Johnni Winther
13c4ad23c5
This adds the static type of the switch statement expression to the AST to better support optimizations based on the possible runtime values of the switch expression. TEST=existing Change-Id: Ief35b687150401100d8c96721a026e9f0911b3b4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/301063 Reviewed-by: Alexander Markov <alexmarkov@google.com> Commit-Queue: Johnni Winther <johnniwinther@google.com> Reviewed-by: Jens Johansen <jensj@google.com> Reviewed-by: Mayank Patke <fishythefish@google.com>
110 lines
2.5 KiB
Plaintext
110 lines
2.5 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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class Const<T extends core::Object? = dynamic> extends core::Object /*hasConstConstructor*/ {
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final field self::Const::T% value;
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const constructor •(self::Const::T% value) → self::Const<self::Const::T%>
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: self::Const::value = value, super core::Object::•()
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;
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}
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static method main() → dynamic {
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self::test(42, false);
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self::test(<core::int>[42], false);
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self::test(<core::num>[42], false);
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self::test(<core::int, core::String>{42: "foo"}, false);
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self::test(<core::num, core::Object>{42: "foo"}, false);
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self::test(new self::Const::•<core::int>(42), false);
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self::test(new self::Const::•<core::num>(42), false);
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self::test(#C2, true);
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self::test(#C3, true);
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self::test(#C4, true);
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self::test(#C5, true);
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self::test(#C7, true);
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self::test(#C8, true);
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self::test(#C9, true);
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self::test(#C10, true);
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}
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static method test(dynamic value, core::bool expected) → void {
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core::bool matched;
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#L1:
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switch(value) /* dynamic */ {
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#L2:
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case #C2:
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{
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matched = true;
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break #L1;
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}
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#L3:
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case #C3:
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{
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matched = true;
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break #L1;
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}
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#L4:
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case #C4:
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{
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matched = true;
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break #L1;
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}
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#L5:
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case #C5:
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{
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matched = true;
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break #L1;
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}
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#L6:
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case #C7:
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{
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matched = true;
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break #L1;
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}
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#L7:
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case #C8:
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{
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matched = true;
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break #L1;
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}
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#L8:
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case #C9:
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{
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matched = true;
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break #L1;
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}
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#L9:
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case #C10:
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{
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matched = true;
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break #L1;
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}
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#L10:
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default:
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{
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matched = false;
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break #L1;
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}
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}
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if(!(matched =={core::Object::==}{(core::Object) → core::bool} expected)) {
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core::print("FAIL: ${value} ${matched ?{core::String} "matched" : "didn't match"}");
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}
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}
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constants {
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#C1 = 42
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#C2 = <core::int*>[#C1]
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#C3 = <core::num*>[#C1]
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#C4 = <core::int*>{#C1}
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#C5 = <core::num*>{#C1}
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#C6 = "foo"
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#C7 = <core::int*, core::String*>{#C1:#C6}
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#C8 = <core::num*, core::Object*>{#C1:#C6}
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#C9 = self::Const<core::int*> {value:#C1}
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#C10 = self::Const<core::num*> {value:#C1}
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}
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Constructor coverage from constants:
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org-dartlang-testcase:///constant_pattern_in_switch.dart:
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- Const. (from org-dartlang-testcase:///constant_pattern_in_switch.dart:8:9)
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- Object. (from org-dartlang-sdk:///sdk/lib/core/object.dart)
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