switch to go vendoring

vendor/github.com/open-policy-agent/opa/internal/gqlparser/ast/document.go

@@ -0,0 +1,79 @@
+package ast
+
+type QueryDocument struct {
+	Operations OperationList
+	Fragments  FragmentDefinitionList
+	Position   *Position `dump:"-"`
+}
+
+type SchemaDocument struct {
+	Schema          SchemaDefinitionList
+	SchemaExtension SchemaDefinitionList
+	Directives      DirectiveDefinitionList
+	Definitions     DefinitionList
+	Extensions      DefinitionList
+	Position        *Position `dump:"-"`
+}
+
+func (d *SchemaDocument) Merge(other *SchemaDocument) {
+	d.Schema = append(d.Schema, other.Schema...)
+	d.SchemaExtension = append(d.SchemaExtension, other.SchemaExtension...)
+	d.Directives = append(d.Directives, other.Directives...)
+	d.Definitions = append(d.Definitions, other.Definitions...)
+	d.Extensions = append(d.Extensions, other.Extensions...)
+}
+
+type Schema struct {
+	Query        *Definition
+	Mutation     *Definition
+	Subscription *Definition
+
+	Types      map[string]*Definition
+	Directives map[string]*DirectiveDefinition
+
+	PossibleTypes map[string][]*Definition
+	Implements    map[string][]*Definition
+
+	Description string
+}
+
+// AddTypes is the helper to add types definition to the schema
+func (s *Schema) AddTypes(defs ...*Definition) {
+	if s.Types == nil {
+		s.Types = make(map[string]*Definition)
+	}
+	for _, def := range defs {
+		s.Types[def.Name] = def
+	}
+}
+
+func (s *Schema) AddPossibleType(name string, def *Definition) {
+	s.PossibleTypes[name] = append(s.PossibleTypes[name], def)
+}
+
+// GetPossibleTypes will enumerate all the definitions for a given interface or union
+func (s *Schema) GetPossibleTypes(def *Definition) []*Definition {
+	return s.PossibleTypes[def.Name]
+}
+
+func (s *Schema) AddImplements(name string, iface *Definition) {
+	s.Implements[name] = append(s.Implements[name], iface)
+}
+
+// GetImplements returns all the interface and union definitions that the given definition satisfies
+func (s *Schema) GetImplements(def *Definition) []*Definition {
+	return s.Implements[def.Name]
+}
+
+type SchemaDefinition struct {
+	Description    string
+	Directives     DirectiveList
+	OperationTypes OperationTypeDefinitionList
+	Position       *Position `dump:"-"`
+}
+
+type OperationTypeDefinition struct {
+	Operation Operation
+	Type      string
+	Position  *Position `dump:"-"`
+}