[OpenBIOS] r108 - in fcode-utils: . romheaders
svn at openbios.org
svn at openbios.org
Mon Oct 30 17:30:03 CET 2006
Author: stepan
Date: 2006-10-30 17:29:59 +0100 (Mon, 30 Oct 2006)
New Revision: 108
Added:
fcode-utils/COPYING
fcode-utils/README
fcode-utils/TODO
fcode-utils/romheaders/COPYING
Log:
some more infrastructure
Added: fcode-utils/COPYING
===================================================================
--- fcode-utils/COPYING (rev 0)
+++ fcode-utils/COPYING 2006-10-30 16:29:59 UTC (rev 108)
@@ -0,0 +1,341 @@
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
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+
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+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
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+
+ Finally, any free program is threatened constantly by software
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+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+ 2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+ a) You must cause the modified files to carry prominent notices
+ stating that you changed the files and the date of any change.
+
+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
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+
+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
+ interactive use in the most ordinary way, to print or display an
+ announcement including an appropriate copyright notice and a
+ notice that there is no warranty (or else, saying that you provide
+ a warranty) and that users may redistribute the program under
+ these conditions, and telling the user how to view a copy of this
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+
+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
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+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works. But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+ 3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+ a) Accompany it with the complete corresponding machine-readable
+ source code, which must be distributed under the terms of Sections
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+
+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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+REPAIR OR CORRECTION.
+
+ 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) 19yy <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) 19yy name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
Added: fcode-utils/README
===================================================================
--- fcode-utils/README (rev 0)
+++ fcode-utils/README 2006-10-30 16:29:59 UTC (rev 108)
@@ -0,0 +1,16 @@
+This is the OpenBIOS FCODE suite.
+
+It consists of:
+
+- toke
+- detok
+- romheaders
+- localvalues
+
+NOTE: all parts of the OpenBIOS FCODE suite are GPL v2, except the localvalues
+implementation which is released under the Common Public License (CPL) version
+1.0 (see: http://www.opensource.org/licenses/cpl1.0.php)
+
+
+For information please contact info at coresystems.de
+
Added: fcode-utils/TODO
===================================================================
--- fcode-utils/TODO (rev 0)
+++ fcode-utils/TODO 2006-10-30 16:29:59 UTC (rev 108)
@@ -0,0 +1,298 @@
+fcode-utils/detok/decode.c
+ Line 46:
+ *
+ * Still to be done:
+ * Handling of indent-level is not correct. Branches should
+ * balance with their resolvers; constructs like do..loop
+ * case/of/endof/endcase are a few major examples.
+ * This will be tricky; the rules need to be carefully thought
+ * out, and the implementation might be more complex than
+ * at first meets the eye...
+ *
+
+ Line 280:
+ *
+ * Still to be done:
+ * More sophisticated error-checking for invalid offsets. Look
+ * at the type of branch, and what should be expected in the
+ * vicinity of the destination. (This might be best served
+ * by a separate routine).
+ * This might also help with handling the indent-level correctly...
+ * Also, if indentation were to be handled in this routine,
+ * there would be no need to return the value of the offset.
+ *
+
+
+fcode-utils/detok/pcihdr.c
+ Line 67:
+ *
+ * Still to be done:
+ * Print (as remarks) full descriptions of headers' fields
+ * Error check for wrong "Format"
+ * Skip past non-FCode blocks, thru multiple data-blocks
+ * Recognize PCI header in unexpected place or out-of-place
+ *
+
+ Line 130:
+ *
+ * Still to be done:
+ * Error-check; look for inconsistencies:
+ * Return a Negative Number if data-stream appears to be a PCI
+ * header, but has erroneous or inconsistent sub-field contents.
+ * Value and meaning of the Negative Number yet to be defined.
+ *
+
+ Line 188:
+ *
+ * Still to be done:
+ * Error-check; look for wrong "Code Type" or other inconsistencies:
+ * Return a Negative Number if data-stream appears to be a
+ * valid PCI Data Structure, but has erroneous or inconsistent
+ * sub-field contents.
+ * Value and meaning of the Negative Number yet to be defined.
+ * Skip past non-FCode data-blocks, even multiple blocks
+ *
+
+ Line 364:
+ *
+ * Still to be done:
+ * Handle error cases. At present, neither is_pci_header()
+ * nor is_pci_data_struct() returns a negative number,
+ * but when they are modified to do so, we must handle it.
+ *
+
+ Line 442:
+ *
+ * Still to be done:
+ * Come up with something more elegant for non-zero filler.
+ *
+
+
+fcode-utils/detok/printformats.c
+ Line 74:
+ *
+ * Still to be done:
+ * Define a routine, call it PrintComment , to print the given
+ * string surrounded by open-paren-space ... space-close-paren
+ * Define a single central routine, call it safe_malloc ,
+ * to do the test for null and print "No Memory" and exit.
+ * Define a single central routine, call it PrintError , to:
+ * Print the given error message
+ * Show the input file and line number
+ * Collect error-flags for failure-exit at end of operation.
+ *
+
+
+fcode-utils/toke/devnode.c
+ Line 67:
+ *
+ * Still to be done:
+ * Add a pair of fields to the data-structure for the Input File and
+ * Line Number where "finish-device" occurred. When a device-node
+ * is "finish"ed, do not delete it, but instead fill in those
+ * fields and the move the node to a separate linked-list.
+ * When looking whether a word exists in an ancestor-node, also
+ * check whether it was in a device-node that was finished and
+ * print both where it was started and where it was finished.
+ *
+
+
+fcode-utils/toke/emit.c
+ Line 34:
+ *
+ * Still to be done:
+ * Re-arrange routine and variable locations to clarify the
+ * functions of this file and its companion, stream.c
+ * This file should be concerned primarily with management
+ * of the Outputs; stream.c should be primarily concerned
+ * with management of the Inputs.
+ * Hard to justify, pragmatically, but will make for easier
+ * maintainability down the proverbial road...
+ *
+
+
+fcode-utils/toke/flowcontrol.c
+ Line 75:
+ *
+ * Still to be done:
+ * Correct analysis of Return-Stack usage around Flow-Control
+ * constructs, including within Do-Loops or before Loop
+ * Elements like I and J or UNLOOP or LEAVE.
+ * Similarly, Return-Stack usage around IF ... ELSE ... THEN
+ * statements needs analysis. For instance, the following:
+ *
+ * blablabla >R yadayada IF R> gubble ELSE flubble R> THEN
+ *
+ * is, in fact, correct, while something like:
+ *
+ * blablabla >R yadayada IF R> gubble THEN
+ *
+ * is an error.
+ *
+ * Implementing an analysis that would be sufficiently accurate
+ * to justify reporting an ERROR with certainty (rather than
+ * a mere WARNING speculatively) would probably require full
+ * coordination with management of Flow-Control constructs,
+ * and so is noted here.
+ *
+
+
+fcode-utils/toke/macros.c
+ Line 166:
+ *
+ * Still to be done:
+ * If an error is encountered during Macro evaluation, display
+ * supplemental information giving the name of the Macro
+ * being run, and the file and line number in which it was
+ * defined.
+ * This will require changes to the way user Macros are added
+ * and retained, and to the way error messages are displayed.
+ *
+
+
+fcode-utils/toke/nextfcode.c
+ Line 90:
+ *
+ * Still to be done:
+ * Detect and report when the Current Range stops overlapping
+ * one particular Range and starts overlapping another.
+ *
+
+
+fcode-utils/toke/scanner.c
+ Line 1046:
+ *
+ * Still to be done:
+ * Better protection against PC pointer-over-run past END.
+ * Currently, this works, but it's held together by threads:
+ * Because init_stream forces a null-byte at the end of
+ * the input buffer, parse_number() exits immediately upon
+ * encountering it. This situation could be covered more
+ * robustly...
+ *
+
+ Line 2192:
+ *
+ * Still to be done:
+ * Full detection of whether the Return-Stack has been cleared
+ * when required, including analysis of Return-Stack usage
+ * within Flow-Control constructs, and before Loop elements...
+ *
+
+ Line 2259:
+ *
+ * Still to be done:
+ * Correct analysis of Return-Stack usage around Flow-Control
+ * constructs. Consider, for instance, the following:
+ *
+ * blablabla >R yadayada IF R> gubble ELSE flubble R> THEN
+ *
+ * It is, in fact, correct, but the present scheme would
+ * tag it as a possible error. Conversely, something like:
+ *
+ * blablabla >R yadayada IF R> gubble THEN
+ *
+ * would not get tagged, even though it is actually an error.
+ *
+ * The current simple scheme also does not cover Return-Stack
+ * usage within Do-Loops or before Loop elements like I and
+ * J or UNLOOP or LEAVE. Implementing something like that
+ * would probably need to be integrated in with Flow-Control
+ * constructs, and will be noted in flowcontrol.c
+ *
+
+ Line 2323:
+ *
+ * Still to be done:
+ * Correct analysis of Return-Stack usage...
+ *
+
+ Line 3299:
+ *
+ * Still to be done:
+ * If the definer-name is not found, we might still look up
+ * the target name in the various vocabularies and use
+ * a phrase for those. E.g., if it is a valid token,
+ * we could say it's defined as a "primitive". (I'm
+ * not sure what we'd say about an FWord...)
+ *
+
+ Line 4617:
+ *
+ * Still to be done:
+ * Correct analysis of Return-Stack usage within Do-Loops
+ * or before Loop Elements like I and J or UNLOOP or LEAVE.
+ *
+
+
+fcode-utils/toke/stream.c
+ Line 60:
+ *
+ * Still to be done:
+ * Re-arrange routine and variable locations to clarify the
+ * functions of this file and its companion, emit.c
+ * This file should be concerned primarily with management
+ * of the Inputs; emit.c should be primarily concerned
+ * with management of the Outputs.
+ * Hard to justify, pragmatically, but will make for easier
+ * maintainability down the proverbial road...
+ *
+
+ Line 1070:
+ *
+ * Still to be done:
+ * Set a flag when carr-ret has been replaced by space;
+ * when a string crosses a line, if this flag is set,
+ * issue a warning that an extra space has been inserted.
+ *
+
+
+fcode-utils/toke/toke.c
+ Line 363:
+ *
+ * Still to be done:
+ * Devise a syntax to allow the command-line to specify multiple
+ * input files together with an output file name for each.
+ * Currently, the syntax allows only one output file name to be
+ * specified; when multiple input file names are specified,
+ * the specification of an output file name is disallowed,
+ * and only the default output file names are permitted.
+ * While this works around the immediate problem, a more
+ * elegant solution could be devised...
+ *
+
+
+fcode-utils/toke/usersymbols.c
+ Line 78:
+ *
+ * Still to be done:
+ * Convert the handling of user-defined symbols to the T.I.C.
+ * data-structure and its support routines. This should
+ * eliminate any further need of String-Substitution-type
+ * vocabularies. User-defined symbols will, however, still
+ * need to be a separate vocabulary from the Global, because
+ * they are required to stay in effect for the duration of
+ * the entire batch of tokenizations...
+ * (Afterthought: This is only true for user-defined symbols that
+ * were created on the command-line; if we ever allow symbols
+ * to be defined in the Source file, they should be as volatile
+ * as anything else that comes from a source file...
+ * Appending source-file-derived user-defined symbols to the Global
+ * Vocabulary could be a quasi-simple way to accomplish this.)
+ *
+
+ Line 246:
+ *
+ * Still to be done:
+ * Hook-in this routine to the processing of: ['] F['] H# FLOAD
+ * etc., and wherever else it might be needed or useful.
+ *
+
+ Line 316:
+ *
+ * Still to be done:
+ * Space the duplicate-name notation evenly; line it up past
+ * the longest name-with-value.
+ *
+
+
Added: fcode-utils/romheaders/COPYING
===================================================================
--- fcode-utils/romheaders/COPYING (rev 0)
+++ fcode-utils/romheaders/COPYING 2006-10-30 16:29:59 UTC (rev 108)
@@ -0,0 +1,341 @@
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.
+ 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Library General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+ To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+ For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have. You must make sure that they, too, receive or can get the
+source code. And you must show them these terms so they know their
+rights.
+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+ Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software. If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+ Finally, any free program is threatened constantly by software
+patents. We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary. To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+ The precise terms and conditions for copying, distribution and
+modification follow.
+
+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope. The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+ 1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+ 2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+ a) You must cause the modified files to carry prominent notices
+ stating that you changed the files and the date of any change.
+
+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
+ parties under the terms of this License.
+
+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
+ interactive use in the most ordinary way, to print or display an
+ announcement including an appropriate copyright notice and a
+ notice that there is no warranty (or else, saying that you provide
+ a warranty) and that users may redistribute the program under
+ these conditions, and telling the user how to view a copy of this
+ License. (Exception: if the Program itself is interactive but
+ does not normally print such an announcement, your work based on
+ the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works. But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+ 3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+ a) Accompany it with the complete corresponding machine-readable
+ source code, which must be distributed under the terms of Sections
+ 1 and 2 above on a medium customarily used for software interchange; or,
+
+ b) Accompany it with a written offer, valid for at least three
+ years, to give any third party, for a charge no more than your
+ cost of physically performing source distribution, a complete
+ machine-readable copy of the corresponding source code, to be
+ distributed under the terms of Sections 1 and 2 above on a medium
+ customarily used for software interchange; or,
+
+ c) Accompany it with the information you received as to the offer
+ to distribute corresponding source code. (This alternative is
+ allowed only for noncommercial distribution and only if you
+ received the program in object code or executable form with such
+ an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it. For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable. However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+ 4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License. Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+ 5. You are not required to accept this License, since you have not
+signed it. However, nothing else grants you permission to modify or
+distribute the Program or its derivative works. These actions are
+prohibited by law if you do not accept this License. Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+ 6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions. You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+ 7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all. For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices. Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+ 8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded. In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+ 9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time. Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation. If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+ 10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission. For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this. Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+ 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) 19yy <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) 19yy name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Library General
+Public License instead of this License.
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