[webkit-reviews] review granted: [Bug 236783] [WGSL] The lexer should use the functions from wtf/ASCIICType.h : [Attachment 452367] Patch
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Feb 17 10:07:17 PST 2022
Darin Adler <darin at apple.com> has granted Robin Morisset
<rmorisset at apple.com>'s request for review:
Bug 236783: [WGSL] The lexer should use the functions from wtf/ASCIICType.h
https://bugs.webkit.org/show_bug.cgi?id=236783
Attachment 452367: Patch
https://bugs.webkit.org/attachment.cgi?id=452367&action=review
--- Comment #2 from Darin Adler <darin at apple.com> ---
Comment on attachment 452367
--> https://bugs.webkit.org/attachment.cgi?id=452367
Patch
View in context: https://bugs.webkit.org/attachment.cgi?id=452367&action=review
> Source/WebGPU/WGSL/Lexer.cpp:163
> + if (isASCIIDigit (m_current)) {
Stray space here after isASCIIDigit.
> Source/WebGPU/WGSL/Lexer.cpp:191
> - } else if (isIdentifierStart(m_current)) {
> + } else if (isASCIIAlpha(m_current)) {
Not sure this change is an improvement. Might want isIdentifierStart so the
intent of the code is more apparent. The implementation of that function can
use isASCIIAlpha.
> Source/WebGPU/WGSL/Lexer.cpp:194
> - while (isValidIdentifierCharacter(m_current))
> + while (isASCIIAlphanumeric(m_current) || m_current == '_')
Ditto.
> Source/WebGPU/WGSL/Lexer.cpp:271
> - while (isWhiteSpace(m_current)) {
> + while (isASCIISpace(m_current)) {
It can be ambiguous sometimes which definition of whitespace to use in various
contexts. Might still want a named function for that.
> Source/WebGPU/WGSL/Lexer.cpp:301
> - value += readDecimal(m_current);
> + value += static_cast<uint64_t>(m_current - '0');
This code looks less elegant than the old.
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