We're happy to announce that X10 and X10DT version 2.1.1 are now available
for download. This release contains a number of bug fixes and improvements
to the code base. For more details, please see the X10 2.1.1 release page
at http://x10-lang.org/X10+2.1.1+Release.
Below is a summary of JIRA issues addressed for the X10 2.1.1
** New Features and Improvements
* [XTENLANG-313] - Specify the X10 grammar and implement it
* [XTENLANG-485] - Use unsigned types where appropriate in XRX
* [XTENLANG-799] - a(i) = b allowed via Settable[S,T], but a(i) += b
isn't.
* [XTENLANG-805] - Update clock semantics and implementation
* [XTENLANG-806] - Clocks: New semantics for interaction between clocks
and finish
* [XTENLANG-908] - Println should be atomic
* [XTENLANG-910] - Gamma and error functions in x10.lang.Math
* [XTENLANG-1008] - CUDA: implement clocks
* [XTENLANG-1027] - X10DT should provide a dialog to "Open Type" by
name
* [XTENLANG-1028] - X10DT should provide an "Open Type in Hierarchy"
dialog
* [XTENLANG-1066] - "Run/debug as X10 Application" is missing for C++
back-end
* [XTENLANG-1068] - Lightweight, multi-node/multi-process
transport/launcher
* [XTENLANG-1195] - raw() method for GrowableRail
* [XTENLANG-1520] - Support block,block distribution
* [XTENLANG-1681] - ClockUseException mystery
* [XTENLANG-1707] - clarify differences between structs and classes
* [XTENLANG-1722] - document soft keywords in language spec
* [XTENLANG-1795] - Does X10 respect cases ?
* [XTENLANG-1798] - ateach in the language description
* [XTENLANG-2041] - Change x10.io.CustomSerialization prototcol to use
distinguished class x10.io.SerialData (instead of Any)
* [XTENLANG-2043] - Java backend support for CustomSerialization
* [XTENLANG-2047] - Compiler should provide default deserialization
constructors if none provided by the user
* [XTENLANG-2057] - Align hashCode function for built-in structs (int,
long, etc) between C++ and Java backend
* [XTENLANG-2063] - Implement serialization trace mechanism in managed
X10
* [XTENLANG-2068] - assert statement should throw something called
AssertionError
* [XTENLANG-2093] - x10c++ should infer MAIN_CLASS from command-line
* [XTENLANG-2096] - Use x10.io.NotSerializableException instead of
java.io.NotSerializableException
* [XTENLANG-2144] - Allow non-builtin structs to satisfy haszero
* [XTENLANG-2145] - Support the "force identifier" construct
* [XTENLANG-2197] - Improve serialization trace mechanisms
** Tasks
* [XTENLANG-1154] - Confirm Bard's text about 'f instanceof (T)=>U'
* [XTENLANG-1230] - Put this explanation of place types in lang manual,
FAQ, etc.
* [XTENLANG-1470] - Check covariant/contravariant generic arguments to
make sure they appear in the right positions
** Bug
* [XTENLANG-203] - Correct implementation of finally blocks in C++
* [XTENLANG-235] - Nested class names have to be mangled in -MAIN_CLASS
* [XTENLANG-266] - Getter methods for properties are a hack
* [XTENLANG-448] - Occasional Error instantiating builder
'org.eclipse.imp.smapifier.SmapieBuilder'
* [XTENLANG-476] - Problem with parsing single line if .. else
* [XTENLANG-531] - Correct implementation of X10 2.0 static
initialization semantics in Java codegen/runtime
* [XTENLANG-602] - Tabbing fails: either it moves to the wrong place or
not at all.
* [XTENLANG-638] - Covariant generics can inherit from contravariant
generics, yeilding a hole in the type system.
* [XTENLANG-639] - Subtyping of generics doesn't work for initializers
(or something)
* [XTENLANG-643] - Can't instanceof to a defined type
* [XTENLANG-660] - toString() cannot be called on all types (and it
doesn't work consistently on all scalars)
* [XTENLANG-685] - 'this' in a type constraint in a property
declaration is not very useful.
* [XTENLANG-686] - 'this' can appear in the type constraint of the
return type of a constructor
* [XTENLANG-687] - 'this' can appear in a type constraint the body of a
ctor, contra spec
* [XTENLANG-688] - 'this' can appear in a type constraint in the body
of a ctor, contra spec.
* [XTENLANG-692] - Spec inconsistent on "def before use"
* [XTENLANG-723] - Common non-ambiguous reference flagged as ambiguous
* [XTENLANG-798] - Dejavalization needed in 13.8
* [XTENLANG-833] - Side effects in guards are not checked
* [XTENLANG-864] - Why is X10 looking for a type here?
* [XTENLANG-868] - Update discussion of distributions to match current
array library APIs
* [XTENLANG-875] - 18.5.1 unclear
* [XTENLANG-931] - Incorrect exceptional behavior of integer division
* [XTENLANG-958] - super.field does not work in C++ backend
* [XTENLANG-1132] - Issue warning when user writes a type for a val
declaration
* [XTENLANG-1137] - Do these distributions exist: arbitrary? Random?
* [XTENLANG-1140] - CompilerPlugin? native?
* [XTENLANG-1177] - Dist variables exist!
* [XTENLANG-1233] - revisit ateach, unique distributions, teams, PLH
* [XTENLANG-1257] - C++ code generator does not find the main() if it
is part of a struct
* [XTENLANG-1297] - Once println becomes atomic, fix the example at the
start of the Clocks chapter
* [XTENLANG-1298] - Need devious test cases of resume
* [XTENLANG-1321] - Insidious constructor issue -- test case needed
* [XTENLANG-1334] - instanceof ValRail[Int{self != 0}] doesn't work.
* [XTENLANG-1432] - Suggestions for cleaning up pages 20 - 27 of the
2.0.4 language ref
* [XTENLANG-1519] - Bug in covariance testing of vars
* [XTENLANG-1530] - Runtime error message "ClassCastException" for
missing method qualifier is misleading
* [XTENLANG-1540] - Int vs. int clarification
* [XTENLANG-1556] - Creating a project with its root directory holding
the source (not the default: src) causes x10c++ backend failure
* [XTENLANG-1594] - Structs and classes are NOT easily interchangeable
* [XTENLANG-1600] - Assign_c.toString() requires thread-local Compiler
ref to be valid?
* [XTENLANG-1670] - Region - Point
* [XTENLANG-1679] - WARNING (should be error, but method annotations in
XRX are wrong)
* [XTENLANG-1684] - Language spec should be consistent with the
compiler and specify static with type defs.
* [XTENLANG-1736] - Chapter 4 should describe struct types
* [XTENLANG-1741] - Neither the language spec nor the X10Doc specifies
behavior on arithmetic overflow
* [XTENLANG-1744] - Rename atomic directory
* [XTENLANG-1745] - Runtime.x10 uses keyword "await"
* [XTENLANG-1746] - Runtime.x10 uses keyword "here"
* [XTENLANG-1747] - keyword next used in XRS
* [XTENLANG-1748] - Runtime.x10 uses the keyword "offer"
* [XTENLANG-1749] - keyword "safe" used in XRX
* [XTENLANG-1877] - x10doc generation fails: change in Scheduler?
* [XTENLANG-1890] - Cannot parse 1.equals(2)
* [XTENLANG-1933] - Static initialization is not implemented correctly
on the Java backend
* [XTENLANG-1945] - Dividing by zero doesn't throw ArithmeticException
* [XTENLANG-1949] - SVN checked out directories are not properly read
by new X10 class wizard
* [XTENLANG-1951] - x10c++ produces non-compiling code when invoking an
overloaded method of the superclass
* [XTENLANG-1952] - Java backend generates invalid code for return
statement of covariant type
* [XTENLANG-1954] - Exception in thread "main"
java.lang.NullPointerException
* [XTENLANG-1956] - Evaluating subclass constraint causes exception in
compiler
* [XTENLANG-1957] - Defining a generic local class causes compiler
crash
* [XTENLANG-1959] - Int + String rejected by compiler
* [XTENLANG-1960] - Custom Serialization crashes x10c
* [XTENLANG-1961] - Java backend ignores x10.io.CustomSerialization if
implemented by a superclass
* [XTENLANG-1963] - Overloading constructors that have a generic type
in the formal type parameters
* [XTENLANG-1968] - Compiler exception on "Cannot get MethodDef before
type-checking settable assign"
* [XTENLANG-1969] - Compiler NPE looking for a method
* [XTENLANG-1970] - NPE in generated Java code (for Array.raw() access
with ULongs?)
* [XTENLANG-1971] - java.lang.IndexOutOfBoundsException in TypeChecker
* [XTENLANG-1972] - Not throw ClassCastException when null is casted to
struct
* [XTENLANG-1973] - Wrong code generation for Java backend for closure
with an at in its body.
* [XTENLANG-1983] - InternalCompilerError: Emitter.getIndex()
* [XTENLANG-1984] - constructor visibility problem
* [XTENLANG-1987] - Bad code generation for inlined private methods
* [XTENLANG-1988] - Remove unnecessary indirection for private method
access from inner class
* [XTENLANG-1991] - primitives need to implement Comparable
* [XTENLANG-1996] - Cannot compile closure call in StatementExp if its
return type isn't void
* [XTENLANG-1997] - java.lang.IndexOutOfBoundsException in
InnerClassRemover
* [XTENLANG-2000] - X10 compiler produces expressions in statement
contexts that the Java compiler will not allow
* [XTENLANG-2005] - Wrong code generation for Rail.apply() in
StatementExp
* [XTENLANG-2006] - Javac (and ecj) fails to capture string literal
* [XTENLANG-2007] - Compiler crash when issuing an Error
* [XTENLANG-2008] - Can't build x10 with inlining turned on
* [XTENLANG-2024] - Can't flatten closure call for C++ backend
* [XTENLANG-2025] - Instantiating nested class inside of a main class
with a generic type causes c++ errors
* [XTENLANG-2028] - property statement in nested class causes compiler
exception
* [XTENLANG-2037] - clarification on PlaceExp
* [XTENLANG-2044] - describe disambiguation rule of methods vs function
fields in spec
* [XTENLANG-2048] - Hangs during static initilazation phase with C++
backend
* [XTENLANG-2049] - Mismatch between generation of bridge calls and
bridge methods in Java backend triggered by inlining
* [XTENLANG-2051] - C++ namespace compiler error
* [XTENLANG-2052] - Do coercions for "new Array[Double][3.1,4]"
* [XTENLANG-2054] - ULong.MAX_VALUE causes C++ backend error
* [XTENLANG-2073] - static DistArray initialization doesn't work
* [XTENLANG-2079] - Exception in thread "main"
java.lang.NullPointerException
* [XTENLANG-2080] - Implementation of Arithmetic interface compiles
with x10c++ and fails with x10c
* [XTENLANG-2082] - Illegal c++ source generated for use of Arithmetic
interface
* [XTENLANG-2085] - private static operators do not compile on the java
backend
* [XTENLANG-2090] - Each place should access separate copy of static
field even places are collocated in a single VM
* [XTENLANG-2091] - X10DT create class wizard has old (Rail) main
method signature
* [XTENLANG-2094] - x10c++: ld duplicate symbol _main
* [XTENLANG-2097] - NullPointerException in RectLayout.toString()
* [XTENLANG-2099] - Comply static initialization in Java backend with
X10 semantics in both single-vm multi-place and multi-vm environments
* [XTENLANG-2100] - Incorrect serialization of repeated struct values
whose static type is an interface
* [XTENLANG-2103] - compilation fails for Array[Boolean] as a function
result
* [XTENLANG-2104] - Static field of interface is compiled to Java
static method and static initializer, which causes Javac error
* [XTENLANG-2105] - clocks are not transferred to another place if "at
(P)" does not immediately follow "async clocked (clocks)"
* [XTENLANG-2107] - What exception should be thrown for "123".charAt
(4)?
* [XTENLANG-2109] - TreeMap compilation : Java backend
* [XTENLANG-2112] - Bad code generation for bridge methods
* [XTENLANG-2120] - Java backend doesn't create the correct default
values in generics of primitive types.
* [XTENLANG-2122] - Invoking a static method via a generic parameter
type bound produces C++ post-compiler errors
* [XTENLANG-2124] - Lost exception when exception crosses an "at
boundary"
* [XTENLANG-2127] - ULong.toString(radix:Int) buggy in managed X10
* [XTENLANG-2129] - Unsigned long division is broken
* [XTENLANG-2131] - Update spec with the latest list of keywords
* [XTENLANG-2138] - WALA option triggers resolution failures for some
methods and constructors with guards
* [XTENLANG-2139] - Inlining a method with a labeled loop causes
post-compilation failure in the C++ backend
* [XTENLANG-2149] - Inconsistent bound checking for interface
* [XTENLANG-2150] - Operator resolution problem for ULong division by
Int
* [XTENLANG-2159] - Seg fault in x10::lang::Lock::unlock (SVN HEAD)
* [XTENLANG-2160] - GlobalRef's don't flatten
* [XTENLANG-2174] - Java backend doesn't create zero value for
user-defined structs
* [XTENLANG-2177] - initial value for Team allReduce is wrong for AND,
MIN, and MAX operations
* [XTENLANG-2178] - Build broken with -NO_CHECKS
* [XTENLANG-2182] - Unreliable propagation of exitcode in x10rt_sockets
runtime
* [XTENLANG-2188] - Multiple generic bounds don't compile in Java
* [XTENLANG-2193] - Toggling block comments leaves extra spaces behind
* [XTENLANG-2195] - Desugaring of ++ loses constraint information,
resulting in missed optimizations
* [XTENLANG-2206] - Java backend: instantiate anonymous class with 2
type parameters
* [XTENLANG-2213] - casting and constrained types
* [XTENLANG-2219] - Inconsistent toString() behavior in
x10.lang.Throwable
* [XTENLANG-2220] - Make "void" a keyword
* [XTENLANG-2222] - Compilation error in processing switch statements
in atomic methods.
* [XTENLANG-2228] - default String() constructor causes c++ compiler
error
* [XTENLANG-2229] - Static initializer to handle static fields of
interface correctly
For the details of JIRA issues fixed in this release, see
http://jira.codehaus.org/browse/XTENLANG/fixforversion/16497
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