diff options
Diffstat (limited to 'compiler/ExtractBuiltin.ml')
| -rw-r--r-- | compiler/ExtractBuiltin.ml | 284 |
1 files changed, 122 insertions, 162 deletions
diff --git a/compiler/ExtractBuiltin.ml b/compiler/ExtractBuiltin.ml index a7ab6da0..ff936d2f 100644 --- a/compiler/ExtractBuiltin.ml +++ b/compiler/ExtractBuiltin.ml @@ -233,7 +233,12 @@ let mk_builtin_types_map () = let builtin_types_map = mk_memoized mk_builtin_types_map -type builtin_fun_info = { extract_name : string } [@@deriving show] +type builtin_fun_info = { + extract_name : string; + can_fail : bool; + stateful : bool; +} +[@@deriving show] let int_and_smaller_list : (string * string) list = let uint_names = List.rev [ "u8"; "u16"; "u32"; "u64"; "u128" ] in @@ -257,16 +262,17 @@ let int_and_smaller_list : (string * string) list = ] @ compute_pairs uint_names @ compute_pairs int_names -(** The assumed functions. +(** The builtin functions. The optional list of booleans is filtering information for the type parameters. For instance, in the case of the `Vec` functions, there is a type parameter for the allocator to use, which we want to filter. *) -let builtin_funs () : (pattern * bool list option * builtin_fun_info) list = +let mk_builtin_funs () : (pattern * bool list option * builtin_fun_info) list = (* Small utility *) - let mk_fun (rust_name : string) (extract_name : string option) - (filter : bool list option) : + let mk_fun (rust_name : string) ?(filter : bool list option = None) + ?(can_fail = true) ?(stateful = false) + ?(extract_name : string option = None) () : pattern * bool list option * builtin_fun_info = let rust_name = try parse_pattern rust_name @@ -279,124 +285,151 @@ let builtin_funs () : (pattern * bool list option * builtin_fun_info) list = | Some name -> split_on_separator name in let basename = flatten_name extract_name in - let f = { extract_name = basename } in + let f = { extract_name = basename; can_fail; stateful } in (rust_name, filter, f) in let mk_scalar_fun (rust_name : string -> string) - (extract_name : string -> string) : + (extract_name : string -> string) ?(can_fail = true) () : (pattern * bool list option * builtin_fun_info) list = List.map - (fun ty -> mk_fun (rust_name ty) (Some (extract_name ty)) None) + (fun ty -> + mk_fun (rust_name ty) + ~extract_name:(Some (extract_name ty)) + ~can_fail ()) all_int_names in [ - mk_fun "core::mem::replace" None None; + mk_fun "core::mem::replace" ~can_fail:false (); + mk_fun "core::mem::take" ~can_fail:false (); mk_fun "core::slice::{[@T]}::len" - (Some (backend_choice "slice::len" "Slice::len")) - None; + ~extract_name:(Some (backend_choice "slice::len" "Slice::len")) + ~can_fail:false (); mk_fun "alloc::vec::{alloc::vec::Vec<@T, alloc::alloc::Global>}::new" - (Some "alloc::vec::Vec::new") None; - mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::push" None - (Some [ true; false ]); - mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::insert" None - (Some [ true; false ]); - mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::len" None - (Some [ true; false ]); + ~extract_name:(Some "alloc::vec::Vec::new") ~can_fail:false (); + mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::push" + ~filter:(Some [ true; false ]) + (); + mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::insert" + ~filter:(Some [ true; false ]) + (); + mk_fun "alloc::vec::{alloc::vec::Vec<@T, @A>}::len" + ~filter:(Some [ true; false ]) + ~can_fail:false (); mk_fun "alloc::vec::{core::ops::index::Index<alloc::vec::Vec<@T, @A>, \ @I>}::index" - (Some "alloc.vec.Vec.index") - (Some [ true; true; false ]); + ~extract_name:(Some "alloc.vec.Vec.index") + ~filter:(Some [ true; true; false ]) + (); mk_fun "alloc::vec::{core::ops::index::IndexMut<alloc::vec::Vec<@T, @A>, \ @I>}::index_mut" - (Some "alloc.vec.Vec.index_mut") - (Some [ true; true; false ]); + ~extract_name:(Some "alloc.vec.Vec.index_mut") + ~filter:(Some [ true; true; false ]) + (); mk_fun "alloc::boxed::{core::ops::deref::Deref<Box<@T>>}::deref" - (Some "alloc.boxed.Box.deref") - (Some [ true; false ]); + ~extract_name:(Some "alloc.boxed.Box.deref") + ~filter:(Some [ true; false ]) + (); mk_fun "alloc::boxed::{core::ops::deref::DerefMut<Box<@T>>}::deref_mut" - (Some "alloc.boxed.Box.deref_mut") - (Some [ true; false ]); + ~extract_name:(Some "alloc.boxed.Box.deref_mut") + ~filter:(Some [ true; false ]) + (); mk_fun "core::slice::index::{core::ops::index::Index<[@T], @I>}::index" - (Some "core.slice.index.Slice.index") None; + ~extract_name:(Some "core.slice.index.Slice.index") (); mk_fun "core::slice::index::{core::ops::index::IndexMut<[@T], @I>}::index_mut" - (Some "core.slice.index.Slice.index_mut") None; + ~extract_name:(Some "core.slice.index.Slice.index_mut") (); mk_fun "core::array::{core::ops::index::Index<[@T; @N], @I>}::index" - (Some "core.array.Array.index") None; + ~extract_name:(Some "core.array.Array.index") (); mk_fun "core::array::{core::ops::index::IndexMut<[@T; @N], @I>}::index_mut" - (Some "core.array.Array.index_mut") None; + ~extract_name:(Some "core.array.Array.index_mut") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::get" - (Some "core::slice::index::RangeUsize::get") None; + ~extract_name:(Some "core::slice::index::RangeUsize::get") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::get_mut" - (Some "core::slice::index::RangeUsize::get_mut") None; + ~extract_name:(Some "core::slice::index::RangeUsize::get_mut") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::index" - (Some "core::slice::index::RangeUsize::index") None; + ~extract_name:(Some "core::slice::index::RangeUsize::index") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::index_mut" - (Some "core::slice::index::RangeUsize::index_mut") None; + ~extract_name:(Some "core::slice::index::RangeUsize::index_mut") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::get_unchecked" - (Some "core::slice::index::RangeUsize::get_unchecked") None; + ~extract_name:(Some "core::slice::index::RangeUsize::get_unchecked") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<core::ops::range::Range<usize>, \ [@T]>}::get_unchecked_mut" - (Some "core::slice::index::RangeUsize::get_unchecked_mut") None; + ~extract_name:(Some "core::slice::index::RangeUsize::get_unchecked_mut") + (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, [@T]>}::get" - None None; + (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, \ [@T]>}::get_mut" - None None; + (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, \ [@T]>}::get_unchecked" - None None; + (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, \ [@T]>}::get_unchecked_mut" - None None; + (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, [@T]>}::index" - (Some "core_slice_index_Slice_index") None; + ~extract_name:(Some "core_slice_index_Slice_index") (); mk_fun "core::slice::index::{core::slice::index::SliceIndex<usize, \ [@T]>}::index_mut" - (Some "core_slice_index_Slice_index_mut") None; - mk_fun "alloc::slice::{[@T]}::to_vec" (Some "alloc.slice.Slice.to_vec") None; + ~extract_name:(Some "core_slice_index_Slice_index_mut") (); + mk_fun "alloc::slice::{[@T]}::to_vec" + ~extract_name:(Some "alloc.slice.Slice.to_vec") (); mk_fun "alloc::vec::{alloc::vec::Vec<@T, alloc::alloc::Global>}::with_capacity" - (Some "alloc.vec.Vec.with_capacity") None; - mk_fun "core::slice::{[@T]}::reverse" (Some "core.slice.Slice.reverse") None; + ~extract_name:(Some "alloc.vec.Vec.with_capacity") ~can_fail:false (); + mk_fun "core::slice::{[@T]}::reverse" + ~extract_name:(Some "core.slice.Slice.reverse") ~can_fail:false (); mk_fun "alloc::vec::{core::ops::deref::Deref<alloc::vec::Vec<@T, @A>>}::deref" - (Some "alloc.vec.DerefVec.deref") - (Some [ true; false ]); + ~extract_name:(Some "alloc.vec.DerefVec.deref") + ~filter:(Some [ true; false ]) + ~can_fail:false (); mk_fun "alloc::vec::{core::ops::deref::DerefMut<alloc::vec::Vec<@T, \ @A>>}::deref_mut" - (Some "alloc.vec.DerefMutVec.deref_mut") - (Some [ true; false ]); + ~extract_name:(Some "alloc.vec.DerefMutVec.deref_mut") + ~filter:(Some [ true; false ]) + (); mk_fun "core::option::{core::option::Option<@T>}::unwrap" - (Some "core.option.Option.unwrap") None; + ~extract_name:(Some "core.option.Option.unwrap") (); ] @ List.flatten (List.map + (fun int_name -> + List.map + (fun op -> + mk_fun + ("core::num::" ^ "{" ^ int_name ^ "}::" ^ op) + ~can_fail:false ()) + [ "wrapping_add"; "wrapping_sub"; "rotate_left"; "rotate_right" ]) + all_int_names) + @ List.flatten + (List.map (fun op -> mk_scalar_fun (fun ty -> "core::num::{" ^ ty ^ "}::checked_" ^ op) (fun ty -> - StringUtils.capitalize_first_letter ty ^ ".checked_" ^ op)) + StringUtils.capitalize_first_letter ty ^ ".checked_" ^ op) + ~can_fail:false ()) [ "add"; "sub"; "mul"; "div"; "rem" ]) (* From<INT, bool> *) @ mk_scalar_fun @@ -406,44 +439,50 @@ let builtin_funs () : (pattern * bool list option * builtin_fun_info) list = "core.convert.num.From" ^ StringUtils.capitalize_first_letter ty ^ "Bool.from") + ~can_fail:false () (* From<INT, INT> *) @ List.map (fun (big, small) -> mk_fun ("core::convert::num::{core::convert::From<" ^ big ^ ", " ^ small ^ ">}::from") - (Some - ("core.convert.num.From" - ^ StringUtils.capitalize_first_letter big - ^ StringUtils.capitalize_first_letter small - ^ ".from")) - None) + ~extract_name: + (Some + ("core.convert.num.From" + ^ StringUtils.capitalize_first_letter big + ^ StringUtils.capitalize_first_letter small + ^ ".from")) + ~can_fail:false ()) int_and_smaller_list (* Leading zeros *) @ mk_scalar_fun (fun ty -> "core::num::{" ^ ty ^ "}::leading_zeros") (fun ty -> "core.num." ^ StringUtils.capitalize_first_letter ty ^ ".leading_zeros") + ~can_fail:false () (* to_le_bytes *) @ mk_scalar_fun (fun ty -> "core::num::{" ^ ty ^ "}::to_le_bytes") (fun ty -> "core.num." ^ StringUtils.capitalize_first_letter ty ^ ".to_le_bytes") + ~can_fail:false () (* to_be_bytes *) @ mk_scalar_fun (fun ty -> "core::num::{" ^ ty ^ "}::to_be_bytes") (fun ty -> "core.num." ^ StringUtils.capitalize_first_letter ty ^ ".to_be_bytes") + ~can_fail:false () (* Clone<bool> *) @ [ mk_fun "core::clone::impls::{core::clone::Clone<bool>}::clone" - (Some "core.clone.CloneBool.clone") None; + ~extract_name:(Some "core.clone.CloneBool.clone") ~can_fail:false (); ] (* Clone<INT> *) @ mk_scalar_fun (fun ty -> "core::clone::impls::{core::clone::Clone<" ^ ty ^ ">}::clone") (fun ty -> "core.clone.Clone" ^ StringUtils.capitalize_first_letter ty ^ ".clone") + ~can_fail:false () (* Lean-only definitions *) @ mk_lean_only [ @@ -451,15 +490,19 @@ let builtin_funs () : (pattern * bool list option * builtin_fun_info) list = By construction, we cannot write down that parameter in the output in this list *) - mk_fun "core::mem::swap" None None; + mk_fun "core::mem::swap" ~can_fail:false (); mk_fun "core::option::{core::option::Option<@T>}::take" - (Some (backend_choice "" "Option::take")) - None; + ~extract_name:(Some (backend_choice "" "Option::take")) + ~can_fail:false (); mk_fun "core::option::{core::option::Option<@T>}::is_none" - (Some (backend_choice "" "Option::isNone")) - (Some [ false ]); + ~extract_name:(Some (backend_choice "" "Option::isNone")) + ~filter:(Some [ false ]) ~can_fail:false (); ] +let builtin_funs : unit -> (pattern * bool list option * builtin_fun_info) list + = + mk_memoized mk_builtin_funs + let mk_builtin_funs_map () = let m = NameMatcherMap.of_list @@ -475,106 +518,20 @@ let builtin_funs_map = mk_memoized mk_builtin_funs_map type effect_info = { can_fail : bool; stateful : bool } -let builtin_fun_effects = - let int_ops = - [ "wrapping_add"; "wrapping_sub"; "rotate_left"; "rotate_right" ] - in - let int_funs = - List.map - (fun int_name -> - List.map (fun op -> "core::num::" ^ "{" ^ int_name ^ "}::" ^ op) int_ops) - all_int_names - @ List.map - (fun op -> - List.map - (fun ty -> "core::num::{" ^ ty ^ "}::checked_" ^ op) - all_int_names) - [ "add"; "sub"; "mul"; "div"; "rem" ] - (* From<INT, bool> *) - @ [ - List.map - (fun int_name -> - "core::convert::num::{core::convert::From<" ^ int_name - ^ ", bool>}::from") - all_int_names; - ] - (* From<INT, INT> *) - @ [ - List.map - (fun (big, small) -> - "core::convert::num::{core::convert::From<" ^ big ^ ", " ^ small - ^ ">}::from") - int_and_smaller_list; - ] - (* Leading zeros *) - @ [ - List.map - (fun ty -> "core::num::{" ^ ty ^ "}::leading_zeros") - all_int_names; - ] - (* to_{le,be}_bytes *) - @ List.map - (fun ty -> - let pre = "core::num::{" ^ ty ^ "}::" in - [ pre ^ "to_le_bytes"; pre ^ "to_be_bytes" ]) - all_int_names - (* clone *) - @ [ - List.map - (fun ty -> - "core::clone::impls::{core::clone::Clone<" ^ ty ^ ">}::clone") - all_int_names; - ] +let mk_builtin_fun_effects () : (pattern * effect_info) list = + let builtin_funs : (pattern * bool list option * builtin_fun_info) list = + builtin_funs () in + List.map + (fun ((pattern, _, info) : _ * _ * builtin_fun_info) -> + let info = { can_fail = info.can_fail; stateful = info.stateful } in + (pattern, info)) + builtin_funs - let int_funs = List.concat int_funs in - let no_fail_no_state_funs = - [ - (* TODO: redundancy with the funs information above *) - "core::slice::{[@T]}::len"; - "alloc::vec::{alloc::vec::Vec<@T, alloc::alloc::Global>}::new"; - "alloc::vec::{alloc::vec::Vec<@T, @A>}::len"; - "core::mem::replace"; - "core::mem::take"; - "core::clone::impls::{core::clone::Clone<bool>}::clone"; - "alloc::vec::{alloc::vec::Vec<@T, alloc::alloc::Global>}::with_capacity"; - "core::slice::{[@T]}::reverse"; - "alloc::vec::{core::ops::deref::Deref<alloc::vec::Vec<@T, @A>>}::deref"; - ] - @ int_funs - @ mk_lean_only - [ - "core::mem::swap"; - "core::option::{core::option::Option<@T>}::take"; - "core::option::{core::option::Option<@T>}::is_none"; - ] - in - let no_fail_no_state_funs = - List.map - (fun n -> (n, { can_fail = false; stateful = false })) - no_fail_no_state_funs - in - (* TODO: all the functions registered in the [builtin_funs] above should - be considered as not using a state. There is a lot of redundancy - right now. *) - let no_state_funs = - [ - "alloc::vec::{alloc::vec::Vec<@T, @A>}::push"; - "alloc::vec::{core::ops::index::Index<alloc::vec::Vec<@T, @A>, \ - @I>}::index"; - "alloc::vec::{core::ops::index::IndexMut<alloc::vec::Vec<@T, @A>, \ - @I>}::index_mut"; - "core::option::{core::option::Option<@T>}::unwrap"; - ] - in - let no_state_funs = - List.map (fun n -> (n, { can_fail = true; stateful = false })) no_state_funs - in - no_fail_no_state_funs @ no_state_funs +let mk_builtin_fun_effects_map () = + NameMatcherMap.of_list (mk_builtin_fun_effects ()) -let builtin_fun_effects_map = - NameMatcherMap.of_list - (List.map (fun (n, x) -> (parse_pattern n, x)) builtin_fun_effects) +let builtin_fun_effects_map = mk_memoized mk_builtin_fun_effects_map type builtin_trait_decl_info = { rust_name : pattern; @@ -632,13 +589,16 @@ let builtin_trait_decls_info () = if !record_fields_short_names then item_name else extract_name ^ "_" ^ item_name in - let fwd = { extract_name = basename } in + let fwd = + { extract_name = basename; can_fail = true; stateful = false } + in (item_name, fwd) in List.map mk_method methods | Some methods -> List.map - (fun (item_name, extract_name) -> (item_name, { extract_name })) + (fun (item_name, extract_name) -> + (item_name, { extract_name; can_fail = true; stateful = false })) methods in { |