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Technically, env() should not be an ASF. (😱) This is why some tests
still fail - env() as specced is expected to have its syntax checked
fully at parse-time, whereas ASFs are not properly syntax-checked until
later. However, I think this approach was worth doing for a few reasons:
- env() behaves like an ASF otherwise. (It is replaced with a set of
arbitrary component-values that are not known until computed-value
time.)
- env() was defined before the ASF concept existed, so I strongly
suspect it will be updated in the future to match that definition,
with a couple of adjustments. (eg, env() is allowed in some extra
places compared to var() and attr().)
- This was much quicker and easier to implement (under 3 hours in total)
compared to the greater amount of work to implement a whole separate
system just for env().
- Most of these tests are marked tentative, and the spec definition of
env() is still somewhat in flux, so failing some is not a huge deal.
If in the future I turn out to be wrong on this, we can convert it to
its own special thing.
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|---|---|---|
| .. | ||
| ArbitrarySubstitutionFunctions.cpp | ||
| ArbitrarySubstitutionFunctions.h | ||
| ComponentValue.cpp | ||
| ComponentValue.h | ||
| DescriptorParsing.cpp | ||
| Dimension.h | ||
| ErrorReporter.cpp | ||
| ErrorReporter.h | ||
| GradientParsing.cpp | ||
| Helpers.cpp | ||
| MediaParsing.cpp | ||
| Parser.cpp | ||
| Parser.h | ||
| PropertyParsing.cpp | ||
| RuleContext.cpp | ||
| RuleContext.h | ||
| RuleParsing.cpp | ||
| SelectorParsing.cpp | ||
| Syntax.cpp | ||
| Syntax.h | ||
| SyntaxParsing.cpp | ||
| SyntaxParsing.h | ||
| Token.cpp | ||
| Token.h | ||
| Tokenizer.cpp | ||
| Tokenizer.h | ||
| TokenStream.h | ||
| Types.cpp | ||
| Types.h | ||
| ValueParsing.cpp | ||