// generated by codegen

// from prefix.dbscheme
/**
 * The source location of the snapshot.
 */
sourceLocationPrefix(
  string prefix: string ref
);


// from schema.py

@element =
  @file
| @locatable
| @location
;

@file =
  @db_file
;

#keyset[id]
files(
  int id: @file ref,
  string name: string ref
);

@locatable =
  @ast_node
;

#keyset[id]
locatable_locations(
  int id: @locatable ref,
  int location: @location ref
);

@location =
  @db_location
;

#keyset[id]
locations(
  int id: @location ref,
  int file: @file ref,
  int start_line: int ref,
  int start_column: int ref,
  int end_line: int ref,
  int end_column: int ref
);

@ast_node =
  @declaration
| @expr
| @label
| @match_arm
| @pat
| @record_field_pat
| @record_lit_field
| @stmt
| @type_ref
| @unimplemented
;

db_files(
  unique int id: @db_file
);

db_locations(
  unique int id: @db_location
);

@declaration =
  @function
| @module
;

@expr =
  @array_expr
| @await_expr
| @become_expr
| @binary_op_expr
| @block_expr_base
| @box_expr
| @break_expr
| @call_expr
| @cast_expr
| @closure_expr
| @const_expr
| @continue_expr
| @field_expr
| @if_expr
| @index_expr
| @inline_asm_expr
| @let_expr
| @literal_expr
| @loop_expr
| @match_expr
| @method_call_expr
| @missing_expr
| @offset_of_expr
| @path_expr
| @range_expr
| @record_lit_expr
| @ref_expr
| @return_expr
| @tuple_expr
| @unary_op_expr
| @underscore_expr
| @yeet_expr
| @yield_expr
;

labels(
  unique int id: @label,
  string name: string ref
);

match_arms(
  unique int id: @match_arm,
  int pat: @pat ref,
  int expr: @expr ref
);

#keyset[id]
match_arm_guards(
  int id: @match_arm ref,
  int guard: @expr ref
);

@pat =
  @bind_pat
| @box_pat
| @const_block_pat
| @lit_pat
| @missing_pat
| @or_pat
| @path_pat
| @range_pat
| @record_pat
| @ref_pat
| @slice_pat
| @tuple_pat
| @tuple_struct_pat
| @wild_pat
;

record_field_pats(
  unique int id: @record_field_pat,
  string name: string ref,
  int pat: @pat ref
);

record_lit_fields(
  unique int id: @record_lit_field,
  string name: string ref,
  int expr: @expr ref
);

@stmt =
  @expr_stmt
| @item_stmt
| @let_stmt
;

type_refs(
  unique int id: @type_ref
);

unimplementeds(
  unique int id: @unimplemented
);

@array_expr =
  @element_list_expr
| @repeat_expr
;

await_exprs(
  unique int id: @await_expr,
  int expr: @expr ref
);

become_exprs(
  unique int id: @become_expr,
  int expr: @expr ref
);

binary_op_exprs(
  unique int id: @binary_op_expr,
  int lhs: @expr ref,
  int rhs: @expr ref
);

#keyset[id]
binary_op_expr_ops(
  int id: @binary_op_expr ref,
  string op: string ref
);

bind_pats(
  unique int id: @bind_pat,
  string binding_id: string ref
);

#keyset[id]
bind_pat_subpats(
  int id: @bind_pat ref,
  int subpat: @pat ref
);

@block_expr_base =
  @async_block_expr
| @block_expr
| @unsafe_block_expr
;

#keyset[id, index]
block_expr_base_statements(
  int id: @block_expr_base ref,
  int index: int ref,
  int statement: @stmt ref
);

#keyset[id]
block_expr_base_tails(
  int id: @block_expr_base ref,
  int tail: @expr ref
);

box_exprs(
  unique int id: @box_expr,
  int expr: @expr ref
);

box_pats(
  unique int id: @box_pat,
  int inner: @pat ref
);

break_exprs(
  unique int id: @break_expr
);

#keyset[id]
break_expr_exprs(
  int id: @break_expr ref,
  int expr: @expr ref
);

#keyset[id]
break_expr_labels(
  int id: @break_expr ref,
  int label: @label ref
);

call_exprs(
  unique int id: @call_expr,
  int callee: @expr ref
);

#keyset[id, index]
call_expr_args(
  int id: @call_expr ref,
  int index: int ref,
  int arg: @expr ref
);

#keyset[id]
call_expr_is_assignee_expr(
  int id: @call_expr ref
);

cast_exprs(
  unique int id: @cast_expr,
  int expr: @expr ref,
  int type_ref: @type_ref ref
);

closure_exprs(
  unique int id: @closure_expr,
  int body: @expr ref,
  string closure_kind: string ref
);

#keyset[id, index]
closure_expr_args(
  int id: @closure_expr ref,
  int index: int ref,
  int arg: @pat ref
);

#keyset[id, index]
closure_expr_arg_types(
  int id: @closure_expr ref,
  int index: int ref,
  int arg_type: @type_ref ref
);

#keyset[id]
closure_expr_ret_types(
  int id: @closure_expr ref,
  int ret_type: @type_ref ref
);

#keyset[id]
closure_expr_is_move(
  int id: @closure_expr ref
);

const_block_pats(
  unique int id: @const_block_pat,
  int expr: @expr ref
);

const_exprs(
  unique int id: @const_expr,
  int expr: @expr ref
);

continue_exprs(
  unique int id: @continue_expr
);

#keyset[id]
continue_expr_labels(
  int id: @continue_expr ref,
  int label: @label ref
);

expr_stmts(
  unique int id: @expr_stmt,
  int expr: @expr ref
);

#keyset[id]
expr_stmt_has_semicolon(
  int id: @expr_stmt ref
);

field_exprs(
  unique int id: @field_expr,
  int expr: @expr ref,
  string name: string ref
);

functions(
  unique int id: @function,
  string name: string ref,
  int body: @expr ref
);

if_exprs(
  unique int id: @if_expr,
  int condition: @expr ref,
  int then: @expr ref
);

#keyset[id]
if_expr_elses(
  int id: @if_expr ref,
  int else: @expr ref
);

index_exprs(
  unique int id: @index_expr,
  int base: @expr ref,
  int index: @expr ref
);

#keyset[id]
index_expr_is_assignee_expr(
  int id: @index_expr ref
);

inline_asm_exprs(
  unique int id: @inline_asm_expr,
  int expr: @expr ref
);

item_stmts(
  unique int id: @item_stmt
);

let_exprs(
  unique int id: @let_expr,
  int pat: @pat ref,
  int expr: @expr ref
);

let_stmts(
  unique int id: @let_stmt,
  int pat: @pat ref
);

#keyset[id]
let_stmt_type_refs(
  int id: @let_stmt ref,
  int type_ref: @type_ref ref
);

#keyset[id]
let_stmt_initializers(
  int id: @let_stmt ref,
  int initializer: @expr ref
);

#keyset[id]
let_stmt_elses(
  int id: @let_stmt ref,
  int else: @expr ref
);

lit_pats(
  unique int id: @lit_pat,
  int expr: @expr ref
);

literal_exprs(
  unique int id: @literal_expr
);

loop_exprs(
  unique int id: @loop_expr,
  int body: @expr ref
);

#keyset[id]
loop_expr_labels(
  int id: @loop_expr ref,
  int label: @label ref
);

match_exprs(
  unique int id: @match_expr,
  int expr: @expr ref
);

#keyset[id, index]
match_expr_branches(
  int id: @match_expr ref,
  int index: int ref,
  int branch: @match_arm ref
);

method_call_exprs(
  unique int id: @method_call_expr,
  int receiver: @expr ref,
  string method_name: string ref
);

#keyset[id, index]
method_call_expr_args(
  int id: @method_call_expr ref,
  int index: int ref,
  int arg: @expr ref
);

#keyset[id]
method_call_expr_generic_args(
  int id: @method_call_expr ref,
  int generic_args: @unimplemented ref
);

missing_exprs(
  unique int id: @missing_expr
);

missing_pats(
  unique int id: @missing_pat
);

modules(
  unique int id: @module
);

#keyset[id, index]
module_declarations(
  int id: @module ref,
  int index: int ref,
  int declaration: @declaration ref
);

offset_of_exprs(
  unique int id: @offset_of_expr,
  int container: @type_ref ref
);

#keyset[id, index]
offset_of_expr_fields(
  int id: @offset_of_expr ref,
  int index: int ref,
  string field: string ref
);

or_pats(
  unique int id: @or_pat
);

#keyset[id, index]
or_pat_args(
  int id: @or_pat ref,
  int index: int ref,
  int arg: @pat ref
);

path_exprs(
  unique int id: @path_expr,
  int path: @unimplemented ref
);

path_pats(
  unique int id: @path_pat,
  int path: @unimplemented ref
);

range_exprs(
  unique int id: @range_expr
);

#keyset[id]
range_expr_lhs(
  int id: @range_expr ref,
  int lhs: @expr ref
);

#keyset[id]
range_expr_rhs(
  int id: @range_expr ref,
  int rhs: @expr ref
);

#keyset[id]
range_expr_is_inclusive(
  int id: @range_expr ref
);

range_pats(
  unique int id: @range_pat
);

#keyset[id]
range_pat_starts(
  int id: @range_pat ref,
  int start: @pat ref
);

#keyset[id]
range_pat_ends(
  int id: @range_pat ref,
  int end: @pat ref
);

record_lit_exprs(
  unique int id: @record_lit_expr
);

#keyset[id]
record_lit_expr_paths(
  int id: @record_lit_expr ref,
  int path: @unimplemented ref
);

#keyset[id, index]
record_lit_expr_fields(
  int id: @record_lit_expr ref,
  int index: int ref,
  int field: @record_lit_field ref
);

#keyset[id]
record_lit_expr_spreads(
  int id: @record_lit_expr ref,
  int spread: @expr ref
);

#keyset[id]
record_lit_expr_has_ellipsis(
  int id: @record_lit_expr ref
);

#keyset[id]
record_lit_expr_is_assignee_expr(
  int id: @record_lit_expr ref
);

record_pats(
  unique int id: @record_pat
);

#keyset[id]
record_pat_paths(
  int id: @record_pat ref,
  int path: @unimplemented ref
);

#keyset[id, index]
record_pat_args(
  int id: @record_pat ref,
  int index: int ref,
  int arg: @record_field_pat ref
);

#keyset[id]
record_pat_has_ellipsis(
  int id: @record_pat ref
);

ref_exprs(
  unique int id: @ref_expr,
  int expr: @expr ref
);

#keyset[id]
ref_expr_is_raw(
  int id: @ref_expr ref
);

#keyset[id]
ref_expr_is_mut(
  int id: @ref_expr ref
);

ref_pats(
  unique int id: @ref_pat,
  int pat: @pat ref
);

#keyset[id]
ref_pat_is_mut(
  int id: @ref_pat ref
);

return_exprs(
  unique int id: @return_expr
);

#keyset[id]
return_expr_exprs(
  int id: @return_expr ref,
  int expr: @expr ref
);

slice_pats(
  unique int id: @slice_pat
);

#keyset[id, index]
slice_pat_prefixes(
  int id: @slice_pat ref,
  int index: int ref,
  int prefix: @pat ref
);

#keyset[id]
slice_pat_slice(
  int id: @slice_pat ref,
  int slice: @pat ref
);

#keyset[id, index]
slice_pat_suffixes(
  int id: @slice_pat ref,
  int index: int ref,
  int suffix: @pat ref
);

tuple_exprs(
  unique int id: @tuple_expr
);

#keyset[id, index]
tuple_expr_exprs(
  int id: @tuple_expr ref,
  int index: int ref,
  int expr: @expr ref
);

#keyset[id]
tuple_expr_is_assignee_expr(
  int id: @tuple_expr ref
);

tuple_pats(
  unique int id: @tuple_pat
);

#keyset[id, index]
tuple_pat_args(
  int id: @tuple_pat ref,
  int index: int ref,
  int arg: @pat ref
);

#keyset[id]
tuple_pat_ellipsis_indices(
  int id: @tuple_pat ref,
  int ellipsis_index: int ref
);

tuple_struct_pats(
  unique int id: @tuple_struct_pat
);

#keyset[id]
tuple_struct_pat_paths(
  int id: @tuple_struct_pat ref,
  int path: @unimplemented ref
);

#keyset[id, index]
tuple_struct_pat_args(
  int id: @tuple_struct_pat ref,
  int index: int ref,
  int arg: @pat ref
);

#keyset[id]
tuple_struct_pat_ellipsis_indices(
  int id: @tuple_struct_pat ref,
  int ellipsis_index: int ref
);

unary_op_exprs(
  unique int id: @unary_op_expr,
  int expr: @expr ref,
  string op: string ref
);

underscore_exprs(
  unique int id: @underscore_expr
);

wild_pats(
  unique int id: @wild_pat
);

yeet_exprs(
  unique int id: @yeet_expr
);

#keyset[id]
yeet_expr_exprs(
  int id: @yeet_expr ref,
  int expr: @expr ref
);

yield_exprs(
  unique int id: @yield_expr
);

#keyset[id]
yield_expr_exprs(
  int id: @yield_expr ref,
  int expr: @expr ref
);

async_block_exprs(
  unique int id: @async_block_expr
);

block_exprs(
  unique int id: @block_expr
);

#keyset[id]
block_expr_labels(
  int id: @block_expr ref,
  int label: @label ref
);

element_list_exprs(
  unique int id: @element_list_expr
);

#keyset[id, index]
element_list_expr_elements(
  int id: @element_list_expr ref,
  int index: int ref,
  int element: @expr ref
);

#keyset[id]
element_list_expr_is_assignee_expr(
  int id: @element_list_expr ref
);

repeat_exprs(
  unique int id: @repeat_expr,
  int initializer: @expr ref,
  int repeat: @expr ref
);

unsafe_block_exprs(
  unique int id: @unsafe_block_expr
);