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changelog.txt
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---------------------------------------------------------------------------
Version 3.3.0, April 1, 2020
New command-line options:
-Alint=trustArrayLenZero trust @ArrayLen(0) annotations when determining
the type of Collections.toArray.
Renamings:
-AuseDefaultsForUncheckedCode to -AuseConservativeDefaultsForUncheckedCode
The old name works temporarily but will be removed in a future release.
For collection methods with `Object` formal parameter type, such as
contains, indexOf, and remove, the annotated JDK now forbids null as an
argument. To make the Nullness Checker permit null, pass
`-Astubs=checker.jar/collection-object-parameters-may-be-null.astub`.
The argument to @SuppressWarnings can be a substring of a message key that
extends at each end to a period or an end of the key. (Previously, any
substring worked, including the empty string which suppressed all warnings.
Use "all" to suppress all warnings.)
All postcondition annotations are repeatable (e.g., `@EnsuresNonNull`,
`@EnsuresNonNullIf`, ...).
Renamed wrapper annotations (which users should not write):
* `@DefaultQualifiers` => `@DefaultQualifier.List`
* `@EnsuresQualifiersIf` => `@EnsuresQualifierIf.List`
* `@EnsuresQualifiers` => `@EnsuresQualifier.List`
* `@RequiresQualifiers` => `@RequiresQualifier.List`
Implementation details:
* Removed `@DefaultInUncheckedCodeFor` and
`@DefaultQualifierInHierarchyInUncheckedCode`.
* Renamings:
applyUncheckedCodeDefaults() to applyConservativeDefaults()
useUncheckedCodeDefault() to useConservativeDefault()
AnnotatedTypeReplacer to AnnotatedTypeCopierWithReplacement
AnnotatedTypeMerger to AnnotatedTypeReplacer
* Deprecated the `framework.source.Result` class; use `DiagMessage` or
`List<DiagMessage>` instead. If you were creating a `Result` just to
pass it to `report`, then call new methods `reportError` and
`reportWarning` instead.
* AbstractTypeProcessor#typeProcessingOver() always gets called.
Closed issues:
1307, 1881, 1929, 2432, 2793, 3040, 3046, 3050, 3056, 3083, 3124, 3126, 3129,
3132, 3139, 3149, 3150, 3167, 3189.
---------------------------------------------------------------------------
Version 3.2.0, March 2, 2020
@SuppressWarnings("initialization") suppresses only warnings whose key
contains "initialization". Previously, it suppressed all warnings issued
by the Nullness Checker or the Initialization Checker.
Closed issues:
2719, 3001, 3020, 3069, 3093, 3120.
---------------------------------------------------------------------------
Version 3.1.1, February 3, 2020
New command-line options:
-AassumeDeterministic Unsoundly assume that every method is deterministic
-AassumePure Unsoundly assume that every method is pure
Renamed -Anocheckjdk to -ApermitMissingJdk.
The old version still works, for backward compatibility.
Renamed -Alint=forbidnonnullarraycomponents to
-Alint=soundArrayCreationNullness. The old version still works, for
backward compatibility.
Implementation details:
* Deprecated QualifierHierarchy#getTypeQualifiers.
* Deprecated Analysis#Analysis(ProcessingEnvironment) and Analysis#Analysis(T,
int, ProcessingEnvironment); use Analysis#Analysis(), Analysis#Analysis(int),
Analysis#Analysis(T), and Analysis#Analysis(T, int) instead.
* Renamed SourceChecker#getMessages to getMessagesProperties.
* Renamed one overload of SourceChecker.printMessages to printOrStoreMessage.
Closed issues:
2181, 2975, 3018, 3022, 3032, 3036, 3037, 3038, 3041, 3049, 3055, 3076.
---------------------------------------------------------------------------
Version 3.1.0, January 3, 2020
Command-line option -AprintGitProperties prints information about the git
repository from which the Checker Framework was compiled.
Implementation details:
* Removed static cache in AnnotationUtils#areSameByClass and added
AnnotatedTypeFactory#areSameByClass that uses an instance cache.
* Removed static cache in AnnotationBuilder#fromName and #fromClass.
* ContractsUtils#getPreconditions takes an ExecutableElement as an argument.
* ContractsUtils#getContracts returns a Set.
* Moved ContractUtils.Contract to outer level.
* Renamed ConditionalPostcondition#annoResult to ConditionalPostcondition#resultValue.
Closed issues:
2867, 2897, 2972.
---------------------------------------------------------------------------
Version 3.0.1, December 2, 2019
New command-line option for the Constant Value Checker
`-AnoNullStringsConcatenation` unsoundly assumes that every operand of a String
concatenation is non-null.
Implementation details:
* Moved AnnotatedTypes#hasTypeQualifierElementTypes to AnnotationUtils.
* Deprecated AnnotatedTypes#isTypeAnnotation and AnnotatedTypes#hasTypeQualifierElementTypes.
Closed issues:
945, 1224, 2024, 2744, 2809, 2815, 2818, 2830, 2840, 2853, 2854, 2865, 2873,
2874, 2878, 2880, 2886, 2888, 2900, 2905, 2919, 2923.
---------------------------------------------------------------------------
Version 3.0.0, November 1, 2019
The Checker Framework works on both JDK 8 and JDK 11.
* Type annotations for JDK 8 remain in jdk8.jar.
* Type annotations for JDK 11 appear in stub files in checker.jar.
Removed the @PolyAll annotation.
Implementation details:
* Removed all previously deprecated methods.
* AnnotatedTypeFactory#getFnInterfaceFromTree now returns an AnnotatedExecutableType.
* AnnotationUtils#areSame and #areSameByName now only accept non-null
AnnotationMirrors
Closed issues:
1169, 1654, 2081, 2703, 2739, 2749, 2779, 2781, 2798, 2820, 2824, 2829, 2842,
2845, 2848.
---------------------------------------------------------------------------
Version 2.11.1, October 1, 2019
The manual links to the Object Construction Checker.
Closed issues:
1635, 2718, 2767.
---------------------------------------------------------------------------
Version 2.11.0, August 30, 2019
The Checker Framework now uses the Java 9 javac API. The manual describes
how to satisfy this dependency, in a way that works on a Java 8 JVM.
Running the Checker Framework on a Java 9 JVM is not yet supported.
---------------------------------------------------------------------------
Version 2.10.1, August 22, 2019
Closed issues:
1152, 1614, 2031, 2482, 2543, 2587, 2678, 2686, 2690, 2712, 2717, 2713, 2721,
2725, 2729.
---------------------------------------------------------------------------
Version 2.10.0, August 1, 2019
Removed the NullnessRawnessChecker. Use the NullnessChecker instead.
Closed issues:
435, 939, 1430, 1687, 1771, 1902, 2173, 2345, 2470, 2534, 2606, 2613, 2619,
2633, 2638.
---------------------------------------------------------------------------
Version 2.9.0, July 3, 2019
Renamed the Signedness Checker's @Constant annotation to @SignednessGlb.
Introduced an alias, @SignedPositive, for use by programmers.
Annotated the first argument of Opt.get and Opt.orElseThrow as @NonNull.
Removed meta-annotation @ImplicitFor:
* Use the new meta-annotation @QualifierForLiteral to replace
@ImplicitFor(literals, stringpatterns).
* Use the meta-annotation @DefaultFor to replace @ImplicitFor(typeKinds,
types).
* Use the new meta-annotation @UpperBoundFor to specify a qualifier upper
bound for certain types.
* You can completely remove
@ImplicitFor(typeNames = Void.class, literals = LiteralKind.NULL)
on bottom qualifiers.
@DefaultFor(types = Void.class)
and
@QualifierForLiterals(literals = LiteralKind.NULL)
are added to the bottom qualifier by default.
Add @DefaultQualifierOnUse and @NoDefaultQualifierOnUse type declaration annotations
New/changed error message keys:
* initialization.static.fields.uninitialized for uninitialized static fields
* unary.increment.type.incompatible and unary.decrement.type.incompatible
replace some occurrences of compound.assignment.type.incompatible
Implementation details:
* Renamed QualifierPolymorphism#annotate methods to resolve
* Renamed ImplicitsTreeAnnotator to LiteralTreeAnnotator
* Renamed ImplicitsTypeAnnotator to DefaultForTypeAnnotator
* Removed TypeUseLocation.TYPE_DECLARATION
* Removed InheritedFromClassAnnotator, replace with DefaultQualifierForUseTypeAnnotator
* Rename TreeUtils.isSuperCall and TreeUtils.isThisCall to
isSuperConstructorCall and isThisConstructorCall
Closed issues:
2247, 2391, 2409, 2434, 2451, 2457, 2468, 2484, 2485, 2493, 2505, 2536, 2537,
2540, 2541, 2564, 2565, 2585.
---------------------------------------------------------------------------
Version 2.8.2, June 3, 2019
The Signature Checker supports a new type, @FqBinaryName.
Added a template for a repository that you can use to write a custom checker.
Linked to the Checker Framework Gradle plugin, which makes it easy to run
a checker on a project that is built using the Gradle build tool.
Implementation detail: deprecated TreeUtils.skipParens in favor of
TreeUtils.withoutParens which has the same specification.
Closed issues:
2291, 2406, 2469, 2477, 2479, 2480, 2494, 2499.
---------------------------------------------------------------------------
Version 2.8.1, May 1, 2019
Moved text about the Purity Checker into its own chapter in the manual.
Closed issues:
660, 2030, 2223, 2240, 2244, 2375, 2407, 2410, 2415, 2420, 2421, 2446, 2447,
2460, 2462.
---------------------------------------------------------------------------
Version 2.8.0, April 3, 2019
Support `androidx.annotation.RecentlyNonNull` and `RecentlyNullable` (as of
2.6.0, but not previously documented).
The following qualifiers are now repeatable: `@DefaultQualifier`
`@EnsuresQualifierIf` `@EnsuresQualifier` `@RequiresQualifier`. Therefore,
users generally do not need to write the following wrapper annotations:
`@DefaultQualifiers` `@EnsuresQualifiersIf` `@EnsuresQualifiers`
`@RequiresQualifiers`.
New command-line option `-ArequirePrefixInWarningSuppressions` makes
`@SuppressWarnings` recognize warning keys of the form
"checkername:key.about.problem" but ignore warning keys of the form
"key.about.problem" without the checker name as a prefix.
New CONSTRUCTOR_RESULT enum constant in TypeUseLocation makes it possible to
set default annotations for constructor results.
Clarified the semantics of annotations on class and constructor declarations.
See Section 25.5 "Annotations on classes and constructors" in the manual.
Interface changes:
* Added protected methods to BaseTypeVisitor so that checkers can change the
checks for annotations on classes, constructor declarations, and constructor
invocations.
* Removed BaseTypeVisitor#checkAssignability and BaseTypeVisitor#isAssignable
methods.
* Renamed AnnotatedTypeFactory#getEnclosingMethod to
AnnotatedTypeFactory#getEnclosingElementForArtificialTree
Closed issues:
2159, 2230, 2318, 2324, 2330, 2334, 2343, 2344, 2353, 2366, 2367, 2370, 2371,
2385.
---------------------------------------------------------------------------
Version 2.7.0, March 1, 2019
The manual links to the AWS crypto policy compliance checker, which enforces
that no weak cipher algorithms are used with the Java crypto API.
The Nullness Checker supports RxJava annotations
io.reactivex.annotations.NonNull and io.reactivex.annotations.Nullable.
The checker-qual artifact (jar file) contains an OSGi manifest.
New TYPE_DECLARATION enum constant in TypeUseLocation makes it possible to
(for example) set defaults annotations for class/interface definitions.
Interface changes:
* Renamed the "value" element of the @HasSubsequence annotation to
"subsequence".
* Renamed @PolySignedness to @PolySigned.
* Renamed AnnotatedTypeFactory.ParameterizedMethodType to
ParameterizedExecutableType.
Added missing checks regarding annotations on classes, constructor
declarations, and constructor invocations. You may see new warnings.
Closed issues:
788, 1751, 2147, 2163, 2186, 2235, 2243, 2263, 2264, 2286, 2302, 2326, 2327.
---------------------------------------------------------------------------
Version 2.6.0, February 3, 2019
The manual includes a section about how to use Lombok and the Checker
Framework simultaneously.
Commons CSV has been added to the annotated libraries on Maven Central.
Some error messages have been changed to improve comprehensibility,
such as by adjusting wording or adding additional information.
Relevant to type system implementers:
Renamed method areSameIgnoringValues to areSameByName.
Closed issues: 2008, 2166, 2185, 2187, 2221, 2224, 2229, 2234, 2248.
Also fixed false negatives in handling of Map.get().
---------------------------------------------------------------------------
Version 2.5.8, December 5, 2018
The manual now links to the AWS KMS compliance checker, which enforces
that calls to AWS KMS only generate 256-bit keys.
Closed issues: 372, 1678, 2207, 2212, 2217.
---------------------------------------------------------------------------
Version 2.5.7, November 4, 2018
New @EnsuresKeyFor and @EnsuresKeyForIf method annotations permit
specifying the postcondition that a method gives some value a @KeyFor type.
The manual links to the Rx Thread & Effect Checker, which enforces
UI Thread safety properties for stream-based Android applications.
Closed issues:
1014, 2151, 2178, 2180, 2183, 2188, 2190, 2195, 2196, 2198, 2199
---------------------------------------------------------------------------
Version 2.5.6, October 3, 2018
Introduce checker-qual-android artifact that is just like the checker-qual
artifact, but the qualifiers have classfile retention. This is useful for
Android projects.
Remove the checker-compat-qual artifact, which was only useful for Java 7,
which the Checker Framework no longer supports. It remains available on
Maven Central, with versions 2.5.5 and earlier.
Closed issues:
2135, 2157, 2158, 2164, 2171.
---------------------------------------------------------------------------
Version 2.5.5, August 30, 2018
Implicit imports (deprecated in November 2014) are no longer supported.
Renamed the testlib Maven artifact to framework-test.
Removed command-line option -AprintErrorStack, which is now the default.
Added -AnoPrintErrorStack to disable it (which should be rare).
Replaced ErrorReporter class with BugInCF and UserError exceptions.
Closed issues:
1999, 2008, 2023, 2029, 2074, 2088, 2098, 2099, 2102, 2107.
---------------------------------------------------------------------------
Version 2.5.4, August 1, 2018
Closed issues:
2030, 2048, 2052, 2059, 2065, 2067, 2073, 2082.
---------------------------------------------------------------------------
Version 2.5.3, July 2, 2018
Closed issues:
266, 1248, 1678, 2010, 2011, 2018, 2020, 2046, 2047, 2054.
---------------------------------------------------------------------------
Version 2.5.2, June 1, 2018
In the Map Key Checker, null is now @UnknownKeyFor. See the "Map Key Checker"
chapter in the manual for more details.
Closed issues:
370, 469, 1701, 1916, 1922, 1959, 1976, 1978, 1981, 1983, 1984, 1991, 1992.
---------------------------------------------------------------------------
Version 2.5.1, May 1, 2018
Added a Maven artifact of the Checker Framework testing library, testlib.
Closed issues:
849, 1739, 1838, 1847, 1890, 1901, 1911, 1912, 1913, 1934, 1936, 1941, 1942,
1945, 1946, 1948, 1949, 1952, 1953, 1956, 1958.
---------------------------------------------------------------------------
Version 2.5.0, April 2, 2018
Declaration annotations that are aliases for type annotations are now treated
as if they apply to the top-level type. See "Declaration annotations" section
in the "Warnings" chapter in the manual for more details.
Ended support for annotations in comments. See "Migrating away from
annotations in comments" section in the "Handling legacy code" chapter in the
manual for instructions on how to remove annotations from comments.
Closed issues:
515, 1667, 1739, 1776, 1819, 1863, 1864, 1865, 1866, 1867, 1870, 1876, 1879,
1882, 1898, 1903, 1905, 1906, 1910, 1914, 1915, 1920.
---------------------------------------------------------------------------
Version 2.4.0, March 1, 2018
Added the Index Checker, which eliminates ArrayIndexOutOfBoundsException.
Added the Optional Checker, which verifies uses of Java 8's Optional class.
Removed the Linear Checker, whose implementation was inconsistent with its
documentation.
Added a @QualifierArgument annotation to be used on pre- and postcondition
annotations created by @PreconditionAnnotation, @PostconditionAnnotation,
and @ConditionalPostconditionAnnotation. This allows qualifiers with
arguments to be used in pre- and postconditions.
Added new type @InternalFormForNonArray to the Signature Checker
Moved annotated libraries from checker/lib/*.jar to the Central Repository:
https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.checkerframework.annotatedlib%22
Moved the Javadoc stub file from checker/lib/javadoc.astub to
checker/resources/javadoc.astub.
Simplified the instructions for running the Checker Framework with Gradle.
The Checker Framework Eclipse plugin is no longer released nor supported.
Closed issues:
65, 66, 100, 108, 175, 184, 190, 194, 209, 239, 260, 270, 274, 293, 302, 303,
306, 321, 325, 341, 356, 360, 361, 371, 383, 385, 391, 397, 398, 410, 423, 424,
431, 430, 432, 548, 1131, 1148, 1213, 1455, 1504, 1642, 1685, 1770, 1796, 1797,
1801, 1809, 1810, 1815, 1817, 1818, 1823, 1831, 1837, 1839, 1850, 1851, 1852,
1861.
---------------------------------------------------------------------------
Version 2.3.2, February 1, 2018
Closed issues:
946, 1133, 1232, 1319, 1625, 1633, 1696, 1709, 1712, 1734, 1738, 1749, 1754,
1760, 1761, 1768, 1769, 1781.
---------------------------------------------------------------------------
Version 2.3.1, January 2, 2018
Closed issues:
1695, 1696, 1697, 1698, 1705, 1708, 1711, 1714, 1715, 1724.
---------------------------------------------------------------------------
Version 2.3.0, December 1, 2017
Removed the deprecated @LazyNonNull type qualifier.
Deprecated most methods in InternalUtils and moved them to either
TreeUtils or TypesUtils. Adapted a few method names and parameter
orders for consistency.
Closed issues:
951, 1356, 1495, 1602, 1605, 1623, 1628, 1636, 1641, 1653, 1655, 1664, 1665,
1681, 1684, 1688, 1690.
---------------------------------------------------------------------------
Version 2.2.2, November 2, 2017
The Interning Checker supports a new annotation, @InternedDistinct, which
indicates that the value is not equals() to any other value.
An annotated version of the Commons IO library appears in checker/lib/ .
Closed issue 1586, which required re-opening issues 293 and 341 until
proper fixes for those are implemented.
Closed issues:
1386, 1389, 1423, 1520, 1529, 1530, 1531, 1546, 1553, 1555, 1565, 1570, 1579,
1580, 1582, 1585, 1586, 1587, 1598, 1609, 1615, 1617.
---------------------------------------------------------------------------
Version 2.2.1, September 29, 2017
Deprecated some methods in AnnotatedTypeMirror and AnnotationUtils, to
be removed after the 2.2.1 release.
The qualifiers and utility classes in checker-qual.jar are compiled to Java 8
byte code. A new jar, checker-qual7.jar, includes the qualifiers and utility
classes compiled to Java 7 byte code.
Closed issues:
724, 1431, 1442, 1459, 1464, 1482, 1496, 1499, 1500, 1506, 1507, 1510, 1512,
1522, 1526, 1528, 1532, 1535, 1542, 1543.
---------------------------------------------------------------------------
Version 2.2.0, September 5, 2017
A Java 8 JVM is required to run the Checker Framework.
You can still typecheck and compile Java 7 (or earlier) code.
With the "-target 7" flag, the resulting .class files still run with JDK 7.
The stub file format has changed to be more similar to regular Java syntax.
Most notably, receiver annotations are written using standard Java 8 syntax
(a special first formal paramter named "this") and inner classes are written
using standard Java syntax (rather than at the top level using a name that
contains "$". You need to update your stub files to conform to the new syntax.
Closed issues:
220, 293, 297, 341, 375, 407, 536, 571, 798, 867, 1180, 1214, 1218, 1371, 1411,
1427, 1428, 1435, 1438, 1450, 1456, 1460, 1466, 1473, 1474.
---------------------------------------------------------------------------
Version 2.1.14, 3 August 2017
Nullness Checker change to annotated JDK: The type argument to the Class,
Constructor, and Optional classes may now be annotated as @Nullable or
@NonNull. The nullness of the type argument doesn't matter, but this
enables easier integration with generic clients.
Many crashes and false positives associated with uninferred method type
arguments have been correct. By default, uninferred method type arguments,
which can happen with Java 8 style target type contexts, are silently ignored.
Use the option -AconservativeUninferredTypeArguments to see warnings about
method calls where the Checker Framework fails to infer type arguments.
Closed issues:
753, 804, 961, 1032, 1062, 1066, 1098, 1209, 1280, 1316, 1329, 1355, 1365,
1366, 1367, 1377, 1379, 1382, 1384, 1397, 1398, 1399, 1402, 1404, 1406, 1407.
---------------------------------------------------------------------------
Version 2.1.13, 3 July 2017
Verified that the Checker Framework builds from source on Windows Subsystem
for Linux, on Windows 10 Creators Edition.
The manual explains how to configure Android projects that use Android Studio
3.0 and Android Gradle Plugin 3.0.0, which support type annotations.
Closed issues:
146, 1264, 1275, 1290, 1303, 1308, 1310, 1312, 1313, 1315, 1323, 1324, 1331,
1332, 1333, 1334, 1347, 1357, 1372.
---------------------------------------------------------------------------
Version 2.1.12, 1 June 2017
The manual links to Glacier, a class immutability checker.
The stubparser license has been updated. You can now use stubparser under
either the LGPL or the Apache license, whichever you prefer.
Closed issues:
254, 1201, 1229, 1236, 1239, 1240, 1257, 1265, 1270, 1271, 1272, 1274, 1288,
1291, 1299, 1304, 1305.
---------------------------------------------------------------------------
Version 2.1.11, 1 May 2017
The manual contains new FAQ (frequently asked questions) sections about
false positive warnings and about inference for field types.
Closed issues:
989, 1096, 1136, 1228.
---------------------------------------------------------------------------
Version 2.1.10, 3 April 2017
The Constant Value Checker, which performs constant propagation, has been
extended to perform interval analysis -- that is, it determines, for each
expression, a statically-known lower and upper bound. Use the new
@IntRange annotation to express this. Thanks to Jiasen (Jason) Xu for this
feature.
Closed issues:
134, 216, 227, 307, 334, 437, 445, 718, 1044, 1045, 1051, 1052, 1054, 1055,
1059, 1077, 1087, 1102, 1108, 1110, 1111, 1120, 1124, 1127, 1132.
---------------------------------------------------------------------------
Version 2.1.9, 1 March 2017
By default, uninferred method type arguments, which can happen with Java 8
style target type contexts, are silently ignored, removing many false
positives. The new option -AconservativeUninferredTypeArguments can be used to
get the conservative behavior.
Closed issues:
1006, 1011, 1015, 1027, 1035, 1036, 1037, 1039, 1043, 1046, 1049, 1053, 1072,
1084.
---------------------------------------------------------------------------
Version 2.1.8, 20 January 2017
The Checker Framework webpage has moved to https://checkerframework.org/.
Old URLs should redirect to the new one, but please update your links
and let us know if any old links are broken rather than redirecting.
The documentation has been reorganized in the Checker Framework repository.
The manual, tutorial, and webpages now appear under checker-framework/docs/.
Closed issues:
770, 1003, 1012.
---------------------------------------------------------------------------
Version 2.1.7, 3 January 2017
Manual improvements:
* Added a link to jOOQ's SQL checker.
* Documented the `-AprintVerboseGenerics` command-line option.
* Better explanation of relationship between Fake Enum and Subtyping Checkers.
Closed issues:
154, 322, 402, 404, 433, 531, 578, 720, 795, 916, 953, 973, 974, 975, 976,
980, 988, 1000.
---------------------------------------------------------------------------
Version 2.1.6, 1 December 2016
Closed issues:
412, 475.
---------------------------------------------------------------------------
Version 2.1.5, 2 November 2016
The new class org.checkerframework.checker.nullness.Opt provides every
method in Java 8's java.util.Optional class, but written for possibly-null
references rather than for the Optional type. This can shorten code that
manipulates possibly-null references.
In bytecode, type variable upper bounds of type Object may or may not have
been explicitly written. The Checker Framework now assumes they were not
written explicitly in source code and defaults them as implicit upper bounds.
The manual describes how to run a checker within the NetBeans IDE.
The manual describes two approaches to creating a type alias or typedef.
Closed issues:
643, 775, 887, 906, 941.
---------------------------------------------------------------------------
Version 2.1.4, 3 October 2016
Closed issues:
885, 886, 919.
---------------------------------------------------------------------------
Version 2.1.3, 16 September 2016
Closed issues:
122, 488, 495, 580, 618, 647, 713, 764, 818, 872, 893, 894, 901, 902, 903,
905, 913.
---------------------------------------------------------------------------
Version 2.1.2, 1 September 2016
Closed issues:
182, 367, 712, 811, 846, 857, 858, 863, 870, 871, 878, 883, 888.
---------------------------------------------------------------------------
Version 2.1.1, 1 August 2016
The codebase conforms to a consistent coding style, which is enforced by
a git pre-commit hook.
AnnotatedTypeFactory#createSupportedTypeQualifiers() must now return a mutable
list. Checkers that override this method will have to be changed.
Closed issues:
384, 590, 681, 790, 805, 809, 810, 820, 824, 826, 829, 838, 845, 850, 856.
---------------------------------------------------------------------------
Version 2.1.0, 1 July 2016
The new Signedness Checker prevents mixing of unsigned and signed
values and prevents meaningless operations on unsigned values.
The Lock Checker expresses the annotated variable as `<self>`;
previously it used `itself`, which may conflict with an identifier.
Closed issues:
166, 273, 358, 408, 471, 484, 594, 625, 692, 700, 701, 711, 717, 752, 756,
759, 763, 767, 779, 783, 794, 807, 808.
---------------------------------------------------------------------------
Version 2.0.1, 1 June 2016
We renamed method annotateImplicit to addComputedTypeAnnotations. If you
have implemented a checker, you need to change occurrences of
annotateImplicit to addComputedTypeAnnotations.
The Checker Framework (checker.jar) is now placed on the processorpath
during compilation. Previously, it was placed on the classpath. The
qualifiers (checker-qual.jar) remain on the classpath. This change should
reduce conflicts between your code and the Checker Framework. If your code
depends on classes in the Checker Framework, then you should add those
classes to the classpath when you run the compiler.
Closed issues:
171, 250, 291, 523, 577, 672, 680, 688, 689, 690, 691, 695, 696, 698, 702,
704, 705, 706, 707, 720, 721, 723, 728, 736, 738, 740.
---------------------------------------------------------------------------
Version 2.0.0, 2 May 2016
Inference:
* The infer-and-annotate.sh script infers annotations and inserts them in
your source code. This can reduce the burden of writing annotations and
let you get started using a type system more quickly. See the
"Whole-program inference" section in the manual for details.
Type systems:
* The Lock Checker has been replaced by a new implementation that provides
a stronger guarantee. The old Lock Checker prevented two threads from
simultaneously using a given variable, but race conditions were still
possible due to aliases. The new Lock Checker prevents two threads from
simultaneously dereferencing a given value, and thus prevents race
conditions. For details, see the "Lock Checker" chapter in the manual,
which has been rewritten to describe the new semantics.
* The top type qualifier for the Signature String type system has been
renamed from @UnannotatedString to @SignatureUnknown. You shouldn't
ever write this annotation, but if you perform separate compilation (for
instance, if you do type-checking with the Signature String Checker
against a library that is annotated with Signature String annotations),
then you need to re-compile the library.
* The IGJ, OIGJ, and Javari Checkers are no longer distributed with the
Checker Framework. If you wish to use them, install version 1.9.13 of
the Checker Framework. The implementations have been removed because
they were not being maintained. The type systems are valuable, but the
type-checkers should be rewritten from scratch.
Documentation improvements:
* New manual section "Tips for creating a checker" shows how to break down
the implementation of a type system into small, manageable pieces.
* Improved instructions for using Maven and Gradle, including for Android
code.
Tool changes:
* The Checker Framework Live Demo webpage lets you try the Checker
Framework without installing it: http://eisop.uwaterloo.ca/live/
* New command-line arguments -Acfgviz and -Averbosecfg enable better
debugging of the control-flow-graph generation step of type-checking.
* New command-line argument -Ainfer is used by the infer-and-annotate.sh
script that performs type inference.
Closed issues:
69, 86, 199, 299, 329, 421, 428, 557, 564, 573, 579, 665, 668, 669, 670, 671.
---------------------------------------------------------------------------
Version 1.9.13, 1 April 2016
Documentation:
* Clarified Maven documentation about use of annotations in comments.
* Added FAQ about annotating fully-qualified type names.
Closed issues: 438, 572, 579, 607, 624, 631.
---------------------------------------------------------------------------
Version 1.9.12, 1 March 2016
The Checker Framework distribution contains annotated versions
of libraries in directory checker-framework/checker/lib/.
During type-checking, you should put these versions first on your classpath,
to obtain more precise type-checking with fewer false positive warnings.
tools.jar is no longer required to be on the classpath when using
checker-qual.jar
The Signature String Checker supports two new string representations of a
Java type: @InternalForm and @ClassGetSimpleName.
The manual documents how to run a pluggable type-checker in IntelliJ IDEA.
The instructions on how to run a type-checker in Gradle have been updated to
use the artifacts in Maven Central. Examples using the instructions have been
added under checker-framework/docs/examples/GradleExamples/.
Renamed enum DefaultLocation to TypeUseLocation.
Closed issues: 130, 263, 345, 458, 559, 559, 574, 582, 596.
---------------------------------------------------------------------------
Version 1.9.11, 1 February 2016
Renamed and merged -AuseSafeDefaultsForUnannotatedSourceCode and
-AsafeDefaultsForUnannotatedBytecode command-line options to
-AuseDefaultsForUncheckedCode that takes arguments source and bytecode.
For type-system developers:
* The previously deprecated
org.checkerframework.framework.qual.TypeQualifier{s} annotations
were removed.
* Every type system uses the CLIMB-to-top defaulting scheme, unless it
explicitly specifies a different one. Previously a type system needed
to explicitly request CLIMB-to-top, but now it is the default.
Closed issues: 524, 563, 568.
---------------------------------------------------------------------------
Version 1.9.10, 4 January 2016
The Checker Framework distribution files now contain a version number:
for example, checker-framework-1.9.9.zip rather than checker-framework.zip.
The Nullness Checker supports the org.eclipse.jgit.annotations.Nullable and
NonNull annotations.
Buildfiles do less unnecessary recomputation.
Documentation:
* Documented how to initialize circular data structures in the
Initialization type system.
* Linked to David Bürgin's Nullness Checker tutorial at
https://github.com/glts/safer-spring-petclinic/wiki
* Acknowledged more contributors in the manual.
For type-system developers:
* The org.checkerframework.framework.qual.TypeQualifier{s} annotations are
now deprecated. To indicate which annotations a checker supports, see
https://checkerframework.org/manual/#creating-indicating-supported-annotations .
Support for TypeQualifier{s} will be removed in the next release.
* Renamed
org.checkerframework.framework.qual.Default{,Qualifier}ForUnannotatedCode to
DefaultInUncheckedCodeFor and DefaultQualifierInHierarchyInUncheckedCode.
Closed issues: 169, 363, 448, 478, 496, 516, 529.
---------------------------------------------------------------------------
Version 1.9.9, 1 December 2015
Fixed issues: 511, 513, 514, 455, 527.
Removed the javac_maven script and batch file,
which had been previously deprecated.
---------------------------------------------------------------------------
Version 1.9.8, 9 November 2015
Field initialization warnings can now be suppressed for a single field at a
time, by placing @SuppressWarnings("initialization") on the field declaration.
Updated Maven instructions to no longer require a script.
Added an example of how to use the instructions under
docs/examples/MavenExample.
The javac_maven script (and batch file) are deprecated and will be
removed as of December 2015.
Fixed issues: 487, 500, 502.
---------------------------------------------------------------------------
Version 1.9.7, 24 October 2015
Fixed issues: 291, 474.
----------------------------------------------------------------------
Version 1.9.6, 8 October 2015
Fixed issue: 460.
----------------------------------------------------------------------
Version 1.9.5, 1 September 2015
Test Framework Updates:
* The test framework has been refactored to improve extensibility.
* Tests that previously extended ParameterizedCheckerTest or
CheckerTest should extend either CheckerFrameworkTest or nothing.
* If a test used methods that were previously found on
CheckerTest, you may find them in TestUtilities.
Fixed issues: 438, 457, 459.
----------------------------------------------------------------------
Version 1.9.4, 4 August 2015
Documented the notion of a compound checker, which depends on other checkers
and automatically runs them.
Renamed -AuseConservativeDefaultsForUnannotatedSourceCode command-line
option to -AuseSafeDefaultsForUnannotatedSourceCode
Moved the Checker Framework version control repository from Google Code to
GitHub, and from the Mercurial version control system to Git. If you have
cloned the old repository, then discard your old clone and create a new one
using this command:
git clone https://github.com/typetools/checker-framework.git
Fixed issues: 427, 429, 434, 442, 450.
----------------------------------------------------------------------
Version 1.9.3, 1 July 2015
New command-line options:
* -AsafeDefaultsForUnannotatedBytecode causes a checker to use conservative
defaults for .class files that were compiled without running the given
checker. Without this option, type-checking is unsound (that is, there
might be errors at run time even though the checker issues no warnings).
* -AuseConservativeDefaultsForUnannotatedSourceCode uses conservative
annotations for unannotated type uses. Use this when compiling a library in
which some but not all classes are annotated.
Various bug fixes and documentation improvements.
Fixed issues: 436.
----------------------------------------------------------------------
Version 1.9.2, 1 June 2015
Internationalization Format String Checker:
This new type-checker prevents use of incorrect internationalization
format strings.
Fixed issues: 434.
----------------------------------------------------------------------
Version 1.9.1, 1 May 2015
New FAQ entry:
"How does the Checker Framework compare with Eclipse's null analysis?"
----------------------------------------------------------------------
Version 1.9.0, 17 April 2015
Bug fixes for generics, especially type parameters:
* Manual chapter 21 "Generics and polymorphism" has been expanded,
and it gives more information on annotating type parameters.