[webkit-changes] [WebKit/WebKit] 4e8dd4: [JSC] Add parsing for deferred import proposal

Asumu Takikawa noreply at github.com
Thu Dec 5 16:25:24 PST 2024


  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4e8dd496fc1158acdbcd5f20dbe67e9b13475386
      https://github.com/WebKit/WebKit/commit/4e8dd496fc1158acdbcd5f20dbe67e9b13475386
  Author: Asumu Takikawa <asumu at igalia.com>
  Date:   2024-12-05 (Thu, 05 Dec 2024)

  Changed paths:
    M JSTests/stress/modules-syntax-error.js
    A JSTests/stress/modules-syntax-import-defer-error.js
    A JSTests/stress/modules-syntax-import-defer.js
    M Source/JavaScriptCore/builtins/BuiltinNames.h
    M Source/JavaScriptCore/parser/ASTBuilder.h
    M Source/JavaScriptCore/parser/NodeConstructors.h
    M Source/JavaScriptCore/parser/Nodes.h
    M Source/JavaScriptCore/parser/Parser.cpp
    M Source/JavaScriptCore/runtime/CommonIdentifiers.h
    M Source/JavaScriptCore/runtime/OptionsList.h

  Log Message:
  -----------
  [JSC] Add parsing for deferred import proposal

https://bugs.webkit.org/show_bug.cgi?id=283133

Reviewed by Yusuke Suzuki.

This patch adds initial parsing support for deferred
imports:
  * Adds feature flag for deferred imports
  * Adds syntax for `import defer` (no `import.defer` yet)
  * Adds parsing tests
  * Adds part of data representation for deferred
    imports relevant to the parser
  * `import defer` acts identical to plain `import` for now

The spec for the proposal is at:
  https://github.com/tc39/proposal-defer-import-eval/

* JSTests/stress/modules-syntax-error.js:
* JSTests/stress/modules-syntax-import-defer-error.js: Added.
(shouldThrow):
* JSTests/stress/modules-syntax-import-defer.js: Added.
* Source/JavaScriptCore/builtins/BuiltinNames.h:
* Source/JavaScriptCore/parser/ASTBuilder.h:
(JSC::ASTBuilder::createImportDeclaration):
* Source/JavaScriptCore/parser/NodeConstructors.h:
(JSC::ImportDeclarationNode::ImportDeclarationNode):
* Source/JavaScriptCore/parser/Nodes.h:
* Source/JavaScriptCore/parser/Parser.cpp:
(JSC::Parser<LexerType>::parseImportDeclaration):
* Source/JavaScriptCore/runtime/CommonIdentifiers.h:
* Source/JavaScriptCore/runtime/OptionsList.h:

Canonical link: https://commits.webkit.org/287419@main



To unsubscribe from these emails, change your notification settings at https://github.com/WebKit/WebKit/settings/notifications


More information about the webkit-changes mailing list