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354 Commits

Author SHA1 Message Date
Doug Gregor
ac188c7d59 Implement type checking for the foreach loop and extend the AST to 
hold all of the various expressions and declarations we'll need to
understand its semantics.


Swift SVN r1596
 2012-04-24 20:22:36 +00:00
Doug Gregor
f997a781bf Parsing and basic AST representation for 'foreach' statement. 
Swift SVN r1594
 2012-04-24 18:12:44 +00:00
Doug Gregor
4fe85d698a Update LangRef documentation for subscript declarations and subscript 
expressions, with a fun little bit vector example.


Swift SVN r1532
 2012-04-20 16:47:26 +00:00
John McCall
66318f5e12 First round of type-checking for new-expressions: form 
the appropriate slice type and check the bounds.  The
first bound must be a literal or a type with a
getArrayBoundValue method, which has the same recursive
nature as getLogicValue (i.e. it can return a type that
has a getArrayBoundValue that returns an integral type,
but that's it;  it's capped at one hop).  The rest
of the bounds must be empty (meaning a slice) or
constant under the same conditions as fixed-size
array types.

Swift SVN r1501
 2012-04-19 21:05:37 +00:00
Doug Gregor
846aa7e162 Diagnose attempts to declare subscript operations outside of a type context. 
Swift SVN r1497
 2012-04-19 20:41:42 +00:00
Chris Lattner
df74bc03c0 lang ref and parser support for for statements. AST and sema next. 
Swift SVN r1493
 2012-04-19 18:25:48 +00:00
Doug Gregor
6897b6ab44 Add support for parsing a subscripting declaration, e.g., 
subscript (i : Int) -> Double {
    get { /* get ith element of something */ }
    set { /* set ith element of something to value*/ }
  }



Swift SVN r1476
 2012-04-18 21:43:54 +00:00
Doug Gregor
c99e526ae8 Refactor var-get-set grammar to a more general get-set grammar, to 
prepare for re-use in subscripting. No functionality change (yet).



Swift SVN r1475
 2012-04-18 20:54:58 +00:00
Doug Gregor
b7b8f171b3 Treat a function application A(b) as a coercion of the expression 'b' 
to the type named by A (when A is in fact a direct reference to a
type). If that coercion would fail, then fall back to invoking a
constructor. Fixes <rdar://problem/11272190>.



Swift SVN r1472
 2012-04-18 17:04:34 +00:00
John McCall
71157c65d5 Add parsing support, but no type-checking or IR-generation, 
for new expressions.

Swift SVN r1466
 2012-04-18 08:09:18 +00:00
John McCall
e487813986 Update the language spec for the type-array grammar change. 
Swift SVN r1463
 2012-04-18 08:09:06 +00:00
John McCall
e6d56fd718 Require an unspaced [ to start a subscript or array-type suffix. 
Per discussion, this should probably be "no newline since the last
token", but that decision should be made simultaneously for ( and [.

Swift SVN r1461
 2012-04-18 08:08:58 +00:00
Howard Hinnant
8528c79819 Rename types to first-letter-upper-case try #2. The test suite is now passing for me. 
Swift SVN r1447
 2012-04-17 01:27:23 +00:00
Eli Friedman
d5421f5b50 Update LangRef for the addition of '..'. 
Swift SVN r1446
 2012-04-17 00:37:48 +00:00
Ted Kremenek
b8127e1c7f Make some topics in types <h3> instead of <h4> to show up in TOC 
Swift SVN r1427
 2012-04-13 22:07:06 +00:00
Ted Kremenek
8b6f142a26 Wordsmith presentation of "fully-typed" types, add HTML links to this topic, 
and make header of this section match the name of the concept.

Swift SVN r1426
 2012-04-13 22:07:05 +00:00
Doug Gregor
bbd5dfcfdf Allow variables with a getter or setter to be declared in a 
struct/oneof/class extension, making them instance methods. Normal
variables are still not allowed in these contexts, however.

The fact that we set DeclContexts late causes some consternation here,
because it's not clear just how far we need to recurse in
DeclContext. I've done enough to make properties work, but I'm still
rather uneasy about the current state of affairs.


Swift SVN r1423
 2012-04-13 21:45:27 +00:00
Doug Gregor
0cc17a2481 Revert r1416; it shouldn't be committed until all tests have also been 
updated.


Swift SVN r1422
 2012-04-13 21:42:43 +00:00
Ted Kremenek
525ae6ad51 Add LangRef commentary that nested assignments are illegal, by design. 
Swift SVN r1421
 2012-04-13 20:26:50 +00:00
Ted Kremenek
91322c33ae Expound commentary on restricting the use of '=' as an operator. 
Also comment that '->' cannot be used as an operator either.

Swift SVN r1420
 2012-04-13 20:23:50 +00:00
Howard Hinnant
b15fcd6172 Make types have upper case first letter. Fixes <rdar://problem/10964069>. 
Swift SVN r1418
 2012-04-13 18:54:01 +00:00
Ted Kremenek
d571b747d6 Add comment to LangRef that '=' is not a user customizable operator identifier. 
Swift SVN r1417
 2012-04-13 18:29:38 +00:00
Doug Gregor
9def4fadf3 Actually make my getter/setter example well-formed. Thanks, Eli 
Swift SVN r1409
 2012-04-13 00:03:32 +00:00
Doug Gregor
6ce55acfc4 Parse getters and setters for variables. 
Swift SVN r1408
 2012-04-12 23:59:53 +00:00
Chris Lattner
2599a55231 add ~ as an operator. 
Swift SVN r1407
 2012-04-12 23:24:11 +00:00
Chris Lattner
b01c3bd989 We need to eventually add unicode identifier support, but it is beyond the scope of 
what I intend to do right now.



Swift SVN r1405
 2012-04-12 23:14:48 +00:00
Ted Kremenek
3e487d7ca9 Add HTML anchors for 'operator' grammar rules. 
Swift SVN r1404
 2012-04-12 22:52:55 +00:00
Chris Lattner
2e3c720e46 fix regex's for floating_literal because "0" is an integer literal not floating. 
Swift SVN r1396
 2012-04-11 22:22:27 +00:00
Chris Lattner
8b1244b072 fix an out of date example ted noticed. 
Swift SVN r1391
 2012-04-11 16:58:01 +00:00
Chris Lattner
1bb2443498 document and lex the basic and unicode escape characters. 
IRGen after lunch.



Swift SVN r1361
 2012-04-10 19:30:18 +00:00
Chris Lattner
e31361f174 Progress towards rdar://11216049 - Strings cannot span multiple lines, and \ is an 
escape character (not yet implemented).


Swift SVN r1360
 2012-04-10 18:14:27 +00:00
Chris Lattner
2745679df9 these types got renamed. 
Swift SVN r1353
 2012-04-10 01:47:27 +00:00
Chris Lattner
5650d08ddf implement parsing, AST, and sema support for simple strings, 
no irgen yet.


Swift SVN r1351
 2012-04-10 01:25:51 +00:00
Chris Lattner
c78bdcff0e Initial lexer support for string literals. The regex is trivial and will be extended in the future. 
Swift SVN r1348
 2012-04-10 00:38:13 +00:00
Chris Lattner
fbfb76a515 rename 'plus' methods to 'static' methods, resolving: 
<rdar://problem/10718220> Need a better name than 'plus' for "static" functions



Swift SVN r1340
 2012-04-06 17:50:43 +00:00
Eli Friedman
2493d2e862 Make LangRef for 'var' reflect what is currently implemented. 
Swift SVN r1326
 2012-04-05 02:20:41 +00:00
Eli Friedman
b65f969193 Replace ":foo" syntax for oneof members with ".foo". 
Swift SVN r1288
 2012-03-29 01:58:55 +00:00
Eli Friedman
8ece7c0103 Fix a few minor typos. 
Swift SVN r1241
 2012-03-20 01:23:44 +00:00
Eli Friedman
e52c4d6e1b Misc LangRef fixes. 
Swift SVN r1222
 2012-03-16 23:54:00 +00:00
Chris Lattner
90e3ac1355 document the auto_closure attribute, wrapping up 
rdar://10983400 - Need function argument attribute to enable autoclosure


Swift SVN r1193
 2012-03-11 14:22:35 +00:00
Chris Lattner
6151913713 remove obsolete description of logic_value. 
Swift SVN r1177
 2012-03-10 22:05:21 +00:00
Chris Lattner
f13a615e78 rename expr-anon-closure -> expr-explicit-closure. 
Change the wording to claim that $0 is only valid in an explicit
closure.  Add a note about possibly generalizing closure syntax in the future.


Swift SVN r1155
 2012-03-04 04:33:58 +00:00
Chris Lattner
601e401dfa document the forthcoming expr-anon-closure syntax, part of rdar://10666917 
Swift SVN r1151
 2012-03-02 01:30:18 +00:00
Chris Lattner
e40a27c6cb update langref for r1142 
Swift SVN r1145
 2012-03-01 23:58:48 +00:00
Chris Lattner
f8b363fc1f enforce a syntactic form that function argument lists must be parenthesized, part of 
rdar://10666966


Swift SVN r1144
 2012-03-01 23:46:14 +00:00
Chris Lattner
21c8b4dae9 implement a more-sane floating point literal syntax, adding support for 
exponents.  This resolves rdar://10877508


Swift SVN r1140
 2012-03-01 21:42:10 +00:00
Chris Lattner
1076367d73 implement rdar://10962528 - split up the int/fp literal lexing and grammar. 
This cleans up handling of int/fp literals by splitting them appart at the
lexer level.


Swift SVN r1137
 2012-03-01 19:06:55 +00:00
Chris Lattner
aa39667cae disallow destructuring a struct with a var, e.g.: 
struct point { x : int, y : int }
var (a, b) = foo()  // when foo returns a 'point'

allowing this breaks our fragility model (e.g. members can be added/removed from the struct) and this generally needs to be integrated with our pattern matching stuff.  rdar://10934540



Swift SVN r1135
 2012-03-01 18:45:15 +00:00
Chris Lattner
abb70d73eb remove dot syntax for tuple elements. Instead of (.x = 4, .y = 5) use the 
simpler and newfangled (x = 4, y = 5) syntax.  rdar://10962605


Swift SVN r1134
 2012-03-01 18:40:31 +00:00
Chris Lattner
17ea0a6670 finish my pass over LangRef, updating it and changing it and the parser to keep the grammars in sync. 
Swift SVN r1132
 2012-03-01 16:55:09 +00:00