fix: support more keywords as enum variants (#1128)

Fixes #1127

Author: obmarg

cynic-parser/src/parser/executable.lalrpop

@@ -405,8 +405,20 @@ EnumValue: StringId = {
     <s:RawIdent> => ast.ident(s),
     schema => ast.ident("schema"),
     query => ast.ident("query"),
+    mutation => ast.ident("mutation"),
+    subscription => ast.ident("subscription"),
     ty => ast.ident("type"),
     input => ast.ident("input"),
+    implements => ast.ident("implements"),
+    interface => ast.ident("interface"),
+    "enum" => ast.ident("enum"),
+    union => ast.ident("union"),
+    scalar => ast.ident("scalar"),
+    extend => ast.ident("extend"),
+    directive => ast.ident("directive"),
+    repeatable => ast.ident("repeatable"),
+    on => ast.ident("on"),
+    fragment => ast.ident("fragment"),
 }
 
 Name: StringId = <s:Ident> => ast.ident(s);

cynic-parser/src/parser/executable.rs

@@ -528,8 +528,20 @@ EnumValue: StringId = {
     <s:RawIdent> => ast.ident(s),
     schema => ast.ident("schema"),
     query => ast.ident("query"),
+    mutation => ast.ident("mutation"),
+    subscription => ast.ident("subscription"),
     ty => ast.ident("type"),
     input => ast.ident("input"),
+    implements => ast.ident("implements"),
+    interface => ast.ident("interface"),
+    "enum" => ast.ident("enum"),
+    union => ast.ident("union"),
+    scalar => ast.ident("scalar"),
+    extend => ast.ident("extend"),
+    directive => ast.ident("directive"),
+    repeatable => ast.ident("repeatable"),
+    on => ast.ident("on"),
+    fragment => ast.ident("fragment"),
 }
 
 Directives: IdRange<DirectiveId> = {

cynic-parser/src/parser/schema.lalrpop

@@ -44,3 +44,5 @@ schema_tests!(simple, "../../schemas/simple.graphql");
 schema_tests!(starwars, "../../schemas/starwars.schema.graphql");
 
 schema_tests!(test_cases, "../../schemas/test_cases.graphql");
+
+schema_tests!(octopus, "../../schemas/octopus.graphql");