Skip to content

Add support for anonymous readonly classes #1168

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
czosel merged 2 commits into from
Feb 13, 2026
+173 −2
Merged

Add support for anonymous readonly classes #1168

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d14b203
Add support for anonymous readonly classes
olivereisenhut Nov 13, 2025
9cf0680
Only allow anonymous readonly classes in php >= 8.3
olivereisenhut Feb 12, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 15 additions & 1 deletion src/parser/expr.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -763,6 +763,15 @@ module.exports = {
return result(newExp, args);
}
const attrs = this.read_attr_list();
const isReadonly = this.token === this.tok.T_READ_ONLY;
if (isReadonly) {
if (this.version < 803) {
this.raiseError(
"Anonymous readonly classes are not allowed before PHP 8.3",
);
}
this.next();
}
if (this.token === this.tok.T_CLASS) {
const what = this.node("class");
// Annonymous class declaration
Expand All @@ -775,7 +784,12 @@ module.exports = {
if (this.expect("{")) {
body = this.next().read_class_body(true, false);
}
const whatNode = what(null, propExtends, propImplements, body, [0, 0, 0]);
const whatNode = what(null, propExtends, propImplements, body, [
0,
0,
0,
isReadonly ? 1 : 0,
]);
whatNode.attrGroups = attrs;
return result(whatNode, args);
}
Expand Down
136 changes: 135 additions & 1 deletion test/snapshot/__snapshots__/new.test.js.snap
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing

exports[`new #348 - byref usage deprecated 1`] = `
Program {
Expand Down Expand Up @@ -226,6 +226,140 @@ Program {
}
`;

exports[`new anonymous readonly 1`] = `
Program {
"children": [
ExpressionStatement {
"expression": New {
"arguments": [],
"kind": "new",
"what": Class {
"attrGroups": [],
"body": [],
"extends": null,
"implements": null,
"isAbstract": false,
"isAnonymous": true,
"isFinal": false,
"isReadonly": true,
"kind": "class",
"name": null,
},
},
"kind": "expressionstatement",
},
],
"errors": [],
"kind": "program",
}
`;

exports[`new anonymous readonly no parens 1`] = `
Program {
"children": [
ExpressionStatement {
"expression": New {
"arguments": [],
"kind": "new",
"what": Class {
"attrGroups": [],
"body": [],
"extends": null,
"implements": null,
"isAbstract": false,
"isAnonymous": true,
"isFinal": false,
"isReadonly": true,
"kind": "class",
"name": null,
},
},
"kind": "expressionstatement",
},
],
"errors": [],
"kind": "program",
}
`;

exports[`new anonymous readonly with argument 1`] = `
Program {
"children": [
ExpressionStatement {
"expression": New {
"arguments": [
Variable {
"curly": false,
"kind": "variable",
"name": "var",
},
],
"kind": "new",
"what": Class {
"attrGroups": [],
"body": [],
"extends": null,
"implements": null,
"isAbstract": false,
"isAnonymous": true,
"isFinal": false,
"isReadonly": true,
"kind": "class",
"name": null,
},
},
"kind": "expressionstatement",
},
],
"errors": [],
"kind": "program",
}
`;

exports[`new anonymous readonly with multiple argument 1`] = `
Program {
"children": [
ExpressionStatement {
"expression": New {
"arguments": [
Variable {
"curly": false,
"kind": "variable",
"name": "one",
},
Variable {
"curly": false,
"kind": "variable",
"name": "two",
},
Variable {
"curly": false,
"kind": "variable",
"name": "three",
},
],
"kind": "new",
"what": Class {
"attrGroups": [],
"body": [],
"extends": null,
"implements": null,
"isAbstract": false,
"isAnonymous": true,
"isFinal": false,
"isReadonly": true,
"kind": "class",
"name": null,
},
},
"kind": "expressionstatement",
},
],
"errors": [],
"kind": "program",
}
`;

exports[`new anonymous with argument 1`] = `
Program {
"children": [
Expand Down
23 changes: 23 additions & 0 deletions test/snapshot/new.test.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,29 @@ describe("new", function () {
parser.parseEval("new class($one, $two, $three) {};"),
).toMatchSnapshot();
});
it("anonymous readonly", function () {
expect(parser.parseEval("new readonly class() {};")).toMatchSnapshot();
});
it("anonymous readonly no parens", function () {
expect(parser.parseEval("new readonly class {};")).toMatchSnapshot();
});
it("anonymous readonly with argument", function () {
expect(parser.parseEval("new readonly class($var) {};")).toMatchSnapshot();
});
it("anonymous readonly with multiple argument", function () {
expect(
parser.parseEval("new readonly class($one, $two, $three) {};"),
).toMatchSnapshot();
});
it("anonymous readonly class throws errors in PHP < 8.3", () => {
expect(() =>
parser.parseEval("new readonly class() {};", {
parser: {
version: "8.2",
},
}),
).toThrow("Anonymous readonly classes are not allowed before PHP 8.3");
});
it("static array", () => {
expect(
parser.parseEval("return new self::$mapping[$map]();"),
Expand Down