Johnni Winther
5d44b804cd
This changes the lowering of switch expressions and pattern switch statements without continue to only use if-then-else Change-Id: I3bcbb634ec3153a117c4bd6692a276c1c26e648d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/279964 Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Chloe Stefantsova <cstefantsova@google.com>
107 lines
6.7 KiB
Plaintext
107 lines
6.7 KiB
Plaintext
library /*isNonNullableByDefault*/;
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import self as self;
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import "dart:core" as core;
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static method test(dynamic o, [dynamic expectedRest = #C1]) → dynamic {
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#L1:
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{
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core::List<dynamic> rest;
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core::List<dynamic> rest';
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core::List<dynamic> rest'';
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core::List<dynamic> rest''';
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final dynamic #0#0 = o;
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late final core::int #0#2 = #0#0{core::List<dynamic>}.{core::List::length}{core::int};
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late final core::bool #0#4 = #0#2.{core::num::>=}(#C2){(core::num) → core::bool};
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late final dynamic #0#6 = #0#0{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic};
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late final dynamic #0#9 = #0#0{core::List<dynamic>}.{core::List::[]}(1){(core::int) → dynamic};
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late final dynamic #0#14 = #0#0{core::List<dynamic>}.{core::List::[]}(#0#2.{core::num::-}(1){(core::num) → core::int}){(core::int) → dynamic};
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late final core::bool #0#28 = #0#2.{core::num::>=}(#C3){(core::num) → core::bool};
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late final core::List<dynamic> #0#34 = #0#0{core::List<dynamic>}.{core::List::sublist}(2, #0#2.{core::num::-}(2){(core::num) → core::int}){(core::int, [core::int?]) → core::List<dynamic>};
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late final dynamic #0#35 = #0#0{core::List<dynamic>}.{core::List::[]}(#0#2.{core::num::-}(2){(core::num) → core::int}){(core::int) → dynamic};
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late final core::int #0#44 = #0#34.{core::List::length}{core::int};
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#4 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && #C5 =={core::num::==}{(core::Object) → core::bool} #0#9) {
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{
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return 0;
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}
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}
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else
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#4 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && #C5 =={core::num::==}{(core::Object) → core::bool} #0#14) {
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{
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return 1;
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}
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}
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else
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#4 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && #C2 =={core::num::==}{(core::Object) → core::bool} #0#9 && (let final dynamic #t1 = rest = #0#0{core::List<dynamic>}.{core::List::sublist}(2){(core::int, [core::int?]) → core::List<dynamic>} in true)) {
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{
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self::expect(expectedRest, rest);
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return 2;
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}
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}
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else
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#4 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && (let final dynamic #t2 = rest' = #0#0{core::List<dynamic>}.{core::List::sublist}(1, #0#2.{core::num::-}(1){(core::num) → core::int}){(core::int, [core::int?]) → core::List<dynamic>} in true) && #C2 =={core::num::==}{(core::Object) → core::bool} #0#14) {
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{
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self::expect(expectedRest, rest');
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return 3;
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}
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}
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else
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#28 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && #C3 =={core::num::==}{(core::Object) → core::bool} #0#9 && (let final dynamic #t3 = rest'' = #0#34 in true) && #C2 =={core::num::==}{(core::Object) → core::bool} #0#35 && #C6 =={core::num::==}{(core::Object) → core::bool} #0#14) {
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{
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self::expect(expectedRest, rest'');
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return 4;
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}
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}
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else
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if(#0#0 is{ForNonNullableByDefault} core::List<dynamic> && #0#28 && #C4 =={core::num::==}{(core::Object) → core::bool} #0#6 && #C7 =={core::num::==}{(core::Object) → core::bool} #0#9 && (#0#44.{core::num::>=}(#C2){(core::num) → core::bool} && #C5 =={core::num::==}{(core::Object) → core::bool} #0#34.{core::List::[]}(0){(core::int) → dynamic} && (let final dynamic #t4 = rest''' = #0#34.{core::List::sublist}(1, #0#44.{core::num::-}(1){(core::num) → core::int}){(core::int, [core::int?]) → core::List<dynamic>} in true) && #C2 =={core::num::==}{(core::Object) → core::bool} #0#34.{core::List::[]}(#0#44.{core::num::-}(1){(core::num) → core::int}){(core::int) → dynamic}) && #C2 =={core::num::==}{(core::Object) → core::bool} #0#35 && #C6 =={core::num::==}{(core::Object) → core::bool} #0#14) {
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{
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self::expect(expectedRest, rest''');
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return 5;
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}
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}
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}
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}
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static method main() → dynamic {
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self::expect(0, self::test(<core::int>[0, 1]));
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self::expect(0, self::test(<core::int>[0, 1, 2]));
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self::expect(1, self::test(<core::int>[0, 2, 1]));
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self::expect(1, self::test(<core::int>[0, 2, 3, 1]));
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self::expect(2, self::test(<core::int>[0, 2], <dynamic>[]));
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self::expect(2, self::test(<core::int>[0, 2, 2], <core::int>[2]));
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self::expect(2, self::test(<core::int>[0, 2, 3], <core::int>[3]));
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self::expect(2, self::test(<core::int>[0, 2, 3, 4], <core::int>[3, 4]));
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self::expect(3, self::test(<core::int>[0, 3, 4, 2], <core::int>[3, 4]));
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self::expect(3, self::test(<core::int>[0, 3, 4, 5, 2], <core::int>[3, 4, 5]));
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self::expect(4, self::test(<core::int>[0, 4, 2, 3], <dynamic>[]));
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self::expect(4, self::test(<core::int>[0, 4, 2, 2, 3], <core::int>[2]));
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self::expect(4, self::test(<core::int>[0, 4, 2, 3, 2, 3], <core::int>[2, 3]));
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self::expect(null, self::test(<core::int>[0, 5, 3, 2, 3]));
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self::expect(null, self::test(<core::Object>[0, 5, <dynamic>[], 2, 3]));
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self::expect(null, self::test(<core::Object>[0, 5, <core::int>[0, 1], 2, 3]));
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self::expect(5, self::test(<core::int>[0, 5, 1, 2, 2, 3], <dynamic>[]));
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self::expect(5, self::test(<core::int>[0, 5, 1, 3, 2, 2, 3], <core::int>[3]));
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}
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static method expect(dynamic expected, dynamic actual) → dynamic {
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if(expected is{ForNonNullableByDefault} core::List<dynamic> && actual is{ForNonNullableByDefault} core::List<dynamic>) {
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if(expected{core::List<dynamic>}.{core::List::length}{core::int} =={core::num::==}{(core::Object) → core::bool} actual{core::List<dynamic>}.{core::List::length}{core::int}) {
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for (core::int i = 0; i.{core::num::<}(expected{core::List<dynamic>}.{core::List::length}{core::int}){(core::num) → core::bool}; i = i.{core::num::+}(1){(core::num) → core::int}) {
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if(!(expected{core::List<dynamic>}.{core::List::[]}(i){(core::int) → dynamic} =={core::Object::==}{(core::Object) → core::bool} actual{core::List<dynamic>}.{core::List::[]}(i){(core::int) → dynamic})) {
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throw "Expected ${expected{core::List<dynamic>}.{core::List::[]}(i){(core::int) → dynamic}}, actual ${actual{core::List<dynamic>}.{core::List::[]}(i){(core::int) → dynamic}} @ index ${i}";
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}
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}
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return;
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}
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}
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if(!(expected =={core::Object::==}{(core::Object) → core::bool} actual))
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throw "Expected ${expected}, actual ${actual}";
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}
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constants {
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#C1 = null
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#C2 = 2
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#C3 = 4
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#C4 = 0
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#C5 = 1
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#C6 = 3
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#C7 = 5
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}
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