diff options
Diffstat (limited to 'layout/style/ServoBindings.h')
| -rw-r--r-- | layout/style/ServoBindings.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/layout/style/ServoBindings.h b/layout/style/ServoBindings.h new file mode 100644 index 0000000000..e2fd709f6b --- /dev/null +++ b/layout/style/ServoBindings.h @@ -0,0 +1,132 @@ +/* -*- 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 |