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1486 Commits

Author SHA1 Message Date
Chris Lattner
c2fdbb65c6 Tuple types with a single element are now valid. var x : (((int))); is now a triply nested tuple. To make this work, values are allowed to convert to tuples with one element. 
Swift SVN r130
 2010-08-01 07:02:05 +00:00
Chris Lattner
9b30ba0b2c refactor function body parsing+sema a bit. 
Swift SVN r126
 2010-08-01 04:55:49 +00:00
Chris Lattner
483b8a242d Enhance HandleConversionToType to take a conversion reason and to produce diagnostics itself instead of relying on clients to do it. 
Swift SVN r118
 2010-07-30 20:04:57 +00:00
Chris Lattner
b3c9942644 Rework handling of sequence expressions and juxtaposition to eagerly bind arguments to functions. This means that in situations like: 
foo (_0)  bar (_0)

that _0 will be bound properly and individually to foo and bar when they are functions, but if they aren't, then this is just one big 4-element sequence.

Swift SVN r115
 2010-07-30 17:53:43 +00:00
Chris Lattner
ba04392294 Tighten up sema of anon closure arguments to reject invalid code like this: 
func funcdecl6(a : int, b : int) -> (int,int) -> int = _0+_1;
var funcdecl7 : (int,int)->(int,int)->int = _0+_1;

It's not valid to bind anon closure arguments to functions, use named arguments instead.

Swift SVN r112
 2010-07-28 06:51:12 +00:00
Chris Lattner
667078650a Implement support for anonymous closure arguments. For example, we can now compile this: 
var func6 : ((int,int) -> int) -> ();  // Takes a function, returns nothing.
func funcdecl5() {
  func6(_0 + _1);         // Closure with two named anonymous arguments
}
into:

  (apply_expr type='()'
    (declref_expr type='(int, int) -> int -> ()' decl=func6)
    (closure_expr type='(int, int) -> int'
     (anondecl '_0' type='int')
     (anondecl '_1' type='int')
     (tuple_expr type='int'
      (binary_expr '+' type='int'
       (declref_expr type='int' decl=_0)
       (declref_expr type='int' decl=_1))))))))

However, there are still some problems with this (and we're definitely not doing type inference yet, all anon args are assumed 'int').

Swift SVN r111
 2010-07-28 06:25:16 +00:00
Chris Lattner
874421d4ce Implement AST and Sema support for auto-closures. We now parse: 
var closure1 : () -> int = 4;  // Function producing 4 whenever it is called.
var closure2 : (int,int) -> int = 4; // Has some (dead) arguments.

into:

(vardecl 'closure1' type='() -> int'
 (closure_expr type='() -> int'
  (integer_literal type='int' value=4)))
(vardecl 'closure2' type='(int, int) -> int'
 (closure_expr type='(int, int) -> int'
  (integer_literal type='int' value=4)))


Swift SVN r101
 2010-07-27 06:27:02 +00:00
Chris Lattner
fef3e71b42 stub out parsing of func declarations. 
Swift SVN r95
 2010-07-27 05:32:16 +00:00
Chris Lattner
7e0123c768 Kill off add/sub/mul/div as special AST nodes. Instead, + is just yet-another identifier token and BinaryExpr is a generalized infix call expression. 
Swift SVN r88
 2010-07-25 19:16:45 +00:00
Chris Lattner
cd99eee0c6 Add parser support and stub out a SemaExpr callback for sequence exprs, the foundation of function calls. 
Swift SVN r83
 2010-07-24 22:07:23 +00:00
Chris Lattner
9b42d1b273 enhance parenexpr to be tupleexpr. The grouping paren case is just a special case of a tuple literal with one child. 
Swift SVN r81
 2010-07-24 21:24:44 +00:00
Chris Lattner
94110869e0 add support for parsing attribute lists, and add the first attribute, infix=42. It is now parsed and slammed into the AST, but not used. 
Swift SVN r79
 2010-07-24 20:44:56 +00:00
Chris Lattner
2bafb0e8fb Introduce new NamedDecl and FuncDecl classes. The difference between the two is syntactic sugar, so most clients want NamedDecl. This doesn't implement FuncDecl yet, which isn't a high prio for me in the short term. 
Swift SVN r77
 2010-07-24 19:09:09 +00:00
Chris Lattner
9a0d6c735a change the handling of nullable so that hte parser actually checks for the error and only invokes sema if the inputs are valid, tidying up some code. 
Swift SVN r76
 2010-07-24 18:52:46 +00:00
Chris Lattner
315107d5c6 Use the new NullablePtr<> class to allow better error recovery when parsing invalid expressions. 
Swift SVN r74
 2010-07-24 18:48:37 +00:00
Chris Lattner
05730aaef0 Properly treat tuples types with one element as grouping parens. Teach ActOnParenExpr to do the right type propagation. 
Swift SVN r72
 2010-07-24 09:34:38 +00:00
Chris Lattner
06faa365a7 Implement sema support for shadowed declarations. 
Swift SVN r71
 2010-07-24 06:46:48 +00:00
Chris Lattner
1103ff5227 Implement basic parser support for brace expressions. 
Swift SVN r69
 2010-07-23 18:33:49 +00:00
Chris Lattner
58185415a1 now that we have name lookup, we can implement references to 
other values.  crazzay.


Swift SVN r67
 2010-07-23 05:48:20 +00:00
Chris Lattner
82ea1aefd6 eliminate unneeded complexity. 
Swift SVN r66
 2010-07-23 04:38:44 +00:00
Chris Lattner
f248ffb53a Introduce a scope abstraction, the next step to implementing 
name lookup.


Swift SVN r65
 2010-07-23 04:37:16 +00:00
Chris Lattner
7ff4cc6e21 split the decl processing stuff in Sema out into a new 
SemaDecl class where it belongs.  Tidy up headers a bit.


Swift SVN r64
 2010-07-23 04:13:53 +00:00
Chris Lattner
8bf327b648 add a new AST/Identifier class which represents a uniqued string. 
Add support to ASTContext to unique strings into identifiers.


Swift SVN r62
 2010-07-23 03:40:02 +00:00
Chris Lattner
49b3c52843 implement parser support for function types. 
Swift SVN r50
 2010-07-22 02:11:49 +00:00
Chris Lattner
b1d25371e3 type things as VarDecl instead of as Decl, return things by value from 
void parse methods.


Swift SVN r48
 2010-07-22 00:47:53 +00:00
Chris Lattner
aa126e87f9 add a new SemaType module, add parser support for tuples. 
Add lexer support for ->.  Expand the testcase.


Swift SVN r47
 2010-07-21 07:17:43 +00:00
Chris Lattner
2eeee5faca give ASTContext a SourceMgr reference, add diagnostic hooks to SemaBase. 
Swift SVN r39
 2010-07-19 05:13:55 +00:00
Chris Lattner
c5e54442b4 make the parser actually create VarDecl AST nodes. 
Swift SVN r38
 2010-07-19 05:08:21 +00:00
Chris Lattner
a63671f116 add binary expression ast node. 
Swift SVN r31
 2010-07-19 00:57:54 +00:00
Chris Lattner
a39a7ec6a2 make the sema methods be prefixed with ActOn 
Swift SVN r29
 2010-07-19 00:46:09 +00:00
Chris Lattner
66199fa090 implement a new IntegerLiteral ast node, add plumbing for 
allocation of exprs from ASTContext.


Swift SVN r28
 2010-07-19 00:42:30 +00:00
Chris Lattner
d6edeb7a8b thread Expr* results through the parser and SemaExpr. 
Swift SVN r27
 2010-07-19 00:15:02 +00:00
Chris Lattner
910f84b6ae thread astcontext from the driver, down through Sema. 
Swift SVN r26
 2010-07-19 00:07:47 +00:00
Chris Lattner
d3756f2627 Sketch out the new AST library, lets start with expressions. 
Swift SVN r25
 2010-07-19 00:05:11 +00:00
Chris Lattner
b45fe8abf5 set up semaexpr and sema base. Give SemaExpr a couple trivial methods. 
Swift SVN r24
 2010-07-18 23:54:47 +00:00
Chris Lattner
68a2d3a33c stub out the Sema object. 
Swift SVN r21
 2010-07-18 22:59:13 +00:00