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269 Commits

Author SHA1 Message Date
Nikita Popov
46cbd9393a Place Nop nodes more precisely 
If the Nop is created to collect comments, place it directly after
the comment, instead of at the next non-whitespace character.
 2020-02-09 17:10:33 +01:00
Nikita Popov
664c10121e Add support for union types 
We definitely need to introduce a general "Type" abstraction in
the next major version.
 2019-11-08 14:45:32 +01:00
Nikita Popov
eacc5dbe19 Default to using php-yacc to generate the parsers 2019-10-19 15:24:38 +02:00
Nikita Popov
3226eb4086 Accept KMYACC env var in rebuildParsers.php 2019-10-19 12:28:45 +02:00
Nikita Popov
54c37f6b3b Remove -l flag from kmyacc invocation 
For PHP this doesn't do anything anyway.
 2019-10-19 11:14:42 +02:00
Nikita Popov
94d93f27a5 Revert "Recover from error inside alternative array deref syntax" 
This reverts commit 9d44edf85d.
 2019-05-24 22:58:13 +02:00
Nikita Popov
9d44edf85d Recover from error inside alternative array deref syntax 
This is to improve error recovery for cases like #545.
 2019-05-12 11:38:15 +02:00
Nikita Popov
60d025a914 Fix attributes for zero-length nop nodes 
Previously zero-length nop nodes used the lookahead start attributes
and current end attributes. This choice ends up being somewhat weird,
because the end attributes will be the at the last non-whitespace,
non-comment token, which might be quite far back. More problematically,
we may not have encountered any non-discarded token if we're at the
start of the file, in which case we will have no end attributes to
assign.

Change things to use a canonical "zero-length" node representation,
where the end position (token & file) will be exactly one before the
start position.

Fixes #589.
 2019-05-11 20:01:25 +02:00
Tomas Votruba
8012faea54 [PHP 7.4] Add array spread 2019-05-09 19:15:35 +02:00
Tomáš Votruba
f3b19c19ef [PHP 7.4] Add support for arrow functions (#602) 
Per RFC https://wiki.php.net/rfc/arrow_functions_v2.
 2019-05-09 14:17:28 +02:00
Tomas Votruba
9de96821f7 Add support for ??= operator 
Introduced in PHP 5.4, represented using an AssignOp\Coalesce node.
 2019-02-09 11:16:26 +01:00
Nikita Popov
6b9dd7afe7 Avoid redundant argument 2019-01-12 17:31:37 +01:00
Tomas Votruba
af8c729603 Add PHP 7.4 typed properties support 2019-01-05 21:34:25 +01:00
Tomas Votruba
0ef61b49bb add float/double/real KIND support to Cast\Double node 2019-01-05 19:23:00 +01:00
Nikita Popov
f42bbc2403 Avoid default action for error production 
error is not necessarily going to have a semantic value, make sure
that the default action $$=$1 is not used.

Fixes #551.
 2018-11-30 11:00:48 +01:00
Nikita Popov
3d0f7843d4 Support error recovery for missing return type 
The return type is set to "null" in this case.

Fixes #544.
 2018-10-25 16:56:50 +02:00
Nikita Popov
5f73c4de80 Flexible doc: Validate end label indentation 
Move doc string parsing logic from rebuildParsers.php and
String_::parseDocString() into ParserAbstract. This stuff is
going to get complicated now.

For now only implement the validation of the indentation on the
end label.
 2018-09-21 16:31:17 +02:00
Nikita Popov
8b1c9c0409 Store comment at end of class in Nop statement 
Fixed #509.
 2018-07-07 12:49:49 +02:00
Nikita Popov
f967b867d5 Improve error recovery in arrays 
Similarly to missing semicolons, the error is not indicated in the
AST.

Fixes #512.
 2018-07-07 12:24:06 +02:00
Nikita Popov
7b201b63d2 Error recovery for functions without body 2018-05-13 16:28:08 +02:00
Nikita Popov
01e85a26c6 Support recovery for param without variable 
We store an Expr\Error for the variable in this case.
 2018-05-12 19:49:39 +02:00
Nikita Popov
fa99c3fbfb Recover from foreach without as 2018-04-28 22:31:45 +02:00
Nikita Popov
7208b1c7ac Improve error recovery in classes (#492) 2018-03-30 16:03:03 +02:00
Nikita Popov
7f8ff1b9a4 Add support for list reference assignments 
RFC: https://wiki.php.net/rfc/list_reference_assignment
 2018-03-10 16:48:20 +01:00
Nikita Popov
91a462ce76 PHP 7.3: Add support for trailing commas in calls 
RFC: https://wiki.php.net/rfc/trailing-comma-function-calls
 2018-03-10 16:41:20 +01:00
Nikita Popov
ad9c42b66a Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php5.php
	lib/PhpParser/Parser/Php7.php
 2018-01-30 23:07:11 +01:00
Nikita Popov
08215e7646 Fix duplicate switch comment assignment 
Fixes #469.
 2018-01-30 23:06:20 +01:00
Nikita Popov
92b39e3d1f Fix nNextFreeElement for arrays with trailing comma 
Ugh.
 2017-12-26 21:17:36 +01:00
Nikita Popov
a75164c77e Rename YYNLSTATES to numNonLeafStates 2017-11-12 16:09:00 +01:00
Brad Mostert
837579a40c Fix spelling in documentation (#434) 2017-10-31 22:47:42 +01:00
Nikita Popov
b241a121a3 Fix trait alias to semi-reserved name parsing 
This was missing the explicit construction of an Identifier node.
 2017-10-29 14:15:48 +01:00
Nikita Popov
cc600b67f6 Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php5.php
	lib/PhpParser/Parser/Php7.php
 2017-10-01 16:55:54 +02:00
Nikita Popov
d418bf3951 Preserve comments on empty blocks (#382) 2017-10-01 16:54:43 +02:00
Nikita Popov
5cfdc2e0a7 Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php5.php
	lib/PhpParser/Parser/Php7.php
	test/PhpParser/ParserTest.php
 2017-09-26 18:46:44 +02:00
Nikita Popov
5a9fbca54a Add attribute for namespace kinds (#417) 
One of KIND_SEMICOLON or KIND_BRACED.
 2017-09-26 18:45:05 +02:00
Pascal
94b5017e89 Fix missing semicolon in yacc grammar files (#403) 2017-07-30 12:23:40 +02:00
Nikita Popov
4fea054ee0 Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php7.php
 2017-06-28 23:06:38 +02:00
Nikita Popov
7f862ac21c Add support for trailing comma in group use 2017-06-28 23:05:28 +02:00
Nikita Popov
a6846e3b71 Always use Identifier nodes 
The parser will now always generate Identifier nodes (for
non-namespaced identifiers). This obsoletes the useIdentifierNodes
parser option.

Node constructors still accepts strings and will implicitly create
an Identifier wrapper. Identifier implement __toString(), so that
outside of strict-mode many things continue to work without changes.
 2017-04-28 20:57:32 +02:00
Nikita Popov
f291a19fd5 Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php7.php
 2017-02-26 23:13:21 +01:00
Nikita Popov
c12a4c8239 Fix start attribute assignment for Error in ClassConstFetch 2017-02-26 23:00:38 +01:00
Nikita Popov
9f5ec5a69a Merge branch '3.x' 
Conflicts:
	lib/PhpParser/Parser/Php5.php
	lib/PhpParser/Parser/Php7.php
	test/code/parser/stmt/class/name.test
 2017-02-09 20:38:33 +01:00
Nikita Popov
df98b0417b Handle "extends static" etc more gracefully 
Use class_name production and emit the same error as for
"extends self" and "extends parent". It's weird that "extends
static" gives a different result than those two.
 2017-02-09 18:43:09 +01:00
Nikita Popov
a8eb2fc675 Support recovery from invalid trailing commas 2017-02-09 00:35:12 +01:00
Nikita Popov
865bfb2acf Merge branch '3.x' 
Conflicts:
	grammar/php7.y
	lib/PhpParser/Parser/Php7.php
	test/code/parser/expr/uvs/globalNonSimpleVarError.test
	test/code/parser/stmt/namespace/groupUseErrors.test
 2017-02-05 17:50:54 +01:00
Nikita Popov
62877b5d14 Recover from missing semicolons on statements 2017-02-05 17:47:56 +01:00
Nikita Popov
8f623fb241 Use closures instead of methods for semantic actions 
The dispatch using $this->{'reduceRule' . $rule}() is very expensive
because it involves
 * One allocation when converting $rule to a string
 * Another allocation when concatenating the two strings
 * Lowercasing during the method call
 * Various uncached method checks, e.g. visibility.

Using an array of closures for semantic action dispatch is
significantly more efficient.
 2017-02-05 11:58:45 +01:00
Nikita Popov
3bbf8d8f7a Use local var for $stackPos 
We're accessing $this->stackPos a lot, and property accesses are
much more expensive than local variable acesses. Its cheaper to
use a local var and pass it as an argument to semantic actions.
 2017-02-05 11:57:21 +01:00
Nikita Popov
414adfb146 Drop useNopStatements option 2017-01-20 22:29:41 +01:00
Nikita Popov
b5fb6f2d0a Don't require useNopStatements=false for format preservation 
Instead assign attributes on Nop nodes and in the pretty printer
specially handle end<start offsets. It's a somewhat weird case,
but not wrong per se given the meaning the offsets have.
 2017-01-20 22:27:51 +01:00