Johnni Winther
c6347389d2
This moves pattern variable assignments of fully matched expressions into the case body. This will help backends (dart2js in particular) to reason about the code flow. Closes #54115 Change-Id: I598a384a829f16e91ab2d6a309499cf20b9cc121 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/339122 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Jens Johansen <jensj@google.com>
63 lines
3.2 KiB
Plaintext
63 lines
3.2 KiB
Plaintext
library;
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import self as self;
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import "dart:core" as core;
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abstract class Foo extends core::Object {
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synthetic constructor •() → self::Foo
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: super core::Object::•()
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;
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abstract get a() → core::int;
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abstract get b() → core::num;
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abstract get c() → core::num;
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}
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static method method1(dynamic o) → dynamic {
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{
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hoisted core::int a;
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hoisted core::int b;
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final synthesized dynamic #0#0 = o;
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synthesized core::num #0#3;
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synthesized core::bool #0#3#isSet = false;
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if(#0#0 is self::Foo && (let final dynamic #t1 = a = #0#0{self::Foo}.{self::Foo::a}{core::int} in true) && (#0#3#isSet ?{core::num} #0#3{core::num} : let final dynamic #t2 = #0#3#isSet = true in #0#3 = #0#0{self::Foo}.{self::Foo::b}{core::num}) is core::int) {
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b = (#0#3#isSet ?{core::num} #0#3{core::num} : let final dynamic #t3 = #0#3#isSet = true in #0#3 = #0#0{self::Foo}.{self::Foo::b}{core::num}) as{Unchecked} core::int;
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{
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core::print(a.{core::num::+}(b){(core::num) → core::int});
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}
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}
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}
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}
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static method method2(dynamic o) → dynamic {
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{
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hoisted core::int a;
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hoisted core::num b;
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hoisted core::int c;
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final synthesized dynamic #0#0 = o;
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synthesized core::num #0#4;
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synthesized core::bool #0#4#isSet = false;
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if(#0#0 is self::Foo && (let final dynamic #t4 = a = #0#0{self::Foo}.{self::Foo::a}{core::int} in true) && (let final dynamic #t5 = b = #0#0{self::Foo}.{self::Foo::b}{core::num} in true) && (#0#4#isSet ?{core::num} #0#4{core::num} : let final dynamic #t6 = #0#4#isSet = true in #0#4 = #0#0{self::Foo}.{self::Foo::c}{core::num}) is core::int) {
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c = (#0#4#isSet ?{core::num} #0#4{core::num} : let final dynamic #t7 = #0#4#isSet = true in #0#4 = #0#0{self::Foo}.{self::Foo::c}{core::num}) as{Unchecked} core::int;
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{
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core::print(a.{core::num::+}(b){(core::num) → core::num}.{core::num::+}(c){(core::num) → core::num});
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}
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}
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}
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}
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static method method3(dynamic o) → dynamic {
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{
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hoisted core::int a;
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hoisted core::bool isEven;
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hoisted core::int c;
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final synthesized dynamic #0#0 = o;
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synthesized core::num #0#3;
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synthesized core::bool #0#3#isSet = false;
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synthesized core::num #0#6;
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synthesized core::bool #0#6#isSet = false;
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if(#0#0 is self::Foo && (let final dynamic #t8 = a = #0#0{self::Foo}.{self::Foo::a}{core::int} in true) && ((#0#3#isSet ?{core::num} #0#3{core::num} : let final dynamic #t9 = #0#3#isSet = true in #0#3 = #0#0{self::Foo}.{self::Foo::b}{core::num}) is core::int && (let final dynamic #t10 = isEven = ((#0#3#isSet ?{core::num} #0#3{core::num} : let final dynamic #t11 = #0#3#isSet = true in #0#3 = #0#0{self::Foo}.{self::Foo::b}{core::num}) as{Unchecked} core::int).{core::int::isEven}{core::bool} in true)) && (#0#6#isSet ?{core::num} #0#6{core::num} : let final dynamic #t12 = #0#6#isSet = true in #0#6 = #0#0{self::Foo}.{self::Foo::c}{core::num}) is core::int) {
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c = (#0#6#isSet ?{core::num} #0#6{core::num} : let final dynamic #t13 = #0#6#isSet = true in #0#6 = #0#0{self::Foo}.{self::Foo::c}{core::num}) as{Unchecked} core::int;
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{
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core::print(a.{core::num::+}(c){(core::num) → core::int});
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core::print(isEven);
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}
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}
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}
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}
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