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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_ASTINTERFACEBLOCK
#define SKSL_ASTINTERFACEBLOCK
#include "SkSLASTVarDeclaration.h"
#include "../ir/SkSLModifiers.h"
namespace SkSL {
/**
* An interface block, as in:
*
* out gl_PerVertex {
* layout(builtin=0) vec4 gl_Position;
* layout(builtin=1) float gl_PointSize;
* };
*/
struct ASTInterfaceBlock : public ASTDeclaration {
// valueName is empty when it was not present in the source
ASTInterfaceBlock(Position position,
Modifiers modifiers,
SkString typeName,
std::vector<std::unique_ptr<ASTVarDeclarations>> declarations,
SkString instanceName,
std::vector<std::unique_ptr<ASTExpression>> sizes)
: INHERITED(position, kInterfaceBlock_Kind)
, fModifiers(modifiers)
, fTypeName(std::move(typeName))
, fDeclarations(std::move(declarations))
, fInstanceName(std::move(instanceName))
, fSizes(std::move(sizes)) {}
SkString description() const override {
SkString result = fModifiers.description() + fTypeName + " {\n";
for (size_t i = 0; i < fDeclarations.size(); i++) {
result += fDeclarations[i]->description() + "\n";
}
result += "}";
if (fInstanceName.size()) {
result += " " + fInstanceName;
for (const auto& size : fSizes) {
result += "[";
if (size) {
result += size->description();
}
result += "]";
}
}
return result + ";";
}
const Modifiers fModifiers;
const SkString fTypeName;
const std::vector<std::unique_ptr<ASTVarDeclarations>> fDeclarations;
const SkString fInstanceName;
const std::vector<std::unique_ptr<ASTExpression>> fSizes;
typedef ASTDeclaration INHERITED;
};
} // namespace
#endif
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