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XHPASTTree.php
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Created
Tue, Jun 10, 23:29
Size
2 KB
Mime Type
text/x-php
Expires
Thu, Jun 12, 23:29 (2 d)
Engine
blob
Format
Raw Data
Handle
26706147
Attached To
rPHU libphutil
XHPASTTree.php
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<?php
final
class
XHPASTTree
extends
AASTTree
{
public
function
__construct
(
array
$tree
,
array
$stream
,
$source
)
{
$this
->
setTreeType
(
'XHP'
);
$this
->
setNodeConstants
(
xhp_parser_node_constants
());
$this
->
setTokenConstants
(
xhpast_parser_token_constants
());
parent
::
__construct
(
$tree
,
$stream
,
$source
);
}
public
function
newNode
(
$id
,
array
$data
,
AASTTree
$tree
)
{
return
new
XHPASTNode
(
$id
,
$data
,
$tree
);
}
public
function
newToken
(
$id
,
$type
,
$value
,
$offset
,
AASTTree
$tree
)
{
return
new
XHPASTToken
(
$id
,
$type
,
$value
,
$offset
,
$tree
);
}
public
static
function
newFromData
(
$php_source
)
{
$future
=
PhutilXHPASTBinary
::
getParserFuture
(
$php_source
);
return
self
::
newFromDataAndResolvedExecFuture
(
$php_source
,
$future
->
resolve
());
}
public
static
function
newStatementFromString
(
$string
)
{
$string
=
'<?php '
.
rtrim
(
$string
,
';'
).
";
\n
"
;
$tree
=
self
::
newFromData
(
$string
);
$statements
=
$tree
->
getRootNode
()->
selectDescendantsOfType
(
'n_STATEMENT'
);
if
(
count
(
$statements
)
!=
1
)
{
throw
new
Exception
(
pht
(
'String does not parse into exactly one statement!'
));
}
// Return the first one, trying to use reset() with iterators ends in tears.
foreach
(
$statements
as
$statement
)
{
return
$statement
;
}
}
public
static
function
newFromDataAndResolvedExecFuture
(
$php_source
,
array
$resolved
)
{
list
(
$err
,
$stdout
,
$stderr
)
=
$resolved
;
if
(
$err
)
{
if
(
$err
==
1
)
{
$matches
=
null
;
$is_syntax
=
preg_match
(
'/^XHPAST Parse Error: (.*) on line (
\d
+)/s'
,
$stderr
,
$matches
);
if
(
$is_syntax
)
{
throw
new
XHPASTSyntaxErrorException
(
$matches
[
2
],
trim
(
$stderr
));
}
}
throw
new
Exception
(
pht
(
'%s failed to parse file data %d: %s'
,
'XHPAST'
,
$err
,
$stderr
));
}
$data
=
null
;
try
{
$data
=
phutil_json_decode
(
$stdout
);
}
catch
(
PhutilJSONParserException
$ex
)
{
throw
new
PhutilProxyException
(
pht
(
'%s: failed to decode tree.'
,
'XHPAST'
),
$ex
);
}
return
new
XHPASTTree
(
$data
[
'tree'
],
$data
[
'stream'
],
$php_source
);
}
}
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