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/*
* 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_ASTINDEXSUFFIX
#define SKSL_ASTINDEXSUFFIX
#include "SkSLASTExpression.h"
#include "SkSLASTSuffix.h"
namespace SkSL {
/**
* A bracketed expression, as in '[0]', indicating an array access. Empty brackets (as occur in
* 'float[](5, 6)' are represented with a null fExpression.
*/
struct ASTIndexSuffix : public ASTSuffix {
ASTIndexSuffix(Position position)
: INHERITED(position, ASTSuffix::kIndex_Kind)
, fExpression(nullptr) {}
ASTIndexSuffix(std::unique_ptr<ASTExpression> expression)
: INHERITED(expression ? expression->fPosition : Position(), ASTSuffix::kIndex_Kind)
, fExpression(std::move(expression)) {}
SkString description() const override {
if (fExpression) {
return "[" + fExpression->description() + "]";
} else {
return SkString("[]");
}
}
// may be null
std::unique_ptr<ASTExpression> fExpression;
typedef ASTSuffix INHERITED;
};
} // namespace
#endif
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