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/*
* 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 {
ExternalFunctionCall(int offset, const Type& type, ExternalValue* function,
std::vector<std::unique_ptr<Expression>> arguments)
: INHERITED(offset, kExternalFunctionCall_Kind, 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;
}
int nodeCount() const override {
int result = 1;
for (const auto& a : fArguments) {
result += a->nodeCount();
}
return result;
}
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;
}
ExternalValue* fFunction;
std::vector<std::unique_ptr<Expression>> fArguments;
typedef Expression INHERITED;
};
} // namespace
#endif