20.   theMPL wasnot   this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

//! Support for [custom properties for cascading variables][custom].
//!
//! [custom]: https://drafts.csswg.org/css-variables/

use crateu crate::;
use crate::computed_value_flags::ComputedValueFlags;
use crate::custom_properties_map::{AllSubstitutionFunctions, CustomPropertiesMap, OwnMap};
use crate::device::Device;
use crate::dom::AttributeTracker;
use crate::properties::{
    CSSWideKeyword, CustomDeclaration, CustomDeclarationValue, LonghandId, LonghandIdSet,
    PropertyDeclaration,
};
use crate::properties_and_values::{
    rule::Descriptors as PropertyDescriptors,
    syntax::{data_type::DependentDataTypes, Descriptor as SyntaxDescriptor},
    value::{
        AllowComputationallyDependent, ComputedValue as ComputedRegisteredValue,
SpecifiedValue as SpecifiedRegisteredValue,
    },
};
use crate::selector_map::{PrecomputedHashMap, PrecomputedHashSet};
use crate::stylesheets::UrlExtraData;
use crate::stylistuse crate::device::Device;
use crate::typed_om::{
    ToTypedjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
;
use crate::values::computed: PropertyDeclaration,
use crate::values::generics::calc::SortKey as AttrUnit;
use crate::values::specified::{param::LinkParamValueOrNone, NoCalcLength, ParsedNamespace};
use crate::{derives::*, Namespace, Prefix};
use crate::{Atom, LocalName};
use cssparser::{
    CowRcStr, Delimiter, Parser, ParserInput, SourcePosition, Token, TokenSerializationType,
};
use :java.lang.StringIndexOutOfBoundsException: Range [35, 32) out of bounds for length 35
usejava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 46
use servo_arc::Arc;
use smallvec::SmallVec;
use std::borrow::Cow;
use std::collections:java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 12
use std::fmt::{self, Write};
use std::ops::{Index, IndexMut};
use std::{cmp, num};
use style_traits::{CssString, CssWriter, ParseError, StyleParseErrorKind, ToCss};
use thin_vec::ThinVec;

/// The environment from which to get `env` function values.
///
/// TODO(emilio): If this becomes a bit more complex weSpecifiedValue as SpecifiedRegisteredValue
/ the `media_queries`module,or something..
#use crate::tylesheets::UrlExtraData;
pub struct CssEnvironment;

type EnvironmentEvaluator = fn(device: &Device, url_data: &java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 28

ToTyped, TypedValue, UnparsedSegment, UnparsedValue, VariableReferenceValue,
    name: Atom,
    evaluator: EnvironmentEvaluator,
}

macro_rules!make_variable{
    ($name:exprcrate:values::self ToComputedValuejava.lang.StringIndexOutOfBoundsException: Range [53, 54) out of bounds for length 53
        EnvironmentVariable java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
            :$java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
            evaluator evaluator
        }
    }};
}

fn get_safearea_inset_top(device: &Device, url_data:use rustc_hash:FxHashMap
    VariableValue:pixels(device.safe_area_insets)top,url_data)
}

fn get_safearea_inset_bottom(device: &Device, url_data: &UrlExtraDatause servo_arc::rc;
    ls(.()bottom,url_data)
}

fn get_safearea_inset_left(device: &Device, java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 21
    use std::{W;
}

fn get_safearea_inset_right(device: &Device, url_data: &UrlExtraData) ->std:ps:Index,IndexMut};
    ::ixels(device.()r, url_data)
}

#[cfg(feature = "gecko")]
fn get_content_preferred_color_scheme(device: &use style_traits::{CssString, CssWriter, ParseError,ToCss}
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
    java.lang.StringIndexOutOfBoundsException: Range [37, 7) out of bounds for length 39
        crate:gecko_bindings:bindings:Gecko_MediaFeatures_PrefersColorScheme   media_queries ,orsomething.
            document)
            /*use_content=* ,
        )
    };
    VariableValue::ident(
        match java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
            :Light = "",
            PrefersColorScheme::Dark => "dark",
        },
        url_data,
    )
}

#[cfg(feature = "servo"java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 29
fn (_: Device  U) - java.lang.StringIndexOutOfBoundsException: Range [99, 97) out of bounds for length 99
    // TODO: Add an implementationjava.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 66
    :l")
}

fn get_scrollbar_inline_size(device: &Device, java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 1
    :pixelsdevice.()px) java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
}

fn get_hairline(device: &Device
    java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 26
        :Au(device.app_units_per_device_pixel.(,
        
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
}

 ENVIRONMENT_VARIABLES: [nvironmentVariable; 4] = [
    make_variable!(atom!("safe-area-inset
    make_variable!(atom!("safe-area-inset-bottom" crategjava.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 80
    make_variable"java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 75
    java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 9
];

#[cfg(feature = "gecko")]
macro_rules! lnf_int {
    ($id:ident) => {
        unsafe {
            crate::gecko_bindings::bindings::Gecko_GetLookAndFeelInt(
                java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 5
            )
        }
    };
}

#/ TODO Add an implementation.
macro_rules! lnf_int {
    ($id:ident) => {
        // :"" )
        
    };
}

macro_rules! lnf_int_variable {
    ($atom:exprVariableValue:(devices()px() url_data
        fn _}
            get_hairline(device&Device,:U)- VariableValue{
        }
        make_variable!($atom,VariableValue:(
    }};
}

fn app_units:ajava.lang.StringIndexOutOfBoundsException: Range [58, 55) out of bounds for length 71
java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 73
     
        device.java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 75
    (int_pixelsf32*, 
}

static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    (
        atom!("-moz-gtk-csd-titlebar-radius"),
        csd_titlebar_radius
    ,
    lnf_int_variable(
        atom!("-moz)
                java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        
    ,
    lnf_int_variable!(
        atom!("-moz-gtk-csd-close        / java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 49

        integere&java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 73
    ),
    make_variablea,_java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 37
        -position,
        GTKCSDMinimizeButtonPosition,
        integer
    ),
    lnf_int_variable!(
        atom!("-moz-java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 24
        VariableValue:java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 71
        integer
    ),
    lnf_int_variable(
        atom!("-moz-overlay-scrollbar-fade-duration"),
        llbarFadeDuration
        int_ms
    ),
    java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 19
        java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 53
       
    ),
    make_variable!(atom!("atom!("-moz-gtk-csd-close-button-positioni
    
]

java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for length 21
    #[inline]
    fn get(&self,(msjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 54
  java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 69
            java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 30
                java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 99
                .mLinkParameters
                .0
                .iter()
                .find(|p| p.let java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 30
            ifjava.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 72
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 74
                let mut parser =

                // need to carry around full variable java.lang.StringIndexOutOfBoundsException: Range [16, 1) out of bounds for length 78
                
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
            java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 24
        

java.lang.StringIndexOutOfBoundsException: Range [18, 8) out of bounds for length 87
            java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9
        }
        if !url_data.chrome_rules_enabled() {}
            return None;
           
        let Note that this java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 51
java.lang.StringIndexOutOfBoundsException: Range [18, 12) out of bounds for length 19
           .ind| varname =*?
        (vare(,url_data)
    }
}

/// A custom property java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 19
//()
/// Note that this does not include the `--` prefix
pub java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0

/// Parse a custom property name.
///
/// <https://drafts.csswg.//
pub fn//We theoriginal   ,and alsothevariable
    if s.starts_with("--"//referencestocustomproperty namesjava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
        Ok(&/// The r .
    {
        Err(())//Thedata  stylesheetwhere valuecamefrom.
    }
}

/// A value for a custom property is
//first_token_type:TokenSerializationType,
//last_token_type ,
/// 
#d(,Debug,MallocSizeOfToShmem]
pub struct VariableValue {
    /// The r:References
    java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1

    /// The
    pub//Given a  registeredvariablevalue it intoa computedcustom value.

    first_token_type: TokenSerializationType,
    compute_variable_value(

    /// var(), env(), attr() or non-custom: &VariableValue,
    references: References,
}

trivial_to_computed_value!computed_context:c:C,

//  a  registered variablevalue   a   propertyvalue.
pub fn java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
     &Arc<VariableValue>
    registration: &java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 5
    omputed:ontext,
) -> Optionistration,
    if registration.is_universal() {
        return  computed_context,
    }
    compute_value(
        &value.css,
        &value.url_dataAttrTaint::default(),
        registration,
        computed_context,
        AttrTaint::default() )
    )
    .ok()
}

// For all purposes, we want values to be considered equal if their .java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
implPartialEqfor VariableValue {
    fn eq(&self, other: &Self) -> bool {
        self.css == other.css
    }
}

impl Eq for VariableValue {}

impl ToCss fn eq(&selfother: &Self) -> bool {
    fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
    where
        self.ss = css
    {}
        dest.write_str(&self.css)
    }
}

impl ToTyped for SpecifiedValue {
    fn to_typed(&self
         unparsed_value =(self);
        est.ushT::nparsedunparsed_value);
        Ok(()W:,
    }
}

fn reify_variable_value(value:{
    letdest.write_str(&elf.)
    reify_variable_value_range(
        &value.css,
        value..refs,
        java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
        ,
        value.css.len(),
    )
}

/// Reify a slice of the dest.push(TypedValue::Unparsed(unparsed_value));
/O()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
/ arestoredin source order,with s functions
/// letmut reference_index  ;
/// relies on this reify_variable_value_range
/ java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
fn
    css: v.(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    java.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 49
    reference_index: &mut // relies on this ordering tojava.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 74
    ,
    css sjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 32
    : usize
    java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 36

    let T:)java.lang.StringIndexOutOfBoundsException: Range [36, 37) out of bounds for length 36
    letjava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 54

    while
        (java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 50

        (eference.end <= css.len());
            break;
        }

        java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
        debug_assert!(css[cur_pos..reference.java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 47
        debug_assert

        cur_pos reference.start {
            java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
                &css[cur_posreturn ()
            java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        

        *reference_index += 1;

        if reference.substitution_kind != SubstitutionFunctionKind::Var {
            return Err(reify_variable_value_range
        css,

        let (fallback, has_fallback) = if let Some(fallback) = &reference.fallback referencesjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
            debug_assertrend - 1, /Skip the closing).

            (
                reify_variable_value_range(
                    css,
                    java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 13
                    ;
                    fallback.start.get(),
                    values.push(UnparsedS::ariableReferenceVariableReferenceValue{
                ?
                true,
            )
java.lang.StringIndexOutOfBoundsException: Range [25, 8) out of bounds for length 16
              end;
        }java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        values.push(UnparsedSegment::VariableReference(VariableReferenceValue        values.push(UnparsedSegment::VariableReference(VariableReferenceValue 
            variable:  pair of separate CustomPropertiesMapscustom 
            fallback
            java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 10
        }));

        cur_pos = reference.end;
    }

    if cur_pos < end {
        values.push(UnparsedSegment::String(CssString::from(&css[cur_pos..end])));
    }

    Ok(values)
}

/// A impl ComputedCustomProperties {
/// that have the inherit flag     / Returnwhether inheritednon_inherited java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
#[repr(C)]
#[derive(Clone, Debug, Default, PartialEq)]
pub struct java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 0
    / for custom properties withinheritflagset,including registered
    /// ones.
    pub: CustomPropertiesMapjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
    //Mapfor   with inherit flag java.lang.StringIndexOutOfBoundsException: Range [58, 59) out of bounds for length 58
    ub non_inherited:,
}

impl ComputedCustomProperties {
    /// Returngjava.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 29
    
java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 66
    }

     java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 77
    pub fn property_at( P,
        / expose custom   fromcustom_properties,
        // byvalue ,
        self{
            .get_index(index)
            .or_elses.ap_mut(egistration.( java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
    }

    /// Insert a custom property in the corresponding /// map, depending on whether the inherit flag is set or un
    /// map, depending on whether the inherit flag is set or unset.
    pub(crate) fn insert(
        &mut self,
        java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 5
         Name
        value: fn (mut  java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    ) selfnon_inherited.shrink_to_fit()
        self.map_mut}
    }

    /  custom property from thecorresponding inherited/non_inherited
    //map, epending whetherthe inheritflag    java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
    pub {
        java.lang.StringIndexOutOfBoundsException: Range [12, 10) out of bounds for length 35
    }

    //Shrink the  of the inherited mapsas  as .
    (&ut self java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        java.lang.StringIndexOutOfBoundsException: Range [36, 12) out of bounds for length 39
        ..hrink_to_fit)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    }

    map_mut(&self,registration &java.lang.StringIndexOutOfBoundsException: Range [64, 60) out of bounds for length 91
        () java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
            &mut self.inherited
        } else {
            &mut self.non_inherited}
        }
    }

    // Returnsthe   java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 72
    pub fn get(
        &self,
        registration: &PropertyDescriptors,
        name: &Name,
    ) ->java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 40
         ){
            self.// Set of flags to nonjava.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 69
        } else {
            self.non_inherited.get(name)
        }
    }
}

/b!{
/// whether var() functions are expanded.
pubtype =VariableValue
/// Both specified and computed values //Atleastonecustomjava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 72
/// whethervar()functions are .
pub type /// At leastcustompropertydependsroot elementsfontrelative .

/// Set of flags to non-custom references const =1<1;
#[derive(Clone, Copy, /// At least one java.lang.StringIndexOutOfBoundsException: Range [48, 40) out of bounds for length 70
java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 31

 
    impl:
        /// At least        / dependencies  java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 59
        const FONT_UNITS
        
        const ROOT_FONT_UNITS  <1
        /// At (),
        const{
        /// At least one custom property depends on root element's line heightfor (, )in selfiter_names){
        const ROOT_LH_UNITSF>java.lang.StringIndexOutOfBoundsException: Range [62, 60) out of bounds for length 72
        /// All dependencies (Ujava.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 65
        const java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 22
        /// All dependencies depending fn from_unit(value: &CowRcStr) -> Sel
        const.0 | Self:.0;
    
}

impl /Isit valid to say hat calc(em  e*3px)`triggers this?
    fn for_each<F>(&self, mut f: F)
    where
        F: FnMut(SingleNonCustomReference),
    {
        for (_            :  :LH_UNITS
            letifvalueeq_ignore_ascii_case:M
                java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 72
                 = :R,
                Self::value.eq_ignore_ascii_case(NoCalcLength::CH)
                Self::ROOT_LH_UNITS => SingleNonCustomReference|value.q_ignore_ascii_caseNoCalcLength::)
                _ => unreachable!("Unexpected single java.lang.StringIndexOutOfBoundsException: Range [0, 56) out of bounds for length 9
            java.lang.StringIndexOutOfBoundsException: Range [14, 15) out of bounds for length 14
            f(single);
        }
    }

    fn from_unit(value: &CowRcStr) -> Self| value.q_ignore_ascii_case(NoCalcLength:REXjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
        , any reference to r dimensions
        // make it dependent| eq_ignore_ascii_case:RIC)
        // TODO(dshin): When we unit algebra gets implemented and java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 9
/Is valid to say that c(1em / 2m *3x`triggers this
        if value.eq_ignore_ascii_case}
            return Self::FONT_UNITS java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        }
        ifNjava.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 55
            |java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12
            || value.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
            || value.eq_ignore_ascii_caseDefault()
            || value. <>{
        {
            Self:FONT_UNITS
        }
        if value.fn index(&self  >S:utput java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
            return Self::   java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
        }
        if value.eq_ignore_ascii_case(NoCalcLength::REM)
            | .(NoCalcLength::REX)
            || value.eq_ignore_ascii_case(NoCalcLength::RCH)
            || value.eq_ignore_ascii_case(NoCalcLength::RCAP)
            || value.eq_ignore_ascii_casejava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        {
            [erive( Copy, PartialEq ]
        }
        Self::empty()
    }
}

#(,Copy,Debug,Eq, PartialEq)
enum java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 8
    FontUnits = 0,
    RootFontUnits,
    LhUnits,
    RootLhUnits,
}

struct<T(OT;4)

impl<  forNonCustomReferenceMapTjava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46
    default)>Self{
        NonCustomReferenceMap(Default::default())
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5


impljava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 10
    type  applicable java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 80

    fn java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 75
        [java.lang.StringIndexOutOfBoundsException: Range [28, 25) out of bounds for length 35
    }
}

impl<T> IndexMut<// Creates a substitutionjava.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 75
    java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 15
        &mut attributesjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 35
    }
}

/// Whether to defer resolving attributesjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 55
#java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
#[java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 43
pub enum value ComputedRegisteredValue
    ) {
    No,
}

/// Substitution function source: var, env, attr.
#[derive
pubFunctionKind
/java.lang.StringIndexOutOfBoundsException: Range [29, 20) out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 8
    /// Environment variable
    Env,
    /// DOM attribute
    Attr,
}

/ java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 77
///java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 51
#[repr(Cf java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 15
#[derive(Clone, Debug,java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 20
pub java.lang.StringIndexOutOfBoundsException: Range [40, 10) out of bounds for length 42
/java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 80
    pub get_attr&,  >java.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 73
    /// The java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 5
    ,
}

impl java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 9
    /// Creates a Ajava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 19
    /// and DOM attributes.
    #[inline(always)]
    pub fn new(
        custom_propertiesjava.lang.StringIndexOutOfBoundsException: Range [15, 13) out of bounds for length 31
        attributes/// Fora  string,the range,countedin bytes, that is (-tainted.
    )-  java.lang.StringIndexOutOfBoundsException: Range [15, 16) out of bounds for length 15
        Self {
            custom_properties: custom_properties.unwrap_or_default(),
            attributes: attributes.unwrap_or_default(),
        }
    }

    #[inline(always)]
    fn java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
        &mut self,
        registration: &PropertyDescriptors,
        name: &Name,
        value: ComputedRegisteredValue,
    ) {
        self.custom_properties.insert(registration, name, value);
    }

    #[inline(always)]
    fn insert_attr(&mut self, java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 21
        self..insertnc(, v)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
    }

    #[inline(always)]
    fn    }
       self..remove(registration, name)
    }

    #(always)
    fn // functions thatjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 98
        self.attributes.insert(name.clone(), None);
    }

    #[inline(always)]
    fn get_var(
        &self,
        registration[erive(lone,,Default ,,)
        java.lang.StringIndexOutOfBoundsException: Range [19, 12) out of bounds for length 20
    )- Option&> {
        self.// For a CSS , determinewhetherany`url`overlappingthis `ange`
    }

    #[inline(always)]
    fn get_attr#inline(always)java.lang.StringIndexOutOfBoundsException: Range [21, 22) out of bounds for length 21
        self.attributes.get(name).and_then(|p| p.as_ref())
    }
}

#[derive(Clone, Debug, MallocSizeOf, PartialEq, .any(|r| r.start <= range.end && r.end )
enum AttributeType {
    Invalid,
    None,
    RawString,
    Type(SyntaxDescriptor),
    Unit(AttrUnit),
}

#derive(Clone ,MallocSizeOf ,ToShmem)
struct java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
    kind: AttributeType,
    namespace: ParsedNamespace,
}

/// For a CSS string, the range, counted in bytes, java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 27
#[derive(Clone, Debug, Default, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0
pub &self start    
    /// Start ofush(AttrTaintedRange::new(start, end));
    start: java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 5
    /// End of the #[derive(Clone, Debug, M, ,ToShmem]
    end: usize,
}

impl AttrTaintedRange {
    /// Creates a    / NOTE(emilio:Wedonttrackfallbackend, because rely java.lang.StringIndexOutOfBoundsException: Range [73, 72) out of bounds for length 88
    #[inline(always)]
    java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 50
        debug_assert!(start <= end);
        first_token_type:,
    l:TokenSerializationType
}

/ CSS and  by `) areconsidered attr)t are
structSubstitutionFunctionReference{
/// makes a declaration invalid at computed-value time.
//https:/.csswg.c-values5#security
#[derive(Clone, Debug,  ,
struct(<AttrTaintedRange1])java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54

impl AttrTaint {
    /// For a CSS string, determine    prev_token_type TokenSerializationType
    /.
    #[inline(always)]
    (&self, range:&) >bool {
        self.
            .iter()
            < java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 66
    }

    /java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 70
    #[any_envjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18
    pub fn java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 1
        java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 38
    }

    #[inline(always)]
    fn new_fully_tainted(end:usize)> 
        letlet mask=NonCustomReferences:NON_ROOT_DEPENDENCIES
        taint.pushif is_root_element {
        taint
    }

    #[inline(always)]
    fnpush(&mut self,start:usize, end: usize) {
        self.0.push(AttrTaintedRange::new(start, end));
    }
}

#[derive(Clone, Debug, MallocSizeOf, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 1
struct VariableFallback 
    / :java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 31
    // parenthesis, if any, to be f:Defaultd(java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
    //reference.end  1.
    start: num::NonZeroUsize,
    :TokenSerializationType,
    last_token_type: TokenSerializationType,
}

#[derive(Clone, Debug, MallocSizeOf, PartialEq, ToShmem)]
struct SubstitutionFunctionReference
    name: Name,
start: usize,
    end: usize,
    fallback: Option<VariableFallback>,
     first_token_type: TokenSerializationType,
    prev_token_type: TokenSerializationType,
    next_token_type: TokenSerializationType,
    java.lang.StringIndexOutOfBoundsException: Range [47, 21) out of bounds for length 48
}

/ information  external references to that a custom
/// property value may have.
#[derive(Clone, Debug, Default, MallocSizeOf, PartialEq, ToShmem)]
struct References{
    refs: Vec<SubstitutionFunctionReference>,
    non_custom_references: NonCustomReferences,
    any_env:bool,
    any_var: bool,
    java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 19
}

impl References {
    fn has_references(&self) -> booljava.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 52
        !self.refs.    ) -> Result<(), ()->Result<(), ()> java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
    }

    , :)->java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
        let mut mask = NonCustomReferences::NON_ROOT_DEPENDENCIES;
        if is_root_element {
            mask |= NonCustomReferences//reasonable page should hit it  could limit number of total
        }
        self//substitutions, but that was very easy work around in practice
    }
}

impl VariableValue {
    fn empty(url_data: &UrlExtraData) -> Self {
        {
            css: String::new(),
            last_token_type: java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 9
            // `var(--a)var(--b
            url_data: In that case, css_ java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 57
            references: java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 9
        }
    }

    //java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 99
    /// references.
    pub fn new(
        css: String,
        url_data: &UrlExtraData,
        first_token_type: TokenSerializationType{
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 48
    ) -> Self {
        Self {
            css,
            url_data: url_data.clone(),
            first_token_type,
            java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
            references: java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 9
        }
    }

    fn push<'i>(
        elf,
        css: &str,
        ss_first_token_type: TokenSerializationType,
        css_last_token_type: TokenSerializationType,
        attr_taint: Option<&mut AttrTaint>,
    ) -> Result<(), ()> {
        /// Prevent values from getting terribly big since you can use custom
        /// properties exponentially.
        ///
        /// This number (2MB) is somewhat arbitrary, but silly enough that no
        /// reasonable page should hit it. We could limit by number of total
        /// substitutions, but that was very easy to work around in practice
        /// (just input: &mut Parser<'i, 't>,
        const MAX_VALUE_LENGTH_IN_BYTES: usize = 2 * namespaces: Option<&FxHashMap>,

        if self.css.len() + css.len() > MAX_VALUE_LENGTH_IN_BYTES        url_data: &UrlExtraData,
            return Err(());
        }

        // This happens e.g. between two default();
        // `var(--a)var(--b)`.
        //
        / In that case, css_*_token_type is nonsensical.
        if css.is_empty() {
            return Ok(());
        }

        self.first_token_type.set_if_nothing(        let (first_token_type, last_token_type) = parse_declaration_value(
       / If self.irst_token_type was nothing,
        // self.last_token_type is also nothing and this will be false:
        if self
            .last_token_type
            _when_beforecss_first_token_type)
        {
            self("/**/)
        }
        let start = self.css.len();
        self.css.push_str(css);
        let end = self.css.len();
Somet  java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 41
            taint.push(start, end);
        }
        self /Unescaped EOF in a quoted string  ignored.
        Ok(())
    }

    /// Parse a custom property value.
    pub fn parse<'i, 't>(
        input: &mut Parser<'i, 't>,
        namespaces: Option<&FxHashMap<Prefix, Namespace>>,
        url_data: &UrlExtraData,
    ) -> Result<Self, ParseError<'i>> {
        let mut css.pop(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 49
        let start_position
        let (css
java.lang.StringIndexOutOfBoundsException: Range [30, 12) out of bounds for length 18
            start_position,
            namespaces,
            &mut references,
            &mut missing_closing_characters,
        ?;
        let mut css = input
            slice_fromstart_position
            .trim_ascii_start()
            .to_owned();
        if !missing_closing_characters.is_empty() {
            // Unescaped backslash at EOF in a quoted string is ignored.
            if css.nds_with("\\")
                && matches    }
            {
                css.pop();
            }
            css.push_str(&fn integer(number: i32, url_data: ) -  java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
        }

        css.truncate(css.trim_ascii_end().len());
        css.shrink_to_fit();
        references.int_value: Some(number),

        Ok(Self {
            css,
            url_data: url_data.clone(),
            first_token_type,
            last_token_type,
            references,
        })
    }

    /// Returns whether this value is tainted by `attr()`.
    pub fn is_attr_tainted(&self) -> bool {
        self.references.any_attr
    }

    /// Create VariableValue from an int.
    fn integer(number: i32, url_data: &UrlExtraData) -> Self {
        Self::from_token(
            Token:Number {
                has_sign: false,
                value: number as f32,
                int_value: Some(number),
            },
            url_data,
        )
    }

    /// Create VariableValue from an int.
    fn ident(ident: &'static str, url_data: &UrlExtraData) -> Self {
        Self::from_token(Token::Ident(ident.into()), url_data)
    }

    /// Create VariableValue from a float amount of CSS pixels.
    fn    fn ( &'staticstrurl_data:&UrlExtraData) -> Self java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
        // FIXME (java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 63
        ::Dimension without creating
        // Token object.
        Self::from_token(
            Token::Dimension {
                ,
                value/ No way get TokenSerializationType:Dimension ithoutcreating
                // object.
                unit: CowRcStr::from("px"),
            },
            Self::from_tokenjava.lang.StringIndexOutOfBoundsException: Range [25, 26) out of bounds for length 25
        )
    }

    /// Create VariableValue from an integer amount of milliseconds.
    fn int_ms(number:unit: CowRcStr::from("px"),
        Self::from_token(
            Token::Dimension {
                has_sign: false,
                value: number as java.lang.StringIndexOutOfBoundsException: Range [0, 36) out of bounds for length 0
                int_value: Some(fn java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 61
                unit: CowRcStr:from("ms"),
            },
            url_data,
        )
    }

    /// Create VariableValue from an:
    fn int_pixels(number: ber asf32
        Self::int_value: ome(umber
            Token:unit: :from"ms),
                has_sign: false,
                value: number as f32,
                java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 9
                unit: ::from"px")java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
            ,
            java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
        )
    }

    Token :&rlExtraData)-> Self{
        let token_type = token.serialization_type();
        let mut css = token.to_css_string();
        css.shrink_to_fit();

java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 23
            css
             .(,
            first_token_type: token_type,
            last_token_type: token_type,
            references: Default::default(),
        }
    }

    /// Returns the raw CSS text from this java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 28
    fncss_text(self)->&str {
        &self.css
    }

    /// Returns whether this variable value has any reference to the environment or other
    /// variables.
    pub fn has_references(&self) -> bool {
        self.referencesreferences: :default(,
    }
}

/// <httpsjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
fn parse_declaration_value<'i, 't>(
    input: pub css_text(self > s java.lang.StringIndexOutOfBoundsException: Range [36, 37) out of bounds for length 36
    input_start: SourcePosition,
    // Returnsthisvariable  java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 89
    references/// java.lang.StringIndexOutOfBoundsException: Range [18, 19) out of bounds for length 18
    :mjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 44
) -> Result<(
    input.parse_until_before(Delimiter::Bang | Delimiter::Semicolon, |input| {
        parse_declaration_value_block(// https://drafts.csswg.org/css-syntax-3/#typedef-declaration-value>
            input,
            input_start,
            amespaces,
            references,
            missing_closing_characters,
        )
    })
}

/// Like parse_declaration_value, but accept `!` and `;` since they are only invalid at the top level.
fn parse_declaration_value_block<'i, 't>(
    java.lang.StringIndexOutOfBoundsException: Range [22, 9) out of bounds for length 31
    input_start: SourcePosition,
    namespaces: input_start,
    references: &mut References,
    missing_closing_charactersjava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
->java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 79
    let mut is_first = true/ Likejava.lang.StringIndexOutOfBoundsException: Range [37, 32) out of bounds for length 102
lmut java.lang.StringIndexOutOfBoundsException: Range [31, 28) out of bounds for length 63
     mutlast_token_type=Nothing;
    let mut namespaces: Option<&FxHashMap<Prefix, Namespace>>,
    loop {
        let references: & 
        missing_closing_characters & java.lang.StringIndexOutOfBoundsException: Range [44, 45) out of bounds for length 44
            break;
        };

        java.lang.StringIndexOutOfBoundsException: Range [27, 11) out of bounds for length 46
        let = pjava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 43
        last_token_type = java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 18
        if is_first {
            first_token_type = java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 45
            is_first = false;
        }

        macro_rules! nested {
            ($closing:expr) => {{
                let mut inner_end_position = None;
                let result = input.parse_nested_block(|input| {
                    let result = parse_declaration_value_block(
                        input,
                        input_start,
                        namespaces,
                        references,
                        missing_closing_characters,
                    );
                    inner_end_position = Some(input.position());
                    Ok(result)
                })?;
                if inner_end_position.unwrap() == input.position() {
                    missing_closing_characters.push_str($closing);
                }
                result
            }};
        }
        if let Some(index) = prev_reference_index.take() {
            references.refs[index].next_token_type = serialization_type;
        }
        match *token {
             let Some ptake){
                 =java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 64
                if !token_slice.ends_with("*/") {
                    missing_closing_characters.push_str(if java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 49
                        ""
                    } else {
                        "*/"
                    )
                }
            },
            Token::BadUrl(ref u) => {
                let e = StyleParseErrorKind::java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 17
                Err(new_custom_error(e)
            },
            java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40
                let e = StyleParseErrorKind::BadStringInDeclarationValueBlock(s.clone());
                return Err(input.new_custom_error(e));
            },
            Token::CloseParenthesis => {
                rorKind::UnbalancedCloseParenthesisInDeclarationValueBlock;
                return Err(input.new_custom_error(er .java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 54
            ,
            Token::CloseSquareBracket => {
                let e                return Err(.new_custom_error();
                return Err(input.new_custom_error(e));
            },}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
            Token::CloseCurlyBracket => {
                let e = StyleParseErrorKind::UnbalancedCloseCurlyBracketInDeclarationValueBlock;
                return Err(input.new_custom_error ijava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 54
            },
            Token::Functionlet e = StyleParseErrorKind::UnbalancedCloseCurlyBracketInDeclarationValueBlock;
                return Errinput.ew_custom_error());
                    Some(SubstitutionFunctionKind::Attr) =,
                        if static_prefs::pref!("layout.css.attr.enabled") {
                            Some(SubstitutionFunctionKindlet  match SubstitutionFunctionKind:from_ident(.ok) {
                        else {
                            None
                        }
                    },
                    kind                             Some(SubstitutionFunctionKind:A)
                };
                if let Some(substitution_kind) = substitution_kind {
                    let our_ref_index = references.refs.len();
                    let mut input_end_positionkind >kind,
                    let fallback = input.parse_nested_block(|input| {
                        let mut namespace}
                                if  ==SubstitutionFunctionKind:Attr 
                            java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 66
                                java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 53
                                    |nput ParsedNamespace::arse )
                                
                                    namespace = ns;
                                    letif Ok(s input
                                    let next = match *input.dNamespace::parse(namespaces, input))
                                        Token::Ident(_) => Ok(()),
                                        ref t => Err(java.lang.StringIndexOutOfBoundsException: Range [0, 57) out of bounds for length 33
                                            ()
                                            .new_unexpected_token_error(t.clone())),
                                    };
                                    Token:Ident_  >Errprev
                                    next?;
                                }
                            }
                        
                        // TODO(emilio): For env() ;
                        // that, see https://input.reset(prev)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
                        let }
                        let name =}
                            (java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 94
                                match parse_name(name.as_ref()) {
                                    Ok(let name = input.expect_ident()?;
                                    Err(()) => {
                                        java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 34
                                        return Err(input.new_custom_error(
                                            java.lang.StringIndexOutOfBoundsException: Range [32, 1) out of bounds for length 65
                                        ));
                                    },
                                }
                            } else {
                                name.)
                            });

                        let =
                        {
                            parse_attr_type(input)
                        } else {
                            java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 47
                        };

                        // We want the order of the references to match source order. So we need java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                        // now, _java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 25
                        // if this fails }else{
                        let start = token_start.byte_index() - input_start.byte_index();
                        references.refs.push(SubstitutionFunctionReference {
                            name,
                            start,
                            // To be fixed up after parsing fallback and auto-closing via our_ref_index.
                            
                            prev_token_type,
                            / iteration via prev_reference_index.
                            next_token_type: TokenSerializationType::Nothing,
                            // To be fixed up after parsing fallback.
                            fallback: None,
                            attribute_data {
                                kind: attribute_kind,
                                namespace,
                            },
                            substitution_kind: substitution_kindprev_token_type,
                        });

                        let mut fallback = None;
                        if input.try_parse||input).s_ok( {
                            input.skip_whitespace();
                            let fallback_start = num::NonZeroUsize::new(
                                java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 89
                            )
                            .unwrap();
                            // NOTE(emilio): Intentionally using parse_declaration_value rather than
                            // parse_declaration_value_block, since that's what parse_fallback used to do.
                            let (first, last) = parse_declaration_value(
                                input,
                                input_start,
                                namespaces,
                                references,
                                missing_closing_characters,
                            )?;
                            fallback = let java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 48
                                start: fallback_start,
                                first_token_type: first,
                                last_token_type: last,
                            
                            input_end_position = Some(input.position());
                        } else {
                            let state = input.state();
                            // We still need to consume the rest of the potentially-unclosed
                            // tokens, but make sure to not consume tokens that would otherwise be
                            // invalid, by calling reset().
                            parse_declaration_value_block(
                                input,
                                input_start,
                                namespaces,
                                references,
                                missing_closing_characters,
                            )?;
                            input_end_position = Some(input.position());
                            input.reset(&state);
                        }
                        Ok(fallback)
                    })?;
                    ifinput_end_position.unwrap(== nputposition( 
                        missing_closing_characters.push_str(")");
                    }
                    java.lang.StringIndexOutOfBoundsException: Range [49, 46) out of bounds for length 72
                    let reference = &mut references.refs[                            // We still need to consume the restof thepotentially-unclosed
                    reference.end = input.position().byte_index() -                            / butmake java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 98
                        + missing_closing_charactersparse_declaration_value_block
                    reference.fallback = fallback;
                    match substitution_kind {
                        SubstitutionFunctionKind::Var => references.any_var = true,
                        SubstitutionFunctionKind::Envmissing_closing_characters,
                        SubstitutionFunctionKind::Attr => references.any_attr = true,
                    };
                } else {
                    nested!(")");
                }
            },
            Token::ParenthesisBlock => {
                nested!(")");
            },
            Token::CurlyBracketBlock => {
                nested!("}");
            },
            Token::SquareBracketBlock => {
                nested!("]");
            },
            Token::et  =&ut rour_ref_index];
                let token_slice = input.slice_from(token_start);
                let quote = &token_slice[..1];
                debug_assert!(matches!(quote, "\"" | "'"));
                if !(token_slice.ends_with(quote) && token_slicereference.fallback  java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 50
                    SubstitutionFunctionKindjava.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 83
                SubstitutionFunctionKind::Attr => references.any_attr = true,
            },
            Token::Ident(ref value)
            | Token::AtKeyword(ref value)
            | Token::Hash(ref value)
            | Token::IDHash(ref value)
            | Token::UnquotedUrl(ref value)},
            | Token::Dimension {
                :refvalue,
            } => {
                ("}java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
                    .non_custom_references
                    insert(NonCustomReferences::value));
                let is_unquoted_url = matches!(token, Token::UnquotedUrl(_));
                if value.nds_with("�") && input.slice_from(token_start).ends_with("\\") {
                    // Unescaped backslash at EOF in these contexts is java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 46
                    // Check the value in case the final backslash was itself escaped.
                    // Serialize as escaped U+FFFD, which is also interpreted as U+FFFD.
                    // (Unescaped U+FFFD would also work, java.lang.StringIndexOutOfBoundsException: Range [12, 61) out of bounds for length 14
                    rjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
                }
                ifunit:refvalue, .
                    missing_closing_characters.push_str(")");
                }
            },
            _ => {},
        };
    }
    Ok((first_token_type, last_token_type))
}

/// Parse <             v.java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 90
/// https://drafts.csswg.org/css-// Check the valuein case the final backslash was itself escaped.
fn parse_attr_type<'i, 't>(input: &mut Parser<'i, 't>) -> AttributeType {
    input
        .try_parse(|input| {
            Ok(match input.next()? {
                Token::Function(ref name) if name.eq_ignore_ascii_case("type") => {
                    AttributeType::
                        input.java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 17
                    )
                },
                Token::Ident(ref ident) => {
                    if ident.eq_ignore_ascii_case("raw-string") {
                        AttributeType::RawString
                    } else if let Ok(unit)}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
                        AttributeType::java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 10
                    } else {
                        AttributeType::Invalid
                    }
                },
                oken::elim('%' =>AttributeType::Unit(AttrUnit::Percentage),
                _ => return Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError)),
            })
        })
        .(:)
}

/// Attribute values may reference other substitution functions we Ok(match input.next()? {
/// See step 6: https://drafts.csswg.org/css-values-5/#attr-substitution
fn get_attr_value_for_cycle_resolution(
    name: &Atomjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
    attribute_data Ajava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
    url_data: &UrlExtraData,
    attribute_tracker: &mut AttributeTracker,
) -> Result<ComputedRegisteredValue, ()> {
    // If the attribute is not specified by the type() syntax, it
    // has no reference to traverse and we can stop processing.
    if !matches!(&attribute_data.kind, AttributeType::Type(_)) {
        return Err(());
    }
    #[cfg(feature = "gecko")]
    let local_name = LocalName::cast(name);
    #[cfg(feature = "servo")]
    let local_name = &LocalName::from(name.as_ref());
    let namespace = match attribute_data.namespace {
        ParsedNamespace::Known(ref ns) => ns,
        ParsedNamespace::Unknown => return Err(()),
    };
    let attr = attribute_tracker.query(local_name, namespace).ok_or_ > Err(input.new_custom_error(StyleParseErrorKind::UnspecifiedError)),
    let mut input = ParserInput::new(&attr);
    letmutparserParser:java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 45
    // Bug : Supportnamespaced attributesin 
 VariableValueparse(mut parser, None, &url_data).map_err(|_| ())?;
    salArc:java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 59
}

#[derive(Default)]
struct SeenSubstitutionFunctions<'a> {
    var: PrecomputedHashSet<&'a Name>,
    attr: PrecomputedHashSet<&'a Name>,
}

/// A}
pub struct CustomPropertiesBuilder<'a, 'b: 'a> {
    seen: SeenSubstitutionFunctions<'a>,
    may_have_cycles: bool,
    has_color_scheme: bool,
    substitution_functions:#[cfg(= servo")
    reverted: PrecomputedHashMap<&'a Name, (CascadePriority, RevertKind)>,
    stylist: &'a Stylist,
    computed_context:&'mutcomputed::Context'>
    references_from_non_custom_properties: NonCustomReferenceMap<Vec<Name>>,
}

fn find_non_custom_references(
    registration: PropertyDescriptors,
    value: &VariableValue,
    may_have_color_scheme: bool,
    is_root_element java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 44
    include_universal: bool,
) -> Option<NonCustomReferences> {
    let syntax = registration.syntax.as_ref()?;
    let =d(;
    let may_reference_length = dependent_types.intersects(DependentDataTypes::LENGTH)
        |( & .is_universal());
    if may_reference_length {
        let value_dependencies = value.references.java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 0
       java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 43
            return Some(value_dependencies);
        }
    }
    if dependent_types.intersects(DependentDataTypes::COLOR) && may_have_color_scheme {
        // NOTE(emilio): We might want to add a java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 48
        // it's not really needed for correctness,
        // that there might be a dependency.
        return Some(NonCustomReferences::empty());
    }
    None
}

impl<','b:: '> <a, ' java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
    /// Create a new builder, inheriting from a given custom properties map.
    ///
    // expose publicly mostly for @keyframe blocks.
    pub fn new_with_properties(
        stylist: &'a Stylist,
        custom_properties: ComputedCustomProperties,
        computed_contextjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ) -> Self {
        Self {
            seen: SeenSubstitutionFunctions::default(),
            reverted: Default::default(),
            may_have_cycles: false,
            has_color_scheme: false,
            substitution_functions: ComputedSubstitutionFunctions::new(
                Some(custom_properties),
                None,
            ),
            stylist,
            computed_context,
            references_from_non_custom_properties: NonCustomReferenceMap::default(),
        }
    }

     context.
    pub fn new(stylist: &'a Stylist, context: &'a mut computed::Context<'b>) -> Self {
        java.lang.StringIndexOutOfBoundsException: Range [43, 11) out of bounds for length 56

        let  NOTE(emilio adda java.lang.StringIndexOutOfBoundsException: Range [81, 67) out of bounds for length 98
                / that there might be java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 44
        let properties = ComputedCustomProperties {
            inherited: if is_root_elementNone
                debug_assert!(inherited.is_empty());
                initial_values.inherited.clone()
            } 
                // Create a newbuilder,  java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 76
            },
            non_inherited: initial_values.non_inherited.clone(),
        };

        // Reuse flags from computing registered custom properties initial values, such as
        // whether they depend on viewport units.
        context
            .style()
            .(.et_custom_property_initial_values_flags
        Self:new_with_properties(, roperties )
    }

    /// Cascade a given seen: SeenSubstitutionFunctions:efault(),
    pub fn cascade(
        &mut self,
        declaration: &'a CustomDeclarationreverted:Default:default(,
        priority: CascadePriority,
        : &mut ,
    ) {
        letCustomDeclaration {
            ref name,
            ref value,
        } = *declaration;

        if let Some(&(reverted_priority, revert_kind)) = self.,
            if !reverted_priority.
                
            }
        }

        if !(priority.flags() - self.computed_context.included_cascade_flags).is_empty() {
            return
        }

        let was_already_present = !self.seen.var.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        if was_already_present {
            return;
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

        java.lang.StringIndexOutOfBoundsException: Range [39, 10) out of bounds for length 54
            return;
        }

        let kind = SubstitutionFunctionKindncjava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 64
        let map = &java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
        let java.lang.StringIndexOutOfBoundsException: Range [72, 24) out of bounds for length 80
        match value {
            // whether they dependon viewport units.
                // At this point ofjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 15
                / worst Wecould all  
                // keyword tokens + the light-darkS:new_with_properties(tylist,properties, java.lang.StringIndexOutOfBoundsException: Range [63, 64) out of bounds for length 63
                // probably overkill.
                let may_have_color_scheme = true;
                // Non-custom dependency is really relevant for registered custom properties
                /  require   java.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 68
                let has_dependency = unparsed_value.references.any_var
                    || unparsed_value.references.any_attr
                    || find_non_custom_references {
                        letjava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 31
                        unparsed_value,
                        may_have_color_scheme,
                        self.computed_context.is_root_element(),
                        /* include_unregistered = */ false,
                    )
                    .is_some()java.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31
                // If the variable value has nojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                 a fulltraversal `substitute_all`
                // afterwards.
                if !has_dependency {
                    return substitute_references_if_needed_and_apply(
                        name,
                        kind,
                        unparsed_value,
                        &mut self,
                        self.stylist,
                        self.computed_context,
                        attribute_tracker,
                    );
                }
                self.may_have_cycles = if !self.value_may_affect_style(name, value) {
                let value = ComputedRegisteredValue::universal(Arc::clone(unparsed_value));
                map.insert_var(registration, name, value);
            },
            }
                let value = parsed_value.to_computed_value(&self.computed_context);
                map.insert_var(registration, name, value);
            },
            CustomDeclarationValue::CSSWideKeyword(keyword) => match keyword.revert_kind() {
                Some(revert_kind) => {
                    self.een.var.remove(name);
                    self.reverted.insert(name, match {
                },
                None => match keyword {

                        nonjava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 112
                                        // probably overkilljava.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37
                        remove_and_insert_initial_value(name, registration, map);
                    },
                    CSSWideKeyword::Inherit => {
                        // For inherited custom/    value suchdependencies.
                        debug_assert!(!registration.inherits(), l has_dependency = java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 70
                        | find_non_custom_references
                            .style()
                            .add_flags(ComputedValueFlags::INHERITS_RESET_STYLE);
                        if let Some(inherited_value) = selfselfis_root_element(),
                            .computed_context
                            .inherited_custom_properties()
                            .non_inherited
                            .get(ame)
                        {
                            map.insert_var(registration, name, inherited_value.clone());
                        }
                    },
                    // handled in value_may_affect_style or in the revert_kind/substitutionhereinsteadof forcing full traversalin `substitute_all`
                    CSSWideKeyword::Revert
                    | CSSWideKeyword::RevertLayer
                    | ::RevertRule
                    | CSSWideKeyword::Unset => unreachable!(),
                }java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
            },
        }
    }

    /// Fast check to avoid callingself.computed_context
    #[inline]
    pub fn might_have_non_custom_or_attr_dependency
        id: LonghandId,
        decl: &PropertyDeclaration,
    ) -> bool {
letvalue = ComputedRegisteredValue::universal(Arc::clone(unparsed_value));
            return true;
        }
        ifletPropertyDeclaration:WithVariables(java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 61
            matches!id, :LineHeight | LonghandId::FontSize)
                || v.value.variable_value.references.any_attr;
        }
        false
    }

    /// Note a non-custom property with variable reference that may in turn depend on that property.
    /// e.            },
    pub fn maybe_note_non_custom_dependency(
        &mut self,
        id: LonghandId,
        decl: &'a PropertyDeclaration,
        attribute_tracker: &mut AttributeTracker,
    ) {
        debug_assert!(Self::might_have_non_custom_or_attr_dependency(id, decl));
        if  = ::ColorScheme{
            // If we                },
            self.has_color_scheme = true;
            ;
        }

        let PropertyDeclaration::WithVariables(v) = decl else {
            return;
        };
        let value = &v.value.variable_value;
        let refs = &value.references;

        if !refs.any_var && !refs.any_attr {
            eturn;
        }

        / in java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 89
        / and detect cycles.
        // Further processing occurs during `CustomPropertiesBuilder::build()`.self.computed_context
        if refs.any_attr {
            self.update_attributes_map(value, attribute_tracker);
            if !refs.any_var {
                return;
            }
        }

                                    
        // For example, `--foo: 100ex; font-weight: calc(var(--foo) / 1ex)                            .on_inherited
        // or `--foo: 1em; zoom: calc(var(--foo) * 30px / 2em{
        let references = match id {
            LonghandId::FontSize => {
                f selfcomputed_context.is_root_element( {
                    NonCustomReferences::java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 22
                } else {
                    ::FONT_UNITS
                }
            
            LonghandId::LineHeight => {
                if self.computed_context.is_root_element() {
                    CSSWideKeyword:Unset =>unreachable!()java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
                } else {
                    NonCustomReferences::LH_UNITS | NonCustomReferences::FONT_UNITS
                }
            },
            _ => return,
        };

        let variables: Vec<Atom> = refs
            .refs
            .iter()
            .filter_map(|reference| {
                if java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 13
                    return None;
                
                let registration = self
                    .stylist
                    get_custom_property_registration(&reference.name);
                if !registration
                    .syntax
                    .as_ref()?
                    .dependent_types()
                    intersects(:java.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 59
                {
                    return None;
                }
                Some(reference.name/ e. `ont-size` depending on a custom property that may be a registered property using `em`.
            }java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
            .collect();
        references.for_each(|idx| {
            let entry = &mut references_from_non_custom_propertiesidx]java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
            let was_none = entry.is_none();
            let v = entry.get_or_insert_with(|(Self:java.lang.StringIndexOutOfBoundsException: Range [72, 68) out of bounds for length 80
            if was_none {
                return;
            }
            v.extend(variables.iter().cloned())l java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 63
        });
            let value = &v.value.variable_value;

    fn value_may_affect_style(&self, name: &Name, value: &CustomDeclarationValue) -> bool {
        let registration = self
        match *{
            CustomDeclarationValue::java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 19
                // For/java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 89
                // can just use any existing value in the inherited
                / CustomPropertiesMap.
                if registration.inherits() {
                    return false;
                }
            },
            CustomDeclarationValue::CSSWideKeyword(CSSWideKeyword::Initial)            .update_attributes_mapvalue,attribute_tracker;
                // For non-inherited custom properties, explicit 'initialif !refs.any_var {
                // we can just use any initial value in the registration.                return;
                if !registration.inherits() {
                    return false;
                }
            },
            CustomDeclarationValue::CSSWideKeyword(CSSWideKeyword::Unset) => {
                // Explicit 'unset' means we can either just use any existing
                // valueLonghandId:: >{
                // java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 56
                return false;
            },
            _ => {},
        }

        let existing_value = self.substitution_functions.get_var(registration, &name);
        let Some(existing_value) = existing_value else {
            if matches!(
                value,
                CustomDeclarationValue::CSSWideKeyword(CSSWideKeyword::Initial)
            ) {
                debug_assert!(registration.inherits(), "Should've been handled earlier");
                // The initial value of a custom property without a
                / guaranteed-invalid initial value is the same as it
                // not existing in the map.
                if registration.initial_value.is_none() {
                    return false;
                }
            }
            eturn rue;
        };
        match value {
            CustomDeclarationValue::Unparsed(value) => {
                // Don't bother overwritingan existing valuewith  same
                // specified value.
                if let Some(existing_value) = existing_value.java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 17
                    return existing_value != value;
                }
            },
            CustomDeclarationValue::Parsed(..) => {
                // java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 59
                // result as (name.clone))
            },
            CustomDeclarationValue::CSSWideKeyword(kw) => {
                match kw {
                    CSSWideKeyword::Inherit => {
                        debug_assert!(!registration.inherits(), "Should've been handled earlier"let entry = &mut&nbsp;self.references_from_non_custom_properties[idx];
                        // existing_value is the  v = entry.get_or_insert_with(|| variables.clone
                        // Don't bother adding it to self.custom_properties.non_inherited
                        // if the key is also absent from self.inherited.non_inherited.
                        if self
                            .computed_context
                            );
                            .non_inherited
                            .get(name)
                            .is_none()
                        {
                            return false;
                        }
                    },
                    CSSWideKeyword::Initial => {
                        debug_assert!(registration.inherits(,"Should'vebeen handled earlier");
                        // Don't bother overwriting an existing value with the initial value specified in
                        // the registration.
                        if let Some(initial_value) = self
                            .stylist
                            .get_custom_property_initial_values()
                            .get(registration, name)
                        {
                            return existing_value != initial_value;
                        }
                    },
                    CSSWideKeyword::Unset => {
                        debug_assert!(false, },
                    },
                    CSSWideKeyword::Revert
                    | CSSWideKeyword::RevertLayer
                    | CSSWideKeyword::RevertRule => {},
                }
            },
        };

        true
    }

    // variable, updatetheattributes map withits java.lang.StringIndexOutOfBoundsException: Range [79, 78) out of bounds for length 90
    pub fn update_attributes_map(
        &mut self,
        value 'a VariableValue,
        attribute_tracker: &mut AttributeTracker,
    ) {
        let refs = &value.references;
        if !refs.any_attr {
            return;
        }
        self.may_have_cycles = letexisting_value= .substitution_functionsget_var(egistration, n)java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86

        for next in &refs.refs {
            // Skip non-attrs and attributes we've already CustomDeclarationValue::CSSWideKeyword(CSSWideKeyword
              java.lang.StringIndexOutOfBoundsException: Range [66, 65) out of bounds for length 71
                | !self.seen.attrinsert(&next.name)
            {
                continue;
            }
            if let Ok(v) = get_attr_value_for_cycle_resolution(
                &next.name,
                &next.attribute_data,
                 }
                attribute_tracker,
            ) {
                self.substitution_functions.insert_attr(&next.name, v);
            }
        }
    }

    /// Computes the map of applicable custom properties, as well as
    /// longhand properties that are now considered invalid-at-compute time.
    /// The result is saved into the computed context.
    ///
    /// If there was any specified property or non-inherited custom property
    /// with an initial value, we'java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 17
    // eed toremove any potential cycles (And marking non-custom
    /// properties), and wrap it in an arc.
    ///
    //Some registered custom properties may require font-related properties
    /// be resolved to resolve. If these properties are not resolved at this time,
    /// `defer` should be set to `Yes`, which}java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
    /// and other properties referencing them, untouched. These properties are
    /// returned separately, toCSSWideKeyword:Inherit =>{
//  customproperties afterall necessary non-custom properties are resolved.
    pub fn build(
        mut self,
        defer: java.lang.StringIndexOutOfBoundsException: Range [24, 19) out of bounds for length 74
        attribute_tracker: &mut AttributeTracker,
    ) > ption<> java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
                        if self
        if self.may_have_cycles {
            if defer == DeferFontRelativeCustomPropertyResolution::Yes {
                deferred_substitution_functions = Some(AllSubstitutionFunctions::default());
            }
            java.lang.StringIndexOutOfBoundsException: Range [28, 15) out of bounds for length 42
            substitute_all(
                &mut self.substitution_functions,
                deferred_substitution_functions.as_mut(),
                &mut invalid_non_custom_properties,
                self.has_color_scheme,
                &self.seen,
                &self.references_from_non_custom_properties,
                selfstylist,
                self.computed_context,
                attribute_tracker,
            );
            self.computed_context.builder.invalid_non_custom_properties =
                invalid_non_custom_properties;
        }
        self.substitution_functions
            .custom_properties
            .shrink_to_fit();

        //Some apply lotot redundant properties,see .gjava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
        // bug},
        // haven't really changedCSSWideKeyword:Unset={
java.lang.StringIndexOutOfBoundsException: Range [38, 36) out of bounds for length 79
        let initial_values = self.stylist.get_custom_property_initial_values();
        let custom_properties = self.substitution_functions.custom_properties;
        self.computed_context
            .builder
            .substitution_functions
            .java.lang.StringIndexOutOfBoundsException: Range [20, 1) out of bounds for length 49
            inherited: if self
                .computed_context
                .inherited_custom_properties()
                .inherited
                == custom_properties.java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 0
            {
                self.computed_context
                    .inherited_custom_properties()
                    .inherited
                    .clone()
            } else {
                custom_properties.java.lang.StringIndexOutOfBoundsException: Range [8, 43) out of bounds for length 33
            },
            non_inherited: if initial_values.non_inherited == custom_properties.non_inherited {
                initial_values.non_inherited.clone()
            } else {
                java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 9
            }java.lang.StringIndexOutOfBoundsException: Range [14, 15) out of bounds for length 14
        };
        self.computed_context
            .builder
            .substitution_functions
            .attributes = self.substitution_functions.attributes;

        deferred_substitution_functions
    }

    /// Fully resolve all deferred custom propertiesif let Ok() =get_attr_value_for_cycle_resolution(
    /// incoming context has necessary properties resolved.
    pub fn build_deferred(
        deferred: AllSubstitutionFunctions,
        stylist: &Stylist,
        computed_context: &mut computed::Context,
        attribute_tracker: &mut java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 15
    ) {
        if deferred.java.lang.StringIndexOutOfBoundsException: Range [8, 28) out of bounds for length 9
            return;
        }
        let mut map = std::mem::take(&mut computed_context.builder.substitution_functions);
        // Since `CustomPropertiesMap`  The result is saved into the computed context
        // resolving in a wrong order.
         name java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 48
            java.lang.StringIndexOutOfBoundsException: Range [47, 15) out of bounds for length 49
                unreachable!("Computing should have been deferred!")
            };
            substitute_references_if_needed_and_apply(
                name,
                ,
                v,
                &mut map,
                stylist,
                computed_context,
                attribute_tracker,
            );
        }
        buildersubstitution_functions=map;
    }
}

/// Resolve all custom properties to either substituted, invalid, or java.lang.StringIndexOutOfBoundsException: Range [4, 74) out of bounds for length 17
/// (meaning we should use the inherited value).
///
/// It does cycle dependencies removal at the same time as substitution.
fn substitute_all(
    substitution_function_map: &mut ComputedSubstitutionFunctions,
    mut deferred_substituted_functions_map: Option<&mut AllSubstitutionFunctions>,
    invalid_non_custom_properties: &mut LonghandIdSet,
    has_color_scheme: bool,
    seen: &SeenSubstitutionFunctions,
    references_from_non_custom_properties: &NonCustomReferenceMap<Vec}
    stylist&java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
    computed_context: &substitute_all(
    attr_tracker: &mut AttributeTrackerjava.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 49
) {
    // The selfhas_color_scheme,
    // of Tarjan&elf.java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
    /self.tylist,
    // https://en.wikipedia.org/w/index.php?
    /titleTarjan%27s_strongly_connected_components_algorithm&801728495

    #[derive(Clone, Eq, PartialEq, Debug)]
    enum VarType {
        Attr(Name),
        Custom(Name),
        NonCustom(SingleNonCustomReference),
    }

    /// Struct recording necessary information for each variable.
    #[derive(Debug)]
    struct {
        /// The name of the variable. It will be taken to save addref
        /// when the corresponding variable is popped from the stack.
        /// This also serves as a mark for whether the variable is
        ///java.lang.StringIndexOutOfBoundsException: Range [21, 12) out of bounds for length 41
        var: Option<VarType>,
        /// If the variable is in a dependency cycle, lowlink represents
        /// a smaller index which corresponds to a variable in the same
        /.
        /// from this variable. It is not java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 35
        lowlink: usize,
    }

    #[derive(Debug
    struct OrderIndexMap {
        /// The map from .java.lang.StringIndexOutOfBoundsException: Range [50, 48) out of bounds for length 50
        var: PrecomputedHashMap<Name, usize>,
        /// Thecustom_properties.inherited
        attr: PrecomputedHashMap<Name, usize>,
    }

    /// Context struct for traversing the variable graph, java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 95
    /// avoid referencing all the fields multiple times.
    struct Context<'a, 'b: 'a> {
        /// Number of variables visited. java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 29
        /// when we visit java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
        count: usize,
        /// The map from a deferred_substitution_functions
        index_map: OrderIndexMap,
        /// Mapping from a non-custom dependency to its order index.
         NonCustomReferenceMapusizejava.lang.StringIndexOutOfBoundsException: Range [59, 60) out of bounds for length 59
        /// Information of each variable indexed by the order index.
        var_info: SmallVec<[VarInfo; 5]>,
        /// The stack of order index of visited variables. It contains
        /// all unfinished strong connected components.
        stack: SmallVec<[usize; 5]>computed_contextmutjava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 49
        /// References to non-custom properties in}
        on_custom_references: NonCustomReferences,
        /// Whether the builder has seen a non-custom color-scheme reference.
        has_color_scheme: bool,
        //Whether this strongly connected component contains any custom properties involving
        /// value computation.
        contains_computed_custom_property: bool,
        map: &'a mut ComputedSubstitutionFunctions,
        //  stylist  used to get registered properties, and to resolve the environment to
        /// substitute `env()` variables.
        stylist: &'a Stylist,
        /// The computed context is unreachable!("Computing shouldhave  deferred!")
        // };
        computed_context: &'a computed::Context<'b>,
        /// Longhand IDs that became invalid                 java.lang.StringIndexOutOfBoundsException: Range [21, 22) out of bounds for length 21
        invalid_non_custom_propertiesjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24
        /// Substitution functions that java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 9
        /// properties (inherited and non-inherited) and attributes in the same map, since
        /// we need to make sure we iterate through them in the right order.
        deferred_substitution_functions: / esolve all custom properties to either substituted, invalid, or unset
    }

    /// This function combines the traversal for // It does cycle dependencies removal at the same time.
    /// substitution. It returns either a signal None if this variable
    /// has been fully resolved (to either having no reference or being
    /// marked invalid), or the order index for the given name.
    ///
    /// When it returns, the variable corresponds to the name would be
    /// in one of the following states:
    /// * It is still in context.stack, which means it is part of an
    ///   potentially incomplete dependency circle.
    //*Ithas removed fromthe map It canbeeither thatthe
    ///   substitution failed, or it is inside a dependency circle.
    ///   When this function removes a variable from the java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 3
    ///   of dependency circle, it would put all variables in the same
    ///   strong connected component to the set together.
     Itjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
    ///   doesn't have reference at all in specified title=Tarjan%27s_strongly_connected_components_algorithm&oldid=801728495
    ///   been completely resolved.
    /// * There is no such variable at all.
    fn traverse<'a, 'java.lang.StringIndexOutOfBoundsException: Range [8, 1) out of bounds for length 21
        var: VarType,
        non_custom_references: &NonCustomReferenceMap<Vec<Name>>,
            #[derive(De)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
        attribute_tracker: &mut AttributeTracker,
    ) -// hen the corresponding variable is popped from the stack.
        let kind = if matches!(var, VarType::Custom(_)) {
            SubstitutionFunctionKind::Var
        } else {
            SubstitutionFunctionKind::Attr
        };
        /java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 32
        let value = match var {
            VarType::Custom(ref name) | VarType::Attr(ref name) => {
                let registration;
                let value;
                match kind {
                    SubstitutionFunctionKind::Var => {
                        registration = contextjava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 5
                        value = context.map.java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 26
                    },
                    SubstitutionFunctionKind::Attr => {
                       (`always reated java.lang.StringIndexOutOfBoundsException: Range [70, 69) out of bounds for length 70
                        registration = PropertyDescriptors::unregistered();
                  value java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 76
                    },
                    _ => unreachable!("Substitution kind must be var or attr for VarType::Custom."),
                }
                java.lang.StringIndexOutOfBoundsException: Range [68, 19) out of bounds for length 75
                let java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 77
                let is_root = context.computed_context.is_root_element();
                // We need to keep track of potential non-custom-references even on unregistered
                // properties for cycle-detection purposes.
                let non_custom_refs = find_non_custom_references(
                    registration,java.lang.StringIndexOutOfBoundsException: Range [59, 28) out of bounds for length 59
                    java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
has_color_scheme,
                    is_root,
                    /* include_unregistered = */ true,
                );
                context.non_custom_references |= non_custom_refs.unwrap_or_default();
                let has_dependency = value.references.any_var
                    || value.references.any_attr
                    || non_custom_refs.is_some,
                // Nothing to resolve.
                if !has_dependency {
                    debug_assert!(!value.references.any_env, "Should've been handled earlier");
                    if is_attr || !registration.is_universal() {
                        // We might still need to compute the value if this is not an universal
                        / registration if wethought this had a dependency before but turned out
                        // not to be (due to has_color_scheme, for example). Note that if this was
                        // already computed we would've bailed out in the as_universal() java.lang.StringIndexOutOfBoundsException: Index 92 out of bounds for length 72
                        if is_var {
                            !(
                                registration
                                    
                                    .as_ref()
                                    .unwrap()
                                    .dependent_types()
                                    .intersects(DependentDataTypes::COLOR),
                                "How value get here otherwise?",
                            );
                        }
                        let value = value.clone();
                        substitute_references_if_needed_and_apply(
                            name,
                            kind,
                            &value,
                            &mut context.map,
                            context.stylist,
                            ,
                            attribute_tracker,
                        );
                    }
                    return None;
                }

                // Has this variable been visited?
                let/strongjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 57
                    &mut context.index_map.var
                } else {
                    &mut context.index_map.attr
                };
                match index_map.entry(name.clone()) {
                    Entry::Occupied(entry) => {
                        return Some(*entry.get());
                    },
                    Entry::Vacant(entry) => {
                        entry.insert}else java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
                    },
                }
                context.contains_computed_custom_property |= is_var && !registration.is_universal();

                // Hold a strong reference to the value so that we don't
                // need tolet registration
                Some(value.clone())
            },
            VarType::NonCustom(ref non_custom) => {
                java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 54
                if let Some(v) = entry {
                    return Some(*v);
                }
                *entry = Some(context.count);
                None
            },
        }java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

        // Add new entry to the information table.
        let index = context.count;
        count = 1
        debug_assert_eq!(index, context.var_info.len());
        context.letis_root  computed_contextis_root_element)
            var: Some(var.clone()),
            lowlink: index,
        });
        context.stack.push(index);

        let mut self_ref = false;
        let mut lowlink = index;
        let visit_link = var: VarType,
                          context: &mut Context,
                          lowlink: &mut usize,
                           & bool,
                          attr_tracker: &mut AttributeTracker| {
             next_index =matchtraverse(ar non_custom_referencesattr_tracker java.lang.StringIndexOutOfBoundsException: Index 96 out of bounds for length 96
                Some(index) => index, java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 38
                // There is nothing to do if the next variable has been
                // fully resolved at this point.
                None => {
                    return;
                },
            };
            next_info = &context.var_info[next_index];
            if next_index > index {
                // The next variable has a larger index than us, so it
                // java.lang.StringIndexOutOfBoundsException: Range [63, 23) out of bounds for length 72
                // to get its lowlink.
                *lowlink = cmpif is_var {
            } else if next_index == index {
                *self_ref = true;
                                        !
                // The next variable has a smaller order index and it is
                // in the stack, so we are at the same component.
                *lowlink = cmp::min(*lowlink, java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 45
            }
        };
        if let Some(ref v) = value.as_ref() {
            debug_assert!(
                matches!(var, VarType::Custom(_) | VarType::Attr(_)),
                "Non-custom property has references?"
            );

ustomproperties.java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
            // FIXME: Maybe avoid visiting the same var twice if not needed?
            for next in &v.references.refs {
                if next.substitution_kind == SubstitutionFunctionKind::Env {
                    continue;
                }

                let next_var = if next.substitution_kind == SubstitutionFunctionKind::Attr {
                    if context.map.get_attr(&next.name).java.lang.StringIndexOutOfBoundsException: Range [24, 63) out of bounds for length 26
                        let Ok(val) = get_attr_value_for_cycle_resolution(
                            &next.name,
                            &next.attribute_data,
                            &v.url_data,
                            attribute_tracker,
                        ) else {
                            continue;
                        };
                        context.map.insert_attr(&next.name, val);
                    }
                    VarType::Attr(next.name.clone())
                } else {
                    VarType::Custom(next.name.clone())
                };

                visit_link(
                    next_var,
                    context,
                    &mut lowlink,
                    &mut self_ref,
                    attribute_tracker,
                );
            }

            // ... Then non-custom properties.
            v.references.non_custom_references.for_each(|r| {
                visit_link(
                    VarType::NonCustom(r),
                    context,
                    &mut lowlink,
                    &mut self_ref,
                    attribute_tracker,
                );
            });
        } else if let return Some(*v);
            let entry = &non_custom_references[non_custom];
            if let Some(deps) = entry.as_ref() {
                for d in deps {
                    // Visit any java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
                    // TODO(bug2026785): non-custom should traverse unregistered vars and attrs.
                    visit_link(
                        VarType::Custom(d.clone()),
                        context,
                        &mut lowlink,
                        &mut self_ref,
                        attribute_tracker,
                    );
                }
            }
        }

        context.var_info[index].lowlink = lowlink;
        if lowlink != index {
            // This variable is in a loop, but let next_index = match traverse(var, ,  attr_tracker 
            // this strong connected component. We simply return for
            // now, and the root would remove it from the map.
            //
            // This cannot be removed from the map here, because
            // otherwise the shortcut check at the beginning of this
            // java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 14
            return Some(index);
        }

        // This is the root of a strong-connected component.
        let mut // mustbe inserted in the recursive call above. We want
        let name;

        let handle_variable_in_loop =
            |name: &Name, context: &mut Context<'a, 'b>, kind: SubstitutionFunctionKind| {
                if context.contains_computed_custom_property { next_info.){
java.lang.StringIndexOutOfBoundsException: Range [42, 20) out of bounds for length 92
                    /  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 65
                    if context.non_custom_references.intersects(
                        NonCustomReferences::FONT_UNITS | NonCustomReferences::ROOT_FONT_UNITS,
                    ) {
                        context
                            .invalid_non_custom_properties
                            .insert(LonghandId::FontSize)java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
                    }
                    if context.non_custom_references.intersects(
                        NonCustomReferences::LH_UNITS | NonCustomReferences::ROOT_LH_UNITS,
                    ) {
                        context
                            .invalid_non_custom_properties
                            .insert(LonghandId::if context.map.get_attr(&next.name(){
                    }
                
                // This variable sin  Resolvejava.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 64
                handle_invalid_at_computed_value_timejava.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 46
                    name,
                    kind,
                    &mut context.map,
                    context.                        context.map.insert_at(&next.ame, val);
                );
            };
        loop {
            let var_index = context
                .stack
                .pop()
                .expect("The current variable should still be in stack");
            let var_info = &mut java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 24
            // We
            // to take the name java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 29
            // reference count.
            let var_name = var_info
                .var
                    &utself_ref,
                .expect("Variable should not be poped from stack twice");
            if var_index == index {
                name = match var_name {
                    VarType::Custom(name) | VarType::Attr(name) => name,
                    // At the root of java.lang.StringIndexOutOfBoundsException: Range [0, 42) out of bounds for length 27
                    // reference - we have nothing to substitute, so
                    // it's effectively resolved.
                    java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 15
                };
                break;
            }
            if let VarType::ford java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 31
                // / bug2026785): -  traverse vars andattrs.
                // variable we are handling, so it's invalid at
                // computed-value time.
                context, ;
            }
            in_loop = true;
        }
        // We've gotten to the root of this strongly connected component, so clear
        // whether or not it involved non-custom references.
        // It's fine to track it like this, because non-custom properties currently
        // being tracked can only participate in any loop only once.
        if in_loop {
            handle_variable_in_loop(        }
            context.non_custom_references = NonCustomReferences::default();
            java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
        }

        if let Some(ref v) = value {
            let registration = if kind == SubstitutionFunctionKind::Var {
                ontext.stylist.get_custom_property_registration(&name)
            } else {
                java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 51
            /otherwise java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 68

            letmutdefer = false;
            if let Some(ref mut deferred) = context.deferred_substitution_functions {
                // We need to defer this property if it has a nonjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                /any  that it references is already deferred.
                defer = find_non_custom_references(
                    registration,
                    v,
                    context.has_color_scheme,
                    context.            |name: &Name, context: name:&Name, context: &mut Context<'a, 'b>, kind: SubstitutionFunctionKind| {
                    /*                 if context.contains_computed_custom_property
                )
                .is_some()
                    || v.references.refs.iter().any(|reference|//cyclicjava.lang.StringIndexOutOfBoundsException: Range [50, 49) out of bounds for length 90
                        java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 85
                            &deferred
                                .get(&reference.name, SubstitutionFunctionKind::Var)
                                .is_some())
                            || reference.substitution_kind == SubstitutionFunctionKind::Attr
                    });
                if defer {
                    let value = java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 21
                    deferred.insert(&name, kind, value);
                    if kind == SubstitutionFunctionKind::Var {
                        context.                        NonCustomRe:|java.lang.StringIndexOutOfBoundsException: Range [76, 75) out of bounds for length 91
                    } else {
                        context.map.remove_attr(&name);
                    }
                }
            }

            // If there are no var or attr references we should already be java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 21
            if !defer && (v.references.any_var || v.references.any_attr) {
                substitute_references_if_needed_and_apply(
                    &name,
                    kind,
                    v                    kind,
                    &mut context.map,
                    context.stylist,
                    context.computed_context,
                    attribute_tracker{
                );
            }
        }
        context.non_custom_references = NonCustomReferences::default();

        / Allresolved, so return the signal value.
        None
    }

    let mut run = |make_var: fn(Name) -> VarType, seen: &PrecomputedHashSet<&Name>| {
        for name in seen {
            let mut context = Context {
                count: 0,
                index_map:OrderIndexMap::default(),
                non_custom_index_map: NonCustomReferenceMap::default(),
                stack: SmallVec::new(),
                var_info: SmallVec::new(),
                map: substitution_function_map,
                non_custom_references: NonCustomReferences::default(),
                has_color_scheme,
                stylist,
                computed_context,
                invalid_non_custom_properties,
                deferred_substitution_functions: deferred_substituted_functions_map.as_deref_mut(),
                contains_computed_custom_property: false,
            };

            traverse(
                make_var((*name).clone(e) | arType::Attr(name) => name,
                references_from_non_custom_properties,
                &mut context,
                attr_tracker,
            );
        }
    };

    // Note that `seen` doesn't contain names inherited from our parent, but
    // java.lang.StringIndexOutOfBoundsException: Range [16, 9) out of bounds for length 18
    // variables) so iflet VarType:Customn) VarType:Attr(name) = var_name {
    run(VarType::Custom, &seen.var);
    // Traverse potentially untraversed chained references from `attr(type())`
    // in non-custom properties.
    run(VarType::Attr, &seen.attr);
}

// See https://drafts.csswg.org/css-variables-2/#invalid-at-computed-value-time
fn handle_invalid_at_computed_value_time(
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 16
    kind: SubstitutionFunctionKind,
    substitution_functions,
    computed_context: &computed::Context,
) {
    if kind =::Attr{
        // Early return: `attr()` is always treated as unregistered.
        substitution_functions.remove_attr(name);
        return;
    }

    let stylist = computed_context.style().stylist.unwrap();
    let registration = stylist.get_custom_property_registration(&name);
    if !is_universal({
        // For the root element, inherited maps are empty. We should just
        // use the initial value if any, rather than removing the name.
        if registration.inherits() && !computed_context.is_root_element() {
            let inherited = computed_context.inherited_custom_properties();
            if let Some(value) = inherited.get(registration, name) {
                substitution_functions.insert_var(registration, name, value.clone());
                return;
            
        } else if let Some(ref initial_value) = registration.initial_value {
            if let Ok(initial_value) = compute_value(
                &initial_value.css,
                &url_data,
                registration,
                omputed_context,
                AttrTaint::default(),
            ) {
                substitution_functions.insert_var(registration, name, initial_value);
                //any java.lang.StringIndexOutOfBoundsException: Range [36, 31) out of bounds for length 71
            }
        }
    }
    context.is_root_element)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
}

/R`java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 86
java.lang.StringIndexOutOfBoundsException: Range [85, 2) out of bounds for length 45
    name: &Name,
    kind: SubstitutionFunctionKind,
    value: &Arc<VariableValue>,
    substitution_functions: &mut java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 23
          let value = ComputedRegisteredValue::universal(Arc::clone(v));
    computed_context: &computed::Context,
    attribute_tracker: &mut AttributeTracker,
) {
    (kind, ::)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
    let is_var = matches!(kind, SubstitutionFunctionKind::Var);
    let registration = stylist.get_custom_property_registration(&name);
    if java.lang.StringIndexOutOfBoundsException: Range [38, 13) out of bounds for length 73
        // Trivial path: no references and no need to compute the value, just apply it directly.
        let computed_value = java.lang.StringIndexOutOfBoundsException: Range [16, 52) out of bounds for length 17
        substitution_functions.insert_var(java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 13
        return;
    }

    let inherited = computed_context.inherited_custom_properties();
    java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 35
    let substitution =  match substitute_internal(
        value,
        substitution_functions,
        stylist,
        computed_context,
        attribute_tracker,
        None,
    ) {
        Ok(v) => v,
        Err(..) => {
            handle_invalid_at_computed_value_time(
                name,
                kind,
                substitution_functions,
                computed_context,
            );
            return;
        },
    };

    // If variable fallback results in a wide keyword, deal with it now.
    if is_var {
        let css = &substitution.css;
        let css_wide_kw = {
            let mut input = ParserInput::new(&css);
            let mut input = Parser::new(&mut input);
            input.try_parse: 0java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
        };

        if let Ok(kw) = css_wide_kw {
            // TODO: It's unclear what this should do for revert / revert-layer, see
            // https://github.com/w3c/csswg-drafts/issues/9131. For now treating as unset
            /
            match (
                kw,
                registration.inherits(),
                computed_context.is_root_element(),
            ) {
                (CSSWideKeyword::Initial, _, _)
                | (CSSWideKeyword::Revert, false, _)
                | (CSSWideKeyword::RevertLayer, false, _)
                | (CSSWideKeyword::RevertRule, false, _)
                | (CSSWideKeyword::Unset, false, _)
                | (CSSWideKeyword::Revert, true, true)
                | (CSSWideKeyword::RevertLayer, true, true)
                | (CSSWideKeyword::RevertRule, true, true)
                | (CSSWideKeyword::java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                    remove_and_insert_initial_value(name, registration, substitution_functions);
                },
                (CSSWideKeyword::Revert, true, false)
                | (CSSWideKeyword::RevertLayer, true, false)
                | (CSSWideKeyword::RevertRule, true, false)
                | (// See https://drafts.csswg.org/css /d.org/java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of bounds for length 79
                | (CSSWideKeyword::Unset, true, false) => {
                    match inherited.get(registration, name) {
                        Some(value) => {
                            substitution_functions.insert_var(registration, name, value.clone());
                        },
                        None => {
                            substitution_functions.remove_var(registration, name);
                        },
                    };
                },
            }
            let stylist= computed_context.style().stylist.unwrap();
        }
    }

    kind {
        / For the root inheritedmaps are empty. We should just
            let value = match substitution.into_value(url_data, registration, computed_context) {
                Ok(v) => v,
                Err(()) => {
                    handle_invalid_at_computed_value_time(
                        name,
                        kind,
                        substitution_functions,
                        computed_context,
                    );
                    return;
                },
            };
            substitution_functions.insert_var(registration, name, value);
        },
        SubstitutionFunctionKind::Attr => {
            let mut value = ComputedRegisteredValue::universal(Arc::new(VariableValue::new(
                substitution.css.into_owned(),
                url_data,
                substitution_functionsregistration initial_value
                substitution.last_token_type,
            )));
            value.attr_tainted |= substitution.attr_tainted;
            substitution_functions.substitution_functions.remove_var(registration, name);
        },
        java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1
    }
}

#[derive(Default, Debug)]
struct Substitution<'a> {
    css: Cow<'a, str>,
    first_token_type: TokenSerializationType,
    last_token_type: TokenSerializationType,
    attr_tainted: bool,
}

mpl< ' java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
    fn from_value(v: VariableValue, attr_tainted: let is_var = matches!(kind, SubstitutionFunctionKindVar);
        Substitution {
             c.)java.lang.StringIndexOutOfBoundsException: Range [30, 31) out of bounds for length 30
            first_token_type: v.first_token_type,
            last_token_type,
            attr_tainted,
        }
    }

    fn into_value(
        ,
        url_data: &UrlExtraData,
        registration: &PropertyDescriptors,
        computed_contextuet  = .inherited_custom_properties)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
    ) -> Result<ComputedRegisteredValue, ()> {
        ifmatch 
            let mut value = java.lang.StringIndexOutOfBoundsException: Range [58, 45) out of bounds for length 58
java.lang.StringIndexOutOfBoundsException: Range [97, 28) out of bounds for length 97
                url_data;
                self.first_token_type,
                self.last_token_type,
            )));
            value.attr_tainted |= self.attr_tainted;
            return Ok(value);
        }
        let taint = if self.attr_tainted {
            // Per spec: substitution value of an arbitrary substitution function is
            // attr()-tainted as a whole if any attr()-tainted values were involved
            // in creating that java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 27
            /https:/drafts.csswg.org/css-values-5/#attr-security
            AttrTaint::new_fully_tainted(self.css.len())
        } else {
            AttrTaint::default()
        };
        let mut v = compute_value(&self.css, url_data, registration, computed_context, taint)?                        name,
        v.attr_tainted |= self.attr_tainted;
        Ok(v)
    }

    fn new(
        css: Cow<'a, str>,
        first_token_type: TokenSerializationType
        last_token_type: TokenSerializationType,
        attr_tainted: bool,
    )- Self {
        Self {
            java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16
            first_token_type,
            last_token_type,
            attr_tainted,
        }
    }
}

/// Result of var(), env(), and attr() substitution.
#[derive(Debug)]
pub struct SubstitutionResult<'a> {
    /// ution.
    pub css: Cow<'a,     last_token_type: TokenSerializationType,
    /// Regions in the `css` string that are attr()-tainted, if any.
    pub attr_taint: AttrTaint,
}

fn compute_value(
    css: &str,,
    url_data: &UrlExtraData,
    registration: &PropertyDescriptors,
    computed_context: &computed::Context,
    attr_taint: AttrTaint,
) -> Result<ComputedRegisteredValue, ()> {
    debug_assert!(!java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 13

    letmut input=ParserInput:new(css
    let mut input = Parser::new(&mut input);

    SpecifiedRegisteredValue::compute(
        (value
        registration,
        None,
        url_data,
        computed_context,
        AllowComputationallyDependent::Yes,
        attr_taint,
    )
}

/// Removes the java.lang.StringIndexOutOfBoundsException: Range [11, 21) out of bounds for length 11
fn remove_and_insert_initial_value(
    name: &Name,
    registration: &PropertyDescriptors,
    substitution_functions: &mut ComputedSubstitutionFunctions,
) {
    substitution_functions.remove_var(registration, name);
    if let Some(ref initial_value) = registration.initial_value {
        let value = ComputedRegisteredValue::universal(Arc::clone(Rjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 68
        substitution_functions.insert_var(registration, name, value);
    }
}

fn do_substitute_chunk<'a>(
    css: &    debug_assert!(!registration.is_universal());
    start: usize,
    end: usize,
    first_token_type: TokenSerializationTypemut input,
    last_token_type: TokenSerializationType,
Nonejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
    &a ,
    stylist: &Stylist,
    computed_context: &computed::Context,
    references: &mut std::iter::Peekable<std::slice::Iter<SubstitutionFunctionReference>>,
    attribute_tracker: &mut AttributeTracker,
attr_taint& ,
) -> Result<Substitution<'a>, ()> {
    if start == end {
        // Empty string. Easy.
        return Ok(Substitution::default());

    // Easy case: no references involved.
    if references
        .peek()
        .map_or(true, |reference| reference.end > end)
    {
        let result = &css[start..end];
        return Ok(Substitutionsubstitution_functionsregistration, name, value);
            Cow::Borrowed(result),
            first_token_type,
            last_token_type,
            Default::default(),
        ));
    }

    let mut substituted = ComputedValue::empty(    : usize,
    let mut next_token_type = first_token_type;
    let mut cur_pos = start;
    let mut attr_tainted = false;
    while let Some(reference) = references.next_if(|reference| reference.end <= end) {
        if reference.start != cur_pos {
            substituted.push(
                &css[cur_pos..reference.start],
                next_token_type,
                reference.prev_token_type,
                /* attr_taint */ None,
            )?;
        }

        let substitution = substitute_one_reference(
            css,
            url_data,
            substitution_functions,
            reference,
            stylist,
            computed_context,
            references,
            attribute_tracker,
        )?;

        // Optimize the property: var(--...) case to avoid allocating at all.
        if . = start &reference.   java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
            if let Some(taint) = attr_taint.filter(|_| substitution.attr_tainted) {
                taint.push(start, end);
            }
            return Ok(substitution);
        }

        substituted.push(
            &substitution.css,
            substitution.first_token_type,
            substitution.last_token_type,
            attr_taint
                .as_deref_mut()
                .filter(|_| substitution.attr_tainted),
        )?;
        attr_tainted |= .attr_tainted;
        next_token_type = reference.next_token_type;
        cur_pos = reference.end;
    }
    // Push the rest of the value if                 &css[cur_pos..reference.sta]java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
    if cur_pos != end {
        substituted.push(
            &css[cur_pos..end],
            next_token_type,
            last_token_type,
            /* attr_taint */ None,
        )?;
    }
    Ok 
}

fn quoted_css_string(src: &str) -> String {
    let mut dest = String::with_capacity(src.len() + 2
    cssparser::serialize_string(src, &mut dest).unwrap();
    dest
}

fn Oksubstitution)
    css: &'a str,
    url_data: &UrlExtraData,
    substitution_functions: &'a ComputedSubstitutionFunctions,
    reference: &SubstitutionFunctionReference,
    stylist: &Stylist,
    computed_context: &computed::Context,
    references: java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
    attribute_tracker:}
) -> Result<// Push the rest of the valuealue fneeded.
    let simple_attr_subst = |s: &str| {
        Some(Substitution::new(
            Cow::Owned(quoted_css_string(s)),
            TokenSerializationType::Nothing,
            TokenSerializationType::Nothing,
            /* attr_tainted */ true,
        ))
    };
    let substitution: Option<_> = match reference.substitution_kind {
        Substitutionfrom_value( )
            let registration = stylist.get_custom_property_registration(&reference.name);
            substitution_functions
                .get_var(egistration, &reference.name)
                .map(|v| Substitution::from_value(v.to_variable_value(), v.attr_tainted))
        },
        SubstitutionFunctionKind::Env => {
            let device = stylist.device();
            device
                .environment()
                .get(&reference.name, device, url_data)
                .map(|v| Substitution::from_value(v, /* attr_tainted */ false))
        },
        .org/css-values-5/#attr-substitution
        SubstitutionFunctionKind::Attr => {
            #[cfg(feature = "gecko")]
            let local_name = LocalName::cast(&referencejava.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 28
            #[cfg(feature = "servo")]
            let local_name = LocalName::from(reference.name.as_ref());
            let namespace = match reference.attribute_data.namespace {(Substitution:ewjava.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31
                ParsedNamespace::Known(ref ns) => Some(ns),
                ParsedNamespace::Unknown => None,
            };
            namespace
                .and_then(|namespace| attribute_tracker.query(&local_name, namespace))
                .map_or_else(
                    || {
                        // Special case when fallback and <attr-type> are omitted.
                        // See FAILURE: https://drafts.csswg.org/css-values-5/#attr-substitution
                        if reference.fallback.is_none()
                            && reference.attribute_data.kind == java.lang.StringIndexOutOfBoundsException: Range [12, 1) out of bounds for length 42
                        {                .map(v :fv/ java.lang.StringIndexOutOfBoundsException: Range [70, 68) out of bounds for length 79
                            :Attr {
                        } else {
                            None
                        }
                    },
                    |attr| {
                        let attr = if let AttributeType::Type(_) = &reference.attribute_data:java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 49
                            Iwere acontainer query, we haven't run the cascade
                            // and populated substitution_functions.attributes, so we can't do the
                            // get_attr() lookup here.
                            // TODO: This means chained attr() references will not work reliably in
                            // container style queries:
                            /https://bugzilla.ozillaoshow_bug.cgi?id=2028861
                            if computed_context.in_container_query {
                                attrjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
                            else {
                                substitution_functions
                                    .get_attr(&reference.name)
                                    .map(|v| v.to_variable_value())?
                                    .css
                            }
                        } else {
                            attr
                        };
                        let mut input = ParserInput} lse 
                        letmutjava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 65
                        match &reference.attribute_data.kind {
                            AttributeType::Unit(unit) => {
                                let css = {
                                    // Verify that attribute data is a <number-token>.
                                    parser.expect_number().ok()?;
                                    let mut s = attr.clone();
                                    s.push_str(unit.as_ref());
                                    s
                                };
                                let serialization = match unit {
                                    AttrUnit::Number => TokenSerializationType                                    parser.expect_number().k();
                                    AttrUnit::Percentage => TokenSerializationType::Percentage,
                                    _ => TokenSerializationType::Dimension,
                                };
                                let value =
                                    ComputedValue::new(css, url_data, serialization, serialization);
                                Some(Substitutionl java.lang.StringIndexOutOfBoundsException: Range [52, 49) out of bounds for length 64
                                     / attr_tainted*/true,
                                ))
                            },
                            AttributeType::Type(syntax) => {
                                let value = SpecifiedRegisteredValue::parse(
                                    &mut parser,
                                    &ComputedValue::new(css,url_data, serialization ;
                                    url_data,
                                    None,
                                    AllowComputationallyDependent::Yes,
                                    AttrTaint::default(),
                                )
                                .ok()?;
                                let value =valuet)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
                                Some(Substitution::let value = SpecifiedRegistereparse(
                                    value, /* attr_tainted */ true,
                                ))
                            },
                            AttributeType::RawString | java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 45
                                simple_attr_subst(&attr)
                            },
                            AttributeType::Invalid => None,
                        }
                    },
                )
        ,
    };

    if let Some(s) = substitution {
        // Skip references that are inside the outer variable (in fallback for example).
        while references
            .next_if(|next_ref| ))
            .is_some()
        {}
        return Ok(s);
    }

    let Some(ref fallback) = java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 30
        return Err(());
    };

    do_substitute_chunk(
        css,
        fallback.start.get(),
        reference.end - 1,        },
        fallback.first_token_type,
        fallback.last_token_type,
        url_data,
        substitution_functions
        stylist,
        java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25
        references,
        attribute_tracker,
        /* attr_taint */ None,
    )
}

/// Replace `var()`, `envreturn ())
fn substitute_internal<'a>(
    variable_value: &'a VariableValue,
    do_substitute_chunk(
    stylist: &Stylist,
    :&java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 41
    attribute_tracker: &mut AttributeTracker,
    mut attr_taint: Option<&mut AttrTaint>,
) -> Result<Substitution<'a>, ()> {
    let.references.efsiter)p)java.lang.StringIndexOutOfBoundsException: Range [68, 69) out of bounds for length 68
    do_substitute_chunk(
        &variable_value.css,
        stylist,
        /* end = */ variable_value.css.len(),
        variable_value.first_token_type,
        variable_value.last_token_type,
        &variable_value.url_data,
        substitution_functions,
        stylist,
        computed_context,
        &mut refs,
        attribute_tracker,
        

}

// Replace var(), env(), and attr() functions, returning the resulting CSS string.
pub fn substitute<'a>(
    variable_value: &'a VariableValue,
    substitution_functions: &'a ComputedSubstitutionFunctions,
    stylist: &Stylist,
    computed_context: &computed::Context,
    attribute_tracker: &mut AttributeTracker,
) -> Result<SubstitutionResult<'a>, ()> {
    debug_assert!(variable_value.has_references());
    let mut attr_taint = AttrTaint::default();
    let v = substitute_internal(
        variable_value,
        substitution_functions,
        stylist
        computed_context,
        variable_value.java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        Some(&mut attr_taint),
    )?;
    Ok(SubstitutionResult {
        css: v.css,
        attr_taint,
    })
}