gecko-dev/servo/ports/geckolib/cbindgen.toml

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TOML

header = """/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
// See the comment in ServoBindings.h about the same.
#pragma GCC diagnostic push
#ifdef __clang__
# pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
#endif
// Work-around silly windows.h define.
#pragma push_macro("STRICT")
#undef STRICT
"""
trailer = """
#pragma pop_macro("STRICT")
#pragma GCC diagnostic pop
#include "mozilla/ServoStyleConstsInlines.h"
"""
autogen_warning = """/* DO NOT MODIFY THIS MANUALLY! This file was generated using cbindgen.
* To generate this file:
* 1. Get the latest cbindgen using `cargo install --force cbindgen`
* a. Alternatively, you can clone `https://github.com/eqrion/cbindgen` and use a tagged release
* 2. Run `rustup run nightly cbindgen toolkit/library/rust/ --lockfile Cargo.lock --crate style -o layout/style/ServoStyleConsts.h`
*/
"""
include_guard = "mozilla_ServoStyleConsts_h"
include_version = true
braces = "SameLine"
line_length = 80
tab_width = 2
language = "C++"
namespaces = ["mozilla"]
includes = ["mozilla/ServoStyleConstsForwards.h"]
[parse]
parse_deps = true
extra_bindings = ["style"]
include = ["style", "cssparser", "style_traits", "servo_arc"]
[struct]
associated_constants_in_body = true
derive_eq = true
derive_neq = true
[defines]
# This will actually never be defined, but is handy to avoid cbindgen
# generating Servo-only types.
"feature = servo" = "CBINDGEN_IS_SERVO"
"target_pointer_width = 32" = "SERVO_32_BITS"
"target_pointer_width = 64" = "HAVE_64BIT_BUILD"
[macro_expansion]
bitflags = true
[enum]
derive_helper_methods = true
derive_const_casts = true
derive_tagged_enum_destructor = true
derive_tagged_enum_copy_constructor = true
derive_tagged_enum_copy_assignment = true
private_default_tagged_enum_constructor = true
cast_assert_name = "MOZ_ASSERT"
[export]
prefix = "Style"
exclude = [
"NS_LogCtor",
"NS_LogDtor",
]
include = [
"Appearance",
"BreakBetween",
"BreakWithin",
"BorderStyle",
"OutlineStyle",
"ComputedFontStretchRange",
"ComputedFontStyleDescriptor",
"ComputedFontWeightRange",
"ComputedTimingFunction",
"CursorKind",
"DisplayOutside",
"DisplayInside",
"DisplayMode",
"PrefersColorScheme",
"ExtremumLength",
"FillRule",
"FontDisplay",
"FontFaceSourceListComponent",
"FontLanguageOverride",
"GenericFontFamily",
"FontFamilyNameSyntax",
"OverflowWrap",
"TimingFunction",
"OffsetPath",
"OffsetRotate",
"UnicodeRange",
"UserSelect",
"Float",
"OverscrollBehavior",
"ScrollSnapAlign",
"ScrollSnapAxis",
"ScrollSnapStrictness",
"ScrollSnapType",
"OverflowAnchor",
"OverflowClipBox",
"Resize",
"Overflow",
"LengthPercentage",
"LetterSpacing",
"NonNegativeLengthPercentage",
"LengthPercentageOrAuto",
"LineHeight",
"NonNegativeLengthPercentageOrAuto",
"NonNegativeLengthPercentageOrNormal",
"LengthOrAuto",
"NonNegativeLengthOrAuto",
"TextDecorationSkipInk",
"TextDecorationLength",
"Rect",
"IntersectionObserverRootMargin",
"Size",
"MaxSize",
"FlexBasis",
"Position",
"PositionOrAuto",
"BackgroundSize",
"BorderImageSlice",
"BorderSpacing",
"BorderRadius",
"NonNegativeLengthOrNumberRect",
"Perspective",
"ZIndex",
"TransformOrigin",
"LineBreak",
"WordBreak",
"Contain",
"Origin",
"RestyleHint",
"TouchAction",
"WillChange",
"TextDecorationLine",
"TextUnderlinePosition",
"TextTransform",
"TextOverflow",
"MozListReversed",
"Owned",
"OwnedOrNull",
"Strong",
"ScrollbarColor",
"Color",
"ColorOrAuto",
"SystemColor",
"GradientItem",
"VerticalAlign",
"BasicShape",
"ShapeRadius",
"ArcSlice",
"ForgottenArcSlicePtr",
"HeaderWithLength",
"MozContextProperties",
"Quotes",
"BoxShadow",
"SimpleShadow",
"Transform",
"Rotate",
"Scale",
"Translate",
"BorderImageWidth",
"ComputedUrl",
"ComputedImageUrl",
"UrlOrNone",
"Filter",
"Gradient",
"GridTemplateAreas",
"GridLine",
"TrackSize",
"TrackBreadth",
"ImplicitGridTracks",
"SVGPaint",
"SVGPaintKind",
"GridTemplateComponent",
"TextEmphasisStyle",
"VariantAlternatesList",
"PaintOrder",
"SVGPaintOrder",
"ClipRectOrAuto",
"CounterSetOrReset",
"CounterIncrement",
"WritingMode",
"VecU8",
"Content",
"ContentItem",
]
item_types = ["enums", "structs", "unions", "typedefs", "functions", "constants"]
renaming_overrides_prefixing = true
# Prevent some renaming for Gecko types that cbindgen doesn't otherwise understand.
[export.rename]
"nscolor" = "nscolor"
"nsAtom" = "nsAtom"
"nsIURI" = "nsIURI"
"nsCompatibility" = "nsCompatibility"
"SharedFontList" = "SharedFontList"
"nsSimpleContentList" = "nsSimpleContentList"
"nsACString" = "nsACString"
"nsAString" = "nsAString"
"nsString" = "nsString"
"nsTArray" = "nsTArray"
"nsPresContext" = "nsPresContext"
"ComputedTiming" = "ComputedTiming"
"CountedUnknownProperty" = "CountedUnknownProperty"
"RefPtr" = "RefPtr"
"nsCSSPropertyID" = "nsCSSPropertyID"
"nsCSSPropertyIDSet" = "nsCSSPropertyIDSet"
"nsCSSValueSharedList" = "nsCSSValueSharedList"
"AnimationPropertySegment" = "AnimationPropertySegment"
"RawServoAnimationValueMap" = "RawServoAnimationValueMap"
"RawServoAnimationValueTable" = "RawServoAnimationValueTable"
"nsCSSUnit" = "nsCSSUnit"
"ParsingMode" = "ParsingMode"
"InheritTarget" = "InheritTarget"
"PseudoStyleType" = "PseudoStyleType"
"DeclarationBlockMutationClosure" = "DeclarationBlockMutationClosure"
"AtomArray" = "AtomArray"
"UpdateAnimationsTasks" = "UpdateAnimationsTasks"
"StyleRuleInclusion" = "StyleRuleInclusion"
"nsFontFaceRuleContainer" = "nsFontFaceRuleContainer"
"MediumFeaturesChangedResult" = "MediumFeaturesChangedResult"
"FontSizePrefs" = "FontSizePrefs"
"nsCSSFontDesc" = "nsCSSFontDesc"
"nsresult" = "nsresult"
"gfxFontFeature" = "gfxFontFeature"
"gfxFontFeatureValueSet" = "gfxFontFeatureValueSet"
"SeenPtrs" = "SeenPtrs"
"gfxFontVariation" = "gfxFontVariation"
"URLExtraData" = "URLExtraData"
"Keyframe" = "Keyframe"
"nsChangeHint" = "nsChangeHint"
"ServoElementSnapshotTable" = "ServoElementSnapshotTable"
"nsTimingFunction" = "nsTimingFunction"
"Keyframe" = "Keyframe"
"ComputedKeyframeValues" = "ComputedKeyframeValues"
"OriginFlags" = "OriginFlags"
"ServoTraversalFlags" = "ServoTraversalFlags"
"ServoStyleSetSizes" = "ServoStyleSetSizes"
[export.body]
"CSSPixelLength" = """
inline nscoord ToAppUnits() const;
inline bool IsZero() const;
CSSCoord ToCSSPixels() const { return _0; }
inline void ScaleBy(float);
"""
"LengthPercentageUnion" = """
using Self = StyleLengthPercentageUnion;
// TODO(emilio): cbindgen should be able to generate these in the body of the
// union, but it seems it's only implemented for structs, not unions.
static const uint32_t TAG_CALC = StyleLengthPercentageUnion_TAG_CALC;
static const uint32_t TAG_LENGTH = StyleLengthPercentageUnion_TAG_LENGTH;
static const uint32_t TAG_PERCENTAGE = StyleLengthPercentageUnion_TAG_PERCENTAGE;
static const uint32_t TAG_MASK = StyleLengthPercentageUnion_TAG_MASK;
private:
uint32_t Tag() const {
return tag.tag & TAG_MASK;
}
public:
// We need to do all this manually because cbingen can't reason about unions.
inline StyleLengthPercentageUnion();
inline StyleLengthPercentageUnion(const Self&);
inline ~StyleLengthPercentageUnion();
inline Self& operator=(const Self&);
inline bool operator==(const Self& aOther) const;
inline bool operator!=(const Self& aOther) const;
inline bool IsLength() const;
inline bool IsPercentage() const;
inline bool IsCalc() const;
inline const StyleLength& AsLength() const;
inline StyleLength& AsLength();
inline const StylePercentage& AsPercentage() const;
inline StylePercentage& AsPercentage();
inline const StyleCalcLengthPercentage& AsCalc() const;
inline StyleCalcLengthPercentage& AsCalc();
static inline Self Zero();
static inline Self FromAppUnits(nscoord);
static inline Self FromPixels(CSSCoord);
static inline Self FromPercentage(float);
inline void ScaleLengthsBy(float);
inline bool HasPercent() const;
inline bool ConvertsToLength() const;
inline nscoord ToLength() const;
inline CSSCoord ToLengthInCSSPixels() const;
inline bool ConvertsToPercentage() const;
inline bool HasLengthAndPercentage() const;
inline float ToPercentage() const;
inline bool IsDefinitelyZero() const;
inline CSSCoord ResolveToCSSPixels(CSSCoord aPercentageBasisInCSSPixels) const;
template<typename T> inline CSSCoord ResolveToCSSPixelsWith(T aPercentageGetter) const;
template<typename T, typename U>
inline nscoord Resolve(T aPercentageGetter, U aPercentRoundingFunction) const;
template<typename T>
inline nscoord Resolve(nscoord aPercentageBasis, T aPercentRoundingFunction) const;
template<typename T> inline nscoord Resolve(T aPercentageGetter) const;
inline nscoord Resolve(nscoord aPercentageBasis) const;
"""
"GenericLengthPercentageOrAuto" = """
inline bool ConvertsToLength() const;
inline nscoord ToLength() const;
inline bool ConvertsToPercentage() const;
inline float ToPercentage() const;
inline bool HasPercent() const;
inline bool HasLengthAndPercentage() const;
// Just some convenient aliases for LengthOrAuto, to avoid confusing naming.
inline bool IsLength() const;
inline const StyleLength& AsLength() const;
"""
"GenericSize" = """
inline bool ConvertsToLength() const;
inline nscoord ToLength() const;
inline bool ConvertsToPercentage() const;
inline float ToPercentage() const;
inline bool HasPercent() const;
inline bool HasLengthAndPercentage() const;
inline bool BehavesLikeInitialValueOnBlockAxis() const;
"""
"GenericFlexBasis" = """
inline bool IsAuto() const;
"""
"GenericMaxSize" = """
inline bool ConvertsToLength() const;
inline nscoord ToLength() const;
inline bool ConvertsToPercentage() const;
inline float ToPercentage() const;
inline bool HasPercent() const;
inline bool HasLengthAndPercentage() const;
inline bool BehavesLikeInitialValueOnBlockAxis() const;
"""
"GenericPosition" = """
inline bool HasPercent() const;
inline bool DependsOnPositioningAreaSize() const;
static inline StyleGenericPosition FromPercentage(float);
"""
"GenericBackgroundSize" = """
bool IsInitialValue() const;
"""
"Rect" = """
template<typename Predicate> inline bool All(Predicate) const;
template<typename Predicate> inline bool Any(Predicate) const;
// Defined in WritingModes.h
inline const T& Get(mozilla::Side) const;
inline const T& Get(mozilla::WritingMode, mozilla::LogicalSide) const;
inline const T& GetIStart(mozilla::WritingMode) const;
inline const T& GetBStart(mozilla::WritingMode) const;
inline const T& GetIEnd(mozilla::WritingMode) const;
inline const T& GetBEnd(mozilla::WritingMode) const;
"""
"GenericBorderRadius" = """
inline const StyleLengthPercentage& Get(mozilla::HalfCorner) const;
"""
"RestyleHint" = """
static inline StyleRestyleHint RestyleSubtree();
static inline StyleRestyleHint RecascadeSubtree();
static inline StyleRestyleHint ForAnimations();
"""
"TextTransform" = """
static inline StyleTextTransform None();
inline bool IsNone() const;
"""
"TextUnderlinePosition" = """
inline bool IsAuto() const;
inline bool IsUnder() const;
inline bool IsLeft() const;
inline bool IsRight() const;
"""
# TODO(emilio): Add hooks to cbindgen to be able to generate MOZ_MUST_USE_TYPE
# or MOZ_MUST_USE on the functions.
"Owned" = """
UniquePtr<GeckoType> Consume() {
UniquePtr<GeckoType> ret(ptr);
ptr = nullptr;
return ret;
}
"""
"OwnedOrNull" = """
UniquePtr<GeckoType> Consume() {
UniquePtr<GeckoType> ret(ptr);
ptr = nullptr;
return ret;
}
"""
"Strong" = """
already_AddRefed<GeckoType> Consume() {
already_AddRefed<GeckoType> ret(const_cast<GeckoType*>(ptr));
ptr = nullptr;
return ret;
}
"""
"GenericColor" = """
static inline StyleGenericColor FromColor(nscolor);
static inline StyleGenericColor Black();
static inline StyleGenericColor White();
static inline StyleGenericColor Transparent();
bool MaybeTransparent() const;
/**
* Compute the final color, taking into account the foreground color from the
* frame's ComputedStyle.
*/
nscolor CalcColor(const nsIFrame*) const;
/**
* Compute the final color, taking into account the foreground color from the
* style.
*/
nscolor CalcColor(const ComputedStyle&) const;
/**
* Compute the final color, making the argument the foreground color.
*/
nscolor CalcColor(nscolor) const;
nscolor CalcColor(const StyleRGBA&) const;
"""
"RGBA" = """
static inline StyleRGBA Transparent();
static inline StyleRGBA FromColor(nscolor);
inline nscolor ToColor() const;
"""
"OwnedSlice" = """
StyleOwnedSlice() :
ptr((T*)alignof(T)),
len(0) {}
inline void Clear();
inline void CopyFrom(const StyleOwnedSlice&);
inline void SwapElements(StyleOwnedSlice&);
StyleOwnedSlice& operator=(const StyleOwnedSlice&);
StyleOwnedSlice& operator=(StyleOwnedSlice&&);
inline StyleOwnedSlice(const StyleOwnedSlice&);
inline StyleOwnedSlice(StyleOwnedSlice&&);
inline explicit StyleOwnedSlice(Vector<T>&&);
inline ~StyleOwnedSlice();
Span<const T> AsSpan() const {
return MakeSpan(ptr, len);
}
size_t Length() const {
return AsSpan().Length();
}
bool IsEmpty() const { return Length() == 0; }
bool operator==(const StyleOwnedSlice& other) const {
return AsSpan() == other.AsSpan();
}
bool operator!=(const StyleOwnedSlice& other) const {
return !(*this == other);
}
"""
"ArcInner" = """
// Increase the reference count.
inline void IncrementRef();
// Release the reference count, and return whether the result must be freed or not.
MOZ_MUST_USE inline bool DecrementRef();
"""
"ArcSlice" = """
inline StyleArcSlice();
inline StyleArcSlice(const StyleArcSlice& aOther);
// Should be easily implementable if wanted, but the default implementation would leak.
StyleArcSlice& operator=(const StyleArcSlice&) = delete;
StyleArcSlice& operator=(StyleArcSlice&&) = delete;
inline explicit StyleArcSlice(const StyleForgottenArcSlicePtr<T>& aPtr);
inline ~StyleArcSlice();
inline Span<const T> AsSpan() const;
inline size_t Length() const;
inline bool IsEmpty() const;
inline bool operator==(const StyleArcSlice& other) const;
inline bool operator!=(const StyleArcSlice& other) const;
"""
"Arc" = """
StyleArc() = delete;
inline StyleArc(const StyleArc& Other);
private:
inline void Release();
public:
inline ~StyleArc();
inline StyleArc& operator=(const StyleArc&);
inline StyleArc& operator=(StyleArc&&);
const T* operator->() const {
MOZ_DIAGNOSTIC_ASSERT(p, "Arc shouldn't be null");
return &p->data;
}
const T& operator*() const {
MOZ_DIAGNOSTIC_ASSERT(p, "Arc shouldn't be null");
return p->data;
}
bool operator==(const StyleArc& other) const {
return p == other.p || *(*this) == *other;
}
bool operator!=(const StyleArc& other) const {
return !(*this == other);
}
"""
"CustomIdent" = """
inline nsAtom* AsAtom() const;
"""
"Atom" = """
StyleAtom(size_t) = delete;
StyleAtom() = delete;
inline bool IsStatic() const;
inline nsAtom* AsAtom() const;
private:
inline void AddRef();
inline void Release();
public:
inline explicit StyleAtom(already_AddRefed<nsAtom> aAtom);
inline StyleAtom(const StyleAtom& aOther);
inline StyleAtom& operator=(const StyleAtom&);
inline ~StyleAtom();
"""
"OwnedStr" = """
inline nsDependentCSubstring AsString() const;
"""
"GenericTransformOrigin" = """
inline bool HasPercent() const;
"""
"GenericTransform" = """
inline Span<const T> Operations() const;
inline bool IsNone() const;
bool HasPercent() const;
"""
"Angle" = """
inline static StyleAngle Zero();
inline float ToDegrees() const;
inline double ToRadians() const;
StyleAngle operator+(const StyleAngle& aAngle) const {
return StyleAngle{_0 + aAngle._0};
}
StyleAngle operator-(const StyleAngle& aAngle) const {
return StyleAngle{_0 - aAngle._0};
}
"""
"CoordPair" = """
explicit StyleCoordPair(const gfx::Point& aPoint): _0(aPoint.x), _1(aPoint.y) {}
"""
"TextOverflow" = """
StyleTextOverflow()
: first(StyleTextOverflowSide::Clip()),
second(StyleTextOverflowSide::Clip()),
sides_are_logical(true) {}
"""
"UrlExtraData" = """
StyleUrlExtraData() = delete;
// Could be implemented if wanted.
StyleUrlExtraData(const StyleUrlExtraData&) = delete;
StyleUrlExtraData& operator=(const StyleUrlExtraData&) = delete;
inline bool IsShared() const;
inline ~StyleUrlExtraData();
inline const URLExtraData& get() const;
"""
"CssUrlData" = """
// Implemented in nsStyleStruct.cpp
bool operator==(const StyleCssUrlData& other) const;
bool operator!=(const StyleCssUrlData& other) const {
return !(*this == other);
}
"""
"LoadData" = """
~StyleLoadData();
"""
"CssUrl" = """
inline nsDependentCSubstring SpecifiedSerialization() const;
inline const URLExtraData& ExtraData() const;
inline StyleLoadData& LoadData() const;
inline nsIURI* GetURI() const;
"""
"ComputedUrl" = """
// Forwarded from CssUrl.
inline nsDependentCSubstring SpecifiedSerialization() const;
inline const URLExtraData& ExtraData() const;
inline nsIURI* GetURI() const;
inline StyleLoadData& LoadData() const;
inline bool IsLocalRef() const;
inline bool HasRef() const;
inline StyleCorsMode CorsMode() const;
already_AddRefed<nsIURI> ResolveLocalRef(nsIURI* aBase) const;
already_AddRefed<nsIURI> ResolveLocalRef(const nsIContent* aContent) const;
already_AddRefed<imgRequestProxy> LoadImage(mozilla::dom::Document&);
"""
"GenericGradient" = """
bool IsOpaque() const;
"""
"GenericGridLine" = """
// Returns the `auto` value.
inline StyleGenericGridLine();
inline bool IsAuto() const;
// The line name, or nsGkAtoms::_empty if not present.
inline nsAtom* LineName() const;
"""
"GenericTrackBreadth" = """
inline bool HasPercent() const;
"""
"GenericTrackSize" = """
// Implemented in nsGridContainerFrame.cpp
inline const StyleGenericTrackBreadth<L>& GetMin() const;
inline const StyleGenericTrackBreadth<L>& GetMax() const;
"""
"GenericGridTemplateComponent" = """
inline Maybe<size_t> RepeatAutoIndex() const;
inline const StyleGenericTrackRepeat<L, I>* GetRepeatAutoValue() const;
inline bool HasRepeatAuto() const;
inline Span<const StyleOwnedSlice<StyleCustomIdent>> LineNameLists(bool aIsSubgrid) const;
inline Span<const StyleGenericTrackListValue<L, I>> TrackListValues() const;
"""
"GenericClipRect" = """
// Get the layout rect, replacing auto right / bottom values for aAutoSize.
inline nsRect ToLayoutRect(nscoord aAutoSize = NS_MAXSIZE) const;
"""
"GenericRotate" = """
public:
// The implementation of IPC LayersMessages needs this to be public.
StyleGenericRotate(): tag(Tag::None) {}
"""
"GenericScale" = """
public:
// The implementation of IPC LayersMessages needs this to be public.
StyleGenericScale(): tag(Tag::None) {}
"""
"GenericTranslate" = """
public:
// The implementation of IPC LayersMessages needs this to be public.
StyleGenericTranslate(): tag(Tag::None) {}
"""
"GenericOffsetPath" = """
public:
// The implementation of IPC LayersMessages needs this to be public.
StyleGenericOffsetPath(): tag(Tag::None) {}
"""
"GenericPositionOrAuto" = """
public:
// The implementation of IPC LayersMessages needs this to be public.
StyleGenericPositionOrAuto(): tag(Tag::Auto) {}
"""