[CFE] Better error messages on errors with user definable operators
Fixes #36383
Change-Id: I24fd51bdb3ead75973009fe515819f9c8354e1b0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/98332
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>
diff --git a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
index 2a9f6e4..828f7a4 100644
--- a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
+++ b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
@@ -7208,6 +7208,27 @@
message: r"""Can't assign to this.""");
// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(Token token)> templateNotBinaryOperator =
+ const Template<Message Function(Token token)>(
+ messageTemplate: r"""'#lexeme' isn't a binary operator.""",
+ withArguments: _withArgumentsNotBinaryOperator);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(Token token)> codeNotBinaryOperator =
+ const Code<Message Function(Token token)>(
+ "NotBinaryOperator",
+ templateNotBinaryOperator,
+);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsNotBinaryOperator(Token token) {
+ String lexeme = token.lexeme;
+ return new Message(codeNotBinaryOperator,
+ message: """'${lexeme}' isn't a binary operator.""",
+ arguments: {'token': token});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
const Template<Message Function(String string)> templateNotConstantExpression =
const Template<Message Function(String string)>(
messageTemplate: r"""#string is not a constant expression.""",
diff --git a/pkg/front_end/lib/src/fasta/kernel/body_builder.dart b/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
index c49a9f9..203386b 100644
--- a/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/body_builder.dart
@@ -45,7 +45,8 @@
import '../scanner.dart' show Token;
-import '../scanner/token.dart' show isBinaryOperator, isMinusOperator;
+import '../scanner/token.dart'
+ show isBinaryOperator, isMinusOperator, isUserDefinableOperator;
import '../scope.dart' show ProblemBuilder;
@@ -1383,8 +1384,15 @@
negate = true;
}
if (!isBinaryOperator(operator) && !isMinusOperator(operator)) {
- return buildProblem(fasta.templateInvalidOperator.withArguments(token),
- token.charOffset, token.length);
+ if (isUserDefinableOperator(operator)) {
+ return buildProblem(
+ fasta.templateNotBinaryOperator.withArguments(token),
+ token.charOffset,
+ token.length);
+ } else {
+ return buildProblem(fasta.templateInvalidOperator.withArguments(token),
+ token.charOffset, token.length);
+ }
} else {
Expression result = buildMethodInvocation(a, new Name(operator),
forest.arguments(<Expression>[b], noLocation), token.charOffset,
diff --git a/pkg/front_end/messages.status b/pkg/front_end/messages.status
index a522fea..5a1995a 100644
--- a/pkg/front_end/messages.status
+++ b/pkg/front_end/messages.status
@@ -292,6 +292,7 @@
NotAConstantExpression/example: Fail
NotAType/example: Fail
NotAnLvalue/example: Fail
+NotBinaryOperator/analyzerCode: Fail
NotConstantExpression/example: Fail
OperatorMinusParameterMismatch/example: Fail
OperatorParameterMismatch0/analyzerCode: Fail
diff --git a/pkg/front_end/messages.yaml b/pkg/front_end/messages.yaml
index 34f3c6f..558bd5b 100644
--- a/pkg/front_end/messages.yaml
+++ b/pkg/front_end/messages.yaml
@@ -2476,6 +2476,16 @@
script:
- "class C { void operator %=(x) {} }"
+NotBinaryOperator:
+ template: "'#lexeme' isn't a binary operator."
+ script: >
+ class C { operator~() { return null; } }
+
+ main() {
+ C c = new C();
+ print(c ~ 2);
+ }
+
OperatorParameterMismatch0:
template: "Operator '#name' shouldn't have any parameters."
diff --git a/pkg/front_end/testcases/legacy.status b/pkg/front_end/testcases/legacy.status
index 1d9a60c..2489f9f 100644
--- a/pkg/front_end/testcases/legacy.status
+++ b/pkg/front_end/testcases/legacy.status
@@ -36,6 +36,7 @@
micro: Fail # External method marked abstract.
minimum_int: Crash # Min int literal not supported in non-strong mode.
named_parameters: Fail # Missing types and unnecessary default values.
+operator_method_not_found: RuntimeError # Expected
optional: Fail # Unnecessary default values.
rasta/abstract_constructor: Fail
rasta/bad_constructor_redirection: Fail
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart b/pkg/front_end/testcases/operator_method_not_found.dart
new file mode 100644
index 0000000..c54c358
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart
@@ -0,0 +1,55 @@
+// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+class Foo {
+}
+
+main() {
+ Foo foo = new Foo();
+
+ // Not defined, but given right arity.
+ print(foo < 2);
+ print(foo > 2);
+ print(foo <= 2);
+ print(foo >= 2);
+ print(foo == 2);
+ print(foo - 2);
+ print(foo + 2);
+ print(foo / 2);
+ print(foo ~/ 2);
+ print(foo * 2);
+ print(foo % 2);
+ print(foo | 2);
+ print(foo ^ 2);
+ print(foo & 2);
+ print(foo << 2);
+ print(foo >> 2);
+ // print(foo >>> 2); // triple shift not enabled by default at the moment.
+ print(foo[2] = 2);
+ print(foo[2]);
+ print(~foo);
+ print(-foo);
+
+ // Not defined, and given wrong arity.
+ // Should be binary.
+ print(<foo);
+ print(>foo);
+ print(<=foo);
+ print(>=foo);
+ print(==foo);
+ print(+foo);
+ print(/foo);
+ print(~/foo);
+ print(*foo);
+ print(%foo);
+ print(|foo);
+ print(^foo);
+ print(&foo);
+ print(<<foo);
+ print(>>foo);
+ // print(>>>foo); // triple shift not enabled by default at the moment.
+
+ // Should be unary.
+ print(foo ~ 2);
+}
\ No newline at end of file
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.hierarchy.expect b/pkg/front_end/testcases/operator_method_not_found.dart.hierarchy.expect
new file mode 100644
index 0000000..6dc6110
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.hierarchy.expect
@@ -0,0 +1,36 @@
+Object:
+ superclasses:
+ interfaces:
+ classMembers:
+ Object._haveSameRuntimeType
+ Object.toString
+ Object.runtimeType
+ Object._toString
+ Object._simpleInstanceOf
+ Object._hashCodeRnd
+ Object._instanceOf
+ Object.noSuchMethod
+ Object._objectHashCode
+ Object._identityHashCode
+ Object.hashCode
+ Object._simpleInstanceOfFalse
+ Object._simpleInstanceOfTrue
+ Object.==
+ classSetters:
+
+Foo:
+ superclasses:
+ Object
+ interfaces:
+ classMembers:
+ Object.toString
+ Object.runtimeType
+ Object._simpleInstanceOf
+ Object._instanceOf
+ Object.noSuchMethod
+ Object._identityHashCode
+ Object.hashCode
+ Object._simpleInstanceOfFalse
+ Object._simpleInstanceOfTrue
+ Object.==
+ classSetters:
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.legacy.expect b/pkg/front_end/testcases/operator_method_not_found.dart.legacy.expect
new file mode 100644
index 0000000..0abf9ef
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.legacy.expect
@@ -0,0 +1,154 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: Expected '>' after this.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:13: Error: Expected '[' before this.
+// print(<foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Warning: 'foo' isn't a type.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: Expected an identifier, but got '>'.
+// print(>foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: Expected an identifier, but got '<='.
+// print(<=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: Expected an identifier, but got '>='.
+// print(>=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: Expected an identifier, but got '=='.
+// print(==foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// print(+foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: Expected an identifier, but got '/'.
+// print(/foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: Expected an identifier, but got '~/'.
+// print(~/foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: Expected an identifier, but got '*'.
+// print(*foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: Expected an identifier, but got '%'.
+// print(%foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: Expected an identifier, but got '|'.
+// print(|foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: Expected an identifier, but got '^'.
+// print(^foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: Expected an identifier, but got '&'.
+// print(&foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: Expected an identifier, but got '<<'.
+// print(<<foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: Expected an identifier, but got '>>'.
+// print(>>foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+// print(foo ~ 2);
+// ^
+//
+import self as self;
+import "dart:core" as core;
+
+class Foo extends core::Object {
+ synthetic constructor •() → self::Foo
+ : super core::Object::•()
+ ;
+}
+static method main() → dynamic {
+ self::Foo foo = new self::Foo::•();
+ core::print(foo.<(2));
+ core::print(foo.>(2));
+ core::print(foo.<=(2));
+ core::print(foo.>=(2));
+ core::print(foo.==(2));
+ core::print(foo.-(2));
+ core::print(foo.+(2));
+ core::print(foo./(2));
+ core::print(foo.~/(2));
+ core::print(foo.*(2));
+ core::print(foo.%(2));
+ core::print(foo.|(2));
+ core::print(foo.^(2));
+ core::print(foo.&(2));
+ core::print(foo.<<(2));
+ core::print(foo.>>(2));
+ core::print(let final dynamic #t1 = foo in let final dynamic #t2 = 2 in let final dynamic #t3 = 2 in let final dynamic #t4 = #t1.[]=(#t2, #t3) in #t3);
+ core::print(foo.[](2));
+ core::print(foo.~());
+ core::print(foo.unary-());
+ core::print(<invalid-type>[]);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: This couldn't be parsed.
+ print(>foo);
+ ^".>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: This couldn't be parsed.
+ print(<=foo);
+ ^".<=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: This couldn't be parsed.
+ print(>=foo);
+ ^".>=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: This couldn't be parsed.
+ print(==foo);
+ ^".==(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: This couldn't be parsed.
+ print(+foo);
+ ^".+(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: This couldn't be parsed.
+ print(/foo);
+ ^"./(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: This couldn't be parsed.
+ print(~/foo);
+ ^".~/(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: This couldn't be parsed.
+ print(*foo);
+ ^".*(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: This couldn't be parsed.
+ print(%foo);
+ ^".%(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: This couldn't be parsed.
+ print(|foo);
+ ^".|(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: This couldn't be parsed.
+ print(^foo);
+ ^".^(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: This couldn't be parsed.
+ print(&foo);
+ ^".&(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: This couldn't be parsed.
+ print(<<foo);
+ ^".<<(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: This couldn't be parsed.
+ print(>>foo);
+ ^".>>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+ print(foo ~ 2);
+ ^");
+}
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.legacy.transformed.expect b/pkg/front_end/testcases/operator_method_not_found.dart.legacy.transformed.expect
new file mode 100644
index 0000000..0abf9ef
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.legacy.transformed.expect
@@ -0,0 +1,154 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: Expected '>' after this.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:13: Error: Expected '[' before this.
+// print(<foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Warning: 'foo' isn't a type.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: Expected an identifier, but got '>'.
+// print(>foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: Expected an identifier, but got '<='.
+// print(<=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: Expected an identifier, but got '>='.
+// print(>=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: Expected an identifier, but got '=='.
+// print(==foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// print(+foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: Expected an identifier, but got '/'.
+// print(/foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: Expected an identifier, but got '~/'.
+// print(~/foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: Expected an identifier, but got '*'.
+// print(*foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: Expected an identifier, but got '%'.
+// print(%foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: Expected an identifier, but got '|'.
+// print(|foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: Expected an identifier, but got '^'.
+// print(^foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: Expected an identifier, but got '&'.
+// print(&foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: Expected an identifier, but got '<<'.
+// print(<<foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: Expected an identifier, but got '>>'.
+// print(>>foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+// print(foo ~ 2);
+// ^
+//
+import self as self;
+import "dart:core" as core;
+
+class Foo extends core::Object {
+ synthetic constructor •() → self::Foo
+ : super core::Object::•()
+ ;
+}
+static method main() → dynamic {
+ self::Foo foo = new self::Foo::•();
+ core::print(foo.<(2));
+ core::print(foo.>(2));
+ core::print(foo.<=(2));
+ core::print(foo.>=(2));
+ core::print(foo.==(2));
+ core::print(foo.-(2));
+ core::print(foo.+(2));
+ core::print(foo./(2));
+ core::print(foo.~/(2));
+ core::print(foo.*(2));
+ core::print(foo.%(2));
+ core::print(foo.|(2));
+ core::print(foo.^(2));
+ core::print(foo.&(2));
+ core::print(foo.<<(2));
+ core::print(foo.>>(2));
+ core::print(let final dynamic #t1 = foo in let final dynamic #t2 = 2 in let final dynamic #t3 = 2 in let final dynamic #t4 = #t1.[]=(#t2, #t3) in #t3);
+ core::print(foo.[](2));
+ core::print(foo.~());
+ core::print(foo.unary-());
+ core::print(<invalid-type>[]);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: This couldn't be parsed.
+ print(>foo);
+ ^".>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: This couldn't be parsed.
+ print(<=foo);
+ ^".<=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: This couldn't be parsed.
+ print(>=foo);
+ ^".>=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: This couldn't be parsed.
+ print(==foo);
+ ^".==(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: This couldn't be parsed.
+ print(+foo);
+ ^".+(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: This couldn't be parsed.
+ print(/foo);
+ ^"./(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: This couldn't be parsed.
+ print(~/foo);
+ ^".~/(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: This couldn't be parsed.
+ print(*foo);
+ ^".*(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: This couldn't be parsed.
+ print(%foo);
+ ^".%(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: This couldn't be parsed.
+ print(|foo);
+ ^".|(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: This couldn't be parsed.
+ print(^foo);
+ ^".^(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: This couldn't be parsed.
+ print(&foo);
+ ^".&(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: This couldn't be parsed.
+ print(<<foo);
+ ^".<<(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: This couldn't be parsed.
+ print(>>foo);
+ ^".>>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+ print(foo ~ 2);
+ ^");
+}
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.outline.expect b/pkg/front_end/testcases/operator_method_not_found.dart.outline.expect
new file mode 100644
index 0000000..7835c54
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.outline.expect
@@ -0,0 +1,10 @@
+library;
+import self as self;
+import "dart:core" as core;
+
+class Foo extends core::Object {
+ synthetic constructor •() → self::Foo
+ ;
+}
+static method main() → dynamic
+ ;
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.strong.expect b/pkg/front_end/testcases/operator_method_not_found.dart.strong.expect
new file mode 100644
index 0000000..ec89d36
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.strong.expect
@@ -0,0 +1,344 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: Expected '>' after this.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:13: Error: Expected '[' before this.
+// print(<foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: 'foo' isn't a type.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: Expected an identifier, but got '>'.
+// print(>foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: Expected an identifier, but got '<='.
+// print(<=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: Expected an identifier, but got '>='.
+// print(>=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: Expected an identifier, but got '=='.
+// print(==foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// print(+foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: Expected an identifier, but got '/'.
+// print(/foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: Expected an identifier, but got '~/'.
+// print(~/foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: Expected an identifier, but got '*'.
+// print(*foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: Expected an identifier, but got '%'.
+// print(%foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: Expected an identifier, but got '|'.
+// print(|foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: Expected an identifier, but got '^'.
+// print(^foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: Expected an identifier, but got '&'.
+// print(&foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: Expected an identifier, but got '<<'.
+// print(<<foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: Expected an identifier, but got '>>'.
+// print(>>foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+// print(foo ~ 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:12:13: Error: The method '<' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<'.
+// print(foo < 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:13:13: Error: The method '>' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>'.
+// print(foo > 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:14:13: Error: The method '<=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<='.
+// print(foo <= 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:15:13: Error: The method '>=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>='.
+// print(foo >= 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:17:13: Error: The method '-' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '-'.
+// print(foo - 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:18:13: Error: The method '+' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '+'.
+// print(foo + 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:19:13: Error: The method '/' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '/'.
+// print(foo / 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:20:13: Error: The method '~/' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '~/'.
+// print(foo ~/ 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:21:13: Error: The method '*' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '*'.
+// print(foo * 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:22:13: Error: The method '%' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '%'.
+// print(foo % 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:23:13: Error: The method '|' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '|'.
+// print(foo | 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:24:13: Error: The method '^' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '^'.
+// print(foo ^ 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:25:13: Error: The method '&' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '&'.
+// print(foo & 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:26:13: Error: The method '<<' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<<'.
+// print(foo << 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:27:13: Error: The method '>>' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>>'.
+// print(foo >> 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:29:12: Error: The method '[]=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '[]='.
+// print(foo[2] = 2);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:30:12: Error: The method '[]' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '[]'.
+// print(foo[2]);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:31:9: Error: The method '~' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '~'.
+// print(~foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:32:9: Error: The method 'unary-' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named 'unary-'.
+// print(-foo);
+// ^
+//
+import self as self;
+import "dart:core" as core;
+
+class Foo extends core::Object {
+ synthetic constructor •() → self::Foo
+ : super core::Object::•()
+ ;
+}
+static method main() → dynamic {
+ self::Foo foo = new self::Foo::•();
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:12:13: Error: The method '<' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<'.
+ print(foo < 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:13:13: Error: The method '>' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>'.
+ print(foo > 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:14:13: Error: The method '<=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<='.
+ print(foo <= 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:15:13: Error: The method '>=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>='.
+ print(foo >= 2);
+ ^^");
+ core::print(foo.{core::Object::==}(2));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:17:13: Error: The method '-' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '-'.
+ print(foo - 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:18:13: Error: The method '+' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '+'.
+ print(foo + 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:19:13: Error: The method '/' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '/'.
+ print(foo / 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:20:13: Error: The method '~/' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '~/'.
+ print(foo ~/ 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:21:13: Error: The method '*' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '*'.
+ print(foo * 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:22:13: Error: The method '%' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '%'.
+ print(foo % 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:23:13: Error: The method '|' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '|'.
+ print(foo | 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:24:13: Error: The method '^' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '^'.
+ print(foo ^ 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:25:13: Error: The method '&' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '&'.
+ print(foo & 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:26:13: Error: The method '<<' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<<'.
+ print(foo << 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:27:13: Error: The method '>>' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>>'.
+ print(foo >> 2);
+ ^^");
+ core::print(let final self::Foo #t1 = foo in let final core::int #t2 = 2 in let final core::int #t3 = 2 in let final dynamic #t4 = invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:29:12: Error: The method '[]=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '[]='.
+ print(foo[2] = 2);
+ ^^^" in #t3);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:30:12: Error: The method '[]' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '[]'.
+ print(foo[2]);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:31:9: Error: The method '~' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '~'.
+ print(~foo);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:32:9: Error: The method 'unary-' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named 'unary-'.
+ print(-foo);
+ ^");
+ core::print(<invalid-type>[]);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: This couldn't be parsed.
+ print(>foo);
+ ^".>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: This couldn't be parsed.
+ print(<=foo);
+ ^".<=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: This couldn't be parsed.
+ print(>=foo);
+ ^".>=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: This couldn't be parsed.
+ print(==foo);
+ ^".{core::Object::==}(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: This couldn't be parsed.
+ print(+foo);
+ ^".+(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: This couldn't be parsed.
+ print(/foo);
+ ^"./(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: This couldn't be parsed.
+ print(~/foo);
+ ^".~/(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: This couldn't be parsed.
+ print(*foo);
+ ^".*(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: This couldn't be parsed.
+ print(%foo);
+ ^".%(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: This couldn't be parsed.
+ print(|foo);
+ ^".|(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: This couldn't be parsed.
+ print(^foo);
+ ^".^(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: This couldn't be parsed.
+ print(&foo);
+ ^".&(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: This couldn't be parsed.
+ print(<<foo);
+ ^".<<(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: This couldn't be parsed.
+ print(>>foo);
+ ^".>>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+ print(foo ~ 2);
+ ^");
+}
diff --git a/pkg/front_end/testcases/operator_method_not_found.dart.strong.transformed.expect b/pkg/front_end/testcases/operator_method_not_found.dart.strong.transformed.expect
new file mode 100644
index 0000000..ec89d36
--- /dev/null
+++ b/pkg/front_end/testcases/operator_method_not_found.dart.strong.transformed.expect
@@ -0,0 +1,344 @@
+library;
+//
+// Problems in library:
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: Expected '>' after this.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:13: Error: Expected '[' before this.
+// print(<foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:36:10: Error: 'foo' isn't a type.
+// print(<foo);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: Expected an identifier, but got '>'.
+// print(>foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: Expected an identifier, but got '<='.
+// print(<=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: Expected an identifier, but got '>='.
+// print(>=foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: Expected an identifier, but got '=='.
+// print(==foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: '+' is not a prefix operator.
+// Try removing '+'.
+// print(+foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: Expected an identifier, but got '/'.
+// print(/foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: Expected an identifier, but got '~/'.
+// print(~/foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: Expected an identifier, but got '*'.
+// print(*foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: Expected an identifier, but got '%'.
+// print(%foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: Expected an identifier, but got '|'.
+// print(|foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: Expected an identifier, but got '^'.
+// print(^foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: Expected an identifier, but got '&'.
+// print(&foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: Expected an identifier, but got '<<'.
+// print(<<foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: Expected an identifier, but got '>>'.
+// print(>>foo);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+// print(foo ~ 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:12:13: Error: The method '<' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<'.
+// print(foo < 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:13:13: Error: The method '>' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>'.
+// print(foo > 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:14:13: Error: The method '<=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<='.
+// print(foo <= 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:15:13: Error: The method '>=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>='.
+// print(foo >= 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:17:13: Error: The method '-' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '-'.
+// print(foo - 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:18:13: Error: The method '+' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '+'.
+// print(foo + 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:19:13: Error: The method '/' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '/'.
+// print(foo / 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:20:13: Error: The method '~/' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '~/'.
+// print(foo ~/ 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:21:13: Error: The method '*' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '*'.
+// print(foo * 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:22:13: Error: The method '%' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '%'.
+// print(foo % 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:23:13: Error: The method '|' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '|'.
+// print(foo | 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:24:13: Error: The method '^' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '^'.
+// print(foo ^ 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:25:13: Error: The method '&' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '&'.
+// print(foo & 2);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:26:13: Error: The method '<<' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '<<'.
+// print(foo << 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:27:13: Error: The method '>>' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '>>'.
+// print(foo >> 2);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:29:12: Error: The method '[]=' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '[]='.
+// print(foo[2] = 2);
+// ^^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:30:12: Error: The method '[]' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '[]'.
+// print(foo[2]);
+// ^^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:31:9: Error: The method '~' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named '~'.
+// print(~foo);
+// ^
+//
+// pkg/front_end/testcases/operator_method_not_found.dart:32:9: Error: The method 'unary-' isn't defined for the class 'Foo'.
+// - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+// Try correcting the name to the name of an existing method, or defining a method named 'unary-'.
+// print(-foo);
+// ^
+//
+import self as self;
+import "dart:core" as core;
+
+class Foo extends core::Object {
+ synthetic constructor •() → self::Foo
+ : super core::Object::•()
+ ;
+}
+static method main() → dynamic {
+ self::Foo foo = new self::Foo::•();
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:12:13: Error: The method '<' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<'.
+ print(foo < 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:13:13: Error: The method '>' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>'.
+ print(foo > 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:14:13: Error: The method '<=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<='.
+ print(foo <= 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:15:13: Error: The method '>=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>='.
+ print(foo >= 2);
+ ^^");
+ core::print(foo.{core::Object::==}(2));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:17:13: Error: The method '-' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '-'.
+ print(foo - 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:18:13: Error: The method '+' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '+'.
+ print(foo + 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:19:13: Error: The method '/' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '/'.
+ print(foo / 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:20:13: Error: The method '~/' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '~/'.
+ print(foo ~/ 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:21:13: Error: The method '*' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '*'.
+ print(foo * 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:22:13: Error: The method '%' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '%'.
+ print(foo % 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:23:13: Error: The method '|' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '|'.
+ print(foo | 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:24:13: Error: The method '^' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '^'.
+ print(foo ^ 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:25:13: Error: The method '&' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '&'.
+ print(foo & 2);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:26:13: Error: The method '<<' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '<<'.
+ print(foo << 2);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:27:13: Error: The method '>>' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '>>'.
+ print(foo >> 2);
+ ^^");
+ core::print(let final self::Foo #t1 = foo in let final core::int #t2 = 2 in let final core::int #t3 = 2 in let final dynamic #t4 = invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:29:12: Error: The method '[]=' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '[]='.
+ print(foo[2] = 2);
+ ^^^" in #t3);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:30:12: Error: The method '[]' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '[]'.
+ print(foo[2]);
+ ^^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:31:9: Error: The method '~' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named '~'.
+ print(~foo);
+ ^");
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:32:9: Error: The method 'unary-' isn't defined for the class 'Foo'.
+ - 'Foo' is from 'pkg/front_end/testcases/operator_method_not_found.dart'.
+Try correcting the name to the name of an existing method, or defining a method named 'unary-'.
+ print(-foo);
+ ^");
+ core::print(<invalid-type>[]);
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:37:9: Error: This couldn't be parsed.
+ print(>foo);
+ ^".>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:38:9: Error: This couldn't be parsed.
+ print(<=foo);
+ ^".<=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:39:9: Error: This couldn't be parsed.
+ print(>=foo);
+ ^".>=(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:40:9: Error: This couldn't be parsed.
+ print(==foo);
+ ^".{core::Object::==}(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:41:9: Error: This couldn't be parsed.
+ print(+foo);
+ ^".+(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:42:9: Error: This couldn't be parsed.
+ print(/foo);
+ ^"./(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:43:9: Error: This couldn't be parsed.
+ print(~/foo);
+ ^".~/(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:44:9: Error: This couldn't be parsed.
+ print(*foo);
+ ^".*(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:45:9: Error: This couldn't be parsed.
+ print(%foo);
+ ^".%(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:46:9: Error: This couldn't be parsed.
+ print(|foo);
+ ^".|(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:47:9: Error: This couldn't be parsed.
+ print(^foo);
+ ^".^(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:48:9: Error: This couldn't be parsed.
+ print(&foo);
+ ^".&(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:49:9: Error: This couldn't be parsed.
+ print(<<foo);
+ ^".<<(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:50:9: Error: This couldn't be parsed.
+ print(>>foo);
+ ^".>>(foo));
+ core::print(invalid-expression "pkg/front_end/testcases/operator_method_not_found.dart:54:13: Error: '~' isn't a binary operator.
+ print(foo ~ 2);
+ ^");
+}
diff --git a/pkg/front_end/testcases/strong.status b/pkg/front_end/testcases/strong.status
index 7513191..d6443fb 100644
--- a/pkg/front_end/testcases/strong.status
+++ b/pkg/front_end/testcases/strong.status
@@ -75,6 +75,7 @@
issue34899: TypeCheckError
micro: RuntimeError
mixin_application_override: TypeCheckError
+operator_method_not_found: RuntimeError # Expected
optional: TypeCheckError
override_check_accessor_after_inference: TypeCheckError # Issue #31620
override_check_accessor_basic: TypeCheckError # Issue #31620
diff --git a/pkg/front_end/testcases/text_serialization.status b/pkg/front_end/testcases/text_serialization.status
index 99d0a1f..8e6529f 100644
--- a/pkg/front_end/testcases/text_serialization.status
+++ b/pkg/front_end/testcases/text_serialization.status
@@ -722,6 +722,7 @@
no_such_method_private_setter: TextSerializationFailure # Was: Pass
no_such_method_private_setter_lib: TextSerializationFailure # Was: Pass
null_aware: TextSerializationFailure # Was: Pass
+operator_method_not_found: TextSerializationFailure
operators: TextSerializationFailure # Was: Pass
optional: TypeCheckError
override: TextSerializationFailure # Was: Pass
diff --git a/pkg/kernel/lib/ast.dart b/pkg/kernel/lib/ast.dart
index 44ff8e2..8e41e89 100644
--- a/pkg/kernel/lib/ast.dart
+++ b/pkg/kernel/lib/ast.dart
@@ -6116,7 +6116,7 @@
/// This function will return "S with M1" and "S with M1, M2", respectively.
String demangleMixinApplicationName(String name) {
List<String> nameParts = name.split('&');
- if (nameParts.length < 2) return name;
+ if (nameParts.length < 2 || name == "&") return name;
String demangledName = nameParts[1];
for (int i = 2; i < nameParts.length; i++) {
demangledName += (i == 2 ? " with " : ", ") + nameParts[i];
