| /* |
| * 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 "src/sksl/SkSLExternalValue.h" |
| #include "src/sksl/ir/SkSLExpression.h" |
| #include "src/sksl/ir/SkSLFunctionDeclaration.h" |
| |
| namespace SkSL { |
| |
| /** |
| * An external function invocation. |
| */ |
| struct ExternalFunctionCall : public Expression { |
| static constexpr Kind kExpressionKind = kExternalFunctionCall_Kind; |
| |
| ExternalFunctionCall(int offset, const Type& type, const ExternalValue* function, |
| std::vector<std::unique_ptr<Expression>> arguments) |
| : INHERITED(offset, kExpressionKind, type) |
| , fFunction(function) |
| , fArguments(std::move(arguments)) {} |
| |
| bool hasProperty(Property property) const override { |
| if (property == Property::kSideEffects) { |
| return true; |
| } |
| for (const auto& arg : fArguments) { |
| if (arg->hasProperty(property)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| std::unique_ptr<Expression> clone() const override { |
| std::vector<std::unique_ptr<Expression>> cloned; |
| for (const auto& arg : fArguments) { |
| cloned.push_back(arg->clone()); |
| } |
| return std::unique_ptr<Expression>(new ExternalFunctionCall(fOffset, |
| fType, |
| fFunction, |
| std::move(cloned))); |
| } |
| |
| String description() const override { |
| String result = String(fFunction->fName) + "("; |
| String separator; |
| for (size_t i = 0; i < fArguments.size(); i++) { |
| result += separator; |
| result += fArguments[i]->description(); |
| separator = ", "; |
| } |
| result += ")"; |
| return result; |
| } |
| |
| const ExternalValue* fFunction; |
| std::vector<std::unique_ptr<Expression>> fArguments; |
| |
| typedef Expression INHERITED; |
| }; |
| |
| } // namespace SkSL |
| |
| #endif |