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Refactor impl_for_type into a separate function

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This commit is contained in:
Joshua Nelson 2020-08-17 18:03:38 -04:00
parent 5b04bbfcbb
commit 967ec1f623
1 changed files with 34 additions and 29 deletions
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63
src/librustdoc/clean/utils.rs
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@ -15,7 +15,7 @@ use rustc_hir::def::{DefKind, Res};
use rustc_hir::def_id::{DefId, LOCAL_CRATE};
use rustc_middle::mir::interpret::{sign_extend, ConstValue, Scalar};
use rustc_middle::ty::subst::{GenericArgKind, SubstsRef};
use rustc_middle::ty::{self, DefIdTree, Ty};
use rustc_middle::ty::{self, DefIdTree, Ty, TyCtxt};
use rustc_span::symbol::{kw, sym, Symbol};
use std::mem;
@ -350,8 +350,39 @@ pub fn qpath_to_string(p: &hir::QPath<'_>) -> String {
s
}
pub fn build_deref_target_impls(cx: &DocContext<'_>, items: &[Item], ret: &mut Vec<Item>) {
pub fn impl_for_type(tcx: TyCtxt<'_>, primitive: PrimitiveType) -> Option<DefId> {
use self::PrimitiveType::*;
match primitive {
Isize => tcx.lang_items().isize_impl(),
I8 => tcx.lang_items().i8_impl(),
I16 => tcx.lang_items().i16_impl(),
I32 => tcx.lang_items().i32_impl(),
I64 => tcx.lang_items().i64_impl(),
I128 => tcx.lang_items().i128_impl(),
Usize => tcx.lang_items().usize_impl(),
U8 => tcx.lang_items().u8_impl(),
U16 => tcx.lang_items().u16_impl(),
U32 => tcx.lang_items().u32_impl(),
U64 => tcx.lang_items().u64_impl(),
U128 => tcx.lang_items().u128_impl(),
F32 => tcx.lang_items().f32_impl(),
F64 => tcx.lang_items().f64_impl(),
Char => tcx.lang_items().char_impl(),
Bool => tcx.lang_items().bool_impl(),
Str => tcx.lang_items().str_impl(),
Slice => tcx.lang_items().slice_impl(),
Array => tcx.lang_items().array_impl(),
Tuple => None,
Unit => None,
RawPointer => tcx.lang_items().const_ptr_impl(),
Reference => None,
Fn => None,
Never => None,
}
}
pub fn build_deref_target_impls(cx: &DocContext<'_>, items: &[Item], ret: &mut Vec<Item>) {
let tcx = cx.tcx;
for item in items {
@ -370,33 +401,7 @@ pub fn build_deref_target_impls(cx: &DocContext<'_>, items: &[Item], ret: &mut V
None => continue,
},
};
let did = match primitive {
Isize => tcx.lang_items().isize_impl(),
I8 => tcx.lang_items().i8_impl(),
I16 => tcx.lang_items().i16_impl(),
I32 => tcx.lang_items().i32_impl(),
I64 => tcx.lang_items().i64_impl(),
I128 => tcx.lang_items().i128_impl(),
Usize => tcx.lang_items().usize_impl(),
U8 => tcx.lang_items().u8_impl(),
U16 => tcx.lang_items().u16_impl(),
U32 => tcx.lang_items().u32_impl(),
U64 => tcx.lang_items().u64_impl(),
U128 => tcx.lang_items().u128_impl(),
F32 => tcx.lang_items().f32_impl(),
F64 => tcx.lang_items().f64_impl(),
Char => tcx.lang_items().char_impl(),
Bool => tcx.lang_items().bool_impl(),
Str => tcx.lang_items().str_impl(),
Slice => tcx.lang_items().slice_impl(),
Array => tcx.lang_items().array_impl(),
Tuple => None,
Unit => None,
RawPointer => tcx.lang_items().const_ptr_impl(),
Reference => None,
Fn => None,
Never => None,
};
let did = impl_for_type(tcx, primitive);
if let Some(did) = did {
if !did.is_local() {
inline::build_impl(cx, did, None, ret);