111 lines
4.9 KiB
Erlang
111 lines
4.9 KiB
Erlang
%% Grammar for Turtle as specified in https://www.w3.org/TR/2014/REC-n-triples-20140225/
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Nonterminals turtleDoc statement directive prefixID base sparqlPrefix sparqlBase
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triples predicateObjectList objectList blankNodePropertyList semicolonSequence
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verb subject predicate object collection collection_elements
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literal numericLiteral rdfLiteral booleanLiteral iri prefixedName blankNode
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annotation quotedTriple qtSubject qtObject .
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Terminals prefix_ns prefix_ln iriref blank_node_label anon
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string_literal_quote langtag integer decimal double boolean
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'.' ';' ',' '[' ']' '(' ')' '^^' '@prefix' '@base' 'PREFIX' 'BASE' 'a'
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'<<' '>>' '{|' '|}' .
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Rootsymbol turtleDoc.
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turtleDoc -> statement : ['$1'] .
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turtleDoc -> statement turtleDoc : ['$1' | '$2'] .
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statement -> directive : {directive, '$1'} .
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statement -> triples '.' : {triples, '$1'} .
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directive -> prefixID : '$1' .
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directive -> sparqlPrefix : '$1' .
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directive -> base : '$1' .
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directive -> sparqlBase : '$1' .
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prefixID -> '@prefix' prefix_ns iriref '.' : {prefix, '$2', to_iri_string('$3')} .
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sparqlPrefix -> 'PREFIX' prefix_ns iriref : {prefix, '$2', to_iri_string('$3')} .
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sparqlBase -> 'BASE' iriref : {base, to_iri_string('$2')} .
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base -> '@base' iriref '.' : {base, to_iri_string('$2')} .
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triples -> subject predicateObjectList : { '$1', '$2' }.
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triples -> blankNodePropertyList predicateObjectList : { '$1', '$2' }.
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triples -> blankNodePropertyList : '$1'.
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predicateObjectList -> verb objectList : [{'$1', '$2'}] .
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predicateObjectList -> verb objectList semicolonSequence : [{'$1', '$2'}] .
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predicateObjectList -> verb objectList semicolonSequence predicateObjectList : [{'$1', '$2'} | '$4'] .
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semicolonSequence -> ';' .
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semicolonSequence -> ';' semicolonSequence .
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objectList -> object : ['$1'] .
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objectList -> object ',' objectList : ['$1' | '$3'] .
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objectList -> object annotation : ['$1', {annotation, '$2'}] .
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objectList -> object annotation ',' objectList : ['$1', {annotation, '$2'} | '$4'] .
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blankNodePropertyList -> '[' predicateObjectList ']' : {blankNodePropertyList, '$2'} .
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verb -> 'a' : rdf_type() .
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verb -> predicate : '$1' .
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subject -> iri : '$1' .
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subject -> blankNode : '$1' .
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subject -> collection : '$1' .
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subject -> quotedTriple : '$1' .
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predicate -> iri : '$1' .
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object -> iri : '$1' .
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object -> blankNode : '$1' .
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object -> collection : '$1' .
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object -> blankNodePropertyList : '$1' .
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object -> literal : '$1' .
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object -> quotedTriple : '$1' .
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quotedTriple -> '<<' qtSubject verb qtObject '>>' : {quoted_triple, '$2', '$3', '$4' } .
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qtSubject -> iri : '$1' .
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qtSubject -> blankNode : '$1' .
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qtSubject -> quotedTriple : '$1' .
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qtObject -> iri : '$1' .
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qtObject -> blankNode : '$1' .
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qtObject -> literal : '$1' .
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qtObject -> quotedTriple : '$1' .
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annotation -> '{|' predicateObjectList '|}' : '$2' .
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collection -> '(' ')' : {collection, []} .
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collection -> '(' collection_elements ')' : {collection, '$2'} .
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collection_elements -> object : ['$1'] .
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collection_elements -> object collection_elements : ['$1' | '$2'] .
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prefixedName -> prefix_ln : '$1' .
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prefixedName -> prefix_ns : '$1' .
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literal -> rdfLiteral : '$1' .
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literal -> numericLiteral : '$1' .
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literal -> booleanLiteral : '$1' .
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rdfLiteral -> string_literal_quote '^^' iri : to_literal('$1', {datatype, '$3'}) .
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rdfLiteral -> string_literal_quote langtag : to_literal('$1', {language, to_langtag('$2')}) .
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rdfLiteral -> string_literal_quote '@prefix' : to_literal('$1', {language, to_langtag('$2')}) .
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rdfLiteral -> string_literal_quote '@base' : to_literal('$1', {language, to_langtag('$2')}) .
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rdfLiteral -> string_literal_quote : to_literal('$1') .
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numericLiteral -> integer : to_literal('$1') .
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numericLiteral -> decimal : to_literal('$1') .
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numericLiteral -> double : to_literal('$1') .
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booleanLiteral -> boolean : to_literal('$1') .
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iri -> iriref : to_iri('$1') .
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iri -> prefixedName : '$1' .
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blankNode -> blank_node_label : to_bnode('$1') .
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blankNode -> anon : {anon} .
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Erlang code.
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to_iri_string(IRIREF) -> 'Elixir.RDF.Serialization.ParseHelper':to_iri_string(IRIREF) .
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to_iri(IRIREF) -> 'Elixir.RDF.Serialization.ParseHelper':to_absolute_or_relative_iri(IRIREF) .
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to_bnode(BLANK_NODE) -> 'Elixir.RDF.Serialization.ParseHelper':to_bnode(BLANK_NODE).
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to_literal(STRING_LITERAL_QUOTE) -> 'Elixir.RDF.Serialization.ParseHelper':to_literal(STRING_LITERAL_QUOTE).
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to_literal(STRING_LITERAL_QUOTE, Type) -> 'Elixir.RDF.Serialization.ParseHelper':to_literal(STRING_LITERAL_QUOTE, Type).
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to_langtag(LANGTAG) -> 'Elixir.RDF.Serialization.ParseHelper':to_langtag(LANGTAG).
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rdf_type() -> 'Elixir.RDF.Serialization.ParseHelper':rdf_type().
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