This repository has been archived by the owner on Jul 25, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 45
/
Copy pathgraphql_parser.yrl
221 lines (172 loc) · 13.1 KB
/
graphql_parser.yrl
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
Nonterminals
Document
Definitions Definition OperationDefinition FragmentDefinition TypeDefinition
ObjectTypeDefinition InterfaceTypeDefinition UnionTypeDefinition
ScalarTypeDefinition EnumTypeDefinition InputObjectTypeDefinition TypeExtensionDefinition
FieldDefinitionList FieldDefinition ImplementsInterfaces ArgumentsDefinition
InputValueDefinitionList InputValueDefinition UnionMembers
EnumValueDefinitionList EnumValueDefinition
SelectionSet Selections Selection
OperationType Name NameWithoutOn VariableDefinitions VariableDefinition Directives Directive
Field Alias Arguments ArgumentList Argument
FragmentSpread FragmentName InlineFragment
VariableDefinitionList Variable DefaultValue
Type TypeCondition NamedTypeList NamedType ListType NonNullType
Value EnumValue ListValue Values ObjectValue ObjectFields ObjectField.
Terminals
'{' '}' '(' ')' '[' ']' '!' ':' '@' '$' '=' '|' '...'
'query' 'mutation' 'fragment' 'on' 'null'
'type' 'implements' 'interface' 'union' 'scalar' 'enum' 'input' 'extend'
name int_value float_value string_value boolean_value.
Rootsymbol Document.
Document -> Definitions : build_ast_node('Document', #{'definitions' => '$1'}).
Definitions -> Definition : ['$1'].
Definitions -> Definition Definitions : ['$1'|'$2'].
Definition -> OperationDefinition : '$1'.
Definition -> FragmentDefinition : '$1'.
Definition -> TypeDefinition : '$1'.
OperationType -> 'query' : extract_atom('$1').
OperationType -> 'mutation' : extract_atom('$1').
OperationDefinition -> SelectionSet : build_ast_node('OperationDefinition', #{'operation' => 'query', 'selectionSet' => '$1'}).
OperationDefinition -> OperationType Name SelectionSet : build_ast_node('OperationDefinition', #{'operation' => '$1', 'name' => extract_name('$2'), 'selectionSet' => '$3'}).
OperationDefinition -> OperationType Name VariableDefinitions SelectionSet : build_ast_node('OperationDefinition', #{'operation' => '$1', 'name' => extract_name('$2'), 'variableDefinitions' => '$3', 'selectionSet' => '$4'}).
OperationDefinition -> OperationType Name Directives SelectionSet : build_ast_node('OperationDefinition', #{'operation' => '$1', 'name' => extract_name('$2'), 'directives' => '$3', 'selectionSet' => '$4'}).
OperationDefinition -> OperationType Name VariableDefinitions Directives SelectionSet : build_ast_node('OperationDefinition', #{'operation' => '$1', 'name' => extract_name('$2'), 'variableDefinitions' => '$3', 'directives' => '$4', 'selectionSet' => '$5'}).
FragmentDefinition -> 'fragment' FragmentName 'on' TypeCondition SelectionSet : build_ast_node('FragmentDefinition', #{'name' => extract_name('$2'), 'typeCondition' => '$4', 'selectionSet' => '$5'}).
FragmentDefinition -> 'fragment' FragmentName 'on' TypeCondition Directives SelectionSet : build_ast_node('FragmentDefinition', #{'name' => extract_name('$2'), 'typeCondition' => '$4', 'directives' => '$5', 'selectionSet' => '$6'}).
TypeCondition -> NamedType : '$1'.
VariableDefinitions -> '(' VariableDefinitionList ')' : '$2'.
VariableDefinitionList -> VariableDefinition : ['$1'].
VariableDefinitionList -> VariableDefinition VariableDefinitionList : ['$1'|'$2'].
VariableDefinition -> Variable ':' Type : build_ast_node('VariableDefinition', #{'variable' => '$1', 'type' => '$3'}).
VariableDefinition -> Variable ':' Type DefaultValue : build_ast_node('VariableDefinition', #{'variable' => '$1', 'type' => '$3', 'defaultValue' => '$4'}).
Variable -> '$' Name : build_ast_node('Variable', #{'name' => extract_name('$2')}).
DefaultValue -> '=' Value : '$2'.
Type -> NamedType : '$1'.
Type -> ListType : '$1'.
Type -> NonNullType : '$1'.
NamedType -> Name : build_ast_node('NamedType', #{'name' => extract_name('$1')}).
ListType -> '[' Type ']' : build_ast_node('ListType', #{'type' => '$2'}).
NonNullType -> NamedType '!' : build_ast_node('NonNullType', #{'type' => '$1'}).
NonNullType -> ListType '!' : build_ast_node('NonNullType', #{'type' => '$1'}).
SelectionSet -> '{' Selections '}' : build_ast_node('SelectionSet', #{'selections' => '$2'}).
Selections -> Selection : ['$1'].
Selections -> Selection Selections : ['$1'|'$2'].
Selection -> Field : '$1'.
Selection -> FragmentSpread : '$1'.
Selection -> InlineFragment : '$1'.
FragmentSpread -> '...' FragmentName : build_ast_node('FragmentSpread', #{'name' => extract_name('$2')}).
FragmentSpread -> '...' FragmentName Directives : build_ast_node('FragmentSpread', #{'name' => extract_name('$2'), 'directives' => '$3'}).
InlineFragment -> '...' SelectionSet : build_ast_node('InlineFragment', #{'selectionSet' => '$2'}).
InlineFragment -> '...' Directives SelectionSet : build_ast_node('InlineFragment', #{'directives' => '$2', 'selectionSet' => '$3'}).
InlineFragment -> '...' 'on' TypeCondition SelectionSet : build_ast_node('InlineFragment', #{'typeCondition' => '$3', 'selectionSet' => '$4'}).
InlineFragment -> '...' 'on' TypeCondition Directives SelectionSet : build_ast_node('InlineFragment', #{'typeCondition' => '$3', 'directives' => '$4', 'selectionSet' => '$5'}).
FragmentName -> NameWithoutOn : '$1'.
Field -> Name : build_ast_node('Field', #{'name' => extract_name('$1')}).
Field -> Name Arguments : build_ast_node('Field', #{'name' => extract_name('$1'), 'arguments' => '$2'}).
Field -> Name Directives : build_ast_node('Field', #{'name' => extract_name('$1'), 'directives' => '$2'}).
Field -> Name SelectionSet : build_ast_node('Field', #{'name' => extract_name('$1'), 'selectionSet' => '$2'}).
Field -> Name Directives SelectionSet : build_ast_node('Field', #{'name' => extract_name('$1'), 'directives' => '$2', 'selectionSet' => '$3'}).
Field -> Name Arguments SelectionSet : build_ast_node('Field', #{'name' => extract_name('$1'), 'arguments' => '$2', 'selectionSet' => '$3'}).
Field -> Name Arguments Directives : build_ast_node('Field', #{'name' => extract_name('$1'), 'arguments' => '$2', 'directives' => '$3'}).
Field -> Name Arguments Directives SelectionSet : build_ast_node('Field', #{'name' => extract_name('$1'), 'arguments' => '$2', 'directives' => '$3', 'selectionSet' => '$4'}).
Field -> Alias Name : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2')}).
Field -> Alias Name Arguments : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'arguments' => '$3'}).
Field -> Alias Name SelectionSet : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'selectionSet' => '$3'}).
Field -> Alias Name Arguments SelectionSet : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'arguments' => '$3', 'selectionSet' => '$4'}).
Field -> Alias Name Directives : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'directives' => '$3'}).
Field -> Alias Name Arguments Directives : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'arguments' => '$3', 'directives' => '$4'}).
Field -> Alias Name Directives SelectionSet : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'directives' => '$3', 'selectionSet' => '$4'}).
Field -> Alias Name Arguments Directives SelectionSet : build_ast_node('Field', #{'alias' => extract_name('$1'), 'name' => extract_name('$2'), 'arguments' => '$3', 'directives' => '$4', 'selectionSet' => '$5'}).
Alias -> Name ':' : '$1'.
Arguments -> '(' ArgumentList ')' : '$2'.
ArgumentList -> Argument : ['$1'].
ArgumentList -> Argument ArgumentList : ['$1'|'$2'].
Argument -> Name ':' Value : build_ast_node('Argument', #{name => extract_name('$1'), value => '$3'}).
Directives -> Directive : ['$1'].
Directives -> Directive Directives : ['$1'|'$2'].
Directive -> '@' Name : build_ast_node('Directive', #{name => extract_name('$2')}).
Directive -> '@' Name Arguments : build_ast_node('Directive', #{name => extract_name('$2'), 'arguments' => '$3'}).
NameWithoutOn -> name : extract_token('$1').
NameWithoutOn -> 'query' : extract_keyword('$1').
NameWithoutOn -> 'mutation' : extract_keyword('$1').
NameWithoutOn -> 'fragment' : extract_keyword('$1').
NameWithoutOn -> 'type' : extract_keyword('$1').
NameWithoutOn -> 'implements' : extract_keyword('$1').
NameWithoutOn -> 'interface' : extract_keyword('$1').
NameWithoutOn -> 'union' : extract_keyword('$1').
NameWithoutOn -> 'scalar' : extract_keyword('$1').
NameWithoutOn -> 'enum' : extract_keyword('$1').
NameWithoutOn -> 'input' : extract_keyword('$1').
NameWithoutOn -> 'extend' : extract_keyword('$1').
NameWithoutOn -> 'null' : extract_keyword('$1').
Name -> NameWithoutOn : '$1'.
Name -> 'on' : extract_keyword('$1').
Value -> Variable : '$1'.
Value -> int_value : build_ast_node('IntValue', #{'value' => extract_integer('$1')}).
Value -> float_value : build_ast_node('FloatValue', #{'value' => extract_float('$1')}).
Value -> string_value : build_ast_node('StringValue', #{'value' => extract_quoted_string_token('$1')}).
Value -> boolean_value : build_ast_node('BooleanValue', #{'value' => extract_boolean('$1')}).
Value -> EnumValue : build_ast_node('EnumValue', #{'value' => '$1'}).
Value -> ListValue : build_ast_node('ListValue', #{'values' => '$1'}).
Value -> ObjectValue : build_ast_node('ObjectValue', #{'fields' => '$1'}).
EnumValue -> Name : '$1'.
ListValue -> '[' ']' : [].
ListValue -> '[' Values ']' : '$2'.
Values -> Value : ['$1'].
Values -> Value Values : ['$1'|'$2'].
ObjectValue -> '{' '}' : [].
ObjectValue -> '{' ObjectFields '}' : '$2'.
ObjectFields -> ObjectField : ['$1'].
ObjectFields -> ObjectField ObjectFields : ['$1'|'$2'].
ObjectField -> Name ':' Value : build_ast_node('ObjectField', #{'name' => extract_name('$1'), 'value' => '$3'}).
TypeDefinition -> ObjectTypeDefinition : '$1'.
TypeDefinition -> InterfaceTypeDefinition : '$1'.
TypeDefinition -> UnionTypeDefinition : '$1'.
TypeDefinition -> ScalarTypeDefinition : '$1'.
TypeDefinition -> EnumTypeDefinition : '$1'.
TypeDefinition -> InputObjectTypeDefinition : '$1'.
TypeDefinition -> TypeExtensionDefinition : '$1'.
ObjectTypeDefinition -> 'type' Name '{' FieldDefinitionList '}' :
build_ast_node('ObjectTypeDefinition', #{'name' => extract_name('$2'), 'fields' => '$4'}).
ObjectTypeDefinition -> 'type' Name ImplementsInterfaces '{' FieldDefinitionList '}' :
build_ast_node('ObjectTypeDefinition', #{'name' => extract_name('$2'), 'interfaces' => '$3', 'fields' => '$5'}).
ImplementsInterfaces -> 'implements' NamedTypeList : '$2'.
NamedTypeList -> NamedType : ['$1'].
NamedTypeList -> NamedType NamedTypeList : ['$1'|'$2'].
FieldDefinitionList -> FieldDefinition : ['$1'].
FieldDefinitionList -> FieldDefinition FieldDefinitionList : ['$1'|'$2'].
FieldDefinition -> Name ':' Type : build_ast_node('FieldDefinition', #{'name' => extract_name('$1'), 'type' => '$3'}).
FieldDefinition -> Name ArgumentsDefinition ':' Type : build_ast_node('FieldDefinition', #{'name' => extract_name('$1'), 'arguments' => '$2', 'type' => '$4'}).
ArgumentsDefinition -> '(' InputValueDefinitionList ')' : '$2'.
InputValueDefinitionList -> InputValueDefinition : ['$1'].
InputValueDefinitionList -> InputValueDefinition InputValueDefinitionList : ['$1'|'$2'].
InputValueDefinition -> Name ':' Type : build_ast_node('InputValueDefinition', #{'name' => extract_name('$1'), 'type' => '$3'}).
InputValueDefinition -> Name ':' Type DefaultValue : build_ast_node('InputValueDefinition', #{'name' => extract_name('$1'), 'type' => '$3', 'defaultValue' => '$4'}).
InterfaceTypeDefinition -> 'interface' Name '{' FieldDefinitionList '}' :
build_ast_node('InterfaceTypeDefinition', #{'name' => extract_name('$2'), 'fields' => '$4'}).
UnionTypeDefinition -> 'union' Name '=' UnionMembers :
build_ast_node('UnionTypeDefinition', #{'name' => extract_name('$2'), 'types' => '$4'}).
UnionMembers -> NamedType : ['$1'].
UnionMembers -> NamedType '|' UnionMembers : ['$1'|'$3'].
ScalarTypeDefinition -> 'scalar' Name : build_ast_node('ScalarTypeDefinition', #{'name' => extract_name('$2')}).
EnumTypeDefinition -> 'enum' Name '{' EnumValueDefinitionList '}':
build_ast_node('EnumTypeDefinition', #{'name' => extract_name('$2'), 'values' => '$4'}).
EnumValueDefinitionList -> EnumValueDefinition : ['$1'].
EnumValueDefinitionList -> EnumValueDefinition EnumValueDefinitionList : ['$1'|'$2'].
EnumValueDefinition -> EnumValue : '$1'.
InputObjectTypeDefinition -> 'input' Name '{' InputValueDefinitionList '}' :
build_ast_node('InputObjectTypeDefinition', #{'name' => extract_name('$2'), 'fields' => '$4'}).
TypeExtensionDefinition -> 'extend' ObjectTypeDefinition :
build_ast_node('TypeExtensionDefinition', #{'definition' => '$2'}).
Erlang code.
extract_atom({Value, _Line}) -> Value.
extract_token({_Token, _Line, Value}) -> list_to_binary(Value).
extract_quoted_string_token({_Token, _Line, Value}) -> unicode:characters_to_binary(lists:sublist(Value, 2, length(Value) - 2)).
extract_integer({_Token, _Line, Value}) -> {Int, []} = string:to_integer(Value), Int.
extract_float({_Token, _Line, Value}) -> {Float, []} = string:to_float(Value), Float.
extract_boolean({_Token, _Line, "true"}) -> true;
extract_boolean({_Token, _Line, "false"}) -> false.
extract_keyword({Value, _Line}) -> list_to_binary(atom_to_list(Value)).
extract_name(Value) -> build_ast_node('Name', #{'value' => Value}).
build_ast_node(Type, Node) -> Node#{kind => Type, loc => #{start => 0}}.