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* Continued sketching out code for checking states against preconditions.Tim Chevalier2011-04-066-115/+215
| | | | | | | | | It's still sketchy. I added a typestate annotation field to statements tagged stmt_decl or stmt_expr, because a stmt_decl statement has a typestate that's different from that of its child node. This necessitated trivial changes to a bunch of other files all over to the compiler. I also added a few small standard library functions, some of which I didn't actually end up using but which I thought might be useful anyway.
* Remove reference to nonexistent ast.module from typestate_check.rs, stage1 ↵Graydon Hoare2011-04-061-1/+0
| | | | doesn't like it.
* Brute force and ignorance workaround for tag-and-generic-obj; un-XFAIL it.Graydon Hoare2011-04-051-0/+3
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* More work on typestate. Sketched out code for computing and checking ↵Tim Chevalier2011-04-062-75/+482
| | | | prestates and poststates. Still a long ways away.
* Last pieces of self-call support.Lindsey Kuper2011-04-052-5/+36
| | | | | | | | The last few pieces of the hack that lets us use trans.trans_call() to translate self-calls, plus a fix for the parser buy that was preventing self-call expressions from getting past parsing. test/run-pass/obj-self.rs works now (as in it actually prints "hi!" twice!).
* Further on the path toward self-awareness.Lindsey Kuper2011-04-053-114/+87
| | | | | | | | | | | | | Mostly: * Merciless refactoring of trans.rs so that trans_call can work for self-calls as well as other kinds of calls Also: * Various changes to go with having idents, rather than exprs, in expr_call_self AST nodes * Added missing case for SELF token to token.to_str()
* FIx native wrapper generation to handle more arg types.Graydon Hoare2011-04-051-3/+23
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* Knocking out a quick fixme: pretty-printing exprs in error messages.Lindsey Kuper2011-04-051-2/+3
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* Make box prefix operator and box type carry mutability flag.Graydon Hoare2011-04-043-11/+10
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* Begin comparing vectors from the correct addressBrian Anderson2011-04-031-1/+1
| | | | Start at the first element instead of the address of the vector.
* Change rust_vec to have a 16-byte header, to 16-byte-align vec-body data. ↵Graydon Hoare2011-04-021-0/+2
| | | | Major perf win.
* Add FIXMEs around type handling in trans_if, trans_altBrian Anderson2011-04-021-0/+2
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* Join the results of alt arms so alt can be used as an expression.Brian Anderson2011-04-021-12/+18
| | | | Un-XFAIL expr-alt.rs.
* Make join_results branch into the join block even when only one edge is live.Brian Anderson2011-04-021-6/+0
| | | | | | I don't don't totally understand the implications of this but it makes the behavior consistent for all live edges, which is going to make joining the arms of an alt expression work correctly.
* Fail on non-exhaustive alt matchesBrian Anderson2011-04-021-3/+3
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* Terminate fail blocks by making their ends unreachable.Brian Anderson2011-04-021-3/+3
| | | | This will make implementing default alt arms simpler.
* Write typarams for variants. Typecheck gets as far as ty.rs now.Graydon Hoare2011-04-011-2/+4
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* Encode ty_native ebml node for native types so typechecker has something to ↵Graydon Hoare2011-04-011-0/+1
| | | | work with.
* Remove typestate_check reference to nonexistent ast.init node; rustc ↵Graydon Hoare2011-04-011-1/+0
| | | | compiling itself notices what rustboot did not :)
* Re-enable typestate_check in build, was lost during merge. Sorry.Graydon Hoare2011-04-011-1/+1
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* Support for passing native types through metadata/creader.Graydon Hoare2011-04-011-1/+3
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* Guh. Actually commit the staged undo-of-indentation. Forgotten git staging ↵Graydon Hoare2011-04-011-56/+56
| | | | wins again.
* Switch private linkage to local, re-indent trans.rs.Graydon Hoare2011-04-011-70/+70
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* rustc: Write symbols for native items into the crate metadataPatrick Walton2011-04-011-0/+1
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* rustc: Don't try to write symbols into the metadata for nullary tags. Puts ↵Patrick Walton2011-04-011-1/+3
| | | | out burning tinderbox.
* rustc: Get tag variants from the crate metadataPatrick Walton2011-04-012-10/+28
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* rustc: Have tag_variants() return a new variant_info structure instead of an ↵Patrick Walton2011-04-011-37/+40
| | | | AST node
* Started adding support for typestate checking.Tim Chevalier2011-04-015-197/+685
| | | | | | | | | | | | | | | I added a new field to the ast "ann" type for typestate information. Currently, the field contains a record of a precondition bit vector and postcondition vector, but I tried to structure things so as to make it easy to change the representation of the typestate annotation type. I also had to add annotations to some syntactic forms that didn't have them before (fail, ret, be...), with all the boilerplate changes that that would imply. The main call to the typestate_check entry point is commented out and the actual pre-postcondition algorithm only has a few cases implemented, though the overall AST traversal is there. The rest of the typestate algorithm isn't implemented yet.
* rustc: Remove useless call to tag_variant_with_id()Patrick Walton2011-04-011-1/+0
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* Cleanup typos and newlinesBrian Anderson2011-04-011-1/+1
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* Initialize the alloca used to retrieve boxed block results to null.Brian Anderson2011-03-311-11/+19
| | | | | | | | This allows blocks to be used in conditional constructs where the block may not ever execute: the drop glue will notice that it was never used and ignore it. Also, beef up the comments.
* Only use allocas to hold expression results for boxed typesBrian Anderson2011-03-311-18/+3
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* Add more comments to trans_blockBrian Anderson2011-03-311-1/+2
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* Modify trans.rs to allow blocks to result in boxed valuesBrian Anderson2011-03-311-0/+59
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* rustc: Add a type annotation to tag itemsPatrick Walton2011-03-316-31/+29
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* rustc: Make tag_ty_params() and substitute_ty_params() take def ids instead ↵Patrick Walton2011-03-312-10/+6
| | | | of ty_params, and to check in external crates
* rustc: Write out a path index as wellPatrick Walton2011-03-311-59/+117
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* More stuff to go with the new expr_call_self AST nodeLindsey Kuper2011-03-311-0/+68
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* More machinery for adding an expr_call_self AST node.Lindsey Kuper2011-03-311-1/+18
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* rustc: Index only the local part of definition IDsPatrick Walton2011-03-311-16/+21
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* rustc: Write out an index of definition info in crate metadataPatrick Walton2011-03-311-30/+100
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* rustc: Use the scaled index, not the raw index, if a vector has generic ↵Patrick Walton2011-03-311-2/+12
| | | | size. lib-vec.rs works now.
* Rename incr_all_refcnts to take_ty, to match drop_tyBrian Anderson2011-03-311-4/+4
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* Restore scope block contexts to the translation of expr_block.Brian Anderson2011-03-311-2/+20
| | | | | I removed this previously but that was wrong because it caused block expressions to not create a new scope.
* Improve line comment positioningMarijn Haverbeke2011-03-315-40/+42
| | | | This involved making ast.variant spanned.
* Add effect field to ast.ty_fn.Marijn Haverbeke2011-03-312-12/+13
| | | | Still not used, except by the pretty-printer.
* rustc: Use the type cache to construct external item referencesPatrick Walton2011-03-301-19/+38
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* rustc: Thread an item-to-type mapping throughout the typechecking and ↵Patrick Walton2011-03-306-344/+353
| | | | translation phases
* Ensure task stacks start out with a 16-byte aligned entry frame. Should make ↵Graydon Hoare2011-03-301-1/+2
| | | | OSX behave a bit better.
* rustc: Add all items to the item table during translation. lib-vec now ↵Patrick Walton2011-03-291-1/+16
| | | | compiles, but asserts and then segfaults.