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217 Commits

Author SHA1 Message Date
nikic
a249c002dd Add support for ClassName::class (PHP 5.5) 2013-02-14 21:46:58 +01:00
nikic
fbaa1e5fc3 Add information on expected tokens to syntax errors 
This now mimics the error messages provided by PHP itself (pre 5.4).
 2013-01-15 17:30:14 +01:00
nikic
222c9612ab Use RegexIterator in docs (by @lstrojny) 
Also fix formatting in changelog and be more specific in a doc comment.
 2012-12-21 13:28:35 +01:00
nikic
cdbad02fb2 Fix endAttributes assignment 
The end attributes previously were always assigned from the last read token,
which does not necessarily correspond to the last token in the reduced rule.
In particular this occurs if the parser read a new token and based on that
lookahead decided to reduce a rule. The behavior was only correct if the
newly read token was first shifted and then the rule was reduced.

This is fixed by buffering the endAttributes of the new token in a temporary
variable and only assigning them once the token is shifted.
 2012-11-20 16:12:19 +01:00
nikic
759c04db9b Turn rebuildParser.php into a CLI script 
The paths are now more generic so it can be run from any directory, not
just grammar/.
 2012-10-19 19:11:47 +02:00
nikic
9e43acee2c Scalar_String::create() -> Scalar_String::parse() 
Directly creating the node isn't necessary anymore, the token only needs
to be parsed. This makes it consistent with the other scalar parsing
methods and removes the need to pass $arguments around.
 2012-10-19 15:17:08 +02:00
nikic
af5d288fb3 Add support for expressions in empty (PHP 5.5) 
Apart from the grammar modifications this also renames the Empty subnode
from var to expr. This breaks BC.
 2012-09-07 23:42:01 +02:00
nikic
f6c1ab6657 Adjust list and yield parsing, update prettyprinter 
* nested list()s will now create nested List nodes (instead of just
   nested arrays)
 * yield $k => $v was parsed with key and value swapped. This is now fixed
 * the pretty printer now works with the newly added language constructs
 2012-09-07 23:41:59 +02:00
nikic
4259b44a84 Add support for constant dereferencing (PHP 5.5) 
Examples: "foo"[2], [1, 2, 3][2]
 2012-09-07 23:41:58 +02:00
nikic
417a8bb07e Add support for yield expressions (PHP 5.5) 
This adds a new Yield expression type, with subnodes key and value.
 2012-09-07 23:41:57 +02:00
nikic
ae3774f0f2 Add support for finally clauses (PHP 5.5) 
This adds a new finallyStmts subnode to the TryCatch node. If there is
no finally clause it will be null.
 2012-09-07 23:41:56 +02:00
nikic
f8f1e17e41 Add support for list() in foreach (PHP 5.5) 
Example: foreach ($coords as list($x, $y)) { ... }

This change slightly breaks backwards compatability, as it changes the
node structure for the previously existing `list(...) = $foo` assignments.
Those no longer have a dedicated `AssignList` node; instead they are
parsed as a normal `Assign` node with a `List` as `var`. Similarly the
use in `foreach` will generate a `List` for `valueVar`.
 2012-09-07 23:41:55 +02:00
nikic
8d218110db Fix some doc comments 2012-09-07 23:41:54 +02:00
nikic
5a947e9843 Fix parsing of $foo =& new Bar; 
By-reference assignments of new expressions are now parsed as AssignRef
(instead of just Assign).

Closes issue #31.
 2012-07-23 11:36:47 +02:00
nikic
e16513a0eb Fix parsing of new expressions in parenthesis 
The new dereferencing syntaxes (new Foo)->bar and (new Foo)['bar'] were
causing a shift/reduce conflict with the '(' expr ')' rule. When
(new Foo) was encountered (without dereference operators following) the
parser thus threw a parse error.

The fix simply adds a special '(' new_expr ')' rule to expr. This does not
remove the shift/reduce conflict itself, but makes it irrelevant.

This fixes issue #20.
 2012-05-12 14:11:10 +02:00
nikic
dd711f2a04 Generalize the attribute generation for nodes 
Now two arrays are fetched from the lexer: $startAttributes and
$endAttributes. When constructing the attributes for a node, the
$startAttributes from the first token of the node and the $endAttributes
of the last token of the node are merged.

Now the end line is saved in the endLine attribute.
 2012-05-05 17:34:27 +02:00
nikic
2f5ebf7c4d Store line and doc comment as attributes 2012-05-04 10:16:59 +02:00
nikic
f66a672dd0 Start refactoring parser skeleton 
The yacc parser skeleton with all those odd $yy short names is quite
non-obvious. This commits starts to refactor it a bit, to use more
obvious names and logic.
 2012-05-04 10:16:49 +02:00
nikic
3701e02d32 Use inject-once approach for lexer 
Now the lexer is injected only once when creating the parser. Instead of

    $parser = new PHPParser_Parser;
    $parser->parse(new PHPParser_Lexer($code));
    $parser->parse(new PHPParser_Lexer($code2));

you write:

    $parser = new PHPParser_Parser(new PHPParser_Lexer);
    $parser->parse($code);
    $parser->parse($code2);
 2012-05-04 10:16:46 +02:00
nikic
5b27fb40ce Fix line numbers for some list structures 
When defining a list in the grammar the list elements have to get a separate
rule, otherwise they'll all be assigned the same line number.
 2012-04-19 00:52:44 +02:00
Sebastian Bergmann
b9e3565587 Fugbix typo. 2012-04-04 15:54:45 +02:00
nikic
6657ac4b76 Clarify that parser is autogenerated 2012-03-02 00:43:34 +01:00
nikic
cf3117d82d Fix parsing of integers that overflow into floats 
Integers in hex/oct/bin notation that overflowed into floats were parsed incorrectly.
 2012-01-15 16:54:48 +01:00
nikic
8bdb478785 Cover Parser.php as much as possible 2011-12-07 18:17:05 +01:00
nikic
1449cc2092 Disallow array deref using alternative syntax 
f(){0} and a::b(){0} aren't allowed anymore (in compliance with PHP).
$a->b(){0} support stays for now (for technical reason).
 2011-12-04 17:07:17 +01:00
nikic
fa5f9e0740 Formatting fix 2011-12-04 17:03:01 +01:00
nikic
db3181aff1 More test coverage and doc string parsing fixes 
The parser didn't account for the additional newline after the content of doc strings, which is left there by the tokenizer for some reason. Additoinally esacape sequences were parsed in nowdoc strings.

Additionally this contains some minor changes to the grammar: Some _list nonterminals were refactored to have the possible single elements in a reparate rule and only assemble those single elements. (This reduces duplication and gives better assignment of line number context.)
 2011-12-04 16:52:43 +01:00
nikic
3a4cc1a0f0 Do not distribute debug parser anymore 
The debug parser (and the debug y.output) can be still built using rebuildParser.php?debug.
 2011-11-27 21:48:34 +01:00
nikic
6ef6e1dab3 Cover errors (and fix errors for namespace names) 2011-11-27 12:58:20 +01:00
nikic
933bebb9b8 Fix parsing of special int syntaxes 
Also add the means to test code parsing.
 2011-11-26 16:09:39 +01:00
nikic
adfa67cdcf [5.4] Add direct dereferencing of new expression 
(new A)->b(), (new A)->b, (new A)[0]. The feature is not implemented fully compliant (implemented as a `variable`, not `expr_without_variable`: Awaiting input on that on internals@.
 2011-11-21 18:43:35 +01:00
nikic
4e656fc58d [5.4] Add full array dereferencing support 2011-11-04 07:40:48 +01:00
nikic
6ecae86981 [5.4] Add support for traits 2011-10-30 12:03:29 +01:00
nikic
613aa84f80 [5.4] Add support for static closures 
This adds another property to Expr_Closure named "static". It's true for static closures and false otherwise.
 2011-10-29 00:16:29 +02:00
nikic
c88d227597 Move some uses of the toArray() macro 
Previously it was applied both to the result of inner_statement_list and statement, whereas only the latter required it.
 2011-10-28 23:59:00 +02:00
nikic
126efbc056 Make more things optional 
Make $stmts and $subNodes optional in most places
 2011-10-28 19:14:06 +02:00
nikic
f202aa9814 [API] Make all constructors specialized 
For nodes that accept many optional arguments I chose to keep the $subNodes argument, but provide default values instead.
 2011-10-28 19:06:24 +02:00
nikic
25f37ccc28 [API] Rename LambdaFunc to Closure 
The term "closure" is more commonly used in PHP, even if the function doesn't use() any variables.
 2011-10-26 18:34:12 +02:00
nikic
734dbecbc9 Add some more constructors 2011-10-21 16:51:37 +02:00
nikic
82c495657e Remove zend_language_parser.y from distribution 2011-10-21 14:38:25 +02:00
nikic
7806bf025e [5.4] Add support for ClassName::{expr} 2011-10-21 14:09:41 +02:00
nikic
73cc546140 Slightly clean up scalar/static_sclar/common_sclar 
name rule is now in common_scalar as it is shared. T_STRING_VARNAME is in encaps_var now.
 2011-10-21 12:22:41 +02:00
nikic
ef9d0283e9 Add class_name_or_var nonterminal (to simplify) 
class_name_or_var nonterminal is class_name | reference_variable
 2011-10-21 11:50:03 +02:00
nikic
08ea0e3d56 [5.4] Add callable typehint 
Need to refactor how typehints are saved. Saving array and callable typehints as strings isn't clean
 2011-10-21 11:30:27 +02:00
nikic
ab982567d7 [5.4] Add support for short array syntax 2011-10-21 11:27:29 +02:00
nikic
1eb1118ee1 [5.4] Add object method array dereferencing 
Other array dereferencing support will follow. Added this in advance as it simplified the code.
 2011-10-21 11:12:51 +02:00
nikic
eae1abb6d7 [5.4] Add new tokens 
This is to not throw noticed when parsing not yet supported code on 5.4
 2011-10-21 11:12:34 +02:00
nikic
3233fdd24d Add support for ClassName::$$a() 2011-10-20 22:29:34 +02:00
nikic
aea2f67c52 Fix AST for ClassName::$methodName() 2011-10-20 22:16:25 +02:00
nikic
9ed77427a2 Rename Expr_List to Expr_AssignList 2011-10-16 14:49:13 +02:00
nikic
6fc85143ca Fix parsing of $$$a 2011-10-16 14:30:22 +02:00
nikic
2d57f52d24 Add more specialized constructors 2011-10-15 19:28:15 +02:00
nikic
535cf21b73 Swap argument order for Node_Case 
$cond is now the first parameter and is not optional.
 2011-09-30 19:19:17 +02:00
nikic
d5f148b43f Merge Node_Name and Node_Name_Normal 2011-09-24 23:31:18 +02:00
nikic
df7cb44eed Use seperate Name node classes instead of type subnode 2011-09-24 16:53:40 +02:00
nikic
858545732c Add shared Node_Const 
Node_Const is shared between Node_Stmt_ClassConst and Node_Stmt_Const. Maybe one could generalize it to a Node_NameToValue to share it with Node_Stmt_Declare too.
 2011-09-23 21:00:59 +02:00
nikic
ea65ea7a32 Make some doc comments more precise 
Additionally add two further constructors
 2011-09-23 18:45:29 +02:00
nikic
ee4e55dc75 Move Node_Expr_FuncCallArg to Node_Arg (just like Node_Param) 2011-09-22 20:34:35 +02:00
nikic
06b7d63406 Add specialized constructors for statement nodes with only one subnode 2011-09-22 20:27:12 +02:00
nikic
847cdbc5c6 Swap argument order for ArrayItem 2011-09-02 19:49:46 +02:00
nikic
17a81b5c8f Properly parse escape sequences: 
* Add support for oct and hex escape sequences
* Take used quote type into account when parsing encapsed strings
 2011-08-20 10:40:27 +02:00
nikic
05c514f9c5 Instantiate a Node_Name for 'static', too. Fix some doc comments. 2011-08-19 17:44:42 +02:00
nikic
ca51472c2f Move Variable to Expr_Variable, move Stmt_FuncParam to Param (as it is used both in stmts and expr and both in funcs and methods) 2011-08-14 18:51:42 +02:00
nikic
bd602afc3a Add specialized constructor for lambdas, too 2011-08-14 18:26:06 +02:00
nikic
7bd3980a2e Remove node analysis from analyze.php and fix some other things about it 2011-08-14 15:52:57 +02:00
nikic
96350be172 Implement the debug parser by extending the normal parser. That way there is no need to repeat all action codes and lookup tables twice. 2011-08-14 15:36:15 +02:00
nikic
297c9ac290 Use moriyoshi's fork of kmyacc, which fixes most of the issues of kmyacc with PHP 2011-08-14 14:52:24 +02:00
nikic
e0fe21287d Add specialized constructors for all expression nodes apart from lambda 2011-08-11 10:25:51 +02:00
nikic
f412b3915f Rename cast nodes and give them a common Expr_Cast parent (with specialized constructor) 2011-08-11 09:20:25 +02:00
nikic
284f32f475 Add specialized constructor for binary operators 2011-08-11 08:57:13 +02:00
nikic
22b507e9f4 Rename Bin[ary] to Bitwise (which is the correct name) 2011-08-11 08:42:28 +02:00
nikic
344913d44b Add specialized constructors for assignment operations 2011-08-11 08:35:10 +02:00
nikic
d9a23f2dc7 Add specialized constructors for Expr_Array*, make Variable an Expr 2011-08-11 08:13:01 +02:00
nikic
690b505a7a Make array_pair an extra grammar rule, for cleaner grammar and correct $line 2011-08-10 11:24:20 +02:00
nikic
f67ff50550 Give all Scalar nodes and the special nodes Name and Variable specialized constructors for easier use 2011-08-09 15:07:05 +02:00
nikic
ae46aeda7f Don't save whether a string is binary anymore. The binary flag isn't going to be used in the next couple of years, so it doesn't make sense to unnecessarily complicate things. 2011-08-09 14:19:44 +02:00
nikic
197b8e6967 Don't save quote type for strings anymore (as it is irrelevant for script execution) 2011-08-09 14:12:15 +02:00
nikic
7d43c02c06 Fix analyzer.php 2011-08-09 13:26:04 +02:00
nikic
664be2871a Make the resolve type of a name a normal subnode (type) 2011-08-04 13:59:56 +02:00
nikic
9c53838b1f Properly handle fully qualified and relative names 2011-08-04 13:53:23 +02:00
nikic
afd6c70b77 Merge preprocessor.php into rebuildParser.php. Don't distribute the temporary preprocessed grammar anymore 2011-08-04 12:46:48 +02:00
nikic
12e61cb3ea Allow use of normal dollar variables in .pre.phpy (by transforming them to #hash variables for kmyacc) 2011-08-04 12:16:31 +02:00
nikic
dd2404b57a Rename "ns" to "name" in Stmt_UseUse 2011-08-04 12:01:03 +02:00
nikic
70306000e8 In rebuildParser.php output stderr too (so there actually is output) 2011-08-04 11:47:29 +02:00
nikic
afcf7777bf Don't generate y.output file anymore as it really bloats diffs 2011-08-04 11:12:19 +02:00
nikic
78f15cd50b Associate last encountered doccomment with next node 2011-07-03 16:35:45 +02:00
nikic
033f5c81a0 Add missing #line hint for strings 2011-06-28 14:16:10 +02:00
nikic
f756d82cd4 Fetch start line instead of end line 2011-06-28 14:11:12 +02:00
nikic
b153bfa3a8 Remove reentrant error handling code (we don't need that currently) 2011-06-27 19:14:37 +02:00
nikic
dd13cd4fe9 Add README for grammar folder 2011-06-26 20:56:35 +02:00
nikic
fb45e8a30c Put statements belonging to a namespace statement into its stmt property, add some further checks against invalid namespace usage and fix the pretty printer to print global namespaces 2011-06-26 18:41:01 +02:00
nikic
dfa59332ed Move halt_compiler handling from parser to grammar 2011-06-12 17:19:12 +02:00
nikic
f11f228074 Associate some line information with nodes (currently the line the node ends in, as the starting line is harder to fetch) 2011-06-12 17:12:47 +02:00
nikic
363a0771da fix incorrect usages of old ParseErrorException 2011-06-06 18:59:14 +02:00
nikic
b24d0e2dc4 Rename PHPParser_ParseErrorException to PHPParser_Error 2011-06-05 18:52:41 +02:00
nikic
620525a5da Prefix all classes with PHPParser_ 2011-06-05 18:40:04 +02:00
nikic
4006e55951 Fix typo Expr_ErrorSupress -> Expr_ErrorSuppress 2011-06-04 15:37:13 +02:00
nikic
8294ceb754 Fix pretty printing issues caused by Expr_InstanceOf vs Expr_Instanceof 2011-06-04 15:25:54 +02:00
nikic
bf00dff2cf Make halt_compiler() work 2011-06-03 22:04:05 +02:00
nikic
d82bbb3bea Throw ParseErrorException on error instead of error callback 
As long as the parser isn't reentrant having an error callback doesn't really make sense and only complicates everything.
 2011-06-03 17:44:23 +02:00
nikic
74f05f5459 Fix wrong node signature in grammar 2011-06-02 22:57:00 +02:00
nikic
352cfde568 Slightly simplify grammar 2011-06-02 17:01:22 +02:00
nikic
1c4d47613c Fix parsing of static methods with dynamic method name 2011-06-02 16:29:28 +02:00
nikic
2fb0206deb Add missing rules to parser to allow a::${b} 2011-05-31 17:28:22 +02:00
nikic
4f3260f670 Add doccomments and slightly change some APIs 2011-05-31 16:33:11 +02:00
nikic
68a25ce7c1 Fix typo in grammar 2011-05-30 22:15:17 +02:00
nikic
9aed651d51 Remove Stmt_Noop 2011-05-30 17:39:20 +02:00
nikic
9c8651120f Fix wrong Node signature for String_Scalar created by T_STRING_VARNAME 2011-05-29 21:09:37 +02:00
nikic
df82e3db45 Replace yydebug flag with separate debug parser "ParserDebug" 
Debugging shouldn't be necessairy normally, but carries a 25% performance overhead.
 2011-05-29 20:51:15 +02:00
nikic
15e268cd8b Parse escape sequences in encapsed strings too 2011-05-29 20:06:53 +02:00
nikic
685171ddc5 Fix incorrect Node creation for dynamic static property access 2011-05-29 12:24:27 +02:00
nikic
355ddd8d75 Parse strings more correctly, keep information on whether it was a single or double quoted string 2011-05-28 00:21:12 +02:00
nikic
d4f3cdd695 Simplify grammar thus reducing shift/reduce conflicts 2011-05-27 21:51:27 +02:00
nikic
ae3603d126 Fix parsing issue with array accesses on object accesses ($x->y[z]) 2011-05-27 21:15:38 +02:00
nikic
eeb63065be a) changes node structure (Stmt_, Expr_, ...) b) fixes parsing of x::$y[z] 
Sorry for that one large commit. Won't happen again.
 2011-05-27 18:42:36 +02:00
nikic
e00b460125 Slightly optimize the parser and improve the API 2011-04-29 21:06:11 +02:00
nikic
aea5e43349 Initial commit 2011-04-18 19:02:30 +02:00