use proc_macro2::TokenStream;
use syn::{File, Macro};
pub enum DiffResult {
CodeChanged,
RsxChanged(Vec<(Macro, TokenStream)>),
}
pub fn find_rsx(new: &File, old: &File) -> DiffResult {
let mut rsx_calls = Vec::new();
if new.items.len() != old.items.len() {
return DiffResult::CodeChanged;
}
for (new, old) in new.items.iter().zip(old.items.iter()) {
if find_rsx_item(new, old, &mut rsx_calls) {
return DiffResult::CodeChanged;
}
}
DiffResult::RsxChanged(rsx_calls)
}
fn find_rsx_item(
new: &syn::Item,
old: &syn::Item,
rsx_calls: &mut Vec<(Macro, TokenStream)>,
) -> bool {
match (new, old) {
(syn::Item::Const(new_item), syn::Item::Const(old_item)) => {
find_rsx_expr(&new_item.expr, &old_item.expr, rsx_calls)
|| new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.const_token != old_item.const_token
|| new_item.ident != old_item.ident
|| new_item.colon_token != old_item.colon_token
|| new_item.ty != old_item.ty
|| new_item.eq_token != old_item.eq_token
|| new_item.semi_token != old_item.semi_token
}
(syn::Item::Enum(new_item), syn::Item::Enum(old_item)) => {
if new_item.variants.len() != old_item.variants.len() {
return true;
}
for (new_varient, old_varient) in new_item.variants.iter().zip(old_item.variants.iter())
{
match (&new_varient.discriminant, &old_varient.discriminant) {
(Some((new_eq, new_expr)), Some((old_eq, old_expr))) => {
if find_rsx_expr(new_expr, old_expr, rsx_calls) || new_eq != old_eq {
return true;
}
}
(None, None) => (),
_ => return true,
}
if new_varient.attrs != old_varient.attrs
|| new_varient.ident != old_varient.ident
|| new_varient.fields != old_varient.fields
{
return true;
}
}
new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.enum_token != old_item.enum_token
|| new_item.ident != old_item.ident
|| new_item.generics != old_item.generics
|| new_item.brace_token != old_item.brace_token
}
(syn::Item::ExternCrate(new_item), syn::Item::ExternCrate(old_item)) => {
old_item != new_item
}
(syn::Item::Fn(new_item), syn::Item::Fn(old_item)) => {
find_rsx_block(&new_item.block, &old_item.block, rsx_calls)
|| new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.sig != old_item.sig
}
(syn::Item::ForeignMod(new_item), syn::Item::ForeignMod(old_item)) => old_item != new_item,
(syn::Item::Impl(new_item), syn::Item::Impl(old_item)) => {
if new_item.items.len() != old_item.items.len() {
return true;
}
for (new_item, old_item) in new_item.items.iter().zip(old_item.items.iter()) {
if match (new_item, old_item) {
(syn::ImplItem::Const(new_item), syn::ImplItem::Const(old_item)) => {
find_rsx_expr(&new_item.expr, &old_item.expr, rsx_calls)
}
(syn::ImplItem::Method(new_item), syn::ImplItem::Method(old_item)) => {
find_rsx_block(&new_item.block, &old_item.block, rsx_calls)
}
(syn::ImplItem::Type(new_item), syn::ImplItem::Type(old_item)) => {
old_item != new_item
}
(syn::ImplItem::Macro(new_item), syn::ImplItem::Macro(old_item)) => {
old_item != new_item
}
_ => true,
} {
return true;
}
}
new_item.attrs != old_item.attrs
|| new_item.defaultness != old_item.defaultness
|| new_item.unsafety != old_item.unsafety
|| new_item.impl_token != old_item.impl_token
|| new_item.generics != old_item.generics
|| new_item.trait_ != old_item.trait_
|| new_item.self_ty != old_item.self_ty
|| new_item.brace_token != old_item.brace_token
}
(syn::Item::Macro(new_item), syn::Item::Macro(old_item)) => old_item != new_item,
(syn::Item::Macro2(new_item), syn::Item::Macro2(old_item)) => old_item != new_item,
(syn::Item::Mod(new_item), syn::Item::Mod(old_item)) => {
match (&new_item.content, &old_item.content) {
(Some((_, new_items)), Some((_, old_items))) => {
if new_items.len() != old_items.len() {
return true;
}
for (new_item, old_item) in new_items.iter().zip(old_items.iter()) {
if find_rsx_item(new_item, old_item, rsx_calls) {
return true;
}
}
new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.mod_token != old_item.mod_token
|| new_item.ident != old_item.ident
|| new_item.semi != old_item.semi
}
(None, None) => {
new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.mod_token != old_item.mod_token
|| new_item.ident != old_item.ident
|| new_item.semi != old_item.semi
}
_ => true,
}
}
(syn::Item::Static(new_item), syn::Item::Static(old_item)) => {
find_rsx_expr(&new_item.expr, &old_item.expr, rsx_calls)
|| new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.static_token != old_item.static_token
|| new_item.mutability != old_item.mutability
|| new_item.ident != old_item.ident
|| new_item.colon_token != old_item.colon_token
|| new_item.ty != old_item.ty
|| new_item.eq_token != old_item.eq_token
|| new_item.semi_token != old_item.semi_token
}
(syn::Item::Struct(new_item), syn::Item::Struct(old_item)) => old_item != new_item,
(syn::Item::Trait(new_item), syn::Item::Trait(old_item)) => {
find_rsx_trait(new_item, old_item, rsx_calls)
}
(syn::Item::TraitAlias(new_item), syn::Item::TraitAlias(old_item)) => old_item != new_item,
(syn::Item::Type(new_item), syn::Item::Type(old_item)) => old_item != new_item,
(syn::Item::Union(new_item), syn::Item::Union(old_item)) => old_item != new_item,
(syn::Item::Use(new_item), syn::Item::Use(old_item)) => old_item != new_item,
(syn::Item::Verbatim(_), syn::Item::Verbatim(_)) => false,
_ => return true,
}
}
fn find_rsx_trait(
new_item: &syn::ItemTrait,
old_item: &syn::ItemTrait,
rsx_calls: &mut Vec<(Macro, TokenStream)>,
) -> bool {
if new_item.items.len() != old_item.items.len() {
return true;
}
for (new_item, old_item) in new_item.items.iter().zip(old_item.items.iter()) {
if match (new_item, old_item) {
(syn::TraitItem::Const(new_item), syn::TraitItem::Const(old_item)) => {
if let (Some((_, new_expr)), Some((_, old_expr))) =
(&new_item.default, &old_item.default)
{
find_rsx_expr(new_expr, old_expr, rsx_calls)
} else {
true
}
}
(syn::TraitItem::Method(new_item), syn::TraitItem::Method(old_item)) => {
if let (Some(new_block), Some(old_block)) = (&new_item.default, &old_item.default) {
find_rsx_block(new_block, old_block, rsx_calls)
} else {
true
}
}
(syn::TraitItem::Type(new_item), syn::TraitItem::Type(old_item)) => {
old_item != new_item
}
(syn::TraitItem::Macro(new_item), syn::TraitItem::Macro(old_item)) => {
old_item != new_item
}
_ => true,
} {
return true;
}
}
new_item.attrs != old_item.attrs
|| new_item.vis != old_item.vis
|| new_item.unsafety != old_item.unsafety
|| new_item.auto_token != old_item.auto_token
|| new_item.ident != old_item.ident
|| new_item.generics != old_item.generics
|| new_item.colon_token != old_item.colon_token
|| new_item.supertraits != old_item.supertraits
|| new_item.brace_token != old_item.brace_token
}
fn find_rsx_block(
new_block: &syn::Block,
old_block: &syn::Block,
rsx_calls: &mut Vec<(Macro, TokenStream)>,
) -> bool {
if new_block.stmts.len() != old_block.stmts.len() {
return true;
}
for (new_stmt, old_stmt) in new_block.stmts.iter().zip(old_block.stmts.iter()) {
if find_rsx_stmt(new_stmt, old_stmt, rsx_calls) {
return true;
}
}
new_block.brace_token != old_block.brace_token
}
fn find_rsx_stmt(
new_stmt: &syn::Stmt,
old_stmt: &syn::Stmt,
rsx_calls: &mut Vec<(Macro, TokenStream)>,
) -> bool {
match (new_stmt, old_stmt) {
(syn::Stmt::Local(new_local), syn::Stmt::Local(old_local)) => {
(match (&new_local.init, &old_local.init) {
(Some((new_eq, new_expr)), Some((old_eq, old_expr))) => {
find_rsx_expr(new_expr, old_expr, rsx_calls) || new_eq != old_eq
}
(None, None) => false,
_ => true,
} || new_local.attrs != old_local.attrs
|| new_local.let_token != old_local.let_token
|| new_local.pat != old_local.pat
|| new_local.semi_token != old_local.semi_token)
}
(syn::Stmt::Item(new_item), syn::Stmt::Item(old_item)) => {
find_rsx_item(new_item, old_item, rsx_calls)
}
(syn::Stmt::Expr(new_expr), syn::Stmt::Expr(old_expr)) => {
find_rsx_expr(new_expr, old_expr, rsx_calls)
}
(syn::Stmt::Semi(new_expr, new_semi), syn::Stmt::Semi(old_expr, old_semi)) => {
find_rsx_expr(new_expr, old_expr, rsx_calls) || new_semi != old_semi
}
_ => true,
}
}
fn find_rsx_expr(
new_expr: &syn::Expr,
old_expr: &syn::Expr,
rsx_calls: &mut Vec<(Macro, TokenStream)>,
) -> bool {
match (new_expr, old_expr) {
(syn::Expr::Array(new_expr), syn::Expr::Array(old_expr)) => {
if new_expr.elems.len() != old_expr.elems.len() {
return true;
}
for (new_el, old_el) in new_expr.elems.iter().zip(old_expr.elems.iter()) {
if find_rsx_expr(new_el, old_el, rsx_calls) {
return true;
}
}
new_expr.attrs != old_expr.attrs || new_expr.bracket_token != old_expr.bracket_token
}
(syn::Expr::Assign(new_expr), syn::Expr::Assign(old_expr)) => {
find_rsx_expr(&new_expr.left, &old_expr.left, rsx_calls)
|| find_rsx_expr(&new_expr.right, &old_expr.right, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.eq_token != old_expr.eq_token
}
(syn::Expr::AssignOp(new_expr), syn::Expr::AssignOp(old_expr)) => {
find_rsx_expr(&new_expr.left, &old_expr.left, rsx_calls)
|| find_rsx_expr(&new_expr.right, &old_expr.right, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.op != old_expr.op
}
(syn::Expr::Async(new_expr), syn::Expr::Async(old_expr)) => {
find_rsx_block(&new_expr.block, &old_expr.block, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.async_token != old_expr.async_token
|| new_expr.capture != old_expr.capture
}
(syn::Expr::Await(new_expr), syn::Expr::Await(old_expr)) => {
find_rsx_expr(&new_expr.base, &old_expr.base, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.dot_token != old_expr.dot_token
|| new_expr.await_token != old_expr.await_token
}
(syn::Expr::Binary(new_expr), syn::Expr::Binary(old_expr)) => {
find_rsx_expr(&new_expr.left, &old_expr.left, rsx_calls)
|| find_rsx_expr(&new_expr.right, &old_expr.right, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.op != old_expr.op
}
(syn::Expr::Block(new_expr), syn::Expr::Block(old_expr)) => {
find_rsx_block(&new_expr.block, &old_expr.block, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.label != old_expr.label
}
(syn::Expr::Box(new_expr), syn::Expr::Box(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.box_token != old_expr.box_token
}
(syn::Expr::Break(new_expr), syn::Expr::Break(old_expr)) => {
match (&new_expr.expr, &old_expr.expr) {
(Some(new_inner), Some(old_inner)) => {
find_rsx_expr(new_inner, old_inner, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.break_token != old_expr.break_token
|| new_expr.label != old_expr.label
}
(None, None) => {
new_expr.attrs != old_expr.attrs
|| new_expr.break_token != old_expr.break_token
|| new_expr.label != old_expr.label
}
_ => true,
}
}
(syn::Expr::Call(new_expr), syn::Expr::Call(old_expr)) => {
find_rsx_expr(&new_expr.func, &old_expr.func, rsx_calls);
if new_expr.args.len() != old_expr.args.len() {
return true;
}
for (new_arg, old_arg) in new_expr.args.iter().zip(old_expr.args.iter()) {
if find_rsx_expr(new_arg, old_arg, rsx_calls) {
return true;
}
}
new_expr.attrs != old_expr.attrs || new_expr.paren_token != old_expr.paren_token
}
(syn::Expr::Cast(new_expr), syn::Expr::Cast(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.as_token != old_expr.as_token
|| new_expr.ty != old_expr.ty
}
(syn::Expr::Closure(new_expr), syn::Expr::Closure(old_expr)) => {
find_rsx_expr(&new_expr.body, &old_expr.body, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.movability != old_expr.movability
|| new_expr.asyncness != old_expr.asyncness
|| new_expr.capture != old_expr.capture
|| new_expr.or1_token != old_expr.or1_token
|| new_expr.inputs != old_expr.inputs
|| new_expr.or2_token != old_expr.or2_token
|| new_expr.output != old_expr.output
}
(syn::Expr::Continue(new_expr), syn::Expr::Continue(old_expr)) => old_expr != new_expr,
(syn::Expr::Field(new_expr), syn::Expr::Field(old_expr)) => {
find_rsx_expr(&new_expr.base, &old_expr.base, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.dot_token != old_expr.dot_token
|| new_expr.member != old_expr.member
}
(syn::Expr::ForLoop(new_expr), syn::Expr::ForLoop(old_expr)) => {
find_rsx_block(&new_expr.body, &old_expr.body, rsx_calls)
|| find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.label != old_expr.label
|| new_expr.for_token != old_expr.for_token
|| new_expr.pat != old_expr.pat
|| new_expr.in_token != old_expr.in_token
}
(syn::Expr::Group(new_expr), syn::Expr::Group(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
}
(syn::Expr::If(new_expr), syn::Expr::If(old_expr)) => {
if find_rsx_expr(&new_expr.cond, &old_expr.cond, rsx_calls)
|| find_rsx_block(&new_expr.then_branch, &old_expr.then_branch, rsx_calls)
{
return true;
}
match (&new_expr.else_branch, &old_expr.else_branch) {
(Some((new_tok, new_else)), Some((old_tok, old_else))) => {
find_rsx_expr(new_else, old_else, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.if_token != old_expr.if_token
|| new_expr.cond != old_expr.cond
|| new_tok != old_tok
}
(None, None) => {
new_expr.attrs != old_expr.attrs
|| new_expr.if_token != old_expr.if_token
|| new_expr.cond != old_expr.cond
}
_ => true,
}
}
(syn::Expr::Index(new_expr), syn::Expr::Index(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| find_rsx_expr(&new_expr.index, &old_expr.index, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.bracket_token != old_expr.bracket_token
}
(syn::Expr::Let(new_expr), syn::Expr::Let(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.let_token != old_expr.let_token
|| new_expr.pat != old_expr.pat
|| new_expr.eq_token != old_expr.eq_token
}
(syn::Expr::Lit(new_expr), syn::Expr::Lit(old_expr)) => old_expr != new_expr,
(syn::Expr::Loop(new_expr), syn::Expr::Loop(old_expr)) => {
find_rsx_block(&new_expr.body, &old_expr.body, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.label != old_expr.label
|| new_expr.loop_token != old_expr.loop_token
}
(syn::Expr::Macro(new_expr), syn::Expr::Macro(old_expr)) => {
let new_mac = &new_expr.mac;
let old_mac = &old_expr.mac;
if new_mac.path.get_ident().map(|ident| ident.to_string()) == Some("rsx".to_string())
&& old_mac.path.get_ident().map(|ident| ident.to_string())
== Some("rsx".to_string())
{
rsx_calls.push((old_mac.clone(), new_mac.tokens.clone()));
false
} else {
new_expr != old_expr
}
}
(syn::Expr::Match(new_expr), syn::Expr::Match(old_expr)) => {
if find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls) {
return true;
}
for (new_arm, old_arm) in new_expr.arms.iter().zip(old_expr.arms.iter()) {
match (&new_arm.guard, &old_arm.guard) {
(Some((new_tok, new_expr)), Some((old_tok, old_expr))) => {
if find_rsx_expr(new_expr, old_expr, rsx_calls) || new_tok != old_tok {
return true;
}
}
(None, None) => (),
_ => return true,
}
if find_rsx_expr(&new_arm.body, &old_arm.body, rsx_calls)
|| new_arm.attrs != old_arm.attrs
|| new_arm.pat != old_arm.pat
|| new_arm.fat_arrow_token != old_arm.fat_arrow_token
|| new_arm.comma != old_arm.comma
{
return true;
}
}
new_expr.attrs != old_expr.attrs
|| new_expr.match_token != old_expr.match_token
|| new_expr.brace_token != old_expr.brace_token
}
(syn::Expr::MethodCall(new_expr), syn::Expr::MethodCall(old_expr)) => {
if find_rsx_expr(&new_expr.receiver, &old_expr.receiver, rsx_calls) {
return true;
}
for (new_arg, old_arg) in new_expr.args.iter().zip(old_expr.args.iter()) {
if find_rsx_expr(new_arg, old_arg, rsx_calls) {
return true;
}
}
new_expr.attrs != old_expr.attrs
|| new_expr.dot_token != old_expr.dot_token
|| new_expr.method != old_expr.method
|| new_expr.turbofish != old_expr.turbofish
|| new_expr.paren_token != old_expr.paren_token
}
(syn::Expr::Paren(new_expr), syn::Expr::Paren(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.paren_token != old_expr.paren_token
}
(syn::Expr::Path(new_expr), syn::Expr::Path(old_expr)) => old_expr != new_expr,
(syn::Expr::Range(new_expr), syn::Expr::Range(old_expr)) => {
match (&new_expr.from, &old_expr.from) {
(Some(new_expr), Some(old_expr)) => {
if find_rsx_expr(new_expr, old_expr, rsx_calls) {
return true;
}
}
(None, None) => (),
_ => return true,
}
match (&new_expr.to, &old_expr.to) {
(Some(new_inner), Some(old_inner)) => {
find_rsx_expr(new_inner, old_inner, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.limits != old_expr.limits
}
(None, None) => {
new_expr.attrs != old_expr.attrs || new_expr.limits != old_expr.limits
}
_ => true,
}
}
(syn::Expr::Reference(new_expr), syn::Expr::Reference(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.and_token != old_expr.and_token
|| new_expr.mutability != old_expr.mutability
}
(syn::Expr::Repeat(new_expr), syn::Expr::Repeat(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| find_rsx_expr(&new_expr.len, &old_expr.len, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.bracket_token != old_expr.bracket_token
|| new_expr.semi_token != old_expr.semi_token
}
(syn::Expr::Return(new_expr), syn::Expr::Return(old_expr)) => {
match (&new_expr.expr, &old_expr.expr) {
(Some(new_inner), Some(old_inner)) => {
find_rsx_expr(new_inner, old_inner, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.return_token != old_expr.return_token
}
(None, None) => {
new_expr.attrs != old_expr.attrs
|| new_expr.return_token != old_expr.return_token
}
_ => true,
}
}
(syn::Expr::Struct(new_expr), syn::Expr::Struct(old_expr)) => {
match (&new_expr.rest, &old_expr.rest) {
(Some(new_expr), Some(old_expr)) => {
if find_rsx_expr(new_expr, old_expr, rsx_calls) {
return true;
}
}
(None, None) => (),
_ => return true,
}
for (new_field, old_field) in new_expr.fields.iter().zip(old_expr.fields.iter()) {
if find_rsx_expr(&new_field.expr, &old_field.expr, rsx_calls)
|| new_field.attrs != old_field.attrs
|| new_field.member != old_field.member
|| new_field.colon_token != old_field.colon_token
{
return true;
}
}
new_expr.attrs != old_expr.attrs
|| new_expr.path != old_expr.path
|| new_expr.brace_token != old_expr.brace_token
|| new_expr.dot2_token != old_expr.dot2_token
}
(syn::Expr::Try(new_expr), syn::Expr::Try(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.question_token != old_expr.question_token
}
(syn::Expr::TryBlock(new_expr), syn::Expr::TryBlock(old_expr)) => {
find_rsx_block(&new_expr.block, &old_expr.block, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.try_token != old_expr.try_token
}
(syn::Expr::Tuple(new_expr), syn::Expr::Tuple(old_expr)) => {
for (new_el, old_el) in new_expr.elems.iter().zip(old_expr.elems.iter()) {
if find_rsx_expr(new_el, old_el, rsx_calls) {
return true;
}
}
new_expr.attrs != old_expr.attrs || new_expr.paren_token != old_expr.paren_token
}
(syn::Expr::Type(new_expr), syn::Expr::Type(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.colon_token != old_expr.colon_token
|| new_expr.ty != old_expr.ty
}
(syn::Expr::Unary(new_expr), syn::Expr::Unary(old_expr)) => {
find_rsx_expr(&new_expr.expr, &old_expr.expr, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.op != old_expr.op
}
(syn::Expr::Unsafe(new_expr), syn::Expr::Unsafe(old_expr)) => {
find_rsx_block(&new_expr.block, &old_expr.block, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.unsafe_token != old_expr.unsafe_token
}
(syn::Expr::While(new_expr), syn::Expr::While(old_expr)) => {
find_rsx_expr(&new_expr.cond, &old_expr.cond, rsx_calls)
|| find_rsx_block(&new_expr.body, &old_expr.body, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.label != old_expr.label
|| new_expr.while_token != old_expr.while_token
}
(syn::Expr::Yield(new_expr), syn::Expr::Yield(old_expr)) => {
match (&new_expr.expr, &old_expr.expr) {
(Some(new_inner), Some(old_inner)) => {
find_rsx_expr(new_inner, old_inner, rsx_calls)
|| new_expr.attrs != old_expr.attrs
|| new_expr.yield_token != old_expr.yield_token
}
(None, None) => {
new_expr.attrs != old_expr.attrs || new_expr.yield_token != old_expr.yield_token
}
_ => true,
}
}
(syn::Expr::Verbatim(_), syn::Expr::Verbatim(_)) => false,
_ => true,
}
}