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2016-01-06Add new assert expression to SailKathy Gray
This splits the former functionality of exit into errors, which should now use assert(bool,option<string>), and a means of signalling actions such as instruction-level exceptions, interrupts, or other features that impact the ISA. The latter will now be tracked with an effect escape, and so any function containing exit and declared pure will generate a type error. WARNING: ARM spec will not build with this commit until I modify it. MIPS spec will not build with this commit until modified.
2015-12-17First bit of gluing mips onto interpreter and eventually ppcmem infrastructureKathy Gray
2015-12-14Adding new location constructor for location of generated termsKathy Gray
2015-11-24Add BE_escape effect when an E_exit is seenKathy Gray
Close #20
2015-10-19progress on lem backendChristopher Pulte
2015-10-08Add another internal let for ChristopherKathy Gray
2015-10-07Start expanding annot for more refined effect trackingKathy Gray
2015-09-24Parameterise the rewriter's for multiple different rewritingsKathy Gray
Add a new internal node for moving assignments into scope-preserving expressions that more explicitly define the scope
2015-06-24Support new memory write events in the sail front end and pretty printerKathy Gray
Events are eamem to signal the memory address to write to and wmv to pass the value to write
2015-05-13Add dynamic footprint dependency check event/outcomeKathy Gray
Also fix type checker bug in not reporting modifications to parameter values
2015-03-26Add subtraction to nexp grammar (removing the need to do a + (-1 * b))Kathy Gray
Fix up parsing on 2** precedence Fix errors on type variables in function definition
2015-02-17Bring type rules more into modern state of type checkerKathy Gray
2015-02-13Actually use new dependency information in generation of lem/etc.Kathy Gray
Also stop rewriting code in the pretty printer, instead move it all into a new general rewriting pass
2015-01-12Add specialised support for numeric singleton types (i.e. what used to be ↵Kathy Gray
range<'N,'N>) Non-sugar syntax is -- forall Nat 'N. atom<'N> Sugar syntax is -- [: 'N :] Also begin adding pp support for generating ocaml from ast types.
2014-12-03Type rules unto coercion now represented in ottKathy Gray
2014-11-27Start having a manual of sorts. At least specify the built in functionsKathy Gray
(list not complete)
2014-09-30Add type annotations to funcls to track effects and constraints from one ↵Kathy Gray
function-clause
2014-07-29A file can now declare that a default order is either inc or dec, and this ↵Kathy Gray
will be reflected in short hand type syntax, inc is still the default if undeclared So: default order dec register bit[32] t (* Declares t as a decreasing vector, starting at 31 on the left and decreasing to 0 *) default order inc register bit[32] o (* Declares o as an increasing vector, starting at 0 on the left and increasing to 31 *) It is presently possible to change the default mid-file; this is almost certainly bad and I will turn it into an error soon.
2014-07-18Writing to concatenated aliasesKathy Gray
2014-07-08Extend language to support register aliases and to support interrupts, traps ↵Kathy Gray
and the like.
2014-06-26Adding better support for unspecified values in indexed vectorsKathy Gray
Also begining to add support for nondeterministic blocks and cleaning up some of the Many warnings on pattern matches
2014-06-25Add support for memory barrierKathy Gray
2014-06-25Add support for actions that read just a slice or single bit of a registerKathy Gray
2014-06-04Fixup type coercions and overloadingKathy Gray
Reduce the number of implicit coercions we're doing, expanding overloading and fixing up types of functions. Warning: test_power does not run as not all overloaded funcitons are implemented Warning: vector concatenation does not pretty print to sail source yet
2014-05-14More interface update for connecting externally (interp_interface provides ↵Kathy Gray
functions for connecting the interpreter to a memory model) Also adding default values to index vectors for supporting sparse vectors/maps
2014-04-08Reduce redundant information in ASTKathy Gray
2014-04-02Solve more constraints; fix up test suite bugs uncovered by solving more ↵Kathy Gray
constraints. Clean up Lem output a little for readability while debugging.
2014-04-01Allow negative "nat" internallyGabriel Kerneis
to_num and to_vec probably still need to be fixed
2014-03-27Check simple constraints (i.e. ones using only constants).Kathy Gray
Changes syntax of tuple type from * to , so that nexps of the form 8 * 'n can be supported in the parser, which was apparently not true before.
2014-03-26More steps towards solving and using constraint informationKathy Gray
2014-03-03Fixing assorted bugs. Adding ability to put a type on the identifier being ↵Kathy Gray
assigned to in assignments.
2014-02-28Correct bug in parsing and handling a['a:'b] typesKathy Gray
2014-02-21Add type annotations to lem grammar, including printing out the annotated ↵Kathy Gray
ast, and extending the interpreter to expect annotations. Annotations and locations are still not used by the interpreter.
2014-02-18Add function's name for external tag, using register when a registerKathy Gray
2014-02-18Adding explicit order to for loopsKathy Gray
2014-02-14update syntax of vector slicing.Kathy Gray
2014-02-12Change nat to natural in ottKathy Gray
Type checking now recurses through assign, but doesn’t do the proper checks yet
2014-01-07lem homs and type headersKathy Gray
2013-12-17Convert coerce to a relation that generates a new expression, inserting ↵Kathy Gray
coercion function calls where applicable.
2013-12-10Fixed bug in interpreterKathy Gray
2013-12-03Syntax changes per discussion with Peter, as well as L2.ott document clean up.Kathy Gray
Could not at this time return lists to [| |] from [|| ||] as the parser cannot distinguish a cast with enum’s syntactic sugar from the start of a parenthesised list (i.e. ( [|3|] ) And there are still conflicts with moving enums to [3], so those changes can’t be pushed in with current parser technology.
2013-11-29Push syntax changes to type rulesKathy Gray
2013-11-28Updated syntax with working examplesKathy Gray
2013-11-22Syntax changes per discussions on Thursday.Kathy Gray
First pass parser to identify type names is in progress (current test files fail, will correct once pre-parser is in place)
2013-11-07Port L2 to new LemGabriel Kerneis
Tests compile and run properly. There is a lot of hackery going on to workaround the rough edges of new Lem. Use at your own risk (you need the "library-format" branch of lem).
2013-11-07Most of the function type systemKathy Gray
2013-11-01Moved metatheory grammars into l2_rules.ottKathy Gray
Added val extern specification to language, parser, printer, and interpreter Added various def level type system support, expressions type system in place Except for assignment
2013-10-25More type rulesKathy Gray
2013-10-23Thread type environment through expressions because of block adding new ↵Kathy Gray
variables, say in each branch of an if, that we want to be visible beyond it.
2013-10-23Don't export list of types to ML ASTGabriel Kerneis