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Author SHA1 Message Date
Neil Brown
11588b34a3 Fixed a bug where transformConstr would skip over the second of two nested definitions of array constructors 2008-05-20 23:44:32 +00:00
Neil Brown
48fbf5f3e1 Added pulling up of list literals and list-constructed expressions 2008-05-20 23:44:07 +00:00
Neil Brown
2300a5c3a7 Added a few extra cases in ShowCode, for some Rain things 2008-05-20 23:42:52 +00:00
Neil Brown
e5d8b51827 Added a missing line to substitute back inferred types for anonymous non-numeric types 2008-05-20 22:08:15 +00:00
Neil Brown
8c78d056b6 Improved display of unknown types (for debugging, really) 2008-05-20 22:07:35 +00:00
Neil Brown
926659cf70 Fixed the Rain lists testcase to adhere to the new type unification scheme 2008-05-20 21:56:25 +00:00
Neil Brown
af63afa5e9 Added type inference for list literals and list constructors 2008-05-20 21:56:07 +00:00
Neil Brown
2b3783d845 Fixed the handling of types for function returns 
Function returns are done in Rain by assigning to the function name, so we need a bit of extra code when checking assignments to see if the LHS is a function name.
 2008-05-20 18:11:05 +00:00
Neil Brown
7f387ae6a9 Fixed a conflict in configure.ac, adding the GLIB_ flags to the C flags 2008-05-18 11:39:51 +00:00
Neil Brown
bd7584e280 Turned off the checkFunction pass for now, since it is over-eager at spotting problems with Rain functions 2008-03-25 18:46:51 +00:00
Neil Brown
f9d55d2c65 Expanded the Rain lists testcase 2008-03-25 18:45:19 +00:00
Neil Brown
20a142839f Added the beginnings of list support for CCSP (using glib) 2008-03-25 18:44:49 +00:00
Neil Brown
963b677142 Added support for detecting glib for the C backend 2008-03-25 18:43:48 +00:00
Neil Brown
f0a90a3024 Removed "run" from the Rain syntax, and adopted the occam approach instead 2008-03-25 17:32:54 +00:00
Neil Brown
4429dfc051 Added Meta tags all over the place in the type unification to give better error messages 2008-05-20 18:42:20 +00:00
Neil Brown
6afea19ee6 Cleared up the mess of old stuff in the list of rain passes 2008-05-18 11:36:08 +00:00
Neil Brown
8cc602100d Added code to replace the unknown types with their deduced values after type unification 2008-05-18 11:34:26 +00:00
Neil Brown
ec5baf4e97 Stopped the Rain parser using any as a placeholder, and switched to using the unknown types 2008-05-18 11:34:05 +00:00
Neil Brown
760c8a9a1e Added marking up of types in foreach replicators for type unification 2008-05-18 11:13:48 +00:00
Neil Brown
0c443255e6 Changed the expression types to use type unification, and removed the old test 
The new behaviour is to check that both sides of a dyadic operator have the same type.  This means that multiplying time by a scalar is no longer possible, but it also means (due to the lack of checks after unification) that multiplying two lists is possible, or concatenating two integers.  This needs to be fixed by adding another pass.
 2008-05-18 10:30:25 +00:00
Neil Brown
6758cd7da3 Changed the list concatenation operator to be ++ in Rain 2008-05-18 10:30:17 +00:00
Neil Brown
46aa0383be Removed some unused functions from RainTypes 2008-05-18 09:52:50 +00:00
Neil Brown
4586cdd43a Added an export list to RainTypes, and removed some tests for old passes 2008-05-18 09:49:11 +00:00
Neil Brown
f79cba0616 Changed the parameter type checking to use type unification 2008-05-18 09:43:12 +00:00
Neil Brown
7bbfab34a0 Added simple instances of the Typed class for actuals and formals 2008-05-18 09:42:51 +00:00
Neil Brown
ecb4758b64 Corrected a slight bug in the type tests 2008-05-18 09:34:04 +00:00
Neil Brown
fb090a3618 Hacked the ShowCode module quickly to display a lot more Rain code (stealing from the occam stuff, and twiddling it slightly) 2008-05-17 22:21:18 +00:00
Neil Brown
90986ea97b Added a backend that prints out the AST as source (rather than dumping the raw AST) 2008-05-17 22:20:38 +00:00
Neil Brown
e53fda754e Fixed the Rain passes so the the alphabet test case now works (at least) 2008-05-17 20:51:42 +00:00
Neil Brown
1e5268dea5 Fixed the types that are definitely known (declarations, etc) so that they are available during type unification 2008-05-17 19:48:48 +00:00
Neil Brown
bf07c441ae Changed the communication type checking to be part of the type unification framework 2008-05-17 19:47:47 +00:00
Neil Brown
1115364d47 Changed TypeExp to stop using Data.Generics (which was getting awkward) 
Instead of storing the Constr, which was messy, we now store a String (to allow comparison of constructor types during unification) and a function to reform the type at the end of the type checking.
 2008-05-17 19:44:45 +00:00
Neil Brown
abbca5f235 Added tests for channel communications (and type unification) 2008-05-17 19:43:44 +00:00
Neil Brown
ddb9ba2fd3 Corrected a bug in unifyArgs where errors that occur while processing arguments were being ignored 2008-05-17 19:42:49 +00:00
Neil Brown
e72e537c47 Added a missing line in the Makefile for UnifyType 2008-05-17 16:55:04 +00:00
Neil Brown
ab0301a342 Made the Rain parser actually record an unknown (to-be-inferred) type for numeric literals 2008-05-17 14:24:45 +00:00
Neil Brown
cd0c8d2901 Added assignments to the new type unification system for Rain 2008-05-17 14:23:31 +00:00
Neil Brown
1e6ae6bff9 Improved the error messages when the type unification fails 2008-05-17 14:23:00 +00:00
Neil Brown
f10cb7d525 Moved the TypeExp type out to its own module, UnifyType 2008-05-17 14:21:57 +00:00
Neil Brown
0aeebfeeb8 Added more tests for the Rain type system, this time assignment 2008-05-17 14:19:50 +00:00
Neil Brown
3249381995 Added a Rain test file for the type checker 2008-05-17 13:17:12 +00:00
Neil Brown
7d65db43c0 Changed TestHarness to support Rain test files as well as occam 2008-05-17 13:13:52 +00:00
Neil Brown
63a28d0044 Changed the conditionals type-checking to use type unification rather than the old system 2008-05-17 12:53:05 +00:00
Neil Brown
f8b7e8f8cb Added unifying-related items to CompState, and changed all the uses of ST to IO in the TypeUnification module 
As part of this patch I also had to provide a Data instance for TypeExp (to allow CompState to still be an instance of Data).  Using IORefs is easier than STRef RealWorld, and puts everything in terms of IO (which is already in PassM) rather than ST (which would require more lifting).
 2008-05-17 12:50:52 +00:00
Neil Brown
e6162877af Changed the AST to fix the different unknown/inferred types 
The Infer type (used by the occam frontend) is now separated from the "Unknown" types used in type unification that I'm experimenting with in Rain.
 2008-05-17 12:47:31 +00:00
Neil Brown
e72e95625a Added a checkDepthM2 function to the Traversal module 2008-05-17 12:44:55 +00:00
Neil Brown
875cf4b40a Provided slightly better error messages from the type unification module 2008-05-14 12:18:58 +00:00
Neil Brown
e843ce5022 Added a mapMapWithKeyM function to Utils, and cleaned up some of the whitespace 2008-05-14 12:18:27 +00:00
Neil Brown
e3bf321f33 Made the key type in the type unification generic (as long as it provides Ord and Show) 2008-05-14 12:06:11 +00:00
Neil Brown
e09fb2b9ec Added support for numeric literals in the type inference algorithm 2008-05-14 12:01:32 +00:00