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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 http://mozilla.org/MPL/2.0/. */
/* FFI functions for Gecko to call into Servo */
#ifndef mozilla_ServoBindings_h
#define mozilla_ServoBindings_h
#include "mozilla/ServoStyleConsts.h"
// These functions are defined via macros in Rust, so cbindgen doesn't see them.
namespace mozilla {
// The clang we use on windows complains about returning StyleStrong<> and
// StyleOwned<>, since the template parameters are incomplete.
//
// But they only contain pointers so it is ok. Also, this warning hilariously
// doesn't exist in GCC.
//
// A solution for this is to explicitly instantiate the template, but duplicate
// instantiations are an error.
//
// https://github.com/eqrion/cbindgen/issues/402 tracks an improvement to
// cbindgen that would allow it to autogenerate the template instantiations on
// its own.
#pragma GCC diagnostic push
#ifdef __clang__
# pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
#endif
extern "C" {
#define BASIC_RULE_FUNCS_WITHOUT_GETTER_WITH_PREFIX(type_, prefix_) \
void Servo_##type_##_Debug(const mozilla::Style##prefix_##type_*, \
nsACString* result); \
void Servo_##type_##_GetCssText(const mozilla::Style##prefix_##type_*, \
nsACString* result);
#define BASIC_RULE_FUNCS_WITHOUT_GETTER_LOCKED(type_) \
BASIC_RULE_FUNCS_WITHOUT_GETTER_WITH_PREFIX(type_, Locked)
#define BASIC_RULE_FUNCS_WITHOUT_GETTER_UNLOCKED(type_) \
BASIC_RULE_FUNCS_WITHOUT_GETTER_WITH_PREFIX(type_, )
#define BASIC_RULE_FUNCS_WITH_PREFIX(type_, prefix_) \
StyleStrong<mozilla::Style##prefix_##type_##Rule> \
Servo_CssRules_Get##type_##RuleAt(const StyleLockedCssRules* rules, \
uint32_t index, uint32_t* line, \
uint32_t* column); \
void Servo_StyleSet_##type_##RuleChanged( \
const StylePerDocumentStyleData*, const Style##prefix_##type_##Rule*, \
const StyleDomStyleSheet*, StyleRuleChangeKind); \
BASIC_RULE_FUNCS_WITHOUT_GETTER_WITH_PREFIX(type_##Rule, prefix_)
#define BASIC_RULE_FUNCS_LOCKED(type_) \
BASIC_RULE_FUNCS_WITH_PREFIX(type_, Locked)
#define BASIC_RULE_FUNCS_UNLOCKED(type_) BASIC_RULE_FUNCS_WITH_PREFIX(type_, )
#define GROUP_RULE_FUNCS_WITH_PREFIX(type_, prefix_) \
BASIC_RULE_FUNCS_WITH_PREFIX(type_, prefix_) \
StyleStrong<mozilla::StyleLockedCssRules> Servo_##type_##Rule_GetRules( \
const mozilla::Style##prefix_##type_##Rule* rule);
#define GROUP_RULE_FUNCS_LOCKED(type_) \
GROUP_RULE_FUNCS_WITH_PREFIX(type_, Locked)
#define GROUP_RULE_FUNCS_UNLOCKED(type_) GROUP_RULE_FUNCS_WITH_PREFIX(type_, )
BASIC_RULE_FUNCS_LOCKED(Style)
BASIC_RULE_FUNCS_LOCKED(Import)
BASIC_RULE_FUNCS_WITHOUT_GETTER_LOCKED(Keyframe)
BASIC_RULE_FUNCS_LOCKED(Keyframes)
GROUP_RULE_FUNCS_UNLOCKED(Media)
GROUP_RULE_FUNCS_UNLOCKED(Document)
BASIC_RULE_FUNCS_UNLOCKED(Namespace)
BASIC_RULE_FUNCS_LOCKED(Page)
BASIC_RULE_FUNCS_UNLOCKED(Property)
GROUP_RULE_FUNCS_UNLOCKED(Supports)
GROUP_RULE_FUNCS_UNLOCKED(LayerBlock)
BASIC_RULE_FUNCS_UNLOCKED(LayerStatement)
BASIC_RULE_FUNCS_UNLOCKED(FontFeatureValues)
BASIC_RULE_FUNCS_UNLOCKED(FontPaletteValues)
BASIC_RULE_FUNCS_LOCKED(FontFace)
BASIC_RULE_FUNCS_LOCKED(CounterStyle)
GROUP_RULE_FUNCS_UNLOCKED(Container)
#undef GROUP_RULE_FUNCS_LOCKED
#undef GROUP_RULE_FUNCS_UNLOCKED
#undef GROUP_RULE_FUNCS_WITH_PREFIX
#undef BASIC_RULE_FUNCS_LOCKED
#undef BASIC_RULE_FUNCS_UNLOCKED
#undef BASIC_RULE_FUNCS_WITH_PREFIX
#undef BASIC_RULE_FUNCS_WITHOUT_GETTER_LOCKED
#undef BASIC_RULE_FUNCS_WITHOUT_GETTER_UNLOCKED
#undef BASIC_RULE_FUNCS_WITHOUT_GETTER_WITH_PREFIX
#define BASIC_SERDE_FUNCS(type_) \
bool Servo_##type_##_Deserialize(mozilla::ipc::ByteBuf* input, type_* v); \
bool Servo_##type_##_Serialize(const type_* v, mozilla::ipc::ByteBuf* output);
using RayFunction = StyleRayFunction<StyleAngle>;
BASIC_SERDE_FUNCS(LengthPercentage)
BASIC_SERDE_FUNCS(StyleRotate)
BASIC_SERDE_FUNCS(StyleScale)
BASIC_SERDE_FUNCS(StyleTranslate)
BASIC_SERDE_FUNCS(StyleTransform)
BASIC_SERDE_FUNCS(StyleOffsetPath)
BASIC_SERDE_FUNCS(StyleOffsetRotate)
BASIC_SERDE_FUNCS(StylePositionOrAuto)
BASIC_SERDE_FUNCS(StyleComputedTimingFunction)
#undef BASIC_SERDE_FUNCS
void Servo_CounterStyleRule_GetDescriptorCssText(
const StyleLockedCounterStyleRule* rule, nsCSSCounterDesc desc,
nsACString* result);
bool Servo_CounterStyleRule_SetDescriptor(
const StyleLockedCounterStyleRule* rule, nsCSSCounterDesc desc,
const nsACString* value);
} // extern "C"
#pragma GCC diagnostic pop
} // namespace mozilla
#endif // mozilla_ServoBindings_h
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