[multiple changes]
2014-07-16 Vincent Celier <celier@adacore.com> * make.adb: Do not read gnat.adc when gnatmake is invoked with -gnatA. 2014-07-16 Pascal Obry <obry@adacore.com> * gnat_rm.texi, impunit.adb, g-rewdat.adb, g-rewdat.ads: Initial implementation of GNAT.Rewrite_Data. From-SVN: r212659
This commit is contained in:
parent
c624a26b6a
commit
36f6df662c
@ -1,3 +1,13 @@
|
||||
2014-07-16 Vincent Celier <celier@adacore.com>
|
||||
|
||||
* make.adb: Do not read gnat.adc when gnatmake is invoked
|
||||
with -gnatA.
|
||||
|
||||
2014-07-16 Pascal Obry <obry@adacore.com>
|
||||
|
||||
* gnat_rm.texi, impunit.adb, g-rewdat.adb, g-rewdat.ads: Initial
|
||||
implementation of GNAT.Rewrite_Data.
|
||||
|
||||
2014-07-16 Vincent Celier <celier@adacore.com>
|
||||
|
||||
* gnatls.adb (Normalize): New function.
|
||||
|
253
gcc/ada/g-rewdat.adb
Normal file
253
gcc/ada/g-rewdat.adb
Normal file
@ -0,0 +1,253 @@
|
||||
-----------------------------------------------------------------------------
|
||||
-- GNAT COMPILER COMPONENTS --
|
||||
-- --
|
||||
-- G N A T . R E W R I T E _ D A T A --
|
||||
-- --
|
||||
-- B o d y --
|
||||
-- --
|
||||
-- Copyright (C) 2014, Free Software Foundation, Inc. --
|
||||
-- --
|
||||
-- GNAT is free software; you can redistribute it and/or modify it under --
|
||||
-- terms of the GNU General Public License as published by the Free Soft- --
|
||||
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
||||
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
||||
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
||||
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
||||
-- --
|
||||
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
||||
-- additional permissions described in the GCC Runtime Library Exception, --
|
||||
-- version 3.1, as published by the Free Software Foundation. --
|
||||
-- --
|
||||
-- You should have received a copy of the GNU General Public License and --
|
||||
-- a copy of the GCC Runtime Library Exception along with this program; --
|
||||
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
||||
-- <http://www.gnu.org/licenses/>. --
|
||||
-- --
|
||||
-- GNAT was originally developed by the GNAT team at New York University. --
|
||||
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
||||
-- --
|
||||
------------------------------------------------------------------------------
|
||||
|
||||
with Ada.Unchecked_Conversion;
|
||||
|
||||
package body GNAT.Rewrite_Data is
|
||||
|
||||
use Ada;
|
||||
|
||||
subtype SEO is Stream_Element_Offset;
|
||||
|
||||
procedure Do_Output
|
||||
(B : in out Buffer;
|
||||
Data : Stream_Element_Array;
|
||||
Output : not null access procedure (Data : Stream_Element_Array));
|
||||
-- Do the actual output, this ensures that we properly send the data
|
||||
-- through linked rewrite buffers if any.
|
||||
|
||||
------------
|
||||
-- Create --
|
||||
------------
|
||||
|
||||
function Create
|
||||
(Pattern, Value : String;
|
||||
Size : Stream_Element_Offset := 1_024) return Buffer
|
||||
is
|
||||
|
||||
subtype SP is String (1 .. Pattern'Length);
|
||||
subtype SEAP is Stream_Element_Array (1 .. Pattern'Length);
|
||||
|
||||
subtype SV is String (1 .. Value'Length);
|
||||
subtype SEAV is Stream_Element_Array (1 .. Value'Length);
|
||||
|
||||
function To_SEAP is new Unchecked_Conversion (SP, SEAP);
|
||||
function To_SEAV is new Unchecked_Conversion (SV, SEAV);
|
||||
|
||||
begin
|
||||
-- Return result (can't be smaller than pattern
|
||||
|
||||
return B : Buffer
|
||||
(SEO'Max (Size, SEO (Pattern'Length)),
|
||||
SEO (Pattern'Length),
|
||||
SEO (Value'Length))
|
||||
do
|
||||
B.Pattern := To_SEAP (Pattern);
|
||||
B.Value := To_SEAV (Value);
|
||||
B.Pos_C := 0;
|
||||
B.Pos_B := 0;
|
||||
end return;
|
||||
end Create;
|
||||
|
||||
---------------
|
||||
-- Do_Output --
|
||||
---------------
|
||||
|
||||
procedure Do_Output
|
||||
(B : in out Buffer;
|
||||
Data : Stream_Element_Array;
|
||||
Output : not null access procedure (Data : Stream_Element_Array))
|
||||
is
|
||||
begin
|
||||
if B.Next = null then
|
||||
Output (Data);
|
||||
else
|
||||
Write (B.Next.all, Data, Output);
|
||||
end if;
|
||||
end Do_Output;
|
||||
|
||||
-----------
|
||||
-- Flush --
|
||||
-----------
|
||||
|
||||
procedure Flush
|
||||
(B : in out Buffer;
|
||||
Output : not null access procedure (Data : Stream_Element_Array))
|
||||
is
|
||||
begin
|
||||
-- Flush output buffer
|
||||
|
||||
if B.Pos_B > 0 then
|
||||
Do_Output (B, B.Buffer (1 .. B.Pos_B), Output);
|
||||
end if;
|
||||
|
||||
-- Flush current buffer
|
||||
|
||||
if B.Pos_C > 0 then
|
||||
Do_Output (B, B.Current (1 .. B.Pos_C), Output);
|
||||
end if;
|
||||
|
||||
-- Flush linked buffer if any
|
||||
|
||||
if B.Next /= null then
|
||||
Flush (B.Next.all, Output);
|
||||
end if;
|
||||
|
||||
Reset (B);
|
||||
end Flush;
|
||||
|
||||
----------
|
||||
-- Link --
|
||||
----------
|
||||
|
||||
procedure Link (From : in out Buffer; To : Buffer_Ref) is
|
||||
begin
|
||||
From.Next := To;
|
||||
end Link;
|
||||
|
||||
-----------
|
||||
-- Reset --
|
||||
-----------
|
||||
|
||||
procedure Reset (B : in out Buffer) is
|
||||
begin
|
||||
B.Pos_B := 0;
|
||||
B.Pos_C := 0;
|
||||
|
||||
if B.Next /= null then
|
||||
Reset (B.Next.all);
|
||||
end if;
|
||||
end Reset;
|
||||
|
||||
-------------
|
||||
-- Rewrite --
|
||||
-------------
|
||||
|
||||
procedure Rewrite
|
||||
(B : in out Buffer;
|
||||
Input : not null access procedure
|
||||
(Buffer : out Stream_Element_Array;
|
||||
Last : out Stream_Element_Offset);
|
||||
Output : not null access procedure (Data : Stream_Element_Array))
|
||||
is
|
||||
Buffer : Stream_Element_Array (1 .. B.Size);
|
||||
Last : Stream_Element_Offset;
|
||||
|
||||
begin
|
||||
Rewrite_All : loop
|
||||
Input (Buffer, Last);
|
||||
exit Rewrite_All when Last = 0;
|
||||
Write (B, Buffer (1 .. Last), Output);
|
||||
end loop Rewrite_All;
|
||||
|
||||
Flush (B, Output);
|
||||
end Rewrite;
|
||||
|
||||
----------
|
||||
-- Size --
|
||||
----------
|
||||
|
||||
function Size (B : Buffer) return Natural is
|
||||
begin
|
||||
return Natural (B.Pos_B + B.Pos_C);
|
||||
end Size;
|
||||
|
||||
-----------
|
||||
-- Write --
|
||||
-----------
|
||||
|
||||
procedure Write
|
||||
(B : in out Buffer;
|
||||
Data : Stream_Element_Array;
|
||||
Output : not null access procedure (Data : Stream_Element_Array))
|
||||
is
|
||||
procedure Need_Space (Size : Stream_Element_Offset);
|
||||
pragma Inline (Need_Space);
|
||||
|
||||
----------------
|
||||
-- Need_Space --
|
||||
----------------
|
||||
|
||||
procedure Need_Space (Size : Stream_Element_Offset) is
|
||||
begin
|
||||
if B.Pos_B + Size > B.Size then
|
||||
Do_Output (B, B.Buffer (1 .. B.Pos_B), Output);
|
||||
B.Pos_B := 0;
|
||||
end if;
|
||||
end Need_Space;
|
||||
|
||||
-- Start of processing for Write
|
||||
|
||||
begin
|
||||
if B.Size_Pattern = 0 then
|
||||
Do_Output (B, Data, Output);
|
||||
|
||||
else
|
||||
for K in Data'Range loop
|
||||
if Data (K) = B.Pattern (B.Pos_C + 1) then
|
||||
|
||||
-- Store possible start of a match
|
||||
|
||||
B.Pos_C := B.Pos_C + 1;
|
||||
B.Current (B.Pos_C) := Data (K);
|
||||
|
||||
else
|
||||
-- Not part of pattern, if a start of a match was found,
|
||||
-- remove it.
|
||||
|
||||
if B.Pos_C /= 0 then
|
||||
Need_Space (B.Pos_C);
|
||||
|
||||
B.Buffer (B.Pos_B + 1 .. B.Pos_B + B.Pos_C) :=
|
||||
B.Current (1 .. B.Pos_C);
|
||||
B.Pos_B := B.Pos_B + B.Pos_C;
|
||||
B.Pos_C := 0;
|
||||
end if;
|
||||
|
||||
Need_Space (1);
|
||||
B.Pos_B := B.Pos_B + 1;
|
||||
B.Buffer (B.Pos_B) := Data (K);
|
||||
end if;
|
||||
|
||||
if B.Pos_C = B.Size_Pattern then
|
||||
|
||||
-- The pattern is found
|
||||
|
||||
Need_Space (B.Size_Value);
|
||||
|
||||
B.Buffer (B.Pos_B + 1 .. B.Pos_B + B.Size_Value) := B.Value;
|
||||
B.Pos_C := 0;
|
||||
B.Pos_B := B.Pos_B + B.Size_Value;
|
||||
end if;
|
||||
end loop;
|
||||
end if;
|
||||
end Write;
|
||||
|
||||
end GNAT.Rewrite_Data;
|
151
gcc/ada/g-rewdat.ads
Normal file
151
gcc/ada/g-rewdat.ads
Normal file
@ -0,0 +1,151 @@
|
||||
------------------------------------------------------------------------------
|
||||
-- GNAT COMPILER COMPONENTS --
|
||||
-- --
|
||||
-- G N A T . R E W R I T E _ D A T A --
|
||||
-- --
|
||||
-- S p e c --
|
||||
-- --
|
||||
-- Copyright (C) 2014, Free Software Foundation, Inc. --
|
||||
-- --
|
||||
-- GNAT is free software; you can redistribute it and/or modify it under --
|
||||
-- terms of the GNU General Public License as published by the Free Soft- --
|
||||
-- ware Foundation; either version 3, or (at your option) any later ver- --
|
||||
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
||||
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
||||
-- or FITNESS FOR A PARTICULAR PURPOSE. --
|
||||
-- --
|
||||
-- As a special exception under Section 7 of GPL version 3, you are granted --
|
||||
-- additional permissions described in the GCC Runtime Library Exception, --
|
||||
-- version 3.1, as published by the Free Software Foundation. --
|
||||
-- --
|
||||
-- You should have received a copy of the GNU General Public License and --
|
||||
-- a copy of the GCC Runtime Library Exception along with this program; --
|
||||
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
|
||||
-- <http://www.gnu.org/licenses/>. --
|
||||
-- --
|
||||
-- GNAT was originally developed by the GNAT team at New York University. --
|
||||
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
||||
-- --
|
||||
------------------------------------------------------------------------------
|
||||
|
||||
-- This package can be used to rewrite data on the fly. All occurences of a
|
||||
-- string (named pattern) will be replaced by another string.
|
||||
|
||||
-- It is not necessary to load all data in memory and so this package can be
|
||||
-- used for large data chunks like disk files for example. The pattern is
|
||||
-- a standard string and not a regular expression.
|
||||
|
||||
-- There is no dynamic allocation in the implementation.
|
||||
|
||||
-- Example, to replace all occurences of "Gnat" with "GNAT":
|
||||
|
||||
-- Rewriter : Buffer := Create (Pattern => "Gnat", Value => "GNAT");
|
||||
|
||||
-- The output procedure that will receive the rewritten data:
|
||||
|
||||
-- procedure Do (Data : Stream_Element_Array) is
|
||||
-- begin
|
||||
-- <implementation to handle Data>
|
||||
-- end Do;
|
||||
|
||||
-- Then:
|
||||
|
||||
-- Write (Rewriter, "Let's talk about Gnat compiler", Do'Access);
|
||||
-- Write (Rewriter, "Gnat is an Ada compiler", Do'Access);
|
||||
-- Flush (Rewriter, Do'Access);
|
||||
|
||||
-- Another possible usage is to specify a method to get the input data:
|
||||
|
||||
-- procedure Get
|
||||
-- (Buffer : out Stream_Element_Array;
|
||||
-- Last : out Stream_Element_Offset)
|
||||
-- is
|
||||
-- begin
|
||||
-- <get some data from a file, a socket, etc...>
|
||||
-- Last := ...
|
||||
-- Buffer := ...
|
||||
-- end Get;
|
||||
|
||||
-- Then we can rewrite the whole file with:
|
||||
|
||||
-- Rewrite (Rewriter, Input => Get'Access, Output => Do'Access);
|
||||
|
||||
with Ada.Streams; use Ada.Streams;
|
||||
|
||||
package GNAT.Rewrite_Data is
|
||||
|
||||
type Buffer (<>) is limited private;
|
||||
type Buffer_Ref is access all Buffer;
|
||||
|
||||
function Create
|
||||
(Pattern, Value : String;
|
||||
Size : Stream_Element_Offset := 1_024) return Buffer;
|
||||
-- Create a rewriter buffer. Pattern is the string to be rewriten as Value.
|
||||
-- Size represent the size of the internal buffer used to store the data
|
||||
-- reeady to be output. A larger buffer may improve the performance as the
|
||||
-- Output routine (see Write, Rewrite below) will be called only when this
|
||||
-- buffer is full. Note that Size cannot be lower than Pattern'Length, if
|
||||
-- this is the case then Size value is set to Pattern'Length.
|
||||
|
||||
function Size (B : Buffer) return Natural;
|
||||
-- Returns the current size of the buffer (count of Stream_Array_Element)
|
||||
|
||||
procedure Flush
|
||||
(B : in out Buffer;
|
||||
Output : not null access procedure (Data : Stream_Element_Array));
|
||||
-- Call Output for all remaining data in the buffer. The buffer is
|
||||
-- reset and ready for another use after this call.
|
||||
|
||||
procedure Reset (B : in out Buffer);
|
||||
pragma Inline (Reset);
|
||||
-- Clear all data in buffer, B is ready for another use. Note that this is
|
||||
-- not needed after a Flush. Note: all data remaining in Buffer is lost.
|
||||
|
||||
procedure Write
|
||||
(B : in out Buffer;
|
||||
Data : Stream_Element_Array;
|
||||
Output : not null access procedure (Data : Stream_Element_Array));
|
||||
-- Write Data into the buffer, call Output for any prepared data. Flush
|
||||
-- must be called when the last piece of Data as been sent in the Buffer.
|
||||
|
||||
procedure Rewrite
|
||||
(B : in out Buffer;
|
||||
Input : not null access procedure
|
||||
(Buffer : out Stream_Element_Array;
|
||||
Last : out Stream_Element_Offset);
|
||||
Output : not null access procedure (Data : Stream_Element_Array));
|
||||
-- Read data from Input, rewrite it and then call Output. When there is
|
||||
-- no more data to be read from Input Last must be set to 0. Before leaving
|
||||
-- this routine call Flush above to send all remaining data to Output.
|
||||
|
||||
procedure Link (From : in out Buffer; To : Buffer_Ref);
|
||||
-- Link two rewrite buffers, that is all data sent to From buffer will be
|
||||
-- rewritten and then passed to the To rewrite buffer.
|
||||
|
||||
private
|
||||
|
||||
type Buffer
|
||||
(Size, Size_Pattern, Size_Value : Stream_Element_Offset) is
|
||||
limited record
|
||||
Buffer : Stream_Element_Array (1 .. Size);
|
||||
-- Fully prepared/rewritten data waiting to be output
|
||||
|
||||
Current : Stream_Element_Array (1 .. Size_Pattern);
|
||||
-- Current data checked, this buffer contains every piece of data
|
||||
-- starting with the pattern. It means that at any point:
|
||||
-- Current (1 .. Pos_C) = Pattern (1 .. Pos_C).
|
||||
|
||||
Pattern : Stream_Element_Array (1 .. Size_Pattern);
|
||||
-- The pattern to look for
|
||||
|
||||
Value : Stream_Element_Array (1 .. Size_Value);
|
||||
-- The value the pattern is replaced by
|
||||
|
||||
Pos_C : Stream_Element_Offset; -- last valid element in Current
|
||||
Pos_B : Stream_Element_Offset; -- last valid element in Buffer
|
||||
|
||||
Next : Buffer_Ref;
|
||||
-- A link to another rewriter if any
|
||||
end record;
|
||||
|
||||
end GNAT.Rewrite_Data;
|
@ -594,6 +594,7 @@ The GNAT Library
|
||||
* GNAT.Regexp (g-regexp.ads)::
|
||||
* GNAT.Registry (g-regist.ads)::
|
||||
* GNAT.Regpat (g-regpat.ads)::
|
||||
* GNAT.Rewrite_Data (g-rewdat.ads)::
|
||||
* GNAT.Secondary_Stack_Info (g-sestin.ads)::
|
||||
* GNAT.Semaphores (g-semaph.ads)::
|
||||
* GNAT.Serial_Communications (g-sercom.ads)::
|
||||
@ -18464,6 +18465,7 @@ of GNAT, and will generate a warning message.
|
||||
* GNAT.Regexp (g-regexp.ads)::
|
||||
* GNAT.Registry (g-regist.ads)::
|
||||
* GNAT.Regpat (g-regpat.ads)::
|
||||
* GNAT.Rewrite_Data (g-rewdat.ads)::
|
||||
* GNAT.Secondary_Stack_Info (g-sestin.ads)::
|
||||
* GNAT.Semaphores (g-semaph.ads)::
|
||||
* GNAT.Serial_Communications (g-sercom.ads)::
|
||||
@ -19563,6 +19565,17 @@ A complete implementation of Unix-style regular expression matching, copied
|
||||
from the original V7 style regular expression library written in C by
|
||||
Henry Spencer (and binary compatible with this C library).
|
||||
|
||||
@node GNAT.Rewrite_Data (g-rewdat.ads)
|
||||
@section @code{GNAT.Rewrite_Data} (@file{g-rewdat.ads})
|
||||
@cindex @code{GNAT.Rewrite_Data} (@file{g-rewdat.ads})
|
||||
@cindex Rewrite data
|
||||
|
||||
@noindent
|
||||
A unit to rewrite on-the-fly string occurrences in a stream of
|
||||
data. The implementation has a very minimum memory footprint as the
|
||||
full content to be processed is not loaded into memory. This makes
|
||||
this implementation usable for large files or socket streams.
|
||||
|
||||
@node GNAT.Secondary_Stack_Info (g-sestin.ads)
|
||||
@section @code{GNAT.Secondary_Stack_Info} (@file{g-sestin.ads})
|
||||
@cindex @code{GNAT.Secondary_Stack_Info} (@file{g-sestin.ads})
|
||||
|
@ -291,6 +291,7 @@ package body Impunit is
|
||||
("g-regexp", F), -- GNAT.Regexp
|
||||
("g-regist", F), -- GNAT.Registry
|
||||
("g-regpat", F), -- GNAT.Regpat
|
||||
("g-rewdat", F), -- GNAT.Rewrite_Data
|
||||
("g-semaph", F), -- GNAT.Semaphores
|
||||
("g-sercom", F), -- GNAT.Serial_Communications
|
||||
("g-sestin", F), -- GNAT.Secondary_Stack_Info
|
||||
|
@ -6671,13 +6671,15 @@ package body Make is
|
||||
|
||||
Fname.UF.Initialize;
|
||||
|
||||
begin
|
||||
Fname.SF.Read_Source_File_Name_Pragmas;
|
||||
if Config_File then
|
||||
begin
|
||||
Fname.SF.Read_Source_File_Name_Pragmas;
|
||||
|
||||
exception
|
||||
when Err : SFN_Scan.Syntax_Error_In_GNAT_ADC =>
|
||||
Make_Failed (Exception_Message (Err));
|
||||
end;
|
||||
exception
|
||||
when Err : SFN_Scan.Syntax_Error_In_GNAT_ADC =>
|
||||
Make_Failed (Exception_Message (Err));
|
||||
end;
|
||||
end if;
|
||||
end if;
|
||||
|
||||
-- Make sure no project object directory is recorded
|
||||
@ -7907,6 +7909,12 @@ package body Make is
|
||||
Do_Link_Step := False;
|
||||
end if;
|
||||
|
||||
-- If -gnatA is specified, make sure that gnat.adc is never read
|
||||
|
||||
elsif Argv'Length >= 6 and then Argv (2 .. 6) = "gnatA" then
|
||||
Add_Switch (Argv, Compiler, And_Save => And_Save);
|
||||
Opt.Config_File := False;
|
||||
|
||||
elsif Argv (2 .. Argv'Last) = "nostdlib" then
|
||||
|
||||
-- Pass -nstdlib to gnatbind and gnatlink
|
||||
|
Loading…
Reference in New Issue
Block a user