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1049 | --
-- Copyright (C) 2014-2022, AdaCore
-- SPDX-License-Identifier: Apache-2.0
--
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Containers.Generic_Array_Sort;
with Ada.Directories; use Ada.Directories;
with Ada.Exceptions; use Ada.Exceptions;
with Ada.Strings.Fixed;
with Ada.Text_IO; use Ada.Text_IO;
with Ada.Unchecked_Deallocation;
with System;
with GNATCOLL.Projects; use GNATCOLL.Projects;
with GNATCOLL.Strings; use GNATCOLL.Strings;
with Langkit_Support.Slocs; use Langkit_Support.Slocs;
with Langkit_Support.Text; use Langkit_Support.Text;
with Libadalang.Common; use Libadalang.Common;
with Libadalang.GPR_Utils; use Libadalang.GPR_Utils;
with Libadalang.PP_Impl; use Libadalang.PP_Impl;
with Libadalang.PP_Lexer; use Libadalang.PP_Lexer;
package body Libadalang.Preprocessing is
procedure Free is new Ada.Unchecked_Deallocation
(Preprocessor_Data_Record, Preprocessor_Data_Access);
type Dummy_Unit_Provider is new Unit_Provider_Interface with null record;
-- Dummy provider for ``Preprocessor_Data_Record.Context``. The default
-- provider calls GPR code, which is costly for nothing: this context is
-- used only to do parsing, so there is no unit resolution.
overriding function Get_Unit_Filename
(Self : Dummy_Unit_Provider;
Name : Text_Type;
Kind : Analysis_Unit_Kind) return String is (raise Program_Error);
overriding function Get_Unit
(Self : Dummy_Unit_Provider;
Context : Analysis_Context'Class;
Name : Text_Type;
Kind : Analysis_Unit_Kind;
Charset : String := "";
Reparse : Boolean := False) return Analysis_Unit'Class
is (raise Program_Error);
overriding procedure Release (Self : in out Dummy_Unit_Provider) is null;
function Create_Dummy_Context return Analysis_Context
is
(Create_Context (Unit_Provider => Create_Unit_Provider_Reference
(Dummy_Unit_Provider'(null record))));
type Pp_File_Reader is new File_Reader_Interface with record
Data : Preprocessor_Data;
-- Preprocessor data to use when reading source files
end record;
-- File reader to preprocess source files
overriding procedure Read
(Self : Pp_File_Reader;
Filename : String;
Charset : String;
Read_BOM : Boolean;
Contents : out Decoded_File_Contents;
Diagnostics : in out Diagnostics_Vectors.Vector);
overriding procedure Release (Self : in out Pp_File_Reader) is null;
type File_Config_Acc is access constant File_Config;
function Lookup_Config
(Data : Preprocessor_Data;
Filename : String) return not null File_Config_Acc;
-- Look for the file config to use for a given Ada source file.
-- ``Filename`` does not need to be valid from the current working
-- directory as only the base name is used.
function Lookup_File (Path : Any_Path; Filename : String) return String;
-- Wrapper around ``GNATCOLL.File_Paths.Lookup`` to raise a
-- ``File_Read_Error`` exception when the file is not found.
function Parse_Definition_File
(Diagnostic_Filename, Filename : String) return Definition_Maps.Map;
-- Wrapper around the public function, letting the caller to specify a
-- diagnostic filename.
procedure Extract_Preprocessor_Data_From_Project
(Tree : Any_Tree;
View : Any_View;
Default_Config : out File_Config;
File_Configs : out File_Config_Maps.Map)
with Pre => Tree.Kind = View.Kind;
-- Common implementation for the homonym public functions
----------
-- Read --
----------
overriding procedure Read
(Self : Pp_File_Reader;
Filename : String;
Charset : String;
Read_BOM : Boolean;
Contents : out Decoded_File_Contents;
Diagnostics : in out Diagnostics_Vectors.Vector)
is
In_Buffer : String_Access;
Out_Buffer : Preprocessed_Source;
begin
-- Just perform a direct read if preprocessing is disabled for this
-- source file.
if not Needs_Preprocessing (Self.Data, Filename) then
Direct_Read (Filename, Charset, Read_BOM, Contents, Diagnostics);
return;
end if;
-- According to the file reader interface, if there is at least one
-- diagnostic, the value of ``Contents`` is ignored, so it is ok to
-- leave it uninitialized on error.
--
-- First, read the file content to preprocess.
begin
In_Buffer := Read (Filename);
exception
when Exc : File_Read_Error =>
Append (Diagnostics, Exc => Exc);
return;
end;
-- Run the preprocessor on it and free the temporary buffer
Preprocess (Lookup_Config (Self.Data, Filename).all,
Self.Data.Data.Context,
In_Buffer.all,
Out_Buffer,
Diagnostics);
Free (In_Buffer);
-- If the preprocessor returned a source buffer, decode it. If not, it
-- is supposed to have created diagnostics.
if Out_Buffer.Buffer = null then
pragma Assert (not Diagnostics.Is_Empty);
else
Decode_Buffer
(Out_Buffer.Buffer (1 .. Out_Buffer.Last),
Charset,
Read_BOM,
Contents,
Diagnostics);
Free (Out_Buffer.Buffer);
end if;
end Read;
-------------------
-- Lookup_Config --
-------------------
function Lookup_Config
(Data : Preprocessor_Data;
Filename : String) return not null File_Config_Acc
is
use File_Config_Maps;
Key : constant US.Unbounded_String :=
US.To_Unbounded_String (Simple_Name (Filename));
Cur : constant Cursor := Data.Data.File_Configs.Find (Key);
begin
if Has_Element (Cur) then
declare
Result : File_Config renames
Data.Data.File_Configs.Reference (Cur);
begin
return Result'Unrestricted_Access;
end;
else
return Data.Data.Default_Config'Unrestricted_Access;
end if;
end Lookup_Config;
-----------------
-- Lookup_File --
-----------------
function Lookup_File (Path : Any_Path; Filename : String) return String is
begin
return Result : constant String := Lookup (Path, Filename) do
if Result = "" then
raise File_Read_Error with "no such file: " & Filename;
end if;
end return;
end Lookup_File;
---------------
-- As_String --
---------------
function As_String (Value : Value_Type) return US.Unbounded_String is
begin
return (case Value.Kind is
when Empty => US.Null_Unbounded_String,
when String_Literal => Value.String_Value,
when Symbol => Value.Symbol_Value);
end As_String;
-----------------------------
-- Parse_Definition_Option --
-----------------------------
procedure Parse_Definition_Option
(Option : String; Name : out US.Unbounded_String; Value : out Value_Type)
is
-- We accept either "<X>=<Y>", where X is a valid identifier and Y may
-- be empty, or just "<X>".
Eq : constant Natural :=
Ada.Strings.Fixed.Index (Option, "=", Option'First);
Name_Last : constant Positive := (if Eq = 0
then Option'Last
else Eq - 1);
Value_First : constant Positive := (if Eq = 0
then Option'Last + 1
else Eq + 1);
N : String renames Option (Option'First .. Name_Last);
V : String renames Option (Value_First .. Option'Last);
begin
if Is_Valid_Identifier (N) then
Name := US.To_Unbounded_String (To_Lower (N));
else
raise Syntax_Error with "invalid preprocessing symbol name: " & N;
end if;
if V = "" then
Value := (Kind => Empty);
elsif V (V'First) = '"' then
Value := (Kind => String_Literal,
String_Value => US.To_Unbounded_String (V));
else
Value := (Kind => Symbol,
Symbol_Value => US.To_Unbounded_String (V));
end if;
end Parse_Definition_Option;
---------------------------
-- Parse_Definition_File --
---------------------------
function Parse_Definition_File
(Diagnostic_Filename, Filename : String) return Definition_Maps.Map
is
L : Lexer := Create_Lexer (Diagnostic_Filename, Filename);
T : Token_Type;
procedure Error (Message : String) with No_Return;
-- Raise a ``Syntax_Error`` exceptions with the given error message,
-- including sloc information from ``T``.
-----------
-- Error --
-----------
procedure Error (Message : String) is
begin
raise Syntax_Error with
Filename & ":" & Image (T.Sloc) & ": " & Message;
end Error;
Result : Definition_Maps.Map;
Sym : US.Unbounded_String;
Val : Value_Type;
-- Temporaries to track the symbol/value of a definition during parsing
begin
-- Scan all lines until reaching the end of file
Scan_Lines : loop
Next (L, T);
case T.Kind is
when Chars_Sequence =>
-- Try to get a symbol/value association
if not Is_Valid_Identifier (L, T) then
Error ("symbol expected");
end if;
Sym := Get_Text_Lowercase (L, T);
Next (L, T);
if T.Kind /= Assign then
Error ("assignment operator expected");
end if;
-- The value is optional, so it is legitimate to reach the end
-- of line here.
Next (L, T);
case T.Kind is
when EOF | EOL =>
Val := (Kind => Empty);
when String_Literal =>
Val := (Kind => String_Literal,
String_Value => Get_Text (L, T));
when Chars_Sequence =>
Val := (Kind => Symbol, Symbol_Value => Get_Text (L, T));
when others =>
Error ("value or end of line expected");
end case;
Result.Include (Sym, Val);
-- The symbol/value association is complete: make sure we now
-- reach the end of line (to the next association) or the end
-- of file (parsing completed).
if T.Kind not in EOF | EOL then
Next (L, T);
if T.Kind = EOF then
exit Scan_Lines;
elsif T.Kind /= EOL then
Error ("end of line expected");
end if;
end if;
when EOL =>
null;
when EOF =>
exit Scan_Lines;
when others =>
Error ("symbol expected");
end case;
end loop Scan_Lines;
return Result;
end Parse_Definition_File;
---------------------------
-- Parse_Definition_File --
---------------------------
function Parse_Definition_File
(Filename : String) return Definition_Maps.Map
is
begin
return Parse_Definition_File (Filename, Filename);
end Parse_Definition_File;
----------
-- Move --
----------
procedure Move (Target, Source : in out File_Config) is
use type System.Address;
begin
if Target'Address = Source'Address then
return;
end if;
if Source.Enabled then
Target :=
(Enabled => True,
Definitions => <>,
Line_Mode => Source.Line_Mode,
Print_Symbols => Source.Print_Symbols,
Undefined_Is_False => Source.Undefined_Is_False);
Target.Definitions.Move (Source.Definitions);
Source := Disabled_File_Config;
else
Target := Source;
end if;
end Move;
---------
-- "=" --
---------
overriding function "=" (Left, Right : Preprocessor_Data) return Boolean is
use type File_Config_Maps.Map;
begin
if Left.Data = null or else Right.Data = null then
return Left.Data = Right.Data;
else
return Left.Default_Config = Right.Default_Config
and then Left.File_Configs = Right.File_Configs;
end if;
end "=";
----------------------------------
-- Parse_Preprocessor_Data_File --
----------------------------------
function Parse_Preprocessor_Data_File
(Filename : String; Path : Any_Path) return Preprocessor_Data
is
Default_Config : File_Config;
File_Configs : File_Config_Maps.Map;
begin
Parse_Preprocessor_Data_File
(Filename, Path, Default_Config, File_Configs);
return Create_Preprocessor_Data (Default_Config, File_Configs);
end Parse_Preprocessor_Data_File;
----------------------------------
-- Parse_Preprocessor_Data_File --
----------------------------------
procedure Parse_Preprocessor_Data_File
(Filename : String;
Path : Any_Path;
Default_Config : out File_Config;
File_Configs : out File_Config_Maps.Map)
is
L : Lexer := Create_Lexer (Filename, Lookup_File (Path, Filename));
T : Token_Type;
procedure Error (Message : String) with No_Return;
procedure Process_Switch (Cfg : in out File_Config; Switch : String);
-- Decode the ``Switch`` gnatprep command line switch and update ``Cfg``
-- accordingly. Raise a ``Syntax_Error`` if the switch is invalid.
-----------
-- Error --
-----------
procedure Error (Message : String) is
begin
raise Syntax_Error with
Filename & ":" & Image (T.Sloc) & ": " & Message;
end Error;
--------------------
-- Process_Switch --
--------------------
procedure Process_Switch (Cfg : in out File_Config; Switch : String) is
begin
if Switch = "-b" then
Cfg.Line_Mode := Blank_Lines;
elsif Switch = "-c" then
Cfg.Line_Mode := Comment_Lines;
elsif Switch = "-s" then
Cfg.Print_Symbols := True;
elsif Switch = "-u" then
Cfg.Undefined_Is_False := True;
elsif Switch (Switch'First .. Switch'First + 1) = "-D" then
declare
Name : US.Unbounded_String;
Value : Value_Type;
begin
Parse_Definition_Option
(Switch (Switch'First + 2 .. Switch'Last),
Name, Value);
Cfg.Definitions.Include (Name, Value);
exception
when Exc : Syntax_Error =>
Error ("for option -D: " & Exception_Message (Exc));
end;
else
Error ("invalid switch: " & Switch);
end if;
end Process_Switch;
File : US.Unbounded_String;
Default : Boolean;
Cfg : File_Config;
begin
Default_Config := Disabled_File_Config;
File_Configs := File_Config_Maps.Empty_Map;
-- Scan all lines until reaching the end of file
Scan_Lines : loop
Next (L, T);
case T.Kind is
when Star | String_Literal =>
Cfg := Disabled_File_Config;
-- Try to get a file configuration: first a file name for an
-- Ada source.
Default := T.Kind = Star;
if not Default then
File := Denoted_String (L, T);
end if;
-- Then an optional file
Next (L, T);
if T.Kind = String_Literal then
declare
Base_Name : constant String :=
US.To_String (Denoted_String (L, T));
Full_Name : constant String :=
Lookup_File (Path, Base_Name);
begin
Cfg := Base_Enabled_File_Config;
Cfg.Definitions := Parse_Definition_File (Full_Name);
Next (L, T);
end;
end if;
-- Finally, an optional list of command-line options
while T.Kind not in EOL | EOF loop
if T.Kind = Switch then
if not Cfg.Enabled then
Cfg := Base_Enabled_File_Config;
end if;
Process_Switch (Cfg, US.To_String (Get_Text (L, T)));
else
Error ("switch expected");
end if;
Next (L, T);
end loop;
if Default then
Default_Config := Cfg;
else
File_Configs.Include (File, Cfg);
end if;
when EOL =>
null;
when EOF =>
exit Scan_Lines;
when others =>
Error ("Ada source filename expected");
end case;
end loop Scan_Lines;
end Parse_Preprocessor_Data_File;
--------------------------------------------
-- Extract_Preprocessor_Data_From_Project --
--------------------------------------------
procedure Extract_Preprocessor_Data_From_Project
(Tree : Any_Tree;
View : Any_View;
Default_Config : out File_Config;
File_Configs : out File_Config_Maps.Map)
is
Defs : Definition_Maps.Map;
-- Keep track of the definitions
Prep_Data_File_Found : Boolean := False;
-- Whether we have found a preprocessor data file
-- Loading preprocessor data is done in two steps: first load the
-- preprocessor data file (if any), then use the symbol definitions
-- found as compilation options. This matches what GNAT implements:
-- ``-gnateDX=Y -gnatep=foo.txt`` sets the ``X`` symbol to ``Y`` even if
-- ``foo.txt`` contains another symbol definition for ``X``.
procedure Process_Switch (View : Any_View; Switch : XString);
-- If relevant, add the compiler ``Switch`` (found in ``View``) to our
-- knowledge base: the ``Default_Config`` and ``File_Configs`` arguments
-- (for preprocessor data files) and ``Defs`` (for symbol definitions).
Source_Dirs : constant Any_Path := Source_Dirs_Path (Tree, View);
-- Source directories in which to look for preprocessor data files
--------------------
-- Process_Switch --
--------------------
procedure Process_Switch (View : Any_View; Switch : XString)
is
-- Prefixes for the command-line options to match
Def_Prefix : constant String := "-gnateD";
File_Prefix : constant String := "-gnatep=";
begin
-- If this option defines a symbol, add it to our list of symbols
if Switch.Starts_With (Def_Prefix) then
declare
Option : constant XString :=
Switch.Slice (Def_Prefix'Length + 1, Switch.Length);
Name : US.Unbounded_String;
Value : Value_Type;
begin
Parse_Definition_Option (Option.To_String, Name, Value);
Defs.Include (Name, Value);
end;
-- If this is the first option we see that uses a preprocessor data
-- file, load it.
elsif Switch.Starts_With (File_Prefix)
and then not Prep_Data_File_Found
then
declare
File : constant XString :=
Switch.Slice (File_Prefix'Length + 1, Switch.Length);
-- Name of the preprocessor data file. It may appear absolute
-- or relative in the project file.
Path : Any_Path := Source_Dirs;
-- Preprocessor data files are looked up in the object
-- directory or in any of the source directories in the project
-- tree.
begin
Add_Directory (Path, Object_Dir (View));
Parse_Preprocessor_Data_File
(File.To_String, Path, Default_Config, File_Configs);
end;
Prep_Data_File_Found := True;
end if;
end Process_Switch;
begin
Default_Config := Disabled_File_Config;
File_Configs := File_Config_Maps.Empty_Map;
-- Go through all subprojects and extract preprocessor data from their
-- compiler switches.
Iterate_Ada_Compiler_Switches (Tree, View, Process_Switch'Access);
-- Now that we have potentially found a preprocessor data file, complete
-- preprocessor data with the symbol definitions we have found.
if not Defs.Is_Empty then
declare
procedure Process (Config : in out File_Config);
-- Make sure preprocessing is enabled for ``Config`` and add
-- symbol definitions from ``Defs`` to it.
-------------
-- Process --
-------------
procedure Process (Config : in out File_Config) is
use Definition_Maps;
begin
if not Config.Enabled then
Config := Base_Enabled_File_Config;
end if;
for Cur in Defs.Iterate loop
Config.Definitions.Include (Key (Cur), Element (Cur));
end loop;
end Process;
begin
Iterate (Default_Config, File_Configs, Process'Access);
end;
end if;
end Extract_Preprocessor_Data_From_Project;
--------------------------------------------
-- Extract_Preprocessor_Data_From_Project --
--------------------------------------------
function Extract_Preprocessor_Data_From_Project
(Tree : Prj.Project_Tree'Class;
Project : Prj.Project_Type := Prj.No_Project) return Preprocessor_Data
is
Default_Config : File_Config;
File_Configs : File_Config_Maps.Map;
begin
Extract_Preprocessor_Data_From_Project
(Tree, Project, Default_Config, File_Configs);
return Create_Preprocessor_Data (Default_Config, File_Configs);
end Extract_Preprocessor_Data_From_Project;
--------------------------------------------
-- Extract_Preprocessor_Data_From_Project --
--------------------------------------------
procedure Extract_Preprocessor_Data_From_Project
(Tree : Prj.Project_Tree'Class;
Project : Prj.Project_Type := Prj.No_Project;
Default_Config : out File_Config;
File_Configs : out File_Config_Maps.Map) is
begin
Extract_Preprocessor_Data_From_Project
(Tree => (Kind => GPR1_Kind,
GPR1_Value => Tree'Unrestricted_Access),
View => (Kind => GPR1_Kind,
GPR1_Value => Project),
Default_Config => Default_Config,
File_Configs => File_Configs);
end Extract_Preprocessor_Data_From_Project;
--------------------------------------------
-- Extract_Preprocessor_Data_From_Project --
--------------------------------------------
function Extract_Preprocessor_Data_From_Project
(Tree : GPR2.Project.Tree.Object;
Project : GPR2.Project.View.Object := GPR2.Project.View.Undefined)
return Preprocessor_Data
is
Default_Config : File_Config;
File_Configs : File_Config_Maps.Map;
begin
Extract_Preprocessor_Data_From_Project
(Tree, Project, Default_Config, File_Configs);
return Create_Preprocessor_Data (Default_Config, File_Configs);
end Extract_Preprocessor_Data_From_Project;
--------------------------------------------
-- Extract_Preprocessor_Data_From_Project --
--------------------------------------------
procedure Extract_Preprocessor_Data_From_Project
(Tree : GPR2.Project.Tree.Object;
Project : GPR2.Project.View.Object := GPR2.Project.View.Undefined;
Default_Config : out File_Config;
File_Configs : out File_Config_Maps.Map) is
begin
Extract_Preprocessor_Data_From_Project
(Tree => (Kind => GPR2_Kind,
GPR2_Value => Tree'Unrestricted_Access),
View => (Kind => GPR2_Kind,
GPR2_Value => Project),
Default_Config => Default_Config,
File_Configs => File_Configs);
end Extract_Preprocessor_Data_From_Project;
------------------------------
-- Create_Preprocessor_Data --
------------------------------
function Create_Preprocessor_Data
(Default_Config : in out File_Config;
File_Configs : in out File_Config_Maps.Map) return Preprocessor_Data
is
R : constant Preprocessor_Data_Access :=
new Preprocessor_Data_Record'
(Ref_Count => 1,
Default_Config => <>,
File_Configs => <>,
Context => Create_Dummy_Context);
begin
Move (R.Default_Config, Default_Config);
R.File_Configs.Move (File_Configs);
return (Ada.Finalization.Controlled with Data => R);
end Create_Preprocessor_Data;
-------------
-- Iterate --
-------------
procedure Iterate
(Default_Config : in out File_Config;
File_Configs : in out File_Config_Maps.Map;
Process : access procedure (Config : in out File_Config))
is
begin
Process.all (Default_Config);
for Config of File_Configs loop
Process.all (Config);
end loop;
end Iterate;
--------------------
-- Default_Config --
--------------------
function Default_Config (Data : Preprocessor_Data) return File_Config is
begin
return Data.Data.Default_Config;
end Default_Config;
------------------
-- File_Configs --
------------------
function File_Configs
(Data : Preprocessor_Data) return File_Config_Maps.Map is
begin
return Data.Data.File_Configs;
end File_Configs;
-------------------------
-- Needs_Preprocessing --
-------------------------
function Needs_Preprocessing
(Data : Preprocessor_Data;
Filename : String) return Boolean is
begin
return Lookup_Config (Data, Filename).Enabled;
end Needs_Preprocessing;
----------
-- Free --
----------
procedure Free (Self : in out Preprocessed_Source) is
begin
Free (Self.Buffer);
Self.Last := 0;
end Free;
----------------
-- Preprocess --
----------------
procedure Preprocess
(Config : File_Config;
Input : String;
Contents : out Preprocessed_Source;
Diagnostics : in out Diagnostics_Vectors.Vector) is
begin
Preprocess (Config, Create_Dummy_Context, Input, Contents, Diagnostics);
end Preprocess;
----------------
-- Preprocess --
----------------
procedure Preprocess
(Data : Preprocessor_Data;
Filename, Input : String;
Contents : out Preprocessed_Source;
Diagnostics : in out Diagnostics_Vectors.Vector) is
begin
Preprocess (Lookup_Config (Data, Filename).all,
Data.Data.Context,
Input,
Contents,
Diagnostics);
end Preprocess;
-------------------------
-- Create_Preprocessor --
-------------------------
function Create_Preprocessor
(Default_Config : in out File_Config;
File_Configs : in out File_Config_Maps.Map)
return File_Reader_Reference is
begin
return Create_File_Reader_Reference
(Pp_File_Reader'
(File_Reader_Interface with
Data => Create_Preprocessor_Data (Default_Config, File_Configs)));
end Create_Preprocessor;
-----------------------------------
-- Create_Preprocessor_From_File --
-----------------------------------
function Create_Preprocessor_From_File
(Filename : String; Path : Any_Path) return File_Reader_Reference is
begin
return Create_File_Reader_Reference
(Pp_File_Reader'
(File_Reader_Interface with
Data => Parse_Preprocessor_Data_File (Filename, Path)));
end Create_Preprocessor_From_File;
-----------------------------------
-- Create_Preprocessor_From_File --
-----------------------------------
function Create_Preprocessor_From_File
(Filename : String;
Path : Any_Path;
Line_Mode : Any_Line_Mode) return File_Reader_Reference
is
Default_Config : File_Config;
File_Configs : File_Config_Maps.Map;
procedure Process (Config : in out File_Config);
-- If ``Config`` is enabled, force its line mode to ``Line_Mode``
-------------
-- Process --
-------------
procedure Process (Config : in out File_Config) is
begin
if Config.Enabled then
Config.Line_Mode := Line_Mode;
end if;
end Process;
begin
Parse_Preprocessor_Data_File
(Filename, Path, Default_Config, File_Configs);
Iterate (Default_Config, File_Configs, Process'Access);
return Create_Preprocessor (Default_Config, File_Configs);
end Create_Preprocessor_From_File;
----------
-- Dump --
----------
procedure Dump (Definitions : Definition_Maps.Map; Prefix : String := "") is
-- For output stability, write symbol definitions with symbol name order
use Definition_Maps;
type Cur_Array is array (Positive range <>) of Cursor;
function "<" (Left, Right : Cursor) return Boolean
is (US."<" (Key (Left), Key (Right)));
procedure Sort is new Ada.Containers.Generic_Array_Sort
(Positive, Cursor, Cur_Array);
Defs : Cur_Array (1 .. Natural (Definitions.Length));
Cur : Cursor := Definitions.First;
V : Value_Type;
begin
for D of Defs loop
D := Cur;
Cur := Next (Cur);
end loop;
Sort (Defs);
for D of Defs loop
Put (Prefix & US.To_String (Key (D)) & " -> ");
V := Element (D);
case V.Kind is
when Empty =>
Put_Line ("<null>");
when String_Literal =>
Put_Line ("String(" & US.To_String (V.String_Value) & ")");
when Symbol =>
Put_Line ("Symbol(" & US.To_String (V.Symbol_Value) & ")");
end case;
end loop;
if Defs'Length = 0 then
Put_Line (Prefix & "<none>");
end if;
end Dump;
----------
-- Dump --
----------
procedure Dump (Config : File_Config; Prefix : String := "") is
begin
if not Config.Enabled then
Put_Line (Prefix & " <disabled>");
return;
end if;
case Config.Line_Mode is
when Delete_Lines =>
null;
when Blank_Lines =>
Put_Line (Prefix & " -b");
when Comment_Lines =>
Put_Line (Prefix & " -c");
end case;
if Config.Print_Symbols then
Put_Line (Prefix & " -s");
end if;
if Config.Undefined_Is_False then
Put_Line (Prefix & " -u");
end if;
Dump (Config.Definitions, Prefix & " ");
end Dump;
----------
-- Dump --
----------
procedure Dump (Data : Preprocessor_Data; Prefix : String := "") is
-- For output stability, write file configurations with file name order
use File_Config_Maps;
type Cur_Array is array (Positive range <>) of Cursor;
function "<" (Left, Right : Cursor) return Boolean
is (US."<" (Key (Left), Key (Right)));
procedure Sort is new Ada.Containers.Generic_Array_Sort
(Positive, Cursor, Cur_Array);
Cfgs : File_Config_Maps.Map renames Data.Data.File_Configs;
Files : Cur_Array (1 .. Natural (Cfgs.Length));
Cur : Cursor := Cfgs.First;
First : Boolean := True;
begin
for F of Files loop
F := Cur;
Next (Cur);
end loop;
Sort (Files);
Put_Line (Prefix & "# default");
Dump (Data.Data.Default_Config, Prefix);
Put_Line (Prefix);
for Cur of Files loop
if First then
First := False;
else
Put_Line (Prefix);
end if;
Put_Line (Prefix & "# """ & US.To_String (Key (Cur)) & """");
Dump (Element (Cur), Prefix);
end loop;
end Dump;
------------
-- Adjust --
------------
overriding procedure Adjust (Self : in out Preprocessor_Data) is
begin
if Self.Data /= null then
Self.Data.Ref_Count := Self.Data.Ref_Count + 1;
end if;
end Adjust;
--------------
-- Finalize --
--------------
overriding procedure Finalize (Self : in out Preprocessor_Data) is
begin
if Self.Data /= null then
Self.Data.Ref_Count := Self.Data.Ref_Count - 1;
if Self.Data.Ref_Count = 0 then
Free (Self.Data);
end if;
end if;
end Finalize;
end Libadalang.Preprocessing;
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