| /* |
| * Copyright 2019 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_EXTERNALFUNCTIONCALL |
| #define SKSL_EXTERNALFUNCTIONCALL |
| |
| #include "include/private/SkTArray.h" |
| #include "src/sksl/SkSLExternalValue.h" |
| #include "src/sksl/ir/SkSLExpression.h" |
| #include "src/sksl/ir/SkSLFunctionDeclaration.h" |
| |
| namespace SkSL { |
| |
| /** |
| * An external function invocation. |
| */ |
| class ExternalFunctionCall : public Expression { |
| public: |
| static constexpr Kind kExpressionKind = Kind::kExternalFunctionCall; |
| |
| ExternalFunctionCall(int offset, const ExternalValue* function, ExpressionArray arguments) |
| : INHERITED(offset, kExpressionKind, ExternalValueData{&function->callReturnType(), function}) { |
| fExpressionChildren = std::move(arguments); |
| } |
| |
| const Type& type() const override { |
| return *this->externalValueData().fType; |
| } |
| |
| ExpressionArray& arguments() { |
| return fExpressionChildren; |
| } |
| |
| const ExpressionArray& arguments() const { |
| return fExpressionChildren; |
| } |
| |
| const ExternalValue& function() const { |
| return *this->externalValueData().fValue; |
| } |
| |
| bool hasProperty(Property property) const override { |
| if (property == Property::kSideEffects) { |
| return true; |
| } |
| for (const auto& arg : this->arguments()) { |
| if (arg->hasProperty(property)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| std::unique_ptr<Expression> clone() const override { |
| ExpressionArray cloned; |
| cloned.reserve_back(this->arguments().size()); |
| for (const auto& arg : this->arguments()) { |
| cloned.push_back(arg->clone()); |
| } |
| return std::make_unique<ExternalFunctionCall>(fOffset, &this->function(), |
| std::move(cloned)); |
| } |
| |
| String description() const override { |
| String result = String(this->function().name()) + "("; |
| String separator; |
| for (const std::unique_ptr<Expression>& arg : this->arguments()) { |
| result += separator; |
| result += arg->description(); |
| separator = ", "; |
| } |
| result += ")"; |
| return result; |
| } |
| |
| using INHERITED = Expression; |
| }; |
| |
| } // namespace SkSL |
| |
| #endif |