#pragma once
#if ENABLE(WEBGPU)
#include "WHLSLError.h"
#include "WHLSLFunctionAttribute.h"
#include "WHLSLSemantic.h"
#include "WHLSLTypeArgument.h"
#include <wtf/Expected.h>
namespace WebCore {
namespace WHLSL {
class Program;
namespace AST {
class TypeDefinition;
class StructureDefinition;
class EnumerationDefinition;
class FunctionDefinition;
class NativeFunctionDeclaration;
class NativeTypeDeclaration;
class TypeReference;
class PointerType;
class ArrayReferenceType;
class ArrayType;
class StructureElement;
class EnumerationMember;
class FunctionDeclaration;
class ReferenceType;
class ConstantExpression;
class BuiltInSemantic;
class ResourceSemantic;
class SpecializationConstantSemantic;
class StageInOutSemantic;
class IntegerLiteral;
class UnsignedIntegerLiteral;
class FloatLiteral;
class BooleanLiteral;
class EnumerationMemberLiteral;
class NumThreadsFunctionAttribute;
class Block;
class StatementList;
class Statement;
class Break;
class Continue;
class DoWhileLoop;
class Expression;
class DotExpression;
class GlobalVariableReference;
class IndexExpression;
class PropertyAccessExpression;
class EffectfulExpressionStatement;
class Fallthrough;
class ForLoop;
class IfStatement;
class Return;
class SwitchCase;
class SwitchStatement;
class VariableDeclarationsStatement;
class WhileLoop;
class VariableDeclaration;
class AssignmentExpression;
class CallExpression;
class CommaExpression;
class DereferenceExpression;
class LogicalExpression;
class LogicalNotExpression;
class MakeArrayReferenceExpression;
class MakePointerExpression;
class ReadModifyWriteExpression;
class TernaryExpression;
class VariableReference;
class UnnamedType;
class NamedType;
}
class Visitor {
public:
virtual ~Visitor() = default;
virtual void visit(Program&);
virtual void visit(AST::UnnamedType&);
virtual void visit(AST::NamedType&);
virtual void visit(AST::TypeDefinition&);
virtual void visit(AST::StructureDefinition&);
virtual void visit(AST::EnumerationDefinition&);
virtual void visit(AST::FunctionDefinition&);
virtual void visit(AST::NativeFunctionDeclaration&);
virtual void visit(AST::NativeTypeDeclaration&);
virtual void visit(AST::TypeReference&);
virtual void visit(AST::PointerType&);
virtual void visit(AST::ArrayReferenceType&);
virtual void visit(AST::ArrayType&);
virtual void visit(AST::StructureElement&);
virtual void visit(AST::EnumerationMember&);
virtual void visit(AST::FunctionDeclaration&);
virtual void visit(AST::TypeArgument&);
virtual void visit(AST::ReferenceType&);
virtual void visit(AST::Semantic&);
virtual void visit(AST::ConstantExpression&);
virtual void visit(AST::AttributeBlock&);
virtual void visit(AST::BuiltInSemantic&);
virtual void visit(AST::ResourceSemantic&);
virtual void visit(AST::SpecializationConstantSemantic&);
virtual void visit(AST::StageInOutSemantic&);
virtual void visit(AST::IntegerLiteral&);
virtual void visit(AST::UnsignedIntegerLiteral&);
virtual void visit(AST::FloatLiteral&);
virtual void visit(AST::BooleanLiteral&);
virtual void visit(AST::IntegerLiteralType&);
virtual void visit(AST::UnsignedIntegerLiteralType&);
virtual void visit(AST::FloatLiteralType&);
virtual void visit(AST::EnumerationMemberLiteral&);
virtual void visit(AST::FunctionAttribute&);
virtual void visit(AST::NumThreadsFunctionAttribute&);
virtual void visit(AST::Block&);
virtual void visit(AST::StatementList&);
virtual void visit(AST::Statement&);
virtual void visit(AST::Break&);
virtual void visit(AST::Continue&);
virtual void visit(AST::DoWhileLoop&);
virtual void visit(AST::Expression&);
virtual void visit(AST::DotExpression&);
virtual void visit(AST::GlobalVariableReference&);
virtual void visit(AST::IndexExpression&);
virtual void visit(AST::PropertyAccessExpression&);
virtual void visit(AST::EffectfulExpressionStatement&);
virtual void visit(AST::Fallthrough&);
virtual void visit(AST::ForLoop&);
virtual void visit(AST::IfStatement&);
virtual void visit(AST::Return&);
virtual void visit(AST::SwitchCase&);
virtual void visit(AST::SwitchStatement&);
virtual void visit(AST::VariableDeclarationsStatement&);
virtual void visit(AST::WhileLoop&);
virtual void visit(AST::VariableDeclaration&);
virtual void visit(AST::AssignmentExpression&);
virtual void visit(AST::CallExpression&);
virtual void visit(AST::CommaExpression&);
virtual void visit(AST::DereferenceExpression&);
virtual void visit(AST::LogicalExpression&);
virtual void visit(AST::LogicalNotExpression&);
virtual void visit(AST::MakeArrayReferenceExpression&);
virtual void visit(AST::MakePointerExpression&);
virtual void visit(AST::ReadModifyWriteExpression&);
virtual void visit(AST::TernaryExpression&);
virtual void visit(AST::VariableReference&);
bool hasError() const { return !m_expectedError; }
Expected<void, Error> result() { return m_expectedError; }
template<typename T> void checkErrorAndVisit(T& x)
{
if (!hasError())
visit(x);
}
protected:
void setError(Error error)
{
ASSERT(!hasError());
m_expectedError = makeUnexpected(error);
}
private:
Expected<void, Error> m_expectedError;
};
}
}
#endif // ENABLE(WEBGPU)