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sdk/pkg/front_end/testcases/patterns/irrefutable_tail.dart.strong.expect
T
Johnni Winther 70d3adade2 [cfe] Move hoisted variables after variable caches 
This moves the hoisted declaration of pattern variables till after the
variable cache declarations, such that any use of variables in the
matched expression, shadowed by the pattern variables, occurs before the
declaration of the shadowing variables.

Closes #54559

Change-Id: Id8ca8e7a499b9d71a50cd9987808d159f26bbd24
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/345942
Reviewed-by: Erik Ernst <eernst@google.com>
Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
Commit-Queue: Johnni Winther <johnniwinther@google.com>
2024-01-16 09:09:29 +00:00

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library;
import self as self;
import "dart:core" as core;
abstract class A extends core::Object {
synthetic constructor •() → self::A
: super core::Object::•()
;
abstract get b() → self::B;
abstract get i() → core::int;
}
abstract class B extends core::Object {
synthetic constructor •() → self::B
: super core::Object::•()
;
abstract get c() → self::C;
abstract get i() → core::int;
}
abstract class C extends core::Object {
synthetic constructor •() → self::C
: super core::Object::•()
;
abstract get i() → core::int;
}
static method ifCase(dynamic o) → dynamic {
{
final synthesized dynamic #0#0 = o;
{
hoisted self::A a;
if(#0#0 is self::A) {
a = #0#0{self::A};
{
core::print(a);
}
}
}
}
{
final synthesized dynamic #1#0 = o;
{
hoisted self::B b;
if(#1#0 is self::A) {
b = #1#0{self::A}.{self::A::b}{self::B};
{
core::print(b);
}
}
}
}
{
final synthesized dynamic #2#0 = o;
{
hoisted self::C c;
if(#2#0 is self::A) {
c = #2#0{self::A}.{self::A::b}{self::B}.{self::B::c}{self::C};
{
core::print(c);
}
}
}
}
{
final synthesized dynamic #3#0 = o;
{
hoisted core::int i;
if(#3#0 is self::A) {
i = #3#0{self::A}.{self::A::b}{self::B}.{self::B::c}{self::C}.{self::C::i}{core::int};
{
core::print(i);
}
}
}
}
{
final synthesized dynamic #4#0 = o;
{
hoisted self::B b;
hoisted core::int i;
if(#4#0 is self::A) {
b = #4#0{self::A}.{self::A::b}{self::B};
i = #4#0{self::A}.{self::A::i}{core::int};
{
core::print(b);
core::print(i);
}
}
}
}
{
final synthesized dynamic #5#0 = o;
{
hoisted self::B b;
if(#5#0 is self::A && #C1 =={core::num::==}{(core::Object) → core::bool} #5#0{self::A}.{self::A::i}{core::int}) {
b = #5#0{self::A}.{self::A::b}{self::B};
{
core::print(b);
}
}
}
}
{
final synthesized dynamic #6#0 = o;
{
hoisted self::B b;
if(#6#0 is self::A && (let final dynamic #t1 = b = #6#0{self::A}.{self::A::b}{self::B} in true) && #C1 =={core::num::==}{(core::Object) → core::bool} #6#0{self::A}.{self::A::i}{core::int}) {
core::print(b);
}
}
}
{
final synthesized dynamic #7#0 = o;
synthesized self::B #7#2;
synthesized core::bool #7#2#isSet = false;
{
hoisted self::B b;
hoisted self::C c;
if(#7#0 is self::A && (let final dynamic #t2 = b = #7#2#isSet ?{self::B} #7#2{self::B} : let final dynamic #t3 = #7#2#isSet = true in #7#2 = #7#0{self::A}.{self::A::b}{self::B} in true) && #C1 =={core::num::==}{(core::Object) → core::bool} #7#0{self::A}.{self::A::i}{core::int} && ((let final dynamic #t4 = c = (#7#2#isSet ?{self::B} #7#2{self::B} : let final dynamic #t5 = #7#2#isSet = true in #7#2 = #7#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C} in true) && #C2 =={core::num::==}{(core::Object) → core::bool} (#7#2#isSet ?{self::B} #7#2{self::B} : let final dynamic #t6 = #7#2#isSet = true in #7#2 = #7#0{self::A}.{self::A::b}{self::B}).{self::B::i}{core::int})) {
core::print(b);
core::print(c);
}
}
}
}
static method switchExpression(dynamic o) → dynamic
return block {
core::Object? #t7;
final synthesized dynamic #0#0 = o;
synthesized self::B #0#2;
synthesized core::bool #0#2#isSet = false;
synthesized self::C #0#3;
synthesized core::bool #0#3#isSet = false;
synthesized core::int #0#5;
synthesized core::bool #0#5#isSet = false;
synthesized core::bool #0#7;
synthesized core::bool #0#7#isSet = false;
#L1:
{
{
hoisted self::A a;
if(#0#0 is self::A) {
a = #0#0{self::A};
#t7 = a;
break #L1;
}
}
{
hoisted self::B b;
if(#0#0 is self::A) {
b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t8 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B};
#t7 = b;
break #L1;
}
}
{
hoisted self::C c;
if(#0#0 is self::A) {
c = #0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t9 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t10 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C};
#t7 = c;
break #L1;
}
}
{
hoisted core::int i;
if(#0#0 is self::A) {
i = (#0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t11 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t12 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C}).{self::C::i}{core::int};
#t7 = i;
break #L1;
}
}
{
hoisted self::B b;
hoisted core::int i;
if(#0#0 is self::A) {
b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t13 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B};
i = #0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t14 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int};
#t7 = "${b}${i}";
break #L1;
}
}
{
hoisted self::B b;
if(#0#0 is self::A && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t15 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t16 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int}))) {
b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t17 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B};
#t7 = b;
break #L1;
}
}
{
hoisted self::B b;
if(#0#0 is self::A && (let final dynamic #t18 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t19 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true) && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t20 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t21 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int}))) {
#t7 = b;
break #L1;
}
}
{
hoisted self::B b;
hoisted self::C c;
if(#0#0 is self::A && (let final dynamic #t22 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t23 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true) && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t24 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t25 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int})) && ((let final dynamic #t26 = c = #0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t27 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t28 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C} in true) && #C2 =={core::num::==}{(core::Object) → core::bool} (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t29 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::i}{core::int})) {
#t7 = "${b}${c}";
break #L1;
}
}
{
if(true) {
#t7 = null;
break #L1;
}
}
}
} =>#t7;
static method switchStatement(dynamic o) → dynamic {
dynamic v;
#L2:
{
final synthesized dynamic #0#0 = o;
synthesized self::B #0#2;
synthesized core::bool #0#2#isSet = false;
synthesized self::C #0#3;
synthesized core::bool #0#3#isSet = false;
synthesized core::int #0#5;
synthesized core::bool #0#5#isSet = false;
synthesized core::bool #0#7;
synthesized core::bool #0#7#isSet = false;
{
hoisted self::A a;
if(#0#0 is self::A && (let final dynamic #t30 = a = #0#0{self::A} in true)) {
{
v = a;
break #L2;
}
}
}
{
hoisted self::B b;
if(#0#0 is self::A && (let final dynamic #t31 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t32 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true)) {
{
v = b;
break #L2;
}
}
}
{
hoisted self::C c;
if(#0#0 is self::A && (let final dynamic #t33 = c = #0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t34 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t35 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C} in true)) {
{
v = c;
break #L2;
}
}
}
{
hoisted core::int i;
if(#0#0 is self::A && (let final dynamic #t36 = i = (#0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t37 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t38 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C}).{self::C::i}{core::int} in true)) {
{
v = i;
break #L2;
}
}
}
{
hoisted self::B b;
hoisted core::int i;
if(#0#0 is self::A && (let final dynamic #t39 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t40 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true) && (let final dynamic #t41 = i = #0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t42 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int} in true)) {
{
v = "${b}${i}";
break #L2;
}
}
}
{
hoisted self::B b;
if(#0#0 is self::A && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t43 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t44 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int})) && (let final dynamic #t45 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t46 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true)) {
{
v = b;
break #L2;
}
}
}
{
hoisted self::B b;
if(#0#0 is self::A && (let final dynamic #t47 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t48 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true) && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t49 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t50 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int}))) {
{
v = b;
break #L2;
}
}
}
{
hoisted self::B b;
hoisted self::C c;
if(#0#0 is self::A && (let final dynamic #t51 = b = #0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t52 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B} in true) && (#0#7#isSet ?{core::bool} #0#7{core::bool} : let final dynamic #t53 = #0#7#isSet = true in #0#7 = #C1 =={core::num::==}{(core::Object) → core::bool} (#0#5#isSet ?{core::int} #0#5{core::int} : let final dynamic #t54 = #0#5#isSet = true in #0#5 = #0#0{self::A}.{self::A::i}{core::int})) && ((let final dynamic #t55 = c = #0#3#isSet ?{self::C} #0#3{self::C} : let final dynamic #t56 = #0#3#isSet = true in #0#3 = (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t57 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::c}{self::C} in true) && #C2 =={core::num::==}{(core::Object) → core::bool} (#0#2#isSet ?{self::B} #0#2{self::B} : let final dynamic #t58 = #0#2#isSet = true in #0#2 = #0#0{self::A}.{self::A::b}{self::B}).{self::B::i}{core::int})) {
{
v = "${b}${c}";
}
}
}
}
return v;
}
constants {
#C1 = 5
#C2 = 7
}
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