blob: 06f5e9842b060f64d0027c63bacfff2ab5defd74 [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_FUNCTIONCALL
#define SKSL_FUNCTIONCALL
#include "include/private/SkTArray.h"
#include "src/sksl/ir/SkSLExpression.h"
#include "src/sksl/ir/SkSLFunctionDeclaration.h"
namespace SkSL {
/**
* A function invocation.
*/
class FunctionCall final : public Expression {
public:
inline static constexpr Kind kExpressionKind = Kind::kFunctionCall;
FunctionCall(int line, const Type* type, const FunctionDeclaration* function,
ExpressionArray arguments)
: INHERITED(line, kExpressionKind, type)
, fFunction(*function)
, fArguments(std::move(arguments)) {}
// Resolves generic types, performs type conversion on arguments, determines return type, and
// reports errors via the ErrorReporter.
static std::unique_ptr<Expression> Convert(const Context& context,
int line,
const FunctionDeclaration& function,
ExpressionArray arguments);
static std::unique_ptr<Expression> Convert(const Context& context,
int line,
std::unique_ptr<Expression> functionValue,
ExpressionArray arguments);
// Creates the function call; reports errors via ASSERT.
static std::unique_ptr<Expression> Make(const Context& context,
int line,
const Type* returnType,
const FunctionDeclaration& function,
ExpressionArray arguments);
static const FunctionDeclaration* FindBestFunctionForCall(
const Context& context,
const std::vector<const FunctionDeclaration*>& functions,
const ExpressionArray& arguments);
const FunctionDeclaration& function() const {
return fFunction;
}
ExpressionArray& arguments() {
return fArguments;
}
const ExpressionArray& arguments() const {
return fArguments;
}
bool hasProperty(Property property) const override;
std::unique_ptr<Expression> clone() const override;
std::string description() const override;
private:
static CoercionCost CallCost(const Context& context,
const FunctionDeclaration& function,
const ExpressionArray& arguments);
const FunctionDeclaration& fFunction;
ExpressionArray fArguments;
using INHERITED = Expression;
};
} // namespace SkSL
#endif