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155 Commits

Author SHA1 Message Date
Chris Lattner
8c478d1cb7 remove the foreach keyword, switching foreach loops to use 'for' instead. 
This uses one-token lookahead to distinguish between the two forms.


Swift SVN r1710
 2012-05-02 01:06:06 +00:00
Chris Lattner
54c7c6ea74 Add some helper functions to help treat "spaced" lparen and lsquares uniformly. 
Swift SVN r1708
 2012-05-02 00:30:45 +00:00
Chris Lattner
c7e68a4a8b langref and lexer support for character literals. 
Swift SVN r1671
 2012-04-27 05:51:30 +00:00
Doug Gregor
f997a781bf Parsing and basic AST representation for 'foreach' statement. 
Swift SVN r1594
 2012-04-24 18:12:44 +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
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
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
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
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
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
f1db6de509 remove the :: token and DCE UnresolvedScopedIdentifierExpr. 
Swift SVN r1043
 2012-01-14 07:00:45 +00:00
Chris Lattner
378f91b07f add lexer support for the new & terrible 'plus' keyword. 
Swift SVN r946
 2011-12-21 22:17:14 +00:00
Doug Gregor
d0dd4d44bc Surface the Token and Lexer headers as public headers, since we're 
going to need to be able to use the lexer from the 'swift' tool itself.


Swift SVN r851
 2011-11-09 21:09:49 +00:00
Chris Lattner
26f66a8b24 move all the parser headers into lib/Parse since they are now all private. 
I chose to just delete the -lex action in swift, since it was only useful for
about 10 minutes during bringup and probably never will be again.




Swift SVN r557
 2011-08-13 22:51:04 +00:00
Chris Lattner
36f5427de3 Make the lexer disambiguate between a ( that is the start of an expression and a ( that is the start of 
a call argument list.


Swift SVN r508
 2011-08-12 01:46:39 +00:00
Chris Lattner
9e6817b3cd implement lexer, parser, and dox support for while loops, everything is hooked up now. 
Swift SVN r502
 2011-08-11 20:47:33 +00:00
John McCall
944183d985 Split tok::oper out of tok::identifier. No functionality change. 
The consumeToken(Tok.getKind()) is terrible, but will disappear when
most of these cases have operators stripped out.



Swift SVN r500
 2011-08-11 06:17:31 +00:00
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