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268 Commits

Author SHA1 Message Date
Xi Ge
4c3d3b4294 [test] libSyntax: make sure we can handle emoji. (#15297) 2018-03-16 15:24:59 -07:00
Dexin Li
e0f8b27117 [Syntax]Add a deserializer that convert json to libSyntax tree (#15203) 2018-03-16 15:22:04 -07:00
Xi Ge
a121ce65ca Syntax: add APIs to help syntax tree serialization. NFC (#15241) 2018-03-14 13:12:31 -07:00
Harlan
aa1059c9a3 [Syntax] Parse WhileStmtSyntax nodes (#15186) 2018-03-12 17:50:07 -04:00
Xi Ge
94c3f55117 libSyntax: extract meta-information of trivia kinds to syntax_gyb_support. NFC 
The existing libSyntax infrastructure uses external python
dictionaries to share logic between C++ and Swift implementations.
This patch teaches trivia kinds to adapt to this infrastructure
 as well.
 2018-03-06 17:45:43 -08:00
omochimetaru
22cddbf033 [Syntax] Parse invalid chars as trivia 2018-03-06 08:25:09 -08:00
omochimetaru
190af6c063 [Syntax] support nul character as garbage trivia 2018-03-05 16:53:24 +09:00
omochimetaru
d12542503f [Syntax] test diagnostics in Lexer with libSyntax (#14954) 2018-03-04 08:53:54 +09:00
Rintaro Ishizaki
6c0af2a24f [Syntax] Introduce CodeBlockItem (#14458) 
CodeBlockItem represents Decl, Stmt or Expr that optionally followed by
semi-colon.
SourceFile syntax holds a list of CodeBlockItem.
 2018-02-08 10:31:01 +09:00
Rintaro Ishizaki
1eedcb7682 [Syntax] Parse '->' in sequence expression 2018-02-06 15:06:00 +09:00
Rintaro Ishizaki
e6307708d1 [Syntax] Parse 'type(of: <expr>)' syntax 
In libSyntax, this is just a FunctionCallExpr.
 2018-02-06 15:06:00 +09:00
Rintaro Ishizaki
5dc6b78457 [Syntax] Parse generic specialize expression 2018-02-06 15:05:59 +09:00
Rintaro Ishizaki
6ad01da279 [Syntax] Support parsing empty array expression. 2018-02-06 13:03:41 +09:00
Rintaro Ishizaki
ba58a2994d [Syntax] Parse associatedtype declaration 
Also, added generic where clause to typealias declaration.
 2018-02-06 09:33:12 +09:00
Rintaro Ishizaki
62eb27110d [Syntax] Parse 'init', 'deinit' and 'subscript' decl syntax 2018-02-05 19:15:46 +09:00
Harlan
5e02d2a877 Implement #warning and #error (#14048) 
* Implement #warning and #error

* Fix #warning/#error in switch statements

* Fix AST printing for #warning/#error

* Add to test case

* Add extra handling to ParseDeclPoundDiagnostic

* fix dumping

* Consume the right paren even in the failure case

* Diagnose extra tokens on the same line after a diagnostic directive
 2018-02-03 18:07:05 -05:00
Rintaro Ishizaki
fced748790 [Syntax] Represent missing optioanl nodes as nullptr (#14300) 
Allocating RawSyntax/SyntaxData for missing optional node is a waste of
resource.
 2018-01-31 19:24:00 +09:00
Rintaro Ishizaki
d48a2a4071 [JSONSerialization] Compact output for empty objects and arrays 
Now, they are represented as `{}` and `[]` instead of:
  {

  }
and
  [

  ]
 2018-01-30 15:40:17 +09:00
Rintaro Ishizaki
9bf4c8af05 [Syntax] Allow tok::dollarident (e.g. $0) for IdentifierExpr 2018-01-23 19:15:06 +09:00
Rintaro Ishizaki
46d681c614 [Syntax] Allow 'self' and 'Self' keyword for IdentifierExpr 2018-01-23 19:15:06 +09:00
Rintaro Ishizaki
bb7cf377ad [Syntax] Parse \.[0-9] expression as MemberAccessExpr 2018-01-23 19:15:06 +09:00
Rintaro Ishizaki
7f9578e5f3 [Syntax] Parse "dot self" expression nodes 2018-01-23 19:15:06 +09:00
Rintaro Ishizaki
0780c529c4 [Syntax] Unify RawSyntax and RawTokenSyntax using union and TrailingObjects 
It better matches with SwiftSyntax model.

Using TrailingObjects reduces the number of heap allocation which
gains 18% performance improvement.
 2018-01-18 14:49:46 +09:00
Xi Ge
71af76a87e libSyntax: optionally emit diagnostics for unknown expressions and declarations. (#13973) 
With more syntax nodes being specialized, we'd like this
straight-forward way to pinpoint unknown entities. This diagnostics
is only issued in -emit-syntax frontend action and swift-syntax-test
invocation.
 2018-01-16 16:14:57 -08:00
Xi Ge
031488bada libSyntax: several enhancements on source location bridging. (#13956) 
libSyntax nodes don't maintain absolute source location on each
individual node. Instead, the absolute locations are calculated on
demand with a given root by accumulating the length of all the other
nodes before the target node. This bridging is important for issuing
diagnostics from libSyntax entities.

With the observation that our current implementation of the source
location calculation has multiple bugs, this patch re-implemented this
bridging by using the newly-added syntax visitor. Also, we moved the function
from RawSyntax to Syntax for better visibility.

To test this source location calculation, we added a new action in
swift-syntax-test. This action parses a given file as a
SourceFileSyntax, calculates the absolute location of the
EOF token in the SourceFileSyntax, and dump the buffer from the start
of the input file to the absolute location of the EOF. Finally, we compare
the dump with the original input to ensure they are identical.
 2018-01-15 16:39:17 -08:00
Xi Ge
6cd5d0bf5e libSyntax: parse several magic identifier expressions. 
They include #column, #file, #function and #dsohandle.
 2018-01-10 18:02:02 -08:00
Xi Ge
7e4e7ff0bc libSyntax: parser object literal expressions. 
This includes color, image and file literals.
 2018-01-10 15:38:11 -08:00
Xi Ge
95f09d057e libSyntax: parse editor placeholder expression. (#13840) 2018-01-09 17:23:42 -08:00
Xi Ge
21f4564877 libSyntax: parse key path expressions. (#13813) 2018-01-08 20:54:53 -08:00
Xi Ge
1170a4ff01 libSyntax: parse InOut expression. (#13815) 2018-01-08 18:00:33 -08:00
Xi Ge
22ce6934bd libSyntax: parse string interpolation expression. (#13708) 
A string interpolation expression is composed of { OpenQuote, Segments,
CloseQuote }. To represent OpenQuote, CloseQuote and StringSegment, we have to
introduce new token kinds correspondingly.
 2018-01-03 20:41:34 -08:00
Rintaro Ishizaki
2855c9e693 [Syntax] Add support for compound name in expressions (#13630) 2018-01-02 10:53:41 -08:00
Rintaro Ishizaki
01f42c89d3 Merge pull request #13631 from omochi/lex-escape-backtick 
[Parse] Lexer build backtick trivia around espaced identifier token
 2017-12-29 12:36:00 +09:00
Yurii Samsoniuk
d5771cea6b Added extension specialization to libSyntax 2017-12-29 01:27:26 +09:00
omochimetaru
36adae8ce8 [Syntax] add test for escaped identifier 2017-12-29 00:22:38 +09:00
Rintaro Ishizaki
002cfe5136 [Syntax] Add test cases for fixed round trip failures. 2017-12-27 17:49:33 +09:00
Rintaro Ishizaki
8d33f763a4 [Syntax] Parse "implicit member expression " and its postfixes 
Unlike libAST, parse '.foo(a)' as:
  <call><implicit-member>.foo</implicit-member><args>a</args></call>
 2017-12-25 18:52:41 +09:00
Rintaro Ishizaki
b46bb721c6 [Syntax] Parse "super" and its postfix expressions 2017-12-25 17:47:36 +09:00
Rintaro Ishizaki
5d65b2f510 [Syntax] Parse several suffix expression nodes 
* FunctionCallExpr
* SubscriptExpr
* OptionalChainingExpr
* ForcedValueExpr
* PostfixUnaryExpr
 2017-12-25 17:21:05 +09:00
Rintaro Ishizaki
1dc6a3f775 [Syntax] Parse "for-in statement" node 2017-12-23 12:20:34 +09:00
Rintaro Ishizaki
1e83ad2cbf [Syntax] Parse "if statement" and "guard statement" nodes 2017-12-23 12:20:34 +09:00
Rintaro Ishizaki
d01f5d1da3 [Syntax] Parse "statement condition" nodes 2017-12-23 12:20:34 +09:00
Rintaro Ishizaki
cd5fdff9bb [Syntax] Parse "repeat-while statement" syntax node 2017-12-21 17:16:26 +09:00
Rintaro Ishizaki
8830fdda34 [Syntax] Parse "do statement" syntax node 2017-12-21 17:16:03 +09:00
Rintaro Ishizaki
f102636d85 [Syntax] Parse basic statement nodes 
* ReturnStmt -> 'return' expr?
* BreakStmt -> 'break' identifier?
* ContinueStmt -> 'continue' identifier?
* FallthroughStmt -> 'fallthrough'
* ThrowStmt -> 'throw' expr
* DeferStmt -> 'defer' code-block
 2017-12-21 13:30:55 +09:00
Xi Ge
b4da5a3c31 libSyntax: use node choice for dictionary expression. 
This allows us to support empty dictionary literal.
 2017-12-20 18:23:23 -08:00
Rintaro Ishizaki
87ea7bd9d3 [Syntax] Add test case for unresolved matching patterns 
Patterns those are parsed as ExpressionPattern at first, then resolved
to actual patterns:

* OptionalPattern -> pattern '?'
* AsTypePattern -> pattern 'as' type
* EnumCasePattern -> type? '.' identifier tuple-pattern
 2017-12-20 20:24:34 +09:00
Rintaro Ishizaki
93a74fea44 [Syntax] Parse "is type pattern" syntax node 2017-12-20 19:59:22 +09:00
Rintaro Ishizaki
89d9993f59 [Syntax] Parse matching pattern syntax node 
Added support for ExprPattern and UnresolvedPatternExpr.
 2017-12-20 19:47:32 +09:00
Rintaro Ishizaki
bc768b6e0e [Syntax] Parse "value binding pattern" nodes 2017-12-20 18:22:08 +09:00