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153 Commits

Author SHA1 Message Date
Neil Brown
ebef4aaedf Fixed array constructors by adding an occam pass to figure out their type early on, and also corrected the ordering of the later passes 2008-03-21 18:23:42 +00:00
Neil Brown
8db5975671 Refactored checkExpressionTypes a little 2008-03-21 16:35:57 +00:00
Neil Brown
33b04e7646 Tidied up a few unused functions and module imports 2008-03-21 15:16:36 +00:00
Neil Brown
0dc458ff03 Fixed transformEachRange to change the abbreviation mode of the loop counter 2008-03-21 15:09:00 +00:00
Neil Brown
dfea2c11a5 Added a dummy Rain pass to supply the new retypesChecked property 2008-03-21 15:07:56 +00:00
Neil Brown
edf1060c9b Fixed conflicts in the Rain passes 2008-03-21 12:45:24 +00:00
Neil Brown
50ce3410b8 Added the pass for giving lists a type to the pass list 2008-03-20 16:54:40 +00:00
Neil Brown
af4a66e2e4 Corrected the spelling of the name of one of the Rain passes 2008-03-20 16:46:45 +00:00
Neil Brown
d4991461a5 Fixed the type of a list for the empty list 2008-03-20 16:44:36 +00:00
Neil Brown
0e3465afc0 Corrected some Rain tests to avoid using the Int type 2008-03-20 16:42:25 +00:00
Neil Brown
cd58986721 Added a first implementation of the annotateListLiteralTypes pass 2008-03-20 16:35:09 +00:00
Neil Brown
185f68e96d Adjusted the tests for the annotateListLiteralTypes pass 2008-03-20 16:34:44 +00:00
Neil Brown
bd26f758b4 Added tests for annotating the types of list literals and ranges in Rain 2008-03-20 14:44:19 +00:00
Neil Brown
8f51ead090 Rewrote transformRangeRep, stopping it requiring constants in ranges 2008-03-20 12:40:07 +00:00
Neil Brown
b20a7fcb0b Fixed some tests in ParseRainTest 2008-03-20 12:39:42 +00:00
Neil Brown
1f6311d33e Fixed a lot of tests in RainPassesTest 2008-03-20 12:38:59 +00:00
Neil Brown
ad7a76dace Altered transformEachRange to make it more straight-forward 2008-03-20 09:36:26 +00:00
Neil Brown
b496912c51 Fixed conflicts with Adam's dimension changes 2008-03-19 17:49:32 +00:00
Neil Brown
05866457e4 Fixed the type of a range to at least be a list 2008-03-19 17:34:12 +00:00
Neil Brown
43b77ff1a0 Made names for loop variables unique in Rain, and made their abbreviation mode Abbrev 2008-03-19 17:19:58 +00:00
Neil Brown
6b04b6d944 Added a pass to pull up expressions in for-each loops into a variable 2008-03-19 17:18:56 +00:00
Neil Brown
45c2619307 Changed the rain parser to use ListLiteral for strings 2008-03-19 15:59:23 +00:00
Neil Brown
db0467f1ca Adjusted the rain passes to use the new array constructor type, and weaned a few of them off everywhereM 2008-03-19 13:24:15 +00:00
Neil Brown
a930e17f89 Adjusted the parsers to store a type with array constructors (Rain will infer it later, so it uses Any) 2008-03-19 13:22:35 +00:00
Neil Brown
95fd6321d1 Added support for parsing list types in Rain 2008-03-18 11:53:57 +00:00
Neil Brown
806a5b9834 Added the tests for parsing list types in Rain 2008-03-18 11:52:59 +00:00
Adam Sampson
746e360a4a Rename everywhereASTM to applyDepthM, and add a two-type version. 
The renaming is because I can never remember which of everywhere and
everywhere' goes depth-first...
 2008-03-20 11:40:19 +00:00
Adam Sampson
e08aac59d3 Move Retypes checking from the occam parser into a pass. 
This also fixes a bug in the original algorithm: it used to let you retype
[]INT to BYTE.
 2008-03-19 19:38:56 +00:00
Adam Sampson
b8caf7c3b6 Move everywhereASTM into Pass. 2008-03-19 18:11:49 +00:00
Adam Sampson
79eefd5e98 Move constant checking from the occam parser into a pass. 
The parser now doesn't do any constant folding or checking.
 2008-03-19 12:47:29 +00:00
Adam Sampson
b1416bb0cf Change A.Dimension to take an Expression, not an Int. 
This touches an awful lot of code, but cgtest07/17 (arrays and retyping) pass.

This is useful because there are going to be places in the future where we'll
want to represent dimensions that are known at runtime but not at compile time
-- for example, mobile allocations, or dynamically-sized arrays. It simplifies
the code in a number of places.

However, we do now need to be careful that expressions containing variables do
not leak into the State, since they won't be affected by later passes.

Two caveats (marked as FIXMEs in the source):

- Retypes checking in the occam parser is disabled, since the plan is to move
  it out to a pass anyway.
- There's some (now very obvious) duplication, particularly in the backend, of
  bits of code that construct expressions for the total size of an array
  (either in bytes or elements); this should be moved to a couple of helper
  functions that everything can use.
 2008-03-18 16:45:38 +00:00
Adam Sampson
06ff5ccda6 Implement short-form PLACE, and fix PLACE IN WORKSPACE/VECSPACE. 2008-03-17 18:47:54 +00:00
Adam Sampson
17a1c0eef6 Clean up INITIAL a bit and add a test case. 
There's no need for INITIALs to be early-constant-folded, since -- unlike VALs
-- they can't be used in later constant folding.
 2008-03-17 18:43:07 +00:00
Adam Sampson
1fb6adb005 Fix array constructors in occam. 
This works at least for simple examples, although it's probably a bit
restrictive on the array indexes you're allowed; it should attempt to
constant-fold them.
 2008-03-17 18:34:23 +00:00
Adam Sampson
69ce2dce15 Resolve conflicts after merge. 2008-03-17 15:57:04 +00:00
Neil Brown
6f35e1e36c Added support for array constructors to the occam parser 2008-03-10 22:58:36 +00:00
Neil Brown
b83bcc0f34 Added INITIAL variable abbreviations (as specifications) to the occam parser 2008-03-10 22:55:57 +00:00
Neil Brown
239dea3f36 Made the OF in CHAN OF optional in the occam parser 2008-03-10 22:43:18 +00:00
Adam Sampson
3005dfb506 Add a pass for folding constants in occam. 
The existing constant-folding code in the parser is still there, since it needs
to know whether things are constant, and A.Dimension expects an Int.

However, this pass is useful because it does a better job of constant folding
than the parser would on its own: it can fold subexpressions of expressions
that are as a whole not constant.
 2008-03-17 15:48:43 +00:00
Adam Sampson
89040a97b0 Move the dummy occam pass into an OccamPasses module. 
(The plan is to gradually replace it with real passes.)
 2008-03-15 14:40:17 +00:00
Adam Sampson
79a5799b8f Some minor cleanups to ParseOccam. 2008-03-15 14:10:51 +00:00
Neil Brown
c778ff0031 Fixed some unused module import warnings, now that PassM is not build of monad transformers 2008-03-10 17:19:45 +00:00
Neil Brown
9f18b348e8 Corrected all the tests to use the new PassM monad 2008-03-10 17:07:48 +00:00
Neil Brown
6abda39ee2 Fixed a couple of uses of the PassM monad that depended on the old mechanism 2008-03-10 15:19:28 +00:00
Neil Brown
3d1aae72fc Fixed a couple of tests for a Rain pass 2008-03-09 18:43:22 +00:00
Neil Brown
5c43172e46 Added an annotation to array subscripts to indicate whether they should have a run-time check added or not 2008-03-09 14:30:19 +00:00
Neil Brown
ba75f5b06c Removed the initialiser expression on the Declaration item in the AST 2008-03-09 00:23:13 +00:00
Neil Brown
d02b771572 Tidied up the type of handleDirective to make it easier to use 2008-03-05 16:05:21 +00:00
Adam Sampson
d2c0fd674e Rework the code for getting errors through the parser. 
This used to work by adding a magic prefix to the error message, but it appears
that doesn't work with the GHC 6.6 version of Parsec. It now searches for a
magic substring anywhere in the error message.

It uses // as a delimeter rather than \0 now, since including nulls in Strings
causes problems -- for example, putStr "a\0b" will only print "a".
 2008-03-04 12:52:25 +00:00
Adam Sampson
7ec6566495 Return sensible Meta from ParseOccam failures. 
This means we get the nice annotated source display on a parser failure --
although we still get not-very-useful descriptions of errors sometimes...
 2008-03-04 11:59:13 +00:00