| /* |
| * Copyright 2021 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "src/sksl/SkSLContext.h" |
| #include "src/sksl/ir/SkSLChildCall.h" |
| |
| namespace SkSL { |
| |
| bool ChildCall::hasProperty(Property property) const { |
| for (const auto& arg : this->arguments()) { |
| if (arg->hasProperty(property)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| std::unique_ptr<Expression> ChildCall::clone() const { |
| ExpressionArray cloned; |
| cloned.reserve_back(this->arguments().size()); |
| for (const std::unique_ptr<Expression>& arg : this->arguments()) { |
| cloned.push_back(arg->clone()); |
| } |
| return std::make_unique<ChildCall>(fOffset, &this->type(), &this->child(), std::move(cloned)); |
| } |
| |
| String ChildCall::description() const { |
| String result = String(this->child().name()) + ".eval("; |
| String separator; |
| for (const std::unique_ptr<Expression>& arg : this->arguments()) { |
| result += separator; |
| result += arg->description(); |
| separator = ", "; |
| } |
| result += ")"; |
| return result; |
| } |
| |
| [[maybe_unused]] static bool call_signature_is_valid(const Context& context, |
| const Variable& child, |
| const ExpressionArray& arguments) { |
| const Type* half4 = context.fTypes.fHalf4.get(); |
| const Type* float2 = context.fTypes.fFloat2.get(); |
| |
| auto params = [&]() -> SkSTArray<2, const Type*> { |
| switch (child.type().typeKind()) { |
| case Type::TypeKind::kBlender: return { half4, half4 }; |
| case Type::TypeKind::kColorFilter: return { half4 }; |
| case Type::TypeKind::kShader: return { float2 }; |
| default: |
| SkUNREACHABLE; |
| } |
| }(); |
| |
| if (params.size() != arguments.size()) { |
| return false; |
| } |
| for (size_t i = 0; i < arguments.size(); i++) { |
| if (arguments[i]->type() != *params[i]) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| std::unique_ptr<Expression> ChildCall::Make(const Context& context, |
| int offset, |
| const Type* returnType, |
| const Variable& child, |
| ExpressionArray arguments) { |
| SkASSERT(call_signature_is_valid(context, child, arguments)); |
| return std::make_unique<ChildCall>(offset, returnType, &child, std::move(arguments)); |
| } |
| |
| } // namespace SkSL |