XPath2 | ::= | QueryList <EOF> |
QueryList | ::= | Module ( <QuerySeparator> ( Module )? )* |
Module | ::= | ( VersionDecl )? ( MainModule | LibraryModule ) |
VersionDecl | ::= | <XQueryVersion> ( <StringLiteralForProlog> | <URILiteral> ) ( <XQueryEncoding> ( <StringLiteralForProlog> | <URILiteral> ) )? Separator |
MainModule | ::= | Prolog QueryBody |
LibraryModule | ::= | ModuleDecl Prolog |
ModuleDecl | ::= | <ModuleNamespace> <NCNameForProlog> <AssignEquals> <URILiteral> Separator |
Prolog | ::= | ( ( Setter | Import | NamespaceDecl | DefaultNamespaceDecl ) Separator )* ( ( VarDecl | FunctionDecl | OptionDecl ) Separator )* |
Setter | ::= | ( BoundarySpaceDecl | DefaultCollationDecl | BaseURIDecl | ConstructionDecl | OrderingModeDecl | EmptyOrderDecl | CopyNamespacesDecl ) |
Import | ::= | ( SchemaImport | ModuleImport ) |
Separator | ::= | <SemiColon> |
NamespaceDecl | ::= | <DeclareNamespace> <NCNameForProlog> <AssignEquals> <URILiteral> |
BoundarySpaceDecl | ::= | <DeclareXMLSpace> ( <Preserve> | <Strip> ) |
DefaultNamespaceDecl | ::= | ( <DeclareDefaultElement> | <DeclareDefaultFunction> ) <Namespace> <URILiteral> |
OptionDecl | ::= | <DeclareOption> <QNameForProlog> ( <StringLiteralForProlog> | <URILiteral> ) |
OrderingModeDecl | ::= | <DeclareOrdering> ( <Ordered> | <Unordered> ) |
EmptyOrderDecl | ::= | <DeclareDefaultOrder> ( <EmptyGreatestForProlog> | <EmptyLeastForProlog> ) |
CopyNamespacesDecl | ::= | <DeclareCopyNamespace> PreserveMode <CommaForProlog> InheritMode |
PreserveMode | ::= | ( <Preserve> | <NoPreserve> ) |
InheritMode | ::= | ( <Inherit> | <NoInherit> ) |
DefaultCollationDecl | ::= | <DeclareCollation> <URILiteral> |
BaseURIDecl | ::= | <DeclareBaseURI> <URILiteral> |
SchemaImport | ::= | <ImportSchemaToken> ( SchemaPrefix )? <URILiteral> ( <AtURILiteral> ( <CommaForProlog> <URILiteral> )* )? |
SchemaPrefix | ::= | ( ( <Namespace> <NCNameForProlog> <AssignEquals> ) | ( <DefaultElement> <Namespace> ) ) |
ModuleImport | ::= | <ImportModuleToken> ( <Namespace> <NCNameForProlog> <AssignEquals> )? <URILiteral> ( <AtURILiteral> ( <CommaForProlog> <URILiteral> )* )? |
VarDecl | ::= | <DefineVariable> <VariableIndicatorForProlog> <QNameForProlog> ( TypeDeclaration )? ( ( <ColonEqualsForProlog> ExprSingle ) | <External> ) |
ConstructionDecl | ::= | <DeclareConstruction> ( <Strip> | <Preserve> ) |
FunctionDecl | ::= | ( <DefineFunction> ) <QNameForProlog> <LparForProlog> ( ParamList )? <Rpar> ( <AsForProlog> SequenceType )? ( EnclosedExpr | <External> ) |
ParamList | ::= | Param ( ( <Comma> | <CommaForProlog> ) Param )* |
Param | ::= | <VariableIndicatorForProlog> <QNameForProlog> ( TypeDeclaration )? |
EnclosedExpr | ::= | ( <Lbrace> | <LbraceExprEnclosure> | <LbraceExprEnclosureForProlog> ) Expr <Rbrace> |
QueryBody | ::= | ( Expr ) |
Expr | ::= | ExprSingle ( <Comma> ExprSingle )* |
ExprSingle | ::= | ( FLWORExpr | QuantifiedExpr | TypeswitchExpr | IfExpr | OrExpr ) |
FLWORExpr | ::= | ( ( ForClause | LetClause ) )+ ( WhereClause )? ( OrderByClause )? ( <Return> ) ExprSingle |
ForClause | ::= | <ForVariable> <VarName> ( TypeDeclaration )? ( PositionalVar )? <In> ExprSingle ( <Comma> <VariableIndicator> <VarName> ( TypeDeclaration )? ( PositionalVar )? <In> ExprSingle )* |
PositionalVar | ::= | <AtWord> <VariableIndicator> <VarName> |
LetClause | ::= | ( ( <LetVariable> <VarName> ( TypeDeclaration )? ) ) <ColonEquals> ExprSingle ( <Comma> ( ( <VariableIndicator> <VarName> ( TypeDeclaration )? ) ) <ColonEquals> ExprSingle )* |
WhereClause | ::= | <Where> ExprSingle |
OrderByClause | ::= | ( <OrderBy> | <OrderByStable> ) OrderSpecList |
OrderSpecList | ::= | OrderSpec ( <Comma> OrderSpec )* |
OrderSpec | ::= | ExprSingle OrderModifier |
OrderModifier | ::= | ( ( <Ascending> | <Descending> ) )? ( ( <EmptyGreatest> | <EmptyLeast> ) )? ( <Collation> <URILiteralToOperator> )? |
QuantifiedExpr | ::= | ( <Some> | <Every> ) <VarName> ( TypeDeclaration )? <In> ExprSingle ( <Comma> <VariableIndicator> <VarName> ( TypeDeclaration )? <In> ExprSingle )* <Satisfies> ExprSingle |
TypeswitchExpr | ::= | <TypeswitchLpar> Expr <Rpar> ( CaseClause )+ <Default> ( <VariableIndicator> <VarName> )? ( <Return> ) ExprSingle |
CaseClause | ::= | <Case> ( <VariableIndicatorForCase> <VarName> <As> )? SequenceType ( <Return> ) ExprSingle |
IfExpr | ::= | <IfLpar> Expr <Rpar> <Then> ExprSingle <Else> ExprSingle |
OperatorExpr | ::= | OrExpr |
OrExpr | ::= | AndExpr ( <Or> AndExpr )* |
AndExpr | ::= | ComparisonExpr ( <And> ComparisonExpr )* |
ComparisonExpr | ::= | RangeExpr ( ( ValueComp | GeneralComp | NodeComp ) RangeExpr )? |
RangeExpr | ::= | AdditiveExpr ( <To> AdditiveExpr )? |
AdditiveExpr | ::= | MultiplicativeExpr ( ( <Plus> | <Minus> ) MultiplicativeExpr )* |
MultiplicativeExpr | ::= | UnionExpr ( ( <Multiply> | <Div> | <Idiv> | <Mod> ) UnionExpr )* |
UnionExpr | ::= | IntersectExceptExpr ( ( <Union> | <Vbar> ) IntersectExceptExpr )* |
IntersectExceptExpr | ::= | InstanceofExpr ( ( <Intersect> | <Except> ) InstanceofExpr )* |
InstanceofExpr | ::= | TreatExpr ( <Instanceof> SequenceType )? |
TreatExpr | ::= | CastableExpr ( <TreatAs> SequenceType )? |
CastableExpr | ::= | CastExpr ( <Castable> SingleType )? |
CastExpr | ::= | UnaryExpr ( <CastAs> SingleType )? |
UnaryExpr | ::= | ( <UnaryMinus> | <UnaryPlus> )* ValueExpr |
ValueExpr | ::= | ( ValidateExpr | PathExpr | ExtensionExpr ) |
GeneralComp | ::= | ( <Equals> | <NotEquals> | <Lt> | <LtEquals> | <Gt> | <GtEquals> ) |
ValueComp | ::= | ( <FortranEq> | <FortranNe> | <FortranLt> | <FortranLe> | <FortranGt> | <FortranGe> ) |
NodeComp | ::= | ( <Is> | <LtLt> | <GtGt> ) |
ValidateExpr | ::= | ( <ValidateLbrace> | ( <ValidateSchemaMode> <LbraceExprEnclosure> ) ) Expr <Rbrace> |
ExtensionExpr | ::= | ( Pragma )+ <LbraceExprEnclosure> ( Expr )? <Rbrace> |
Pragma | ::= | <PragmaOpen> ( <S> )? <QNameForPragma> PragmaContents <PragmaClose> |
PragmaContents | ::= | ( <ExtensionContentChar> )* |
PathExpr | ::= | ( ( <Root> ( RelativePathExpr )? ) | ( <RootDescendants> RelativePathExpr ) | RelativePathExpr ) |
RelativePathExpr | ::= | StepExpr ( ( <Slash> | <SlashSlash> ) StepExpr )* |
StepExpr | ::= | ( AxisStep | FilterExpr ) |
AxisStep | ::= | ( ForwardStep | ReverseStep ) PredicateList |
ForwardStep | ::= | ( ( ForwardAxis NodeTest ) | AbbrevForwardStep ) |
ForwardAxis | ::= | ( <AxisChild> | <AxisDescendant> | <AxisAttribute> | <AxisSelf> | <AxisDescendantOrSelf> | <AxisFollowingSibling> | <AxisFollowing> ) |
AbbrevForwardStep | ::= | ( <At> )? NodeTest |
ReverseStep | ::= | ( ( ReverseAxis NodeTest ) | AbbrevReverseStep ) |
ReverseAxis | ::= | ( <AxisParent> | <AxisAncestor> | <AxisPrecedingSibling> | <AxisPreceding> | <AxisAncestorOrSelf> ) |
AbbrevReverseStep | ::= | <DotDot> |
NodeTest | ::= | ( KindTest | NameTest ) |
NameTest | ::= | ( <QName> | Wildcard ) |
Wildcard | ::= | ( <Star> | <NCNameColonStar> | <StarColonNCName> ) |
FilterExpr | ::= | PrimaryExpr PredicateList |
PredicateList | ::= | ( Predicate )* |
Predicate | ::= | <Lbrack> Expr <Rbrack> |
PrimaryExpr | ::= | ( Literal | VarRef | ParenthesizedExpr | ContextItemExpr | FunctionCall | Constructor | OrderedExpr | UnorderedExpr ) |
Literal | ::= | ( NumericLiteral | <StringLiteral> ) |
NumericLiteral | ::= | ( <IntegerLiteral> | <DecimalLiteral> | <DoubleLiteral> ) |
VarRef | ::= | <VariableIndicator> <VarName> |
ParenthesizedExpr | ::= | <Lpar> ( Expr )? <Rpar> |
ContextItemExpr | ::= | <Dot> |
OrderedExpr | ::= | <OrderedOpen> Expr <Rbrace> |
UnorderedExpr | ::= | <UnorderedOpen> Expr <Rbrace> |
FunctionCall | ::= | ( <QNameLpar> ) ( ExprSingle ( <Comma> ExprSingle )* )? <Rpar> |
Constructor | ::= | ( DirectConstructor | ComputedConstructor ) |
DirectConstructor | ::= | ( DirElemConstructor | DirCommentConstructor | DirPIConstructor ) |
DirElemConstructor | ::= | ( <StartTagOpenRoot> | <StartTagOpen> ) <TagQName> DirAttributeList ( <EmptyTagClose> | ( <StartTagClose> ( DirElemContent )* <EndTagOpen> <TagQName> ( <S> )? <EndTagClose> ) ) |
DirAttributeList | ::= | ( <S> ( <TagQName> ( <S> )? <ValueIndicator> ( <S> )? DirAttributeValue )? )* |
DirAttributeValue | ::= | ( ( <OpenQuot> ( ( <EscapeQuot> | QuotAttrValueContent ) )* <CloseQuot> ) | ( <OpenApos> ( ( <EscapeApos> | AposAttrValueContent ) )* <CloseApos> ) ) |
QuotAttrValueContent | ::= | ( <QuotAttrContentChar> | CommonContent ) |
AposAttrValueContent | ::= | ( <AposAttrContentChar> | CommonContent ) |
DirElemContent | ::= | ( DirectConstructor | <ElementContentChar> | CDataSection | CommonContent ) |
CommonContent | ::= | ( <PredefinedEntityRef> | <CharRef> | <LCurlyBraceEscape> | <RCurlyBraceEscape> | EnclosedExpr ) |
DirCommentConstructor | ::= | ( <XmlCommentStartForElementContent> | <XmlCommentStart> ) DirCommentContents <XmlCommentEnd> |
DirCommentContents | ::= | ( ( <CommentContentChar> | <CommentContentCharDash> ) )* |
DirPIConstructor | ::= | ( <ProcessingInstructionStartForElementContent> | <ProcessingInstructionStart> ) <PITarget> ( <SForPI> DirPIContents )? <ProcessingInstructionEnd> |
DirPIContents | ::= | ( <PIContentChar> )* |
CDataSection | ::= | ( <CdataSectionStartForElementContent> | <CdataSectionStart> ) CDataSectionContents <CdataSectionEnd> |
CDataSectionContents | ::= | ( <CDataSectionChar> )* |
ComputedConstructor | ::= | ( CompDocConstructor | CompElemConstructor | CompAttrConstructor | CompTextConstructor | CompCommentConstructor | CompPIConstructor ) |
CompDocConstructor | ::= | <DocumentLbrace> Expr <Rbrace> |
CompElemConstructor | ::= | ( <ElementQNameLbrace> | ( <ElementLbrace> Expr <Rbrace> <LbraceExprEnclosure> ) ) ( ContentExpr )? <Rbrace> |
ContentExpr | ::= | Expr |
CompAttrConstructor | ::= | ( <AttributeQNameLbrace> | ( <AttributeLbrace> Expr <Rbrace> <LbraceExprEnclosure> ) ) ( Expr )? <Rbrace> |
CompTextConstructor | ::= | <TextLbrace> Expr <Rbrace> |
CompCommentConstructor | ::= | <CommentLbrace> Expr <Rbrace> |
CompPIConstructor | ::= | ( <PINCNameLbrace> | ( <PILbrace> Expr <Rbrace> <LbraceExprEnclosure> ) ) ( Expr )? <Rbrace> |
SingleType | ::= | AtomicType ( <Optional> )? |
TypeDeclaration | ::= | ( <As> | <AsForProlog> ) SequenceType |
SequenceType | ::= | ( ( ItemType ( OccurrenceIndicator )? ) | <EmptySeqTok> ) |
OccurrenceIndicator | ::= | ( <OccurrenceZeroOrOne> | <OccurrenceZeroOrMore> | <OccurrenceOneOrMore> ) |
ItemType | ::= | ( AtomicType | KindTest | <Item> ) |
AtomicType | ::= | ( <QNameForSingleType> | <QNameForAtomicType> | <QNameForSequenceType> ) |
KindTest | ::= | ( DocumentTest | ElementTest | AttributeTest | SchemaElementTest | SchemaAttributeTest | PITest | CommentTest | TextTest | AnyKindTest ) |
AnyKindTest | ::= | ( <NodeLpar> | <NodeLparForKindTest> ) <RparForKindTest> |
DocumentTest | ::= | ( <DocumentLpar> | <DocumentLparForKindTest> ) ( ( ElementTest | SchemaElementTest ) )? <RparForKindTest> |
TextTest | ::= | ( <TextLpar> | <TextLparForKindTest> ) <RparForKindTest> |
CommentTest | ::= | ( <CommentLpar> | <CommentLparForKindTest> ) <RparForKindTest> |
PITest | ::= | ( <ProcessingInstructionLpar> | <ProcessingInstructionLparForKindTest> ) ( ( <NCNameForPI> | <StringLiteralForKindTest> ) )? <RparForKindTest> |
AttributeTest | ::= | ( <AttributeType> | <AttributeTypeForKindTest> ) ( ( AttribNameOrWildcard ( <CommaForKindTest> TypeName )? ) )? <RparForKindTest> |
AttribNameOrWildcard | ::= | ( AttributeName | <AnyName> ) |
SchemaAttributeTest | ::= | ( <SchemaAttributeType> | <SchemaAttributeTypeForKindTest> ) AttributeDeclaration <RparForKindTest> |
AttributeDeclaration | ::= | AttributeName |
ElementTest | ::= | ( <ElementType> | <ElementTypeForKindTest> | <ElementTypeForDocumentTest> ) ( ( ElementNameOrWildcard ( <CommaForKindTest> TypeName ( <Nillable> )? )? ) )? <RparForKindTest> |
ElementNameOrWildcard | ::= | ( ElementName | <AnyName> ) |
SchemaElementTest | ::= | ( <SchemaElementType> | <SchemaElementTypeForKindTest> | <SchemaElementTypeForDocumentTest> ) ElementDeclaration <RparForKindTest> |
ElementDeclaration | ::= | ElementName |
AttributeName | ::= | <QNameForItemType> |
ElementName | ::= | <QNameForItemType> |
TypeName | ::= | <QNameForItemType> |