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Author SHA1 Message Date
Gareth Rees
3e925460ba Improve maintainability of complex loops. 
1. Avoid looping over two expressions in parallel when one makes more
   sense (compilers can do strength reduction optimization: we don't
   need to do it ourselves).

2. Introduce macro ITER_PARALLEL for iterating over two expressions in
   parallel, to clarify the intention and explain the need for the
   cast to void in the implementation.

3. Add macros SAC_LARGE_ITER and SAC_SMALL_ITER to reduce the amount
   of code duplication in sac.c.
 2021-01-16 17:06:07 +00:00
Gareth Rees
d17c6263b3 Ensure that the mps builds with "clang -werror -wcomma -std=c89". 
The -Wcomma option appears to be turned on automatically by Xcode
12.3, so it's a good idea for the MPS to build with the option, to
avoid unpleasant surprises when people update their Xcode.

The simplest way to suppress the warning is to cast the left hand side
of the comma operator to void.
 2021-01-16 17:06:06 +00:00
Gareth Rees
f47c389a52 Fix indentation of second clause of license. 2020-08-30 10:13:06 +01:00
Gareth Rees
af0f431eda Use https: instead of http: when linking to the ravenbrook web site. 2020-08-30 10:13:03 +01:00
Peter Jackson
4de2606846 Publish licence updates in code directory. 
Publish minor changes to readme and configure files in main directory.
Main directory and code directory licence texts are now fully updated.

Copied from Perforce
 Change: 196994
 2020-06-11 17:05:40 +01:00
Gareth Rees
4eda4e85c7 Use tags with dots; regularize design references from code. 
Copied from Perforce
 Change: 195761
 2018-11-29 17:12:29 +00:00
Gareth Rees
0bf8ab8610 Make use of mrgrefpartref in mrgmessagefinalizationref. 
Copied from Perforce
 Change: 194979
 2018-08-14 09:25:43 +01:00
Gareth Rees
ba03d79694 Catch-up merge from master sources at changelevel 194449 to branch/2018-06-18/mrgseg. 
Copied from Perforce
 Change: 194452
 2018-07-05 16:22:24 +01:00
Gareth Rees
9d244d3e14 Refactor arenapeekseg so that it maintains the mps invariants by scanning the segment if necessary. arenaread is now a thin wrapper around arenapeekseg. new function arenawrite is now the corresponding wrapper around arenapokeseg. 
MRG reference segments inherit from GCSeg (not MutatorSeg) and so don't have hardware barriers. Instead, the code implements software barriers by always using ArenaRead and ArenaWrite.

Copied from Perforce
 Change: 193990
 2018-06-19 16:25:52 +01:00
Gareth Rees
fd1d022908 Segment class gcseg no longer implements hardware barriers; these are implemented by new subclass mutatorseg, which is now used everywhere that gcseg was used formerly. the idea is that in a future change mrgrefseg will inherit from gcseg instead of mutatorseg. 
Copied from Perforce
 Change: 193981
 2018-06-19 14:45:42 +01:00
Gareth Rees
17c1449096 Check that segment classes override sets of related methods. 
Add missing finish functions amcSegFinish, mrgLinkSegFinish, mrgRefSegFinish, sncSegFinish.
Check all class constructor results.

Copied from Perforce
 Change: 193055
 ServerID: perforce.ravenbrook.com
 2017-03-30 11:37:41 +01:00
Gareth Rees
00a4ade456 Move scan method from pool class to segment class. 
Copied from Perforce
 Change: 193012
 ServerID: perforce.ravenbrook.com
 2017-03-29 19:17:17 +01:00
Gareth Rees
47a1715c2d Move greyen method from pool class to segment class. 
Copied from Perforce
 Change: 192997
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:58:32 +01:00
Gareth Rees
1dc5ac742a Move the blacken method from the pool class to the segment class. 
Copied from Perforce
 Change: 192994
 ServerID: perforce.ravenbrook.com
 2017-03-29 15:32:17 +01:00
Gareth Rees
7f18fa9802 Use nextmethod to call the superclass init method, instead of calling poolabsinit directly. regularize the error handling. 
Copied from Perforce
 Change: 192631
 ServerID: perforce.ravenbrook.com
 2016-10-19 11:34:04 +01:00
Richard Brooksby
2065bf5351 Renaming class fields called "protocol" to "instclassstruct" in line with usual mps convention. 
Copied from Perforce
 Change: 191685
 ServerID: perforce.ravenbrook.com
 2016-04-27 14:25:54 +01:00
Richard Brooksby
9a2f29e3b2 Converting pool finish methods to specialize instfinish, and fixing up quite a few calls to use nextmethod. 
Copied from Perforce
 Change: 191605
 ServerID: perforce.ravenbrook.com
 2016-04-23 15:37:12 +01:00
Richard Brooksby
1f8eb75895 Converting pool describe methods to specialise instdescribe. 
Copied from Perforce
 Change: 191604
 ServerID: perforce.ravenbrook.com
 2016-04-23 15:37:12 +01:00
Richard Brooksby
a8e91f0ac8 Turning pool describe methods the right way in, so that they call next-method. 
Copied from Perforce
 Change: 191587
 ServerID: perforce.ravenbrook.com
 2016-04-23 00:22:46 +01:00
Richard Brooksby
1723b05f5b Eliminating seg2linkseg, linkseg2seg, seg2refseg, refseg2seg, poolmrg, and mrgpool in favour of mustbea. 
Copied from Perforce
 Change: 191311
 ServerID: perforce.ravenbrook.com
 2016-04-19 23:29:46 +01:00
Richard Brooksby
32250731d7 Avoid using "class" as an identifier, since tools like lldb parse expressions as c++, and it can't be named. 
Copied from Perforce
 Change: 191304
 ServerID: perforce.ravenbrook.com
 2016-04-19 23:00:02 +01:00
Richard Brooksby
c708f93154 Eliminating classdef.h by defining the class level when declaring a class. 
Copied from Perforce
 Change: 191235
 ServerID: perforce.ravenbrook.com
 2016-04-19 14:59:30 +01:00
Richard Brooksby
b9a917033c Moving setclassofpoly to after initialization, to be more like signature setting. 
Copied from Perforce
 Change: 190994
 ServerID: perforce.ravenbrook.com
 2016-04-12 13:40:13 +01:00
Richard Brooksby
fd1ff6f863 Clearing up various fixmes by making the type naming inconsistency clearly visible and intentional. 
Copied from Perforce
 Change: 190980
 ServerID: perforce.ravenbrook.com
 2016-04-12 10:51:41 +01:00
Richard Brooksby
a724e16626 Removing various fixed fixmes. 
Copied from Perforce
 Change: 190957
 ServerID: perforce.ravenbrook.com
 2016-04-11 18:58:36 +01:00
Richard Brooksby
12d4dfda16 Eliminating generated classof* and setclassof* functions in favour of checked poly macros. 
Copied from Perforce
 Change: 190938
 ServerID: perforce.ravenbrook.com
 2016-04-11 18:06:47 +01:00
Richard Brooksby
5307650059 Implementing nextmethod and replacing all uses of superclass with it. 
Copied from Perforce
 Change: 190935
 ServerID: perforce.ravenbrook.com
 2016-04-11 16:54:39 +01:00
Richard Brooksby
a38d6e7178 Making all static next-method calls look similar. 
Copied from Perforce
 Change: 190934
 ServerID: perforce.ravenbrook.com
 2016-04-11 16:35:43 +01:00
Richard Brooksby
d5f2a9f2d7 Turning segment init methods the right way in, so that they each call the next method up the class hierarchy. 
Copied from Perforce
 Change: 190882
 ServerID: perforce.ravenbrook.com
 2016-04-10 23:23:49 +01:00
Richard Brooksby
3dd201bf47 Turning pool init methods the right way in, so that they each call the next method up the class hierarchy. 
Copied from Perforce
 Change: 190858
 ServerID: perforce.ravenbrook.com
 2016-04-10 17:49:08 +01:00
Richard Brooksby
d462d4b36d Repairing superclass by taking a kind, which can later be checked. 
Copied from Perforce
 Change: 190850
 ServerID: perforce.ravenbrook.com
 2016-04-10 12:28:51 +01:00
Richard Brooksby
a56de59509 Generating type-safe functions for getting and setting the class of instances. 
Fixing warning revealed by GCC that I wasn't actually checking classes after init.
Fixing abstract classes so that they pass their own checks!

Copied from Perforce
 Change: 190837
 ServerID: perforce.ravenbrook.com
 2016-04-08 19:50:12 +01:00
Richard Brooksby
5a0c818945 Explicitly making inststruct the prefix of instances, eliminating pointer punning of class pointers, and reducing likelihood of editing errors. 
Copied from Perforce
 Change: 190830
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:21 +01:00
Richard Brooksby
43b3f1a5cb Generating a static superclass mapping and eliminating other superclass macros. 
Copied from Perforce
 Change: 190827
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:20 +01:00
Richard Brooksby
1d28eaff07 Eliminating the concept of "alias classes" in favour of "kinds". 
Copied from Perforce
 Change: 190825
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:20 +01:00
Richard Brooksby
2e191a810e Referring to classes by their base identifiers. 
Copied from Perforce
 Change: 190823
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:20 +01:00
Richard Brooksby
32de0701e0 Removing always-zero offset from pool class structure. 
Copied from Perforce
 Change: 190819
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:20 +01:00
Richard Brooksby
e041841a88 Moving common fields into the base class, starting with the class name. 
Copied from Perforce
 Change: 190816
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:19 +01:00
Richard Brooksby
c1abe0e9fd Abstracting class declarations and references to classes. 
Copied from Perforce
 Change: 190812
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:19 +01:00
Richard Brooksby
2743081e86 Getting rid of "old style" class ensure functions. 
Copied from Perforce
 Change: 190811
 ServerID: perforce.ravenbrook.com
 2016-04-08 17:51:19 +01:00
Richard Brooksby
7d0cc19ca3 Tearing down shield correctly. 
Copied from Perforce
 Change: 190225
 ServerID: perforce.ravenbrook.com
 2016-03-20 01:01:54 +00:00
Richard Brooksby
f3bde6fd39 Promoting shield to first class structure. 
Copied from Perforce
 Change: 190219
 ServerID: perforce.ravenbrook.com
 2016-03-20 00:32:43 +00:00
Richard Brooksby
44f80af1ec Merging branch mps/branch/2016-03-13/without-reservation into master sources. 
Copied from Perforce
 Change: 190106
 ServerID: perforce.ravenbrook.com
 2016-03-15 13:19:27 +00:00
Richard Brooksby
1025b28674 Eliminating withreservoirpermit and all its variants. 
Copied from Perforce
 Change: 190005
 ServerID: perforce.ravenbrook.com
 2016-03-13 21:04:01 +00:00
Richard Brooksby
cc6262ae66 Basic removal of the reservoir pool from code and design. 
Copied from Perforce
 Change: 190000
 ServerID: perforce.ravenbrook.com
 2016-03-13 20:32:24 +00:00
Richard Brooksby
078ac268d5 Catch-up merge from branch/2015-08-06/config to remove arenaconfigure. 
Copied from Perforce
 Change: 189335
 ServerID: perforce.ravenbrook.com
 2016-02-25 22:59:06 +00:00
Richard Brooksby
30240791c2 Adding reference to job for improving definalization. see <https://info.ravenbrook.com/mail/2016/01/19/17-09-22/0/>. 
Copied from Perforce
 Change: 188929
 ServerID: perforce.ravenbrook.com
 2016-01-20 11:44:28 +00:00
Gareth Rees
7c83105da9 Accumulate scannedsize in mrg pool. 
Copied from Perforce
 Change: 188209
 ServerID: perforce.ravenbrook.com
 2015-09-03 11:54:55 +01:00
Gareth Rees
2d0f425428 Ensure that code of the form if (condition) statement; is split over two lines, so that it is possible to set a breakpoint on the statement in a debugger. 
This change was agreed in 1997 (see <https://info.ravenbrook.com/project/mps/mail/1997/08/19/13-44/0.txt>), so it's about time it was implemented.

Copied from Perforce
 Change: 187071
 ServerID: perforce.ravenbrook.com
 2014-09-27 22:57:02 +01:00
Gareth Rees
10afd0ee3b Cast all arguments to the writef function to make it easy to check that none of the necessary casts have been omitted. 
New macro WriteFYesNo makes it easy to describe a Boolean.
Describe more structure elements for ABQ, Arena, Buffer, Format, MFS, Root, Seg.

Copied from Perforce
 Change: 187063
 ServerID: perforce.ravenbrook.com
 2014-09-27 12:49:30 +01:00