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295 Commits

Author SHA1 Message Date
Adam Sampson
8a914cd19a Strip out most of the type awareness from the parser. 
Type inference and checking is now handled entirely by the later passes.

There are a few remaining places in the parser that look at the types of things
that have been defined; this is in order to resolve syntax ambiguities (e.g.
c[x], c ! x). This is a temporary measure to minimise cgtest breakage; it can't
work for things that need to be inferred (e.g. "CHAN INT c:" "d IS c:" "d !
x"), so it'll need moving out to a pass in the near future.

There's still quite a bit of work to do on this, but results so far are
encouraging: the code is an awful lot cleaner, and about four hundred lines
shorter.
 2008-04-06 02:59:49 +00:00
Adam Sampson
c39503c175 Move occam type inference out to a pass. 
This infers the types of literals and abbreviations.

This is not yet complete, but it's mostly there. I was surprised at how complex
it turned out to be, but it's significantly less awkward than having it
threaded through the parser (plus it works correctly, unlike the old code).
There are a few FIXMEs for things I've yet to implement.
 2008-04-06 02:56:59 +00:00
Adam Sampson
e6980ba382 Update all specifications when constant folding. 
It used to only update IsExprs, but that meant that all the constants inside
types in other things didn't get folded properly, which caused problems.
 2008-04-06 02:01:47 +00:00
Adam Sampson
475a77404c Handle the RHS type of A.Counted consistently. 
Previously the parser set it to the element type, but everything that used it
set it to the type of the whole array. Now it's documented in AST.hs, and the
parser makes it the type of the whole array, since that's almost always what
you really want later on.
 2008-04-06 00:09:23 +00:00
Neil Brown
4ef1ff7196 Changed to a state monad for warnings, and added a runPassM function to remove duplicate code for running passes 2008-04-03 12:21:59 +00:00
Neil Brown
20843f70a4 Corrected all the tests to use the new PassM monad 2008-03-10 17:07:48 +00:00
Neil Brown
d66fb79796 Fixed some unused module import warnings, now that PassM is not build of monad transformers 2008-03-10 17:19:45 +00:00
Adam Sampson
7525138c96 Defined types for tree traversals, and moved them to their own file. 
We now have three kinds of canned tree traversals, all of which are smart about
which types they're applied to: explicit-descent transformations,
implicit-descent transformations, and implicit-descent checks. I've only
provided depth-first application of the latter two, but we could do
breadth-first in the future if necessary.
 2008-04-01 12:01:09 +00:00
Adam Sampson
3283b7db41 Remove the Type/AbbrevMode information from Actual*. 
It's redundant, since you can always compute them from the variable, and it
makes the code that deals with actuals rather cleaner.

On the other hand, it slightly complicates some of the tests, because any names
you use in an Actual need to be defined...
 2008-03-26 18:16:09 +00:00
Adam Sampson
b296706bea Update Rain typechecker to match isIntegerType change. 
isIntegerType now recognises Time as an integral type, so the rules for Time
operations in the Rain typechecker needed updating.
 2008-03-26 14:55:15 +00:00
Adam Sampson
b36068b815 Move retypes check into the SpecType checker, and update the pass list. 
This completes the occam typechecker.
 2008-03-26 14:39:12 +00:00
Adam Sampson
ef329e3ed0 Check SpecTypes. 2008-03-26 14:20:35 +00:00
Adam Sampson
c9cb7d2bf9 Check Proc calls. 2008-03-26 12:26:04 +00:00
Neil Brown
c37e183879 Added support for a not-equals operator in Rain 2008-03-24 23:44:40 +00:00
Adam Sampson
b672900f46 Check Case, Alt, and all the trivial processes. 2008-03-25 17:27:33 +00:00
Adam Sampson
6861b22da6 Check timer operations. 2008-03-25 16:45:25 +00:00
Adam Sampson
d7e829b4c6 Check assignments. 2008-03-25 16:26:09 +00:00
Adam Sampson
b3e3308b3e Implement channel IO checks, and refactor OccamTypes (again). 2008-03-25 15:56:03 +00:00
Neil Brown
8fe152bf98 Merged the type-checking on time-related statements in Rain into the pass that checks types in communications 2008-03-24 15:15:28 +00:00
Neil Brown
eb50c010b2 Fixed the tests for parsing time-related stuff in Rain to match the recent changes 2008-03-24 14:27:46 +00:00
Neil Brown
cbbafffbd2 Changed Rain to use the new timer type rather than things like the GetTime statement 2008-03-24 13:50:14 +00:00
Neil Brown
c68aa42277 Added a sub-type to Timers, to support multiple types 2008-03-23 22:20:16 +00:00
Neil Brown
74a5cf52a7 Stopped constants being assigned to in the type-checker for Rain 2008-03-23 12:15:00 +00:00
Neil Brown
b316a7d3f4 Added some tests for checking that constants can't be assigned to in Rain 2008-03-23 12:14:34 +00:00
Neil Brown
c1479bc1a8 Fixed the list of excluded Rain things by removing IntrinsicFunctionCall from the list 2008-03-23 11:48:33 +00:00
Neil Brown
1650d55d4e Added the functionTypesChecked property to the dummy occam pass 2008-03-23 11:47:59 +00:00
Neil Brown
78c2160eb4 Fixed the type of a function name to avoid confusing the pass to remove free names later on 2008-03-23 00:11:11 +00:00
Neil Brown
dd7b0268b2 Added a new property (functionTypesChecked) to help fix the pass ordering 2008-03-23 00:09:01 +00:00
Neil Brown
7a7b60449c Enhanced an error message in RainTypes 2008-03-22 19:04:34 +00:00
Neil Brown
e767e33190 Added support for some intrinsic (time-related) functions in Rain 2008-03-22 18:58:10 +00:00
Neil Brown
230db2de08 Added support for specifications at the start of functions without ruining the check for a return statement 2008-03-22 18:57:23 +00:00
Neil Brown
ae142a94e1 Added support for uniquifying function arguments to the Rain passes 2008-03-22 18:34:07 +00:00
Neil Brown
813d6affd1 Fixed an error message in RainTypes 2008-03-22 18:02:43 +00:00
Neil Brown
710abd7019 Added support for function calls to the Rain parser 2008-03-22 17:49:21 +00:00
Adam Sampson
b8b7e04b7c Refactor literal and subscript checks. 
For both of these, we already examine all the places they occur for other
reasons, so there's no good reason to do a separate traversal for them.
 2008-03-22 23:58:18 +00:00
Adam Sampson
60ca26128c More occam typechecks: input/output items, replicators, choices. 
Various infrastructure too to support these.

Doing A.ForEach raised an interesting question: what does it work over?  In
plain occam it'd just be arrays, but it should obviously work for lists too.
This suggests that Size and Subscript should work on lists as well, since
ForEach will be implemented in terms of them. I've therefore introduced the
idea of a "sequence" class of types.
 2008-03-22 23:47:29 +00:00
Adam Sampson
6ab4a9923f Implement expression typechecking for occam. 
There's obviously some overlap with the Rain typechecker here. I've tried to
cover everything in the AST that could potentially be bound into occam at some
point in the future, even if the occam parser doesn't support it yet (so
this'll do checks for Concat and mobile allocation, for example).
 2008-03-22 01:00:42 +00:00
Neil Brown
025eebf61d Added support for giving ranges an explicit type in Rain 2008-03-21 21:10:47 +00:00
Neil Brown
0511c852da Added a couple of reminders to RainPassesTest 2008-03-21 20:16:48 +00:00
Neil Brown
2189a6c28a Added support for list literals to the Rain parser 2008-03-21 20:03:47 +00:00
Neil Brown
fe24c5cfb4 Corrected some test numbering in ParseRainTest 2008-03-21 19:25:19 +00:00
Neil Brown
7bd5bdf1fa Changed a Rain pass to transform the Plus operator on lists into the proper Concat operator 2008-03-21 19:23:16 +00:00
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
Neil Brown
1e92333778 Added a try to fix the parsing of BYTESIN with a not obviously constant array dimension 2008-02-28 16:55:11 +00:00
Adam Sampson
d021edbd48 Add some reserved words that show up in ASM blocks. 2008-02-29 17:11:17 +00:00
Adam Sampson
a2a15cab64 Split include file expansion out into a separate pass. 
The order of initial passes is now:
  lex -> preprocess -> structure -> expand-include -> parse
which means that #IFing out structurally-invalid code (like inline VALOF) now
works.  This also cleans up the preprocessor code a bit.
 2008-02-29 15:01:19 +00:00
Adam Sampson
d7fbd93816 Add some tests for structureOccam. 2008-02-29 14:08:57 +00:00
Adam Sampson
c8b6be34e1 Implement comparisons in preprocessor expressions. 
This brings Tock's conditional compilation facilities up to par with occ21.
 2008-02-29 00:23:49 +00:00
Adam Sampson
a5fd73130a Use Parsec to parse #DEFINE directives. 
This is much neater, and I'll need most of the code to implement comparisons anyway.
 2008-02-28 23:47:06 +00:00
Neil Brown
6d4f1dd702 Added labels to all the top-level tests that didn't have one 2008-02-28 16:11:01 +00:00
Adam Sampson
8f2575819b Initial implementation of the occam-pi preprocessor. 
This implements #DEFINE, #UNDEF, #IF, #ELSE and #ENDIF, macro expansion with
##, and TRUE, FALSE, AND, OR, NOT and DEFINED within #IF expressions, with the
same semantics as occ21.

The macro COMPILER.TOCK is always defined by default, so you can now say things
like "#IF NOT DEFINED (COMPILER.TOCK) ... #ENDIF".
 2008-02-28 20:27:30 +00:00
Neil Brown
7af49a2d10 Fixed the checkFunction pass 2008-02-25 21:27:37 +00:00
Neil Brown
dcf419744a Renamed the transformFunction pass into checkFunction, and adjusted the tests for it accordingly 2008-02-25 21:17:37 +00:00
Neil Brown
74838bcb80 Fixed functions to work again in the Rain parser, according to the new tests 2008-02-25 17:18:28 +00:00
Neil Brown
839c8ebe7c Fixed the tests for parsing Rain functions, using the new Process body with functionname = returnvalue plan 2008-02-25 17:17:38 +00:00
Neil Brown
1edaacae89 Altered the AST to allow a function to be either an ExpressionList (classical occam) or a Process (Rain/proposed new occam) 2008-02-24 19:29:31 +00:00
Neil Brown
74f3cb7fc2 Removed the export of "m" in TestUtils, instead moving the definition to each module that uses it (less confusing that way) 2008-02-24 18:55:44 +00:00
Neil Brown
2e6718ac50 Changed all the lists of passes to add pre- and post- properties 2008-02-19 09:43:40 +00:00
Neil Brown
360abc195e Moved the enabling/disabling of passes based on CompState from PassList to the point of the declaration of the passes 2008-02-16 11:09:25 +00:00
Neil Brown
3ce0eaf452 Made the first adjustment to the Pass system, ready to introduce properties and a dependency graph. For now passes are still executed in list order 2008-02-16 10:19:14 +00:00
Neil Brown
b037b6a8ca Tidied up the new code relating to warnings, and moved it all into the Errors module (out of CompState and Pass) 2008-02-08 13:31:37 +00:00
Neil Brown
f17ff5071c Added a Warn monad for warnings, and incorporated a WriterT monad into the PassM stack to support the Warn monad, then changed all the rest of the code accordingly, including adding a Warn instance for the GenParser parser that hides it in the state 2008-02-08 13:22:23 +00:00
Neil Brown
95cdb39789 Generalised the type of the monad for the excludeConstr function, and correspondingly the functions that use it 2008-02-08 11:33:19 +00:00
Neil Brown
e3e9e912f2 Added a read-only version of CSM, named CSMR 2008-02-08 11:17:50 +00:00
Neil Brown
1fd85fbe51 Added the -fwarn-missing-signatures option and added all missing type signatures for non-test modules (and most for test modules too) 2008-02-05 23:06:03 +00:00
Neil Brown
acd57d74de Changed the A.Structured type to be parameterised 
This patch is actually an amalgam of multiple (already large) patches.  Those patches conflicted (parameterised Structured vs. changes to usage checking and FlowGraph) and encountered a nasty bug in darcs 1 involving exponential time (see http://wiki.darcs.net/DarcsWiki/ConflictsFAQ for more details).  Reasoning that half an hour (of 100% CPU use) was too long to apply patches, I opted to re-record the parameterised Structured changes as this new large patch.  Here are the commit messages originally used for the patches (which, as mentioned, were already large patches):

A gigantic patch switching all the non-test modules over to using parameterised A.Structured
Changed the FlowGraph module again to handle any sort of Structured you want to pass to it (mainly for testing)
A further gigantic patch changing all the tests to work with the new parameterised Structured
Fixed a nasty bug involving functions being named incorrectly inside transformInputCase
Added a hand-written instance of Data for Structured that allows us to use ext1M properly
Fixed a few warnings in the code
 2008-02-05 19:40:27 +00:00
Neil Brown
6c4e7ee713 Added a few more TestLabels 2008-02-05 16:19:16 +00:00
Neil Brown
edc3a7e910 Removed the die function (that has no source position) and as far as possible replaced all its uses with dieP and a valid position 2008-01-28 17:21:13 +00:00
Neil Brown
2120b830dc Corrected the use of the -fno-warn-tabs flag in the alex files so that it works under GHC 6.6.x 2008-01-28 12:03:03 +00:00
Neil Brown
bdda623d7e Added types to all the cases where the monomorhpism restriction applied 2008-01-26 20:51:11 +00:00
Neil Brown
741a01de5a Removed various tab characters and replaced them with spaces 2008-01-26 19:38:24 +00:00
Neil Brown
34584130d4 Turned off tab warnings for the files auto-generated by Alex (which contain a lot of tabs) 2008-01-26 19:37:43 +00:00
Neil Brown
0706cb4d51 Rearranged PreprocessOccam a little so that you can now parse occam source directly from a String (as well as from a filename, as before) 2008-01-16 03:26:49 +00:00
Neil Brown
26dd2fa5c4 Renamed the TestUtil and TreeUtil modules to TestUtils and TreeUtils, to be consistent with the Utils module 2007-12-13 19:05:29 +00:00
Neil Brown
4c20f99ac3 Changed some tests to use the new mSeq matching helpers 2007-11-28 14:30:56 +00:00
Neil Brown
8ec8374bc6 Converted most of ParseRainTest to use the pat function with normal AST fragments, rather than the more verbose explicit Patterns 2007-11-21 15:33:17 +00:00
Neil Brown
14cb5d7642 Changed some Named Patterns to use the new @@ operator 2007-11-21 14:26:08 +00:00
Neil Brown
1a7d77d9c4 Added more documentation to the tests for the Rain frontend passes 2007-11-12 15:45:07 +00:00
Neil Brown
da76be9dab Changed RainParseTest to stop relying on the Meta tag hack, and also added some more documentation. 2007-11-10 14:13:14 +00:00
Neil Brown
16df6a1774 Fixed some conflicts between some branches, in RainPassesTest 2007-10-28 18:34:28 +00:00
Neil Brown
25f2efb94c Changed the existing Rain code (and tests) to use the new List type rather than the Array type 2007-10-25 10:13:17 +00:00
Neil Brown
6b95827cab Added an optional initialiser-expression to Declaration in the AST, and changed the rest of the code accordingly 2007-10-24 23:50:00 +00:00
Neil Brown
7d8f170b7d Added support for the #COMMENT directive to the occam parser 2007-10-15 17:12:53 +00:00
Neil Brown
d4a766c594 Changed the occam parser to use A.Several with an empty list for its terminator, rather than A.Main 2007-10-17 13:43:12 +00:00
Neil Brown
e582f5e508 Changed the terminator in Rain source files from A.Main to A.Several (with an empty list), and updated the tests accordingly 2007-10-17 13:42:13 +00:00
Neil Brown
1c858e112c Changed the occam and Rain parsers to return a Structured rather than a Process (which will simplify the generated ASTs) 2007-10-17 13:21:17 +00:00
Neil Brown
15ecb2b178 Added the -fwarn-type-defaults compiler option (for when integer literals are given a default type) and fixed the few warnings that arose from doing so 2007-09-27 13:29:16 +00:00
Neil Brown
38c409d378 Added the -fwarn-unused-imports compiler option to warn about unused imports, and then set about pruning and ordering (mostly in my code) the import lists for all the modules 2007-09-27 13:13:46 +00:00
Neil Brown
028c27eb73 Rain: implemented type-checking for wait guards 2007-09-26 23:42:40 +00:00
Neil Brown
c38978c123 Rain: added tests for checking types in wait guards 2007-09-26 23:42:16 +00:00
Neil Brown
d79de5a936 Rain: implemented parsing of wait guards 2007-09-26 23:34:55 +00:00
Neil Brown
cbd2d04371 Rain: added tests for parsing wait guards 2007-09-26 23:34:42 +00:00
Neil Brown
a65953ad89 Rain: added type-checking for wait statements 2007-09-26 23:08:55 +00:00
Neil Brown
41ac788601 Rain: added tests for checking the types in wait statements 2007-09-26 23:08:37 +00:00
Neil Brown
5af96110c7 Rain: implemented the parsing of wait statements 2007-09-26 23:00:58 +00:00
Neil Brown
13584ed2cb Added a wait statement to the AST, and added Rain tests for parsing wait statements 2007-09-26 23:00:09 +00:00
Neil Brown
a12d46401a Rain: implementing type checking for inputs inside alts 2007-09-26 22:37:32 +00:00
Neil Brown
5c827fdacb Rain: added testing for correct types in input statements in alts 2007-09-26 22:37:03 +00:00
Neil Brown
4cc0628757 Corrected the name of one of the RainTypesTest tests 2007-09-26 22:24:01 +00:00
Neil Brown
db4f05932b Fixed a conflict between the old time-related patches and the new alt patches 2007-09-26 21:39:16 +00:00
Neil Brown
769dc3c79a Rain: changed the if, while and each loops to require a block as their body, rather than just a statement. 2007-09-26 18:03:42 +00:00