Release Notes - X10 - Version X10 2.1.1 - HTML format

Sub-task

  • [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-1554] - NullPointerException in inliner
  • [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-1653] - Label not generated in .inc file for label in foreach labelling a foreach
  • [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-1982] - X10DT reformats X10Doc comments incorrectly after Ctrl-c Ctrl-v
  • [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-2020] - Update signature of main method to (args:Array[String](1)):Void
  • [XTENLANG-2021] - X10DT repeatedly reports an error: screen dump attached
  • [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-2218] - x10dt class wizard creates bad main method
  • [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

Improvement

  • [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-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-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-2197] - Improve serialization trace mechanisms

New Feature

Task

  • [XTENLANG-1154] - Confirm Bard's text about 'f instanceof (T)=>U'
  • [XTENLANG-1230] - Put this explanation of place types in lang manual, FAQ, etc.

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