[webkit-changes] [WebKit/WebKit] 7e62fd: [WGSL] Implement for-loop

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7e62fd17e02ba347563d489dff70655596299b60
      https://github.com/WebKit/WebKit/commit/7e62fd17e02ba347563d489dff70655596299b60
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-04-21 (Fri, 21 Apr 2023)

  Changed paths:
    M Source/WebGPU/WGSL/AST/ASTForStatement.h
    M Source/WebGPU/WGSL/AST/ASTStringDumper.cpp
    M Source/WebGPU/WGSL/AST/ASTStringDumper.h
    M Source/WebGPU/WGSL/Lexer.cpp
    M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp
    M Source/WebGPU/WGSL/Parser.cpp
    M Source/WebGPU/WGSL/ParserPrivate.h
    M Source/WebGPU/WGSL/Token.cpp
    M Source/WebGPU/WGSL/Token.h
    M Source/WebGPU/WGSL/TypeCheck.cpp
    A Source/WebGPU/WGSL/tests/invalid/for.wgsl
    A Source/WebGPU/WGSL/tests/valid/for.wgsl
    M Tools/TestWebKitAPI/Tests/WGSL/LexerTests.cpp

  Log Message:
  -----------
  [WGSL] Implement for-loop
https://bugs.webkit.org/show_bug.cgi?id=255723
rdar://108317255

Reviewed by Mike Wyrzykowski.

Add parsing, type checking and codegen for for-loops. For now, we still don't
support the full syntax for the initialization and update clauses.

* Source/WebGPU/WGSL/AST/ASTForStatement.h:
* Source/WebGPU/WGSL/AST/ASTStringDumper.cpp:
(WGSL::AST::StringDumper::visit):
* Source/WebGPU/WGSL/AST/ASTStringDumper.h:
* Source/WebGPU/WGSL/Lexer.cpp:
(WGSL::Lexer<T>::lex):
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp:
(WGSL::Metal::FunctionDefinitionWriter::visit):
* Source/WebGPU/WGSL/Parser.cpp:
(WGSL::Parser<Lexer>::parseStatement):
(WGSL::Parser<Lexer>::parseForStatement):
* Source/WebGPU/WGSL/ParserPrivate.h:
* Source/WebGPU/WGSL/Token.cpp:
(WGSL::toString):
* Source/WebGPU/WGSL/Token.h:
* Source/WebGPU/WGSL/TypeCheck.cpp:
(WGSL::TypeChecker::visit):
* Source/WebGPU/WGSL/tests/invalid/for.wgsl: Added.
* Source/WebGPU/WGSL/tests/valid/for.wgsl: Added.

Canonical link: https://commits.webkit.org/263233@main