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>
54 lines
1.9 KiB
Plaintext
54 lines
1.9 KiB
Plaintext
library;
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//
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// Problems in library:
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//
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// pkg/front_end/testcases/patterns/extension_object_pattern.dart:13:27: Error: The type 'int' is not exhaustively matched by the switch cases since it doesn't match 'int(getter: double())'.
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// Try adding a wildcard pattern or cases that match 'int(getter: double())'.
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// method2(int i) => switch (i) /* Error */ {
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// ^
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//
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import self as self;
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import "dart:core" as core;
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extension Extension on core::int {
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get getter = self::Extension|get#getter;
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}
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static extension-member method Extension|get#getter(lowered final core::int #this) → core::num
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return #this;
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static method method1(core::int i) → dynamic
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return block {
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core::int #t1;
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final synthesized core::int #0#0 = i;
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synthesized core::num #0#1;
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synthesized core::bool #0#1#isSet = false;
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#L1:
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{
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{
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hoisted core::num getter;
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if((#0#1#isSet ?{core::num} #0#1{core::num} : let final dynamic #t2 = #0#1#isSet = true in #0#1 = self::Extension|get#getter(#0#0)) is core::num) {
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getter = #0#1#isSet ?{core::num} #0#1{core::num} : let final dynamic #t3 = #0#1#isSet = true in #0#1 = self::Extension|get#getter(#0#0);
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#t1 = 0;
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break #L1;
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}
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}
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}
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} =>#t1;
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static method method2(core::int i) → dynamic
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return block {
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core::int #t4;
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final synthesized core::int #0#0 = i;
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synthesized core::num #0#1;
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synthesized core::bool #0#1#isSet = false;
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#L2:
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{
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{
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hoisted core::int getter;
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if((#0#1#isSet ?{core::num} #0#1{core::num} : let final dynamic #t5 = #0#1#isSet = true in #0#1 = self::Extension|get#getter(#0#0)) is core::int) {
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getter = (#0#1#isSet ?{core::num} #0#1{core::num} : let final dynamic #t6 = #0#1#isSet = true in #0#1 = self::Extension|get#getter(#0#0)) as{Unchecked} core::int;
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#t4 = 0;
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break #L2;
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}
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}
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}
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} =>#t4;
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