blob: c93130f0d31609501184a75c225e7f6383b6cd48 [file] [log] [blame]
/*
* 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/ir/SkSLPostfixExpression.h"
#include "include/sksl/SkSLErrorReporter.h"
#include "src/sksl/SkSLAnalysis.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/ir/SkSLVariableReference.h"
namespace SkSL {
std::unique_ptr<Expression> PostfixExpression::Convert(const Context& context,
std::unique_ptr<Expression> base,
Operator op) {
const Type& baseType = base->type();
if (!baseType.isNumber()) {
context.fErrors->error(base->fLine, "'" + std::string(op.tightOperatorName()) +
"' cannot operate on '" + baseType.displayName() + "'");
return nullptr;
}
if (!Analysis::UpdateVariableRefKind(base.get(), VariableRefKind::kReadWrite,
context.fErrors)) {
return nullptr;
}
return PostfixExpression::Make(context, std::move(base), op);
}
std::unique_ptr<Expression> PostfixExpression::Make(const Context&,
std::unique_ptr<Expression> base,
Operator op) {
SkASSERT(base->type().isNumber());
SkASSERT(Analysis::IsAssignable(*base));
return std::make_unique<PostfixExpression>(std::move(base), op);
}
} // namespace SkSL