зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.8 KiB
C++
106 строки
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* FFI functions for Gecko to call into Servo */
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#ifndef mozilla_ServoBindings_h
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#define mozilla_ServoBindings_h
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#include "mozilla/ServoStyleConsts.h"
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// These functions are defined via macros in Rust, so cbindgen doesn't see them.
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namespace mozilla {
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// The clang we use on windows complains about returning StyleStrong<> and
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// StyleOwned<>, since the template parameters are incomplete.
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//
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// But they only contain pointers so it is ok. Also, this warning hilariously
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// doesn't exist in GCC.
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//
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// A solution for this is to explicitly instantiate the template, but duplicate
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// instantiations are an error.
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//
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// https://github.com/eqrion/cbindgen/issues/402 tracks an improvement to
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// cbindgen that would allow it to autogenerate the template instantiations on
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// its own.
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#pragma GCC diagnostic push
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#ifdef __clang__
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# pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
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#endif
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extern "C" {
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#define BASIC_RULE_FUNCS_WITHOUT_GETTER(type_) \
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void Servo_##type_##_Debug(const RawServo##type_*, nsACString* result); \
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void Servo_##type_##_GetCssText(const RawServo##type_*, nsACString* result);
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#define BASIC_RULE_FUNCS(type_) \
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StyleStrong<RawServo##type_##Rule> Servo_CssRules_Get##type_##RuleAt( \
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const ServoCssRules* rules, uint32_t index, uint32_t* line, \
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uint32_t* column); \
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void Servo_StyleSet_##type_##RuleChanged( \
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const RawServoStyleSet*, const RawServo##type_##Rule*, \
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const StyleDomStyleSheet*, StyleRuleChangeKind); \
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BASIC_RULE_FUNCS_WITHOUT_GETTER(type_##Rule)
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#define GROUP_RULE_FUNCS(type_) \
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BASIC_RULE_FUNCS(type_) \
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StyleStrong<ServoCssRules> Servo_##type_##Rule_GetRules( \
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const RawServo##type_##Rule* rule);
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BASIC_RULE_FUNCS(Style)
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BASIC_RULE_FUNCS(Import)
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BASIC_RULE_FUNCS_WITHOUT_GETTER(Keyframe)
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BASIC_RULE_FUNCS(Keyframes)
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GROUP_RULE_FUNCS(Media)
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GROUP_RULE_FUNCS(MozDocument)
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BASIC_RULE_FUNCS(Namespace)
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BASIC_RULE_FUNCS(Page)
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GROUP_RULE_FUNCS(Supports)
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GROUP_RULE_FUNCS(LayerBlock)
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BASIC_RULE_FUNCS(LayerStatement)
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BASIC_RULE_FUNCS(FontFeatureValues)
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BASIC_RULE_FUNCS(FontFace)
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BASIC_RULE_FUNCS(CounterStyle)
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BASIC_RULE_FUNCS(ScrollTimeline)
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#undef GROUP_RULE_FUNCS
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#undef BASIC_RULE_FUNCS
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#undef BASIC_RULE_FUNCS_WITHOUT_GETTER
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#define BASIC_SERDE_FUNCS(type_) \
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bool Servo_##type_##_Deserialize(mozilla::ipc::ByteBuf* input, type_* v); \
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bool Servo_##type_##_Serialize(const type_* v, mozilla::ipc::ByteBuf* output);
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using RayFunction = StyleRayFunction<StyleAngle>;
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BASIC_SERDE_FUNCS(LengthPercentage)
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BASIC_SERDE_FUNCS(StyleRotate)
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BASIC_SERDE_FUNCS(StyleScale)
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BASIC_SERDE_FUNCS(StyleTranslate)
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BASIC_SERDE_FUNCS(StyleTransform)
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BASIC_SERDE_FUNCS(StyleOffsetPath)
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BASIC_SERDE_FUNCS(StyleOffsetRotate)
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BASIC_SERDE_FUNCS(StylePositionOrAuto)
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#undef BASIC_SERDE_FUNCS
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void Servo_CounterStyleRule_GetDescriptorCssText(
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const RawServoCounterStyleRule* rule, nsCSSCounterDesc desc,
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nsACString* result);
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bool Servo_CounterStyleRule_SetDescriptor(const RawServoCounterStyleRule* rule,
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nsCSSCounterDesc desc,
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const nsACString* value);
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} // extern "C"
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#pragma GCC diagnostic pop
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} // namespace mozilla
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#endif // mozilla_ServoBindings_h
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