/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKSL_ASTINTERFACEBLOCK
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#define SKSL_ASTINTERFACEBLOCK
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#include "SkSLASTVarDeclaration.h"
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#include "../ir/SkSLModifiers.h"
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namespace SkSL {
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/**
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* An interface block, as in:
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*
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* out sk_PerVertex {
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* layout(builtin=0) float4 sk_Position;
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* layout(builtin=1) float sk_PointSize;
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* };
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*/
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struct ASTInterfaceBlock : public ASTDeclaration {
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// valueName is empty when it was not present in the source
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ASTInterfaceBlock(int offset,
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Modifiers modifiers,
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StringFragment typeName,
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std::vector<std::unique_ptr<ASTVarDeclarations>> declarations,
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StringFragment instanceName,
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std::vector<std::unique_ptr<ASTExpression>> sizes)
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: INHERITED(offset, kInterfaceBlock_Kind)
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, fModifiers(modifiers)
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, fTypeName(typeName)
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, fDeclarations(std::move(declarations))
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, fInstanceName(instanceName)
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, fSizes(std::move(sizes)) {}
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String description() const override {
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String result = fModifiers.description() + fTypeName + " {\n";
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for (size_t i = 0; i < fDeclarations.size(); i++) {
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result += fDeclarations[i]->description() + "\n";
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}
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result += "}";
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if (fInstanceName.fLength) {
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result += " " + fInstanceName;
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for (const auto& size : fSizes) {
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result += "[";
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if (size) {
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result += size->description();
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}
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result += "]";
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}
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}
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return result + ";";
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}
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const Modifiers fModifiers;
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const StringFragment fTypeName;
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const std::vector<std::unique_ptr<ASTVarDeclarations>> fDeclarations;
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const StringFragment fInstanceName;
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const std::vector<std::unique_ptr<ASTExpression>> fSizes;
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typedef ASTDeclaration INHERITED;
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};
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} // namespace
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#endif
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