-
Notifications
You must be signed in to change notification settings - Fork 1.1k
/
GraphqlSDL.g4
131 lines (91 loc) · 3.5 KB
/
GraphqlSDL.g4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
grammar GraphqlSDL;
import GraphqlCommon;
typeSystemDefinition:
schemaDefinition |
typeDefinition |
directiveDefinition
;
typeSystemExtension :
schemaExtension |
typeExtension
;
schemaDefinition : description? SCHEMA directives? '{' operationTypeDefinition+ '}';
schemaExtension :
EXTEND SCHEMA directives? '{' operationTypeDefinition+ '}' |
EXTEND SCHEMA directives+
;
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
;
emptyParentheses : '{' '}';
scalarTypeDefinition : description? SCALAR name directives?;
scalarTypeExtensionDefinition : EXTEND SCALAR name directives;
objectTypeDefinition : description? TYPE name implementsInterfaces? directives? fieldsDefinition?;
objectTypeExtensionDefinition :
EXTEND TYPE name implementsInterfaces? directives? extensionFieldsDefinition |
EXTEND TYPE name implementsInterfaces? directives emptyParentheses? |
EXTEND TYPE name implementsInterfaces
;
implementsInterfaces :
IMPLEMENTS '&'? typeName+ |
implementsInterfaces '&' typeName ;
fieldsDefinition : '{' fieldDefinition* '}';
extensionFieldsDefinition : '{' fieldDefinition+ '}';
fieldDefinition : description? name argumentsDefinition? ':' type directives?;
argumentsDefinition : '(' inputValueDefinition+ ')';
inputValueDefinition : description? name ':' type defaultValue? directives?;
interfaceTypeDefinition : description? INTERFACE name implementsInterfaces? directives? fieldsDefinition?;
interfaceTypeExtensionDefinition :
EXTEND INTERFACE name implementsInterfaces? directives? extensionFieldsDefinition |
EXTEND INTERFACE name implementsInterfaces? directives emptyParentheses? |
EXTEND INTERFACE name implementsInterfaces
;
unionTypeDefinition : description? UNION name directives? unionMembership?;
unionTypeExtensionDefinition :
EXTEND UNION name directives? unionMembership |
EXTEND UNION name directives
;
unionMembership : '=' unionMembers;
unionMembers:
'|'? typeName |
unionMembers '|' typeName
;
enumTypeDefinition : description? ENUM name directives? enumValueDefinitions?;
enumTypeExtensionDefinition :
EXTEND ENUM name directives? extensionEnumValueDefinitions |
EXTEND ENUM name directives emptyParentheses?
;
enumValueDefinitions : '{' enumValueDefinition* '}';
extensionEnumValueDefinitions : '{' enumValueDefinition+ '}';
enumValueDefinition : description? enumValue directives?;
inputObjectTypeDefinition : description? INPUT name directives? inputObjectValueDefinitions?;
inputObjectTypeExtensionDefinition :
EXTEND INPUT name directives? extensionInputObjectValueDefinitions |
EXTEND INPUT name directives emptyParentheses?
;
inputObjectValueDefinitions : '{' inputValueDefinition* '}';
extensionInputObjectValueDefinitions : '{' inputValueDefinition+ '}';
directiveDefinition : description? DIRECTIVE '@' name argumentsDefinition? 'on' directiveLocations;
directiveLocation : name;
directiveLocations :
directiveLocation |
directiveLocations '|' directiveLocation
;