Match
(Self : Object;
Comp : Compiler;
Filter : Compiler) return Boolean
is
use GNATCOLL.Traces;
use GPR2.Path_Name;
begin
if Filter.Name /= Null_Unbounded_String
and then Comp.Name /= Filter.Name
and then Comp.Base_Name /= Filter.Name
then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": name does not match");
return False;
end if;
if Filter.Path.Is_Defined and then Filter.Path /= Comp.Path then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": path does not match");
return False;
end if;
if Filter.Version /= Null_Unbounded_String
and then Filter.Version /= Comp.Version
then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": version does not match");
return False;
end if;
if Comp.Any_Runtime then
-- If compiler has no runtime node all runtimes should be accepted,
-- no need to apply filter.
if Filter.Runtime /= Null_Unbounded_String then
if not GNAT.OS_Lib.Is_Absolute_Path (To_String (Filter.Runtime))
and then Filter.Runtime /= Comp.Runtime
and then Filter.Runtime /= Comp.Alt_Runtime
then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": runtime does not match");
return False;
end if;
elsif not Comp.Default_Runtime then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": no default runtime");
return False;
end if;
end if;
if Filter.Language /= No_Language
and then Filter.Language /= Comp.Language
then
Trace
(Match_Trace,
"Filter=" & To_String (Filter) & ": language does not match");
return False;
end if;
return True;
end Filter_Match;
----------------------------
-- Generate_Configuration --
----------------------------
function Generate_Configuration
(Self : Object;
Compilers : Compiler_Lists.List;
Target : String;
Langs : Ordered_Languages;
Errors : in out Log.Object) return Unbounded_String
is
Project_Name : constant String := "Default";
Packages : String_Maps.Map;
Result : Unbounded_String;
procedure Add_Line (S : String);
-- Appends to result the given string and a line terminator. There is no
-- actual need for the terminators but it makes it more readable in
-- traces.
procedure Gen (C : String_Maps.Cursor);
-- C is a cursor of the map "Packages"
-- Generate the chunk of the config file corresponding to the
-- given package.
procedure Gen_And_Remove (Name : String);
-- Generate the chunk of the config file corresponding to the
-- package name and remove it from the map.
--------------
-- Add_Line --
--------------
procedure Add_Line (S : String) is
begin
Append (Result, S & ASCII.LF);
end Add_Line;
---------
-- Gen --
---------
procedure Gen (C : String_Maps.Cursor) is
use String_Maps;
begin
if Key (C) /= "" then
Add_Line ("");
Add_Line (" package " & Key (C) & " is");
end if;
Add_Line (String_Maps.Element (C));
if Key (C) /= "" then
Add_Line (" end " & Key (C) & ";");
end if;
end Gen;
--------------------
-- Gen_And_Remove --
--------------------
procedure Gen_And_Remove (Name : String) is
use String_Maps;
C : String_Maps.Cursor := Find (Packages, Name);
begin
if Has_Element (C) then
Gen (C);
Delete (Packages, C);
end if;
end Gen_And_Remove;
begin
for Config of Self.Configurations loop
if Match (Config.Compilers_Filters, Compilers)
and then Match
(Config.Targets_Filters, Config.Negate_Targets, Compilers)
then
if not Config.Supported then
Errors.Append
(Message.Create
(Message.Error,
"Code generated by these compilers cannot be linked"
& " as far as we know.",
Sloc => Source_Reference.Create
("embedded_kb/kb", 0, 0)));
return Null_Unbounded_String;
end if;
Merge_Config
(Self,
Packages,
Compilers,
To_String (Config.Config),
Langs,
Config.Sloc,
Errors);
end if;
end loop;
if Packages.Is_Empty then
Errors.Append
(Message.Create
(Message.Error,
"No valid configuration found",
Sloc => Source_Reference.Create
("embedded_kb/kb", 0, 0)));
return Null_Unbounded_String;
end if;
Add_Line ("configuration project " & Project_Name & " is");
Add_Line (" for Target use """ & Target & """;");
Add_Line (" for Canonical_Target use """
& String (Self.Normalized_Target (Name_Type (Target)))
& """;");
-- Generate known packages in order. This takes care of possible
-- dependencies.
Gen_And_Remove ("");
Gen_And_Remove ("Builder");
Gen_And_Remove ("Compiler");
Gen_And_Remove ("Naming");
Gen_And_Remove ("Binder");
Gen_And_Remove ("Linker");
-- Generate remaining packages
Packages.Iterate (Gen'Access);
Add_Line ("end " & Project_Name & ";");
return Result;
exception
when Invalid_KB =>
-- Errors have already been added to the log
return Null_Unbounded_String;
end Generate_Configuration;
------------------------
-- Get_External_Value --
------------------------
procedure Get_External_Value
(Attribute : String;
Value : External_Value;
Comp : Compiler;
Environment : GPR2.Environment.Object;
Split_Into_Words : Boolean := True;
Merge_Same_Dirs : Boolean := False;
Calls_Cache : in out GPR2.Containers.Name_Value_Map;
Messages : in out Log.Object;
Processed_Value : out External_Value_Lists.List;
Ignore_Compiler : out Boolean)
is
use External_Value_Nodes;
use GNAT.Regpat;
use GNATCOLL.Traces;
Error_Sloc : constant Source_Reference.Object := Value.Sloc;
Saved_Path : constant String := Environment.Value ("PATH");
Used_Env : GPR2.Environment.Object := Environment;
function Get_Command_Output_Cache
(Path : String;
Command : String) return Unbounded_String;
-- Spawns given command and caches results. When the same command
-- (same full path and arguments) should be spawned again,
-- returns output from cache instead.
------------------------------
-- Get_Command_Output_Cache --
------------------------------
function Get_Command_Output_Cache
(Path : String;
Command : String) return Unbounded_String
is
use GNAT.OS_Lib;
use GPR2.Containers.Name_Value_Map_Package;
Path_Dir : constant String :=
GPR2.Path_Name.Create_Directory
(Filename_Type (Path)).Dir_Name;
Key : constant Name_Type := Name_Type (Path_Dir & Command);
Cur : constant GPR2.Containers.Name_Value_Map_Package.Cursor :=
Calls_Cache.Find (Key);
Tmp_Result : Unbounded_String;
begin
if Cur = GPR2.Containers.Name_Value_Map_Package.No_Element then
declare
Args : Argument_List_Access :=
Argument_String_To_List (Command);
Args_Vector : GNATCOLL.OS.Process.Argument_List;
Dummy : Integer;
begin
Args_Vector.Append (Path_Dir & Args (Args'First).all);
for J in Args'First + 1 .. Args'Last loop
Args_Vector.Append (Args (J).all);
end loop;
OS_Lib.Free (Args);
Tmp_Result := GNATCOLL.OS.Process.Run
(Args => Args_Vector,
Env => Used_Env.To_GNATCOLL_Environment,
Stdin => GNATCOLL.OS.Process.FS.Null_FD,
Stderr => GNATCOLL.OS.Process.FS.To_Stdout,
Status => Dummy,
Inherit_Env => Used_Env.Inherit);
Args_Vector.Clear;
Calls_Cache.Include (Key, To_String (Tmp_Result));
return Tmp_Result;
end;
else
return To_Unbounded_String (Calls_Cache.Element (Key));
end if;
end Get_Command_Output_Cache;
Extracted_From : Unbounded_String := Null_Unbounded_String;
Tmp_Result : Unbounded_String;
Node_Cursor : External_Value_Nodes.Cursor := Value.EV.First;
Node : External_Value_Node;
From_Static : Boolean := False;
Visited : String_To_External_Value.Map;
begin
Processed_Value.Clear;
Ignore_Compiler := False;
while Has_Element (Node_Cursor) loop
while Has_Element (Node_Cursor) loop
Node := External_Value_Nodes.Element (Node_Cursor);
case Node.Typ is
when Value_Variable =>
Extracted_From := Node.Var_Name;
when Value_Constant =>
if Node.Value = Null_Unbounded_String then
Tmp_Result := Null_Unbounded_String;
else
Tmp_Result := To_Unbounded_String
(Substitute_Variables_In_Compiler_Description
(To_String (Node.Value),
Comp,
Error_Sloc,
Messages));
end if;
From_Static := True;
Trace
(Main_Trace,
Attribute & ": constant := " & To_String (Tmp_Result));
when Value_Shell =>
Used_Env.Insert
("PATH",
Comp.Path.Value & OS_Lib.Path_Separator & Saved_Path);
declare
Command : constant String :=
Substitute_Variables_In_Compiler_Description
(To_String (Node.Command),
Comp,
Error_Sloc,
Messages);
begin
Tmp_Result := Null_Unbounded_String;
Tmp_Result :=
Get_Command_Output_Cache (Comp.Path.Value, Command);
Used_Env := Environment;
Trace (Main_Trace,
Attribute & ": executing """ & Command
& """ output="""
& To_String (Tmp_Result) & """");
exception
when GNATCOLL.OS.OS_Error =>
Trace (Main_Trace, "Spawn failed for " & Command);
end;
when Value_Directory =>
declare
Search : constant String :=
Substitute_Variables_In_Compiler_Description
(To_String (Node.Directory),
Comp,
Error_Sloc,
Messages);
begin
if Search (Search'First) = '/' then
Increase_Indent
(Main_Trace,
Attribute & ": search directories matching "
& Search & ", starting from /");
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir => "",
Path_To_Check => Search,
Contents => Node.Contents,
Regexp =>
Compile (Search (Search'First + 1
.. Search'Last)),
Regexp_Str => Search,
Value_If_Match => To_String (Node.Dir_If_Match),
Merge_Same_Dirs => Merge_Same_Dirs,
Group => Node.Directory_Group,
Error_Sloc => Error_Sloc,
Messages => Messages);
else
Increase_Indent
(Main_Trace,
Attribute & ": search directories matching "
& Search & ", starting from "
& Comp.Path.Value);
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir => Comp.Path.Value,
Path_To_Check => Search,
Contents => Node.Contents,
Regexp => Compile (Search),
Regexp_Str => Search,
Value_If_Match => To_String (Node.Dir_If_Match),
Merge_Same_Dirs => Merge_Same_Dirs,
Group => Node.Directory_Group,
Error_Sloc => Error_Sloc,
Messages => Messages);
end if;
Decrease_Indent
(Main_Trace, "Done search directories");
end;
when Value_Grep =>
declare
Tmp_Str : constant String := To_String (Tmp_Result);
Matched : Match_Array (0 .. Node.Group);
begin
Match (Node.Regexp_Re.Element, Tmp_Str, Matched);
if Matched (0) /= No_Match then
Tmp_Result := To_Unbounded_String
(Tmp_Str (Matched (Node.Group).First ..
Matched (Node.Group).Last));
Trace
(Main_Trace,
Attribute & ": grep matched="""
& To_String (Tmp_Result) & """");
else
Tmp_Result := Null_Unbounded_String;
Trace (Main_Trace, Attribute & ": grep no match");
end if;
end;
when Value_Nogrep =>
declare
Tmp_Str : constant String := To_String (Tmp_Result);
Matched : Match_Array (0 .. 0);
begin
Match (Node.Regexp_No.Element, Tmp_Str, Matched);
if Matched (0) /= No_Match then
Trace
(Main_Trace,
Attribute & ": nogrep matched=""" & Tmp_Str & """");
Ignore_Compiler := True;
return;
else
Trace (Main_Trace, Attribute & ": nogrep no match");
end if;
end;
when Value_Must_Match =>
if not Match
(Expression => To_String (Node.Must_Match),
Data => To_String (Tmp_Result))
then
Trace
(Main_Trace,
"Ignore compiler since external value """
& To_String (Tmp_Result) & """ must match "
& To_String (Node.Must_Match));
Tmp_Result := Null_Unbounded_String;
Ignore_Compiler := True;
return;
end if;
exit;
when Value_Done | Value_Filter =>
exit;
end case;
Next (Node_Cursor);
end loop;
case Node.Typ is
when Value_Done | Value_Filter | Value_Must_Match =>
if Tmp_Result = Null_Unbounded_String then
-- Value could not be computed
if Extracted_From /= Null_Unbounded_String then
Processed_Value.Append
(External_Value_Item'
(Value => Null_Unbounded_String,
Alternate => Null_Unbounded_String,
Extracted_From => Extracted_From));
end if;
elsif Split_Into_Words then
declare
Filter : constant String :=
(if Node.Typ = Value_Filter
then To_String (Node.Filter)
else "");
Split : Containers.Value_List;
begin
-- When an external value is defined as a static string,
-- the only valid separator is ','. When computed
-- however, we also allow space as a separator.
if From_Static then
Get_Words
(Words => To_String (Tmp_Result),
Filter => Filter,
Separator1 => ',',
Separator2 => ',',
Map => Split,
Allow_Empty_Elements => False);
else
Get_Words
(Words => To_String (Tmp_Result),
Filter => Filter,
Separator1 => ' ',
Separator2 => ',',
Map => Split,
Allow_Empty_Elements => False);
end if;
for Elem of Split loop
Processed_Value.Append
(External_Value_Item'
(Value =>
To_Unbounded_String (String (Elem)),
Alternate => Null_Unbounded_String,
Extracted_From => Extracted_From));
end loop;
end;
else
Processed_Value.Append
(External_Value_Item'
(Value => Tmp_Result,
Alternate => Null_Unbounded_String,
Extracted_From => Extracted_From));
end if;
when others =>
null;
end case;
Extracted_From := Null_Unbounded_String;
Next (Node_Cursor);
end loop;
end Get_External_Value;
--------------------------
-- Get_String_No_Adalib --
--------------------------
function Get_String_No_Adalib (Str : String) return String is
use GNAT.OS_Lib;
Name : constant String (1 .. Str'Length) := Str;
Last : Natural := Name'Last;
begin
if Last > 7
and then (Name (Last) in Directory_Separator | '/')
then
Last := Last - 1;
end if;
if Last > 6
and then Name (Last - 5 .. Last) = "adalib"
and then (Name (Last - 6) in Directory_Separator | '/')
then
Last := Last - 6;
else
Last := Name'Last;
end if;
return Name (1 .. Last);
end Get_String_No_Adalib;
------------------------
-- Get_Variable_Value --
------------------------
function Get_Variable_Value
(Comp : Compiler;
Name : String) return String
is
N : constant Unbounded_String := To_Unbounded_String (Name);
begin
if Variables_Maps.Contains (Comp.Variables, N) then
return To_String (Variables_Maps.Element (Comp.Variables, N));
elsif Name = "HOST" then
return String (Default_Target);
elsif Name = "TARGET" then
return To_String (Comp.Target);
elsif Name = "RUNTIME_DIR" then
return Name_As_Directory (To_String (Comp.Runtime_Dir));
elsif Name = "EXEC" then
return To_String (Comp.Executable);
elsif Name = "VERSION" then
return To_String (Comp.Version);
elsif Name = "LANGUAGE" then
return String (GPR2.Name (Comp.Language));
elsif Name = "RUNTIME" then
return To_String (Comp.Runtime);
elsif Name = "PREFIX" then
return To_String (Comp.Prefix);
elsif Name = "PATH" then
return GNAT.OS_Lib.Normalize_Pathname
(Comp.Path.Value, Case_Sensitive => False)
& GNAT.OS_Lib.Directory_Separator;
elsif Name = "GPRCONFIG_PREFIX" then
return GPR_Executable_Prefix_Path;
end if;
raise Invalid_KB
with "variable '" & Name & "' is not defined";
end Get_Variable_Value;
---------------
-- Get_Words --
---------------
procedure Get_Words
(Words : String;
Filter : String;
Separator1 : Character;
Separator2 : Character;
Map : out Containers.Value_List;
Allow_Empty_Elements : Boolean)
is
First : Integer := Words'First;
Last : Integer;
Filter_Set : GPR2.Containers.Value_List;
begin
if Filter /= "" then
Get_Words (Filter, "", Separator1,
Separator2, Filter_Set,
Allow_Empty_Elements => True);
end if;
if not Allow_Empty_Elements then
while First <= Words'Last
and then (Words (First) = Separator1
or else Words (First) = Separator2)
loop
First := First + 1;
end loop;
end if;
while First <= Words'Last loop
if Words (First) /= Separator1
and then Words (First) /= Separator2
then
Last := First + 1;
while Last <= Words'Last
and then Words (Last) /= Separator1
and then Words (Last) /= Separator2
loop
Last := Last + 1;
end loop;
else
Last := First;
end if;
if (Allow_Empty_Elements or else First <= Last - 1)
and then
(Filter_Set.Is_Empty
or else Filter_Set.Contains
(Value_Type (Words (First .. Last - 1))))
then
Map.Append (Value_Type (Words (First .. Last - 1)));
end if;
First := Last + 1;
end loop;
end Get_Words;
--------------------------------
-- GPR_Executable_Prefix_Path --
--------------------------------
function GPR_Executable_Prefix_Path return String
is
use Ada.Directories;
use Ada.Strings.Fixed;
use GNAT.OS_Lib;
Tools_Dir : constant String := Get_Tools_Directory;
Exec_Name : constant String :=
Normalize_Pathname (Ada.Command_Line.Command_Name,
Resolve_Links => True);
begin
if Has_Directory_Separator (Exec_Name)
and then Head (Base_Name (Exec_Name), 3) = "gpr"
and then Base_Name (Containing_Directory (Exec_Name)) = "bin"
then
-- A gprtool has been called with path prefix, we need
-- to return the prefix of corresponding gprtools installation,
-- in case it is not the first one on the path.
return
Containing_Directory (Containing_Directory (Exec_Name))
& GNAT.OS_Lib.Directory_Separator;
end if;
-- It's either a gprtool called by base name or another kind of tool,
-- in both cases we need to find gprtools on PATH.
if Tools_Dir = "" then
return "";
else
return Tools_Dir & GNAT.OS_Lib.Directory_Separator;
end if;
end GPR_Executable_Prefix_Path;
----------------------------------
-- Is_Language_With_No_Compiler --
----------------------------------
function Is_Language_With_No_Compiler
(Self : Object;
Language : Language_Id) return Boolean is
begin
return Self.No_Compilers.Contains (Language);
end Is_Language_With_No_Compiler;
-------------------------
-- Is_Supported_Config --
-------------------------
function Is_Supported_Config
(Self : Object;
Compilers : Compiler_Lists.List) return Boolean
is
use Configuration_Lists;
Config : Configuration_Lists.Cursor :=
First (Self.Configurations);
M : Boolean;
begin
while Has_Element (Config) loop
M := Match (Configuration_Lists.Element (Config).Compilers_Filters,
Compilers);
if M and then Match
(Configuration_Lists.Element (Config).Targets_Filters,
Configuration_Lists.Element (Config).Negate_Targets,
Compilers)
then
if not Configuration_Lists.Element (Config).Supported then
GNATCOLL.Traces.Trace
(Match_Trace,
"Selected compilers are not compatible, because of:");
GNATCOLL.Traces.Trace
(Match_Trace,
To_String
(Configuration_Node_Image
(Configuration_Lists.Element (Config))));
return False;
end if;
end if;
Next (Config);
end loop;
return True;
end Is_Supported_Config;
--------------------------
-- Known_Compiler_Names --
--------------------------
function Known_Compiler_Names (Self : Object) return Unbounded_String is
use Compiler_Description_Maps;
Result : Unbounded_String;
Cur : Compiler_Description_Maps.Cursor := Self.Compilers.First;
begin
while Has_Element (Cur) loop
if Result /= Null_Unbounded_String then
Append (Result, ",");
end if;
Append (Result, String (Key (Cur)));
Next (Cur);
end loop;
return Result;
end Known_Compiler_Names;
-----------
-- Match --
-----------
function Match
(Filter : Compilers_Filter_Lists.List;
Compilers : Compiler_Lists.List) return Boolean
is
use Compilers_Filter_Lists;
C : Compilers_Filter_Lists.Cursor := First (Filter);
M : Boolean;
begin
while Has_Element (C) loop
M := Match (Compilers_Filter_Lists.Element (C), Compilers);
if not M then
return False;
end if;
Next (C);
end loop;
return True;
end Match;
-----------
-- Match --
-----------
function Match
(Filter : Compilers_Filter;
Compilers : Compiler_Lists.List) return Boolean
is
use Compiler_Filter_Lists;
C : Compiler_Filter_Lists.Cursor := First (Filter.Compiler);
M : Boolean;
begin
while Has_Element (C) loop
M := Match (Compiler_Filter_Lists.Element (C), Compilers);
if M then
return not Filter.Negate;
end if;
Next (C);
end loop;
return Filter.Negate;
end Match;
-----------
-- Match --
-----------
function Match
(Filter : Compiler_Filter;
Compilers : Compiler_Lists.List) return Boolean
is
use Compiler_Lists;
use GNAT.Regpat;
C : Compiler_Lists.Cursor := First (Compilers);
Comp : Compiler;
function Runtime_Base_Name (Rt : Unbounded_String) return String is
(GNAT.Directory_Operations.Base_Name (To_String (Rt)));
-- Runtime filters should only apply to the base name of runtime when
-- full path is given, otherwise we can potentially match some unrelated
-- patterns from enclosing directory names.
function Name_Matches return Boolean;
function Version_Matches return Boolean;
function Runtime_Matches return Boolean;
function Language_Matches return Boolean;
-- Predicates checking matching of corresponding attributes
----------------------
-- Language_Matches --
----------------------
function Language_Matches return Boolean is
begin
if Filter.Language = No_Language
or else Filter.Language = Comp.Language
then
return True;
end if;
return False;
end Language_Matches;
------------------
-- Name_Matches --
------------------
function Name_Matches return Boolean is
begin
if Filter.Name = Null_Unbounded_String then
return True;
end if;
if Comp.Name /= Null_Unbounded_String
and then Match (Filter.Name_Re.Element, To_String (Comp.Name))
then
return True;
end if;
if Comp.Base_Name = Filter.Name then
return True;
end if;
return False;
end Name_Matches;
---------------------
-- Runtime_Matches --
---------------------
function Runtime_Matches return Boolean is
begin
if Filter.Runtime_Re.Is_Empty then
return True;
end if;
if Comp.Runtime /= Null_Unbounded_String
and then Match (Filter.Runtime_Re.Element,
Runtime_Base_Name (Comp.Runtime))
then
return True;
end if;
return False;
end Runtime_Matches;
----------------------
-- Version_Matches --
----------------------
function Version_Matches return Boolean is
begin
if Filter.Version_Re.Is_Empty then
return True;
end if;
if Comp.Version /= Null_Unbounded_String
and then Match (Filter.Version_Re.Element, To_String (Comp.Version))
then
return True;
end if;
return False;
end Version_Matches;
begin
while Has_Element (C) loop
Comp := Compiler_Lists.Element (C);
if Comp.Selected
and then Name_Matches
and then Version_Matches
and then Runtime_Matches
and then Language_Matches
then
return True;
end if;
Next (C);
end loop;
return False;
end Match;
-----------
-- Match --
-----------
function Match
(Target_Filter : Double_String_Lists.List;
Negate : Boolean;
Compilers : Compiler_Lists.List) return Boolean
is
use Compiler_Lists;
use Double_String_Lists;
use GNAT.Regpat;
Target : Double_String_Lists.Cursor := First (Target_Filter);
Comp : Compiler_Lists.Cursor;
begin
if Is_Empty (Target_Filter) then
return True;
else
while Has_Element (Target) loop
declare
Positive_Pattern : constant Pattern_Matcher :=
Compile
(To_String
(Double_String_Lists.Element (Target).Positive_Regexp),
GNAT.Regpat.Case_Insensitive);
Negative_Pattern : constant Pattern_Matcher :=
Compile
(To_String
(Double_String_Lists.Element (Target).Negative_Regexp),
GNAT.Regpat.Case_Insensitive);
Ignore_Negative : constant Boolean :=
Double_String_Lists.Element (Target).Negative_Regexp = "";
begin
Comp := First (Compilers);
while Has_Element (Comp) loop
if Compiler_Lists.Element (Comp).Selected then
if Compiler_Lists.Element (Comp).Target =
Null_Unbounded_String
then
if Match (Positive_Pattern, "") then
return not Negate;
end if;
elsif Match
(Positive_Pattern,
To_String (Compiler_Lists.Element (Comp).Target))
and then
(Ignore_Negative or else not Match
(Negative_Pattern,
To_String
(Compiler_Lists.Element (Comp).Target)))
then
return not Negate;
end if;
end if;
Next (Comp);
end loop;
end;
Next (Target);
end loop;
return Negate;
end if;
end Match;
------------------
-- Merge_Config --
------------------
procedure Merge_Config
(Self : Object;
Packages : in out String_Maps.Map;
Compilers : Compiler_Lists.List;
Config : String;
Langs : Ordered_Languages;
Error_Sloc : Source_Reference.Object;
Errors : in out Log.Object)
is
procedure Add_Package
(Name : String; Chunk : String; Prefix : String := " ");
-- Add the chunk in the appropriate package
procedure Skip_Spaces (Str : String; Index : in out Integer);
-- Move Index from its current position to the next non-whitespace
-- character in Str
procedure Skip_Spaces_Backward (Str : String; Index : in out Integer);
-- Same as Skip_Spaces, but goes backward
-----------------
-- Add_Package --
-----------------
procedure Add_Package
(Name : String; Chunk : String; Prefix : String := " ")
is
use String_Maps;
C : constant String_Maps.Cursor :=
Find (Packages, Name);
Replaced : constant String :=
Substitute_Variables_In_Configuration
(Self, Chunk, Compilers, Langs, Error_Sloc, Errors);
begin
if Replaced /= "" then
if Has_Element (C) then
Replace_Element
(Packages,
C,
Element (C) & ASCII.LF & Prefix & Replaced);
else
Insert
(Packages,
Name, Prefix & Replaced);
end if;
end if;
end Add_Package;
-----------------
-- Skip_Spaces --
-----------------
procedure Skip_Spaces (Str : String; Index : in out Integer) is
begin
while Index <= Str'Last
and then (Str (Index) = ' ' or else Str (Index) = ASCII.LF)
loop
Index := Index + 1;
end loop;
end Skip_Spaces;
--------------------------
-- Skip_Spaces_Backward --
--------------------------
procedure Skip_Spaces_Backward (Str : String; Index : in out Integer) is
begin
while Index >= Str'First
and then (Str (Index) = ' ' or else Str (Index) = ASCII.LF)
loop
Index := Index - 1;
end loop;
end Skip_Spaces_Backward;
First : Integer := Config'First;
Pkg_Name_First, Pkg_Name_Last : Integer;
Pkg_Content_First : Integer;
Last : Integer;
use Ada.Strings.Fixed;
begin
while First /= 0 and then First <= Config'Last loop
-- Do we have a top-level attribute ?
Skip_Spaces (Config, First);
Pkg_Name_First := Index (Config (First .. Config'Last), "package ");
if Pkg_Name_First = 0 then
Pkg_Name_First := Config'Last + 1;
end if;
Last := Pkg_Name_First - 1;
Skip_Spaces_Backward (Config, Last);
Add_Package
(Name => "",
Chunk => Config (First .. Last),
Prefix => " ");
exit when Pkg_Name_First > Config'Last;
-- Parse the current package
Pkg_Name_First := Pkg_Name_First + 8; -- skip "package "
Skip_Spaces (Config, Pkg_Name_First);
Pkg_Name_Last := Pkg_Name_First + 1;
while Pkg_Name_Last <= Config'Last
and then Config (Pkg_Name_Last) /= ' '
and then Config (Pkg_Name_Last) /= ASCII.LF
loop
Pkg_Name_Last := Pkg_Name_Last + 1;
end loop;
Pkg_Content_First := Pkg_Name_Last + 1;
Skip_Spaces (Config, Pkg_Content_First);
Pkg_Content_First := Pkg_Content_First + 2; -- skip "is"
Skip_Spaces (Config, Pkg_Content_First);
Last := Index (Config (Pkg_Content_First .. Config'Last),
"end " & Config (Pkg_Name_First .. Pkg_Name_Last - 1));
if Last /= 0 then
First := Last - 1;
Skip_Spaces_Backward (Config, First);
Add_Package
(Name => Config (Pkg_Name_First .. Pkg_Name_Last - 1),
Chunk => Config (Pkg_Content_First .. First));
while Last <= Config'Last and then Config (Last) /= ';' loop
Last := Last + 1;
end loop;
Last := Last + 1;
end if;
First := Last;
end loop;
end Merge_Config;
-----------------------
-- Name_As_Directory --
-----------------------
function Name_As_Directory (Dir : String) return String is
use GNAT.OS_Lib;
begin
if Dir = ""
or else Dir (Dir'Last) in Directory_Separator | '/'
then
return Dir;
else
return Dir & Directory_Separator;
end if;
end Name_As_Directory;
-----------------------
-- Normalized_Target --
-----------------------
function Normalized_Target
(Self : Object;
Target : Name_Type) return Name_Type
is
Result : Target_Set_Description;
begin
Result := Targets_Set_Vectors.Element
(Self.Targets_Sets, Self.Query_Targets_Set (Target));
return Name_Type (To_String (Result.Name));
exception
when others =>
return "unknown";
end Normalized_Target;
--------------------
-- Parse_All_Dirs --
--------------------
procedure Parse_All_Dirs
(Processed_Value : out External_Value_Lists.List;
Visited : in out String_To_External_Value.Map;
Current_Dir : String;
Path_To_Check : String;
Regexp : Regpat.Pattern_Matcher;
Regexp_Str : String;
Value_If_Match : String;
Group : Integer;
Group_Match : String := "";
Group_Count : Natural := 0;
Contents : Pattern_Matcher_Holder;
Merge_Same_Dirs : Boolean;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object)
is
use GNAT.Regpat;
use GNAT.OS_Lib;
use GNATCOLL.Traces;
procedure Save_File (Current_Dir : String; Val : String);
-- Mark the given directory as valid for the <directory> configuration.
-- This takes care of removing duplicates if needed.
function Is_Regexp (Str : String) return Boolean;
-- Whether Str is a regular expression
function Unquote_Regexp
(Str : String; Remove_Quoted : Boolean := False) return String;
-- Remove special '\' quoting characters from Str.
-- As a special case, if Remove_Quoted is true, then '\'
-- and the following char are simply omitted in the output.
-- For instance:
-- Str="A\." Remove_Quoted=False => output is "A."
-- Str="A\." Remove_Quoted=False => output is "A"
---------------
-- Is_Regexp --
---------------
function Is_Regexp (Str : String) return Boolean is
-- Take into account characters quoted by '\'. We just remove them
-- for now, so that when we quote the regexp it won't see these
-- potentially special characters.
-- The goal is that for instance "\.\." is not considered
-- as a regexp, but "\.." is.
Str2 : constant String := Unquote_Regexp (Str, Remove_Quoted => True);
begin
return Regpat.Quote (Str2) /= Str2;
end Is_Regexp;
---------------
-- Save_File --
---------------
procedure Save_File (Current_Dir : String; Val : String) is
begin
if not Merge_Same_Dirs then
Trace (Main_Trace, "<dir>: SAVE " & Current_Dir);
Processed_Value.Append
((Value => To_Unbounded_String (Val),
Alternate => Null_Unbounded_String,
Extracted_From =>
To_Unbounded_String (Get_String_No_Adalib (Current_Dir))));
else
declare
use String_To_External_Value;
Normalized : constant String := Normalize_Pathname
(Name => Current_Dir,
Directory => "",
Resolve_Links => True,
Case_Sensitive => True);
Prev : External_Value_Lists.Cursor;
Rec : External_Value_Item;
begin
if Visited.Contains (Normalized) then
Trace
(Main_Trace,
"<dir>: ALREADY FOUND (" & Val & ") " & Current_Dir);
Prev := Visited.Element (Normalized);
Rec := External_Value_Lists.Element (Prev);
Rec.Alternate := To_Unbounded_String (Val);
External_Value_Lists.Replace_Element
(Container => Processed_Value,
Position => Prev,
New_Item => Rec);
else
Trace
(Main_Trace, "<dir>: SAVE (" & Val & ") " & Current_Dir);
Processed_Value.Append
((Value => To_Unbounded_String (Val),
Alternate => Null_Unbounded_String,
Extracted_From =>
To_Unbounded_String
(Get_String_No_Adalib (Current_Dir))));
Visited.Include
(Normalized, External_Value_Lists.Last (Processed_Value));
end if;
end;
end if;
end Save_File;
--------------------
-- Unquote_Regexp --
--------------------
function Unquote_Regexp
(Str : String; Remove_Quoted : Boolean := False) return String
is
Str2 : String (Str'Range);
S : Integer := Str'First;
Index : Integer := Str2'First;
begin
while S <= Str'Last loop
if Str (S) = '\' then
S := S + 1;
if not Remove_Quoted then
Str2 (Index) := Str (S);
Index := Index + 1;
end if;
else
Str2 (Index) := Str (S);
Index := Index + 1;
end if;
S := S + 1;
end loop;
return Str2 (Str2'First .. Index - 1);
end Unquote_Regexp;
First : constant Integer := Path_To_Check'First;
Last : Integer;
Val : Unbounded_String;
begin
if Path_To_Check'Length = 0
or else Path_To_Check = "/"
or else Path_To_Check = String'(1 => Directory_Separator)
then
if Group = -1 then
Val := To_Unbounded_String (Value_If_Match);
else
Val := To_Unbounded_String (Group_Match);
end if;
if not Contents.Is_Empty
and then Is_Regular_File (Current_Dir)
then
Trace (Main_Trace, "<dir>: Checking inside file " & Current_Dir);
declare
use Ada.Text_IO;
use Directory_Operations;
F : File_Type;
begin
Open (F, In_File, Current_Dir);
while not End_Of_File (F) loop
declare
Line : constant String := Get_Line (F);
begin
Trace (Main_Trace, "<dir>: read line " & Line);
if Match (Contents.Element, Line) then
Save_File
(Normalize_Pathname
(Name => Line,
Directory => Dir_Name (Current_Dir),
Resolve_Links => True),
To_String (Val));
exit;
end if;
end;
end loop;
Close (F);
end;
else
Save_File (Current_Dir, To_String (Val));
end if;
else
-- Do not split on '\', since we document we only accept UNIX paths
-- anyway. This leaves \ for regexp quotes.
Last := First + 1;
while Last <= Path_To_Check'Last
and then Path_To_Check (Last) /= '/'
loop
Last := Last + 1;
end loop;
-- If we do not have a regexp
if not Is_Regexp (Path_To_Check (First .. Last - 1)) then
declare
Dir : constant String :=
Normalize_Pathname
(Current_Dir, Resolve_Links => False)
& Directory_Separator
& Unquote_Regexp
(Path_To_Check (First .. Last - 1));
Remains : constant String :=
Path_To_Check (Last + 1 .. Path_To_Check'Last);
begin
if (Remains'Length = 0
or else Remains = "/"
or else Remains = String'(1 => Directory_Separator))
and then Is_Regular_File (Dir)
then
Trace (Main_Trace, "<dir>: Found file " & Dir);
-- If there is such a subdir, keep checking
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir => Dir,
Path_To_Check => Remains,
Regexp => Regexp,
Regexp_Str => Regexp_Str,
Value_If_Match => Value_If_Match,
Group => Group,
Group_Match => Group_Match,
Group_Count => Group_Count,
Contents => Contents,
Merge_Same_Dirs => Merge_Same_Dirs,
Error_Sloc => Error_Sloc,
Messages => Messages);
elsif Is_Directory (Dir) then
Trace (Main_Trace, "<dir>: Recurse into " & Dir);
-- If there is such a subdir, keep checking
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir => Dir & Directory_Separator,
Path_To_Check => Remains,
Regexp => Regexp,
Regexp_Str => Regexp_Str,
Value_If_Match => Value_If_Match,
Group => Group,
Group_Match => Group_Match,
Group_Count => Group_Count,
Contents => Contents,
Merge_Same_Dirs => Merge_Same_Dirs,
Error_Sloc => Error_Sloc,
Messages => Messages);
else
Trace (Main_Trace, "<dir>: No such directory: " & Dir);
end if;
end;
-- Else we have a regexp, check all files
else
declare
use Ada.Directories;
File_Re : constant String :=
Path_To_Check (First .. Last - 1);
File_Regexp : constant Pattern_Matcher := Compile (File_Re);
Search : Search_Type;
File : Directory_Entry_Type;
Filter : Ada.Directories.Filter_Type;
begin
if File_Re = ".." then
Trace
(Main_Trace,
"Potential error: .. is generally not meant as a regexp,"
& " and should be quoted in this case, as in \.\.");
end if;
if Path_To_Check (Last) = '/' then
Trace
(Main_Trace,
"<dir>: Check directories in " & Current_Dir
& " that match " & File_Re);
Filter := (Directory => True, others => False);
else
Trace
(Main_Trace,
"<dir>: Check files in " & Current_Dir
& " that match " & File_Re);
Filter := (others => True);
end if;
Start_Search
(Search => Search,
Directory => Current_Dir,
Filter => Filter,
Pattern => "");
while More_Entries (Search) loop
begin
Get_Next_Entry (Search, File);
exception
when E : others =>
Trace
(Main_Trace,
"<dir>: ignoring entry, "
& Ada.Exceptions.Exception_Message (E));
goto Next_Entry;
end;
if Directories.Simple_Name (File) /= "."
and then Directories.Simple_Name (File) /= ".."
then
declare
Simple : constant String :=
Directories.Simple_Name (File);
Count : constant Natural :=
Paren_Count (File_Regexp);
Matched : Match_Array (0 .. Integer'Max (Group, 0));
begin
Match (File_Regexp, Simple, Matched);
if Matched (0) /= No_Match then
Trace
(Main_Trace,
"<dir>: Matched "
& Ada.Directories.Simple_Name (File));
if Group_Count < Group
and then Group_Count + Count >= Group
then
if Matched (Group - Group_Count) = No_Match then
Trace
(Main_Trace,
"<dir>: Matched group is empty, skipping");
return;
end if;
Trace
(Main_Trace,
"<dir>: Found matched group: "
& Simple (Matched (Group - Group_Count).First
.. Matched (Group - Group_Count).Last));
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir =>
Full_Name (File) & Directory_Separator,
Path_To_Check => Path_To_Check
(Last + 1 .. Path_To_Check'Last),
Regexp => Regexp,
Regexp_Str => Regexp_Str,
Value_If_Match => Value_If_Match,
Group => Group,
Group_Match =>
Simple (Matched (Group - Group_Count).First
.. Matched (Group - Group_Count).Last),
Group_Count => Group_Count + Count,
Contents => Contents,
Merge_Same_Dirs => Merge_Same_Dirs,
Error_Sloc => Error_Sloc,
Messages => Messages);
else
Parse_All_Dirs
(Processed_Value => Processed_Value,
Visited => Visited,
Current_Dir =>
Full_Name (File) & Directory_Separator,
Path_To_Check => Path_To_Check
(Last + 1 .. Path_To_Check'Last),
Regexp => Regexp,
Regexp_Str => Regexp_Str,
Value_If_Match => Value_If_Match,
Group => Group,
Group_Match => Group_Match,
Group_Count => Group_Count + Count,
Contents => Contents,
Merge_Same_Dirs => Merge_Same_Dirs,
Error_Sloc => Error_Sloc,
Messages => Messages);
end if;
end if;
end;
end if;
<< Next_Entry >>
end loop;
end;
end if;
end if;
end Parse_All_Dirs;
------------------------------
-- Parse_Default_Target_Val --
------------------------------
procedure Parse_Default_Target_Val is
use GNATCOLL.Traces;
use GNAT.OS_Lib;
Tgt_File_Base : constant String := "default_target";
Tgt_File_Full : constant String :=
GPR_Executable_Prefix_Path
& "share" & Directory_Separator
& "gprconfig" & Directory_Separator & Tgt_File_Base;
F : Ada.Text_IO.File_Type;
begin
Trace (Main_Trace, "Parsing default target");
Default_Target_Parsed := True;
if GPR_Executable_Prefix_Path = "" then
Trace (Main_Trace, "Gprtools installation not found");
return;
end if;
if not Is_Regular_File (Tgt_File_Full) then
Trace (Main_Trace, Tgt_File_Full & " not found");
return;
end if;
Ada.Text_IO.Open (F, Ada.Text_IO.In_File, Tgt_File_Full);
Default_Target_Val := To_Unbounded_String (Ada.Text_IO.Get_Line (F));
Ada.Text_IO.Close (F);
exception
when X : others =>
Trace (Main_Trace, "Cannot parse " & Tgt_File_Full);
Trace (Main_Trace, Ada.Exceptions.Exception_Information (X));
end Parse_Default_Target_Val;
-----------------------
-- Query_Targets_Set --
-----------------------
function Query_Targets_Set
(Self : Object;
Target : Name_Type) return Targets_Set_Id
is
use Targets_Set_Vectors;
use Target_Lists;
Tgt : constant String := String (Target);
begin
if Target = "all" then
return All_Target_Sets;
end if;
for I in
First_Index (Self.Targets_Sets) .. Last_Index (Self.Targets_Sets)
loop
declare
Set : constant Target_Lists.List :=
Targets_Set_Vectors.Element
(Self.Targets_Sets, I).Patterns;
C : Target_Lists.Cursor := First (Set);
begin
while Has_Element (C) loop
if GNAT.Regpat.Match
(Target_Lists.Element (C), Tgt) > Tgt'First - 1
then
return I;
end if;
Next (C);
end loop;
end;
end loop;
return Unknown_Targets_Set;
end Query_Targets_Set;
-------------
-- Release --
-------------
procedure Release (Self : in out Object) is
begin
null;
end Release;
-------------
-- Runtime --
-------------
function Runtime
(Comp : Compiler;
Alternate : Boolean := False) return Optional_Name_Type is
begin
if Alternate then
if Comp.Runtime /= Null_Unbounded_String then
if Comp.Alt_Runtime /= Null_Unbounded_String then
return Optional_Name_Type
(To_String (Comp.Runtime)
& " ["
& To_String (Comp.Alt_Runtime)
& "]");
else
return Optional_Name_Type (To_String (Comp.Runtime));
end if;
else
return No_Name;
end if;
end if;
if Comp.Alt_Runtime /= Null_Unbounded_String then
return Optional_Name_Type (To_String (Comp.Alt_Runtime));
elsif Comp.Runtime /= Null_Unbounded_String then
return Optional_Name_Type (To_String (Comp.Runtime));
else
return No_Name;
end if;
end Runtime;
------------------------
-- Set_Default_Target --
------------------------
procedure Set_Default_Target (New_Target : Name_Type) is
begin
Default_Target_Parsed := True;
Default_Target_Val := To_Unbounded_String (String (New_Target));
end Set_Default_Target;
-------------------
-- Set_Selection --
-------------------
procedure Set_Selection
(Compilers : in out Compiler_Lists.List;
Cursor : Compiler_Lists.Cursor;
Selected : Boolean)
is
procedure Internal (Comp : in out Compiler);
--------------
-- Internal --
--------------
procedure Internal (Comp : in out Compiler) is
begin
Set_Selection (Comp, Selected);
end Internal;
begin
Compiler_Lists.Update_Element (Compilers, Cursor, Internal'Access);
end Set_Selection;
-------------------
-- Set_Selection --
-------------------
procedure Set_Selection
(Comp : in out Compiler;
Selected : Boolean) is
begin
Comp.Selected := Selected;
end Set_Selection;
--------------------------
-- Substitute_Variables --
--------------------------
function Substitute_Variables
(Str : String;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String
is
use Ada.Characters.Handling;
Str_Len : constant Natural := Str'Last;
Pos : Natural := Str'First;
Last : Natural := Pos;
Result : Unbounded_String;
Word_Start, Word_End : Natural;
Tmp : Natural;
Has_Index : Boolean;
begin
while Pos < Str_Len loop
if Str (Pos) = '$' and then Str (Pos + 1) = '$' then
Append (Result, Str (Last .. Pos - 1));
Append (Result, "$");
Last := Pos + 2;
Pos := Last;
elsif Str (Pos) = '$' then
if Str (Pos + 1) = '{' then
Word_Start := Pos + 2;
Tmp := Pos + 2;
while Tmp <= Str_Len and then Str (Tmp) /= '}' loop
Tmp := Tmp + 1;
end loop;
Tmp := Tmp + 1;
Word_End := Tmp - 2;
else
Word_Start := Pos + 1;
Tmp := Pos + 1;
while Tmp <= Str_Len
and then (Is_Alphanumeric (Str (Tmp)) or else Str (Tmp) = '_')
loop
Tmp := Tmp + 1;
end loop;
Word_End := Tmp - 1;
end if;
Append (Result, Str (Last .. Pos - 1));
Has_Index := False;
for W in Word_Start .. Word_End loop
if Str (W) = '(' then
Has_Index := True;
if Str (Word_End) /= ')' then
Messages.Append
(Message.Create
(Message.Error,
"Missing closing parenthesis in variable name: "
& Str (Word_Start .. Word_End),
Sloc => Error_Sloc));
raise Invalid_KB;
else
Append
(Result,
Callback
(Var_Name => Str (Word_Start .. W - 1),
Index => Str (W + 1 .. Word_End - 1)));
end if;
exit;
end if;
end loop;
if not Has_Index then
Append (Result, Callback (Str (Word_Start .. Word_End), ""));
end if;
Last := Tmp;
Pos := Last;
else
Pos := Pos + 1;
end if;
end loop;
Append (Result, Str (Last .. Str_Len));
return To_String (Result);
end Substitute_Variables;
--------------------------------------------------
-- Substitute_Variables_In_Compiler_Description --
--------------------------------------------------
function Substitute_Variables_In_Compiler_Description
(Str : String;
Comp : Compiler;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String
is
function Callback (Var_Name, Index : String) return String;
-- Wraps Get_Variable_Value for <compiler_description> nodes
-- and aborts KB parsing in case of improper use of indexed
-- variables in those nodes.
--------------
-- Callback --
--------------
function Callback (Var_Name, Index : String) return String is
begin
if Index /= "" then
Messages.Append
(Message.Create
(Message.Error,
"Indexed variables only allowed in <configuration> (in "
& Var_Name & "(" & Index & ")",
Sloc => Error_Sloc));
raise Invalid_KB;
end if;
begin
return Get_Variable_Value (Comp, Var_Name);
exception
when Ex : Invalid_KB =>
Messages.Append
(Message.Create
(Message.Error,
Ada.Exceptions.Exception_Message (Ex),
Sloc => Error_Sloc));
raise Invalid_KB;
end;
end Callback;
function Do_Substitute is new Substitute_Variables (Callback);
begin
return Do_Substitute (Str, Error_Sloc, Messages);
end Substitute_Variables_In_Compiler_Description;
-------------------------------------------
-- Substitute_Variables_In_Configuration --
-------------------------------------------
function Substitute_Variables_In_Configuration
(Self : Object;
Str : String;
Comps : Compiler_Lists.List;
Langs : Ordered_Languages;
Error_Sloc : Source_Reference.Object;
Messages : in out Log.Object) return String
is
function Callback (Var_Name, Index : String) return String;
-- Wraps Get_Variable_Value for configuration> nodes
-- and aborts configuration creation in case of improper use of indexed
-- variables in those nodes.
--------------
-- Callback --
--------------
function Callback (Var_Name, Index : String) return String is
function Do_Subst (Lang : Language_Id) return String;
-- Performs substitution with a given language index
--------------
-- Do_Subst --
--------------
function Do_Subst (Lang : Language_Id) return String is
begin
for Comp of Comps loop
if Comp.Selected
and then Comp.Language = Lang
then
return Get_Variable_Value (Comp, Var_Name);
end if;
end loop;
return "";
end Do_Subst;
begin
if Var_Name = "GPRCONFIG_PREFIX" then
return GPR_Executable_Prefix_Path;
elsif Index = "" then
if Var_Name = "TARGET"
and then not Comps.Is_Empty
then
-- Can have an optional language index.
-- If there is no index, all compilers share the same target,
-- so just take that of the first compiler in the list
return
String
(Self.Normalized_Target
(Name_Type (To_String (Comps.First_Element.Target))));
else
Messages.Append
(Message.Create
(Message.Error,
"Ambiguous variable substitution, need to specify the"
& " language (in " & Var_Name & ")",
Sloc => Error_Sloc));
raise Invalid_KB;
end if;
else
if Index = "*" then
for Lang of Langs loop
begin
return Do_Subst (Lang);
exception
when Ex : Invalid_KB =>
GNATCOLL.Traces.Trace
(Main_Trace,
Ada.Exceptions.Exception_Message (Ex)
& " for language " & Image (Lang));
end;
end loop;
Messages.Append
(Message.Create
(Message.Error,
"variable '" & Var_Name
& "' is not defined for any language",
Sloc => Error_Sloc));
raise Invalid_KB;
else
begin
return Do_Subst (+Name_Type (Index));
exception
when Ex : Invalid_KB =>
Messages.Append
(Message.Create
(Message.Error,
Ada.Exceptions.Exception_Message (Ex),
Sloc => Error_Sloc));
raise Invalid_KB;
end;
end if;
end if;
end Callback;
function Do_Substitute is new Substitute_Variables (Callback);
begin
return Do_Substitute (Str, Error_Sloc, Messages);
end Substitute_Variables_In_Configuration;
---------------
-- To_String --
---------------
function To_String (Comp : Compiler) return String is
function Get_String_Or_Empty (S : Unbounded_String) return String is
(if S = Null_Unbounded_String then "" else To_String (S));
begin
return String (Name (Comp.Language))
& ',' & Get_String_Or_Empty (Comp.Version)
& ',' & Get_String_Or_Empty (Comp.Runtime)
& ',' & (if Comp.Path.Is_Defined then Comp.Path.Value else "")
& ',' & Get_String_Or_Empty (Comp.Name);
end To_String;
---------------
-- To_String --
---------------
function To_String
(Compilers : Compiler_Lists.List) return String
is
use Compiler_Lists;
Comp : Compiler_Lists.Cursor := First (Compilers);
Result : Unbounded_String;
begin
while Has_Element (Comp) loop
if Compiler_Lists.Element (Comp).Selected then
Append (Result, To_String (Compiler_Lists.Element (Comp)));
Append (Result, ASCII.LF);
end if;
Next (Comp);
end loop;
return To_String (Result);
end To_String;
----------------------------------
-- Update_With_Compiler_Runtime --
----------------------------------
procedure Update_With_Compiler_Runtime
(Self : in out Object;
Comp : Compiler;
Environment : GPR2.Environment.Object) is
begin
if Comp.Selected
and then Comp.Runtime_Dir /= Null_Unbounded_String
then
declare
RTS : constant String := To_String (Comp.Runtime_Dir);
Last : Natural := RTS'Last;
begin
if RTS (Last) = '/' or else
RTS (Last) = GNAT.OS_Lib.Directory_Separator
then
Last := Last - 1;
end if;
if Last - RTS'First > 6 and then
RTS (Last - 5 .. Last) = "adalib" and then
(RTS (Last - 6) = GNAT.OS_Lib.Directory_Separator or else
(RTS (Last - 6) = '/'))
then
Last := Last - 6;
else
Last := RTS'Last;
end if;
if GNAT.OS_Lib.Is_Directory (RTS (RTS'First .. Last)) then
GNATCOLL.Traces.Trace
(Main_Trace,
"Parsing runtime-specific KB chunks at "
& RTS (RTS'First .. Last));
Self.Add
(Default_Flags,
GPR2.Path_Name.Create_Directory
(Filename_Type (RTS (RTS'First .. Last))),
Environment);
end if;
end;
end if;
end Update_With_Compiler_Runtime;
end GPR2.KB;
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