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Unified Diff: pkg/compiler/lib/src/warnings.dart

Issue 693183006: Revert "Move dart2js from sdk/lib/_internal/compiler to pkg/compiler" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 1 month ago
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Index: pkg/compiler/lib/src/warnings.dart
diff --git a/pkg/compiler/lib/src/warnings.dart b/pkg/compiler/lib/src/warnings.dart
deleted file mode 100644
index d6945d2819ab634a6959fdecb21498602ebd525c..0000000000000000000000000000000000000000
--- a/pkg/compiler/lib/src/warnings.dart
+++ /dev/null
@@ -1,2243 +0,0 @@
-// Copyright (c) 2011, 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.
-
-part of dart2js;
-
-const DONT_KNOW_HOW_TO_FIX = "";
-
-/**
- * The messages in this file should meet the following guide lines:
- *
- * 1. The message should be a complete sentence starting with an uppercase
- * letter, and ending with a period.
- *
- * 2. Reserved words and embedded identifiers should be in single quotes, so
- * prefer double quotes for the complete message. For example, "The
- * class '#{className}' can't use 'super'." Notice that the word 'class' in the
- * preceding message is not quoted as it refers to the concept 'class', not the
- * reserved word. On the other hand, 'super' refers to the reserved word. Do
- * not quote 'null' and numeric literals.
- *
- * 3. Do not try to compose messages, as it can make translating them hard.
- *
- * 4. Try to keep the error messages short, but informative.
- *
- * 5. Use simple words and terminology, assume the reader of the message
- * doesn't have an advanced degree in math, and that English is not the
- * reader's native language. Do not assume any formal computer science
- * training. For example, do not use Latin abbreviations (prefer "that is" over
- * "i.e.", and "for example" over "e.g."). Also avoid phrases such as "if and
- * only if" and "iff", that level of precision is unnecessary.
- *
- * 6. Prefer contractions when they are in common use, for example, prefer
- * "can't" over "cannot". Using "cannot", "must not", "shall not", etc. is
- * off-putting to people new to programming.
- *
- * 7. Use common terminology, preferably from the Dart Language
- * Specification. This increases the user's chance of finding a good
- * explanation on the web.
- *
- * 8. Do not try to be cute or funny. It is extremely frustrating to work on a
- * product that crashes with a "tongue-in-cheek" message, especially if you did
- * not want to use this product to begin with with.
- *
- * 9. Do not lie, that is, do not write error messages containing phrases like
- * "can't happen". If the user ever saw this message, it would be a
- * lie. Prefer messages like: "Internal error: This function should not be
- * called when 'x' is null.".
- *
- * 10. Prefer to not use imperative tone. That is, the message should not sound
- * accusing or like it is ordering the user around. The computer should
- * describe the problem, not criticize for violating the specification.
- *
- * Other things to keep in mind:
- *
- * An INFO message should always be preceded by a non-INFO message, and the
- * INFO messages are additional details about the preceding non-INFO
- * message. For example, consider duplicated elements. First report a WARNING
- * or ERROR about the duplicated element, and then report an INFO about the
- * location of the existing element.
- *
- * Generally, we want to provide messages that consists of three sentences:
- * 1. what is wrong, 2. why is it wrong, 3. how do I fix it. However, we
- * combine the first two in [template] and the last in [howToFix].
- */
-// TODO(johnnniwinther): For Infos, consider adding a reference to the
-// error/warning/hint that they belong to.
-class MessageKind {
- /// Should describe what is wrong and why.
- final String template;
-
- /// Should describe how to fix the problem. Elided when using --terse option.
- final String howToFix;
-
- /**
- * Examples will be checked by
- * tests/compiler/dart2js/message_kind_test.dart.
- *
- * An example is either a String containing the example source code or a Map
- * from filenames to source code. In the latter case, the filename for the
- * main library code must be 'main.dart'.
- */
- final List examples;
-
- /// Additional options needed for the examples to work.
- final List<String> options;
-
- const MessageKind(this.template,
- {this.howToFix,
- this.examples,
- this.options: const <String>[]});
-
- /// Do not use this. It is here for legacy and debugging. It violates item 4
- /// above.
- static const MessageKind GENERIC = const MessageKind('#{text}');
-
- static const MessageKind NOT_ASSIGNABLE = const MessageKind(
- "'#{fromType}' is not assignable to '#{toType}'.");
-
- static const MessageKind VOID_EXPRESSION = const MessageKind(
- "Expression does not yield a value.");
-
- static const MessageKind VOID_VARIABLE = const MessageKind(
- "Variable cannot be of type void.");
-
- static const MessageKind RETURN_VALUE_IN_VOID = const MessageKind(
- "Cannot return value from void function.");
-
- static const MessageKind RETURN_NOTHING = const MessageKind(
- "Value of type '#{returnType}' expected.");
-
- static const MessageKind MISSING_ARGUMENT = const MessageKind(
- "Missing argument of type '#{argumentType}'.");
-
- static const MessageKind ADDITIONAL_ARGUMENT = const MessageKind(
- "Additional argument.");
-
- static const MessageKind NAMED_ARGUMENT_NOT_FOUND = const MessageKind(
- "No named argument '#{argumentName}' found on method.");
-
- static const MessageKind MEMBER_NOT_FOUND = const MessageKind(
- "No member named '#{memberName}' in class '#{className}'.");
-
- static const MessageKind METHOD_NOT_FOUND = const MessageKind(
- "No method named '#{memberName}' in class '#{className}'.");
-
- static const MessageKind OPERATOR_NOT_FOUND = const MessageKind(
- "No operator '#{memberName}' in class '#{className}'.");
-
- static const MessageKind SETTER_NOT_FOUND = const MessageKind(
- "No setter named '#{memberName}' in class '#{className}'.");
-
- static const MessageKind GETTER_NOT_FOUND = const MessageKind(
- "No getter named '#{memberName}' in class '#{className}'.");
-
- static const MessageKind NOT_CALLABLE = const MessageKind(
- "'#{elementName}' is not callable.");
-
- static const MessageKind MEMBER_NOT_STATIC = const MessageKind(
- "'#{className}.#{memberName}' is not static.");
-
- static const MessageKind NO_INSTANCE_AVAILABLE = const MessageKind(
- "'#{name}' is only available in instance methods.");
-
- static const MessageKind PRIVATE_ACCESS = const MessageKind(
- "'#{name}' is declared private within library "
- "'#{libraryName}'.");
-
- static const MessageKind THIS_IS_THE_DECLARATION = const MessageKind(
- "This is the declaration of '#{name}'.");
-
- static const MessageKind THIS_IS_THE_METHOD = const MessageKind(
- "This is the method declaration.");
-
- static const MessageKind CANNOT_RESOLVE = const MessageKind(
- "Cannot resolve '#{name}'.");
-
- static const MessageKind CANNOT_RESOLVE_CONSTRUCTOR = const MessageKind(
- "Cannot resolve constructor '#{constructorName}'.");
-
- static const MessageKind CANNOT_RESOLVE_CONSTRUCTOR_FOR_IMPLICIT =
- const MessageKind("cannot resolve constructor '#{constructorName}'"
- " for implicit super call.",
- howToFix: "Try explicitly invoking a constructor of the super class",
- examples: const ["""
-class A {
- A.foo() {}
-}
-class B extends A {
- B();
-}
-main() => new B();
-"""]);
-
- static const MessageKind INVALID_UNNAMED_CONSTRUCTOR_NAME = const MessageKind(
- "Unnamed constructor name must be '#{name}'.");
-
- static const MessageKind INVALID_CONSTRUCTOR_NAME = const MessageKind(
- "Constructor name must start with '#{name}'.");
-
- static const MessageKind CANNOT_RESOLVE_TYPE = const MessageKind(
- "Cannot resolve type '#{typeName}'.");
-
- static const MessageKind DUPLICATE_DEFINITION = const MessageKind(
- "Duplicate definition of '#{name}'.");
-
- static const MessageKind EXISTING_DEFINITION = const MessageKind(
- "Existing definition of '#{name}'.");
-
- static const MessageKind DUPLICATE_IMPORT = const MessageKind(
- "Duplicate import of '#{name}'.");
-
- static const MessageKind HIDDEN_IMPORT = const MessageKind(
- "'#{name}' from library '#{hiddenUri}' is hidden by '#{name}' "
- "from library '#{hidingUri}'.",
- howToFix: "Try adding 'hide #{name}' to the import of '#{hiddenUri}'.",
- examples: const [
- const {
-'main.dart':
-"""
-import 'dart:async'; // This imports a class Future.
-import 'future.dart';
-
-void main() => new Future();""",
-
-'future.dart':
-"""
-library future;
-
-class Future {}"""},
-
- const {
-'main.dart':
-"""
-import 'future.dart';
-import 'dart:async'; // This imports a class Future.
-
-void main() => new Future();""",
-
-'future.dart':
-"""
-library future;
-
-class Future {}"""},
-
- const {
-'main.dart':
-"""
-import 'export.dart';
-import 'dart:async'; // This imports a class Future.
-
-void main() => new Future();""",
-
-'future.dart':
-"""
-library future;
-
-class Future {}""",
-
-'export.dart':
-"""
-library export;
-
-export 'future.dart';"""},
-
- const {
-'main.dart':
-"""
-import 'future.dart' as prefix;
-import 'dart:async' as prefix; // This imports a class Future.
-
-void main() => new prefix.Future();""",
-
-'future.dart':
-"""
-library future;
-
-class Future {}"""}]);
-
-
- static const MessageKind HIDDEN_IMPLICIT_IMPORT = const MessageKind(
- "'#{name}' from library '#{hiddenUri}' is hidden by '#{name}' "
- "from library '#{hidingUri}'.",
- howToFix: "Try adding an explicit "
- "'import \"#{hiddenUri}\" hide #{name}'.",
- examples: const [
- const {
-'main.dart':
-"""
-// This hides the implicit import of class Type from dart:core.
-import 'type.dart';
-
-void main() => new Type();""",
-
-'type.dart':
-"""
-library type;
-
-class Type {}"""},
- const {
-'conflictsWithDart.dart':
-"""
-library conflictsWithDart;
-
-class Duration {
- static var x = 100;
-}
-""",
-
-'conflictsWithDartAsWell.dart':
-"""
-library conflictsWithDartAsWell;
-
-class Duration {
- static var x = 100;
-}
-""",
-
-'main.dart':
-r"""
-library testDartConflicts;
-
-import 'conflictsWithDart.dart';
-import 'conflictsWithDartAsWell.dart';
-
-main() {
- print("Hail Caesar ${Duration.x}");
-}
-"""}]);
-
- static const MessageKind DUPLICATE_EXPORT = const MessageKind(
- "Duplicate export of '#{name}'.",
- howToFix: "Trying adding 'hide #{name}' to one of the exports.",
- examples: const [const {
-'main.dart': """
-export 'decl1.dart';
-export 'decl2.dart';
-
-main() {}""",
-'decl1.dart': "class Class {}",
-'decl2.dart': "class Class {}"}]);
-
- static const MessageKind DUPLICATE_EXPORT_CONT = const MessageKind(
- "This is another export of '#{name}'.");
-
- static const MessageKind DUPLICATE_EXPORT_DECL = const MessageKind(
- "The exported '#{name}' from export #{uriString} is defined here.");
-
- static const MessageKind NOT_A_TYPE = const MessageKind(
- "'#{node}' is not a type.");
-
- static const MessageKind NOT_A_PREFIX = const MessageKind(
- "'#{node}' is not a prefix.");
-
- static const MessageKind CANNOT_FIND_CONSTRUCTOR = const MessageKind(
- "Cannot find constructor '#{constructorName}'.");
-
- static const MessageKind CYCLIC_CLASS_HIERARCHY = const MessageKind(
- "'#{className}' creates a cycle in the class hierarchy.");
-
- static const MessageKind CYCLIC_REDIRECTING_FACTORY = const MessageKind(
- 'Redirecting factory leads to a cyclic redirection.');
-
- static const MessageKind INVALID_RECEIVER_IN_INITIALIZER = const MessageKind(
- "Field initializer expected.");
-
- static const MessageKind NO_SUPER_IN_STATIC = const MessageKind(
- "'super' is only available in instance methods.");
-
- static const MessageKind DUPLICATE_INITIALIZER = const MessageKind(
- "Field '#{fieldName}' is initialized more than once.");
-
- static const MessageKind ALREADY_INITIALIZED = const MessageKind(
- "'#{fieldName}' was already initialized here.");
-
- static const MessageKind INIT_STATIC_FIELD = const MessageKind(
- "Cannot initialize static field '#{fieldName}'.");
-
- static const MessageKind NOT_A_FIELD = const MessageKind(
- "'#{fieldName}' is not a field.");
-
- static const MessageKind CONSTRUCTOR_CALL_EXPECTED = const MessageKind(
- "only call to 'this' or 'super' constructor allowed.");
-
- static const MessageKind INVALID_FOR_IN = const MessageKind(
- "Invalid for-in variable declaration.");
-
- static const MessageKind INVALID_INITIALIZER = const MessageKind(
- "Invalid initializer.");
-
- static const MessageKind FUNCTION_WITH_INITIALIZER = const MessageKind(
- "Only constructors can have initializers.");
-
- static const MessageKind REDIRECTING_CONSTRUCTOR_CYCLE = const MessageKind(
- "Cyclic constructor redirection.");
-
- static const MessageKind REDIRECTING_CONSTRUCTOR_HAS_BODY = const MessageKind(
- "Redirecting constructor can't have a body.");
-
- static const MessageKind CONST_CONSTRUCTOR_HAS_BODY = const MessageKind(
- "Const constructor or factory can't have a body.",
- howToFix: "Remove the 'const' keyword or the body",
- examples: const ["""
-class C {
- const C() {}
-}
-
-main() => new C();"""]);
-
- static const MessageKind REDIRECTING_CONSTRUCTOR_HAS_INITIALIZER =
- const MessageKind(
- "Redirecting constructor cannot have other initializers.");
-
- static const MessageKind SUPER_INITIALIZER_IN_OBJECT = const MessageKind(
- "'Object' cannot have a super initializer.");
-
- static const MessageKind DUPLICATE_SUPER_INITIALIZER = const MessageKind(
- "Cannot have more than one super initializer.");
-
- static const MessageKind INVALID_CONSTRUCTOR_ARGUMENTS = const MessageKind(
- "Arguments do not match the expected parameters of constructor "
- "'#{constructorName}'.");
-
- static const MessageKind NO_MATCHING_CONSTRUCTOR = const MessageKind(
- "'super' call arguments and constructor parameters do not match.");
-
- static const MessageKind NO_MATCHING_CONSTRUCTOR_FOR_IMPLICIT =
- const MessageKind(
- "Implicit 'super' call arguments and constructor parameters "
- "do not match.");
-
- static const MessageKind CONST_CALLS_NON_CONST = const MessageKind(
- "'const' constructor cannot call a non-const constructor.");
-
- static const MessageKind CONST_CONSTRUCTOR_WITH_NONFINAL_FIELDS =
- const MessageKind(
- "Can't declare constructor 'const' on class #{className} "
- "because the class contains non-final instance fields.",
- howToFix: "Try making all fields final.",
- examples: const ["""
-class C {
- // 'a' must be declared final to allow for the const constructor.
- var a;
- const C(this.a);
-}
-
-main() => new C(0);"""]);
-
- static const MessageKind CONST_CONSTRUCTOR_WITH_NONFINAL_FIELDS_FIELD =
- const MessageKind("This non-final field prevents using const "
- "constructors.");
-
- static const MessageKind CONST_CONSTRUCTOR_WITH_NONFINAL_FIELDS_CONSTRUCTOR =
- const MessageKind("This const constructor is not allowed due to "
- "non-final fields.");
-
-
- static const MessageKind INITIALIZING_FORMAL_NOT_ALLOWED = const MessageKind(
- "Initializing formal parameter only allowed in generative "
- "constructor.");
-
- static const MessageKind INVALID_PARAMETER = const MessageKind(
- "Cannot resolve parameter.");
-
- static const MessageKind NOT_INSTANCE_FIELD = const MessageKind(
- "'#{fieldName}' is not an instance field.");
-
- static const MessageKind NO_CATCH_NOR_FINALLY = const MessageKind(
- "Expected 'catch' or 'finally'.");
-
- static const MessageKind EMPTY_CATCH_DECLARATION = const MessageKind(
- "Expected an identifier in catch declaration.");
-
- static const MessageKind EXTRA_CATCH_DECLARATION = const MessageKind(
- "Extra parameter in catch declaration.");
-
- static const MessageKind PARAMETER_WITH_TYPE_IN_CATCH = const MessageKind(
- "Cannot use type annotations in catch.");
-
- static const MessageKind PARAMETER_WITH_MODIFIER_IN_CATCH = const MessageKind(
- "Cannot use modifiers in catch.");
-
- static const MessageKind OPTIONAL_PARAMETER_IN_CATCH = const MessageKind(
- "Cannot use optional parameters in catch.");
-
- static const MessageKind THROW_WITHOUT_EXPRESSION = const MessageKind(
- "Cannot use re-throw outside of catch block "
- "(expression expected after 'throw').");
-
- static const MessageKind UNBOUND_LABEL = const MessageKind(
- "Cannot resolve label '#{labelName}'.");
-
- static const MessageKind NO_BREAK_TARGET = const MessageKind(
- "'break' statement not inside switch or loop.");
-
- static const MessageKind NO_CONTINUE_TARGET = const MessageKind(
- "'continue' statement not inside loop.");
-
- static const MessageKind EXISTING_LABEL = const MessageKind(
- "Original declaration of duplicate label '#{labelName}'.");
-
- static const MessageKind DUPLICATE_LABEL = const MessageKind(
- "Duplicate declaration of label '#{labelName}'.");
-
- static const MessageKind UNUSED_LABEL = const MessageKind(
- "Unused label '#{labelName}'.");
-
- static const MessageKind INVALID_CONTINUE = const MessageKind(
- "Target of continue is not a loop or switch case.");
-
- static const MessageKind INVALID_BREAK = const MessageKind(
- "Target of break is not a statement.");
-
- static const MessageKind DUPLICATE_TYPE_VARIABLE_NAME = const MessageKind(
- "Type variable '#{typeVariableName}' already declared.");
-
- static const MessageKind TYPE_VARIABLE_WITHIN_STATIC_MEMBER =
- const MessageKind(
- "Cannot refer to type variable '#{typeVariableName}' "
- "within a static member.");
-
- static const MessageKind TYPE_VARIABLE_IN_CONSTANT = const MessageKind(
- "Constant expressions can't refer to type variables.",
- howToFix: "Try removing the type variable or replacing it with a "
- "concrete type.",
- examples: const ["""
-class C<T> {
- const C();
-
- m(T t) => const C<T>();
-}
-
-void main() => new C().m(null);
-"""
-]);
-
-
- static const MessageKind INVALID_TYPE_VARIABLE_BOUND = const MessageKind(
- "'#{typeArgument}' is not a subtype of bound '#{bound}' for "
- "type variable '#{typeVariable}' of type '#{thisType}'.",
- howToFix: "Try to change or remove the type argument.",
- examples: const ["""
-class C<T extends num> {}
-
-// 'String' is not a valid instantiation of T with bound num.'.
-main() => new C<String>();
-"""]);
-
- static const MessageKind INVALID_USE_OF_SUPER = const MessageKind(
- "'super' not allowed here.");
-
- static const MessageKind INVALID_CASE_DEFAULT = const MessageKind(
- "'default' only allowed on last case of a switch.");
-
- static const MessageKind SWITCH_CASE_TYPES_NOT_EQUAL = const MessageKind(
- "'case' expressions do not all have type '#{type}'.");
-
- static const MessageKind SWITCH_CASE_TYPES_NOT_EQUAL_CASE = const MessageKind(
- "'case' expression of type '#{type}'.");
-
- static const MessageKind SWITCH_CASE_FORBIDDEN = const MessageKind(
- "'case' expression may not be of type '#{type}'.");
-
- static const MessageKind SWITCH_CASE_VALUE_OVERRIDES_EQUALS =
- const MessageKind(
- "'case' expression type '#{type}' overrides 'operator =='.");
-
- static const MessageKind INVALID_ARGUMENT_AFTER_NAMED = const MessageKind(
- "Unnamed argument after named argument.");
-
- static const MessageKind NOT_A_COMPILE_TIME_CONSTANT = const MessageKind(
- "Not a compile-time constant.");
-
- static const MessageKind DEFERRED_COMPILE_TIME_CONSTANT = const MessageKind(
- "A Deferred value cannot be used as a compile-time constant.");
-
- static const MessageKind DEFERRED_COMPILE_TIME_CONSTANT_CONSTRUCTION =
- const MessageKind("A deferred class cannot be used to create a"
- "compile-time constant.");
-
- static const MessageKind CYCLIC_COMPILE_TIME_CONSTANTS = const MessageKind(
- "Cycle in the compile-time constant computation.");
-
- static const MessageKind CONSTRUCTOR_IS_NOT_CONST = const MessageKind(
- "Constructor is not a 'const' constructor.");
-
- static const MessageKind CONST_MAP_KEY_OVERRIDES_EQUALS =
- const MessageKind(
- "Const-map key type '#{type}' overrides 'operator =='.");
-
- static const MessageKind NO_SUCH_LIBRARY_MEMBER = const MessageKind(
- "'#{libraryName}' has no member named '#{memberName}'.");
-
- static const MessageKind CANNOT_INSTANTIATE_TYPEDEF = const MessageKind(
- "Cannot instantiate typedef '#{typedefName}'.");
-
- static const MessageKind REQUIRED_PARAMETER_WITH_DEFAULT = const MessageKind(
- "Non-optional parameters can't have a default value.",
- howToFix:
- "Try removing the default value or making the parameter optional.",
- examples: const ["""
-main() {
- foo(a: 1) => print(a);
- foo(2);
-}""", """
-main() {
- foo(a = 1) => print(a);
- foo(2);
-}"""]);
-
- static const MessageKind NAMED_PARAMETER_WITH_EQUALS = const MessageKind(
- "Named optional parameters can't use '=' to specify a default "
- "value.",
- howToFix: "Try replacing '=' with ':'.",
- examples: const ["""
-main() {
- foo({a = 1}) => print(a);
- foo(a: 2);
-}"""]);
-
- static const MessageKind POSITIONAL_PARAMETER_WITH_EQUALS = const MessageKind(
- "Positional optional parameters can't use ':' to specify a "
- "default value.",
- howToFix: "Try replacing ':' with '='.",
- examples: const ["""
-main() {
- foo([a: 1]) => print(a);
- foo(2);
-}"""]);
-
- static const MessageKind TYPEDEF_FORMAL_WITH_DEFAULT = const MessageKind(
- "A parameter of a typedef can't specify a default value.",
- howToFix:
- "Try removing the default value.",
- examples: const ["""
-typedef void F([int arg = 0]);
-
-main() {
- F f;
-}""", """
-typedef void F({int arg: 0});
-
-main() {
- F f;
-}"""]);
-
- static const MessageKind FUNCTION_TYPE_FORMAL_WITH_DEFAULT = const MessageKind(
- "A function type parameter can't specify a default value.",
- howToFix:
- "Try removing the default value.",
- examples: const ["""
-foo(f(int i, [a = 1])) {}
-
-main() {
- foo(1, 2);
-}""", """
-foo(f(int i, {a: 1})) {}
-
-main() {
- foo(1, a: 2);
-}"""]);
-
- static const MessageKind REDIRECTING_FACTORY_WITH_DEFAULT = const MessageKind(
- "A parameter of a redirecting factory constructor can't specify a "
- "default value.",
- howToFix:
- "Try removing the default value.",
- examples: const ["""
-class A {
- A([a]);
- factory A.foo([a = 1]) = A;
-}
-
-main() {
- new A.foo(1);
-}""", """
-class A {
- A({a});
- factory A.foo({a: 1}) = A;
-}
-
-main() {
- new A.foo(a: 1);
-}"""]);
-
- static const MessageKind FORMAL_DECLARED_CONST = const MessageKind(
- "A formal parameter can't be declared const.",
- howToFix: "Try removing 'const'.",
- examples: const ["""
-foo(const x) {}
-main() => foo(42);
-""", """
-foo({const x}) {}
-main() => foo(42);
-""", """
-foo([const x]) {}
-main() => foo(42);
-"""]);
-
- static const MessageKind FORMAL_DECLARED_STATIC = const MessageKind(
- "A formal parameter can't be declared static.",
- howToFix: "Try removing 'static'.",
- examples: const ["""
-foo(static x) {}
-main() => foo(42);
-""", """
-foo({static x}) {}
-main() => foo(42);
-""", """
-foo([static x]) {}
-main() => foo(42);
-"""]);
-
- static const MessageKind FINAL_FUNCTION_TYPE_PARAMETER = const MessageKind(
- "A function type parameter can't be declared final.",
- howToFix: "Try removing 'final'.",
- examples: const ["""
-foo(final int x(int a)) {}
-main() => foo((y) => 42);
-""", """
-foo({final int x(int a)}) {}
-main() => foo((y) => 42);
-""", """
-foo([final int x(int a)]) {}
-main() => foo((y) => 42);
-"""]);
-
- static const MessageKind VAR_FUNCTION_TYPE_PARAMETER = const MessageKind(
- "A function type parameter can't be declared with 'var'.",
- howToFix: "Try removing 'var'.",
- examples: const ["""
-foo(var int x(int a)) {}
-main() => foo((y) => 42);
-""", """
-foo({var int x(int a)}) {}
-main() => foo((y) => 42);
-""", """
-foo([var int x(int a)]) {}
-main() => foo((y) => 42);
-"""]);
-
- static const MessageKind CANNOT_INSTANTIATE_TYPE_VARIABLE = const MessageKind(
- "Cannot instantiate type variable '#{typeVariableName}'.");
-
- static const MessageKind CYCLIC_TYPE_VARIABLE = const MessageKind(
- "Type variable '#{typeVariableName}' is a supertype of itself.");
-
- static const CYCLIC_TYPEDEF = const MessageKind(
- "A typedef can't refer to itself.",
- howToFix: "Try removing all references to '#{typedefName}' "
- "in the definition of '#{typedefName}'.",
- examples: const ["""
-typedef F F(); // The return type 'F' is a self-reference.
-main() { F f = null; }"""]);
-
- static const CYCLIC_TYPEDEF_ONE = const MessageKind(
- "A typedef can't refer to itself through another typedef.",
- howToFix: "Try removing all references to "
- "'#{otherTypedefName}' in the definition of '#{typedefName}'.",
- examples: const ["""
-typedef G F(); // The return type 'G' is a self-reference through typedef 'G'.
-typedef F G(); // The return type 'F' is a self-reference through typedef 'F'.
-main() { F f = null; }""",
-"""
-typedef G F(); // The return type 'G' creates a self-reference.
-typedef H G(); // The return type 'H' creates a self-reference.
-typedef H(F f); // The argument type 'F' creates a self-reference.
-main() { F f = null; }"""]);
-
- static const MessageKind CLASS_NAME_EXPECTED = const MessageKind(
- "Class name expected.");
-
- static const MessageKind CANNOT_EXTEND = const MessageKind(
- "'#{type}' cannot be extended.");
-
- static const MessageKind CANNOT_IMPLEMENT = const MessageKind(
- "'#{type}' cannot be implemented.");
-
- // TODO(johnnwinther): Split messages into reasons for malformedness.
- static const MessageKind CANNOT_EXTEND_MALFORMED = const MessageKind(
- "Class '#{className}' can't extend the type '#{malformedType}' because "
- "it is malformed.",
- howToFix: "Try correcting the malformed type annotation or removing the "
- "'extends' clause.",
- examples: const ["""
-class A extends Malformed {}
-main() => new A();"""]);
-
- static const MessageKind CANNOT_IMPLEMENT_MALFORMED = const MessageKind(
- "Class '#{className}' can't implement the type '#{malformedType}' "
- "because it is malformed.",
- howToFix: "Try correcting the malformed type annotation or removing the "
- "type from the 'implements' clause.",
- examples: const ["""
-class A implements Malformed {}
-main() => new A();"""]);
-
- static const MessageKind CANNOT_MIXIN_MALFORMED = const MessageKind(
- "Class '#{className}' can't mixin the type '#{malformedType}' because it "
- "is malformed.",
- howToFix: "Try correcting the malformed type annotation or removing the "
- "type from the 'with' clause.",
- examples: const ["""
-class A extends Object with Malformed {}
-main() => new A();"""]);
-
- static const MessageKind CANNOT_MIXIN = const MessageKind(
- "The type '#{type}' can't be mixed in.",
- howToFix: "Try removing '#{type}' from the 'with' clause.",
- examples: const ["""
-class C extends Object with String {}
-
-main() => new C();
-""", """
-typedef C = Object with String;
-
-main() => new C();
-"""]);
-
- static const MessageKind DUPLICATE_EXTENDS_IMPLEMENTS = const MessageKind(
- "'#{type}' can not be both extended and implemented.");
-
- static const MessageKind DUPLICATE_IMPLEMENTS = const MessageKind(
- "'#{type}' must not occur more than once "
- "in the implements clause.");
-
- static const MessageKind MULTI_INHERITANCE = const MessageKind(
- "Dart2js does not currently support inheritance of the same class with "
- "different type arguments: Both #{firstType} and #{secondType} are "
- "supertypes of #{thisType}.");
-
- static const MessageKind ILLEGAL_SUPER_SEND = const MessageKind(
- "'#{name}' cannot be called on super.");
-
- static const MessageKind NO_SUCH_SUPER_MEMBER = const MessageKind(
- "Cannot resolve '#{memberName}' in a superclass of '#{className}'.");
-
- static const MessageKind ADDITIONAL_TYPE_ARGUMENT = const MessageKind(
- "Additional type argument.");
-
- static const MessageKind MISSING_TYPE_ARGUMENT = const MessageKind(
- "Missing type argument.");
-
- // TODO(johnniwinther): Use ADDITIONAL_TYPE_ARGUMENT or MISSING_TYPE_ARGUMENT
- // instead.
- static const MessageKind TYPE_ARGUMENT_COUNT_MISMATCH = const MessageKind(
- "Incorrect number of type arguments on '#{type}'.");
-
- static const MessageKind GETTER_MISMATCH = const MessageKind(
- "Setter disagrees on: '#{modifiers}'.");
-
- static const MessageKind SETTER_MISMATCH = const MessageKind(
- "Getter disagrees on: '#{modifiers}'.");
-
- static const MessageKind ILLEGAL_SETTER_FORMALS = const MessageKind(
- "A setter must have exactly one argument.");
-
- static const MessageKind NO_STATIC_OVERRIDE = const MessageKind(
- "Static member cannot override instance member '#{memberName}' of "
- "'#{className}'.");
-
- static const MessageKind NO_STATIC_OVERRIDE_CONT = const MessageKind(
- "This is the instance member that cannot be overridden "
- "by a static member.");
-
- static const MessageKind INSTANCE_STATIC_SAME_NAME = const MessageKind(
- "Instance member '#{memberName}' and static member of "
- "superclass '#{className}' have the same name.");
-
- static const MessageKind INSTANCE_STATIC_SAME_NAME_CONT = const MessageKind(
- "This is the static member with the same name.");
-
- static const MessageKind INVALID_OVERRIDE_METHOD = const MessageKind(
- "The type '#{declaredType}' of method '#{name}' declared in "
- "'#{class}' is not a subtype of the overridden method type "
- "'#{inheritedType}' inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDDEN_METHOD = const MessageKind(
- "This is the overridden method '#{name}' declared in class "
- "'#{class}'.");
-
- static const MessageKind INVALID_OVERRIDE_GETTER = const MessageKind(
- "The type '#{declaredType}' of getter '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden getter inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDDEN_GETTER = const MessageKind(
- "This is the overridden getter '#{name}' declared in class "
- "'#{class}'.");
-
- static const MessageKind INVALID_OVERRIDE_GETTER_WITH_FIELD =
- const MessageKind(
- "The type '#{declaredType}' of field '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden getter inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDE_FIELD_WITH_GETTER =
- const MessageKind(
- "The type '#{declaredType}' of getter '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden field inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDE_SETTER = const MessageKind(
- "The type '#{declaredType}' of setter '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden setter inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDDEN_SETTER = const MessageKind(
- "This is the overridden setter '#{name}' declared in class "
- "'#{class}'.");
-
- static const MessageKind INVALID_OVERRIDE_SETTER_WITH_FIELD =
- const MessageKind(
- "The type '#{declaredType}' of field '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden setter inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDE_FIELD_WITH_SETTER =
- const MessageKind(
- "The type '#{declaredType}' of setter '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden field inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDE_FIELD = const MessageKind(
- "The type '#{declaredType}' of field '#{name}' declared in "
- "'#{class}' is not assignable to the type '#{inheritedType}' of the "
- "overridden field inherited from '#{inheritedClass}'.");
-
- static const MessageKind INVALID_OVERRIDDEN_FIELD = const MessageKind(
- "This is the overridden field '#{name}' declared in class "
- "'#{class}'.");
-
- static const MessageKind CANNOT_OVERRIDE_FIELD_WITH_METHOD =
- const MessageKind(
- "Method '#{name}' in '#{class}' can't override field from "
- "'#{inheritedClass}'.");
-
- static const MessageKind CANNOT_OVERRIDE_FIELD_WITH_METHOD_CONT =
- const MessageKind(
- "This is the field that cannot be overridden by a method.");
-
- static const MessageKind CANNOT_OVERRIDE_METHOD_WITH_FIELD =
- const MessageKind(
- "Field '#{name}' in '#{class}' can't override method from "
- "'#{inheritedClass}'.");
-
- static const MessageKind CANNOT_OVERRIDE_METHOD_WITH_FIELD_CONT =
- const MessageKind(
- "This is the method that cannot be overridden by a field.");
-
- static const MessageKind CANNOT_OVERRIDE_GETTER_WITH_METHOD =
- const MessageKind(
- "Method '#{name}' in '#{class}' can't override getter from "
- "'#{inheritedClass}'.");
-
- static const MessageKind CANNOT_OVERRIDE_GETTER_WITH_METHOD_CONT =
- const MessageKind(
- "This is the getter that cannot be overridden by a method.");
-
- static const MessageKind CANNOT_OVERRIDE_METHOD_WITH_GETTER =
- const MessageKind(
- "Getter '#{name}' in '#{class}' can't override method from "
- "'#{inheritedClass}'.");
-
- static const MessageKind CANNOT_OVERRIDE_METHOD_WITH_GETTER_CONT =
- const MessageKind(
- "This is the method that cannot be overridden by a getter.");
-
- static const MessageKind MISSING_FORMALS = const MessageKind(
- "Formal parameters are missing.");
-
- static const MessageKind EXTRA_FORMALS = const MessageKind(
- "Formal parameters are not allowed here.");
-
- static const MessageKind UNARY_OPERATOR_BAD_ARITY = const MessageKind(
- "Operator '#{operatorName}' must have no parameters.");
-
- static const MessageKind MINUS_OPERATOR_BAD_ARITY = const MessageKind(
- "Operator '-' must have 0 or 1 parameters.");
-
- static const MessageKind BINARY_OPERATOR_BAD_ARITY = const MessageKind(
- "Operator '#{operatorName}' must have exactly 1 parameter.");
-
- static const MessageKind TERNARY_OPERATOR_BAD_ARITY = const MessageKind(
- "Operator '#{operatorName}' must have exactly 2 parameters.");
-
- static const MessageKind OPERATOR_OPTIONAL_PARAMETERS = const MessageKind(
- "Operator '#{operatorName}' cannot have optional parameters.");
-
- static const MessageKind OPERATOR_NAMED_PARAMETERS = const MessageKind(
- "Operator '#{operatorName}' cannot have named parameters.");
-
- static const MessageKind CONSTRUCTOR_WITH_RETURN_TYPE = const MessageKind(
- "Cannot have return type for constructor.");
-
- static const MessageKind CANNOT_RETURN_FROM_CONSTRUCTOR = const MessageKind(
- "Constructors can't return values.",
- howToFix: "Remove the return statement or use a factory constructor.",
- examples: const ["""
-class C {
- C() {
- return 1;
- }
-}
-
-main() => new C();"""]);
-
- static const MessageKind ILLEGAL_FINAL_METHOD_MODIFIER = const MessageKind(
- "Cannot have final modifier on method.");
-
- static const MessageKind ILLEGAL_CONST_FIELD_MODIFIER = const MessageKind(
- "Cannot have const modifier on non-static field.",
- howToFix: "Try adding a static modifier, or removing the const modifier.",
- examples: const ["""
-class C {
- const int a = 1;
-}
-
-main() => new C();"""]);
-
- static const MessageKind ILLEGAL_CONSTRUCTOR_MODIFIERS = const MessageKind(
- "Illegal constructor modifiers: '#{modifiers}'.");
-
- static const MessageKind ILLEGAL_MIXIN_APPLICATION_MODIFIERS =
- const MessageKind(
- "Illegal mixin application modifiers: '#{modifiers}'.");
-
- static const MessageKind ILLEGAL_MIXIN_SUPERCLASS = const MessageKind(
- "Class used as mixin must have Object as superclass.");
-
- static const MessageKind ILLEGAL_MIXIN_OBJECT = const MessageKind(
- "Cannot use Object as mixin.");
-
- static const MessageKind ILLEGAL_MIXIN_CONSTRUCTOR = const MessageKind(
- "Class used as mixin cannot have non-factory constructor.");
-
- static const MessageKind ILLEGAL_MIXIN_CYCLE = const MessageKind(
- "Class used as mixin introduces mixin cycle: "
- "'#{mixinName1}' <-> '#{mixinName2}'.");
-
- static const MessageKind ILLEGAL_MIXIN_WITH_SUPER = const MessageKind(
- "Cannot use class '#{className}' as a mixin because it uses "
- "'super'.");
-
- static const MessageKind ILLEGAL_MIXIN_SUPER_USE = const MessageKind(
- "Use of 'super' in class used as mixin.");
-
- static const MessageKind PARAMETER_NAME_EXPECTED = const MessageKind(
- "parameter name expected.");
-
- static const MessageKind CANNOT_RESOLVE_GETTER = const MessageKind(
- "Cannot resolve getter.");
-
- static const MessageKind CANNOT_RESOLVE_SETTER = const MessageKind(
- "Cannot resolve setter.");
-
- static const MessageKind ASSIGNING_METHOD = const MessageKind(
- "Cannot assign a value to a method.");
-
- static const MessageKind ASSIGNING_TYPE = const MessageKind(
- "Cannot assign a value to a type.");
-
- static const MessageKind VOID_NOT_ALLOWED = const MessageKind(
- "Type 'void' can't be used here because it isn't a return type.",
- howToFix: "Try removing 'void' keyword or replace it with 'var', 'final',"
- " or a type.",
- examples: const [
- "void x; main() {}",
- "foo(void x) {} main() { foo(null); }",
- ]);
-
- static const MessageKind NULL_NOT_ALLOWED = const MessageKind(
- "`null` can't be used here.");
-
- static const MessageKind BEFORE_TOP_LEVEL = const MessageKind(
- "Part header must come before top-level definitions.");
-
- static const MessageKind LIBRARY_NAME_MISMATCH = const MessageKind(
- "Expected part of library name '#{libraryName}'.",
- howToFix: "Trying changing the directive to 'part of #{libraryName};'.",
- examples: const [const {
-'main.dart': """
-library lib.foo;
-
-part 'part.dart';
-
-main() {}
-""",
-
-'part.dart': """
-part of lib.bar;
-"""}]);
-
- static const MessageKind MISSING_LIBRARY_NAME = const MessageKind(
- "Library has no name. Part directive expected library name "
- "to be '#{libraryName}'.",
- howToFix: "Trying adding 'library #{libraryName};' to the library.",
- examples: const [const {
-'main.dart': """
-part 'part.dart';
-
-main() {}
-""",
-
-'part.dart': """
-part of lib.foo;
-"""}]);
-
- static const MessageKind THIS_IS_THE_PART_OF_TAG = const MessageKind(
- "This is the part of directive.");
-
- static const MessageKind MISSING_PART_OF_TAG = const MessageKind(
- "This file has no part-of tag, but it is being used as a part.");
-
- static const MessageKind DUPLICATED_PART_OF = const MessageKind(
- "Duplicated part-of directive.");
-
- static const MessageKind ILLEGAL_DIRECTIVE = const MessageKind(
- "Directive not allowed here.");
-
- static const MessageKind DUPLICATED_LIBRARY_NAME = const MessageKind(
- "Duplicated library name '#{libraryName}'.");
-
- static const MessageKind DUPLICATED_RESOURCE = const MessageKind(
- "The resource '#{resourceUri}' is loaded through both "
- "'#{canonicalUri1}' and '#{canonicalUri2}'.");
-
- static const MessageKind DUPLICATED_LIBRARY_RESOURCE =
- const MessageKind(
- "The library '#{libraryName}' in '#{resourceUri}' is loaded through "
- "both '#{canonicalUri1}' and '#{canonicalUri2}'.");
-
- // This is used as an exception.
- static const MessageKind INVALID_SOURCE_FILE_LOCATION = const MessageKind('''
-Invalid offset (#{offset}) in source map.
-File: #{fileName}
-Length: #{length}''');
-
- static const MessageKind TOP_LEVEL_VARIABLE_DECLARED_STATIC =
- const MessageKind(
- "Top-level variable cannot be declared static.");
-
- static const MessageKind REFERENCE_IN_INITIALIZATION = const MessageKind(
- "Variable '#{variableName}' is referenced during its "
- "initialization.",
- howToFix: "If you are trying to reference a shadowed variable, rename"
- " one of the variables.",
- examples: const ["""
-foo(t) {
- var t = t;
- return t;
-}
-
-main() => foo(1);
-"""]);
-
- static const MessageKind CONST_WITHOUT_INITIALIZER = const MessageKind(
- "A constant variable must be initialized.",
- howToFix: "Try adding an initializer or "
- "removing the 'const' modifier.",
- examples: const ["""
-void main() {
- const c; // This constant variable must be initialized.
-}"""]);
-
- static const MessageKind FINAL_WITHOUT_INITIALIZER = const MessageKind(
- "A final variable must be initialized.",
- howToFix: "Try adding an initializer or "
- "removing the 'final' modifier.",
- examples: const [
- "class C { static final field; } main() => C.field;"]);
-
- static const MessageKind MEMBER_USES_CLASS_NAME = const MessageKind(
- "Member variable can't have the same name as the class it is "
- "declared in.",
- howToFix: "Try renaming the variable.",
- examples: const ["""
-class A { var A; }
-main() {
- var a = new A();
- a.A = 1;
-}
-""", """
-class A { static var A; }
-main() => A.A = 1;
-"""]);
-
- static const MessageKind WRONG_NUMBER_OF_ARGUMENTS_FOR_ASSERT =
- const MessageKind(
- "Wrong number of arguments to assert. Should be 1, but given "
- "#{argumentCount}.");
-
- static const MessageKind ASSERT_IS_GIVEN_NAMED_ARGUMENTS = const MessageKind(
- "'assert' takes no named arguments, but given #{argumentCount}.");
-
- static const MessageKind FACTORY_REDIRECTION_IN_NON_FACTORY =
- const MessageKind(
- "Factory redirection only allowed in factories.");
-
- static const MessageKind MISSING_FACTORY_KEYWORD = const MessageKind(
- "Did you forget a factory keyword here?");
-
- static const MessageKind DEFERRED_LIBRARY_DART_2_DART =
- const MessageKind(
- "Deferred loading is not supported by the dart backend yet."
- "The output will not be split.");
-
- static const MessageKind DEFERRED_LIBRARY_WITHOUT_PREFIX =
- const MessageKind(
- "This import is deferred but there is no prefix keyword.",
- howToFix:
- "Try adding a prefix to the import.");
-
- static const MessageKind DEFERRED_OLD_SYNTAX =
- const MessageKind(
- "The DeferredLibrary annotation is obsolete.",
- howToFix:
- "Use the \"import 'lib.dart' deferred as prefix\" syntax instead.");
-
- static const MessageKind DEFERRED_LIBRARY_DUPLICATE_PREFIX =
- const MessageKind(
- "The prefix of this deferred import is not unique.",
- howToFix:
- "Try changing the import prefix.");
-
- static const MessageKind DEFERRED_TYPE_ANNOTATION =
- const MessageKind(
- "The type #{node} is deferred. "
- "Deferred types are not valid as type annotations.",
- howToFix:
- "Try using a non-deferred abstract class as an interface.");
-
- static const MessageKind ILLEGAL_STATIC = const MessageKind(
- "Modifier static is only allowed on functions declared in "
- "a class.");
-
- static const MessageKind STATIC_FUNCTION_BLOAT = const MessageKind(
- "Using '#{class}.#{name}' may lead to unnecessarily large "
- "generated code.",
- howToFix:
- "Try adding '@MirrorsUsed(...)' as described at "
- "https://goo.gl/Akrrog.");
-
- static const MessageKind NON_CONST_BLOAT = const MessageKind(
- "Using 'new #{name}' may lead to unnecessarily large generated "
- "code.",
- howToFix:
- "Try using 'const #{name}' or adding '@MirrorsUsed(...)' as "
- "described at https://goo.gl/Akrrog.");
-
- static const MessageKind STRING_EXPECTED = const MessageKind(
- "Expected a 'String', but got an instance of '#{type}'.");
-
- static const MessageKind PRIVATE_IDENTIFIER = const MessageKind(
- "'#{value}' is not a valid Symbol name because it starts with "
- "'_'.");
-
- static const MessageKind PRIVATE_NAMED_PARAMETER = const MessageKind(
- "Named optional parameter can't have a library private name.",
- howToFix: "Try removing the '_' or making the parameter positional or "
- "required.",
- examples: const ["""foo({int _p}) {} main() => foo();"""]
- );
-
- static const MessageKind UNSUPPORTED_LITERAL_SYMBOL = const MessageKind(
- "Symbol literal '##{value}' is currently unsupported by dart2js.");
-
- static const MessageKind INVALID_SYMBOL = const MessageKind('''
-'#{value}' is not a valid Symbol name because is not:
- * an empty String,
- * a user defined operator,
- * a qualified non-private identifier optionally followed by '=', or
- * a qualified non-private identifier followed by '.' and a user-defined '''
-"operator.");
-
- static const MessageKind AMBIGUOUS_REEXPORT = const MessageKind(
- "'#{name}' is (re)exported by multiple libraries.");
-
- static const MessageKind AMBIGUOUS_LOCATION = const MessageKind(
- "'#{name}' is defined here.");
-
- static const MessageKind IMPORTED_HERE = const MessageKind(
- "'#{name}' is imported here.");
-
- static const MessageKind OVERRIDE_EQUALS_NOT_HASH_CODE = const MessageKind(
- "The class '#{class}' overrides 'operator==', "
- "but not 'get hashCode'.");
-
- static const MessageKind PACKAGE_ROOT_NOT_SET = const MessageKind(
- "Cannot resolve '#{uri}'. Package root has not been set.");
-
- static const MessageKind INTERNAL_LIBRARY_FROM = const MessageKind(
- "Internal library '#{resolvedUri}' is not accessible from "
- "'#{importingUri}'.");
-
- static const MessageKind INTERNAL_LIBRARY = const MessageKind(
- "Internal library '#{resolvedUri}' is not accessible.");
-
- static const MessageKind LIBRARY_NOT_FOUND = const MessageKind(
- "Library not found '#{resolvedUri}'.");
-
- static const MessageKind UNSUPPORTED_EQ_EQ_EQ = const MessageKind(
- "'===' is not an operator. "
- "Did you mean '#{lhs} == #{rhs}' or 'identical(#{lhs}, #{rhs})'?");
-
- static const MessageKind UNSUPPORTED_BANG_EQ_EQ = const MessageKind(
- "'!==' is not an operator. "
- "Did you mean '#{lhs} != #{rhs}' or '!identical(#{lhs}, #{rhs})'?");
-
- static const MessageKind UNSUPPORTED_PREFIX_PLUS = const MessageKind(
- "'+' is not a prefix operator. ",
- howToFix: "Try removing '+'.",
- examples: const [
- "main() => +2; // No longer a valid way to write '2'"
- ]);
-
- static const MessageKind UNSUPPORTED_THROW_WITHOUT_EXP = const MessageKind(
- "No expression after 'throw'. "
- "Did you mean 'rethrow'?");
-
- static const MessageKind DEPRECATED_TYPEDEF_MIXIN_SYNTAX = const MessageKind(
- "'typedef' not allowed here. ",
- howToFix: "Try replacing 'typedef' with 'class'.",
- examples: const [
- """
-class B { }
-class M1 { }
-typedef C = B with M1; // Need to replace 'typedef' with 'class'.
-main() { new C(); }
-"""]
-);
-
- static const MessageKind MIRRORS_EXPECTED_STRING = const MessageKind(
- "Can't use '#{name}' here because it's an instance of '#{type}' "
- "and a 'String' value is expected.",
- howToFix: "Did you forget to add quotes?",
- examples: const [
- """
-// 'Foo' is a type literal, not a string.
-@MirrorsUsed(symbols: const [Foo])
-import 'dart:mirrors';
-
-class Foo {}
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_EXPECTED_STRING_OR_TYPE = const MessageKind(
- "Can't use '#{name}' here because it's an instance of '#{type}' "
- "and a 'String' or 'Type' value is expected.",
- howToFix: "Did you forget to add quotes?",
- examples: const [
- """
-// 'main' is a method, not a class.
-@MirrorsUsed(targets: const [main])
-import 'dart:mirrors';
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_EXPECTED_STRING_OR_LIST = const MessageKind(
- "Can't use '#{name}' here because it's an instance of '#{type}' "
- "and a 'String' or 'List' value is expected.",
- howToFix: "Did you forget to add quotes?",
- examples: const [
- """
-// 'Foo' is not a string.
-@MirrorsUsed(symbols: Foo)
-import 'dart:mirrors';
-
-class Foo {}
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_EXPECTED_STRING_TYPE_OR_LIST =
- const MessageKind(
- "Can't use '#{name}' here because it's an instance of '#{type}' "
- "but a 'String', 'Type', or 'List' value is expected.",
- howToFix: "Did you forget to add quotes?",
- examples: const [
- """
-// '1' is not a string.
-@MirrorsUsed(targets: 1)
-import 'dart:mirrors';
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_CANNOT_RESOLVE_IN_CURRENT_LIBRARY =
- const MessageKind(
- "Can't find '#{name}' in the current library.",
- // TODO(ahe): The closest identifiers in edit distance would be nice.
- howToFix: "Did you forget to add an import?",
- examples: const [
- """
-// 'window' is not in scope because dart:html isn't imported.
-@MirrorsUsed(targets: 'window')
-import 'dart:mirrors';
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_CANNOT_RESOLVE_IN_LIBRARY =
- const MessageKind(
- "Can't find '#{name}' in the library '#{library}'.",
- // TODO(ahe): The closest identifiers in edit distance would be nice.
- howToFix: "Is '#{name}' spelled right?",
- examples: const [
- """
-// 'List' is misspelled.
-@MirrorsUsed(targets: 'dart.core.Lsit')
-import 'dart:mirrors';
-
-main() {}
-"""]);
-
- static const MessageKind MIRRORS_CANNOT_FIND_IN_ELEMENT =
- const MessageKind(
- "Can't find '#{name}' in '#{element}'.",
- // TODO(ahe): The closest identifiers in edit distance would be nice.
- howToFix: "Is '#{name}' spelled right?",
- examples: const [
- """
-// 'addAll' is misspelled.
-@MirrorsUsed(targets: 'dart.core.List.addAl')
-import 'dart:mirrors';
-
-main() {}
-"""]);
-
- static const MessageKind READ_SCRIPT_ERROR = const MessageKind(
- "Can't read '#{uri}' (#{exception}).",
- // Don't know how to fix since the underlying error is unknown.
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const [
- """
-// 'foo.dart' does not exist.
-import 'foo.dart';
-
-main() {}
-"""]);
-
- static const MessageKind EXTRANEOUS_MODIFIER = const MessageKind(
- "Can't have modifier '#{modifier}' here.",
- howToFix: "Try removing '#{modifier}'.",
- examples: const [
- "var String foo; main(){}",
- // "var get foo; main(){}",
- "var set foo; main(){}",
- "var final foo; main(){}",
- "var var foo; main(){}",
- "var const foo; main(){}",
- "var abstract foo; main(){}",
- "var static foo; main(){}",
- "var external foo; main(){}",
- "get var foo; main(){}",
- "set var foo; main(){}",
- "final var foo; main(){}",
- "var var foo; main(){}",
- "const var foo; main(){}",
- "abstract var foo; main(){}",
- "static var foo; main(){}",
- "external var foo; main(){}"]);
-
- static const MessageKind EXTRANEOUS_MODIFIER_REPLACE = const MessageKind(
- "Can't have modifier '#{modifier}' here.",
- howToFix: "Try replacing modifier '#{modifier}' with 'var', 'final',"
- " or a type.",
- examples: const [
- // "get foo; main(){}",
- "set foo; main(){}",
- "abstract foo; main(){}",
- "static foo; main(){}",
- "external foo; main(){}"]);
-
- static const MessageKind ABSTRACT_CLASS_INSTANTIATION = const MessageKind(
- "Can't instantiate abstract class.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const ["abstract class A {} main() { new A(); }"]);
-
- static const MessageKind BODY_EXPECTED = const MessageKind(
- "Expected a function body or '=>'.",
- // TODO(ahe): In some scenarios, we can suggest removing the 'static'
- // keyword.
- howToFix: "Try adding {}.",
- examples: const [
- "main();"]);
-
- static const MessageKind MIRROR_BLOAT = const MessageKind(
- "#{count} methods retained for use by dart:mirrors out of #{total}"
- " total methods (#{percentage}%).");
-
- static const MessageKind MIRROR_IMPORT = const MessageKind(
- "Import of 'dart:mirrors'.");
-
- static const MessageKind MIRROR_IMPORT_NO_USAGE = const MessageKind(
- "This import is not annotated with @MirrorsUsed, which may lead to "
- "unnecessarily large generated code.",
- howToFix:
- "Try adding '@MirrorsUsed(...)' as described at "
- "https://goo.gl/Akrrog.");
-
- static const MessageKind WRONG_ARGUMENT_FOR_JS_INTERCEPTOR_CONSTANT =
- const MessageKind(
- "Argument for 'JS_INTERCEPTOR_CONSTANT' must be a type constant.");
-
- static const MessageKind EXPECTED_IDENTIFIER_NOT_RESERVED_WORD =
- const MessageKind(
- "'#{keyword}' is a reserved word and can't be used here.",
- howToFix: "Try using a different name.",
- examples: const ["do() {} main() {}"]);
-
- static const MessageKind NAMED_FUNCTION_EXPRESSION =
- const MessageKind("Function expression '#{name}' cannot be named.",
- howToFix: "Try removing the name.",
- examples: const ["main() { var f = func() {}; }"]);
-
- static const MessageKind UNUSED_METHOD = const MessageKind(
- "The method '#{name}' is never called.",
- howToFix: "Consider deleting it.",
- examples: const ["deadCode() {} main() {}"]);
-
- static const MessageKind UNUSED_CLASS = const MessageKind(
- "The class '#{name}' is never used.",
- howToFix: "Consider deleting it.",
- examples: const ["class DeadCode {} main() {}"]);
-
- static const MessageKind UNUSED_TYPEDEF = const MessageKind(
- "The typedef '#{name}' is never used.",
- howToFix: "Consider deleting it.",
- examples: const ["typedef DeadCode(); main() {}"]);
-
- static const MessageKind ABSTRACT_METHOD = const MessageKind(
- "The method '#{name}' has no implementation in "
- "class '#{class}'.",
- howToFix: "Try adding a body to '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-class Class {
- method();
-}
-main() => new Class().method();
-"""]);
-
- static const MessageKind ABSTRACT_GETTER = const MessageKind(
- "The getter '#{name}' has no implementation in "
- "class '#{class}'.",
- howToFix: "Try adding a body to '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-class Class {
- get getter;
-}
-main() => new Class();
-"""]);
-
- static const MessageKind ABSTRACT_SETTER = const MessageKind(
- "The setter '#{name}' has no implementation in "
- "class '#{class}'.",
- howToFix: "Try adding a body to '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-class Class {
- set setter(_);
-}
-main() => new Class();
-"""]);
-
- static const MessageKind INHERIT_GETTER_AND_METHOD = const MessageKind(
- "The class '#{class}' can't inherit both getters and methods "
- "by the named '#{name}'.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const ["""
-class A {
- get member => null;
-}
-class B {
- member() {}
-}
-class Class implements A, B {
-}
-main() => new Class();
-"""]);
-
- static const MessageKind INHERITED_METHOD = const MessageKind(
- "The inherited method '#{name}' is declared here in class "
- "'#{class}'.");
-
- static const MessageKind INHERITED_EXPLICIT_GETTER = const MessageKind(
- "The inherited getter '#{name}' is declared here in class "
- "'#{class}'.");
-
- static const MessageKind INHERITED_IMPLICIT_GETTER = const MessageKind(
- "The inherited getter '#{name}' is implicitly declared by this "
- "field in class '#{class}'.");
-
- static const MessageKind UNIMPLEMENTED_METHOD_ONE = const MessageKind(
- "'#{class}' doesn't implement '#{method}' "
- "declared in '#{declarer}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- m();
-}
-class C implements I {}
-main() => new C();
-""", """
-abstract class I {
- m();
-}
-class C extends I {}
-main() => new C();
-"""]);
-
- static const MessageKind UNIMPLEMENTED_METHOD = const MessageKind(
- "'#{class}' doesn't implement '#{method}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- m();
-}
-
-abstract class J {
- m();
-}
-
-class C implements I, J {}
-
-main() {
- new C();
-}
-""", """
-abstract class I {
- m();
-}
-
-abstract class J {
- m();
-}
-
-class C extends I implements J {}
-
-main() {
- new C();
-}
-"""]);
-
- static const MessageKind UNIMPLEMENTED_METHOD_CONT = const MessageKind(
- "The method '#{name}' is declared here in class '#{class}'.");
-
- static const MessageKind UNIMPLEMENTED_SETTER_ONE = const MessageKind(
- "'#{class}' doesn't implement the setter '#{name}' "
- "declared in '#{declarer}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- set m(_);
-}
-class C implements I {}
-class D implements I {
- set m(_) {}
-}
-main() {
- new D().m = 0;
- new C();
-}
-"""]);
-
- static const MessageKind UNIMPLEMENTED_SETTER = const MessageKind(
- "'#{class}' doesn't implement the setter '#{name}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- set m(_);
-}
-abstract class J {
- set m(_);
-}
-class C implements I, J {}
-main() => new C();
-""", """
-abstract class I {
- set m(_);
-}
-abstract class J {
- set m(_);
-}
-class C extends I implements J {}
-main() => new C();
-"""]);
-
- static const MessageKind UNIMPLEMENTED_EXPLICIT_SETTER = const MessageKind(
- "The setter '#{name}' is declared here in class '#{class}'.");
-
- static const MessageKind UNIMPLEMENTED_IMPLICIT_SETTER = const MessageKind(
- "The setter '#{name}' is implicitly declared by this field "
- "in class '#{class}'.");
-
- static const MessageKind UNIMPLEMENTED_GETTER_ONE = const MessageKind(
- "'#{class}' doesn't implement the getter '#{name}' "
- "declared in '#{declarer}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- get m;
-}
-class C implements I {}
-main() => new C();
-""", """
-abstract class I {
- get m;
-}
-class C extends I {}
-main() => new C();
-"""]);
-
- static const MessageKind UNIMPLEMENTED_GETTER = const MessageKind(
- "'#{class}' doesn't implement the getter '#{name}'.",
- howToFix: "Try adding an implementation of '#{name}' or declaring "
- "'#{class}' to be 'abstract'.",
- examples: const ["""
-abstract class I {
- get m;
-}
-abstract class J {
- get m;
-}
-class C implements I, J {}
-main() => new C();
-""", """
-abstract class I {
- get m;
-}
-abstract class J {
- get m;
-}
-class C extends I implements J {}
-main() => new C();
-"""]);
-
- static const MessageKind UNIMPLEMENTED_EXPLICIT_GETTER = const MessageKind(
- "The getter '#{name}' is declared here in class '#{class}'.");
-
- static const MessageKind UNIMPLEMENTED_IMPLICIT_GETTER = const MessageKind(
- "The getter '#{name}' is implicitly declared by this field "
- "in class '#{class}'.");
-
- static const MessageKind EQUAL_MAP_ENTRY_KEY = const MessageKind(
- "An entry with the same key already exists in the map.",
- howToFix: "Try removing the previous entry or changing the key in one "
- "of the entries.",
- examples: const ["""
-main() {
- var m = const {'foo': 1, 'foo': 2};
-}"""]);
-
- static const MessageKind BAD_INPUT_CHARACTER = const MessageKind(
- "Character U+#{characterHex} isn't allowed here.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const ["""
-main() {
- String x = ç;
-}
-"""]);
-
- static const MessageKind UNTERMINATED_STRING = const MessageKind(
- "String must end with #{quote}.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const ["""
-main() {
- return '
-;
-}
-""",
-"""
-main() {
- return \"
-;
-}
-""",
-"""
-main() {
- return r'
-;
-}
-""",
-"""
-main() {
- return r\"
-;
-}
-""",
-"""
-main() => '''
-""",
-"""
-main() => \"\"\"
-""",
-"""
-main() => r'''
-""",
-"""
-main() => r\"\"\"
-"""]);
-
- static const MessageKind UNMATCHED_TOKEN = const MessageKind(
- "Can't find '#{end}' to match '#{begin}'.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const[
- "main(",
- "main(){",
- "main(){]}",
- ]);
-
- static const MessageKind UNTERMINATED_TOKEN = const MessageKind(
- // This is a fall-back message that shouldn't happen.
- "Incomplete token.");
-
- static const MessageKind EXPONENT_MISSING = const MessageKind(
- "Numbers in exponential notation should always contain an exponent"
- " (an integer number with an optional sign).",
- howToFix: "Make sure there is an exponent, and remove any whitespace "
- "before it.",
- examples: const ["""
-main() {
- var i = 1e;
-}
-"""]);
-
- static const MessageKind HEX_DIGIT_EXPECTED = const MessageKind(
- "A hex digit (0-9 or A-F) must follow '0x'.",
- howToFix: DONT_KNOW_HOW_TO_FIX, // Seems obvious from the error message.
- examples: const ["""
-main() {
- var i = 0x;
-}
-"""]);
-
- static const MessageKind MALFORMED_STRING_LITERAL = const MessageKind(
- r"A '$' has special meaning inside a string, and must be followed by an"
- " identifier or an expression in curly braces ({}).",
- howToFix: r"Try adding a backslash (\) to escape the '$'.",
- examples: const [r"""
-main() {
- return '$';
-}
-""",
-r'''
-main() {
- return "$";
-}
-''',
-r"""
-main() {
- return '''$''';
-}
-""",
-r'''
-main() {
- return """$""";
-}
-''']);
-
- static const MessageKind UNTERMINATED_COMMENT = const MessageKind(
- "Comment starting with '/*' must end with '*/'.",
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const [r"""
-main() {
-}
-/*"""]);
-
- static const MessageKind MISSING_TOKEN_BEFORE_THIS = const MessageKind(
- "Expected '#{token}' before this.",
- // Consider the second example below: the parser expects a ')' before
- // 'y', but a ',' would also have worked. We don't have enough
- // information to give a good suggestion.
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const [
- "main() => true ? 1;",
- "main() => foo(x: 1 y: 2);",
- ]);
-
- static const MessageKind MISSING_TOKEN_AFTER_THIS = const MessageKind(
- "Expected '#{token}' after this.",
- // See [MISSING_TOKEN_BEFORE_THIS], we don't have enough information to
- // give a good suggestion.
- howToFix: DONT_KNOW_HOW_TO_FIX,
- examples: const [
- "main(x) {x}",
-"""
-class S1 {}
-class S2 {}
-class S3 {}
-class A = S1 with S2, S3
-main() => new A();
-"""
-]);
-
- static const MessageKind CONSIDER_ANALYZE_ALL = const MessageKind(
- "Could not find '#{main}'. Nothing will be analyzed.",
- howToFix: "Try using '--analyze-all' to analyze everything.",
- examples: const ['']);
-
- static const MessageKind MISSING_MAIN = const MessageKind(
- "Could not find '#{main}'.",
- howToFix: "Try adding a method named '#{main}' to your program."
- /* No example, test uses '--analyze-only' which will produce the above
- * message [CONSIDER_ANALYZE_ALL]. An example for a human operator would
- * be an empty file. */);
-
- static const MessageKind MAIN_NOT_A_FUNCTION = const MessageKind(
- "'#{main}' is not a function.",
- howToFix: DONT_KNOW_HOW_TO_FIX, /* Don't state the obvious. */
- examples: const ['var main;']);
-
- static const MessageKind MAIN_WITH_EXTRA_PARAMETER = const MessageKind(
- "'#{main}' cannot have more than two parameters.",
- howToFix: DONT_KNOW_HOW_TO_FIX, /* Don't state the obvious. */
- examples: const ['main(a, b, c) {}']);
-
- static const MessageKind COMPILER_CRASHED = const MessageKind(
- "The compiler crashed when compiling this element.");
-
- static const MessageKind PLEASE_REPORT_THE_CRASH = const MessageKind('''
-The compiler is broken.
-
-When compiling the above element, the compiler crashed. It is not
-possible to tell if this is caused by a problem in your program or
-not. Regardless, the compiler should not crash.
-
-The Dart team would greatly appreciate if you would take a moment to
-report this problem at http://dartbug.com/new.
-
-Please include the following information:
-
-* the name and version of your operating system,
-
-* the Dart SDK build number (#{buildId}), and
-
-* the entire message you see here (including the full stack trace
- below as well as the source location above).
-''');
-
- static const MessageKind POTENTIAL_MUTATION = const MessageKind(
- "Variable '#{variableName}' is not known to be of type "
- "'#{shownType}' because it is potentially mutated in the scope for "
- "promotion.");
-
- static const MessageKind POTENTIAL_MUTATION_HERE = const MessageKind(
- "Variable '#{variableName}' is potentially mutated here.");
-
- static const MessageKind POTENTIAL_MUTATION_IN_CLOSURE = const MessageKind(
- "Variable '#{variableName}' is not known to be of type "
- "'#{shownType}' because it is potentially mutated within a closure.");
-
- static const MessageKind POTENTIAL_MUTATION_IN_CLOSURE_HERE =
- const MessageKind(
- "Variable '#{variableName}' is potentially mutated in a "
- "closure here.");
-
- static const MessageKind ACCESSED_IN_CLOSURE = const MessageKind(
- "Variable '#{variableName}' is not known to be of type "
- "'#{shownType}' because it is accessed by a closure in the scope for "
- "promotion and potentially mutated in the scope of '#{variableName}'.");
-
- static const MessageKind ACCESSED_IN_CLOSURE_HERE = const MessageKind(
- "Variable '#{variableName}' is accessed in a closure here.");
-
- static const MessageKind NOT_MORE_SPECIFIC = const MessageKind(
- "Variable '#{variableName}' is not shown to have type "
- "'#{shownType}' because '#{shownType}' is not more specific than the "
- "known type '#{knownType}' of '#{variableName}'.");
-
- static const MessageKind NOT_MORE_SPECIFIC_SUBTYPE = const MessageKind(
- "Variable '#{variableName}' is not shown to have type "
- "'#{shownType}' because '#{shownType}' is not a subtype of the "
- "known type '#{knownType}' of '#{variableName}'.");
-
- static const MessageKind NOT_MORE_SPECIFIC_SUGGESTION = const MessageKind(
- "Variable '#{variableName}' is not shown to have type "
- "'#{shownType}' because '#{shownType}' is not more specific than the "
- "known type '#{knownType}' of '#{variableName}'.",
- howToFix: "Try replacing '#{shownType}' with '#{shownTypeSuggestion}'.");
-
- static const MessageKind HIDDEN_WARNINGS_HINTS = const MessageKind(
- "#{warnings} warning(s) and #{hints} hint(s) suppressed in #{uri}.");
-
- static const MessageKind HIDDEN_WARNINGS = const MessageKind(
- "#{warnings} warning(s) suppressed in #{uri}.");
-
- static const MessageKind HIDDEN_HINTS = const MessageKind(
- "#{hints} hint(s) suppressed in #{uri}.");
-
- static const MessageKind PREAMBLE = const MessageKind(
- "When run on the command-line, the compiled output might"
- " require a preamble file located in:\n"
- " <sdk>/lib/_internal/compiler/js_lib/preambles.");
-
-
- static const MessageKind EXPERIMENTAL_ASYNC_AWAIT = const MessageKind(
- "Experimental language feature 'async/await' is not supported.");
-
- static const MessageKind INVALID_STARRED_KEYWORD = const MessageKind(
- "Invalid '#{keyword}' keyword.",
- options: const ['--enable-async'],
- howToFix: "Try removing whitespace between '#{keyword}' and '*'.",
- examples: const [
- "main() async * {}",
- "main() sync * {}",
- "main() async* { yield * 0; }"
- ]);
-
- static const MessageKind INVALID_SYNC_MODIFIER = const MessageKind(
- "Invalid modifier 'sync'.",
- options: const ['--enable-async'],
- howToFix: "Try replacing 'sync' with 'sync*'.",
- examples: const [
- "main() sync {}"
- ]);
-
- static const MessageKind INVALID_AWAIT_FOR = const MessageKind(
- "'await' is only supported on for-in loops.",
- options: const ['--enable-async'],
- howToFix: "Try rewriting the loop as a for-in loop or removing the "
- "'await' keyword.",
- examples: const ["""
-main() async* {
- await for (int i = 0; i < 10; i++) {}
-}
-"""]);
-
- static const MessageKind ASYNC_MODIFIER_ON_ABSTRACT_METHOD =
- const MessageKind(
- "The modifier '#{modifier}' is not allowed on an abstract method.",
- options: const ['--enable-async'],
- howToFix: "Try removing the '#{modifier}' modifier or adding a "
- "body to the method.",
- examples: const ["""
-abstract class A {
- method() async;
-}
-class B extends A {
- method() {}
-}
-main() {
- A a = new B();
- a.method();
-}
-"""]);
-
- static const MessageKind ASYNC_MODIFIER_ON_CONSTRUCTOR =
- const MessageKind(
- "The modifier '#{modifier}' is not allowed on constructors.",
- options: const ['--enable-async'],
- howToFix: "Try removing the '#{modifier}' modifier.",
- examples: const ["""
-class A {
- A() async;
-}
-main() => new A();""",
-
-"""
-class A {
- A();
- factory A.a() async* => new A();
-}
-main() => new A.a();"""]);
-
- static const MessageKind YIELDING_MODIFIER_ON_ARROW_BODY =
- const MessageKind(
- "The modifier '#{modifier}' is not allowed on methods implemented "
- "using '=>'.",
- options: const ['--enable-async'],
- howToFix: "Try removing the '#{modifier}' modifier or implementing "
- "the method body using a block: '{ ... }'.",
- examples: const ["main() sync* => null;", "main() async* => null;"]);
-
- // TODO(johnniwinther): Check for 'async' as identifier.
- static const MessageKind ASYNC_KEYWORD_AS_IDENTIFIER = const MessageKind(
- "'#{keyword}' cannot be used as an identifier in a function body marked "
- "with '#{modifier}'.",
- options: const ['--enable-async'],
- howToFix: "Try removing the '#{modifier}' modifier or renaming the "
- "identifier.",
- examples: const ["""
-main() async {
- var await;
-}""",
-"""
-main() async* {
- var yield;
-}""",
-"""
-main() sync* {
- var yield;
-}"""]);
-
- //////////////////////////////////////////////////////////////////////////////
- // Patch errors start.
- //////////////////////////////////////////////////////////////////////////////
-
- static const MessageKind PATCH_RETURN_TYPE_MISMATCH = const MessageKind(
- "Patch return type '#{patchReturnType}' does not match "
- "'#{originReturnType}' on origin method '#{methodName}'.");
-
- static const MessageKind PATCH_REQUIRED_PARAMETER_COUNT_MISMATCH =
- const MessageKind(
- "Required parameter count of patch method "
- "(#{patchParameterCount}) does not match parameter count on origin "
- "method '#{methodName}' (#{originParameterCount}).");
-
- static const MessageKind PATCH_OPTIONAL_PARAMETER_COUNT_MISMATCH =
- const MessageKind(
- "Optional parameter count of patch method "
- "(#{patchParameterCount}) does not match parameter count on origin "
- "method '#{methodName}' (#{originParameterCount}).");
-
- static const MessageKind PATCH_OPTIONAL_PARAMETER_NAMED_MISMATCH =
- const MessageKind(
- "Optional parameters of origin and patch method "
- "'#{methodName}' must both be either named or positional.");
-
- static const MessageKind PATCH_PARAMETER_MISMATCH = const MessageKind(
- "Patch method parameter '#{patchParameter}' does not match "
- "'#{originParameter}' on origin method '#{methodName}'.");
-
- static const MessageKind PATCH_PARAMETER_TYPE_MISMATCH = const MessageKind(
- "Patch method parameter '#{parameterName}' type "
- "'#{patchParameterType}' does not match '#{originParameterType}' on "
- "origin method '#{methodName}'.");
-
- static const MessageKind PATCH_EXTERNAL_WITHOUT_IMPLEMENTATION =
- const MessageKind("External method without an implementation.");
-
- static const MessageKind PATCH_POINT_TO_FUNCTION = const MessageKind(
- "This is the function patch '#{functionName}'.");
-
- static const MessageKind PATCH_POINT_TO_CLASS = const MessageKind(
- "This is the class patch '#{className}'.");
-
- static const MessageKind PATCH_POINT_TO_GETTER = const MessageKind(
- "This is the getter patch '#{getterName}'.");
-
- static const MessageKind PATCH_POINT_TO_SETTER = const MessageKind(
- "This is the setter patch '#{setterName}'.");
-
- static const MessageKind PATCH_POINT_TO_CONSTRUCTOR = const MessageKind(
- "This is the constructor patch '#{constructorName}'.");
-
- static const MessageKind PATCH_POINT_TO_PARAMETER = const MessageKind(
- "This is the patch parameter '#{parameterName}'.");
-
- static const MessageKind PATCH_NON_EXISTING = const MessageKind(
- "Origin does not exist for patch '#{name}'.");
-
- // TODO(ahe): Eventually, this error should be removed as it will be handled
- // by the regular parser.
- static const MessageKind PATCH_NONPATCHABLE = const MessageKind(
- "Only classes and functions can be patched.");
-
- static const MessageKind PATCH_NON_EXTERNAL = const MessageKind(
- "Only external functions can be patched.");
-
- static const MessageKind PATCH_NON_CLASS = const MessageKind(
- "Patching non-class with class patch '#{className}'.");
-
- static const MessageKind PATCH_NON_GETTER = const MessageKind(
- "Cannot patch non-getter '#{name}' with getter patch.");
-
- static const MessageKind PATCH_NO_GETTER = const MessageKind(
- "No getter found for getter patch '#{getterName}'.");
-
- static const MessageKind PATCH_NON_SETTER = const MessageKind(
- "Cannot patch non-setter '#{name}' with setter patch.");
-
- static const MessageKind PATCH_NO_SETTER = const MessageKind(
- "No setter found for setter patch '#{setterName}'.");
-
- static const MessageKind PATCH_NON_CONSTRUCTOR = const MessageKind(
- "Cannot patch non-constructor with constructor patch "
- "'#{constructorName}'.");
-
- static const MessageKind PATCH_NON_FUNCTION = const MessageKind(
- "Cannot patch non-function with function patch "
- "'#{functionName}'.");
-
- //////////////////////////////////////////////////////////////////////////////
- // Patch errors end.
- //////////////////////////////////////////////////////////////////////////////
-
- static const MessageKind CALL_NOT_SUPPORTED_ON_NATIVE_CLASS =
- const MessageKind(
- "Non-supported 'call' member on a native class, or a "
- "subclass of a native class.");
-
- toString() => template;
-
- Message message([Map arguments = const {}, bool terse = false]) {
- return new Message(this, arguments, terse);
- }
-
- bool get hasHowToFix => howToFix != null && howToFix != DONT_KNOW_HOW_TO_FIX;
-}
-
-class Message {
- final MessageKind kind;
- final Map arguments;
- final bool terse;
- String message;
-
- Message(this.kind, this.arguments, this.terse) {
- assert(() { computeMessage(); return true; });
- }
-
- String computeMessage() {
- if (message == null) {
- message = kind.template;
- arguments.forEach((key, value) {
- message = message.replaceAll('#{${key}}', convertToString(value));
- });
- assert(invariant(
- CURRENT_ELEMENT_SPANNABLE,
- kind == MessageKind.GENERIC ||
- !message.contains(new RegExp(r'#\{.+\}')),
- message: 'Missing arguments in error message: "$message"'));
- if (!terse && kind.hasHowToFix) {
- String howToFix = kind.howToFix;
- arguments.forEach((key, value) {
- howToFix = howToFix.replaceAll('#{${key}}', convertToString(value));
- });
- message = '$message\n$howToFix';
- }
- }
- return message;
- }
-
- String toString() {
- return computeMessage();
- }
-
- bool operator==(other) {
- if (other is !Message) return false;
- return (kind == other.kind) && (toString() == other.toString());
- }
-
- int get hashCode => throw new UnsupportedError('Message.hashCode');
-
- static String convertToString(value) {
- if (value is ErrorToken) {
- // Shouldn't happen.
- return value.assertionMessage;
- } else if (value is Token) {
- value = value.value;
- }
- return '$value';
- }
-}
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