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503 Commits

Author SHA1 Message Date
Chris Lattner
19dbcaa171 pull the casting operators into LLVM.h 
Swift SVN r421
 2011-07-19 05:57:01 +00:00
Chris Lattner
e647b29339 stop the llvm-namespace-qualification-insanity by caving in and 
adding a new swift/AST/LLVM.h file which forward declares and imports
common llvm classes, starting with SMLoc.


Swift SVN r420
 2011-07-19 05:49:43 +00:00
Chris Lattner
d6cf48a22d add a "using llvm::SMLoc" to simplify some code, 
move "-> ()" inference into Sema.  The boundary
between Parser and Sema* is nebulous at best.


Swift SVN r419
 2011-07-19 05:39:06 +00:00
Chris Lattner
9e8c82435a implement AST and sema support for methods. The example method in the 
testcase now AST's to:

   (methdecl 'print2' type='(this : rect) -> (os : ostream) -> ()'
      (closure_expr type='(this : rect) -> (os : ostream) -> ()'
        (closure_expr type='(os : ostream) -> ()'
          (brace_expr type='()'
            (apply_expr type='int'
              (declref_expr type='(r : rect) -> int' decl=area)
              (tuple_expr type='(r : rect)'
                (declref_expr type='rect' decl=this)))))))

which seems right.  Some cleanups are pending.



Swift SVN r416
 2011-07-19 05:26:51 +00:00
Chris Lattner
ba2793aa6b implement parser support for methods, including dox and 
a testcase.  No AST or sema yet.


Swift SVN r415
 2011-07-19 04:46:07 +00:00
Chris Lattner
2db54bd1e9 change consumeToken to return the location of the token that it 
just consumed, simplifying some common callers.


Swift SVN r396
 2011-06-05 02:26:19 +00:00
Chris Lattner
b9e7823656 Implement lexing and parsing support for a proper if expression. There 
is no AST building or typechecking support yet.  Document the intended
semantics in LangRef.  This is clearly subject to change, but is a starting
point.


Swift SVN r393
 2011-06-05 02:03:48 +00:00
Chris Lattner
de094d7cde Introduce i1/i8/i16/i64 types, and switch int to be 64-bit. 
Swift SVN r390
 2011-05-31 03:48:36 +00:00
Chris Lattner
79ba41c1fe add a specialization of AllocateCopy to help out argument deduction a bit, 
simplifying some code.


Swift SVN r385
 2011-04-29 07:18:11 +00:00
Chris Lattner
d3d1278c7e John points out that struct foo { ... } is more consistent with oneof and generally makes more sense than struct foo (...). Switch! 
Swift SVN r372
 2011-04-22 06:12:21 +00:00
Chris Lattner
91fb8351b7 Implement support for overloaded binary operators. 
Swift SVN r366
 2011-04-11 05:59:23 +00:00
Chris Lattner
c3c602f9d3 Reimplement processing of dot expressions to have their base resolved as part of Type checking of SequenceExprs. This ensures that we can establish a proper base expression for the value. 
Swift SVN r363
 2011-04-11 05:20:21 +00:00
Chris Lattner
c45c9295cf Describe expressions. 
Swift SVN r359
 2011-04-10 23:36:11 +00:00
Chris Lattner
0d54f3e6f6 Major cleanups to decls and types section of langref.html. Expressions needs to be largely rewritten. 
Swift SVN r358
 2011-04-10 17:43:26 +00:00
Chris Lattner
3b4a8b03d2 1. With overloading in play, SemaDecl should never resolve unqualified lookup that hits at translation unit scope to a DeclRefExpr. Doing so can break overloading. 
2. This exposed a bug: when parsing structs, we weren't adding all decls to the translation unit, we were just adding the type alias.
3. This exposed that TypeChecking wasn't handling OneOfElementDecl.
4. Introduce a new NLKind enum in NameLookup instead of passing around a bool.
5. Have unqualified lookup that returns an overload set form a new OverloadSetRefExpr, which has dependent type.
6. Enhance various stuff to handle OverloadSetRefExpr.  It's still not fully handled yet though, so it can't be used for anything useful.
7. Change Expr.cpp to print types with << instead of T->print(OS) which is simpler and correct in the face of null.

Swift SVN r351
 2011-04-10 05:57:10 +00:00
Chris Lattner
5e28a6fcdd Finally get around to doing a major type system refactoring, where we introduce Type as a "smart pointer" and rename the existing Type class to TypeBase. 
This prevents use of isa/dyn_cast/etc on Type*'s and means we just pass around Type by value instead of having to use Type* everywhere.

Swift SVN r343
 2011-04-05 01:06:57 +00:00
Chris Lattner
85579ef131 Inline a bunch of trivial SemaExpr routines into parser. No need for the additional indirection/layering. 
Swift SVN r342
 2011-04-04 23:41:44 +00:00
Chris Lattner
7530ec988c Add a error to reject foo() when foo is not a function type. Previously we allowed it because these are two valid top-level values, but we now reject them because they are almost certainly a bug. This can be disabled by putting a space between them if this is useful for some reason. 
Swift SVN r339
 2011-03-27 02:56:47 +00:00
Chris Lattner
e85928e6f5 Split dollar identifier processing out to its own method. 
Swift SVN r336
 2011-03-26 23:57:43 +00:00
Chris Lattner
c9ee19e269 Implement parser, sema, doc, and name lookup support for refined import declarations. You can still only do top level references, but that's because we don't have namespaces or anything else interesting yet. 
This allows "import swift.int" for example. 

Swift SVN r329
 2011-03-23 05:18:29 +00:00
Chris Lattner
a1cf13d201 Switch ActOnTupleType to take an ArrayRef, simplifying it. 
Swift SVN r311
 2011-03-22 04:54:13 +00:00
Chris Lattner
1fda8dd71d Fix a scoping problem with my recent "make oneof constructors have the right typealias name" patch. 
Swift SVN r305
 2011-03-21 22:56:00 +00:00
Chris Lattner
0d9da2b967 Improve diagnostics for oneof decls by making the constructors for the elements use the named type for the oneof decl instead of the underlying (unnamed) oneof type. 
Swift SVN r302
 2011-03-21 21:55:46 +00:00
Chris Lattner
c9eb885752 Introduce top-level expressions and simplify TranslationUnitDecl (and various things that hack on it) by making it hold a single BraceExpr instead of a list of exprs and decls. 
Swift SVN r293
 2011-03-20 06:59:37 +00:00
Chris Lattner
6807ad7fb1 Move some type validity checking to SemaDecl::handleEndOfTranslationUnit, out of NameBinding. 
Swift SVN r287
 2011-03-19 06:41:26 +00:00
Chris Lattner
d23c2f26f3 Document and implement lexer and parser support for trivial import decls. No Sema/AST support yet. 
Swift SVN r285
 2011-03-18 22:52:48 +00:00
Chris Lattner
6ab4eec127 Two changes that got mixed up: 
#1: Change type conversion errors to print the types involved, making the diagnostic better.  We still don't have ranges, but it is progress.

#2: Reimplement support for anonymous closure arguments (e.g. func($0+$1)) where func takes a closure, step #1.
 - This removes AnonDecl, replacing it with AnonClosureArgExpr.  $0 and friends have to be expressions since they don't get a type and don't get resolved until TypeChecking.
 - For now we just replace the existing broken support, a future step is to implement type checking support for them.


Swift SVN r278
 2011-03-17 06:09:19 +00:00
Chris Lattner
ca1b16b9df Cleanup SemaExpr::ActOnDotIdentifier. 
Swift SVN r275
 2011-03-17 04:31:55 +00:00
Chris Lattner
d6d92deeb7 Wire DiagnoseUnresolvedType back up and clean up handling of vardecls. This now causes us to explode on tuples with default values so temporarily remove the tests. This also causes us to reject more anondecl tests since those aren't (re)implemented yet. 
Swift SVN r267
 2011-03-14 22:16:50 +00:00
Chris Lattner
c5506dc66e Capture the structure of a declared VarName in the ast as DeclVarName. 
Swift SVN r266
 2011-03-14 21:54:21 +00:00
Chris Lattner
db236941d0 Check in a massive rewrite of how sema works for expressions in an effort to make way for separate parsing, name binding, type checking phases. 
Highlights of this include:
1) most of SemaExpr is gone now, when parsing, all expressions are assigned null types.
2) the introduction of a new TypeChecking pass, which assigns types to expressions, and checks their constraints.
3) ElementRefDecl now properly stores an access path for what it is accessing, and ElementRefDecl's get added to the AST.
4) The parser is much much simpler for expressions now, it just collects lists of primary exprs into SequenceExprs unconditionally.
5) This means that formation of binary expressions, function application etc is now done by TypeChecking.  This is actually simpler, though admittedly surprising.
6) This introduces a new -parse-dump mode which just parses but does not perform name binding or type checking.

I've been working on this for a while and it is still quite broken: it still doesn't handle anondecls at all, doesn't perform conversion checking for default tuple elements, has missing pieces of varname name binding etc.  However, there is no reason to not crash land it now, it's not like I'm going to break anyone else.

Swift SVN r262
 2011-03-13 21:52:03 +00:00
Chris Lattner
b3e5c55fbc Change the parser methods to lower case to follow naming conventions. 
Swift SVN r256
 2011-03-06 23:28:17 +00:00
Chris Lattner
ddb760bf2b Remove the concept of an ASTConsumer, add a new TranslationUnitDecl. 
Swift SVN r255
 2011-03-04 22:08:34 +00:00
Chris Lattner
abb710acaa Minor code tidying + comments, add some expected error tests. 
Swift SVN r252
 2011-03-02 07:59:48 +00:00
Chris Lattner
bd4ccf1a55 Fix structs to require that their element type be a syntactic tuple. Rejecting the testcase. 
Swift SVN r251
 2011-03-02 07:11:34 +00:00
Chris Lattner
291967ceb0 Make ParseIdentifier do the string->identifier conversion, simplifying clients. no functionality change. 
Swift SVN r250
 2011-03-02 06:55:35 +00:00
Chris Lattner
61d62179ee Improve consistency by pushing Identifiers into Sema instead of StringRefs. 
Swift SVN r249
 2011-03-02 06:50:13 +00:00
Chris Lattner
b233848006 Tidy up and clean up code and error recovery in the parser. Add some templated allocation functions to ASTContext to simplify clients. 
Swift SVN r248
 2011-03-02 06:15:52 +00:00
Chris Lattner
272d9e8dad Propagate "there were errors in the input" out to the exit code of the swift app by adding a "HadError" bool to ASTContext. 
Swift SVN r244
 2011-03-01 07:59:53 +00:00
Chris Lattner
ffef30f2c3 Change name lookup of types to always succeed: if a type is used before it is defined, just cons up a new TypeAliasDecl for the unresolved type and return it. Diagnose these at the end of the translation unit instead of at their first use. 
Swift SVN r240
 2011-02-27 20:49:29 +00:00
Chris Lattner
80e1ae6104 Rework a bunch of stuff in the type system: now the *only* way to name a type is through a 'typealias' and there is no such thing as a OneOfDecl. Instead, we have OneOfType's, which are always anonymous. "oneof declarations" and "struct declarations" are now both just sugar. 
This eliminates the NamedTypeDecl class (because there is now only one named type decl), eliminates OneOfDecl, renames AliasTypeDecl to NameAliasTypeDecl for good measure, and introduces OneOfType.

This preserves all existing syntax, and allows stuff like this:

func test6(checkboxenabled : oneof { Yep, Nope }) {
  test6(:Yep)
}

Which is an anonymous oneof.

Swift SVN r237
 2011-02-26 02:03:01 +00:00
Chris Lattner
7bbe52b52a Expand the swift language to allow typealiases, oneof, and struct within a brace expression. This allows us to have shadowing of type names. 
Swift SVN r236
 2011-02-22 07:41:44 +00:00
Chris Lattner
6a1416b3b8 Revert my last patch. Instead of having a TypeScope and ValueScope, we'll just make Scope do both! 
Swift SVN r231
 2011-02-22 06:36:52 +00:00
Chris Lattner
e6f00fe1cc Rename the Scope class to ValueScope 
Swift SVN r230
 2011-02-22 06:30:18 +00:00
Chris Lattner
cb9b1838a6 Introduce and create a new TypeAliasDecl for typealiases. 
Swift SVN r227
 2011-02-22 05:47:08 +00:00
Chris Lattner
8234b6fd66 Add some sema for tuple elements which are specified with a default value. Still not used for conversions yet. 
Swift SVN r219
 2010-11-25 21:18:48 +00:00
Chris Lattner
f6d7adc4cb Parse tuple element types as value-specifier's, allowing them to have initializers. Sema isn't wired up yet though. 
Swift SVN r218
 2010-11-25 20:49:01 +00:00
Chris Lattner
bc616e9fcd Split the initializer syntax from var decls out to their own 'value-specifier' production 
Swift SVN r217
 2010-11-25 17:00:34 +00:00
Chris Lattner
28789d43d2 Resolve a fixme: use foo.$1 instead of foo.field1 
Swift SVN r216
 2010-11-11 23:04:29 +00:00
Chris Lattner
3bd8a85784 Fix weirdness in the lang spec by making $123 be a special type of implementation identifier token, handling it uniformly in the grammar in the few places that it is valid. 
Swift SVN r215
 2010-11-11 22:27:39 +00:00