// run runs the state machine for the Scanner.
func (p *Parser) run() {
ast, err := parse(p.query)
if err != nil {
fmt.Printf("BUG: unexpected parse error: %s", err)
return
}
visitor_callbacks := C.struct_GraphQLAstVisitorCallbacks{
visit_document: (C.visit_document_func)(C.process_visit_document_cgo),
end_visit_document: (C.end_visit_document_func)(C.process_end_visit_document_cgo),
visit_operation_definition: (C.visit_operation_definition_func)(C.process_visit_operation_definition_cgo),
end_visit_operation_definition: (C.end_visit_operation_definition_func)(C.process_end_visit_operation_definition_cgo),
visit_variable_definition: (C.visit_variable_definition_func)(C.process_visit_variable_definition_cgo),
end_visit_variable_definition: (C.end_visit_variable_definition_func)(C.process_end_visit_variable_definition_cgo),
visit_selection_set: (C.visit_selection_set_func)(C.process_visit_selection_set_cgo),
end_visit_selection_set: (C.end_visit_selection_set_func)(C.process_end_visit_selection_set_cgo),
visit_field: (C.visit_field_func)(C.process_visit_field_cgo),
end_visit_field: (C.end_visit_field_func)(C.process_end_visit_field_cgo),
visit_argument: (C.visit_argument_func)(C.process_visit_argument_cgo),
end_visit_argument: (C.end_visit_argument_func)(C.process_end_visit_argument_cgo),
visit_fragment_spread: (C.visit_fragment_spread_func)(C.process_visit_fragment_spread_cgo),
end_visit_fragment_spread: (C.end_visit_fragment_spread_func)(C.process_end_visit_fragment_spread_cgo),
visit_inline_fragment: (C.visit_inline_fragment_func)(C.process_visit_inline_fragment_cgo),
end_visit_inline_fragment: (C.end_visit_inline_fragment_func)(C.process_end_visit_inline_fragment_cgo),
visit_fragment_definition: (C.visit_fragment_definition_func)(C.process_visit_fragment_definition_cgo),
end_visit_fragment_definition: (C.end_visit_fragment_definition_func)(C.process_end_visit_fragment_definition_cgo),
visit_variable: (C.visit_variable_func)(C.process_visit_variable_cgo),
end_visit_variable: (C.end_visit_variable_func)(C.process_end_visit_variable_cgo),
visit_int_value: (C.visit_int_value_func)(C.process_visit_int_value_cgo),
end_visit_int_value: (C.end_visit_int_value_func)(C.process_end_visit_int_value_cgo),
visit_float_value: (C.visit_float_value_func)(C.process_visit_float_value_cgo),
end_visit_float_value: (C.end_visit_float_value_func)(C.process_end_visit_float_value_cgo),
visit_string_value: (C.visit_string_value_func)(C.process_visit_string_value_cgo),
end_visit_string_value: (C.end_visit_string_value_func)(C.process_end_visit_string_value_cgo),
visit_boolean_value: (C.visit_boolean_value_func)(C.process_visit_boolean_value_cgo),
end_visit_boolean_value: (C.end_visit_boolean_value_func)(C.process_end_visit_boolean_value_cgo),
visit_enum_value: (C.visit_enum_value_func)(C.process_visit_enum_value_cgo),
end_visit_enum_value: (C.end_visit_enum_value_func)(C.process_end_visit_enum_value_cgo),
visit_array_value: (C.visit_array_value_func)(C.process_visit_array_value_cgo),
end_visit_array_value: (C.end_visit_array_value_func)(C.process_end_visit_array_value_cgo),
visit_object_value: (C.visit_object_value_func)(C.process_visit_object_value_cgo),
end_visit_object_value: (C.end_visit_object_value_func)(C.process_end_visit_object_value_cgo),
visit_object_field: (C.visit_object_field_func)(C.process_visit_object_field_cgo),
end_visit_object_field: (C.end_visit_object_field_func)(C.process_end_visit_object_field_cgo),
visit_directive: (C.visit_directive_func)(C.process_visit_directive_cgo),
end_visit_directive: (C.end_visit_directive_func)(C.process_end_visit_directive_cgo),
visit_named_type: (C.visit_named_type_func)(C.process_visit_named_type_cgo),
end_visit_named_type: (C.end_visit_named_type_func)(C.process_end_visit_named_type_cgo),
visit_list_type: (C.visit_list_type_func)(C.process_visit_list_type_cgo),
end_visit_list_type: (C.end_visit_list_type_func)(C.process_end_visit_list_type_cgo),
visit_non_null_type: (C.visit_non_null_type_func)(C.process_visit_non_null_type_cgo),
end_visit_non_null_type: (C.end_visit_non_null_type_func)(C.process_end_visit_non_null_type_cgo),
visit_name: (C.visit_name_func)(C.process_visit_name_cgo),
end_visit_name: (C.end_visit_name_func)(C.process_end_visit_name_cgo),
}
C.graphql_node_visit(ast, &visitor_callbacks, unsafe.Pointer(p))
C.graphql_node_free(ast)
}
func main() {
ast, err := parse("query myquery { myfield }")
if err != nil {
fmt.Printf("BUG: unexpected parse error: %s", err)
return
}
visitor_callbacks := C.struct_GraphQLAstVisitorCallbacks{visit_field: (C.visit_field_func)(C.printField_cgo)}
C.graphql_node_visit(ast, &visitor_callbacks, nil)
C.graphql_node_free(ast)
ast2, err2 := parse("query errorQuery on oops { myfield }")
if err2 != nil {
fmt.Printf("Example error: %s\n", err2)
}
if ast2 != nil {
fmt.Printf("BUG: we should have got a null AST back, but we got %s\n", ast2)
}
}