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enh(php) some PHP cleanups #3427

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merged 9 commits into from Dec 10, 2021
Merged

enh(php) some PHP cleanups #3427

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7a06bad
chore(php) rewrite keyword lists to arrays
joshgoebel Dec 9, 2021
c4a068b
enh(php) improve namespace/use highlighting
joshgoebel Dec 9, 2021
e158fbd
chore(php) comments should not care about pre-processor
joshgoebel Dec 9, 2021
f5616e1
chore(php) remove dead contains rule
joshgoebel Dec 10, 2021
6e116aa
enh(php) $this is a variable.language
joshgoebel Dec 10, 2021
38ebe60
chore(php) no binary strings, was a 6.0 only thing
joshgoebel Dec 10, 2021
5907a60
enh(php) add __COMPILER_HALT_OFFSET__
joshgoebel Dec 10, 2021
fc6bcc9
chore(php) more correct __halt_compiler();
joshgoebel Dec 10, 2021
c5e405f
chore(php) add changelog for PHP improvements
joshgoebel Dec 10, 2021
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3 changes: 3 additions & 0 deletions CHANGES.md
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Expand Up @@ -9,6 +9,9 @@ These changes should be for the better and should not be super noticeable but if

Grammars:

- enh(php) improve `namespace` and `use` highlighting (#3427) [Josh Goebel][]
- enh(php) `$this` is a `variable.language` now (#3427) [Josh Goebel][]
- enh(php) add `__COMPILER_HALT_OFFSET__` (#3427) [Josh Goebel][]
- enh(js/ts) fix => async function title highlights (#3405) [Josh Goebel][]
- enh(twig) update keywords list (#3415) [Matthieu Lempereur][]
- fix(python) def, class keywords detected mid-identifier (#3381) [Josh Goebel][]
Expand Down
253 changes: 220 additions & 33 deletions src/languages/php.js
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Expand Up @@ -47,14 +47,7 @@ export default function(hljs) {
});
const STRING = {
className: 'string',
contains: [hljs.BACKSLASH_ESCAPE, PREPROCESSOR],
variants: [
hljs.inherit(SINGLE_QUOTED, {
begin: "b'", end: "'",
}),
hljs.inherit(DOUBLE_QUOTED, {
begin: 'b"', end: '"',
}),
DOUBLE_QUOTED,
SINGLE_QUOTED,
HEREDOC
Expand All @@ -71,43 +64,216 @@ export default function(hljs) {
],
relevance: 0
};
const KEYWORDS = {
keyword:
const LITERALS = [
"false",
"null",
"true"
];
const KWS = [
// Magic constants:
// <https://www.php.net/manual/en/language.constants.predefined.php>
'__CLASS__ __DIR__ __FILE__ __FUNCTION__ __LINE__ __METHOD__ __NAMESPACE__ __TRAIT__ ' +
"__CLASS__",
"__DIR__",
"__FILE__",
"__FUNCTION__",
"__COMPILER_HALT_OFFSET__",
"__LINE__",
"__METHOD__",
"__NAMESPACE__",
"__TRAIT__",
// Function that look like language construct or language construct that look like function:
// List of keywords that may not require parenthesis
'die echo exit include include_once print require require_once ' +
"die",
"echo",
"exit",
"include",
"include_once",
"print",
"require",
"require_once",
// These are not language construct (function) but operate on the currently-executing function and can access the current symbol table
// 'compact extract func_get_arg func_get_args func_num_args get_called_class get_parent_class ' +
// Other keywords:
// <https://www.php.net/manual/en/reserved.php>
// <https://www.php.net/manual/en/language.types.type-juggling.php>
'array abstract and as binary bool boolean break callable case catch class clone const continue declare ' +
'default do double else elseif empty enddeclare endfor endforeach endif endswitch endwhile enum eval extends ' +
'final finally float for foreach from global goto if implements instanceof insteadof int integer interface ' +
'isset iterable list match|0 mixed new object or private protected public real return string switch throw trait ' +
'try unset use var void while xor yield',
literal: 'false null true',
built_in:
"array",
"abstract",
"and",
"as",
"binary",
"bool",
"boolean",
"break",
"callable",
"case",
"catch",
"class",
"clone",
"const",
"continue",
"declare",
"default",
"do",
"double",
"else",
"elseif",
"empty",
"enddeclare",
"endfor",
"endforeach",
"endif",
"endswitch",
"endwhile",
"enum",
"eval",
"extends",
"final",
"finally",
"float",
"for",
"foreach",
"from",
"global",
"goto",
"if",
"implements",
"instanceof",
"insteadof",
"int",
"integer",
"interface",
"isset",
"iterable",
"list",
"match|0",
"mixed",
"new",
"object",
"or",
"private",
"protected",
"public",
"real",
"return",
"string",
"switch",
"throw",
"trait",
"try",
"unset",
"use",
"var",
"void",
"while",
"xor",
"yield"
];

const BUILT_INS = [
// Standard PHP library:
// <https://www.php.net/manual/en/book.spl.php>
'Error|0 ' + // error is too common a name esp since PHP is case in-sensitive
'AppendIterator ArgumentCountError ArithmeticError ArrayIterator ArrayObject AssertionError BadFunctionCallException BadMethodCallException CachingIterator CallbackFilterIterator CompileError Countable DirectoryIterator DivisionByZeroError DomainException EmptyIterator ErrorException Exception FilesystemIterator FilterIterator GlobIterator InfiniteIterator InvalidArgumentException IteratorIterator LengthException LimitIterator LogicException MultipleIterator NoRewindIterator OutOfBoundsException OutOfRangeException OuterIterator OverflowException ParentIterator ParseError RangeException RecursiveArrayIterator RecursiveCachingIterator RecursiveCallbackFilterIterator RecursiveDirectoryIterator RecursiveFilterIterator RecursiveIterator RecursiveIteratorIterator RecursiveRegexIterator RecursiveTreeIterator RegexIterator RuntimeException SeekableIterator SplDoublyLinkedList SplFileInfo SplFileObject SplFixedArray SplHeap SplMaxHeap SplMinHeap SplObjectStorage SplObserver SplObserver SplPriorityQueue SplQueue SplStack SplSubject SplSubject SplTempFileObject TypeError UnderflowException UnexpectedValueException UnhandledMatchError ' +
"Error|0",
"AppendIterator",
"ArgumentCountError",
"ArithmeticError",
"ArrayIterator",
"ArrayObject",
"AssertionError",
"BadFunctionCallException",
"BadMethodCallException",
"CachingIterator",
"CallbackFilterIterator",
"CompileError",
"Countable",
"DirectoryIterator",
"DivisionByZeroError",
"DomainException",
"EmptyIterator",
"ErrorException",
"Exception",
"FilesystemIterator",
"FilterIterator",
"GlobIterator",
"InfiniteIterator",
"InvalidArgumentException",
"IteratorIterator",
"LengthException",
"LimitIterator",
"LogicException",
"MultipleIterator",
"NoRewindIterator",
"OutOfBoundsException",
"OutOfRangeException",
"OuterIterator",
"OverflowException",
"ParentIterator",
"ParseError",
"RangeException",
"RecursiveArrayIterator",
"RecursiveCachingIterator",
"RecursiveCallbackFilterIterator",
"RecursiveDirectoryIterator",
"RecursiveFilterIterator",
"RecursiveIterator",
"RecursiveIteratorIterator",
"RecursiveRegexIterator",
"RecursiveTreeIterator",
"RegexIterator",
"RuntimeException",
"SeekableIterator",
"SplDoublyLinkedList",
"SplFileInfo",
"SplFileObject",
"SplFixedArray",
"SplHeap",
"SplMaxHeap",
"SplMinHeap",
"SplObjectStorage",
"SplObserver",
"SplPriorityQueue",
"SplQueue",
"SplStack",
"SplSubject",
"SplTempFileObject",
"TypeError",
"UnderflowException",
"UnexpectedValueException",
"UnhandledMatchError",
// Reserved interfaces:
// <https://www.php.net/manual/en/reserved.interfaces.php>
'ArrayAccess Closure Generator Iterator IteratorAggregate Serializable Stringable Throwable Traversable WeakReference WeakMap ' +
"ArrayAccess",
"Closure",
"Generator",
"Iterator",
"IteratorAggregate",
"Serializable",
"Stringable",
"Throwable",
"Traversable",
"WeakReference",
"WeakMap",
// Reserved classes:
// <https://www.php.net/manual/en/reserved.classes.php>
'Directory __PHP_Incomplete_Class parent php_user_filter self static stdClass'
"Directory",
"__PHP_Incomplete_Class",
"parent",
"php_user_filter",
"self",
"static",
"stdClass"
];

const KEYWORDS = {
keyword: KWS,
literal: LITERALS,
built_in: BUILT_INS
};
return {
case_insensitive: true,
keywords: KEYWORDS,
contains: [
hljs.HASH_COMMENT_MODE,
hljs.COMMENT('//', '$', {contains: [PREPROCESSOR]}),
hljs.COMMENT('//', '$'),
hljs.COMMENT(
'/\\*',
'\\*/',
Expand All @@ -120,17 +286,25 @@ export default function(hljs) {
]
}
),
hljs.COMMENT(
'__halt_compiler.+?;',
false,
{
endsWithParent: true,
keywords: '__halt_compiler'
{
match: /__halt_compiler\(\);/,
keywords: '__halt_compiler',
starts: {
scope: "comment",
end: hljs.MATCH_NOTHING_RE,
contains: [
{
match: /\?>/,
scope: "meta",
endsParent: true
}
]
}
),
},
PREPROCESSOR,
{
className: 'keyword', begin: /\$this\b/
className: 'variable.language',
begin: /\$this\b/
},
VARIABLE,
{
Expand Down Expand Up @@ -181,18 +355,31 @@ export default function(hljs) {
hljs.UNDERSCORE_TITLE_MODE
]
},
// both use and namespace still use "old style" rules (vs multi-match)
// because the namespace name can include `\` and we still want each
// element to be treated as it's own *individual* title
{
beginKeywords: 'namespace',
relevance: 0,
end: ';',
illegal: /[.']/,
contains: [hljs.UNDERSCORE_TITLE_MODE]
contains: [
hljs.inherit(hljs.UNDERSCORE_TITLE_MODE, { scope: "title.class" })
]
},
{
beginKeywords: 'use',
relevance: 0,
end: ';',
contains: [hljs.UNDERSCORE_TITLE_MODE]
contains: [
// TODO: title.function vs title.class
{
match: /\b(as|const|function)\b/,
scope: "keyword"
},
// TODO: could be title.class or title.function
hljs.UNDERSCORE_TITLE_MODE
]
},
STRING,
NUMBER
Expand Down
9 changes: 9 additions & 0 deletions test/markup/php/namespace.expect.txt
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@@ -0,0 +1,9 @@
<span class="hljs-keyword">namespace</span> <span class="hljs-title class_">Location</span>\<span class="hljs-title class_">Web</span>;
<span class="hljs-keyword">namespace</span> <span class="hljs-title class_">foo</span>;
<span class="hljs-keyword">use</span> <span class="hljs-title">My</span>\<span class="hljs-title">Full</span>\<span class="hljs-title">Classname</span> <span class="hljs-keyword">as</span> <span class="hljs-title">Another</span>;
<span class="hljs-keyword">use</span> <span class="hljs-title">My</span>\<span class="hljs-title">Full</span>\<span class="hljs-title">NSname</span>;
<span class="hljs-keyword">use</span> <span class="hljs-title">ArrayObject</span>;
<span class="hljs-keyword">use</span> <span class="hljs-keyword">function</span> <span class="hljs-title">My</span>\<span class="hljs-title">Full</span>\<span class="hljs-title">functionName</span>;
<span class="hljs-keyword">use</span> <span class="hljs-keyword">function</span> <span class="hljs-title">My</span>\<span class="hljs-title">Full</span>\<span class="hljs-title">functionName</span> <span class="hljs-keyword">as</span> <span class="hljs-title">func</span>;
<span class="hljs-keyword">use</span> <span class="hljs-keyword">const</span> <span class="hljs-title">My</span>\<span class="hljs-title">Full</span>\<span class="hljs-title">CONSTANT</span>;
<span class="hljs-keyword">use</span> <span class="hljs-title">Example</span>\{<span class="hljs-title">ClassA</span>, <span class="hljs-title">ClassB</span>, <span class="hljs-title">ClassC</span> <span class="hljs-keyword">as</span> <span class="hljs-title">C</span>};
9 changes: 9 additions & 0 deletions test/markup/php/namespace.txt
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@@ -0,0 +1,9 @@
namespace Location\Web;
namespace foo;
use My\Full\Classname as Another;
use My\Full\NSname;
use ArrayObject;
use function My\Full\functionName;
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use function My\Full\functionName as func;
use const My\Full\CONSTANT;
use Example\{ClassA, ClassB, ClassC as C};