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137 Commits

Author SHA1 Message Date
Chris Lattner
39660b5017 add langref and lexer support for return stmt. 
Swift SVN r492
 2011-08-03 22:43:57 +00:00
Chris Lattner
a64c74ec94 Replace lambda keyword with func. One annoying aspect of this that I didn't 
think about will occur when/if we want to support attributes on func expression.
That should look like "func [attributes]{ ... }" but now that requires looking
beyond that attributes to know if this is a funcdecl or funcexpr.  Nothing that
more heroic lookahead can't handle.



Swift SVN r486
 2011-08-03 00:28:11 +00:00
Chris Lattner
c3bbefcbaa add support for lambda expressions (anonymous functions), which are the thing that 
func is sugar for.  Unfortunately, we can't use 'func' without introducing ambiguity
since decls and exprs can exist in the same context, I'm not wed to 'lambda' as the
keyword, thoughts welcome.


Swift SVN r467
 2011-07-31 20:12:20 +00:00
Chris Lattner
0fc77abf5c Per discussion on swift-dev, unify 'meth' and 'func' syntax into just 'func' syntax 
where you can optionally declare a receiver type.  This is cleaner both conceptually
and in implementation, and eliminates drug references. :)


Swift SVN r444
 2011-07-24 20:11:35 +00:00
Chris Lattner
6fbe70dd87 convert TokenKind to a scoped enum, eliminating the old c++'98 hackaround to 
emulate it.


Swift SVN r442
 2011-07-24 19:28:36 +00:00
Chris Lattner
7275ca527a pull in StringRef and Twine. 
Swift SVN r422
 2011-07-19 06:00:20 +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
504ee85c0e introduce a 'meth' keyword. 
Swift SVN r414
 2011-07-19 04:19:40 +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
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
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
Chris Lattner
906ba908fd Rename 'data' to 'oneof', resolving a fixme in the spec. Yay for CLU! 
Swift SVN r212
 2010-11-11 01:20:36 +00:00
Chris Lattner
f92a3d56d7 Implement parser support for structs, improve datadecl dumping. 
Swift SVN r192
 2010-10-10 06:38:24 +00:00
Chris Lattner
43f2d1dfa5 wire up parser and basic sema support for scoped identifier expressions (X::Y). 
Swift SVN r180
 2010-10-09 23:01:17 +00:00
Chris Lattner
09a023c3cd Now that we have simple user defined data types, remove the __builtin_else_hack type. woot. 
Swift SVN r179
 2010-10-09 22:06:13 +00:00
Chris Lattner
17c36aa749 add parser support for simple data declarations 
Swift SVN r170
 2010-10-09 18:42:54 +00:00
Chris Lattner
d2abfde434 introduce a new builtin type to represent the result of the else binary operator (which is a temporary hack until we get user defined types). 
Use it to define ife/else.  Fix some precedence/parsing bugs that implementing else exposed. 

Swift SVN r162
 2010-08-08 22:37:56 +00:00
Chris Lattner
e1e335610f int is no longer a keyword, it is a type alias for the new __builtin_int32_type type. 
Swift SVN r146
 2010-08-04 05:27:45 +00:00
Chris Lattner
69133a6ed2 now that we have type aliases, eliminate void as a keyword. 
Swift SVN r145
 2010-08-04 05:16:37 +00:00
Chris Lattner
8f86874c19 add parser support for typealiases, we have to be able to exercise the canonical type system somehow. 
Swift SVN r143
 2010-08-04 04:42:13 +00:00
Chris Lattner
04f7a08621 add support for tuple field access with ".", e.g.: 
var a : (int, var f : int, int);
  var b = a.field0+a.field1+a.f;

This also eliminates TupleConvertExpr.

Swift SVN r137
 2010-08-03 06:55:08 +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
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
1103ff5227 Implement basic parser support for brace expressions. 
Swift SVN r69
 2010-07-23 18:33:49 +00:00
Chris Lattner
d8c6da6a3c tweak comments. void is no longer in the AST, but it shouldn't even 
be a keyword



Swift SVN r61
 2010-07-22 06:51:03 +00:00
Chris Lattner
ac1200cda5 rename Token::getLocation() to Token::getLoc() 
Swift SVN r54
 2010-07-22 05:55:04 +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
cea9a29739 fix some include guards and an uninitialized member 
Swift SVN r43
 2010-07-19 06:11:19 +00:00
Chris Lattner
a3164a1a1a add void type. 
Swift SVN r35
 2010-07-19 04:40:47 +00:00
Chris Lattner
66fe17ffdb parse some trivial binary expression, like: 
var x3 = 4+5*4+12/97;



Swift SVN r20
 2010-07-18 22:55:11 +00:00
Chris Lattner
3cd9e46705 add numeric constant support, we can now lex exciting stuff 
like this:

// Comment.

var x : int;
var x2 = 4;
var x3 = 4+5;



Swift SVN r11
 2010-07-18 19:01:18 +00:00
Chris Lattner
6236deaabc implement lexer support for identifiers and our 2 keywords so far. 
Swift SVN r10
 2010-07-18 18:57:12 +00:00
Chris Lattner
80ba9c7e66 add some more punctuator characters and // comments. 
Swift SVN r9
 2010-07-18 01:44:13 +00:00
Chris Lattner
461f41edb1 start lexing trivial tokens, discard whitespace between them. 
Swift SVN r8
 2010-07-18 01:32:14 +00:00
Chris Lattner
874badb51b consolidate lexer stuff into the Parser lib. 
Swift SVN r6
 2010-07-18 00:50:29 +00:00