ava.graphql-java.2018-06-13T01-43-44-50a2a13.source-code.GraphqlSDL.g4 Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of graphql-java Show documentation

GraphqL Java

There is a newer version: 230521-nf-execution

grammar GraphqlSDL;
import GraphqlCommon;

typeSystemDefinition: description?
schemaDefinition |
typeDefinition |
typeExtension |
directiveDefinition
;

schemaDefinition : description? SCHEMA directives? '{' operationTypeDefinition+ '}';

operationTypeDefinition : description? operationType ':' typeName;

typeDefinition:
scalarTypeDefinition |
objectTypeDefinition |
interfaceTypeDefinition |
unionTypeDefinition |
enumTypeDefinition |
inputObjectTypeDefinition
;

//
// type extensions dont get "description" strings according to spec
// https://github.com/facebook/graphql/blob/master/spec/Appendix%20B%20--%20Grammar%20Summary.md
//

typeExtension :
    objectTypeExtensionDefinition |
    interfaceTypeExtensionDefinition |
    unionTypeExtensionDefinition |
    scalarTypeExtensionDefinition |
    enumTypeExtensionDefinition |
    inputObjectTypeExtensionDefinition
;


scalarTypeDefinition : description? SCALAR name directives?;

scalarTypeExtensionDefinition : EXTEND SCALAR name directives?;

objectTypeDefinition : description? TYPE name implementsInterfaces? directives? fieldsDefinition?;

objectTypeExtensionDefinition : EXTEND TYPE name implementsInterfaces? directives? fieldsDefinition?;

implementsInterfaces :
    IMPLEMENTS '&'? typeName+ |
    implementsInterfaces '&' typeName ;

fieldsDefinition : '{' fieldDefinition* '}';

fieldDefinition : description? name argumentsDefinition? ':' type directives?;

argumentsDefinition : '(' inputValueDefinition+ ')';

inputValueDefinition : description? name ':' type defaultValue? directives?;

interfaceTypeDefinition : description? INTERFACE name directives? fieldsDefinition?;

interfaceTypeExtensionDefinition : EXTEND INTERFACE name directives? fieldsDefinition?;


unionTypeDefinition : description? UNION name directives? unionMembership;

unionTypeExtensionDefinition : EXTEND UNION name directives? unionMembership?;

unionMembership : '=' unionMembers;

unionMembers:
'|'? typeName |
unionMembers '|' typeName
;

enumTypeDefinition : description? ENUM name directives? enumValueDefinitions;

enumTypeExtensionDefinition : EXTEND ENUM name directives? enumValueDefinitions?;

enumValueDefinitions : '{' enumValueDefinition+ '}';

enumValueDefinition : description? enumValue directives?;


inputObjectTypeDefinition : description? INPUT name directives? inputObjectValueDefinitions;

inputObjectTypeExtensionDefinition : EXTEND INPUT name directives? inputObjectValueDefinitions?;

inputObjectValueDefinitions : '{' inputValueDefinition+ '}';


directiveDefinition : description? DIRECTIVE '@' name argumentsDefinition? 'on' directiveLocations;

directiveLocation : name;

directiveLocations :
directiveLocation |
directiveLocations '|' directiveLocation
;