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231 Commits

Author SHA1 Message Date
Adam Sampson
1977e7880b Move evalIntExpression into EvalConstants, now that Types doesn't need it. 
It now uses the full expression evaluator rather than the literal-only version.
 2008-04-06 13:31:37 +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
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
0ed18c933f Fixed pullUp to not pull up list expressions 
This patch looks like I removed the wrong line above, but it was identical to the line I actually removed, so the patch is fine, it just looks odd.
 2008-03-23 11:49:42 +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
4e9a00a5b7 Added support for for-each replicators to the freeNamesIn function 2008-03-23 00:08:48 +00:00
Adam Sampson
e23a12c71d Don't resolve user types until after type checking. 
This is important -- a user type defined as INT in occam must not be treated
the same as INT when typechecking.
 2008-03-22 00:12:54 +00:00
Adam Sampson
9cea36257e Make functionsToProcs depend on expressionTypesChecked. 
I think in general typechecking needs to happen before any other pass runs,
else the user's likely to get rather confusing error messages.
 2008-03-22 00:04:53 +00:00
Neil Brown
f7141bda6f Corrected transformConstr0 2008-03-21 20:02:33 +00:00
Neil Brown
14e375247c Added an error message to transformConstr for when the type is not supported 2008-03-21 19:32:07 +00:00
Neil Brown
cfccd38c51 Changed transformConstr to transform list-typed array constructors to build up a list rather than subscripting it 2008-03-21 19:22:29 +00:00
Neil Brown
a1daf15576 Pulled up list expressions in a similar way to array expressions 2008-03-21 19:21:46 +00:00
Neil Brown
da5801ad03 Refactored transformConstr to pull out some of its working into helper functions 2008-03-21 19:13:54 +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
b496912c51 Fixed conflicts with Adam's dimension changes 2008-03-19 17:49:32 +00:00
Neil Brown
e2f5d18169 Added a case in pullRepCountSeq for ForEach replicators 2008-03-19 17:15:14 +00:00
Neil Brown
722499b05d Adjusted the test for transformConstr to work properly with the new array constructor type 2008-03-19 13:29:02 +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
cb819d142a Altered transformConstr to handle array constructors with types in them 2008-03-19 13:23:20 +00:00
Adam Sampson
52d72647ae Fix the transformConstr0 test by defining x. 2008-03-20 11:23:45 +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
b21f020862 Make SimplifyExprs compute the type of the variable it declares. 
This lets you say things like:
  VAL []INT xs IS [i = 0 FOR 20 | i]:
and have it figure out that the type of xs is really [20]INT.

This also cleans up the code a very small amount.
 2008-03-17 18:33:04 +00:00
Adam Sampson
ca230be268 Use Prop.agg_typesDone rather than listing its members. 2008-03-17 15:47:29 +00:00
Adam Sampson
5156626ab0 Remove the identifyParProcs pass. 
All it did was to make a list of the Procs generated by parsToProcs, so
parsToProcs may as well just do the same job itself.

The reason I'd made it a separate pass originally was that I wanted to
optimise out the wrapper when the child of a Par was already a ProcCall.
That optimisation isn't going to be possible any more with the new CCSP,
since wrappers have to fetch their arguments in a different way from
ordinary Procs.
 2008-03-14 14:53:05 +00:00
Neil Brown
c1f0ff92c9 Corrected the transformation of AFTER for the BYTE type 2008-03-09 16:26:50 +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
f0fceb5aee Stopped array literals being pulled up out of record literals in C++, now that the array handling has been changed 2008-03-07 15:48:24 +00:00
Neil Brown
08d02bfb17 Changed the behaviour of assignment for records 
Previously, assignments of records were directly flattened into assignment of each of the fields.  Now, we instead generate a copy_<recordname> inline procedure for each record definition, and compile code that uses that (for C++, we could even make this an operator= implementation later on).  This allows us to re-use the proc later in the C/C++ backends if needed.
 2008-02-29 16:36:47 +00:00
Neil Brown
9ab6cbc0b4 Changed the pullUp function to behave differently for C than C++ (pulling up of array literals inside record literals) 2008-02-29 03:05:52 +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
Neil Brown
a4424ee82d Fixed a few dependencies in the pass lists relating to functions 2008-02-27 20:05:47 +00:00
Neil Brown
46de1956b3 Corrected the pulling up of SEQ replicator counts to descend properly into nested functions 2008-02-27 19:58:09 +00:00
Neil Brown
86c17fed99 Added a pass for pulling up the replicator counts in SEQs so that the count is constant for the whole loop 2008-02-27 19:33:44 +00:00
Neil Brown
cfc3577c21 Fixed the pre-condition of flattenAssign to include the types being resolved 2008-02-27 18:24:33 +00:00
Neil Brown
b0fac1f82a Made sure that definitions are only pulled up after protocol inputs have been flattened 2008-02-27 17:20:52 +00:00
Neil Brown
af7a15b4df Changed testTransformProtocolInput so that it does transform protocol inputs in ALT guards 2008-02-27 17:20:19 +00:00
Neil Brown
9b521c9b07 Added tests for testing that testTransformProtocolInput transformed protocol inputs in ALTs 2008-02-27 17:19:47 +00:00
Neil Brown
5c7bb1296b Altered transformProtocolInput to only bother flattening inputs with more than one item 2008-02-27 17:01:19 +00:00
Neil Brown
9b570996ca Added a pass to flatten protocol inputs down into multiple sequential input statements 2008-02-27 16:45:27 +00:00
Neil Brown
5dbf7fea7a Changed functionsToProcs to work on the new style of function, and made sure parallel assignment isn't removed first 2008-02-25 22:05:53 +00:00
Neil Brown
f9625ce495 Adjusted the tests for functionsToProcs to include the new style of functions 2008-02-25 22:02:21 +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
5d9e2d8e33 Changed rntState so that it "nulls" the bodies of procs and functions first 2008-02-24 15:54:18 +00:00
Neil Brown
147d799563 Changed the replaceNames function so that it doesn't use everywhere 2008-02-23 18:34:02 +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
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
750612629b Corrected a bug caused by making Structured parameterised, where removeNesting only descended into Structureds the same type as the outer-most Structured (typically A.AST) 2008-02-08 12:11:35 +00:00
Neil Brown
3cb4e80749 Fixed a monomorphism restriction warning in the Unnest module 2008-02-05 22:53:37 +00:00