// option. This file may not be copied, modified, or distributed
// except according to those terms.
-
-use crate::consts::{constant_simple, constant_context};
-use crate::rustc::lint::LateContext;
+use crate::consts::{constant_context, constant_simple};
use crate::rustc::hir::*;
-use crate::rustc::ty::{TypeckTables};
-use std::hash::{Hash, Hasher};
-use std::collections::hash_map::DefaultHasher;
+use crate::rustc::lint::LateContext;
+use crate::rustc::ty::TypeckTables;
use crate::syntax::ast::Name;
use crate::syntax::ptr::P;
use crate::utils::differing_macro_contexts;
+use std::collections::hash_map::DefaultHasher;
+use std::hash::{Hash, Hasher};
/// Type used to check whether two ast are the same. This is different from the
/// operator
false
}
},
- (&StmtKind::Expr(ref l, _), &StmtKind::Expr(ref r, _)) | (&StmtKind::Semi(ref l, _), &StmtKind::Semi(ref r, _)) => {
- self.eq_expr(l, r)
- },
+ (&StmtKind::Expr(ref l, _), &StmtKind::Expr(ref r, _))
+ | (&StmtKind::Semi(ref l, _), &StmtKind::Semi(ref r, _)) => self.eq_expr(l, r),
_ => false,
}
}
return false;
}
- if let (Some(l), Some(r)) = (constant_simple(self.cx, self.tables, left), constant_simple(self.cx, self.tables, right)) {
+ if let (Some(l), Some(r)) = (
+ constant_simple(self.cx, self.tables, left),
+ constant_simple(self.cx, self.tables, right),
+ ) {
if l == r {
return true;
}
}
match (&left.node, &right.node) {
- (&ExprKind::AddrOf(l_mut, ref le), &ExprKind::AddrOf(r_mut, ref re)) => l_mut == r_mut && self.eq_expr(le, re),
+ (&ExprKind::AddrOf(l_mut, ref le), &ExprKind::AddrOf(r_mut, ref re)) => {
+ l_mut == r_mut && self.eq_expr(le, re)
+ },
(&ExprKind::Continue(li), &ExprKind::Continue(ri)) => {
both(&li.label, &ri.label, |l, r| l.ident.as_str() == r.ident.as_str())
},
- (&ExprKind::Assign(ref ll, ref lr), &ExprKind::Assign(ref rl, ref rr)) => self.eq_expr(ll, rl) && self.eq_expr(lr, rr),
+ (&ExprKind::Assign(ref ll, ref lr), &ExprKind::Assign(ref rl, ref rr)) => {
+ self.eq_expr(ll, rl) && self.eq_expr(lr, rr)
+ },
(&ExprKind::AssignOp(ref lo, ref ll, ref lr), &ExprKind::AssignOp(ref ro, ref rl, ref rr)) => {
lo.node == ro.node && self.eq_expr(ll, rl) && self.eq_expr(lr, rr)
},
(&ExprKind::Call(ref l_fun, ref l_args), &ExprKind::Call(ref r_fun, ref r_args)) => {
!self.ignore_fn && self.eq_expr(l_fun, r_fun) && self.eq_exprs(l_args, r_args)
},
- (&ExprKind::Cast(ref lx, ref lt), &ExprKind::Cast(ref rx, ref rt)) |
- (&ExprKind::Type(ref lx, ref lt), &ExprKind::Type(ref rx, ref rt)) => self.eq_expr(lx, rx) && self.eq_ty(lt, rt),
+ (&ExprKind::Cast(ref lx, ref lt), &ExprKind::Cast(ref rx, ref rt))
+ | (&ExprKind::Type(ref lx, ref lt), &ExprKind::Type(ref rx, ref rt)) => {
+ self.eq_expr(lx, rx) && self.eq_ty(lt, rt)
+ },
(&ExprKind::Field(ref l_f_exp, ref l_f_ident), &ExprKind::Field(ref r_f_exp, ref r_f_ident)) => {
l_f_ident.name == r_f_ident.name && self.eq_expr(l_f_exp, r_f_exp)
},
- (&ExprKind::Index(ref la, ref li), &ExprKind::Index(ref ra, ref ri)) => self.eq_expr(la, ra) && self.eq_expr(li, ri),
+ (&ExprKind::Index(ref la, ref li), &ExprKind::Index(ref ra, ref ri)) => {
+ self.eq_expr(la, ra) && self.eq_expr(li, ri)
+ },
(&ExprKind::If(ref lc, ref lt, ref le), &ExprKind::If(ref rc, ref rt, ref re)) => {
self.eq_expr(lc, rc) && self.eq_expr(&**lt, &**rt) && both(le, re, |l, r| self.eq_expr(l, r))
},
lls == rls && self.eq_block(lb, rb) && both(ll, rl, |l, r| l.ident.as_str() == r.ident.as_str())
},
(&ExprKind::Match(ref le, ref la, ref ls), &ExprKind::Match(ref re, ref ra, ref rs)) => {
- ls == rs && self.eq_expr(le, re) && over(la, ra, |l, r| {
- self.eq_expr(&l.body, &r.body) && both(&l.guard, &r.guard, |l, r| self.eq_guard(l, r))
- && over(&l.pats, &r.pats, |l, r| self.eq_pat(l, r))
- })
+ ls == rs
+ && self.eq_expr(le, re)
+ && over(la, ra, |l, r| {
+ self.eq_expr(&l.body, &r.body)
+ && both(&l.guard, &r.guard, |l, r| self.eq_guard(l, r))
+ && over(&l.pats, &r.pats, |l, r| self.eq_pat(l, r))
+ })
},
(&ExprKind::MethodCall(ref l_path, _, ref l_args), &ExprKind::MethodCall(ref r_path, _, ref r_args)) => {
!self.ignore_fn && self.eq_path_segment(l_path, r_path) && self.eq_exprs(l_args, r_args)
(&ExprKind::Ret(ref l), &ExprKind::Ret(ref r)) => both(l, r, |l, r| self.eq_expr(l, r)),
(&ExprKind::Path(ref l), &ExprKind::Path(ref r)) => self.eq_qpath(l, r),
(&ExprKind::Struct(ref l_path, ref lf, ref lo), &ExprKind::Struct(ref r_path, ref rf, ref ro)) => {
- self.eq_qpath(l_path, r_path) && both(lo, ro, |l, r| self.eq_expr(l, r))
+ self.eq_qpath(l_path, r_path)
+ && both(lo, ro, |l, r| self.eq_expr(l, r))
&& over(lf, rf, |l, r| self.eq_field(l, r))
},
(&ExprKind::Tup(ref l_tup), &ExprKind::Tup(ref r_tup)) => self.eq_exprs(l_tup, r_tup),
(&ExprKind::Unary(l_op, ref le), &ExprKind::Unary(r_op, ref re)) => l_op == r_op && self.eq_expr(le, re),
(&ExprKind::Array(ref l), &ExprKind::Array(ref r)) => self.eq_exprs(l, r),
(&ExprKind::While(ref lc, ref lb, ref ll), &ExprKind::While(ref rc, ref rb, ref rl)) => {
- self.eq_expr(lc, rc) && self.eq_block(lb, rb) && both(ll, rl, |l, r| l.ident.as_str() == r.ident.as_str())
+ self.eq_expr(lc, rc)
+ && self.eq_block(lb, rb)
+ && both(ll, rl, |l, r| l.ident.as_str() == r.ident.as_str())
},
_ => false,
}
},
(&PatKind::Ref(ref le, ref lm), &PatKind::Ref(ref re, ref rm)) => lm == rm && self.eq_pat(le, re),
(&PatKind::Slice(ref ls, ref li, ref le), &PatKind::Slice(ref rs, ref ri, ref re)) => {
- over(ls, rs, |l, r| self.eq_pat(l, r)) && over(le, re, |l, r| self.eq_pat(l, r))
+ over(ls, rs, |l, r| self.eq_pat(l, r))
+ && over(le, re, |l, r| self.eq_pat(l, r))
&& both(li, ri, |l, r| self.eq_pat(l, r))
},
(&PatKind::Wild, &PatKind::Wild) => true,
&& over(&left.bindings, &right.bindings, |l, r| self.eq_type_binding(l, r))
} else if left.parenthesized && right.parenthesized {
over(left.inputs(), right.inputs(), |l, r| self.eq_ty(l, r))
- && both(
- &Some(&left.bindings[0].ty),
- &Some(&right.bindings[0].ty),
- |l, r| self.eq_ty(l, r),
- )
+ && both(&Some(&left.bindings[0].ty), &Some(&right.bindings[0].ty), |l, r| {
+ self.eq_ty(l, r)
+ })
} else {
false
}
self.tables = full_table;
eq_ty && ll == rl
},
- (&TyKind::Ptr(ref l_mut), &TyKind::Ptr(ref r_mut)) => l_mut.mutbl == r_mut.mutbl && self.eq_ty(&*l_mut.ty, &*r_mut.ty),
+ (&TyKind::Ptr(ref l_mut), &TyKind::Ptr(ref r_mut)) => {
+ l_mut.mutbl == r_mut.mutbl && self.eq_ty(&*l_mut.ty, &*r_mut.ty)
+ },
(&TyKind::Rptr(_, ref l_rmut), &TyKind::Rptr(_, ref r_rmut)) => {
l_rmut.mutbl == r_rmut.mutbl && self.eq_ty(&*l_rmut.ty, &*r_rmut.ty)
},
fn swap_binop<'a>(binop: BinOpKind, lhs: &'a Expr, rhs: &'a Expr) -> Option<(BinOpKind, &'a Expr, &'a Expr)> {
match binop {
- BinOpKind::Add |
- BinOpKind::Mul |
- BinOpKind::Eq |
- BinOpKind::Ne |
- BinOpKind::BitAnd |
- BinOpKind::BitXor |
- BinOpKind::BitOr => Some((binop, rhs, lhs)),
+ BinOpKind::Add
+ | BinOpKind::Mul
+ | BinOpKind::Eq
+ | BinOpKind::Ne
+ | BinOpKind::BitAnd
+ | BinOpKind::BitXor
+ | BinOpKind::BitOr => Some((binop, rhs, lhs)),
BinOpKind::Lt => Some((BinOpKind::Gt, rhs, lhs)),
BinOpKind::Le => Some((BinOpKind::Ge, rhs, lhs)),
BinOpKind::Ge => Some((BinOpKind::Le, rhs, lhs)),
BinOpKind::Gt => Some((BinOpKind::Lt, rhs, lhs)),
- BinOpKind::Shl |
- BinOpKind::Shr |
- BinOpKind::Rem |
- BinOpKind::Sub |
- BinOpKind::Div |
- BinOpKind::And |
- BinOpKind::Or => None,
+ BinOpKind::Shl
+ | BinOpKind::Shr
+ | BinOpKind::Rem
+ | BinOpKind::Sub
+ | BinOpKind::Div
+ | BinOpKind::And
+ | BinOpKind::Or => None,
}
}
left.len() == right.len() && left.iter().zip(right).all(|(x, y)| eq_fn(x, y))
}
-
/// Type used to hash an ast element. This is different from the `Hash` trait
/// on ast types as this
/// trait would consider IDs and spans.
BlockCheckMode::UnsafeBlock(_) => 1,
BlockCheckMode::PushUnsafeBlock(_) => 2,
BlockCheckMode::PopUnsafeBlock(_) => 3,
- }.hash(&mut self.s);
+ }
+ .hash(&mut self.s);
}
#[allow(clippy::many_single_char_names)]
match cap {
CaptureClause::CaptureByValue => 0,
CaptureClause::CaptureByRef => 1,
- }.hash(&mut self.s);
+ }
+ .hash(&mut self.s);
self.hash_expr(&self.cx.tcx.hir.body(eid).value);
},
ExprKind::Field(ref e, ref f) => {
let c: fn(_) -> _ = Guard::If;
c.hash(&mut self.s);
self.hash_expr(expr);
- }
+ },
}
}
}